Waterproof structure of expansion joint

By using a locking strip and elastic clamping structure, the problem of long installation time in existing waterproof structures is solved, achieving rapid sealing of expansion joints and rainwater drainage.

CN223738763UActive Publication Date: 2025-12-30徐晨
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Patent Information

Application Number
CN202520132902.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2025-12-30
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

Existing waterproof structures take a long time to install at building expansion joints, making rapid assembly difficult.

Method used

The structure employs a locking strip and elastic clamping element. The locking strip is snapped into the groove in the wall, the sealing strip is fixed on both sides of the expansion joint, and the elastic clamping element abuts against the inside of the expansion joint. In conjunction with the guide strip, rainwater is drained out, achieving sealing and positioning fixation.

Benefits of technology

It enables quick installation and effective waterproofing of the sealing strip, prevents it from coming loose or shaking, and increases sealing strength and rainwater drainage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of expansion joint waterproof structures, in particular to an expansion joint waterproof structure which comprises a wall body, an expansion joint is arranged on the wall body, a sealing rubber strip is arranged on the expansion joint, and clamping strips located on the two sides of the expansion joint are fixed to the bottom end of the sealing rubber strip. The sealing rubber strip can be conveniently attached to the clamping grooves in the two sides of the expansion joint through the clamping strips, the expansion joint can be protected and sealed through the sealing rubber strip, the sealing rubber strip is not prone to falling off, the sealing rubber strip is not prone to falling off, the sealing rubber strip is not prone to falling off, and the sealing rubber strip is not prone to falling off. And the other two symmetrical elastic abutting pieces can abut against the inner side of the expansion joint, so that the sealing rubber strip can be limited and fixed, and the sealing rubber strip is prevented from disengaging and shaking.
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Description

TECHNICAL FIELD

[0001] The utility model relates to expansion joint waterproof structure technical field, specifically is a kind of expansion joint waterproof structure. BACKGROUND

[0002] At present, when the roofing building area of building is larger, expansion joint setting work needs to be carried out according to the actual situation of building, expansion joint is a structural joint set at appropriate position along the building or construction joint direction of structure to prevent building component from cracking or damage due to climate temperature change, and construction joint often needs to be set waterproof structure to reduce the possibility of water leakage caused by expansion joint. Among them, the existing waterproof structure has some deficiencies in use, among them, it is inconvenient for rapid assembly work, resulting in long installation time. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a kind of expansion joint waterproof structure to solve the problems raised in the above background.

[0004] The technical scheme of the utility model is: a kind of expansion joint waterproof structure, including wall, the wall is set with expansion joint, the expansion joint is provided with sealing rubber strip, the sealing rubber strip bottom end is fixed with the clamping strip located at the two sides of the expansion joint, the wall is set with the clamping groove of the clamping strip card connection adaptation, the bottom side of the sealing rubber strip is fixed with the elastic abutting member of symmetrical arrangement.

[0005] The effect reached by the above components is that the sealing rubber strip can be conveniently attached to the clamping groove on both sides of the expansion joint by the clamping strip, the expansion joint can be protected and sealed by the sealing rubber strip, and the two symmetrical elastic abutting members can abut against the inner side of the expansion joint, thereby achieving the limiting and fixing of the sealing rubber strip, and avoiding the shaking of the sealing rubber strip.

[0006] Preferably, the bottom end of the elastic abutting member is fixed with a flow guide strip abutting against the inner wall of the expansion joint.

[0007] The effect reached by the above components is that the flow guide strip can increase the abutting area of the elastic abutting member and the inner wall of the expansion joint, and increase the positioning and fixing effect.

[0008] Preferably, the flow guide strip is provided with a flow guide groove extending to the outside of the wall.

[0009] The effect reached by the above components is that the rainwater flowing into the expansion joint can be discharged through the flow guide groove.

[0010] Preferably, the elastic abutting piece comprises a bottom strip fixed at the bottom of the sealing rubber strip, a plurality of equidistantly distributed convex columns are fixed on the bottom strip, a connecting rod fixedly connected with the flow guide strip is sleeved on the convex columns, and a spring is sleeved on the convex columns between the bottom strip and the connecting rod.

[0011] The above components achieve the effect that the connecting rod can be sleeved on the convex columns, and the flow guide strip can be abutted on the inner wall of the expansion joint through cooperation of the spring, so that the positioning work of the sealing rubber strip is realized.

[0012] Preferably, the clamping strip comprises an arc-shaped sheet, end plates abutting against the side walls of the clamping groove are arranged on both sides of the arc-shaped sheet, and extension anchor ends clamped in the sealing rubber strip are fixed at the top ends of the end plates.

[0013] The above components achieve the effect that the arc-shaped sheet can be clamped in the clamping groove of the wall body through cooperation of the end plates, and the sealing strength between the sealing rubber strip and the wall body is further increased.

[0014] The utility model discloses an expansion joint waterproof structure which has the following improvements and advantages compared with the prior art.

[0015] Firstly, the clamping strip can conveniently paste the sealing rubber strip in the clamping groove on both sides of the expansion joint, the sealing rubber strip can protect and seal the expansion joint, and the other two symmetrical elastic abutting pieces can abut against the inner side of the expansion joint, so that the limiting and fixing work of the sealing rubber strip is realized, and the sealing rubber strip is prevented from shaking and separating.

[0016] Secondly, the flow guide strip can increase the abutting area between the elastic abutting piece and the inner wall of the expansion joint, and the positioning and fixing effect is increased, and the rainwater flowing into the expansion joint can be discharged through the flow guide groove. DRAWINGS

[0017] The utility model will be further explained in connection with the drawings and embodiments as follows:

[0018] Fig. 1 It is the assembly structure schematic diagram of the utility model;

[0019] Fig. 2 It is the three-dimensional structure schematic diagram of the utility model;

[0020] Fig. 3 It is the main view structure schematic diagram of the utility model.

[0021] Mark explanation:

[0022] 1, wall; 2, card slot; 3, sealing strip; 4, card strip; 41, end plate; 42, extended anchor end; 43, arc-shaped piece; 5, elastic abutting piece; 51, bottom strip; 52, protruding column; 53, connecting rod; 54, spring; 6, flow guide strip; 7, flow guide groove. DETAILED DESCRIPTION

[0023] The utility model is below detailed explanation, the technical scheme in the embodiment of the utility model is clearly and completely described, obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the scope of the utility model protection.

[0024] The utility model discloses a kind of expansion joint waterproof structures by improvement, and the technical scheme of the utility model is:

[0025] In the embodiment of the utility model, as Figs. 1-3 Illustrated, a kind of expansion joint waterproof structure, including wall 1, wall 1 is set with expansion joint, expansion joint is provided with sealing strip 3, the bottom end of sealing strip 3 is fixed with the card strip 4 located in the two sides of expansion joint, card strip 4 includes arc-shaped piece 43, arc-shaped piece 43 both sides are equipped with the end plate 41 with the side wall of card slot 2 abut, the top of end plate 41 is fixed with the extended anchor end 42 of being clamped in sealing strip 3, arc-shaped piece 43 can cooperate end plate 41 and be clamped in the card slot 2 of wall 1, further increase the sealing strength between sealing strip 3 and wall 1, wall 1 is set with the card slot 2 of being clamped with the card strip 4 and adapting, the bottom side of sealing strip 3 is fixed with the elastic abutting piece 5 of being set symmetrically, the bottom end of elastic abutting piece 5 is fixed with the flow guide strip 6 of being abutted with expansion joint inner wall, by flow guide strip 6 can increase the abutted area of elastic abutting piece 5 and expansion joint inner wall, flow guide groove 7 extending to the outside of wall 1 is set on flow guide strip 6, flow guide groove 7 can export the rainwater of flowing into expansion joint and work, elastic abutting piece 5 includes the bottom strip 51 of being fixed in the bottom of sealing strip 3, a plurality of equidistant distribution's protruding column 52 are fixed on bottom strip 51, connecting rod 53 of being fixedly connected with flow guide strip 6 is sleeved on protruding column 52, spring 54 between bottom strip 51 and connecting rod 53 is sleeved on protruding column 52, by connecting rod 53 can be sleeved on protruding column 52, cooperate spring 54 can make flow guide strip 6 abut on expansion joint inner wall, realize the positioning work purpose of sealing strip 3.

[0026] The working principle of the expansion joint waterproof structure is as follows: the sealing rubber strip 3 can be conveniently attached in the clamping groove 2 on both sides of the expansion joint through the clamping strip 4, the sealing rubber strip 3 can be used for protecting and sealing the expansion joint, the connecting rod 53 can be sleeved on the convex column 52, the flow guide strip 6 can be abutted on the inner wall of the expansion joint by cooperating with the spring 54, thereby the limiting and fixing work of the sealing rubber strip 3 can be realized, the sealing rubber strip 3 is prevented from shaking and separating, the flow guide strip 6 can increase the abutting area of the elastic abutting part 5 and the inner wall of the expansion joint, and the rainwater flowing into the expansion joint can be discharged through the flow guide groove 7.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A waterproof structure of expansion joint, comprising a wall (1), an expansion joint is formed on the wall (1), a sealing rubber strip (3) is arranged on the expansion joint, characterized in that: The sealing rubber strip (3) is fixed with clamping strips (4) on both sides of the expansion joint, the wall (1) is provided with clamping grooves (2) which are adapted to be clamped with the clamping strips (4), and the bottom side of the sealing rubber strip (3) is fixed with symmetrically arranged elastic abutting members (5).

2. The expansion joint waterproof structure according to claim 1, characterized in that: The bottom end of the elastic abutting member (5) is fixed with a flow guide strip (6) which abuts against the inner wall of the expansion joint.

3. The expansion joint waterproof structure according to claim 2, characterized in that: The flow guide strip (6) is provided with a flow guide groove (7) which extends to the outside of the wall (1).

4. The expansion joint waterproof structure according to claim 2, characterized in that: The elastic abutting member (5) comprises a bottom strip (51) which is fixed at the bottom of the sealing rubber strip (3), a plurality of equidistantly distributed convex columns (52) are fixed on the bottom strip (51), a connecting rod (53) which is fixedly connected with the flow guide strip (6) is sleeved on the convex columns (52), and springs (54) are sleeved on the convex columns (52) between the bottom strip (51) and the connecting rod (53).

5. The expansion joint waterproof structure according to claim 1, characterized in that: The clamping strip (4) comprises an arc-shaped sheet (43), end plates (41) which abut against the side walls of the clamping grooves (2) are arranged on both sides of the arc-shaped sheet (43), and the top end of the end plate (41) is fixed with an extended anchor end (42) which is clamped in the sealing rubber strip (3).