CN204732464U - Novel power battery explosion protection system - Google Patents
Novel power battery explosion protection system Download PDFInfo
- Publication number
- CN204732464U CN204732464U CN201520425499.0U CN201520425499U CN204732464U CN 204732464 U CN204732464 U CN 204732464U CN 201520425499 U CN201520425499 U CN 201520425499U CN 204732464 U CN204732464 U CN 204732464U
- Authority
- CN
- China
- Prior art keywords
- terrace
- explosion
- trim ring
- supporting station
- sealing ring
- 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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- Gas Exhaust Devices For Batteries (AREA)
Abstract
The utility model relates to a kind of Novel power battery explosion protection system.It comprises valve body, trim ring, explosion-proof diaphragm and sealing ring, shoulder hole is provided with in described valve body, described shoulder hole comprises supporting station terrace, described trim ring, explosion-proof diaphragm and sealing ring are all installed in shoulder hole, and explosion-proof diaphragm and sealing ring are pressed on supporting station terrace by trim ring, described shoulder hole also comprises positioning table terrace, and described trim ring presses on positioning table terrace to make trim ring be fixing relative to the position of supporting station terrace.The utility model makes trim ring when assembling by arranging positioning table terrace in valve body, the relative position of described trim ring and supporting station terrace is fixing, namely the decrement of sealing ring is fixing, realize the control to trim ring and the relative position of supporting station terrace and the decrement of sealing ring, the situation occurring that the decrement of sealing ring is excessive or too small can be avoided, improve sealing effectiveness, avoid the risk that sealing ring or explosion-proof diaphragm are damaged because decrement is excessive.
Description
Technical field
The utility model relates to a kind of Novel power battery explosion protection system.
Background technology
In prior art, in order to improve the fail safe of electrokinetic cell, preventing electrokinetic cell from blasting because internal pressure is excessive, generally can offer explosionproof hole on battery cover board, and an explosion-proof valve is installed in explosionproof hole.The various structures of existing explosion-proof valve, as Chinese invention patent application prospectus CN101901886A a kind of explosion-proof device of power battery of providing, it at least comprises explosion-proof valve body, rupture pressure disc that can be breakdown, middle pressure ring and insulation cushion, insulation cushion is coated on the outer rim of rupture pressure disc, explosion-proof valve body is provided with brace table, insulation cushion and rupture pressure disc are compacted at upper brace table by middle pressure ring, insulation cushion is except the effect playing insulation, also play the effect of sealing, when electrokinetic cell internal pressure reaches certain value, gas can puncture rupture pressure disc to realize explosion-proof.During this technical scheme is disclosed, pressure ring is in assembling process, and middle pressure ring is unfixed relative to the position of upper brace table, time far away time near, and uncontrollable; When central pressure ring is far away apart from upper brace table, the decrement of insulation cushion is too small, reduces and even cannot seal; In the middle of pressure ring apart from upper brace table nearer time, the decrement of insulation cushion is excessive, and insulation cushion is easily damaged, and even rupture pressure disc also can be damaged.
Summary of the invention
It is simple and improve sealing effectiveness Novel power battery explosion protection system that the purpose of this utility model is to propose a kind of structure.
Above-mentioned purpose is achieved by the following technical solution:
A kind of Novel power battery explosion protection system, comprise valve body, trim ring, explosion-proof diaphragm and sealing ring, shoulder hole is provided with in described valve body, described shoulder hole comprises supporting station terrace, described trim ring, explosion-proof diaphragm and sealing ring are all installed in shoulder hole, and explosion-proof diaphragm and sealing ring are pressed on supporting station terrace by trim ring, described shoulder hole also comprises positioning table terrace, and described trim ring presses on positioning table terrace to make trim ring be fixing relative to the position of supporting station terrace.
The utility model makes trim ring when assembling by arranging positioning table terrace in valve body, the relative position of described trim ring and supporting station terrace is fixing, namely the decrement of sealing ring is fixing, realize the control to trim ring and the relative position of supporting station terrace and the decrement of sealing ring, the situation occurring that the decrement of sealing ring is excessive or too small can be avoided, improve sealing effectiveness, avoid the risk that sealing ring or explosion-proof diaphragm are damaged because decrement is excessive, and the control that the utility model adopts simple structure can realize trim ring and the relative position of supporting station terrace and the decrement of sealing ring.
Technique scheme can adopt following measure to be improved further:
Described shoulder hole comprises the enlarged diameter section, middle diameter segment and the reduced diameter section that are connected successively from top to bottom, the diameter of enlarged diameter section is greater than the diameter of middle diameter segment, and the diameter of middle diameter segment is greater than the diameter of reduced diameter section, described supporting station terrace is formed at the connecting place of middle diameter segment and reduced diameter section, and described positioning table terrace is formed at the connecting place of enlarged diameter section and middle diameter segment.
Described trim ring has one towards the location end face of described supporting station terrace, and described explosion-proof diaphragm and sealing ring are pressed between location end face and supporting station terrace.
Described sealing ring presses on supporting station terrace, and described explosion-proof diaphragm presses on sealing ring, and the location end face of described trim ring presses on explosion-proof diaphragm.
Described trim ring is pressed on positioning table terrace by its location end face.
The location end face of described trim ring is provided with the bulge loop extended towards supporting station terrace; Location end face is separated into an annular inboard portion and be positioned at inside bulge loop and is positioned at annular outboard portion outside bulge loop by described bulge loop; Described explosion-proof diaphragm to be enclosed in bulge loop and to offset with the annular inboard portion of location end face; Annular outboard portion and the positioning table terrace of described location end face offset; Described bulge loop and sealing ring offset; Sealing effectiveness is can further improve by arranging bulge loop.
The upper end of described valve body stamps out multiple compressing tablet for compressing trim ring.
The utility model adopts simple structure can realize the control of trim ring and the relative position of supporting station terrace and the decrement of sealing ring to improve sealing effectiveness.
Accompanying drawing explanation
Fig. 1 shows sectional structure schematic diagram of the present utility model;
Fig. 2 shows the A portion partial enlarged drawing of Fig. 1;
Fig. 3 shows the schematic diagram to decompose each parts on the basis of Fig. 1 after;
Fig. 4 shows the B portion partial enlarged drawing of Fig. 3.
Embodiment:
As shown in Figures 1 to 4, a kind of Novel power battery explosion protection system, comprise valve body 1, trim ring 2, explosion-proof diaphragm 3 and sealing ring 4, shoulder hole 11 is provided with in described valve body 1, described shoulder hole 11 comprises supporting station terrace 12, described trim ring 2, explosion-proof diaphragm 3 and sealing ring 4 are all installed in shoulder hole 11, and explosion-proof diaphragm 3 and sealing ring 4 are pressed on supporting station terrace 12 by trim ring 2, described shoulder hole 11 also comprises positioning table terrace 13, and described trim ring 2 presses on positioning table terrace 13 to make trim ring 2 be fixing relative to the position of supporting station terrace 12.
Described shoulder hole 11 comprises the enlarged diameter section 111, middle diameter segment 112 and the reduced diameter section 113 that are connected successively from top to bottom, described supporting station terrace 12 is formed at the connecting place of middle diameter segment 112 and reduced diameter section 113, described positioning table terrace 13 is formed at the connecting place of enlarged diameter section 111 and middle diameter segment 112, the diameter of enlarged diameter section 111 is greater than the diameter of middle diameter segment 112, and the diameter of middle diameter segment 112 is greater than the diameter of reduced diameter section 113.
Described trim ring 2 has one towards the location end face 21 of described supporting station terrace, and described explosion-proof diaphragm 3 and sealing ring 4 are pressed between location end face 21 and supporting station terrace 12.
Described sealing ring 4 presses on supporting station terrace 12, and described explosion-proof diaphragm 3 presses on sealing ring 4, and the location end face 21 of described trim ring presses on explosion-proof diaphragm 3.
Described trim ring 2 is pressed on positioning table terrace 13 by its location end face 21 and presses on positioning table terrace 13 to realize trim ring 2.
The location end face 21 of described trim ring is provided with the bulge loop 22 extended towards supporting station terrace 12;
Location end face 21 is separated into one and is positioned at annular inboard portion inside bulge loop 22 211 and and is positioned at annular outboard portion 212 outside bulge loop 22 by described bulge loop 22, and described bulge loop 22 is in surrounding annular inboard portion 211 shape;
Described explosion-proof diaphragm 3 to be enclosed in bulge loop 22 and to offset with the annular inboard portion 211 of location end face;
Annular outboard portion 212 and the positioning table terrace 13 of described location end face offset;
Described bulge loop 22 offsets with sealing ring 4.
As shown in Figure 1, in the space that the annular inboard portion 211 that described explosion-proof diaphragm 3 is enclosed in sealing ring 4, bulge loop 22 and location end face is formed.Described sealing ring 4 is resisted against on supporting station terrace 12 and places restrictions on, described explosion-proof diaphragm 3 is resisted against on sealing ring 4 and places restrictions on, described trim ring 2 is resisted against on positioning table terrace 13 and places restrictions on, now, the bulge loop 22 of trim ring to stretch in the gap between middle diameter segment 112 and explosion-proof diaphragm 3 and offsets with sealing ring 4, and annular inboard portion 211 and the explosion-proof diaphragm 3 of the location end face of trim ring offset.
As shown in Figure 3, sealing ring 4, explosion-proof diaphragm 3 and trim ring 2 put into shoulder hole 11 from the upper end open of valve body successively, after shoulder hole 11 all inserted by circle 4 to be sealed, explosion-proof diaphragm 3 and trim ring 2, stamp out multiple compressing tablet 14 for compressing trim ring 2 in the upper end of valve body 1, compressing tablet 14 by trim ring 2 compression set on positioning table terrace 13.
Novel power battery explosion protection system disclosed in the utility model can be installed on the explosionproof hole place that battery cover board is offered.
Supporting station terrace 12 described in the present embodiment, positioning table terrace 13 and location end face 21 are all annular.
Sealing ring described in the utility model can be but be not limited to rubber ring, and in addition, sealing ring described in the utility model also can make by insulating material the effect playing insulation.Explosion-proof diaphragm described in the utility model can by gas breakdown, and described explosion-proof diaphragm can adopt explosion-proof diaphragm of the prior art.
Claims (7)
1. a Novel power battery explosion protection system, comprise valve body, trim ring, explosion-proof diaphragm and sealing ring, shoulder hole is provided with in described valve body, described shoulder hole comprises supporting station terrace, described trim ring, explosion-proof diaphragm and sealing ring are all installed in shoulder hole, and explosion-proof diaphragm and sealing ring are pressed on supporting station terrace by trim ring, it is characterized in that: described shoulder hole also comprises positioning table terrace, described trim ring presses on positioning table terrace to make trim ring be fixing relative to the position of supporting station terrace.
2. Novel power battery explosion protection system according to claim 1, it is characterized in that: described shoulder hole comprises the enlarged diameter section, middle diameter segment and the reduced diameter section that are connected successively from top to bottom, the diameter of enlarged diameter section is greater than the diameter of middle diameter segment, and the diameter of middle diameter segment is greater than the diameter of reduced diameter section, described supporting station terrace is formed at the connecting place of middle diameter segment and reduced diameter section, and described positioning table terrace is formed at the connecting place of enlarged diameter section and middle diameter segment.
3. Novel power battery explosion protection system according to claim 1 and 2, is characterized in that: described trim ring has one towards the location end face of described supporting station terrace, and described explosion-proof diaphragm and sealing ring are pressed between location end face and supporting station terrace.
4. Novel power battery explosion protection system according to claim 3, is characterized in that: described sealing ring presses on supporting station terrace, and described explosion-proof diaphragm presses on sealing ring, and the location end face of described trim ring presses on explosion-proof diaphragm.
5. Novel power battery explosion protection system according to claim 3, is characterized in that: described trim ring is pressed on positioning table terrace by its location end face.
6. Novel power battery explosion protection system according to claim 4, is characterized in that:
The location end face of described trim ring is provided with the bulge loop extended towards supporting station terrace;
Location end face is separated into an annular inboard portion and be positioned at inside bulge loop and is positioned at annular outboard portion outside bulge loop by described bulge loop;
Described explosion-proof diaphragm to be enclosed in bulge loop and to offset with the annular inboard portion of location end face;
Annular outboard portion and the positioning table terrace of described location end face offset;
Described bulge loop and sealing ring offset.
7. Novel power battery explosion protection system according to claim 1 and 2, is characterized in that: the upper end of described valve body stamps out multiple compressing tablet for compressing trim ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520425499.0U CN204732464U (en) | 2015-06-17 | 2015-06-17 | Novel power battery explosion protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520425499.0U CN204732464U (en) | 2015-06-17 | 2015-06-17 | Novel power battery explosion protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204732464U true CN204732464U (en) | 2015-10-28 |
Family
ID=54390793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520425499.0U Expired - Fee Related CN204732464U (en) | 2015-06-17 | 2015-06-17 | Novel power battery explosion protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204732464U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107665964A (en) * | 2016-07-29 | 2018-02-06 | 比亚迪股份有限公司 | A kind of composite anti-explosion valve, cover plate assembly and battery |
| CN111446387A (en) * | 2019-01-16 | 2020-07-24 | 武汉市杰精精密电子有限公司 | Battery explosion-proof cover plate suitable for stamping manufacturing and automatic welding |
| CN113241718A (en) * | 2021-05-28 | 2021-08-10 | 长园电力技术有限公司 | Cable intermediate head |
-
2015
- 2015-06-17 CN CN201520425499.0U patent/CN204732464U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107665964A (en) * | 2016-07-29 | 2018-02-06 | 比亚迪股份有限公司 | A kind of composite anti-explosion valve, cover plate assembly and battery |
| CN107665964B (en) * | 2016-07-29 | 2020-11-06 | 比亚迪股份有限公司 | Composite explosion-proof valve, cover plate assembly and battery |
| CN111446387A (en) * | 2019-01-16 | 2020-07-24 | 武汉市杰精精密电子有限公司 | Battery explosion-proof cover plate suitable for stamping manufacturing and automatic welding |
| CN113241718A (en) * | 2021-05-28 | 2021-08-10 | 长园电力技术有限公司 | Cable intermediate head |
| CN113241718B (en) * | 2021-05-28 | 2022-02-15 | 长园电力技术有限公司 | Cable intermediate head |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151028 Termination date: 20180617 |