Shock absorber torsion angle measuring device

Abstract

The utility model discloses a shock absorber torsion angle measuring device, which comprises a fixed seat, a connecting rod, a sliding sleeve, a detection rod and a tension spring, the fixed seat is connected with the connecting rod, the bottom of the connecting rod is connected with the sliding sleeve, the detection rod can be arranged on the sliding sleeve in a sliding manner, the tension spring is sleeved on the detection rod, one end of the tension spring is connected with the detection rod, and the other end of the tension spring is connected with the detection rod. And the other end is connected with the sliding sleeve. The utility model has the advantages that the convenience of detection and the accuracy of detection data can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of shock absorber, specifically relates to a shock absorber torsion angle measuring device. BACKGROUND

[0002] The fork arm of the air spring strut is pulled by the suspension and the torsion angle of the fork arm relative to the fixed end of the upper air chamber is generated under the whole vehicle working condition (including the up and down bounce stroke and the steering stroke of the vehicle), the torsion angle is composed of two parts, one is the torsion caused by the deformation of the vehicle bounce suspension, and the other is the torsion caused by the steering of the vehicle. The generation of the torsion of the air spring strut is caused by the whole vehicle suspension structure, and cannot be avoided in the actual application scene; the size of the torsion angle directly affects the service life of the air spring strut, and determines the design factors such as the air spring structure, the rotation stopping mode and the abnormal sound elimination, so it is particularly important to measure and obtain the torsion angle of the air spring.

[0003] In the prior art, when measuring the torsion angle of the air spring, the air spring is first installed on the tooling and the fork on the bench, and the upper air chamber and the shock absorber of the air spring are fixed by the tooling and the fork; after the air spring strut is installed, it is reset, the air spring strut is adjusted to the design height, and then a marker pen or a small knife is used to draw a line on the outer wall of the shock absorber as a marking reference. When the bench is moving up, down and steering, the marking on the upper air chamber of the air spring will be relatively dislocated with the marking line made on the shock absorber, and the torsion angle of the air spring strut can be calculated by the dislocation distance between the two marking lines.

[0004] However, the distance between the upper air chamber and the shock absorber in the above-mentioned manual measurement method is far, which is difficult to accurately measure, and errors are prone to occur, resulting in unstable measurement data, low efficiency, and the accuracy and authenticity of the measurement data cannot meet the requirements, affecting the measurement result. UTILITY MODEL CONTENTS

[0005] The technical problem to be solved by the utility model is how to improve the accuracy of the measurement data of the torsion angle of the shock absorber.

[0006] To solve the above technical problems, the utility model provides the following technical scheme:

[0007] A shock absorber torsion angle measuring device, comprising a fixing seat, a connecting rod, a sliding sleeve, a detection rod and a tension spring, the fixing seat is connected with the connecting rod, the bottom of the connecting rod is connected with the sliding sleeve, the detection rod is slidably arranged on the sliding sleeve, the tension spring is sleeved on the detection rod, one end of the tension spring is connected with the detection rod, and the other end is connected with the sliding sleeve.

[0008] The measuring device can effectively improve the convenience of detection and the accuracy of detection data.

[0009] Preferably, the fixing seat is arc-shaped.

[0010] Preferably, the fixing seat is rectangular.

[0011] Preferably, an adhesive layer is provided on a side of the fixing seat away from the connecting rod.

[0012] Preferably, the fixing seat is connected to the connecting rod via a mounting block.

[0013] Preferably, the connecting rod is threadedly connected to the mounting block.

[0014] Preferably, a limiting block is provided on the connecting rod, and the top surface of the limiting block is in contact with the bottom surface of the mounting block.

[0015] Preferably, the detection end of the detection rod is provided with a conical head.

[0016] Preferably, a ball bearing is further provided on the conical head.

[0017] Preferably, a stopper is further provided at one end of the detection rod away from the detection end, the tension spring is sleeved on the detection rod between the stopper and the sliding sleeve, and the end of the tension spring away from the sliding sleeve is connected to the stopper.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] 1. Compared with the existing detection methods, the utility model can effectively improve the convenience of detection and the accuracy of detection data.

[0020] 2. The setting of the adhesive layer facilitates the fixation of the fixing seat and the upper air chamber.

[0021] 3. Prevent the connecting rod from moving on the mounting block by setting the limit block. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the installation structure of the first embodiment of the present utility model;

[0023] Figure 2 This is a schematic structural diagram of the first embodiment of the present utility model;

[0024] Figure 3 This is a structural diagram of the second embodiment of the present utility model. DETAILED DESCRIPTION

[0025] In order to facilitate those skilled in the art to understand the technical solution of the present invention, the technical solution of the present invention is further described in conjunction with the accompanying drawings.

[0026] In this application, unless otherwise expressly specified or limited, terms such as "installed," "connected," "connect," and "fixed" should be understood in a broad sense. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; and internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0027] In this application, unless otherwise expressly specified or limited, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly indicate the number of the technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, "plurality" means two or more, unless otherwise expressly specified or limited.

[0028] Example 1

[0029] See Figure 1 and Figure 2 This embodiment discloses a shock absorber torsion angle measuring device, including a fixing seat 1, a mounting block 2, a connecting rod 3, a sliding sleeve 4, a detection rod 5 and a tension spring 6.

[0030] In this embodiment, the fixing seat 1 is arc-shaped, and an adhesive layer 11 is provided on the inner side of the fixing seat 1 to facilitate the fixation of the fixing seat 1 and the upper air chamber 7. The outer side of the fixing seat 1 is connected to the connecting rod 3 through the mounting block 2. Specifically, in this embodiment, an external thread is provided on the top of the connecting rod 3, and a threaded through hole is provided on the mounting block 2. The connecting rod 3 vertically passes through the threaded through hole, so that the external thread on the top of the connecting rod 3 is threadedly connected to the threaded through hole, and the bottom of the connecting rod 3 is connected to the sliding sleeve 4. The detection rod 5 can be slidably set on the sliding sleeve 4, and the detection end of the detection rod 5 is set toward the direction of the shock absorber 8. The tension spring 6 is sleeved on the detection rod 5, and one end of the tension spring 6 is connected to the detection rod 5, and the other end is connected to the sliding sleeve 4.

[0031] Furthermore, a limiting block 31 is provided on the connecting rod 3 , and the top surface of the limiting block 31 is in contact with the bottom surface of the mounting block 2 to prevent the connecting rod 3 from moving on the mounting block 2 .

[0032] Furthermore, the detection end of the detection rod 5 is provided with a conical head 51 to reduce the contact area with the shock absorber 8 and improve the detection accuracy. The conical head 51 is also provided with a ball 52 to reduce friction with the outer wall of the shock absorber 8 and prevent damage to the shock absorber 8.

[0033] Further, the detection rod 5 is further provided with a stopper 53 at one end away from the conical head 51, and the tension spring 6 is sleeved on the detection rod 5 between the stopper 53 and the sliding sleeve 4, and one end of the tension spring 6 away from the sliding sleeve 4 is connected with the stopper 53, because the shock absorber 8 will also appear to be out of balance in the process of torsion, which may cause the detection rod 5 to be separated from the outer wall of the shock absorber 8, and under the elastic force of the tension spring 6, the conical head 51 can always be attached to the outer wall of the shock absorber 8.

[0034] The working principle of the embodiment is that the upper air chamber 7 is connected with the vehicle body and is fixed in position, and represents the relative position of the vehicle body as a measurement reference, then the fixed seat 1 is bonded to the side wall of the upper air chamber 7 through the bonding layer 11, then the conical head 51 at the end of the detection rod 5 is attached to the outer wall of the shock absorber 8, and then a mark line is drawn at the position where the outer wall of the shock absorber 8 is attached to the ball 52, when the shock absorber 8 appears to be twisted, the ball 52 at the end of the detection rod 5 will appear to be displaced on the outer wall of the shock absorber 8, and under the elastic force of the tension spring 6, the ball 52 is always attached to the outer wall of the shock absorber 8, then the distance between the ball 52 and the mark line is measured by the caliper, and a value is obtained, then the torsion angle is calculated through a formula, the measurement of the torsion angle is completed, and the accuracy of the measurement value is improved.

[0035] Compared with the existing detection method, the embodiment can effectively improve the convenience of detection and the accuracy of detection data.

[0036] Embodiment two

[0037] Reference Figure 3 The fixed seat 1 is in a rectangular shape.

[0038] It is apparent for those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and range of equivalency of the elements of the claims are intended to be embraced therein, and any drawing reference in the claims should not be considered as limiting the claims.

[0039] The above-described embodiments only represent the implementation of the present application, and the protection scope of the present application is not limited to the above-described embodiments, and for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application.

Claims

1. A device for measuring the torsion angle of a shock absorber, characterized in that: It includes a fixed seat, a connecting rod, a sliding sleeve, a detection rod and a tension spring. The fixed seat is connected to the connecting rod, the bottom of the connecting rod is connected to the sliding sleeve, the detection rod can be slidably arranged on the sliding sleeve, and the tension spring is sleeved on the detection rod. One end of the tension spring is connected to the detection rod, and the other end is connected to the sliding sleeve.

2. The shock absorber torsion angle measuring device according to claim 1, characterized in that: The fixing seat is in an arc shape.

3. The shock absorber torsion angle measuring device according to claim 1, characterized in that: The fixing seat is rectangular.

4. The device for measuring the torsion angle of a shock absorber according to claim 1, wherein: A bonding layer is provided on a side of the fixing seat away from the connecting rod.

5. The shock absorber torsion angle measuring device according to claim 1, characterized in that: The fixing seat is connected to the connecting rod through a mounting block.

6. The device for measuring the torsion angle of a shock absorber according to claim 5, characterized in that: The connecting rod is threadedly connected to the mounting block.

7. The shock absorber torsion angle measuring device according to claim 5, characterized in that: A limiting block is provided on the connecting rod, and the top surface of the limiting block is in contact with the bottom surface of the mounting block.

8. The device for measuring the torsion angle of a shock absorber according to claim 1, wherein: The detection end of the detection rod is provided with a conical head.

9. The device for measuring the torsion angle of a shock absorber according to claim 8, characterized in that: The conical head is also provided with a ball.

10. The shock absorber torsion angle measuring device according to claim 1, characterized in that: The end of the detection rod away from the detection end is further provided with a stopper, the tension spring is sleeved on the detection rod between the stopper and the sliding sleeve, and the end of the tension spring away from the sliding sleeve is connected to the stopper.

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