Waterproof structure of expansion joint of building wall

By designing a waterproof structure for building wall expansion joints including multiple components, the existing waterproof structure has been solved, and more efficient waterproofing effect and higher practicality have been achieved.

CN222595190UActive Publication Date: 2025-03-11TAIZHOU POLYTECHNIC COLLEGE
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Patent Information

Application Number
CN202420437473.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-07
Publication Date
2025-03-11
Estimated Expiration
2034-03-07

AI Technical Summary

Technical Problem

The waterproof structure of the expansion joint of existing building walls is not waterproof, has low usage efficiency, and the components are fixed and cannot be detached, making them not practical.

Method used

A waterproof structure for building wall expansion joints including L-shaped slots, pressing plates, first traction assembly, waterproof belt, fixing plate, second traction assembly and waterproof plate is designed. Through the mutual cooperation and disassembly connection of these components, the expansion and contraction of the expansion joints are adapted to improve the waterproof effect and use efficiency.

Benefits of technology

Through the cooperation of the waterproof plate, fixing plate and waterproof belt, the waterproof effect of the expansion and contraction joint is significantly improved, and through the design of the traction component, the waterproof structure can adapt to the expansion and contraction of the expansion and contraction joint, improving the efficiency and practicality of the operation.

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Abstract

The utility model discloses a waterproof structure of a building wall expansion joint in the technical field of expansion joint waterproofing, which comprises two walls and an expansion joint located between the two walls, L-shaped clamping grooves are formed in the surfaces of the top ends of the opposite sides of the two walls, and pressing plates are clamped in the two L-shaped clamping grooves. A first traction assembly is jointly connected between the two pressing plates, the same waterproof belt is connected between the two pressing plates in an abutting mode, the other end of the waterproof belt makes contact with the bottom wall in the L-shaped clamping groove, fixing plates are tightly attached to the surfaces of the top ends of the sides, away from each other, of the two pressing plates, and second traction assemblies are arranged on the two fixing plates. And the surfaces of the top ends of the two fixing plates are provided with the same waterproof plate, the side ends, away from the waterproof plate, of the fixing plates are connected with the wall through a set of first fixing bolts, and the waterproof effect of the expansion joint can be improved through the combined action of the waterproof plates, the fixing plates and the waterproof belts.
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Description

Technical Field

[0001] The utility model relates to the technical field of expansion joint waterproofing, in particular to a waterproof structure of an expansion joint of a building wall. Background Art

[0002] A building expansion joint refers to a structural joint set at an appropriate position along the construction joint direction of a building or structure to adapt to the thermal expansion and contraction needs of the building. The expansion joint divides the building components above the foundation, such as the wall, into two independent parts, so that the building can be horizontally expanded and contracted along the long direction. In order to prevent water seepage from the wall part of the expansion joint during rainy weather, a waterproof structure is usually set at the corresponding position of the expansion joint. The patent publication number is: CN219196329U, which discloses a utility model patent for a waterproof structure of an expansion joint. In this patent, the expansion joint is waterproofed only by the mutual cooperation of a water retaining plate and a drainage plate. The waterproof structure is simple and the waterproof effect needs to be improved. The pulling piece on the water retaining plate and the support pipe and support rod connected to the wall are fixed and cannot be disassembled, which leads to low efficiency and low practicality of the waterproof structure. For this reason, we provide a waterproof structure for an expansion joint of a building wall. Utility Model Content

[0003] The utility model aims to provide a waterproof structure for expansion joints of building walls to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a waterproof structure of a building wall expansion joint, comprising two walls and an expansion joint located between the two walls, the top surfaces of the two walls on the opposite sides are provided with L-shaped grooves, and the two L-shaped grooves are both engaged with pressure plates, a first traction component is commonly connected between the two pressure plates, and a same waterproof belt is abutted between the two pressure plates, the other end of the waterproof belt is in contact with the bottom wall in the L-shaped groove, the top surfaces of the two pressure plates on the sides away from each other are tightly fitted with fixing plates, the two fixing plates are both provided with second traction components, and the top surfaces of the two fixing plates are provided with the same waterproof board, and the side end of the fixing plate away from the waterproof board is connected to the wall through a group of first fixing bolts.

[0005] Furthermore, the first traction assembly includes two fixed cylinders, which are respectively connected to one side end opposite to the two pressure plates, and a pull rod is slidably inserted into the middle surface of the opposite side of the two fixed cylinders. Both left and right ends of the pull rod are connected to slide plates, and the two slide plates are respectively slidably connected to the inside of the two fixed cylinders. A first spring is movably sleeved on the outer surface of the pull rod, and one side end of the two first springs away from each other is respectively connected to one side end opposite to the two slide plates, and one side end of the first spring away from the slide plate is connected to the inner wall of the fixed cylinder, and a fixed assembly is provided on the fixed cylinder.

[0006] Furthermore, the fixing assembly includes a connecting column, which is connected to the middle surface of the fixing tube away from the pull rod, and the other end of the connecting column is slidably connected to the side end of the pressure plate close to the fixing tube, and a connecting groove adapted to the connecting column is provided on the pressure plate, and a second fixing bolt is threadedly connected between the pressure plate, the connecting column, the waterproof belt and the wall.

[0007] Furthermore, the second traction assembly includes a groove, which is opened on the top surface of the fixed plate close to the pressure plate, and a limiting cross bar is provided in the groove, a traction block is slidably sleeved on the middle surface of the outer end of the limiting cross bar, a sliding hole adapted to the limiting cross bar is opened on the traction block, the bottom end of the traction block is movably connected to the bottom wall in the groove, the other side end of the traction block is fixedly connected to the bottom surface of the waterproof board, a second spring is movably sleeved on the outer surface of the limiting cross bar, one side end of the second spring is connected to the traction block, and the other end of the second spring is connected to the inner wall of the groove.

[0008] Furthermore, a plug plate is provided on the bottom surface of the fixing plate close to the pressing plate, the other end of the plug plate is slidably connected with the top surface of the pressing plate, and a slot adapted to the plug plate is provided on the pressing plate.

[0009] Furthermore, a group of four first fixing bolts is provided, and the four first fixing bolts are longitudinally arranged at equal intervals.

[0010] Furthermore, a water guide plate having a right-angled triangle front is provided at one side end of the fixing plate away from the waterproof plate, and the water guide plate and the fixing plate are integrally formed.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. When the waterproof structure of the expansion joint of the building wall is used, the cooperation between the waterproof board and the two fixed plates can provide effective waterproofing for the expansion joint. When the moisture on the waterproof board and the fixed plate enters the interior of the expansion joint, the waterproof tape can block the moisture, thereby providing waterproofing for the expansion joint again. Therefore, through the joint action of the above structures, the waterproofing effect of the expansion joint can be improved.

[0013] 2. When using the waterproof structure of the expansion joint of the building wall, by arranging the first traction component and the second traction component between the waterproof plate and the fixed plate, the waterproof structure can adapt to the expansion and contraction of the expansion joint, and the second traction component and the waterproof belt located in the expansion joint can be detachably connected, thereby improving the use efficiency of the device and further improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the top of the waterproof board of the utility model;

[0016] Figure 3 It is a schematic diagram of the structure of the exterior of the first traction component of the utility model;

[0017] In the figure: 1. wall; 2. expansion joint; 3. L-shaped slot; 4. pressure plate; 5. first traction assembly; 51. fixing tube; 52. pull rod; 53. slide plate; 54. first spring; 55. fixing assembly; 551. connecting column; 552. second fixing bolt; 6. waterproof belt; 7. fixing plate; 8. second traction assembly; 81. groove; 82. limit cross bar; 83. traction block; 84. second spring; 9. waterproof board; 10. first fixing bolt; 11. plug board; 12. water guide plate. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Example 1

[0020] See also Figure 1-2The expansion joint is to divide the building components above the foundation, such as the wall, into two independent parts, so that the building can be expanded and contracted horizontally along the length direction. In order to prevent water seepage in the wall part of the expansion joint during rainy weather, a waterproof structure is usually set at the corresponding position of the expansion joint. The waterproof effect of the waterproof structure set in the utility model patent with the public patent number CN219196329U needs to be improved, and the use efficiency of the waterproof structure is low and the practicality is not high. In order to solve the above problems, we provide a utility model patent for a waterproof structure of a building wall expansion joint, a waterproof structure of a building wall expansion joint, including two walls 1 and an expansion joint 2 located between the two walls 1, and L-shaped card grooves 3 are provided on the top surfaces of the opposite sides of the two walls 1. And there are pressing plates 4 engaged in the two L-shaped slots 3, a first traction component 5 is commonly connected between the two pressing plates 4, and a same waterproof belt 6 is abutted between the two pressing plates 4, the other end of the waterproof belt 6 is in contact with the bottom wall in the L-shaped slot 3, the waterproof belt 6 is a waterstop in the prior art, and the top surfaces of the two pressing plates 4 on the side away from each other are tightly fitted with a fixing plate 7, the two fixing plates 7 are provided with a second traction component 8, and the top surfaces of the two fixing plates 7 are provided with a same waterproof board 9, the side end of the fixing plate 7 away from the waterproof board 9 is connected to the wall 1 by a group of first fixing bolts 10, the front side of the top of the waterproof board 9 is triangular, so that rainwater falling on the waterproof board 9 can slide down quickly, thereby improving the waterproof effect of the waterproof board 9 to a certain extent.

[0021] See also Figure 1 and Figure 3The first traction assembly 5 includes two fixed cylinders 51, which are respectively connected to the opposite side ends of the two pressure plates 4, and the middle surfaces of the opposite sides of the two fixed cylinders 51 are slidably inserted with a pull rod 52. The left and right ends of the pull rod 52 are connected with a slide plate 53. The two slide plates 53 are respectively slidably connected to the inside of the two fixed cylinders 51. The outer surface of the pull rod 52 is movably sleeved with a first spring 54. The side ends of the two first springs 54 that are away from each other are respectively connected to the side ends of the two slide plates 53 that are opposite to each other. The side end of the first spring 54 that is away from the slide plate 53 is connected to the inner wall of the fixed cylinder 51. A fixed assembly 55 is provided on the fixed cylinder 51. The fixed assembly 55 includes a connecting column 551. The connecting column 551 is connected to the middle surface of the fixed cylinder 51 that is away from the pull rod 52. The other end of the connecting column 551 is slidably penetrated and connected with the side end of the pressure plate 4 close to the fixed cylinder 51. A connecting groove adapted to the connecting column 551 is provided, and a second fixing bolt 552 is threadedly penetrated and connected between the pressure plate 4, the connecting column 551, the waterproof belt 6 and the wall 1. By setting the connecting column 551 as the connecting groove (not shown) and the second fixing bolt 552, it is convenient to disassemble and connect the fixed cylinder 51 and the pressure plate 4, and it is convenient to disassemble and connect the pressure plate 4 and the waterproof belt 6, thereby improving the use efficiency of the device. By setting the first traction component 5, when the expansion joint 2 expands or contracts, the two pressure plates 4 can move away from or towards each other, thereby making the two fixed cylinders 51 move away from or towards each other, thereby making the slide plate 53 slide in the fixed cylinder 51, thereby compressing or stretching the first spring 54. Therefore, the first traction component 5 can be used to enable the device to adapt to the expansion or contraction of the expansion joint 2.

[0022] See also Figure 1 The second traction assembly 8 includes a groove 81, which is provided on the top surface of the fixed plate 7 near the pressure plate 4, and a limiting cross bar 82 is provided in the groove 81. A traction block 83 is slidably sleeved on the middle surface of the outer end of the limiting cross bar 82. The traction block 83 is provided with a sliding hole adapted to the limiting cross bar 82. The bottom end of the traction block 83 is movably connected to the bottom wall in the groove 81, and the other side end of the traction block 83 is fixedly connected to the bottom surface of the waterproof plate 9. A second spring 84 is movably sleeved on the outer surface of the limiting cross bar 82, and one side end of the second spring 84 is connected to the traction block 83. The guide block 83 is connected, and the other end of the second spring 84 is connected to the inner wall of the groove 81. By setting the second traction component 8, the waterproof plate 9 can adapt to the extension or contraction of the expansion joint 2. The bottom surface of the fixed plate 7 close to the pressing plate 4 is provided with a plug plate 11, and the other end of the plug plate 11 is slidably connected with the top surface of the pressing plate 4. The pressing plate 4 is provided with a slot adapted to the plug plate 11. By setting the plug plate 11 and the slot (not shown in the figure), the disassembly and connection between the fixed plate 7 and the pressing plate 4 are facilitated, which is beneficial to further improve the use efficiency of the device.

[0023] See also Figure 2 There are four first fixing bolts 10 in a group, and the four first fixing bolts 10 are longitudinally arranged at equal intervals. By providing multiple first fixing bolts 10, it is beneficial to improve the stability of the fixing plate 7 on the wall 1, thereby helping to improve the overall stability of the device.

[0024] Example 2

[0025] Based on the embodiment 1, a water guide plate 12 is added. Figure 1-2 A water guide plate 12 with a right-angled triangle front is provided at one side end of the fixed plate 7 away from the waterproof plate 9, and the water guide plate 12 and the fixed plate 7 are integrally formed. By providing the water guide plate 12, water on the fixed plate 7 can slide down smoothly, thereby improving the waterproof effect of the fixed plate 7 to a certain extent.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A waterproof structure for expansion joints of building walls, comprising two walls (1) and an expansion joint (2) located between the two walls (1), characterized in that: The top surfaces of the two walls (1) on the opposite sides are each provided with an L-shaped card slot (3), and a pressure plate (4) is clamped in each of the two L-shaped card slots (3), a first traction assembly (5) is commonly connected between the two pressure plates (4), and a common waterproof belt (6) is abutted between the two pressure plates (4), and the other end of the waterproof belt (6) is in contact with the bottom wall in the L-shaped card slot (3), and the top surfaces of the two pressure plates (4) on the side away from each other are each tightly fitted with a fixing plate (7), and the two fixing plates (7) are each provided with a second traction assembly (8), and the top surfaces of the two fixing plates (7) are provided with a common waterproof plate (9), and the end of the fixing plate (7) on the side away from the waterproof plate (9) is connected to the wall (1) via a group of first fixing bolts (10).

2. The waterproof structure of a building wall expansion joint according to claim 1, characterized in that: The first traction assembly (5) comprises two fixed cylinders (51), the two fixed cylinders (51) are respectively connected to the opposite side ends of the two pressure plates (4), and the middle surfaces of the opposite sides of the two fixed cylinders (51) are slidably inserted with a pull rod (52), the left and right ends of the pull rod (52) are connected with a slide plate (53), the two slide plates (53) are respectively slidably connected to the inside of the two fixed cylinders (51), the outer surface of the pull rod (52) is movably sleeved with a first spring (54), the side ends of the two first springs (54) away from each other are respectively connected to the side ends of the two slide plates (53) opposite to each other, the side end of the first spring (54) away from the slide plate (53) is connected to the inner wall of the fixed cylinder (51), and the fixed cylinder (51) is provided with a fixed assembly (55).

3. The waterproof structure of a building wall expansion joint according to claim 2, characterized in that: The fixing assembly (55) includes a connecting column (551), wherein the connecting column (551) is connected to the middle surface of the fixing tube (51) away from the pull rod (52), and the other end of the connecting column (551) is slidably connected to the end of the pressure plate (4) close to the fixing tube (51), and a connecting groove adapted to the connecting column (551) is provided on the pressure plate (4), and a second fixing bolt (552) is threadedly connected between the pressure plate (4), the connecting column (551), the waterproof belt (6) and the wall (1).

4. The waterproof structure of a building wall expansion joint according to claim 1, characterized in that: The second traction assembly (8) comprises a groove (81), wherein the groove (81) is provided on the top surface of the fixing plate (7) close to the pressure plate (4), and a limiting cross bar (82) is provided in the groove (81), and a traction block (83) is slidably sleeved on the middle surface of the outer end of the limiting cross bar (82), and a sliding hole matching the limiting cross bar (82) is provided on the traction block (83), and the bottom end of the traction block (83) is movably connected to the bottom wall in the groove (81), and the other side end of the traction block (83) is fixedly connected to the bottom surface of the waterproof plate (9), and a second spring (84) is movably sleeved on the outer surface of the limiting cross bar (82), and one side end of the second spring (84) is connected to the traction block (83), and the other end of the second spring (84) is connected to the inner wall of the groove (81).

5. The waterproof structure of a building wall expansion joint according to claim 1, characterized in that: The bottom surface of the fixing plate (7) close to the pressing plate (4) is provided with an inserting plate (11), the other end of the inserting plate (11) is slidably connected with the top surface of the pressing plate (4), and the pressing plate (4) is provided with a slot adapted to the inserting plate (11).

6. The waterproof structure of a building wall expansion joint according to claim 1, characterized in that: There are four first fixing bolts (10) in a group, and the four first fixing bolts (10) are longitudinally arranged at equal intervals.

7. The waterproof structure of a building wall expansion joint according to claim 1, characterized in that: A water guide plate (12) having a right-angled triangle front is provided at one end of the fixed plate (7) away from the waterproof plate (9), and the water guide plate (12) and the fixed plate (7) are integrally formed.

Citation Information

Patent Citations

  • Waterproof structure of expansion joint

    CN219196329U