CN214997899U - Be applied to car turbo charger's bypass valve that admits air - Google Patents
Be applied to car turbo charger's bypass valve that admits air Download PDFInfo
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- CN214997899U CN214997899U CN202120707071.0U CN202120707071U CN214997899U CN 214997899 U CN214997899 U CN 214997899U CN 202120707071 U CN202120707071 U CN 202120707071U CN 214997899 U CN214997899 U CN 214997899U
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The utility model discloses a be applied to car turbo charger's bypass valve that admits air, it relates to the bypass valve field that admits air. The technical scheme is that the sealing device comprises an upper shell, a sealing seat and a movable valve head, wherein a limiting cylinder positioned between the movable valve head and the sealing seat is axially arranged at the end part of the upper shell in an extending manner, and a ring plate opposite to the end part of the limiting cylinder is radially arranged at the end part of the sealing seat in an extending manner; the end face of the annular plate opposite to the limiting cylinder is fixedly provided with a flexible sealing portion, an annular plate sealing portion is arranged between the flexible sealing portion and the limiting cylinder, and a conical ring sealing portion in contact with the outer side wall of the movable valve head is arranged on the annular plate sealing portion. The utility model discloses can reduce part quantity to simplify the assembly process, effectively guarantee the assembly quality simultaneously.
Description
Technical Field
The utility model relates to an intake bypass valve field, more specifically say, it relates to a be applied to automobile turbocharger's intake bypass valve.
Background
With the rapid development of modern technology, the development trend of turbochargers is to reduce the number of components, increase the rotational speed, reduce the volume and optimize the air compression ratio. The working principle of the turbocharger is as follows: the exhaust gas discharged by the engine drives the supercharger rotor to rotate, and the air is compressed and sent to the engine cylinder to be mixed with fuel oil for combustion, so that the output power of the engine is improved.
The inlet bypass valve has the function of connecting the upstream side and the downstream side of the turbocharger compressor, and when the automobile decelerates suddenly, the inlet bypass valve opens the air bypass passage to return the pressurized air at the downstream side of the compressor to the upstream side so as to release the pressure and protect the supercharger; meanwhile, the rotating speed of the supercharger can be stabilized, so that the supercharger can be rapidly switched to an acceleration state.
The prior Chinese patent with the publication number of CN206845309U discloses a novel air inlet pressure release valve of an automobile turbocharger, which comprises a plastic package shell, a fixed sleeve and a movable sleeve, wherein the bottom surface of the plastic package shell is provided with a sealing part, and the sealing part and the fixed sleeve as well as the fixed sleeve and the movable sleeve are sealed by sealing parts; the sealing element comprises a polytetrafluoroethylene sealing ring and a rubber sealing gasket, the polytetrafluoroethylene sealing ring seals the movable sealing sleeve and the fixed sleeve, and the rubber sealing gasket seals the fixed sleeve and the sealing part.
However, in the above patent, the teflon seal ring, the rubber seal gasket and the fixing sleeve are all parts to be mounted, which increases the part management cost; meanwhile, the assembly is complex, and whether the parts are matched in place or not can not be effectively ensured after the assembly.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a be applied to automobile turbocharger's bypass valve that admits air, it can reduce part quantity to simplify the assembly process, effectively guarantee assembly quality simultaneously.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the air inlet bypass valve applied to the automobile turbocharger comprises an upper shell, a sealing seat and a movable valve head, wherein a limiting cylinder positioned between the movable valve head and the sealing seat is axially arranged at the end part of the upper shell in an extending mode, and a ring plate opposite to the end part of the limiting cylinder is radially arranged at the end part of the sealing seat in an extending mode;
the end face of the annular plate opposite to the limiting cylinder is fixedly provided with a flexible sealing portion, an annular plate sealing portion is arranged between the flexible sealing portion and the limiting cylinder, and a conical ring sealing portion in contact with the outer side wall of the movable valve head is arranged on the annular plate sealing portion.
Furthermore, the limiting cylinder and the ring plate sealing part and the flexible sealing part are in contact fit.
Further, the cross-section of the flexible sealing portion includes a triangle, and a vertex end of the triangle is in contact with the ring plate sealing portion.
Furthermore, a first sinking groove matched with the flexible sealing part is arranged on the ring plate.
Furthermore, a flexible noise reduction part is fixedly arranged on the end face, far away from the flexible sealing part, of the ring plate.
Furthermore, a second sinking groove matched with the flexible noise reduction part is arranged on the ring plate.
Furthermore, a connecting section is arranged between the flexible sealing part and the flexible noise reduction part, and a connecting hole matched with the connecting section is formed in the annular plate.
Further, the flexible sealing part, the connecting section and the flexible noise reduction part are integrally formed on the sealing seat.
Further, the sealing seat is in sealing fit with the upper shell.
Furthermore, the air inlet bypass valve also comprises a lower shell connected with the upper shell, an air inlet channel and an air outlet channel are respectively arranged in the lower shell, and a driving assembly used for controlling the movable valve head to move is arranged in the upper shell; the movable valve head can be opened or closed the inside opening of intake duct, wherein be provided with the balancing hole that makes its inside cavity and intake duct intercommunication on the movable valve head, and its inside cavity with the gas outlet channel does not communicate.
To sum up, the utility model discloses following beneficial effect has:
the utility model discloses with flexible sealing and noise reduction sealing integrated on the seal receptacle, can reduce part quantity to simplify the assembly process, can effectively guarantee assembly quality and sealing performance simultaneously.
Drawings
FIG. 1 is a sectional view of an intake bypass valve applied to a turbocharger of an automobile in an embodiment;
fig. 2 is an enlarged schematic view of a portion a of fig. 1.
In the figure: 11. an upper housing; 111. a limiting cylinder; 112. a sealing groove; 12. a lower housing; 121. an air inlet channel; 122. an air outlet channel; 13. sealing the ring; 2. a sealing seat; 21. a ring plate; 22. connecting holes; 31. a stationary iron core; 32. a guide bar; 33. a spring; 34. a coil; 35. an armature; 351. a ball head; 352. a communicating hole; 36. a shaft sleeve; 41. a magnetic conduction pipe; 42. a magnetic conductive sheet; 5. a movable valve head; 51. a ball groove; 52. an annular seal; 61. a ring plate seal portion; 62. a conical ring sealing part; 71. a flexible sealing portion; 72. a flexible noise reduction portion; 73. and (4) connecting the sections.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Example (b):
an intake bypass valve applied to an automobile turbocharger, referring to fig. 1 and 2, comprises an upper housing 11, a seal seat 2 and a movable valve head 5, wherein a limiting cylinder 111 positioned between the movable valve head 5 and the seal seat 2 is axially arranged at the end part of the upper housing 11 in an extending manner, and a ring plate 21 opposite to the end part of the limiting cylinder 111 is radially arranged at the end part of the seal seat 2 in an extending manner; in this embodiment, a flexible sealing portion 71 is fixedly disposed on an end surface of the ring plate 21 opposite to the limiting cylinder 111, a ring plate sealing portion 61 is disposed between the flexible sealing portion 71 and the limiting cylinder 111, and a conical ring sealing portion 62 contacting with an outer side wall of the movable valve head 5 is disposed on the ring plate sealing portion 61; in this embodiment, the flexible sealing portion 71 is integrated on the ring plate 21, so that the number of parts can be reduced, the assembly is convenient, the ring plate sealing portion 61 is directly clamped between the limiting cylinder 111 and the flexible sealing portion 71, the assembly quality can be effectively ensured, and the sealing performance is ensured.
Referring to fig. 2, the limiting cylinder 111 is in contact fit with the ring plate sealing part 61, and the ring plate sealing part 61 is in contact fit with the flexible sealing part 71; after the assembly, the limiting cylinder 111 is matched with the ring plate 21 to clamp the ring plate sealing part 61 and the flexible sealing part 71 in the limiting cylinder, and the flexible sealing part 71 is deformed, so that the sealing property is improved; the cross section of the flexible sealing portion 71 in this embodiment includes a triangle, and the apex end of the triangle contacts the ring plate sealing portion 61; the apex angle end and the annular plate sealing part 61 contact of flexible sealing part 71, take place deformation more easily to guarantee that flexible sealing part 71 all closely contacts with annular plate sealing part 61 along the circumferencial direction, thereby guarantee the leakproofness.
Referring to fig. 1 and 2, a flexible noise reduction part 72 is fixedly arranged on the end surface of the ring plate 21 far away from the flexible sealing part 71, and the flexible noise reduction part 72 can be in contact with the movable valve head 5, so that noise can be reduced, and the running smoothness of an automobile can be optimized; a connecting section 73 is arranged between the flexible sealing part 71 and the flexible noise reduction part 72, and a connecting hole 22 matched with the connecting section 73 is arranged on the annular plate 21; in the embodiment, the flexible sealing part 71, the connecting section 73 and the flexible noise reduction part 72 are integrated on the sealing seat 2 and are encapsulated and formed at one time to form fixed connection, so that the assembly process can be reduced, and the encapsulation adhesion degree can be improved to prevent falling; in this embodiment, the ring plate 21 is provided with a first sinking groove matched with the flexible sealing portion 71 and a second sinking groove matched with the flexible noise reduction portion 72, and the first sinking groove and the second sinking groove are arranged to improve the connection stability.
Referring to fig. 2, in the present embodiment, the annular plate sealing portion 61 and the conical ring sealing portion 62 are integrally formed and made of teflon, and the flexible sealing portion 71, the connecting section 73 and the flexible noise reduction portion 72 are integrally formed and made of rubber; in other alternative embodiments, the flexible sealing portion 71 and the flexible noise-reducing portion 72 may also be fixedly connected to the ring plate 21, respectively, and the connection manner may be injection molding encapsulation, gluing, or interference embedding, which is not limited herein; meanwhile, the flexible noise reduction part 72 may be disposed at another position in the intake bypass valve where it can contact the movable valve head 5, so that a noise reduction effect can be achieved.
Referring to fig. 1 and 2, the seal seat 2 and the upper housing 11 are in a sealing fit, specifically, a seal member may be interposed between the seal seat 2 and the upper housing 11 to implement the sealing fit, or an interference fit may be used to implement the sealing, which is not limited herein; the intake bypass valve in the embodiment also comprises a lower shell 12 connected with the upper shell 11, and the edge of the sealing seat 2 is arranged between the upper shell 11 and the lower shell 12; a sealing ring 13 is arranged between the upper shell 11 and the lower shell 12, and a sealing groove 112 matched with the sealing ring 13 is formed in the end face of the upper shell 11; the sealing ring 13 can seal between the upper housing 11 and the lower housing 12, between the upper housing 11 and the sealing seat 2, and between the sealing seat 2 and the lower housing 12.
Referring to fig. 1 and 2, an air inlet channel 121 and an air outlet channel 122 are respectively arranged in the lower shell 12, and a driving assembly for controlling the movement of the movable valve head 5 is arranged in the upper shell 11; the movable valve head 5 can open or close the inner opening of the inlet channel 121, wherein the movable valve head 5 is provided with a balance hole (not shown in the drawing) which enables the inner cavity of the movable valve head to be communicated with the inlet channel 121, and the inner cavity of the movable valve head 5 is not communicated with the outlet channel 122 under the sealing of the conical ring sealing part 62, the ring plate sealing part 61 and the flexible sealing part 71.
Referring to fig. 1 and 2, in the present embodiment, the inner cavity of the movable valve head 5 is communicated with the air inlet channel 121, and under the action of air pressure, the conical ring sealing portion 62 can be tightly attached to the outer side wall of the movable valve head 5 to realize sealing, and meanwhile, the annular plate sealing portion 61 and the flexible sealing portion 71 can be attached more tightly, so that the sealing effect is improved; the end part of the movable valve head 5 is embedded with an annular sealing element 52 which can be contacted with the inner end surface of the lower shell 12, so that the sealing effect of the movable valve head 5 on the inner opening of the air inlet channel 121 can be improved.
Referring to fig. 1, the driving assembly in this embodiment includes a stationary core 31, an armature 35, a guide rod 32, and a coil 34, a bushing 36 is disposed between the armature 35 and the guide rod 32, and a spring 33 is disposed between the bushing 36 and the stationary core 31; the end of the armature 35 is connected with the movable valve head 5, so that the movable valve head 5 can be driven to move; specifically, the end of the armature 35 is provided with a ball head 351, a ball groove 51 matched with the ball head 351 is arranged in the movable valve head 5, the connection between the armature 35 and the movable valve head 5 is realized by matching the ball head 351 and the ball groove 51, and in the process of closing the movable valve head 5, the movable valve head 5 is adjusted, so that the sealing performance can be improved.
Referring to fig. 1, in the present embodiment, a magnetic conductive sheet 42 is embedded in the upper housing 11, and a magnetic conductive pipe 41 is fixedly embedded in an inner side wall of the magnetic conductive sheet 42; the magnetic conductive sheet 42 is matched with the magnetic conductive pipe 41, so that the magnetic circuit is conducted to promote the electromagnetic force, and the armature 35 moves more smoothly; in the embodiment, a gap is reserved on the outer side wall of the armature 35, so that air pressures at two ends of the armature can be kept balanced, and the armature can move smoothly; meanwhile, the side wall of the armature 35 is provided with a communication hole 352 communicated with the central hole in the armature 35, and the central hole in the armature 35 can be communicated with the outside air through the communication hole 352, so that the smooth movement of the armature 35 is ensured.
The working principle is as follows:
in use, the supercharger upstream gas is connected to the inlet duct 121 of the lower housing 12; when the intake bypass valve is not electrified, due to the elastic force action of the spring 33, the armature 35 drives the movable valve head 5 to move downwards, the internal opening of the intake passage 121 is closed, the intake passage 121 is not communicated with the exhaust passage 122, and the effect of sealing and closing is achieved; when the intake bypass valve is powered on, the armature 35 moves upward under the action of electromagnetic force, and drives the movable valve head 5 to move upward to open the internal opening of the intake passage 121, so that the intake passage 121 is communicated with the exhaust passage 122.
Claims (10)
1. The air inlet bypass valve applied to the automobile turbocharger comprises an upper shell, a sealing seat and a movable valve head, wherein a limiting cylinder positioned between the movable valve head and the sealing seat is axially arranged at the end part of the upper shell in an extending mode, and a ring plate opposite to the end part of the limiting cylinder is radially arranged at the end part of the sealing seat in an extending mode;
the method is characterized in that: the end face of the annular plate opposite to the limiting cylinder is fixedly provided with a flexible sealing portion, an annular plate sealing portion is arranged between the flexible sealing portion and the limiting cylinder, and a conical ring sealing portion in contact with the outer side wall of the movable valve head is arranged on the annular plate sealing portion.
2. The intake bypass valve applied to an automobile turbocharger according to claim 1, characterized in that: the limiting cylinder is in contact fit with the annular plate sealing part, and the annular plate sealing part is in contact fit with the flexible sealing part.
3. The intake bypass valve applied to an automobile turbocharger according to claim 1, characterized in that: the cross section of the flexible sealing part comprises a triangle, and the vertex angle end of the triangle is contacted with the annular plate sealing part.
4. The intake bypass valve applied to an automobile turbocharger according to claim 1, characterized in that: and a first sinking groove matched with the flexible sealing part is arranged on the annular plate.
5. The intake bypass valve applied to an automobile turbocharger according to claim 1, characterized in that: and a flexible noise reduction part is fixedly arranged on the end face, far away from the flexible sealing part, of the ring plate.
6. The intake bypass valve applied to an automobile turbocharger according to claim 5, characterized in that: and a second sinking groove matched with the flexible noise reduction part is arranged on the annular plate.
7. The intake bypass valve applied to an automobile turbocharger according to claim 5, characterized in that: a connecting section is arranged between the flexible sealing part and the flexible noise reduction part, and a connecting hole matched with the connecting section is formed in the annular plate.
8. The intake bypass valve applied to an automobile turbocharger according to claim 5, characterized in that: the flexible sealing part, the connecting section and the flexible noise reduction part are integrally formed on the sealing seat.
9. An intake bypass valve applied to an automobile turbocharger according to any one of claims 1 to 8, characterized in that: the sealing seat is in sealing fit with the upper shell.
10. An intake bypass valve applied to an automobile turbocharger according to any one of claims 1 to 8, characterized in that: the air inlet bypass valve also comprises a lower shell connected with the upper shell, an air inlet channel and an air outlet channel are respectively arranged in the lower shell, and a driving assembly for controlling the movable valve head to move is arranged in the upper shell; the movable valve head can be opened or closed the inside opening of intake duct, wherein be provided with the balancing hole that makes its inside cavity and intake duct intercommunication on the movable valve head, and its inside cavity with the gas outlet channel does not communicate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120707071.0U CN214997899U (en) | 2021-04-08 | 2021-04-08 | Be applied to car turbo charger's bypass valve that admits air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120707071.0U CN214997899U (en) | 2021-04-08 | 2021-04-08 | Be applied to car turbo charger's bypass valve that admits air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214997899U true CN214997899U (en) | 2021-12-03 |
Family
ID=79096918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120707071.0U Active CN214997899U (en) | 2021-04-08 | 2021-04-08 | Be applied to car turbo charger's bypass valve that admits air |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214997899U (en) |
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2021
- 2021-04-08 CN CN202120707071.0U patent/CN214997899U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215000 unit a, 1st floor, No.6 factory building, Xinxing Industrial Square, 78 Xinglin street, Suzhou Industrial Park, Jiangsu Province Patentee after: Suzhou Endofa Automotive Systems Co.,Ltd. Address before: 215000 unit a, 1st floor, No.6 factory building, Xinxing Industrial Square, 78 Xinglin street, Suzhou Industrial Park, Jiangsu Province Patentee before: SUZHOU ENDUFA AUTOMOBILE SYSTEM CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder |