Fabricated external wall panel for building

Abstract

The utility model provides an external wall panel for a fabricated building, which comprises a first panel, a second panel and a connecting insertion rod, at least one corresponding insertion hole is formed in one side, close to each other, of the first panel and one side, close to each other, of the second panel, and the first panel and the second panel are connected through the connecting insertion rod. A limiting groove is formed in the inserting hole of the first plate and used for limiting the inserting position of the connecting inserting rod, and a locking device used for connecting the inserting rod and locking the first plate connected with the connecting inserting rod is arranged in the inserting hole of the second plate. According to the fabricated external wall panel for the building, an internal hexagonal wrench is used for screwing an internal hexagonal groove so as to drive a worm to rotate, the worm rotates to drive a polygonal worm wheel to rotate, the polygonal worm wheel rotates to drive a polygonal rod to rotate so as to further rotate a threaded rod, and a connecting insertion rod connected with the threaded rod moves rightwards; and then the connecting insertion rods move to drive the plates to be tightly attached, and the connecting firmness degree of the plates is increased.

Description

Technical Field

[0001] The utility model relates to the field of plate connection, in particular to an exterior wall panel for prefabricated buildings. Background Art

[0002] Exterior wall hanging boards are a type of building material used for exterior walls. Exterior wall hanging boards must have basic properties such as corrosion resistance, high temperature resistance, anti-aging, radiation-free, fireproof, insect-proof, and non-deformation. At the same time, they are also required to be beautiful in shape, simple in construction, environmentally friendly and energy-saving. Common exterior wall hanging boards include fiber cement boards, aluminum plastic boards, PVC boards, stones, etc.

[0003] When installing traditional exterior wall panels, the seams at the connection positions of adjacent two exterior wall panels are sealed by connecting plates. Therefore, when installing a large number of exterior wall panels, it is necessary to drill holes one by one and fix them with screws, resulting in low efficiency. A prior art discloses an exterior wall panel for prefabricated buildings (CN217000298U), which includes two plates. Connecting holes are opened on one side of each of the two plates close to each other. Two limiting grooves and two fixing grooves are opened on the inner walls of the two connecting holes. The limiting grooves and the fixing grooves are arranged alternately. A connecting block is arranged inside the two connecting holes. The connecting block is slidably connected to the two connecting holes respectively. Two limiting blocks are fixedly connected to the outer surface of the connecting block. The two limiting blocks are respectively slidably inserted into the four limiting grooves. This exterior wall panel for prefabricated buildings relates to the technical field of prefabricated buildings. Through the cooperation of the connecting holes, the fixing grooves, the first fixing mechanism and the second fixing mechanism, the effect of quickly fixing two adjacent plates together without frequent drilling and screwing is achieved, and the problem that the connection method of traditional exterior wall panels is troublesome and two adjacent exterior wall panels cannot be quickly fixedly connected is solved.

[0004] In the process of implementing the above solution, the inventor found that although the connection is achieved, the connection between the two plates is relatively loose and there is no pulling force to make them approach each other. Therefore, a technical solution capable of increasing the connection firmness of the exterior wall panel is needed to solve the problem that the connection between exterior wall panels in the prior art is loose and the firmness performance is poor. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a technical solution capable of increasing the connection firmness of the exterior wall panel to solve the problem that the connection between exterior wall panels in the prior art is loose and the firmness performance is poor.

[0006] To achieve the above object, the present utility model adopts the following technical solution: An exterior wall panel for prefabricated buildings, comprising: a first plate, a second plate, and a connecting plug rod. At least one corresponding jack is provided on the sides of the first plate and the second plate close to each other for connecting the first plate and the second plate with the connecting plug rod. A limiting groove is provided in the jack of the first plate for limiting the insertion position of the connecting plug rod, and a locking device for connecting the connecting plug rod and locking the first plate connected to the connecting plug rod is provided in the jack of the second plate.

[0007] Preferably, a wedge block is embedded in the part of the connecting plug rod connected to the first plate, and a spring is provided inside the wedge block. When the connecting plug rod is inserted into the first plate, the wedge block is limited in the limiting groove by the elastic action of the spring.

[0008] Preferably, a threaded groove is provided at one end of the connecting plug rod connected to the second plate for connecting with the locking device.

[0009] Preferably, the locking device specifically includes: a threaded rod connected to the threaded groove; a polygonal rod connected to the threaded rod; a sliding plate connected to the polygonal rod; a top spring connected to the sliding plate; wherein, a polygonal turbine is sleeved on the polygonal rod, and the polygonal turbine is linked to a worm; an internal hexagonal groove is provided in the worm.

[0010] Compared with the prior art, the advantages and positive effects of the present utility model are that through the exterior wall panel for prefabricated buildings provided by the present utility model, by using an internal hexagonal wrench to screw the internal hexagonal groove to drive the worm to rotate, the rotation of the worm drives the polygonal turbine to rotate, the rotation of the polygonal worm gear drives the polygonal rod to rotate and then the threaded rod to rotate, and the connecting plug rod connected to the threaded rod realizes a rightward movement, and thus the movement of the connecting plug rod drives the plates to be closely attached, increasing the connection firmness of the plates. Description of the Drawings

[0011] Figure 1 Schematic diagram of an exterior wall panel for prefabricated buildings provided by the present utility model;

[0012] Figure 2 Schematic diagram of the cross-section of an exterior wall panel for prefabricated buildings provided by the present utility model;

[0013] Legend: 1. An exterior wall panel 1 for prefabricated buildings; 2. The first plate; 21. Limiting groove; 22. Wedge block; 23. Spring; 3. The second plate; 31. Threaded groove; 32. Locking device; 321. Threaded rod; 322. Polygonal rod; 323. Sliding plate; 324. Top spring; 325. Polygonal turbine; 326. Worm; 327. Internal hexagonal groove; 4. Connecting plug rod; 5. Jack. Detailed Embodiment

[0014] In order to more clearly understand the above-mentioned objects, features and advantages of the present utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0015] In the following description, many specific details are set forth in order to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Therefore, the present utility model is not limited by the specific embodiments disclosed in the following specification.

[0016] Please refer to Figures 1 to 2 , the present utility model provides a technical solution: an exterior wall panel 1 for prefabricated buildings, including: a first plate 2, a second plate 3 and a connecting plug 4. At least one corresponding jack 5 is provided on the sides of the first plate 2 and the second plate 3 close to each other for connecting the first plate 2 and the second plate 3 by the connecting plug 4. A limiting groove 21 is provided in the jack 5 of the first plate 2 for defining the insertion position of the connecting plug 4, and a locking device 32 is provided in the jack 5 of the second plate 3 for connecting the connecting plug 4 and locking the first plate 2 connected to the connecting plug 4.

[0017] Specifically, one corresponding jack 5 can be provided on the sides of the first plate 2 and the second plate 3 close to each other, or multiple corresponding jacks 5 can be provided, and then the connection is realized through multiple connecting plugs 4. It can be understood that the first plate 2 and the second plate 3 are only used to illustrate the connection relationship between the two plates. Of course, the connection between multiple plates is also possible. For example, a jack 5 is provided at the center position between the adjacent sides of the first plate 2 and the second plate 3 and then connected by a connecting plug 4, and jacks 5 are provided at both ends between the adjacent sides of the second plate 3 and the third plate and then connected by a connecting plug 4. It can be understood that the limitation on the number of jacks 5 between the plates obviously does not constitute a limitation on the specific protection scope of the present application.

[0018] Further, a wedge block 22 is embedded in the part of the connecting plug 4 connected to the first plate 2, and a spring 23 is provided inside the wedge block 22. When the connecting plug 4 is inserted into the first plate 2, the wedge block 22 is limited in the limiting groove 21 under the elastic action of the spring 23.

[0019] Specifically, a limiting groove 21 is provided in the jack 5 of the first plate 2. A wedge block 22 is provided on the part of the connecting plug 4 for inserting into the first plate 2, and the wedge block 22 is ejected into the limiting groove 21 through the spring 23 inside the wedge block 22 to further limit the position of the connecting plug 4 on the first plate 2.

[0020] Further, a threaded groove 31 is provided at one end of the connecting plug 4 connected to the second plate 3 for connecting with the locking device 32.

[0021] The locking device 32 specifically includes: a threaded rod 321 connected to the threaded groove 31; a polygonal rod 322 connected to the threaded rod 321; a sliding plate 323 connected to the polygonal rod 322; a top spring 324 connected to the sliding plate 323; wherein, a polygonal turbine 325 is sleeved on the polygonal rod 322, and the polygonal turbine 325 is linked to a worm 326; an internal hexagonal groove 327 is provided in the worm 326.

[0022] Specifically, the threaded rod 321 of the locking device 32 is connected to the threaded groove 31 of the connecting plug rod 4, and the other end of the threaded rod 321 is sequentially connected to the polygonal rod 322, the sliding plate 323, and the top spring 324. And a worm 326 is sleeved on the polygonal rod 322, and an internal hexagonal groove 327 is provided in the worm 326.

[0023] During operation, first insert the connecting plug rod 4 into the jack 5 of the first plate 2. Under the action of the spring 23, the wedge block 22 falls into the limiting groove 21 to limit the position of the connecting plug rod 4. Then, the jack 5 of the second plate 3 is sleeved on the plug rod. At this time, the threaded rod 321 and the threaded groove 31 are squeezed under the action of the top spring 324. Then, use an internal hexagonal wrench to rotate the internal hexagonal groove 327 to drive the worm 326 to rotate. The rotation of the worm 326 drives the polygonal turbine 325 to rotate. The rotation of the polygonal worm drives the polygonal rod 322 to rotate and further drives the threaded rod 321 to rotate the connecting plug rod 4 to move to the right. Further, the movement of the plug rod drives the first plate 2 and the second plate 3 to be close to each other, increasing the connection firmness.

[0024] The above is only a preferred embodiment of the present invention, and it is not a limitation of the present invention in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical solution content of the present invention, any simple modification, equivalent change, and modification made to the above embodiments based on the technical essence of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. An assembled building exterior wall panel, characterized in that: include: A first plate, a second plate and a connecting rod, wherein at least one side of the first plate and the second plate close to each other is provided with a corresponding socket for connecting the first plate and the second plate by the connecting rod, a limiting groove is provided in the socket of the first plate for limiting the insertion position of the connecting rod, and a locking device is provided in the socket of the second plate for connecting the rod and locking the first plate connected to the connecting rod.

2. The assembled building exterior wall panel according to claim 1, characterized in that: A wedge is embedded in the connecting portion of the connecting rod and the first plate, and a spring is arranged inside the wedge so that when the connecting rod is inserted into the first plate, the wedge is limited in the limiting groove by the elastic action of the spring.

3. The assembled building exterior wall panel according to claim 1, characterized in that: A threaded groove is provided at one end of the connecting rod connected to the second plate for connecting with the locking device.

4. The assembled building exterior wall panel according to claim 3, characterized in that: The locking device specifically comprises: a threaded rod connected to the thread groove; A polygonal rod connected to the threaded rod; a sliding plate connected to the polygonal rod; A top spring connected to the sliding plate; The polygonal rod is sleeved with a polygonal turbine, and the polygonal turbine is connected with a worm; the worm is provided with an inner hexagonal groove.

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