Convenient test fixture
By conveniently testing the thimble of the fixture and the contact ball of the conductor, the problems of breakage and low efficiency during the insertion of the traditional metal clip are solved, and more efficient LCD screen functional testing is achieved.
Patent Information
- Application Number
- CN202420925347.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-29
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-04-29
AI Technical Summary
Traditional metal clips are prone to breaking during insertion during LCD functional tests, and the test efficiency is low.
A convenient test fixture is designed, using a thimble to connect the contact ball of the conductor, instead of the traditional metal clip, inserted into the test base to prevent breakage and improve test efficiency.
It effectively prevents the breakage of the conductors and improves the efficiency of LCD screen function testing.
Smart Images

Figure CN222354166U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fixtures, in particular to a convenient testing fixture. Background Art
[0002] Traditionally, LCD screens using STN glass usually use metal clips as interfaces, and then insert the trunk of the metal clip into the test base to perform functional tests on the LCD screen, such as Figure 1 However, the testing method is not only inefficient, but also the trunk part is easily broken due to inaccurate positioning during the insertion process. Utility Model Content
[0003] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a convenient test fixture that can replace the trunk of a metal clip and be inserted into a test base to perform functional testing on a liquid crystal screen, thereby improving the efficiency of the test.
[0004] The purpose of this utility model is achieved through the following technical solutions:
[0005] The first aspect of the present application provides a convenient test fixture, including: a screen assembly, including a screen body and a conductive piece, the conductive piece is arranged on the screen body; a test assembly, including a base and a ejector pin, the ejector pin is arranged on the base, and the ejector pin is connected to the conductive piece.
[0006] The conductive component includes a metal clip and a support arm. The metal clip is arranged on the screen body. The support arm is arranged on the metal clip. The support arm is connected to the ejector pin.
[0007] The screen body includes a first glass plate and a second glass plate, the first glass plate is arranged on the second glass plate, and the metal clip is arranged on the first glass plate.
[0008] The screen body further includes a chip, and the chip is arranged on the first glass plate.
[0009] The screen body further comprises a colloid, and the colloid is arranged on the chip.
[0010] The length of the first glass sheet is greater than the length of the second glass sheet.
[0011] The test assembly further comprises a contact ball, which is arranged on the ejector pin and connected to the support arm.
[0012] The contact ball has a circular cross-sectional structure.
[0013] The thickness of the first glass plate is the same as the thickness of the second glass plate.
[0014] The test assembly also includes a drive plate, and the drive plate is arranged in the base.
[0015] Compared with the prior art, the utility model has at least the following advantages:
[0016] By providing an ejector pin, the ejector pin is directly brought into contact with the conductive component during testing, replacing the traditional method of inserting the conductive component into the test base to perform functional testing on the LCD screen. This can prevent the conductive component from breaking and improve test efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments are briefly introduced below.
[0018] Figure 1 It is a structural schematic diagram of a convenient test fixture in the prior art;
[0019] Figure 2 It is a structural schematic diagram of a convenient test fixture in one embodiment of the utility model. DETAILED DESCRIPTION
[0020] The embodiments of the present application will be described in more detail below with reference to the accompanying drawings. Although the embodiments of the present application are shown in the accompanying drawings, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the present application more thorough and complete, and to fully convey the scope of the present application to those skilled in the art.
[0021] It should be understood that although the terms "first", "second", "third", etc. may be used in this application to describe various information, this information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of this application, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.
[0022] Unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, or a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0023] See also Figure 2 A convenient test fixture includes: a screen assembly 100 and a test assembly 200, the screen assembly 100 includes a screen body 110 and a conductive member 120, and the conductive member 120 is arranged on the screen body 110; the test assembly 200 includes a base 210 and a ejector pin 220, and the ejector pin 220 is arranged on the base 210, and the ejector pin 220 is connected to the conductive member 120.
[0024] It should be noted that the conductive member 120 includes a metal clip 121 and a support arm 122, the metal clip 121 is disposed on the screen body 110, the support arm 122 is disposed on the metal clip 121, and the support arm 122 is connected to the ejector pin 220. The support arm 122 is the trunk portion of the conductive member 120, and during testing, the ejector pin 220 is directly in contact with the support arm 122, replacing the traditional method of inserting the support arm 122 into the test base 210 to perform a functional test on the LCD screen, which can prevent the support arm 122 from breaking and improve the test efficiency.
[0025] See also Figure 2 In one embodiment, the screen body 110 includes a first glass plate 111 and a second glass plate 112, the first glass plate 111 is disposed on the second glass plate 112, and the metal clip 121 is disposed on the first glass plate 111. Specifically, the length of the first glass plate 111 is greater than the length of the second glass plate 112. More specifically, the thickness of the first glass plate 111 is the same as the thickness of the second glass plate 112.
[0026] It should be noted that a liquid crystal box is formed between the first glass plate 111 and the second glass plate 112 . When the conductive member 120 is energized, the liquid crystal in the liquid crystal box will be deflected, thereby displaying a pattern.
[0027] See also Figure 2 In one embodiment, the screen body 110 further includes a chip 113 , and the chip 113 is disposed on the first glass plate 111 .
[0028] It should be noted that the chip 113 is used to drive the liquid crystal screen to perform corresponding operations.
[0029] See also Figure 2 In one embodiment, the screen 110 further includes a colloid 114, and the colloid 114 is disposed on the chip 113. It should be noted that the colloid 114 is used to protect the chip 113.
[0030] See also Figure 2 In one embodiment, the test assembly 200 further includes a contact ball 230, which is disposed on the ejector pin 220 and connected to the support arm 122. Specifically, the contact ball 230 has a circular cross-sectional structure.
[0031] It should be noted that, by providing the contact ball 230 , the contact area of the ejector pin 220 can be enlarged.
[0032] In one embodiment, the testing assembly 200 further includes a driving board, which is disposed in the base 210 .
[0033] It should be noted that the driving board is disposed inside the base 210 and is electrically connected to the ejector pin 220. It is used to turn on the liquid crystal screen.
[0034] The scheme of the present application has been described in detail above with reference to the accompanying drawings. In the above embodiments, the descriptions of the various embodiments have their own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments. Those skilled in the art should also be aware that the actions and modules involved in the specification are not necessarily required for the present application. In addition, it can be understood that the steps in the method of the embodiment of the present application can be adjusted in order, merged and deleted according to actual needs, and the modules in the device of the embodiment of the present application can be merged, divided and deleted according to actual needs.
[0035] The embodiments of the present application have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles of the embodiments, practical applications, or improvements to the technology in the market, or to enable other persons of ordinary skill in the art to understand the embodiments disclosed herein.
Claims
1. A convenient test fixture, characterized in that: include: A screen assembly, comprising a screen body and a conductive member, wherein the conductive member is arranged on the screen body; The test assembly comprises a base and an ejector pin, wherein the ejector pin is arranged on the base and connected to the conductive member.
2. The convenient test fixture according to claim 1, characterized in that: The conductive component includes a metal clip and a support arm. The metal clip is arranged on the screen body. The support arm is arranged on the metal clip. The support arm is connected to the ejector pin.
3. The convenient test fixture according to claim 2, characterized in that: The screen body includes a first glass plate and a second glass plate, the first glass plate is arranged on the second glass plate, and the metal clip is arranged on the first glass plate.
4. The convenient test fixture according to claim 3, characterized in that: The screen body further includes a chip, and the chip is arranged on the first glass plate.
5. The convenient test fixture according to claim 4, characterized in that: The screen body further comprises a colloid, and the colloid is arranged on the chip.
6. The convenient test fixture according to claim 4, characterized in that: The length of the first glass sheet is greater than the length of the second glass sheet.
7. The convenient test fixture according to claim 6, characterized in that: The test assembly further comprises a contact ball, which is arranged on the ejector pin and connected to the support arm.
8. The convenient test fixture according to claim 7, characterized in that: The contact ball has a circular cross-sectional structure.
9. The convenient test fixture according to claim 7, characterized in that: The thickness of the first glass plate is the same as the thickness of the second glass plate.
10. The convenient test fixture according to claim 1, characterized in that: The test assembly also includes a drive plate, and the drive plate is arranged in the base.