Withstand voltage test clamp

Abstract

The utility model relates to the technical field of battery testing, and discloses a withstand voltage test fixture. The utility model relates to a withstand voltage test fixture, which comprises a bracket, two first jig assemblies and two second jig assemblies, wherein the two first jig assemblies are oppositely arranged in the first direction of the support, one side face of the first movable plate is movably connected with a first foam jig, and the side face, opposite to the first foam jig, of the first movable plate is connected with a first power device; the two second jig assemblies are oppositely arranged in the second direction of the support, the first direction is perpendicular to the second direction, each second jig assembly comprises a second sliding rail and a second moving plate moving along the second sliding rail, and one side face of each second moving plate is movably connected with a second foam jig. A second power device is arranged on the side face, away from the second foam jig, of the second moving plate. According to the voltage-withstanding test fixture provided by the utility model, when the foam is damaged in the test process, the first foam fixture or the second foam fixture can be taken down from the voltage-withstanding test fixture in time, and the foam on the first foam fixture and the foam on the second foam fixture can be replaced.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery test technical field especially relates to a pressure test fixture. BACKGROUND

[0002] The electric core is an important component of the battery, in order to guarantee the reliability of electric core performance, the pressure resistance of electric core needs to be tested, when testing the electric core, the electric core needs to be fixed by a fixture, in order to protect the electric core, the surface of the fixture contacting the electric core is provided with soft material (such as foam material), and the soft material is often damaged during the test, but the existing fixture cannot quickly replace the soft material.

[0003] Therefore, a pressure test fixture is needed to solve the above technical problems. UTILITY MODEL CONTENT

[0004] The utility model discloses a pressure test fixture, which can solve the problem of slow replacement of soft material by the fixture.

[0005] To achieve this purpose, the utility model adopts the following technical scheme:

[0006] A pressure test fixture, comprising

[0007] A support;

[0008] Two first jig assemblies are oppositely arranged in the first direction of the support, the first jig assembly comprises a first sliding rail and a first moving plate moving along the first sliding rail, one side of the first moving plate is movably connected with a first foam jig, and the side opposite to the first moving plate and the first foam jig is connected with the first power device.

[0009] Two second jig assemblies are oppositely arranged in the second direction of the support, the first direction and the second direction are perpendicular to each other, the second jig assembly comprises a second sliding rail and a second moving plate moving along the second sliding rail, one side of the second moving plate is movably connected with a second foam jig, and the side opposite to the second moving plate and the second foam jig is provided with a second power device.

[0010] Wherein, the area of the first moving plate is greater than the area of the second moving plate, and the power of the first power device is less than the power of the second power device.

[0011] As an optional scheme, it further comprises a first limiting device and a second limiting device, and the first limiting device and the second limiting device are respectively used for limiting the position of the first moving plate and the second moving plate.

[0012] As an optional solution, the first mobile plate is provided with a first installation slot on the side adjacent to the first foam jig, the first foam jig is provided with a first installation part, the first installation part is clamped in the first installation slot, and / or

[0013] The second mobile plate is provided with a second installation slot on the side adjacent to the second foam jig, the second foam jig is provided with a second installation part, and the second installation part is clamped in the second installation slot.

[0014] As an optional solution, the bottom of the first installation slot is provided with a first through hole penetrating the first mobile plate, the first installation part is provided with a plurality of first fixing holes, and the first mobile plate and the first foam jig are fixed by a bolt through the first through hole and the first fixing hole, and / or

[0015] The bottom of the second installation slot is provided with a second through hole penetrating the second mobile plate, the second installation part is provided with a plurality of second fixing holes, and the second mobile plate and the second foam jig are fixed by a bolt through the second through hole and the second fixing hole.

[0016] As an optional solution, the first jig assembly is provided with two first sliding rails connected to the support, the two first sliding rails are parallel to each other and have a spacing, the two first sliding rails are respectively provided with a first sliding block, and the first sliding block is fixed to the side of the first mobile plate adjacent to the first sliding rail, and / or

[0017] The second jig assembly is provided with two second sliding rails connected to the support, the two second sliding rails are parallel to each other and have a spacing, the two second sliding rails are respectively provided with a second sliding block, and the second sliding block is fixed to the side of the second mobile plate adjacent to the second sliding rail.

[0018] As an optional solution, the first jig assembly is provided with a first accommodating slot, and one end of the output shaft of the first power device is accommodated in the first accommodating slot.

[0019] As an optional solution, the second power device and the second jig assembly are respectively arranged on the two sides of the support, the support is provided with a sliding groove, one end of the output shaft of the second power device is connected to the second jig assembly through a connecting piece, and the connecting piece can move in the sliding groove.

[0020] As an optional solution, the connecting piece is provided with a second accommodating slot adjacent to one end of the output shaft of the second power device, one end of the output shaft of the second power device is accommodated in the second accommodating slot, the other end of the connecting piece is provided with a second fixing hole, and the connecting piece is connected to the second jig assembly through the second fixing hole by a bolt.

[0021] As an optional solution, the two first fixture assemblies are provided with a test support, which is movably connected to the support.

[0022] As an optional solution, the test support comprises a fixing block movably arranged on the test support, which is used for placing the clamped battery cell.

[0023] The utility model has at least the following beneficial effects:

[0024] 1. When the first moving plate and the second moving plate approach the tested battery cell during testing, the first foam fixture and the second foam fixture are in contact with the tested battery cell, which can effectively prevent the abrasion caused by the relative movement of the battery cell and the pressure test fixture.

[0025] 2. The first foam fixture is movably connected to the first moving plate, and the second foam fixture is movably connected to the second moving plate. When the foam is damaged during testing, the first foam fixture or the second foam fixture can be removed from the pressure test fixture in time, and the foam on the first foam fixture and the second foam fixture can be replaced. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed to be used in the description of the embodiments of the utility model will be briefly introduced.

[0027] Figure 1 A structural schematic view of a pressure test fixture provided by the embodiments of the utility model is shown in the figure.

[0028] Figure 2 A structural schematic view of a first fixture assembly provided by the embodiments of the utility model is shown in the figure.

[0029] Figure 3 Another angle view of the first fixture assembly provided by the embodiments of the utility model is shown in the figure.

[0030] Figure 4 A structural schematic view of a first foam fixture provided by the embodiments of the utility model is shown in the figure.

[0031] Figure 5 A structural schematic view of a second fixture assembly provided by the embodiments of the utility model is shown in the figure.

[0032] Figure 6 A structural schematic view of a second foam fixture provided by the embodiments of the utility model is shown in the figure.

[0033] Figure 7 Another angle view of the pressure test fixture provided by the embodiments of the utility model is shown in the figure.

[0034] Figure 8 This is a schematic diagram of the connector provided in an embodiment of the present utility model.

[0035] Figure label:

[0036] 1. Bracket; 11. First power unit; 12. Second power unit; 13. Slide groove; 2. First fixture assembly; 21. First moving plate; 22. First mounting groove; 23. First slide rail; 24. First receiving groove; 25. First slider; 3. Second fixture assembly; 31. Second moving plate; 32. Second mounting groove; 33. Second slider; 34. Second slide rail; 4. Test bracket; 5. First foam fixture; 51. First mounting part; 52. First fixing hole; 6. Second foam fixture; 61. Second mounting part; 62. Second fixing hole; 7. Connector; 71. Second receiving groove; 72. Second fixing hole. Detailed Implementation

[0037] In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit the scope of this utility model.

[0038] In the prior art, when testing battery cells, a soft material is placed on the surface of the fixture that contacts the battery cell to protect the cell. This soft material often causes damage during the testing process, but the existing fixtures cannot quickly replace the soft material.

[0039] Therefore, such as Figures 1 to 8 As shown, an embodiment of this utility model provides a pressure resistance test fixture to solve the above-mentioned technical problems.

[0040] Specifically, such as Figure 1 , Figure 2 and Figure 5As shown in the drawings, a kind of pressure test fixture, including support 1, two first fixture components 2 and two second fixture components 3;Wherein, two first fixture components 2 are oppositely arranged in the first direction of support 1, and first fixture component 2 includes first sliding rail 23 and the first mobile plate 21 moving along first sliding rail 23, and one side of first mobile plate 21 is movably connected with first foam fixture 5, and first foam fixture 5 is provided with foam, and the side opposite to first foam fixture 5 of first mobile plate 21 is connected with first power device 11;Two second fixture components 3 are oppositely arranged in the second direction of support 1, and the first direction and the second direction are perpendicular to each other, and second fixture component 3 includes second sliding rail 34 and the second mobile plate 31 moving along second sliding rail 34, and one side of second mobile plate 31 is movably connected with second foam fixture 6, and second foam fixture 6 is provided with foam, and the side away from second foam fixture 6 of second mobile plate 31 is provided with second power device 12;The area of first mobile plate 21 is greater than the area of second mobile plate 31, and the power of first power device 11 is less than the power of second power device 12, to meet the demand of test.In testing, when first mobile plate 21 and second mobile plate 31 approach the tested battery cell, first foam fixture 5, second foam fixture 6 and the tested battery cell are contacted, which can effectively prevent the wear caused by the relative movement of battery cell to pressure test fixture, and since first foam fixture 5 is movably connected to first mobile plate 21, and second foam fixture 6 is movably connected to second mobile plate 31, when the foam is damaged during testing, first foam fixture 5 or second foam fixture 6 can be removed from the pressure test fixture in time, and the foam on first foam fixture 5 and second foam fixture 6 can be replaced.

[0041] In some embodiments, in order to limit the position of first mobile plate 21 and second mobile plate 31, first limiting device and second limiting device are provided on support 1, first limiting device limits first mobile plate 21, and second limiting device limits second mobile plate 31.

[0042] As shown in the drawings, Figure 2 And Figure 4 In some embodiments, in order to facilitate the installation of first foam fixture 5 on first mobile plate 21, first installation slot 22 is provided on the side adjacent to first foam fixture 5 of first mobile plate 21, first foam fixture 5 is provided with first mounting portion 51, first mounting portion 51 is clamped in first installation slot 22, and first foam fixture 5 is used to accommodate foam, of course, Figure 5 And Figure 6 Second installation slot 32 is provided on the side adjacent to second foam fixture 6 of second mobile plate 31, second foam fixture 6 is used for foam, and second foam fixture 6 is provided with second mounting portion 61, and second mounting portion 61 is clamped in second installation slot 32.

[0043] As shown in the drawings, Figure 3 AndFigure 4 As shown, in some embodiments, to facilitate the secure fixing of the first foam fixture 5 to the first movable plate 21 and to facilitate the installation of both, the bottom of the first mounting groove 22 is provided with a first through hole penetrating the first movable plate 21, and the first mounting part 51 is provided with a plurality of first fixing holes 52. The first movable plate 21 and the first foam fixture 5 are fixed with pins through the first through holes and any one of the first fixing holes 52. This facilitates the adjustment of the relative position of the first foam fixture 5 and the first movable plate 21. Alternatively, the bottom of the second mounting groove 32 is provided with a second through hole penetrating the second movable plate 31, such as... Figure 6 As shown, the second mounting part 61 is provided with a plurality of second fixing holes 62, and the second moving plate 31 and the second foam fixture 6 are fixed to any one of the second fixing holes 62 by means of a pin through the second through hole.

[0044] like Figure 2 and Figure 3 As shown, in some embodiments, to ensure stable movement of the first fixture assembly 2, the first fixture assembly 2 is provided with two first slide rails 23. The two first slide rails 23 are connected to the bracket 1, and the two first slide rails 23 are parallel to each other and spaced apart. Each of the two first slide rails 23 is provided with a first slider 25, and the first slider 25 is fixed to the side of the first moving plate 21 adjacent to the first slide rail 23. Alternatively, as shown... Figure 5 As shown, the second fixture assembly 3 is provided with two second slide rails 34, which are connected to the bracket 1. The two second slide rails 34 are parallel to each other and have a gap. Each of the two second slide rails 34 is provided with a second slider 33, which is fixed to the side of the second moving plate 31 adjacent to the second slide rail 34.

[0045] like Figure 3 As shown, in some embodiments, the first fixture assembly 2 is provided with a first receiving groove 24, and the shape of one end of the output shaft of the first power device 11 matches the first receiving groove 24. One end of the output shaft of the first power device 11 is accommodated in the first receiving groove 24, which facilitates the installation of the first power device 11 on the first fixture assembly 2.

[0046] like Figure 7 , Figure 8 As shown, in some embodiments, in order to facilitate the installation of the second power device 12 on the second fixture assembly 3, the second power device 12 and the second fixture assembly 3 are respectively arranged on both sides of the bracket 1. The bracket 1 is provided with a slide groove 13. One end of the output shaft of the second power device 12 is connected to the second fixture assembly 3 through a connector 7. The connector 7 can move within the slide groove 13.

[0047] like Figure 7 , Figure 8 As shown, in some embodiments, to facilitate the mounting of the second power unit 12 on the connector 7,

[0048] The connecting piece 7 is provided with a second accommodating groove 71 adjacent to one end of the output shaft of the second power device 12, the shape of the one end of the output shaft of the second power device 12 is matched with the second accommodating groove 71, the one end of the output shaft of the second power device 12 is accommodated in the second accommodating groove 71, and the other end of the connecting piece 7 is provided with a second fixing hole 72, and the connecting piece 7 is connected with the second jig assembly 3 through the second fixing hole 72 by means of bolts.

[0049] As shown in Figure 1 In some embodiments, the test support 4 is arranged between the two first jig assemblies 2, and the test support 4 is movably connected to the support 1, so that the appropriate test support 4 can be replaced according to the actual needs.

[0050] In some embodiments, the test support 4 comprises a fixing block movably arranged on the test support 4, so that the position of the fixing block can be flexibly adjusted, and the clamped battery cell can be placed thereon.

[0051] The above description is only the preferred embodiments of the present application, and is not used to limit the present application, and it should be pointed out that, for the ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection scope of the present application.

Claims

1. A voltage withstand test fixture, characterized by, Comprising a support (1); two first jig assemblies (2) oppositely arranged in a first direction of the support (1), the first jig assembly (2) comprising a first sliding rail (23) and a first moving plate (21) moving along the first sliding rail (23), one side of the first moving plate (21) movably connected with a first foam jig (5), and the side of the first moving plate (21) opposite to the first foam jig (5) connected with the first power device (11); two second jig assemblies (3) oppositely arranged in a second direction of the support (1), the first direction and the second direction being perpendicular to each other, the second jig assembly (3) comprising a second sliding rail (34) and a second moving plate (31) moving along the second sliding rail (34), one side of the second moving plate (31) movably connected with a second foam jig (6), and the side of the second moving plate (31) away from the second foam jig (6) provided with a second power device (12); wherein the area of the first moving plate (21) is greater than the area of the second moving plate (31), and the power of the first power device (11) is less than the power of the second power device (12).

2. The voltage withstanding test fixture of claim 1, wherein, Further comprising a first limiting device and a second limiting device, the first limiting device and the second limiting device respectively used for limiting the position of the first moving plate (21) and the second moving plate (31).

3. The voltage withstanding test fixture of claim 1, wherein, The side of the first moving plate (21) adjacent to the first foam jig (5) is provided with a first mounting groove (22), the first foam jig (5) is provided with a first mounting portion (51), the first mounting portion (51) is clamped in the first mounting groove (22), and / or The side of the second moving plate (31) adjacent to the second foam jig (6) is provided with a second mounting groove (32), the second foam jig (6) is provided with a second mounting portion (61), and the second mounting portion (61) is clamped in the second mounting groove (32).

4. The voltage withstanding test fixture of claim 3, wherein, The bottom of the first mounting groove (22) is provided with a first through hole penetrating the first moving plate (21), the first mounting portion (51) is provided with a plurality of first fixing holes (52), and the first moving plate (21) and the first foam jig (5) are fixed by a bolt through the first through hole and the first fixing hole (52), and / or The bottom of the second mounting groove (32) is provided with a second through hole penetrating the second moving plate (31), the second mounting portion (61) is provided with a plurality of second fixing holes (62), and the second moving plate (31) and the second foam jig (6) are fixed by a bolt through the second through hole and the second fixing hole (62).

5. The voltage withstanding test fixture of claim 1, wherein, The first jig assembly (2) is provided with two first sliding rails (23) connected with the support (1), the two first sliding rails (23) are parallel to each other and have a spacing, and the two first sliding rails (23) are respectively provided with first sliding blocks (25) fixed to the side of the first moving plate (21) adjacent to the first sliding rail (23), and / or The second jig assembly (3) is provided with two second sliding rails (34) connected with the support (1), the two second sliding rails (34) are parallel to each other and have a spacing, and the two second sliding rails (34) are respectively provided with second sliding blocks (33) fixed to the side of the second moving plate (31) adjacent to the second sliding rail (34).

6. The voltage withstanding test fixture of claim 1, wherein, The first jig assembly (2) is provided with a first accommodating groove (24), and one end of the output shaft of the first power device (11) is accommodated in the first accommodating groove (24).

7. The voltage withstanding test fixture according to any one of claims 1-6, wherein, The second power device (12) and the second jig assembly (3) are respectively arranged on the two sides of the support (1), the support (1) is provided with a sliding groove (13), one end of the output shaft of the second power device (12) is connected with the second jig assembly (3) through a connecting piece (7), and the connecting piece (7) can move in the sliding groove (13).

8. The voltage withstanding test fixture of claim 7, wherein, The connecting piece (7) is provided with a second accommodating groove (71) adjacent to one end of the output shaft of the second power device (12), one end of the output shaft of the second power device (12) is accommodated in the second accommodating groove (71), the other end of the connecting piece (7) is provided with a second fixing hole (72), and the connecting piece (7) is connected with the second jig assembly (3) through the second fixing hole (72) by bolts.

9. The voltage withstanding test fixture of claim 1, wherein, The two first jig assemblies (2) are provided with a test support (4) movably connected to the support (1).

10. The voltage withstanding test fixture of claim 9, wherein, The test support (4) includes a fixed block movably arranged on the test support (4), and the fixed block is used for placing the clamped battery cell.

Images