Opening and closing mechanism of detection jig

Through the design of a convenient opening and closing mechanism, the problem of temperature increase and inconvenient maintenance of the probe module is solved, and the safety and service life of the PCB circuit board detection fixture is improved.

CN223180251UActive Publication Date: 2025-08-01SUZHOU TESIJIE ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202421829082.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-31
Publication Date
2025-08-01
Estimated Expiration
2034-07-31

AI Technical Summary

Technical Problem

The probe module of the existing PCB circuit board detection fixture has a temperature rise after long operation, which is prone to damage, and lacks a convenient maintenance mechanism, making it inconvenient to operate.

Method used

A testing fixture including a base, bottom plate, mounting frame, test fixture, downward mechanism and opening and closing mechanism is designed. The base plate is opened and closed easily through the air-supported hydraulic rod and anti-clip hand parts, making it easy to observe and inspect.

Benefits of technology

It improves the service life of the equipment, eliminates safety hazards, and enhances the convenience and safety of operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an opening and closing mechanism of a detection jig, which comprises a base, a bottom plate is arranged on the base, the base is hinged with the bottom plate, a mounting frame is arranged on one side of the upper end of the bottom plate, a test fixture is arranged at the lower end of the front of the mounting frame and connected with the bottom plate, and a pressing mechanism is arranged above the position corresponding to the test fixture. The pressing mechanism is connected with the mounting frame, an opening and closing mechanism is arranged on the base and comprises a handle and an air support hydraulic rod, the handle is arranged on one side of the upper end of the bottom plate, the air support hydraulic rod is arranged in the base, one end of the air support hydraulic rod is connected with the bottom plate, and the other end of the air support hydraulic rod is connected with the bottom of the base. Due to the fact that the opening and closing mechanism is arranged, workers can conveniently observe and overhaul the equipment at any time, potential safety hazards are eliminated, and meanwhile the service life of the equipment can be prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of test fixtures, in particular to an opening and closing mechanism of a detection fixture. Background Art

[0002] The PCB circuit board is a provider of electrical connections for electronic components. The main advantages of using a circuit board are to greatly reduce wiring and assembly errors, improve the automation level and production efficiency. After the PCB circuit board is manufactured, in order to ensure its processing quality, some tests are usually required to check the connection and power-on of each electrical circuit to ensure the production quality of the PCB circuit board.

[0003] The existing patent publication number: CN 210037874 U discloses a PCB board test fixture, which includes a base. A floating positioning carrier plate for placing the PCB and a displacement driving mechanism for driving the floating positioning carrier plate to move up and down are floatingly connected on the base. A probe module for contacting and conducting the PCB is fixedly connected to the base. The movable end of the displacement driving mechanism is connected with a top column for contacting and pressing down the PCB. The probe module is located below the floating positioning carrier plate, and the top column is located above the floating positioning carrier plate. The utility model not only has a simple structure and is easy to use, but also can effectively ensure the accurate alignment and pressing of the PCB board and the probe, and can avoid damage to the PCB board or the probe caused by pressure overload during the pressing and conduction process.

[0004] However, in the prior art, since the probe module is arranged on the mounting plate of the base and keeps running for a long time under the energized condition, the temperature of the probe module will increase and it is easy to be damaged. At the same time, when the probe module fails or needs to be replaced, it is necessary to open the mounting plate to observe or repair. However, no mechanism convenient for the staff to open is provided in the prior art, and the operation is not very convenient. Summary of the Utility Model

[0005] Therefore, to solve the above problems, the present utility model proposes an opening and closing mechanism for a detection fixture, which includes a base 10, a bottom plate 20 is provided on the base 10, the base 10 is hinged to the bottom plate 20, an installation frame 30 is provided on one side of the upper end of the bottom plate 20, a test fixture 40 is provided at the lower front of the installation frame 30, the test fixture 40 is connected to the bottom plate 20, and a pressing mechanism 50 is provided above the position corresponding to the test fixture 40, the pressing mechanism 50 is connected to the installation frame 30, an opening and closing mechanism 60 is provided on the base 10, the opening and closing mechanism 60 includes a handle 601 and a gas strut hydraulic rod 602, the handle 601 is provided on one side of the upper end of the bottom plate 20, the gas strut hydraulic rod 602 is provided in the base 10, one end of the gas strut hydraulic rod 602 is connected to the bottom plate 20, and the other end is connected to the bottom of the base 10. When the handle 601 is pulled, the gas strut hydraulic rod 602 jacks up the bottom plate 20, which is convenient for later observation and maintenance. Since the opening and closing mechanism is provided, it is convenient for the staff to observe and maintain the equipment at any time, eliminating potential safety hazards and improving the service life of the equipment at the same time.

[0006] An opening and closing mechanism for a detection fixture includes a base 10, a bottom plate 20 is provided on the base 10, the base 10 is hinged to the bottom plate 20, an installation frame 30 is provided on one side of the upper end of the bottom plate 20, a test fixture 40 is provided at the lower front of the installation frame 30, the test fixture 40 is connected to the bottom plate 20, and a pressing mechanism 50 is provided above the position corresponding to the test fixture 40, the pressing mechanism 50 is connected to the installation frame 30, an opening and closing mechanism 60 is provided on the base 10, the opening and closing mechanism 60 includes a handle 601 and a gas strut hydraulic rod 602, the handle 601 is provided on one side of the upper end of the bottom plate 20, the gas strut hydraulic rod 602 is provided in the base 10, one end of the gas strut hydraulic rod 602 is connected to the bottom plate 20, and the other end is connected to the bottom of the base 10. When the handle 601 is pulled, the gas strut hydraulic rod 602 jacks up the bottom plate 20, which is convenient for later observation and maintenance.

[0007] Further, the opening and closing mechanism 60 further includes a pinch prevention component 603, the pinch prevention component 603 is connected to the base 10, the pinch prevention component 603 includes a pinch prevention component body 6031 and a convex block 6032, the pinch prevention component body 6031 passes through the base 10 and is connected to the convex block 6032. When the gas strut hydraulic rod 602 jacks up the bottom plate 20, the pinch prevention component body 6031 rotates to drive the convex block 6032 to rotate 90°, so that one side end of the convex block 6032 contacts the bottom of the bottom plate 20 and jacks up the bottom plate 20 to prevent the bottom plate 20 from suddenly falling and causing an accident.

[0008] Further, the distance from the center point of the anti-pinch component body 6031 to one side end of the bump 6032 is greater than the distance from the center point of the anti-pinch component body 6031 to the bottom of the bottom plate 20.

[0009] Further, a probe board 70 is provided on the bottom plate 20 and corresponds to the position of the test fixture 40. The test fixture 40 is provided with holes matching the probes 701 on the probe board 70. When the pressing mechanism 50 presses down, the pressing mechanism 50 abuts against the outer edge of the chip under test. Under the action of the downward pressure, the test fixture 40 is connected to the probes 701 on the probe board 70, and the probes 701 are in contact with the product to be detected to detect whether the electrical signal of the product is qualified.

[0010] Further, ventilation holes 80 are provided on both sides of the base 10 to prevent accidents caused by excessive temperature.

[0011] Further, a power supply and electrical signal interface are provided on the rear plate of the base 10 for connecting to the probe board 70 to receive signals.

[0012] Further, a control panel 90 is provided on the front plate of the base 10. The control panel 90 is provided with a start switch 100 for controlling the power on or off of the probe board 70.

[0013] Further, the pressing mechanism 50 includes a connecting seat 501. The connecting seat 501 is connected to the mounting frame 30, and a pressing handle 502 rotatably mounted on the connecting seat 501, and a push rod 503 vertically mounted on the connecting seat 501. The pressing handle 502 is connected to the push rod 503 through a connecting member 504. One end of the connecting member 504 is connected to the rotation point of the pressing handle 502, and the other end of the connecting member 504 is connected to the top end of the push rod 503. When the pressing handle 502 rotates and presses down, the connecting member 504 drives the push rod 503 to press downwards.

[0014] Further, the pressing mechanism 50 further includes a lower pressing plate 505. The lower pressing plate 505 is fixedly connected to the bottom end of the push rod 503. A plurality of pressing rods 110 are connected to the lower surface of the lower pressing plate 505. When the pressing handle 502 presses down, it drives the lower pressing plate 505 to press down. The pressing rods 110 abut against the product to be detected and move downward, and the probes 701 pass through the test fixture 40 and are in contact with the product to be detected, thereby performing detection.

[0015] Further, a micro switch 120 is provided inside the mounting bracket 30 for detecting whether the lower pressing plate 505 is pressed down to a set position. A connecting block 130 is provided on one side of the lower pressing plate 505 close to the micro switch 120. When the lower pressing plate 505 is pressed down and the connecting block 130 contacts the micro switch 120, the pressing down of the lower pressing plate 505 is stopped.

[0016] Advantages of the present utility model: The present utility model provides an opening and closing mechanism for a detection fixture, including a base 10, a bottom plate 20 is provided on the base 10, the base 10 is hinged to the bottom plate 20, a mounting bracket 30 is provided on one side of the upper end of the bottom plate 20, a test fixture 40 is provided at the lower front of the mounting bracket 30, the test fixture 40 is connected to the bottom plate 20, a pressing mechanism 50 is provided above the position corresponding to the test fixture 40, the pressing mechanism 50 is connected to the mounting bracket 30, an opening and closing mechanism 60 is provided on the base 10, the opening and closing mechanism 60 includes a handle 601 and a gas strut hydraulic rod 602, the handle 601 is provided on one side of the upper end of the bottom plate 20, the gas strut hydraulic rod 602 is provided inside the base 10, one end of the gas strut hydraulic rod 602 is connected to the bottom plate 20, and the other end is connected to the bottom of the base 10. When the handle 601 is pulled, the gas strut hydraulic rod 602 jacks up the bottom plate 20, which is convenient for later observation and maintenance. Due to the setting of the opening and closing mechanism, it is convenient for the staff to observe and maintain the equipment at any time, eliminating potential safety hazards and improving the service life of the equipment at the same time. Description of the Drawings

[0017] Figure 1 It is the front view of the overall structure diagram of an opening and closing mechanism for a detection fixture of the present utility model.

[0018] Figure 2 It is the rear view of the overall structure diagram of an opening and closing mechanism for a detection fixture of the present utility model.

[0019] Figure 3 It is the partial structure diagram of an opening and closing mechanism for a detection fixture of the present utility model.

[0020] Figure 4 It is the partial structure diagram of an opening and closing mechanism for a detection fixture of the present utility model.

[0021] Figure 5 It is the partial enlarged view of the partial structure diagram of an opening and closing mechanism for a detection fixture of the present utility model.

[0022] Main Component Symbol Description:

[0023] Base 10, bottom plate 20, mounting bracket 30, test fixture 40, downward pressing mechanism 50, opening and closing mechanism 60, handle 601, gas strut hydraulic rod 602, anti-pinch hand component 603, anti-pinch hand component body 6031, convex block 6032, probe board 70, probe 701, ventilation hole 80, control panel 90, start switch 100, connection seat 501, downward pressing handle 502, push rod 503, connecting piece 504, downward pressing plate 505, pressing rod 110, microswitch 120, connecting block 130.

[0024] The following specific embodiments will further illustrate the present invention in conjunction with the above-mentioned drawings. Specific Embodiments

[0025] The following embodiments are described to assist in the understanding of the present application, and the embodiments are not and should not be construed in any way as limiting the protection scope of the present application.

[0026] In the following description, those skilled in the art will recognize that throughout this discussion, components may be described as separate functional units (which may include sub-units), but those skilled in the art will recognize that various components or portions thereof may be divided into separate components or integrated together (including being integrated within a single system or component).

[0027] At the same time, the connections between components or systems are not intended to be limited to direct connections. Instead, the data between these components may be modified, reformatted, or otherwise changed by intermediate components. Additionally, additional or fewer connections may be used. It should also be noted that the terms "coupled", "connected", or "input" should be understood to include direct connections, indirect connections through one or more intermediate devices, and wireless connections. Embodiment 1:

[0028] As Figure 1 shown, it is a front view of the overall structure diagram of the opening and closing mechanism of a detection fixture of the present invention; as Figure 2 shown, it is a rear view of the overall structure diagram of the opening and closing mechanism of a detection fixture of the present invention; as Figure 3 shown, it is a partial structure diagram of the opening and closing mechanism of a detection fixture of the present invention; as Figure 4 shown, it is a partial structure diagram of the opening and closing mechanism of a detection fixture of the present invention; as Figure 5 shown, it is a partial enlarged view of the partial structure diagram of the opening and closing mechanism of a detection fixture of the present invention.

[0029] An opening and closing mechanism of a detection fixture, including a base 10, a bottom plate 20 is provided on the base 10, the base 10 is hinged to the bottom plate 20, an installation frame 30 is provided on one side of the upper end of the bottom plate 20, a test fixture 40 is provided at the lower front of the installation frame 30, the test fixture 40 is connected to the bottom plate 20, and a pressing mechanism 50 is provided above the position corresponding to the test fixture 40, the pressing mechanism 50 is connected to the installation frame 30, an opening and closing mechanism 60 is provided on the base 10, the opening and closing mechanism 60 includes a handle 601 and a gas strut hydraulic rod 602, the handle 601 is provided on one side of the upper end of the bottom plate 20, the gas strut hydraulic rod 602 is provided in the base 10, one end of the gas strut hydraulic rod 602 is connected to the bottom plate 20, and the other end is connected to the bottom of the base 10. When the handle 601 is pulled, the gas strut hydraulic rod 602 jacks up the bottom plate 20 upward, facilitating later observation and maintenance.

[0030] The opening and closing mechanism 60 further includes a pinch prevention component 603, the pinch prevention component 603 is connected to the base 10, the pinch prevention component 603 includes a pinch prevention component body 6031 and a convex block 6032, the pinch prevention component body 6031 passes through the base 10 and is connected to the convex block 6032. When the gas strut hydraulic rod 602 jacks up the bottom plate 20 upward, the pinch prevention component body 6031 rotates to drive the convex block 6032 to rotate 90°, so that one side end of the convex block 6032 contacts the bottom of the bottom plate 20 and jacks up the bottom plate 20 upward, for preventing the bottom plate 20 from suddenly falling and causing an accident.

[0031] The distance from the center point of the pinch prevention component body 6031 to one side end of the convex block 6032 is greater than the distance from the center point of the pinch prevention component body 6031 to the bottom of the bottom plate 20.

[0032] A probe board 70 is provided on the bottom plate 20 and corresponds to the position of the test fixture 40. The test fixture 40 is provided with holes matching the probes 701 on the probe board 70. When the pressing mechanism 50 presses down, the pressing mechanism 50 abuts against the outer edge of the chip to be tested. Under the action of the downward pressure, the test fixture 40 is connected to the probes 701 on the probe board 70, and the probes 701 contact the product to be detected to detect whether the electrical signal of the product is qualified.

[0033] Ventilation holes 80 are provided on both sides of the base 10 to avoid accidents caused by overheating.

[0034] A power supply and an electrical signal interface are provided on the rear plate of the base 10 for connecting to the probe board 70 to receive signals.

[0035] A control panel 90 is provided on the front plate of the base 10. A start switch 100 is provided on the control panel 90 for controlling the power supply on or off of the probe board 70.

[0036] The pressing mechanism 50 includes a connecting seat 501. The connecting seat 501 is connected to the mounting bracket 30. A pressing handle 502 is rotatably mounted on the connecting seat 501, and a push rod 503 is vertically mounted on the connecting seat 501. The pressing handle 502 is connected to the push rod 503 through a connecting member 504. One end of the connecting member 504 is connected to the rotating part of the pressing handle 502, and the other end of the connecting member 504 is connected to the top end of the push rod 503. When the pressing handle 502 rotates and presses down, the connecting member 504 drives the push rod 503 to press downwards.

[0037] The pressing mechanism 50 further includes a lower pressing plate 505. The lower pressing plate 505 is fixedly connected to the bottom end of the push rod 503. A plurality of pressing rods 110 are connected to the lower surface of the lower pressing plate 505. When the pressing handle 502 presses down, it drives the lower pressing plate 505 to press down. The pressing rods 110 are in contact with the product to be detected and move downwards. The probe 701 passes through the test fixture 40 and contacts the product to be detected for detection.

[0038] A micro switch 120 is provided inside the mounting bracket 30 for detecting whether the lower pressing plate 505 is pressed down to a set position. A connecting block 130 is provided on one side of the lower pressing plate 505 close to the micro switch 120. When the lower pressing plate 505 presses down and the connecting block 130 contacts the micro switch 120, the lower pressing plate 505 stops pressing down.

[0039] Advantages of the present utility model: The present utility model provides an opening and closing mechanism for a detection jig, which includes a base 10, a bottom plate 20 is provided on the base 10, the base 10 is hinged to the bottom plate 20, an installation frame 30 is provided on one side of the upper end of the bottom plate 20, a test fixture 40 is provided at the lower front end of the installation frame 30, the test fixture 40 is connected to the bottom plate 20, and a pressing mechanism 50 is provided above the position corresponding to the test fixture 40, the pressing mechanism 50 is connected to the installation frame 30, an opening and closing mechanism 60 is provided on the base 10, the opening and closing mechanism 60 includes a handle 601 and a gas strut hydraulic rod 602, the handle 601 is provided on one side of the upper end of the bottom plate 20, the gas strut hydraulic rod 602 is provided in the base 10, one end of the gas strut hydraulic rod 602 is connected to the bottom plate 20, and the other end is connected to the bottom of the base 10. When the handle 601 is pulled, the gas strut hydraulic rod 602 jacks up the bottom plate 20, which is convenient for later observation and maintenance. Due to the setting of the opening and closing mechanism, it is convenient for the staff to observe and maintain the equipment at any time, eliminating potential safety hazards and improving the service life of the equipment at the same time.

[0040] The above embodiments only represent several implementation manners of the present utility model, and the description thereof is relatively specific and detailed, but it should not be construed as a limitation on the scope of the patent of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several modifications and improvements can still be made, and these all belong to the protection scope of the present utility model. Therefore, the protection scope of the patent of the present utility model shall be subject to the appended claims.

Claims

1. An opening and closing mechanism of a detection fixture, comprising a base (10), a bottom plate (20) is provided on the base (10), the base (10) is hinged to the bottom plate (20), a mounting bracket (30) is provided on one side of the upper end of the bottom plate (20), a test fixture (40) is provided at the lower front of the mounting bracket (30), the test fixture (40) is connected to the bottom plate (20), and a downward pressing mechanism (50) is provided above the position corresponding to the test fixture (40), the downward pressing mechanism (50) is connected to the mounting bracket (30), and it is characterized in that: An opening and closing mechanism (60) is provided on the base (10). The opening and closing mechanism (60) includes a handle (601) and a gas strut hydraulic rod (602). The handle (601) is arranged on one side of the upper end of the base plate (20), and the gas strut hydraulic rod (602) is arranged inside the base (10). One end of the gas strut hydraulic rod (602) is connected to the base plate (20), and the other end is connected to the bottom of the base (10). When the handle (601) is pulled, the gas strut hydraulic rod (602) jacks up the base plate (20) upward, facilitating later observation and maintenance.

2. The opening and closing mechanism of the detection fixture according to claim 1, characterized in that: The opening and closing mechanism (60) further includes a pinch prevention component (603). The pinch prevention component (603) is connected to the base (10). The pinch prevention component (603) includes a pinch prevention component body (6031) and a convex block (6032). The pinch prevention component body (6031) passes through the base (10) and is connected to the convex block (6032). When the gas strut hydraulic rod (602) jacks up the base plate (20) upward, the pinch prevention component body (6031) rotates to drive the convex block (6032) to rotate 90°, so that one side end of the convex block (6032) contacts the bottom of the base plate (20) and jacks up the base plate (20) upward, preventing the base plate (20) from suddenly falling and causing an accident.

3. The opening and closing mechanism of the detection jig according to claim 2, characterized in that: The distance from the center point of the pinch prevention component body (6031) to one side end of the convex block (6032) is greater than the distance from the center point of the pinch prevention component body (6031) to the bottom of the base plate (20).

4. The opening and closing mechanism of the detection fixture according to claim 1, wherein: A probe board (70) is provided on the base plate (20) and corresponds to the position of the test fixture (40). The test fixture (40) is provided with holes matching the probes (701) on the probe board (70). When the pressing mechanism (50) presses down, the pressing mechanism (50) abuts against the outer edge of the chip under test. Under the action of the downward pressure, the test fixture (40) is connected to the probes (701) on the probe board (70), and the probes (701) contact the product to be detected to detect whether the electrical signals of the product are qualified.

5. The opening and closing mechanism of the detection jig according to claim 1, characterized in that: Ventilation holes (80) are provided on both sides of the base (10) to prevent accidents caused by excessive temperature.

6. The opening and closing mechanism of the detection fixture according to claim 4, characterized in that: Power and electrical signal interfaces are provided on the rear plate of the base (10) for connecting to the probe board (70) and receiving signals.

7. The opening and closing mechanism of the detection fixture according to claim 6, characterized in that: A control panel (90) is provided on the front plate of the base (10). A start switch (100) is provided on the control panel (90) for controlling the power on or off of the probe board (70).

8. The opening and closing mechanism of the detection jig according to claim 4, characterized in that: The pressing mechanism (50) includes a connecting seat (501), the connecting seat (501) is connected to the mounting frame (30), a pressing handle (502) rotatably mounted on the connecting seat (501), and a push rod (503) vertically mounted on the connecting seat (501). The pressing handle (502) is connected to the push rod (503) through a connecting member (504). One end of the connecting member (504) is connected to the rotating part of the pressing handle (502), and the other end of the connecting member (504) is connected to the top end of the push rod (503). When the pressing handle (502) rotates and presses down, the connecting member (504) drives the push rod (503) to press downwards.

9. The opening and closing mechanism of the detection jig according to claim 8, characterized in that: The pressing mechanism (50) further includes a lower pressing plate (505). The lower pressing plate (505) is fixedly connected to the bottom end of the push rod (503). A plurality of pressing rods (110) are connected to the lower surface of the lower pressing plate (505). When the pressing handle (502) presses down, it drives the lower pressing plate (505) to press down. The pressing rods (110) abut against the product to be detected and move downwards. The probe (701) passes through the test fixture (40) and contacts the product to be detected, thereby performing detection.

10. The opening and closing mechanism of the detection fixture according to claim 9, characterized in that: A micro switch (120) is provided inside the mounting frame (30) for detecting whether the lower pressing plate (505) is pressed down to a set position. A connecting block (130) is provided on one side of the lower pressing plate (505) close to the micro switch (120). When the lower pressing plate (505) presses down and the connecting block (130) contacts the micro switch (120), the pressing down of the lower pressing plate (505) is stopped.

Citation Information

Patent Citations

  • PCB test fixture

    CN210037874U