CN221256790U - Rubber sealing gasket for shield segment - Google Patents
Rubber sealing gasket for shield segment Download PDFInfo
- Publication number
- CN221256790U CN221256790U CN202322902634.3U CN202322902634U CN221256790U CN 221256790 U CN221256790 U CN 221256790U CN 202322902634 U CN202322902634 U CN 202322902634U CN 221256790 U CN221256790 U CN 221256790U
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- rubber
- sealing gasket
- gasket body
- shield
- hot melt
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- 238000007789 sealing Methods 0.000 title claims abstract description 54
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 11
- 239000010410 layer Substances 0.000 claims description 35
- 239000004831 Hot glue Substances 0.000 claims description 30
- 238000009434 installation Methods 0.000 claims description 12
- 238000010030 laminating Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 10
- 238000001125 extrusion Methods 0.000 abstract description 8
- 238000010276 construction Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Gasket Seals (AREA)
Abstract
The application relates to the field of shield segments, and discloses a rubber sealing gasket for shield segments. The sealing gasket comprises a sealing gasket body, wherein a middle rubber rod is fixedly arranged below an upper mounting groove in the sealing gasket body, two ends of the middle rubber rod are inserted with side support rods, the tail end of one side of the side support rods, which is far away from the middle rubber rod, is adhered with a reinforcing and bonding rubber strip, and the reinforcing and bonding rubber strip is abutted against the inner wall of a pressurizing air bag. In the use of the sealing gasket body afterwards, when the shield segment works, the sealing gasket body is extruded, at the moment, the side support rods inside the sealing gasket body can inwards extrude the middle rubber rod, so that the middle rubber rod and the side support rods shrink, the extrusion degree is buffered, the resistance variable capacity of the sealing gasket body in the whole use process is improved, and the durability and the service life of the sealing gasket body are improved.
Description
Technical Field
The application belongs to the technical field of shield segments, and particularly relates to a rubber sealing gasket for a shield segment.
Background
The shield segment is a main assembly component for shield construction, is an innermost barrier of a tunnel, plays roles of resisting soil layer pressure, underground water pressure and some special loads, is a permanent lining structure of a shield tunnel, and directly relates to the integral quality and safety of the tunnel in terms of shield segment quality, and influences the waterproof performance and durability of the tunnel. The shield segment can use a rubber sealing gasket to increase the sealing performance in the use process.
The utility model discloses a self-adhesion formula shield segment rubber seal pad in the application of publication number CN210105875U, including rubber seal pad body, hot melt adhesive layer and the isolation membranous layer that can uncover, the inner face one side of rubber seal pad body covers the hot melt adhesive layer, cover the isolation membranous layer on the hot melt adhesive layer, cover the hot melt adhesive layer on the inner face one side of rubber seal pad body, cover the isolation membranous layer on the hot melt adhesive layer, during the use, handle the segment concatenation department clean, take off the isolation membranous layer, just can directly bond shield segment rubber seal pad in the concatenation department of segment, simplified the construction process, improved the efficiency of construction greatly, reduced the cost of labor for the construction progress.
However, the rubber gasket in this application lacks support fixing means at both ends of the rubber gasket during use, so that both sides of the rubber gasket are easily deformed when pressed after a long period of use
Disclosure of utility model
The application aims at: in order to solve the problems, a rubber sealing gasket for shield segments is provided.
The technical scheme adopted by the application is as follows: the utility model provides a shield constructs section of jurisdiction and fills up with rubber seal, includes the sealed body that fills up, the inside of sealed body that fills up is located the below fixed mounting of last mounting groove has put the rubber pole, put the both ends grafting of rubber pole in and have the side support pole, and the terminal bonding of one side that put the rubber pole was kept away from to the side support pole has the reinforcement laminating rubber strip, the inner wall at the pressurization gasbag of reinforcement laminating rubber strip butt.
Through adopting above-mentioned technical scheme, at the in-process of installing the sealed pad body, squeeze the inner wall of mounting groove with the side joint strip of sealed pad body both sides, afterwards, tear the release film, bond hot melt adhesive layer and shield segment bottom mounting groove, afterwards can accomplish the installation to sealed pad body, in the sealed pad body use afterwards, when shield segment in-process has produced the extrusion to sealed pad body, the inside side bracing piece of sealed pad body can inwards extrude the rubber pole in putting this moment, thereby make to take place the shrink between well rubber pole and the side bracing piece, thereby cushion the extrusion degree, the resistance capability of sealed pad body in whole use has been improved, the durability and the life of sealed pad body have been increased.
In a preferred embodiment, an upper mounting groove is formed in the top of the sealing gasket body, reinforcing plates are fixedly connected to the inner walls of the two sides of the upper mounting groove, and a hot melt adhesive layer is arranged on the surface of each reinforcing plate.
Through adopting above-mentioned technical scheme to consolidate the installation to the hot melt adhesive layer, increased the fastness of hot melt adhesive layer when using.
In a preferred embodiment, side sealing rubber strips are adhered to the lower sides of the two sides of the outer wall of the sealing gasket body, and the side sealing rubber strips are abutted against the inner wall of the shield segment installation groove.
By adopting the technical scheme, the sealing performance of the sealing gasket body in the use process is further improved.
In a preferred embodiment, a plurality of pressurizing air bags are fixedly arranged in the sealing gasket body below the middle rubber rod.
By adopting the technical scheme, the overall elasticity of the sealing gasket body is increased, and the durability and the sealing performance of the sealing gasket body are improved.
In a preferred embodiment, the surface of the reinforcing plate is provided with concave holes, and two side walls of the hot melt adhesive layer are arranged inside the concave holes.
Through adopting above-mentioned technical scheme, the hot melt adhesive layer solidifies the inside that the back part can imbed the shrinkage pool and be connected to the fastness of shrinkage pool in the use has been increased.
In a preferred embodiment, the outer surface of the hot melt adhesive layer is provided with a release film.
By adopting the technical scheme, the surface of the hot melt adhesive layer is protected conveniently, so that the hot melt adhesive layer keeps better adhesiveness.
In summary, due to the adoption of the technical scheme, the beneficial effects of the application are as follows:
In the application, in the process of installing the sealing gasket body, the side sealing rubber strips at two sides of the sealing gasket body are extruded into the inner wall of the installation groove, then the release film is torn, the hot melt adhesive layer is adhered to the installation groove at the bottom of the shield segment, then the installation of the sealing gasket body can be completed, in the process of using the sealing gasket body, when the shield segment works, the side supporting rods in the sealing gasket body extrude the middle rubber rod inwards, so that the middle rubber rod and the side supporting rods shrink, the extrusion degree is buffered, the resistance change capability of the sealing gasket body in the whole use process is improved, and the durability and the service life of the sealing gasket body are increased.
Drawings
FIG. 1 is a schematic view of a gasket body according to the present application;
FIG. 2 is an enlarged view of the portion A of FIG. 1 in accordance with the present application;
FIG. 3 is a schematic cross-sectional view of the gasket body of the present application.
The marks in the figure: 1. a gasket body; 2. a pressurized air bag; 3. an upper mounting groove; 4. a side sealing rubber strip; 5. a reinforcing plate; 6. concave holes; 7. a hot melt adhesive layer; 8. a release film; 9. a rubber rod is arranged in the middle; 10. a side support bar; 11. and reinforcing and attaching the rubber strip.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions in the embodiments of the present application will be clearly and completely described in the following in conjunction with the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
With reference to figures 1-3 of the drawings,
Examples:
The utility model provides a shield constructs section of jurisdiction and fills up with rubber seal, including sealed pad body 1, the inside of sealed pad body 1 is located the below fixed mounting of last mounting groove 3 has put rubber pole 9, put rubber pole 9's both ends grafting has side bracing piece 10, and the terminal bonding of one side of putting rubber pole 9 is kept away from to side bracing piece 10 has consolidate laminating rubber strip 11, consolidate laminating rubber strip 11 butt at the inner wall of pressurization gasbag 2, the in-process of installing sealed pad body 1, squeeze into the inner wall of mounting groove with the side joint strip 4 of sealed pad body 1 both sides, afterwards, tear from type membrane 8, bond hot melt adhesive layer 7 and shield section of jurisdiction bottom mounting groove, afterwards can accomplish the installation to sealed pad body 1, in the sealed pad body 1 use afterwards, when shield constructs section of jurisdiction working process, when having produced the extrusion to sealed pad body 1, the inside side bracing piece 10 can inwards be put rubber pole 9 to the sealing pad body at this moment, thereby make and take place the shrink between the side bracing piece 10, thereby cushion the extrusion degree, the whole body 1 has been improved and has increased the durability in the whole life-span of life of sealing pad body 1 in the use.
The sealing gasket body 1 of sealing gasket body 1's top has been seted up and has been gone up mounting groove 3, and the both sides inner wall fixedly connected with gusset plate 5 of last mounting groove 3, and the surface of gusset plate 5 is provided with hot melt adhesive layer 7 to consolidate the installation to hot melt adhesive layer 7, increased the fastness of hot melt adhesive layer 7 when using.
The side sealing rubber strips 4 are adhered to the lower portions of the two sides of the outer wall of the sealing gasket body 1, and the side sealing rubber strips 4 are abutted against the inner wall of the shield segment installation groove, so that the sealing performance of the sealing gasket body 1 in the use process is further improved.
The inside of the sealing gasket body 1 is positioned below the middle rubber rod 9 and fixedly provided with a plurality of pressurizing air bags 2, so that the overall elasticity of the sealing gasket body 1 is increased, and the durability and the sealing performance of the sealing gasket body 1 are improved.
Concave holes 6 are formed in the surface of the reinforcing plate 5, two side walls of the hot melt adhesive layer 7 are arranged inside the concave holes 6, and after the hot melt adhesive layer 7 is solidified, a part of the hot melt adhesive layer 7 is embedded into the inside of the concave holes 6 to be connected, so that firmness of the concave holes 6 in the using process is improved.
The release film 8 is arranged on the outer surface of the hot melt adhesive layer 7, so that the surface of the hot melt adhesive layer 7 is protected conveniently, and the hot melt adhesive layer 7 keeps good adhesion.
The implementation principle of the embodiment of the rubber sealing gasket for the shield segment is as follows: during the use, in the in-process of installing to sealed pad body 1, squeeze the inner wall of mounting groove with the side joint strip 4 of sealed pad body 1 both sides, afterwards, tear off release film 8, bond hot melt adhesive layer 7 and shield segment bottom mounting groove, afterwards can accomplish the installation to sealed pad body 1, in the sealed pad body 1 use afterwards, when shield segment work in-process has produced the extrusion to sealed pad body 1, the inside side bracing piece 10 of sealed pad body 1 can inwards extrude to middle rubber pole 9 this moment, thereby make to take place the shrink between middle rubber pole 9 and the side bracing piece 10, thereby cushion to the extrusion degree, the resistance ability of sealed pad body 1 in whole use has been improved, the durability and the life of sealed pad body 1 have been increased.
The above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims (6)
1. The utility model provides a shield constructs section of jurisdiction with rubber seal pad, includes sealed pad body (1), its characterized in that: the inside that is located installation recess (3) of sealed pad body (1) is put rubber pole (9) in fixed mounting in the below, put rubber pole (9) in both ends grafting have side support pole (10), and the terminal bonding of one side that put rubber pole (9) was kept away from to side support pole (10) has consolidate laminating rubber strip (11), consolidate laminating rubber strip (11) butt at the inner wall of pressurization gasbag (2).
2. The rubber gasket for shield segments of claim 1, wherein: the sealing gasket is characterized in that an upper mounting groove (3) is formed in the top of the sealing gasket body (1), reinforcing plates (5) are fixedly connected to the inner walls of the two sides of the upper mounting groove (3), and hot melt adhesive layers (7) are arranged on the surfaces of the reinforcing plates (5).
3. The rubber gasket for shield segments of claim 1, wherein: the side sealing rubber strips (4) are adhered to the lower portions of two sides of the outer wall of the sealing gasket body (1), and the side sealing rubber strips (4) are abutted to the inner wall of the shield segment installation groove.
4. The rubber gasket for shield segments of claim 1, wherein: the inside of the sealing gasket body (1) is positioned below the middle rubber rod (9) and is fixedly provided with a plurality of pressurizing air bags (2).
5. The rubber gasket for shield segments of claim 2, wherein: concave holes (6) are formed in the surface of the reinforcing plate (5), and two side walls of the hot melt adhesive layer (7) are arranged in the concave holes (6).
6. The rubber gasket for shield segments of claim 2, wherein: the external surface of the hot melt adhesive layer (7) is provided with a release film (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322902634.3U CN221256790U (en) | 2023-10-28 | 2023-10-28 | Rubber sealing gasket for shield segment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322902634.3U CN221256790U (en) | 2023-10-28 | 2023-10-28 | Rubber sealing gasket for shield segment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221256790U true CN221256790U (en) | 2024-07-02 |
Family
ID=91630038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322902634.3U Active CN221256790U (en) | 2023-10-28 | 2023-10-28 | Rubber sealing gasket for shield segment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221256790U (en) |
-
2023
- 2023-10-28 CN CN202322902634.3U patent/CN221256790U/en active Active
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