A prefabricated hollow wallboard joint sealing structure

By installing sealing devices and sealing plate structures at the joints of precast hollow wall panels, the problem of water seepage was solved, achieving better sealing effect and thermal insulation performance.

CN224300191UActive Publication Date: 2026-05-29宣城市政建设集团有限公司

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
宣城市政建设集团有限公司
Filing Date
2025-05-19
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

In existing technologies, after precast hollow wall panels are spliced, water can easily seep in by sealing the joint gaps with concrete, and there is a lack of effective sealing measures.

Method used

The sealing device and sealing plate structure include components such as sealing plate, sealing plate, threaded rod, connector and decorative plate. The sealing of the joints of the precast hollow wall panels is achieved by threaded connection and snap-fit, and the insulation performance is improved by using foam insulation board.

Benefits of technology

It effectively reduces the possibility of water seeping into the joints of precast hollow wall panels and improves the sealing effect and thermal insulation performance of the joints.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224300191U_ABST
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Abstract

The application discloses a prefabricated hollow wallboard joint sealing structure and relates to the technical field of house building construction. The prefabricated hollow wallboard joint sealing structure comprises two prefabricated hollow wallboard bodies arranged adjacently, two sealing devices are respectively arranged on the two sides of the connecting joint of the two prefabricated hollow wallboard bodies, each group of the sealing devices comprises two first recesses respectively arranged on the connecting ends of the two prefabricated hollow wallboard bodies and a sealing plate detachably arranged on the two first recesses, and the inner side of the sealing plate is provided with a sealing plate. The sealing plate is arranged on the connecting joint of the two prefabricated hollow wallboard bodies. The application can reduce the possibility of water seeping into the connecting joint gap between the two prefabricated hollow wallboard bodies.
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Description

Technical Field

[0001] This application relates to the technical field of building construction, and in particular to a joint sealing structure for prefabricated hollow wall panels. Background Technology

[0002] Currently, precast wall panels refer to reinforced concrete slab components that are processed in a prefabrication yard and transported to the construction site for assembly. They have advantages such as being less affected by seasonality, having low cost, and having a short construction cycle.

[0003] However, in the relevant technology, after the two precast hollow wall panels are spliced ​​together, the connection gap between the two precast hollow wall panels is only sealed with concrete. As a result, when the concrete dries, water can easily seep in from the connection gap between the two precast hollow wall panels. Utility Model Content

[0004] This application provides a joint sealing structure for prefabricated hollow wall panels, which can reduce the possibility of water seeping in from the connection gap between two prefabricated hollow wall panel bodies, and adopts the following technical solution:

[0005] A precast hollow wall panel joint sealing structure includes two adjacent precast hollow wall panel bodies. Sealing devices are installed on both sides of the joint between the two precast hollow wall panel bodies. Each set of sealing devices includes two first recesses respectively opened at the joint ends of the two precast hollow wall panel bodies and a sealing plate detachably installed in the two first recesses. A sealing plate is installed on the inner side of the sealing plate, and the sealing plate seals the joint between the two precast hollow wall panel bodies.

[0006] By adopting the above scheme, the sealing plate and sealing plate can be installed to seal the joint between the two prefabricated hollow wall panels, thereby reducing the possibility of water seeping in from the joint between the two prefabricated hollow wall panels.

[0007] Preferably, each of the first settling tanks has multiple threaded rods prefabricated on its sidewalls, and the sealing plate has multiple through holes for the multiple threaded rods to pass through. The sealing plate is connected to the multiple threaded rods through multiple connectors.

[0008] By adopting the above scheme, the connecting parts are designed to facilitate the fixed connection between the sealing plate and the threaded rod, thereby facilitating the installation of the sealing plate.

[0009] Preferably, the connector includes a threaded tube threaded to the end of the threaded rod and an internal hexagonal portion fixed to the end of the threaded tube away from the threaded rod.

[0010] By adopting the above scheme, when the sealing plate needs to be installed, first move the sealing plate to make the threaded rod pass through the through hole, then screw the threaded tube into the threaded rod, and then drive the internal hexagonal part to rotate with a tool. In this way, the sealing plate can be installed. In summary, the connecting parts are designed to facilitate the installation of the sealing plate.

[0011] Preferably, the sealing plate is snapped onto one side of the sealing plate.

[0012] By adopting the above scheme, it is easy to connect the sealing plate and the sealing plate, thereby facilitating the positioning of the sealing plate.

[0013] Preferably, a plurality of spherical elastic blocks are fixedly connected to the side of the sealing plate near the sealing plate, and a plurality of spherical grooves are opened on the side of the sealing plate near the sealing plate, and the plurality of spherical elastic blocks are engaged in the plurality of spherical grooves in a corresponding manner.

[0014] By adopting the above scheme, the multiple spherical elastic blocks and multiple spherical grooves facilitate the connection between the sealing plate and the plugging plate.

[0015] Preferably, a second recess is provided at the outer end of the through hole, and a decorative plate is engaged in the second recess.

[0016] By adopting the above solution, the decorative plate can be easily used to seal the through holes, thereby facilitating the protection of the threaded rod and connectors.

[0017] Preferably, the decorative panel has multiple locking blocks fixed to one end near the threaded rod, and the inner wall of the second sink groove has multiple locking slots, with each locking block corresponding to one of the multiple locking slots; the decorative panel has a threaded groove at the end away from the threaded rod.

[0018] By adopting the above scheme, the multiple locking blocks and slots facilitate the installation of the decorative panel; the threaded grooves facilitate the removal of the decorative panel with the aid of tools.

[0019] Preferably, a sealing ring is fitted onto the outer wall of the decorative panel.

[0020] By adopting the above solution, the sealing ring can reduce the amount of water entering the through hole.

[0021] Preferably, a positioning protrusion is fixed to the inner wall of the sealing ring, and an annular groove is formed on the outer peripheral surface of the decorative plate, into which the positioning protrusion is inserted.

[0022] By adopting the above scheme, the positioning protrusion and annular groove facilitate the positioning of the sealing ring.

[0023] Preferably, a third sink groove is provided at both ends of the joint between the two prefabricated hollow wall panels, and the third sink groove is filled with foam insulation board.

[0024] By adopting the above scheme, the foam insulation board can improve the insulation performance of the joint between the two precast hollow wall panels.

[0025] In summary, this application has the following beneficial effects:

[0026] 1. The sealing plate and sealing plate are designed to seal the joint between the two precast hollow wall panels, thereby reducing the possibility of water seeping in from the joint between the two precast hollow wall panels.

[0027] 2. The connecting parts are designed to facilitate the fixed connection between the sealing plate and the threaded rod, thereby facilitating the installation of the sealing plate;

[0028] 3. The decorative panel is designed to facilitate the sealing of through holes, thereby protecting the threaded rod and connectors. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the overall structure of an embodiment of this application.

[0030] Figure 2 This is a schematic diagram illustrating the structure of the sealing device in an embodiment of this application.

[0031] Figure 3 This is a schematic diagram highlighting the structure of the connector in the embodiments of this application.

[0032] Explanation of reference numerals in the attached drawings: 1. Precast hollow wall panel body; 11. Third settling tank; 2. Sealing device; 21. First settling tank; 22. Sealing plate; 221. Through hole; 222. Spherical groove; 223. Second settling tank; 224. Slot; 23. Dovetail plate; 24. Dovetail groove; 25. Sealing plate; 251. Spherical elastic block; 26. Threaded rod; 3. Connector; 31. Threaded pipe; 32. Internal hexagonal part; 4. Decorative panel; 41. Slot; 42. Threaded groove; 43. Annular groove; 5. Sealing ring; 51. Positioning protrusion ring; 6. Foam insulation board. Detailed Implementation

[0033] Identical parts are indicated by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "upper," "lower," "bottom," and "top" used in the following description refer to directions in the accompanying drawings, while the terms "inner" and "outer" refer to directions toward or away from the geometric center of a specific part, respectively.

[0034] This application discloses a joint sealing structure for precast hollow wall panels, such as Figure 1 and Figure 2As shown, it includes two prefabricated hollow wall panel bodies 1 arranged adjacent to each other, and sealing devices 2 are installed on both sides of the joint between the two prefabricated hollow wall panel bodies 1.

[0035] like Figure 1 and Figure 2 As shown, each sealing device 2 includes two first sinkholes 21 respectively opened at the connecting ends of the two precast hollow wall panel bodies 1, and a sealing plate 22 detachably installed in the two first sinkholes 21; dovetail plates 23 and dovetail grooves 24 are respectively provided on the opposite inner sides of the two precast hollow wall panel bodies 1, the dovetail plates 23 are slidably connected to the dovetail grooves 24, and a sealing plate 25 is installed on the inner side of the sealing plate 22, the sealing plate 25 sealing the connecting joint of the two precast hollow wall panel bodies 1. The sealing plate 22 and the sealing plate 25 facilitate the sealing of the connecting joint of the two precast hollow wall panel bodies 1, thereby reducing the possibility of water seeping in from the connecting joint between the two precast hollow wall panel bodies 1.

[0036] like Figure 2 and Figure 3 As shown, each first settling tank 21 has multiple threaded rods 26 prefabricated on its sidewall. The sealing plate 22 has multiple through holes 221 for the threaded rods 26 to pass through. The threaded rods 26 and the through holes 221 are coaxially arranged. The sealing plate 22 is connected to the threaded rods 26 via multiple connectors 3. The connectors 3 facilitate the fixed connection between the sealing plate 22 and the threaded rods 26, thereby facilitating the installation of the sealing plate 25.

[0037] like Figure 2 and Figure 3 As shown, the connector 3 includes a threaded tube 31 threaded to the end of the threaded rod 26 and an internal hexagonal portion 32 fixed to the end of the threaded tube 31 away from the threaded rod 26; the internal hexagonal portion 32 is the end of an internal hexagonal bolt, and the internal hexagonal portion 32 is coaxially arranged with the threaded tube 31. When the sealing plate 22 needs to be installed, first move the sealing plate 22 to make the threaded rod 26 pass through the through hole 221, then screw the threaded tube 31 onto the threaded rod 26, and then drive the internal hexagonal portion 32 to rotate with a tool, thus installing the sealing plate 22; in summary, the connector 3 facilitates the installation of the sealing plate 22.

[0038] like Figure 2 and Figure 3As shown, the sealing plate 25 is snapped onto one side of the sealing plate 22. Multiple spherical elastic blocks 251 are fixed to the side of the sealing plate 25 near the sealing plate 22. Multiple spherical grooves 222 are formed on the side of the sealing plate 22 near the sealing plate 25, and the multiple spherical elastic blocks 251 are snapped into the corresponding spherical grooves 222. The diameter of the opening of the spherical groove 222 is smaller than the maximum diameter of the spherical elastic block 251. The multiple spherical elastic blocks 251 and multiple spherical grooves 222 facilitate the connection between the sealing plate 25 and the sealing plate 22.

[0039] like Figure 2 and Figure 3 As shown, a second recess 223 is provided at the outer end of the through hole 221, and a decorative plate 4 is snapped into the second recess 223. The decorative plate 4 is arranged coaxially with the through hole 221. The decorative plate 4 is provided to facilitate the sealing of the through hole 221, thereby facilitating the protection of the threaded rod 26 and the connector 3.

[0040] like Figure 2 and Figure 3 As shown, a plurality of locking blocks 41 are fixedly connected to one end of the decorative panel 4 near the threaded rod 26. A plurality of slots 224 are formed on the inner wall of the second recess 223, and the locking blocks 41 are engaged with the slots 224 in a corresponding manner. The multiple locking blocks 41 and slots 224 facilitate the installation of the decorative panel 4. A threaded groove 42 is formed at the end of the decorative panel 4 away from the threaded rod 26, and the threaded groove 42 is coaxially arranged with the decorative panel 4. The threaded groove 42 facilitates the removal of the decorative panel 4 using tools.

[0041] like Figure 2 and Figure 3 As shown, a sealing ring 5 is fitted onto the outer wall of the decorative panel 4, and the sealing ring 5 is coaxially arranged with the decorative panel 4; the sealing ring 5 reduces the amount of water entering the through hole 221. A positioning protrusion 51 is fixed to the inner wall of the sealing ring 5, and the positioning protrusion 51 is coaxially arranged with the sealing ring 5. An annular groove 43 is formed on the outer circumferential surface of the decorative panel 4, and the positioning protrusion 51 is inserted into the annular groove 43; the positioning protrusion 51 and the annular groove 43 facilitate the positioning of the sealing ring 5.

[0042] like Figure 2 and Figure 3 As shown, a third recess 11 is provided at both ends of the joint between the two precast hollow wall panel bodies 1. The third recess 11 is filled with a foam insulation board 6, which can seal the joint between the two precast hollow wall panel bodies 1. The foam insulation board 6 improves the thermal insulation of the joint between the two precast hollow wall panel bodies 1.

[0043] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A precast hollow wall panel joint sealing structure, comprising two adjacent precast hollow wall panel bodies (1), characterized in that: A sealing device (2) is installed on both sides of the joint between the two prefabricated hollow wall panel bodies (1). Each sealing device (2) includes two first sinks (21) respectively opened at the joint of the two prefabricated hollow wall panel bodies (1) and a sealing plate (22) detachably installed in the two first sinks (21). A sealing plate (25) is installed on the inner side of the sealing plate (22), and the sealing plate (25) seals the joint between the two prefabricated hollow wall panel bodies (1).

2. The precast hollow wall panel joint sealing structure according to claim 1, characterized in that: Each of the first settling tanks (21) has multiple threaded rods (26) prefabricated on its sidewalls. The sealing plate (22) has multiple through holes (221) for the multiple threaded rods (26) to pass through. The sealing plate (22) is connected to the multiple threaded rods (26) through multiple connectors (3).

3. The precast hollow wall panel joint sealing structure according to claim 2, characterized in that: The connector (3) includes a threaded tube (31) threaded to the end of the threaded rod (26) and an internal hexagonal portion (32) fixed to the end of the threaded tube (31) away from the threaded rod (26).

4. The precast hollow wall panel joint sealing structure according to claim 1, characterized in that: The sealing plate (25) is snapped onto one side of the sealing plate (22).

5. A precast hollow wall panel joint sealing structure according to claim 4, characterized in that: A plurality of spherical elastic blocks (251) are fixedly connected to the side of the sealing plate (25) near the sealing plate (22). A plurality of spherical grooves (222) are opened on the side of the sealing plate (22) near the sealing plate (25). The plurality of spherical elastic blocks (251) are snapped into the plurality of spherical grooves (222) one by one.

6. The precast hollow wall panel joint sealing structure according to claim 2, characterized in that: The outer end of the through hole (221) is provided with a second recess (223), and a decorative plate (4) is snapped into the second recess (223).

7. A precast hollow wall panel joint sealing structure according to claim 6, characterized in that: The decorative panel (4) has multiple locking blocks (41) fixed to one end near the threaded rod (26), and the inner wall of the second recess (223) has multiple slots (224), with the multiple locking blocks (41) being locked into the multiple slots (224) in a corresponding manner; the decorative panel (4) has a threaded groove (42) at one end away from the threaded rod (26).

8. A precast hollow wall panel joint sealing structure according to claim 7, characterized in that: A sealing ring (5) is fitted onto the outer wall of the decorative panel (4).

9. A precast hollow wall panel joint sealing structure according to claim 8, characterized in that: The inner wall of the sealing ring (5) is fixed with a positioning protrusion (51), and the outer circumferential surface of the decorative plate (4) is provided with an annular groove (43), and the positioning protrusion (51) is inserted into the annular groove (43).

10. A precast hollow wall panel joint sealing structure according to claim 1, characterized in that: Both ends of the joint of the two prefabricated hollow wall panel bodies (1) are provided with a third sink groove (11), and the third sink groove (11) is filled with foam insulation board (6).