CN220136207U - Go-no go gauge for checking position accuracy of positioning column - Google Patents

Abstract

The utility model relates to the technical field of go-no-go gauge measurement, and discloses a go-no-go gauge for checking the position accuracy of a positioning column. The device comprises: the L-shaped plate is provided with a positioning hole at the junction of the long section and the short section; the X-direction through-stopping plate is vertically arranged at the tail end of the short section of the L-shaped plate; the Y-direction through-stopping plate is vertically arranged at the tail end of the long section of the L-shaped plate; the X-direction stop plate and the Y-direction stop plate are respectively provided with a stop position at the bottom of the inner wall of the X-direction stop plate, and the stop position is arranged above the stop position. The utility model solves the problems of troublesome operation, low working efficiency and higher measurement technical requirements on staff in the conventional process of measuring the display module and the positioning column. The utility model has the advantages of ingenious structural design, simple and quick operation, improved detection efficiency and reduced labor hour cost.

Description

Go-no go gauge for checking position accuracy of positioning column

Technical Field

The utility model relates to the technical field of go-no-go gauge measurement, in particular to a go-no-go gauge for checking the position accuracy of a positioning column.

Background

Before the assembly of the finished product, the existing display screen is positioned and matched with the inner wall of the shell through a positioning column behind the display module, and meanwhile, the module cover plate in front of the display module is glued with the shell to complete the assembly of the complete display module and the shell. Therefore, whether the positioning column is positioned on the display module is accurate or not becomes a main factor influencing the final assembly effect of the finished product.

At present, the position degree detection of the positioning column and the display module is usually carried out by using a 2.5-time or 3-time measuring instrument, the measuring operation is troublesome, the working efficiency is low, and the measuring technical requirement on staff is higher. Therefore, a detection device with a simple structure is urgently needed, so that the measurement operation process is simple, and unqualified products can be rapidly and accurately removed.

Disclosure of Invention

Aiming at the problems, the utility model aims to provide a go-no-go gauge for checking the position accuracy of a positioning column, so as to solve the technical problems of high operation difficulty and low operation efficiency in the process of detecting a display module and the positioning column; in order to achieve the above purpose, the present utility model provides the following technical scheme, namely a go-no-go gauge for checking the position accuracy of a positioning column, comprising:

the intersection of the long section and the short section of the L-shaped plate is provided with a positioning hole;

the X-direction stop plate is vertically arranged at the tail end of the short section of the L-shaped plate;

the Y-direction through-stopping plate is vertically arranged at the tail end of the long section of the L-shaped plate;

the X-direction stop plate and the Y-direction stop plate are respectively provided with a stop position at the bottom of the inner wall of the stop plate, and the stop position is arranged above the stop position.

Preferably, the positioning hole on the L-shaped plate and the positioning column behind the display module assembly can be arranged in a concentric fit manner.

Preferably, the stop positions of the X-direction stop plate and the Y-direction stop plate are arc-shaped, and the stop positions can pass through the module cover plate with the positioning size lower than the lower tolerance.

Preferably, the through positions of the X-direction through stop plate and the Y-direction through stop plate are in slope shapes, so that the module cover plate with the positioning size higher than the upper tolerance can be prevented.

Preferably, a standard section is arranged between the through position and the stop position, the vertical length of the standard section is 0.3mm, and the thickness of the standard section is smaller than that of the X-direction through stop plate or the Y-direction through stop plate.

Preferably, the measuring accuracy of the go-no-go gauge is +/-0.01 mm.

Preferably, the material of the go-no-go gauge is aluminum alloy.

Preferably, when the through-and-stop gauge detects the tolerance of the thickness of the module cover plate, the edge of the module cover plate can pass through the through position and the standard section and slide into the stop position, and the tolerance of the module cover plate is qualified.

Preferably, when the through-and-stop gauge detects the tolerance of the thickness of the module cover plate, the edge of the module cover plate is positioned at the through position, the standard section or beyond the stop position, and the tolerance of the module cover plate is unqualified.

Preferably, a standard hole is arranged in the middle of the long section of the L-shaped plate.

Compared with the prior art, the utility model has the beneficial effects that:

after the positioning column passes through the positioning hole, the position of the positioning column behind the display module is determined to be qualified by the positions of the module cover plate at the through position and the stop position. The go-no-go gauge provided by the utility model can simply, conveniently and rapidly detect whether the precision of the positioning column is qualified, has a very simple and easy-to-use overall structure, is light in weight, small and portable, can be used for simultaneously detecting a large number of products, avoids the condition that the positioning column on the display module is detected one by one manually by using a 2.5-or 3-dimensional measuring instrument, greatly reduces the labor intensity of manual detection, effectively saves working hours and improves the working efficiency.

Drawings

Fig. 1 is a schematic structural view of the go-no-go gauge of the present utility model.

Fig. 2 is a side view of the go-no go gauge of the present utility model.

Fig. 3 is a front view of the go-no-go gauge of the present utility model.

Fig. 4 is a schematic diagram of a position tolerance between a cover plate and a positioning column of a go-no-go gauge detection module according to the present utility model.

The figure illustrates: 1. an L-shaped plate; 2. positioning holes; 3. y-direction stop; 4. y-direction through position; 5. x-direction stopping position; 6. x-direction position passing; 7. positioning columns; 8. a display module; 9. a module cover plate; 10. x-direction stop plate; 11. y-direction stop plate; 12. a standard section; 13. standard wells.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

In a display module (e.g., a liquid crystal display module) product, a positioning stud is usually assembled and fixed on a bottom plate of a housing with a positioning post of the display module, and a module cover plate (e.g., tempered glass) in front of the display module protects an inner display module.

Referring to fig. 1-4, the present utility model provides a technical solution: a go-no-go gauge for checking the position accuracy of a display module 8 and a positioning column 7, comprising:

the L-shaped plate 1, and a locating hole 2 is arranged at the junction of the long section and the short section of the L-shaped plate 1;

the X-direction stop plate 10 is vertically arranged at the tail end of the short section of the L-shaped plate 1;

the Y-direction through-stop plate 11 is vertically arranged at the tail end of the long section of the L-shaped plate 1;

the bottoms of the inner walls of the X-direction stop plate 10 and the Y-direction stop plate 11 are respectively provided with a stop position, and the stop positions are arranged above the stop positions.

The go-no-go gauge has a very simple integral structure and is easy to use, and the problems that the locating columns 7 on the display module 8 are detected one by using a 2.5-element or 3-element measuring instrument manually in the prior art, and the working steps and the strength are increased are solved. The utility model can simply, conveniently and rapidly detect whether the precision of the positioning column 7 is qualified or not with a simple structure, and has lighter weight, small size and portability.

Referring to fig. 1 and 4, in a preferred embodiment, the positioning hole 2 of the L-shaped board 1 and the positioning post 7 behind the display module 8 may be concentrically matched. The positioning column 7 penetrates into the positioning hole 2, so that the positions of the module cover plate 9 in front of the display module 8 on the X-direction through stopping plate 10 and the Y-direction through stopping plate 11 are measured, and whether the position relationship between the display module 8 and the positioning column 7 is qualified or not is judged.

Referring to fig. 1 and 4, in a preferred embodiment, the X-direction stop 5 inside the X-direction stop plate 10 and the Y-direction stop 3 inside the Y-direction stop plate 11 are arc-shaped, and the X-direction stop 5 and the Y-direction stop 3 can pass through the module cover 9 with a size lower than the lower tolerance, and the module cover 9 can enter the X-direction stop 5 and the Y-direction stop 3. The module cover plate 9 which can enter the Y-direction stop 3 and the X-direction stop 5 at the same time is regarded as a qualified product.

Referring to fig. 1 and 4, in a preferred embodiment, the X-direction through position 6 inside the X-direction through stop plate 10 and the Y-direction through position 4 inside the Y-direction through stop plate 11 are both in a slope shape, the X-direction through position 6 and the Y-direction through position 4 can prevent the module cover plate 9 with the positioning dimension higher than the upper tolerance, and the module cover plate 9 can not enter the X-direction stop position 5 and the Y-direction stop position 3 and is only positioned on the inclined surfaces of the X-direction through position 6 and the Y-direction through position 4 to be regarded as a defective product. And the X-direction stop position 5 and the Y-direction stop position 3 are exceeded, and the inner walls of the X-direction stop plate 10 and the Y-direction stop plate 11 are also regarded as unqualified products.

Referring to fig. 1 and 4, in a preferred embodiment, a standard section 12 is disposed between the through position and the stop position of the X-direction through stop plate 10 and the Y-direction through stop plate 11, and the vertical length of the standard section 12 is 0.3mm for covering the thickness of the whole module cover plate 9. The thickness of the standard section 12 is smaller than that of the X-direction stop plate 10 or the Y-direction stop plate 11, so that the module cover plate 9 in the qualified product can smoothly enter the X-direction stop position 5 and the Y-direction stop position 3.

Referring to fig. 1 to 4, in a preferred embodiment, the measurement accuracy of the go-no-go gauge is ±0.01mm, and under the normal accuracy, the display module 8 is installed in the housing, and the display area can be displayed normally without shielding.

Referring to fig. 1-4, in a preferred embodiment, the material of the go-no-go gauge is aluminum alloy, so that the weight is reduced by adopting the aluminum alloy because of manual taking measurement, fatigue is avoided due to long-time taking of workers, other metals are not adopted, if the metal is too hard, the module cover plate 9 may be scratched, the module cover plate 9 may be crushed due to too high metal density, the surface of the go-no-go gauge may be affected by the outside, the precision is insufficient due to plastic and other metals, and the cost is not easy to control.

Referring to fig. 4, in a preferred embodiment, when the through-stop gauge detects the tolerance of the thickness of the module cover plate 9, the edge of the module cover plate 9 can pass through the through-position, the standard section 12 and slide into the stop position, and the tolerance of the module cover plate 9 is qualified. And the module cover plate 9 and the positioning column 7 are qualified in relative position when falling into the stop position.

Referring to fig. 4, in a preferred embodiment, when the through-stop gauge detects the tolerance of the thickness of the module cover plate 9, the edge of the module cover plate 9 is located at the through position, the standard section 12 or beyond the stop position, and the tolerance of the module cover plate 9 is not qualified. The module cover plate 9 is in the through position, clings to the standard section 12 or passes through the stop position and is positioned on the inner walls of the X-direction through stop plate 10 and the Y-direction through stop plate 11, and the relative positions of the module cover plate 9 and the positioning column 7 are determined to be unqualified.

Referring to fig. 1 and 4, in a preferred embodiment, a standard hole 13 is provided in the middle of the long section of the L-shaped board 1, and the positioning column 7 in the standard hole 13 does not participate in measurement, so that the other positioning column 7 can pass through the go-no-go gauge, and the module cover plate 9 can be stably placed on a measurement desktop.

The application method of the utility model is as follows:

when the go-no-go gauge is used, referring to fig. 1 and 4, firstly, a user can reversely buckle the display module 8 on a measuring table top to enable the positioning column 7 to face upwards, then match the positioning hole 2 on the go-no-go gauge with one of the positioning columns 7, then pinch the go-no-go gauge by a hand to move up and down in the Z-axis direction, observe the edge of the module cover plate 9 in the process of moving the go-no-go gauge up and down, and if the module cover plate 9 cannot pass through the through position of the go-no-go gauge in any direction of the XY axis, the edge of the module cover plate 9 is clamped on the slope surface of the through position, and the fact that the dimension from the positioning column 7 of the product to the edge of the module cover plate 9 exceeds the upper tolerance limit is a defective product is indicated; if the die set cover plate 9 can pass through the stop position of the go-no-go gauge in any direction of the XY axis, the edge of the die set cover plate 9 cannot be clamped on the stop position, and the fact that the dimension from the product positioning column 7 to the edge of the die set cover plate 9 is lower than the lower tolerance limit is a defective product is indicated.

Fig. 4 shows that the edge of the module cover plate 9 is clamped on the stop circular arc surface through the through slope surface, which indicates that the product is good, and at this time, a user can take down the through and stop gauge to put the product into the good area, and by the above method, a series of checking operations of the positional relationship between the positioning column 7 and the module cover plate 9 can be completed.

After the positioning column 7 passes through the positioning hole 2, the utility model uses the positions of the module cover plate 9 in the through position and the stop position to determine whether the position of the positioning column 7 positioned behind the display module 8 is qualified. The go-no-go gauge provided by the utility model can simply, conveniently and rapidly detect whether the precision of the positioning column 7 is qualified, has a very simple and easy-to-use overall structure, is light in weight, small and exquisite and portable, can be used for simultaneously detecting a large number of products, avoids the condition that the positioning column 7 on the display module 8 is detected one by using a 2.5-or 3-dimensional measuring instrument manually, greatly reduces the labor intensity of manual detection, effectively saves working hours and improves the working efficiency.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments and that the present utility model may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and accordingly, the embodiments are to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (10)

1. Go-no-go gauge for checking position accuracy of positioning column, which is characterized by comprising:

the L-shaped plate is provided with a positioning hole at the junction of the long section and the short section;

the X-direction through-stopping plate is vertically arranged at the tail end of the short section of the L-shaped plate;

the Y-direction through-stopping plate is vertically arranged at the tail end of the long section of the L-shaped plate;

the X-direction stop plate and the Y-direction stop plate are respectively provided with a stop position at the bottom of the inner wall of the X-direction stop plate, and the stop position is arranged above the stop position.

2. The go-no-go gauge for checking the position accuracy of a positioning column according to claim 1, wherein the positioning hole on the L-shaped plate and the positioning column behind the display module can be arranged in a concentric fit.

3. The go-no-go gauge for checking the position accuracy of a positioning column according to claim 1, wherein the stop positions of the X-direction stop plate and the Y-direction stop plate are arc-shaped, and the stop positions can pass through a module cover plate with a positioning size lower than a lower tolerance.

4. The go-no-go gauge for checking the position accuracy of a positioning column according to claim 1, wherein the through positions of the X-direction stop plate and the Y-direction stop plate are in a slope shape, so that the positioning size of the module cover plate is prevented from being higher than the upper tolerance.

5. The go-no-go gauge for checking the position accuracy of a positioning column according to claim 1, wherein a standard section is arranged between the go-no-go position and the stop position, the vertical length of the standard section is 0.3mm, and the thickness of the standard section is smaller than that of the X-direction go-no-go plate or the Y-direction go-no-go plate.

6. The go-no-go gauge for checking the position accuracy of a positioning column according to claim 1, wherein the measuring accuracy of the go-no-go gauge is + -0.01 mm.

7. The go-no-go gauge for checking the position accuracy of a positioning column according to claim 1, wherein the material of the go-no-go gauge is aluminum alloy.

8. The go-no-go gauge for checking the position accuracy of a positioning column according to claim 1, wherein when the go-no-go gauge detects the tolerance of the thickness of the module cover plate, the edge of the module cover plate can pass through a pass position, a standard section and slide into the stop position, and the tolerance of the module cover plate is qualified.

9. The go-no-go gauge for checking the position accuracy of a positioning column according to claim 1, wherein when the go-no-go gauge detects the tolerance of the thickness of the module cover plate, the edge of the module cover plate is located at the go-no-go position, the standard section or beyond the stop position, and the tolerance of the module cover plate is not qualified.

10. The go-no-go gauge for checking the position accuracy of a positioning column according to claim 1, wherein a standard hole is arranged in the middle of the long section of the L-shaped plate.