CN205177960U - Lithium ion battery - Google Patents
Lithium ion battery Download PDFInfo
- Publication number
- CN205177960U CN205177960U CN201520950988.8U CN201520950988U CN205177960U CN 205177960 U CN205177960 U CN 205177960U CN 201520950988 U CN201520950988 U CN 201520950988U CN 205177960 U CN205177960 U CN 205177960U
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- CN
- China
- Prior art keywords
- lithium ion
- top cover
- ion battery
- circuit board
- battery core
- 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.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Sealing Battery Cases Or Jackets (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model relates to a technical field of battery provides a lithium ion battery, including the top cap, with header connection's electric core and circuit board, the top cap has towards electric core open -ended storage tank, and the circuit board is connected on the top cap and is sealed the opening of storage tank, leave between electricity core and the top cap and be used for the predetermined gap that moulds plastics, the top cap is formed with the division board in the storage tank, the division board is separated the first region that becomes to be used for to install the metal terminal with this storage tank and be used for storing the second area by the marginal sizing material of moulding plastics that flows into of circuit board when being moulded plastics, and the top cap is formed with at least one and keeps off offset plate in the second area. Compared with the prior art, the utility model provides a lithium ion battery has improved the qualification rate and the uniformity of product, avoids the first regional because of stifled glue leads to the fact the product to scrap of when moulding plastics installation metal terminal totally, has reduced whole off -the -shelf cost.
Description
Technical field
The utility model relates to the technical field of battery, especially relates to a kind of lithium ion battery.
Background technology
At present, along with electronic digital end product, kind as smart mobile phone, portable power source, panel computer, sound equipment, Intelligent bracelet, medicine equipment, lighting apparatus, mobile POS etc. gets more and more, using more and more extensive, providing the battery requirements of electric energy to increase severely for giving these electronic digital terminating machines.
Battery is the core component in various digital product, traditional plug-in type injection-molding phone battery is (in order to uniform technical term, below be referred to as lithium ion battery) due to cell top end plastic portions hardness low, there is battery cephalosome cut in product, injection moulding starved, the problems such as not full are filled in injection moulding space, and mainly the metal terminal of battery easily blocks up glue when injection moulding, whole battery is caused to be scrapped, and metal terminal unrepairable.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of lithium ion battery, is intended to solve in prior art, and the metal terminal existed because of battery is installed station and stifled glue occurred, with the defect causing whole battery to be scrapped when injection moulding.
For solving the problems of the technologies described above, the lithium ion battery that the utility model provides, comprises top cover, the battery core be connected with described top cover and circuit board; Described top cover has the storage tank towards described battery core opening, and described circuit board is connected to the described opening described top cover also being closed described storage tank; The predetermined gap for injection moulding is left between described battery core and described top cover; Described top cover is formed with demarcation strip in described storage tank, storage tank described in this is separated into the first area for installing metal terminal and is used for storing the second area of the injection moulding sizing material flowed into by the edge of described circuit board when injection moulding by described demarcation strip, and described top cover is formed with at least one rubber block in described second area.
Further, the quantity of described rubber block is multiple, and this second area is separated into multiple marker space by multiple described rubber block, and multiple described marker space is arranged side by side.
Further, described circuit board has towards the first surface of described battery core and the second surface relative with described first surface, and described second surface abuts with the outer face of described demarcation strip and the outer face of described rubber block respectively.
Further, insulation spacer is provided with between described first surface and described battery core.
Further, described circuit board and described battery core are electrically connected by nickel sheet.
Further, described lithium ion battery also comprise be coated on described battery core periphery and the labeling of both ends open cover and egative film, described egative film be covered in described labeling cover one end open place, described in described top cover capping labeling cover other end opening part.
Further, be provided with double faced adhesive tape between described egative film and described battery core, described egative film is fixedly connected on the bottom face of described battery core by described double faced adhesive tape.
Be compared with the prior art, the lithium ion battery that the utility model provides, adopt, at top cover, rubber block is set in second area, the injection moulding sizing material flowed fast on circuit boards when blocking injection moulding with this, thus avoid mould-injection material to flow in first area, and then stopped injection moulding sizing material by first area cover block, above-mentioned lithium ion battery whole technique manufacturing process does not increase any operation and station, finally improve qualification rate and the consistency of product, the first area of installing metal terminal when injection moulding is avoided to cause product rejection because of stifled glue completely, reduce the cost of whole finished product.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the lithium ion battery that the utility model embodiment provides;
Fig. 2 is the cross-sectional schematic in I-I face in Fig. 1;
Fig. 3 is the decomposing schematic representation of the lithium ion battery that the utility model embodiment provides;
Fig. 4 is the schematic perspective view of the top cover that the utility model embodiment provides.
Main element symbol description
100: lithium ion battery 1: top cover
2: battery core 3: circuit board
11: storage tank 11a: the opening of storage tank
10a: predetermined gap 12: demarcation strip
13: first area 14: second area
15: rubber block 131: terminal cavities
132: open-work 141: marker space
31: first surface 32: second surface
4: insulation spacer 5: nickel sheet
6: labeling cover 7: egative film
8: double faced adhesive tape
Embodiment
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Below in conjunction with concrete accompanying drawing, realization of the present utility model is described in detail.
As shown in Figure 1 to Figure 4, shown in, be the preferred embodiment that the utility model provides.
The lithium ion battery 100 that the present embodiment provides, it comprises top cover 1, the battery core 2 be connected with top cover 1 and circuit board 3.Top cover 1 has the storage tank 11 towards battery core 2 opening 11a, and circuit board 3 is connected to opening 11a top cover 1 also being closed storage tank 11.The predetermined gap 10a for injection moulding is left between battery core 2 and top cover 1.Top cover 1 is formed with demarcation strip 12 in storage tank 11, demarcation strip 12 this storage tank 11 is separated into first area 13 for installing metal terminal (scheming not shown) and when injection moulding for storing the second area 14 of the injection moulding sizing material flowed into by the edge of circuit board 3, top cover 1 is formed with at least one rubber block 15 in second area 14.Above-mentioned all parts composition semi-finished product battery is put into injection mold (scheming not shown), during injection moulding, sizing material is from the predetermined gap 10a between battery core 2 and top cover 1 by low-pressure injection molding technology, once after shaping for semi-finished product battery mould filling, carries out testing package again.In injection moulding process, a small amount of injection moulding sizing material can flow in second area 14 through the gap between circuit board 3 and top cover 1, rubber block 15 can effectively stop injection moulding sizing material, a small amount of injection moulding sizing material is stored in this second area 14, the phenomenon flowing to first area 13 to avoid mould-injection material and cause stifled glue.
Above-mentioned lithium ion battery 100, adopt, at top cover 1, rubber block 15 is set in second area 14, the injection moulding sizing material flowed fast on circuit board 3 when blocking injection moulding with this, thus avoid mould-injection material to flow in first area 13, stop injection moulding sizing material first area 13 covering is blocked, above-mentioned lithium ion battery 100 whole technique manufacturing process does not increase any operation and station, finally improve qualification rate and the consistency of product, the first area 13 of installing metal terminal when injection moulding is avoided to cause product rejection because of stifled glue completely, reduce the cost of whole finished product.
For sake of convenience, hereinafter alleged " left side " " right side " " on " D score to consistent, but do not play restriction effect to structure of the present utility model with left and right, the upper and lower of accompanying drawing itself.
In the present embodiment, lithium ion battery 100, the circuit board 3 comprising top cover 1, the battery core 2 be connected with top cover 1 and be arranged between the two.
See Fig. 1 and Fig. 2, top cover 1 is arranged on the top ends of battery core 2, top cover 1 tool storage tank 11, and storage tank 11 is (namely towards battery core 2 direction) opening 11a down.In the present embodiment, storage tank 11 extends to top cover 1 right-hand member from the left end of top cover 1, and the shape of cross section of storage tank 11 is rectangle, matches with circuit board 3, and circuit board 3 is arranged on the opening 11a of also base closed storage tank 11 in storage tank 11.
Top cover 1 is formed with demarcation strip 12 on storage tank 11 inwall, can find out from Fig. 2 to Fig. 4, and storage tank 11 is separated into first area 13 and second area 14 by demarcation strip 12.First area 13, for installing metal terminal (as golden finger etc.), first area 13 comprises three terminal cavities 131 (certainly, the quantity of terminal cavities 131 can carry out increasing or reducing as required), each terminal cavities 131 can be provided with a metal terminal respectively, on the end face of second area 14, offer three open-works 132 at top cover 1, each open-work 132 supplies the terminal in each terminal cavities 131 external outside at top cover 1 respectively.Second area 14, when injection moulding for storing the injection moulding sizing material flowed into by the edge of circuit board 3, second area 14 is positioned at the left side of first area 13.Top cover 1 is formed with rubber block 15 on second area 14 inwall, the quantity of rubber block 15 is but is not limited to two (quantity of rubber block 15 can increase according to the length of top cover 1 in second area 14 or reduce), this second area 14 is separated into three respective independently marker spaces 141,141, three, marker space and is arranged side by side by two rubber blocks 15.
Circuit board 3 is but is not limited to pcb board, the first surface 31 that it has down (namely towards battery core 2) and the second surface 32 relative with first surface 31, second surface 32 abuts with the outer face of demarcation strip 12 and the outer face of rubber block 15 respectively, like this, each marker space 141 forms closed space substantially.
Battery core 2, for storage of electrical energy, an insulation spacer 4 is provided with between the end face of battery core 2 and the first surface 31 of circuit board 3, circuit board 3 is supported by this insulation spacer 4, insulation spacer 4 has certain thickness, like this, after top cover 1 is connected with battery core 2, be formed with predetermined gap 10a between top cover 1 and battery core 2, this predetermined gap 10a is used for mould filling.In injection moulding process, a small amount of injection moulding sizing material can first flow in the leftmost marker space 141 of second area 14 through the gap between circuit board 3 and top cover 1, enter the injection moulding sizing material of this marker space 141 when moving right along the components and parts on circuit board 3 second surface 32, two rubber blocks 15 once stop injection moulding sizing material and secondary stop respectively, thus, stop the sizing material of flowing to flow to three terminal cavities 131 in the right.
See Fig. 2 and Fig. 3, in an embodiment, the top of battery core 2 is also provided with a pair nickel sheet 5, and circuit board 3 connects the both positive and negative polarity of battery core 2 respectively by two nickel sheet 5, and battery core 2 and circuit board 3 weld to be formed by these two nickel sheet 5 and be electrically connected.
Certainly, according to actual conditions and demand, also can be electrically connected by other means between battery core 2 with circuit board 3.
In the present embodiment, lithium ion battery 100 also comprises the labeling cover 6 of both ends open, and this labeling cover 6 is coated on the periphery of battery core 2, in addition, the opening part capping that labeling overlaps 6 bottoms has egative film 7, and the geomery that the geomery of this egative film 7 and this labeling overlap 6 bottom end openings matches.Like this, by labeling cover 6 coated on the periphery of battery core 2, be convenient to print publicity product information, also improve the aesthetic of Total Product.
In the present embodiment, double faced adhesive tape 8 is provided with between the bottom of egative film 7 and battery core 2, the two sides bonding egative film 7 of difference of this double faced adhesive tape 8 and the end face of battery core 2 bottom, like this, by double faced adhesive tape 8, egative film 7 is connected with battery core 2, this kind of bonding mode both facilitated, also firm, also a saving cost simultaneously.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all do within spirit of the present utility model and principle any amendment, equivalent to replace or improvement etc., all should be included within protection range of the present utility model.
Claims (7)
1. a lithium ion battery, is characterized in that, comprises top cover, the battery core be connected with described top cover and circuit board; Described top cover has the storage tank towards described battery core opening, and described circuit board is connected to the described opening described top cover also being closed described storage tank; The predetermined gap for injection moulding is left between described battery core and described top cover; Described top cover is formed with demarcation strip in described storage tank, storage tank described in this is separated into the first area for installing metal terminal and is used for storing the second area of the injection moulding sizing material flowed into by the edge of described circuit board when injection moulding by described demarcation strip, and described top cover is formed with at least one rubber block in described second area.
2. lithium ion battery according to claim 1, is characterized in that, the quantity of described rubber block is multiple, and this second area is separated into multiple marker space by multiple described rubber block, and multiple described marker space is arranged side by side.
3. lithium ion battery according to claim 2, it is characterized in that, described circuit board has towards the first surface of described battery core and the second surface relative with described first surface, and described second surface abuts with the outer face of described demarcation strip and the outer face of described rubber block respectively.
4. lithium ion battery according to claim 3, is characterized in that, is provided with insulation spacer between described first surface and described battery core.
5. lithium ion battery according to claim 1, is characterized in that, described circuit board and described battery core are electrically connected by nickel sheet.
6. lithium ion battery according to any one of claim 1 to 5, it is characterized in that, described lithium ion battery also comprise be coated on described battery core periphery and the labeling of both ends open cover and egative film, described egative film is covered in the one end open place of described labeling cover, the other end opening part of labeling cover described in described top cover capping.
7. lithium ion battery according to claim 6, is characterized in that, is provided with double faced adhesive tape between described egative film and described battery core, and described egative film is fixedly connected on the bottom face of described battery core by described double faced adhesive tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520950988.8U CN205177960U (en) | 2015-11-25 | 2015-11-25 | Lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520950988.8U CN205177960U (en) | 2015-11-25 | 2015-11-25 | Lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205177960U true CN205177960U (en) | 2016-04-20 |
Family
ID=55741903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520950988.8U Active CN205177960U (en) | 2015-11-25 | 2015-11-25 | Lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205177960U (en) |
-
2015
- 2015-11-25 CN CN201520950988.8U patent/CN205177960U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 518000 3rd floor, area a, building 3, Huiye Science Park, sightseeing Road, Tangjia community, Fenghuang street, Guangming District, Shenzhen City, Guangdong Province Patentee after: Shenzhen youteli Energy Co.,Ltd. Address before: 3 / F, building 3a, Huiye Science Park, sightseeing Road, Guangming New District, Shenzhen, Guangdong 518000 Patentee before: SHENZHEN UTILITY POWER SOURCE Co.,Ltd. |