CN212587693U

CN212587693U - Injecting glue grafting structure and battery module production system

Info

Publication number: CN212587693U
Application number: CN202021527164.7U
Authority: CN
Inventors: 袁芬华; 邱飞; 林桐华; 刘丽荣
Original assignee: Farasis Energy Ganzhou Co Ltd; Farasis Energy Zhenjiang Co Ltd
Current assignee: Farasis Energy Ganzhou Co Ltd; Farasis Energy Zhenjiang Co Ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-02-23
Anticipated expiration: 2030-07-28

Abstract

The utility model relates to a battery module processing production field specifically relates to an injecting glue grafting structure and battery module production system. The utility model provides a injecting glue grafting structure, includes hollow injecting glue pipe, block device and sets up the injecting glue plug-in components on the module end cover, injecting glue plug-in components upper end is seted up flutedly, the injecting glue through-hole has been seted up at the recess middle part, the injecting glue pipe passes through detachable block device with the injecting glue plug-in components link to each other, so that the injecting glue pipe supports to be established in the recess, realize the injecting glue pipe with the sealed UNICOM of injecting glue through-hole. Injecting glue grafting structure, utilize the block device to support the injecting glue pipe and press on the injecting glue plug-in components to avoid the vice rotatory wearing and tearing injecting glue plug-in components of spiral in original threaded connection structure, reduce the disability rate of module plastic apron, improve injecting glue grafting structure's life, reduce the manufacturing cost of battery module.

Description

Injecting glue grafting structure and battery module production system

Technical Field

The utility model relates to a battery module processing production field specifically relates to an injecting glue grafting structure and battery module production system.

Background

In the new energy power battery module, glue is injected into the module to enhance the stability of stacking inside the module and the firm reliability of connection of electric devices; the glue injection structure of the existing scheme adopts a special jig for a spanner, and glue is injected after a screw thread type screw-in structure of a glue injection pipe is assembled, so that sealing can be realized only by winding a raw material belt on a screw thread of a hardware rubber pipe in order to ensure sealing performance; in the production and assembly process, the hardware rubber tube screw thread and the module plastic screw thread are very easy to rub and damage the module plastic cover plate when being paired, so that glue cannot be injected, and scrapped materials are generated. The module is worn and torn easily to current threaded connection's mode, wastes time and energy, and the operation is slower.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the problem that the five metals rubber tube thread that prior art exists pairs with module plastic thread, and the plastics thread is very easily damaged.

In order to realize the above-mentioned purpose, the utility model provides an aspect provides an injecting glue grafting structure, including hollow injecting glue pipe, block device and the injecting glue plug-in components of setting on the module end cover, injecting glue plug-in components upper end is seted up flutedly, the injecting glue through-hole has been seted up at the recess middle part, the injecting glue pipe passes through detachable block device with the injecting glue plug-in components link to each other, so that the injecting glue pipe supports to be established in the recess, realize the injecting glue pipe with the sealed UNICOM of injecting glue through-hole.

Preferably, the glue injection pipe comprises a glue injection body and a glue injection head, the bottom end of the glue injection body is used for abutting against the glue injection body in the groove, and the glue injection head is arranged at the bottom end of the glue injection body and is used for being inserted into the glue injection through hole.

Preferably, the utility model provides an implementation of block device, block device is including setting up the boss in the injecting glue head outside is in with the setting the block groove on the injecting glue plug-in components inner wall, the block groove is including seting up the recess upper end is used for boss male heavy groove with set up the injecting glue plug-in components inner wall be used for vertical card to establish the fixed slot of boss, the fixed slot with it communicates mutually to sink the groove, so that the boss passes sink the groove and insert the fixed slot.

Preferably, the fixing groove is formed in one side of the sinking groove along the circumferential direction of the glue injection plug-in unit, and a stop block which is located on one side of the fixing groove along the circumferential direction to limit the circumferential position of the boss is arranged on the inner wall of the glue injection plug-in unit.

Preferably, the glue injection insertion structure comprises two clamping devices which are symmetrical relative to a central line of the glue injection through hole.

Preferably, the top surface of the boss forms a slope in the circumferential direction, and the upper end surface of the fixing groove forms a corresponding slope in the circumferential direction.

Preferably, the bottom of the glue injection body is provided with a rubber ring.

Preferably, the outer contour of the glue injection body is set to be prism-shaped.

Preferably, the utility model provides a clamping device's another kind of embodiment, clamping device includes that one end articulates snap ring on the injecting glue pipe is in with the setting the barb of injecting glue plug-in components upper end, snap ring other end detachable card is established on the barb.

The utility model discloses the second aspect provides a battery module production system, including module shell and the arbitrary injecting glue grafting structure of above-mentioned, the module shell includes the module end cover, be provided with a plurality ofly on the module shell injecting glue grafting structure.

Injecting glue grafting structure, utilize the block device to support the injecting glue pipe and press on the injecting glue plug-in components to avoid the vice rotatory wearing and tearing injecting glue plug-in components of spiral in original threaded connection structure, reduce the disability rate of module plastic apron, improve injecting glue grafting structure's life, reduce the manufacturing cost of battery module.

Drawings

Fig. 1 is a schematic diagram of a specific structure of an embodiment of the glue injection plugging structure of the present invention.

Description of the reference numerals

1-module end cover, 2-glue injection pipe, 3-glue injection plug, 4-glue injection body, 5-glue injection head, 6-boss, 7-groove, 8-sinking groove, 9-fixing groove, 10-stop block and 11-rubber ring.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

The utility model provides an aspect provides an injecting glue grafting structure, including hollow injecting glue pipe 2, block device and the injecting glue plug-in components 3 of setting on module end cover 1, injecting glue plug-in components 3 upper end is seted up flutedly 7, the injecting glue through-hole has been seted up at recess 7 middle part, injecting glue pipe 2 passes through the detachable block device with injecting glue plug-in components 3 link to each other, so that injecting glue pipe 2 supports to be established in recess 7, realize injecting glue pipe 2 with the sealed UNICOM of injecting glue through-hole.

In the prior art, one end of a general glue injection pipe is provided with a thread, and a corresponding module end cover is provided with a threaded hole; module end caps are generally used to house batteries, and in order to improve safety and reduce cost, module end caps are generally made of insulating plastic materials; the plastic is connected with the metal glue injection pipe by using threads; because the strength of the plastic material is low, the plastic material is easy to wear and discard in the screwing process. And the utility model discloses in the use, changed the connected mode of module end cover with the injecting glue pipe, utilize detachable block device to support the injecting glue pipe to establish on injecting glue plug-in components 3, utilize the sealed intercommunication of the power realization module end cover of pressfitting and injecting glue pipe like this, injecting glue plug-in components 3 bear pressure, avoid original thread installation wearing and tearing. Preferably, the glue injection plug-in 3 and the module end cover are integrally formed by injection molding through an injection molding machine.

Preferably, the glue injection pipe 2 comprises a glue injection body 4 with a bottom end used for abutting against the groove 7 and a glue injection head 5 arranged at the bottom end of the glue injection body 4 and used for being inserted into the glue injection through hole.

If the glue injection plug-in component 3 is in surface-to-surface joint with the glue injection pipe, the structure is not easy to be precisely butted in the actual use process, and the connection state is easy to be damaged by external force impact. The glue injection head 5 is inserted into the glue injection through hole, on one hand, connection and limiting are carried out, and accurate butt joint of the glue injection plug-in piece 3 and the glue injection pipe in the radial direction of the glue injection through hole is realized; on the other hand, the connection strength of the glue injection plug-in 3 and the glue injection pipe is improved, and the glue injection pipe is prevented from being separated from the glue injection plug-in 3 due to external impact. The glue injection body 4 is abutted to the groove 7, so that accurate butt joint in the axial direction of the glue injection through hole is further ensured, and the connection strength of the glue injection plug-in unit 3 and the glue injection pipe is further improved.

Preferably, as shown in fig. 1, the utility model provides an implementation of clamping device, clamping device is including setting up boss 6 in the injecting glue head 5 outside is in with the setting the block groove on the injecting glue plug-in components 3 inner wall, the block groove is including seting up recess 7 upper end is used for boss 6 male sunken groove 8 with set up being used for of injecting glue plug-in components 3 inner wall vertical card of being used for establishes boss 6's fixed slot 9, fixed slot 9 with sunken groove 8 is linked together, so that boss 6 passes sunken groove 8 inserts fixed slot 9.

When the glue injection device is used, the boss 6 on the outer side of the glue injection head 5 is inserted into the sinking groove 8, and then the boss 6 is screwed in the circumferential direction of the fixing groove 9, so that the boss 6 is clamped in the fixing groove 9, and the bottom end of the glue injection body 4 and the upper end of the groove 7 are mutually pressed; after glue injection is completed, disassembly can be realized by reversely twisting. The clamping device integrates the functional structure on the original glue injection head 5 and the glue injection pipe 2, and avoids the loss of the clamping device arranged additionally. The clamping device is simple in structure and convenient to detach.

Preferably, the fixing groove 9 is disposed at one side of the sunken groove 8 along a circumferential direction of the glue injection insert 3, and a stopper 10 is disposed on an inner wall of the glue injection insert 3 and located at one side of the fixing groove 9 along the circumferential direction to limit a circumferential position of the boss 6. The limit position that injecting glue head 5 was twisted can be restricted to dog 10 to help the constructor to confirm whether clamping device installs, also avoid twisting injecting glue head 5 too big angle and cause the injecting glue pipe wearing and tearing.

Preferably, the glue injection insertion structure comprises two clamping devices which are symmetrical relative to a central line of the glue injection through hole. The symmetrical arrangement of the clamping devices enables the circumferential stress of the glue injection plug-in component 3 and the glue injection pipe 2 to be balanced, and the connection tightness of the glue injection plug-in structure is improved.

Preferably, the top surface of the boss 6 is tapered in the circumferential direction, and the upper end surface of the fixing groove 9 is tapered in the circumferential direction. The top surface of boss 6 forms the inclination along circumference and can make 6 a side end size of boss less, is convenient for insert fixed slot 9, and the inclination that the up end of fixed slot 9 formed can make the boss insert the in-process of fixed slot 9 in the rotation in circumference, constantly by the upper end of fixed slot 9 support to press and sink to make support each other between injecting glue body 4 and the recess 7 and press, realize injecting glue grafting structure's sealing connection. And the inclination of fixed slot 9 and boss 6 agrees with each other, avoids the vertical drunkenness of injecting glue plug-in components 3 and injecting glue pipe 2 to influence the leakproofness that this injecting glue grafting structure connects.

Preferably, the bottom of the glue injection body 4 is provided with a rubber ring 11. The rubber ring 11 can improve the sealing performance of the low pressure between the glue injection body 4 and the groove 7.

Preferably, the outer contour of the glue injection body 4 is set to be prism-shaped. The prismatic injecting glue body 4 is convenient for twist and is prevented from slipping, so that the injecting glue inserting structure is more convenient to disassemble and assemble.

Preferably, the utility model provides a clamping device's another kind of embodiment, clamping device includes that one end articulates snap ring on the injecting glue pipe 2 is in with the setting the barb of injecting glue plug-in components 3 upper end, snap ring other end detachable card is established on the barb. Utilize snap ring and barb to realize injecting glue plug-in components 3 and injecting glue pipe 2 support to press sealing connection, this block device easy dismounting and processing are simple and convenient, can effectively reduction in production cost.

The utility model discloses the second aspect provides a battery module production system, including module shell and the arbitrary injecting glue grafting structure of above-mentioned, the module shell includes module end cover 1, be provided with a plurality ofly on the module shell injecting glue grafting structure. Injecting glue grafting structure, utilize the block device to support the injecting glue pipe and press on the injecting glue plug-in components to avoid the vice rotatory wearing and tearing injecting glue plug-in components of spiral in original threaded connection structure, reduce the disability rate of module plastic apron, improve injecting glue grafting structure's life, reduce the manufacturing cost of battery module.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. The technical scheme of the utility model in the technical conception scope, can be right carry out multiple simple variant. Including each of the specific features, are combined in any suitable manner. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.

Claims

1. The utility model provides a injecting glue grafting structure, its characterized in that includes hollow injecting glue pipe (2), block device and sets up injecting glue plug-in components (3) on module end cover (1), injecting glue plug-in components (3) upper end is seted up flutedly (7), the injecting glue through-hole has been seted up at recess (7) middle part, injecting glue pipe (2) are through detachable block device with injecting glue plug-in components (3) link to each other, so that injecting glue pipe (2) are supported to be established in recess (7), realize injecting glue pipe (2) with the sealed UNICOM of injecting glue through-hole.

2. A glue injection splicing structure according to claim 1, wherein the glue injection pipe (2) comprises a glue injection body (4) with a bottom end arranged in the groove (7) in an abutting manner, and a glue injection head (5) arranged at the bottom end of the glue injection body (4) and inserted into the glue injection through hole.

3. An injection plug-in structure according to claim 2, wherein the engaging device comprises a boss (6) arranged on the outer side of the injection head (5) and an engaging groove arranged on the inner wall of the injection insert (3), the engaging groove comprises a sinking groove (8) formed in the upper end of the groove (7) and used for inserting the boss (6) and a fixing groove (9) formed in the inner wall of the injection insert (3) and used for vertically clamping the boss (6), and the fixing groove (9) is communicated with the sinking groove (8) so that the boss (6) penetrates through the sinking groove (8) and is inserted into the fixing groove (9).

4. A glue injection plug structure according to claim 3, wherein the fixing groove (9) is provided on one side of the sunken groove (8) in the circumferential direction of the glue injection plug (3), and a stopper (10) is provided on the inner wall of the glue injection plug (3) on one side of the fixing groove (9) in the circumferential direction to define the circumferential position of the boss (6).

5. An injection-molded plug structure according to claim 3, wherein the injection-molded plug structure comprises two of the engaging devices which are symmetrical with respect to a center line of the injection-molded through hole.

6. A glue injection splicing structure according to claim 3, wherein the top surface of the boss (6) is tapered in the circumferential direction, and the upper end surface of the fixing groove (9) is tapered in the circumferential direction.

7. A glue injection splicing structure according to claim 3, wherein a rubber ring (11) is arranged at the bottom of the glue injection body (4).

8. A glue injection splicing structure according to claim 3, wherein the outer contour of the glue injection body (4) is arranged in a prism shape.

9. A glue injection splicing structure according to claim 1, wherein the clamping device comprises a clamping ring with one end hinged on the glue injection pipe (2) and a barb arranged at the upper end of the glue injection plug-in component (3), and the other end of the clamping ring is detachably clamped on the barb.

10. A battery module production system, comprising a module housing and the glue injection plugging structure of any one of claims 1 to 9, wherein the module housing comprises a module end cover (1), and the module housing is provided with a plurality of the glue injection plugging structures.