Universal multifunctional electrical test fixture

Abstract

The utility model relates to the technical field of electrical property test equipment, and discloses a universal multifunctional electrical property test fixture, which comprises a base, the upper side of the base is fixedly connected with a limiting table, the upper side of the limiting table is provided with a plurality of limiting grooves, and the inner sides of the plurality of limiting grooves are connected with limiting sliding rods in a sliding manner; the upper ends of the multiple limiting sliding rods are jointly and fixedly connected with a testing table, a containing groove is formed in the upper side of the testing table, the containing groove is used for containing a PCB to be tested, and multiple rows of positioning holes are formed in the bottom side of the containing groove. The elastic assembly deforms and compresses for buffering, and structural safety protection can be effectively provided for PCBs with different thicknesses and heights.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric property testing equipment technical field especially relates to a general type multifunctional electric property testing fixture. BACKGROUND

[0002] In many practical use scenes, it needs to test and evaluate the PCB circuit board related to the electrical experiment first, such as the PCB circuit board in the power supply, the relevant electrical performance parameters of the power supply PCB board can be obtained by carrying out the large current test, however, the existing power circuit board test fixture has problems in safety measures.

[0003] For example, the utility model discloses a power board test fixture in the announcement number CN219978369U, relates to power board test technical field, including test machine etc., when the test board is contacted with the power board by the downward push of the down pressure handle, and the test action is implemented, the corresponding buffer, safety component is lacked, because the thickness of different PCB circuits and the length of wiring pin can be different, this can lead to the damage of PCB circuit board because of extrusion, in view of this, a general type multifunctional electric property testing fixture is provided. UTILITY MODEL CONTENTS

[0004] In order to solve the technical problem of safety during electric property testing, the utility model provides a general type multifunctional electric property testing fixture.

[0005] The utility model discloses the following technical scheme is adopted: a general type multifunctional electric property testing fixture, including the base, the upside of base is fixedly connected with the limiting table, the upside of limiting table is equipped with a plurality of limiting grooves, the inside of a plurality of limiting grooves is all slidingly connected with the limiting slide rod, the upper end of a plurality of limiting slide rods is fixedly connected with the test table in overall, the upside of test table is equipped with the placing groove, the placing groove is used to place the PCB circuit board of waiting for testing, the bottom side of placing groove is equipped with a plurality of rows of positioning holes, the bottom side of test table is equipped with a plurality of elastic components between the upside of limiting table, the upside of base is equipped with electric property connection mechanism.

[0006] As a further improvement of the above scheme, the electric property connection mechanism includes a vertical plate fixedly connected with the two sides of the base, the upper ends of the two vertical plates are fixedly connected with an installation plate, one side of the installation plate is rotatably connected with a pressing handle, one side of the pressing handle is rotatably connected with a connecting plate, one end of the connecting plate is rotatably connected with a push rod, the outer side of the push rod is slidingly connected with a sliding sleeve fixedly connected with one side of the installation plate, the lower end of the push rod is fixedly connected with a pressing plate, and the two sides of the pressing plate are provided with a slide rail limiting mechanism.

[0007] As a further improvement of the above-mentioned scheme, the slide rail limiting mechanism comprises slide rails fixedly connected with one side of the two vertical plates respectively, and slide blocks are slidably connected with the outer sides of the two slide rails respectively, and the upper sides of the two slide blocks are fixedly connected with the lower side of the pressing plate.

[0008] As a further improvement of the above-mentioned scheme, a pair of wiring pins are arranged on the pressing plate, and the wiring pins are used for connecting electric current.

[0009] As a further improvement of the above-mentioned scheme, a plurality of blocking rods are fixedly connected with the lower side of the pressing plate, and the lower ends of the plurality of blocking rods are arranged in cooperation with the frame of the test table.

[0010] As a further improvement of the above-mentioned scheme, when the pressing plate is pressed down, the lower ends of the plurality of blocking rods press down the frame of the test table, the test table descends downward from the initial position, the limiting slide rod slides downward along the inner side of the limiting groove, and the elastic assembly is deformed and compressed.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1、 the utility model discloses a pressing handle is rotated, and the pressing plate is pressed down, when the wiring pin and the blocking rod begin to contact with the PCB to be tested, the limiting slide rod slides down, and the elastic assembly is deformed and compressed to buffer, and the PCB circuit board of different thicknesses and heights can effectively provide structural safety protection.

[0013] 2、 the utility model discloses a slide rail limiting mechanism and a plurality of positioning holes are matched with each other, can improve the wiring and positioning precision of the wiring pin and the PCB of test fixture, and is favorable to improving the precision of test data. DRAWINGS

[0014] Figure 1 It is an overall structural schematic view of the universal multifunctional electrical property test fixture.

[0015] Figure 2 It is a side view of the universal multifunctional electrical property test fixture. Figure 1

[0016] Figure 3 It is a partial structural schematic view of the universal multifunctional electrical property test fixture. Figure 1

[0017] Figure 4 It is a bottom view of the universal multifunctional electrical property test fixture. Figure 3

[0018] Main symbol explanation:

[0019] ​​​1, base; 2, limit platform; 3, elastic assembly; 4, test platform; 5, placing groove; 6, limit sliding rod; 7, blocking rod; 8, wiring pin; 9, lower pressing plate; 10, sliding rail; 11, mounting plate; 12, connecting plate; 13, pressing handle; 14, sliding sleeve; 15, push rod; 16, vertical plate; 17, limit groove; 18, positioning hole; 19, sliding block. DETAILED DESCRIPTION

[0020] In the following, the utility model will be further described in conjunction with the drawings and specific embodiments, and it should be noted that the following described embodiments or technical features can be combined to form new embodiments without conflict.

[0021] Embodiment:

[0022] Please combine Figures 1-4 The universal multifunctional electrical property test fixture of the embodiment comprises a base 1, the upper side of the base 1 is fixedly connected with a limit platform 2, four limit grooves 17 are formed in the upper side of the limit platform 2, limit sliding rods 6 are slidably connected to the inner sides of the four limit grooves 17, a test platform 4 is fixedly connected to the upper ends of the four limit sliding rods 6, a placing groove 5 is formed in the upper side of the test platform 4, the placing groove 5 is tangent to the shape and size of an actual PCB, the placing groove 5 is used for placing a PCB to be tested, two rows of positioning holes 18 are formed in the bottom side of the placing groove 5, two elastic assemblies 3 are arranged between the lower side of the test platform 4 and the upper side of the limit platform 2, and an electrical property connection mechanism is arranged on the upper side of the base 1.

[0023] Please combine Figure 1 As shown in the figure, the electrical property connection mechanism comprises vertical plates 16 fixedly connected to the two sides of the base 1, a mounting plate 11 is fixedly connected to the upper ends of the two vertical plates 16, a pressing handle 13 is rotatably connected to one side of the mounting plate 11, a connecting plate 12 is rotatably connected to one side of the pressing handle 13, a push rod 15 is rotatably connected to one end of the connecting plate 12, a sliding sleeve 14 fixedly connected to one side of the mounting plate 11 is slidably connected to the outer side of the push rod 15, a lower pressing plate 9 is fixedly connected to the lower end of the push rod 15, and sliding rail limiting mechanisms are arranged on the two sides of the lower pressing plate 9.

[0024] It should be particularly noted that the lower pressing plate 9 in the embodiment is made of transparent material, so that the connection condition below the lower pressing plate 9 can be conveniently observed from above by the user.

[0025] Please combine Figure 2 As shown in the figure, the sliding rail limiting mechanisms comprise sliding rails 10 fixedly connected to one side of the two vertical plates 16, sliding blocks 19 are slidably connected to the outer sides of the two sliding rails 10, and the upper sides of the two sliding blocks 19 are fixedly connected to the lower side of the lower pressing plate 9.

[0026] Please combine Figure 4As shown, the lower pressing plate 9 is provided with a pair of wiring pins 8 for connecting current, and the upper end of the wiring pins 8 is externally connected to a circuit.

[0027] Please combine Figure 4 As shown, the lower side of the lower pressing plate 9 is fixedly connected with four stop rods 7, and the lower ends of the four stop rods 7 are simultaneously arranged in cooperation with the frame of the test table 4. In this embodiment, the four stop rods 7 are located at the four corners of the rectangular test table 4.

[0028] When the lower pressing plate 9 is pressed down, the lower ends of the four stop rods 7 press down the frame of the test table 4, the test table 4 moves away from the initial position and descends downward, the limiting slide rod 6 slides downward along the inner side of the limiting slot 17, and the elastic assembly 3 is deformed and compressed.

[0029] In this embodiment, the implementation principle of the universal multifunctional electrical property test fixture is as follows: the pressing handle 13 is rotated, the push rod 15 is pressed down by the connecting plate 12, the push rod 15 is pressed down by the lower pressing plate 9 under the limiting action of the sliding sleeve 14, the sliding block 19 slides downward along the sliding rail 10, when the stop rod 7 contacts the upper side of the test table 4 during the pressing process, the limiting slide rod 6 on the lower side of the test table 4 slides downward along the inner side of the limiting slot 17, the elastic assembly 3 is deformed and compressed, the test table 4 descends, and the wiring pins 8 are successfully connected to the circuit of the PCB.

[0030] The above embodiment is only a preferred embodiment of the utility model, and cannot be used to limit the range of protection of the utility model. Any non-substantial change and replacement made by a person skilled in the art on the basis of the utility model belongs to the range of protection required by the utility model.

Claims

1. A universal multifunctional electrical test fixture comprising a base (1), characterized in that, The upper side of the base (1) is fixedly connected with a limiting table (2), a plurality of limiting grooves (17) are formed in the upper side of the limiting table (2), the inner sides of the plurality of limiting grooves (17) are slidably connected with limiting sliding rods (6), the upper ends of the plurality of limiting sliding rods (6) are fixedly connected with a test table (4) in common, a placing groove (5) is formed in the upper side of the test table (4), the placing groove (5) is used for placing a PCB circuit board to be tested, a plurality of rows of positioning holes (18) are formed in the bottom side of the placing groove (5), a plurality of elastic components (3) are arranged between the lower side of the test table (4) and the upper side of the limiting table (2), and the upper side of the base (1) is provided with an electrical connection mechanism.

2. The universal multi-functional electrical testing fixture of claim 1, wherein, The electrical connection mechanism comprises two vertical plates (16) fixedly connected with the two sides of the base (1), an installation plate (11) is fixedly connected with the upper ends of the two vertical plates (16) in common, a pressing handle (13) is rotatably connected with one side of the installation plate (11), a connecting plate (12) is rotatably connected with one side of the pressing handle (13), a push rod (15) is rotatably connected with one end of the connecting plate (12), a sliding sleeve (14) fixedly connected with one side of the installation plate (11) is slidably connected with the outer side of the push rod (15), a lower pressing plate (9) is fixedly connected with the lower end of the push rod (15), and slide rail limiting mechanisms are arranged on the two sides of the lower pressing plate (9).

3. The universal multi-functional electrical testing fixture of claim 2, wherein, The slide rail limiting mechanisms comprise slide rails (10) fixedly connected with the two vertical plates (16) respectively, slide blocks (19) are slidably connected with the outer sides of the two slide rails (10) respectively, and the upper sides of the two slide blocks (19) are fixedly connected with the lower side of the lower pressing plate (9) in common.

4. The universal multi-functional electrical testing fixture of claim 2, wherein, A pair of wiring pins (8) are arranged on the lower pressing plate (9), and the wiring pins (8) are used for connecting electric current.

5. A universal multifunctional electrical testing fixture as described in claim 2, characterized in that, A plurality of blocking rods (7) are fixedly connected with the lower side of the lower pressing plate (9), and the lower ends of the plurality of blocking rods (7) are arranged in cooperation with the frame of the test table (4).

6. The universal multi-functional electrical testing fixture of claim 5, wherein, When the lower pressing plate (9) is pressed down, the lower ends of the plurality of blocking rods (7) press down the frame of the test table (4), the test table (4) moves away from the initial position and descends downward, the limiting sliding rods (6) slide downward along the inner sides of the limiting grooves (17), and the elastic components (3) are deformed and compressed.

Images