CN204827683U - Electronic air throttling flap body - Google Patents
Electronic air throttling flap body Download PDFInfo
- Publication number
- CN204827683U CN204827683U CN201520566130.1U CN201520566130U CN204827683U CN 204827683 U CN204827683 U CN 204827683U CN 201520566130 U CN201520566130 U CN 201520566130U CN 204827683 U CN204827683 U CN 204827683U
- Authority
- CN
- China
- Prior art keywords
- valve block
- inner chamber
- axis body
- electronic air
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Electrically Driven Valve-Operating Means (AREA)
Abstract
The utility model provides an electronic air throttling flap body, it is including a valve body body, an axis body, a valve block and an electrical control drive assembly, it is fixed with the valve block of the inner chamber of valve body body that the axis body passes the valve body body, axis body and electrical control drive assembly's motor passes through transmission to be connected, the valve block be with the airtight complex disk shape in the cross -section of inner chamber, the axial lead of axis body and inner chamber intersects and just is 45-65 contained angles, the axis body passes valve block center and fixed with the valve block, electronic air throttling flap body is still including an elastic element, and elastic element is fixed with the axis body outside the inner chamber. The valve block that inserts through setting up the axis body slope drives the inner chamber of valve block spiral rotation in order to seal, to open the valve body body, and is further, restores to the throne to the axis body through setting up elastic element for electronic air throttling flap body's sealed better, difficult card is stifled and can clean by oneself and prevent that the greasy dirt from piling up.
Description
Technical field
The utility model relates to a kind of electronic air throttle body.
Background technique
Along with the industrialization of automobile industry new energy power, require that motor energy consumption reduces, the proposal of zero-emission, new engine designs considers non-oil plant power or battery-operated, and new energy engine requires to improve very high requirement to electronic throttle body of laws assembly sealing.For adapting to the demand of new work engine, when engine-off, electronic throttle bodies also can be closed completely, namely and completely cuts off air flowing, engine is thoroughly stopped.
At present, Chinese patent (publication number CN104131902A) discloses a kind of electric spray type motorcycle throttle valve valve body assembly, comprise throttle valve body, throttle valve body is provided with air inlet hole body, be provided with butterfly valve through butterfly valve axle in air inlet hole body, butterfly valve axle one end is connected with helical spring, and the other end is connected with throttle butterfly driver, throttle butterfly driver is provided with circuit board, and throttle valve body comprises valve body pedestal and is arranged on the valve body positioning hole at valve body pedestal two ends.
The defect of technique scheme is, due to the butterfly valve type valve body that it adopts, has gap when throttle blade coordinates with inner chamber, causes poorly sealed, especially in fuel cells applications, closes air flowing when requiring that engine stops.As shown in Fig. 3 in above-mentioned patent documentation, the disc of valve block needs to coordinate with the intracavity section of valve body, produce gap unavoidably, and valve block may be stuck in inner chamber when closing.On the other hand, the design of butterfly valve product be valve block pass throttle plate pin middle groove in and be locked on axle, by axle rotating band moving valve plate to coordinate with the inner chamber of housing close time, air can be leaked by axle and sheet, inner chamber junction.That is, axle is perpendicular to the shaft axis of valve block, inner chamber, and axle has to pass through the cooperation place of valve block and inner chamber, such axle, valve block can contact with inner chamber on a point, causes easily to produce gap herein and cause leaking or holding dirt.
Model utility content
The technical problems to be solved in the utility model be easily cause leaking to overcome throttle valve body, the defect of blocking and easy accumulation dirt, provide a kind of and seal better, the not easily electronic air throttle body that cleans of blocking and being convenient to.
The utility model solves above-mentioned technical problem by following technical proposals:
A kind of electronic air throttle body, it includes a valve body body, an axis body, a valve block and an electrical control driven unit, the valve block that described axis body passes the inner chamber of described valve body body and described valve body body is fixed, described axis body is connected by transmission device with the motor of described electrical control driven unit, its feature is, described valve block is the disk shape with the cross section close fit of described inner chamber, and described axis body is crossing with the shaft axis of described inner chamber and in 45 ° ~ 65 ° angles;
Described axis body is through described valve block center fixing with described valve block, and described axis body is for rotate and described valve block makes described inner chamber close in the rotation of described inner chamber internal spiral or is communicated with;
Described electronic air throttle body also includes an elastic element, described elastic element is fixed with described axis body outside described inner chamber, described elastic element is used for the savings elastic potential energy when described axis body rotates, and does not provide at described motor and rotate described axis body during power and make described valve block close described inner chamber.
That is, axis body passes the mid point of valve block and rotarily drives the rotation of valve block at inner chamber internal spiral, valve block can with the cross section close fit of inner chamber with closed inner chamber in rotary course, and this spinning movement can also make valve block carry out Automatic clearance to the greasy dirt piled up in inner chamber.
At valve block by when becoming open mode with the closed state of inner chamber close fit along with the rotation of axis body, the elastic element fixed with axis body puts aside elastic potential energy.At this moment, if desired inner chamber is closed, two kinds of approach can be had, one is with the state being with moving valve plate to be back to closed inner chamber by the electric machine rotation of electrical control driven unit, another kind of approach is exactly under the uncharged state of motor (such as breaking down), elastic element utilizes the elastic potential energy put aside, and drives axis body toward back rotation, inner chamber to be closed.
In addition, why valve block adopts the mode of spiral to rotate to open, close inner chamber, is because such mode can avoid the side of the build up of dirt such as dust in valve block and the connected portion of valve block, axis body etc.On the other hand, also avoid axis body, valve block contacts at same position with inner chamber, make better tightness.
Preferably, described axis body is fixed with a reseting gear outside described inner chamber, and described reseting gear and described elastic element are fixed and be snapped at the gear with described motor-driven.
That is, when motor is not charged, elastic element can drive axis body back to rotate, the reseting gear on axis body along with rotation until valve block also and then rotates and is closed by inner chamber.Limit stoper can be set on reseting gear or valve body body and better realize this function.
Preferably, described reseting gear is provided with a boss, extended on described valve body body have a confined planes, and described boss is used for described reseting gear and drives described axis body to turn to described valve block when opening described inner chamber, conflicts to stop described axis body to be rotated further with described confined planes.
That is, when inner chamber opened by needs, after allowing motor drive reseting gear rotation and then band moving valve plate to open, boss conflict confined planes prevents valve block from rotating forward again.
Preferably, electrical control driven unit also includes a control circuit board, and described control circuit board is electrically connected with described motor;
Described control circuit board is outside equipped with one for the radome of shielding electromagnetic interference.
Preferably, described valve block is provided with a circle groove along cylindrical, fills out and be provided with a seal ring in described groove.
Preferably, described valve block is embedded with a metallic sheath in the position that described axis body passes, and described metallic sheath welds with described axis body.
Preferably, described valve block is made up of engineering plastics.
Herein, engineering plastics can be valve block by molding and forming, use the benefit of engineering plastics to be to embed above-mentioned metallic sheath in the process of molding and forming.
Positive progressive effect of the present utility model is: by arranging the insertion valve block band moving valve plate spiral rotating of axis body inclination to close, to open the inner chamber of valve body body, further, by arranging elastic element, axis body is resetted, make the sealing of electronic air throttle body better, not easily blocking and can prevent greasy dirt from piling up by self-cleaning.
Accompanying drawing explanation
Fig. 1 is the structural representation of the section of the electronic air throttle body of the utility model preferred embodiment.
Fig. 2 is the structural representation of the driving mechanism of the electronic air throttle body of the utility model preferred embodiment.
Fig. 3 is the sectional view of Fig. 2 along C-C.
Fig. 4 is the stereogram of the electronic air throttle body of the utility model preferred embodiment.
Fig. 5 is the structural representation of the reseting gear assembly of the utility model preferred embodiment.
Fig. 6 is the valve block modular construction schematic diagram of the utility model preferred embodiment.
Embodiment
Lift preferred embodiment below, and come by reference to the accompanying drawings clearlyer intactly the utility model to be described.
Fig. 1 is the structural representation of the section of the electronic air throttle body of the present embodiment, Fig. 2 is the structural representation of the driving mechanism of the electronic air throttle body of the present embodiment, Fig. 3 is the sectional view of Fig. 2 along C-C, Fig. 4 is the stereogram of the electronic air throttle body of the present embodiment, and the electronic air throttle body that the present embodiment relates to as shown in figures 1-4 includes:
The printed circuit board (PCB) 16 of valve body body 1, control circuit, valve block assembly 2, limiting stopper 34, bearing 35, throttle plate pin 5, magnet 30, stop screw 32, socket 14, reseting gear 6, intermediate gear 11, direct current generator 23, Returnning spring 8, electric machine support 26 and shielding cover 15.
Wherein, the printed circuit board (PCB) 16 of control circuit, socket 14, shielding cover 15 are fixed by screw 19.Valve block assembly 2 includes a valve block, and valve block is provided with a circle groove along cylindrical, fills out and be provided with seal ring 4 (as shown in Figure 6) in groove, and in addition, the bearing of trend of the inherent groove of groove is provided with the projection of a circle for locating seal ring 4.
Throttle plate pin 5 is fixed through the valve block of valve body body 1 with the inner chamber of valve body body 1, and throttle plate pin 5 is connected by transmission device with direct current generator 23, and direct current generator 23 is electrically connected with printed circuit board (PCB) 16.Valve block is the disk shape with the cross section close fit of inner chamber, and throttle plate pin 5 is crossing with the shaft axis of inner chamber and in 45 ° ~ 65 ° angles.Throttle plate pin 5 passes valve block center and fixes with valve block, and throttle plate pin 5 makes inner chamber close or connection for rotating also valve block in the rotation of inner chamber internal spiral.Wherein, valve block is injection molded by engineering plastics, when injection moulding, inlays the stainless steel sleeve 3 for wearing throttle plate pin 5 in valve block.Throttle plate pin 5 welds together with the stainless steel sleeve 3 embedded in valve block.
Electronic air throttle body also includes a Returnning spring 8, Returnning spring 8 is outer fixing with throttle plate pin 5 at inner chamber, Returnning spring 8 is for putting aside elastic potential energy when throttle plate pin 5 rotates, and rotation throttle plate pin 5 makes valve block closed inner chamber when direct current generator 23 does not provide power.
In addition, throttle plate pin 5 is fixed with reseting gear 32 inner chamber is outer, and reseting gear 32 and Returnning spring 8 are fixed and be snapped at the gear with direct current generator 23 transmission.
In addition, as shown in Figure 5, arrange seal ring 21 between socket 14 and shielding cover 15, reseting gear is connected with 6 bearings 35 and welds on throttle plate pin 5, and magnet 30 is pressed in reseting gear 6 preformed hole.Throttle plate pin, by the intrinsic bearings of valve body, realizes connection of rolling, and reduces the frictional force of throttle plate pin when rotating.Limiting stopper 34 between valve body body 1 and bearing 35, direct current generator 23 coordinate with electric machine support 26 and fixed valve body body 1 on.A torque arm of Returnning spring 8 is suspended in the groove of reseting gear 6, and another torque arm is suspended in the preformed groove on valve body body 1.Reseting gear 6 when default location, the head contact of inserts on reseting gear 67 and stop screw 32, the inner chamber of throttle valve valve body is closed; When needs are opened, direct current generator 23 drives reseting gear 6 to overcome the reaction force of Returnning spring 8 to fully open position by driving mechanism such as intermediate gear 11 grade, boss 41 now on reseting gear 6 contacts with the confined planes 42 on valve body body, stops operating (as shown in Figure 6); When direct current generator or control circuit break down, closure can automatically return to default location under the effect of the torsion of Returnning spring.
After the assembling of control mechanism is complete, in order to prevent external environment to the interference of control mechanism and infringement, added shielding cover 15, shielding cover 15 and valve body body are connected by screw, and are also filled with sealing material between.What the material due to shielding cover adopted is metallic material, namely avoids the electronic unit of extraneous Electromagnetic Interference inside, improves the stability that control circuit runs.
The composition such as H-bridge circuit, resistance, electric capacity, power supply, inductance, triode that the printed circuit board (PCB) of control circuit forms primarily of single-chip microcomputer, metal-oxide-semiconductor (Metal-oxide-semicondutor type field effect transistor).ECU (ElectronicControlUnit, electronic control unit) after signal is input to single-chip microcomputer, according to the signal feed back of position transducer, through PID (Proportional – Integral – Derivative, proportional-integral-differential) regulate after send executive signal to H bridge, the running that H bridge controls motor arrives ECU demand angle position, and whole circuit is closed loop control.
The working procedure of the present embodiment is as follows:
Diesel engine electronic throttle body carries Drive and Control Circuit, can according to the given PWM (PulseWidthModulation of ECU, pulsewidth modulation) signal controls throttle angle degree, when ECU sends a signal to throttle body, when control circuit in throttle body receives signal, and according to the feedback signal of position transducer, analysis is compared through process chip, then send executive signal and drive direct current generator to drive circuit, direct current generator is slowed down by intermediate gear, drives reseting gear to rotate.When throttle blade follows throttle plate pin rotation, the area of change throttle body passage, namely changes the air mass flow of air inlet.
The usual default conditions of throttle body are full cut-off, make the head contact of inserts on reseting gear 77 and stop screw 32 under the twisting force of Returnning spring.Reseting gear and throttle plate pin as a whole by being welded into, reseting gear rotate time, throttle plate pin also follows rotation.If when closure (i.e. valve body chamber body) needs to open, control circuit controls electric machine rotation to fully open position, and on reseting gear boss 41 is contacted with the confined planes 42 on valve body body.When throttle body electronic circuit breaks down, reseting gear under the force of a spring, can be got back to default location Anywhere from what leave fully open position, ensure that engine health.
Although the foregoing describe embodiment of the present utility model, it will be understood by those of skill in the art that this only illustrates, protection domain of the present utility model is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present utility model and essence, can make various changes or modifications to these mode of executions, and these change and amendment all falls into protection domain of the present utility model.
Claims (7)
1. an electronic air throttle body, it includes a valve body body, an axis body, a valve block and an electrical control driven unit, the valve block that described axis body passes the inner chamber of described valve body body and described valve body body is fixed, described axis body is connected by transmission device with the motor of described electrical control driven unit, it is characterized in that, described valve block is the disk shape with the cross section close fit of described inner chamber, and described axis body is crossing with the shaft axis of described inner chamber and in 45 ° ~ 65 ° angles;
Described axis body is through described valve block center fixing with described valve block, and described axis body is for rotate and described valve block makes described inner chamber close in the rotation of described inner chamber internal spiral or is communicated with;
Described electronic air throttle body also includes an elastic element, described elastic element is fixed with described axis body outside described inner chamber, described elastic element is used for the savings elastic potential energy when described axis body rotates, and does not provide at described motor and rotate described axis body during power and make described valve block close described inner chamber.
2. electronic air throttle body as claimed in claim 1, is characterized in that, described axis body is fixed with a reseting gear outside described inner chamber, and described reseting gear and described elastic element are fixed and be snapped at the gear with described motor-driven.
3. electronic air throttle body as claimed in claim 2, it is characterized in that, described reseting gear is provided with a boss, extended on described valve body body have a confined planes, described boss is used for described reseting gear and drives described axis body to turn to described valve block when opening described inner chamber, conflicts to stop described axis body to be rotated further with described confined planes.
4. electronic air throttle body as claimed in claim 3, it is characterized in that, electrical control driven unit also includes a control circuit board, and described control circuit board is electrically connected with described motor;
Described control circuit board is outside equipped with one for the radome of shielding electromagnetic interference.
5. electronic air throttle body as claimed in claim 3, it is characterized in that, described valve block is provided with a circle groove along cylindrical, fills out and be provided with a seal ring in described groove.
6. electronic air throttle body as claimed in claim 5, it is characterized in that, described valve block is embedded with a metallic sheath in the position that described axis body passes, and described metallic sheath welds with described axis body.
7. electronic air throttle body as claimed in claim 6, it is characterized in that, described valve block is made up of engineering plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520566130.1U CN204827683U (en) | 2015-07-30 | 2015-07-30 | Electronic air throttling flap body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520566130.1U CN204827683U (en) | 2015-07-30 | 2015-07-30 | Electronic air throttling flap body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204827683U true CN204827683U (en) | 2015-12-02 |
Family
ID=54685292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520566130.1U Active CN204827683U (en) | 2015-07-30 | 2015-07-30 | Electronic air throttling flap body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204827683U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382162A (en) * | 2015-07-30 | 2017-02-08 | 上海奥众汽车部件制造有限公司 | Electronic throttle body |
| CN109751132A (en) * | 2017-11-07 | 2019-05-14 | 北京慨尔康科技发展有限公司 | A kind of throttle-valve body |
-
2015
- 2015-07-30 CN CN201520566130.1U patent/CN204827683U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382162A (en) * | 2015-07-30 | 2017-02-08 | 上海奥众汽车部件制造有限公司 | Electronic throttle body |
| CN109751132A (en) * | 2017-11-07 | 2019-05-14 | 北京慨尔康科技发展有限公司 | A kind of throttle-valve body |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102562325B (en) | The electronic air throttle body of diesel engine | |
| CN101892912A (en) | Non-contact electronic throttle | |
| JP4220504B2 (en) | Intake control system | |
| CN204827683U (en) | Electronic air throttling flap body | |
| CN201696148U (en) | Electronic throttle valve body of diesel engine | |
| CN106382162A (en) | Electronic throttle body | |
| CN208252814U (en) | A kind of gear drive opening and closing ball valve mechanism | |
| CN209875967U (en) | Integrated electric throttling stop valve without valve rod packing | |
| CN209119977U (en) | A kind of automobile electrically-controlled actuator | |
| CN203051904U (en) | Electric ball valve | |
| CN202325864U (en) | Electronic throttle valve body for diesel engine | |
| CN206206668U (en) | One kind rotates sealing type stop valve | |
| CN106662258A (en) | Fluid-circulation valve, in particular for a motor vehicle, with thrust washer and method for manufacturing such a valve | |
| CN108644448A (en) | A kind of gas meter motor valve | |
| CN102207034A (en) | Electronic throttle valve body of gasoline engine | |
| CN211624282U (en) | Manual V-shaped ball valve | |
| CN200996325Y (en) | Plastic throttling valve | |
| KR20130047293A (en) | Electronic exhaust gas recirculation actuator for internal combustion engine | |
| CN207864734U (en) | A kind of spring reset type Electric Actuator | |
| CN214035894U (en) | Electronic throttle valve body | |
| CN202360228U (en) | Electric injection timing adjusting device | |
| CN207278371U (en) | A kind of throttle body assembly | |
| CN201705955U (en) | Butterfly valve with transmission shaft anti-block external-positioning guiding structure | |
| CN203398934U (en) | Automatic control device for axial movement of wiper motor | |
| CN219317628U (en) | Butterfly valve distributed sealing structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |