CN207919342U

CN207919342U - A kind of waterstop and expansion gap device

Info

Publication number: CN207919342U
Application number: CN201820177908.3U
Authority: CN
Inventors: 刘强; 李西清
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-02-01
Filing date: 2018-02-01
Publication date: 2018-09-28
Anticipated expiration: 2028-02-01

Abstract

The utility model is related to a kind of waterstop and expansion gap devices.Expansion gap device includes the expansion joint component of both sides, and waterstop is connected between the expansion joint component of both sides, and waterstop includes with body and being located at the rubber strip with body both sides, and the band body includes tissue layer, and waterproof coating is coated on the upside of tissue layer.The waterstop of the utility model includes tissue layer with body and the waterproof coating that is coated on the upside of tissue layer, play the role of carrying dust, stone and ponding using the high intensity feature of tissue layer, also have the characteristics that relative to traditional pure rubber band body non-aging, with long service life, since cost significantly reduces fabric for the rubber for meeting equal conditions, waterproof coating enables band body to realize waterproof purpose, the combination of waterproof coating and tissue layer, not only of low cost but also intensity is high, long lifespan, is suitable for large range promotion use.

Description

A kind of waterstop and expansion gap device

Technical field

The utility model is related to a kind of waterstop and expansion gap devices.

Background technology

Expansion gap device mainly includes the expansion gap device of bridge expansion joint installation and 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 freely to stretch in both directions parallel, perpendicular to bridge axes, and structure answers jail Gu reliable, vehicle should smooth out when running over, 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 centre of the rubber strip of circular tube shaped with body and both ends, rubber strip has deformation hole in order to the radial deformation of rubber strip, band Body and rubber strip are an integral molding structure, and material is rubber, since the bearing capacity of rubber is limited, the rubber of belt body portion Layer thickness cannot be too thin, and integrally formed waterstop needs to use a large amount of rubber, and cost is very high and bearing capacity is limited, Er Qiechang It is easy aging after time use and situations such as leak occurs.

Utility model content

The purpose of this utility model is to provide waterstops a kind of of low cost and high intensity；The purpose of this utility model It also resides in and a kind of expansion gap device of the waterstop equipped with the utility model is provided.

To achieve the above object, the expansion gap device of the utility model uses following scheme：

Scheme 1：Expansion gap device includes the expansion joint component of both sides, and sealing is connected between the expansion joint component of both sides Band, waterstop include with body and being located at the rubber strip with body both sides, and the band body includes tissue layer, are coated on the upside of tissue layer anti- Water coating.

Advantageous effect：The waterstop of the utility model includes that tissue layer and the waterproof being coated on the upside of tissue layer apply with body Layer plays the role of carrying dust, stone and ponding using the high intensity feature of tissue layer, also relative to traditional pure rubber band body Have the characteristics that it is non-aging, with long service life, since cost significantly drops fabric for the rubber for meeting equal conditions Low, waterproof coating enables band body to realize that waterproof purpose, the combination of waterproof coating and tissue layer are not only of low cost but also strong Degree height, long lifespan, are suitable for large range promotion use.

Scheme 2：Further make following improvement on the basis of scheme 1, lower waterproof coating is coated on the downside of the tissue layer. Water resistance can further be promoted.

Scheme 3：Further make following improvement on the basis of scheme 1 or 2, the material of the tissue layer is canvas.

Scheme 4：Further make following improvement on the basis of scheme 1 or 2, the material of the tissue layer is looped fabric or shuttle Woven fabric or mesh grid.

Scheme 5：Further make following improvement on the basis of scheme 1 or 2, the upside of the waterstop is equipped with for that will stretch The dust-proof layer of the gap plugging of contracting seam.

The waterstop of the utility model uses following scheme：

Scheme 1：Waterstop includes with body and positioned at the rubber strip with body both sides, and the band body includes tissue layer, tissue layer Upside is coated with waterproof coating.

Scheme 2：Further make following improvement on the basis of scheme 1, lower waterproof coating is coated on the downside of the tissue layer.

Description of the drawings

Fig. 1 is the structural schematic diagram and water-swellable sealing of the specific embodiment 1 of the expansion gap device of the utility model Status diagram before item expansion；

Fig. 2 is the status diagram after water expandable waterstop expansion；

Fig. 3 is the cross section structure schematic diagram of the elastomer layer in Fig. 1；

Fig. 4 is the cross section structure schematic diagram of the elastomer layer in embodiment 2；

Fig. 5 is the cross section structure schematic diagram of the elastomer layer in embodiment 3；

In Fig. 1-3：The expansion joints 1- component, 11- waterstop mounting grooves, the projecting end of 12- side bars, 2- waterstops, 21- bands Body, 22- water expandable waterstops, 3- elastomer layers, 31- deform ripple, the convex variant parts of 311-, the recessed variant parts of 312-, 4- collets Part；

In Fig. 4：3- elastomer layers, 32- zigzag variant parts；

In Fig. 5：3- elastomer layers, the harder variant parts of 33-, the soft variant parts of 34-.

Specific implementation mode

The embodiment of the utility model is described further below in conjunction with the accompanying drawings.

The specific embodiment 1 of the expansion gap device of the utility model：As shown in Figure 1, expansion gap device includes being located at both sides Expansion joint component 1, the gap at expansion joint is formed between expansion joint component 1, expansion joint component 1 is respectively relative to two beam-ends or beam It is fixed between end and abutment, to realize that freely stretching on directions parallel, perpendicular to bridge axes, concrete structure are existing Technology repeats no more.The side wall of the opposite side of expansion joint component 1 is equipped with the waterstop peace extended along bridge width direction Tankage 11, waterstop mounting groove 11 are the C-channel with closing-in structure, and inner space is big, opening is small, and in bridge width direction Through expansion joint component 1.

Expansion gap device further includes waterstop 2, and waterstop 2 includes soft with 21 part of body and along the width with body 21 The cylindrical water expandable waterstop 22 that the both sides in direction are connect with body 21, water expandable waterstop 22 are solid construction, The present embodiment is circular cross section, and solid construction makes water expandable waterstop that can only radially become to the direction of enlarged diameter Shape, to which more effective jam-packed is on the cell wall of waterstop mounting groove, the contact with bigger so that have preferably close Seal effect.Water expandable waterstop 22 is pacified from the side of expansion joint component 1 from the opening of waterstop mounting groove 11 along waterstop The length direction of tankage 11 slides into waterstop mounting groove 11, and the cross sectional dimensions of waterstop mounting groove 11 is more than water-swellable The sectional dimension of sealing rod 22, penetrates during water expandable waterstop 22 that there is only the frictional resistance of very little so that penetrates Process is very laborsaving, conveniently, and water expandable waterstop 22 is putty type sealing rod or product type sealing rod, with water-swellable Effect, deflection can reach 2-3 times.Water expandable waterstop 22 can closely fill up waterstop mounting groove 11 after expanding, and wrap Including the local dent on cell wall can also fill up together, the water expandable waterstop 22 of expansion and the cell wall of waterstop mounting groove 11 it Between have prodigious contact so that fitted closely between water expandable waterstop 22 and the cell wall of waterstop mounting groove 11, 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 oozing 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 equipped with elastomer layer 3, and elastomer positioned at the lower section of the telescopic end of side bar 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, to facilitate vehicle 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 more than for thickness Elastic rubber with 21 thickness of body is made, and the both 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；As shown in figure 3, deformation ripple 31 includes being located at wave crest and the convex variant part 311 and concave change of wave trough position Shape portion 312, when elastomer layer is squeezed along bridge length direction, the deformation ripples of both sides is towards 31 up and down both directions Deformation, convex variant part 311 and recessed variant part 312 are only capable of clamping during squeezing or elongating a small amount of dust or the small stone of grain size Son, and slightly larger stone of grain size etc. then by frame at the top of the convex variant part 311 and convex variant part on, be easy to be cleaned Fall, will not be clamped by elastomer layer, and the theme part of elastomer layer still keeps horizontal, can avoid concave deformation and clamps stone Son, glass fragment etc..The elastic force of elastomer layer 3 ensures that it is substantially at horizontality, the deformation along bridge length direction By the deformation of self-deformation and deformation ripple 31, elastomer layer 3 can carry the weight of the dust fallen on and gravel etc., really It protects dust and gravel etc. to will not fall on the waterstop of lower section, therefore can prevent the pocket portion of waterstop from dust obstruction, gravel occur Situations such as stuck, 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 the cleaning of dust and gravel etc..The collet part 4 of bar shaped, collet part 4 and side bar are additionally provided on the side wall of expansion joint component For filling in elastomer layer 3 between projecting end 12, the distance between collet part 4 and side bar are slightly less than the thickness of elastomer layer, stretch The width in the gap between contracting seam component is also slightly less than the width of elastomer layer so that elastomer layer can in width direction and up and down Direction has pretightning force.

When in use：In the installation process of waterstop, by the water expandable waterstop 22 of waterstop directly from expansion joint The side of component 1 is inserted into waterstop mounting groove 11, 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, it is made to be located in above-below direction between the projecting end 12 and collet part 4 of side bar and in the length direction of bridge It is upper to be located between the side wall of both sides expansion joint component, it is realized by the elastic force of elastomer layer 3 itself and narrow installation space 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 that elastomer layer 3 can carry dust and gravel while fall into the sealing of lower layer 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 traveling, 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 larger contact 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 flow of sealing rod 22 is flowed along the bottom of V-arrangement pocket to the both 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；Since waterstop is with the combination that body 21 is fabric and waterproof coating, relative to traditional rubber Integrally formed waterstop has the advantages that at low cost, bearing strength is high and non-aging.

Embodiment 2：As shown in figure 4, difference from example 1 is that, the deformation ripple of elastomer layer 3 is also replaceable Deformation-compensated ability for zigzag variant part 32, zigzag variant part 32 is stronger.

Embodiment 3：As shown in figure 5, difference from example 1 is that, the upper and lower surface of elastomer layer 3 can also It is generally flush with, at this time by the way that spaced apart harder variant part 33 and soft is arranged on the surface layer of the upper and lower both sides of elastomer layer 3 Variant part 34, the material dead-soft of soft variant part 34, such as sponge material, can play and fill up the recess portion of harder variant part 33 To prevent the effect that thin footpath stone or dust are accumulated in the groove of harder variant part 33, simultaneously as its material is soft, will not hinder Hinder the deformation of harder variant part 34, harder variant part that the materials such as rubber can be selected.

In other embodiments：Can variant part only be set in the upside of elastomer layer, while will be set on the downside of elastomer layer It is set to the preferable material of elasticity；Also can variant part only be set in the downside of elastomer layer, although its deformation-compensated ability is not so good as two Variant part is all arranged in side, but also curved under avoidable elastomer layer, solves the problems, such as curved under elastomer layer and clamps stone；Band body It can be three layers, centre is tissue layer, and both sides are waterproof layer；Waterproof coating also can be replaced rubber waterproof layer or plastics waterproofing layer Deng；The material of tissue layer also can be replaced non-woven fabrics either looped fabric or woven fabric or other textile materials；Band body also may be used Traditional rubber belt body is replaced with, and is connect with water expandable waterstop.

Stopping in each embodiment of the specific embodiment of the utility model waterstop and the expansion gap device of the utility model Each embodiment of water band is identical, repeats no more.

Claims

1. expansion gap device includes the expansion joint component of both sides, waterstop, waterstop is connected between the expansion joint component of both sides Include with body and being located at the rubber strip with body both sides, characterized in that the band body includes tissue layer, is coated on the upside of tissue layer anti- Water coating.

2. expansion gap device according to claim 1, characterized in that be coated with lower waterproof coating on the downside of the tissue layer.

3. expansion gap device according to claim 1 or 2, characterized in that the material of the tissue layer is canvas.

4. expansion gap device according to claim 1 or 2, characterized in that the material of the tissue layer is looped fabric or shuttle Woven fabric or mesh grid.

5. expansion gap device according to claim 1 or 2, characterized in that the upside of the waterstop is equipped with for that will stretch The dust-proof layer of the gap plugging of contracting seam.

6. waterstop includes with body and positioned at the rubber strip with body both sides, characterized in that the band body includes tissue layer, fabric Layer upside is coated with waterproof coating.

7. waterstop according to claim 6, characterized in that be coated with lower waterproof coating on the downside of the tissue layer.

8. the waterstop described according to claim 6 or 7, characterized in that the material of the tissue layer is canvas.

9. the waterstop described according to claim 6 or 7, characterized in that the material of the tissue layer is looped fabric or woven fabric Or mesh grid.