Node connecting piece of upright quadrangular pyramid bolt sphere node steel structure grid frame

Abstract

The utility model belongs to the technical field of steel structure net racks, and particularly relates to an upright quadrangular pyramid bolt ball joint steel structure net rack joint connecting piece which comprises a bolt ball, a connecting assembly is connected to the bolt ball, the connecting assembly comprises a bolt, the bolt penetrates through a sleeve to be connected with a steel pipe, a sliding groove is formed in the outer wall of the steel pipe, and the sliding groove is connected with the bolt. A protective sleeve is arranged on the outer wall of the steel pipe, a locking bolt is arranged on the protective sleeve, the locking bolt penetrates through the protective sleeve to abut against the steel pipe, and through the protective sleeve and the locking bolt which are arranged on the outer wall of the steel pipe, the protective sleeve can protect the connecting position of the bolt ball and the connecting assembly after the connecting assembly is installed; and compared with the prior art, the practicability is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel structure grids, in particular to a right-placed quadrangular pyramid bolt ball node steel structure grid node connector. Background Art

[0002] The connection construction principle of the bolt-ball node is: first weld the cone head or cover plate with the bolt to the two ends of the steel pipe rod, and put a long hexagonal sleeve (or long hexagonal nut without pattern) on the screw extending out of the cone head or cover plate, and connect the bolt and the sleeve with a pin or a fastening screw. When assembling, directly screw the long hexagonal sleeve to drive the bolt to rotate through the pin or the fastening screw, so that the bolt is screwed into the sphere until the bolt head is tightly attached to the cover plate or cone head. After the intersecting rods are connected in this way, a node is formed, and the tightening degree of the bolt is controlled by the pin.

[0003] In the prior art, the bolt ball has no external protection during use and will rust when exposed to water during long-term use, making it difficult to rotate and disassemble, so it needs to be improved. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the problems existing in the existing right-placed tetrahedral pyramid bolt ball node steel structure grid node connector, the utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a right-placed tetrahedral bolt ball node steel structure grid node connector. Through the protective sleeve and locking bolt arranged on the outer wall of the steel pipe, the protective sleeve can be used to protect the connection between the bolt ball and the connecting assembly after the installation of the connecting assembly is completed to prevent rust due to water during long-term use, which makes it difficult to disassemble. Compared with the existing technology, the practicality is greatly increased.

[0007] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0008] A right-placed tetrahedral pyramid bolt ball node steel structure grid node connector, comprising a bolt ball;

[0009] A connecting assembly is connected to the bolt ball, and the connecting assembly includes a bolt. The bolt passes through a sleeve and is connected to a steel pipe. A sliding groove is opened on the outer wall of the steel pipe. A protective sleeve is arranged on the outer wall of the steel pipe. A locking bolt is arranged on the protective sleeve. The locking bolt passes through the protective sleeve and abuts against the steel pipe.

[0010] As a preferred solution of the upright tetrahedral bolt ball node steel structure grid node connector described in the utility model, the bolt ball includes a screw hole and a protective groove, the screw hole is screwed with the bolt, and the protective groove is used to insert a protective sleeve.

[0011] As a preferred solution of the upright tetrahedral bolt ball node steel structure grid node connector described in the utility model, a pin hole is opened on the bolt, one end of the bolt passes through a steel pipe and is installed with a movable plate and a fixed plate, and a spring is installed between the movable plate and the fixed plate.

[0012] As a preferred solution of the upright tetrahedral bolt ball node steel structure grid node connector described in the utility model, wherein: the fixed plate is fixedly connected to the bolts, the movable plate is slidingly connected to the bolts, and the two ends of the spring are respectively fixedly connected to the fixed plate and the movable plate.

[0013] As a preferred solution of the upright tetrahedral bolt ball node steel structure grid node connector described in the utility model, wherein: a fixing hole is opened on the sleeve, and a pin is inserted into the fixing hole and the pin hole.

[0014] As a preferred solution of the upright tetrahedral pyramid bolt ball node steel structure grid node connector described in the utility model, wherein: the bolt is rotatably connected to the sleeve and the steel pipe.

[0015] As a preferred solution of the upright tetrahedral bolt ball node steel structure grid node connector described in the utility model, wherein: a sliding block is provided on the inner wall of the protective sleeve, the sliding block is located in the sliding groove and is slidably connected to the sliding groove.

[0016] Compared with the prior art, the beneficial effect of the utility model is that through the protective sleeve and the locking bolt arranged on the outer wall of the steel pipe, the protective sleeve can be used to protect the connection between the bolt ball and the connecting assembly after the connecting assembly is installed, to prevent rust due to water during long-term use, making it difficult to disassemble. Compared with the prior art, the practicality is greatly increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution of the implementation of the utility model, the utility model will be described in detail below in combination with the drawings and detailed implementation. Obviously, the drawings described below are only some implementations of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the three-dimensional structure of the connection assembly of the utility model;

[0020] Figure 3 This is a schematic diagram of the three-dimensional structure of the bolt of the utility model;

[0021] Figure 4 This is a schematic diagram of the three-dimensional structure of the casing of the utility model;

[0022] Figure 5 This is a schematic diagram of the cross-sectional structure of the connection component of the utility model.

[0023] In the figure; 100 bolt ball, 110 threaded hole, 120 protective groove, 200 connecting assembly, 210 bolt, 211 pin hole, 212 movable plate, 213 fixed plate, 214 spring, 220 sleeve, 221 fixed hole, 230 latch, 240 steel pipe, 250 sliding groove, 300 protective sleeve, 310 locking bolt. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0025] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0026] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0027] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0028] The utility model provides the following technical solutions: a right-placed tetrahedral pyramid bolt ball node steel structure grid node connector, which can protect the connection between the bolt ball and the connection assembly with a protective sleeve after the connection assembly is installed, to prevent rusting caused by water during long-term use, making it difficult to disassemble.

[0029] Figure 1-Figure 5 The structure diagram of the first embodiment of the utility model is a right-placed tetrahedral bolt ball node steel structure grid node connection piece, please refer to Figure 1-Figure 5 , a right-placed tetrahedral bolt ball node steel structure grid node connector of this embodiment, the main part of which includes a bolt ball 100;

[0030] The bolt ball 100 is connected with a connection assembly 200, and the bolt ball 100 includes a screw hole 110 and a protection groove 120. The screw hole 110 is screwed with the bolt 210, and the protection groove 120 is used to insert the protection sleeve 300. The bolt ball 100 is used to connect with multiple connection assemblies 200, so as to realize the construction of the grid. The screw hole 110 is used to connect with the bolt 210, and the protection groove 120 is used to connect with the protection sleeve 300, so as to improve the protection effect of the protection sleeve 300.

[0031] The connecting assembly 200 includes a bolt 210, which passes through a sleeve 220 and is connected to a steel pipe 240. A sliding groove 250 is provided on the outer wall of the steel pipe 240, and a protective sleeve 300 is provided on the outer wall of the steel pipe 240. A pin hole 211 is provided on the bolt 210. One end of the bolt 210 passes through the steel pipe 240 and is installed with a movable plate 212 and a fixed plate 213. A spring 214 is installed between the movable plate 212 and the fixed plate 213. The fixed plate 213 is fixedly connected to the bolt 210, and the movable plate 212 is slidably connected to the bolt 210. The two ends of the spring 214 are respectively fixedly connected to the fixed plate 213 and the movable plate 212. A fixing hole 221 is provided on the sleeve 220, and a latch 230 is inserted in the fixing hole 221 and the pin hole 211. The bolt 210 is rotatably connected to the sleeve 220 and the steel pipe 240. The connecting assembly 200 is used to The bolt ball 100 is connected, the bolt 210 is used to open a pin hole 211 and carry the fixed plate 213 and the movable plate 212, the movable plate 212 is located in the inner cavity of the steel pipe 240, when the steel pipe 240 applies tension to the bolt 210, the movable plate 212 squeezes the spring 214, so that the impact force on the bolt 210 can be reduced, thereby increasing the service life of the bolt 210, the fixed plate 213 is used to cooperate with the movable plate 212, the sleeve 220 is used to cooperate with the pin hole 211 opened on the bolt 210 on the latch 230 through the fixed hole 221 to be fixedly connected, so as to facilitate the bolt 210 to rotate, and apply pressure to the bolt 210 on the steel pipe 240, and bear the pressure applied by the steel pipe 240 by itself, the steel pipe 240 is used to open a sliding groove 250, and the sliding groove 250 carries the protective sleeve 300 to slide;

[0032] The protective sleeve 300 is provided with a locking bolt 310, which penetrates the protective sleeve 300 and abuts against the steel pipe 240. The inner wall of the protective sleeve 300 is provided with a slider, which is located in the sliding groove 250 and is slidably connected with the sliding groove 250. The protective sleeve 300 is used to protect the connection between the bolt ball 100 and the connecting assembly 200 to prevent rust caused by water during long-term use, which makes it difficult to disassemble. The locking bolt 310 is used to limit the protective sleeve 220 to prevent it from moving, thereby affecting the protective effect. The slider is used to limit the protective sleeve 300 when it slides.

[0033] Combination Figure 1-Figure 5The present embodiment is a right-placed tetrahedral bolt ball node steel structure grid node connector, and the specific working principle is as follows: after the connection between the connecting assembly 200 and the bolt ball 100 is completed, the sleeve 220 is moved and inserted into the protective groove 120, and the protective sleeve 300 is fixed to the steel pipe 240 by the locking bolt 310 to prevent it from moving. The setting of the protective sleeve 300 can prevent rusting due to water during long-term use, and the bolt 210 is provided with a pin hole 211 and a load-bearing fixing plate 213 and a movable plate 212. The movable plate 212 is located in the inner cavity of the steel pipe 240. When the steel pipe 240 applies tension to the bolt 210, the movable plate 212 squeezes the spring 214, thereby reducing the impact force on the bolt 210.

[0034] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A square pyramid bolt ball node steel structure grid node connector, characterized in that: including a bolt ball (100); The bolt ball (100) is connected to a connecting assembly (200), and the connecting assembly (200) includes a bolt (210). The bolt (210) passes through a sleeve (220) and is connected to a steel pipe (240). A sliding groove (250) is provided on the outer wall of the steel pipe (240). A protective sleeve (300) is provided on the outer wall of the steel pipe (240). A locking bolt (210) is provided on the protective sleeve (300). The locking bolt (210) passes through the protective sleeve (300) and abuts against the steel pipe (240).

2. According to claim 1, the upright tetrahedral bolt ball node steel structure grid node connector is characterized in that: The bolt ball (100) comprises a screw hole (110) and a protection groove (120), wherein the screw hole (110) is screwed to the bolt (210), and the protection groove (120) is used for inserting the protection sleeve (300).

3. The upright tetrahedral bolt ball node steel structure grid node connector according to claim 1, characterized in that: The bolt (210) is provided with a pin hole (211), one end of the bolt (210) passes through a steel pipe (240) and is provided with a movable plate (212) and a fixed plate (213), and a spring (214) is provided between the movable plate (212) and the fixed plate (213).

4. The upright tetrahedral bolt ball node steel structure grid node connector according to claim 3 is characterized in that: The fixed plate (213) is fixedly connected to the bolt (210), the movable plate (212) is slidably connected to the bolt (210), and two ends of the spring (214) are respectively fixedly connected to the fixed plate (213) and the movable plate (212).

5. The upright tetrahedral bolt ball node steel structure grid node connector according to claim 1, characterized in that: The sleeve (220) is provided with a fixing hole (221), and a plug pin (230) is inserted into the fixing hole (221) and the pin hole (211).

6. The upright tetrahedral bolt ball node steel structure grid node connector according to claim 1, characterized in that: The bolt (210) is rotatably connected to the sleeve (220) and the steel pipe (240).

7. The upright tetrahedral bolt ball node steel structure grid node connector according to claim 1, characterized in that: The inner wall of the protective sleeve (300) is provided with a sliding block, which is located in the sliding groove (250) and is slidably connected to the sliding groove (250).

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