CN215526280U

CN215526280U - Positioning device for backlight source detection

Info

Publication number: CN215526280U
Application number: CN202120753925.9U
Authority: CN
Inventors: 张再江
Original assignee: Shenzhen Xinsenkai Technology Co ltd
Current assignee: Shenzhen Xinsenkai Technology Co ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2022-01-14
Anticipated expiration: 2031-04-13

Abstract

The utility model provides a positioning device for backlight source detection, which comprises a base, wherein the base is of a quadrilateral structure, a first limiting block and a second limiting block are respectively arranged on two adjacent sides of the base, an ejection mechanism is arranged on two adjacent sides of the other base, the ejection mechanism comprises an air cylinder and an ejection block, the ejection block is connected with the output end of the air cylinder, the air cylinder is a gas-liquid damping cylinder, and a pressure sensor is embedded in the ejection block; the backlight source positioning device comprises a cylinder, a pressure sensor and a control module, wherein the cylinder is a gas-liquid damping cylinder, the pressure sensor is arranged on the cylinder, the cylinder is connected with the pressure sensor, the pressure sensor is arranged on the cylinder, the cylinder is connected with the pressure sensor, and the cylinder is connected with the pressure sensor.

Description

Positioning device for backlight source detection

Technical Field

The utility model relates to the technical field of positioning devices, in particular to a positioning device for backlight source detection.

Background

The backlight source is the light emitting source of a human-computer interface liquid crystal display of high-end intelligent equipment, the light emitting effect of the backlight source determines the image quality of the display screen, the satisfaction degree of a consumer on the picture effect of the intelligent display equipment is directly influenced, in the production process of the backlight source, the cleanliness requirements of materials and the production environment meet the requirement of a space level, and more manual operation processes in the production process of the backlight source easily generate defective products.

The backlight source mainly comprises a light source, a light guide plate, an optical die sheet and a structural part, the structure of each part is fragile, and in the positioning step of detecting the backlight source, the existing positioning device is often easy to crush and scrape the backlight source, so that the yield of the backlight source is greatly reduced, and the loss is serious.

Therefore, it is desirable to design a positioning device for backlight inspection to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a positioning device for backlight source detection, which is used for solving the problem that the conventional positioning device is easy to crush and scrape the backlight source to cause loss.

In order to solve the above problems, the present invention provides the following technical solutions: the positioning device for backlight source detection comprises a base, wherein the base is of a quadrilateral structure, a first limiting block and a second limiting block are respectively arranged on two adjacent sides of the base, an ejection mechanism is arranged on the other two adjacent sides of the base, the ejection mechanism comprises an air cylinder and an ejection block, the ejection block is connected to the output end of the air cylinder, the air cylinder is a gas-liquid damping cylinder, and a pressure sensor is embedded in the ejection block;

the base is provided with a backlight source supporting seat for placing a backlight source, the size of the backlight source supporting seat is smaller than that of the backlight source, and the backlight source is positioned under the action of the two ejection mechanisms and the two limiting blocks.

Further, the cylinder is of a double-acting cylinder structure.

Furthermore, the surfaces of the ejection block and the first limiting block are made of flexible materials, and the second limiting block is made of metal materials.

Furthermore, the flexible material is a silica gel layer.

Furthermore, chamfer structures are formed on the edges of the ejection block and the first limiting block.

Furthermore, the surface of the backlight source supporting seat is a smooth plane.

Furthermore, one of the ejection blocks is opposite to the first limiting block, and the other ejection block is opposite to the second limiting block.

Compared with the prior art, the utility model has at least the following beneficial effects:

the backlight source positioning device comprises a cylinder, a pressure sensor and a control module, wherein the cylinder is a gas-liquid damping cylinder, the pressure sensor is arranged on the cylinder, the cylinder is connected with the pressure sensor, the pressure sensor is arranged on the cylinder, the cylinder is connected with the pressure sensor, and the cylinder is connected with the pressure sensor.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of a positioning process of an embodiment of the present invention;

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

FIG. 3 is a schematic diagram of a backlight according to an embodiment of the utility model;

fig. 4 is a schematic structural diagram of an ejection mechanism in an embodiment of the utility model.

The device comprises a base 1, a base 101, a first limiting block 102, a second limiting block 103, a backlight source supporting seat 2, an ejection mechanism 21, an air cylinder 22, an ejection block 2201, a chamfer structure 23, a double-acting air cylinder structure 24, a pressure sensor 3 and a backlight source.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention. It is to be understood that the drawings are provided solely for the purposes of reference and illustration and are not intended as a definition of the limits of the utility model. The connection relationships shown in the drawings are for clarity of description only and do not limit the manner of connection.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It should also be noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; either mechanically or electrically, and may be internal to both elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

It should be noted that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. 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.

Referring to fig. 1 to 4, the portable electronic device includes a base 1, the base 1 is a quadrilateral structure, two adjacent sides of the base 1 are respectively provided with a first limiting block 101 and a second limiting block 102, two adjacent sides of the base 1 are respectively provided with an ejection mechanism 2, the ejection mechanism 2 includes an air cylinder 21 and an ejection block 22, the ejection block 22 is connected to an output end of the air cylinder 21, the air cylinder 21 is a gas-liquid damping cylinder, and the ejection block 22 is further embedded with a pressure sensor 24;

the base 1 is provided with a backlight supporting seat 103 for placing a backlight 3, the size of the backlight supporting seat 103 is smaller than that of the backlight 3, the ejection blocks 22 can be ensured to act on the backlight 3, the two ejection mechanisms 2 are used for positioning the backlight 3 under the action of the two limiting blocks, and the two ejection blocks 22 are respectively aligned with the first limiting block 101 and the second limiting block 102.

In this embodiment, the cylinder 21 has a double-acting cylinder structure. The double-shaft output enables the ejection block 22 to be pushed out more stably, and avoids damage to the backlight 3 caused by uneven stress.

In addition, the surfaces of the two ejection blocks 22 and the first limiting block 101 are both made of flexible materials, and the second limiting block 102 is made of metal materials. Most of the backlight sources 3 leave a metal edge with one side for assembly, therefore, the metal edge corresponds to the second limiting block 102, in the process of pressing the ejection mechanism 2 and the two limiting blocks, the flexible material is used for protecting the backlight sources 3 from being scratched, the metal material is used for ensuring the positioning stability, and deformation is not easy to occur.

Further provided, the flexible material is a silica gel layer.

In this embodiment, a chamfer 2201 is further formed at the edge of the ejection block 22 and the first stopper 101. The backlight source 3 is not easy to be knocked and damaged in the process of taking and placing.

As shown in fig. 2, the surface of the backlight support seat 103 is a smooth plane. The backlight 3 can slide on the backlight support base 103 without hindrance.

The working mode of the utility model is as follows: place the backlight earlier on the backlight supporting seat, secondly can drive two ejection mechanism simultaneously, also can drive respectively two ejection mechanism, set up a pressure value in advance to pressure sensor, when ejecting piece compresses tightly the in-process to the backlight, pressure sensor reaches this pressure value, and the cylinder just stops and keeps this state, realizes spacing to the backlight, has effectively protected simultaneously that the backlight is not crushed and scrapes the flower.

Throughout the description and claims of this application, the words "comprise/comprises" and the words "have/includes" and variations of these are used to specify the presence of stated features, values, steps or components but do not preclude the presence or addition of one or more other features, values, steps, components or groups thereof.

Some features of the utility model, which are, for clarity, described in the context of separate embodiments, may also be provided in combination in a single embodiment. Conversely, certain features of the utility model, which are, for brevity, described in the context of a single embodiment, may also be provided separately or in any suitable combination in different embodiments.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A positioning device for backlight source detection is characterized by comprising a base, wherein the base is of a quadrilateral structure, a first limiting block and a second limiting block are respectively arranged on two adjacent sides of the base, an ejection mechanism is arranged on two adjacent sides of the base, the ejection mechanism comprises an air cylinder and an ejection block, the ejection block is connected to the output end of the air cylinder, the air cylinder is a gas-liquid damping cylinder, and a pressure sensor is embedded in the ejection block;

2. The positioning device for backlight source detection according to claim 1, wherein the air cylinder is a double-acting air cylinder structure.

3. The positioning device for backlight source detection according to claim 2, wherein the surfaces of the ejection block and the first limiting block are made of a flexible material, and the second limiting block is made of a metal material.

4. The positioning device for backlight source detection according to claim 3, wherein the flexible material is a silicone layer.

5. The positioning device for backlight source detection according to claim 4, wherein the edge of the first stopper and the edge of the ejection block are further formed with a chamfer structure.

6. The positioning device for backlight source detection according to claim 1, wherein the surface of the backlight source supporting seat is a smooth plane.

7. The positioning device for backlight source detection according to any one of claims 1 to 6, wherein one of the ejection blocks is opposite to the first stopper, and the other ejection block is opposite to the second stopper.