Temporary protection and plugging device for deformation joint
By designing a temporary protective sealing device for expansion joints with components such as limit plates and card holders, the problem of size mismatch in existing devices has been solved. This has enabled stable installation and adaptation to slight expansion and contraction of the joint, improving the sealing effect and versatility, and reducing construction costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- CHINA HUAYE GROUP
- Filing Date
- 2026-05-06
- Publication Date
- 2026-06-05
AI Technical Summary
When the size of the existing sealing device does not match the expansion joint, it cannot completely cover or exceeds the width of the expansion joint, resulting in protective gaps, loosening or falling off. Especially when the width varies greatly in different projects, different specifications need to be customized, which increases construction costs and complexity, and has poor versatility.
A temporary protective sealing device for expansion joints was designed, comprising a limiting plate, a card seat, a limiting component, a fixing sleeve, and a sleeve rod. The device achieves stable positioning and adapts to slight expansion and contraction of the joint through components such as a sliding groove, a shaft seat, and a cover plate, ensuring a tight fit to the joint wall and adapting to expansion joints of different widths, thus avoiding protective gaps and loosening.
It improves the installation stability and versatility of the device, reduces construction costs and complexity, ensures the continuity and reliability of sealing and protection, and adapts to expansion joints with large width differences in different projects.
Smart Images
Figure CN122148078A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of sealing device technology, and in particular to a temporary protective sealing device for expansion joints. Background Technology
[0002] Expansion joints are a general term encompassing expansion joints, settlement joints, and seismic joints. They are structural joints reserved in buildings to prevent cracking and damage when structures deform under the influence of external factors. They are widely used in building walls, floors, roofs, underground structures, bridges, railways, and other engineering projects. During use, expansion joints also undergo dynamic expansion and contraction displacement with environmental changes, which places high demands on the adaptability of temporary protective sealing devices. During building construction, maintenance, and renovation, temporary protective sealing of expansion joints is required. This must prevent mud, sand, and debris from entering the joint and causing blockage, thus avoiding damage to components due to blockage during subsequent structural deformation. It must also provide temporary protection to prevent personnel and tools from falling. At the same time, it must adapt to the dynamic expansion and contraction characteristics of the expansion joint and not affect its normal deformation function. Existing sealing devices are mostly of fixed sizes. When the width of the expansion joint does not match the preset size of the device, it either fails to completely cover the expansion joint, leaving a protective gap, or it exceeds the width of the expansion joint, causing it to not fit snugly against the joint wall after installation, making it prone to loosening and falling off, thus failing to achieve an effective sealing and protection effect. Especially for expansion joints with large width differences in different projects, different specifications of devices need to be customized, increasing construction costs and complexity, and their versatility is extremely poor. Therefore, this application proposes a temporary protective sealing device for expansion joints. Summary of the Invention
[0003] The purpose of this invention is to address the problem in the prior art where, when the width of the expansion joint does not match the preset size of the device, it either fails to completely cover the expansion joint, resulting in a protective loophole, or exceeds the width of the expansion joint, causing it to not fit the joint wall after installation, easily loosening and falling off, and failing to form an effective sealing and protection effect. In particular, for expansion joints with large differences in width in different projects, different specifications of devices need to be customized, which increases construction costs and complexity, and has extremely poor versatility. Therefore, this invention proposes a temporary protective sealing device for expansion joints.
[0004] The technical solution of the present invention: A temporary protective sealing device for expansion joints includes a set of planks, the upper surface of which is provided with multiple sliding grooves, a bearing seat is provided between the planks, a cover plate is rotatably provided on both sides of the bearing seat, a connecting block is rotatably provided on one side of the cover plate, multiple sliders are fixedly provided on the bottom surface of the connecting block, and the sliders are slidably connected to the sliding grooves; a limiting plate is slidably provided on the bottom surface of the planks, and multiple sets of retaining seats are fixedly provided on the opposite side of the limiting plate, and a limiting component for limiting the limiting plate is provided between the retaining seats.
[0005] Optionally, the limiting component includes a fixed sleeve fixedly disposed on the bottom surface of the bearing seat, a sleeve rod movably sleeved at the lower end of the fixed sleeve, a linkage block fixedly connected at the upper end of the sleeve rod, a connecting seat fixedly connected at the lower end of the linkage block, push blocks rotatably disposed at both ends of the connecting seat, a bushing fixedly connected at one end of the push block, and a shaft movably sleeved on the bushing.
[0006] Optionally, the limiting component further includes a spring disposed inside the fixed sleeve, one end of the spring being fixedly connected to the shaft seat, and the other end of the spring being fixedly connected to the linkage block.
[0007] Optionally, the bottom surface of the bearing seat is provided with multiple guide grooves, and guide blocks are slidably arranged inside the guide grooves, with one end of the guide block being fixedly connected to the limiting plate.
[0008] Optionally, multiple anti-slip strips are fixedly provided on the opposite side of the limiting plate.
[0009] Optionally, a positioning plate is fixedly provided at one end of the slider, and a positioning hole is provided on the upper surface of the positioning plate.
[0010] Optionally, the upper surface of the cover plate is provided with anti-slip grooves.
[0011] Compared with the prior art, this application includes at least one of the following beneficial technical effects of the temporary protective sealing device for expansion joints: This invention achieves stable positioning and fixation of the limiting plate through a limiting plate, a card seat, a limiting component, a fixing sleeve, a sleeve rod, a connecting block, a connecting seat, a push block, a bushing, a shaft rod, a spring, and a shaft seat. This ensures that the limiting plate fits tightly against the expansion joint wall, enhances the installation stability of the device, prevents the device from shifting, and adapts to slight expansion and contraction of the expansion joint, continuously maintaining an effective sealing and protection state and improving the reliability of protection. Furthermore, this invention uses a set of planks, grooves, bearings, cover plates, connecting blocks, and sliders to adapt to expansion joints of different widths, avoiding protective gaps, loose installations, and detachment due to size mismatches, ensuring sealing and protection effects, eliminating the need for customizing multiple specifications of devices, reducing construction costs and complexity, and improving the versatility of the device. Attached Figure Description
[0012] Figure 1 A schematic diagram of a temporary protective sealing device for expansion joints; Figure 2 for Figure 1 A schematic diagram of the cross-sectional structure; Figure 3 for Figure 1 A schematic diagram showing the disassembled structure of the middle cover plate and the limiting plate; Figure 4 for Figure 1A schematic diagram showing the disassembled structure of the central bearing and the cover plate; Figure 5 for Figure 1 A schematic diagram of the disassembled structure of the middle limit component; Figure 6 for Figure 1 A schematic diagram of the card slot and its structure.
[0013] Figure label: 1. Laying plate; 2. Slide groove; 3. Shaft seat; 4. Cover plate; 5. Connecting block; 6. Sliding block; 7. Limiting plate; 8. Card seat; 9. Limiting assembly; 91. Fixing sleeve; 92. Sleeve rod; 93. Linking block; 94. Connecting seat; 95. Push block; 96. Bushing; 97. Shaft; 98. Spring; 10. Guide groove; 11. Guide block; 12. Anti-slip strip; 13. Positioning plate; 14. Positioning hole; 15. Anti-slip groove. Detailed Implementation
[0014] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.
[0015] The components of the embodiments of the invention described and shown in the accompanying drawings can typically be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention.
[0016] Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0017] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0018] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations. Embodiment
[0019] As Figures 1 to 4 shown, a temporary protective plugging device for deformation joints proposed by the present invention includes a set of paving plates 1. A plurality of sliding grooves 2 are formed on the upper surface of the paving plate 1, and the plurality of sliding grooves 2 are arranged in a "convex" shape structure. This "convex" shape structure can effectively prevent the sliding blocks 6 from falling off the sliding grooves 2 and ensure the stability of the sliding process. Axle seats 3 are arranged between the paving plates 1. Cover plates 4 are respectively rotatably arranged on both sides of the axle seats 3, enabling the cover plates 4 to rotate stably on the axle seats 3. Anti-slip grooves 15 are formed on the upper surface of the cover plates 4, which can increase the friction force on the upper surface of the cover plates 4. One side of the cover plate 4 is rotatably provided with a connecting block 5 through a pin shaft. One end of the connecting block 5 is inclined. A plurality of sliding blocks 6 are fixedly arranged on the bottom surface of the connecting block 5, and the sliding blocks 6 are arranged in a "convex" shape structure. The sliding blocks 6 are slidably connected to the sliding grooves 2, enabling the sliding blocks 6 to slide stably inside the sliding grooves 2. One end of the sliding block 6 is fixedly provided with a positioning plate 13, and positioning holes 14 are formed on the upper surface of the positioning plate 13, which can limit the positioning plate 13 through the cooperation of the positioning holes 14 and bolts, thereby preventing the displacement of the sliding blocks 6.
[0020] Furthermore, a limiting plate 7 is slidably arranged on the bottom surface of the paving plate 1. A plurality of anti-slip strips 12 are respectively fixedly arranged on the opposite surfaces of the limiting plate 7. The anti-slip strips 12 can increase the contact friction force between the limiting plate 7 and the expansion joint and prevent displacement. A plurality of guiding grooves 10 are formed on the bottom surface of the axle seat 3. Guiding blocks 11 are respectively slidably arranged inside the guiding grooves 10. One end of the guiding block 11 is fixedly connected to the limiting plate 7. The guiding grooves 10 and the guiding blocks 11 can guide the limiting plate 7 to move stably. A plurality of groups of clamping seats 8 are respectively fixedly arranged on the opposite surfaces of the limiting plate 7.
[0021] As Figure 1 、 Figure 2 、 Figure 5 and Figure 6As shown, a limiting component 9 for limiting the limiting plate 7 is provided between the card seats 8. The limiting component 9 includes a fixed sleeve 91 fixedly disposed on the bottom surface of the bearing seat 3. A sleeve rod 92 is movably sleeved at the lower end of the fixed sleeve 91, which can make the sleeve rod 92 slide stably inside the fixed sleeve 91. A connecting block 93 is fixedly connected to the upper end of the sleeve rod 92. A connecting seat 94 is fixedly connected to the lower end of the connecting block 93. Push blocks 95 are rotatably disposed at both ends of the connecting seat 94 through pins, which can make the push blocks 95 rotate stably on the connecting seat 94. A bushing 96 is fixedly connected to one end of the push block 95. A shaft rod 97 is movably sleeved on the bushing 96 and is engaged with the card seat 8, thereby pushing the limiting plate 7 to move towards the expansion joint.
[0022] Furthermore, the limiting component 9 also includes a spring 98 disposed inside the fixed sleeve 91. One end of the spring 98 is fixedly connected to the bearing 3, and the other end of the spring 98 is fixedly connected to the linkage block 93. The position of the limiting plate 7 can be adjusted by the elastic force of the spring 98, so that the limiting plate 7 can be adapted to the sealing of expansion joints of different sizes.
[0023] The working principle of this embodiment is as follows: First, the device is placed inside the expansion joint, and the paving plate 1 is pressed tightly against both sides of the expansion joint. The shaft seat 3 is pushed to move vertically downward. The shaft seat 3 drives the connecting block 5 to move through the cover plate 4. The connecting block 5 drives the slider 6 to slide inside the slide groove 2. The slider 6 drives the positioning plate 13 to move out of the slide groove 2.
[0024] Simultaneously, as the bearing seat 3 moves vertically downward, it drives the fixed sleeve 91 to move accordingly. The fixed sleeve 91, in conjunction with the sleeve rod 92, causes the connecting block 93 to compress the spring 98. The spring force of the spring 98 pushes the connecting block 93 to move. The connecting block 93, through the sleeve rod 92, drives the lower connecting seat 94 to move vertically downward. The connecting seat 94 simultaneously drives the push blocks 95 at both ends to rotate. The bushing 96 at one end of the push block 95 moves along the shaft rod 97, causing the push block 95 to rotate on the card seat 8, thereby pushing the limiting plate 7 to move towards the deformation joint wall until the limiting plate 7 is tightly attached to the deformation joint wall.
[0025] Next, the bolts are used in conjunction with the positioning holes 14 on the positioning plate 13 to connect the bolts through the positioning holes 14 to the floor, thereby limiting the positioning plate 13 and ensuring that the cover plate 4 and the floor slab 1 are firmly connected.
[0026] During use, when the expansion joint experiences slight expansion or contraction, the spring 98 in the limiting component 9 can undergo elastic deformation, causing the sleeve rod 92, the linkage block 93, and the push block 95 to move adaptively. This, in turn, causes the limiting plate 7 to slide slightly along the guide groove 10, ensuring that the limiting plate 7 always fits tightly against the expansion joint wall, maintaining an effective sealing and protection state, improving the reliability of protection. It can flexibly adapt to the slight expansion or contraction of the expansion joint, avoiding loosening, falling off, or creating protective loopholes due to the expansion or contraction of the expansion joint. It eliminates the need for frequent adjustments to the device, ensuring the continuity of the sealing and protection effect.
[0027] The above specific embodiments are merely optional embodiments of the present invention. Based on the technical solutions of the present invention and the relevant teachings of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.
Claims
1. A temporary protective sealing device for expansion joints, characterized in that, include: A set of planks (1), the upper surface of the planks (1) is provided with multiple sliding grooves (2), the planks (1) are provided with a bearing seat (3), the two sides of the bearing seat (3) are respectively rotatably provided with a cover plate (4), the one side of the cover plate (4) is rotatably provided with a connecting block (5), the bottom surface of the connecting block (5) is fixedly provided with multiple sliders (6), the sliders (6) are slidably connected with the sliding grooves (2); A limiting plate (7) is slidably set on the bottom surface of the paving board (1). Multiple sets of card seats (8) are fixedly set on the opposite sides of the limiting plate (7). A limiting component (9) for limiting the limiting plate (7) is set between the card seats (8).
2. The temporary protective sealing device for expansion joints according to claim 1, characterized in that, The limiting component (9) includes a fixed sleeve (91) fixedly disposed on the bottom surface of the bearing seat (3). The lower end of the fixed sleeve (91) is movably sleeved with a sleeve rod (92). The upper end of the sleeve rod (92) is fixedly connected with a linkage block (93). The lower end of the linkage block (93) is fixedly connected with a connecting seat (94). Push blocks (95) are rotatably disposed at both ends of the connecting seat (94). One end of the push block (95) is fixedly connected with a bushing (96). A shaft rod (97) is movably sleeved on the bushing (96).
3. The temporary protective sealing device for expansion joints according to claim 2, characterized in that, The limiting component (9) also includes a spring (98) disposed inside the fixed sleeve (91), one end of the spring (98) being fixedly connected to the bearing seat (3), and the other end of the spring (98) being fixedly connected to the linkage block (93).
4. The temporary protective sealing device for expansion joints according to claim 1, characterized in that, The bottom surface of the bearing seat (3) is provided with multiple guide grooves (10), and guide blocks (11) are slidably arranged inside the guide grooves (10). One end of the guide block (11) is fixedly connected to the limiting plate (7).
5. A temporary protective sealing device for expansion joints according to claim 1, characterized in that, Multiple anti-slip strips (12) are fixedly provided on the opposite side of the limiting plate (7).
6. A temporary protective sealing device for expansion joints according to claim 1, characterized in that, A positioning plate (13) is fixedly provided at one end of the slider (6), and a positioning hole (14) is provided on the upper surface of the positioning plate (13).
7. A temporary protective sealing device for expansion joints according to claim 1, characterized in that, The upper surface of the cover plate (4) is provided with anti-slip grooves (15).