CN205605897U - Novel explosion -proof valve of battery box - Google Patents
Novel explosion -proof valve of battery box Download PDFInfo
- Publication number
- CN205605897U CN205605897U CN201620225920.8U CN201620225920U CN205605897U CN 205605897 U CN205605897 U CN 205605897U CN 201620225920 U CN201620225920 U CN 201620225920U CN 205605897 U CN205605897 U CN 205605897U
- Authority
- CN
- China
- Prior art keywords
- valve body
- fixed part
- cavity
- valve
- battery box
- 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
Landscapes
- Gas Exhaust Devices For Batteries (AREA)
Abstract
The utility model discloses a novel explosion -proof valve of battery box, including valve body, cavity form fixed part, top cap and piston body, the valve body is the cylindricality cavity structure including bottom openings and top end opening, the piston body activity sets up in the cavity structure, the bottom openings of valve body connects the fixed part, the top end opening of valve body is connected the top cap, the piston body include with the movable part of valve body inner wall laminating with set up on the movable part with the cavity that the fixed part is relative, the cavity include lateral wall and lid establish on the lateral wall with the mouth -sealed portion that the fixed part is relative, the external diameter of cavity is less than the internal diameter of valve body, the lateral wall of cavity with form the clearance between the inner wall of valve body. The utility model discloses a not rapid problem of explosion -proof valve pressure release among the prior art has not only been solved to explosion -proof valve, and its function is abundanter moreover, and the practicality is higher.
Description
[technical field]
This utility model relates to battery case field of explosion, particularly relates to a kind of Novel battery box explosion-proof valve.
[background technology]
Existing new-energy automobile industry mostly use breather valve equal to the air pressure keeping sealed cell case
Weighing apparatus, but send out in actual use be currently used for process dangerous situation time, breather valve can not be quick
Aerofluxus, this is possible to cause blast to wait more dangerous situation to occur.Breathe even if being attempted with increasing
The quantity of valve, the problem that Quick air-discharge can not be solved, but also add cost.And existing breathing
The function singleness of valve, it is only aerofluxus, and does not has waterproof and dampproof function, if battery case i.e. needs
Regulation draught head, needs again waterproof and dampproof, it is necessary to installs above-mentioned breather valve on battery case simultaneously and prevents
Water damp-proof device, this can increase the most again cost, and effect also may not be certain to reach requirement.
[utility model content]
The technical problems to be solved in the utility model is, not rapid for breather valve aerofluxus in prior art,
And the problem of function singleness, a kind of Novel battery box explosion-proof valve is proposed.
To achieve these goals, this utility model provides a kind of Novel battery box explosion-proof valve, including valve
Body, hollow form fixed part, top cover and piston body, described valve body is to include bottom end opening and top end opening
Cylindrical cavity structure, described piston body is movably arranged in described cavity structure, and the bottom of described valve body is opened
Mouth connects described fixed part, and the top end opening of described valve body connects described top cover；
Described piston body includes the movable part fitted with described valve interior wall and is arranged on movable part with described
The cavity that fixed part is relative, described cavity includes that sidewall is located on sidewall relative with described fixed part with lid
Mouth-sealed portion, the external diameter of described cavity is less than the internal diameter of described valve body, the sidewall of described cavity and described valve body
Inwall between formed gap；
Some first openings it are provided with on the sidewall of described cavity, corresponding described some on described body wall
The position of the first opening arranges the second opening.
As a kind of improvement of battery case explosion-proof valve described in the utility model, described mouth-sealed portion uses varicosity
Poly tetrafluoroethylene.
As a kind of improvement of battery case explosion-proof valve described in the utility model, described piston body includes arranging
The abutting part being oppositely arranged with described top cover on described movable part and the bullet being set on described abutting part
Spring, described spring is connected on described top cover.
As a kind of improvement of battery case explosion-proof valve described in the utility model, the bottom of described valve body is arranged
Having external screw thread, on described fixed part, correspondence position arranges female thread, and described fixed part passes through described female thread
With on the bottom end opening that described external screw thread is connected to described valve body.
As a kind of improvement of battery case explosion-proof valve described in the utility model, the top of described valve body is arranged
External screw thread, on described top cover, correspondence position arranges female thread, and described top cover passes through described female thread with described
External screw thread is connected on the top end opening of described valve body.
As a kind of improvement of battery case explosion-proof valve described in the utility model, the bottom of described valve body and institute
State the relative position of fixed part and be provided with sealing silica gel.
As a kind of improvement of battery case explosion-proof valve described in the utility model, outside described fixed part is arranged
Screw thread, battery case arranges female thread, by female thread and external screw thread, described fixed part is fixed on battery
On case.
As a kind of improvement of battery case explosion-proof valve described in the utility model, the cavity structure of described valve body
For cylindrical cavity, the movable part of described piston body is the cylinder mated with described cylindrical cavity.
As a kind of improvement of battery case explosion-proof valve described in the utility model, the outer wall of described valve body is arranged
For regular hexagon, the corresponding described orthohexagonal each limit of described first opening is arranged.
This utility model produces and provides the benefit that: explosion-proof valve of the present utility model not only solves existing skill
The not rapid problem of explosion-proof valve pressure release in art, and its function is abundanter, and practicality is the highest.
[accompanying drawing explanation]
Fig. 1 is that this utility model battery case anti-explosion valve structure sets intention；
Fig. 2 is the sectional view in Fig. 1 battery case explosion-proof valve along AA '；
Fig. 3 is Fig. 2 battery case explosion-proof valve schematic diagram under a state；
Fig. 4 is Fig. 2 battery case explosion-proof valve schematic diagram in the other state.
[detailed description of the invention]
In order to make the purpose of this utility model, technical scheme and Advantageous Effects become apparent from understanding, with
Lower combination the drawings and specific embodiments, are further elaborated to this utility model.It is to be understood that
, the detailed description of the invention described in this specification is only used to explain this utility model, is not
In order to limit this utility model.
With reference to Fig. 1 and Fig. 2, this utility model provides a kind of Novel battery box explosion-proof valve, including valve body 10,
Hollow form fixed part 20, top cover 30 and piston body 40, described valve body 10 is the cylindrical cavity of both ends open
Structure, described both ends open specifically includes bottom end opening 11 and top end opening 12, and described piston body 40 is lived
Moving and be arranged in described cavity structure, the bottom end opening 11 of described valve body 10 connects described fixed part 20,
And connected with battery case by described fixed part 20, the top end opening 12 of described valve body 10 connects described top
Lid 30；
Described piston body 40 includes the movable part 41 with the laminating of described valve body 10 inwall and is arranged on movable part
Cavity 42 relative with described fixed part 20 on 41, described cavity 42 includes that sidewall 421 and lid are located at side
The mouth-sealed portion 422 with respiratory function relative with described fixed part 20 on wall 421, described cavity 42
External diameter is less than the internal diameter of described valve body 10, sidewall 421 and described valve body 10 inwall of the most described cavity 42
Between formed gap 50.Several first openings 4211 it are provided with on the sidewall 421 of described cavity 42,
On described valve body 10 sidewall, the position of several the first openings 4211 corresponding described arranges the of respective amount
Two openings 13.
When this utility model explosion-proof valve being used in regulating cell case internal gas pressure in battery case, it is only necessary to by institute
State fixed part 20 to be fixed on described battery case.When in battery case, pressure is not above presetting pressure release threshold values,
Air pressure in described battery case enters described cavity 42 by described employing mouth-sealed portion 422, and by described
First opening 4211 and described second opening 13 draw off, and come the air pressure in regulating cell case, concrete structure
Flow to see shown in Fig. 2 and Fig. 3 with air pressure.
When the air pressure in battery case exceedes described default pressure release threshold values, described battery case internal gas pressure promotes institute
State piston body 40 to move to described top cover 30 direction, described first opening 4211 and described second opening 13
Staggering, described air pressure enters in the gap 50 between described piston body 40 and described valve body 10 inwall, and
Quickly draw off from described second opening 13, because described gap 50 is to be directly connected to described battery case and institute
State the second opening 13, so, pressure release can be carried out rapidly by described gap 50, to avoid at certain
A little in particular cases battery case internal gas pressure is excessive, can not rapidly, effectively by mouth-sealed portion 422
The peril such as the blast caused when reaching pressure release purpose occur.Concrete structure and air pressure flow to see
Shown in Fig. 2 and Fig. 4.Default pressure release threshold values described above refers to, under normal operation, in battery case
The maximum gas pressure value that can bear.
This utility model explosion-proof valve, it is possible not only to pressure in battery case and is not above presetting pressure release threshold values
Time, battery case internal gas pressure is suitably regulated, it is also possible to run into special circumstances at battery case and cause battery
During the explosion issues that case internal gas pressure increases suddenly and faces, quickly lay down the air pressure in battery case, solve
Explosion-proof valve can not the problem of quick pressure releasing.
Preferably, described mouth-sealed portion 422 uses eptfe membrane, and it is possible not only at battery case
When interior pressure is not above presetting pressure release threshold values, the air pressure in normal regulating cell case, also have waterproof
Moistureproof function.Improve the explosion-proof valve practicality in this utility model, solve in prior art explosion-proof
The problem of valve function singleness.
Concrete, described piston body 40 includes being arranged on described movable part 41 relative with described top cover 30
Abutting part 43 and the spring 44 that is set on described abutting part 43, described spring 44 is connected to described top
On lid 30.When the air pressure in battery case exceedes described default pressure release threshold values, described air pressure promotes described work
When cock body 40 moves to described top cover 30 direction, described spring 44 is compressed, when described air pressure is drawn off
After, under the effect of the elastic restoring force of described spring 44, promote described piston body 40 to be returned to initially
Position, such as Fig. 1.
Concrete, the bottom of described valve body 10 is provided with external screw thread, correspondence position on described fixed part 20
Arranging female thread, described fixed part 20 is connected to described valve body 10 by described female thread and described external screw thread
Bottom end opening 11 on；The top of described valve body 10 arranges external screw thread, correspondence position on described top cover 30
Arranging female thread, described top cover 30 is connected to described valve body 10 by described female thread and described external screw thread
Top end opening 12 on.
Preferably, also external screw thread can be set on described fixed part 20, battery case arranges female thread,
Threadedly described explosion-proof valve is fixed on battery case.
In this utility model, the mode being threaded connection is possible not only to described fixed part 20 and described top
Lid 30 is fixed on described valve body 10 easily, it is possible to readily by described fixed part 20 and described top cover
30 disassemble from described valve body 10, it is simple to maintenance.
Preferably, the position that the bottom of described valve body 10 is relative with described fixed part 20 is provided with sealed silicon
Glue 60, for ensureing the sealing of explosion-proof valve.
Preferably, the cavity structure of described valve body 10 is cylindrical cavity, the activity of described piston body 40
Portion 41 is the cylinder of described cylindrical cavity coupling, so so that described movable part 41 is described
It is more preferable that cylindrical cavity coordinates.
Further, the outer wall of described valve body 10 is set to regular hexagon, and described first opening 4211 is right
Should arrange on described orthohexagonal each limit.The outer wall of described valve body 10 is set to regular hexagon, permissible
Described valve body 10 is dismantled at needs, convenient.
Battery case explosion-proof valve of the present utility model, is not restricted to described in description and embodiment,
Therefore for the personnel of familiar field, be easily achieved additional advantage and amendment, thus without departing substantially from
In the case of the spirit and scope of the general concept that claim and equivalency range are limited, this utility model
Be not limited to specific details, representational equipment and shown here as with describe examples shown.
Claims (9)
1. a Novel battery box explosion-proof valve, it is characterised in that include valve body, hollow form fixed part, top
Lid and piston body, described valve body is the cylindrical cavity structure including bottom end opening and top end opening, described work
Cock body is movably arranged in described cavity structure, and the bottom end opening of described valve body connects described fixed part, institute
The top end opening stating valve body connects described top cover；
Described piston body includes the movable part fitted with described valve interior wall and is arranged on movable part with described
The cavity that fixed part is relative, described cavity includes that sidewall is located on sidewall relative with described fixed part with lid
Mouth-sealed portion, the external diameter of described cavity is less than the internal diameter of described valve body, the sidewall of described cavity and described valve body
Inwall between formed gap；
Some first openings it are provided with on the sidewall of described cavity, corresponding described some on described body wall
The position of the first opening arranges the second opening.
Novel battery box explosion-proof valve the most according to claim 1, it is characterised in that described mouth-sealed portion
Use eptfe membrane.
Novel battery box explosion-proof valve the most according to claim 1, it is characterised in that described piston body
Including being arranged on described movable part the abutting part being oppositely arranged with described top cover and being set in described abutting part
On spring, described spring is connected on described top cover.
Novel battery box explosion-proof valve the most according to claim 1, it is characterised in that described valve body
Bottom is provided with external screw thread, and on described fixed part, correspondence position arranges female thread, and described fixed part passes through institute
State female thread to be connected on the bottom end opening of described valve body with described external screw thread.
Novel battery box explosion-proof valve the most according to claim 1, it is characterised in that described valve body
Top arranges external screw thread, and on described top cover, correspondence position arranges female thread, and described top cover passes through described interior spiral shell
Stricture of vagina and described external screw thread are connected on the top end opening of described valve body.
Novel battery box explosion-proof valve the most according to claim 1, it is characterised in that described valve body
The position relative with described fixed part, bottom is provided with sealing silica gel.
Novel battery box explosion-proof valve the most according to claim 1, it is characterised in that described fixed part
On external screw thread is set, battery case arranges female thread, by female thread and external screw thread, described fixed part is solid
It is scheduled on battery case.
Novel battery box explosion-proof valve the most according to claim 1, it is characterised in that described valve body
Cavity structure is cylindrical cavity, and the movable part of described piston body is the circle mated with described cylindrical cavity
Cylinder.
Novel battery box explosion-proof valve the most according to claim 1, it is characterised in that described valve body
Outer wall is set to regular hexagon, and the corresponding described orthohexagonal each limit of described first opening is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620225920.8U CN205605897U (en) | 2016-03-22 | 2016-03-22 | Novel explosion -proof valve of battery box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620225920.8U CN205605897U (en) | 2016-03-22 | 2016-03-22 | Novel explosion -proof valve of battery box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205605897U true CN205605897U (en) | 2016-09-28 |
Family
ID=56963708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620225920.8U Active CN205605897U (en) | 2016-03-22 | 2016-03-22 | Novel explosion -proof valve of battery box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205605897U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110649207A (en) * | 2019-10-18 | 2020-01-03 | 安徽中科中涣防务装备技术有限公司 | Fire prevention and control explosion-proof valve of lithium battery box |
| CN112361047A (en) * | 2021-01-12 | 2021-02-12 | 江苏时代新能源科技有限公司 | Bidirectional breather valve, battery and device |
-
2016
- 2016-03-22 CN CN201620225920.8U patent/CN205605897U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110649207A (en) * | 2019-10-18 | 2020-01-03 | 安徽中科中涣防务装备技术有限公司 | Fire prevention and control explosion-proof valve of lithium battery box |
| CN110649207B (en) * | 2019-10-18 | 2022-03-01 | 安徽中科中涣防务装备技术有限公司 | Fire prevention and control explosion-proof valve of lithium battery box |
| CN112361047A (en) * | 2021-01-12 | 2021-02-12 | 江苏时代新能源科技有限公司 | Bidirectional breather valve, battery and device |
| CN112361047B (en) * | 2021-01-12 | 2021-06-04 | 江苏时代新能源科技有限公司 | Bidirectional breather valve, battery and device |
| WO2022151619A1 (en) * | 2021-01-12 | 2022-07-21 | 江苏时代新能源科技有限公司 | Bidirectional ventilation valve, battery and power device |
| US11949122B2 (en) | 2021-01-12 | 2024-04-02 | Jiangsu Contemporary Amperex Technology Limited | Bidirectional vent valve, battery, and electrical device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205335327U (en) | Explosion -proof pressure relief device of power battery high low temperature test equipment | |
| CN205605897U (en) | Novel explosion -proof valve of battery box | |
| CN105782614B (en) | The sealing snap joint of plug-in | |
| CN103836242A (en) | Fuel gas cylinder valve | |
| CN204792416U (en) | Ripple inflation formula respirator | |
| CN209390497U (en) | A kind of decompression protection device of cabinet | |
| CN208503120U (en) | A kind of bellows-type accumulator | |
| CN203757108U (en) | Fuel gas cylinder valve | |
| CN205921020U (en) | A air -bleeding plug for start stop system battery | |
| CN201810840U (en) | Low-pressure regulating valve of small flow gas | |
| CN206257037U (en) | A kind of pump capacity control device | |
| CN105715838B (en) | Elongate rod relief valve | |
| CN206501709U (en) | Fuel tank assembly | |
| CN204677779U (en) | The gas extinguishing system vessel valve of interruptible price start and stop | |
| CN205559410U (en) | Simple and easy telescopic bar | |
| CN206148511U (en) | Accumulator safety valve | |
| CN207229722U (en) | A kind of quick jettison gear of gear reducer | |
| CN207795521U (en) | A kind of normally closed intake valve of air compressor | |
| CN207316166U (en) | A kind of reusable nonflame bleeder | |
| CN207080669U (en) | A kind of effective carbon-dioxide pressure reducer | |
| CN205745492U (en) | A kind of air relief valve and water heater | |
| CN203192888U (en) | Safety valve sealing structure of lead-acid storage battery | |
| CN206290784U (en) | A kind of pressure release valve inside | |
| CN205781153U (en) | A kind of constant-pressure atomization automatic pressure regulating device | |
| CN104176502A (en) | Spring feeder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20180428 Granted publication date: 20160928 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210428 Granted publication date: 20160928 |
|
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20210428 Granted publication date: 20160928 |