CN211527285U

CN211527285U - Detection apparatus for vehicle instrument

Info

Publication number: CN211527285U
Application number: CN202020436720.3U
Authority: CN
Inventors: 叶解军
Original assignee: Jiangmen Keda Automobile Meter Co ltd
Current assignee: Jiangmen Keda Automobile Meter Co ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2020-09-18
Anticipated expiration: 2030-03-30

Abstract

The utility model discloses a detection apparatus for vehicle instrument, include: a table having a jig to fix a bracket of the vehicle instrument; the material shifting assembly is provided with a first frame body fixedly connected with the workbench, a shifting rod rotatably connected with the first frame body, and a second cylinder driving the shifting rod to lift a center shaft of the vehicle instrument; the measuring assembly is provided with a transmission rod, a micrometer and a third air cylinder, wherein the transmission rod is abutted against the top end of the middle shaft, the micrometer is abutted against the top end of the transmission rod, and the third air cylinder drives the transmission rod to lift. The utility model discloses a detection apparatus for vehicle instrument can directly obtain the axis and the lower clearance between the bearing, avoids the manufacturing error influence, improves measuring accuracy.

Description

Detection apparatus for vehicle instrument

Technical Field

The utility model relates to a vehicle instrument assembly, in particular to vehicle instrument's detection device.

Background

The vehicle meter is a meter that displays a vehicle state and running information, and generally, has a tachometer and a speedometer.

As shown in fig. 1, the tachometer and speedometer are very similar in structure, having a scale plate, a pointer, a middle shaft 110, a support 100 and a flexible shaft.

The bracket 100 is provided with an upper bearing 120 and a lower bearing 140, and two ends of the middle shaft 110 are mounted in the upper bearing 120 and the lower bearing 140, so that the middle shaft 110 can flexibly rotate. Meanwhile, a magnet is disposed at one end of the middle shaft 110 near the lower bearing 140, and a pointer is mounted at one end of the middle shaft 110 near the upper bearing 120.

When the tachometer or speedometer is operated, the magnet induces the change of the magnetic field, so that the magnet, the middle shaft 110 and the pointer rotate simultaneously, and the pointer cooperates with the scale plate to display the rotating speed or the vehicle speed.

In design, the upper bearing 120 limits the axial movement of the middle shaft 110, so that the maximum gap between the middle shaft 110 and the lower bearing 140 along the axial direction of the middle shaft 110 meets the requirement.

Structurally, the upper bearing 120 is connected with the bracket 100 through a screw thread, the upper bearing 120 is provided with a first nut 130, and an end surface of the first nut 130 is tightly attached to the bracket 100, so that the upper bearing 120, the bracket 100 and the first nut 130 are fixed.

Technically, the operator first completes the connection and fixation of the upper bearing 120, the first nut 130 and the bracket 100, and then performs the gap measurement, wherein the gap should be 0.15 to 0.2 mm.

In the measurement mode, the height H1 of the middle axle 110 protruding out of the upper bearing 120 is detected, and then the gap delta H to be measured is converted into H3-H2-H1 through the specification H2 of the upper bearing 120 and the specification H3 of the middle axle 110.

However, the above measurement method is not accurate due to manufacturing errors.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a detection device of vehicle instrument, can directly obtain the axis and the lower clearance between the bearing, avoid the manufacturing error influence, improve measuring accuracy.

The utility model discloses a realize through following technical scheme:

the utility model discloses a first aspect provides a detection device of vehicle instrument, include: a table having a jig to fix a bracket of the vehicle instrument; the material shifting assembly is provided with a first frame body fixedly connected with the workbench, a shifting rod rotatably connected with the first frame body, and a second cylinder driving the shifting rod to lift a center shaft of the vehicle instrument; the measuring assembly is provided with a transmission rod, a micrometer and a third air cylinder, wherein the transmission rod is abutted against the top end of the middle shaft, the micrometer is abutted against the top end of the transmission rod, and the third air cylinder drives the transmission rod to lift.

According to the utility model discloses the first aspect a detection device of vehicle instrument, the workstation is provided with the connection the horizontal guide rail of anchor clamps, drive anchor clamps are followed the first cylinder of horizontal guide rail translation.

According to the utility model discloses a detection apparatus for vehicle instrument, first cylinder set up in on the first support body, first cylinder is located the below of second cylinder, first cylinder with the second cylinder all is located first support body dorsad one side of anchor clamps.

According to the utility model discloses the first aspect a detection device of vehicle instrument, the workstation be provided with two stands, with two the crossbeam that the stand is connected, the crossbeam sets up the third cylinder, the cover is equipped with the crane on the stand, the crane with the push rod of third cylinder is connected, the crane set up the transfer line with the micrometer.

According to the utility model discloses a detection device of vehicle instrument, the crossbeam is provided with first oral area, first oral area holding the micrometer passes through from top to bottom.

According to the utility model discloses the first aspect a detection device of vehicle instrument, the driving lever is provided with the centraxonial location breach of holding.

According to the utility model discloses an aspect a detection device of vehicle instrument, the driving lever have first pole portion and second pole portion that are parallel to each other and with first pole portion vertically third pole portion, first pole portion is used for promoting the axis, third pole portion is used for connecting the second cylinder, first support body is provided with and is used for the butt the bumping post of second pole portion.

Has the advantages that: compared with the prior art, the utility model discloses a detection device of vehicle instrument is through dialling the material subassembly to, make vehicle instrument's axis promote, promote the distance for the axis and the maximum clearance of bearing down, simultaneously, through setting up transfer line and micrometer, the height that the axis rose in accurate measurement, and then, the accurate maximum clearance that obtains axis and lower bearing obtains accurate measuring result, improves the accuracy that detects.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

FIG. 1 is a schematic diagram of a prior art vehicle instrument;

FIG. 2 is a schematic structural diagram of an embodiment of the present invention;

FIG. 3 is another side view of the test device of FIG. 2.

Reference numerals:

100-bracket, 110-middle shaft, 120-upper bearing, 130-first nut and 140-lower bearing;

200-workbench, 210-clamp, 220-first cylinder;

300-a material-pulling component, 310-a pulling rod, 320-a first frame body, 330-a second cylinder, 311-a first rod part, 312-a second rod part and 313-a third rod part;

400-measuring component, 410-transmission rod, 420-micrometer, 430-third cylinder;

500-upright column, 510-cross beam, 520-lifting frame and 530-first opening.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 2 and 3, there is provided a detecting apparatus of a vehicle meter,

structurally, the lifting frame comprises a workbench 200, two upright posts 500 erected on the workbench 200, a cross beam 510 connecting the two upright posts 500, a lifting frame 520 connected with the two upright posts 500 in a vertical sliding manner, and a third air cylinder 430 driving the lifting frame 520 to lift.

The workbench 200 is further provided with a clamp 210 for fixing the support 100 of the vehicle instrument, and the clamp 210 is positioned by the shape of the support 100 or the joint of the flexible shaft on the support 100, so that the accuracy of the position of the support 100 is improved.

Simultaneously, on workstation 200, still be provided with the horizontal guide rail of connecting jig 210 and drive the first cylinder 220 of the horizontal translation of jig 210 to, make things convenient for the operative employee to carry out dismouting material operation and measurement process, moreover, the material of tearing open separates each other with the measurement, avoids mutual influence.

In order to change the original measuring mode, the material stirring assembly 300 and the measuring assembly 400 are further arranged in the embodiment.

The kick-out assembly 300 includes a first frame 320 fixed to the work bench 200, a kick-out lever 310 rotatably connected to the first frame 320, and a second cylinder 330 for driving the kick-out lever 310 to lift the center shaft 110 of the vehicle instrument.

The measuring assembly 400 has a transmission rod 410 abutting against the top end of the middle shaft 110, a micrometer 420 abutting against the top end of the transmission rod 410, and a third cylinder 430 driving the transmission rod 410 to ascend and descend.

Specifically, the lifting frame 520 is connected with a push rod of the third air cylinder 430, and the lifting frame 520 is provided with a transmission rod 410 and the micrometer 420.

That is, the working principle and steps of the detection device of the present embodiment are as follows:

1. putting the whole bracket 100 into the fixture 210, and driving the fixture 210 to move towards the driving lever 310 by the first cylinder 220;

2. the third cylinder 430 is actuated to lower the crane 520, and then the bottom end of the driving rod 410 is contacted with the top end of the middle shaft 110, and the reading of the micrometer 420 is not zero.

3. Operating the micrometer 420, or, alternatively, programmed, to zero the micrometer 420, i.e., to zero the reading;

4. the second cylinder 330 is actuated to make the rod 310 lift the middle shaft 110, so that the reading of the micrometer 420 is not zero;

5. reading the readings, so as to obtain the clearance data between the middle shaft 110 and the lower bearing 140;

6. the second cylinder 330 returns, the third cylinder 430 returns, the first cylinder 220 returns, the operator replaces another support 100, and the measurement is restarted.

Thus, the present embodiment has the following effects: through the material stirring assembly 300, the middle shaft 110 of the vehicle instrument is lifted, the lifting distance is the maximum gap between the middle shaft 110 and the lower bearing 140, meanwhile, the lifting height of the middle shaft 110 is accurately measured through the arrangement of the transmission rod 410 and the micrometer 420, further, the maximum gap between the middle shaft 110 and the lower bearing 140 is accurately obtained, an accurate measurement result is obtained, and the detection accuracy is improved.

As shown in fig. 2, in some embodiments, the first cylinder 220 may be disposed on the first frame 320, the first cylinder 220 is located below the second cylinder 330, and both the first cylinder 220 and the second cylinder 330 are located on a side of the first frame 320 facing away from the fixture 210.

The first cylinder 220 and the second cylinder 330 share the first frame 320, so that the number of parts can be reduced, the manufacturing cost can be reduced, and the structure is compact and the occupied space is small.

In some embodiments, as shown in FIG. 3, the cross-beam 510 may be provided with a first port 530, the first port 530 receiving the micrometer 420 therethrough.

The first port 530 is provided, so that the height of the sensing device can be reduced, and the structure of the sensing device can be more compact.

In some embodiments, the driving lever 310 may be provided with a positioning notch for receiving the middle shaft 110, so as to prevent the middle shaft 110 from falling off the driving lever 310.

For the shape of the lifting frame 520, an upper mounting plate, a lower mounting plate and a shaft sleeve for connecting the two mounting plates can be arranged, so that the mounting and the manufacturing are convenient, the detection device is convenient to improve, and the function is expanded.

In some embodiments, the shift lever 310 may have a first rod 311 and a second rod 312 parallel to each other, and a third rod 313 perpendicular to the first rod 311, where the first rod 311 is used to lift the middle shaft 110, the third rod 313 is used to connect the second cylinder 330, and the first frame 320 is provided with a buffer column for abutting against the second rod 312.

The buffer column is arranged, so that impact when the shift lever 310 returns can be reduced, and the detection device is durable.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A detection device of a vehicle meter, characterized by comprising:

a table (200) having a jig (210) for fixing a bracket (100) of a vehicle instrument;

the material shifting assembly (300) is provided with a first frame body (320) fixedly connected with the workbench (200), a shifting rod (310) rotatably connected with the first frame body (320), and a second cylinder (330) driving the shifting rod (310) to lift a middle shaft (110) of a vehicle instrument;

the measuring assembly (400) is provided with a transmission rod (410) abutted against the top end of the middle shaft (110), a micrometer (420) abutted against the top end of the transmission rod (410), and a third air cylinder (430) driving the transmission rod (410) to lift.

2. The vehicle instrument detection device according to claim 1, wherein the workbench (200) is provided with a horizontal guide rail connected with the clamp (210), and a first cylinder (220) driving the clamp (210) to translate along the horizontal guide rail.

3. The vehicle instrument detecting device of claim 2, wherein the first cylinder (220) is disposed on the first frame body (320), the first cylinder (220) is located below the second cylinder (330), and the first cylinder (220) and the second cylinder (330) are both located on a side of the first frame body (320) facing away from the clamp (210).

4. The vehicle instrument detection device according to claim 1, wherein the workbench (200) is provided with two vertical columns (500) and a cross beam (510) connecting the two vertical columns (500), the cross beam (510) is provided with a third cylinder (430), the vertical columns (500) are sleeved with a lifting frame (520), the lifting frame (520) is connected with a push rod of the third cylinder (430), and the lifting frame (520) is provided with a transmission rod (410) and a micrometer (420).

5. A vehicle instrument detection device according to claim 4, wherein the cross member (510) is provided with a first mouth portion (530), and the first mouth portion (530) accommodates the micrometer (420) to pass up and down.

6. The vehicle instrument detecting device of claim 1, wherein the lever (310) is provided with a positioning notch for accommodating the middle shaft (110).

7. The vehicle instrument detection device according to claim 1, wherein the shift lever (310) has a first lever portion (311) and a second lever portion (312) which are parallel to each other, and a third lever portion (313) which is perpendicular to the first lever portion (311), the first lever portion (311) is used for lifting the middle shaft (110), the third lever portion (313) is used for connecting the second cylinder (330), and the first frame body (320) is provided with a buffer column which is used for abutting against the second lever portion (312).