CN219261116U - Multilayer waterproof structure of pipe gallery - Google Patents
Multilayer waterproof structure of pipe gallery Download PDFInfo
- Publication number
- CN219261116U CN219261116U CN202320743583.1U CN202320743583U CN219261116U CN 219261116 U CN219261116 U CN 219261116U CN 202320743583 U CN202320743583 U CN 202320743583U CN 219261116 U CN219261116 U CN 219261116U
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- sinking groove
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 67
- 239000010959 steel Substances 0.000 claims abstract description 67
- 238000007789 sealing Methods 0.000 claims abstract description 56
- 239000004588 polyurethane sealant Substances 0.000 claims abstract description 7
- 239000000565 sealant Substances 0.000 claims abstract description 7
- 230000013011 mating Effects 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 40
- 210000001503 joint Anatomy 0.000 claims description 29
- 229920001971 elastomer Polymers 0.000 claims description 17
- 239000007799 cork Substances 0.000 claims description 13
- 150000002825 nitriles Chemical class 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 15
- 239000004567 concrete Substances 0.000 description 12
- 230000008961 swelling Effects 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model relates to a multi-layer waterproof structure of a pipe gallery, and belongs to the technical field of prefabricated pipe gallery assembly. According to the utility model, a water-stop steel plate which is annularly distributed is arranged on the outer side of a pipe gallery of a first section of the prefabricated pipe gallery and a second section of the prefabricated pipe gallery, the first section of the prefabricated pipe gallery is provided with a first sinking groove which is matched with one end of the water-stop steel plate, the second section of the prefabricated pipe gallery is provided with a second sinking groove which is matched with the other end of the water-stop steel plate, the bottom surface of the second sinking groove is closer to the wall surface on the inner side of the pipe gallery than the bottom surface of the first sinking groove, polyurethane sealant and two water-stop steel rings are arranged on the matching surface between the bottom surface of the water-stop steel plate and the bottom surface of the first sinking groove, and water-swelling sealant is arranged in the area between the two water-stop steel rings; the mating surface between the water-stopping steel plate and the bottom surface of the second sinking groove is provided with a olecranon-shaped water-stopping sealing ring, and the bottom surface of the second sinking groove is provided with a backstop bulge at one side of the olecranon-shaped water-stopping sealing ring, which is far away from the second vertical end surface. The utility model is easy to assemble and has better waterproof effect.
Description
Technical Field
The utility model relates to a multi-layer waterproof structure of a pipe gallery, and belongs to the technical field of prefabricated pipe gallery assembly.
Background
The utility tunnel is an underground structure, the waterproof problem must be considered in the design process, prefabricated utility tunnel is assembled by prefabricated fashioned section of jurisdiction and forms, its construction difficulty lies in that the joint structure is comparatively complicated, the reliability of joint is related to the reliability of pipe tunnel overall structure, and the joint position is prefabricated utility tunnel, prefabricated immersed tube tunnel etc. precast concrete structure's weak position, is very sensitive to deformation, is more easily the position that leaks appears, therefore, utility tunnel waterproof should regard the waterproof key of section of jurisdiction seam crossing.
At present, a prefabricated comprehensive pipe gallery duct piece joint generally adopts a rubber sealing gasket as a main waterproof measure, friction force generated between sealing gaskets or between the sealing gaskets and a gasket embedding groove is smaller than water pressure due to opening and dislocation of joints, water leakage occurs, and if water leakage occurs at the joint, the rubber sealing gasket is likely to age, and concrete at the joint is likely to crack and break, corrosion of equipment in the pipe gallery and the like.
The patent document with the bulletin number of CN210315657U discloses a steel bell and spigot joint assembly joint structure for a whole-section prefabricated pipe gallery, which comprises a plurality of prefabricated pipe gallery sections which are connected end to end in sequence, wherein two adjacent prefabricated pipe gallery sections are connected through an assembly joint formed by a concrete spigot of a butt joint end and a concrete spigot, the concrete spigot and the concrete spigot are correspondingly provided with a vertical inner end face, a horizontal inclined face and a vertical outer end face which are matched from inside to outside, an embedded steel plate I is arranged on the surface of the inclined face I of the concrete spigot, the inner surface of the steel plate I is clung to the inclined face I, and one end of the steel plate I is inserted into the concrete spigot for embedded fixation; the second surface of the inclined plane of the concrete faucet is provided with a second embedded steel plate, the inner surface of the second embedded steel plate is tightly attached to the second inclined plane, one end of the second embedded steel plate is inserted into the concrete faucet to be embedded and fixed, the outer surface of the second embedded steel plate is provided with two grooves at intervals along the width direction of the concrete faucet, and the inclined plane seam of the concrete faucet and the concrete faucet is sealed through a rubber sealing ring arranged in the grooves. The sealing mode suitable for working face compression is not suitable for end face compression, and the waterproof function of the sealing mode is mainly borne by a rubber sealing ring at the joint socket inclined plane, so that the waterproof effect is poor.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the utility model provides a piping lane multilayer waterproof construction that easy equipment and water-proof effects are better.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the pipe gallery multi-layer waterproof structure comprises a prefabricated pipe gallery first section and a prefabricated pipe gallery second section which are connected end to end, wherein the butt joint end of the prefabricated pipe gallery first section and the prefabricated pipe gallery second section is provided with a first vertical end face, and the butt joint end of the prefabricated pipe gallery second section and the prefabricated pipe gallery first section is provided with a second vertical end face; a sealing gasket assembly is arranged between the first vertical end face and the second vertical end face, and the first section of the prefabricated pipe gallery and the second section of the prefabricated pipe gallery are connected, locked and fixed on the inner side of the pipe gallery through locking bolts; the first section of the prefabricated pipe gallery and the second section of the prefabricated pipe gallery are provided with water-stop steel plates distributed in an annular mode outside the pipe gallery, the first section of the prefabricated pipe gallery is provided with a first sinking groove matched with one end of the water-stop steel plates, the second section of the prefabricated pipe gallery is provided with a second sinking groove matched with the other end of the water-stop steel plates, the bottom surface of the second sinking groove is closer to the wall surface on the inner side of the pipe gallery than the bottom surface of the first sinking groove, the matching surface between the bottom surface of the water-stop steel plates and the bottom surface of the first sinking groove is provided with polyurethane sealant on the side close to the first vertical end surface, the matching surface between the bottom surface of the water-stop steel plates and the bottom surface of the first sinking groove is provided with two water-stop steel rings on the side close to the side end of the first sinking groove, and the area between the two water-stop steel rings is provided with water-swelling sealant; the mating surface between the bottom surface of stagnant water steel sheet and the bottom surface of second heavy groove is provided with the eagle mouth shape stagnant water sealing washer, and the bottom surface of second heavy groove is provided with the stopping arch in the one side that the eagle mouth shape stagnant water sealing washer kept away from the vertical terminal surface of second.
As a further preferable embodiment of the present utility model: the wall surface of the inner side of the pipe gallery is provided with a first waterproof grouting hole penetrating to the bottom surface of the second sinking groove, and an orifice formed by the first waterproof grouting hole on the bottom surface of the second sinking groove is positioned at one side of the olecranon-shaped water stop sealing ring close to the second vertical end surface; the first waterproof grouting holes are arranged at intervals along the circumference of the pipe gallery, and waterproof layers are arranged on the wall surface of the inner side of the pipe gallery.
As a further preferable embodiment of the present utility model: the wall surface of the inner side of the pipe gallery is provided with a second waterproof grouting hole penetrating to the bottom surface of the second sinking groove, and an orifice formed by the second waterproof grouting hole on the bottom surface of the second sinking groove is positioned at one side of the backstop bulge far away from the olecranon-shaped water stop sealing ring; the second waterproof grouting holes are arranged at intervals along the circumference of the pipe gallery, and waterproof plugs are arranged on the wall surface of the inner side of the pipe gallery.
As a further preferable embodiment of the present utility model: the second waterproof grouting hole is formed by an embedded steel pipe, and a second water stop steel ring in full-welded connection is arranged in the middle of the outer wall of the embedded steel pipe.
As a further preferable embodiment of the present utility model: the sealing gasket assembly between the first vertical end face and the second vertical end face comprises a first waterproof sealing gasket, a nitrile cork rubber gasket and a second waterproof sealing gasket which are sequentially arranged from outside to inside, wherein one side of the nitrile cork rubber gasket is in butt joint with the first vertical end face, the other side of the nitrile cork rubber gasket is in butt joint with the second vertical end face in a plane contact mode, one side of the first waterproof sealing gasket is in butt joint with the first vertical end face, the other side of the first waterproof sealing gasket is in butt joint with the second vertical end face in a tongue-and-groove mode, and one side of the second waterproof sealing gasket is in butt joint with the first vertical end face, and the other side of the second waterproof sealing gasket is in butt joint with the second vertical end face in a tongue-and-groove mode.
The beneficial effects of the utility model are as follows: the first sinking groove of the end face of the first section of the prefabricated pipe gallery and the second sinking groove of the end face of the second section of the prefabricated pipe gallery are designed in a staggered mode (namely the bottom faces of the sinking grooves of the first sinking groove and the second sinking groove are not flush, and the bottom face of the second sinking groove is closer to the inner side wall surface of the pipe gallery compared with the bottom face of the first sinking groove), when the prefabricated pipe gallery is assembled, the first sinking groove of the end face of the first section of the prefabricated pipe gallery and the water-stop steel plate are combined to form a socket structure, the butt joint end of the second section of the prefabricated pipe gallery is provided with an adaptive assembly gap relative to the inner side wall surface of the water-stop steel plate, so that the prefabricated pipe gallery is easy to position and assemble, is gradually meshed under the jacking force of a locking bolt, and the inner side gap of the water-stop steel plate is plugged by means of a preset chick-mouth-shaped water-stop sealing ring, and a good waterproof effect is achieved; the matching surface between the other end of the water stop steel plate and the bottom surface of the first sinking groove is provided with a combined sealing structure of polyurethane sealant, a water stop steel ring and water swelling sealant in advance, so that the waterproof effect can be effectively ensured. In addition, the sealing gasket assembly between the first vertical end face and the second vertical end face comprises a first waterproof sealing gasket, a nitrile cork rubber gasket and a second waterproof sealing gasket which are sequentially arranged from outside to inside, the nitrile cork rubber gasket arranged in the middle plays a role of a gasket, the outer surfaces of the two sides of the first waterproof sealing gasket and the second waterproof sealing gasket are in a tongue-and-groove butt joint mode, along with the increase of external force, the waterproof structure is gradually attached, and the effects of sealing tightly and accurately positioning are achieved. After the front pipe joint and the rear pipe joint are pressed, the inner side gap of the top water stop steel plate can be further sealed through the first waterproof grouting holes. Through the waterproof mud jacking hole cement slip casting of second to the outside parcel that forms of piping lane, reach whole waterproof, further promote waterproof effect. The utility model improves the assembly precision, simultaneously avoids damaging the waterproof structure in the jacking process of the pipe gallery, improves the waterproof effect and has good effect.
Drawings
FIG. 1 is a schematic view of the structure of the present utility model (a longitudinal sectional view along the long axis of the tube lane, only showing the wall surface on one side of the tube lane).
Parts, parts and numbers in the figures: the prefabricated pipe gallery comprises a prefabricated pipe gallery first section 1, a prefabricated pipe gallery second section 2, locking bolts 3, a water stop steel plate 4, polyurethane sealant 5, a water stop steel ring 6, water swelling sealant 7, a olecranon-shaped water stop sealing ring 8, a retaining bulge 9, a pipe gallery inner side 11, a pipe gallery outer side 12, a first waterproof grouting hole 13, a waterproof layer 14, a second waterproof grouting hole 15, a waterproof plug 16, a second water stop steel ring 17, a first waterproof sealing gasket 18, a nitrile cork rubber gasket 19 and a second waterproof sealing gasket 20.
Detailed Description
The utility model will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1, the utility model comprises a prefabricated pipe gallery first section 1 and a prefabricated pipe gallery second section 2 which are connected end to end, wherein the prefabricated pipe gallery first section 1 is provided with a first vertical end surface at the butt joint end with the prefabricated pipe gallery second section 2, and the prefabricated pipe gallery second section 2 is provided with a second vertical end surface at the butt joint end with the prefabricated pipe gallery first section 1; a sealing gasket assembly is arranged between the first vertical end face and the second vertical end face, and the prefabricated pipe gallery first section 1 and the prefabricated pipe gallery second section 2 are connected, locked and fixed on the inner side 11 of the pipe gallery through a locking bolt 3; the prefabricated pipe gallery first section 1 and the prefabricated pipe gallery second section 2 are provided with water-stop steel plates 4 distributed in an annular mode on the outer side 12 of the pipe gallery, the prefabricated pipe gallery first section 1 is provided with a first sinking groove matched with one end of the water-stop steel plates 4, the prefabricated pipe gallery second section 2 is provided with a second sinking groove matched with the other end of the water-stop steel plates 4, the bottom surface of the second sinking groove is closer to the wall surface of the inner side 11 of the pipe gallery than the bottom surface of the first sinking groove (namely, the depth of the second sinking groove in the radial direction of the pipe gallery is deeper), the matching surface between the bottom surface of the water-stop steel plates 4 and the bottom surface of the first sinking groove is provided with polyurethane sealant 5 on the side close to the first vertical end face, the matching surface between the bottom surface of the water-stop steel plates 4 and the bottom surface of the first sinking groove is provided with two water-stop steel rings 6 on the side close to the side end of the first sinking groove, and the area between the two water-stop steel rings 6 is provided with water-expansion sealant 7; the mating surface between the bottom surface of stagnant water steel sheet 4 and the bottom surface of second heavy groove is provided with olecranon-form stagnant water sealing washer 8, and the bottom surface of second heavy groove is provided with the backstop arch 9 in the one side that olecranon-form stagnant water sealing washer 8 kept away from the vertical terminal surface of second. It will be appreciated that the "olecranon-shaped water stop seal ring 8" is a generic term of art and is a generic term for seal ring types, and therefore this limitation is clear. The retaining bulge 9 plays a limiting role on the olecranon-shaped water stop sealing ring 8, so that the olecranon-shaped water stop sealing ring 8 is prevented from deviating from a design position in the jacking process of the pipe gallery. The first sinking groove of the end surface of the first section 1 of the prefabricated pipe gallery and the second sinking groove of the end surface of the second section 2 of the prefabricated pipe gallery are in dislocation design, when the prefabricated pipe gallery is assembled, the first sinking groove of the end surface of the first section 1 of the prefabricated pipe gallery and the water-stop steel plate 4 are combined to form a socket structure, the butt joint end of the second section 2 of the prefabricated pipe gallery is provided with an adaptive assembly gap relative to the inner ring wall surface of the water-stop steel plate 4, the positioning assembly is easy, the locking bolt 3 is gradually meshed under the jacking force, and the inner side gap of the water-stop steel plate 4 is plugged by a preset olecranon-shaped water-stop sealing ring 8, so that a good waterproof effect is achieved; the matching surface between the other end of the water stop steel plate 4 and the bottom surface of the first sinking groove is provided with a combined sealing structure of polyurethane sealant 5, a water stop steel ring 6 and water swelling sealant 7 in advance, and the waterproof effect can be effectively ensured as well. It will be appreciated that the water stop steel ring 6 is of annular configuration, which should be coaxial with the pipe gallery. In this embodiment, the water stop steel ring 6 is preferably circular in cross section and has a diameter of 5mm to 6mm.
Preferably, the wall surface of the inner side 11 of the pipe gallery is provided with a first waterproof grouting hole 13 penetrating to the bottom surface of the second sinking groove, and an orifice formed by the first waterproof grouting hole 13 on the bottom surface of the second sinking groove is positioned at one side of the olecranon-shaped water stop sealing ring 8 close to the second vertical end surface; the first waterproof grouting holes 13 are arranged at intervals along the circumferential direction of the pipe lane, and the first waterproof grouting holes 13 are provided with waterproof layers 14 on the wall surface of the pipe lane inner side 11. After the front pipe joint and the rear pipe joint are pressed, the inner side gap of the top water stop steel plate 4 can be further sealed through the first waterproof grouting holes 13. The waterproof layer 14 is preferably constructed by laying a non-woven fabric and an EVA waterproof board inside the pipe joint.
Preferably, the wall surface of the pipe gallery inner side 11 is provided with a second waterproof grouting hole 15 penetrating to the bottom surface of the second sinking groove, and an orifice formed by the second waterproof grouting hole 15 on the bottom surface of the second sinking groove is positioned at one side of the retaining protrusion 9 away from the olecranon-shaped water stop sealing ring 8; the second waterproof grouting holes 15 are arranged at intervals along the circumferential direction of the pipe lane, and the second waterproof grouting holes 15 are provided with waterproof plugs 16 on the wall surface of the pipe lane inner side 11. The outside of the pipe gallery is coated by cement grouting through the second waterproof grouting holes 15, so that the integral waterproof effect is achieved. In order to further improve the overall waterproof effect, the second waterproof grouting holes 15 are preferably formed by embedded steel pipes, and second water stop steel rings 17 in full-welded connection are arranged in the middle of the outer walls of the embedded steel pipes. It will be appreciated that the second water stop steel ring 17 is of annular configuration and should be coaxial with the corresponding pre-buried steel pipe.
Preferably, the gasket assembly between the first vertical end face and the second vertical end face comprises a first waterproof gasket 18, a nitrile cork rubber gasket 19 and a second waterproof gasket 20 which are sequentially arranged from outside to inside, wherein one side of the nitrile cork rubber gasket 19 is in butt joint with the first vertical end face and the other side of the nitrile cork rubber gasket is in butt joint with the second vertical end face in a plane contact manner, one side of the first waterproof gasket 18 is in butt joint with the first vertical end face and the other side of the first waterproof gasket 18 is in butt joint with the second vertical end face in a tongue-and-groove manner (namely, two sides of the first waterproof gasket 18 are respectively embedded into the first vertical end face and the second vertical end face), and one side of the second waterproof gasket 20 is in butt joint with the first vertical end face and the other side of the second waterproof gasket 20 is in a tongue-and-groove manner (namely, two sides of the second waterproof gasket 20 are respectively embedded into the first vertical end face and the second vertical end face). The butadiene acrylonitrile cork rubber gasket 19 placed in the middle plays the effect of liner, and the both sides surface of first waterproof sealing pad 18, the waterproof sealing gasket 20 of second all is the mode setting of tongue-and-groove butt joint, along with external force increases, and waterproof construction closely pastes gradually, reaches the effect of sealed closely, accurate location.
Claims (5)
1. The utility model provides a piping lane multilayer waterproof construction, includes prefabricated piping lane first section (1) and prefabricated piping lane second section (2) of end to end, prefabricated piping lane first section (1) be provided with first vertical terminal surface with the butt joint end of prefabricated piping lane second section (2), prefabricated piping lane second section (2) be provided with the vertical terminal surface of second with the butt joint end of prefabricated piping lane first section (1); a sealing gasket assembly is arranged between the first vertical end face and the second vertical end face, and the prefabricated pipe gallery first section (1) and the prefabricated pipe gallery second section (2) are connected, locked and fixed on the inner side (11) of the pipe gallery through a locking bolt (3); the method is characterized in that: the prefabricated pipe gallery first section (1) and the prefabricated pipe gallery second section (2) are provided with water-stop steel plates (4) distributed in an annular mode on the outer side (12) of the pipe gallery, the prefabricated pipe gallery first section (1) is provided with a first sinking groove matched with one end of the water-stop steel plates (4), the prefabricated pipe gallery second section (2) is provided with a second sinking groove matched with the other end of the water-stop steel plates (4), the bottom surface of the second sinking groove is closer to the wall surface of the inner side (11) of the pipe gallery than the bottom surface of the first sinking groove, the matching surface between the bottom surface of the water-stop steel plates (4) and the bottom surface of the first sinking groove is provided with polyurethane sealant (5) on the side close to the first vertical end surface, the matching surface between the bottom surface of the water-stop steel plates (4) and the bottom surface of the first sinking groove is provided with two water-stop steel rings (6), and the area between the two water-stop steel rings (6) is provided with water-swelling sealant (7); the mating surface between the bottom surface of stagnant water steel sheet (4) and the bottom surface of second heavy groove is provided with olecranon-form stagnant water sealing washer (8), and the bottom surface of second heavy groove is provided with stopping protruding (9) in one side that olecranon-form stagnant water sealing washer (8) kept away from the vertical terminal surface of second.
2. The piping lane multi-layer waterproof structure of claim 1, wherein: the wall surface of the inner side (11) of the pipe gallery is provided with a first waterproof grouting hole (13) penetrating to the bottom surface of the second sinking groove, and an orifice formed by the first waterproof grouting hole (13) on the bottom surface of the second sinking groove is positioned at one side of the olecranon-shaped water stop sealing ring (8) close to the second vertical end surface; the first waterproof grouting holes (13) are arranged at intervals along the circumferential direction of the pipe gallery, and the waterproof layers (14) are arranged on the wall surface of the inner side (11) of the pipe gallery through the first waterproof grouting holes (13).
3. The piping lane multi-layer waterproof structure of claim 1, wherein: the wall surface of the inner side (11) of the pipe gallery is provided with a second waterproof grouting hole (15) penetrating to the bottom surface of the second sinking groove, and an orifice formed by the second waterproof grouting hole (15) on the bottom surface of the second sinking groove is positioned at one side of the retaining protrusion (9) away from the olecranon-shaped water stop sealing ring (8); the second waterproof grouting holes (15) are arranged at intervals along the circumferential direction of the pipe gallery, and waterproof plugs (16) are arranged on the wall surface of the inner side (11) of the pipe gallery in the second waterproof grouting holes (15).
4. A piping lane multilayer waterproof structure as claimed in claim 3, wherein: the second waterproof grouting hole (15) is formed by an embedded steel pipe, and a second water stop steel ring (17) which is connected in a full-welded mode is arranged in the middle of the outer wall of the embedded steel pipe.
5. The piping lane multi-layer waterproof structure as claimed in any one of claims 1 to 4, wherein: the sealing gasket assembly between the first vertical end face and the second vertical end face comprises a first waterproof sealing gasket (18), a nitrile cork rubber gasket (19) and a second waterproof sealing gasket (20) which are sequentially arranged from outside to inside, one side of the nitrile cork rubber gasket (19) is in butt joint with the first vertical end face and the other side of the nitrile cork rubber gasket is in butt joint with the second vertical end face in a plane contact mode, one side of the first waterproof sealing gasket (18) is in butt joint with the first vertical end face and the other side of the first waterproof sealing gasket is in butt joint with the second vertical end face in a tongue-and-groove mode, and one side of the second waterproof sealing gasket (20) is in butt joint with the first vertical end face and the other side of the second waterproof sealing gasket is in butt joint with the second vertical end face in a tongue-and-groove mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320743583.1U CN219261116U (en) | 2023-04-06 | 2023-04-06 | Multilayer waterproof structure of pipe gallery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320743583.1U CN219261116U (en) | 2023-04-06 | 2023-04-06 | Multilayer waterproof structure of pipe gallery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219261116U true CN219261116U (en) | 2023-06-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320743583.1U Active CN219261116U (en) | 2023-04-06 | 2023-04-06 | Multilayer waterproof structure of pipe gallery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219261116U (en) |
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2023
- 2023-04-06 CN CN202320743583.1U patent/CN219261116U/en active Active
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