CN215008385U

CN215008385U - High-strength lithium battery cathode metal cap

Info

Publication number: CN215008385U
Application number: CN202121577996.4U
Authority: CN
Inventors: 王波; 程蕾
Original assignee: Jiangxi Zeyang Electronics Co ltd
Current assignee: Jiangxi Zeyang Electronics Co ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2021-12-03
Anticipated expiration: 2031-07-12

Abstract

The utility model relates to a high strength lithium cell negative pole metal block, including battery case and block, the last recess that is provided with of battery case, the recess inboard is provided with the installation slot, just the buckle that matches with the installation slot is installed to the block bottom, the block top is provided with the apron, just be provided with the insulating lantern ring between apron and the block, insulating lantern ring downside is fixed with the elastic conducting strip, be provided with elastic connection spare between elastic conducting strip and the apron, the elastic connection spare outside is provided with electrically conductive connection piece, simple structure, and reasonable in design can guarantee the reliability of electricity connection to guaranteeing the stability between block and the battery simultaneously.

Description

High-strength lithium battery cathode metal cap

Technical Field

The utility model relates to a high strength lithium cell negative pole metal block belongs to lithium cell technical field.

Background

Lithium batteries are a type of batteries using a non-aqueous electrolyte solution, using lithium metal or lithium alloy as a positive/negative electrode material, and in 1912 lithium metal batteries were first proposed and studied by Gilbert n.lewis. In the 70 s of the 20 th century, m.s.whittingham proposed and started to research lithium ion batteries, because the chemical properties of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high, and with the development of scientific technology, lithium batteries have become mainstream, but the existing lithium batteries can cause unstable installation and use due to vibration and other reasons when in use, so that poor contact is caused, and use is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem who solves overcomes current defect, a high strength lithium cell negative pole metal block is provided, through setting up installation slot and buckle, can conveniently install and fix the block, can increase stability through the extrusion sealing circle simultaneously, guarantee the stable connection between block and the battery case, also play sealed effect, through setting up the insulating lantern ring, can play insulating effect to battery negative pole and battery case, the while is convenient to install the negative pole block, through setting up elastic connection spare, can guarantee the stable connection between apron and the battery negative pole, reliability is improved, can effectively solve the problem in the background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a high strength lithium cell negative pole metal block, includes battery case and block, the last recess that is provided with of battery case, the recess inboard is provided with installation slot, just the buckle that matches with installation slot is installed to the block bottom, the block top is provided with the apron, just be provided with the insulating lantern ring between apron and the block, insulating lantern ring downside is fixed with elastic conducting strip, be provided with elastic connection spare between elastic conducting strip and the apron, the elastic connection spare outside is provided with conductive connection piece.

Furthermore, the bottom of the inner cavity of the groove is provided with an extrusion rubber ring, and the clamping buckle is extruded upwards.

Further, the insulating lantern ring bilateral symmetry is provided with the embedded groove, just block and apron card in the embedded groove.

Furthermore, protruding grooves are formed in the cover plate and the elastic conducting plate, and the protruding grooves in the cover plate and the elastic conducting plate face the top and the bottom respectively.

Further, the elastic connecting piece comprises arc-shaped conductive plates, the arc-shaped conductive plates are connected to two ends of the conductive connecting sheet respectively, and a supporting spring is arranged between the arc-shaped conductive plates.

Furthermore, the conductive connecting sheet is of a strip structure, and two ends of the conductive connecting sheet are fixedly connected with the arc-shaped conductive plate through welding.

The utility model discloses beneficial effect:

1. the mounting clamping groove and the buckle are arranged, so that the cap can be conveniently mounted and fixed, meanwhile, the stability can be improved by extruding the sealing ring, the stable connection between the cap and the battery shell is ensured, and the sealing effect is also achieved;

2. the insulating lantern ring is arranged, so that the battery cathode and the battery shell can be insulated, and meanwhile, the cathode cap can be conveniently installed;

3. through setting up elastic connection spare, can guarantee the stable connection between apron and the battery negative pole, improve the reliability.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is the utility model relates to a high strength lithium cell negative pole metal block structure sketch map.

Fig. 2 is the utility model relates to a high strength lithium cell negative pole metal block cross-sectional view.

Fig. 3 is a sectional view of the high-strength lithium battery cathode metal cap groove.

Fig. 4 is the structure diagram of the elastic connecting piece of the negative electrode metal cap of the high-strength lithium battery.

Reference numbers in the figures: 1. a battery case; 2. capping; 3. a groove; 4. installing a clamping groove; 5. buckling; 6. a cover plate; 7. an insulating collar; 8. an elastic conductive sheet; 9. an elastic connecting member; 10. a conductive connecting sheet; 11. extruding the rubber ring; 12. a groove is embedded; 13. a raised groove; 14. an arc-shaped conductive plate; 15. supporting the spring.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

As shown in fig. 1-4, a high-strength lithium battery cathode metal cap comprises a battery case 1 and a cap 2, a groove 3 is arranged on the battery shell 1, an installation clamping groove 4 is arranged on the inner side of the groove 3, the bottom end of the cap 2 is provided with a buckle 5 matched with the mounting clamping groove 4, the cap 2 can be conveniently mounted and fixed, the top of the cap 2 is provided with a cover plate 6, and an insulating lantern ring 7 is arranged between the cover plate 6 and the cap 2, which can insulate the battery cathode and the battery shell 1, meanwhile, the cathode cap 2 is convenient to mount, an elastic conducting strip 8 is fixed on the lower side of the insulating lantern ring 7, an elastic connecting piece 9 is arranged between the elastic conducting strip 8 and the cover plate 6, stable connection between the cover plate 6 and the negative electrode of the battery can be guaranteed, reliability is improved, and an electric conducting connecting piece 10 is arranged on the outer side of the elastic connecting piece 9.

As shown in fig. 2, the bottom of the inner cavity of the groove 3 is provided with an extrusion rubber ring 11, and the buckle 5 is extruded upwards, so that the stability can be increased, the stable connection between the cap 2 and the battery shell 1 is ensured, and the sealing effect is also achieved.

As shown in fig. 3, the bilateral symmetry of the insulating lantern ring 7 is provided with embedded grooves 12, just the block 2 and the apron 6 are blocked in the embedded grooves 12, all be provided with protruding groove 13 on apron 6 and the elastic conducting strip 8, just protruding groove 13 on apron 6 and the elastic conducting strip 8 is respectively towards top and bottom, can guarantee to connect the contact stability of installation.

As shown in fig. 4, the elastic connecting piece 9 includes arc-shaped conductive plates 14, and the arc-shaped conductive plates 14 are respectively connected at two ends of the conductive connecting plate 10, a supporting spring 15 is arranged between the arc-shaped conductive plates 14, which plays a role of elastic support, and can ensure the stability of contact when in use contact, thereby avoiding the unreliable condition of contact connection, the conductive connecting plate 10 is of a bar-shaped structure, and the two ends of the conductive connecting plate 10 are fixedly connected with the arc-shaped conductive plates 14 by welding.

The utility model discloses the theory of operation: this structure is fixed block 2 through buckle 5, guarantees the stability of installation simultaneously, is connected between block 2 and the battery through elastic connection spare 9, can extrude elastic connection spare 9 when using simultaneously, replaces traditional connected mode, guarantees the reliability of connecting.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. The utility model provides a high strength lithium cell negative pole metal block, includes battery case (1) and block (2), its characterized in that: be provided with recess (3) on battery case (1), recess (3) inboard is provided with installation slot (4), just buckle (5) of matcing with installation slot (4) are installed to block (2) bottom, block (2) top is provided with apron (6), just be provided with insulating lantern ring (7) between apron (6) and block (2), insulating lantern ring (7) downside is fixed with elasticity conducting strip (8), be provided with elastic connection spare (9) between elasticity conducting strip (8) and apron (6), elastic connection spare (9) outside is provided with electrically conductive connection piece (10).

2. The high strength lithium battery negative electrode metal cap as claimed in claim 1, wherein: the bottom of the inner cavity of the groove (3) is provided with an extrusion rubber ring (11) which extrudes the buckle (5) upwards.

3. The high strength lithium battery negative electrode metal cap as claimed in claim 1, wherein: the insulating lantern ring (7) bilateral symmetry is provided with embedded groove (12), just block in embedded groove (12) with apron (6) block in block cap (2).

4. The high strength lithium battery negative electrode metal cap as claimed in claim 1, wherein: protruding grooves (13) are formed in the cover plate (6) and the elastic conducting strip (8), and the protruding grooves (13) in the cover plate (6) and the elastic conducting strip (8) face the top and the bottom respectively.

5. The high strength lithium battery negative electrode metal cap as claimed in claim 1, wherein: the elastic connecting piece (9) comprises arc-shaped conductive plates (14), the arc-shaped conductive plates (14) are respectively connected to two ends of the conductive connecting sheet (10), and supporting springs (15) are arranged between the arc-shaped conductive plates (14).

6. The high-strength lithium battery negative electrode metal cap as claimed in claim 5, wherein: the conductive connecting sheet (10) is of a strip structure, and two ends of the conductive connecting sheet (10) are fixedly connected with the arc conductive plate (14) through welding.