Connecting device for building external hanging and building main body

Abstract

The utility model relates to the technical field of building external hanging connection, in particular to a connecting device for a building external hanging and a building main body, which comprises a wall body and an external hanging frame, and is characterized in that connecting bolts are fixedly connected to two sides of the middle part of one side surface of the wall body, the external hanging frame comprises a fixing plate, the top of the fixing plate is fixedly connected with a supporting top plate, and the supporting top plate is fixedly connected with the wall body. One end of the supporting top plate and the bottom of the fixing plate are jointly and fixedly connected with a reinforcing support, and connecting holes are formed in the two sides of the surface of the fixing plate. The utility model has the advantages that the two limiting ratchets can be simultaneously pushed up by upwards pushing the pull rod, so that the ratchet wheel can be unfixed, the tightening nuts can be loosened, the two tightening nuts can be simultaneously loosened through the fixing mode, the elastic sheet and the clamping block do not need to be disassembled one by one, the purpose of convenient disassembly is achieved, and the working efficiency is improved. The pull rod can be hooked by the supporting hook, so that the pull rod does not need to be lifted by one hand, and only the tightening nut needs to be rotated by one hand for tightening.

Description

Technical Field

[0001] The utility model relates to the technical field of building external hanging connection, in particular to a connection device of a building external hanging and a building main body. Background Art

[0002] my country's residential construction is gradually developing towards industrialization. The industrialization of residential construction is to produce wall panels and other components on the building in advance through industrialized workshops, and then install the wall panels and other components on the building frame, which greatly reduces the workload of on-site construction. It can fundamentally improve construction efficiency and reduce construction costs, and can greatly reduce the pollution caused to the environment by on-site construction.

[0003] In Chinese utility model CN213448896U, a connecting device for building external hanging and building main body is disclosed. The connecting device for building external hanging and building main body is provided with a fixing block and a hexagonal nut. A spring piece is fixedly connected to the edge of one side of the top surface of the fixing block. A clamping block is fixedly connected to the side of the top of the spring piece close to the fixed long hole. A ratchet is fixedly connected to the center of one side of the hexagonal nut. A through hole is provided at the center of the ratchet. The shape of the clamping block is a right triangle. The position of the clamping block corresponds to the position of the ratchet. The position of the inclined surface of the clamping block corresponds to the position of the inclined surface of the ratchet. The position of the straight surface of the clamping block corresponds to the position of the straight surface of the ratchet. The clamping block is clamped with the ratchet. After the hexagonal nut is tightened, the clamping block will hook the ratchet to prevent the hexagonal nut from reversing and loosening, thereby improving safety. However, the connecting device for building external hanging and building main body still has the following problems in use:

[0004] The connection device between the building exterior and the building body needs to fix the nut by clamping the clamping block and the ratchet, resulting in that when removing each nut, one needs to pull the clamping block with one hand and turn the nut with the other hand, which is inconvenient to operate. Utility Model Content

[0005] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0006] Therefore, one purpose of the utility model is to provide a connection device between a building exterior and a building main body, so as to solve the problems mentioned in the background technology and overcome the shortcomings existing in the prior art.

[0007] In order to achieve the above-mentioned purpose, an embodiment of one aspect of the utility model provides a connection device between a building exterior and a building main body, including a wall and an exterior bracket, characterized in that: both sides of the middle part of one side of the wall are fixedly connected with connecting bolts, the exterior bracket includes a fixing plate, the top of the fixing plate is fixedly connected with a supporting top plate, one end of the supporting top plate and the bottom of the fixing plate are fixedly connected with a reinforcing bracket, both sides of the surface of the fixing plate are provided with connecting holes, the connecting bolts pass through the fixing plate through the connecting holes, one side of the connecting bolts is threadedly connected with a tightening nut, the tightening nut and the connecting bolts are tightened to achieve the fixing of the fixing plate, both sides of the fixing plate are fixedly connected with two connecting ears, the middle parts of the four connecting ears are slidably connected with a pull rod, the top and middle parts of the pull rods are fixedly connected with a pressure plate, the centers of the bottoms of the two pressure plates are fixedly connected with limiting ratchets, and the centers between the top surfaces of the two pressure plates and the connecting ears are provided with thrust springs, the pressure plate presses the tightening nut under the push of the thrust spring, the tightening nut includes a nut head and a ratchet, and the limiting ratchet is engaged with the ratchet.

[0008] Preferably, any of the above schemes comprises an introduction hole and a fixed strip hole, the fixed strip hole is connected to the top center of the introduction hole, the diameter of the introduction hole is larger than the diameter of the ratchet, and the width of the inner wall of the fixed strip hole is adapted to the diameter of the connecting bolt.

[0009] The technical effect achieved by adopting the above solution is: by sliding the fixing plate, the guide hole slides to the position of the ratchet, and the fixing plate is directly removed without completely unscrewing the tightening nut.

[0010] Preferably, any of the above schemes has a diameter greater than a diameter of the tightening nut, a through hole is provided at the center of the ratchet, and the through hole at the center of the ratchet is connected to the central threaded hole of the tightening nut.

[0011] The technical effect achieved by adopting the above solution is that the clamping area can be increased by the ratchet, thereby improving the tightening effect.

[0012] Preferably, any of the above schemes has a thickness of the limiting ratchet that is smaller than a thickness of the ratchet wheel, and the limiting ratchet wheel limits the loosening rotation direction of the tightening nut after being engaged with the ratchet wheel.

[0013] The technical effect achieved by adopting the above scheme is: the pressure plate is pushed down by the thrust spring, so that the limiting ratchet is stuck in the ratchet wheel to limit the loosening of the tightening nut, thereby improving the stability of the fixation.

[0014] Preferably, any of the above schemes has a support hook rotatably connected to the bottom of the inner wall of the reinforcing bracket, the position of the bottom of the support hook corresponds to the position of the bottom of the pull rod, and when the pull rod is hooked by the support hook, the pressure plate and the limiting ratchet are lifted.

[0015] The technical effect achieved by adopting the above scheme is: by hooking the pull rod with the support hook, the pull rod does not need to be lifted with one hand, and only the tightening nut needs to be turned with one hand to tighten or loosen.

[0016] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0017] 1. The connection device between the building external plug-in and the building main body can push up two limit ratchets at the same time by pushing the pull rod upward, so that the fixation of the ratchet can be released, so that the tightening nut can be loosened. This fixing method can loosen the two tightening nuts at the same time without disassembling the shrapnel and the block one by one, so as to achieve the purpose of easy disassembly.

[0018] 2. The connection device between the building exterior and the building main body can be connected by hooking the pull rod with the support hook, so that there is no need to lift the pull rod with one hand, and only one hand is needed to turn the tightening nut to tighten it. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the external rack of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the tightening nut of the utility model.

[0022] In the figure: 1-wall, 2-fixing plate, 3-support top plate, 4-reinforcement bracket, 5-connecting ear, 6-pull rod, 7-pressure plate, 8-limiting ratchet, 9-thrust spring, 10-tightening nut, 101-nut head, 102-ratchet, 11-introduction hole, 12-fixing strip hole, 13-support hook, 14-connecting bolt. DETAILED DESCRIPTION

[0023] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0024] Embodiment 1: Figures 1 to 3As shown, a device for connecting a building exterior and a building main body, it includes a wall 1 and an exterior bracket, characterized in that: both sides of the middle part of one side of the wall 1 are fixedly connected with connecting bolts 14, the exterior bracket includes a fixing plate 2, the top of the fixing plate 2 is fixedly connected with a supporting top plate 3, one end of the supporting top plate 3 and the bottom of the fixing plate 2 are fixedly connected with a reinforcing bracket 4, both sides of the surface of the fixing plate 2 are provided with connecting holes, the connecting bolts 14 pass through the fixing plate 2 through the connecting holes, one side of the connecting bolts 14 is threadedly connected with a tightening nut 10, and the tightening nut 10 and the connecting The connecting bolts 14 are tightened to fix the fixing plate 2. Two connecting ears 5 are fixedly connected to both side surfaces of the fixing plate 2. A pull rod 6 is slidably connected to the middle parts of the four connecting ears 5. A pressure plate 7 is fixedly connected to the top and the middle part of the pull rod 6. The centers of the bottoms of the two pressure plates 7 are fixedly connected to limit ratchets 8. Thrust springs 9 are provided at the centers between the top surfaces of the two pressure plates 7 and the connecting ears 5. The pressure plate 7 tightens the tightening nut 10 under the push of the thrust spring 9. The tightening nut 10 includes a nut head 101 and a ratchet 102, and the limit ratchet 8 is clamped with the ratchet 102.

[0025] As an optional technical solution of the utility model, the connecting hole includes an introduction hole 11 and a fixed strip hole 12. The fixed strip hole 12 is connected to the top center of the introduction hole 11. The diameter of the introduction hole 11 is larger than the diameter of the ratchet 102. The width of the inner wall of the fixed strip hole 12 is adapted to the diameter of the connecting bolt 14, so that the introduction hole 11 can be slid to the position of the ratchet 102 by sliding the fixing plate 2, and the fixing plate 2 can be directly removed without completely unscrewing the tightening nut 10.

[0026] As an optional technical solution of the present invention, the diameter of the ratchet 102 is larger than the diameter of the tightening nut 10, and a through hole is opened at the center of the ratchet 102. The through hole at the center of the ratchet 102 is connected to the center threaded hole of the tightening nut 10. The ratchet 102 can increase the clamping area and improve the tightening effect.

[0027] As an optional technical solution of the present utility model, the thickness of the limiting ratchet 8 is smaller than the thickness of the ratchet 102. After the limiting ratchet 8 is engaged with the ratchet 102, the loosening rotation direction of the tightening nut 10 is limited. The pressure plate 7 is pushed downward by the thrust spring 9, so that the limiting ratchet 8 is engaged with the ratchet 102 to limit the loosening of the tightening nut 10, thereby improving the stability of the fixation.

[0028] As an optional technical solution of the present utility model, the bottom of the inner wall of the reinforcing bracket 4 is rotatably connected to a support hook 13, and the position of the bottom of the support hook 13 corresponds to the position of the bottom of the pull rod 6. When the pull rod 6 is hooked by the support hook 13, the pressure plate 7 and the limiting ratchet 8 are lifted up. By hooking the pull rod 6 with the support hook 13, the pull rod 6 does not need to be lifted with one hand, and only the tightening nut 10 needs to be turned with one hand to tighten it.

[0029] A device for connecting a building external hanger with a building main body, the working principle is as follows:

[0030] 1) The push plate 7 is pushed downward by the thrust spring 9, so that the limiting ratchet 8 is inserted into the ratchet wheel 102 to limit the loosening of the tightening nut 10, thereby improving the stability of the fixation;

[0031] 2) When disassembly is required, pushing the pull rod 6 upward can simultaneously push up the two limit ratchets 8, thereby releasing the fixation of the ratchet wheel 102, so that the tightening nut 10 can be loosened. This fixing method can simultaneously loosen the two tightening nuts 10 without disassembling the spring pieces and the blocks one by one;

[0032] 3) By hooking the pull rod 6 with the support hook 13, the pull rod 6 does not need to be lifted with one hand, and only the tightening nut 10 needs to be turned with one hand to tighten or loosen.

[0033] To sum up, the connection device between the building exterior and the building body can push up the two limit ratchets 8 at the same time by pushing the pull rod 6 upwards, so that the fixation of the ratchet 102 can be released, so that the tightening nut 10 can be loosened. This fixing method can loosen the two tightening nuts 10 at the same time without disassembling the spring pieces and the blocks one by one, thereby achieving the purpose of easy disassembly. The support hook 13 can hook up the pull rod 6, so that there is no need to lift the pull rod 6 with one hand, and only one hand needs to be used to turn the tightening nut 10 to loosen it.

[0034] Although the embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and cannot be understood as limiting the present invention. Those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present invention without departing from the principles and purpose of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for connecting a building external hanger to a building main body, comprising a wall (1) and an external hanger, characterized in that: Both sides of the middle part of one side of the wall (1) are fixedly connected with connecting bolts (14); the external bracket comprises a fixing plate (2); the top of the fixing plate (2) is fixedly connected with a supporting top plate (3); one end of the supporting top plate (3) and the bottom of the fixing plate (2) are fixedly connected with a reinforcing bracket (4); both sides of the surface of the fixing plate (2) are provided with connecting holes; the connecting bolts (14) pass through the fixing plate (2) through the connecting holes; one side of the connecting bolts (14) is threadedly connected with a tightening nut (10); the tightening nut (10) and the connecting bolts (14) are tightened to fix the fixing plate (2); the fixing plate (2) is fixedly connected with the fixing bolts (14); (2) Two connecting ears (5) are fixedly connected to both side surfaces, and the middle parts of the four connecting ears (5) are slidably connected to a pull rod (6). The top and middle parts of the pull rod (6) are fixedly connected to a pressure plate (7), and the centers of the bottoms of the two pressure plates (7) are fixedly connected to a limiting ratchet (8). A thrust spring (9) is provided at the center between the top surfaces of the two pressure plates (7) and the connecting ears (5). The pressure plate (7) presses the tightening nut (10) under the push of the thrust spring (9), and the tightening nut (10) includes a nut head (101) and a ratchet (102), and the limiting ratchet (8) is engaged with the ratchet (102).

2. The device for connecting a building external hanger to a building main body according to claim 1, characterized in that: The connecting hole comprises an introduction hole (11) and a fixed strip hole (12); the fixed strip hole (12) is connected to the top center of the introduction hole (11); the diameter of the introduction hole (11) is larger than the diameter of the ratchet (102); and the width of the inner wall of the fixed strip hole (12) is adapted to the diameter of the connecting bolt (14).

3. The device for connecting a building external hanger to a building main body according to claim 2, characterized in that: The diameter of the ratchet (102) is greater than the diameter of the tightening nut (10), a through hole is provided at the center of the ratchet (102), and the through hole at the center of the ratchet (102) is connected to the central threaded hole of the tightening nut (10).

4. The device for connecting a building external hanger to a building main body according to claim 3, characterized in that: The thickness of the limiting ratchet (8) is smaller than the thickness of the ratchet wheel (102), and the limiting ratchet (8) limits the loosening rotation direction of the tightening nut (10) after being engaged with the ratchet wheel (102).

5. The device for connecting a building external hanger to a building main body according to claim 4, characterized in that: The bottom of the inner wall of the reinforcing bracket (4) is rotatably connected to a support hook (13), the position of the bottom of the support hook (13) corresponds to the position of the bottom of the pull rod (6), and when the pull rod (6) is hooked by the support hook (13), the pressure plate (7) and the limiting ratchet (8) are lifted.

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