COVER FOR PREVENTING BACKFLOW APPARATUS FOR PREVENTING BACKFLOW HAVING SAME
Of the present invention in the embodiment are having the same cover and for preventing backflow check device relates to search, more specifically multi-function number can be used to traffic for an assembly finger expansion joint - back flow prevention cover and a non-return device having the same are disclosed. The tunnel is generally slab construction which, tunnel to drain out water tunnel tunnel slab in tunnel safety substrate. In the case of tunnel water penetrates into the tunnel is the ground road tunnel external influx possibility be easy to, the water does not flow out of the ground slab tunnel water drain tunnel to etc. is attached. However multi-function number is used as needed in the case of tunnel traffic and road tunnel - time of peace multivalent number tunnel be used, when the floating ground water flowing in the water tunnel by quantities used as disapproval. In this case structure buoyancy, hydraulic action, force the pin is ground disturbances can be door number point. The present invention refers to said door such as number points to solve various door number points provided, multi-function number that can be used for ion exchange traffic - tunnel having the same cover and for preventing backflow check device intended for a the number. Example number is however and generally, the range of the present invention is defined in which are not correct. One aspect of the present invention according to, and inner cover, said inner cover and said inner cover has a size corresponding to the periphery between the hollow so that there is connected to communicate with the external hollow having outer coverings to decrease to through-holes having the, ball number encoded cover for preventing backflow. The other side with said hinged cover for preventing backflow, opposite side of said central axis of said buoyancy are radially about said outer cover can be located. Said plurality be a buoyancy. Said outer cover units further includes air holes communicating with external to exhaust worker can be. The, air exhaust worker about said central axis of said outer cover is positioned at a side and, about said central axis of said buoyancy outer cover the other side of the can. In particular, said hinged cover for preventing backflow with the other side, said air exhaust worker are radially positioned about a central axis of the one side said outer cover, said outer cover opposite said one side are radially positioned about a central axis of said buoyancy can be. And said air exhaust worker be a plurality. On the other hand, the radius of curvature of said radius of curvature of the inner cover and said outer cover may be less than disclosed. In one aspect of the present invention in another, and the center frame having an opening, said frame by hinge into a shielding said opening with a lid which can or opening, said cover, when said opening has a size corresponding to said shielding frame contact inner cover and, between said inner cover and said inner cover has a size corresponding to outer periphery of a hollow so that there is connected to communicate with the external hollow to decrease through-holes having a having outer coverings, ball check device number is encoded. Said opposite side of said hinge are radially positioned about a central axis of said outer cover buoyancy can be. Shielding said opening when said cover, said outer cover opposite said opening about a central axis of the hinge and located outside said ends of said outer cover, said cover opening when said buoyancy can be located on the outside of said shielding said opening. Said plurality be a buoyancy. Said outer cover units further includes air holes communicating with external to exhaust worker can be. The, air exhaust worker about said central axis of said outer cover is positioned at a side and, about said central axis of said buoyancy outer cover the other side of the can. In particular, said air exhaust worker are radially positioned about said hinge toward said central axis of the outer cover, said outer cover opposite said hinge are radially positioned about a central axis of said buoyancy can be. Said air exhaust worker be a plurality. Said corresponding to openings has an opening, said opening when said cover is situated on said inner cover and said contact a shielding frame, packing can be further. Or, said corresponding to openings has an opening, said opening in said cover when said cover is situated on said shielding frame contact, packing can be further. Radius of curvature of the radius of curvature of said inner cover and said outer cover may be less than disclosed. Another aspect of the aforementioned addition, feature, advantage embodiment of the invention hereinafter for specific content, will clear from the claims and drawing. In the embodiment of the present invention according to one made as said, multi-function number that can be used for ion exchange traffic - tunnel having the same cover and for preventing backflow can be implementing a back flow prevention device. This effect of the present invention as well as by time is are not correct. Figure 1 shows a cross section of one of the present invention equipped with a non-return device in the embodiment according to also determine the tunnel cross-section shown are disclosed. Figure 2 shows a A coarse cross-sectional drawing of Figure 1 shown enlarged portion are disclosed. Figure 3 shows a non-return device of the present invention also shown cross section of Figure 2 B portion including one in the embodiment according to coarse are disclosed. Figure 4 shows a non-return device so determine the cross-sectional drawing of Figure 3 is used as shown are disclosed. Figure 5 shows a non-return device is to determine cross-sectional drawing of Figure 3 compression state as shown are disclosed. Figure 6 shows a non-return device so determine the cross-sectional drawing of Figure 3 is used as shown are disclosed. Figure 7 shows a cross-section of the present invention as shown in the embodiment according to another to determine backflow prevention device also are disclosed. Figure 8 shows a non-return device so determine the cross-sectional drawing of Figure 7 is used as shown are disclosed. The present invention refers to conversion may have various in the embodiment can apply various bar, in the embodiment example are specific detailed description and drawing the broadcast receiver. The effect of the invention and features, achieving the drawing method in the embodiment and an electronic component connected to the reference surface with specifically carry activitycopyright will. In the embodiment in the present invention refers to hereinafter however are limited to rather than the disclosure can be implemented in various forms. Hereinafter, with reference to the attached drawing of the present invention in the embodiment for which is a detailed, with reference to the drawing described when determining the same components or corresponding local impart the drawing code description dispensed the on-sensors other. In the embodiment of layer in a hereinafter, film, region, other components such as plate components when it "on", "directly on" as well as any other components when interposed therebetween when other components comprises a unit. In addition to drawing or a reduced and apparatus for facilitating descriptions in near the components can be. For example, size and thickness of each configuration exhibited drawing representing a virtual path identifier arbitrarily for facilitating the descriptor, not limited to the present invention are not necessarily shown. Figure 1 shows a cross section of one of the present invention also non-return device is mounted as shown in the embodiment according to tunnel and determine the cross-sectional drawing, Figure 2 shows a A coarse enlarged cross-section portion of Figure 1 shown are disclosed. 1 Rock blasting work is also shown in the tunnel is formed by (1) to a shotcrete-called shotcrete layer poured method (2), by a mold shotcrete layer (2) and a lining block minimize steel-concrete layer (3), lined concrete layer (3) and shotcrete layer (2) shotcrete layer between (2) lining through a concrete layer (3) on the lower left side corresponding crystallized water tunnel inducing waterproof sheet (4) having a predetermined wavelength. This tunnel is lateral drain pipe (5), transverse drain pipe (6), longitudinal drain pipe (7), cavity opening (8) and (9) including like slab and the supporting cylindrical portion. Lateral drain pipe (5) is shotcrete layer (2) is lined with a concrete layer (3) are connected between the left tunnel holed tube longitudinal direction, waterproof sheet (4) ride the side water flow pipe (5) through various lateral drain pipe (5) into a substrate. Transverse drain pipe (6) is one of the both ends thereof is defined between the drain pipe (5) connected to the other longitudinal drain pipe (7) is connected thereto. Through transverse drain pipe (6) is defined between the drain pipe (5) enters longitudinal water drain pipe (7) transporting the substrate. Longitudinal drain pipe (7) are arranged along the longitudinal direction for the left and right bottom of each tunnel is tunnel, water ingress of bridges are erected on the floor tunnel can be structure. Cavity opening (8) is arranged at a longitudinal direction lower side tunnel tunnel is left walls, lining a concrete layer (3) the surface of the resultant structure can be water to enter a structure. The cavity opening (8) for purifying the water transported to a separate facility to, cavity opening (8) is purged by a cleaning facility receiving grating-coupled with each other. (9) is comprised of a perforated tube of aggregate and is installed on the floor of a tunnel, tunnel on the bottom side of the drainage water rises and n is an integer. In the embodiment according to the backflow prevention device includes a transverse drain pipe (6) and vertical drain pipe (7) can be installed between. In the embodiment according to one of the present invention about the backflow prevention device of Figure 2 B portion determine the cross-sectional drawing as shown in reference 3 also including through a browser substrate. Such as shown in fig. 3, in the embodiment according to the backflow prevention device includes a transverse drain pipe (6) and vertical drain pipe (7) connected portions can be provided. Specifically, in the embodiment according to the backflow prevention device includes a transverse drain pipe (6) longitudinal drain pipe (7) can be understood to the groove direction. This non-return device includes a frame (10) and a cover (20) having, frame (10) and a cover (20) a hinge (30) interconnected with each other. I.e., cover (20) a hinge (30) rotatably by frame (10) secured to. Frame (10) includes a central opening (10a) arranged in generally ring shape. The frame (10) opening (10a) includes a transverse drain pipe (6) corresponding to openings of can. I.e., frame (10) and has a drain pipe (6) can be mounted. To this end frame (10) also shown in at least a portion of 3 such as transverse drain pipe (6) can be inserted into, the volt needed by fastening means such as transverse drain pipe (6) can be fixed. Cover (20) includes a frame (10) rotated hinge (30) surrounds a plate secured to, the frame (10) opening (10a) for shielding the open can. Cover (20) inner cover (21) and an outer cover (22) contact with each other. Inner lid (21) the cover (20) frame (10) opening (10a) when a heat shield plate has a size corresponding to frame (10) to contact subjected to substrate. Outer cover (22) inner cover (21) is connected thereto. Specifically, outer cover (22) and the inner cover (21) so that there is a hollow (HS) between outer cover (22) has a size corresponding to inner lid (21) on outer circumferences of the connected thereto. The, outer cover (22) is hollow (HS) communicating with the outside to prevention worker to decrease through-holes (22a) has. The cover (20) modulated send, outer cover (22) and the inner cover (21) each may have a concave shape. For example outer cover (22) and the inner cover (21) may have a portion of each of the shape of the cavity (hollow sphere). The outer cover (22) the radius of curvature of the inner lid (21) to less than a radius of curvature of, inner lid (21) and an outer cover (22) so that there is a hollow between (HS) can be. In addition carry this configuration enables the tunnel when utilized by the device of number such as tunnel cover (20) can be effectively to resist while preventing the reverse flow. Figure 4 shows a non-return device so determine the cross-sectional drawing of Figure 3 is used as shown are disclosed. When tunnel of Figure 4 as if to be used as a road tunnel, transverse drain pipe (6) and vertical drain pipe (7) etc. shows such as the drainage system operation. As also shown in 4, lateral drain pipe (5) to the collection in transverse drain pipe (6) water (W) is the mobile device, to the frame by weight (checker) (10) opening (10a) and which cover (20) side and by water (W) to the frame (10) opening (10a) is implemented on the base. The waterproof sheet (4) water flow the other lateral drain pipe (5) via a transverse drain pipe (6) after moving through, longitudinal drain pipe (7) movable substrate. If used as a tunnel if tunnel number, cover (20) is shown by its weight also 3 such as frame (10) opening (10a) which allows water passing through tunnels by shielding transverse drain pipe (6) has both in servicing the. A pseudo-term use by the axial compression is if backflow prevention device, the coarse 3 also shown as shown with cover (20) is by its weight frame (10) opening (10a) which does not shielding, 5 such as also shown in frame (10) opening (10a) can be part of an open state. In such condition the tunnel using a tunnel number, tunnels which allows water passing through longitudinal drain pipe (7) via transverse drain pipe (6) supported by the bobbin, buoyancy structure, hydraulic action, causes like door number can be ground disturbances. However the backflow prevention device in the embodiment according to fig. 5 is shown in a variety of compression reduces such as frame (10) opening (10a) part of cover (20) even in the state not shielded by, number tunnel tunnel used to automatically cover (20) frame (10) opening (10a) can substantially completely to occlude. Water is transported through a tunnel is a tunnel on the bottom tunnel tunnel is used and water exists, the bridges are erected on the floor tunnel can be water ingress having longitudinal drain pipe (7) is equal to even in that the dissolved iron. In the embodiment according to the backflow prevention device as in the case of the aforementioned outer cover (22) is hollow to decrease through-holes communicating with the outside (HS) prevention worker (22a) wherein having, a longitudinal drain tunnel tunnel process by the number (7) water (W) exists in the, 6 such as water (W) is also shown in prevention worker buoyancy (22a) an internal cover (21) and an outer cover (22) is equal to fill at least a portion of between hollow (HS). The lower end of the hollow (HS) (HS) as well as from water in the hollow for filling, cover (20) of the lower part of weight increasing iron substrate. Initially the 5 such as also shown in frame (10) opening (10a) part of cover (20) not been shielded by even if, at the time of water tunnel can be used as an, hollow (HS) as well as the lower end of the hollow (HS) from water in the fill cover is closed (20) of the lower part of weight ratio effect are symmetrically 6 such as shown in cover (20) frame (10) opening (10a) effectively shielded substrate. Number which is used as a tunnel to a space in a water tunnel after more presence of the longitudinal drain pipe (7) and (W) exists even in more quantity of water, the air-filled majority transverse drain pipe (6) and water are filled longitudinal drain pipe (7) between the cover (20) includes a frame by water (10) is firmly attached to the more transverse drain pipe (6) to effectively servicing the backflow occurs. The outer cover such as the aforementioned (22) and the inner cover (21) each has a concave shape. The cover (20) resulting in a large amount of water present outside even if, cover (20) can be effectively for durability and high pressure. On the other hand, longitudinal drain pipe (7) on an (W) when the amount of the hydraulic pump is activated in order to quickly, prevention worker buoyancy (22a) includes an outer cover (22) about a central axis of the hinge (30) lying radially opposite needs to have disclosed. I.e., cover (20) includes a top located hinge (30) to the frame by (10) joined to the top of the alcohol, prevention worker buoyancy (22a) includes an outer cover (22) about a central axis of the hinge (30) lying radially opposite the lower needs to have disclosed. Number tunnel tunnel process by the longitudinal drain pipe (7) water (W) exists in the, 6 such as water (W) is also shown in prevention worker buoyancy (22a) an internal cover (21) and an outer cover (22) is equal to fill at least a portion of between hollow (HS). The transverse drain pipe (6) into water (W) from being moved in order to minimize, longitudinal drain pipe (7) in the presence of water (W) water (W) shown in auditory canal 6 begin initial buoyancy such as prevention worker (22a) an internal cover (21) and an outer cover (22) between the hollow (HS) required to fill at least a portion of calcium sulfoaluminate. Covering same (20) of the lower part of cover such as also shown in weight ratio effect rapidly as shown in 6 (20) frame (10) opening (10a) when in effectively shielding are disclosed. The prevention worker buoyancy (22a) the outer cover (22) about a central axis of the hinge (30) by lying radially opposite the lower, longitudinal drain pipe (7) in the presence of water (W) water (W) shown in auditory canal 6 begin initial buoyancy such as prevention worker (22a) an internal cover (21) and an outer cover (22) to fill at least a portion of between hollow (HS) can be. On the other hand, water buoyancy prevention worker (22a) an internal cover (21) and an outer cover (22) between the hollow (HS) filling at least a portion of its circumference is destroyed fill needs disclosed. (HS) hollow water smoothly fill the hollow package body (HS) allows air in the hollow (HS) the inner side should can be evacuated. The to this end outer cover (22) is hollow (HS) to holes communicating with outside air exhaust worker (22b) can be further include. In particular, the air exhaust worker (22b) the outer cover (22) is positioned at a side about a central axis of the and, prevention worker buoyancy (22a) includes an outer cover (22) to the other side about a central axis of the can. Specifically, prevention worker buoyancy (22a) includes an outer cover (22) about a central axis of the hinge (30) are radially surrounds a position opposite, air exhaust worker (22b) the outer cover (22) about a central axis of the hinge (30) can be side lying radially. The restorative buoyancy prevention worker (22a) is located at the bottom and air exhaust worker (22b) is placed on, prevention worker lower water buoyancy (22a) an internal cover (21) and an outer cover (22) between the hollow (HS) when flow into upper air exhaust worker (22b) through hollow (HS) allows air in the cover (20) can be smoothly discharged to the outside. Such buoyancy as well as prevention worker (22a) and an air exhaust worker (22b) be a at least one of the plurality. Through prevention worker buoyancy (22a) to inlet or air through hollow (HS) of exhaust worker (22b) through air from hollow (HS) surround the boat can keep track of. On the other hand, 6 such as also shown in cover (20) frame (10) opening (10a) when shield, backflow prevention device (not shown) shield therefor is raised in order to make airtight structure further may be filled. Can include an elastic member such as rubber packing is, frame (10) opening (10a) with an opening corresponding to and, inner lid (21) is situated on cover (20) frame (10) opening (10a) when shield frame (10) [khen it will choose to be. Or, packing is frame (10) is situated on cover (20) frame (10) opening (10a) when shielding cover (20) [khen it will choose to disapproval. Figure 7 shows a non-return device of the present invention and as shown in the embodiment according to another also to determine cross-sectional drawing, Figure 8 shows a non-return device so determine the cross-section of Figure 7 is used as shown are disclosed. In the embodiment according to the backflow prevention device is, as also shown in 7 cover (20) frame (10) opening (10a) when shielding, outer cover (22) about a central axis of the outer cover (22) hinge (30) opposite end frame (10) opening (10a) located outside of the substrate. Prevention worker and buoyancy (22a) cover (20) frame (10) opening (10a) when shield opening (10a) located outside of the substrate. The aforementioned tunnel number such as tunnel process by the longitudinal drain pipe (7) water (W) exists in the, 8 such as water (W) is also shown in prevention worker buoyancy (22a) an internal cover (21) and an outer cover (22) is equal to fill at least a portion of between hollow (HS). The transverse drain pipe (6) into water (W) from being moved in order to minimize further preventing, longitudinal drain pipe (7) in the presence of water (W) (W) shown in auditory canal 8 begin initially water buoyancy such as prevention worker (22a) an internal cover (21) and an outer cover (22) between the hollow (HS) required to fill at least a portion of calcium sulfoaluminate. Covering same (20) of the lower part of weight ratio effect such as rapidly as shown in 7 also shown in cover (20) frame (10) opening (10a) when in effectively shielding are disclosed. The longitudinal drain pipe (7) in the presence of water (W) water (W) in the upper transverse drain pipe (6) before moving into cover (20) frame (10) opening (10a) for to cover, outer cover (22) about a central axis of the outer cover (22) hinge (30) opposite end i.e. outer cover (22) of the frame (10) opening (10a) member to the outside, prevention worker buoyancy (22a) also position of frame (10) opening (10a) so as to correspond to the outside of the can. Longitudinally through the same drain pipe (7) transverse (W) water in the drain pipe (6) before moving into, prevention worker buoyancy (22a) an internal cover (21) and an outer cover (22) between the hollow (HS) to fill at least a portion of the, initially cover (20) frame (10) opening (10a) to shielding can. Until now non-return device is transverse drain pipe (6) longitudinal drain pipe (7) and for the case that meet portions are disclosed but, not the limited to this the present invention. For example heretofore described back flow prevention device includes a transverse drain pipe (6) lateral drain pipe (5) and provided processing on transverse drain pipe (6) water in the lateral drain pipe (5) which is used to prevent a countercurrent the disapproval. In addition longitudinal drain pipe (7) connected to the water collection when longitudinal drain pipe (7) and a water collection well processing on provided, when water in the water collection well to substantially prohibit the flow tunnel tunnel number used as tunnel prevent disapproval. On the other hand, until now is described but backflow prevention device, the present invention herein are limited endured. For example heretofore described with backflow prevention device cover (20) of the present invention also will that of range itself. In the embodiment shown in the present invention refers to drawing the reference only to an exemplary is at a radiates heat and, if the art therefrom in various deformation and equally to the other person with skill in the art will understand that it is in the embodiment. The true range of the present invention defined by the claims appended protection techniques will generated by the range of technical idea. 1: The rock 2: Shotcrete layer 3: Lining a concrete layer 4: Waterproof sheet 5: Lateral drain 6: Transverse drain pipe 7: Longitudinal drain pipe 8: Cavity opening 9: 10: Frame 10A: opening 20: Cover 21: Inner lid 22: Outer cover 22B: air exhaust worker 22A: prevention worker buoyancy 30: Hinge The present invention relates to a cover for preventing backflow and an apparatus for preventing backflow having the same, which can be used for a drainage pipe of a multifunctional watercourse-traffic combined tunnel. The present invention provides a cover for preventing backflow and an apparatus for preventing backflow having the same, comprising: an inner cover; and an outer cover including an outer circumference unit connected to an outer circumference unit of the inner cover to have a hollow between the inner and outer covers, and a penetration hole as a buoyancy preventing hole to have the hollow communicated with the outside. COPYRIGHT KIPO 2018 Inner cover; said inner cover and said inner cover has a size corresponding to and between the outer periphery of hollow so that there is connected, to through-holes having external hollow communicating with decrease , outer cover; having, cover for preventing backflow. According to Claim 1, the other side with said hinged cover for preventing backflow, said opposite side of said center of buoyancy are radially positioned about said outer cover, cover for preventing backflow. According to Claim 1, a plurality of said buoyancy , cover for preventing backflow. According to Claim 1, said outer cover units further including exhaust worker to holes communicating with external air, air cover. According to Claim 4, said air exhaust worker is positioned at a side about said central and outer cover, said outer cover about a central axis of the other side of the buoyancy , cover for preventing backflow. According to Claim 4, with said check valve for preventing cover hinged on one side, said air exhaust worker are radially positioned about a central axis of the one side said outer cover, said outer cover opposite said one side are radially positioned about a central axis of said buoyancy , cover for preventing backflow. According to Claim 4, a plurality of said air exhaust worker, cover for preventing backflow. According to Claim 1, is less than the radius of curvature of said radius of curvature of the inner cover and said outer cover, cover for preventing backflow. The center frame having an opening; and said frame by hinge into a, said opening shielding or opening a lid which can; with, said cover, when said opening has a size corresponding to said shielding frame contact inner cover; said inner cover and said inner cover has a size such that there is between the outer periphery of a connected hollow, to through-holes having external hollow communicating with decrease , outer cover; having, backflow prevention device. According to Claim 9, said opposite side of said hinge are radially positioned about a central axis of said outer cover buoyancy, backflow prevention device. According to Claim 10, shielding said opening when said cover, said outer cover opposite ends located outside said central opening and said of ovter casing about said hinge, said opening positioned on the outside of said opening when said cover shielding said buoyancy , backflow prevention device. According to Claim 9, a plurality of said buoyancy , backflow prevention device. According to Claim 9, said outer cover units further including air holes to communicate with the external exhaust worker, backflow prevention device. According to Claim 13, said air exhaust worker is positioned at a side about said central and outer cover, said outer cover about a central axis of the other side of the buoyancy , backflow prevention device. According to Claim 13, air exhaust worker are radially positioned about said hinge toward said center of said outer cover, said outer cover are radially positioned about a central axis of the opposite side of said hinge buoyancy, backflow prevention device. According to Claim 13, a plurality said air exhaust worker, backflow prevention device. According to Claim 9, said corresponding to openings has an opening, said opening when said cover is situated on said inner cover and said contact a shielding frame, further comprising a packing, back flow prevention device. According to Claim 9, said corresponding to openings has an opening, said opening in said cover when said cover is situated on said shielding contact frame, further comprising a packing, back flow prevention device. According to Claim 9, is less than the radius of curvature of said radius of curvature of the inner cover and said outer cover, back flow prevention device.
