CN216312008U - Liquid-dropping-proof electric core liquid injection mechanism - Google Patents
Liquid-dropping-proof electric core liquid injection mechanism Download PDFInfo
- Publication number
- CN216312008U CN216312008U CN202122361839.6U CN202122361839U CN216312008U CN 216312008 U CN216312008 U CN 216312008U CN 202122361839 U CN202122361839 U CN 202122361839U CN 216312008 U CN216312008 U CN 216312008U
- Authority
- CN
- China
- Prior art keywords
- vacuum
- liquid
- hole
- liquid injection
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Filling, Topping-Up Batteries (AREA)
Abstract
The utility model discloses a drip-proof battery core liquid injection mechanism, which relates to the technical field of battery preparation, wherein a vacuum cavity with a hollow interior is arranged in a vacuum shell, a first through hole and a second through hole which are coaxial are respectively arranged at the upper end and the lower end of the vacuum shell, a liquid injection needle is arranged in the first through hole and the second through hole in a penetrating way, a sealing washer is arranged at the bottom of the vacuum shell and above the battery shell, two sealing rubber blocks positioned below the liquid injection needle are oppositely arranged at the inner side of the sealing washer, and is connected with the annular rubber ring in the sealing washer through the extension spring, the utility model has simple structure and reasonable design, can avoid annotating the liquid needle effectively and annotate the liquid and accomplish the back, the inside remaining electrolysis liquid of syringe needle drops outside the battery case, has avoided volatilizing of electrolyte and the corruption to the battery case, the effectual security that improves in battery transportation and the use has good economic benefits.
Description
Technical Field
The utility model relates to the technical field of battery preparation, in particular to a drip-proof battery core liquid injection mechanism.
Background
In production, lithium cell annotates the liquid process and can adopt the vacuum to annotate liquid, and its device includes evacuating device and priming device, annotates the liquid needle upper end and connects the height above sea level pump, annotates liquid needle lower extreme opening, and the cavity is equipped with the passageway and links to each other with evacuating device, and the cavity lower extreme is equipped with certain space with annotating between the liquid needle, carries out the inside evacuation operation of battery through this space, and when annotating liquid operation, the notes liquid needle and the cavity simultaneous movement of this device.
When the device is used for liquid injection, due to the surface tension of the electrolyte, a part of the electrolyte is attached to the liquid injection pipe, the electrolyte attached to the upper surface of the liquid injection pipe is easy to drop outside the battery after the liquid injection pipe is pulled out from the inside of the battery, and the electrolyte has strong corrosivity and volatility, so that the device has great potential safety hazards in the transportation and use processes after the battery.
SUMMERY OF THE UTILITY MODEL
The utility model provides a drip-proof battery core liquid injection mechanism, relates to the technical field of battery preparation, can effectively solve the problems, and is simple in structure and convenient to use.
The specific technical scheme is that the liquid mechanism is annotated to electric core of antidrip liquid includes: the device comprises a liquid injection needle, a vacuum shell, a sealing washer, a telescopic spring, a sealing rubber block and a battery shell.
The vacuum shell is internally provided with a hollow vacuum cavity, a first through hole and a second through hole which are coaxial are respectively formed in the upper end and the lower end of the vacuum cavity, the liquid injection needle penetrates through the first through hole and the second through hole, the sealing washer is arranged above the bottom of the vacuum shell and the battery shell, two sealing rubber blocks located below the liquid injection needle are oppositely arranged on the inner side of the sealing washer and are connected with an annular rubber ring in the sealing washer through the telescopic spring.
Further, the vacuum housing further comprises: the vacuum shell comprises a vacuum channel, a boss and a wedge-shaped rubber ring, wherein the vacuum channel is arranged above the vacuum shell and connected with an altitude pump, the boss is arranged on the lower end face of the vacuum shell, the wedge-shaped rubber ring is relatively arranged on the lower end face of the boss, and the inclined plane of the wedge-shaped rubber ring is arranged on the outer ring of the wedge-shaped rubber ring.
Further, the sealing gasket further comprises: the annular rubber ring is arranged above the gasket base, and the diameter of the annular rubber ring is larger than the inner diameter of the gasket base and smaller than the outer diameter of the gasket base.
In one embodiment, when the liquid injection needle performs liquid injection operation, when the liquid injection needle moves downwards relative to the vacuum shell, the lower end of the vacuum shell abuts against a liquid injection hole in the battery shell, the liquid injection needle continues to move downwards and pushes the sealant blocks to move towards two sides, at the moment, the vacuumizing device performs vacuumizing operation, the liquid injection needle performs liquid injection operation, after the liquid injection operation is completed, the liquid injection needle moves upwards, the expansion spring recovers the initial state, the two sealant blocks are pushed to move towards the middle, and the two sealant blocks are closed to form a sealing body, at the moment, residual electrolyte in the liquid injection needle is difficult to drip.
Compared with the prior art, the device has the advantages that the structure is simple, the design is reasonable, the phenomenon that electrolyte drops remained in the needle head drop to the outside of the battery shell after the liquid injection needle injects liquid is effectively avoided, volatilization of the electrolyte and corrosion to the battery shell are avoided, the safety of the battery in the transportation and use processes is effectively improved, and good economic benefits are achieved.
Drawings
Fig. 1 is a sectional view of a drip-proof battery cell liquid injection mechanism.
Description of reference numerals:
1. a liquid injection needle 2, a vacuum shell 3, a sealing washer 4, a telescopic spring 5, a sealing rubber block 6 and a battery shell,
21. a vacuum cavity 22, a vacuum channel 23, a boss 24, a wedge-shaped rubber block 25, a first through hole 26 and a second through hole,
31. a gasket base 32, an annular rubber ring.
Detailed Description
The following description of the embodiments of the present invention refers to the accompanying drawings and examples:
it should be noted that the structures, proportions, sizes, and other dimensions shown in the drawings and described in the specification are only for the purpose of understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined by the following claims, and any modifications of the structures, changes in the proportions and adjustments of the sizes, without affecting the efficacy and attainment of the same, are intended to fall within the scope of the present disclosure.
In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Example (b): with reference to fig. 1, the liquid injection mechanism for the drip-proof battery core comprises: the device comprises a liquid injection needle 1, a vacuum shell 2, a sealing washer 3, a telescopic spring 4, a sealing rubber block 5 and a battery shell 6.
The inside hollow vacuum cavity 21 that is inside of vacuum housing 2, coaxial first through-hole 25 and second through-hole 26 have been seted up respectively to its upper and lower both ends, wear to be equipped with in first through-hole 25 and the second through-hole 26 and annotate liquid needle 1, the bottom of vacuum housing 2 is equipped with seal ring 3 with the top of battery case 6, two sealed gum pieces 5 that are located annotate liquid needle 1 below set up in the inboard of seal ring 3 relatively to be connected with the annular rubber circle 32 in the seal ring 3 through expanding spring 4.
Further, the vacuum casing 2 further includes: vacuum channel 22, boss 23 and wedge rubber circle 24, the top of vacuum housing 2 is equipped with vacuum channel 22, and vacuum channel 22 is connected with the height above sea level pump, and the lower terminal surface of vacuum housing 2 is provided with boss 23, and wedge rubber circle 24 is to installing the lower terminal surface at boss 23 mutually, and its inclined plane is seted up in the outer lane of wedge rubber circle looks 24.
Further, the sealing gasket 3 further includes: the gasket base 31 and the annular rubber ring 32 are arranged above the gasket base 31, and the diameter of the annular rubber ring is larger than the inner diameter of the gasket base 31 and smaller than the outer diameter of the gasket base 31.
The working principle of the utility model is as follows: when annotating liquid needle 1 and annotating the liquid operation, annotate liquid needle 1 when for vacuum casing 2 downstream, vacuum casing 2's lower extreme butt on annotating the liquid hole on battery case 6, annotate liquid needle 1 and continue downstream, and promote sealed gluey piece 5 and move to both sides, evacuating device carries out the evacuation operation this moment, annotate liquid needle 1 and annotate the liquid operation, after accomplishing annotate the liquid operation, annotate liquid needle 1 and move upwards, expanding spring 4 resumes initial condition, promote two sealed gluey pieces 5 and move to the centre, close into a seal, at this moment, annotate remaining electrolyte just is difficult to the drippage in the liquid needle 1.
Claims (3)
1. Liquid mechanism is annotated to electric core of antidrip liquid, its characterized in that includes: the device comprises a liquid injection needle (1), a vacuum shell (2), a sealing washer (3), a telescopic spring (4), a sealing rubber block (5) and a battery shell (6);
the vacuum pump is characterized in that an inner hollow vacuum cavity (21) is arranged inside the vacuum shell (2), a first through hole (25) and a second through hole (26) which are coaxial are respectively formed in the upper end and the lower end of the vacuum shell, the liquid injection needle (1) penetrates through the first through hole (25) and the second through hole (26), the sealing washer (3) is arranged above the battery shell (6) and located below the liquid injection needle (1), the sealing rubber blocks (5) are oppositely arranged on the inner side of the sealing washer (3), and the sealing washer is connected with the annular rubber ring (32) in the sealing washer (3) through the expansion spring (4).
2. The drip-proof battery cell filling mechanism according to claim 1, wherein the vacuum casing (2) further comprises: vacuum passageway (22), boss (23) and wedge rubber circle (24), the top of vacuum housing (2) is equipped with vacuum passageway (22), vacuum passageway (22) are connected with the height above sea level pump, the lower terminal surface of vacuum housing (2) is provided with boss (23), wedge rubber circle (24) are installed relatively at the lower terminal surface of boss (23), and its inclined plane is seted up in the outer lane of wedge rubber circle (24).
3. The drip-proof battery cell filling mechanism according to claim 1, wherein the sealing gasket (3) further comprises: the rubber gasket comprises a gasket base (31), wherein an annular rubber ring (32) is arranged above the gasket base (31), and the diameter of the annular rubber ring is larger than the inner diameter of the gasket base (31) and smaller than the outer diameter of the gasket base (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122361839.6U CN216312008U (en) | 2021-09-28 | 2021-09-28 | Liquid-dropping-proof electric core liquid injection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122361839.6U CN216312008U (en) | 2021-09-28 | 2021-09-28 | Liquid-dropping-proof electric core liquid injection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216312008U true CN216312008U (en) | 2022-04-15 |
Family
ID=81112925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122361839.6U Active CN216312008U (en) | 2021-09-28 | 2021-09-28 | Liquid-dropping-proof electric core liquid injection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216312008U (en) |
-
2021
- 2021-09-28 CN CN202122361839.6U patent/CN216312008U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202905851U (en) | Sealing structure of injection hole of battery | |
| CN216312008U (en) | Liquid-dropping-proof electric core liquid injection mechanism | |
| CN103352679B (en) | Device and method for filling foam drainage agent automatically under shaft | |
| CN102709512A (en) | Liquid injection method of cylindrical lithium ion battery | |
| CN110504405A (en) | A kind of priming device | |
| CN202817036U (en) | Lithium ion battery with PP (Propene Polymer) plastic shell | |
| CN208955099U (en) | Vacuum liquid injecting machine is used in a kind of production of lithium battery | |
| CN203871419U (en) | Battery injection device | |
| CN217215037U (en) | Positive electrode slurry supply device of cobalt-free lithium ion battery | |
| CN210182481U (en) | Cylindrical lithium ion battery liquid injection device | |
| CN212171069U (en) | Prefabricated insulating tube foaming technology end shutoff structure | |
| CN208690432U (en) | A kind of production line of alkaline battery | |
| CN218677477U (en) | Positioning packaging plastic part structure for lithium battery | |
| CN208173679U (en) | Soft Roll lithium titanate battery automatic exhaust steam valve | |
| CN218448384U (en) | Liquid injection device capable of preventing liquid dropping | |
| CN203406371U (en) | Battery liquid injection device | |
| CN203406372U (en) | Drop-proofing battery filling device | |
| CN110993372A (en) | Ultracapacitor system apron liquid feeding mechanism | |
| CN219666488U (en) | Annotate liquid stopper installation device | |
| CN212113765U (en) | Battery and cover cap for battery | |
| CN201466152U (en) | Liquid injection device for preventing lithium ion battery from pre-forming electrolyte to be lost | |
| CN103400961A (en) | Battery electrolyte infusing device | |
| CN219860567U (en) | Liquid filling equipment | |
| CN216120675U (en) | Battery case, battery monomer, battery module and consumer | |
| CN212745034U (en) | Caisson water injection hole sealing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 264003 No. 506, Sino Russian science and Technology Innovation Park, No. 8, No. 39, science and technology Avenue, high tech Zone, Yantai City, Shandong Province Patentee after: Yantai lile Intelligent Equipment Co.,Ltd. Address before: 264003 No. 506, Sino Russian science and Technology Innovation Park, No. 8, No. 39, science and technology Avenue, Fushan District, Yantai City, Shandong Province Patentee before: Yantai lile Intelligent Equipment Co.,Ltd. |