CN219492879U

CN219492879U - Anti-disengaging device for rotation test of output shaft

Info

Publication number: CN219492879U
Application number: CN202123211819.7U
Authority: CN
Inventors: 宋正国; 黄思诚
Original assignee: Dimu Automatic Equipment Suzhou Co ltd
Current assignee: Dimu Automatic Equipment Suzhou Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2023-08-08
Anticipated expiration: 2031-12-20

Abstract

The utility model discloses an output shaft rotation test anti-disengaging device, comprising: the rotary shaft is provided with a first step at one end, the outer diameter of the end of the rotary shaft is smaller than the outer diameter of the middle part of the rotary shaft, the end of the rotary shaft is also provided with a first through hole, the depth of the first through hole is set along the length of the rotary shaft, a second step is arranged in the first through hole, the second step is close to the first step, a first shaft body is arranged in the first through hole, a guide sleeve is sleeved on the first shaft body, and the guide sleeve is close to the second step; a first spring is arranged in the first through hole, and one end of the first spring is propped against the second step. After the test is finished, the output shaft of the part is automatically separated from the rotating shaft, so that the full-automatic production of the part is realized.

Description

Anti-disengaging device for rotation test of output shaft

Technical Field

The utility model relates to the field of torque testing, in particular to an anti-disengaging device for rotation testing of an output shaft.

Background

In the automobile part testing process, the parts are often required to be subjected to torque testing, the output shaft of the rotating parts is required to be tested, the rotating parts are required to rotate smoothly, and the output shaft and the rotating shaft are well separated from each other after the test is completed, so that the design complexity of the testing equipment is increased, the equipment investment is increased, and the investment cost is increased.

Conventional solutions typically employ manual fixing of the output shaft after the part test is completed, and then the rotary test assembly is withdrawn and production continued. Therefore, the working efficiency is low, and continuous full-automatic production is not realized, so that the investment cost is high.

Disclosure of Invention

In order to overcome the defects in the prior art, the embodiment of the utility model provides an anti-disengaging device for rotation test of an output shaft, which automatically disengages from a rotating shaft of a part after the test is completed, so that full-automatic production of the part is realized.

To achieve the above objective, an embodiment of the present application discloses an output shaft rotation test anti-disengagement device, including:

the rotary shaft is provided with a first step at one end, the outer diameter of the end of the rotary shaft is smaller than the outer diameter of the middle part of the rotary shaft, the end of the rotary shaft is also provided with a first through hole, the depth of the first through hole is set along the length of the rotary shaft, a second step is arranged in the first through hole, the second step is close to the first step, a first shaft body is arranged in the first through hole, a guide sleeve is sleeved on the first shaft body, and the guide sleeve is close to the second step; a first spring is arranged in the first through hole, one end of the first spring is propped against the second step, a second shaft body is arranged in the first through hole, the main body of the second shaft body is cylindrical, a first lug and a second lug are arranged on the main body, the first lug and the second lug are respectively arranged at two ends of the main body, one end of the first shaft body is propped against the first lug, the other end of the first spring is propped against the main body, a check ring is sleeved on the second lug, a first groove is arranged in the first through hole, and the check ring is partially arranged in the first groove;

a red part, wherein the rotating shaft is arranged inside the red part, and the red part and the rotating shaft are fixed through welding;

a gray part fixed with the red part, the gray part and the red part are fixed by screw connection, the gray part is provided with a second through hole,

the spring pressing rod is integrally in a convex shape, the spring pressing rod part is arranged in the second through hole, a third through hole is formed in the spring pressing rod, and the third through hole is arranged along the height of the spring pressing rod; one end part of the spring pressing rod with a shorter outer diameter is arranged in the red part, a second spring is sleeved on the spring pressing rod, one end of the second spring is propped against one end of the spring pressing rod with a longer outer diameter, and the other end of the second spring is propped against the inner wall of the second through hole;

and the part output shaft is partially arranged in the second through hole.

Preferably, the other end of the rotating shaft is provided with an internal spline.

Preferably, the second bump portion is disposed within the spring strut.

Preferably, a test head is further arranged in the second through hole of the gray part, and the test head is used for fixing the part output shaft.

The beneficial effects of the utility model are as follows: the anti-disengaging device for the rotation test of the output shaft is smooth in rotation during torque test, and the output shaft of the part and the rotating shaft are automatically disengaged after the test is completed, so that full-automatic production of the part is realized.

The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular description of preferred embodiments, as illustrated in the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a cross-sectional view of an output shaft rotation test anti-disengagement apparatus in an embodiment of the utility model;

reference numerals of the above drawings:

1. a rotation shaft; 11. a first step; 12. a first through hole; 13. a second step; 14. a first shaft body; 15. a guide sleeve; 16. a first spring; 17. a second shaft body; 18. a retainer ring;

2. a red part;

3. grey parts; 31. a second through hole; 32. a test head;

4. a spring compression bar;

5. and a part output shaft.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "bottom", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus 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", "a second", etc. may include one or more of the feature, either explicitly or implicitly.

In order to achieve the above objective, referring to fig. 1, the present utility model provides an anti-disengaging device for rotation test of an output shaft, comprising:

the rotary shaft 1, one end of the rotary shaft 1 is provided with a first step 11, the outer diameter of the end of the rotary shaft 1 is smaller than the outer diameter of the middle part of the rotary shaft 1, the end of the rotary shaft 1 is also provided with a first through hole 12, the depth of the first through hole 12 is set along the length of the rotary shaft 1, a second step 13 is arranged in the first through hole 12, the second step 13 is arranged close to the first step 11, a first shaft body 14 is arranged in the first through hole 12, a guide sleeve 15 is sleeved on the first shaft body 14, and the guide sleeve 15 is arranged close to the second step 13; a first spring 16 is arranged in the first through hole 12, one end of the first spring 16 is propped against the second step 13, a second shaft body 17 is arranged in the first through hole 12, the main body of the second shaft body 17 is cylindrical, a first bump and a second bump are arranged on the main body, the first bump and the second bump are respectively arranged at two ends of the main body, one end of the first shaft body 14 is propped against the first bump, the other end of the first spring 16 is propped against the main body, a retainer ring 18 is sleeved on the second bump, a first groove is formed in the inner part of the first through hole 12, and the retainer ring 18 is partially arranged in the first groove;

a red portion 2, wherein the rotation shaft 1 is disposed inside the red portion 2, and the red portion 2 and the rotation shaft 1 are fixed by welding;

a gray part 3, the gray part 3 and the red part 2 are fixed together, the gray part 3 and the red part 2 are fixed by screw connection, the gray part 3 is provided with a second through hole 31,

the spring pressing rod 4 is integrally in a convex shape, a part of the spring pressing rod 4 is arranged in the second through hole 31, a third through hole is formed in the spring pressing rod 4, and the third through hole is arranged along the height of the spring pressing rod 4; one end part of the spring pressing rod 4 with a shorter outer diameter is arranged in the red part 2, a second spring is sleeved on the spring pressing rod 4, one end of the second spring is propped against one end of the spring pressing rod 4 with a longer outer diameter, and the other end of the second spring is propped against the inner wall of the second through hole 31;

a part output shaft 5, said part output shaft 5 being partially disposed within said second through hole 31.

In this embodiment, referring to fig. 1, an internal spline is disposed at the other end of the rotating shaft 1.

In this embodiment, referring to fig. 1, the second bump portion is disposed in the spring pressing rod 4.

In this embodiment, referring to fig. 1, a test head 32 is further disposed in the second through hole 31 of the gray portion 3, and the test head 32 is used for fixing the part output shaft 5.

With the above structure, please refer to fig. 1, the part output shaft 5 cooperates with the test head 32, the rotation shaft 1 drives the test head 32 to rotate for torque test, the second spring pressure is tightly pressed against the part output shaft 5, when the device is retracted after the test is finished, the spring pressure lever 4 is tightly pressed against the part output shaft 5 to prevent the part output shaft 5 from being separated by the test head 32 until the test assembly is completely separated.

Before the torque test, the spring pressing rod 4 is in an original extending state, the part output shaft 5 is matched with the test head 32 during the test, the spring pressing rod 4 is in a compressed state for the torque rotation test, the test head 32 is withdrawn upwards after the test is completed, and meanwhile, the spring pressing rod 4 directly presses the part output shaft 5 due to the second spring until the part output shaft 5 is completely withdrawn in the test head 32. The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present utility model, the present description should not be construed as limiting the present utility model in view of the above.

Claims

1. An output shaft rotation test anti-disengaging device, comprising:

and the part output shaft is partially arranged in the second through hole.

2. The output shaft rotation test anti-disengagement apparatus of claim 1, wherein the other end of the rotating shaft is provided with an internal spline.

3. The output shaft rotation test anti-disengagement apparatus of claim 1, wherein the second tab portion is disposed within the spring strut.

4. The output shaft rotation test anti-disengagement apparatus of claim 1, wherein a test head is further disposed in the second through hole of the grey portion, the test head being configured to secure the part output shaft.