CN219660012U

CN219660012U - Display screen positioning jig

Info

Publication number: CN219660012U
Application number: CN202320157985.3U
Authority: CN
Inventors: 卢云山; 施成龙; 孙鹏; 魏巧利; 孟令帅; 常亮; 孙女军; 庞春龙; 杨丽娜
Original assignee: Contec Medical Systems Co Ltd
Current assignee: Contec Medical Systems Co Ltd
Priority date: 2023-02-08
Filing date: 2023-02-08
Publication date: 2023-09-08
Anticipated expiration: 2033-02-08

Abstract

The utility model relates to the technical field of positioning jigs, in particular to a display screen positioning jig. The display screen positioning jig comprises a jig body, a first positioning column and a second positioning column. The jig comprises a jig body, wherein the jig body is provided with a first positioning groove and a second positioning groove, the second positioning groove is formed in the inner bottom wall of the first positioning groove, the first positioning groove is used for accommodating a circuit board, and the second positioning groove is used for accommodating a display screen. The first positioning groove is internally provided with a first matching hole, the second positioning groove is internally provided with a second matching hole, the first positioning column is in clearance fit with the first matching hole and used for positioning the circuit board, and the second positioning column is in clearance fit with the second matching hole and used for positioning the display screen. Therefore, when the circuit board and the display screen are placed or taken, the first positioning column and the second positioning column can have certain displacement, so that contact collision between the circuit board and the first positioning column and contact collision between the display screen and the second positioning column are buffered, and the circuit board or the display screen are prevented from being damaged.

Description

Display screen positioning jig

Technical Field

The utility model relates to the technical field of positioning jigs, in particular to a display screen positioning jig.

Background

When the display screen and the circuit board are assembled, the screen wires of the display screen are welded to the circuit board, and then the back of the display screen is stuck and connected with the circuit board. The process of pasting the display screen is usually a manual process, and a worker needs to position and paste the display screen during operation. In the prior art, manual positioning is adopted, so that the problem of sticking and skewing of a screen is easily caused, the sticking consistency is poor, and the efficiency is low; the existing positioning jig is inconvenient to take and put the display screen, and the display screen is easy to damage in the taking and putting process.

Disclosure of Invention

The utility model provides a display screen positioning jig which is used for solving the defects that a display screen and a circuit board are inconvenient to position, a positioning device is easy to damage the display screen and the efficiency of pasting the display screen is low in the prior art, and achieving the purposes of rapidly positioning the display screen and the circuit board and improving the yield when the display screen is pasted.

The utility model provides a display screen positioning jig, which is used for positioning a display screen and a circuit board electrically connected with the display screen, and comprises:

the jig comprises a jig body, wherein a first positioning groove and a second positioning groove are formed in the jig body, the second positioning groove is formed in the inner bottom wall of the first positioning groove and used for accommodating the circuit board, the second positioning groove is used for accommodating the display screen, a first matching hole is formed in the first positioning groove, and a second matching hole is formed in the second positioning groove;

the first positioning column is in clearance fit with the first fit hole and is used for positioning the circuit board;

and the second positioning column is in clearance fit with the second fit hole and is used for positioning the display screen.

According to the display screen positioning jig provided by the utility model, the first positioning column and the first matching holes are multiple;

or the second positioning columns and the second matching holes are multiple.

According to the display screen positioning jig provided by the utility model, the number of the first matching holes is larger than that of the first positioning columns;

or, the number of the second matching holes is larger than that of the second positioning columns.

According to the display screen positioning jig provided by the utility model, the depth of the second matching hole is smaller than or equal to the height of the second positioning column.

According to the display screen positioning jig provided by the utility model, the jig body is provided with the avoidance notch, the avoidance notch is communicated with at least one of the first positioning groove and the second positioning groove, and the avoidance notch is horn-shaped.

According to the display screen positioning jig provided by the utility model, the jig body is an integrated part.

According to the display screen positioning jig provided by the utility model, the jig body comprises:

the base body is internally provided with a second positioning groove, and the second matching hole is formed in the base body;

the adjusting component is suitable for abutting against the display screen so as to push the display screen to abut against the second positioning column;

the cover plate is used for clamping the adjusting component between the base body and the cover plate, the cover plate is detachably connected with the base body, the cover plate is provided with a hollowed-out part, the hollowed-out part is used for forming at least one part of the first positioning groove, and the first matching hole is defined by the cover plate and at least one of the base body.

According to the display screen positioning jig provided by the utility model, the adjusting component comprises:

the pressing piece is positioned in the second positioning groove and is suitable for being contacted with the display screen;

the pressing plate is positioned on the outer surface of the base body and detachably connected with the base body through a threaded piece, and the distance between the pressing plate and the base body is adjustable through the threaded piece;

the elastic piece is arranged on the seat body in a penetrating mode, one end of the elastic piece is connected with the pressing piece, and the other end of the elastic piece is connected with the pressing plate.

According to the display screen positioning jig provided by the utility model, the base body is provided with the mounting groove, and the elastic piece and the pressing piece are both positioned in the mounting groove.

According to the display screen positioning jig provided by the utility model, the side edge of the pressing piece, which faces the display screen, is provided with a plurality of contact parts, the surface of each contact part, which faces the display screen, is a plane, and a weight reduction groove is formed between any two adjacent contact parts.

According to the display screen positioning jig provided by the utility model, the first positioning column is in clearance fit with the first matching hole so as to position the circuit board, and the second positioning column is in clearance fit with the second matching hole so as to position the display screen, so that when the circuit board and the display screen are placed or taken, the first positioning column and the second positioning column can have certain displacement so as to buffer contact collision between the circuit board and the first positioning column and between the display screen and the second positioning column, and the circuit board or the display screen is prevented from being damaged.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a display positioning fixture according to the present utility model;

FIG. 2 is a top view of a display positioning jig according to the present utility model;

FIG. 3 is a second schematic diagram of a display positioning fixture according to the present utility model;

FIG. 4 is a second top view of the positioning fixture for display screen according to the present utility model;

FIG. 5 is a schematic diagram of the structure of the fixture body in FIG. 4;

fig. 6 is a schematic structural view of an adjusting assembly provided by the present utility model.

Reference numerals:

100. positioning jig for display screen;

110. a jig body; 111. a first positioning groove; 1111. a first mating hole; 112. a second positioning groove; 1121. a second mating hole; 113. avoiding the notch; 114. a base; 1141. a mounting groove; 1142. a groove is formed;

115. an adjustment assembly; 1151. a pressing member; 1152. a pressing plate; 1153. a screw; 1154. an elastic member; 1155. a contact portion; 1156. a compression member main body; 1157. a weight-reducing groove;

120. a cover plate; 121. a fixing member; 122. a fixing hole;

130. a first positioning column;

140. a second positioning column;

200. a display screen; 300. a circuit board.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, 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.

The following describes a display screen positioning jig according to an embodiment of the present utility model with reference to fig. 1 to 6. It will be appreciated that when the display screen and the circuit board are assembled, the screen wires of the display screen may be welded to the circuit board, and then the back of the display screen may be attached to the circuit board. The display screen positioning jig is used for positioning the display screen and the circuit board so as to conveniently position the display screen on the circuit board and avoid pasting distortion. In the related art, the display screen of the positioning jig is inconvenient to take and put, and the display screen is easy to damage in the taking and putting process. Therefore, an improved positioning fixture is needed, a display screen and a circuit board can be positioned quickly, and the display screen and the circuit board are convenient to install and detach.

Referring to fig. 1 and 3, according to an embodiment of the present utility model, a display positioning jig 100 is used for positioning a display 200 and a circuit board 300 electrically connected to the display 200, and the display positioning jig 100 includes: the jig comprises a jig body 110, a first positioning column 130 and a second positioning column 140.

Specifically, the jig body 110 is provided with a first positioning groove 111 and a second positioning groove 112, and the second positioning groove 112 is provided on an inner bottom wall of the first positioning groove 111. The first positioning groove 111 is used for accommodating the circuit board 300, and the second positioning groove 112 is used for accommodating the display screen 200. That is, when the display positioning jig 100 is used for positioning, the display 200 is placed in the second positioning groove 112, the circuit board 300 is placed in the first positioning groove 111, and the circuit board 300 covers the display 200.

The first positioning slot 111 is provided with a first fitting hole 1111, the first positioning post 130 is in clearance fit with the first fitting hole 1111, and the first positioning post 130 is used for positioning the circuit board 300. The second positioning slot 112 is provided with a second matching hole 1121, the second positioning column 140 is in clearance fit with the second matching hole 1121, and the second positioning column 140 is used for positioning the display screen 200.

Since the first positioning post 130 is in clearance fit with the first fitting hole 1111 and the second positioning post 140 is in clearance fit with the second fitting hole 1121, when the circuit board 300 or the display screen 200 is placed and taken, the first positioning post 130 or the second positioning post 140 can have a certain displacement to buffer the contact collision between the circuit board 300 and the first positioning post 130 and between the display screen 200 and the second positioning post 140, so as to avoid the circuit board 300 or the display screen 200 from being damaged.

According to the display screen positioning jig 100 of the embodiment of the utility model, the first positioning post 130 is in clearance fit with the first fitting hole 1111 to position the circuit board 300, and the second positioning post 140 is in clearance fit with the second fitting hole 1121 to position the display screen 200. Thus, when the circuit board 300 and the display screen 200 are placed or taken, the first positioning column 130 and the second positioning column 140 can have a certain displacement, so as to buffer the contact collision between the circuit board 300 and the first positioning column 130, and between the display screen 200 and the second positioning column 140, and avoid the circuit board 300 or the display screen 200 from being damaged.

Referring to fig. 1, according to some embodiments of the present utility model, the first positioning posts 130 and the first fitting holes 1111 are plural, and the plural first positioning posts 130 respectively abut against multiple side edges of the circuit board 300. When the circuit board 300 is placed, the edge of the circuit board 300 abuts against the first positioning post 130 to perform positioning. The specific number of the first positioning posts 130 and the first fitting holes 1111 is not limited here as long as positioning of the circuit board 300 can be achieved. For example, the number of the first positioning posts 130 and the first fitting holes 1111 may be six, the first positioning groove 111 is a rectangular groove, the first fitting holes 1111 are formed at three side edges of the first positioning groove 111, two first positioning posts 130 are formed at each side edge, and two first positioning posts 130 are arranged at intervals. The edge of one side of the first positioning groove 111 may not be provided with the first positioning post 130, so that when the circuit board 300 is placed or taken out, the circuit board 300 is placed or taken out through the side of the first positioning groove 111 where the first positioning post 130 is not provided, and the operation is convenient.

In some embodiments, the second positioning posts 140 and the second matching holes 1121 are multiple, and the edge of the display screen 200 abuts against the second positioning posts 140 for positioning. The specific number of the second positioning posts 140 and the second fitting holes 1121 is not limited herein, and the positioning of the display screen 200 may be achieved. For example, the number of the second positioning posts 140 and the second fitting holes 1121 may be eight, and the eight second positioning posts 140 are spaced apart along the circumferential direction of the display screen 200, and a gap between any two adjacent second positioning posts 140 may be used for placing or taking the display screen 200. Taking the display screen 200 as a rectangular display screen for example, two second positioning posts 140 are disposed at each side of the display screen, thereby facilitating fixing of the display screen 200. Of course, the number of the second positioning columns 140 may be six, and six second positioning columns 140 may be disposed at edges of three sides of the display screen 200, and one side edge of the display screen 200 is not provided with the second positioning columns 140, so as to facilitate placement or taking of the display screen 200.

Referring to fig. 2, according to some embodiments of the present utility model, the number of first fitting holes 1111 is greater than the number of first positioning posts 130. Wherein a part of the first fitting holes 1111 may be fitted with the first positioning posts 130 to position the circuit board 300 of one size; after the other portion of the first fitting hole 1111 is fitted with the first positioning post 130, the circuit board 300 of another size may be positioned. Thus, the first fitting hole 1111 and the first positioning post 130 can position the positioning plates with different sizes, and the display screen positioning jig 100 has higher universality.

In some embodiments, the number of second mating holes 1121 is greater than the number of second positioning posts 140. Wherein a portion of the second fitting holes 1121 may be used to position the display screen 200 of one size after being fitted with the second positioning posts 140; after another portion of the second fitting hole 1121 is fitted with the second positioning post 140, another size of the display screen 200 may be positioned.

As such, the number and positions of the first and second fitting holes 1111 and 1121 may be set to position the circuit board 300 and the display screen 200 of different sizes by changing the positions at which the first and second positioning posts 130 and 1111, 140 and 1121 are fitted. Therefore, the display screen positioning jig 100 can adapt to the positioning requirements of the circuit boards 300 and the display screens 200 with various sizes, and the universality of the display screen positioning jig 100 is improved.

Referring to fig. 1 and 3, according to some embodiments of the present utility model, the depth of the second fitting hole 1121 is less than or equal to the height of the second positioning post 140. That is, a portion of the second positioning post 140 protrudes from the second fitting hole 1121, and a portion of the second positioning post 140 protruding from the second fitting hole 1121 abuts against the display screen 200, thereby positioning the display screen 200. In some embodiments, to avoid the second positioning post 140 having an excessive height, the second positioning post 140 abuts against the circuit board 300 to affect the positioning of the circuit board 300. The height of the second positioning posts 140 should be such that there is a gap between the top of the second positioning posts 140 and the bottom of the circuit board 300 when the circuit board 300 is positioned.

Referring to fig. 2 and fig. 4, according to some embodiments of the present utility model, a avoidance gap 113 is provided on the jig body 110, and the avoidance gap 113 is in communication with at least one of the first positioning groove 111 and the second positioning groove 112. That is, the escape notch 113 may communicate with the first positioning groove 111 or the second positioning groove 112, and the escape notch 113 may communicate with both the first positioning groove 111 and the second positioning groove 112. Thus, when the circuit board 300 or the display screen 200 is placed or taken, the circuit board 300 or the display screen 200 can be located in the avoidance notch 113, the avoidance notch 113 has a certain movable space, and the hand or the clamping device can extend into the avoidance notch 113, so that the circuit board 300 or the display screen 200 can be placed or taken conveniently. The number of the avoidance notches 113 may be one or more, for example, in the embodiment shown in fig. 1, two avoidance notches 113 are provided, and the two avoidance notches 113 are respectively provided on two opposite sides of the jig body 110, so that the circuit board 300 and the display screen 200 can be conveniently taken and placed.

In some embodiments, in order to further improve the convenience of operation, the avoidance gap 113 may be in a horn shape, and the avoidance gap 113 is gradually enlarged from the first positioning groove 111 to the direction of the outer surface of the jig body 110, so that a larger movement space may be reserved, so that the movement of the hand or the clamping device is facilitated. Of course, the avoidance notch 113 may have other shapes as long as it does not affect the placement and the taking of the circuit board 300 and the display screen 200. In order to further increase the movement space of the hand of the person or the gripping device, the depth of the avoidance gap 113 may also be increased.

In the embodiment shown in fig. 1, the jig body 110 is an integral molding. It should be noted that, the structure of the jig body 110 is not limited thereto, for example, referring to fig. 3 and 6, the jig body 110 may include: a housing 114, an adjustment assembly 115, and a cover 120.

Specifically, the base 114 defines a second positioning slot 112 therein, the second mating hole 1121 is provided in the base 114, and the second positioning post 140 mates with the second mating hole 1121. The position of the adjusting component 115 relative to the base 114 is adjustable, and the adjusting component 115 is suitable for abutting against the display screen 200 to push the display screen 200 against the second positioning post 140. The portions of the plurality of second positioning posts 140 protruding from the second fitting holes 1121 together form a space accommodating the display screen 200.

At least part of the adjusting component 115 is abutted against one side edge of the display screen 200, and because the position of the adjusting component 115 relative to the base 114 is adjustable, when the display screen 200 is placed, one side edge of the display screen 200 can be abutted against the adjusting component 115, and the adjusting component 115 is pushed away from the base 114, so that the accommodating space of the display screen 200 is enlarged. After the display screen 200 is placed in the second positioning groove 112, the adjusting component 115 is pushed slightly to enable the display screen 200 to abut against the second positioning column 140, so that positioning is achieved, and the position of the adjusting component 115 can be adjusted to apply appropriate force to clamp and fix the display screen 200. In this way, on one hand, the display screen 200 is prevented from being damaged due to the collision between the display screen 200 and the fixed second positioning column 140 in the process of placing the display screen 200, so that the convenience of operation is improved; on the other hand, positioning and clamping may be performed by adjusting the position of the adjustment assembly 115.

The cover 120 is used for clamping the adjusting component 115 between the base 114 and the cover 120, and the adjusting component 115 can slide relative to the base 114 and the cover 120. The cover 120 is detachably connected to the base 114, and the cover 120 and the base 114 may be connected through a fixing member 121 and a fixing hole 122. In some embodiments, the fixing member 121 may be a screw and the fixing hole 122 may be a screw hole. The cover plate 120 has a hollowed portion, and the hollowed portion constructs at least a part of the first positioning groove 111. For example, in the embodiment shown in fig. 3, the cover 120 has a rectangular hollow portion, the cover 120 has a U-shaped frame structure, and the seat 114 and the hollow portion of the cover 120 together define the first positioning slot 111. In order to facilitate the taking of the circuit board 300, the avoidance notch 113 may be disposed on the cover plate 120, and an opening of the avoidance notch 113 faces the hollowed-out portion of the cover plate 120.

The first fitting hole 1111 is defined by at least one of the cover 120 and the housing 114. For example, the first fitting hole 1111 may be disposed on the cover plate 120, and the first fitting hole 1111 communicates with a hollowed portion of the cover plate 120, so that a portion of the first positioning post 130 inserted into the first fitting hole 1111 may protrude from the cover plate 120 and stop against the circuit board 300 to position the circuit board 300. In some embodiments, the first fitting hole 1111 may be formed in the base 114, and since the first positioning post 130 extends out of the first fitting hole 1111 at this time, the stability of the first positioning post 130 is reduced, the first fitting hole 1111 may be positioned such that the first positioning post 130 is stopped against the inner side surface of the cover plate 120 to support the first positioning post 130. Of course, the first fitting hole 1111 may be defined by the cover 120 and the base 114, and a portion of the first fitting hole 1111 may be disposed on the base 114, and another portion of the first fitting hole 1111 may be disposed through the cover 120.

In order to facilitate the observation of the position of the display screen 200 in the second positioning groove 112, the position of the circuit board 300 in the first positioning groove 111, and the relative position between the display screen 200 and the circuit board 300, the cover 120 may be made of a transparent material, such as an acryl material.

Referring to fig. 6, in accordance with some embodiments of the present utility model, the adjustment assembly 115 includes a compression member 1151, a compression plate 1152, and an elastic member 1154. The pressing member 1151 is located in the second positioning groove 112, the pressing member 1151 is adapted to contact the display screen 200, the pressing member 1151 abuts against one side edge of the display screen 200, and the pressing member 1151 and the second positioning post 140 together define the position of the display screen 200. The pressing plate 1152 is located on an outer surface of the base 114, and the pressing plate 1152 is detachably connected to the base 114 through a screw 1153, and a distance between the pressing plate 1152 and the base 114 is adjustable through the screw 1153. The elastic member 1154 is disposed on the base 114, one end of the elastic member 1154 is connected to the pressing member 1151, and the other end is connected to the pressing plate 1152, where the elastic member 1154 may be compressed, so that the pressing member 1151 may press the display screen 200.

Thus, when the display screen 200 is placed, an edge of one side of the display screen 200 abuts against the pressing member 1151 and pushes the pressing member 1151 to slide out of the second positioning groove 112, and the pressing member 1151 drives the pressing plate 1152 to move away from the base 114 through the elastic member 1154. After the display screen 200 is placed in the second positioning groove 112, the pressing plate 1152 is pushed from the outside of the base 114 to approach the base 114, and the pressing member 1151 is driven by the spring member to slide into the second positioning groove 112, so as to push the display screen 200 to a position against the second positioning post 140. Finally, the position of the pressing plate 1152 is fixed by the screw member 1153, and at this time, the pressing plate 1152 may be adjusted to a proper position, so that the elastic member 1154 is compressed to provide a proper elastic force to press the display screen 200. In some embodiments, the elastic member 1154 is a spring and the elastic member 1154 is a plurality of spaced apart.

Referring to fig. 5, according to some embodiments of the present utility model, a mounting groove 1141 is formed on the base 114, one end of the mounting groove 1141 is in communication with the second positioning groove 112, and the other end of the mounting groove 1141 is in communication with the outer surface of the base 114. That is, the mounting groove 1141 penetrates the side wall of the housing 114 in the wall thickness direction of the housing 114. The elastic member 1154 and the pressing member 1151 are disposed in the mounting groove 1141, and a portion of the cover plate 120 is disposed over the mounting groove 1141, and the pressing member 1151 and the spring are slidably disposed in the mounting groove 1141.

Referring to fig. 6, according to some embodiments of the present utility model, the pressing member 1151 has a pressing member body 1156 and a contact portion 1155, the pressing member body 1156 slides along the mounting groove 1141, a portion of the pressing member 1151 may protrude from the base 114, a side of the pressing member 1151 facing the display screen 200 has a plurality of contact portions 1155, a surface of the contact portion 1155 facing the display screen 200 is planar, and an edge of the display screen 200 is abutted against the contact portions 1155. A weight-reducing groove 1157 is provided between any adjacent two of the contact portions 1155 to simplify the structure of the pressing member 1151 and reduce the weight of the pressing member 1151.

Referring to fig. 5, in some embodiments, the contact 1155 may protrude from both sides of the clamp body 1156, and the mounting groove 1141 may have a branch groove 1142 for sliding movement of the contact 1155, and the branch groove 1142 may limit the position of the contact 1155. In this way, the position of the pressing member 1151 can be restricted within the mounting groove 1141 by the contact portion 1155, preventing the pressing member 1151 from sliding out of the mounting groove 1141.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides a display screen positioning jig, its characterized in that, display screen positioning jig be used for to the display screen and with the circuit board that the display screen electricity is connected, just display screen positioning jig includes:

2. The display screen positioning jig of claim 1, wherein the first positioning post and the first mating hole are all plural;

or the second positioning columns and the second matching holes are multiple.

3. The display screen positioning jig of claim 2, wherein the number of first mating holes is greater than the number of first positioning posts;

4. The display screen positioning jig of claim 1, wherein the depth of the second mating hole is less than or equal to the height of the second positioning post.

5. The display screen positioning jig of claim 1, wherein the jig body is provided with an avoidance notch, the avoidance notch is communicated with at least one of the first positioning groove and the second positioning groove, and the avoidance notch is in a horn shape.

6. The display screen positioning jig of any one of claims 1-5, wherein the jig body is an integral piece.

7. The display screen positioning jig of any one of claims 1-5, wherein the jig body comprises:

8. The display screen positioning jig of claim 7, wherein the adjustment assembly comprises:

9. The display screen positioning jig of claim 8, wherein the base is provided with a mounting groove, and the elastic member and the pressing member are both positioned in the mounting groove.

10. The display screen positioning jig of claim 8, wherein the side edge of the pressing piece facing the display screen is provided with a plurality of contact portions, the surface of the contact portions facing the display screen is a plane, and a weight reduction groove is formed between any two adjacent contact portions.