CN218546808U

CN218546808U - General type lithium cell test fixture

Info

Publication number: CN218546808U
Application number: CN202222605089.7U
Authority: CN
Inventors: 杨志勇
Original assignee: Huizhou Jiachuangming Technology Co ltd
Current assignee: Huizhou Jiachuangming Technology Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-02-28
Anticipated expiration: 2032-09-30

Abstract

The utility model discloses a belong to lithium battery test technical field, specifically be a general type lithium battery test fixture, which comprises a base, base both sides intermediate junction has fixed block A, fixed block A top intermediate junction has first locking bolt, first locking bolt front end is connected with fixed block B, the lower plate has been placed at the base top, the punch holder has been placed to the lower plate top, the punch holder both sides are connected with fixed block B, base top both sides symmetric connection has two second locking bolt respectively, the locking bolt front end is connected with the fixed plate, thereby tightening up through second locking bolt and latch segment to lower plate, punch holder and fixed plate and fixing cylindrical lithium cell and the square lithium cell of inside, through punch holder and fixed plate, fixed block A, first locking bolt and first locking bolt also can carry out the centre gripping respectively alone to square lithium cell and cylindrical lithium cell fixedly.

Description

General type lithium cell test fixture

Technical Field

The utility model relates to a lithium cell test technical field specifically is a general type lithium cell test fixture.

Background

The lithium battery is a green new energy battery and has the advantages of higher discharge platform, high energy density, longer service life, no memory effect and the like. The lithium battery is widely applied to important industries such as electric vehicles, unmanned aerial vehicles and mobile devices. In order to ensure the production quality, various tests are usually performed on the lithium battery, such as voltage, internal resistance, capacity, internal pressure, self-discharge rate and the like.

Can not directly test the lithium cell when testing the lithium cell, need adopt anchor clamps to carry out the centre gripping to the lithium cell and test under stable environment, both can avoid the battery body to expose and receive the scratch outside like this, protect soft packet of lithium cell skin, can also make the test more stable safety and accurate, but the device that has now carries out the centre gripping to a lithium cell when carrying out the centre gripping test to the lithium cell mostly, or square or cylindrical, can not contrast when carrying out test under the equal environment to the battery of two kinds of shapes, the commonality is not strong, consequently need design to improve a general type lithium cell test fixture to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

In view of the problem that exists among the current general type lithium cell test fixture, provided the utility model discloses.

Therefore, the utility model aims at providing a general type lithium cell test fixture, through the lower plate, punch holder and fixed plate can carry out the centre gripping to cylindrical lithium cell and square lithium cell respectively, to the lower plate through second locking bolt and latch segment, thereby punch holder and fixed plate tighten up and fix inside cylindrical lithium cell and square lithium cell, through punch holder and fixed plate, fixed block A, first locking bolt and first locking bolt also can carry out the centre gripping respectively to square lithium cell and cylindrical lithium cell alone and fix, can carry out the test after the centre gripping to the lithium cell that touches a shape simultaneously or alone through above-mentioned device, it can only carry out the centre gripping test to the lithium cell of a shape and can not compare to the performance after the test under the equivalent environment to have solved current device, the commonality of the device has been improved.

For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:

the utility model provides a general type lithium cell test fixture, its includes the base, base both sides intermediate junction has fixed block A, fixed block A top intermediate junction has first locking bolt, first locking bolt front end is connected with fixed block B, the lower plate has been placed at the base top, the punch holder has been placed to the lower plate top, the punch holder both sides are connected with fixed block B, base top both sides symmetric connection has two second locking bolt respectively, the locking bolt front end is connected with the fixed plate.

As a general type lithium cell test fixture's an preferred scheme, wherein: and the top of the first locking bolt is connected with a nut.

As a general type lithium cell test fixture's an preferred scheme, wherein: a plurality of arc grooves with different specifications are symmetrically formed in the bottom of the upper clamping plate at the top of the lower clamping plate.

As a general type lithium cell test fixture's an preferred scheme, wherein: the left side and the right side of the top of the upper clamping plate are connected with limiting blocks.

As a general type lithium cell test fixture's an optimal selection scheme, wherein: a square lithium battery is arranged between the upper clamping plate and the fixing plate.

As a general type lithium cell test fixture's an preferred scheme, wherein: locking blocks are connected between every two tops of the front end fixing plates of the second locking bolts, and locking nuts are connected above the front end fixing plates of the second locking bolts.

As a general type lithium cell test fixture's an optimal selection scheme, wherein: the left side and the right side of the base, the lower clamping plate, the upper clamping plate, the limiting block and the fixing plate are symmetrically provided with through holes matched with the second locking bolts respectively, and the diameter of each through hole is slightly larger than that of each second locking bolt.

As a general type lithium cell test fixture's an preferred scheme, wherein: and a through hole matched with the first locking bolt is formed in the middle of the fixing block B, and the diameter of the through hole is slightly larger than that of the first locking bolt.

Compared with the prior art, the beneficial effects of the utility model are that: through this general type lithium cell test fixture's setting, structural design is reasonable, through the lower plate, punch holder and fixed plate can carry out the centre gripping to cylindrical lithium cell and square lithium cell respectively, through second locking bolt and latch segment to the lower plate, thereby punch holder and fixed plate tighten up cylindrical lithium cell and square lithium cell to inside and fix, through punch holder and fixed plate, fixed block A, first locking bolt and first locking bolt also can carry out the centre gripping separately respectively to square lithium cell and cylindrical lithium cell fixed, can be simultaneously or carry out centre gripping after-test to the lithium cell of touching a shape alone through above-mentioned device, it can only carry out the centre gripping test to the lithium cell of a shape and can not compare to the performance after two kinds of different shapes batteries test under the same environment to have solved current device, the commonality of the device has been improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and detailed embodiments, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor. Wherein:

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic front view of the present invention;

fig. 3 is a schematic view of the three-dimensional structure of the present invention.

In the figure; 100 bases, 101 fixing blocks A, 102 first locking bolts, 103 fixing blocks B, 110 lower clamping plates, 111 upper clamping plates, 112 arc-shaped grooves, 113 limiting blocks, 120 second locking bolts, 121 locking nuts, 130 fixing plates and 131 locking blocks.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways than those specifically described herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the schematic drawings, and in order to describe the embodiments of the present invention in detail, the sectional views showing the device structure will not be enlarged partially according to the general scale for convenience of description, and the schematic drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The utility model provides a following technical scheme: the utility model provides a general type lithium cell test fixture, in the use, through the lower plate, punch holder and fixed plate can carry out the centre gripping to cylindrical lithium cell and square lithium cell respectively, to the lower plate through second locking bolt and latch segment, thereby punch holder and fixed plate tighten up and fix cylindrical lithium cell and square lithium cell inside, through punch holder and fixed plate, fixed block A, first locking bolt and first locking bolt also can carry out the centre gripping respectively to square lithium cell and cylindrical lithium cell alone and fix, can carry out centre gripping after-test to the lithium cell that touches a shape simultaneously or alone through above-mentioned device, solved that current device can only carry out the centre gripping test to the lithium cell of a shape and can not compare to the performance after the test under the same environment of two kinds of different shapes batteries, the commonality of the device has been improved.

Referring to fig. 1 to 3, a general lithium battery testing fixture according to the present embodiment includes a base 100;

the fixing blocks A101 are fixedly connected to two sides of the base 100, the first locking bolt 102 is fixedly connected to the middle of the top of the fixing block A101, the front end of the first locking bolt 102 is movably connected with a fixing block B103 and a nut, the lower clamp plate 110 is placed at the top of the base 100, the upper clamp plate 111 is placed at the top of the lower clamp plate 110, the fixing blocks B103 are fixedly connected to two sides of the upper clamp plate 111, the fixing block B103 is tightened by the nut to be vertically downwards close to the fixing block A101 along the first locking bolt 102 to drive the upper clamp plate 111 to be close to the lower clamp plate 110, so that cylindrical lithium batteries in clamping grooves in the upper clamp plate 111 and the lower clamp plate 110 are clamped and fixed, a plurality of arc grooves 112 in different specifications are symmetrically formed in the bottom of the upper clamp plate 111 and the top of the lower clamp plate 110, the cylindrical lithium batteries are protected to a certain extent while being clamped and fixed by the cylindrical lithium batteries in different specifications, and the limiting blocks 113 are fixedly connected to two sides of the top of the upper clamp plate 111, a square lithium battery is placed in the middle of the top of the upper clamping plate 111, the square lithium battery is placed in a limiting manner through the limiting block 113 and slides from the side edge in the clamping process, a certain protection effect is provided for the side edge, the fixing plate 130 covers the square lithium battery, the square lithium battery between the fixing plate 130 and the upper clamping plate 111 is clamped through the matching of the fixing plate 130 and the upper clamping plate 111, two second locking bolts 120 are symmetrically and fixedly connected to the left side and the right side of the base 100 respectively, locking blocks 131 are movably connected between every two tops of the front end fixing plates 130 of the second locking bolts 120, locking nuts 121 are screwed on the tops of the locking blocks 131 at the front ends of the four second locking bolts 120, through holes matched with the second locking bolts 120 are symmetrically formed in the two sides of the lower clamping plate 110, the upper clamping plate 111, the limiting block 113 and the fixing plate 130, the locking nuts 121 tighten the locking blocks 131 to drive the fixing plate 130 to vertically and downwards approach the upper clamping plate 111 along the second locking bolts 120, thereby fixing the prismatic lithium battery between the upper clamping plate 111 and the fixing plate 130.

With reference to fig. 1-3, the present universal lithium battery testing fixture in real time mode, the specific working principle is as follows, when the device is used, the device is firstly placed into the arc-shaped groove 112 between the lower clamp plate 110 and the upper clamp plate 111 according to the specification of the circular lithium battery, the nut tightens the fixing block B103 along the first locking bolt 102 to drive the upper clamp plate 111 to downwardly approach the lower clamp plate 110 so as to clamp and fix the cylindrical lithium battery, the square lithium battery is placed between the fixing plate 130 and the upper clamp plate 111, the locking block 131 is tightened by using the locking nut 121 to drive the fixing plate 130 at the bottom of the locking block 131 to downwardly move along the second locking bolt 120 so as to approach the top of the upper clamp plate 111, thereby clamping and fixing the square lithium battery between the fixing plate 130 and the upper clamp plate 111, the device can simultaneously or individually clamp and test the lithium battery in one shape, the problem that the existing device can only clamp and can not clamp the lithium battery in one shape and can not compare the performance of the two batteries tested in the same environment, and the universality of the device is improved.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of these combinations not exhaustive in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a general type lithium cell test fixture which characterized in that: including base (100), base (100) both sides intermediate junction has fixed block A (101), fixed block A (101) top intermediate junction has first locking bolt (102), first locking bolt (102) front end is connected with fixed block B (103), lower plate (110) have been placed at base (100) top, punch holder (111) have been placed to lower plate (110) top, punch holder (111) both sides are connected with fixed block B (103), base (100) top both sides symmetric connection has two second locking bolt (120) respectively, the locking bolt front end is connected with fixed plate (130).

2. The universal lithium battery test fixture of claim 1, wherein: the top of the first locking bolt (102) is connected with a nut.

3. The universal lithium battery test fixture of claim 1, wherein: the bottom of the upper clamping plate (111) at the top of the lower clamping plate (110) is symmetrically provided with a plurality of arc-shaped grooves (112) with different specifications.

4. The universal lithium battery test fixture of claim 1, wherein: the left side and the right side of the top of the upper splint (111) are connected with limit blocks (113).

5. The universal lithium battery test fixture of claim 1, wherein: a square lithium battery is arranged between the upper clamping plate (111) and the fixing plate (130).

6. The universal lithium battery test fixture of claim 1, wherein: locking blocks (131) are connected between every two tops of the front end fixing plates (130) of the second locking bolts (120), and locking nuts (121) are connected above the front end fixing plates (130) of the second locking bolts (120).

7. The universal lithium battery test fixture of claim 1, wherein: through holes matched with the second locking bolts (120) are symmetrically formed in the left side and the right side of the base (100), the lower clamping plate (110), the upper clamping plate (111), the limiting block (113) and the fixing plate (130) respectively, and the diameter of each through hole is slightly larger than that of each second locking bolt (120).

8. The universal lithium battery test fixture of claim 1, wherein: and a through hole matched with the first locking bolt (102) is formed in the middle of the fixing block B (103), and the diameter of the through hole is slightly larger than that of the first locking bolt (102).