Steel structure net rack connecting structure

Abstract

The utility model discloses a steel structure net rack connecting structure, and relates to the technical field of steel structure net rack connecting structures. The steel structure net rack connecting structure comprises a ball head, mounting screw holes are formed in the top, the bottom, the two side walls and the center positions of the front side wall and the rear side wall of the outer wall of the ball head, inserting grooves are formed in the two sides of each mounting screw hole, and a protection assembly is arranged on the outer side of each mounting screw hole. Mounting screw holes are formed in the two ends of the protection assembly, the bottoms of the two ends of the protection assembly are connected with the two inserting grooves in the two sides of the mounting screw holes in an inserted mode respectively, a clamping groove is formed in the bottom end of the outer wall of each inserting groove, and the clamping grooves are connected with the bottom end of the protection assembly in a clamped mode. The corrosion of external foreign matters and rainwater can be reduced, the strength of the steel structure net rack mounted on the mounting screw holes can be ensured, and the use safety and the service life of the steel structure net rack are further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel structure grid connection structures, in particular to a steel structure grid connection structure. Background Art

[0002] The grid can be divided into two types of nodes: welded ball grid and bolted ball grid. The flat grid has a flexible plane shape and can be designed into various shapes. According to the different settings of the web members, it can be divided into: cross truss system, tetrahedral pyramid system, triangular pyramid system and some other systems. When the chord of the grid is perpendicular to the boundary, it is called a straight grid, and when it is oblique to the boundary, it is called an oblique grid. The grid structure is a spatial structure formed by connecting multiple rods through nodes in a certain grid form. It has the advantages of small spatial force, light weight, high rigidity and good seismic performance. It can be used as the roof of buildings such as gymnasiums, theaters, exhibition halls, waiting rooms, stadium stand awnings, hangars and two-way large column spacing workshops.

[0003] However, when the existing bolt ball connection structure is in use, the bolt connection position between itself and the web rod of the steel structure grid is prone to corrosion, thereby reducing its service life and easily reducing the structural strength of the connection between the two. Therefore, we propose a steel structure grid connection structure to solve the above-mentioned problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a steel structure grid connection structure, which solves the problem that the bolt connection position between the steel structure grid and the web rod is easily corroded upward and downward, thereby reducing its service life and easily reducing the structural strength of the connection between the two.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a steel structure grid connection structure, including a ball head, the top, bottom, two side walls and the center of the front and rear side walls of the ball head outer wall are all provided with mounting screw holes, each of the mounting screw holes is provided with slots on both sides, a protective component is provided on the outside of each mounting screw hole, and the bottoms of both ends of the protective component are respectively connected by plugging with two slots on both sides of the mounting screw hole, and the bottom of the outer wall of each slot is provided with a card slot, and the card slot is connected with the bottom of the protective component by card engagement;

[0006] Blocking components are arranged on the other two sides of each of the mounting screw holes, and one end of the blocking component faces the center of the mounting screw hole.

[0007] Preferably, the protection assembly comprises a first card cover and a second card cover, and a notch is provided on the top surfaces of the first card cover and the second card cover in the middle of the opposite surfaces thereof;

[0008] A tenon groove is provided on one side wall surface of the first card cover, and a tenon head for inserting into the tenon groove is provided on one side wall surface of the second card cover;

[0009] A clamping claw is disposed on one side of the bottom surface of the first card cover and the second card cover, and the bottom end of the clamping claw is inserted into the inner cavity of the slot and is connected with the card slot by clamping.

[0010] Preferably, the inner diameter of the mortise is the same as the outer diameter of the tenon, and the two form an embedded structure.

[0011] Preferably, the inner cavities at the notches of the first card cover and the second card cover are both provided with grooves, and the inner cavities of the grooves are provided with sealing rubber rings.

[0012] Preferably, the blocking assembly comprises a return seat, the bottom end of the return seat is connected to the ball head, and a shift rod is inserted into the inner cavity of the return seat;

[0013] A limit screw hole is provided on the top surface of the return seat, and the inner cavity of the limit screw hole is rotatably connected to the limit screw.

[0014] Preferably, a plug hole is provided on the bottom surface of the inner cavity of the circular seat and is located directly below the limiting screw hole, and the inner cavity of the plug hole is plug-connected to the bottom end of the limiting screw.

[0015] Preferably, a limiting groove is provided at one end of the shift rod, and the inner cavity of the limiting groove is engaged and connected with the limiting screw.

[0016] Beneficial Effects

[0017] The utility model provides a steel structure grid connection structure. Compared with the prior art, it has the following advantages:

[0018] Beneficial effects:

[0019] The steel structure grid connection structure can provide a space for the installation screw hole, the slot and the card slot through the ball head, and then the workers can connect the steel structure grid with the ball head through the installation screw hole to form a whole, thereby achieving the purpose of connection, and then the protection component can be installed through the slot and the card slot, so that the steel structure grid installed at the installation screw hole position can be protected, thereby reducing the corrosion of foreign matter and rainwater, so as to ensure the stability of the connection between the two;

[0020] Then, the blocking component can be used to limit the nuts on the steel structure grid, thereby achieving the purpose of thrust prevention, thereby ensuring the strength of the steel structure grid installed on the mounting screw holes, and further improving the safety and life of the steel structure grid. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the explosion structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the cross-sectional structure of the ball head of the utility model;

[0024] Figure 4 This is a schematic diagram of the structure of the protective component of the utility model;

[0025] Figure 5 This is a schematic diagram of the explosion structure of the protection component of the utility model;

[0026] Figure 6 This is a schematic diagram of the structure of the barrier component of the utility model.

[0027] In the figure: 1. ball head; 2. mounting screw hole; 3. protective component; 31. first card cover; 32. second card cover; 33. notch; 34. mortise; 35. tenon; 36. claw; 37. groove; 38. sealing rubber ring; 4. slot; 5. card slot; 6. blocking component; 61. return seat; 62. gear lever; 63. jack; 64. limit screw hole; 65. limit screw. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-3 The utility model provides a technical solution: a steel structure grid connection structure, including a ball head 1, the top, bottom, two side walls and the center of the front and rear side walls of the outer wall of the ball head 1 are all provided with mounting screw holes 2, each of the mounting screw holes 2 is provided with slots 4 on both sides, each of the mounting screw holes 2 is provided with a protective component 3 on the outside, and the bottoms of the two ends of the protective component 3 are respectively connected by plugging with the two slots 4 on both sides of the mounting screw hole 2, and the bottom of the outer wall of each slot 4 is provided with a card slot 5, and the card slot 5 is connected with the bottom end of the protective component 3 by card engagement; each of the mounting screw holes 2 is provided with a blocking component 6 on the other two sides, and one end of the blocking component 6 faces the center of the mounting screw hole 2;

[0030] Through the ball head 1, space can be provided for the installation screw hole 2, the slot 4 and the card slot 5, and then through the installation screw hole 2, it is convenient for the staff to connect the steel structure grid with the ball head 1, so as to form a whole, thereby achieving the purpose of connection, and then through the slot 4 and the card slot 5, the protective component 3 can be snap-fitted and installed, so as to protect the steel structure grid installed at the position of the installation screw hole 2, thereby reducing the corrosion of external foreign matter and rainwater, so as to ensure the stability of the connection between the two, and then through the blocking component 6, the nut on the steel structure grid can be limited, thereby achieving the purpose of thrust prevention, thereby ensuring the strength of the steel structure grid installed on the installation screw hole 2, and further improving the safety and life of the steel structure grid.

[0031] See also Figure 2-Figure 5 The protection component 3 includes a first card cover 31 and a second card cover 32. A notch 33 is provided on the top surface of the first card cover 31 and the second card cover 32 and in the middle of the opposite surfaces of the two. A tenon 34 is provided on one side wall surface of the first card cover 31, and a tenon 35 for plugging into the tenon 34 is provided on one side wall surface of the second card cover 32. A claw 36 is provided on one side of the bottom surface of the first card cover 31 and the second card cover 32, and the bottom end of the claw 36 is plugged into the inner cavity of the slot 4 and is connected to the card slot 5. A groove 37 is provided in the inner cavity of the notch 33 of the first card cover 31 and the second card cover 32, and a sealing rubber ring 38 is provided in the inner cavity of the groove 37.

[0032] The first card cover 31 and the second card cover 32 in the protection component 3 can provide a space for the notch 33 and can also fix the claws 36. When it is necessary to protect the steel structure grid installed at the position of the mounting screw hole 2, the first card cover 31 and the second card cover 32 can be clamped together by plugging the tenon 34 and the tenon 35, so that the two can be clamped on the connecting end of the steel structure grid through the two notches 33, and then the two claws 36 are moved downward along the two slots 4, so that the claws The bottom end of 36 is engaged in the card slot 5, thereby being able to limit the first card cover 31 and the second card cover 32. At this time, the first card cover 31 and the second card cover 32 formed by the combination can protect the steel structure grid installed at the position of the mounting screw hole 2, thereby being able to reduce the corrosion of external foreign matter and rainwater, so as to ensure the stability of the connection between the two. The sealing rubber ring 38 at the notch 33 can make the first card cover 31 and the second card cover 32 seal and engage with the outer wall of the steel structure grid, thereby being able to improve the sealing of the engagement.

[0033] See also Figure 4 , Figure 5The inner diameter of the mortise 34 is the same as the outer diameter of the tenon 35, and the two constitute an embedded structure, which can ensure the stability of the insertion of the two, and thus the first card cover 31 and the second card cover 32 can be combined into a whole.

[0034] See also Figure 2 , Figure 6 The blocking component 6 includes a return seat 61, the bottom end of the return seat 61 is connected to the ball head 1, and a shift rod 62 is inserted into the inner cavity of the return seat 61; a limit screw hole 64 is provided on the top surface of the return seat 61, and the inner cavity of the limit screw hole 64 is rotatably connected to a limit screw 65, and a plug hole 63 is provided on the bottom surface of the inner cavity of the return seat 61 and located directly below the limit screw hole 64, and the inner cavity of the plug hole 63 is plugged and connected with the bottom end of the limit screw 65, and a limit slot is provided at one end of the shift rod 62, and the inner cavity of the limit slot is engaged and connected with the limit screw 65;

[0035] The return seat 61 in the blocking component 6 can be fixed on the ball head 1, and space can be provided for the limiting screw hole 64 and the insertion hole 63, and the gear rod 62 can be inserted and installed. When the nut on the steel structure grid needs to be limited, the gear rod 62 is inserted into the inner cavity of the return seat 61, and one end of the gear rod 62 is against the outside of the nut, and then the limiting screw 65 in the limiting screw hole 64 is rotated. At this time, the limiting screw 65 can be engaged in the limiting groove opened at one end of the gear rod 62, and the bottom end can be inserted into the inner cavity of the insertion hole 63, thereby achieving the purpose of blocking the gear rod 62. Then, the gear rod 62 blocks the nut, thereby preventing the nut from loosening, thereby ensuring the strength of the steel structure grid installed on the installation screw hole 2, and further improving the safety and life of the steel structure grid.

[0036] During operation, the ball head 1 can be used to provide space for the installation screw hole 2, the slot 4 and the card slot 5. Then, through the installation screw hole 2, the staff can conveniently connect the steel structure grid with the ball head 1, so as to form a whole, thereby achieving the purpose of connection. Then, through the slot 4 and the card slot 5, the protective component 3 can be snap-fitted and installed, so as to protect the steel structure grid installed at the position of the installation screw hole 2, thereby reducing the corrosion of external foreign matter and rainwater, so as to ensure the stability of the connection between the two. Then, through the blocking component 6, the nut on the steel structure grid can be limited, thereby achieving the purpose of thrust prevention, thereby ensuring the strength of the steel structure grid installed on the installation screw hole 2, and further improving the safety and life of the steel structure grid.

[0037] The first card cover 31 and the second card cover 32 in the protection component 3 can provide a space for the notch 33 and can also fix the claws 36. When it is necessary to protect the steel structure grid installed at the position of the mounting screw hole 2, the first card cover 31 and the second card cover 32 can be clamped together by plugging the tenon 34 and the tenon 35, so that the two can be clamped on the connecting end of the steel structure grid through the two notches 33, and then the two claws 36 are moved downward along the two slots 4, so that the claws The bottom end of 36 is engaged in the card slot 5, thereby being able to limit the first card cover 31 and the second card cover 32. At this time, the first card cover 31 and the second card cover 32 formed by the combination can protect the steel structure grid installed at the position of the mounting screw hole 2, thereby being able to reduce the corrosion of external foreign matter and rainwater, so as to ensure the stability of the connection between the two. The sealing rubber ring 38 at the notch 33 can make the first card cover 31 and the second card cover 32 seal and engage with the outer wall of the steel structure grid, thereby being able to improve the sealing of the engagement.

[0038] The return seat 61 in the blocking component 6 can be fixed on the ball head 1, and space can be provided for the limiting screw hole 64 and the insertion hole 63, and the gear rod 62 can be inserted and installed. When the nut on the steel structure grid needs to be limited, the gear rod 62 is inserted into the inner cavity of the return seat 61, and one end of the gear rod 62 is against the outside of the nut, and then the limiting screw 65 in the limiting screw hole 64 is rotated. At this time, the limiting screw 65 can be engaged in the limiting groove opened at one end of the gear rod 62, and the bottom end can be inserted into the inner cavity of the insertion hole 63, thereby achieving the purpose of blocking the gear rod 62. Then, the gear rod 62 blocks the nut, thereby preventing the nut from loosening, thereby ensuring the strength of the steel structure grid installed on the installation screw hole 2, and further improving the safety and life of the steel structure grid.

[0039] To sum up, the device can not only protect the steel structure grid installed at the installation screw hole 2, thereby reducing the corrosion of external foreign matter and rainwater, but also ensure the strength of the steel structure grid installed on the installation screw hole 2, further improving the safety and life of the steel structure grid.

[0040] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A steel structure grid connection structure, comprising a ball head (1), wherein the top, bottom, two side walls and the center of the front and rear side walls of the outer wall of the ball head (1) are all provided with mounting screw holes (2), characterized in that: Each of the mounting screw holes (2) is provided with slots (4) on both sides, each of the mounting screw holes (2) is provided with a protective component (3) on the outside, and the bottoms of both ends of the protective component (3) are plugged and connected to the two slots (4) on both sides of the mounting screw hole (2), and the bottom of the outer wall of each slot (4) is provided with a card slot (5), and the card slot (5) is connected to the bottom of the protective component (3) by card engagement; Each of the mounting screw holes (2) is provided with blocking components (6) on the other two sides, and one end of the blocking component (6) faces the center of the mounting screw hole (2).

2. A steel structure grid connection structure according to claim 1, characterized in that: The protection assembly (3) comprises a first card cover (31) and a second card cover (32), and a notch (33) is provided on the top surface of the first card cover (31) and the second card cover (32) and in the middle of the opposite surfaces thereof; A tenon groove (34) is provided on one side wall surface of the first card cover (31), and a tenon (35) for inserting into the tenon groove (34) is provided on one side wall surface of the second card cover (32); A clamping claw (36) is provided on one side of the bottom surface of the first clamping cover (31) and the second clamping cover (32); the bottom end of the clamping claw (36) is inserted into the inner cavity of the slot (4) and is connected to the clamping groove (5) by clamping.

3. A steel structure grid connection structure according to claim 2, characterized in that: The inner diameter of the tenon groove (34) is the same as the outer diameter of the tenon (35), and the two form an embedded structure.

4. A steel structure grid connection structure according to claim 2, characterized in that: The inner cavities of the notches (33) of the first card cover (31) and the second card cover (32) are both provided with grooves (37), and the inner cavities of the grooves (37) are provided with sealing rubber rings (38).

5. The steel structure grid connection structure according to claim 1, characterized in that: The blocking assembly (6) comprises a return seat (61), the bottom end of the return seat (61) is connected to the ball head (1), and a shift rod (62) is inserted into the inner cavity of the return seat (61); A limit screw hole (64) is provided on the top surface of the return seat (61), and a limit screw (65) is rotatably connected to the inner cavity of the limit screw hole (64).

6. A steel structure grid connection structure according to claim 5, characterized in that: An insertion hole (63) is provided on the bottom surface of the inner cavity of the return seat (61) and is located directly below the limiting screw hole (64). The inner cavity of the insertion hole (63) is plug-connected to the bottom end of the limiting screw (65).

7. The steel structure grid connection structure according to claim 5, characterized in that: A limiting groove is provided at one end of the shift rod (62), and the inner cavity of the limiting groove is engaged and connected with the limiting screw (65).

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