CN216892813U

CN216892813U - Novel quick-assembly and quick-disassembly connecting structure for grid structure

Info

Publication number: CN216892813U
Application number: CN202220003644.6U
Authority: CN
Inventors: 江庆滨
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-04
Filing date: 2022-01-04
Publication date: 2022-07-05
Anticipated expiration: 2032-01-04

Abstract

The utility model provides a quick-assembly and quick-disassembly connecting structure for a novel grid structure, wherein an external thread is arranged at one end head of a connecting bolt, an integrated boss is arranged at the other end head of the connecting bolt, the connecting bolt penetrates through the middle part of a connecting piece and then is in threaded connection with a bolt ball, rectangular forks are symmetrically arranged at two sides of the connecting piece, a pair of the rectangular forks are respectively in hinged connection with a first connecting body and a second connecting body, one opposite sides of the first connecting body and the second connecting body are in threaded connection with an outer hexagon bolt, and the middle of the first connecting body and the second connecting body is in threaded connection with an outer hexagon long bolt. Because the space truss connection structure has the advantages of simplicity, smallness, flexibility, convenience in loading and unloading, firm connection, unlimited use and reusability, the application range and the performance of the space truss are greatly improved, and the simple convenience, the integrated safety and the general practicability in the novel space truss structure processing manufacture and installation process are finally realized.

Description

Novel quick-assembly and quick-disassembly connecting structure for grid structure

Technical Field

The utility model relates to the technical field of net rack building and connection, in particular to a quick-assembly and quick-disassembly connecting structure for a novel net rack structure.

Background

The net rack is a structural form in a steel structure, is relatively common in the installation of the steel structure, has various appearance models, has a flat plate structure type, an arch structure type, a special-shaped curve structure type, a structural type formed by combining two or more structural types and the like, forms a certain (closed) containing cavity after placing objects on the net rack or building the net rack into a certain model (also can be coated with a film), can be used for multiple purposes such as planting, temporary wind shielding, storage and the like, and is wide in application. No matter which type of net rack is played and important role in people's life, the existing net rack building form is single, ancient boards are not flexible, the universality is not strong, and the construction efficiency is too low, so the convenience of net rack building is always a concern of people, the net rack in the prior art mainly adopts bolt ball nodes or welding ball nodes for connection when in connection, most of the bolt ball nodes are mainly connected, the bolt ball nodes are used for connection, the bolt ball is provided with a plurality of bolt holes with different angles when in connection, high-strength bolts, hexagonal sleeves, cone heads (sealing plates) and steel pipe rods are sequentially connected, the formation of a net rack structure system is realized, net racks with different shapes are formed by combining the bolt balls due to different angles, the existing technology adopts a circumferential weld welding mode between the steel pipe rods and the cone heads (sealing plates), the processing, welding and installation and construction efficiency is low, and the possibility that welding seams crack due to poor welding quality and overload stress at the welding position in the using process possibly exists, so that the safety of the grid structure cannot be completely ensured, certain potential safety hazards exist, and even the personal safety and property safety are endangered, and the application effect of the grid structure is poor compared with that of a novel grid structure.

SUMMERY OF THE UTILITY MODEL

The utility model provides a quick-assembly and quick-disassembly connecting structure for a novel grid structure, and aims to solve the problems that connecting pieces of a grid cannot be simplified, generalized, multipurpose and generalized, high in efficiency and high in repeated utilization rate, materials are saved, and construction cost is reduced in the processing and installation processes.

The utility model provides a quick-assembly and quick-disassembly connecting structure for a novel grid structure, which comprises a connecting bolt, a connecting piece, a first connecting body, a second connecting body, an outer hexagon bolt and an outer hexagon long bolt, wherein an external thread is arranged at one end head of the connecting bolt, an integrated boss is arranged at the other end head of the connecting bolt, the connecting bolt penetrates through the middle of the connecting piece and then is in threaded connection with a bolt ball, rectangular forks are symmetrically arranged at two sides of the connecting piece, the first connecting body and the second connecting body are respectively hinged at a pair of rectangular forks, the outer hexagon bolt is in threaded connection at one opposite side of the first connecting body and the second connecting body, and the outer hexagon long bolt is in threaded connection between the first connecting body and the second connecting body.

Preferably, the connection position of the first connector and the outer hexagonal long bolt is a threaded hole, the connection position of the second connector and the outer hexagonal long bolt is a second through hole, and the first connector and the second connector are both provided with second threaded holes.

Preferably, a pin shaft hole is formed in the rectangular fork, oblong holes are formed in the connecting positions of the first connecting body and the second connecting body with the rectangular fork, and the oblong holes are aligned with the center of the pin shaft hole and then penetrate through the connecting pin shaft to be connected.

Preferably, the middle non-threaded part of the connecting bolt is cylindrical and is provided with symmetrically arranged milling planes through milling.

Preferably, a first circular through hole is formed in the middle of the connecting piece, and the first through hole is in clearance fit connection with the connecting bolt.

Preferably, the threaded ends of the outer hexagon bolts are arranged oppositely and face the center direction of the steel pipe rod piece and are on the same center line.

Compared with the prior art, the utility model has the beneficial effects that: the difficulty in processing, manufacturing and mounting each connecting piece of the net rack is greatly reduced, and the welding workload of the net rack components is reduced or avoided to the maximum extent; each component can be assembled into a plurality of units or a whole on (close to) the ground in a large range or completely, and even directly installed and formed at one time, so that the high-altitude operation is reduced or avoided, the construction safety risk is greatly reduced, and the investment of mechanical equipment such as a crane is reduced or avoided; because the space truss connection structure has the advantages of simplicity, smallness, flexibility, convenience in loading and unloading, firm connection, unlimited use and reusability, the application range and the performance of the space truss are greatly improved, and the purposes of simplicity, convenience, integration, safety, general practicability, application diversity, wide and generalized application, environmental protection, energy conservation, material conservation, construction cost reduction, work efficiency improvement, construction environment improvement and better economic benefit and social benefit are finally realized in the novel space truss structure processing, manufacturing and mounting processes.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a block diagram of the background of the utility model;

FIG. 2 is a structural diagram of a quick-assembly and quick-disassembly connecting structure for a novel grid structure of the utility model;

FIG. 3 is a structural diagram of the use state of the quick-assembly and quick-disassembly connecting structure for the novel grid structure;

FIG. 4 is a structural view of a connecting bolt of the quick-assembly and quick-disassembly connecting structure for a novel grid structure of the utility model;

fig. 5 is a structural view of a first connecting body of the quick-assembly and quick-disassembly connecting structure for a novel grid structure of the utility model;

FIG. 6 is a structural view of a second connecting body of the quick-assembly and quick-disassembly connecting structure for a novel grid structure of the utility model;

FIG. 7 is a front view of the connecting member of the quick-assembly quick-disassembly connecting structure for a novel grid structure of the utility model;

fig. 8 is a side view of the connecting piece of the quick-assembly and quick-disassembly connecting structure for the novel grid structure.

In the figure: the connecting bolt comprises a connecting bolt 1, a boss 101, a plane 102, an external thread 103, a connecting piece 2, a first through hole 201, a rectangular fork 202, a pin shaft hole 203, a first connecting body 3, a long round hole 301, a threaded hole 302, a second threaded hole 303, a second connecting body 4, a second through hole 401, an outer hexagonal bolt 6 and an outer hexagonal long bolt 7.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Example (b): as shown in fig. 2-8, a novel quick-assembly and quick-disassembly connecting structure for grid structure includes a connecting bolt 1, a connecting piece 2, a first connecting body 3, a second connecting body 4, an outer hexagon bolt 6 and an outer hexagon bolt 7, wherein an external thread 103 is provided at one end of the connecting bolt 1, an integrated boss 101 is provided at the other end of the connecting bolt 1, the connecting bolt 1 penetrates through a threaded connecting bolt ball behind the middle of the connecting piece 2, rectangular forks 202 are symmetrically provided at two sides of the connecting piece 2, and the positions of the rectangular forks 202 are respectively and hingedly connected with the first connecting body 3 and the second connecting body 4, the outer hexagon bolt 6 is in threaded connection with one side of the first connecting body 3 opposite to the second connecting body 4, and the outer hexagon bolt 7 is in threaded connection with the middle of the first connecting body 3 and the second connecting body 4.

Further, the connection position of the first connection body 3 and the outer hexagonal long bolt 7 is a threaded hole 302, the connection position of the second connection body 4 and the outer hexagonal long bolt 7 is a second through hole 401, and the first connection body 3 and the second connection body 4 are both provided with a second threaded hole 303.

Furthermore, a pin shaft hole 203 is formed in the rectangular fork 202, an oblong hole 301 is formed in the connecting position of the first connecting body 3, the second connecting body 4 and the rectangular fork 202, and the oblong hole 301 is aligned with the center of the pin shaft hole 203 and then penetrates through the connecting pin shaft for connection.

Further, the middle non-threaded portion of the connecting bolt 1 is cylindrical and has symmetrically arranged milling planes 102 by milling.

Further, a circular first through hole 201 is formed in the middle of the connecting piece 2, and the first through hole 201 is in clearance fit connection with the connecting bolt 1.

Further, the outer hexagonal long bolt 7 is positioned between the first connecting body 3 and the second connecting body 4 and is in threaded connection with the hexagonal locking nut 5.

Further, the thread ends of the outer hexagon bolts 6 are arranged oppositely and face the center direction of the steel pipe rod piece, and are on the same center line.

Example 1: when the device is used, holes are symmetrically drilled at two ends of the head of a steel pipe or square steel to be connected, the size of the drilled holes is in clearance fit with the threaded end of an outer hexagonal bolt 6, firstly, a connecting piece 2 is connected with a first connecting body 3 and a second connecting body 4, then, the connecting bolt 1 passes through the connecting piece 2, the threaded end of the connecting bolt 1 is in threaded connection with a bolt ball, then, an outer hexagonal long bolt 7 passes through a second through hole 401, a hexagonal locking nut 5 is in threaded connection with the outer hexagonal long bolt 7, the outer hexagonal bolt 6 is clamped into a drilled hole at the end part of a round steel pipe or square steel pipe, then, the outer hexagonal long bolt 7 is adjusted to the middle position of the hexagonal locking nut 5, the head (the threaded end) of the outer hexagonal long bolt 7 is aligned with the center of a threaded hole 302 and is in threaded connection, finally, the hexagonal locking nut 5 is rotated to the position shown in figure 2, in the position of fig. 2, the outer hexagonal long bolt 7 is not easy to fall off from the threaded hole 302 of the first connecting body 3 due to the connection limit between the outer hexagonal long bolt 7 and the hexagonal lock nut 5, so that the outer hexagonal long bolt 7 is stably connected, and the connecting piece 2 is further manufactured and molded after being processed by opening a die (casting, forging, and the like). When the circular steel pipe or the square steel pipe is disassembled, the hexagonal locking nut 5 is firstly rotated to the middle position of the outer hexagonal long bolt 7, then the hexagonal end of the outer hexagonal long bolt 7 is rotated to enable the threaded end to be separated from the threaded hole 302 for a certain distance, so that the first connecting body 3 and the second connecting body 4 can be conveniently rotated, the limit of the outer hexagonal bolt 6 is removed, the head of the circular steel pipe or the head of the square steel pipe can be rapidly disassembled, and the whole process of assembling and disassembling the net rack is realized. The structure adopts a standard component structure as much as possible so as to improve the utilization rate and the universality of resources and facilitate purchase, manufacture and replacement. Because the last screw hole of bolt ball is a plurality of, and the angle design is different, so be connected with steel pipe or square steel and can make up into different figurative spatial grid structure, arrange the built-up connection after designing according to the demand, and this structure need not carry out welding process to the member, and the installation is dismantled swiftly conveniently to the dismouting efficiency that has improved spatial grid structure has reduced construction cost, has enlarged its range of application and usage.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A quick-assembly and quick-disassembly connecting structure for a novel grid structure is characterized by comprising a connecting bolt (1), a connecting piece (2), a first connecting body (3), a second connecting body (4), an outer hexagon bolt (6) and an outer hexagon long bolt (7), wherein an external thread (103) is arranged at one end of the connecting bolt (1), an integrated boss (101) is arranged at the other end of the connecting bolt (1), the connecting bolt (1) penetrates through a threaded connecting bolt ball behind the middle part of the connecting piece (2), rectangular forks (202) are symmetrically arranged at two sides of the connecting piece (2), the positions of the rectangular forks (202) are respectively hinged and connected with the first connecting body (3) and the second connecting body (4), and the outer hexagon bolt (6) is in threaded connection at one side opposite to the first connecting body (3) and the second connecting body (4), the middle of the first connecting body (3) and the second connecting body (4) is in threaded connection with an outer hexagonal long bolt (7).

2. The quick-assembly and quick-disassembly connecting structure for the novel grid structure is characterized in that the connecting position of the first connecting body (3) and the outer hexagonal long bolt (7) is a threaded hole (302), the connecting position of the second connecting body (4) and the outer hexagonal long bolt (7) is a second through hole (401), and the first connecting body (3) and the second connecting body (4) are both provided with second threaded holes (303).

3. The quick-assembly and quick-disassembly connecting structure for the novel grid structure is characterized in that a pin shaft hole (203) is formed in the rectangular fork (202), a long circular hole (301) is formed in the connecting position of the first connecting body (3), the second connecting body (4) and the rectangular fork (202), and the long circular hole (301) is aligned with the center of the pin shaft hole (203) and then penetrates through a connecting pin shaft to be connected.

4. A novel quick-assembly and quick-disassembly connecting structure for a grid structure as claimed in claim 1, wherein the middle unthreaded part of the connecting bolt (1) is cylindrical and is provided with symmetrically-arranged milling planes (102) through milling.

5. A novel quick-assembly and quick-disassembly connecting structure for a grid structure as claimed in claim 1, wherein a circular first through hole (201) is arranged in the middle of the connecting piece (2), and the first through hole (201) is in clearance fit connection with the connecting bolt (1).

6. A novel quick-assembly and quick-disassembly connecting structure for a grid structure, as claimed in claim 1, wherein the outer hexagon long bolt (7) is positioned between the first connecting body (3) and the second connecting body (4) and is in threaded connection with a hexagon locking nut (5).

7. A novel quick-assembly and quick-disassembly connecting structure for a grid structure as claimed in claim 1, wherein the thread ends of the outer hexagon bolts (6) are oppositely arranged and all face to the center direction of the steel pipe rod piece and are on the same center line.