TFT (Thin Film Transistor) test head protection jig
By designing the TFT test head protective fixture and using positioning grooves and positioning columns to isolate the test head, the problem of probe bumping and deformation is solved, and cost savings are achieved.
Patent Information
- Application Number
- CN202422076161.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-26
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2034-08-26
AI Technical Summary
The existing TFT test heads are easy to mix when stacked on shelves, and the probes are prone to bumping and deforming, which increases costs.
A TFT test head protective fixture is designed to form a placement space through the bottom plate, side plate and surface cover, and set the positioning slot and positioning column inside. The test head is stuck between the corresponding front and rear positioning slots, and the probe is protected by a soft layer and anti-static material.
Effectively avoid probe bumps, reduce deformation and save costs.
Smart Images

Figure CN223205516U_ABST
Abstract
Description
Technical field
[0001] The utility model relates to the technical field of fixtures, in particular to a TFT test head protection fixture. [Background Technology]
[0002] The existing TFT test heads are usually stacked on shelves, and the test heads are easily mixed. The probes often collide with each other and deform, causing loss and increasing costs. [Utility Model Content]
[0003] In order to overcome the above problems, the present invention proposes a TFT test head protection fixture that can effectively solve the above problems.
[0004] The utility model provides a technical solution to solve the above technical problems: a TFT test head protection fixture is provided, comprising a bottom plate, a face cover, a left side plate, a right side plate, a rear side plate and a front side plate, the bottoms of the rear side plate and the front side plate are respectively connected to the bottom plate, the left side plate is connected to the left side of the rear side plate and the front side plate, the right side plate is connected to the right side of the rear side plate and the front side plate, and the face cover is respectively clamped with the left side plate, the right side plate and the rear side plate; the bottom plate, the left side plate, the right side plate, the rear side plate and the front side plate together form a placement space, and the test head is placed in the placement space; a plurality of protruding rear positioning posts are provided on the inner side of the rear side plate, and a rear positioning groove is formed between two adjacent rear positioning posts, and a plurality of protruding front positioning posts are provided on the inner side of the front side plate, and a front positioning groove is formed between two adjacent front positioning posts, the front positioning grooves and the rear positioning grooves correspond to each other one by one, and a test head is clamped between a front positioning groove and a rear positioning groove corresponding to each other.
[0005] Preferably, the bottom plate is provided with a recessed lower positioning groove, a plurality of lower rear positioning grooves are provided on one side of the lower positioning groove, a plurality of lower front positioning grooves are provided on one side of the lower positioning groove, the lower rear positioning grooves correspond one-to-one to the rear positioning grooves, and the lower front positioning grooves correspond one-to-one to the front positioning grooves.
[0006] Preferably, a soft layer is provided in the lower positioning groove, the rear positioning groove and the front positioning groove.
[0007] Preferably, the height of the rear positioning column is higher than that of the front positioning column, a rear inlay groove is provided on the rear positioning column, the width of the rear inlay groove matches the thickness of the face cover, and one side of the face cover is embedded in the rear inlay groove.
[0008] Preferably, a left inlay groove is provided on the inner side of the left side panel, and a right inlay groove is provided on the inner side of the right side panel. The widths of the left inlay groove and the right inlay groove match the thickness of the face cover, and the two side edges of the face cover are respectively embedded in the left inlay groove and the right inlay groove.
[0009] Preferably, the left inlay groove, the right inlay groove and the rear inlay groove are all located at the same height.
[0010] Preferably, the heights of the left side panel, the right side panel and the rear side panel are all greater than the height of the front side panel.
[0011] Preferably, the left side panel is provided with a left opening, and the right side panel is provided with a right opening.
[0012] Preferably, the surface cover is provided with an upper opening.
[0013] Preferably, the bottom plate, the surface cover, the left side plate, the right side plate, the rear side plate and the front side plate are all made of anti-static bakelite.
[0014] Compared with the existing technology, the TFT test head protection fixture of the present invention achieves the effect of mutual isolation by clamping each test head between a corresponding front positioning groove and a rear positioning groove, which can effectively avoid mutual collision, avoid probe deformation, reduce loss, and save costs.
Brief Description of the Drawings
[0015] Figure 1 This is an overall diagram of the TFT test head protection fixture of the utility model;
[0016] Figure 2 This is an exploded view of the TFT test head protection fixture of the present invention. [Specific implementation method]
[0017] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and implementation examples. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.
[0018] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are limited to relative positions on a specified view, rather than absolute positions.
[0019] In addition, the terms "first," "second," and so on, used in this utility model are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, features specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.
[0020] See also Figure 1 and Figure 2The TFT test head protection fixture of the present invention includes a base plate 10, a cover 20, a left side plate 30, a right side plate 40, a rear side plate 50, and a front side plate 60. The bottoms of the rear side plate 50 and the front side plate 60 are respectively connected to the base plate 10, the left side plate 30 is connected to the left side of the rear side plate 50 and the front side plate 60, and the right side plate 40 is connected to the right side of the rear side plate 50 and the front side plate 60. The cover 20 is snap-fitted to the left side plate 30, the right side plate 40, and the rear side plate 50, respectively. The cover 20 is snap-fitted by sliding, making it easy to assemble and disassemble.
[0021] The bottom plate 10 , the left side plate 30 , the right side plate 40 , the rear side plate 50 and the front side plate 60 together form a placement space, and the test head 70 is placed in the placement space.
[0022] The inner side of the rear side plate 50 is provided with a plurality of protruding rear positioning posts 51, and a rear positioning groove 52 is formed between two adjacent rear positioning posts 51. The inner side of the front side plate 60 is provided with a plurality of protruding front positioning posts 61, and a front positioning groove 62 is formed between two adjacent front positioning posts 61. The front positioning grooves 62 and the rear positioning grooves 52 correspond one to one, and a test head 70 is clamped between a corresponding front positioning groove 62 and a corresponding rear positioning groove 52.
[0023] The TFT test head protection fixture of the present invention achieves the effect of mutual isolation by clamping each test head 70 between a corresponding front positioning groove 62 and a corresponding rear positioning groove 52, which can effectively avoid mutual collision, avoid probe deformation, reduce loss, and save costs.
[0024] The bottom plate 10 is provided with a recessed lower positioning groove 11, and a plurality of lower rear positioning grooves 12 are provided on one side of the lower positioning groove 11. A plurality of lower front positioning grooves 13 are provided on one side of the lower positioning groove 11. The lower rear positioning grooves 12 correspond one-to-one to the rear positioning grooves 52, and the lower front positioning grooves 13 correspond one-to-one to the front positioning grooves 62.
[0025] A soft layer may be provided in the lower positioning groove 11 , the rear positioning groove 52 and the front positioning groove 62 to improve the protective effect.
[0026] The height of the rear positioning column 51 is higher than that of the front positioning column 61 . A rear inlay groove 53 is formed on the rear positioning column 51 . The width of the rear inlay groove 53 matches the thickness of the cover 20 . One side of the cover 20 is embedded in the rear inlay groove 53 .
[0027] A left inlay groove 31 is provided on the inner side of the left side plate 30, and a right inlay groove 41 is provided on the inner side of the right side plate 40. The widths of the left inlay groove 31 and the right inlay groove 41 match the thickness of the face cover 20, and the two side edges of the face cover 20 are respectively embedded in the left inlay groove 31 and the right inlay groove 41.
[0028] The left inlay groove 31 , the right inlay groove 41 and the rear inlay groove 53 are all located at the same height.
[0029] The heights of the left side panel 30 , the right side panel 40 and the rear side panel 50 are all greater than the height of the front side panel 60 , in order to reserve space for the face cover 20 to be embedded from front to back.
[0030] The left side plate 30 is provided with a left opening 32 , and the right side plate 40 is provided with a right opening 42 . The left opening 32 and the right opening 42 are convenient for observation and transportation.
[0031] The cover 20 is provided with an upper opening 21 for easy observation.
[0032] The bottom plate 10 , the surface cover 20 , the left side plate 30 , the right side plate 40 , the rear side plate 50 and the front side plate 60 are all made of anti-static bakelite.
[0033] Compared with the prior art, the TFT test head protection fixture of the present invention achieves the effect of mutual isolation by clamping each test head 70 between a corresponding front positioning groove 62 and a rear positioning groove 52, which can effectively avoid mutual collision, avoid probe deformation, reduce loss, and save costs.
[0034] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. Any modifications, equivalent replacements and improvements made within the concept of the present invention should be included in the patent protection scope of the present invention.
Claims
1. A TFT test head protection fixture, characterized in that: It includes a bottom plate, a face cover, a left side plate, a right side plate, a rear side plate and a front side plate, wherein the bottoms of the rear side plate and the front side plate are respectively connected to the bottom plate, the left side plate is connected to the left side of the rear side plate and the front side plate, the right side plate is connected to the right side of the rear side plate and the front side plate, and the face cover is respectively clamped with the left side plate, the right side plate and the rear side plate; The bottom plate, the left side plate, the right side plate, the rear side plate and the front side plate together form a placement space, and the test head is placed in the placement space; The inner side of the rear side plate is provided with a plurality of protruding rear positioning posts, and a rear positioning groove is formed between two adjacent rear positioning posts. The inner side of the front side plate is provided with a plurality of protruding front positioning posts, and a front positioning groove is formed between two adjacent front positioning posts. The front positioning grooves and the rear positioning grooves correspond to each other one by one, and a test head is stuck between a corresponding front positioning groove and a corresponding rear positioning groove.
2. The TFT test head protection fixture according to claim 1, characterized in that: The bottom plate is provided with a concave lower positioning groove, a plurality of lower rear positioning grooves are provided on one side of the lower positioning groove, a plurality of lower front positioning grooves are provided on one side of the lower positioning groove, the lower rear positioning grooves correspond to the rear positioning grooves one-to-one, and the lower front positioning grooves correspond to the front positioning grooves one-to-one.
3. The TFT test head protection fixture according to claim 2, characterized in that: Soft layers are arranged in the lower positioning groove, the rear positioning groove and the front positioning groove.
4. The TFT test head protection fixture according to claim 1, wherein: The height of the rear positioning column is higher than that of the front positioning column. A rear inlay groove is formed on the rear positioning column. The width of the rear inlay groove matches the thickness of the face cover. One side of the face cover is embedded in the rear inlay groove.
5. The TFT test head protection fixture according to claim 4, characterized in that: A left inlay groove is provided on the inner side of the left side plate, and a right inlay groove is provided on the inner side of the right side plate. The widths of the left inlay groove and the right inlay groove match the thickness of the face cover, and the two side edges of the face cover are respectively embedded in the left inlay groove and the right inlay groove.
6. The TFT test head protection fixture according to claim 5, characterized in that: The left inlay groove, the right inlay groove and the rear inlay groove are all located at the same height.
7. The TFT test head protection fixture according to claim 1, wherein: The heights of the left side panel, the right side panel and the rear side panel are all greater than the height of the front side panel.
8. The TFT test head protection fixture according to claim 1, wherein: The left side panel is provided with a left opening, and the right side panel is provided with a right opening.
9. The TFT test head protection fixture according to claim 1, wherein: An upper opening is provided on the surface cover.
10. The TFT test head protection fixture according to claim 1, wherein: The bottom plate, the surface cover, the left side plate, the right side plate, the rear side plate and the front side plate are all made of anti-static bakelite.