Battery test fixture

Abstract

The utility model discloses a battery test fixture, which comprises a bottom plate and a support plate, a guide strip is arranged on the bottom plate, a first fixing strip and a second fixing strip are respectively arranged on two sides of the guide strip, the first fixing strip and the second fixing strip are arranged at intervals with the guide strip, and a matching notch is arranged at the bottom of the support plate to enable the support plate to be arranged on the guide strip in a crossing manner. A first inserting part is arranged on one side of the supporting plate, a plurality of first matching parts are arranged on the first fixing strip, the first inserting part is matched with the first matching parts in an inserting mode, a second inserting part is arranged on the other side of the supporting plate, a plurality of second matching parts are arranged on the second fixing strip, and the second inserting part is matched with the second matching parts in an inserting mode. A mounting groove corresponding to the battery is also formed in the upper part of the supporting plate; the bottom plate is also provided with a test piece, and the test piece is used for testing the battery. According to the utility model, rapid plugging, dismounting and replacement of the support plate are realized, and the problems of too long replacement period, tedious steps, screw loss and the like of a test fixture are thoroughly avoided.

Description

Technical Field

[0001] The utility model relates to the field of batteries, in particular to a battery testing fixture. Background Art

[0002] At present, lithium-ion / sodium-ion cylindrical batteries have gradually become mainstream products in the new energy industry due to their high energy density, good capacity consistency, and support for high-rate charging and discharging. More and more cylindrical power batteries of different sizes and models have begun to be produced and installed. At the same time, more and more manufacturers have begun to pursue the simplification / universality of different cylindrical power battery test fixtures and other convenient switching, but the following problems still exist: 1. Cylindrical power battery models have different diameters / lengths, etc., which leads to the need to make many types of test fixtures, which invisibly increases costs, and too many fixtures bring many inconveniences in management and storage; 2. Some manufacturers have begun to pursue the simplification / universality of different cylindrical power battery test fixtures. For example: the battery support plate and the ejector tail plate need to remove multiple screws. After replacing the new support plate and ejector tail plate, the screws are installed one by one, resulting in problems such as too long and cumbersome fixture transformation cycle and lost screws. Summary of the invention

[0003] The utility model aims to provide a battery testing fixture which is very convenient to install and disassemble.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a battery testing fixture, including a base plate and a support plate, the base plate is provided with a guide strip, the two sides of the guide strip are respectively provided with a first fixing strip and a second fixing strip, the first fixing strip and the second fixing strip are both arranged at a distance from the guide strip, the bottom of the support plate is provided with a matching notch recessed inwardly so that the support plate is straddled on the guide strip, and one side of the support plate is provided with a first plug-in portion, the first fixing strip is provided with a plurality of first matching portions corresponding to the first plug-in portion, the first plug-in portion and the first matching portion are plug-fitted in a concave-convex manner in a direction perpendicular to the base plate, a second plug-in portion is provided on the other side of the support plate, the second fixing strip is provided with a plurality of second matching portions corresponding to the second plug-in portion, the second plug-in portion and the second matching portion are plug-fitted in a concave-convex manner in a direction perpendicular to the base plate, and the upper part of the support plate is also provided with a mounting groove corresponding to the battery for mounting the battery; a test piece is also provided on the base plate, and the test piece is used to test the battery.

[0005] Preferably, the first plug-in portion and the second plug-in portion are both grooves, and the first matching portion and the second matching portion are both protrusions; or the first plug-in portion and the second plug-in portion are both protrusions, and the first matching portion and the second matching portion are both grooves.

[0006] Preferably, the bottom plate is provided with a first groove and a second groove which are arranged at intervals along the width direction thereof to form the guide bar, the first fixing bar and the second fixing bar.

[0007] Preferably, a plurality of the first matching portions are evenly arranged in the length direction of the first fixing strip, a plurality of the second matching portions are evenly arranged in the length direction of the second fixing strip, and the first matching portions and the second matching portions are arranged in a one-to-one correspondence.

[0008] Preferably, the support plate comprises a first support plate and a second support plate, and the first support plate and the second support plate are arranged at intervals in the length direction of the guide bar to respectively support two ends of the battery.

[0009] Preferably, the mating recess includes a first sub-mating recess and a second sub-mating recess, the first sub-mating recess is located below the first support plate, and the second sub-mating recess is located below the second support plate, the mounting groove includes a first sub-mounting groove and a second sub-mounting groove, the first sub-mounting groove is located above the first support plate, and the second sub-mounting groove is located above the second support plate, the first plug-in portion includes a first sub-plug-in portion and a second sub-plug-in portion, the second plug-in portion includes a third sub-plug-in portion and a fourth sub-plug-in portion, the first sub-plug-in portion is located on one side of the first support plate, the third sub-plug-in portion is arranged on the other side of the first support plate, the second sub-plug-in portion is located on one side of the second support plate, and the fourth sub-plug-in portion is arranged on the other side of the second support plate.

[0010] Preferably, the test piece includes a front probe for electrically connecting to the positive pole of the battery and a tail probe for electrically connecting to the negative pole of the battery, the front probe is installed on a first movable device to adjust the position of the front probe, and the tail probe is installed on a second movable device to adjust the position of the tail probe, and the first movable device, the support plate and the second movable device are sequentially arranged on the base plate.

[0011] Preferably, the first moving device includes a U-shaped slider, a push rod and a quick handle, the U-shaped slider includes a first vertical plate, a second vertical plate and a bottom slide connecting the first vertical plate and the second vertical plate, the first vertical plate is provided with a front probe, the second vertical plate is connected to one end of the push rod, a guide groove is provided at the top of the guide bar along its length direction, the bottom slide can move along the guide groove, the push rod is arranged along the length direction of the guide bar and the other end of the push rod is connected to the quick handle to push the U-shaped slider to move along the guide groove to the detection position.

[0012] Preferably, the first movable device is arranged on the front side of the support plate, and the second movable device is arranged on the rear side of the support plate. The second movable device includes a probe tail plate. The bottom of the probe tail plate is provided with an inwardly recessed mating opening so that the probe tail plate is straddled on the guide bar. One side of the probe tail plate is provided with a third plug-in portion that is plug-in-fitted with the first mating portion, and the other side of the probe tail plate is provided with a fourth plug-in portion that is plug-in-fitted with the second mating portion. The third plug-in portion is plug-connected to the first mating portion, and the fourth plug-in portion is plug-connected to the second mating portion. The tail probe is arranged on the probe tail plate.

[0013] Preferably, the first matching portion and the second matching portion are both protrusions, the width of the first matching portion in the length direction of the first fixing strip is greater than or equal to 3 mm and less than or equal to 8 mm, the distance between two adjacent first matching portions is greater than or equal to 1 mm and less than or equal to 2 mm, and the protruding height of the first matching portion is greater than or equal to 2 mm and less than or equal to 10 mm; the width of the second matching portion in the length direction of the second fixing strip is greater than or equal to 3 mm and less than or equal to 8 mm, the distance between two adjacent second matching portions is greater than or equal to 1 mm and less than or equal to 2 mm, and the protruding height of the second matching portion is greater than or equal to 2 mm and less than or equal to 10 mm.

[0014] Compared with the prior art, the utility model arranges a guide bar, a first mating portion and a second mating portion on the bottom plate, and designs a support plate that straddles the guide bar and is plugged into and mated with the first mating portion and the second mating portion, thereby achieving rapid plug-in, disassembly and replacement of the support plate, and completely avoiding the problems of long replacement cycle of the test fixture, cumbersome steps, and lost screws. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural diagram of the battery testing fixture of the utility model embodiment after the battery is installed.

[0016] Figure 2 This is a structural diagram of a battery testing fixture according to an embodiment of the utility model.

[0017] Figure 3 This is a top view of the battery testing fixture of an embodiment of the utility model with the support plate and the second moving device installed and not installed.

[0018] Figure 4 for Figure 3 Sectional view along AA direction.

[0019] Figure 5 for Figure 3 Enlarged view of point B in the middle.

[0020] Figure 6 This is a partial exploded view of a battery test fixture according to an embodiment of the utility model at one angle, showing the process of the support plate and the second moving device being plugged into the bottom plate respectively.

[0021] Figure 7 for Figure 2 Another exploded view of the part.

[0022] Figure 8 This is a structural diagram of the first sub-plug-in portion and the third sub-plug-in portion of the first sub-support plate of the embodiment of the utility model when both are protruding. DETAILED DESCRIPTION

[0023] In order to explain the technical content, structural features and effects achieved by the present invention in detail, the following is a detailed description in conjunction with the implementation modes and the accompanying drawings.

[0024] like Figures 1 to 7 As shown, the utility model provides a battery testing fixture, including a base plate 1 and a support plate 5, a guide bar 2 is provided on the base plate 1, and a first fixing bar 3 and a second fixing bar 4 are respectively provided on both sides of the guide bar 2, the first fixing bar 3 and the second fixing bar 4 are both spaced apart from the guide bar 2, a matching notch recessed inwardly is provided at the bottom of the support plate 5 so that the support plate 5 is straddled on the guide bar 2, and a first plug-in portion is provided on one side of the support plate 5, a plurality of first matching portions 31 are provided on the first fixing bar 3 corresponding to the first plug-in portion, the first plug-in portion and the first matching portion 31 are plug-fitted in a concave-convex manner in a direction perpendicular to the base plate 1, a second plug-in portion is provided on the other side of the support plate 5, a plurality of second matching portions 41 are provided on the second fixing bar 4 corresponding to the second plug-in portion, the second plug-in portion and the second matching portion 41 are plug-fitted in a concave-convex manner in a direction perpendicular to the base plate 1, and an installation groove corresponding to the battery 10 is also provided on the upper part of the support plate 5 for installing the battery 10; a test piece is also provided on the base plate 1, and the test piece is used to test the battery 10. Specifically, the battery 10 can be a cylindrical power battery, the base plate 1 has a length direction and a width direction, the guide bar 2, the first fixing bar 3 and the second fixing bar 4 all extend along the length direction of the base plate 1, and a plurality of different support plates 5 can be preset according to the model and size of the battery 10. When in use, it is only necessary to select a suitable support plate 5 and plug the two ends of the support plate 5 from the top of the base plate 1 downward into the first matching portion 31 and the second matching portion 41 to complete the installation. If the position of the support plate 5 needs to be adjusted, it is only necessary to pull the support plate 5 upward and reinsert it downward at the desired position. The installation and disassembly is very convenient.

[0025] The embodiment of the utility model arranges a guide bar 2, a first matching portion 31 and a second matching portion 41 on the base plate 1, and designs a support plate 5 that is arranged astride the guide bar 2 and is plugged into and matched with the first matching portion 31 and the second matching portion 41, thereby realizing rapid plug-in, disassembly and replacement of the support plate 5, and completely avoiding the problems of too long replacement cycle of the test fixture, cumbersome steps, and lost screws.

[0026] In the embodiment of the utility model, the first plug-in portion and the second plug-in portion are both grooves, and the first matching portion 31 and the second matching portion 41 are both protrusions. Specifically, the first matching portion is a protrusion protruding toward the guide strip 2, and the second matching portion is a protrusion protruding toward the guide strip 2. The first plug-in portion and the second plug-in portion are grooves provided at the lower part of both sides of the support plate 5, and the grooves are open in the direction of the corresponding protrusions and in the direction downward and are dustpan-shaped. The plug-in connection between the first plug-in portion and the first matching portion 31 and the plug-in connection between the second plug-in portion and the second matching portion 41 are achieved through the concave-convex matching of the protrusions and the grooves. Of course, the specific groove structure of the first plug-in portion and the second plug-in portion is not limited, and the specific protrusion structure of the first matching portion 31 and the second matching portion 41 is not limited, as long as the plug-in matching of the protrusions and the grooves can be achieved.

[0027] In the embodiment of the utility model, the bottom plate 1 is provided with a first groove 11 and a second groove 12 arranged at intervals along its width direction to form a guide bar 2, a first fixing bar 3 and a second fixing bar 4. Specifically, as Figure 2 As shown, a first groove 11 and a second groove 12 are opened in parallel on the bottom plate 1, and the first groove 11 and the second groove 12 extend along the length direction of the bottom plate 1, thereby forming a guide strip 2 located in the middle and a first fixing strip 3 and a second fixing strip 4 located on both sides of the guide strip 2. The depth H of the first groove 11 and the depth H of the second groove 12 are both greater than or equal to 5 mm and less than or equal to 10 mm to ensure the insertion depth of the first matching portion 31 and the second matching portion 41. Of course, the arrangement of the guide strip 2, the first fixing strip 3, and the second fixing strip 4 is not limited, as long as the guide strip 2, the first fixing strip 3, and the second fixing strip 4 are arranged at intervals.

[0028] In the embodiment of the utility model, Figures 2 to 7 As shown, a plurality of first matching portions 31 are evenly arranged in the length direction of the first fixing strip 3, and a plurality of second matching portions 41 are evenly arranged in the length direction of the second fixing strip 4, and the first matching portions 31 and the second matching portions 41 are arranged in a one-to-one correspondence. Specifically, the first matching portions 31 and the second matching portions 41 have the same structure and are arranged in a one-to-one correspondence, the first matching portions 31 and the second matching portions 41 are semi-cylindrical, and the inner surfaces of the first plug-in portion and the second plug-in portion are also semi-cylindrical to be plugged and matched with the first matching portions 31 and the second matching portions 41.

[0029] In the embodiment of the utility model, Figures 1 to 7 As shown, the support plate 5 includes a first support plate 51 and a second support plate 52, and the first support plate 51 and the second support plate 52 are arranged at intervals in the length direction of the guide bar 2 to respectively support the two ends of the battery 10. Specifically, the first support plate 51 and the second support plate 52 are both plate-shaped structures, the first support plate 51 supports the positive terminal of the battery 10, and the second support plate 52 supports the negative terminal of the battery 10. The support plate 5 is arranged as the first support plate 51 and the second support plate 52, and the interval between the first support plate 51 and the second support plate 52 can be flexibly adjusted according to the length of the battery 10 to support the battery 10 more stably and with high flexibility. The mating recess includes a first sub-mating recess 511 and a second sub-mating recess 521, the first sub-mating recess 511 is located below the first support plate 51, and the second sub-mating recess 521 is located below the second support plate 52, the mounting groove includes a first sub-mounting groove 514 and a second sub-mounting groove 524, the first sub-mounting groove 514 is located above the first support plate 51, and the second sub-mounting groove 524 is located above the second support plate 52, the first plug-in portion includes a first sub-plug-in portion 512 and a second sub-plug-in portion 522, the second plug-in portion includes a third sub-plug-in portion 513 and a fourth sub-plug-in portion 523, the first sub-plug-in portion 512 is located on one side of the first support plate 51, the third sub-plug-in portion 513 is located on the other side of the first support plate 51, the second sub-plug-in portion 522 is located on one side of the second support plate 52, and the fourth sub-plug-in portion 523 is located on the other side of the second support plate 52. The number of the first sub-plug-in portion 512, the second sub-plug-in portion 522, the third sub-plug-in portion 513 and the fourth sub-plug-in portion 523 is one or more. Of course, the support plate 5 can also be an integrated block structure. The installation groove for installing the battery 10, the first plug-in portion, the second plug-in portion and the installation groove are provided on the support plate 5 of the block structure to achieve the installation and disassembly of the support plate.

[0030] In some other embodiments of the present invention, the first plug-in portion and the second plug-in portion are both protrusions, and the first matching portion 31 and the second matching portion 41 are both grooves. Figure 8 As shown, the first sub-plug-in portion 512a and the third sub-plug-in portion 513a of the first sub-support plate 51 are both protrusions, and the second sub-plug-in portion and the fourth sub-plug-in portion of the second sub-support plate 55 are both protrusions. Correspondingly, the first matching portion 31 and the second matching portion 41 are both grooves arranged corresponding to the protrusions.

[0031] In the embodiment of the utility model, Figures 1 to 7As shown, the test piece 20 includes a front probe 201 for electrically connecting to the positive electrode of the battery 10 and a rear probe 202 for electrically connecting to the negative electrode of the battery 10. The front probe 201 is mounted on the first moving device 6 to adjust the position of the front probe 201, and the rear probe 202 is mounted on the second moving device 7 to adjust the position of the rear probe 202. The first moving device 6, the support plate 5, and the second moving device 7 are sequentially arranged on the bottom plate 1. Specifically, the front probe 201 is arranged facing the positive electrode of the battery 10 mounted on the support plate 5, and the rear probe 202 is arranged facing the negative electrode of the battery 10 mounted on the support plate 5. The positive and negative electrodes of the battery 10 are tested by the front probe 201 and the rear probe 202.

[0032] Furthermore, if Figure 1 to Figure 2 As shown, the first moving device 6 includes a U-shaped slider 61, a push rod 62 and a quick handle 63. The U-shaped slider 61 includes a first vertical plate 611, a second vertical plate 612 and a bottom slide 613 connecting the first vertical plate 611 and the second vertical plate 612. The front probe 201 is installed on the first vertical plate 611, and the second vertical plate 612 is connected to one end of the push rod 62. The top of the guide bar 2 is provided with a guide slot 21 along its length direction. The bottom slide 613 can slide along the guide slot 21. The push rod 62 is arranged along the length direction of the guide bar 2 and the other end of the push rod 62 is connected to the quick handle 63 to push the U-shaped slider 61 to move along the guide slot 21 to the detection position. Specifically, the front probe 201 and the rear probe 202 are both elastic probes, and the length of the guide slot 21 corresponds to the stroke setting of the U-shaped slider 61.

[0033] Furthermore, if Figures 1 to 7As shown, the first moving device 6 is arranged on the front side of the support plate 5, and the second moving device 7 is arranged on the rear side of the support plate 5. The second moving device 7 includes a probe tail plate 71. The bottom of the probe tail plate 71 is provided with an inwardly recessed mating opening 72 so that the probe tail plate 71 is straddled on the guide strip 2. The bottom of one side of the probe tail plate 71 is provided with a third plug-in portion 73 which is plug-in-concavely matched with the first mating portion 31. The bottom of the other side of the probe tail plate 71 is provided with a fourth plug-in portion 74 which is plug-in-concavely matched with the second mating portion 41. The third plug-in portion 73 is plug-connected with the first mating portion 31, and the fourth plug-in portion 74 is plug-connected with the second mating portion 41. A tail probe 202 is arranged on the probe tail plate 71. Specifically, the probe tail plate 71 is a plate-shaped structure, and the probe tail plate 71 is installed and fixed at a suitable position of the guide bar 2. When the battery 10 is installed on the support plate 5, the quick handle 63 is pushed to drive the push rod 62 to push the U-shaped slider 61 to move toward the support plate 5, and the front probe 201 is in contact with the positive electrode of the battery 10, and the tail probe 202 is in contact with the negative electrode of the battery 10. Specifically, the third plug-in portion 73 and the fourth plug-in portion 74 are both grooves. In some other embodiments, when the first matching portion 31 and the second matching portion 41 are both grooves, the third plug-in portion 73 and the fourth plug-in portion 74 are both protrusions.

[0034] In the embodiment of the utility model, the number of the third plug-in portion 73 and the number of the fourth plug-in portion 74 are two respectively. Specifically, the number of the third plug-in portion 73 and the number of the fourth plug-in portion 74 can be set according to actual needs and is not limited here.

[0035] In the embodiment of the utility model, Figures 3 to 5 As shown, the width of the first matching portion 31 in the length direction of the first fixing strip 3 is greater than or equal to 3 mm and less than or equal to 8 mm, the distance between two adjacent first matching portions 31 is greater than or equal to 1 mm and less than or equal to 2 mm, and the protruding height of the first matching portion 31 is greater than or equal to 2 mm and less than or equal to 10 mm; the width W of the second matching portion 41 in the length direction of the second fixing strip 4 is greater than or equal to 3 mm and less than or equal to 8 mm, the distance L between two adjacent second matching portions 41 is greater than or equal to 1 mm and less than or equal to 2 mm, and the protruding height M of the second matching portion 41 is greater than or equal to 2 mm and less than or equal to 10 mm.

[0036] The method of using the battery test fixture of the embodiment of the utility model is as follows: according to the model of the battery 10, such as diameter, length, etc., select a suitable battery 10 support plate 5 and probe tail plate 71 to be installed on the bottom plate 1; then place the cylindrical battery 10 to be tested on the mounting groove of the support plate 5; then push the quick handle 63, and the push rod 62 pushes the U-shaped slider 61 so that the front probe 201 squeezes the positive top cover end of the battery 10 until the negative electrode of the battery 10 also contacts or compresses the tail probe 202 on the probe tail plate 71, thereby locking the battery 10 and performing normal testing; after the test is completed, first release the quick handle 63 and take out the battery 10. If it is necessary to replace other models of batteries 10 for measurement, just unplug the support plate 5 and the probe tail plate 71 and adjust the positions of the support plate 5 and the probe tail plate 71 or replace other suitable support plates 5 and probe tail plates 71. The design is ingenious and easy to disassemble and assemble, which completely avoids the problems of too long replacement cycle of the test fixture, cumbersome steps, and lost screws.

[0037] The above disclosure is only a preferred example of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Therefore, equivalent changes made according to the scope of the patent application of the present invention still fall within the scope covered by the present invention.

Claims

1. A battery testing fixture, characterized in that: The invention also provides a method for fixing the fixing member to the fixing structure of the fixing member, wherein the fixing member has a first fixing strip and a second fixing strip on both sides of the fixing member, the fixing member and the second fixing strip being arranged at a distance from the fixing member, the fixing member having a bottom portion and a bottom portion, and a first plug-in portion being arranged on one side of the fixing member, the first plug-in portion and the second matching portion being arranged in a concave-convex manner in a direction perpendicular to the fixing member, the fixing member having a second fixing strip being arranged on the other side of the fixing member, the fixing member having a second fixing strip being arranged on the second side of the fixing member, the fixing member having a second fixing strip being arranged in a concave-convex manner in a direction perpendicular to the fixing member, the fixing member having a second fixing strip being arranged in a concave-convex manner in a direction perpendicular to the fixing member, and the fixing member having a mounting groove corresponding to the battery for mounting the battery. A test piece is also arranged on the bottom plate, and the test piece is used to test the battery.

2. The battery test fixture according to claim 1, characterized in that: The first plug-in portion and the second plug-in portion are both grooves, and the first matching portion and the second matching portion are both protrusions; or the first plug-in portion and the second plug-in portion are both protrusions, and the first matching portion and the second matching portion are both grooves.

3. The battery test fixture as claimed in claim 1, characterized in that: The bottom plate is provided with a first groove and a second groove arranged at intervals along the width direction thereof to form the guide bar, the first fixing bar and the second fixing bar.

4. The battery test fixture as claimed in claim 1, characterized in that: A plurality of the first matching portions are evenly arranged in the length direction of the first fixing strip, a plurality of the second matching portions are evenly arranged in the length direction of the second fixing strip, and the first matching portions and the second matching portions are arranged in a one-to-one correspondence.

5. The battery test fixture as claimed in claim 1, characterized in that: The support plate includes a first support plate and a second support plate, and the first support plate and the second support plate are arranged at intervals in the length direction of the guide bar to respectively support two ends of the battery.

6. The battery test fixture as claimed in claim 5, characterized in that: The mating recess includes a first sub-mating recess and a second sub-mating recess, the first sub-mating recess is located below the first support plate, and the second sub-mating recess is located below the second support plate, the mounting groove includes a first sub-mounting groove and a second sub-mounting groove, the first sub-mounting groove is located above the first support plate, and the second sub-mounting groove is located above the second support plate, the first plug-in portion includes a first sub-plug-in portion and a second sub-plug-in portion, the second plug-in portion includes a third sub-plug-in portion and a fourth sub-plug-in portion, the first sub-plug-in portion is located on one side of the first support plate, the third sub-plug-in portion is located on the other side of the first support plate, the second sub-plug-in portion is located on one side of the second support plate, and the fourth sub-plug-in portion is located on the other side of the second support plate.

7. The battery test fixture as claimed in claim 1, characterized in that: The test piece includes a front probe for electrically connecting to the positive pole of the battery and a tail probe for electrically connecting to the negative pole of the battery. The front probe is installed on a first movable device to adjust the position of the front probe, and the tail probe is installed on a second movable device to adjust the position of the tail probe. The first movable device, the support plate and the second movable device are sequentially arranged on the bottom plate.

8. The battery test fixture as claimed in claim 7, characterized in that: The first moving device includes a U-shaped slider, a push rod and a quick handle. The U-shaped slider includes a first vertical plate, a second vertical plate and a bottom slide connecting the first vertical plate and the second vertical plate. A front probe is installed on the first vertical plate. The second vertical plate is connected to one end of the push rod. A guide groove is provided on the top of the guide bar along its length direction. The bottom slide can move along the guide groove. The push rod is arranged along the length direction of the guide bar and the other end of the push rod is connected to the quick handle to push the U-shaped slider to move along the guide groove to the detection position.

9. The battery test fixture as claimed in claim 8, characterized in that: The first moving device is arranged on the front side of the support plate, and the second moving device is arranged on the rear side of the support plate. The second moving device includes a probe tail plate. The bottom of the probe tail plate is provided with an inwardly recessed mating opening so that the probe tail plate is straddled on the guide bar. One side of the probe tail plate is provided with a third plug-in portion that is matingly mating with the first mating portion, and the other side of the probe tail plate is provided with a fourth plug-in portion that is matingly mating with the second mating portion. The third plug-in portion is plug-connected to the first mating portion, and the fourth plug-in portion is plug-connected to the second mating portion. The tail probe is arranged on the probe tail plate.

10. The battery test fixture as claimed in claim 1, characterized in that: The first matching portion and the second matching portion are both protrusions, the width of the first matching portion in the length direction of the first fixing strip is greater than or equal to 3 mm and less than or equal to 8 mm, the distance between two adjacent first matching portions is greater than or equal to 1 mm and less than or equal to 2 mm, and the protruding height of the first matching portion is greater than or equal to 2 mm and less than or equal to 10 mm; The width of the second matching portion in the length direction of the second fixing strip is greater than or equal to 3 mm and less than or equal to 8 mm, the distance between two adjacent second matching portions is greater than or equal to 1 mm and less than or equal to 2 mm, and the protruding height of the second matching portion is greater than or equal to 2 mm and less than or equal to 10 mm.

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