Elastic connector
By designing a pressing component for the flexible connector, the effective clamping of the tabs of the pouch battery was achieved, solving the problem of poor contact during testing of batteries of different specifications, and achieving a high applicability and low cost testing effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-03-27
AI Technical Summary
Existing battery testing fixtures have difficulty effectively contacting the positive and negative tabs of pouch batteries of different specifications and types, resulting in increased contact resistance and affecting the accuracy of test results.
A flexible connector was designed. By pressing the upper pressure plate downward through the pressing block on the pressing component, the upper pressure plate and the lower pressure plate are pressed together to clamp the tabs of the soft pack battery for testing. It is suitable for rapid clamping of 600A high current. The structure is simple and the cost is low.
It achieves effective contact with pouch batteries of different sizes and models, with small testing errors, high applicability, and is suitable for rapid clamping of 600A high current. It also has a simple structure and low cost.
Smart Images
Figure CN224052247U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a test fixture technical field especially relates to a kind of elastic connectors. BACKGROUND
[0002] With the rapid development of electric vehicles, the power battery industry has been fully tapped and grown rapidly. All battery monomers before leaving factory are subjected to strict testing, aging, screening and other process flows, and battery test fixture is an indispensable component in the above process.
[0003] When designing and producing batteries, it is often necessary to detect various parameters of the produced batteries through battery testing equipment to understand the electrical performance of the batteries. In the electrical performance testing process of the batteries, the contact between the positive and negative tabs of the battery to be tested and the test points of the testing equipment is very important. If the contact is not good, it may cause the contact resistance to increase, affecting the accuracy of the test results, thereby placing high demands on the connection of the battery to be tested and the battery testing equipment. During testing, the battery to be tested is mainly connected to the battery testing equipment through a fixture, so that the information of the battery to be tested is accurately transmitted to the battery testing equipment.
[0004] In the existing battery manufacturing, due to different needs, there are various types and specifications of batteries, and the sizes of different specifications and types of batteries are also different, and the distance between the positive and negative tabs of the batteries is greatly different, which leads to the need for different types of battery test fixtures when testing different types of batteries.
[0005] However, the current test fixture for batteries mostly tests by contacting the circular spring test probe with the positive and negative contact surfaces of the battery, which is difficult to ensure full contact with the positive and negative poles of the soft package battery. SUMMARY
[0006] The utility model discloses a novel elastic connector which solves the above technical problems, and the upper pressing plate is pressed downward by the pressing block on the pressing assembly, when the upper pressing plate moves downward on the pressing guide rod, the tab position on the upper pressing plate and the tab position on the lower pressing plate are pressed and contacted with each other, and the tabs of the soft package battery are clamped for testing. The elastic connector is suitable for testing the tabs of the soft package battery with a large current of 600A, has small volume and small testing error, and has simple structure, ingenious design and low manufacturing cost.
[0007] The utility model discloses a novel elastic connector which solves the above technical problems, and the upper pressing plate is pressed downward by the pressing block on the pressing assembly, when the upper pressing plate moves downward on the pressing guide rod, the tab position on the upper pressing plate and the tab position on the lower pressing plate are pressed and contacted with each other, and the tabs of the soft package battery are clamped for testing. The elastic connector is suitable for testing the tabs of the soft package battery with a large current of 600A, has small volume and small testing error, and has simple structure, ingenious design and low manufacturing cost.
[0008] The utility model relates to an elastic connector, including bottom plate, lower pressing plate, upper pressing plate, press assembly, be equipped with lower pressing plate installation groove on the bottom plate, the lower pressing plate is embedded in the lower pressing plate installation groove on the bottom plate, be equipped with a plurality of guide rod through -hole on the lower pressing plate, be equipped with upper pressing plate above the lower pressing plate, be equipped with a plurality of guide rod through -hole on the upper pressing plate, be equipped with press assembly above the upper pressing plate, the press assembly includes press bottom plate, press guide rod, press connecting rod, press block, the press bottom plate bottom is equipped with upper pressing plate installation groove, the upper pressing plate is embedded in the upper pressing plate installation groove of press bottom plate bottom, be equipped with guide rod through -hole on the press bottom plate, press guide rod one end passes through guide rod through -hole on the press bottom plate, guide rod through -hole on the upper pressing plate and guide rod through -hole on the lower pressing plate with bottom plate fixed connection, press guide rod other end is connected with press connecting rod, be equipped with press block on the press connecting rod.
[0009] As further, the lower pressing plate is equipped with the lug position, the upper pressing plate is equipped with the lug position, the upper pressing plate is equipped with the lug position and the lug position on the lower pressing plate is pressed and contacted each other.
[0010] As further, the lug position on the upper pressing plate and the lug position on the lower pressing plate are equipped with a plurality of bosses.
[0011] As further, the lug position on the upper pressing plate and the lug position on the lower pressing plate are zigzag or strip shape.
[0012] As further, the press block is L type.
[0013] The utility model has the advantages of:
[0014] (1) by the press block on press assembly downward pressure upper pressing plate, upper pressing plate moves down to press guide rod, so that the lug position on the upper pressing plate and the lug position on the lower pressing plate are pressed and contacted each other, and the lug of soft package battery is clamped to test, can satisfy the soft package battery test of multiple channels simultaneously, and is applicable to various different size, model soft package battery, and the universality is high;
[0015] (2) the elastic connector is applicable to the quick clamping of 600A large current, has small, test error is small, and the structure is simple, and the design is ingenious, and the manufacturing cost is low;
[0016] (3) the press block and press bottom plate combination control the lower pressing mode of upper pressing plate, can realize each time press contact good and press intensity same. DRAWINGS
[0017] Figure 1 It is the structure schematic diagram of the utility model elastic connector;
[0018] Figure 2The utility model discloses elastic connector explosion structure schematic view.
[0019] Figure 3 The utility model discloses press assembly structure schematic view.
[0020] Figure 4 The utility model discloses press assembly explosion structure schematic view.
[0021] Reference signs: 1, bottom plate, 11, lower pressing plate installation groove, 2, lower pressing plate, 21, guide rod through -hole, 22, tab position, 220, boss, 3, upper pressing plate, 4, press assembly, 41, press bottom plate, 410, upper pressing plate installation groove, 42, press guide rod, 43, press connecting rod, 44, press block. DETAILED DESCRIPTION
[0022] The application will be further described below in conjunction with the drawings and specific embodiments:
[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application; the description and the drawings are to be regarded as illustrative in nature and are not intended to limit the application. The terms "comprising," "having," "including," and "containing" are to be construed as open-ended terms (i.e., meaning "including, but not limited to,") unless otherwise noted. The terms "first," "second," and the like, as used herein do not have any specific meaning and are used only to distinguish one element from another.
[0024] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment. The appearances of the phrase "in an embodiment" in various places in the specification are not necessarily referring to the same embodiment nor are separate or alternative embodiments mutually exclusive of other embodiments. It is expressly understood that the embodiments described herein are merely examples from a multitude of embodiments that are in substantial compliance with the principles of the application.
[0025] Referring to the drawings as Figures 1-4As shown, a kind of elastic connector, including bottom plate 1, lower pressing plate 2, upper pressing plate 3, press assembly 4, the bottom plate 1 is equipped with lower pressing plate installation groove 11, the lower pressing plate 2 is embedded in the lower pressing plate installation groove 11 on the bottom plate 1, the lower pressing plate 2 is equipped with several guide rod through holes 21, the lower pressing plate 2 is equipped with upper pressing plate 3, the upper pressing plate 3 is equipped with several guide rod through holes 21, the upper pressing plate 3 is equipped with press assembly 4 above, the press assembly 4 includes press bottom plate 41, press guide rod 42, press connecting rod 43, press block 44, the press bottom plate 41 bottom is equipped with upper pressing plate installation groove 410, the upper pressing plate 3 is embedded in the upper pressing plate installation groove 410 of the press bottom plate 41 bottom, the press bottom plate 41 is equipped with guide rod through hole 21, the press guide rod 42 one end passes through the guide rod through hole 21 on press bottom plate 41, the guide rod through hole 21 on upper pressing plate 3 and the guide rod through hole 21 on lower pressing plate 2 and is fixedly connected with the bottom plate 1, the press guide rod 42 other end is connected with the press connecting rod 43, the press connecting rod 43 is equipped with press block 44.
[0026] As preferably, the lower pressing plate 2 is equipped with tab site 22, the upper pressing plate 3 is equipped with tab site 22, the upper pressing plate 3 is equipped with tab site 22 and the lower pressing plate 2 is equipped with tab site 22 and is pressed and contacted with each other.
[0027] As preferably, the tab 22 site on the upper pressing plate 3 and the tab site 22 on the lower pressing plate 2 are equipped with several bosses 220, and the bosses 220 are used to increase the contact pressure.
[0028] As preferably, the tab site 22 on the upper pressing plate 3 and the tab site 22 on the lower pressing plate 2 are in the shape of sawtooth or strip.
[0029] As preferably, the press block 44 is in the shape of L type.
[0030] Working principle: when press block is pressed upwards, press block drives upper pressing plate to move upwards on press guide rod, and the tab site on the upper pressing plate is loosened and not contacted with the tab site on the lower pressing plate, so that soft pack battery can be taken out; when press block is pressed downwards, press block drives upper pressing plate to move downwards on press guide rod, and the tab site on the upper pressing plate is pressed and contacted with the tab site on the lower pressing plate, and the tab of soft pack battery is clamped for testing.
[0031] According to the disclosure and teaching of the above description, the skilled in the art of the utility model can also make proper change and modification to the above embodiment. Therefore, the utility model is not limited to the specific embodiment disclosed and described above, and some modification and change of the utility model should also fall into the protection scope of the claims of the utility model. In addition, although some specific terms are used in the specification, these terms are only for convenience of description and do not constitute any limitation on the utility model.
Claims
1. An elastic connector, characterized by: The utility model relates to a pressing device for battery tab, including bottom plate, lower pressing plate, upper pressing plate, press assembly, be equipped with lower pressing plate installation slot on the bottom plate, the lower pressing plate is embedded in the lower pressing plate installation slot on the bottom plate, be equipped with a plurality of guide rod through -hole on the lower pressing plate, be equipped with upper pressing plate above the lower pressing plate, be equipped with a plurality of guide rod through -hole on the upper pressing plate, be equipped with press assembly above the upper pressing plate, the press assembly includes press bottom plate, press guide rod, press connecting rod, press block, the press bottom plate bottom is equipped with upper pressing plate installation slot, the upper pressing plate is embedded in the upper pressing plate installation slot of press bottom plate bottom, be equipped with guide rod through -hole on the press bottom plate, press guide rod one end passes through the guide rod through -hole on the press bottom plate, the guide rod through -hole on the upper pressing plate and the guide rod through -hole on the lower pressing plate with bottom plate fixed connection, press guide rod other end is connected with press connecting rod, be equipped with press block on the press connecting rod, be equipped with tab position on the lower pressing plate, be equipped with tab position on the upper pressing plate, be equipped with tab position on the upper pressing plate and the tab position on the lower pressing plate is mutually pressed and contacts and contacts, the press block shape is L type.
2. The elastic connector of claim 1, wherein: The upper pressing plate and the lower pressing plate are provided with a plurality of bosses.
3. The elastomeric connector of claim 2, wherein: The upper pressing plate and the lower pressing plate are provided with a plurality of bosses. The upper pressing plate and the lower pressing plate are provided with a plurality of bosses.