CN201898176U - Injection-molding structure of battery - Google Patents
Injection-molding structure of battery Download PDFInfo
- Publication number
- CN201898176U CN201898176U CN2010202384198U CN201020238419U CN201898176U CN 201898176 U CN201898176 U CN 201898176U CN 2010202384198 U CN2010202384198 U CN 2010202384198U CN 201020238419 U CN201020238419 U CN 201020238419U CN 201898176 U CN201898176 U CN 201898176U
- Authority
- CN
- China
- Prior art keywords
- plastic parts
- injection structure
- battery
- battery according
- injection
- 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.)
- Expired - Fee Related
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model provides an injection-molding structure of a battery, comprising a head part sheet, a protective plate, a glue-injection material, a plastic part, a battery cell and a steel sheet for wrapping the battery cell, wherein the plastic part is buckled into the steel sheet, the glue-injection material is separated from the battery cell by the plastic part. By adopting the design of the utility model, the added plastic part can well prevent the glue-injection material from entering a surface space of the battery cell, so as to realize that the high-temperature glue only can be contacted with the designed plastic part when in mold injection and ensure that the battery cell is not affected by high-temperature glue material during injection molding.
Description
Technical field
The utility model relates to a kind of injection structure of battery.
Background technology
At present; the built-in injecting glue battery design of polymer Li-ion scheme mainly is that electric core is wrapped up a kind of steel disc (can satisfy the face shaping of customer requirement and increase the hardness of electric core); requirement according to client's appointment designs portion's shape end to end then; form one with electric core, protective circuit, be placed at last and carry out injection moulding in the mould that designs.Shown in Fig. 1 a, 1b, in head sheet 1 ' and baffle 2 ' below, form the space between moulding steel disc 3 ' and the electric core 4 ', be used for injecting glue.
After the trend and the production of batch property along with the continuous development of injecting glue battery, also produce the bad problem of many qualities, it is mainly reflected in the following aspects:
1. the glue that overflows behind the injecting glue causes bad order;
2. the injecting glue size is stable inadequately;
3. electric core both positive and negative polarity easily and steel disc is short-circuited and the electric leakage situation;
4. the sizing material of high temperature (temperature is about 230 °) directly touches electric core in the injection moulding, influences the performance of electric core.
Therefore, prior art awaits improving and development.
The utility model content
The purpose of this utility model is to provide the injection structure of the better battery of a kind of quality.
The technical solution of the utility model is as follows:
A kind of injection structure of battery comprises the steel disc of head sheet, baffle, injecting glue material, plastic parts, electric core and parcel electricity core, and wherein, described plastic parts snaps in described steel disc, separates by described plastic parts between described injecting glue material and the electric core.
The injection structure of described battery, wherein, porose position on the described plastic parts, the lug of described electric core passes the described baffle welding of described Kong Weiyu.
The injection structure of described battery, wherein, the space between the described lug of described Kong Weiyu is filled with Instant cement.
The injection structure of described battery, wherein, the quantity of position, described hole is 2.
The injection structure of described battery wherein, has gear on the described plastic parts, and described plastic parts is fixed in the described steel disc by gear.
The injection structure of described battery, wherein, described gear comprises horizontal gear and vertical gear.
The injection structure of described battery wherein, has button bit on the described head sheet, and described baffle and above-mentioned button bit interlock, and are fixed in the described head sheet.
The injection structure of described battery wherein, has gum-injecting port on the described head sheet.
Adopt such scheme, the utility model can be resolved following problem by this plastic parts of design:
1. because the plastic parts that designs, can control the injecting glue space of injecting glue material well, make it to flow to the steel disc position, thereby solved the bad order problem of battery.
2. added the plastic parts that designs, can guarantee to be in absolute disconnection between the positive and negative electrodes in same steel disc of electric core, and the possibility of battery short circuit or electric leakage can not take place.
3. can separate electric core with contacting between the injecting glue material by the plastic parts that assembles, avoid the influence of electric core performance.
4. behind the adding plastic parts, the head plastic parts can guarantee that with space, no gap between the electric core entire length size is not influenced by injecting glue, can control length dimension well.
Description of drawings
Fig. 1 a is the end view of the battery injection structure of prior art;
Fig. 1 b is the partial enlarged drawing of Fig. 1 a;
Fig. 2 a is the end view of battery injection structure of the present utility model;
Fig. 2 b is the partial enlarged drawing of Fig. 2 a;
Fig. 3 is the explosive view of the utility model battery injection structure;
Fig. 4 a is first stereogram of the plastic parts of the utility model battery;
Fig. 4 b is second stereogram of the plastic parts of the utility model battery.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in further detail.
The utility model improves present injection structure quality undesirable condition by plastic parts structure of design on battery.
The head construction of parcel steel disc 3 back electrostrictive polymer cores 4 shown in Fig. 2 a, 2b, in all gapped space of electric six faces of core 4 head positions, the utility model utilizes the clearance space between steel disc 3 and the electric core 4 to design what a plastic parts 5 and snaps in this clearance space, and utilizes 3 pairs of plastic parts 5 of steel disc of forming to position.Fig. 3 has provided the explosive view of the utility model battery assembling, and the lug 41 of wherein electric core 4 is relatively thinner metal materials, can bend.After electric core 4 and moulding steel disc 3 are finished assembling, just plastic parts 5 can be positioned in the gap of electric core 4 and steel disc 3, wherein, vertical gear 51 in the plastic parts 5 and horizontal gear 52 act on the vertical and horizontal of steel disc respectively, fix, gear.
During installation; lug 41 being passed 53 backs, position, two holes of plastic parts 5 shown in Fig. 4 a, the 4b adopts Instant cement to seal to position, two holes 53; after treating that it firmly; the welding position 21 of lead-out terminal 22 reverse side in cell polar ear 41 and the baffle 2 is welded; after the welding button bit 12 in baffle 2 and the head sheet 1 is interlocked, make baffle 2 and the head sheet 1 can be tentatively fixing.Wherein cell polar ear 41 quantity are 2, and welding position 21 quantity also are 2, and the quantity of position, hole can be 1, also can be 2.
After battery pack is dressed up semi-finished product, be placed in the mould and carry out the injecting glue moulding by 11 pairs of batteries of the gum-injecting port in the head sheet 1, inject injecting glue material 6.
Because the plastic parts 5 that the utility model design adds has well blocked the injecting glue material and has entered electric wicking surface space, thereby the sizing material of high temperature can only contact with the plastic parts 5 that designs when having realized injection moulding, can guarantee that electric core 4 is not subjected to the sizing material influence of high temperature when carrying out injection moulding; In addition, can also control the injecting glue space of injecting glue material 6 well, make it to flow to steel disc 3 positions, thereby solved the bad order problem of battery; Because the lug 41 of electric core 4 can not contact steel disc 3 by 2 welding of the Kong Weiyu baffle on the plastic parts 5, therefore can guarantee to be in absolute disconnection between the positive and negative electrodes in same steel disc of electric core, and the possibility of battery short circuit or electric leakage can not take place; In addition, add plastic parts 5 after, head sheet 1 can guarantee that with space, no gap between the electric core 4 the entire length size is not influenced by injecting glue, can control length dimension well.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection range of the utility model claims.
Claims (1)
1. the injection structure of a battery comprises the steel disc of head sheet, baffle, injecting glue material, plastic parts, electric core and parcel electricity core it is characterized in that described plastic parts snaps in described steel disc, separates by described plastic parts between described injecting glue material and the electric core.
2. the injection structure of battery according to claim 1 is characterized in that, porose position on the described plastic parts, and the lug of described electric core passes the described baffle welding of described Kong Weiyu.
3. the injection structure of battery according to claim 2 is characterized in that, the space between the described lug of described Kong Weiyu is filled with Instant cement.
4. the injection structure of battery according to claim 2 is characterized in that, the quantity of position, described hole is 2.
5. the injection structure of battery according to claim 1 is characterized in that, on the described plastic parts gear is arranged, and described plastic parts is fixed in the described steel disc by gear.
6. the injection structure of battery according to claim 5 is characterized in that, described gear comprises horizontal gear and vertical gear.
7. the injection structure of battery according to claim 1 is characterized in that, on the described head sheet button bit is arranged, and described baffle and described button bit interlock, and is fixed in the described head sheet.
8. the injection structure of battery according to claim 1 is characterized in that, on the described head sheet gum-injecting port is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202384198U CN201898176U (en) | 2010-06-22 | 2010-06-22 | Injection-molding structure of battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202384198U CN201898176U (en) | 2010-06-22 | 2010-06-22 | Injection-molding structure of battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201898176U true CN201898176U (en) | 2011-07-13 |
Family
ID=44256067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202384198U Expired - Fee Related CN201898176U (en) | 2010-06-22 | 2010-06-22 | Injection-molding structure of battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201898176U (en) |
-
2010
- 2010-06-22 CN CN2010202384198U patent/CN201898176U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110713 Termination date: 20190622 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |