Assembly type primary and secondary beam connection

Abstract

The utility model discloses an assembly type main beam and secondary beam connection which comprises a main beam, a plurality of grooves are formed in the two sides of the main beam respectively, secondary beams are inserted into the grooves to form mortise and tenon connection, an upper locking plate is arranged at the top of the main beam, and a lower locking plate is arranged at the position, corresponding to the upper locking plate, of the bottom of the main beam. And the secondary beam is fixed in the main beam through buckling connection between the upper locking plate and the lower locking plate. Compared with the prior art, the secondary beam is fixed in the main beam through mortise and tenon connection and buckle connection, and compared with an existing mode of connection and fixation through steel bars, the mode of mortise and tenon connection and buckle connection is more convenient and faster, and construction efficiency of connection of the primary beam and the secondary beam is higher.

Description

Technical Field

[0001] This utility model relates to the field of prefabricated buildings, and in particular to a prefabricated main and secondary beam connection. Background Technology

[0002] During construction, close coordination and connection of primary and secondary beams can effectively ensure the lifespan of the building and thus protect the safety of the residents. Current methods for connecting primary and secondary beams mostly use steel bars to continuously connect them, which presents problems such as complex installation and difficulty in disassembly of the steel bars. This not only leads to low construction efficiency but also unnecessary cost waste. Therefore, it is necessary to improve and optimize the connection method for primary and secondary beams. Utility Model Content

[0003] The purpose of this invention is to provide a prefabricated main and secondary beam connection to solve the problem of low construction efficiency in existing main and secondary beam connections.

[0004] This utility model mainly provides a prefabricated main and secondary beam connection, including a main beam, with several grooves on both sides of the main beam. Secondary beams are inserted into the grooves to form a tenon and mortise connection. An upper locking plate is provided on the top of the main beam, and a lower locking plate is provided at the bottom of the main beam corresponding to the position of the upper locking plate. The secondary beams are fixed in the main beam by the snap-fit ​​connection between the upper locking plate and the lower locking plate.

[0005] Further technology of this utility model:

[0006] Preferably, a fixing block is provided in the groove, and a plurality of first threaded holes are provided in the groove. The plurality of first threaded holes are evenly distributed on both sides of the fixing block. A first fixing opening is provided on the top of the main beam. The first fixing opening passes through the groove and extends to the bottom of the main beam.

[0007] Preferably, one end of the secondary beam is provided with a connecting end, the connecting end is provided with a connecting port, the connecting end is provided with a plurality of second threaded holes, the plurality of second threaded holes are evenly distributed on the upper and lower sides of the connecting port, the top of the connecting end is provided with a second fixing port, the second fixing port extends to the bottom of the connecting end.

[0008] Preferably, the groove is I-shaped, and the connection between the main and secondary beams is achieved by inserting the secondary beam into the groove.

[0009] Preferably, the groove is tenon-jointed to the connecting end, the plurality of first threaded holes correspond one-to-one with the plurality of second threaded holes and are connected by double-ended bolts, and when the secondary beam is inserted into the main beam, the first fixing port and the second fixing port are aligned and connected.

[0010] Preferably, the bottom of the upper locking plate is provided with a plurality of fixing posts, which pass through the first fixing opening and the second fixing opening and extend out of the bottom of the main beam.

[0011] Preferably, the top of the lower locking plate is provided with several fixing interfaces corresponding to the fixing column. The fixing interfaces are connected to the fixing column by a snap-fit ​​connection, thereby fixing the secondary beam inside the main beam.

[0012] The beneficial effects of this utility model are:

[0013] This utility model uses mortise and tenon joints and snap-fit ​​connections to fix the secondary beam inside the main beam. Compared with the existing method of using steel bars for connection and fixation, the mortise and tenon joint and snap-fit ​​connection method is more convenient and faster, and the construction efficiency of connecting the main and secondary beams is higher.

[0014] Other features and advantages of this invention will be described in detail in the following specific embodiments. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the prefabricated main and secondary beam connection of this utility model;

[0016] Figure 2 This is a schematic diagram of the main beam of this utility model;

[0017] Figure 3 This is a schematic diagram of the secondary beam structure of this utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the locking plate of this utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the lower locking plate of this utility model;

[0020] In the diagram: 10, main beam; 101, groove; 102, fixing block; 103, first threaded hole; 104, first fixing port; 20, secondary beam; 201, connecting end; 202, connecting port; 203, second threaded hole; 204, second fixing port; 30, upper locking plate; 301, fixing column; 40, lower locking plate; 401, fixing interface; 50, double-ended bolt. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0022] Please see Figure 1-5 In this embodiment, a prefabricated main and secondary beam connection is provided, including a main beam 10. Several grooves 101 are provided on both sides of the main beam 10. Secondary beams 20 are inserted into the grooves 101 to form a tenon and mortise connection. An upper locking plate 30 is provided on the top of the main beam 10, and a lower locking plate 40 is provided at the bottom of the main beam 10 corresponding to the position of the upper locking plate 30. The secondary beams 20 are fixed in the main beam 10 by the snap-fit ​​connection between the upper locking plate 30 and the lower locking plate 40.

[0023] Construction methods

[0024] Specifically, such as Figure 1 As shown, the secondary beam 20 is fixed inside the main beam 10 by the upper locking plate 30 and the lower locking plate 40, and the fixation is strengthened by the locking engagement of the upper locking plate 30 and the lower locking plate 40 and the tenon and mortise engagement of the secondary beam 20 and the main beam 10 respectively.

[0025] Specifically, such as Figure 2-3 As shown, the main beam 10 has several grooves 101 on both sides, each groove 101 being I-shaped. A fixing block 102 is located in the center of each groove 101 to increase the contact area and friction during the connection of the secondary beams 20. Several first threaded holes 103 are evenly distributed on both sides of the fixing block 102 within each groove 101. A first fixing opening 104 is located at the top of the main beam 10, extending through the grooves 101 to the bottom of the main beam 10. The secondary beam 20... One end is provided with a connecting end 201, and the connecting end 201 is provided with a plurality of second threaded holes 203 corresponding to a plurality of first threaded holes 103. The plurality of first threaded holes 103 and the plurality of second threaded holes 203 are connected by double-ended bolts 50, thereby fixing the secondary beam 20 inside the main beam 10. The top of the connecting end 201 is provided with a second fixing port 204, which extends to the bottom of the connecting end 201. When the secondary beam 20 is inserted into the main beam 10, the first fixing port 104 and the second fixing port 204 are aligned and connected.

[0026] Specifically, such as Figure 4-5 As shown, the bottom of the upper locking plate 30 is provided with several fixing posts 301. The fixing posts 301 extend from the bottom of the main beam 10 through the first fixing port 104 and the second fixing port 204. The bottom of the main beam 10 is provided with a lower locking plate 40. The top of the lower locking plate 40 is provided with several fixing interfaces 401. The fixing posts 301 are connected to the fixing interfaces 401 to form a snap-fit, thereby strengthening the connection between the main beam 10 and the secondary beam 20.

[0027] In the description of this utility model, it should be noted that the terms "vertical", "up", "down", "horizontal", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and 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 this utility model.

[0028] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0029] The above description is merely an example and illustration of the structure of this utility model. Those skilled in the art can make various modifications or additions to the specific embodiments described or use similar methods to replace them, as long as they do not deviate from the structure of the utility model or exceed the scope defined in the claims, they should all fall within the protection scope of this utility model.

Claims

1. A prefabricated main and secondary beam connection, characterized in that, The main beam (10) includes a main beam (10), and several grooves (101) are provided on both sides of the main beam (10). Secondary beams (20) are inserted into the grooves (101) to form a tenon-and-mortise connection. An upper locking plate (30) is provided on the top of the main beam (10), and a lower locking plate (40) is provided at the bottom of the main beam (10) corresponding to the position of the upper locking plate (30). The secondary beams (20) are fixed in the main beam (10) by the snap-fit ​​connection between the upper locking plate (30) and the lower locking plate (40).

2. The prefabricated main and secondary beam connection according to claim 1, characterized in that, A fixing block (102) is provided in the groove (101), and a plurality of first threaded holes (103) are provided in the groove (101). The plurality of first threaded holes (103) are evenly distributed on both sides of the fixing block (102). A first fixing port (104) is provided on the top of the main beam (10). The first fixing port (104) passes through the groove (101) and extends to the bottom of the main beam (10).

3. The prefabricated main and secondary beam connection according to claim 2, characterized in that, One end of the secondary beam (20) is provided with a connecting end (201), and a connecting port (202) is provided inside the connecting end (201). A plurality of second threaded holes (203) are provided on the connecting end (201), and the plurality of second threaded holes (203) are evenly distributed on the upper and lower sides of the connecting port (202). A second fixing port (204) is provided at the top of the connecting end (201), and the second fixing port (204) extends to the bottom of the connecting end (201).

4. The prefabricated main and secondary beam connection according to claim 1, characterized in that, The groove (101) is I-shaped, and the connection between the main beam and the secondary beam is achieved by inserting the secondary beam (20) into the groove (101).

5. The prefabricated main and secondary beam connection according to claim 3, characterized in that, The groove (101) is tenon-jointed with the connecting end (201), and the plurality of first threaded holes (103) and the plurality of second threaded holes (203) correspond one-to-one and are connected by double-headed bolts (50). When the secondary beam (20) is inserted into the main beam (10), the first fixing port (104) and the second fixing port (204) are aligned and connected.

6. The prefabricated main and secondary beam connection according to claim 5, characterized in that, The bottom of the upper locking plate (30) is provided with several fixing posts (301), which pass through the first fixing port (104) and the second fixing port (204) until they extend out of the bottom of the main beam (10).

7. The prefabricated main and secondary beam connection according to claim 6, characterized in that, The top of the lower locking plate (40) is provided with several fixing interfaces (401) corresponding to the fixing column (301). The fixing interfaces (401) are connected to the fixing column (301) by a snap-fit ​​connection, thereby fixing the secondary beam (20) inside the main beam (10).

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