CN220320046U

CN220320046U - Box frame connection structure

Info

Publication number: CN220320046U
Application number: CN202321487817.7U
Authority: CN
Inventors: 谭巧华; 王海华
Original assignee: Nanjing Yeeu Air Conditioning Fitting Co ltd
Current assignee: Nanjing Yeeu Air Conditioning Fitting Co ltd
Priority date: 2023-06-12
Filing date: 2023-06-12
Publication date: 2024-01-09
Anticipated expiration: 2033-06-12

Abstract

The utility model discloses a box body frame connecting structure which comprises a plurality of square steels, wherein the square steels form a frame structure, a cavity is formed in each square steel, a mounting hole is formed in each square steel, a fastening block is arranged in each mounting hole, connecting pieces are arranged at the end parts of each three square steels, limiting holes are formed in the surfaces, connected with the square steels, of the connecting pieces, fastening holes are formed in the surfaces, opposite to the limiting holes, of the connecting pieces, fastening bolts are arranged in the connecting pieces and connected with the fastening blocks, and the square steels are fixed on the connecting pieces. This box frame connection structure has set up the fastening piece through on square steel, has set up fastening bolt on the connecting piece, through fastening bolt and fastening piece threaded connection, forms a taut state, and the bolt just can not expose like this, and is more pleasing to the eye, from the taut fastening mode in inside moreover for also can not become flexible in long-term use, it is more firm, it is more convenient to use.

Description

Box frame connection structure

Technical Field

The utility model belongs to the technical field of connecting structures, and particularly relates to a box frame connecting structure.

Background

The traditional box frame connecting structure is characterized in that square steel is fixed together from the outside through bolts or bolts, so that the connection is not attractive enough on one hand, and on the other hand, the bolts or the bolts are easy to loosen in long-term use, so that the connection is not firm, and the use is inconvenient.

Disclosure of Invention

The present utility model is directed to a box frame connecting structure, which solves the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a box frame connection structure comprises

The square steel forms a frame structure, the square steel is provided with a cavity, the square steel is provided with a mounting hole, and a fastening block is arranged in the mounting hole;

the end parts of every three square steels are provided with connecting pieces;

limiting holes are formed in the surfaces, connected with the square steel, of the connecting piece, fastening holes are formed in the surfaces, opposite to the limiting holes, of the connecting piece, fastening bolts are arranged in the connecting piece and are connected with the fastening blocks, and the square steel is fixed on the connecting piece.

Preferably, a protective frame is arranged on the connecting piece at a position of square steel, and the protective frame is inserted into the cavity.

In any of the above solutions, preferably, the fastening block is provided with a threaded hole, and the threaded hole faces the connecting piece.

Preferably in any of the above schemes, the fastening bolt comprises a threaded rod and a mounting head arranged at one end of the threaded rod, the diameter of the mounting head is larger than that of the threaded rod, the threaded rod is in threaded connection with the threaded hole, the diameter of the limiting hole is not smaller than that of the threaded rod and smaller than that of the mounting head, and the diameter of the fastening hole is larger than that of the mounting head.

In any of the above schemes, preferably, a gasket is arranged at the joint of the connecting piece and the square steel.

The utility model has the technical effects and advantages that: this box frame connection structure has set up the fastening piece through on square steel, has set up fastening bolt on the connecting piece, through fastening bolt and fastening piece threaded connection, forms a taut state, and the bolt just can not expose like this, and is more pleasing to the eye, from the taut fastening mode in inside moreover for also can not become flexible in long-term use, it is more firm, it is more convenient to use.

Drawings

FIG. 1 is a schematic view of the structure of the case of the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model at A;

FIG. 3 is a schematic diagram of the layout structure at A of the present utility model;

FIG. 4 is a schematic view of the structure of three square steels according to the present utility model;

FIG. 5 is a schematic view of the structure of the fastening block of the present utility model;

FIG. 6 is a schematic view of the connection of the fastening bolt and the fastening block according to the present utility model;

FIG. 7 is a schematic view of a connector according to the present utility model

Fig. 8 is a schematic view of another view of the connector of the present utility model.

In the figure: 1. square steel; 11. a mounting hole; 12. a cavity; 2. a connecting piece; 21. a fastening hole; 22. a limiting hole; 23. a protective frame; 3. a fastening block; 31. a threaded hole; 4. a gasket; 5. a fastening bolt; 51. a threaded rod; 55. and (5) installing a head.

Detailed Description

The following describes the embodiments of the present utility model further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.

The utility model provides a box frame connecting structure as shown in figures 1-8, comprising

The square steel 1 is made of metal, a layer of plastic is wrapped on the outer surface of the square steel 1, the square steel 1 forms a frame structure, a hollow cavity 12 is formed in the middle of the square steel 1, a mounting hole 11 is formed in the square steel 1, a fastening block 3 is placed in the mounting hole 11, the fastening block 3 can be detached, a threaded hole 31 is formed in the fastening block 3, and the threaded hole 31 faces the direction of the connecting piece 2, as shown in FIG. 8;

a connecting piece 2 is arranged at the end part of each three square steels 1, and the connecting piece 2 is square;

the face that is connected with square steel 1 on connecting piece 2 is opened there is spacing hole 22, and open on spacing hole 22 relative face has fastening hole 21, three respectively towards the fastening bolt 5 of three square steel 1 in the connecting piece 2, fastening bolt 5 includes threaded rod 51 and installation head 52, the diameter of installation head 52 is greater than the diameter of threaded rod 51, threaded rod 51 and threaded hole 31 threaded connection, fasten the fastening piece 3 together with connecting piece 2, the diameter of spacing hole 22 is not less than threaded rod 51, threaded rod 51 can pass in spacing hole 22 like this, and be less than installation head 52, installation head 52 can not pass from spacing hole 22 like this, can fasten the fastening piece 3 together with connecting piece 2, the diameter of fastening hole 21 is greater than installation head 52, easy to assemble, be located square steel 1's position on the connecting piece 2 has square guard frame 23, and be less than square steel 1's diameter for guard frame 23 inserts in cavity 12, connecting piece 2 and square steel 1 junction is provided with gasket 4.

This box frame connection structure is in the in-process of using, put into square steel 1 with fastening piece 3, then place connecting piece 2 to the tip of three square steel 1, put into the inside of connecting piece 2 with fastening bolt 5, be connected with fastening piece 3 through the instrument, accomplish the fastening installation.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims

1. A box frame connection structure, its characterized in that: comprising

The square steel (1) is provided with a cavity (12), the square steel (1) is provided with a mounting hole (11), and a fastening block (3) is arranged in the mounting hole (11);

the end parts of every three square steels (1) are provided with connecting pieces (2);

limiting holes (22) are formed in the surfaces, connected with the square steel (1), of the connecting piece (2), fastening holes (21) are formed in the surfaces, opposite to the limiting holes (22), of the connecting piece (2), fastening bolts (5) are arranged in the connecting piece (2), the fastening bolts (5) are connected with the fastening blocks (3), and the square steel (1) is fixed on the connecting piece (2).

2. A tank frame connection structure according to claim 1, wherein: the connecting piece (2) is provided with a protective frame (23) at the position of the square steel (1), and the protective frame (23) is inserted into the cavity (12).

3. A tank frame connection structure according to claim 1, wherein: the fastening block (3) is provided with a threaded hole (31), and the threaded hole (31) faces the connecting piece (2).

4. A tank frame connection structure according to claim 2, wherein: the fastening bolt (5) comprises a threaded rod (51) and a mounting head (52) arranged at one end of the threaded rod (51), the diameter of the mounting head (52) is larger than that of the threaded rod (51), the threaded rod (51) is in threaded connection with the threaded hole (31), the diameter of the limiting hole (22) is not smaller than that of the threaded rod (51) and smaller than that of the mounting head (52), and the diameter of the fastening hole (21) is larger than that of the mounting head (52).

5. A tank frame connection structure according to claim 1, wherein: a gasket (4) is arranged at the joint of the connecting piece (2) and the square steel (1).