CN104716286B - Safety valve for start-stop battery of automobile - Google Patents
Safety valve for start-stop battery of automobile Download PDFInfo
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- CN104716286B CN104716286B CN201510121071.1A CN201510121071A CN104716286B CN 104716286 B CN104716286 B CN 104716286B CN 201510121071 A CN201510121071 A CN 201510121071A CN 104716286 B CN104716286 B CN 104716286B
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- valve
- valve body
- battery
- safety valve
- automobile start
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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 invention discloses a safety valve for a start-stop battery of an automobile. The safety valve comprises a valve body (2), a valve cover (4) and an electrolyte corrosion-resistant rubber cover (3), wherein the rubber cover (3) adopts an inverted cylindrical structure with a sealed top and an n-shaped longitudinal cross section; an opening is formed in the top of an inner cavity of the valve body (2); an annular convex ring (21) is arranged in an inner cavity in a middle upper part of the inner cavity (22) of the valve body, so that an annular groove (28) is formed in the middle upper part of the inner cavity (22) of the valve body; upper and lower parts of an inner cavity (23) of the annular convex ring (21) are communicated; the annular convex ring (21) is sleeved with the rubber cover (3) upside down; the opening in the top surface of the valve body (2) is covered with the valve cover (4); the safety valve is characterized in that through holes (41) communicated with the inner cavity (22) of the valve body are formed in a top surface of the valve cover (4); a gap (45) is formed between a bottom surface of the valve cover (4) and a top surface of the rubber cover (3); a non-return convex part capable of being fixed with a safety valve positioning plate (1) is arranged on an outer circumferential surface of the valve body (2). The safety valve has the advantages of low possibility of electrolyte leakage, long service life and good anti-seismic effect.
Description
Technical field
The present invention relates to a kind of relief valve technical field, a kind of especially automobile start and stop safety valve for battery.
Background technology
A kind of existing Application No. CN200420036403.3 is entitled《Non-maintaining valve controlled sealed lead-acid accumulator safety
Valve》Chinese utility model patent disclose a kind of non-maintaining valve controlled sealed lead-acid accumulator relief valve, in exhaust valve
Have in breather with the filter acid film of micropore made by plastics, have burst disk in valve body is suitable for reading.Due to increased filter acid film and preventing
Quick-fried, to being filtered from exhaust valve expellant gas and current limliting, and stop that naked light is scurried in valve, so as to improve relief valve
Explosion-proof and acid-mist performance, according to People's Republic of China's communication industry standard《Communicate with non-maintaining valve controlling sealed lead
Acid accumulator technical requirements and the method for inspection (YD/T 799-1996)》The inspection method of middle defined, makees explosion-proof performance examination to which
Test and acid-mist performance test, percent of pass is 100%.But which has the disadvantage, valve body lacks fixed structure, and shockproof effect is poor,
By during shake shake, electrolyte may be leaked valve body, affect battery, so its structure needs to improve.
The content of the invention
The technical problem to be solved is provided a kind of electrolyte and is difficult to let out for above-mentioned state of the art
Leakage, long service life, the automobile start and stop safety valve for battery that anti seismic efficiency is good and use is safe.
The present invention solve the technical scheme that adopted of above-mentioned technical problem for：This automobile start and stop safety valve for battery, including
Valve body, valve gap, the rubber shroud of electrolyte resistance corrosion, it is in " Jiong " font that the rubber shroud is the longitudinal cross-section that top is bound
Tubular construction, the body cavity open top, in the inner chamber of body cavity middle and upper part being provided with annular bead makes valve body
Inner chamber middle and upper part inner chamber forms annular groove, the inner chamber up/down perforation of the annular bead, the rubber shroud back-off and be nested with
In annular bead, the valve gap is placed in the top surface opening of valve body, it is characterised in that：Valve gap top surface is provided with and body cavity phase
The through hole of connection, leaves gap between the valve gap bottom surface and rubber shroud top surface, and being provided with valve body outer peripheral face can be with safety
The non-return convex portion that valve location-plate is mutually fixed.
Used as improvement, the non-return convex portion is the helical ring with helicoidal structure.
Improve again, the afterbody bottom surface of the helical ring it is vertically extending go out non-return projection.
As improvement, the eye-splice part being adapted to corresponding shrinkage pool on relief valve location-plate of the valve body outer peripheral face.
Improve again, the eye-splice part is trapezoidal structure for inclined-plane profile plane of projection for horizontal plane bottom.
Used as improvement, the body base is fixed with gas and can enter valve body and can prevent battery because of vibrations or electrolyte boiling
When rising, electrolyte prevents the labyrinth part that electrolyte overflows or leaks into valve body.
Improve again, the labyrinth part includes housing, dividing plate, the top perimeter of the housing is plugged in the bottom recesses of valve body
In and be fixed together with valve body, the sealing of the bottom surface of housing, be distributed with the periphery of housing bottom surface can and housing cavity
The passage being connected, the dividing plate are fixed in housing cavity at interval in the upper and lower, the two ends of neighbouring two pieces of dividing plates
Intersection is provided with the air-flow cavity that upper and lower diaphragm cavity can be made to be connected, and enables gas in automobile start and stop safety valve for battery from logical
Pore Jing inner chambers is bypassed rubber shroud and enters annular groove into housing cavity bottom Jing air-flow cavities, housing cavity top again
Jing valve gaps through hole after most and flow out the external world.
Used as improvement, the bottom surface of the valve gap is fixed with can increase valve gap intensity and the stiffener in " rice " shape, described to add
Space is left with the inwall of valve gap inner chamber respectively in the outer face of strong bar.
As improvement, annular table level, the bottom periphery and annular table of the valve gap at the valve body upper opening, are provided with
Level is placed in annular table level with being adapted.
As improvement, when the valve body is fixed on relief valve location-plate, in valve body periphery and relief valve location-plate inner chamber
Inwall between be gripped with for sealing seal washer.
Prior art is compared, and the present invention is provided with the through hole being connected with body cavity, the valve gap bottom using valve gap top surface
Gap is left between face and rubber shroud top surface, valve body outer peripheral face the non-return that can mutually fix with relief valve location-plate is provided with convex
Portion, the advantage of this structure are that non-return boss is provided with valve body, can mutually be blocked with the non-return bayonet socket of relief valve location-plate
Button, can effectively prevent automobile in shutdown process, because vibrations cause battery safety valve to eject from relief valve location-plate；Valve body
Bottom is fixed with labyrinth part, and battery is because, when vibrations or electrolyte boiling, labyrinth structure can effectively prevent battery from entering relief valve valve
Body, so as to effectively preventing the spilling of electrolyte, leaking, it is ensured that the performance of battery and life-span；Rubber cap is using with good
The rubber system of elasticity and resistance to ag(e)ing is standby, can bear electrolyte erosion, it is ensured that its physical characteristic is constant in the battery,
So as to the stability and controllability of the open and close valve pressure of relief valve can be ensured, prevent from opening relief valve because of rubber creep and aging action
Close the out of control of effect and cause battery failure, using safer.
Description of the drawings
Fig. 1 is the axonometric chart of valve body in the embodiment of the present invention；
Fig. 2 be Fig. 1 parts composition structure upset and by seal washer along axis cut open after structure decomposition figure；
Fig. 3 is the axonometric chart in Fig. 1 after valve body and the fixation of relief valve location-plate；
Fig. 4 is top view in Fig. 3；
Fig. 5 is the profile in Fig. 3 along line A-A；
Fig. 6 is profile of another kind of state along line A-A in Fig. 3；
Fig. 7 is the structure decomposition figure of Fig. 3；
Fig. 8 is the structure decomposition figure of another angle of Fig. 3；
Fig. 9 is the axonometric chart of relief valve location-plate in Fig. 3；
Figure 10 is the structure decomposition figure of Fig. 7；
Figure 11 is the structure decomposition figure of another angle of Fig. 7；
Figure 12 is the sectional view of labyrinth structure in Fig. 3.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in Figures 1 to 12, the automobile start and stop safety valve for battery of the present embodiment, including valve body 2, valve gap 4, resistance to electrolysis
The rubber shroud 3 of corrosion, tubular construction of the longitudinal cross-section in " Jiong " font that the rubber shroud 3 binds for top, institute
2 inner cavity top opening of valve body is stated, is provided with the inner chamber of 22 middle and upper part of body cavity during annular bead 21 makes body cavity 22
Upper lumen formed annular groove 28,23 up/down perforation of inner chamber of the annular bead 21,3 back-off of rubber shroud and be nested with
In annular bead 21, the valve gap 4 is placed in the top surface opening of valve body 2, and 4 top surface of valve gap is provided with and is connected with body cavity 22
Through hole 41, leave gap 45 between 3 top surface of 4 bottom surface of the valve gap and rubber shroud, being provided with 2 outer peripheral face of valve body can be with peace
The non-return convex portion that full valve location-plate 1 is mutually fixed.Non-return convex portion is the helical ring 24 with helicoidal structure.The afterbody of helical ring 24
Bottom surface it is vertically extending go out non-return projection 25.The eye-splice part being adapted to corresponding shrinkage pool on relief valve location-plate 1 of 2 outer peripheral face of valve body
26.Eye-splice part 26 is trapezoidal structure for inclined-plane profile plane of projection for horizontal plane bottom.2 bottom of valve body is fixed with gas and can enter
Valve body 2 and can prevent battery electrolyte when vibrations or electrolyte seethe with excitement from preventing electrolyte from overflowing or leaking into valve body 2
Labyrinth part.Labyrinth part includes housing 6, dividing plate 61, during the top perimeter of the housing 6 is plugged in the bottom recesses 27 of valve body 2
It is fixed together with valve body 2, the bottom surface sealing of housing 6 can be with housing cavity phase being distributed with the periphery of 6 bottom surface of housing
The passage 62 of connection, the dividing plate 61 are fixed in housing cavity at interval in the upper and lower, neighbouring two pieces of dividing plates 61
Two ends intersection is provided with the air-flow cavity 63 that upper and lower diaphragm cavity can be made to be connected, and makes the gas in automobile start and stop safety valve for battery
Jing inner chamber 23 rubber shroud can be bypassed again into housing cavity bottom Jing air-flows cavity 63, housing cavity top from passage 62
3 enter annular groove 28 most after 4 through hole of Jing valve gaps and flow out the external world.The bottom surface of valve gap 4 is fixed with can be increased valve gap semi-finals degree and be in
The stiffener 42 of " rice " shape, the outer face of stiffener 42 leave space 44 with the inwall of valve gap inner chamber 43 respectively.Open on 2 top of valve body
Annular table level 29 is provided with mouthful, the bottom periphery of the valve gap 4 is placed in annular table level 29 with annular table level 29 with being adapted.
When valve body 2 is fixed on relief valve location-plate 1, use is gripped between the inwall of 1 inner chamber of 2 periphery of valve body and relief valve location-plate
In the seal washer 11 of sealing.
Claims (9)
1. a kind of automobile start and stop safety valve for battery, including valve body (2), valve gap (4), the rubber shroud (3) of electrolyte resistance corrosion,
The rubber shroud (3) is that tubular construction is fallen in " Jiong " font in the longitudinal cross-section bound of top, valve body (2) inner cavity top
Opening, annular bead (21) is provided with the inner chamber of body cavity (22) middle and upper part makes body cavity (22) middle and upper part inner chamber shape
Cyclization connected in star (28), inner chamber (23) up/down perforation of the annular bead (21), rubber shroud (3) back-off and be placed on
In annular bead (21), the valve gap (4) is placed in the top surface opening of valve body (2), it is characterised in that：Valve gap (4) top surface is provided with
The through hole (41) being connected with body cavity (22), leaves space between valve gap (4) bottom surface and rubber shroud (3) top surface
(45) valve body (2) outer peripheral face is provided with non-return convex portion that can be mutually fixed with relief valve location-plate (1),；The non-return convex portion is
Helical ring with helicoidal structure (24).
2. automobile start and stop safety valve for battery according to claim 1, it is characterised in that：The afterbody of the helical ring (24)
Bottom surface it is vertically extending go out non-return projection (25).
3. according to arbitrary described automobile start and stop safety valve for battery in claim 1 to 2, it is characterised in that：The valve body (2)
The eye-splice part (26) being adapted to corresponding shrinkage pool on relief valve location-plate (1) of outer peripheral face.
4. automobile start and stop safety valve for battery according to claim 3, it is characterised in that：The eye-splice part (26) is level
Face bottom is trapezoidal structure for inclined-plane profile plane of projection.
5. according to arbitrary described automobile start and stop safety valve for battery in claim 1 to 2, it is characterised in that：The valve body (2)
Bottom is fixed with intake section.
6. automobile start and stop safety valve for battery according to claim 5, it is characterised in that：The intake section includes housing
(6) it is fixed together with valve body (2) in, being embedded at the bottom surface cavity (27) of valve body (2) at the top of the housing (6), housing
(6) bottom surface sealing, is distributed with the passage that can be connected with housing cavity (61) being located on the periphery of housing (6) bottom surface
(62)。
7. according to arbitrary described automobile start and stop safety valve for battery in claim 1 to 2, it is characterised in that：The valve gap (4)
Bottom surface be fixed with and can increase valve gap (4) intensity and the stiffener (42) in " rice " shape, the outer face of the stiffener (42) point
Space (44) is not left with the inwall of valve gap inner chamber (43).
8. according to arbitrary described automobile start and stop safety valve for battery in claim 1 to 2, it is characterised in that：The valve body (2)
Annular table level (29) is provided with upper opening, the bottom periphery of the valve gap (4) is placed in annular table level (29) with being adapted
In annular table level (29).
9. according to arbitrary described automobile start and stop safety valve for battery in claim 1 to 2, it is characterised in that：The valve body (2)
When being fixed on relief valve location-plate (1), it is gripped between the inwall of valve body (2) periphery and relief valve location-plate (1) inner chamber
For the seal washer (11) of sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510121071.1A CN104716286B (en) | 2015-03-19 | 2015-03-19 | Safety valve for start-stop battery of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510121071.1A CN104716286B (en) | 2015-03-19 | 2015-03-19 | Safety valve for start-stop battery of automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104716286A CN104716286A (en) | 2015-06-17 |
| CN104716286B true CN104716286B (en) | 2017-04-12 |
Family
ID=53415413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510121071.1A Active CN104716286B (en) | 2015-03-19 | 2015-03-19 | Safety valve for start-stop battery of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104716286B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994182A (en) * | 2017-12-07 | 2018-05-04 | 河北银隆新能源有限公司 | A kind of rectangular cell and battery relief valve |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04328241A (en) * | 1991-04-30 | 1992-11-17 | Fuji Photo Film Co Ltd | Safety valve for sealed nonaqueous battery |
| JP4296754B2 (en) * | 2002-05-24 | 2009-07-15 | パナソニック株式会社 | Control valve type lead acid battery |
| CN2689469Y (en) * | 2004-03-22 | 2005-03-30 | 舟山市虹达特种橡胶制品有限公司 | Safety valve of free-maintaining valve-controlled sealing plumbous acid accumulator |
| CN203445165U (en) * | 2013-09-26 | 2014-02-19 | 广东志成冠军集团有限公司 | Power type lithium battery cover plate assembly and lithium battery comprising same |
| CN203895529U (en) * | 2014-05-27 | 2014-10-22 | 浙江虹达特种橡胶制品有限公司 | Safety valve for lead-acid battery |
| CN204029907U (en) * | 2014-07-11 | 2014-12-17 | 浙江虹达特种橡胶制品有限公司 | Lithium cell safety valve |
-
2015
- 2015-03-19 CN CN201510121071.1A patent/CN104716286B/en active Active
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| Publication number | Publication date |
|---|---|
| CN104716286A (en) | 2015-06-17 |
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