CN206478269U - A kind of secondary battery anti-explosion valve - Google Patents
A kind of secondary battery anti-explosion valve Download PDFInfo
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- CN206478269U CN206478269U CN201621038693.4U CN201621038693U CN206478269U CN 206478269 U CN206478269 U CN 206478269U CN 201621038693 U CN201621038693 U CN 201621038693U CN 206478269 U CN206478269 U CN 206478269U
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- valve body
- passage
- valve
- dividing plate
- secondary battery
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Abstract
A kind of secondary battery anti-explosion valve, including valve body (1), valve body (1) are arranged on the cap (7) of battery, it is characterised in that：The bottom of the valve body (1) is provided with air inlet (11), venthole (14) is offered in the upper lateral part of valve body (1), a dividing plate for carrying passage is laterally formed in valve body, the dividing plate by the inner chamber of valve body be separated into above and below two parts, venthole is connected by passage with air inlet, it is provided with the check valve sheet for bore closure of ventilating on dividing plate, body cavity upper end forms the convex portion offseted with the upper center of check valve sheet downwards, when the gas pressure in battery exceedes rated pressure, the edge of check valve sheet (2) is upwardly-deformed under the effect of the pressure to tilt, passage is opened, gas is discharged from passage along venthole (14).The utility model is simple in construction, good seal performance, quickly can exclude cell internal pressure, it is to avoid potential safety hazard, substantially increases the security reliability of battery, extends service life.
Description
Technical field
The utility model is related to battery technology field, and in particular to a kind of automobile storage battery explosion-proof valve.
Background technology
Battery is the important component on automobile, and its function is to provide electric energy and the adjustment generator output of automobile starting
The unbalanced state between load.When engine does not work or rotating speed is relatively low, battery is to power supply for electrical equipment；Work as electricity consumption
When the electric power of equipment is more than generated output power, battery is taken by the hand in parallel to power supply for electrical equipment with generator；When with
When the electric power of electric equipment is less than generated output power, generator is to battery and power supply for electrical equipment.Traditional plumbic acid
Battery can produce pernicious gas in discharge and recharge, with potential safety hazard easily occurs after oxygen, mix dust, while inside battery liter
Temperature also results in air pressure increase, can be exploded when pressure increases to a certain extent, therefore often on the housing of battery
Explosion relief valve is provided with, battery is deflated in the case of reaching rated pressure pressure release, allows battery can be in preferable environment
Middle work, in order to avoid cause the accident.
Through looking into, existing Patent No. CN201420756004.8 Chinese utility model patent《A kind of accumulator box is explosion-proof
Valve》, including valve seat, the valve seat inside, which is provided with pressure releasing valve core, the pressure releasing valve core, is communicated with inside and outside receiving
Provided with envelope nitrogen valve element in space, the receiving space, pressure release spring, the envelope nitrogen valve are provided between the pressure releasing valve core and valve seat
Core is fixed on pressure releasing valve core by the first back-up ring, and envelope nitrogen spring housing is on envelope nitrogen valve element, and is fixed by the first back-up ring, institute
Valve seat side is stated provided with the through hole that is connected with receiving space, pressure relief opening is distributed with around the through hole.But this explosion-proof valve portion
Part is more, and structure is not simple enough, and that trouble is also compared in making, and further improvement is also needed in structure.
The content of the invention
Technical problem to be solved in the utility model is that a kind of simple in construction, system is provided for the above-mentioned state of the art
Make secondary battery anti-explosion valve with low cost.
The utility model solve the technical scheme that is used of above-mentioned technical problem for：A kind of secondary battery anti-explosion valve, including valve
Body, valve body is arranged on the cap of battery, it is characterised in that：The bottom of the valve body is provided with air inlet, in the upside of valve body
Portion, which is offered, laterally forms a dividing plate for carrying passage in venthole, valve body, the inner chamber of valve body is separated into by the dividing plate
Two part up and down, venthole is connected by passage with air inlet, is provided with the check valve for bore closure of ventilating on dividing plate
Piece, body cavity upper end forms the convex portion offseted with the upper center of check valve sheet downwards, when the gas pressure in battery
During more than rated pressure, the edge of check valve sheet is upwardly-deformed under the effect of the pressure to be tilted, and passage is opened, and gas is from logical
Stomata is discharged along venthole.
As an improvement, the check valve sheet is in the circle lid-like that section is T-shaped, check valve sheet is made of sponge, single
Positioning convex column is provided with the middle part of to the lower surface of valve block, the middle part of dividing plate is provided with and fixed centre bore is planted for positioning convex column, ventilation
Hole is arranged circumferentially at the edge of dividing plate around the centre bore, and check valve sheet lid is located at vent seal on dividing plate.
As an improvement, the convex portion is arranged on the upper center of body cavity, convex portion is cylindrical, and the lower end of convex portion is in contracting
The cone structure in footpath.
As an improvement, the valve body is in the piston-shaped structure matched with the circular mounting hole on the cap of battery, valve
The lower outside of body forms the external thread section being threadedly coupled with circular mounting hole, and the upper end of the dividing plate and external thread section is mutually neat
Flat, the upper surface of valve body forms the circular edges edge that circular mounting hole offsets.
Improve again, be equipped with the first sealing ring above the outer middle side part of the valve body, external thread section, the valve body it is upper
Be equipped with the second sealing ring on the lower surface on end circular edges edge, the venthole be arranged on the first sealing ring and the second sealing ring it
Between valve body-side.
Improve again, the side relative with venthole offers a groove on the valve body, a sealing block is embedded in groove,
The upper and lower ends of sealing block respectively with the first sealing ring and the second sealing ring tight against.
Improve again, first sealing ring is formed in one with sealing block.
Further improve, the upper end circular edges edge of the valve body, which is above distributed with, to be easy to revolve valve body from the cap of battery
Under breach.
Further improve, the middle part of the upper surface of the valve body is provided with the recess corresponding with convex portion.
Compared with prior art, the utility model has the advantage of：Check valve sheet is set in valve body, will be used to connecting into
The vent seal of gas port and venthole, check valve sheet is made of sponge, the characteristics of can be with compression using sponge, works as electricity
When gas pressure in pond exceedes rated pressure, passage is opened in check valve sheet upward compression under the effect of the pressure,
Gas can be discharged from venthole, when pressure recovers normal, and the recoverable force of check valve sheet will ventilate bore closure.This practicality is new
Type is simple in construction, good seal performance, quickly can exclude cell internal pressure, it is to avoid potential safety hazard, substantially increases battery
Security reliability, extends service life.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model embodiment；
Fig. 2 is the top view of the utility model embodiment；
Fig. 3 is sectional views of the Fig. 3 along line A-A (during closing)；
Fig. 4 is the sectional view of the utility model embodiment in the on-state；
Fig. 5 Fig. 1 exploded view；
Fig. 6 is that the utility model embodiment is arranged on the structural representation that battery jar is covered.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in figs. 1 to 6, the secondary battery anti-explosion valve of the present embodiment, including valve body 1, valve body 1 is arranged on the cap of battery
On 6, the bottom of the valve body 1 is provided with air inlet 11, is offered in the upper lateral part of valve body 1 horizontal in venthole 14, the middle part of valve body 1
To form one carry passage 161 dividing plate 16, the dividing plate 16 by the inner chamber of valve body 1 be separated into above and below two parts, outlet
Hole 14 is arranged on the sidepiece of valve body 1 of the top of dividing plate 16, and venthole 14 is connected by passage 161 with air inlet 11, in dividing plate 1
On the check valve sheet 2 for closing passage 161 is installed, check valve sheet 2 is in the circle lid-like that section is T-shaped, check valve sheet 2
It is made of sponge, positioning convex column 21 is provided with the middle part of the lower surface of check valve sheet 2, the middle part of dividing plate 16, which is provided with, supplies positioning convex column 21
Fixed centre bore is planted, passage 161 is arranged circumferentially at the edge of dividing plate 16 around the centre bore, the lid of check valve sheet 2 is set
Passage 161 is sealed on dividing plate 16, the inner chamber upper center of valve body 1 forms upper center phase downwards with check valve sheet 2
The convex portion 17 supported, convex portion 17 is cylindrical, and the lower end of convex portion 17 is in the cone structure of undergauge, when the gas pressure in battery surpasses
When crossing rated pressure, the edge of check valve sheet 2 is upwardly-deformed under the effect of the pressure to be tilted, and passage 161 is opened, gas from
Passage 161 is discharged along venthole 14；The valve body 1 is in the post matched with the circular mounting hole on the cap 6 of battery
Plug-like structure, the lower outside of valve body 1 forms the external thread section 13 being threadedly coupled with circular mounting hole, the dividing plate 16 with it is outer
The upper end of thread segment 13 is flush, and the upper surface of valve body 1 forms circular edges that circular mounting hole offsets along 12, the valve body 1
Outer middle side part, the top of external thread section 13 be equipped with the first sealing ring 3, the lower end of the upper end circular edges of the valve body 1 along 12
The second sealing ring 4 is equipped with face, the venthole 14 is arranged on the side of valve body 1 between the first sealing ring 3 and the second sealing ring 4
The side relative with venthole 14 offers a groove 18 on portion, valve body 1, and a sealing block 5 is embedded in groove 18, sealing block 5
Upper and lower ends mutually tightly supported with the first sealing ring 3 and the second sealing ring 4 respectively, first sealing ring 3 is one with sealing block 5
Body formed, the upper end circular edges of the valve body 1 are distributed with along along 12 to be easy to lacking that valve body 1 is screwed off from the cap 6 of battery
Mouth 15, the middle part of the upper surface of the valve body 1 is provided with the recess 19 corresponding with convex portion 17.
In use, in corresponding circular mounting hole valve body 1 being arranged on the cap 6 of battery, when in battery
When gas pressure exceedes rated pressure, the upward compression under the effect of the pressure of check valve sheet 2, due in check valve sheet 2
Portion is offseted by convex portion 17, therefore, and the middle part of check valve sheet 2 is motionless, and edge is upturned, and passage 16 is opened, and gas is from going out
Stomata 14 is discharged so that pressure is reduced, and is substantially increased the security reliability of battery, is extended service life.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, some improvements and modifications can also be made, these change
Enter and retouch and also should be regarded as protection domain of the present utility model.
Claims (9)
1. a kind of secondary battery anti-explosion valve, including valve body (1), valve body (1) are arranged on the cap (6) of battery, it is characterised in that：
The bottom of the valve body (1) is provided with air inlet (11), is offered in the upper lateral part of valve body (1) in venthole (14), valve body laterally
Form one carry passage (161) dividing plate (16), the dividing plate (16) by the inner chamber of valve body (1) be separated into above and below two
Point, venthole (14) is connected by passage (161) with air inlet (11), and being provided with dividing plate (16) can be by passage
(161) sealed check valve sheet (2), valve body (1) inner chamber upper end forms what is offseted with the upper center of check valve sheet (2) downwards
Convex portion (17), when the gas pressure in battery exceedes rated pressure, the edge of check valve sheet (2) under the effect of the pressure to
Upper deformation is tilted, and passage (161) is opened, and gas is discharged from passage (161) along venthole (14).
2. secondary battery anti-explosion valve according to claim 1, it is characterised in that：The check valve sheet (2) is T-shaped in section
Circle lid-like, check valve sheet is made of sponge, and positioning convex column (21), dividing plate are provided with the middle part of the lower surface of check valve sheet (2)
(16) middle part, which is provided with, plants fixed centre bore for positioning convex column (21), and passage (161) is set around the centre bore ring
The edge in dividing plate (16) is put, check valve sheet (2) lid is located at passage (161) sealing on dividing plate (16).
3. secondary battery anti-explosion valve according to claim 2, it is characterised in that：The convex portion (17) is arranged in valve body (1)
The upper center of chamber, convex portion (17) are cylindrical, and the lower end of convex portion (17) is in the cone structure of undergauge.
4. secondary battery anti-explosion valve according to claim 3, it is characterised in that：The valve body (1) is in the cap with battery
(6) the piston-shaped structure that the circular mounting hole on matches, the lower outside of valve body (1) is formed to be connected with circular mounting hole screw thread
The external thread section (13) connect, the dividing plate (16) and the upper end of external thread section (13) are flush, and the upper surface of valve body (1) is formed
The circular edges edge (12) that circular mounting hole offsets.
5. secondary battery anti-explosion valve according to claim 4, it is characterised in that：Outer middle side part, the external screw thread of the valve body (1)
The first sealing ring (3) is equipped with above section (13), the upper end circular edges of the valve body (1) are equipped with along along the lower surface of (12)
Second sealing ring (4), the venthole (14) is arranged on valve body (1) side between the first sealing ring (3) and the second sealing ring (4)
Portion.
6. secondary battery anti-explosion valve according to claim 5, it is characterised in that：With venthole (14) phase on the valve body (1)
To side offer a groove (18), a sealing block (5) is embedded in groove (18), the upper and lower ends difference of sealing block (5)
With the first sealing ring (3) and the second sealing ring (4) tight against.
7. secondary battery anti-explosion valve according to claim 6, it is characterised in that：First sealing ring (3) and sealing block (5)
It is formed in one.
8. the secondary battery anti-explosion valve according to claim 1 to 7 any claim, it is characterised in that：The valve body (1)
The breach (15) for being easy to screw off valve body (1) from the cap (6) of battery is distributed with along along (12) in upper end circular edges.
9. the secondary battery anti-explosion valve according to claim 1 to 7 any claim, it is characterised in that：The valve body (1)
Upper surface middle part be provided with the recess (19) corresponding with convex portion (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621038693.4U CN206478269U (en) | 2016-08-24 | 2016-08-24 | A kind of secondary battery anti-explosion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621038693.4U CN206478269U (en) | 2016-08-24 | 2016-08-24 | A kind of secondary battery anti-explosion valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206478269U true CN206478269U (en) | 2017-09-08 |
Family
ID=59756477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621038693.4U Active CN206478269U (en) | 2016-08-24 | 2016-08-24 | A kind of secondary battery anti-explosion valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206478269U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577951A (en) * | 2020-05-21 | 2020-08-25 | 捷纯汽车技术(长春)有限公司 | Valve with a valve body |
| CN112066057A (en) * | 2020-09-02 | 2020-12-11 | 广东金悦诚蓄电池有限公司 | Split butt-joint type safety valve of vehicle storage battery |
| CN112335097A (en) * | 2019-03-06 | 2021-02-05 | 株式会社Lg化学 | Battery module having structure capable of preventing air from flowing into module when thermal runaway occurs, and battery pack including the same |
-
2016
- 2016-08-24 CN CN201621038693.4U patent/CN206478269U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112335097A (en) * | 2019-03-06 | 2021-02-05 | 株式会社Lg化学 | Battery module having structure capable of preventing air from flowing into module when thermal runaway occurs, and battery pack including the same |
| CN111577951A (en) * | 2020-05-21 | 2020-08-25 | 捷纯汽车技术(长春)有限公司 | Valve with a valve body |
| CN111577951B (en) * | 2020-05-21 | 2022-07-12 | 捷纯汽车技术(长春)有限公司 | Valve with a valve body |
| CN112066057A (en) * | 2020-09-02 | 2020-12-11 | 广东金悦诚蓄电池有限公司 | Split butt-joint type safety valve of vehicle storage battery |
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