CN215722459U

CN215722459U - Easy-to-bend square pipe

Info

Publication number: CN215722459U
Application number: CN202120904705.1U
Authority: CN
Inventors: 高建民; 高淑平
Original assignee: Nanjing Pingpeng Machinery Manufacturing Co ltd
Current assignee: Nanjing Pingpeng Machinery Manufacturing Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2022-02-01
Anticipated expiration: 2031-04-28

Abstract

The utility model discloses an easily-bent square pipe which is characterized by comprising a base pipe with a rectangular cross section, wherein the base pipe comprises two parallel long side plates and two parallel short side plates, the length ratio of the long side plates to the short side plates is not less than 2, a vertical plate coplanar with the short side plates is arranged on the same side of the two short side plates, and an auxiliary plate parallel to the long side plates is arranged on the edge of the vertical plate. The easy-to-bend square tube has the advantages that the structural strength is not obviously reduced, the moment required for bending is small, mechanical damage is not prone to occurring in the bending process, the deformation degree after bending is small, and the required annealing process is simpler than that of a traditional square tube.

Description

Easy-to-bend square pipe

Technical Field

The utility model relates to the technical field of square pipes, in particular to an easily-bent square pipe.

Background

The square pipe, i.e. the square steel pipe, refers to a hollow steel pipe or an aluminum alloy pipe with a square cross section, and has a wide application in production and life due to its high structural strength and small weight. In some instruments and equipment, a square tube is also generally adopted as a structural member, along with the continuous development of product diversification, curved products are more and more, correspondingly, curved structural members are often required to be used in many instruments and equipment, and in the prior art, the square tube is still generally adopted and bent to be used as the structural member.

However, when the bending angle is large, the square tube is easily damaged by fracture, fatigue and the like, and the square tube is easily scrapped, and after the square tube is bent, annealing treatment is usually required, so that the process complexity is increased, and the production period is long.

SUMMERY OF THE UTILITY MODEL

The utility model provides an easy-bending square pipe which has the advantages of being easy to bend, simplifying the bending process and shortening the production period.

The utility model aims to realize the purpose through the following technical scheme, and the easy-to-bend square pipe is characterized in that the square pipe comprises a base pipe with a rectangular section, the base pipe comprises two parallel long side plates and two parallel short side plates, the length ratio of the long side plates to the short side plates is not less than 2, a vertical plate coplanar with the short side plates is arranged on the same side of the two short side plates, and an auxiliary plate parallel to the long side plates is arranged on the edge of the vertical plate.

The utility model is further provided that the thickness ratio of the short-side plate to the long-side plate is not less than 1.5.

The utility model is further provided that two sides of the short side plate are provided with vertical plates.

The utility model further provides that the thickness ratio of the short side plate to the vertical plate is not less than 1.5.

The utility model is further provided that the four corners of the inner side of the base pipe are provided with round corners.

The utility model is further arranged in that at least one partition is arranged on the inner side of the base pipe, and the partition is parallel to the short side plate.

In conclusion, the beneficial effects of the utility model are as follows:

1. the length ratio of the long side plate and the short side plate of the easy-to-bend square tube is not less than 2, so that the base tube is easy to bend on a square parallel to the short side plate, structural damage is not easy to occur in the bending process, in addition, the vertical plate and the auxiliary plate are arranged, the cross section of the easy-to-bend square tube is still square, the strength of the easy-to-bend square tube serving as a structural member is increased, compared with the traditional square tube with the same size and the same material, the easy-to-bend square tube has the advantages that the structural strength is not obviously reduced, the bending required torque is small, mechanical damage is not easy to occur in the bending process, the deformation degree after bending is small, and the required annealing process is simpler than that of the traditional square tube, so that the bending process can be simplified by adopting the easy-to-bend square tube, and the production efficiency is improved;

2. the utility model optimizes the size ratio of each part such as the long side plate, the short side plate, the vertical plate and the like, improves the bending performance and reduces the material consumption while not obviously influencing the overall strength;

3. the utility model further improves the structural strength by arranging the round angle or the clapboard in the base pipe.

Drawings

FIG. 1 is a schematic overall structure diagram of a first embodiment of the present invention;

FIG. 2 is a schematic view of the overall structure of a second embodiment of the present invention;

FIG. 3 is a schematic overall structure diagram of a third embodiment of the present invention;

fig. 4 is a schematic overall structure diagram of a fourth embodiment of the present invention.

In the figure, 1, a base pipe; 101. a long-side plate; 102. a short side plate; 103. a partition plate; 2. a vertical plate; 3. a sub-plate.

Detailed Description

The following detailed description of embodiments of the utility model refers to the accompanying drawings.

The first embodiment is as follows: referring to fig. 1, a square tube easy to bend includes a base tube 1 with a rectangular cross section, the base tube 1 includes two parallel long side plates 101 and two parallel short side plates 102, a length ratio of the long side plates 101 to the short side plates 102 is not less than 2, in this embodiment, 2, and the lengths of the long side plates 101 and the short side plates 102 of the base tube 1 are both based on the outer ring size of the base tube 1. The thickness ratio of the short-side plate 102 to the long-side plate 101 is not less than 1.5, and in this embodiment, 1.5. The same side of the two short side plates 102 is provided with a vertical plate 2 coplanar with the short side plates 102, the edge of the vertical plate 2 is provided with an auxiliary plate 3 parallel to the long side plate 101, and the auxiliary plates 3 on the two vertical plates 2 are not connected but leave a gap. The thickness ratio of the short side plate 102 to the vertical plate 2 is not less than 1.5, and in this embodiment, is 1.5. The four corners of the inner side of the base pipe 1 are provided with round corners. The cross section of the easy-to-bend square tube in the embodiment of the utility model is rectangular and is similar to square, and specifically, the difference between the length and the width of the cross section of the easy-to-bend square tube in the embodiment of the utility model is not more than 10%, namely the difference between the length of the long side plate 101 and the sum of the length of the short side plate 102 and the length of the vertical plate 2 is not more than 10%.

In the embodiment of the utility model, the length ratio of the long side plate 101 to the short side plate 102 of the base pipe 1 is not less than 2, so that the base pipe 1 is easy to bend on a square parallel to the short side plate 102, and is not easy to be structurally damaged in the bending process, and in addition, the vertical plate 2 and the auxiliary plate 3 are arranged, the section of the easy-to-bend square tube in the embodiment of the utility model is still square, the strength of the easy-to-bend square tube when the easy-to-bend square tube is used as a structural member is increased, compared with the traditional square pipe with the same size and the same material, the square pipe easy to bend in the embodiment of the utility model has the advantages that the structural strength is not obviously reduced, the required torque for bending is small, the mechanical damage is not easy to occur in the bending process, the deformation degree after bending is small, the required annealing process is simpler than that of the traditional square tube, therefore, the bending process can be simplified and the production efficiency can be improved by adopting the square tube easy to bend in the embodiment of the utility model. The embodiment of the utility model simultaneously optimizes the size ratio of each part such as the long side plate 101, the short side plate 102, the vertical plate 2 and the like, improves the bending performance and reduces the material consumption while not obviously influencing the overall strength. According to the embodiment of the utility model, the fillet is arranged in the base pipe 1, so that the structural strength is further improved.

Example two: referring to fig. 2, an easily bendable square pipe is different from the first embodiment in that two partition plates 103 are provided on the inner side of the base pipe 1, and the partition plates 103 are parallel to the short side plates 102. The structural strength of the square pipe is improved by providing the partition plate 103.

Third embodiment, referring to fig. 3, an easily bendable square tube is different from the first embodiment in that vertical plates 2 are disposed on both sides of the short side plate 102. The difference between the length and the width of the section of the easy-bending square pipe in the embodiment of the utility model is not more than 10%, namely the difference between the length of the long side plate 101 and the sum of the length of the short side plate 102 and the lengths of the two side vertical plates 2 is not more than 10%.

In the fourth embodiment, referring to fig. 4, the difference between the square tube easy to bend and the third embodiment is that two partition plates 103 are arranged on the inner side of the base tube 1, and the partition plates 103 are parallel to the short side plates 102. The structural strength of the square pipe is improved by providing the partition plate 103.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims

1. The utility model provides an easy bending square tube, its characterized in that, square tube includes that the cross-section is the basic pipe (1) of rectangle, basic pipe (1) includes long sideboard (101) and two parallel short sideboard (102) of two parallels, the length ratio of long sideboard (101) and short sideboard (102) is not less than 2, two the same one side of short sideboard (102) is equipped with riser (2) coplane with short sideboard (102), and the edge of riser (2) is equipped with subplate (3) parallel with long sideboard (101).

2. The square, pliable tube according to claim 1, wherein the ratio of the thickness of the short side plate (102) to the thickness of the long side plate (101) is not less than 1.5.

3. The square tube easy to bend according to claim 1, wherein vertical plates (2) are arranged on two sides of the short side plate (102).

4. A square pipe according to claim 3, wherein the thickness ratio of the short side plate (102) to the vertical plate (2) is not less than 1.5.

5. The square pipe easy to bend according to claim 1, wherein the four corners of the inner side of the base pipe (1) are provided with rounded corners.

6. The square tube of claim 1, wherein the base tube (1) is provided with at least one spacer (103) on the inside, the spacer (103) being parallel to the short side plate (102).