CN207052637U - Electrokinetic cell top cover - Google Patents
Electrokinetic cell top cover Download PDFInfo
- Publication number
- CN207052637U CN207052637U CN201720648988.1U CN201720648988U CN207052637U CN 207052637 U CN207052637 U CN 207052637U CN 201720648988 U CN201720648988 U CN 201720648988U CN 207052637 U CN207052637 U CN 207052637U
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- China
- Prior art keywords
- plastic
- coping plate
- circle
- electrokinetic cell
- top cover
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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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Abstract
The utility model discloses a kind of electrokinetic cell top cover, including coping plate, positive terminal, negative terminal, conductive plastic circle and insulated plastic cushion rubber；Coping plate includes top surface, bottom surface and two mounting holes, and positive terminal and negative terminal are arranged in a mounting hole respectively, and conductive plastic circle/insulated plastic snare is located at the periphery of positive terminal/negative terminal and inconsistent with the top surface of coping plate；Several are offered on coping plate has the plastic cement circle hole of predetermined depth, and plastic cement circle hole is less than internal aperture in the aperture of top surface；Conductive plastic circle and/or insulated plastic cushion rubber is convex is provided with some locating dowels, and the cross-sectional diameter of locating dowel is more than the minimum-value aperture of plastic cement circle hole.In the utility model embodiment, the plastic cement circle hole of multiple tapered structures is offered on coping plate, conductive plastic circle and insulated plastic cushion rubber are provided with multiple locating dowels for being embedded in plastic cement circle hole, add the contact force of plastic tube and coping plate, rotate or loosen after effectively preventing pole stress, improve the reliability and air-tightness of battery cap.
Description
Technical field
It the utility model is related to electrokinetic cell field, more particularly to a kind of electrokinetic cell top cover.
Background technology
With the continuous development of modern society and the continuous enhancing of people's environmental consciousness, increasing equipment selection is with lithium
For battery as working power, such as mobile phone, notebook computer, electric tool and electric automobile etc., this is the development of lithium battery
Provide wide space.Wherein, lithium battery used in electric tool and electric automobile etc. is commonly known as electrokinetic cell.
Aluminium has been widely used in electrokinetic cell due to having the advantages that cost is low, in light weight and good heat dissipation
As housing.But certain difference be present between the current potential and anode current potential due to aluminium, therefore do not turned on anode
Aluminum hull be easy to etching problem occur in bottom；Although the directly conducting of aluminum hull and positive terminal can be eliminated into the potential difference of the two
And avoid aluminum hull from corroding, but can make it that the resistance between positive pole and aluminum hull is changed into milliohm rank, short circuit occurs for this battery
When loop current it is very big, so easily occurring striking sparks and triggering batteries caught fire, larger potential safety hazard be present.
In order to solve the above problems, current electrokinetic cell generally adds between the coping plate of aluminum hull and battery positive pole
Conductive plastic increases the conducting resistance between aluminum hull and positive pole, at the same time, is added between battery negative column and coping plate
Insulated plastic causes negative terminal and coping plate insulation arrangement.However, conductive plastic/contact between insulated plastic and coping plate
Power is not big enough so that pole is easily rotated or loosened because of stress, so as to reduce the reliability of battery cap and air-tightness.
Utility model content
The purpose of this utility model is to provide a kind of electrokinetic cell top cover, overcomes coping plate existing for prior art with leading
Contact forces small the defects of causing pole easily to loosen of electric plastic cement/insulated plastic, ensure the reliability and air-tightness of battery cap.
To use following technical scheme up to this purpose, the utility model：
A kind of electrokinetic cell top cover, including coping plate, positive terminal, negative terminal, conductive plastic circle and insulated plastic cushion rubber；Institute
Stating coping plate includes top surface, the bottom surface relative with top surface and two mounting holes that bottom surface is through to by top surface, the positive terminal
Be arranged in respectively in a mounting hole with negative terminal, the conductive plastic snare located at positive terminal periphery and with the top surface of coping plate
Inconsistent, the insulated plastic snare is located at the periphery of negative terminal and inconsistent with the top surface of coping plate；
On the coping plate, the plastic tube that offering several along the excircle of the mounting hole has predetermined depth positions
Hole, and the plastic cement circle hole is less than internal aperture in the aperture of top surface；
On the conductive plastic circle and/or insulated plastic cushion rubber, in its resistance surface with the coping plate, it is convexly equipped with some
Locating dowel corresponding with the plastic cement circle hole, and the cross-sectional diameter of the locating dowel is more than the minimum of plastic cement circle hole
Aperture.
Optionally, on the conductive plastic circle and/or insulated plastic cushion rubber, in its resistance surface with coping plate, along described
The inner periphery of mounting hole is formed with annular boss；In the conductive plastic snare located at the periphery of positive terminal or the insulated plastic
When cushion rubber is sheathed on the periphery of negative terminal, the inwall and positive terminal/negative terminal of the annular boss are inconsistent, the annular boss
Outer wall and coping plate it is inconsistent.
Optionally, the aperture of the plastic cement circle hole is gradually increased downwards by the top surface of the coping plate.
Optionally, the plastic cement circle hole is in conical structure.
Optionally, the conductive plastic circle is molded in the periphery of the positive terminal, and the insulated plastic cushion rubber is molded into
Type is in the periphery of the negative terminal.
Optionally, excircle of the plastic cement circle hole along the mounting hole is evenly distributed.
Optionally, on the coping plate, several plastic tube locating slots are respectively equipped with along the excircle of each mounting hole；
On the conductive plastic circle and insulated plastic cushion rubber, in its resistance surface with coping plate, be convexly equipped with respectively it is some with
The locating piece that the plastic tube locating slot is adapted；
In the conductive plastic snare located at the periphery of positive terminal or the insulated plastic snare located at the outer of negative terminal
Zhou Shi, in plastic tube locating slot corresponding to locating piece insertion.
Optionally, the positive terminal includes positive pole cylinder and is connected to the positive pole bottom plate of positive pole cylinder bottom；The negative pole
Post includes negative pole cylinder and is connected to the negative pole bottom plate of negative pole cylinder bottom；
The positive pole cylinder of the positive terminal and the negative pole cylinder of negative terminal are located in corresponding mounting hole respectively, and described
The upper end of positive pole cylinder and negative pole cylinder is located under the bottom surface of coping plate beyond top surface, positive pole bottom plate and the negative pole bottom plate of coping plate
Side.
Optionally, the bottom of the positive pole cylinder and the periphery of negative pole cylinder are arranged with a sealing ring respectively；It is described just
When pole body/negative pole cylinder is located in corresponding mounting hole, the sealing ring is located at the positive pole bottom plate/negative pole bottom plate and top
Between cover plate.
Optionally, the electrokinetic cell top cover also includes two insulated plastic offset plates, is respectively sleeved at positive pole bottom plate and negative pole
Outside bottom plate.
The beneficial effects of the utility model：
The plastic cement circle hole of multiple tapered structures, conduction modeling are offered in the utility model embodiment, on coping plate
Cushion rubber and insulated plastic cushion rubber are provided with multiple locating dowels being embedded in plastic cement circle hole, annular boss are additionally provided with, in plastic cement
When circle, pole and coping plate are assemblied in integral, the contact force of plastic tube and coping plate can be greatly increased, effectively prevents pole stress
Rotate or loosen afterwards, improve the reliability and air-tightness of battery cap.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the stereogram for the electrokinetic cell top cover that the utility model embodiment provides；
Fig. 2 is the explosive view for the electrokinetic cell top cover that the utility model embodiment provides；
Fig. 3 is the sectional view for the electrokinetic cell top cover that the utility model embodiment provides；
Fig. 4 is the top surface structure view for the coping plate that the utility model embodiment provides；
Fig. 5 is the stereogram for conductive plastic circle/insulated plastic cushion rubber that the utility model embodiment provides；
Illustrate：Coping plate 1, positive terminal 2, negative terminal 3, conductive plastic circle 4, plastic plastic tube 5, sealing ring 6, insulation
Plastic plate 7, mounting hole 11, plastic tube locating slot 12, plastic cement circle hole 14, positive pole cylinder 21, positive pole bottom plate 22, negative pole cylinder
31st, negative pole bottom plate 32, locating piece 41, locating dowel 42, annular boss 43, locating piece 51, locating dowel 52, annular boss 53.
Embodiment
, below will knot to enable purpose of utility model of the present utility model, feature, advantage more obvious and understandable
The accompanying drawing in the utility model embodiment is closed, the technical scheme in the embodiment of the utility model is clearly and completely described,
Obviously, the embodiments described below are only the utility model part of the embodiment, and not all embodiment.Based on this reality
With the embodiment in new, those of ordinary skill in the art are obtained all other under the premise of creative work is not made
Embodiment, belong to the scope of the utility model protection.
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by embodiment.
Fig. 1 to Fig. 3 is referred to, Fig. 1 to Fig. 3 is that the overall structure for the electrokinetic cell top cover that the present embodiment provides regards respectively
Scheme, be quick-fried according to structure chart and sectional view, can be shown by figure, the electrokinetic cell top cover of the present embodiment includes：Coping plate 1, positive terminal 2, bear
Pole 3, conductive plastic circle 4, insulated plastic cushion rubber 5.
Wherein, coping plate 1 is laminated structure, and it includes top surface and the bottom surface relative with top surface, and two are passed through by top surface
Wear to the mounting hole 11 for being used to install pole of bottom surface.Positive terminal 2 includes positive pole cylinder 21 and is connected to the bottom of positive pole cylinder 21
Positive pole bottom plate 22, negative terminal 3 includes negative pole cylinder 31 and is connected to the negative pole bottom plate 32 of the bottom of negative pole cylinder 31；Positive terminal 2
Positive pole cylinder 21 and negative terminal 3 negative pole cylinder 31 be located in respectively corresponding in mounting hole 11, and positive pole cylinder 21 and negative
The upper end of pole body 31 is located at the subjacent of coping plate 1 beyond top surface, positive pole bottom plate 22 and the negative pole bottom plate 32 of coping plate 1.
Conductive plastic circle 4 is set in the periphery of positive pole cylinder 21, and is connected to the top surface of coping plate 1, so passes through conduction
Positive terminal 2 and coping plate 1 can be conductively connected by plastic tube 4；Insulated plastic cushion rubber 5 is set in the periphery of negative pole cylinder 31, and supports
The top surface of coping plate 1 is connected to, so can negative terminal 3 and the insulation connection of coping plate 1 by insulated plastic cushion rubber 5.
Refer to shown in Fig. 4 and Fig. 5, to ensure that the stabilization between the insulated plastic cushion rubber 5 of conductive plastic circle 4/ and coping plate 1 connects
Connect, on coping plate 1, several plastic tube locating slots 12, plastic tube positioning are respectively equipped with along the excircle of each mounting hole 11
Groove 12 is recessed downwards by the top surface of coping plate 1 and formed, and can be evenly distributed, for entering to the insulated plastic cushion rubber 5 of conductive plastic circle 4/
Row positioning.Correspondingly, on conductive plastic circle 4, in its resistance surface with coping plate 1, it is convexly equipped with some and plastic tube locating slot
12 locating pieces 41 being adapted；On insulated plastic cushion rubber 5, in its resistance surface with coping plate 1, it is convexly equipped with some and plastic cement and draws a circle to approve
The locating piece 51 that position groove 12 is adapted.When conductive plastic circle 4 is sheathed on the periphery of positive pole cylinder 21, the insertion of locating piece 41 is corresponding
Plastic tube locating slot 12 in；When insulated plastic cushion rubber 5 is sheathed on the periphery of negative pole cylinder 31, locating piece 51 is embedded in corresponding modeling
In cushion rubber locating slot 12, so as to realize being reliably connected for the insulated plastic cushion rubber 5 of conductive plastic circle 4/ and coping plate 1, prevent from applying
During the insulated plastic cushion rubber 5 of conductive plastic circle 4/ move left and right.
On coping plate 1, several plastic cement circle holes 14, the plastic cement are also evenly distributed with along the periphery of each mounting hole 11
Circle hole 14 is opened up downwards by the top surface of coping plate 1 and formed, and has certain depth, and the aperture of plastic cement circle hole 14 is by upper
To lower gradually increase, preferably conical structure.Correspondingly, it is convex in its resistance surface with coping plate 1 on conductive plastic circle 4
Provided with some locating dowels 42；On insulated plastic cushion rubber 5, in its resistance surface with coping plate 1, some locating dowels 52 are convexly equipped with, and
The cross-sectional diameter of locating dowel 42 and locating dowel 52 need to be more than minimum-value aperture in plastic cement circle hole 14.In 4 sets of conductive plastic circle
During located at the periphery of positive pole cylinder 21, locating dowel 42 is caught in corresponding plastic cement circle hole 14；It is sheathed in insulated plastic cushion rubber 5
During the periphery of negative pole cylinder 31, locating dowel 52 is caught in corresponding plastic cement circle hole 14, is increased conductive plastic circle 4/ and is insulated
The contact area of plastic tube 5 and coping plate 1, can effectively prevent the insulated plastic cushion rubber 5 of conductive plastic circle 4/ from releasing, so as to effectively prevent
Rotate or loosen after the stress of 2/ negative terminal of positive terminal 3, ensure the reliability and air-tightness of electrokinetic cell top cover.
In addition, on conductive plastic circle 4, in its resistance surface with coping plate 1, along the inner periphery of mounting hole 11 formed with ring
Shape boss 43, on insulated plastic cushion rubber 5, in its resistance surface with coping plate 1, along the inner periphery of mounting hole 11 formed with convex annular
Platform 53.So, in conductive plastic circle 4, coping plate 1,2 three's assembly connection of positive terminal, annular boss 43 be located at coping plate 1 with
Between positive pole cylinder 21, and the outer wall of annular boss 43 and inwall are inconsistent with coping plate 1, positive pole cylinder 21 respectively, so as to enter
One step improves the reliability and air-tightness of whole top cover.
Above-mentioned conductive plastic circle 4 and insulated plastic cushion rubber 5 take shape in positive terminal 2 and negative pole respectively by way of injection molding
On post 3 so that total is integrally formed, simple to operate quick, saves production cost.
The electrokinetic cell top cover provided in the present embodiment also includes：Two sealing rings 6 and two insulated plastic offset plates 7.Two
Insulated plastic offset plate 7 is respectively sleeved at outside positive pole bottom plate 22 and negative pole bottom plate 23.It is located in each positive terminal 2 in mounting hole 11,
Sealing effectiveness is realized by a sealing ring 6 respectively between positive terminal 2 and mounting hole 11 and between negative terminal 3 and mounting hole 11,
Good air-tightness is realized, so as to ensure product quality.
To sum up, the utility model embodiment can be effectively increased the contact with coping plate 1 of insulated plastic cushion rubber 5 of conductive plastic circle 4/
Power, so as to effectively prevent polar-column rotation or loosening, improve the reliability and air-tightness of top cover.
Described above, above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although ginseng
The utility model is described in detail according to previous embodiment, it will be understood by those within the art that：It is still
Technical scheme described in foregoing embodiments can be modified, or which part technical characteristic is equally replaced
Change；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technical scheme
Spirit and scope.
Claims (10)
1. a kind of electrokinetic cell top cover, including coping plate, positive terminal, negative terminal, conductive plastic circle and insulated plastic cushion rubber；It is described
Coping plate includes top surface, the bottom surface relative with top surface and two mounting holes that bottom surface is through to by top surface, the positive terminal and
Negative terminal is arranged in a mounting hole respectively, the conductive plastic snare located at positive terminal periphery and with the top surface phase of coping plate
Contradict, the insulated plastic snare is located at the periphery of negative terminal and inconsistent with the top surface of coping plate；Characterized in that,
On the coping plate, offering several along the excircle of the mounting hole has the plastic cement circle hole of predetermined depth,
And the plastic cement circle hole is less than internal aperture in the aperture of top surface；
On the conductive plastic circle and/or insulated plastic cushion rubber, in its resistance surface with the coping plate, some and institute is convexly equipped with
Locating dowel corresponding to plastic cement circle hole is stated, and the cross-sectional diameter of the locating dowel is more than the minimum aperture of plastic cement circle hole
Footpath.
2. electrokinetic cell top cover according to claim 1, it is characterised in that the conductive plastic circle and/or insulated plastic
On circle, in its resistance surface with coping plate, along the inner periphery of the mounting hole formed with annular boss；In the conductive plastic
When snare is located at the periphery of negative terminal located at the periphery of positive terminal or the insulated plastic snare, the inwall of the annular boss
Inconsistent with positive terminal/negative terminal, the outer wall and coping plate of the annular boss are inconsistent.
3. electrokinetic cell top cover according to claim 1, it is characterised in that the aperture of the plastic cement circle hole is by described
The top surface of coping plate gradually increases downwards.
4. electrokinetic cell top cover according to claim 3, it is characterised in that the plastic cement circle hole is in cone knot
Structure.
5. electrokinetic cell top cover according to claim 1 or 2, it is characterised in that the conductive plastic circle is molded in
The periphery of the positive terminal, the insulated plastic cushion rubber are molded in the periphery of the negative terminal.
6. electrokinetic cell top cover according to claim 1, it is characterised in that the plastic cement circle hole is along the mounting hole
Excircle be evenly distributed.
7. electrokinetic cell top cover according to claim 1, it is characterised in that on the coping plate, along each mounting hole
Excircle is respectively equipped with several plastic tube locating slots；
On the conductive plastic circle and insulated plastic cushion rubber, in its resistance surface with coping plate, be convexly equipped with respectively it is some with it is described
The locating piece that plastic tube locating slot is adapted；
When the conductive plastic snare is located at the periphery of negative terminal located at the periphery of positive terminal or the insulated plastic snare,
In plastic tube locating slot corresponding to the locating piece insertion.
8. electrokinetic cell top cover according to claim 1, it is characterised in that the positive terminal includes positive pole cylinder and connection
Positive pole bottom plate in positive pole cylinder bottom；The negative terminal includes negative pole cylinder and is connected to the negative pole bottom of negative pole cylinder bottom
Plate；
The positive pole cylinder of the positive terminal and the negative pole cylinder of negative terminal are located in corresponding mounting hole respectively, and the positive pole
The upper end of cylinder and negative pole cylinder is located at the subjacent of coping plate beyond top surface, positive pole bottom plate and the negative pole bottom plate of coping plate.
9. electrokinetic cell top cover according to claim 8, it is characterised in that the bottom of the positive pole cylinder and negative pole cylinder
Periphery be arranged with a sealing ring respectively；It is described close when in mounting hole corresponding to being located in the positive pole cylinder/negative pole cylinder
Seal is located at the positive pole bottom plate/between negative pole bottom plate and coping plate.
10. electrokinetic cell top cover according to claim 8, it is characterised in that the electrokinetic cell top cover also includes two
Insulated plastic offset plate, it is respectively sleeved at outside positive pole bottom plate and negative pole bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720648988.1U CN207052637U (en) | 2017-06-06 | 2017-06-06 | Electrokinetic cell top cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720648988.1U CN207052637U (en) | 2017-06-06 | 2017-06-06 | Electrokinetic cell top cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207052637U true CN207052637U (en) | 2018-02-27 |
Family
ID=61492288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720648988.1U Active CN207052637U (en) | 2017-06-06 | 2017-06-06 | Electrokinetic cell top cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207052637U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301103A (en) * | 2018-09-29 | 2019-02-01 | 东莞百思利新能源科技有限公司 | The production technology of secondary cell top cover and secondary cell top cover |
| CN110233215A (en) * | 2019-07-18 | 2019-09-13 | 东莞阿李自动化股份有限公司 | A kind of power battery top cover and power battery |
-
2017
- 2017-06-06 CN CN201720648988.1U patent/CN207052637U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301103A (en) * | 2018-09-29 | 2019-02-01 | 东莞百思利新能源科技有限公司 | The production technology of secondary cell top cover and secondary cell top cover |
| CN110233215A (en) * | 2019-07-18 | 2019-09-13 | 东莞阿李自动化股份有限公司 | A kind of power battery top cover and power battery |
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