CN209742923U - Waterproof sealing strip for tunnel - Google Patents
Waterproof sealing strip for tunnel Download PDFInfo
- Publication number
- CN209742923U CN209742923U CN201920254035.6U CN201920254035U CN209742923U CN 209742923 U CN209742923 U CN 209742923U CN 201920254035 U CN201920254035 U CN 201920254035U CN 209742923 U CN209742923 U CN 209742923U
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- sealing strip
- tunnel
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- sealing
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Abstract
The utility model relates to a waterproof sealing strip for tunnel in the sealing strip field for shield, which comprises a first sealing strip and a second sealing strip, and is characterized in that the first sealing strip is a rubber sealing strip, the second sealing strip is a water-swelling sealing strip, the cross-sectional shapes of the first sealing strip and the second sealing strip are bilaterally symmetrical along a vertical central plane, the first sealing strip is provided with two parallel upper grooves along the length direction, the two parallel upper grooves are symmetrically arranged along the vertical central plane, the back side of the upper surface is provided with a lower surface in parallel, the lower surface is provided with a lower groove, the lower groove is internally provided with the second sealing strip in a matching way, the lower surface of the second sealing strip is flush with the lower surface of the first sealing strip, the cross-sectional shape of the second sealing strip is a prolate hexagon, the cross section of the hexagon is provided with an upper edge and, the lower edge of the sealing strip I is flush with the lower surface of the sealing strip I, and convex ribs are symmetrically arranged on two sides of the sealing strip I in the length direction.
Description
Technical Field
The utility model relates to a shield constructs with sealing strip field, in particular to waterproof sealing strip for tunnel.
Background
In the shield structure, water-proof sealing strip is essential seal part, inlay during installation and use and inlay in other structures, the sealing strip plays basic sealed effect under the non-water-meeting circumstances, need have certain infiltration sealing capacity when meeting the percolating water, the rubber sealing strip of simplex structure and the sealed and leak protection water performance of meeting water inflation sealing strip all have certain not enough, sealing performance after ordinary rubber sealing strip installation is fixed is unchangeable basically, it is sealed easy inefficacy under the circumstances of meeting the infiltration and having certain water pressure, and the hardness of the sealing strip of meeting water inflation rubber of exclusive use is relatively poor, under the non-water-meeting circumstances, sealed effect is not good.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a sealing capacity and the equal lasting long-term composite construction's for tunnel waterproof sealing strip of waterproof capacity to in the inside seal structure in adaptation tunnel.
The utility model aims at realizing the waterproof sealing strip for the tunnel, which comprises a first sealing strip and a second sealing strip, wherein the first sealing strip is a rubber sealing strip, the second sealing strip is a water-swelling sealing strip, the cross-sectional shapes of the first sealing strip and the second sealing strip are bilaterally symmetrical along a vertical central plane, the first sealing strip is provided with two parallel upper grooves along the length direction, the two parallel upper grooves are symmetrically arranged along the vertical central plane, the back side of the upper surface is provided with a lower surface in parallel, the lower surface is provided with a lower groove, the second sealing strip is arranged in the lower groove in a matching way, the lower surface of the second sealing strip is level with the lower surface of the first sealing strip, the cross-sectional shape of the second sealing strip is a flat hexagon, the cross-sectional shape of the hexagon is provided with an upper edge and a lower edge which are parallel with each other, the upper edge is, and convex ribs are symmetrically arranged on two sides of the length direction of the sealing strip.
The utility model discloses a waterproof sealing strip is used in the tunnel, the twice recess of upper surface is used for installing and form sealed the position of clamping with other seal structure cooperations, each side that the bead of lower surface and both sides corresponds and tunnel in-line complex recess extrusion fit installation, the inner wall in sealing strip one and two lower surfaces of sealing strip and tunnel, normal condition is leaned on two recesses of a sealing strip upside and clamps the position sealing cooperation down, each face in the sealing strip outside and lower surface realize sealed the clamping with the cooperation recess of tunnel wall, when permeating into in sealing strip two under the water pressure effect when meeting water in tunnel one side, sealing strip two meet water size inflation, sealing strip two inseparabler with the contact of sealing strip one and tunnel wall like this, make sealing strip overall structure's sealing pressure increase, effective separation is along tunnel wall to the opposite side infiltration. Therefore, the utility model discloses a composite construction's waterproof sealing strip for tunnel can realize the normal seal installation of shield spare and waterproof sealing's demand in the tunnel, and sealing performance is reliable, only needs during the sealing strip installation to imbed in the recess that the tunnel fit set up, and the bead structure of a sealing strip both sides can make things convenient for the sealing strip to put into the draw-in groove once certain extrusion, realizes installing fast.
In order to facilitate the extrusion installation and the sealing attachment of the sealing strip, a plurality of deformation adaptive holes are formed in the first sealing strip along the length direction.
Furthermore, the convex ribs are formed by two outer side faces forming an obtuse angle, and the convex ribs on the two sides are symmetrically arranged along a vertical central plane.
In order to further facilitate the clamping of the first sealing strip and the matching groove of the tunnel wall, the outer side surface of the lower side of the convex edge is an inner concave surface.
Drawings
Fig. 1 is the utility model discloses a waterproof sealing strip's for tunnel structural schematic.
Fig. 2 is the utility model discloses a waterproof sealing strip's for tunnel user state schematic diagram.
Wherein, 1, a first sealing strip; 101, arranging a groove; 102 ribs; 103 deformation-accommodating holes; 2, sealing strips II; 3 a tunnel wall; 4 shield member.
Detailed Description
As shown in figures 1 and 2, the waterproof sealing strip for the tunnel of the utility model comprises a first sealing strip 1 and a second sealing strip 3, the first sealing strip 1 is a rubber sealing strip, the second sealing strip 2 is a water-swelling sealing strip, the cross-sectional shapes of the first sealing strip 1 and the second sealing strip 2 are bilaterally symmetrical along a vertical central plane, the first sealing strip 1 is provided with two parallel upper grooves 101 along the length direction upper surface, the two parallel upper grooves 101 are symmetrically arranged along the vertical central plane, the upper grooves 101 are used for being matched and installed with an installation structure arranged on a shield member 4 in the tunnel, the matching surface of the grooves forms a sealing matching surface after installation, the back side of the upper surface is provided with a lower surface in parallel, the lower surface is provided with a lower groove, the second sealing strip 2 is matched and installed in the lower groove, the lower surface of the second sealing strip 2 is level with the lower surface of the first sealing strip 1, the hexagon cross-section is equipped with the higher authority and the lower authority that are parallel to each other, and the higher authority inlays in sealing strip one, and the lower authority is parallel and level with the lower surface of sealing strip one, and sealing strip 1 length direction's bilateral symmetry is equipped with the bead 102 of evagination. The lower surface of the first sealing strip 1, the convex rib 102 and the structure on the lower side of the convex rib are matched and arranged in a groove arranged in the tunnel wall 3, so that a sealing part is formed at the contact part of the first sealing strip 1 and the groove in the tunnel wall 3, and the sealing part is also a clamping part of the sealing strip and the tunnel wall 3.
In the embodiment, in order to facilitate extrusion installation and sealing attachment of the sealing strip, a plurality of deformation adaptive holes 103 are formed in the first sealing strip 1 along the length direction so as to facilitate adaptive deformation of the sealing strip during installation; the convex rib 103 on one outer side of the sealing strip is composed of two outer side faces forming an obtuse angle, the convex ribs 103 on the two sides are symmetrically arranged along a vertical central plane, and when the convex rib part is matched and clamped with a groove in the tunnel wall, the convex rib 102 and the sealing strip on the lower side of the convex rib 102 are clamped into the groove through certain extrusion deformation. The mounting is convenient and quick, the sealing strip is suitable for being sequentially clamped in the grooves in the length direction, the sealing strip I1 and the tunnel wall 3 are matched with the grooves conveniently, and the outer side face of the lower side of the convex edge 102 is an inner concave face.
In the structure of the waterproof sealing strip for the tunnel, two grooves 101 on the upper surface are used for being matched and installed with a 4-tight connection part of the shield component and forming a sealing clamping part, the lower surface and each side surface corresponding to the convex edges 102 on the two sides are arranged in a pressing fit manner with the grooves matched in the tunnel, the lower surfaces of the sealing strip I1 and the sealing strip II 2 are matched with the tunnel wall 3 in a sealing manner by two grooves on the upper side of the sealing strip I1 under a normal state, and the outer side of the sealing strip I1 and each matching groove of the lower surface and the tunnel wall 3 realize the sealing clamping, when permeating the sealing strip two 2 under the water pressure effect when meeting water in tunnel one side, sealing strip two 2 meets water size inflation, and sealing strip two is inseparabler with the contact of sealing strip one and tunnel wall like this, makes sealing strip overall structure's sealing pressure increase, and effective separation is along tunnel wall to the opposite side infiltration. Therefore, the utility model discloses a composite construction's waterproof sealing strip for tunnel can realize the normal seal installation of shield spare and waterproof sealing's demand in the tunnel, and sealing performance is reliable, only needs during the sealing strip installation to imbed in the recess that the tunnel fit set up, and the bead structure of a sealing strip both sides can make things convenient for the sealing strip to put into the draw-in groove once certain extrusion, realizes installing fast.
Claims (4)
1. A waterproof sealing strip for a tunnel comprises a first sealing strip and a second sealing strip, and is characterized in that the first sealing strip is a rubber sealing strip, the second sealing strip is a water-swelling sealing strip, the cross-sectional shapes of the first sealing strip and the second sealing strip are bilaterally symmetrical along a vertical central plane, the first sealing strip is provided with two parallel upper grooves along the upper surface of the length direction, the two parallel upper grooves are symmetrically arranged along the central plane of the vertical direction, the back side of the upper surface is provided with a lower surface in parallel, the lower surface is provided with a lower groove in which the second sealing strip is arranged in a matched manner, the lower surface of the second sealing strip is flush with the lower surface of the first sealing strip, the cross-sectional shape of the second sealing strip is a prolate hexagon, the cross section of the hexagon is provided with an upper edge and a lower edge which are parallel to each, and convex ribs are symmetrically arranged on two sides of the length direction of the sealing strip.
2. The waterproof sealing strip for tunnels according to claim 1, wherein a plurality of deformation adapting holes are formed in the interior of the sealing strip along the length direction.
3. The weather strip according to claim 1, wherein the rib is formed of two outer sides forming an obtuse angle, and the ribs are symmetrically arranged along a vertical central plane.
4. The waterproof sealing strip for tunnels according to claim 3, wherein the outer side surface of the lower side of the rib is an inner concave surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920254035.6U CN209742923U (en) | 2019-02-28 | 2019-02-28 | Waterproof sealing strip for tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920254035.6U CN209742923U (en) | 2019-02-28 | 2019-02-28 | Waterproof sealing strip for tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209742923U true CN209742923U (en) | 2019-12-06 |
Family
ID=68709008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920254035.6U Active CN209742923U (en) | 2019-02-28 | 2019-02-28 | Waterproof sealing strip for tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209742923U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720543A (en) * | 2020-06-12 | 2020-09-29 | 天津大学 | Compound elasticity rubber seal structure |
-
2019
- 2019-02-28 CN CN201920254035.6U patent/CN209742923U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720543A (en) * | 2020-06-12 | 2020-09-29 | 天津大学 | Compound elasticity rubber seal structure |
| CN111720543B (en) * | 2020-06-12 | 2024-04-26 | 天津大学 | Composite elastic rubber sealing ring structure |
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