Circuit board test tool adaptable to various sizes

Abstract

The utility model discloses a circuit board testing tool adaptable to various sizes, which comprises two sliding assemblies and a base, the sliding assemblies are installed on the base in a sliding mode, each sliding assembly comprises a cross beam, a plurality of first sliding blocks are installed in a groove in the top of the cross beam, brake knobs are installed on the first sliding blocks, and the brake knobs are installed on the second sliding blocks. The brake knob is installed on the first sliding block in a threaded mode, a to-be-tested circuit board is fixed to the first sliding block through a circuit board fixing bolt, the lower portions of the two ends of the cross beam are each provided with a second sliding block, and the second sliding blocks are perpendicular to the cross beam. According to the scheme of the utility model, the test tool capable of adapting to various circuit boards is adopted, so that the problem that the test tool cannot adapt to circuit boards of various sizes is solved, the test efficiency is improved, and the cost of test equipment is reduced; the scheme is simple, efficient, low in cost and capable of being widely popularized to other application fields.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board testing, in particular to a testing tool for circuit boards that can adapt to various sizes. Background Art

[0002] During testing or production of electronic devices, it's often necessary to individually power on and test the performance of circuit boards, thus creating a need for circuit board test fixtures. Conventional circuit board test fixtures can only handle testing of one size of board, so multiple test fixtures are needed to accommodate different sizes. Due to the diverse product requirements, circuit boards often come in a variety of sizes. Existing circuit board test fixtures can't handle this wide range of sizes, reducing test efficiency and significantly increasing test fixture costs. Utility Model Content

[0003] The purpose of the present invention is to provide a circuit board testing tool that can adapt to various sizes, so as to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a circuit board testing tool that can adapt to various sizes, including two sliding components and a base, the sliding components are slidably installed on the base, the sliding component includes a crossbeam, a plurality of sliders 1 are installed in the groove on the top of the crossbeam, a brake knob is installed on the slider 1, and the brake knob is threadedly installed on the slider 1, the circuit board to be tested is fixed to the slider 1 by the circuit board fixing bolt, and a slider 2 is installed below each end of the crossbeam, and the slider 2 is perpendicular to the crossbeam.

[0005] Preferably, a screw fixing hole is provided on the circuit board to be tested, and the screw fixing hole is adapted to the circuit board fixing bolt.

[0006] Preferably, the crossbeam is made of square tube aluminum alloy profile, a trapezoidal guide groove is provided on the cross section of the crossbeam, a hook is provided under the slider, and the shape of the hook is trapezoidal, and the hook is slidably installed in the guide groove.

[0007] Preferably, circular holes are provided at both ends of the crossbeam, and fixing screws are provided in the circular holes, and the fixing screws are fixed on the slider 1.

[0008] Preferably, the slider is provided with screw hole one, screw hole two, screw hole three and screw hole four, and screw hole one is adapted to the brake knob, screw hole two and screw hole three are adapted to the circuit board fixing bolt, and screw hole four is arranged corresponding to the round hole and is adapted to the fixing screw.

[0009] Preferably, a disc knob is provided above the brake knob, and a round rod with threads is provided below the brake knob, and the round rod is threadedly connected to the screw hole.

[0010] Preferably, the circuit board fixing bolt is a parent-child stud, and the bottom of the circuit board fixing bolt is provided with an external thread, and the top is provided with an internal thread, and the bottom external thread of the circuit board fixing bolt is adapted to screw hole two and screw hole three.

[0011] Preferably, the base is formed by overlapping four base beams, two adjacent base beams are overlapped by wildebeests, and the slider 2 is assembled with the base beams through a guide groove; a vertical beam is provided at the connection between two adjacent base beams.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. The utility model adopts a test fixture that can adapt to a variety of circuit boards to solve the problem that the test fixture cannot adapt to circuit boards of various sizes, improves the test efficiency, and reduces the cost of test equipment.

[0014] 2. The solution of the utility model adopts commonly used materials on the market and solves the problem that the test tooling cannot adapt to circuit boards of various sizes at a lower cost, thereby improving the test efficiency and reducing the cost of the test equipment.

[0015] 3. The solution of this utility model is simple, efficient and low-cost, and can be widely promoted to other application fields. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the sliding assembly of the utility model;

[0017] Figure 2 This is a schematic diagram of the explosion structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the assembly structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the beam structure of the utility model;

[0020] Figure 5 This is a front view structural diagram of a slider of the utility model;

[0021] Figure 6 This is a schematic diagram of a three-dimensional structure of a slider of the utility model;

[0022] Figure 7 This is a schematic diagram of the brake knob structure of the utility model;

[0023] Figure 8 This is a schematic diagram of the circuit board fixing bolt structure of the utility model;

[0024] Figure 9 This is a schematic diagram of the base structure of the utility model;

[0025] Figure 10 This is a schematic diagram of the structure of the circuit board to be tested in this utility model.

[0026] In the figure: 1. Sliding assembly; 2. Base; 3. Circuit board to be tested; 11. Crossbeam; 12. Slider 1; 13. Brake knob; 14. Circuit board fixing bolt; 15. Slider 2; 21. Base crossbeam; 22. Vertical beam; 23. Wildebeest; 31. Screw fixing hole; 111. Guide groove; 112. Round hole; 121. Hook; 122. Screw hole 1; 123. Screw hole 4; 124. Screw hole 2; 125. Screw hole 3; 131. Disc knob; 132. Round rod; 141. External thread; 142. Internal thread. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] See also Figure 1-10 The utility model provides a technical solution: a circuit board test fixture that can adapt to various sizes, including two sliding components 1 and a base 2, the sliding component 1 is slidably installed on the base 2, the sliding component 1 includes a beam 11, and a plurality of sliders 12 are installed in the groove on the top of the beam 11, and a brake knob 13 is installed on the slider 12, and the brake knob 13 is threadedly installed on the slider 12, and a circuit board 3 to be tested is fixed to the slider 12 by a circuit board fixing bolt 14, and a slider 2 15 is installed below each end of the beam 11, and the slider 2 15 is perpendicular to the beam 11.

[0029] In the present invention, a screw fixing hole 31 is provided on the circuit board 3 to be tested, and the screw fixing hole 31 is matched with the circuit board fixing bolt 14 , thereby achieving the adaptation to the size of the circuit boards to be tested of various sizes.

[0030] In the present invention, the crossbeam 11 is made of square tube aluminum alloy profile, and a trapezoidal guide groove 111 is provided on the cross section of the crossbeam 11. A hook 121 is provided under the slider 12, and the shape of the hook 121 is trapezoidal, and the hook 121 is slidably installed in the guide groove 111.

[0031] In the present invention, circular holes 112 are provided at both ends of the crossbeam 11 , and fixing screws are provided in the circular holes 112 , which are fixed on the slider 12 , and the distance between the two circular holes 112 is the maximum travel range of the slider 12 .

[0032] In the utility model, a screw hole 122, a screw hole 2 124, a screw hole 3 125 and a screw hole 4 123 are provided on the slider 12, and the screw hole 122 is adapted to the brake knob 13, the screw hole 2 124 and the screw hole 3 125 are adapted to the circuit board fixing bolt 14, and the screw hole 4 123 is arranged corresponding to the round hole 112 and is adapted to the fixing screw.

[0033] In the utility model, a disc knob 131 is provided above the brake knob 13, and a threaded round rod 132 is provided below the brake knob 13, and the round rod 132 is threadedly connected to the screw hole 122. When braking is required, the brake knob 13 is rotated clockwise, and the round rod 132 contacts the guide groove 11 of the beam 11 downward, and then is stuck to form a brake.

[0034] In the present invention, the circuit board fixing bolt 14 is a parent-child stud, and the bottom of the circuit board fixing bolt 14 is provided with an external thread 141, and the top is provided with an internal thread 142. The bottom external thread 141 of the circuit board fixing bolt 14 is adapted to the second screw hole 124 and the third screw hole 125.

[0035] In the present invention, the base 2 is formed by overlapping four base beams 21, two adjacent base beams 21 are overlapped by wildebeests 23, and the slider 2 15 is assembled with the base beam 21 through a guide groove; a vertical beam 22 is provided at the connection between two adjacent base beams 21.

[0036] The utility model adopts a test tool that can adapt to a variety of circuit boards to solve the problem that the test tool cannot adapt to circuit boards of various sizes, thereby improving the test efficiency and reducing the cost of test equipment; it adopts commonly used materials on the market to solve the problem that the test tool cannot adapt to circuit boards of various sizes at a relatively low cost, thereby improving the test efficiency and reducing the cost of test equipment; the solution is simple, efficient and low-cost, and can be widely promoted to other application fields.

[0037] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field. Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A test fixture for circuit boards of various sizes, characterized by: The invention comprises two sliding assemblies (1) and a base (2), wherein the sliding assemblies (1) are slidably mounted on the base (2), the sliding assemblies (1) comprise a crossbeam (11), a plurality of sliders (12) are mounted in a groove on the top of the crossbeam (11), a brake knob (13) is mounted on the slider (12), and the brake knob (13) is threadedly mounted on the slider (12), a circuit board (3) to be tested is fixed to the slider (12) via a circuit board fixing bolt (14), a slider (15) is mounted below each end of the crossbeam (11), and the slider (15) and the crossbeam (11) are perpendicular to each other.

2. The circuit board testing tool adaptable to various sizes according to claim 1, characterized in that: The circuit board to be tested (3) is provided with a screw fixing hole (31), and the screw fixing hole (31) is adapted to the circuit board fixing bolt (14).

3. The circuit board testing tool adaptable to various sizes according to claim 1, characterized in that: The crossbeam (11) is made of a square tube aluminum alloy profile. A trapezoidal guide groove (111) is provided on the cross section of the crossbeam (11). A hook (121) is provided below the slider (12). The hook (121) is in a trapezoidal shape and is slidably installed in the guide groove (111).

4. The circuit board testing tool adaptable to various sizes according to claim 1, characterized in that: Circular holes (112) are provided at both ends of the crossbeam (11), and fixing screws are provided in the circular holes (112), and the fixing screws are fixed on the slider (12).

5. The circuit board testing tool adaptable to various sizes according to claim 4, characterized in that: The slider (12) is provided with a screw hole (122), a screw hole (124), a screw hole (125) and a screw hole (123), and the screw hole (122) is adapted to the brake knob (13), the screw hole (124) and the screw hole (125) are adapted to the circuit board fixing bolt (14), and the screw hole (123) is arranged corresponding to the round hole (112) and is adapted to the fixing screw.

6. The circuit board testing tool adaptable to various sizes according to claim 1, characterized in that: A disc knob (131) is provided above the brake knob (13), and a round rod (132) with threads is provided below the brake knob (13), and the round rod (132) is threadedly connected to the first screw hole (122).

7. The circuit board testing tool adaptable to various sizes according to claim 1, characterized in that: The circuit board fixing bolt (14) is a mother-and-child stud, and the bottom of the circuit board fixing bolt (14) is provided with an external thread (141), and the top is provided with an internal thread (142), and the bottom external thread (141) of the circuit board fixing bolt (14) is adapted to the second screw hole (124) and the third screw hole (125).

8. The circuit board testing tool adaptable to various sizes according to claim 1, characterized in that: The base (2) is formed by overlapping four base cross beams (21), two adjacent base cross beams (21) are overlapped by a wildebeest (23), and the slider 2 (15) and the base cross beam (21) are assembled together through a guide groove; a vertical beam (22) is provided at the connection between the two adjacent base cross beams (21).

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