CN2898508Y - One-way valve - Google Patents
One-way valve Download PDFInfo
- Publication number
- CN2898508Y CN2898508Y CN 200620056047 CN200620056047U CN2898508Y CN 2898508 Y CN2898508 Y CN 2898508Y CN 200620056047 CN200620056047 CN 200620056047 CN 200620056047 U CN200620056047 U CN 200620056047U CN 2898508 Y CN2898508 Y CN 2898508Y
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- Prior art keywords
- face
- anger
- vent
- valve seat
- giving vent
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- Expired - Fee Related
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- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The utility model discloses a one-way valve which can be use in purification and sound attenuating systems of vehicle exhaust. The utility model comprises a valve seat, and the valve seat comprises an air inlet surface and an air outlet surface. The utility model is characterized in that the valve seat is provided with a plurality of ventilating pits throughout the air inlet surface and the air outlet surface, and the air outlet surface of the valve seat is provided with elastic reeds which are corresponding with the ventilating pits one by one. One end of the elastic reed is fixed on the air outlet surface, and the other end spreads into one of the ventilating pit and overshadows the very ventilating pit completely.
Description
Technical field
The utility model relates to a kind of one-way valve, especially a kind of one-way valve that is applied to the vehicle tai-gas clean-up system.
Background technique
One-way valve is used very generally as a kind of control unit that simply flows to, and traditional one-way valve generally is to adopt the spring valve cored structure, and when the pressure that is applied to valve during greater than the yield force of spring, valve is opened, thereby forms one-way passage.But this traditional one-way valve is relatively heavier, sensitivity is not high, is not suitable for equipment light or that sensitivity is higher.
Provide a kind of self-priming or minute-pressure formula one-way valve for No. 01206517 as Chinese patent application, its guide rod upper end is fixedly connected into umbrella shape with valve block, and the central hole that valve seat contacts with guide rod has press-fited a stainless steel bipyramid face lining; Valve seat top is being equipped with O-ring seal with the valve block contact position, or is that ring-type knife edge type structure and valve block constitute line contact sealing; The lower end of described guide rod is a wedge angle, and nut is installed on the guide rod.From above-mentioned introduction as can be known, more, the complex structure of the element that needs of this self-priming or minute-pressure formula one-way valve, sensitivity are not high.
Along with the continuous development of manufacturing technology, the one-way valve that structure is comparatively simplified and sensitivity is higher has appearred.A kind of pipeline air check valve that is disclosed for No. 03132489 as Chinese patent application, its composition comprises: valve seat, bonnet, annular resilient diaphragm and piston ring, valve seat has a concentric inner ring housing and an outer ring housing, by fin the two being coupled together becomes the outer shroud of hollow intake duct, annular resilient diaphragm and piston ring are installed on the internal face of outer ring housing, the outer rim of annular resilient diaphragm is clamped by valve seat outer ring housing and piston ring, tightly fits in the ring packing plane of inner edge and valve seat.But the flexible sheet of this pipeline air check valve is the ring-type cone structure, the manufacturing process complexity, and also this flexible sheet does not have protection mechanism, the easy fatigue damage of this flexible sheet when pressure is excessive, reduction of service life.
Therefore, provide a kind of highly sensitive and fatigue proof one-way valve to become the problem that industry need solve at present.
Summary of the invention
The purpose of this utility model provides a kind of highly sensitive and fatigue proof one-way valve.
The technical solution of the utility model is achieved in that provides a kind of one-way valve, it comprises a valve seat, valve seat comprises an air inlet face and a face of giving vent to anger, it is characterized in that: valve seat is provided with several and runs through air inlet face and the vent of the face of giving vent to anger, the face of giving vent to anger of valve seat is provided with several and vent elastic spring one to one, one end of elastic spring is fixed on the face of giving vent to anger, and the other end extends to one of them vent position and it is covered fully.
Wherein, vent can comprise two or more, and vent can adopt identical bore dia or bore dia inequality, and then the size and dimension of the tongue piece of elastic spring will be corresponding with it.The shape of vent can be circular, polygonal or irregularly shaped.Vent can be that straight hole also can be the hole that is provided with bending or inclination.Vent can be arranged on the middle section of valve seat and an end of elastic spring is fixed on the outer peripheral areas of the face of giving vent to anger, perhaps vent is arranged on the outer peripheral areas of the face of giving vent to anger and elastic spring is fixed on the middle section of the face of giving vent to anger, perhaps the layout that elastic spring and vent can be interlaced.The elastic spring that covers vent can be arranged along the radial direction of valve seat, also can be certain included angle with radial direction.Preferred scheme is, vent is more than three or three, and be arranged on the middle section of valve seat, equally spaced to be distributed in this central axis be on the same circumference in the center of circle to vent round the central axis of valve seat, the outer peripheral areas the other end that one end of elastic spring uniformly-spaced is fixed on valve seat extends and the vent of correspondence is covered to middle section along the radial direction of valve seat, and elastic spring fixing after its only can be to the direction motion of vertically leaving the face of giving vent to anger.
The elastic spring that adopts is straight thin slice, and its thickness is between 0.05 millimeter and 0.15 millimeter.Elastic spring comprises tongue piece, joint and fixing part, elastic spring is positioned on the face of giving vent to anger by fixing part, elastic spring covers by the vent of tongue piece with correspondence, the minimum diameter of tongue piece is greater than the maximum diameter of vent, the shape of tongue piece can be circle, ligulate, polygonal or irregularly shaped, joint is used for being produced distortion during to the stream pressure of the face of giving vent to anger by air inlet face in tongue piece is subjected to vent, tongue piece is moved towards the direction that deviates from the face of giving vent to anger, thereby vent is unlocked, and the width of joint is between 0.1 times to 0.5 times of maximum diameter of tongue piece.Elastic spring is fixed on the valve seat by fastening piece, such as screw, welding, riveted joint etc.
Further comprise several protecting components, its shape and elastic spring are roughly similar, and it is fixed on a side that deviates from the face of giving vent to anger of elastic spring.Protecting component has enough rigidity and intensity so that the distortion of elastic spring effectively is limited between the face of giving vent to anger and the protecting component.Protecting component one end is fixed in the face of giving vent to anger, and away from the free end of the face of giving vent to anger, free end forms one 1～30 angle of spending with giving vent to anger to the other end between the face for gradually.The free end of protecting component is provided with opening, and opening can be circular, polygonal or irregularly shaped.Preferred scheme is, protecting component is fixed on the face of giving vent to anger of valve seat by same fastening piece in the lump with a corresponding elastic spring, and makes the projection of protecting component on the face of giving vent to anger roughly corresponding with the profile of elastic spring.After elastic spring and protecting component all are fixed on the face of giving vent to anger, the smooth face of giving vent to anger of elastic spring, thus vent is sealed.
The face of giving vent to anger of valve seat is smooth surface, valve seat is a step cutting pattern shape, round platform diameter near air inlet face one side is bigger, round platform diameter near face one side of giving vent to anger is less, the middle section of the air inlet face of valve seat is provided with an indent cell body, and all vent all is applied in the diapire of this indent cell body and gives vent to anger between the face.Particularly, offer some tapped holes on the valve seat and be used to connect import base and outlet base.
Further comprise an air inlet base and a base of giving vent to anger, between air inlet base and the valve seat and valve seat all be connected between the base with giving vent to anger by some fastening piece hermetic seals.The air inlet base comprises a suction port, one first switching part, is provided with the first taper chamber between suction port and the joint, and wherein an end of contiguous suction port is the vertex of a cone, and joint is used for being connected with the air inlet face of valve seat.The base of giving vent to anger comprises an air outlet hole, one second switching part, be provided with the second taper chamber between the air outlet hole and second switching part, wherein an end of contiguous air outlet is the vertex of a cone, second switching part is a flange plate structure, and annular tube wall from the circumferential extension certain altitude of flange plate, the inner diameter of this annular tube wall is more than or equal to the diameter of the less round platform of the diameter of valve seat, and smaller or equal to the diameter of the bigger round platform of the diameter of valve seat, the height of this annular tube wall is more than or equal to the height of the less round platform of the diameter of valve seat.Preferably, the outer diameter of the round platform that the outer diameter of the annular tube wall of second adaptor and diameter are bigger is identical.
Wherein, be connected by fastening piece between import base and the valve seat, be connected by fastening piece between outlet base and the valve seat, such as be threaded, screw cooperates, welds, rivets, is clasped or the like with screw.The air outlet of the suction port of import base, outlet base is respectively equipped with screw thread, fin or other structures so that be connected with other pipelines in the purification sound-attenuating system of Vehicular exhaust.
As available mode, air inlet base, the base of giving vent to anger, valve seat can be one-body molded, such as directly extending outward the suction port of annular tube wall to be formed for being connected with other pipelines the tail gas clean-up sound-attenuating system from the periphery of air inlet face, in like manner the face of giving vent to anger extends the air outlet certainly.
One-way valve of the present utility model can also be used for similarly the occasion that sensitivity and serviceability are had relatively high expectations except being used for the tail gas clean-up sound-attenuating system.
The beneficial effects of the utility model are: adopt a plurality of elastic springs to seal a plurality of vents respectively, the pressure that makes each elastic spring bear diminishes, the suffered flexural stress of joint that then is used to be out of shape also diminishes, joint of the present utility model will be more durable under same width conditions, therefore, both effectively utilized the high sensitivity of elastic spring, the working life of having improved one-way valve again.
Below in conjunction with drawings and Examples the utility model is further described; but the utility model is not limited to these embodiments; any on the utility model essence spirit improvement or substitute, still belong to scope required for protection in the utility model claims.
Description of drawings
Fig. 1 is the schematic top plan view of the valve seat of one-way valve of the present utility model.
Fig. 2 is the side sectional view of the valve seat of one-way valve of the present utility model.
Fig. 3 is the elastic spring schematic representation of one-way valve of the present utility model.
Fig. 4 is the guard member schematic representation of one-way valve of the present utility model.
Fig. 5 is the side sectional view of the guard member of one-way valve of the present utility model.
Fig. 6 is the import base schematic representation of one-way valve of the present utility model.
Fig. 7 is the outlet base schematic representation of one-way valve of the present utility model.
Embodiment
Embodiment 1
Please refer to Fig. 1 to Fig. 7; one-way valve of the present utility model; the purification sound-attenuating system that is used for Vehicular exhaust; provide air in order to replenish to purifying agent in the tail gas clean-up process, it comprises an air inlet base 20, a valve seat 30, three elastic springs 40, three protecting components 50, give vent to anger base 70 and some screws.
Please refer to Fig. 6, air inlet base 20 comprises a suction port 21, one first switching part 25, be provided with the first taper chamber 23 between suction port 21 and the joint 25, one end diameter of less vicinity first switching part 25 of one end diameter of its contiguous suction port 21 is bigger, and first switching part 25 is provided with through hole 255 and is used for by screw this air inlet base 20 being connected to valve seat 30.
Please refer to Fig. 1 and Fig. 2, valve seat 30 comprises an air inlet face 33 and a face 35 of giving vent to anger, and the face of giving vent to anger 35 of valve seat 30 is smooth surface, and valve seat 30 is a step cutting pattern shape, round platform 32 diameters near air inlet face 33 1 sides are bigger, and are less near round platform 31 diameters of face 35 1 sides of giving vent to anger.The middle section of the air inlet face 33 of valve seat 30 is provided with an indent cell body 333, this indent cell body 333 is circular, when this air inlet base 20 is fixedly attached to this air inlet face 33, this indent cell body 333 is communicated with this first taper chamber 23, preferred mode is, the diameter of this indent cell body 333 is identical with the maximum diameter of this first taper chamber 23, and guarantees that when being connected and fixed they aim at mutually.On the diapire of this indent cell body 333, be provided with three vents 36 that run through this valve seat 30.Equally spaced to be distributed in this central axis be on the same circumference in the center of circle round the central axis of valve seat 30 for three vents 36.This valve seat 30 is provided with several screws (figure does not show) and is used for by some screws the air inlet base 20 and base 70 hermetic seals of giving vent to anger being connected to this valve seat 30.
Please refer to Fig. 3, three elastic springs 40 (only having shown one of them among the figure) are respective shapes, are that example describes with one of them elastic spring 40 here.This elastic spring 40 is straight thin slice, and its thickness is between 0.05 millimeter and 0.15 millimeter, preferably between 0.08 millimeter and 0.12 millimeter.Selected 0.1 millimeter in this embodiment.Elastic spring 40 comprises the circular tongue piece 46 that fixing part 41, joint 42 and diameter are bigger.Fixing part 41 is provided with through hole 410, thereby can adopt screw to pass this through hole 410 is connected in the screw hole 38 on the face of giving vent to anger 35 this elastic spring 40 is positioned on this face 35 of giving vent to anger, screw hole 38 is distributed in the outer peripheral areas of the face of giving vent to anger 35, three screw holes 38 also are that equally spaced to be distributed in this central axis be on the same circumference in the center of circle round the central axis of valve seat 30, and the same footpath that vent 36 of three screw holes 38 and its next-door neighbour is in valve seat 30 respectively upwards.After elastic spring 40 was fixed on the face of giving vent to anger 35, tongue piece 46 was in the position of corresponding vent 36.Because the minimum diameter of tongue piece 46 greater than the maximum diameter of vent 36, is straight thin slice because the face 35 of giving vent to anger is smooth surface and elastic spring 40 again, so tongue piece can cover the vent 36 of correspondence for 46 this moments fully.Joint 42 is used for being produced distortion during to the stream pressure of the face of giving vent to anger 35 by air inlet face 33 in tongue piece 46 is subjected to vent 36, make tongue piece 46 towards the direction motion that deviates from the face of giving vent to anger 35, thereby make vent 36 become opening state by the crested state, the width of joint 42 is between 0.1 times to 1 times of maximum diameter of tongue piece, preferably between 0.2 times and 0.8 times, selected 0.5 times in this embodiment.So that have good sensitivity and fatigue performance.
Please refer to Fig. 4 and Fig. 5, three protecting components 50 (only having shown one of them among the figure) are respective shapes, are that example describes with one of them protecting component 50 here.The shape of protecting component 50 and elastic spring 40 are roughly similar, and it is fixed on a side that deviates from the face of giving vent to anger 35 of elastic spring 40.Protecting component 50 has enough rigidity and intensity so that the distortion of elastic spring 40 effectively is limited between face of giving vent to anger 35 and the protecting component 50.Protecting component 50 comprises fixed end 51 and free end 56, and fixed end 51 is provided with through hole 510.In actual the use; thereby be that through hole 410 that the through hole 510 that earlier screw passed this protecting component 50 passes this elastic spring 40 again is connected to then in the screw hole 38 on the face of giving vent to anger 35 protecting component 50 and this elastic spring 40 are positioned on this face 35 of giving vent to anger in the lump, and this protecting component 50 is roughly the same with the arranged direction of this elastic spring 40.When this protecting component 50 and this elastic spring 40 by firm be fixed on this face 35 of giving vent to anger after, the free end 56 of this protecting component 50 forms one 1～30 angle of spending with giving vent to anger between the face 35.Therefore the distortion of this elastic spring 40 just is limited in this predetermined angular range.Thereby can effectively avoid fractureing because distortion is excessive or damaging this joint 42.Further be provided with opening 566 on the free end 56 of protecting component 50, opening 566 can be circular, polygonal or irregularly shaped.
Please refer to Fig. 7, the base 70 of giving vent to anger comprises an air outlet hole 71, one second switching part 75, be provided with the second taper chamber 73 between the air outlet hole 71 and second switching part 75, wherein an end of contiguous air outlet 71 is the vertex of a cone, second switching part 75 is a flange plate structure, which is provided with some through holes 755 in order to by some screws this base 70 of giving vent to anger is affixed on the face of giving vent to anger 35 of this valve seat 30.And annular tube wall 78 from the circumferential extension certain altitude of flange plate; the inner diameter of this annular tube wall 78 is more than or equal to the diameter of the less round platform 31 of diameter on the valve seat 30; and smaller or equal to the diameter of the round platform 32 that diameter is bigger on the valve seat 30, the height of this annular tube wall 78 is more than or equal to the thickness sum of height and the elastic spring 40 and the protecting component 50 of the less round platform 31 of diameter on the valve seat 30.And the outer diameter of the round platform 32 that diameter is bigger on the outer diameter of this annular tube wall 78 and the valve seat 30 is identical.Annular tube wall 78 structures of base 70 can be chimeric mutually to reach effective seal with the step cutting pattern shape structure of this valve seat 30 thereby this is given vent to anger.
Wherein, the suction port 21 of import base 20 is provided with fin 211, and the air outlet 71 of outlet base 70 is provided with screw thread 711 so that be connected with other pipelines in the purification sound-attenuating system of Vehicular exhaust.
Embodiment 2
As another kind of mode of execution of the present utility model, as available mode, air inlet base 20, valve seat 30, the base 70 of giving vent to anger can be integrated, such as directly in axial direction extending outward suction port and the air outlet of annular tube wall to be formed for being connected with other pipelines the tail gas clean-up sound-attenuating system respectively from the air inlet face 33 and the periphery of the face of giving vent to anger 35.
This tongue piece 46 can be ligulate, ellipse, fan-shaped, semicircle, polygonal or irregularly shaped.This suction port 21, air outlet 71 can be circular, polygonal or irregularly shaped.
The utility model can also adopt other fastening piece to be connected and fixed wherein each kind of parts, such as employing be threaded, screw cooperates, welds, rivets, is clasped or the like with screw.
On air inlet face 33, indent cell body 333 can be do not established, on the air inlet base 20 and the base 70 of giving vent to anger, the taper chamber can be do not established.
Elastic spring 40 and protecting component 50 can adopt independent fastening piece to be fixed on the face of giving vent to anger 35 respectively.
One-way valve of the present utility model can also be used for similarly the occasion that sensitivity and serviceability are had relatively high expectations except being used for the tail gas clean-up sound-attenuating system.
Claims (10)
1, a kind of one-way valve, it comprises a valve seat, described valve seat comprises an air inlet face and a face of giving vent to anger, it is characterized in that: described valve seat is provided with several vents that runs through described air inlet face and the described face of giving vent to anger, the face of giving vent to anger of described valve seat is provided with several and described vent elastic spring one to one, one end of described elastic spring is fixed on the described face of giving vent to anger, and the other end extends to one of them described vent position and it is covered fully.
2, one-way valve as claimed in claim 1, it is characterized in that: described vent comprises two or more, described vent is arranged on the middle section of the face of giving vent to anger and an end of described elastic spring is fixed on the outer peripheral areas of the described face of giving vent to anger, perhaps described vent is arranged on the outer peripheral areas of the described face of giving vent to anger and described elastic spring is fixed on the middle section of the described face of giving vent to anger, perhaps the layout that elastic spring and vent can be interlaced.
3, one-way valve as claimed in claim 1 is characterized in that: described elastic spring is straight thin slice, and its thickness is between 0.05 millimeter and 0.15 millimeter.
4, one-way valve as claimed in claim 1, it is characterized in that: described elastic spring comprises tongue piece, joint and fixing part, described elastic spring is positioned on the described face of giving vent to anger by described fixing part, described elastic spring covers by the vent of described tongue piece with described correspondence, the minimum diameter of described tongue piece is greater than the maximum diameter of described vent, the shape of described tongue piece can be circle, ligulate, polygonal or irregularly shaped, described joint is used for being subjected to being produced distortion during to the stream pressure of the face of giving vent to anger by air inlet face in the vent at described tongue piece, described tongue piece is moved towards the direction that deviates from the described face of giving vent to anger, thereby described vent is unlocked, and the width of described joint is between 0.1 times to 1 times of maximum diameter of described tongue piece.
5, one-way valve as claimed in claim 1; it is characterized in that: further comprise several protecting components; described protecting component one end is fixed in the described face of giving vent to anger; the other end gradually away from described give vent to anger face and and described give vent to anger between the face form the angle of one 1～30 degree, described protecting component is given vent to anger the limit deformation of described elastic spring between face and the described protecting component described.
6, one-way valve as claimed in claim 1, it is characterized in that: described valve seat is a step cutting pattern shape, round platform diameter near air inlet face one side is bigger, round platform diameter near face one side of giving vent to anger is less, the middle section of the air inlet face of described valve seat is provided with an indent cell body, and described whole vents all are applied in the diapire and described the giving vent to anger between the face of this indent cell body.
7, one-way valve as claimed in claim 6 is characterized in that: further comprise an air inlet base and a base of giving vent to anger, between described air inlet base and the valve seat and valve seat all be connected between the base with giving vent to anger by some fastening piece hermetic seals.
8, one-way valve as claimed in claim 7, it is characterized in that: the air inlet base comprises a suction port, one first switching part, be provided with the first taper chamber between suction port and the joint, wherein an end of contiguous suction port is the vertex of a cone, and joint is used for being connected with the air inlet face of described valve seat.
9, one-way valve as claimed in claim 7, it is characterized in that: the base of giving vent to anger comprises an air outlet hole, one second switching part, be provided with the second taper chamber between the air outlet hole and second switching part, wherein an end of contiguous air outlet is the vertex of a cone, second switching part is a flange plate structure, and annular tube wall from the circumferential extension certain altitude of flange plate, the inner diameter of this annular tube wall is more than or equal to the diameter of the less round platform of the diameter of described valve seat, and smaller or equal to the diameter of the bigger round platform of the diameter of described valve seat, the height of this annular tube wall is more than or equal to the height of the less round platform of the diameter of described valve seat.
10, one-way valve as claimed in claim 1; it is characterized in that: a described protecting component is fixed on the face of giving vent to anger of valve seat with a corresponding elastic spring in the lump by same fastening piece; described vent is more than three or three, and equally spaced to be distributed in this central axis be on the same circumference in the center of circle to described vent round the central axis of described valve seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620056047 CN2898508Y (en) | 2006-03-13 | 2006-03-13 | One-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620056047 CN2898508Y (en) | 2006-03-13 | 2006-03-13 | One-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2898508Y true CN2898508Y (en) | 2007-05-09 |
Family
ID=38073841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620056047 Expired - Fee Related CN2898508Y (en) | 2006-03-13 | 2006-03-13 | One-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2898508Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740760A (en) * | 2017-11-10 | 2018-02-27 | 瑞立集团瑞安汽车零部件有限公司 | A kind of novel air compressor valve plate assembly |
| CN110137410A (en) * | 2018-02-08 | 2019-08-16 | 宁德时代新能源科技股份有限公司 | Check valve, top cap subassembly, box and battery module |
-
2006
- 2006-03-13 CN CN 200620056047 patent/CN2898508Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740760A (en) * | 2017-11-10 | 2018-02-27 | 瑞立集团瑞安汽车零部件有限公司 | A kind of novel air compressor valve plate assembly |
| CN110137410A (en) * | 2018-02-08 | 2019-08-16 | 宁德时代新能源科技股份有限公司 | Check valve, top cap subassembly, box and battery module |
| US10833304B2 (en) | 2018-02-08 | 2020-11-10 | Contemporary Amperex Technology Co., Limited | One-way valve, top cover component, box and battery module |
| CN110137410B (en) * | 2018-02-08 | 2021-09-14 | 宁德时代新能源科技股份有限公司 | Check valve, top cap subassembly, box and battery module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070509 Termination date: 20130313 |