Tool for rapidly measuring clamping force of automotive trim plastic part

Abstract

The utility model belongs to the field of automotive trim measuring tools, and particularly relates to an automotive trim plastic part clamping force rapid measuring tool which comprises a dynamometer, a hook, a pull ring screw and a plastic part, the pull ring screw is fixed at a measuring point position of the plastic part, the hook is connected with the pull ring screw, the dynamometer is connected with the hook, and a self-tapping screw is of a threaded structure. The pull ring screw is made of a high-strength alloy material and comprises a hexagonal bit, a pull ring and a self-tapping screw, the hexagonal bit on the pull ring screw is matched and fixed with an adapter at the front end of the electric hand drill, the front end of the dynamometer is connected with an extension bar, and the tail end of the hook is provided with a hook joint. And the clamping force value of the plastic part is measured by the dynamometer at a constant speed. The device is simple in structure, easy and convenient to operate and rapid in measurement.

Description

Technical Field

[0001] The utility model belongs to the field of automobile interior measuring tools, in particular to a quick measuring tool for automobile interior plastic parts. Background Art

[0002] As an important part of automobiles, the installation quality and connection performance of automobile interior plastic parts have an important impact on the overall performance of the automobile and the safety of users. In the production and quality control of automobile interior plastic parts, the clamping force test is one of the key indicators for evaluating the connection strength and reliability. This requires the use of a dynamometer to measure the clamping force to determine whether the relevant plastic parts meet the requirements, and this experiment needs to be measured once every certain period of time. The conventional measurement method is mainly to drill holes with a hand drill equipped with a twist drill, then pierce the holes with a rope, and then hook the rope with a dynamometer for measurement. This method is too cumbersome to operate and has large measurement errors, which seriously restricts the improvement of production efficiency and product quality. Utility Model Content

[0003] In order to solve the above problems existing in the prior art, the utility model provides a fast measuring tool for the clamping force of automobile interior plastic parts, which has a simple structure, is easy to operate and can measure quickly.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tool for quickly measuring the clamping force of automobile interior plastic parts, comprising a dynamometer, a hook, a pull ring screw and a plastic part, the pull ring screw is fixed at the measuring point of the plastic part, the hook is connected to the pull ring screw, the dynamometer is connected to the hook, and the clamping force value of the plastic part is obtained by uniformly measuring with the dynamometer.

[0005] Furthermore, the pull ring screw comprises a hexagonal bit, a pull ring and a self-tapping screw. The hexagonal bit and the self-tapping screw are fixed on both sides of the pull ring and are on the same straight line. The self-tapping screw is a threaded structure.

[0006] Furthermore, the pull ring screw is made of a high-strength alloy material.

[0007] Furthermore, an extension rod is connected to the front end of the dynamometer, a hook joint is provided at the end of the hook, and the hook joint is fixedly connected to the extension rod.

[0008] Furthermore, the pull ring screw and the plastic part are screwed in a normal rotation manner.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] 1. The utility model adopts the combination of pull ring screw and hexagonal screwdriver bit, which is easy to operate, can quickly install and disassemble the plastic parts to be tested, and improve the test efficiency;

[0011] 2. This utility model tool can be used to test automobile interior plastic parts of different specifications and materials, and has good versatility and expansibility;

[0012] 3. The utility model has reasonable design and safe operation, which can ensure the safety and stability during the test and the results are accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 This is an exploded view of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the pull ring screw of the utility model;

[0016] Figure 4 It is a structural schematic diagram of the utility model when the pull ring screw is driven into a plastic part. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-2 The utility model provides the following technical solutions: a tool for quickly measuring the clamping force of automobile interior plastic parts, comprising a dynamometer 1, a hook 2, a pull ring screw 3 and a plastic part 4, the pull ring screw 3 is fixed at the measuring point of the plastic part 4, the pull ring screw 3 is firmly fixed and ensures that the test is stable and convenient, the hook 2 is connected to the pull ring screw 3, the dynamometer 1 is connected to the hook 2, the clamping force value of the plastic part 4 is obtained by uniformly measuring with the dynamometer 1, the dynamometer 1 applies a normal pulling force to the pull ring screw 3, so that the measured data of the clamping force of the plastic part 4 is accurate, the dynamometer 1 has the characteristics of high precision, high resolution and fast response, and will record the force value changes during the pulling process in real time, and can store and export data as needed, which is convenient for numerical recording.

[0019] Specifically, Figure 3-4The pull ring screw 3 includes a hexagonal screw head 3.1, a pull ring 3.2 and a self-tapping screw 3.3. The hexagonal screw head 3.1 and the self-tapping screw 3.3 are fixed on both sides of the pull ring 3.2 and on the same straight line. The self-tapping screw 3.3 is a threaded structure. The self-tapping screw 3.3 is fixed at the measuring point position of the plastic part 4, which can ensure that the pull ring screw 3 and the plastic part 4 to be tested are firmly matched. The pull ring screw 3 and the plastic part 4 are normally rotated and screwed, and the self-tapping screw 3.3 part is normally rotated and screwed with the plastic part 4, which can ensure the accuracy of the clamping value data of the tested plastic part 4. The hexagonal screw head 3.1 on the pull ring screw 3 is matched and fixed with the adapter 5.1 at the front end of the hand drill 5, and then the hand drill 5 uses the hexagonal screw head 3.1 to normally screw the front self-tapping screw 3.3 of the pull ring screw 3 into the measuring point position of the plastic part 4 and tighten it. The cooperation of the hexagonal screw head 3.1 and the hand drill 5 can achieve rapid installation and disassembly.

[0020] Specifically, the hand drill 5 has adjustable torque and speed, can be adjusted according to plastic parts 4 of different materials and specifications, and has good versatility and expansibility.

[0021] Specifically, the pull ring screw 3 is made of high-strength alloy material with excellent mechanical properties and wear resistance. As one of the core components of the utility model, the pull ring screw 3 has the advantages of ease of use and test stability.

[0022] Specifically, the front end of the dynamometer 1 is connected to an extension rod 1.1, and the end of the hook 2 is provided with a hook joint 2.1. The connection between the dynamometer 1 and the hook 2 is achieved by fixing the hook joint 2.1 and the extension rod 1.1, which is convenient for testing plastic parts 4 of different shapes.

[0023] The assembly and measurement process of the utility model is as follows: first check whether the various components of the measuring tool are intact, confirm that the dynamometer 1 has been calibrated and set to record the maximum force value, place the plastic part 4 to be tested on the test bench, and adjust the fixture to fix the plastic part 4; then, first install the hexagonal screwdriver 3.1 on the adapter 5.1 of the hand drill 5, hold the hand drill 5, align the self-tapping screw 3.3 of the pull ring screw 3 with the measuring point position of the plastic part 4, and rotate and screw it normally to achieve the following result: Figure 4 Status; such as Figure 1 As shown, an extension rod 1.1 is installed at the front end of the dynamometer 1, and the extension rod 1.1 is fixedly connected to the hook connector 2.1 on the hook 2, and then the pull ring 3.2 is passed through the hook 2 to complete the assembly. The measurement is based on the horizontal and vertical average speed measurement of the dynamometer 1, and the clamping force value of the plastic part 4 can be obtained. Specifically, the dynamometer 1 is used to apply a normal pulling force to the pull ring screw 3, so as to measure the clamping force of the plastic part 4. The dynamometer 1 will record the force value changes during the pulling process in real time, which is convenient for numerical recording.

[0024] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A fast measurement tool for the clamping force of automobile interior plastic parts, characterized in that: The invention comprises a dynamometer (1), a hook (2), a pull ring screw (3) and a plastic part (4), wherein the pull ring screw (3) is fixed at a measuring point of the plastic part (4), the hook (2) is connected to the pull ring screw (3), and the dynamometer (1) is connected to the hook (2), and the clamping force value of the plastic part (4) is obtained by uniformly measuring the dynamometer (1).

2. A fast measurement tool for the clamping force of automobile interior plastic parts according to claim 1, characterized in that: The pull ring screw (3) comprises a hexagonal screwdriver bit (3.1), a pull ring (3.2) and a self-tapping screw (3.3); the hexagonal screwdriver bit (3.1) and the self-tapping screw (3.3) are fixed on both sides of the pull ring (3.2) and are on the same straight line; the self-tapping screw (3.3) is a threaded structure.

3. A fast measurement tool for the clamping force of automobile interior plastic parts according to claim 2, characterized in that: The pull ring screw (3) is made of a high-strength alloy material.

4. A fast measurement tool for the clamping force of automobile interior plastic parts according to claim 3, characterized in that: The front end of the dynamometer (1) is connected to an extension rod (1.1), the end of the hook (2) is provided with a hook joint (2.1), and the hook joint (2.1) is fixedly connected to the extension rod (1.1).

5. A fast measuring tool for the clamping force of automobile interior plastic parts according to claim 4, characterized in that: The pull ring screw (3) and the plastic part (4) are screwed in a normal rotational manner.

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