Prefabricated wallboard dry-type connecting joint
By designing the dry connection node of the prefabricated wall panel and fixing it with the structural beam using plate ribs and connectors, the problems of complex and cost of prefabricated wall panel installation in the prior art are solved, and accurate and efficient installation and reliable connection are achieved.
Patent Information
- Application Number
- CN202421966883.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-14
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-08-14
AI Technical Summary
The installation, connection, positioning and fixing methods of existing prefabricated wall panels are complex, and there are problems of high cost and quality hazards.
A prefabricated wall panel dry-type connection node is designed. By setting up upper and lower plate ribs on the back of the external wall panel and fixed with the structural beam through connecting parts, it is fastened by screws of the upper and lower embedded parts and the top embedded parts to achieve accurate and efficient installation of the wall panel.
The installation process of prefabricated wall panels is simplified, the cost is reduced, the reliability of the connection position is ensured, and the quality hazards are avoided.
Smart Images

Figure CN222976294U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a dry connection node of a precast wall panel, belonging to the technical field of prefabricated buildings. Background Technique
[0002] With the development of building industrialization, prefabricated buildings have been vigorously developed. Prefabricated external wall panels are important enclosing structures of prefabricated buildings. The current prefabricated external wall panels are produced in factories and mechanically installed at the construction site.
[0003] At present, large prefabricated external wall panels for prefabricated buildings are beginning to be widely used. Various composite external wall panels integrate the performance of enclosing, fire prevention, heat preservation, heat insulation, sound insulation, anti-corrosion, anti-seepage and other peripheral enclosing walls to varying degrees. However, the installation, connection, positioning and fixing methods of prefabricated external wall panels are very complex, and there are problems such as high cost and several quality hazards.
[0004] In summary, it is obvious that the existing technology has inconveniences and defects in actual use, so it is necessary to improve it. Content of the Utility Model
[0005] Aiming at the deficiencies in the background technique, the utility model provides a dry connection node of a precast wall panel, which can solve the problem of complex connection of precast wall panels, enable the precast wall panels to be installed accurately and efficiently, and ensure the reliability of the connection position.
[0006] To solve the above technical problems, the utility model adopts the following technical solutions:
[0007] The dry connection node of the precast wall panel includes an external wall panel. There are two vertically arranged plate ribs on the back of the external wall panel. The plate ribs are connected to the structural beam through connecting pieces.
[0008] There are two upper embedded parts symmetrically arranged left and right at the top of the upper plate rib, and two lower embedded parts symmetrically arranged left and right at the bottom of the lower plate rib; a top embedded part is provided at the top end of the structural beam.
[0009] The connecting piece includes a longitudinal plate. A lower cross plate is fixedly connected to the bottom end of the side of the longitudinal plate away from the structural beam, an upper cross plate is fixedly connected to the top end of the side of the longitudinal plate away from the structural beam, a side cross plate is fixedly connected to the middle of the side of the longitudinal plate close to the structural beam, strip-shaped mounting holes are formed in both the lower cross plate and the upper cross plate, and a circular mounting hole is formed in the side cross plate.
[0010] Furthermore, the plate rib and the external wall panel are integrally formed.
[0011] Furthermore, a reserved window is provided at the central position inside the external wall panel, and the reserved window is located between the two vertically arranged plate ribs.
[0012] Furthermore, the upper embedded part and the lower embedded part are symmetrically arranged in the vertical direction.
[0013] Furthermore, vertical screws are provided on the upper embedded part, the lower embedded part, and the top embedded part.
[0014] Furthermore, paired lower stiffening plates are fixedly connected at the joint of the longitudinal plate and the lower cross plate, paired upper stiffening plates are fixedly connected at the joint of the longitudinal plate and the upper cross plate, and paired side stiffening plates are fixedly connected at the joint of the longitudinal plate and the side cross plate.
[0015] Furthermore, the outer surfaces of the lower stiffening plates, the upper stiffening plates, and the side stiffening plates are flush with the side end faces of the longitudinal plate.
[0016] Furthermore, the lower stiffening plates, the upper stiffening plates, and the side stiffening plates are all in the structure of right-angled trapezoids.
[0017] After the present utility model adopts the above technical solutions, compared with the prior art, it has the following advantages:
[0018] The external wall panel is fixedly installed on the outside of the structural beam through the connecting piece. The embedded parts on the back of the external wall panel and the embedded parts at the top of the structural beam are both connected to the connecting piece at the same time, and the connection position is fastened by nuts, so the installation process is convenient, solving the problem of complex connection of precast wall panels;
[0019] The external wall panel can be supported by the connecting pieces below and can also be suspended by the connecting pieces above, making the connected external wall panel firm after installation.
[0020] The present utility model will be described in detail below with reference to the drawings and embodiments. Description of the Drawings
[0021] Figure 1 is the structural schematic diagram of the present utility model;
[0022] Figure 2 is the structural schematic diagram of the external wall panel in the present utility model;
[0023] Figure 3 is Figure 2 the cross-sectional schematic diagram at A-A in
[0024] Figure 4 is the structural schematic diagram of the connecting piece in the present utility model;
[0025] Figure 5 is the cross-sectional schematic diagram of the connecting piece.
[0026] In the figure, 1 is an external wall panel, 11 is a panel rib, 12 is a reserved window, 13 is an upper embedded part, and 14 is a lower embedded part; 2 is a connecting piece, 21 is a longitudinal plate, 22 is a lower transverse plate, 23 is an upper transverse plate, 24 is a side transverse plate, 25 is a strip-shaped installation hole, 26 is a circular installation hole, 27 is a lower rib plate, 28 is an upper rib plate, and 29 is a side rib plate; 3 is a structural beam, and 31 is a top embedded part. Detailed implementation manners
[0027] For a clearer understanding of the technical features, objectives, and effects of the present utility model, the specific implementation manners of the present utility model will now be described with reference to the accompanying drawings.
[0028] As Figures 1-5 As commonly shown, the present utility model provides a dry connection node for a precast wall panel, including an external wall panel 1. There are two panel ribs 11 arranged vertically on the back of the external wall panel 1. The panel ribs 11 are connected to the structural beam 3 through a connecting piece 2, and thus the external wall panel 1 is fixedly installed on the outside of the structural beam 3.
[0029] The panel rib 11 and the external wall panel 1 are integrally formed.
[0030] There is a reserved window 12 at the center position inside the external wall panel 1, and the reserved window 12 is located between the two panel ribs 11 arranged vertically.
[0031] There are two upper embedded parts 13 symmetrically arranged left and right at the top of the upper panel rib 11, and two lower embedded parts 14 symmetrically arranged left and right at the bottom of the lower panel rib 11. The upper embedded part 13 and the lower embedded part 14 are symmetrically arranged in the vertical direction.
[0032] Both the upper embedded part 13 and the lower embedded part 14 are provided with screws arranged in the vertical direction.
[0033] The connecting piece 2 includes a longitudinal plate 21. A lower transverse plate 22 is fixedly connected to the bottom end of the side of the longitudinal plate 21 away from the structural beam 3, an upper transverse plate 23 is fixedly connected to the top end of the side of the longitudinal plate 21 away from the structural beam 3, and a side transverse plate 24 is fixedly connected to the middle part of the side of the longitudinal plate 21 close to the structural beam 3.
[0034] Strip-shaped installation holes 25 are formed in both the lower transverse plate 22 and the upper transverse plate 23. The strip-shaped installation hole 25 in the lower transverse plate 22 is used for the penetration and fixation of the screw of the upper embedded part 13, and the strip-shaped installation hole 25 in the upper transverse plate 23 is used for the penetration and fixation of the screw of the lower embedded part 14. The strip-shaped installation hole 25 can realize the adjustment of the transverse installation error of the external wall panel 1.
[0035] A circular installation hole 26 is formed in the side transverse plate 24, and the circular installation hole 26 is used for the penetration and fixation of the screw of the top embedded part 31.
[0036] The top of the structural beam 3 is provided with a top embedded part 31, and there is a screw arranged in the vertical direction on the top embedded part 31.
[0037] At the connection of the longitudinal plate 21 and the lower cross plate 22, there are paired lower rib plates 27 fixedly connected. At the connection of the longitudinal plate 21 and the upper cross plate 23, there are paired upper rib plates 28 fixedly connected. At the connection of the longitudinal plate 21 and the side cross plate 24, there are paired side rib plates 29 fixedly connected.
[0038] The outer surfaces of the lower rib plates 27, the upper rib plates 28, and the side rib plates 29 are all flush with the side end surface of the longitudinal plate 21.
[0039] The lower rib plates 27, the upper rib plates 28, and the side rib plates 29 are all in a right trapezoid structure and are used to perform the function of enhancing strength.
[0040] The specific working principle of the present utility model:
[0041] The external wall panel 1 is fixedly installed on the outer side of the structural beam 3 through the connecting piece 2. There are two upper embedded parts 13 at the top of the top plate rib 11 on the back of the external wall panel 1, and there are two lower embedded parts 14 at the bottom of the lower plate rib 11. The top of the structural beam 3 is provided with a top embedded part 31. There are screws on the upper embedded part 13, the lower embedded part 14, and the top embedded part 31. The connecting piece 2 is provided with installation holes for the screws on the upper embedded part 13, the lower embedded part 14, and the top embedded part 31 to pass through. The connection position between the connecting piece 2 and the embedded part is fastened by nuts, and the installation process is convenient.
[0042] The external wall panel 1 can be supported by the lower connecting piece 2 and can also be suspended by the upper connecting piece 2, so that the installed external wall panel 1 is firmly connected.
[0043] The above is an example of the best implementation mode of the present utility model, and the parts not described in detail are all common knowledge of those of ordinary skill in the art. The protection scope of the present utility model is subject to the content of the claims, and any equivalent transformation based on the technical inspiration of the present utility model is also within the protection scope of the present utility model.
Claims
1. Prefabricated wall panel dry connection node, characterized by: It comprises an external wall panel (1), the back of the external wall panel (1) having two plate ribs (11) arranged up and down, and the plate ribs (11) are connected to the structural beam (3) via a connecting piece (2); The top of the upper plate rib (11) is provided with two upper embedded parts (13) which are symmetrically arranged on the left and right, and the bottom of the lower plate rib (11) is provided with two lower embedded parts (14) which are symmetrically arranged on the left and right; the top of the structural beam (3) is provided with a top embedded part (31); The connecting member (2) comprises a longitudinal plate (21), wherein a lower transverse plate (22) is fixedly connected to the bottom end of the longitudinal plate (21) on a side away from the structural beam (3), an upper transverse plate (23) is fixedly connected to the top end of the longitudinal plate (21) on a side away from the structural beam (3), and a side transverse plate (24) is fixedly connected to the middle portion of the longitudinal plate (21) on a side close to the structural beam (3), strip-shaped mounting holes (25) are provided in the lower transverse plate (22) and the upper transverse plate (23), and a circular mounting hole (26) is provided in the side transverse plate (24).
2. The prefabricated wall panel dry connection node according to claim 1, characterized in that: The plate ribs (11) and the external wall panel (1) are integrally formed.
3. The prefabricated wall panel dry connection node according to claim 1, characterized in that: A reserved window (12) is provided at the inner center of the external wall panel (1), and the reserved window (12) is located between two plate ribs (11) arranged above and below.
4. The prefabricated wall panel dry connection node according to claim 1, characterized in that: The upper embedded part (13) and the lower embedded part (14) are symmetrically arranged along the vertical direction.
5. The prefabricated wall panel dry connection node according to claim 1, characterized in that: The upper embedded part (13), the lower embedded part (14) and the top embedded part (31) are all provided with screws arranged in the vertical direction.
6. The prefabricated wall panel dry connection node according to claim 1, characterized in that: A pair of lower rib plates (27) are fixedly connected at the connection between the longitudinal plate (21) and the lower transverse plate (22), a pair of upper rib plates (28) are fixedly connected at the connection between the longitudinal plate (21) and the upper transverse plate (23), and a pair of side rib plates (29) are fixedly connected at the connection between the longitudinal plate (21) and the side transverse plate (24).
7. The prefabricated wall panel dry connection node according to claim 6, characterized in that: The facing outer surfaces of the lower rib plate (27), the upper rib plate (28) and the side rib plate (29) are all arranged flush with the side end surface of the longitudinal plate (21).
8. The prefabricated wall panel dry connection node according to claim 7, characterized in that: The lower rib plate (27), the upper rib plate (28) and the side rib plates (29) are all of right-angled trapezoidal structure.