Clamp for lithium battery detection

The lithium battery clamp, designed with multi-point adsorption and rotating movable components, solves the problems of excessive clamping and poor heat dissipation, achieving stable fixation, good heat dissipation, and convenient multi-cell series connection testing.

CN223955632UActive Publication Date: 2026-02-27安徽国轩新能源汽车科技有限公司
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Patent Information

Application Number
CN202520050332.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2026-02-27
Estimated Expiration
2035-01-09

AI Technical Summary

Technical Problem

Existing lithium battery testing fixtures tend to over-compress the battery during clamping, affecting testing accuracy, causing poor heat dissipation, and making it inconvenient to clamp multiple batteries.

Method used

It adopts a multi-point adsorption design, using the suction nozzle and air extraction component to form a negative pressure to fix the lithium battery, and combines a rotating moving component and magnetic strip to realize multiple batteries in series. It is equipped with elastic clamps and rubber pads to reduce compression and improve heat dissipation.

Benefits of technology

It effectively avoids excessive compression, ensures detection accuracy and safety, improves heat dissipation efficiency, and enables convenient series connection of multiple batteries and rapid operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of lithium battery detection, and discloses a clamp for lithium battery detection, which comprises a plurality of bottom plates, a supporting sleeve plate is fixedly mounted at the top of each bottom plate, a groove is formed in the top of each bottom plate, a guide pipe with two closed ends is fixedly mounted in each groove, and a plurality of suction nozzles are arranged on the inner wall of the bottom of each supporting sleeve plate. The suction nozzle is communicated with the interior of the guide pipe; according to the utility model, the plurality of suction nozzles are arranged in the supporting sleeve plate, and the top ends of the suction nozzles are provided with the rubber cushion blocks, so that the excessive extrusion force on the lithium battery is effectively reduced, and the influence on the detection precision and the battery structure safety is avoided; and the suction nozzle and the elastic clamping block are designed into a small-area supporting structure, so that the lithium battery can be effectively cooled during detection, a normal temperature environment can be maintained, and the reliability of detection data is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery detection technical field especially relates to a clamp for lithium battery detection. BACKGROUND

[0002] When carrying out the routine detection to lithium battery, usually need to carry out the clamping stabilization to lithium battery and then carry out its detection to prevent the lithium battery from placing unstable and influencing normal detection, and the existing clamp usually adopts the spring connection's clamping plate to carry out the elastic extrusion to clamping when clamping the lithium battery, although can keep clamping to the lithium battery, but its easy to cause the over extrusion to the lithium battery and influence the detection of lithium battery, at the same time, the clamping surface of lithium battery is larger, when detecting lithium battery, the normal heat dissipation of lithium battery is not convenient, secondly, sometimes need to detect multiple lithium batteries in series when detecting lithium battery, and the existing clamp is not convenient when clamping multiple lithium batteries. SUMMARY

[0003] The utility model provides a clamp for lithium battery detection to solve the shortcoming in prior art.

[0004] In order to achieve the above object, the utility model adopts the following technical scheme:

[0005] A kind of clamp for lithium battery detection, including several bottom plates, the top of the bottom plate is fixedly installed with support sleeve plate, the top of the bottom plate is provided with recess, recess is fixedly installed with the pipe closed at both ends, the bottom inner wall of the support sleeve plate is provided with several suction nozzles, the suction nozzle is communicated with the inside of pipe;The outer wall of the pipe is provided with hose, the end of hose away from the pipe is connected with suction assembly, for suction to pipe to make suction nozzle adsorb lithium battery;Adjacent two bottom plates are provided with movable assembly, for connecting adjacent two bottom plates, so that adjacent two bottom plates can be rotatably active.

[0006] As a further scheme of the utility model: the top of suction nozzle is provided with rubber pad, and the support sleeve plate and rubber pad are arc structures.

[0007] As a further scheme of the utility model: the suction assembly includes container communicated with hose, the top of the container is screw-threaded with screw rod, the end of screw rod penetrating into container is fixedly connected with push block, the outer wall of push block is attached to the inner wall of container, the outer wall of push block is covered with rubber layer, and the end of screw rod extending to the outside of container is fixedly connected with handle.

[0008] As a further scheme of the utility model: the movable assembly includes the clamping groove opened at one end of the bottom plate, the other end of the bottom plate is fixedly connected with the clamping block, the outer diameter of the clamping block is matched with the inner diameter of the clamping groove, the top of the bottom plate is provided with the pin shaft, and the bottom end of the pin shaft penetrates the clamping groove and the clamping block that are clamped with each other.

[0009] As a further scheme of the utility model: the both ends of the bottom plate are provided with the magnetic stripe, and the positions of the two magnetic stripes correspond to each other.

[0010] As a further scheme of the utility model: the bottom of the bottom plate is provided with the guide groove, and the hose is clamped in the guide groove.

[0011] As a further scheme of the utility model: the top of the support sleeve plate is provided with a plurality of elastic clamping blocks.

[0012] The utility model discloses the beneficial effects are:

[0013] 1, multi-point adsorption, avoid excessive extrusion: set up a plurality of suction nozzles in the support sleeve plate, and be equipped with rubber pad at the top of suction nozzle, form negative pressure through the suction assembly control suction nozzle, thereby adsorbing and fixing lithium battery, this kind of mode effectively reduces the excessive extrusion force to lithium battery, avoids the influence detection accuracy and battery structure safety.

[0014] 2, good heat dissipation: the suction nozzle and the elastic clamping block are designed as small area support structure, so that the lithium battery can effectively dissipate heat when detecting, help maintaining normal temperature environment, thereby improving the reliability of detection data.

[0015] 3, convenient multi-battery series operation: through the movable connection design of the clamping groove and the clamping block at both ends of the bottom plate, the adjacent bottom plate can rotate and adhere, and is automatically adsorbed and fixed through the magnetic stripe, which facilitates the rapid arrangement and connection of multiple bottom plates, thereby realizing the series fixation of multiple lithium batteries and improving the detection efficiency.

[0016] 4, easy-to-operate suction assembly: the suction assembly is designed as a container with screw rod and push block structure, and rotating the screw rod can control the up-down movement of the push block in the container, thereby forming negative pressure adsorption on the pipeline, which is simple to operate, stable in adsorption and convenient for quick loading and taking of lithium batteries. DRAWINGS

[0017] Figure 1 It is the whole structure schematic view of the utility model discloses a kind of lithium battery detection clamp;

[0018] Figure 2 It is the structure schematic view of the suction assembly in the utility model discloses a kind of lithium battery detection clamp;

[0019] Figure 3The utility model provides a kind of lithium battery detection fixture's bottom plate, the structure schematic diagram of pipe and clamping block, magnetic stripe.

[0020] Figure 4 The utility model provides a kind of lithium battery detection fixture's bottom plate, the structure schematic diagram of pipe and clamping block, magnetic stripe.

[0021] In the drawing: 1, bottom plate;2, support sleeve plate;3, elastic clamping block;4, suction nozzle;5, rubber pad;6, suction assembly;61, container;62, push block;63, screw;64, handle;7, hose;8, pipe;9, pin shaft;10, clamping groove;11, clamping block;12, guide slot;13, magnetic stripe;14, movable assembly. DETAILED DESCRIPTION

[0022] The technical solutions of the present patent will be further described in detail below in conjunction with specific embodiments.

[0023] The embodiments of the present patent will be described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are only used to explain the present patent, and cannot be understood as a limitation of the present patent.

[0024] REFERENCE Figures 1-4 A kind of lithium battery detection fixture, including several bottom plates 1, the top of the bottom plate 1 is fixedly installed with support sleeve plate 2, the top of the bottom plate 1 is equipped with recess, recess is fixedly installed with the pipe 8 of two ends closed, the bottom inner wall of the support sleeve plate 2 is provided with several suction nozzles 4, the suction nozzle 4 is connected with the inside of pipe 8;The outer wall of the pipe 8 is provided with hose 7, the end of hose 7 away from pipe 8 is connected with suction assembly 6, for suction to pipe 8 inside makes suction nozzle 4 adsorb lithium battery;Adjacent two bottom plates 1 are provided with movable assembly 14, for connecting adjacent two bottom plates 1.

[0025] The lithium battery to be detected is placed in support sleeve plate 2, so that its bottom is tightly attached to the opening of suction nozzle 4;Suction is carried out inside pipe 8 by suction assembly 6, so that suction nozzle 4 adsorbs and fixes lithium battery;When multiple lithium batteries need to be connected in series for testing, the adjacent bottom plates 1 are rotated to abut at the head and tail, so that the lithium batteries in support sleeve plate 2 are connected in series, and then the lithium batteries can be detected using detection equipment.

[0026] As a preferred embodiment of the utility model, the top end of the suction nozzle 4 is provided with a rubber pad 5, which can increase the sealing property during suction and effectively prevent air leakage; the support sleeve plate 2 and the rubber pad 5 are both arc-shaped structures, so that the suction nozzle 4 can be more closely attached to the outer wall of the lithium battery during suction, thereby improving the stability of suction and reducing the pressure on the battery shell, thus improving the accuracy and safety of detection.

[0027] As a preferred embodiment of the utility model, the air extraction assembly 6 comprises a container 61 connected with the hose 7, the top end of the container 61 is threadedly connected with a screw rod 63, one end of the screw rod 63 penetrating into the container 61 is fixedly connected with a push block 62, the outer wall of the push block 62 is attached to the inner wall of the container 61 to ensure the air tightness during air extraction, and the outer wall of the push block 62 is covered with a rubber layer, which not only enhances the sealing effect of the push block 62 moving inside the container 61, but also reduces friction, facilitating smooth operation; one end of the screw rod 63 extending outside the container 61 is fixedly connected with a handle 64, so that the push block 62 can be pushed or pulled up and down inside the container 61 by rotating the handle 64 during use, thereby controlling the amount of air extracted from the container 61 to make the connected suction nozzle 4 produce a negative pressure suction effect, and stably fix the lithium battery.

[0028] As a preferred embodiment of the utility model, the movable assembly 14 comprises a clamping groove 10 opened at one end of the bottom plate 1, the other end of the bottom plate 1 is fixedly connected with a clamping block 11, the outer diameter of the clamping block 11 is matched with the inner diameter of the clamping groove 10 to ensure the stability when the clamping block 11 is inserted into the clamping groove 10 of the adjacent bottom plate 1, the top of the bottom plate 1 is provided with a pin shaft 9, the bottom end of the pin shaft 9 penetrates through the clamping groove 10 and the clamping block 11 clamped with each other, and the pin shaft 9 is locked after the clamping groove 10 and the clamping block 11 are clamped; through the arrangement of the pin shaft 9, the two bottom plates 1 can realize rotary operation after being connected, allowing flexible adjustment of the angle between the bottom plates 1, so as to facilitate the series connection of multiple bottom plates 1 for multi-series detection of lithium batteries or the folding storage of unused bottom plates 1, thereby greatly improving the adaptability and operation convenience of the detection device.

[0029] As a preferred embodiment of the utility model, both ends of the bottom plate 1 are provided with magnetic strips 13, and the positions of the two magnetic strips 13 correspond to each other, so as to ensure that the adjacent bottom plates 1 can be stably magnetically attracted when rotated to abut each other; this design not only improves the overall stability of the connected multiple bottom plates 1 and prevents the bottom plates 1 from sliding or loosening during use, but also enables the lithium battery to maintain good position fixation during series detection; at the same time, the arrangement of the magnetic strips 13 enables the bottom plates 1 to closely abut each other when not in use, facilitating the storage and arrangement of the device and improving the convenience and flexibility of the detection equipment.

[0030] As a preferred embodiment of the utility model, the bottom of the bottom plate 1 is provided with a guide groove 12, and the hose 7 is clamped in the guide groove 12.

[0031] As a preferred embodiment of the utility model, the top end of the support sleeve plate 2 is provided with a plurality of elastic clamping blocks 3.

[0032] As a preferred embodiment of the utility model, the elastic clamping block 3 is made of flexible material, which can provide moderate extrusion support when clamping the lithium battery. Since the flexible material is used, the elastic clamping block 3 will deform under stress, thereby forming a gentle limiting and fixing effect on the lithium battery, avoiding excessive pressure or damage to the battery. The design of multiple elastic clamping blocks 3 not only increases the support stability of the lithium battery, but also ensures uniform stress in all directions during clamping, so that the lithium battery remains stable during detection, further improving the safety and applicability of the device.

[0033] As a preferred embodiment of the utility model, the elastic clamping block 3 is made of flexible rubber material.

[0034] The working principle of the utility model is as follows: first, place the lithium battery to be detected in the support sleeve plate 2, so that the battery is attached to the top elastic clamping block 3 on both sides. The elastic clamping block 3 is made of flexible rubber material and deforms under pressure, providing moderate counterforce to gently extrude and limit the lithium battery on both sides, achieving preliminary fixation. At the same time, the bottom outer wall of the lithium battery is tightly attached to the opening of the suction nozzle 4. The rotating screw 63 drives the push block 62 to move upwards, and the push block 62 moves in the container 61, which will suck the conduit 8, thereby forming negative pressure in the suction nozzle 4 and firmly adsorbing the lithium battery, achieving secondary limiting and stable fixation. When multiple lithium batteries need to be connected in series for testing, rotate the bottom plate 1 so that the adjacent bottom plates 1 are connected by the magnetic strips 13, thereby connecting the lithium batteries in the support sleeve plate 2 in series. Then use the detection equipment to detect the connected lithium batteries. After detection, rotate the screw 63 in the opposite direction to make the push block 62 move downwards, release the suction of the conduit 8, and the adsorption force between the suction nozzle 4 and the lithium battery disappears, thereby facilitating the removal of the lithium battery.

[0035] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this. Any skilled person in the technical field can make equivalent replacement or change according to the technical scheme and utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered within the protection scope of the utility model.

Claims

1. A jig for detecting a lithium battery, comprising a plurality of bottom plates (1), characterized in that, The top of the bottom plate (1) is fixedly provided with a supporting sleeve plate (2), the top of the bottom plate (1) is provided with a groove, the groove is fixedly provided with a pipe (8) with two closed ends, and the bottom inner wall of the supporting sleeve plate (2) is provided with a plurality of suction nozzles (4) connected with the inside of the pipe (8). The outer wall of the pipe (8) is provided with a hose (7), one end of the hose (7) away from the pipe (8) is connected with a suction assembly (6), and the suction assembly (6) is used for sucking air into the pipe (8) to make the suction nozzle (4) adsorb the lithium battery.

2. The clamp for detecting a lithium battery according to claim 1, wherein Adjacent two bottom plates (1) are provided with a movable assembly (14) for connecting adjacent two bottom plates (1).

3. The clamp for detecting a lithium battery according to claim 1, wherein The top end of the suction nozzle (4) is provided with a rubber pad (5), and the supporting sleeve plate (2) and the rubber pad (5) are both arc-shaped structures.

4. The clamp for detecting a lithium battery according to claim 1, wherein The suction assembly (6) comprises a container (61) connected with the hose (7), a screw rod (63) threadedly connected with the top end of the container (61), a push block (62) fixedly connected with one end of the screw rod (63) penetrating into the container (61), the outer wall of the push block (62) being matched with the inner wall of the container (61), a rubber layer covering the outer wall of the push block (62), and a handle (64) fixedly connected with one end of the screw rod (63) extending to the outside of the container (61).

5. The clamp for detecting a lithium battery according to claim 2, wherein The movable assembly (14) comprises a clamping groove (10) formed in one end of the bottom plate (1), the other end of the bottom plate (1) is fixedly connected with a clamping block (11), the outer diameter of the clamping block (11) is matched with the inner diameter of the clamping groove (10), the top of the bottom plate (1) is provided with a pin shaft (9), and the bottom end of the pin shaft (9) penetrates through the clamping groove (10) and the clamping block (11) clamped with each other.

6. The clamp for detecting a lithium battery according to claim 1, wherein Both ends of the bottom plate (1) are provided with magnetic strips (13), and the positions of the two magnetic strips (13) correspond to each other.

7. The clamp for detecting a lithium battery according to claim 1, wherein The bottom of the bottom plate (1) is provided with a guide groove (12), and the hose (7) is clamped in the guide groove (12).

8. The clamp for detecting a lithium battery according to any one of claims 1 to 7, wherein The top of the supporting sleeve plate (2) is provided with a plurality of groups of elastic clamping blocks (3).