CN215816303U

CN215816303U - Lithium battery insulating shell sealed by electrodeless lug

Info

Publication number: CN215816303U
Application number: CN202121996067.7U
Authority: CN
Inventors: 曹启飞; 于晓伟; 郑明康; 高钧
Original assignee: Nanjing Zhongbi New Energy Technology Co ltd
Current assignee: Nanjing Zhongbi New Energy Technology Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-02-11
Anticipated expiration: 2031-08-23

Abstract

The utility model relates to the technical field of lithium battery insulating shells, in particular to a lithium battery insulating shell sealed by an electrodeless lug, which comprises a battery cell, wherein the outer side end of the battery cell is wrapped with a conducting layer, the battery cell and the conducting layer are both fixedly arranged in the insulating shell, and a protection lantern ring which is telescopically arranged and is sleeved on the outer side of the conducting layer is arranged in an inner cavity of the end part of the insulating shell; the beneficial effects are that: the conical rod is extruded by arranging the extrusion spring in an inserting mode, so that the transverse extrusion of the insulating ring and the connecting terminal by the inner arc plate is realized, the full contact of the connecting position is ensured, and the stability of circuit connection is improved; through the mutual extrusion connection that sets up the protection lantern ring and insulating ring to the realization is protected the conducting layer, avoids hookup location to expose, utilizes the elasticity that resets of spring simultaneously, realizes convenient dismantlement and the installation that the battery is connected.

Description

Lithium battery insulating shell sealed by electrodeless lug

Technical Field

The utility model relates to the technical field of lithium battery insulating shells, in particular to a lithium battery insulating shell sealed by electrodeless lug plates.

Background

The common connection mode of the lithium battery is mutual extrusion connection of the pole lug pieces, the connection mode enables the connection position to be exposed, and meanwhile, the conductive quality is influenced by the thickness of the pole lug pieces.

In order to reduce the influence of the pole lug on the battery in the prior art, the mode that the conductive foil layers are attached to each other is generally adopted for conducting, so that the conductive quality is greatly enhanced, the repeated sleeving easily causes the abrasion of the foil layers, the contact failure is caused, meanwhile, the exposed pole of the conductive layer easily causes the damage of the battery, and further the leakage of raw materials in the battery is caused.

Therefore, the insulating shell of the lithium battery sealed by the electrodeless lug plates is provided, and the problem of connection quality of the battery connected by the electrodeless lug plates is solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lithium battery insulating shell sealed by electrodeless lugs to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a lithium battery insulation shell that electrodeless auricle is sealed, includes electric core, the outside end parcel of electric core has the one deck conducting layer, and the equal fixed mounting of electric core and conducting layer is in insulation shell, be provided with the protection lantern ring of cup jointing in the conducting layer outside of flexible installation in insulation shell's the tip inner chamber screw thread, the outer lane is installed to insulation shell's tip inner chamber, the inboard slip of outer lane is pegged graft and is had the inner arc board, the outside of conducting layer is pegged graft and is had the plate electrode, be provided with the connecting terminal with conducting layer laminating electric connection on the plate electrode, the outer wall of connecting terminal is provided with the insulating ring, the outer side laminating inner arc board of insulating ring, it has four group's taper rods that circumference array distributes to peg graft between the circular arc inner wall of inner arc board and outer lane.

Preferably, the end inner cavity of the insulating shell is a plug-in inner cavity, through holes corresponding to the taper rods one to one are formed in the inner wall of the plug-in inner cavity, the end portions of the taper rods are slidably plugged in the through holes, and the protective lantern ring is slidably sleeved on the outer wall of the taper rods.

Preferably, the inner wall of the inserting inner cavity is provided with a containing annular groove extending to the inner cavity of the insulating shell, the protective sleeve is sleeved on the outer side of the conducting layer, and the protective sleeve is inserted in the containing annular groove in a sliding mode.

Preferably, the arc outer wall of the inner arc plate is transversely provided with an inserted rod, and the inserted rod is inserted into the inner wall of the outer ring in a sliding manner.

Preferably, four groups of jacks distributed in a circumferential array are arranged between the gap between the inner arc plate and the outer ring, the conical rods are inserted into the jacks, the outer diameters of the conical rods are gradually increased from top to bottom, and the outer diameters of the jacks are the same as the outer diameter of the middle section of the conical rod.

Preferably, the lower end of the taper rod extends to the lower end of the outer ring, a pressure rod is arranged at the upper end of the electrode plate, and the pressure rod abuts against the end face of the lower end of the taper rod.

Preferably, the spring is sleeved at the upper end of the protection sleeve ring, the spring is vertically installed in the plug-in inner cavity, and two ends of the spring are pressed between the protection sleeve ring and the inner wall of the plug-in inner cavity.

Preferably, the outer side of the outer ring is provided with an external thread, and the outer ring is fixedly installed on the inner side of the lower end port of the inserting inner cavity through the external thread.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the conical rod is extruded by arranging the extrusion spring in an inserting mode, so that the transverse extrusion of the insulating ring and the connecting terminal by the inner arc plate is realized, the full contact of the connecting position is ensured, and the stability of circuit connection is improved;

2. according to the utility model, the protection sleeve ring and the insulation ring are mutually extruded and connected, so that the conductive layer is protected, the exposure of the connection position is avoided, and meanwhile, the convenient disassembly and assembly of battery connection are realized by utilizing the reset elasticity of the spring.

Drawings

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

FIG. 2 is a schematic perspective view of an insulating housing according to the present invention;

fig. 3 is a schematic perspective view of the outer ring of the present invention.

In the figure: 1. an insulating housing; 2. an electric core; 3. an inner cavity is inserted; 4. an electrode plate; 5. a connection terminal; 6. an insulating ring; 7. a pressure lever; 8. a conductive layer; 9. a tapered rod; 10. a protective collar; 11. a receiving circular groove; 12. a spring; 13. an outer ring; 14. an inner arc plate; 15. a jack; 16. an external thread; 17. a through hole; 18. and (4) inserting the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without any inventive work, belong to the scope of protection of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution:

the utility model provides a sealed lithium battery insulation shell of electrodeless auricle, including electric core 2, the outside end parcel of electric core 2 has one deck conducting layer 8, electric core 2 and the equal fixed mounting of conducting layer 8 are in insulation shell 1, be provided with the protection lantern ring 10 of cup jointing in the conducting layer 8 outside of flexible installation in insulation shell 1's the tip inner chamber, insulation shell 1's tip inner chamber sets up to grafting inner chamber 3, be provided with the through-hole 17 with taper rod 9 one-to-one on grafting inner chamber 3's the inner wall, the tip of taper rod 9 slides and pegs graft on through-hole 17, the protection lantern ring 10 slides and cup joints on the taper rod 9 outer wall, utilize through-hole 17 to realize the grafting installation of taper rod 9, utilize taper rod 9 to realize the location slidable mounting of protection lantern ring 10.

Outer lane 13 is installed to the tip inner chamber screw thread of insulating casing 1, and the outside of outer lane 13 sets up to external screw thread 16, and outer lane 13 passes through external screw thread 16 fixed mounting inboard at the lower extreme port of grafting inner chamber 3, utilizes external screw thread 16 to realize the fastening installation of outer lane 13.

The inner wall of grafting inner chamber 3 is provided with the annular groove 11 of accomodating that extends to insulating casing 1 inner chamber, and the protection lantern ring 10 cup joints in the outside of conducting layer 8, and the protection lantern ring 10 slides and pegs graft in accomodating annular groove 11, utilizes and accomodates annular groove 11 and realize realizing the purpose of accomodating at the protection lantern ring 10 slip in-process.

An inner arc plate 14 is inserted into the inner side of the outer ring 13 in a sliding mode, an insertion rod 18 is transversely arranged on the arc outer wall of the inner arc plate 14, the insertion rod 18 is inserted into the inner wall of the outer ring 13 in a sliding mode, and the inner arc plate 14 is installed in the sliding mode through the insertion rod 18 in a sliding mode.

Four groups of jacks 15 distributed in a circumferential array are arranged between the gap between the inner arc plate 14 and the outer ring 13, the conical rod 9 is inserted into the jacks 15, the outer diameter of the conical rod 9 is gradually increased from top to bottom, the outer diameter of the jacks 15 is the same as the outer diameter of the middle section of the conical rod 9, and the conical rod 9 is matched with the jacks 15 so as to control the width of the gap between the outer ring 13 and the inner arc plate 14 through the lifting of the conical rod 9.

The electrode plate 4 is inserted and connected to the outer side of the conductive layer 8, the electrode plate 4 is provided with a connecting terminal 5 which is attached to and electrically connected with the conductive layer 8, and the electrode plate 4 is inserted and connected through the insulating shell 1, so that the connecting terminal 5 is electrically connected with the conductive layer 8.

It has four group's taper rod 9 that the circumference array distributes to peg graft between the circular arc inner wall of inner arc board 14 and outer lane 13, the lower extreme of taper rod 9 extends to the lower extreme of outer lane 13, the upper end of plate electrode 4 is provided with depression bar 7, depression bar 7 supports on the lower extreme terminal surface of taper rod 9, the grafting in-process, depression bar 7 extrusion taper rod 9 rises, make clearance increase between outer lane 13 and the inner arc board 14, thereby realize inner arc board 14 to the lateral extrusion of insulator ring 6 and connecting terminal 5, thereby ensure that the hookup location fully contacts, circuit connection's stability has been improved.

Connecting terminal 5's outer wall is provided with insulator ring 6, arc board 14 in the outside laminating of insulator ring 6, spring 12 has been cup jointed to the upper end of the protection lantern ring 10, spring 12 is vertical to be installed in grafting inner chamber 3, the both ends pressfitting of spring 12 is between the inner wall of the protection lantern ring 10 and grafting inner chamber 3, spring 12 is compressed in the extrusion process, protection lantern ring 10 compression is in accomodating circular groove 11, through the cooperation of the protection lantern ring 10 with insulator ring 6, the realization is sealed the protection to the hookup location, avoid the battery outer wall to suffer destruction.

The working principle is as follows: at first, utilize the through-hole 17 to realize the grafting installation of taper rod 9, utilize the taper rod 9 to realize the location slidable mounting of the protection lantern ring 10, utilize external screw thread 16 to realize the fastening installation of outer lane 13, utilize and accomodate ring groove 11 and realize realizing the purpose of accomodating at the protection lantern ring 10 slip in-process, through the cooperation of the protection lantern ring 10 with insulator ring 6, realize sealing the protection to the hookup location, avoid the battery outer wall to suffer destruction.

Utilize inserted bar 18 to realize the installation of pegging graft of the slip of interior arc board 14, through the cooperation that sets up taper rod 9 and jack 15, thereby clearance width between lift control outer lane 13 through taper rod 9 and the interior arc board 14, through the grafting of insulating casing 1 to plate electrode 4, make connecting

terminal

5 and 8 electric connection of conducting layer, the grafting in-process, depression bar 7 extrusion taper rod 9 rises, make clearance increase between outer lane 13 and the interior arc board 14, thereby realize the horizontal extrusion of interior arc board 14 to insulator ring 6 and connecting terminal 5, thereby ensure that the hookup location fully contacts, circuit connection's stability has been improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sealed lithium battery insulation shell of electrodeless auricle, includes electric core (2), its characterized in that: the outer side end of the electric core (2) is wrapped with a conductive layer (8), the electric core (2) and the conductive layer (8) are both fixedly arranged in the insulating shell (1), a protection lantern ring (10) which is telescopically arranged and is sleeved outside the conducting layer (8) is arranged in an end inner cavity of the insulating shell (1), an outer ring (13) is arranged in the end inner cavity of the insulating shell (1) in a threaded manner, an inner arc plate (14) is inserted into the inner side of the outer ring (13) in a sliding manner, an electrode plate (4) is inserted into the outer side of the conducting layer (8), the electrode plate (4) is provided with a connecting terminal (5) which is jointed and electrically connected with the conducting layer (8), the outer wall of the connecting terminal (5) is provided with an insulating ring (6), the outer side of the insulating ring (6) is attached with an inner arc plate (14), four groups of conical rods (9) distributed in a circumferential array are inserted between the inner arc plate (14) and the inner arc wall of the outer ring (13).

2. The lithium battery insulating shell sealed by the electrodeless lug plate as claimed in claim 1, is characterized in that: the end inner cavity of the insulating shell (1) is arranged to be an inserting inner cavity (3), through holes (17) which correspond to the taper rods (9) one to one are formed in the inner wall of the inserting inner cavity (3), the end portions of the taper rods (9) are slidably inserted into the through holes (17), and the protective sleeve ring (10) is slidably sleeved on the outer wall of the taper rods (9).

3. The lithium battery insulating shell sealed by the electrodeless lug plate as claimed in claim 2, is characterized in that: the inner wall of the inserting inner cavity (3) is provided with an accommodating annular groove (11) extending towards the inner cavity of the insulating shell (1), the protection sleeve ring (10) is sleeved on the outer side of the conducting layer (8), and the protection sleeve ring (10) is inserted in the accommodating annular groove (11) in a sliding mode.

4. The lithium battery insulating shell sealed by the electrodeless lug plate as claimed in claim 1, is characterized in that: the arc outer wall of the inner arc plate (14) is transversely provided with an inserted rod (18), and the inserted rod (18) is inserted into the inner wall of the outer ring (13) in a sliding manner.

5. The lithium battery insulating shell sealed by the electrodeless lug plate as claimed in claim 1, is characterized in that: four groups of jacks (15) distributed in a circumferential array manner are arranged between the gap between the inner arc plate (14) and the outer ring (13), the conical rod (9) is inserted into the jacks (15), the outer diameter of the conical rod (9) is gradually increased from top to bottom, and the outer diameter of the jacks (15) is the same as the outer diameter of the middle section of the conical rod (9).

6. The lithium battery insulating shell sealed by the electrodeless lug plate as claimed in claim 1, is characterized in that: the lower extreme of taper rod (9) extends to the lower extreme of outer lane (13), the upper end of electrode board (4) is provided with depression bar (7), depression bar (7) support on the lower extreme terminal surface of taper rod (9).

7. The lithium battery insulating shell sealed by the electrodeless lug plate as claimed in claim 1, is characterized in that: the upper end of the protection sleeve ring (10) is sleeved with a spring (12), the spring (12) is vertically installed in the plug-in inner cavity (3), and two ends of the spring (12) are pressed between the protection sleeve ring (10) and the inner wall of the plug-in inner cavity (3).

8. The lithium battery insulating shell sealed by the electrodeless lug plate as claimed in claim 4, is characterized in that: the outer side of the outer ring (13) is provided with an external thread (16), and the outer ring (13) is fixedly installed on the inner side of the lower end port of the inserting inner cavity (3) through the external thread (16).