CN216207166U

CN216207166U - Torsion test auxiliary tool for torsion spring

Info

Publication number: CN216207166U
Application number: CN202122246421.0U
Authority: CN
Inventors: 高希龙; 杨明; 仲凡; 冯祝清
Original assignee: Kunshan Licheng Precision Spring Co ltd
Current assignee: Kunshan Licheng Precision Spring Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-04-05
Anticipated expiration: 2031-09-13

Abstract

The utility model discloses a torsion test auxiliary tool for a torsion spring, which comprises: the upper fixed disk, go up the fixed rod, lower fixed disk and lower fixed unit, the upper fixed disk is used for the moving part fixed connection with pressure test machine, the one end and the upper fixed disk of going up the fixed rod are connected, the other end of going up the fixed rod is equipped with the first hole that is used for supplying the first end of torsional spring to penetrate, the direction of the axis perpendicular to moving part motion in first hole, the lower fixed disk is used for fixed connection on pressure test machine's plummer, the one end and the lower fixed disk of lower fixed unit are connected, the other end of lower fixed unit is equipped with the second hole that is used for supplying the second end of torsional spring to penetrate, the axis in second hole is parallel with the axis in first hole, and the second hole is located the below in first hole. The scheme has the advantages of simple structure, low cost, convenient and fast operation and good reliability.

Description

Torsion test auxiliary tool for torsion spring

Technical Field

The utility model relates to the technical field of torsion spring detection, in particular to an auxiliary tool for torsion test of a torsion spring.

Background

The torsion spring needs to be tested whether the torsion force of the torsion spring meets the specified requirements before leaving the factory. A torsion spring 10, as shown in fig. 1, includes a spring body and a first end 110 and a second end 120 respectively disposed at two ends of the spring body, and the first end 110 and the second end 120 are parallel. Since the torsion spring 10 is special in practical application, conventional torsion testing equipment cannot be used to detect the torsion value, and purchasing special testing equipment will result in higher production cost for enterprises. Therefore, how to realize quick, simple and low-cost detection of the torsion spring 10 is a problem that those skilled in the art continuously strive to solve.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the embodiment of the utility model provides an auxiliary tool for torsion test of a torsion spring, which is used for solving the problems.

The embodiment of the application discloses: a torsion test auxiliary tool for a torsion spring is used for being installed on a pressure tester to position the torsion spring, the pressure tester comprises a bearing table, a support arranged on the bearing table and a movable piece arranged on the support, the movable piece is used for applying pressure to an article placed on the bearing table, and the torsion spring comprises a first end and a second end which are parallel to each other; torsional spring torsion test auxiliary fixtures includes: the upper fixed disk, the upper fixed rod, lower fixed disk and lower fixed unit, the upper fixed disk be used for with moving part fixed connection, the one end of upper fixed rod with the upper fixed disk is connected, the other end of upper fixed rod is equipped with and is used for the confession the first hole that the first end of torsional spring penetrated, the axis perpendicular to in first hole the direction of moving part motion, the lower fixed disk is used for fixed connection in on the plummer, the one end of lower fixed unit with the lower fixed disk is connected, the other end of lower fixed unit is equipped with and is used for the confession the second hole that the second end of torsional spring penetrated, the axis in second hole with the axis in first hole is parallel, just the second hole is located the below in first hole.

Specifically, lower fixed unit includes fixed block and lower fixed rod down, the one end of fixed block down with the fixed disk is connected down, the other end of fixed block down with the fixed rod is connected down, the second hole sets up on the fixed rod down.

Specifically, the lower fixing rod is detachably connected with the lower fixing block.

Specifically, the upper fixing bar is detachably connected with the upper fixing disk.

Specifically, the upper fixed disk and the lower fixed disk are made of metal.

Specifically, the upper fixing bar and the lower fixing unit are made of metal.

Specifically, the upper fixed disc is provided with a first threaded hole used for being connected with the movable piece.

Specifically, the lower fixing disc is provided with a second threaded hole used for being connected with the bearing table.

The utility model has at least the following beneficial effects:

1. simple structure, low cost easily operate, when using conventional pressure test machine to carry out the torsion test to the torsional spring, adopt this auxiliary fixtures to fix a position the torsional spring, can improve the reliability and the convenience of torsion test.

2. When torsion springs with similar shapes but different wire diameters need to be tested, only the upper fixing rod and the lower fixing rod with corresponding hole diameters need to be replaced, the universality of the tool is improved, and the cost of the tool is further saved.

In order to make the aforementioned and other objects, features and advantages of the utility model comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a torsion spring in an embodiment of the present invention;

FIG. 2 is a front view of the auxiliary tool for torsion test of the torsion spring in the embodiment of the utility model;

FIG. 3 is a right side view of the auxiliary tool for torsion test of the torsion spring in the embodiment of the utility model.

Reference numerals of the above figures: 1. an upper fixed disc; 11. a first threaded hole; 2. an upper fixing rod; 3. a lower fixed disc; 31. a second threaded hole; 4. a lower fixing unit; 41. a lower fixed block; 42. a lower fixing bar; 10. a torsion spring; 110. a first end; 120. a second end.

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.

As shown in fig. 1 to 3, the torsion spring torsion test auxiliary tool of the present embodiment is used to be mounted on a common pressure testing machine (not shown) to position the torsion spring 10. The pressure tester comprises a bearing platform for bearing an object to be tested, a support arranged on the bearing platform and a movable piece arranged on the support, wherein the movable piece can move towards the bearing platform to apply pressure to the object to be tested placed on the bearing platform, and of course, the pressure tester can also comprise other components or modules for collecting pressure and displaying the pressure. Torsion spring 10 includes a first end 110 and a second end 120 that are parallel to each other.

Referring to fig. 2 and 3, the torsion spring torsion test auxiliary tool of the present embodiment includes an upper fixing plate 1, an upper fixing rod 2, a lower fixing plate 3, and a lower fixing unit 4. The upper fixed disc 1 is fixedly connected with a moving part of the pressure tester and reciprocates along the moving part in the direction towards or away from the bearing table; the one end of going up the fixed rod 2 is connected with upper fixed disk 1, preferred fixed connection, and the other end of going up the fixed rod 2 is equipped with the first hole that is used for supplying first end 110 of torsional spring 10 to penetrate, and this first hole can be the unthreaded hole that both ends link up, and the axis perpendicular to moving part direction in first hole, so, can ensure not following first hole and drop when the first end 110 of torsional spring 10 moves along with the moving part. The lower fixing disc 3 is used for being fixedly connected to a bearing table of the pressure testing machine, one end of the lower fixing unit 4 is connected with the lower fixing disc 3, the fixed connection is optimal, the other end of the lower fixing unit 4 is provided with a second hole for the second end 120 of the torsion spring 10 to penetrate through, the axis of the second hole is parallel to the axis of the first hole, and the second hole is located below the first hole.

Adopt above-mentioned scheme, the theory of operation of the torsional spring torsion test auxiliary fixtures of this embodiment is: when torsion testing needs to be performed on the torsion spring 10, the torsion testing auxiliary tool for the torsion spring can be installed on a pressure testing machine firstly, the upper fixing disc 1 is connected with the moving part, the lower fixing disc 3 is connected with the bearing table, then the first end 110 of the torsion spring 10 penetrates into the first hole of the upper fixing rod 2, the second end 120 penetrates into the second hole of the lower fixing unit 4, then, the pressure testing machine is started, so that the moving part drives the upper fixing disc 1 to move towards the lower fixing disc 3, namely, the first end 110 of the torsion spring 10 moves towards the second end 120, so that the two ends of the torsion spring 10 are compressed, when the two ends of the torsion spring 10 are compressed to a preset distance, pressure readings on the pressure testing machine are read, and the readings are torsion values of the torsion spring 10 under the preset compression distance.

Specifically, as shown in fig. 2 and 3, the lower fixing unit 4 of the present embodiment may include a lower fixing block 41 and a lower fixing rod 42. Generally, the lower fixing block 41 is usually installed on the lower fixing plate 3, one end of the lower fixing block 41 away from the lower fixing plate 3 is connected to the lower fixing rod 42, and a second hole for accommodating the second end 120 of the torsion spring 10 is disposed on the lower fixing rod 42. Preferably, the lower fixing rod 42 can be detachably connected to the lower fixing block 41, so that the torsion spring torsion test auxiliary tool of the present embodiment can have a plurality of lower fixing rods 42, the apertures of the second holes on the lower fixing rods 42 are different, and when the torsion springs 10 with similar shapes but different wire diameters need to be tested, only the lower fixing rods 42 with different diameters need to be installed on the lower fixing block 41. Based on the same reason as above, the upper fixing rod 2 and the upper fixing disk 1 of the present embodiment can also be detachably connected, the auxiliary tool can have a plurality of upper fixing rods 2, and the apertures of the first holes on the plurality of upper fixing rods 2 are different. By adopting the scheme, the universality of the torsion spring torsion test auxiliary tool can be improved, and the tool cost is favorably saved.

Specifically, the upper fixed tray 1 and the lower fixed tray 3 of the present embodiment may be made of metal. The upper fixing rod 2, the lower fixing rod 42 and the lower fixing block 41 may also be made of metal, and preferably, the upper fixing rod 2 and the lower fixing rod 42 may be made of stainless steel. The auxiliary tool made of metal can avoid abrasion of the tool in the test process, and the service life of the tool is prolonged.

Specifically, as shown in fig. 2, a first threaded hole 11 is formed in the upper fixed disk 1 of this embodiment, and the upper fixed disk 1 is connected to a movable member of the pressure testing machine through the first threaded hole 11. The lower fixed disk 3 is provided with a second threaded hole 31, and the lower fixed disk 3 is connected with a bearing platform of the pressure testing machine through the second threaded hole 31.

To sum up, the torsion spring torsion test auxiliary fixtures of this embodiment have following advantage:

1. simple structure, low cost easily operate, when using conventional pressure test machine to carry out torsion test to torsional spring 10, adopt this auxiliary fixtures to fix a position torsional spring 10, can improve the reliability and the convenience of torsion test.

2. When torsion springs 10 which are similar in shape and different in wire diameter need to be tested, only the upper fixing rod 2 and the lower fixing rod 42 with corresponding hole diameters need to be replaced, the universality of the tool is improved, and the cost of the tool is further saved.

The principle and the implementation mode of the utility model are explained by applying specific embodiments in the utility model, and the description of the embodiments is only used for helping to understand the method and the core idea of the utility model; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims

1. A torsion test auxiliary tool for a torsion spring is used for being installed on a pressure tester to position the torsion spring, the pressure tester comprises a bearing table, a support arranged on the bearing table and a movable piece arranged on the support, the movable piece is used for applying pressure to an article placed on the bearing table, and the torsion spring comprises a first end and a second end which are parallel to each other; it is characterized by comprising: the upper fixed disk, the upper fixed rod, lower fixed disk and lower fixed unit, the upper fixed disk be used for with moving part fixed connection, the one end of upper fixed rod with the upper fixed disk is connected, the other end of upper fixed rod is equipped with and is used for the confession the first hole that the first end of torsional spring penetrated, the axis perpendicular to in first hole the direction of moving part motion, the lower fixed disk is used for fixed connection in on the plummer, the one end of lower fixed unit with the lower fixed disk is connected, the other end of lower fixed unit is equipped with and is used for the confession the second hole that the second end of torsional spring penetrated, the axis in second hole with the axis in first hole is parallel, just the second hole is located the below in first hole.

2. The torsion spring torsion test auxiliary tool according to claim 1, wherein the lower fixing unit includes a lower fixing block and a lower fixing rod, one end of the lower fixing block is connected with the lower fixing disc, the other end of the lower fixing block is connected with the lower fixing rod, and the second hole is formed in the lower fixing rod.

3. The torsion spring torsion test auxiliary tool according to claim 2, wherein the lower fixing rod is detachably connected with the lower fixing block.

4. The torsion spring torsion test auxiliary tool according to claim 1, wherein the upper fixing rod is detachably connected with the upper fixing disc.

5. The torsion spring torsion test auxiliary tool according to claim 1, wherein the upper fixed disk and the lower fixed disk are made of metal.

6. The torsion spring torsion test auxiliary tool according to claim 1, wherein the upper fixing rod and the lower fixing unit are made of metal.

7. The torsion spring torsion test auxiliary tool according to claim 1, wherein the upper fixed disc is provided with a first threaded hole for connecting with the movable member.

8. The torsion spring torsion test auxiliary tool according to claim 1, wherein a second threaded hole for connecting with the bearing table is formed in the lower fixing disc.