Fastening waterproof expansion joint with anti-abrasion function
By using tarp fabrics and complex waterproof mechanisms in the expansion joints, combined with buffer springs and wear-resistant rubber, the problems of inconvenient waterproofing, poor leakage and wear-proof effects of expansion joints are solved, and convenient waterproof replacement and improved wear resistance are achieved. .
Patent Information
- Application Number
- CN202420795185.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-16
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-04-16
AI Technical Summary
During use, existing expansion joints are not convenient for waterproofing, which is prone to rainwater leakage, and the waterproof structure is not convenient for replacement, which affects maintenance, has poor wear and tear effects, and is prone to damage.
A fastening waterproof expansion joint is designed, using tarp and complex waterproof mechanism, and convenient waterproof replacement is achieved through the combination of threaded rod, return spring, connecting block and tarp, and preventing it from being used by cushioning spring and wear-resistant rubber. Wear.
It effectively solves the problems of inconvenience and leakage during use of the expansion joint, as well as the problems of difficulty in replacing the waterproof structure and poor wear-proof effect, and improves the waterproof performance and wear resistance of the expansion joint.
Smart Images

Figure CN222477213U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of expansion joints, in particular to a fastening and waterproof expansion joint with an anti-wear function. Background Art
[0002] A building expansion joint is a structural joint set up at an appropriate position along the construction joint direction of a building or structure to prevent cracks or damage to the structure due to changes in climate and temperature. Expansion joints are usually built in bridge construction.
[0003] After searching, the patent number is CN217203610U, and the name is a utility model of a waterproof expansion joint with a buffering function, including a left expansion joint component, a right expansion joint component, a support plate, a first main beam and a second main beam. Through research and analysis, it is found that although it has the function of bridge buffering and the advantage of extending the first heat conducting rod and the second heat conducting rod into the ground for cooling, it still has the following disadvantages to a certain extent.
[0004] For example, the device is not easy to waterproof during use, rainwater will leak, affecting the traffic at the bottom of the bridge, the waterproof structure is not easy to replace, affecting the maintenance of the expansion joint, the anti-wear effect is poor, and it is easy to be damaged during use. In order to solve the above technical problems, we have designed a fastening waterproof expansion joint with anti-wear function. Utility Model Content
[0005] The purpose of the utility model is to provide a fastening waterproof expansion joint with anti-wear function, which has the advantages of being waterproof and wear-resistant, and solves the problems that the device is not convenient to waterproof during use, rainwater will leak, affecting the traffic at the bottom of the bridge, the waterproof structure is not convenient to replace, affecting the maintenance of the expansion joint, the anti-wear effect is poor, and it is easy to be damaged during use.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fastening and waterproof expansion joint with anti-wear function, comprising a mounting block, a protective mechanism is arranged on the top of the mounting block, a mounting groove is opened inside the mounting block, a movable hole is opened on the opposite side of the mounting block, a waterproof mechanism is arranged on the opposite side of the mounting block, the waterproof mechanism comprises a fixing plate, the opposite side of the mounting block is welded to the fixing plate, a threaded rod is penetrated through the top of the fixing plate, a connecting plate is threadedly sleeved on the surface of the threaded rod, a positioning block is welded to the surface of the connecting plate, a connecting block is arranged in the inner cavity of the mounting groove, a waterproof cloth is bonded to the opposite side of the connecting block, a reset spring is welded to the top of the positioning block, and the top of the reset spring is welded to the inner wall of the mounting groove.
[0007] Preferably, guide bolts are welded on both sides of the bottom of the fixing plate, the bottom of the guide bolts penetrates to the bottom of the connecting plate, and the surface of the guide bolts is slidably connected to the connecting plate.
[0008] Preferably, the protection mechanism includes a top plate, the top of the mounting block is connected to the top plate by bolts, the top of the top plate is connected with wear-resistant rubber by bolts, and a buffer spring is welded on the opposite side of the top plate.
[0009] Preferably, a protective cover is bonded to one side opposite to the top plate, and the buffer spring is located inside the protective cover.
[0010] Preferably, a reinforcement frame is connected to the surface of the mounting block via bolts, and a strip spring is connected to the opposite side of the mounting block via bolts.
[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0012] 1. The utility model collects water through the waterproof cloth, thereby achieving a waterproof effect. When the waterproof cloth needs to be replaced, the top plate is removed from the top of the mounting block, and then the threaded rod is rotated to drive the connecting plate and the positioning block to move up and down, so that the positioning block is separated from the connecting block, and then the waterproof cloth is pulled to drive the connecting block, and the connecting block is pulled out of the mounting groove, and then a new connecting block and waterproof cloth are installed, and the connecting block is clamped into the mounting groove, and then the threaded rod is rotated to drive the connecting plate and the positioning block to move up and down, so that the positioning block is clamped to the connecting block;
[0013] 2. When the bridge shakes and expands and contracts, the utility model drives the top plate to move forward and backward through the mounting block, and drives the buffer spring to make expansion and contraction motion for buffering protection through the top plate, thereby preventing hard friction between the top plates and wear of the top plates. At the same time, the top of the top plate is protected by wear-resistant rubber, which can effectively prevent the top of the top plate from being worn out. When the mounting block moves forward and backward, the strip spring makes it convenient to make expansion and contraction motion to provide buffering protection for the mounting block. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is the axonometric drawing of the structure of the utility model;
[0015] Figure 2 It is a three-dimensional diagram of the connecting plate and the waterproof cloth of the utility model;
[0016] Figure 3 It is a three-dimensional diagram of the mounting block and the movable hole of the utility model;
[0017] Figure 4 It is a three-dimensional diagram of the top plate and buffer spring of the utility model.
[0018] In the figure: 1. mounting block; 2. reinforcement frame; 3. top plate; 4. wear-resistant rubber; 5. protective cover; 6. buffer spring; 7. mounting groove; 8. strip spring; 9. movable hole; 10. connecting plate; 11. positioning block; 12. fixing plate; 13. guide bolt; 14. threaded rod; 15. reset spring; 16. connecting block; 17. waterproof cloth; 18. waterproof mechanism; 19. protective mechanism. DETAILED DESCRIPTION
[0019] See also Figure 1-Figure 4 A fastening waterproof expansion joint with anti-wear function comprises a mounting block 1, a protective mechanism 19 is arranged on the top of the mounting block 1, a mounting groove 7 is opened inside the mounting block 1, a movable hole 9 is opened on the opposite side of the mounting block 1, a waterproof mechanism 18 is arranged on the opposite side of the mounting block 1, and the waterproof mechanism 18 comprises a fixing plate 12, the opposite side of the mounting block 1 is welded to the fixing plate 12, a threaded rod 14 is penetrated through the top of the fixing plate 12, a connecting plate 10 is threadedly sleeved on the surface of the threaded rod 14, a positioning block 11 is welded on the surface of the connecting plate 10, a connecting block 16 is arranged in the inner cavity of the mounting groove 7, a waterproof cloth 17 is bonded on the opposite side of the connecting block 16, a reset spring 15 is welded on the top of the positioning block 11, and the top of the reset spring 15 is welded to the inner wall of the mounting groove 7. By setting the reset spring 15, it is convenient to provide elastic force for the positioning block 11, it is convenient to drive the positioning block 11 to move up and down, and it is convenient to clamp the connecting block 16.
[0020] See also Figure 2 Guide bolts 13 are welded on both sides of the bottom of the fixed plate 12. The bottom of the guide bolts 13 penetrates to the bottom of the connecting plate 10. The surface of the guide bolts 13 is slidably connected to the connecting plate 10. By setting the guide bolts 13, the connecting plate 10 can be guided and stably moved.
[0021] See also Figure 1 and Figure 4 The protection mechanism 19 includes a top plate 3, the top of the mounting block 1 is connected to the top plate 3 by bolts, the top of the top plate 3 is connected with a wear-resistant rubber 4 by bolts, and a buffer spring 6 is welded on the opposite side of the top plate 3. By setting the buffer spring 6, a buffering effect can be played, which can facilitate the protection of the two top plates 3 and effectively prevent the two top plates 3 from direct contact.
[0022] See also Figure 4 A protective cover 5 is bonded to the opposite side of the top plate 3, and the buffer spring 6 is located inside the protective cover 5. By providing the protective cover 5, the buffer spring 6 can be easily protected and effectively prevented from being damaged.
[0023] See also Figure 1The surface of the mounting block 1 is connected with a reinforcement frame 2 by bolts, and the opposite side of the mounting block 1 is connected with a strip spring 8 by bolts. By setting the reinforcement frame 2, it is convenient to reinforce the mounting block 1 and the bridge, and it is convenient to keep the mounting block 1 stable. By setting the strip spring 8, it can play a buffering role and can effectively prevent collisions between the top plates 3.
[0024] When in use, water is collected through the waterproof cloth 17, thereby achieving a waterproof effect. When the waterproof cloth 17 needs to be replaced, the top plate 3 is removed from the top of the mounting block 1, and then the threaded rod 14 is rotated to drive the connecting plate 10 and the positioning block 11 to move up and down, so that the positioning block 11 is separated from the connecting block 16, and then the waterproof cloth 17 is pulled to drive the connecting block 16, and the connecting block 16 is pulled out of the mounting groove 7, and then a new connecting block 16 and the waterproof cloth 17 are installed, and the connecting block 16 is inserted into the mounting groove 7, and then the threaded rod 14 is rotated to drive the connecting plate 1 0 and the positioning block 11 move up and down, which makes it convenient for the positioning block 11 to clamp the connecting block 16. When the bridge shakes and expands, the mounting block 1 drives the top plate 3 to move forward and backward, and the top plate 3 drives the buffer spring 6 to do telescopic movement for buffering protection, thereby preventing hard friction between the top plates 3 and the top plates 3, and preventing the top plates 3 from being worn. At the same time, the wear-resistant rubber 4 protects the top of the top plate 3, which can effectively prevent the top of the top plate 3 from being worn. When the mounting block 1 moves forward and backward, the strip spring 8 is convenient for the telescopic movement to buffer the mounting block 1.
[0025] To sum up: the fastening waterproof expansion joint with anti-wear function, through the threaded rod 14, the return spring 15, the connecting block 16, the waterproof cloth 17, the waterproof mechanism 18 and the protective mechanism 19, solves the problems that the device is not convenient to waterproof during use, rainwater will leak, affecting the traffic at the bottom of the bridge, the waterproof structure is not convenient to replace, affecting the maintenance of the expansion joint, the anti-wear effect is poor, and it is easy to be damaged during use.
Claims
1. A fastening and waterproof expansion joint with anti-wear function, comprising a mounting block (1), characterized in that: A protective mechanism (19) is provided at the top of the mounting block (1), a mounting groove (7) is provided inside the mounting block (1), a movable hole (9) is provided on the opposite side of the mounting block (1), a waterproof mechanism (18) is provided on the opposite side of the mounting block (1), the waterproof mechanism (18) comprises a fixing plate (12), the opposite side of the mounting block (1) is welded to the fixing plate (12), a threaded rod (14) is provided through the top of the fixing plate (12), a connecting plate (10) is threadedly sleeved on the surface of the threaded rod (14), a positioning block (11) is welded to the surface of the connecting plate (10), a connecting block (16) is provided in the inner cavity of the mounting groove (7), a waterproof cloth (17) is bonded to the opposite side of the connecting block (16), a reset spring (15) is welded to the top of the positioning block (11), and the top of the reset spring (15) is welded to the inner wall of the mounting groove (7).
2. The fastening and waterproof expansion joint with anti-wear function according to claim 1, characterized in that: Guide bolts (13) are welded on both sides of the bottom of the fixing plate (12), the bottom of the guide bolts (13) penetrates to the bottom of the connecting plate (10), and the surface of the guide bolts (13) is slidably connected to the connecting plate (10).
3. The fastening and waterproof expansion joint with anti-wear function according to claim 1, characterized in that: The protection mechanism (19) comprises a top plate (3), the top of the mounting block (1) is connected to the top plate (3) via bolts, the top of the top plate (3) is connected to wear-resistant rubber (4) via bolts, and a buffer spring (6) is welded on the opposite side of the top plate (3).
4. The fastening and waterproof expansion joint with anti-wear function according to claim 3, characterized in that: A protective cover (5) is bonded to the opposite side of the top plate (3), and the buffer spring (6) is located inside the protective cover (5).
5. The fastening and waterproof expansion joint with anti-wear function according to claim 1, characterized in that: The surface of the mounting block (1) is connected to a reinforcement frame (2) via bolts, and the opposite side of the mounting block (1) is connected to a strip spring (8) via bolts.
Citation Information
Patent Citations
Waterproof expansion joint with buffering function
CN217203610U