Printed circuit board test tool

Abstract

The utility model relates to the field of circuit board testing, in particular to a printed circuit board testing tool, which is characterized in that the middle part of a testing tool base is provided with a through cavity, one end of the through cavity is fixedly provided with a fixed seat, the fixed seat is provided with a first clamping cavity, a movable seat is movably arranged in the through cavity, and the movable seat is provided with a second clamping cavity corresponding to the first clamping cavity in a matched manner; a lead screw pair is arranged on the side, away from the fixed seat, of the movable seat, a lead screw is rotationally arranged in the through cavity in a matched mode and corresponds to the lead screw pair, and one end of the lead screw extends out of the testing tool base and is fixedly provided with a rotary knob. According to the utility model, through the adaptive arrangement of the screw rod and the screw rod pair, the movable seat can be driven to move towards the fixed seat, and through the elastic thrust in the spring, the thrust to the movable seat can be further provided, so that the clamping of the printed circuit board can be realized through the first clamping cavity and the second clamping cavity; when the device is used for clamping the printed circuit board, only the knob needs to be rotated, the operation is convenient, and a user can use the device conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board test technical field especially relates to a printed circuit board test frock. BACKGROUND

[0002] Printed circuit board refers to the printed board that forms the interconnection of points and printed components on general base material, is the support body of electronic components, and is the carrier of electrical interconnection of electronic components.

[0003] In order to guarantee the quality of the produced circuit board, the detection of the circuit board is an important process. For small batch production of circuit board, manual detection is mostly used during detection, and the test probe of the multimeter is contacted with the test points of the circuit board one by one, and then the circuit board is tested to determine whether the circuit board is qualified.

[0004] In order to prevent the displacement or rotation of the printed circuit board during detection, it is necessary to use the test frock to position the printed circuit board to avoid the deviation of the detection point and the actual position. However, the operation steps of the traditional printed circuit board test frock on the market are often too cumbersome, which is not conducive to the operation of the user. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the shortcomings in the prior art and provides a printed circuit board test frock.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A printed circuit board test frock, including test frock base, the middle part of test frock base is provided with through cavity, one end of through cavity is fixedly provided with fixed seat, the first clamping cavity is opened in the fixed seat, the movable seat is movably arranged in the through cavity, and the second clamping cavity is opened in the movable seat corresponding to the first clamping cavity.

[0008] In addition, preferably, the movable seat is provided with a through hole corresponding to the screw rod, and the diameter of the through hole is greater than the diameter of the screw rod.

[0009] In addition, preferably, the movable seat is provided with a through hole corresponding to the screw rod, and the diameter of the through hole is greater than the diameter of the screw rod.

[0010] In addition, preferably, the two sides of the screw rod pair are vertically provided with springs, the other ends of the springs are connected with the movable seat, and the springs are located outside the second guide column.

[0011] In addition, preferably, the two sides of the screw rod pair are vertically provided with springs, the other ends of the springs are connected with the movable seat, and the springs are located outside the second guide column.

[0012] In addition, preferably, the upper portion of the test tool base is fixedly provided with two support plates, and the movable seat is provided with a support plate cavity corresponding to each support plate.

[0013] The beneficial effects of the present application are as follows: through the matched arrangement between the screw rod and the screw rod pair, the movable seat can be driven to move towards the fixed seat, and through the elastic pushing force of the spring, the pushing force on the movable seat can be further provided, so that the printed circuit board can be clamped through the first clamping cavity and the second clamping cavity, and the printed circuit board can be clamped by only rotating the knob, which is convenient and easy to use. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A structure diagram of the printed circuit board test tool is provided in the present application;

[0015] Figure 2 A structure diagram of the movable seat hidden in the present application is provided in the present application; Figure 1 A structure diagram of the movable seat hidden in the present application is provided in the present application;

[0016] Figure 3 A structure diagram of the movable seat of the printed circuit board test tool is provided in the present application;

[0017] Figure 4 A structure diagram of the movable seat of the printed circuit board test tool is provided in the present application; Figure 3 A structure diagram of the movable seat of the printed circuit board test tool is provided in the present application;

[0018] In the figure: 1 test tool base, 11 first guide column, 12 support plate, 2 fixed seat, 21 first clamping cavity, 3 movable seat, 31 second clamping cavity, 32 support plate cavity, 33 through hole, 34 second guide column, 341 anti-falling piece, 35 screw rod pair, 36 spring, 4 screw rod, 41 knob. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0020] Referring to Figures 1-4The utility model provides a printed circuit board test frock, including test frock base 1, the middle part of test frock base 1 is provided with through cavity, one end of through cavity is fixedly provided with fixed seat 2, and first clamping cavity 21 is seted up in fixed seat 2, and the movable seat 3 is movably arranged in the through cavity, and the second clamping cavity 31 is seted up on the movable seat 3 and corresponds the first clamping cavity 21. The side of movable seat 3 away from fixed seat 2 is provided with screw rod pair 35, and the screw rod 4 is rotatably arranged in the through cavity and corresponds the screw rod pair 35, and one end of screw rod 4 is fixedly provided with knob 41 and extends from test frock base 1.

[0021] Wherein, the through hole 33 is seted up on the movable seat 3 and corresponds the screw rod 4, and the diameter of through hole 33 is greater than the diameter of screw rod 4. In this way, the screw rod 4 can be driven when rotating, without affecting the movable seat 3.

[0022] Wherein, the second guide column 34 is fixedly and vertically arranged on both sides of the through hole 33 on the movable seat 3, the screw rod pair 35 moves through the second guide column 34, and the end of the second guide column 34 is fixedly provided with the anti-falling piece 341. Through the setting of the second guide column 34, the screw rod pair 35 can be guided. And through the setting of the anti-falling piece 341, the screw rod pair 35 can be prevented from falling off from the second guide column 34.

[0023] Wherein, the spring 36 is vertically installed on both sides of the screw rod pair 35, the other end of the spring 36 is connected with the movable seat 3, and the spring 36 is located outside the second guide column 34. Through the setting of the spring 36, the movable seat 3 can be pushed, so that the second clamping cavity 31 on the movable seat 3 can be clamped together with the first clamping cavity 21.

[0024] Wherein, the first guide column 11 is fixedly arranged in the through cavity of the test frock base 1 and located on both sides of the screw rod 4, and the movable seat 3 moves through the first guide column 11. Through the setting of the first guide column 11, the movable seat 3 can be guided.

[0025] Wherein, the support plate 12 is fixedly arranged above the test frock base 1, and the support plate cavity 32 is seted up on the movable seat 3 and corresponds the support plate 12. Through the setting of the support plate 12, the printed circuit board can be supported. And the top of the support plate 12 is flush with the first clamping cavity 21 and the second clamping cavity 31, which can ensure the stability of the first clamping cavity 21 and the second clamping cavity 31 when clamping the printed circuit board.

[0026] When the user needs to clamp and fix the printed circuit board, the user only needs to place the printed circuit board on the support plate 12 and make one end of the printed circuit board abut against the first clamping cavity 21 on the fixed seat 2.

[0027] Then the user only needs to continue to rotate the screw rod 4 so that the screw rod pair 35 continues to move towards the fixed seat 2, at this time, the screw rod pair 35 can compress the spring 36, so that the other end of the spring 36 provides an elastic pushing force to the movable seat 3, at this time, the two ends of the printed circuit board can be clamped by the first clamping cavity 21 and the second clamping cavity 31, so that the printed circuit board can be fixed and clamped.

[0028] After clamping is completed, the user can detect the printed circuit board, and it is worth noting that the specific detection method and detection steps of the circuit board are prior art, and thus no more description is made.

[0029] Further, the inner walls of the first clamping cavity 21 and the second clamping cavity 31 are fixedly provided with rubber pads, so that the friction between the first clamping cavity 21 and the second clamping cavity 31 and the printed circuit board can be increased to prevent the printed circuit board from sliding during clamping, and damage to the printed circuit board during clamping can be avoided.

[0030] In the utility model, through the adaptation between the screw rod 4 and the screw rod pair 35, the movable seat 3 can be driven to move towards the fixed seat 2, and through the elastic pushing force of the spring 36, a pushing force to the movable seat 3 can be further provided, so that the printed circuit board can be clamped by the first clamping cavity 21 and the second clamping cavity 31, and the device only needs to rotate the knob 41 when clamping the printed circuit board, so that the operation is convenient and the user's use is facilitated.

[0031] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A printed circuit board test fixture comprising a test fixture base (1), characterized in that, The middle part of the test tool base (1) is provided with a through cavity, one end of the through cavity is fixedly provided with a fixed seat (2), the fixed seat (2) is provided with a first clamping cavity (21), the through cavity is movably provided with a movable seat (3), and the movable seat (3) is provided with a second clamping cavity (31) corresponding to the first clamping cavity (21). The movable seat (3) is provided with a screw rod pair (35) on the side away from the fixed seat (2), and the through cavity is provided with a screw rod (4) corresponding to the screw rod pair (35), one end of the screw rod (4) extends out of the test tool base (1) and is fixedly provided with a knob (41).

2. The printed circuit board testing tool of claim 1, wherein, The movable seat (3) is provided with a through hole (33) corresponding to the screw rod (4), and the diameter of the through hole (33) is greater than the diameter of the screw rod (4).

3. A printed circuit board test fixture according to claim 2, wherein, The movable seat (3) is provided with a second guide column (34) fixedly and vertically arranged on both sides of the through hole (33), the screw rod pair (35) moves through the second guide column (34), and the end of the second guide column (34) is fixedly provided with an anti-falling piece (341).

4. The printed circuit board testing tool of claim 3, wherein, The screw rod pair (35) is provided with a spring (36) vertically installed on both sides, the other end of the spring (36) is connected with the movable seat (3), and the spring (36) is located outside the second guide column (34).

5. The printed circuit board testing tool of claim 1, wherein, The through cavity of the test tool base (1) is provided with a first guide column (11) fixedly arranged on both sides of the screw rod (4), and the movable seat (3) moves through the first guide column (11).

6. The printed circuit board testing tool of claim 1, wherein, The test tool base (1) is provided with two support plates (12) fixedly arranged above, and the movable seat (3) is provided with a support plate cavity (32) corresponding to the support plate (12).

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