Parking rocker arm detection tool

Abstract

The utility model relates to a detection device, and particularly discloses a parking rocker arm detection tool. The parking rocker arm detection tool comprises a base, a detection platform is arranged on the base, and a meshing station, a positioning station and an operation station are arranged on the detection platform; a meshing detection unit is arranged on the meshing station, and meshing teeth are arranged on the side face of the meshing detection unit; a positioning shaft is arranged on the positioning station, and a mounting unit is arranged on the operation station; the device further comprises a detection assembly, the detection assembly comprises a hole shape detection unit and a rotation operation unit, the hole shape detection unit comprises a profiling block, the side face of the profiling block is a profiling face, and a circumferential limiting unit is arranged between the profiling block and the base. And the rotary operation unit comprises a cam. The parking rocker arm detection tool can detect the shape precision and the size precision of the parking rocker arm, and has the advantages of being simple in structure and convenient to operate.

Description

Technical Field

[0001] This utility model relates to a testing device, specifically a parking rocker arm testing fixture. Background Technology

[0002] The parking arm is the core component of a mechanical parking brake system. It amplifies braking force through leverage, enabling reliable vehicle parking. It is simple in structure, low in cost, and easy to maintain, and is widely used in various vehicles requiring parking brakes.

[0003] like Figure 1 The diagram shows the structure of a parking rocker arm, including an engaging part 01, a mounting part 02, and an operating part 03. The mounting part has a central hole 021, the engaging part has meshing teeth 011, and the operating part has a connecting hole 031. During operation, the parking rocker arm is rotatably connected to the matching frame through the central hole, and the matching drive mechanism is connected to the parking rocker arm through the connecting hole. When braking is required, the drive mechanism drives the parking rocker arm to rotate, and the engaging part engages with the matching meshing gear, thus achieving braking. When unlocking is required, the parking rocker arm rotates in the opposite direction, and the engaging part disengages from the meshing gear, thus unlocking the parking arm.

[0004] Parking rocker arms are typically manufactured as a single piece using a stamping process. To improve product yield, post-processing inspection is necessary. The core inspection parameters for parking rocker arms include the shape accuracy of the center hole and connecting hole, as well as the relative positional accuracy between the center hole, connecting hole, and meshing teeth. Performing conventional inspections on these parameters individually is overly cumbersome and unsuitable for large-scale testing. Therefore, a comprehensive inspection fixture capable of measuring all these parameters of the parking rocker arm is required. Summary of the Invention

[0005] The technical problem to be solved by this utility model is to provide a parking rocker arm inspection fixture, which can inspect the shape accuracy and dimensional accuracy of the parking rocker arm, and has the advantages of simple structure and convenient operation.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a parking rocker arm inspection fixture, comprising a base, an inspection platform on the base, an engagement station, a positioning station and an operating station on the inspection platform; an engagement inspection unit on the engagement station, the engagement inspection unit having engagement teeth on its side; a positioning shaft on the positioning station, the positioning shaft being perpendicular to the inspection platform; and an installation unit on the operating station.

[0007] It also includes a detection component, which includes a hole shape detection unit and a rotation operation unit. The hole shape detection unit includes a contour block, the side of which is a contour surface. The contour block is separately disposed from the base and is detachably connected to the base through an installation unit. A circumferential limiting unit is provided between the contour block and the base.

[0008] The rotary operating unit includes a cam, which is separately disposed from the base and is rotatably connected to the base through a mounting unit.

[0009] During the testing of the parking rocker arm, the center hole of the parking rocker arm is rotatably connected to the positioning shaft, and the connection hole is aligned with the mounting unit.

[0010] Select the contour block and connect it to the installation unit. The contour block and the base are circumferentially positioned by the circumferential limiting unit. At this time, by judging whether the shape and size of the contour block and the connecting hole match, it can be determined whether the size and shape accuracy of the connecting hole is qualified.

[0011] Then, the contour block is removed, and the cam is selected and connected to the mounting unit. The cam is placed in the connection hole. Through the rotation of the cam, which matches the shape of the connection hole, the parking rocker arm is driven to swing. Through the engagement and disengagement of the engagement part and the engagement detection unit, the dimensional accuracy of the engagement part and the positional accuracy of the engagement part relative to the connection hole are judged to be qualified.

[0012] The parking rocker arm testing fixture of this application has the advantages of simple structure, convenient testing operation, and reliable testing results.

[0013] Preferably, the meshing detection unit includes a gear that is detachably connected to the base.

[0014] Preferably, the mounting unit includes a mounting shaft on a base, the mounting shaft being perpendicular to the detection platform.

[0015] Preferably, the circumferential limiting unit includes a limiting block and a limiting groove, wherein one of the limiting block and the limiting groove is disposed on the base and the other is disposed on the contour block.

[0016] Preferably, the meshing station, positioning station, and operating station are arranged sequentially along the length of the testing platform. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the parking rocker arm.

[0018] Figure 2 This is a schematic diagram of the parking rocker arm detection fixture in this embodiment, excluding the detection components.

[0019] Figure 3This is an exploded view of the hole shape detection state of the parking rocker arm detection fixture in this embodiment;

[0020] Figure 4 This is a top view of the hole shape detection state of the parking rocker arm detection fixture in this embodiment;

[0021] Figure 5 This is an exploded view of the engagement detection state of the parking rocker arm detection fixture in this embodiment;

[0022] Figure 6 This is a schematic diagram of the parking rocker arm detection fixture in the engagement detection state in this embodiment. At this time, the engagement part and the engagement detection unit are in a separated state.

[0023] Figure 7 This is a schematic diagram of the parking rocker arm detection fixture in the meshing detection state in this embodiment. At this time, the meshing part and the meshing detection unit are in a meshing state. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model. Example

[0025] like Figure 2 As shown, a parking rocker arm inspection fixture includes a base 1, on which an inspection platform is provided. The inspection platform has an engagement station, a positioning station, and an operating station. The engagement station, positioning station, and operating station are arranged sequentially along the length of the inspection platform.

[0026] like Figures 2-7 As shown, the meshing station is equipped with a meshing detection unit 2, and the side of the meshing detection unit 2 is provided with meshing teeth. Specifically, the meshing detection unit 2 includes a gear that is detachably connected to the base 1.

[0027] like Figures 2-7 As shown, the positioning station is equipped with a positioning shaft 3, which is set perpendicular to the detection platform.

[0028] like Figures 2-7 As shown, the operating station is equipped with an installation unit 4. In one specific embodiment, the installation unit 4 includes an installation shaft mounted on a base 1, the installation shaft being perpendicular to the testing platform.

[0029] like Figures 3-7 As shown, it also includes a detection component, which comprises a hole shape detection unit 6 and a rotation operation unit 9, as shown. Figure 3 and Figure 4As shown, the hole shape detection unit 6 includes a contour block, the side of which is a contour surface, and the cross-section of which matches the shape and size of the connecting hole. The contour block is separately disposed from the base 1 and is detachably connected to the base 1 via the mounting unit 4, and a circumferential limiting unit is provided between the contour block and the base 1. In one specific embodiment, the circumferential limiting unit includes a limiting block 5 and a limiting groove 7, one of which is disposed on the base 1 and the other on the contour block.

[0030] like Figures 5-7 As shown, the rotary operation unit 9 includes a cam, which is separately disposed from the base 1 and is rotatably connected to the base 1 through the mounting unit 4.

[0031] During the parking rocker arm test, the center hole of the parking rocker arm 8 is rotatably connected to the positioning shaft 3, and the connection hole is aligned with the mounting unit 4.

[0032] like Figure 3 and Figure 4 As shown, the contour block is selected and connected to the mounting unit 4. The contour block and the base 1 are circumferentially positioned by the circumferential limiting unit. At this time, by judging whether the shape and size of the contour block and the connecting hole match, it can be determined whether the size and shape accuracy of the connecting hole are qualified.

[0033] like Figures 5-7 As shown, the contour block is then removed, and the cam is connected to the mounting unit 4. The cam is placed in the connecting hole. Through the rotation of the cam, it matches the shape of the connecting hole and drives the parking rocker arm to swing. Through the engagement and disengagement of the engagement part and the engagement detection unit 2, the dimensional accuracy of the engagement part and the positional accuracy of the engagement part relative to the connecting hole are judged to be qualified.

[0034] The parking rocker arm testing fixture of this application has the advantages of simple structure, convenient testing operation, and reliable testing results.

[0035] In summary, the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A parking rocker arm inspection fixture, characterized in that: The device includes a base, on which a detection platform is provided. The detection platform is provided with a meshing station, a positioning station, and an operating station. The meshing station is provided with a meshing detection unit, and the side of the meshing detection unit is provided with meshing teeth. The positioning station is provided with a positioning shaft, which is set perpendicular to the detection platform. The operating station is provided with an installation unit. It also includes a detection component, which includes a hole shape detection unit and a rotation operation unit. The hole shape detection unit includes a contour block, the side of which is a contour surface. The contour block is separately disposed from the base and is detachably connected to the base through an installation unit. A circumferential limiting unit is provided between the contour block and the base. The rotary operating unit includes a cam, which is separately disposed from the base and is rotatably connected to the base through a mounting unit.

2. The parking rocker arm inspection fixture according to claim 1, characterized in that: The meshing detection unit includes a gear that is detachably connected to the base.

3. The parking rocker arm inspection fixture according to claim 1, characterized in that: The installation unit includes a mounting shaft on a base, which is perpendicular to the detection platform.

4. The parking rocker arm inspection fixture according to claim 1, characterized in that: The circumferential limiting unit includes a limiting block and a limiting groove, one of which is disposed on the base and the other is disposed on the contour block.

5. The parking rocker arm inspection fixture according to any one of claims 1-4, characterized in that: The meshing station, positioning station, and operating station are arranged sequentially along the length of the testing platform.

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