CN215184453U

CN215184453U - Liquid injection plastic sealing assembly for battery shell

Info

Publication number: CN215184453U
Application number: CN202120935588.5U
Authority: CN
Inventors: 周建仪
Original assignee: Suzhou Liqun Plastic Co ltd
Current assignee: Suzhou Liqun Plastic Co ltd
Priority date: 2021-05-05
Filing date: 2021-05-05
Publication date: 2021-12-14
Anticipated expiration: 2031-05-05

Abstract

The utility model discloses a liquid injection plastic sealing component of a battery shell, which belongs to the technical field of sealing components and comprises a battery shell, wherein the upside of the left wall and the right wall of the battery shell is respectively connected with a support frame, the upper end of the two support frames is adjacent to one side and is vertically connected with a mounting plate, the lower wall of the mounting plate is fixedly connected with the upper wall of the adjacent support frame, the middle part of the upper wall of the battery shell is provided with a liquid injection hole, the inside of the liquid injection hole is connected with a sealing plug, the middle part of the inner cavity of the sealing plug is connected with a baffle, the left end and the right end of the baffle are connected with the inner wall of the inner cavity of the sealing plug, a leak-proof gasket is arranged between the sealing plug and the liquid injection hole, the middle part of the upper wall of the baffle is provided with a screw hole, the upper end of the threaded rod is fixedly connected with a pressing plate, and the pressing plate, the threaded rod, the support frame, the mounting plate, the clamping groove, the spring telescopic rod and the clamping block are matched together, when the sealing performance of the sealing plug is enhanced, the leakage-proof gasket is connected with the liquid injection hole more tightly, and the sealing plug is protected from being corroded.

Description

Liquid injection plastic sealing assembly for battery shell

Technical Field

The utility model relates to a seal assembly technical field specifically is a battery case annotates liquid plastic seal assembly.

Background

And controlling the amount and injection time of the liquid electrolyte to inject the liquid electrolyte into the battery from the liquid injection port. The main purpose is to form an ion channel, so that enough lithium ions can be transferred between the positive plate and the negative plate in the charging and discharging process of the battery, and reversible cycle is realized.

The battery shell needs to be sealed by the sealing assembly after the liquid injection process of the battery shell, and the existing sealing assembly is easily corroded by liquid electrolyte to cause liquid leakage and damage the battery.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery case annotates liquid plastic seal assembly to solve the problem that the current seal assembly who proposes among the above-mentioned background art corrodes the messenger battery and takes place to damage by liquid electrolyte easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a battery case annotates liquid plastic seal assembly, includes battery case, two wall upsides all are connected with the support frame about battery case, two the equal vertical mounting panel that is connected with in one side that the support frame upper end is close to, two mounting panel lower wall and the support frame upper wall fixed connection who is close to mutually, battery case upper wall middle part has been seted up and has been annotated the liquid hole, annotate the downthehole portion of liquid and be connected with the sealing plug, sealing plug inner chamber middle part is connected with the baffle, both ends and sealing plug inner chamber wall connection about the baffle, the sealing plug with annotate and be equipped with the leak protection packing ring between the liquid hole.

Preferably, the left side and the right side of the sealing plug are both connected with spring telescopic rods, the two ends, close to each other, of the spring telescopic rods are fixedly connected with the side wall of the sealing plug, the two ends, away from each other, of the spring telescopic rods are both connected with clamping blocks, a plurality of clamping grooves are uniformly formed in the surface, close to each other, of one side of each mounting plate, and the clamping blocks are matched with the clamping grooves.

Preferably, a screw hole is formed in the middle of the upper wall of the partition plate, a threaded rod is screwed in the screw hole, the threaded rod penetrates through the inside of the sealing plug and extends to the outer side of the upper wall of the sealing plug, and a pressing plate is fixedly connected to the upper end of the threaded rod.

Preferably, the upper walls of the two support frames and the upper wall of the battery shell are located at the same height.

Preferably, the leakage-proof gasket is made of neoprene.

Compared with the prior art, the beneficial effects of the utility model are that: through the common cooperation of clamp plate, threaded rod, support frame, mounting panel, draw-in groove, spring telescopic link, fixture block, when making the leakproofness of sealing plug strengthen, the leak protection packing ring is inseparabler with annotate the liquid jogged joint, and the protection sealing plug is not corroded.

Drawings

FIG. 1 is a front view of the internal structure of the present invention;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 1 battery shell, 2 support frames, 3 mounting plates, 4 clamping grooves, 5 liquid injection holes, 6 sealing plugs, 7 leakage-proof gaskets, 8 spring telescopic rods, 9 clamping blocks, 10 pressing plates, 11 threaded rods, 12 partition plates and 13 screw holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a battery case annotates liquid plastic seal assembly, includes battery case 1, battery case 1 controls two wall upsides and all is connected with support frame 2, two the equal vertical mounting panel 3 that is connected with in one side that 2 upper ends of support frame are close to mutually, two mounting panel 3 lower wall and the 2 upper wall fixed connection of support frame that are close to mutually, battery case 1 upper wall middle part has been seted up and has been annotated liquid hole 5, annotate 5 internal connection in liquid hole and have sealing

plug

6, 6 inner chamber middle parts of sealing plug are connected with baffle 12, both ends and 6 inner chamber wall connections of sealing plug about baffle 12, sealing plug 6 and annotate and be equipped with leak protection packing ring 7 between the liquid hole 5.

Wherein, the sealing plug 6 left and right sides all is connected with spring telescopic link 8, two the one end that spring telescopic link 8 is close to mutually all with the lateral wall fixed connection of sealing plug 6, two the one end that spring telescopic link 8 deviates from mutually all is connected with fixture block 9, two a plurality of draw-in grooves 4 have evenly been seted up to the side surface that mounting panel 3 is close to mutually, fixture block 9 and draw-in groove 4 looks adaptation, screw 13 has been seted up at baffle 12 upper wall middle part, the inside spiro union of screw 13 has threaded rod 11, threaded rod 11 runs through sealing plug 6 inside and extends to the sealing plug 6 upper wall outside, 11 upper end fixedly connected with clamp plate 10 of threaded rod, two 2 upper walls of support frame and 1 upper wall of battery case are located same height, leak protection packing ring 7 is made for chloroprene rubber, chloroprene rubber can effectively prevent the corruption of electrolyte solution.

The working principle is as follows: at first, leak protection packing ring 7 is plugged into the drill way department of annotating liquid hole 5, with its preliminary sealing, then plug sealing 6 into leak protection packing ring 7 top, screw up threaded rod 11, afterwards manual compress tightly clamp plate 10 downwards, make sealing plug 6 and leak protection packing ring 7 will annotate liquid hole 5 sealed, extend two spring telescopic links 8, make two fixture blocks 9 insert inside the draw-in groove 4 that is close to mutually, accomplish annotating the sealed of liquid hole 5.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a battery case annotates liquid plastic seal assembly, includes battery case (1), its characterized in that: battery case (1) is controlled two wall upsides and is all connected with support frame (2), two the equal vertical mounting panel (3) that is connected with in one side that support frame (2) upper end is close to mutually, two mounting panel (3) lower wall and the support frame (2) upper wall fixed connection who is close to mutually, battery case (1) upper wall middle part has been seted up and has been annotated liquid hole (5), annotate liquid hole (5) internal connection and have sealing plug (6), sealing plug (6) inner chamber middle part is connected with baffle (12), both ends and sealing plug (6) inner chamber wall connection about baffle (12), sealing plug (6) and annotate and be equipped with leak protection packing ring (7) between liquid hole (5).

2. The battery case liquid injection plastic sealing assembly according to claim 1, wherein: the sealing plug (6) left and right sides all is connected with spring telescopic link (8), two the one end that spring telescopic link (8) are close to mutually all with the lateral wall fixed connection of sealing plug (6), two the one end that spring telescopic link (8) deviate from mutually all is connected with fixture block (9), two a plurality of draw-in grooves (4) have evenly been seted up to a side surface that mounting panel (3) are close to mutually, fixture block (9) and draw-in groove (4) looks adaptation.

3. The battery case liquid injection plastic sealing assembly according to claim 1, wherein: screw (13) have been seted up in baffle (12) upper wall middle part, screw (13) inside spiro union has threaded rod (11), threaded rod (11) run through sealing plug (6) inside and extend to the sealing plug (6) upper wall outside, threaded rod (11) upper end fixedly connected with clamp plate (10).

4. The battery case liquid injection plastic sealing assembly according to claim 1, wherein: the upper walls of the two support frames (2) and the upper wall of the battery shell (1) are positioned at the same height.

5. The battery case liquid injection plastic sealing assembly according to claim 1, wherein: the leakage-proof gasket (7) is made of chloroprene rubber.