CN109268562B - Novel electromagnetic pressure relief valve for supercharger - Google Patents
Novel electromagnetic pressure relief valve for supercharger Download PDFInfo
- Publication number
- CN109268562B CN109268562B CN201811141692.6A CN201811141692A CN109268562B CN 109268562 B CN109268562 B CN 109268562B CN 201811141692 A CN201811141692 A CN 201811141692A CN 109268562 B CN109268562 B CN 109268562B
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- Prior art keywords
- iron core
- sealing body
- conical surface
- lip
- movable iron
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses a novel electromagnetic pressure relief valve for a supercharger, which comprises a winding, a shell, a movable iron core and a fixed iron core, wherein the winding is fixedly arranged in the shell, the fixed iron core is arranged in the winding, a guide rod is fixedly arranged in the fixed iron core, the movable iron core is sleeved on the guide rod, the movable iron core is positioned below the fixed iron core, a clearance groove corresponding to the movable iron core is formed in the bottom of the fixed iron core, a spring is fixedly arranged between the fixed iron core and the movable iron core, a support body is fixedly connected to the bottom of the shell, a sealing body and a gasket are sleeved at the bottom of the movable iron core, a lip ring is arranged between the support body and the sealing body, and the outer circle sealing surface of the sealing body is provided with an upper conical surface and a lower conical surface which are opposite to each other. The invention can effectively prevent the pressure release valve from surging, and can also improve the reaction speed of the pressure release valve and avoid the adverse effect on the supercharging effect.
Description
Technical Field
The invention relates to the technical field of automobile turbocharging electromagnetic valves, in particular to a novel electromagnetic pressure relief valve for a supercharger.
Background
At present, the turbocharging technology is popular with people more and more because the efficiency of an engine can be effectively improved, and the turbocharging technology becomes one of the main trends of energy conservation and environmental protection in the gasoline energy era. In addition, since a supercharged engine with a throttle valve forms an approximately closed volume between the compressor and the throttle valve after the accelerator pedal is suddenly released, turbocharger surge is extremely easy to cause. Therefore, with the development of the turbocharging technology, the pressure relief electromagnetic valve for the supercharger is widely applied, and the pressure relief electromagnetic valve can realize rapid pressure relief when an accelerator pedal is released under the control of the ECU, so that the surge of the supercharger is prevented. However, just because the relief valve needs to realize quick relief, the working stroke of the relief valve is long, generally (5.0-6.0) mm, and the following problems still exist for the current electromagnetic relief valve:
1. the outer circular surface of the sealing body sealed with the lip ring in the existing pressure relief valve is a cylindrical surface or a conical surface, so that the pressure relief valve can ensure that the movable iron core is subjected to movement resistance in the whole working process due to the cylindrical sealing surface, the starting voltage and the response speed are greatly increased, the electromagnetic valve is disabled under the condition that the voltage range of the storage battery of the automobile engine is certain, the pressure relief speed is low, and the working efficiency is low; or the lip-shaped ring is always in a stressed state under the action of spring force when the conical surface is in a natural state, the size of the inner lip is gradually increased, the pressure release valve cannot be sealed when the pressure release valve is actually installed on an engine to work, and the pressure increase speed is low or the pressure cannot be increased when the engine needs to be increased.
2. The movable iron core and the sealing body are connected in the prior pressure release valve in a fixed way, and the movable iron core has long moving distance during working, so the coaxiality requirements on the sealing body, the movable iron core and the guide rod are quite high, and if the coaxiality between the sealing body and the armature is not good during the fixed connection, the blocking phenomenon is easy to occur, so that the pressure release valve is invalid, the supercharger is surge, and even extra noise is caused.
Disclosure of Invention
The invention aims to solve the problems that an electromagnetic pressure relief valve in the prior art is poor in pressure increasing effect and a movable iron core is easy to clamp, and provides a novel electromagnetic pressure relief valve for a supercharger.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a novel electromagnetic relief valve for booster, includes winding, casing, moves the iron core and decides the iron core, winding fixed mounting is in the inside of casing, the inside at the winding of deciding the iron core is fixed to the installation, the inside fixed mounting who decides the iron core has the guide bar, move the iron core and cup joint on the guide bar, move the below that the iron core is located, the bottom of deciding the iron core has been seted up and has been moved the corresponding position groove that keeps away of iron core, fixed the iron core and move between the iron core fixed mounting have the spring jointly, the bottom fixedly connected with supporter of casing, sealing body and gasket have been cup jointed to the bottom of moving the iron core, install the lip circle between supporter and the sealing body, the excircle sealed face of sealing body sets up to conical surface and lower conical surface, and go up conical surface and lower conical surface each other reverse.
Preferably, the bottom of moving the iron core is provided with first step and second step, first step is located the top of second step, and the external diameter of first step is greater than the external diameter of second step, the seal body is installed on first step, the height of first step is greater than the thickness of seal body, and adopts gap connection between seal body and the iron core that moves, the gasket is installed on the second step, and adopts interference connection between gasket and the iron core that moves.
Preferably, the gasket and the movable iron core are locked by riveting.
Preferably, the junction of the upper conical surface and the lower conical surface corresponds to the sealing position of the sealing body and the lip-shaped ring.
Preferably, the lip ring comprises an inner lip, and the root outer diameter of the upper conical surface is larger than the diameter of the inner lip of the lip ring.
Compared with the prior art, the invention provides the novel electromagnetic pressure relief valve for the supercharger, which has the following beneficial effects:
1. according to the pressure release valve, the sealing body is sleeved on the movable iron core through the first step, and the step height of the first step is higher than the installation thickness of the sealing body, and the sealing body is in clearance connection with the first step in the axial direction and the radial direction, so that the two parts can rotate flexibly relatively, the sealing body can be automatically aligned and can not be blocked when the coaxiality of the movable iron core and the guide rod is poor, the pressure release valve is opened, the movable iron core can move flexibly, and the pressure release valve is effectively ensured to prevent surging.
2. The external circular sealing surface of the sealing body in the pressure relief valve is designed into two reverse conical surfaces, the intersection point of the two reverse conical surfaces is arranged at the sealing point of the sealing body and the lip-shaped ring in the installation state of the pressure relief valve, and the root size of the upper conical surface is larger than the inner lip size of the lip-shaped ring, so that the sealing body does not need to overcome radial pressure and axial friction force generated by the lip-shaped ring due to the action of air pressure in the moving process of the movable iron core during the installation work of the pressure relief valve, the opening of the pressure relief valve is facilitated, the response speed is improved, the pressure relief speed is high, and the surge prevention effect is good; on one hand, the lip-shaped ring of the pressure release valve is free from acting force in a natural state (non-installation state), the lip-shaped ring is prevented from being always stressed under the action of spring force, the diameter of the inner lip is increased, the pressure release valve is prevented from being incapable of sealing in the installation state, the supercharging effect of an engine is reduced, and even the supercharging failure is avoided
The device has the advantages that the parts which are not involved in the device are the same as or can be realized by adopting the prior art, the surge of the pressure relief valve can be effectively prevented, the reaction speed of the pressure relief valve can be improved, and the adverse effect on the supercharging effect is avoided.
Drawings
Fig. 1 is a schematic structural diagram of a novel electromagnetic pressure relief valve for a supercharger;
fig. 2 is a schematic structural diagram of a portion a of the novel electromagnetic relief valve for a supercharger according to the present invention.
In the figure: 1 winding, 2 shell, 3 support body, 4 lip shape circle, 5 sealing body, 6 gasket, 7 movable iron core, 8 guide bar, 9 spring, 10 fixed iron core, 41 inner lip, 51 lower conical surface, 52 upper conical surface.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-2, the novel electromagnetic pressure release valve for supercharger comprises a winding 1, a housing 2, a movable iron core 7 and a fixed iron core 10, wherein the winding 1 is fixedly installed in the housing 2, the fixed iron core 10 is installed in the winding 1, a guide rod 8 is fixedly installed in the fixed iron core 10, the installation mode is the prior art, details are omitted, the movable iron core 7 is sleeved on the guide rod 8, the movable iron core 7 is located below the fixed iron core 10, a position avoiding groove corresponding to the movable iron core 7 is formed in the bottom of the fixed iron core 10, a spring 9 is fixedly installed between the fixed iron core 10 and the movable iron core 7 together, the spring 9 is located in the position avoiding groove, a support body 3 is fixedly connected to the bottom of the housing 2, a sealing body 5 and a gasket 6 are sleeved at the bottom of the movable iron core 7, a lip ring 4 is installed between the support body 3 and the sealing body 5, the outer circle sealing surface of the sealing body 5 is set to be an upper conical surface 52 and a lower conical surface 51, and the upper conical surface 52 and the lower conical surface 51 are mutually opposite, so that the appearance of the sealing body 5 is similar to a spindle shape.
The bottom of moving iron core 7 is provided with first step and second step, and first step is located the top of second step, and the external diameter of first step is greater than the external diameter of second step, and seal body 5 is installed on first step, and the height of first step is greater than the thickness of seal body 5, and adopts gap connection between seal body 5 and the moving iron core 7 for 5 activity cup joints on moving iron core 7, and gasket 6 is installed on the second step, and adopts interference connection between gasket 6 and the moving iron core 7, makes on 6 fixed cup joints's the moving iron core 7.
The gasket 6 and the movable iron core 7 are locked by riveting.
The junction of the upper tapered surface 52 and the lower tapered surface 51 corresponds to the seal of the sealing body 5 and the lip ring 4.
The lip ring 4 includes an inner lip 41, and the root outer diameter of the upper tapered surface 52 is larger than the diameter of the inner lip 41 of the lip ring 4.
According to the invention, two steps are arranged at the lower end of the movable iron core 7, the sealing body 5 is arranged on the first step, the height of the first step is higher than the installation thickness of the sealing body 5, the outer diameter of the first step is smaller than the installation inner diameter of the sealing body 5, the gasket 6 is arranged on the second step, and the fixed connection mode of interference or riveting locking is adopted to connect the movable iron core 7 and the sealing body 5, so that the movable iron core 7 and the sealing body 5 form axial and radial gap connection, the two parts can rotate flexibly relatively, when the coaxiality of the movable iron core 7 and the guide rod 8 is poor, the sealing body 5 can automatically align and can not generate the blocking phenomenon, the opening of the pressure relief valve is facilitated, the movement of the movable iron core 7 can be flexible, the surge prevention of the pressure relief valve is effectively ensured, the sealing is realized, the outer circle sealing surface of the 5 is designed into two reverse conical surfaces, the intersection point of the two reverse conical surfaces is arranged at the sealing point of the sealing body 5 and the lip ring 4 in the installation state of the pressure relief valve, the root outer diameter of the upper conical surface 52 of the sealing body 5 is larger than the inner lip size of the lip ring 4, the free movement resistance of the movable iron core 7 in the installation working state of the pressure relief valve is enabled to be free, and the free from the deformation of the lip ring (the working state is not influenced by the pressure-boosting effect in the installation state of the working state is avoided when the pressure is not influenced by the working state).
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (2)
1. The utility model provides a novel electromagnetic relief valve for supercharger, includes winding (1), casing (2), moves iron core (7) and decides iron core (10), its characterized in that, winding (1) fixed mounting is in the inside of casing (2), the inside at winding (1) of fixing iron core (10) is installed, the inside fixed mounting who decides iron core (10) has guide bar (8), move iron core (7) and cup joint on guide bar (8), move iron core (7) and be located the below of deciding iron core (10), the clearance groove corresponding with moving iron core (7) has been seted up to the bottom of deciding iron core (10), it has spring (9) to decide iron core (10) and move between iron core (7) together fixed mounting, the bottom fixedly connected with supporter (3) of casing (2), the bottom of moving iron core (7) cup joints sealing body (5) and gasket (6), install lip ring (4) between supporter (3) and sealing body (5), the sealed face setting up to step (52) and step (51) down in the second conical surface (51) and the outside diameter of step (51) and second conical surface (51) are located in the opposite direction, and the second conical surface (51) is located the outside diameter of step (51), the sealing body (5) is arranged on a first step, the height of the first step is larger than the thickness of the sealing body (5), the sealing body (5) is connected with the movable iron core (7) through a gap, the gasket (6) is arranged on a second step, the gasket (6) is connected with the movable iron core (7) through interference, the joint of the upper conical surface (52) and the lower conical surface (51) corresponds to the sealing part of the sealing body (5) and the lip-shaped ring (4), the lip-shaped ring (4) comprises an inner lip (41), and the root outer diameter of the upper conical surface (52) is larger than the diameter of the inner lip (41) of the lip-shaped ring (4).
2. The novel electromagnetic pressure relief valve for the supercharger according to claim 1, wherein riveting locking is adopted between the gasket (6) and the movable iron core (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811141692.6A CN109268562B (en) | 2018-09-28 | 2018-09-28 | Novel electromagnetic pressure relief valve for supercharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811141692.6A CN109268562B (en) | 2018-09-28 | 2018-09-28 | Novel electromagnetic pressure relief valve for supercharger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109268562A CN109268562A (en) | 2019-01-25 |
| CN109268562B true CN109268562B (en) | 2023-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811141692.6A Active CN109268562B (en) | 2018-09-28 | 2018-09-28 | Novel electromagnetic pressure relief valve for supercharger |
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| Country | Link |
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| CN (1) | CN109268562B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221245A (en) * | 2014-05-29 | 2016-01-06 | 王耀庭 | A kind of pressurized machine electric control electromagnetic Decompression valves of good airproof performance |
| CN104930245B (en) * | 2015-04-29 | 2017-08-25 | 博格华纳汽车零部件(宁波)有限公司 | Bypass the sealing structure and its method of relief valve |
| CN204756077U (en) * | 2015-07-29 | 2015-11-11 | 博格华纳汽车零部件(宁波)有限公司 | Sealing device of bypass relief valve |
| CN205331562U (en) * | 2016-01-14 | 2016-06-22 | 王耀庭 | Electromagnetism tee bend proportional valve for turbo charger |
| CN209294524U (en) * | 2018-09-28 | 2019-08-23 | 贵州新安航空机械有限责任公司 | A kind of novel supercharger electromagnetic relief valve |
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2018
- 2018-09-28 CN CN201811141692.6A patent/CN109268562B/en active Active
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| CN109268562A (en) | 2019-01-25 |
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