CN204610076U - A kind of planetary electric EGR valve - Google Patents
A kind of planetary electric EGR valve Download PDFInfo
- Publication number
- CN204610076U CN204610076U CN201520166552.XU CN201520166552U CN204610076U CN 204610076 U CN204610076 U CN 204610076U CN 201520166552 U CN201520166552 U CN 201520166552U CN 204610076 U CN204610076 U CN 204610076U
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- China
- Prior art keywords
- slide block
- planetary
- gearbox
- pole
- egr valve
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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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- Mechanically-Actuated Valves (AREA)
- Electrically Driven Valve-Operating Means (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Abstract
The utility model discloses a kind of planetary electric EGR valve, it comprises valve body, motor is provided with in described valve body, the output terminal of described motor is connected with gearbox, the described gearbox the other end is extended with output shaft, the valve port place of described valve body lower end is provided with the center-pole of spool and fixing described spool, wherein, the upper end of described center-pole is connected with the slide block driving its linear reciprocating motion, bearing is provided with in described slide block, described output shaft is connected in eccentric hole, and described bearing is connected in described another hole eccentric by bearing shaft.The beneficial effects of the utility model are: the motor power of described planetary electric EGR valve is by being exported by output shaft after gearbox, and band movable slider and center-pole do linear reciprocating motion, and structure is simple, and transmission of power is smooth-going, and reliability is high, fast response time; Planetary gear adopts plastic materials, and slide block and eccentric wheel material adopt stainless steel-based powder metallurgy to obtain, and gently change part quality, reduce noise, reduce costs.
Description
Technical field
The utility model relates to field of automobile, particularly relates to a kind of planetary electric EGR valve.
Background technique
The EGR (EGR) of motor car engine, Main Function is that the waste gas after being burnt at outlet pipe place leads back suction tude, then enters to participate in burning to firing chamber, can reduce combustion temperature, controls NOx discharge and improve oil consumption.In the gas recirculation system (egr system) of motor, EGR valve is mainly used in the flow of regulable control EGR gas.But, excessive EGR can affect the normal work of motor, particularly low in idling, when rotating speed is little, load is large and motor is in cold operation, and when full load requires engine power performance, the waste gas of recirculation produces serious influence to the performance of motor.Therefore, according to the change of the actual conditions of motor and operating conditions, the exhausted air quantity participating in recirculation can should automatically be adjusted.
Model utility content
The purpose of this utility model is to provide a kind of planetary electric EGR valve, causes excessive influence to solve in prior art because adjusting amount of exhaust gas recirculation to motor, and structure is simple, fast response time, noise are little, reliability is high.
For reaching this object, the utility model by the following technical solutions:
A kind of planetary electric EGR valve, it comprises valve body, motor is provided with in described valve body, the output terminal of described motor is connected with gearbox, the described gearbox the other end is extended with output shaft, the valve port place of described valve body lower end is provided with the center-pole of spool and fixing described spool, wherein, the upper end of described center-pole is connected with the slide block driving its linear reciprocating motion, bearing is provided with in described slide block, described output shaft is connected in eccentric hole, and described bearing is connected in described another hole eccentric by bearing shaft.
Especially, between described slide block and center-pole, be provided with spring seat, described spring seat is provided with spring, steadily smooth when making described center-pole do linear reciprocating motion.
Especially, described gearbox adopts planetary gear, it comprises sun gear, planet wheel and gear ring, described sun gear is fixedly linked with the output terminal of described motor and engages with described planet wheel, and described planet wheel engages with the described gear ring outside it, and planetary gear bearing capacity is large, volume is little, pure torsion transmission, stable working, transmission efficiency is high.
Especially, described planetary gear adopts plastic materials to make, and both meets usage requirement, and gently changes part quality again, reduces cost of material.
Especially, described slide block and eccentric wheel material adopt stainless steel-based powder metallurgy to obtain, and can improve material property, save material, reduce costs.
The beneficial effects of the utility model are, the motor of described planetary electric EGR valve is exported by output shaft after being regulated the speed by planetary gear gearbox, output shaft band movable eccentric wheel swings, bearing on eccentric wheel follows eccentric wheel to swing, and movable slider and center-pole can be with to do linear reciprocating motion, instead of Worm Wheel System during roll bearing swing, structure is simple, transmission of power is smooth-going, and reliability is high, fast response time; Planetary gear adopts plastic materials to replace metallic material, and slide block and eccentric wheel material adopt stainless steel-based powder metallurgy to obtain, and gently change part quality, reduce noise, reduce costs.
Accompanying drawing explanation
Fig. 1 is the structural representation of the planetary electric EGR valve that the utility model embodiment 1 provides;
Fig. 2 is the right elevation of Fig. 1;
Fig. 3 is gearbox 3 and the assembling schematic diagram of eccentric wheel 4, bearing 5, bearing shaft 11, output shaft 12;
Fig. 4 is the structural representation of the planetary gear of gearbox.
In figure:
1, valve body; 2, motor; 3, gearbox; 31, sun gear; 32, planet wheel; 33, gear ring; 4, eccentric wheel; 5, bearing; 6, slide block; 7, spring seat; 8, spring; 9, center-pole; 10, spool; 11, bearing shaft; 12, output shaft.
Embodiment
The technical solution of the utility model is further illustrated by embodiment below in conjunction with accompanying drawing.
Refer to described in Fig. 1 to Fig. 4, in the present embodiment, a kind of planetary electric EGR valve, it comprises valve body 1, motor 2 is provided with in described valve body 1, the output terminal of described motor 2 is connected with gearbox 3, described gearbox 3 the other end is extended with output shaft 12, the valve port place of described valve body 1 lower end is provided with the center-pole 9 of spool 10 and fixing described spool 10, wherein, the upper end of described center-pole 9 is connected with the slide block 6 driving its linear reciprocating motion, spring seat 7 is provided with between described slide block 6 and center-pole 9, described spring seat 7 is provided with spring 8, bearing 5 is provided with in described slide block 6, described output shaft 12 is connected in the hole of eccentric wheel 4, described bearing 5 is connected in another hole of described eccentric wheel 4 by bearing shaft 11.
Described gearbox 3 adopts planetary gear, and it comprises sun gear 31, planet wheel 32 and gear ring 33, and described sun gear 31 is fixedly linked with the output terminal of described motor 2 and engages with described planet wheel 32, and described planet wheel 32 engages with the described gear ring 33 outside it; Described sun gear 31, planet wheel 32 and gear ring 33 adopt plastic materials to make, and described slide block 6 and eccentric wheel 4 material adopt stainless steel-based powder metallurgy to obtain.
Described planetary electric EGR valve in use, the power exported by described motor 2 is exported by described gearbox 3 and output shaft 12, described output shaft 12 connects described eccentric wheel 4, when described output shaft 12 can drive described eccentric wheel 4 to swing when rotated, bearing 5 on described eccentric wheel 4 also can and then swing, described bearing 5 can drive described slide block 6 and center-pole 9 linear reciprocating motion when swinging, reach the effect that valve opens and closes.
Above embodiment has just set forth basic principle of the present utility model and characteristic; the utility model does not limit by above-mentioned example; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various change and change, and these changes and change all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. a planetary electric EGR valve, it comprises valve body, motor is provided with in described valve body, the output terminal of described motor is connected with gearbox, the described gearbox the other end is extended with output shaft, the valve port place of described valve body lower end is provided with the center-pole of spool and fixing described spool, it is characterized in that, the upper end of described center-pole is connected with the slide block driving its linear reciprocating motion, bearing is provided with in described slide block, described output shaft is connected in eccentric hole, and described bearing is connected in described another hole eccentric by bearing shaft.
2. planetary electric EGR valve according to claim 1, is characterized in that, is provided with spring seat between described slide block and center-pole, and described spring seat is provided with spring.
3. planetary electric EGR valve according to claim 1, it is characterized in that, described gearbox adopts planetary gear, it comprises sun gear, planet wheel and gear ring, described sun gear is fixedly linked with the output terminal of described motor and engages with described planet wheel, and described planet wheel is meshed with the described gear ring outside it.
4. planetary electric EGR valve according to claim 3, is characterized in that, described planetary gear adopts plastic materials to make.
5. planetary electric EGR valve according to claim 1, is characterized in that, described slide block and eccentric wheel material adopt stainless steel-based powder metallurgy to obtain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520166552.XU CN204610076U (en) | 2015-03-23 | 2015-03-23 | A kind of planetary electric EGR valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520166552.XU CN204610076U (en) | 2015-03-23 | 2015-03-23 | A kind of planetary electric EGR valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204610076U true CN204610076U (en) | 2015-09-02 |
Family
ID=53962649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520166552.XU Active CN204610076U (en) | 2015-03-23 | 2015-03-23 | A kind of planetary electric EGR valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204610076U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104727988A (en) * | 2015-03-23 | 2015-06-24 | 凯龙高科技股份有限公司 | Planetary electric EGR valve |
-
2015
- 2015-03-23 CN CN201520166552.XU patent/CN204610076U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104727988A (en) * | 2015-03-23 | 2015-06-24 | 凯龙高科技股份有限公司 | Planetary electric EGR valve |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |