CN215634564U

CN215634564U - Spring pin with hollow structure

Info

Publication number: CN215634564U
Application number: CN202122188697.8U
Authority: CN
Inventors: 叶江; 李亮
Original assignee: Jingjiang Yongheng Automobile Technology Co ltd
Current assignee: Jingjiang Yongheng Automobile Technology Co ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-01-25
Anticipated expiration: 2031-09-10

Abstract

The utility model discloses a spring pin with a hollow structure, which comprises a first metal pipe, a second metal pipe and a spring pin, wherein the front end of the first metal pipe is provided with sawtooth grooves at equal intervals; the second metal tube, the second metal tube is located the top of first metal tube, the left end homogeneous style of second metal tube and first metal tube is connected with first end, the right-hand member homogeneous style of second metal tube and first metal tube is connected with the second end, first metal tube and second metal tube all are half arc structure, the interior lateral surface of first metal tube and second metal tube all coats and has the tungsten carbide coating, the groove has been seted up to the rear end of first metal tube, the outside of accepting the groove is provided with first screw. This hollow structure's spring catch utilizes the tungsten carbide coating to improve this spring catch's wear-resisting, corrosion-resistant and high temperature resistance, is convenient for comprehensively coat the tungsten carbide coating on the spring catch, operates the spring catch, and the combination of easy to assemble.

Description

Spring pin with hollow structure

Technical Field

The utility model relates to the technical field of spring pins, in particular to a spring pin with a hollow structure.

Background

When a heavy truck brakes, a spring pin needs to be installed on a braking structure, and then a spring is installed on the spring pin, so that in order to improve the performance of the braking structure and save manufacturing materials, various spring pins with hollow structures are proposed on the market, but the following problems still exist;

the spring pin of the existing hollow structure is poor in wear resistance, corrosion resistance and high temperature resistance, and is of an integrated structure, due to the limitation of angles, the spring pin is inconvenient to be coated with a coating comprehensively and operated inconveniently, and therefore the spring pin of the hollow structure is provided so as to solve the problems in the prior art.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a spring pin with a hollow structure, which has the characteristics that the wear resistance, corrosion resistance and high temperature resistance of the spring pin are improved by utilizing a tungsten carbide coating, the tungsten carbide coating is conveniently and comprehensively coated on the spring pin, the operation is carried out on the spring pin, and the assembly and the combination are convenient.

In order to achieve the purpose, the utility model provides the following technical scheme: a spring pin of hollow construction comprising:

the front end of the first metal pipe is provided with sawtooth grooves at equal intervals;

the second metal tube, the second metal tube is located the top of first metal tube, the left end homogeneous style of second metal tube and first metal tube is connected with first end, the right-hand member homogeneous style of second metal tube and first metal tube is connected with the second end, the front end equidistant of second metal tube is provided with the sawtooth groove, first metal tube and second metal tube all are half arc structure.

By adopting the technical scheme, the wear resistance, corrosion resistance and high temperature resistance of the spring pin are improved by utilizing the tungsten carbide coating, the tungsten carbide coating is conveniently and comprehensively coated on the spring pin, the spring pin is operated, and the spring pin is convenient to install and combine.

According to a preferred technical scheme of the utility model, the inner side surface and the outer side surface of each of the first metal pipe and the second metal pipe are coated with tungsten carbide coatings, the rear end of the first metal pipe is provided with a bearing groove, and the outer side of the bearing groove is provided with a first screw hole.

By adopting the technical scheme, the tungsten carbide coatings are coated on the inner side and the outer side of the first metal pipe and the second metal pipe, so that the wear resistance of the first metal pipe and the second metal pipe is improved by utilizing the tungsten carbide coatings.

As a preferable technical scheme of the present invention, the rear end of the second metal pipe is fixed with a bearing block at equal intervals, and a second screw hole is formed inside the bearing block.

Through adopting above-mentioned technical scheme, because the rear end of second tubular metal resonator is equidistant to be fixed with and to hold the piece, utilize to hold the piece and carry out being connected of second tubular metal resonator and first tubular metal resonator.

As a preferred technical scheme of the utility model, the bearing blocks and the bearing grooves are arranged in a one-to-one correspondence manner, and the bearing blocks are fixedly connected with the first metal pipe through screws.

By adopting the technical scheme, the bearing blocks and the bearing grooves are arranged in a one-to-one correspondence manner, so that the bearing blocks and the bearing grooves can be conveniently butted.

As a preferable technical scheme of the utility model, the longitudinal sections of the first end head and the second end head are both in a trapezoidal structure, and the inner side surface and the outer side surface of the first end head and the second end head are both coated with tungsten carbide coatings.

By adopting the technical scheme, the inner side surface and the outer side surface of the first end head and the second end head are respectively coated with the tungsten carbide coating, and the tungsten carbide coating is utilized to protect the first end head and the second end head.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the spring pin, the first metal pipe, the second metal pipe and the tungsten carbide coating are arranged, the tungsten carbide coating is coated on the inner side surface and the outer side surface of each of the first metal pipe and the second metal pipe, and the wear resistance, the corrosion resistance and the high temperature resistance of the spring pin are improved by utilizing the tungsten carbide coating;

2. according to the utility model, the first metal pipe and the second metal pipe are arranged, the spring pin is mainly formed by combining the first metal pipe and the second metal pipe, and before the first metal pipe and the second metal pipe are not combined, tungsten carbide coatings are conveniently coated on the first metal pipe and the second metal pipe, and the tungsten carbide coatings are conveniently coated in the sawtooth grooves on the first metal pipe and the second metal pipe, so that the operation is convenient;

3. according to the utility model, the bearing groove and the bearing block are arranged, and the first metal pipe and the second metal pipe are combined through the butt joint of the bearing groove and the bearing block, so that the first metal pipe and the second metal pipe are conveniently installed and combined.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic front view of the overall structure of the present invention;

FIG. 2 is a front sectional view of a first metal tube according to the present invention;

FIG. 3 is a schematic front view of a second metal tube according to the present invention;

fig. 4 is a rear view of the overall structure of the present invention.

In the figure: 1. a first metal tube; 2. a second metal tube; 3. a first end; 4. a second end; 5. a tungsten carbide coating; 6. a sawtooth groove; 7. a receiving groove; 8. a first screw hole; 9. a bearing block; 10. a second screw hole; 11. and (4) screws.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: a spring pin with a hollow structure comprises a first metal pipe 1, a second metal pipe 2, a first end 3, a second end 4, a tungsten carbide coating 5, a sawtooth groove 6, a bearing groove 7, a first screw hole 8, a bearing block 9, a second screw hole 10 and screws 11, wherein as shown in figures 2, 3 and 4, the bearing groove 7 is formed in the first metal pipe 1 at equal intervals, the first screw hole 8 is formed in the outer side of the bearing groove 7, the bearing block 9 is fixed on the rear side surface of the second metal pipe 2 at equal intervals, the bearing blocks 9 and the bearing groove 7 are arranged in a one-to-one correspondence manner, and when the first metal pipe 1 and the second metal pipe 2 need to be combined, the first metal pipe 1 is butted with the second metal pipe 2;

the bearing block 9 on the second metal pipe 2 is inserted into the corresponding bearing groove 7 formed in the first metal pipe 1, the first screw hole 8 on the bearing groove 7 is aligned with the second screw hole 10 in the bearing block 9, and then the screw 11 is inserted into the corresponding second screw hole 10 and first screw hole 8, so that the bearing block 9 is fixed on the first metal pipe 1;

the longitudinal sections of the first metal pipe 1 and the second metal pipe 2 are arc-shaped structures, the interior of the first metal pipe 1 and the second metal pipe 2 after combination is a hollow structure, a first end 3 on the first metal pipe 1 is aligned with a first end 3 on the second metal pipe 2, and a second end 4 on the first metal pipe 1 is aligned with a second end 4 on the second metal pipe 2;

as shown in fig. 1 and 4, the tungsten carbide coatings 5 are respectively arranged on the inner side and the outer side of the first metal pipe 1, the second metal pipe 2, the first end 3 and the second end 4, the tungsten carbide coatings 5 are away from the wear-resistant, high-temperature-resistant and corrosion-resistant properties, and the tungsten carbide coatings 5 are utilized to improve the wear-resistant, corrosion-resistant and high-temperature-resistant properties of the inner side and the outer side of the spring pin with the hollow structure.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the utility model as defined by the appended claims. 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 spring pin of hollow structure which characterized in that: the method comprises the following steps:

the pipe comprises a first metal pipe (1), wherein sawtooth grooves (6) are formed in the front end of the first metal pipe (1) at equal intervals;

second tubular metal resonator (2), second tubular metal resonator (2) are located the top of first tubular metal resonator (1), the left end homogeneous style of second tubular metal resonator (2) and first tubular metal resonator (1) is connected with first end (3), the right-hand member homogeneous style of second tubular metal resonator (2) and first tubular metal resonator (1) is connected with second end (4), the front end equidistant of second tubular metal resonator (2) is provided with serration groove (6), first tubular metal resonator (1) and second tubular metal resonator (2) all are half arc structure.

2. A hollow structured spring pin according to claim 1, wherein: the interior lateral surface of first tubular metal resonator (1) and second tubular metal resonator (2) all coats and has had tungsten carbide coating (5), accepting groove (7) has been seted up to the rear end of first tubular metal resonator (1), the outside of accepting groove (7) is provided with first screw (8).

3. A hollow structured spring pin according to claim 2, wherein: the rear end of the second metal pipe (2) is fixed with a bearing block (9) at equal intervals, and a second screw hole (10) is formed in the bearing block (9).

4. A hollow structured spring pin according to claim 3, wherein: the bearing blocks (9) and the bearing grooves (7) are arranged in a one-to-one correspondence mode, and the bearing blocks (9) are fixedly connected with the first metal pipes (1) through screws (11).

5. A hollow structured spring pin according to claim 2, wherein: the longitudinal sections of the first end (3) and the second end (4) are both in a trapezoidal structure, and the inner side surface and the outer side surface of the first end (3) and the inner side surface and the outer side surface of the second end (4) are both coated with tungsten carbide coatings (5).