Printed circuit board test fixture adapter

Abstract

The utility model provides a printed circuit board test fixture adapter, which comprises an adapter body, the adapter body comprises a box body, the bottom of the box body is provided with a cavity, the inner wall of the cavity is provided with a fixing groove, the fixing groove is internally and movably provided with supporting rods, a test device is fixedly arranged between the supporting rods, and the adapter body is provided with a plurality of through holes. An opening is formed in the top of the box body, a sealing plate is movably installed in the opening, a fixing pipe and a pushing mechanism are fixedly installed on the sealing plate, a connecting plate is welded to the sealing plate, and a lifting mechanism is fixed to the connecting plate. According to the printed circuit board test fixture adapter, the test equipment slides in the fixing groove through the supporting rod, the exposure distance of one end of the test equipment is adjusted in a sliding mode, data on the equipment can be observed conveniently after the test equipment is exposed, and the test equipment is retracted into the cavity when not in use; and damage to the test equipment caused by collision of external collision force is avoided.

Description

Technical Field

[0001] The utility model relates to the field of adapter equipment, in particular to a printed circuit board test fixture adapter. Background Art

[0002] When testing printed circuit boards, a bullhorn adapter is required. The adapter is a type of test fixture that increases the number of test points on the test machine. If traditional manual test points are used, the test cannot be judged well, and the low efficiency can easily lead to misjudgment by the tester, thus affecting the accuracy of the test data. Therefore, an automated test device is needed, and the electrical connection with the test machine is achieved through the adapter, avoiding the clutter of wires for synchronous testing, and also facilitating the maintenance and repair of the test equipment.

[0003] According to a patent document with an existing publication number of CN208795769U, a printed circuit board test fixture adapter is disclosed, which includes a base, an upper end surface of the base is provided with a detection groove, support seats are fixedly provided on the upper end surfaces of the base on the left and right sides outside the detection groove, and a support plate is fixedly provided between the left and right support seats, a circuit board body is provided on the bottom end surface of the detection groove, a plurality of cable grooves are provided on the bottom end surface of the base, and a plurality of hole grooves connected to the cable grooves are provided on the bottom side wall of the detection groove. When this technical solution is in use, the electrical connection of the test is performed through the adapter plate, which avoids the clutter of the wires of the synchronous test and is also convenient for the maintenance and repair of the test equipment. With respect to the above technical solution, although this solution realizes electrical connection through the adapter plate, when the probe is damaged during use, the probe cannot be quickly replaced, which is inconvenient during use. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a printed circuit board test fixture adapter to solve the problems raised in the above-mentioned background technology. The utility model has a novel structure. When in use, the movable plate is slid horizontally. After sliding, the movable plate loses the limiting force on the fixed rod, and the fixed rod drives the electrode column to be taken out upward, and the damaged electrode column can be disassembled and replaced.

[0005] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical scheme: a printed circuit board test fixture adapter, including an adapter body, the adapter body including a box body, the bottom of the box body is provided with a cavity, the inner wall of the cavity is provided with a fixing groove, support rods are movably installed inside the fixing grooves, and test equipment is fixedly installed between the support rods, the top of the box body is provided with an opening, a sealing plate is movably installed inside the opening, a fixing tube and a pushing mechanism are respectively fixedly installed on the sealing plate, a connecting plate is welded on the sealing plate, a lifting mechanism is fixed on the connecting plate, and the lifting mechanism is fixedly installed on one side of the box body.

[0006] Furthermore, a base plate is fixed to the bottom of the box, a transfer plate is fixedly installed between the base plate and the test equipment, a heat sink is fixedly installed on the side of the box, a card bead is installed at one end of the support rod, a limiting hole is opened on the inner wall of the fixing groove, and the card bead cooperates with the limiting hole.

[0007] Furthermore, a limiting plate is movably mounted on the bottom of the sealing plate, a movable column is fixed on the limiting plate, and one end of the movable column is mounted on the pushing mechanism.

[0008] Furthermore, a support plate is movably mounted on the bottom of the limiting plate, a fixing column is fixed on the supporting plate, an opening is formed on the limiting plate, and the fixing column is movably mounted inside the opening.

[0009] Furthermore, a tension mechanism is fixedly installed on one end of the fixing column, one end of the tension mechanism is fixed inside the fixing tube, and the fixing column is movably installed inside the fixing tube.

[0010] Furthermore, a slide groove is formed on the support plate, a support mechanism is fixedly installed inside the slide groove, a slider is fixed at one end of the support mechanism, the slider is movably installed inside the slide groove, and a movable plate is fixed at one end of the top of the slider.

[0011] Furthermore, the support plate is provided with a groove, a fixing rod is movably installed inside the groove, an electrode column is fixedly installed on the fixing rod, and the fixing rod cooperates with the movable plate.

[0012] Furthermore, a wire row is installed between the adapter plate and the bottom plate, a circuit board is movably installed on the top of the bottom plate, through holes are opened on the circuit board and the bottom plate, and the electrode column is movably installed inside the through hole.

[0013] The beneficial effects of the utility model are as follows: the utility model is a printed circuit board test fixture adapter, comprising a box body; a cavity; a test device; a fixing slot; an adapter plate; a heat dissipation box; an opening; a sealing plate; a fixing tube; a pushing mechanism; a connecting plate; a lifting mechanism; a limiting plate; a supporting plate; an opening; a fixing column; a pulling mechanism; a movable column; a sliding slot; a supporting mechanism; a sliding block; a movable plate; a groove; a fixing rod; a limiting hole; a support rod; a card bead; a wire row; a bottom plate; a circuit board; and an electrode column.

[0014] 1. This printed circuit board test fixture adapter, when in use, slides the movable plate horizontally, the movable plate loses the limiting force on the fixed rod after sliding, the fixed rod drives the electrode column to be taken out upward, and the damaged electrode column is disassembled and replaced.

[0015] 2. A printed circuit board test fixture adapter, wherein the test equipment slides inside a fixed groove through a support rod, and the exposed distance of one end of the test equipment is adjusted by sliding. After the test equipment is exposed, it is convenient to observe the data on the equipment. When not in use, the test equipment is retracted into the inside of the cavity to avoid damage to the test equipment caused by external collision force. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural schematic diagram of a printed circuit board test fixture adapter of the utility model;

[0017] Figure 2 This is a structural schematic diagram of a limit plate and a support plate of a printed circuit board test fixture adapter of the utility model;

[0018] Figure 3 This is a structural schematic diagram of a fixing column of a printed circuit board test fixture adapter of the utility model;

[0019] Figure 4 This is a structural schematic diagram of a support plate of a printed circuit board test fixture adapter of the utility model;

[0020] Figure 5 This is a schematic diagram of the side structure of a box of a printed circuit board test fixture adapter of the utility model;

[0021] In the figure: 1. box body; 2. cavity; 3. test equipment; 4. fixing slot; 5. adapter plate; 6. heat sink; 7. opening; 8. sealing plate; 9. fixing tube; 10. pushing mechanism; 11. connecting plate; 12. lifting mechanism; 13. limiting plate; 14. supporting plate; 15. opening; 16. fixing column; 17. pulling mechanism; 18. movable column; 19. slide groove; 20. supporting mechanism; 21. slider; 22. movable plate; 23. groove; 24. fixing rod; 25. limiting hole; 26. supporting rod; 27. card bead; 28. wire row; 29. ​​bottom plate; 30. circuit board; 31. electrode column. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] See also Figures 1 to 5The utility model provides a technical solution: a printed circuit board test fixture adapter, including an adapter body, the adapter body including a box body 1, a cavity 2 is opened at the bottom of the box body 1, a fixing groove 4 is opened on the inner wall of the cavity 2, a support rod 26 is movably installed inside the fixing groove 4, a test device 3 is fixedly installed between the support rods 26, the test device 3 is a test machine, and the test machine displays the data after the circuit board 30 is tested, an opening 7 is opened at the top of the box body 1, a sealing plate 8 is movably installed inside the opening 7, a fixing tube 9 and a pushing mechanism 10 are fixedly installed on the sealing plate 8, a connecting plate 11 is welded on the sealing plate 8, a lifting mechanism 12 is fixed on the connecting plate 11, and the lifting mechanism 12 is fixed on the lifting mechanism 12. The structure 12 is fixedly installed on one side of the box body 1, the pushing mechanism 10 and the lifting mechanism 12 are both electric push rods, which provide the required power for the movement of the equipment. A base plate 29 is fixed at the bottom of the box body 1, and an adapter plate 5 is fixedly installed between the base plate 29 and the test equipment 3. A heat sink 6 is fixedly installed on the side of the box body 1. A card bead 27 is installed at one end of the support rod 26, and a limiting hole 25 is opened on the inner wall of the fixing groove 4. The card bead 27 cooperates with the limiting hole 25, and the card bead 27 on the support rod 26 cooperates with the limiting holes 25 at different positions. The card bead 27 is made of rubber, and the card bead 27 cooperates with the limiting hole 25. The limiting hole 25 provides a limiting force for the card bead 27, and the support rod 26 provides a limiting fixing force for the test equipment 3.

[0024] In this embodiment, a limiting plate 13 is movably installed at the bottom of the sealing plate 8, a movable column 18 is fixed on the limiting plate 13, one end of the movable column 18 is installed on the pushing mechanism 10, a supporting plate 14 is movably installed at the bottom of the limiting plate 13, a fixing column 16 is fixed on the supporting plate 14, an opening 15 is opened on the limiting plate 13, the fixing column 16 is movably installed inside the opening 15, a pulling mechanism 17 is fixedly installed at one end of the fixing column 16, one end of the pulling mechanism 17 is fixed inside the fixing tube 9, the fixing column 16 is movably installed inside the fixing tube 9, the pulling mechanism 17 is a pulling spring, the pulling spring pulls the fixing column 16 to move upward, so that the movable plate 22 on the support plate 14 is always in contact with one side of the limiting plate 13, the limiting plate 13 provides a limiting support force for the movable plate 22 to prevent the movable plate 22 from shaking easily.

[0025] In this embodiment, a slide groove 19 is provided on the support plate 14, and a support mechanism 20 is fixedly installed inside the slide groove 19. A slider 21 is fixed at one end of the support mechanism 20, and the slider 21 is movably installed inside the slide groove 19. A movable plate 22 is fixed at one end of the top of the slider 21. A groove 23 is provided on the support plate 14, and a fixing rod 24 is movably installed inside the groove 23. An electrode column 31 is fixedly installed on the fixing rod 24, and the fixing rod 24 cooperates with the movable plate 22. A wire row 28 is installed between the adapter plate 5 and the bottom plate 29. A circuit board 30 is movably installed on the top of the bottom plate 29. Through holes are provided on both the circuit board 30 and the bottom plate 29, and the electrode column 31 is movably installed inside the through hole. The support mechanism 20 is a support spring, which provides a supporting force for the slider 21. The slider 21 pushes the movable plate 22 to move to the top of the groove 23, and the movable plate 22 provides upper and lower limit forces for the fixing rod 24 to prevent the fixing rod 24 from shaking inside the groove 23.

[0026] The device provides the required electric energy for the internal electrical appliances of the device through an external power supply. When using the device, first start the lifting mechanism 12 to push the connecting plate 11 to move upward, and the connecting plate 11 drives the sealing plate 8 to rise, and the limiting plate 13 and the supporting plate 14 at the bottom of the sealing plate 8 are moved out from the inside of the opening 7. After moving out, the circuit board 30 is placed on the bottom plate 29, so that the through holes on the circuit board 30 and the bottom plate 29 are aligned and distributed. After the circuit board 30 is placed, the lifting mechanism 12 is started to shrink, and the connecting plate 11 pushes the sealing plate 8 to the bottom of the opening 7, and the supporting plate 14 enters the inside of the through hole through the electrode column 31 on the fixing rod 24. One end of the electrode column 31 is connected to the electrode sheet on the line plate 28 to complete the power-on. After the power-on, the adapter board 5 transmits the data to the test equipment 3 for testing. Later, when the electrode column 31 on the fixing rod 24 is damaged, the sealing plate 8 is lifted up and the supporting plate 14 is moved downward. The supporting plate 14 passes through the fixing column 16 and the pulling force The mechanism 17 moves downward in coordination, and the fixed column 16 provides the required space for the support plate 14 to descend. When the space at the top of the support plate 14 is opened, the movable plate 22 is moved horizontally inside the slide groove 19 through the slider 21, and the movable plate 22 is separated from the fixed rod 24. The fixed rod 24 is moved upward to drive the electrode column 31 to be disassembled. After disassembly, the damaged electrode column 31 is replaced. In addition, according to the position of the through hole on the circuit board 31, the electrode column 31 and the fixed rod 24 with different distances are replaced for use. When in use, the test equipment 3 slides inside the fixed groove 4 through the support rod 26. The card beads 27 on the support rod 26 cooperate with the limiting holes 25 at different positions. The card beads 27 are made of rubber. The card beads 27 cooperate with the limiting holes 25. The limiting holes 25 provide limiting force for the card beads 27, and the support rod 26 provides limiting fixing force for the test equipment 3. When not in use, the test equipment 3 is retracted inside the cavity 2 for shielding to avoid damage to the test equipment 3 caused by external collision force.

[0027] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is defined by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A printed circuit board test fixture adapter, comprising an adapter body, characterized in that: The adapter body comprises a box (1), a cavity (2) is formed at the bottom of the box (1), a fixing groove (4) is formed on the inner wall of the cavity (2), a support rod (26) is movably mounted inside the fixing groove (4), a test device (3) is fixedly mounted between the support rods (26), an opening (7) is formed at the top of the box (1), a sealing plate (8) is movably mounted inside the opening (7), a fixing tube (9) and a pushing mechanism (10) are respectively fixedly mounted on the sealing plate (8), a connecting plate (11) is welded to the sealing plate (8), a lifting mechanism (12) is fixedly mounted on the connecting plate (11), and the lifting mechanism (12) is fixedly mounted on one side of the box (1).

2. A printed circuit board test fixture adapter according to claim 1, characterized in that: A bottom plate (29) is fixed to the bottom of the box body (1), an adapter plate (5) is fixedly installed between the bottom plate (29) and the test device (3), a heat sink (6) is fixedly installed on the side of the box body (1), a clamping bead (27) is installed at one end of the support rod (26), a limiting hole (25) is opened on the inner wall of the fixing groove (4), and the clamping bead (27) cooperates with the limiting hole (25).

3. A printed circuit board test fixture adapter according to claim 2, characterized in that: A limit plate (13) is movably mounted on the bottom of the sealing plate (8), a movable column (18) is fixed on the limit plate (13), and one end of the movable column (18) is mounted on the pushing mechanism (10).

4. A printed circuit board test fixture adapter according to claim 3, characterized in that: A support plate (14) is movably mounted on the bottom of the limiting plate (13), a fixing column (16) is fixed on the supporting plate (14), an opening (15) is formed on the limiting plate (13), and the fixing column (16) is movably mounted inside the opening (15).

5. A printed circuit board test fixture adapter according to claim 4, characterized in that: A tension mechanism (17) is fixedly mounted on one end of the fixed column (16), one end of the tension mechanism (17) is fixed inside the fixed tube (9), and the fixed column (16) is movably mounted inside the fixed tube (9).

6. A printed circuit board test fixture adapter according to claim 4, characterized in that: The support plate (14) is provided with a slide groove (19), a support mechanism (20) is fixedly installed inside the slide groove (19), a slider (21) is fixed at one end of the support mechanism (20), the slider (21) is movably installed inside the slide groove (19), and a movable plate (22) is fixed at one end of the top of the slider (21).

7. A printed circuit board test fixture adapter according to claim 4, characterized in that: The support plate (14) is provided with a groove (23), a fixing rod (24) is movably mounted inside the groove (23), an electrode column (31) is fixedly mounted on the fixing rod (24), and the fixing rod (24) cooperates with the movable plate (22).

8. A printed circuit board test fixture adapter according to claim 7, characterized in that: A wire row (28) is installed between the adapter plate (5) and the bottom plate (29), a circuit board (30) is movably installed on the top of the bottom plate (29), through holes are provided on both the circuit board (30) and the bottom plate (29), and the electrode column (31) is movably installed inside the through hole.

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