CN218123679U

CN218123679U - High-efficient hot melt sealing device of liquid mouth is annotated to electricity core

Info

Publication number: CN218123679U
Application number: CN202222070073.0U
Authority: CN
Inventors: 程胜兵; 康乔; 王韬; 周宸
Original assignee: Chuneng New Energy Co Ltd
Current assignee: Chuneng New Energy Co Ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2022-12-23
Anticipated expiration: 2032-08-08

Abstract

The utility model discloses a high-efficient hot melt sealing device of liquid mouth is annotated to electric core, it includes electric core body, electric core body includes the casing, the casing top is equipped with the lid, the lid is the modified hot melt of PPR, lid top one side is equipped with fixed pipe, fixed pipe top and notes liquid pipe communicate mutually, it is equipped with seal assembly to annotate liquid pipe top, fixed pipe is the modified hot melt pipe of PPR with annotating the liquid pipe, seal assembly PPR changes hot melt block. The utility model discloses effectively guarantee to annotate the leakproofness of liquid pipe through twice reinforcement protection, reduced electric core weeping risk, great improvement the security of electric core, seal assembly and annotate simple good operation of liquid pipe crimping hot melt, great promotion welding efficiency, reduced the possibility that electric core was reprocessed, saved the cost.

Description

High-efficient hot melt sealing device of liquid mouth is annotated to electricity core

Technical Field

The utility model relates to an electricity core processing technology field specifically indicates a high-efficient hot melt sealing device of liquid mouth is annotated to electric core.

Background

When the electric core is processed, electrolyte is required to be injected into the electric core through the electrolyte injection port, the electrolyte injection hole is formed in the surface of the electric core shell, after the electric core is assembled and the electrolyte is injected into the electric core through the vacuum electrolyte injection machine, the electric core is sealed through the electrolyte injection hole in a laser welding mode or a cleaning and dispensing mode. The laser welding mode is firm and reliable, but welding equipment and welding tools need to be added, the production cost of the battery is increased, and the efficiency is reduced. The mode of washing point gluing needs clean electric core surface, otherwise influences colloid viscosity, and electric core uses for a long time under high temperature simultaneously has the possibility that drops the inefficacy, has increased the risk that battery weeping is fired on fire.

Disclosure of Invention

To prior art's weak point, the utility model provides a high-efficient hot melt sealing device of liquid mouth is annotated to electric core does not pass through twice reinforcement protection and can effectively guarantee the leakproofness that the liquid mouth was annotated to electric core, has reduced electric core weeping risk, great improvement the security of electric core. Meanwhile, hot melting of the PPR mushroom nail is simple and easy to operate, welding efficiency is greatly improved, the possibility of repairing the battery cell is reduced, and cost is saved.

In order to achieve the purpose, the utility model relates to a high-efficient hot melt sealing device of liquid mouth is annotated to electric core, including electric core body, electric core body includes the casing, the casing top is equipped with the lid, the lid is the modified hot melt of PPR, lid top one side is equipped with fixed pipe, fixed pipe top and notes liquid pipe communicate mutually, it is equipped with seal assembly to annotate liquid pipe top, fixed pipe is the modified hot melt pipe of PPR with annotating the liquid pipe, seal assembly PPR changes hot melt block.

Further, seal assembly includes the apron, apron below middle part is equipped with the guide block, guide block below and buckle fixed connection.

Still further, the buckle is the back taper.

Still further, the inner diameter section of the fixing pipe is larger than that of the liquid injection pipe.

Still further, the apron below outside is equipped with the locating piece of four matrix arrangements, annotate the liquid pipe upper end and be equipped with the constant head tank with locating piece assorted.

Still further, the lid is located the fixed pipe below and is equipped with the through-hole.

And furthermore, a core roll is arranged in the shell, an anode terminal is arranged above the core roll, a cathode terminal is arranged below the core roll, and one sides of the anode terminal and the cathode terminal, which are far away from the core roll, penetrate through the shell and the cover body respectively.

Still further, the seal assembly is of a one-piece construction.

The utility model has the advantages that:

1. the sealing assembly is hermetically connected with the liquid injection pipe through the mutual matching of the buckle and the fixed pipe;

2. the hot melting machine can be in the same place seal assembly and notes liquid pipe hot melt, and the leakproofness of annotating the liquid pipe can effectively be guaranteed through reinforcing the protection twice, has reduced electric core weeping risk, great improvement the security of electric core, seal assembly and notes liquid pipe crimping hot melt are simple good operation, great promotion welding efficiency, have reduced the possibility of electric core repairing, have saved the cost.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is an enlarged schematic view of the present invention at a in fig. 2;

fig. 4 is a schematic structural view of the sealing assembly of the present invention;

FIG. 5 is a schematic structural view of the fixing tube and the liquid injection tube of the present invention;

in the figure: the battery cell comprises a battery cell body 1, a shell 11, a cover body 12, a battery core roll 13, a through hole 2, a fixing pipe 3, a liquid injection pipe 4, a sealing assembly 5, a cover plate 51, a guide block 52, a buckle 53, a buckle 54 positioning block, a positioning groove 6, a positive terminal 7 and a negative terminal 8.

Detailed Description

The invention is described in further detail below with reference to the figures and the specific embodiments.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "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 invention.

The high-efficiency hot-melt sealing device for the battery cell liquid injection port shown in fig. 1-5 comprises a battery cell body 1, the battery cell body 1 comprises a shell 11, a cover body 12 is arranged above the shell 11, the cover body 12 is in hot-melt sealing with the shell 11, the cover body 12 is in PPR modified hot melt, one side above the cover body 12 is provided with a fixed pipe 3, the upper part of the fixed pipe 3 is communicated with a liquid injection pipe 4, a sealing component 5 is arranged above the liquid injection pipe 4, the sealing component 5 is fixedly connected with the liquid injection pipe 4 and the fixed pipe 3, so as to finish the primary sealing of the liquid injection pipe 4, the fixed pipe 3 and the liquid injection pipe 4 are in PPR modified hot melt pipes, the sealing component 5 is a PPR modified hot melt block, also called as random copolymerization polypropylene, the device has high strength and excellent processing performance, and can be directly fused with each other under a high-temperature state, so that the liquid injection pipe can be sealed again in a hot-melt mode after the sealing component 5 is fixedly connected with the liquid injection pipe 4.

Seal assembly 5 includes apron 51, apron 51 below middle part is equipped with guide block 52, guide block 52 below and buckle 53 fixed connection, when pressing seal assembly 5, through the guide block 52 with annotate mutually supporting between the liquid pipe 4, make but seal assembly 5 vertical grafting inside annotating liquid pipe 4, but buckle 53 joint is in fixed pipe 3 upper end, thereby through buckle 53 and the fixed mutually supporting between managing 3, make seal assembly 5 and annotate liquid pipe 4 and carry out sealing connection.

The catch 53 is of inverted conical shape, and the inverted conical catch 53 makes the catch 53 more convenient to be inserted into the pouring spout 4.

The inner diameter section of the fixed pipe 3 is larger than that of the liquid injection pipe 4.

The outside of apron 51 below is equipped with four locating pieces 54 that the matrix was arranged, annotates liquid pipe 4 upper end be equipped with locating piece 54 assorted constant head tank 6, locating piece 54 pegs graft inside constant head tank 6, through locating piece 54 and the constant head tank 6 between mutually supporting, avoided seal assembly 5 pivoted phenomenon to appear.

The cover 12 is located below the fixing tube 3 and has a through hole 2, and the through hole 2 is communicated with the fixing tube 3, so that the electrolyte can enter the housing 11 through the through hole 2.

A core roll 13 is arranged in the shell 11, a positive terminal 7 is arranged above the core roll 13, a negative terminal 8 is arranged below the core roll 13, and the sides of the positive terminal 7 and the negative terminal 8, which are far away from the core roll 13, respectively penetrate through the shell 11 and the cover 12.

The seal assembly 5 is of an integrated structure, and the overall structural strength of the seal assembly 5 is effectively improved by the seal assembly 5 of the integrated structure.

Specifically, the utility model discloses in, can be to the inside electrolyte that adds of casing 11 through the fixed pipe 3 of intercommunication and notes liquid pipe 4, after motor liquid injection completion, press into liquid pipe 4 inside with seal assembly 5, at this moment, the mutual cooperation between guide block 52 and the notes liquid pipe 4, seal assembly 5 vertical grafting is in annotating liquid pipe 4 inside, buckle 53 joint is in fixed 3 upper ends of managing, thereby through the mutually supporting between buckle 53 and the fixed pipe 3, make seal assembly 5 and annotate liquid pipe 4 carry out sealing connection, after seal assembly 5 installation is accomplished, rethread hot melt machine with seal assembly 5 with annotate liquid pipe 4 hot melt together, can effectively guarantee the leakproofness of annotating the liquid pipe through twice reinforcement protection, electric core weeping risk has been reduced, great improvement the security of electric core, seal assembly 5 and annotate the simple good operation of liquid pipe 4 crimping hot melt, great promotion welding efficiency, electric core repair's possibility has been reduced, the cost is saved.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims

1. The utility model provides a high-efficient hot melt sealing device of liquid mouth is annotated to electric core which characterized in that: including electric core body (1), electric core body (1) includes casing (11), casing (11) top is equipped with lid (12), lid (12) are the modified hot melt of PPR, lid (12) top one side is equipped with fixed pipe (3), fixed pipe (3) top is linked together with annotating liquid pipe (4), it is equipped with seal assembly (5) to annotate liquid pipe (4) top, fixed pipe (3) and annotate liquid pipe (4) are the modified hot melt pipe of PPR, seal assembly (5) PPR changes hot melt piece.

2. The efficient hot-melt sealing device for the battery cell liquid injection port according to claim 1, characterized in that: the sealing assembly (5) comprises a cover plate (51), a guide block (52) is arranged in the middle of the lower portion of the cover plate (51), and the lower portion of the guide block (52) is fixedly connected with a buckle (53).

3. The efficient hot-melt sealing device for the battery cell liquid injection port according to claim 2, characterized in that: the buckle (53) is in an inverted cone shape.

4. The efficient hot-melt sealing device for the battery core liquid injection port according to claim 2, characterized in that: the inner diameter section of the fixed pipe (3) is larger than that of the liquid injection pipe (4).

5. The efficient hot-melt sealing device for the battery core liquid injection port according to claim 2, characterized in that: the outer side of the lower part of the cover plate (51) is provided with four positioning blocks (54) which are arranged in a matrix manner, and the upper end of the liquid injection pipe (4) is provided with a positioning groove (6) matched with the positioning blocks (54).

6. The efficient hot-melt sealing device for the battery cell liquid injection port according to claim 1, characterized in that: the cover body (12) is positioned below the fixed pipe (3) and is provided with a through hole (2).

7. The efficient hot-melt sealing device for the battery cell liquid injection port according to claim 1, characterized in that: be equipped with the core in casing (11) and roll up (13), the core is rolled up (13) top and is equipped with positive terminal (7), the core is rolled up (13) below and is equipped with negative terminal (8), positive terminal (7) and negative terminal (8) are kept away from core and are rolled up (13) one side and run through casing (11) and lid (12) respectively.

8. The efficient hot-melt sealing device for the battery cell liquid injection port according to claim 1, characterized in that: the sealing assembly (5) is of an integrated structure.