CN208167515U - Waterproof expansion joint device and waterstop - Google Patents
Waterproof expansion joint device and waterstop Download PDFInfo
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- CN208167515U CN208167515U CN201820178828.XU CN201820178828U CN208167515U CN 208167515 U CN208167515 U CN 208167515U CN 201820178828 U CN201820178828 U CN 201820178828U CN 208167515 U CN208167515 U CN 208167515U
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- waterstop
- expansion joint
- waterproof
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- joint device
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Abstract
The utility model relates to waterproof expansion joint device and waterstops.By in the water expandable waterstop that solid cylindrical structure is arranged with body two sides,The Direction distortion that water expandable waterstop becomes larger when water-swellable only towards diameter in the waterstop mounting groove of expansion joint component,To realize that the strength to the cell wall of waterstop mounting groove squeezes,Since water expandable waterstop generally has 2-3 times of deformability,Therefore a very big contact pressure only can be provided for the cell wall of waterstop mounting groove by the hydro-expansive rubber item of very small diameter,Waterstop mounting groove can closely be filled up,It can be also filled including the subtle local dent on cell wall,With excellent waterproof ability,Significantly improve the waterproof performance of waterstop,In addition to this,The problem of elastic fatigue is not present in water expandable waterstop,It therefore will not be over time and the problem of cause sealing performance to decline,Have the characteristics that keep excellent sealing performance for a long time,Significantly improve the service life of waterstop.
Description
Technical field
The utility model relates to waterproof expansion joint device and waterstops.
Background technique
Expansion gap device mainly includes the expansion gap device of bridge expansion joint installation He other ground surface works, bridge expanssion joint
It refers to meet the requirement of bridge floor deformation, usually between two beam-ends, between beam-ends and abutment or the articulated position of bridge
The expansion joint of upper setting, expansion joint needs the free extension in the parallel, both direction perpendicular to bridge axes, and structure answers jail
Gu reliable, vehicle driving it is out-of-date should it is smooth, without kick and noise, needed in expansion joint to prevent rainwater from entering expansion joint lower part
Waterproof construction is set.
Rubber fastening band is generally arranged in existing bridge expanssion joint in the gap of expansion joint, and rubber fastening band includes intermediate
The rubber strip of circular tube shaped with body and both ends, the centre of rubber strip have radial deformation of the deformation hole in order to rubber strip, band
Body and rubber strip are one of the forming structure, and there is the waterstop of closing-in structure to pacify for setting on the two sidewalls for surrounding expansion joint gap
Tankage, waterstop mounting groove are long straight trough, and size is smaller than the size of the rubber strip of waterstop, so that rubber strip fills in waterstop
The rubber strip of elastomeric radial can be fitted close with the cell wall of mounting groove and realize sealing waterproof after mounting groove, in use process
In have the following problems：It is to need by specific purpose tool when rubber strip is installed into mounting groove to fill in rubber strip by force first
In mounting groove, installation process is very complicated laborious；Secondly as the time that expansion joint uses elapses, waterstop mounting groove or more
Or can have abrasion less, and situations such as there are corrosion and ageings, flexibility decrease after rubber strip long-time use, cause rubber strip with
There is gap between the cell wall of mounting groove and drainage occur, waterproof effect is bad.
Utility model content
The purpose of this utility model is to provide a kind of waterstop, with solve existing waterstop rubber strip and deformed steel it
Between poorly sealed, technical problem that waterproof performance is bad；The purpose of this utility model, which also resides in, provides a kind of use above-mentioned sealing
The waterproof expansion joint device of band.
To achieve the above object, the waterproof expansion joint device of the utility model uses following scheme：
Scheme 1：Waterproof expansion joint device includes the expansion joint component of two sides, and waterstop peace is equipped on two expansion joint components
Tankage, waterproof expansion joint device further include waterstop, and waterstop includes with body and being connected to the water-swellable with body two sides and stopping
Water bar, water expandable waterstop are inserted into waterstop mounting groove, and the water expandable waterstop is solid cylindrical structure.
Beneficial effect：The utility model passes through in water-swellable sealing of the waterstop with body two sides setting solid cylindrical structure
Item just expands after meeting water with by mounting groove jam-packed, water expandable waterstop is being stretched so that can be readily intercalated into when the installation of waterstop
The Direction distortion to become larger when water-swellable only towards diameter in the waterstop mounting groove of contracting seam component, to realize to waterstop
The strength of the cell wall of mounting groove squeezes, since water expandable waterstop generally has 2-3 times of deformability, only by very
The hydro-expansive rubber item of minor diameter can provide a very big contact pressure for the cell wall of waterstop mounting groove, can be by sealing
It closely fills up with mounting groove, can be also filled including the subtle local dent on cell wall, there is excellent waterproof ability, significantly mention
The waterproof performance of high waterstop, in addition to this, water expandable waterstop be not present elastic fatigue the problem of, therefore will not with when
Between passage and the problem of cause sealing performance to decline, have the characteristics that keep excellent sealing performance for a long time, significantly improve only
The service life of water band.
Scheme 2：Further make following improvement on the basis of scheme 1, the cross section of the water expandable waterstop is circle
Shape.
Scheme 3：Further make following improvement, the cross section of water expandable waterstop before inflation on the basis of scheme 1
Size is less than the cross sectional dimensions of waterstop mounting groove.The installation of water expandable waterstop can be facilitated.
Scheme 4：Further make on the basis of scheme 1 it is following improve, the band body includes tissue layer and is located at fabric
The waterproof layer of layer upside.
Scheme 5：Further make following improvement on the basis of scheme 4, the material of the tissue layer is canvas.
Scheme 6：Further make following improvement on the basis of scheme 4 or 5, the waterproof layer is waterproof coating.It can be significant
Save cost.
Scheme 7：Further make following improvement on the basis of scheme any one of 1-5, is additionally provided with use above the waterstop
In preventing dust or gravel from falling in the elastomer layer on waterstop.
Scheme 8：Further make following improvement on the basis of scheme 7, expansion joint member upper, which has towards expansion joint, to be stitched
The side bar to overhang at gap, the elastomer layer are close to the lower wall surface setting of the projecting end of side bar.So that expansion joint and elastomer layer
The groove surrounded is shallow as far as possible, can reduce the amount of storage of the sundries such as dust, stone, and a tail wind when also vehicle being facilitated to pass through will stitch
Interior dust is taken out of, and the stone being relatively large in diameter also is enable to leak out the upper surface of side bar, can take it out when the vehicle passes by or
The cleaning of person's work convenient for cleaning.
Scheme 9：Further make to improve as follows on the basis of scheme 8, in the upper and lower two sides of the elastomer layer at least
Side is equipped with for flexible ripple.Ripple makes elastomer layer be easier to deform, and prevents elastomer layer integrally recessed and causes
Stone or glass fragment are clamped by recessed elastomer layer.
Scheme 10：Further make following improvement on the basis of scheme 8 or 9, the elastomer layer passes through natural resiliency
It presses against between the wall surface of expansion joint component of two sides.
Scheme 11：Further make following improvement on the basis of scheme 10, the side wall of the expansion joint component is equipped with bottom
Supporting piece, the elastomer layer are pressed against between the projecting end of side bar and collet part by natural resiliency.So that elastomer layer can be with
Be tightly attached on the projecting end lower wall surface of side bar with minimize elastomer layer to the groove between side bar upper surface depth, simultaneously
Elastomer layer can be prevented recessed.
Scheme 12：Further make following improvement on the basis of scheme 11, the collet part is that width is stitched less than expansion joint
The strip piece of gap width half.
Scheme 13：Further make following improvement on the basis of scheme 8 or 9, the material of the elastomer layer is rubber.
The waterstop of the utility model uses following scheme：
Scheme 1：Waterstop includes with body and being connected to the water expandable waterstop with body two sides, and the water-swellable stops
Water bar is solid cylindrical structure.
Beneficial effect：The utility model is by being changed to solid cylindrical knot with the water expandable waterstop of body two sides for waterstop
Structure, so that water expandable waterstop became larger when water-swellable only towards diameter in the waterstop mounting groove of expansion joint component
Direction distortion squeezes the strength of the cell wall of waterstop mounting groove to realize, since water expandable waterstop generally has 2-3
Deformability again, therefore only one can be provided for the cell wall of waterstop mounting groove by the hydro-expansive rubber item of very small diameter
Waterstop mounting groove can closely be filled up, can be also filled including the subtle local dent on cell wall by a very big contact pressure,
With excellent waterproof ability, the waterproof performance of waterstop is significantly improved, in addition to this, there is no elasticity for water expandable waterstop
The problem of fatigue, therefore will not have over time and the problem of cause sealing performance to decline and keep excellent for a long time
The characteristics of sealing performance, significantly improves the service life of waterstop.
Scheme 2：Further make following improvement on the basis of scheme 1, the water expandable waterstop cross section is circle.
Scheme 3：Further make on the basis of scheme 1 or 2 it is following improve, the band body includes tissue layer and positioned at knitting
Waterproof layer on the upside of nitride layer.
Scheme 4：Further make following improvement on the basis of scheme 3, the material of the tissue layer is canvas.
Scheme 5：Further make following improvement on the basis of scheme 3, the waterproof layer is waterproof coating.
Detailed description of the invention
Fig. 1 is that the specific embodiment structural schematic diagram of the waterproof expansion joint device of the utility model and water-swellable stop
Status diagram before water bar expansion；
Fig. 2 is the status diagram after water expandable waterstop expansion；
In figure：The expansion joint 1- component, 11- waterstop mounting groove, the projecting end of 12- side bar, 2- waterstop, 21- band body,
22- water expandable waterstop, 3- elastomer layer, 31- deform ripple, 4- collet part.
Specific embodiment
The embodiments of the present invention is described further with reference to the accompanying drawing.
The specific embodiment of the waterproof expansion joint device of the utility model：As shown in Figure 1, waterproof expansion joint device includes position
Expansion joint component 1 in two sides, forms the gap at expansion joint between expansion joint component 1, and expansion joint component 1 is respectively relative to two beams
It is fixed between end or beam-ends and abutment, to realize in free extension parallel, on the direction perpendicular to bridge axes, specific structure
For the prior art, repeat no more.The side wall of the opposite side of expansion joint component 1 is equipped with to be stopped along what bridge width direction extended
Water band mounting groove 11, waterstop mounting groove 11 are the C-channel with closing-in structure, and inner space is big, opening is small and wide in bridge
It spends direction and runs through expansion joint component 1.
Waterproof expansion joint device further includes waterstop 2, and waterstop 2 includes soft with 21 part of body and along with body 21
The cylindrical water expandable waterstop 22 that the two sides of width direction are connect with body 21, water expandable waterstop 22 are solid post
Shape structure, the present embodiment are circular cross section, and solid cylindrical structure makes water expandable waterstop radially straight to expanding
The Direction distortion of diameter, so that more effectively jam-packed on the cell wall of waterstop mounting groove, has bigger contact pressure, so that tool
There is better seal effect.Water expandable waterstop 22 is from the side of expansion joint component 1 from the opening of waterstop mounting groove 11
Length direction along waterstop mounting groove 11 slides into waterstop mounting groove 11, and the cross sectional dimensions of waterstop mounting groove 11 is big
In the sectional dimension of water expandable waterstop 22, penetrate during water expandable waterstop 22 that there is only the friction of very little resistances
Power, so that penetrating, process is very laborsaving, conveniently, and water expandable waterstop 22 is putty type sealing rod or product type sealing rod, tool
There is the effect of water-swellable, deflection can reach 2-3 times.Water expandable waterstop 22 can be by waterstop mounting groove 11 after expanding
It closely fills up, can also be filled up together including the local dent on cell wall, the water expandable waterstop 22 and waterstop of expansion are installed
There is very big contact pressure between the cell wall of slot 11 so that the cell wall of water expandable waterstop 22 and waterstop mounting groove 11 it
Between fit closely, realize good sealed waterproof effect.
The band body 21 of waterstop includes double-layer structure, and lower layer is tissue layer, upper layer is waterproof coating, the fabric of the present embodiment
Layer is canvas material, has very high bearing strength, to carry ponding etc., waterproof coating, which plays, prevents the water on waterstop from seeping
Enter or leak into the purpose below waterstop, the form of the waterstop integrally formed relative to rubber material can high degree section
Cost-saving.
As shown in Figure 1, the top of waterstop and being located at the lower section of telescopic end of side bar and being equipped with elastomer layer 3, and elastomer
Layer is arranged by being tightly attached to the lower wall surface of the projecting end 12 of side bar, so that the groove between elastomer layer 3 and the upper surface of side bar
Depth it is more shallow, so that vehicle be facilitated to take the dust in 3 upper grooves of elastomer layer out of groove by a tail wind, meanwhile, relatively
Cleaning of the shallower groove worker also convenient for cleaning to the sundries such as stone, glass fragment in groove, elastomer layer 3 are greater than for thickness
Elastic rubber with 21 thickness of body is made, and the two sides of elastic rubber are equipped with deformation ripple 31, to improve the deformation energy of elastomer layer 3
Power, while elastomer layer 3 being made not bend downward to form pocketed invagination when being squeezed along bridge length direction, but rely on
Ripple deforms, and when elastomer layer is squeezed along bridge length direction, the deformation ripples of two sides is towards 31 up and down two sides
To deformation, and the theme part of elastomer layer still keeps horizontal, can avoid concave deformation and clamp stone, glass fragment etc..
The elastic force of elastomer layer 3 guarantees that it is substantially at horizontality, along bridge length direction deformation by self-deformation and
The deformation of ripple 31 is deformed, elastomer layer 3 can carry the weight of the dust fallen on and gravel etc., it is ensured that dust and gravel etc.
It will not fall on the waterstop of lower section, therefore can prevent the pocket portion of waterstop from situations such as dust obstruction, gravel is stuck occur, and
Since elastomer layer 3 is located above close to the place of side bar, the sealing at power top expansion joint is closer, can facilitate dust and gravel etc.
Cleaning.It is additionally provided with the collet part 4 of bar shaped on the side wall of expansion joint component, is used between collet part 4 and the projecting end 12 of side bar
Elastomer layer 3 is filled in, the distance between collet part 4 and side bar are slightly less than the thickness of elastomer layer, the seam between the component of expansion joint
The width of gap is also slightly less than the width of elastomer layer, so that elastomer layer can have pretightning force in width direction and up and down direction.
When in use：In the installation process of waterstop, by the water expandable waterstop 22 of waterstop directly from expansion joint
In the side insertion waterstop mounting groove 11 of component 1, since the cross sectional dimensions of water expandable waterstop 22 is pacified less than waterstop
The cross sectional dimensions of tankage 11, therefore it is simple and fast to insert process very Portable power saving, installation process；Elastomer layer 3 is passed through
Strong dress mode is installed, and is located at it in above-below direction between the projecting end of side bar 12 and collet part 4 and in the length direction of bridge
Between the upper side wall for being located at two sides expansion joint component, realized by the elastic force and narrow installation space of elastomer layer 3 itself
The purpose of pretightning force is provided for elastomer layer；Expansion joint is in the length direction or vertical length Direction distortion along bridge, only
Water band and elastomer layer 3 can deform therewith, can be by the bullet above waterstop when dust and gravel are fallen into the gap of expansion joint
Property body layer 3 stop, elastomer layer 3 can carry dust and gravel while the sealing that lower layer is fallen into prevented also from dust and gravel
It takes, dust is saved bit by bit excessively by the pocket portion to prevent waterstop and pocket wraps up in dust and gravel and causes to block stuck when expansion joint deforms
The generation of phenomenon；Simultaneously as a groove is surrounded between elastomer layer 3 and the projecting end 12 of side bar, the meeting such as dust and stone
It falls into the groove, since the groove is than shallower, internal dust can be taken away a part by a tail wind of vehicle driving, simultaneously because
Groove is shallower, can worker's cleaning convenient for cleaning；The waterstop of lower layer is then specifically used to waterproof, when rainwater etc. flows into waterstop first
By water expandable waterstop 22, water expandable waterstop 22 expands after meeting water, and deflection is larger, can be by waterstop mounting groove
11 are stuffed entirely with one biggish contact pressure of cell wall that is full, and can giving waterstop mounting groove 11, so that waterstop mounting groove
Gap between 11 cell wall and water expandable waterstop 22 will not leak, play good waterproof effect；By water-swellable
The water flow of sealing rod 22 is flowed along the bottom of V-arrangement pocket to the two sides of the width direction of bridge after flowing at the V-arrangement pocket with body 21
It is then discharged out bridge, to prevent ponding；What it is due to waterstop is the combination of fabric and waterproof coating with body 21, relative to traditional rubber
Integrally formed waterstop has the advantages that at low cost, bearing strength is high and non-aging.
In other embodiments：Band body can also be three layers, and centre is tissue layer, and two sides are waterproof layer；Waterproof coating can also
Replace with rubber waterproof layer or plastics waterproofing layer etc.；The material of tissue layer also can be replaced non-woven fabrics or looped fabric or shuttle
Woven fabric or other textile materials；Band body also can be replaced traditional rubber belt body, and connect with water expandable waterstop.
Sealing in each embodiment of the specific embodiment of the waterstop of the utility model and above-mentioned waterproof expansion joint device
Each embodiment of band is identical, repeats no more.
Claims (18)
1. waterproof expansion joint device, the expansion joint component including two sides is equipped with waterstop mounting groove on two expansion joint components, prevents
Water expansion gap device further includes waterstop, characterized in that waterstop includes with body and being connected to the water-swellable with body two sides
Sealing rod, water expandable waterstop are inserted into waterstop mounting groove, and the water expandable waterstop is solid cylindrical structure.
2. waterproof expansion joint device according to claim 1, characterized in that the cross section of the water expandable waterstop is
It is round.
3. waterproof expansion joint device according to claim 1, characterized in that water expandable waterstop before inflation transversal
Face size is less than the cross sectional dimensions of waterstop mounting groove.
4. waterproof expansion joint device according to claim 1, characterized in that the band body includes tissue layer and positioned at knitting
Waterproof layer on the upside of nitride layer.
5. waterproof expansion joint device according to claim 4, characterized in that the material of the tissue layer is canvas.
6. waterproof expansion joint device according to claim 4 or 5, characterized in that the waterproof layer is waterproof coating.
7. waterproof expansion joint device described in -5 any one according to claim 1, characterized in that also set above the waterstop
Have for preventing dust or gravel from falling in the elastomer layer on waterstop.
8. waterproof expansion joint device according to claim 7, characterized in that expansion joint member upper has towards expansion joint
The side bar to overhang at gap, the elastomer layer are close to the lower wall surface setting of the projecting end of side bar.
9. waterproof expansion joint device according to claim 8, characterized in that in the upper and lower two sides of the elastomer layer
At least side is equipped with for flexible ripple.
10. waterproof expansion joint device according to claim 8 or claim 9, characterized in that the elastomer layer passes through itself bullet
Property presses against between the wall surface of expansion joint component of two sides.
11. waterproof expansion joint device according to claim 10, characterized in that the side wall of the expansion joint component is equipped with
Collet part, the elastomer layer are pressed against between the projecting end of side bar and collet part by natural resiliency.
12. waterproof expansion joint device according to claim 11, characterized in that the collet part is that width is less than expansion joint
The strip piece of gap width half.
13. waterproof expansion joint device according to claim 8 or claim 9, characterized in that the material of the elastomer layer is rubber
Glue.
14. waterstop, characterized in that including with body and being connected to the water expandable waterstop with body two sides, the chance water is swollen
Swollen sealing rod is solid cylindrical structure.
15. waterstop according to claim 14, characterized in that the water expandable waterstop cross section is circle.
16. waterstop according to claim 14 or 15, characterized in that the band body include tissue layer and be located at fabric
The waterproof layer of layer upside.
17. waterstop according to claim 16, characterized in that the material of the tissue layer is canvas.
18. waterstop according to claim 16, characterized in that the waterproof layer is waterproof coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820178828.XU CN208167515U (en) | 2018-02-01 | 2018-02-01 | Waterproof expansion joint device and waterstop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820178828.XU CN208167515U (en) | 2018-02-01 | 2018-02-01 | Waterproof expansion joint device and waterstop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208167515U true CN208167515U (en) | 2018-11-30 |
Family
ID=64383603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820178828.XU Active CN208167515U (en) | 2018-02-01 | 2018-02-01 | Waterproof expansion joint device and waterstop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208167515U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108179699A (en) * | 2018-02-01 | 2018-06-19 | 刘强 | A kind of waterproof expansion joint device and waterstop |
| CN114135323A (en) * | 2021-11-24 | 2022-03-04 | 盾构及掘进技术国家重点实验室 | Built-in detachable waterstop device |
| CN117488880A (en) * | 2023-11-23 | 2024-02-02 | 中国华西企业股份有限公司 | Large-span linked basement deformation joint seepage-proofing structure |
-
2018
- 2018-02-01 CN CN201820178828.XU patent/CN208167515U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108179699A (en) * | 2018-02-01 | 2018-06-19 | 刘强 | A kind of waterproof expansion joint device and waterstop |
| CN114135323A (en) * | 2021-11-24 | 2022-03-04 | 盾构及掘进技术国家重点实验室 | Built-in detachable waterstop device |
| CN117488880A (en) * | 2023-11-23 | 2024-02-02 | 中国华西企业股份有限公司 | Large-span linked basement deformation joint seepage-proofing structure |
| CN117488880B (en) * | 2023-11-23 | 2024-05-28 | 中国华西企业股份有限公司 | Large-span linked basement deformation joint seepage-proofing structure |
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