Precision chip test pin module

Abstract

The utility model relates to the technical field of test pin modules, in particular to a precision chip test pin module, which comprises a fixed bottom template and an adapter PCBA (printed circuit board assembly), a deflection mechanism is arranged on the outer wall of the fixed bottom template and comprises a fixed frame, an elastic clamping plate and a push rod, the lower end of the fixed frame is fixedly connected with the fixed bottom template, and the lower end of the elastic clamping plate is fixedly connected with the adapter PCBA. The outer wall of the elastic clamping plate abuts against the fixed bottom formwork, the end of the push rod abuts against the fixed bottom formwork, and the inner wall of the fixing frame is rotationally connected with the turnover plate body plate. An elastic clamping plate is manually pulled to be separated from a fixed bottom template, a push rod is extruded through a spring, the push rod reversely applies pressure to a turnover plate body, the turnover plate body and the fixed bottom template are separated in advance, the surface of the fixed bottom template is exposed, a limiting block on an upper needle plate can be pulled at the moment, and the interior of the upper needle plate is exposed; and the double-end needle can be directly replaced, so that the separation and disassembly processes are more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of test needle modules, in particular to a precision chip test needle module. Background Art

[0002] PCBA is the abbreviation of Printed Circuit Board + Assembly, which means that the blank PCB is processed through SMT and then goes through the entire process of DIP plug-in, referred to as PCBA; PCBA is processed on a blank PCB, and components such as resistors and capacitor chips are installed to form a board with certain functions. The core part of all electronic products is composed of PCBA: The design of printed circuit boards is based on electronic circuit diagrams to achieve the functions required by circuit users.

[0003] For example, a high-precision new double-ended needle test module with the authorization announcement number "CN209446644U" has solved the problem of the existing high-precision new double-ended needle test module that the PCBA is easily damaged by touching the PCBA during the disassembly and assembly process. The above-mentioned device is assembled, and then the buckle is opened, and the PCBA to be tested is placed on the fixed bottom template, and then the flip mold main plate is rotated by the upper and lower mold rotating shafts to firmly fix the PCBA, and the buckle is connected to the rotating shaft to achieve locking for use. Considering the existing high-precision new double-ended needle test module, the position of the shaft pressure plate is restricted by pressing the buckle from the side end, and considering that after the buckle is separated from the shaft pressure plate, the shaft pressure plate and the lower end device are still in a fitted state, which makes it inconvenient to replace the test components. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that the rotating shaft pressure plate and the lower end device are still in a fitting state in the existing high-precision new double-ended needle test module, resulting in inconvenience in replacing the test components, and to propose a precision chip test needle module.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a precision chip test needle module, comprising a fixed bottom template and a transfer PCBA, the outer wall of the fixed bottom template is provided with a deflection mechanism, the deflection mechanism comprises a fixed frame, an elastic clamp and a push rod, the lower end of the fixed frame is fixedly connected to the fixed bottom template, the outer wall of the elastic clamp is tightly against the fixed bottom template, the end of the push rod is tightly against the fixed bottom template, the inner wall of the fixed frame is rotatably connected to the flip plate main plate, the outer wall of the flip plate main plate is fixedly connected to the elastic clamp, the inner wall of the flip plate main plate is fixedly connected to the spring, and the outer wall of the spring is fixedly connected to the push rod.

[0006] Preferably, a connecting mechanism is provided at the lower end of the adapter PCBA, and the connecting mechanism includes an upper needle plate and a double-ended needle. The lower end of the adapter PCBA is fixedly connected to the upper needle plate, and the upper end of the double-ended needle is electrically connected to the adapter PCBA. The inner wall of the upper needle plate is provided with a limiting block, the outer wall of the upper needle plate is tightly pressed against the limiting block, and the inner wall of the upper needle plate is movably connected to the double-ended needle.

[0007] Preferably, a placement groove is installed on the inner wall of the fixed bottom template, and the inner wall of the placement groove is movably connected to the connector.

[0008] Preferably, the outer wall of the main body plate of the flip plate is fixedly connected to the limit bar, and the outer wall of the limit bar is tightly pressed against the transfer PCBA.

[0009] Preferably, a floating needle plate is installed at the lower end of the upper needle plate.

[0010] Preferably, a disassembly cover is rotatably connected to the inner wall of the fixed bottom template.

[0011] The utility model proposes a precision chip test needle module, which has the beneficial effect of: manually depressing the elastic clamping plate to separate the elastic clamping plate from the fixed bottom template, squeezing the push rod through the spring, and applying reverse pressure to the flip plate body to separate the flip plate body from the fixed bottom template in advance, exposing the surface of the fixed bottom template, and then depressing the limit block on the upper needle plate to expose the inside of the upper needle plate, so that the double-ended needle can be directly replaced, making the separation and disassembly process more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 for Figure 1 Schematic diagram of the cross-sectional structure in the middle front view;

[0014] Figure 3 for Figure 1 Schematic diagram of the cross-sectional structure from top view;

[0015] Figure 4 for Figure 1 A schematic diagram of the enlarged structure of the middle fixed bottom template;

[0016] Figure 5 for Figure 1 A schematic diagram of the enlarged structure of the deflection mechanism in the middle;

[0017] Figure 6 for Figure 1 A schematic diagram of the enlarged structure of the middle connecting mechanism;

[0018] Figure 7 for Figure 2Enlarged structural diagram at A in the middle.

[0019] In the figure: 1. Fixed bottom template, 2. Transfer PCBA, 3. Deflection mechanism, 301. Fixed frame, 302. Flip board main plate, 303. Elastic clamp, 304. Spring, 305. Push rod, 4. Connecting mechanism, 401. Upper needle plate, 402. Limit block, 403. Double-ended needle, 5. Placement slot, 6. Connector, 7. Limit strip, 8. Floating needle plate, 9. Disassembly cover. DETAILED DESCRIPTION

[0020] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0021] See also Figure 1-7 The utility model provides a technical solution: a precision chip test needle module, including a fixed bottom template 1 and a transfer PCBA 2, the outer wall of the fixed bottom template 1 is provided with a deflection mechanism 3, after the elastic clamping plate 303 is deformed and separated from the fixed bottom template 1, the spring 304 assists the push rod 305 to squeeze, so that the fixed bottom template 1 and the flip plate main body plate 302 are flipped, the deflection mechanism 3 includes a fixed frame 301, an elastic clamping plate 303 and a push rod 305, the lower end of the fixed frame 301 is fixedly connected to the fixed bottom template 1, the outer wall of the elastic clamping plate 303 is tightly against the fixed bottom template 1, the end of the push rod 305 is tightly against the fixed bottom template 1, the inner wall of the fixed frame 301 is rotatably connected to the flip plate main body plate 302, the outer wall of the flip plate main body plate 302 is fixedly connected to the elastic clamping plate 303, the inner wall of the flip plate main body plate 302 is fixedly connected to the spring 304, and the outer wall of the spring 304 is fixedly connected to the push rod 305;

[0022] Manually detent the elastic clamp 303 to separate the elastic clamp 303 from the fixed bottom template 1, and the spring 304 squeezes the push rod 305, which applies reverse pressure to the flip plate body 302 to separate the flip plate body 302 from the fixed bottom template 1 in advance, exposing the surface of the fixed bottom template 1. At this time, the limit block on the upper needle plate 401 can be detent to expose the inside of the upper needle plate, and the double-ended needle 403 can be directly replaced, making the separation and disassembly process more convenient.

[0023] See also Figure 1 , Figure 2 and Figure 3A connecting mechanism 4 is provided at the lower end of the adapter PCBA2, which is separated by an upper limit block 402 on the upper needle plate 401. An installation port appears on the upper needle plate 401, so that the adapter PCBA2 and the double-ended needle 403 can be directly replaced and connected between the flip plate body 302. The connecting mechanism 4 includes an upper needle plate 401 and a double-ended needle 403. The lower end of the adapter PCBA2 is fixedly connected to the upper needle plate 401, and the upper end of the double-ended needle 403 is electrically connected to the adapter PCBA2. The inner wall of the upper needle plate 401 has a limit block 402, and the outer wall of the upper needle plate 401 is tightly pressed against the limit block 402. The inner wall of the upper needle plate 401 is movably connected to the double-ended needle 403.

[0024] See also Figure 1 and Figure 2 The inner wall of the fixed bottom template 1 is installed with a placement groove 5, the inner wall of the placement groove 5 is movably connected to the connector 6, the outer wall of the flip board main plate 302 is fixedly connected to the limit bar 7, and the outer wall of the limit bar 7 is tightly pressed against the transfer PCBA2.

[0025] See also Figure 1 and Figure 2 A floating needle plate 8 is installed at the lower end of the upper needle plate 401, and a disassembly cover 9 is installed on the inner wall of the fixed bottom template 1 for rotational connection.

[0026] Working principle:

[0027] Preparation

[0028] Manually depress the elastic clamp 303 to separate the elastic clamp 303 from the fixed bottom template 1, so that the flip plate body 302 is flipped on the fixing frame 301 on the fixed bottom template 1, and at the same time, the spring 304 squeezes the push rod 305, so that the push rod 305 applies reverse pressure to the flip plate body 302, so that the flip plate body 302 is separated from the fixed bottom template 1 in advance, so that it is more convenient to flip the flip plate body 302. Just put the connector 6 with the precision chip into the placement groove 5, and then perform the reverse operation to cover the upper end of the fixed bottom template 1.

[0029] Testing Phase

[0030] Insert the upper needle plate 401 on the transfer PCBA into the flip board body 302, and limit the positions of the transfer PCBA and the upper needle plate 401 through the limit strip 7 on the surface of the flip board body 302 to prevent the double needle head 403 at the lower end of the upper needle plate 401 from deviating and scratching the floating needle plate 8, thereby affecting the normal test between the double needle head 403 and the floating needle plate 8. The final test is achieved by the contact between the end of the double needle head 403 and the precision chip on the connector 6.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A precision chip test needle module, comprising a fixed bottom template (1) and a transfer PCBA (2), characterized in that: The outer wall of the fixed bottom template (1) is provided with a deflection mechanism (3), and the deflection mechanism (3) comprises a fixed frame (301), an elastic clamping plate (303) and a push rod (305); the lower end of the fixed frame (301) is fixedly connected to the fixed bottom template (1); the outer wall of the elastic clamping plate (303) is tightly abutted against the fixed bottom template (1); the end of the push rod (305) is tightly abutted against the fixed bottom template (1); the inner wall of the fixed frame (301) is rotatably connected to the flip plate main body plate (302); the outer wall of the flip plate main body plate (302) is fixedly connected to the elastic clamping plate (303); the inner wall of the flip plate main body plate (302) is fixedly connected to the spring (304); and the outer wall of the spring (304) is fixedly connected to the push rod (305).

2. A precision chip test needle module according to claim 1, characterized in that: The lower end of the adapter PCBA (2) is provided with a connecting mechanism (4), and the connecting mechanism (4) includes an upper needle plate (401) and a double-ended needle (403). The lower end of the adapter PCBA (2) is fixedly connected to the upper needle plate (401), and the upper end of the double-ended needle (403) is electrically connected to the adapter PCBA (2). The inner wall of the upper needle plate (401) is provided with a limiting block (402), and the outer wall of the upper needle plate (401) is tightly pressed against the limiting block (402), and the inner wall of the upper needle plate (401) is movably connected to the double-ended needle (403).

3. A precision chip test needle module according to claim 1, characterized in that: The inner wall of the fixed bottom template (1) is provided with a placement groove (5), and the inner wall of the placement groove (5) is movably connected to the connector (6).

4. The precision chip test needle module according to claim 1, characterized in that: The outer wall of the flip plate main body plate (302) is fixedly connected to the limit strip (7), and the outer wall of the limit strip (7) is tightly pressed against the transfer PCBA (2).

5. The precision chip test needle module according to claim 2, characterized in that: A floating needle plate (8) is installed at the lower end of the upper needle plate (401).

6. The precision chip test needle module according to claim 1, characterized in that: The inner wall of the fixed bottom template (1) is provided with a disassembly cover (9) which is rotatably connected.

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