CN204881477U - Folding measuring device - Google Patents

Abstract

The utility model relates to the field of auto parts, in particular to a folding measuring device. It includes a first support arm, a second support arm and a third support arm with equal lengths, the first support arm is provided with a first limit post, the second support arm is provided with a second limit post, and the first support arm is provided with a second limit post. The three arms are provided with a third limit column, the support sleeve is provided with a support column, the support column is also hinged with a support rod sleeve, the support rod sleeve is provided with a support rod, and the support rod is provided with a measuring component. The utility model reads the length difference between the first sliding block and the second sliding block on the support rod, takes the difference as a right-angled side of a right-angled triangle, and compares the value measured by the first measuring rod with the value measured by the second measuring rod. The obtained value is used as a difference operation, and the difference is used as the other right-angled side of the right-angled triangle. The inclination angle can be quickly obtained through trigonometric functions. The measurement operation is simple and the accuracy is high, thereby improving product quality.

Description

A folding measuring device

technical field

The utility model relates to the field of auto parts, in particular to a folding measuring device.

Background technique

Diaphragm spring is an important part of automobile clutch. Diaphragm spring is a kind of disc spring. Diaphragm spring is made of thin spring steel plate with a certain taper. Grooved conical spring leaf. In the prior art, when measuring the inclination angle of the diaphragm spring, it is mostly measured manually, and because it is not a special tool for measuring the diaphragm spring, and it is related to the professional level of the measuring personnel, the actual measurement error is relatively large, so As a result, the measurement efficiency is low and the measurement accuracy is not high, which affects the product quality.

Utility model content

The purpose of this utility model is to provide a folding measuring device to solve the problem of using manual measurement in the prior art, so that the measurement error is relatively large, resulting in low efficiency and low measurement accuracy during measurement, which affects product quality. .

The technical scheme of the utility model for solving the above-mentioned technical problems is as follows: a folding measuring device, comprising a first arm, a second arm and a third arm with equal lengths, the first arm, the second arm and the third arm The arms are all hinged by the same rotating shaft. The free end of the first arm is provided with a first limit column, the free end of the second arm is provided with a second limit column, and the free end of the third arm is provided with a second limit column. Three limit columns, a support sleeve is arranged on the rotating shaft, a support column is arranged in the support sleeve, a support rod sleeve is hinged on the support column, a support rod is arranged in the support rod sleeve, a measuring component is arranged on the support rod, and a support rod is arranged on the support rod. A scale indicating the length is provided, and the measuring assembly includes a first slide block and a second slide block which are arranged on the measuring rod and slide on the measuring rod, the first slide block is provided with the first measuring assembly, and the second slide block A second measuring rod is arranged on the top, and the length of the first measuring rod is longer than that of the second measuring component.

On the basis of the above technical solutions, the utility model can also be improved as follows.

Further, the first measurement assembly includes a first support connected to the first slide block, the first support is hinged with a first rod sleeve, and the first rod sleeve is provided with a first measurement rod; the second measurement assembly includes a The second support connected to the second slider, the second support is hinged with a second rod sleeve, and a second measuring rod is arranged in the second rod sleeve;

Further, the height of the second support is smaller than that of the first support;

Further, the first measuring rod is marked with a scale indicating the length of the first measuring rod, and the second measuring rod is marked with a scale indicating the length of the second measuring rod;

Further, the first support arm includes a first connecting arm and a first limiting arm, and a telescopic first extending arm is arranged inside the first connecting arm and/or the first limiting arm, and the two ends of the first extending arm are respectively connected to The first connecting arm is connected with the first limiting arm; the second arm includes the second connecting arm and the second limiting arm, and the second connecting arm and/or the second limiting arm is provided with a second telescopic extension arm, the two ends of the second extension arm are respectively connected with the second connecting arm and the second limiting arm; the third arm includes the third connecting arm and the third limiting arm, the third connecting arm and/or the third limiting arm A telescopic third extension arm is arranged in the positioning arm, and the two ends of the third extension arm are respectively connected with the third connecting arm and the third limiting arm;

Further, the second extension arm is marked with a scale for indicating the length of the second extension arm;

Further, the support column is also marked with a scale used to indicate the height of the measuring component.

The beneficial effects of the utility model are: adopting the first arm, the second arm and the third arm with the same length, cooperating with the first limit column, the second limit column and the third limit column, when placing the diaphragm When the spring is used, because the three arms respectively fix a point on the circumference of the diaphragm spring to fix the diaphragm spring, the hinge of the three arms is the center of the circle, that is, the position of the support sleeve is the center of the diaphragm spring. Read The length difference between the first slider and the second slider on the support rod, the difference is regarded as a right-angled side of a right-angled triangle, and the value measured by the first measuring rod and the value measured by the second measuring rod are calculated as a difference , and use the difference as the other right-angled side of the right-angled triangle, and the inclination angle can be quickly obtained through trigonometric functions. The measurement operation is simple and the accuracy is high, thereby improving product quality.

Description of drawings

Fig. 1 is the structural representation of measuring device of the present utility model;

Fig. 2 is an embodiment diagram of the measuring device of the present invention.

In the accompanying drawings, the parts represented by each label are as follows:

1. The first support arm, 11. The first connecting arm, 12. The first extension arm, 13. The first limit arm, 14. The first limit post, 2. The second support arm, 21. The second connecting arm , 22, the second extension arm, 23, the second limit arm, 24, the second limit column, 3, the third arm, 31, the third connecting arm, 32, the third extension arm, 33, the third limit Position arm, 34, the third limit column, 4, support sleeve, 41, support column, 42, support rod cover, 43, support rod, 5, measuring assembly, 51, the first slide block, 52, the first bearing , 53, the first rod sleeve, 54, the first measuring rod, 55, the second slide block, 56, the second bearing, 57, the second rod sleeve, 58, the second measuring rod.

Detailed ways

The principles and features of the present utility model are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the utility model, and are not used to limit the scope of the utility model.

Please refer to Fig. 1, Fig. 1 is the structural representation of the measuring device of the present utility model; As shown in Fig. arm, the first arm, the second arm and the third arm are all hinged through the same shaft, the free end of the first arm is provided with a first limit post, and the free end of the second arm is provided with a second Spacer column, the free end of the 3rd arm is provided with the 3rd spacer column, is provided with support sleeve 4 on the rotating shaft, is provided with support column 41 in the support cover, is also hinged with support rod cover 42 on the support column, support rod Cover is provided with support rod 43, is provided with measuring assembly 5 on the support rod, is provided with the scale of marking length on the support rod, and measuring assembly comprises the first slide block 51 that is located on the measuring rod and slides on the measuring rod and the second The slider 55 is provided with a first measuring assembly on the first sliding block and a second measuring rod on the second sliding block. The length of the first measuring rod is longer than that of the second measuring assembly.

It can be seen that, using the first arm, the second arm and the third arm with the same length, and cooperating with the first limit post, the second limit post and the third limit post, when placing the diaphragm spring, due to The three arms respectively fix a point on the circumference of the diaphragm spring, thereby fixing the diaphragm spring. The hinge of the three arms is the center of the circle, that is, the position of the support sleeve is the center of the diaphragm spring. Read the first point on the support rod. The length difference between the first slider and the second slider, the difference is regarded as a right-angled side of a right triangle, the value measured by the first measuring rod and the value measured by the second measuring rod are calculated as a difference, and the difference As the other right-angle side of a right-angled triangle, the inclination angle can be quickly obtained through trigonometric functions. The measurement operation is simple and the accuracy is high, thereby improving product quality.

As an option, the first measurement assembly includes a first support 52 connected to the first slider, a first rod sleeve 53 is hinged on the first support, and a first measurement rod 54 is arranged inside the first rod sleeve; The second measuring assembly comprises a second bearing 56 connected with the second slide block, a second rod cover 57 is hinged on the second bearing, and a second measuring rod 58 is arranged in the second rod cover; The height is smaller than the first support; the first measuring rod is marked with a scale indicating the length of the first measuring rod, and the second measuring rod is marked with a scale indicating the length of the second measuring rod.

Among them, the first support is hinged with the first rod cover, and the second support is hinged with the second rod cover, so that the first rod cover and the second rod cover can be folded in the non-measurement state, and because the second support is smaller than the first The height of a base can be folded together smoothly. In addition, the scales marked on the first measuring rod and the second measuring rod can make it easier to read the length data.

As optional, please refer to Fig. 2, Fig. 2 is the embodiment figure of the utility model measuring device; As shown in Fig. 2, the utility model provides a kind of folding measuring device, on the basis of measuring device shown in Fig. 1, The first arm comprises a first connecting arm 11 and a first limiting arm 13, and a telescopic first extending arm 12 is arranged in the first connecting arm and/or the first limiting arm, and the two ends of the first extending arm are respectively Connected with the first connecting arm and the first limiting arm; the second arm includes the second connecting arm 21 and the second limiting arm 23, and the second connecting arm and/or the second limiting arm is provided with a telescopic The second extension arm 22, the two ends of the second extension arm are respectively connected with the second connecting arm and the second limiting arm; the third arm includes the third connecting arm 31 and the third limiting arm 33, the third connecting arm And/or a telescopic third extension arm 32 is arranged in the third limiting arm, and the two ends of the third extending arm are respectively connected with the third connecting arm and the third limiting arm. Setting the first arm, the second arm and the third arm as telescopic, on the one hand, can increase the size range of the diaphragm spring to be tested, and on the other hand, can also reduce the volume of the measuring device, so that the Measuring devices are more portable.

It should be noted that any one of the three arms can measure the radius of the diaphragm spring by directly reading the length of any one of the three arms. In order to make the radius reading more accurate, readable Take the readings of the second arm. In addition, because the axis of the first arm and the third arm do not pass through the center of the circle, some length compensation is required. The first limit post and the third limit post can be directly calculated The position can be adjusted slightly.

As an option, the second extension arm is marked with a scale for indicating the length of the second extension arm, and the support column is also marked with a scale for indicating the height of the measuring component. The scale of the set length can be used to calculate the diameter of the diaphragm spring according to the measured angles of the first arm and the second arm.

The above are only preferred embodiments of the utility model, and are not intended to limit the utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the utility model shall be included in the utility model. within the scope of protection.

Claims (7)

1. A folding measuring device, characterized in that: comprise a first arm, a second arm and a third arm equal in length, and the first arm, the second arm and the third arm pass through the same The rotating shaft is hinged, the free end of the first arm is provided with a first limit post, the free end of the second arm is provided with a second limit post, and the free end of the third arm is provided with a There is a third limit column, a support sleeve is provided on the rotating shaft, a support column is provided inside the support sleeve, a support rod sleeve is hinged on the support column, and a support rod is provided inside the support rod sleeve, so A measuring assembly is provided on the support rod, and a scale indicating the length is provided on the support rod. The measuring assembly includes a first slider and a second slider that are arranged on the measurement rod and slide on the measurement rod. block, the first sliding block is provided with a first measuring assembly, the second sliding block is provided with a second measuring rod, and the length of the first measuring rod is longer than that of the second measuring assembly. 2. A folding measuring device according to claim 1, characterized in that: the first measuring assembly includes a first support connected to the first slider, and a first support is hinged on the first support. A rod sleeve, the first rod sleeve is provided with a first measuring rod; the second measurement assembly includes a second support connected to the second slider, and a second rod sleeve is hinged on the second support , the second rod sleeve is provided with a second measuring rod. 3. The folding measurement device according to claim 2, wherein the height of the second support is smaller than that of the first support. 4. A folding measuring device according to claim 2, characterized in that: the first measuring rod is marked with a scale indicating the length of the first measuring rod, and the second measuring rod is marked with a scale indicating the second measurement Scale for rod length. 5. A folding measuring device according to claim 1, characterized in that: the first arm comprises a first connecting arm and a first limiting arm, and the first connecting arm and/or the first limiting arm A telescopic first extension arm is arranged inside the arm, and the two ends of the first extension arm are respectively connected with the first connecting arm and the first limiting arm; the second supporting arm includes a second connecting arm and a second The limit arm, the second connecting arm and/or the second limit arm is provided with a telescopic second extension arm, and the two ends of the second extension arm are respectively connected to the second connection arm and the second limit arm connected; the third arm includes a third connecting arm and a third limiting arm, the third connecting arm and/or the third limiting arm is provided with a telescopic third extension arm, the third Both ends of the extension arm are respectively connected with the third connecting arm and the third limiting arm. 6 . The folding measurement device according to claim 5 , wherein a scale indicating the length of the second extension arm is marked on the second extension arm. 6 . 7. A folding measurement device according to any one of claims 1 to 6, characterized in that: the support column is also marked with a scale for indicating the height of the measurement component.