CN204152653U - A kind of electronic air throttle body - Google Patents
A kind of electronic air throttle body Download PDFInfo
- Publication number
- CN204152653U CN204152653U CN201420624809.7U CN201420624809U CN204152653U CN 204152653 U CN204152653 U CN 204152653U CN 201420624809 U CN201420624809 U CN 201420624809U CN 204152653 U CN204152653 U CN 204152653U
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- CN
- China
- Prior art keywords
- motor
- plate pin
- gear
- tooth sector
- throttle plate
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 230000009347 mechanical transmission Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
The utility model discloses a kind of electronic air throttle body, comprise outer shell of the door and non-contact sensor, the output shaft of motor is provided with motor gear; Motor gear engages with intermediate gear, and the opposite side of intermediate gear engages with tooth sector; Tooth sector is coaxially connected with throttle plate pin, and the two ends of throttle plate pin are configured with rotary bearing, and throttle plate pin is provided with valve and circlip groove, and valve is arranged in the passage between suction port and air outlet, and back-up ring is entrenched in the circlip groove inside rotary bearing.The utility model can weaken the axial float of throttle plate pin, improves valve openings precision.
Description
Technical field
The utility model relates to a kind ofly is located at the inlet air pathway of motor, the throttle valve device for adjusting air inflow quantity.
Background technique
Throttle body is mounted on engine intake manifold, and a kind of device of adjusting engine air input is carried out by controlling valve block opening angle, what current most of automobile all adopted is metal boom guy type throttle body, gas pedal and throttle body is connected by a metal bracing wire, drive throttle body valve block to rotate by driver's pin accelerator pedal, then control air input of engine by air.This structure, owing to there is longer mechanical transmission, can produce mechanical wear after long-time use.Meanwhile, because mechanical transmission mechanism error is comparatively large, can not control accurately air input of engine by air.Electronic air throttle body is have employed at present in some automobiles, by the order-driven machine operation of ECU, then pass through inner a set of reduction gear functional realiey to the control of valve block opening angle, then accurately control air input of engine by air, realize the control to motor output load.This structure can control valve block angle accurately, then accurately controls air input of engine by air.
Existing electronic air throttle body has many design deficiency, such as: 1, adopt contact-type position transducer, sensors with auxiliary electrode is owing to must rely on the transmission of contact ability settling signal, after long-play, due to electric shock mechanical wear etc. factor, signal transmission distortion or sluggishness can be caused, then accurately cannot control valve body aperture, affect motor cornering ability.2, return spring, torsion spring split-type design in valve block return control mechanism; This kind of structure is installed separately at fit on two springs, and many one assembly processes, affect productive temp, and requires high in fit on difficulty, and assembling easily goes wrong, and causes two spring tail ends contacts to interfere, cannot realize rapid return function.3, throttle plate pin adopts lock pin limit structure, and detent configuration limit due to the limit accuracy of himself, and the axial float for whole axle controls not accurately, easily to cause axial float to aggravate, easily cause the faults such as valve clamping stagnation after long-play.
Model utility content
The purpose of this utility model is to provide a kind of axial float that can weaken throttle plate pin, improves the electronic air throttle body of valve openings precision.
For reaching above-mentioned purpose, the technological scheme that the utility model adopts is: provide a kind of electronic air throttle body, comprise outer shell of the door and non-contact sensor, outer shell of the door has suction port and the air outlet of connection, the inside of outer shell of the door has motor receiving cavity and gear receiving cavity; Motor embeds in motor receiving cavity, and its output shaft is provided with motor gear; Motor gear engages with intermediate gear, and the opposite side of intermediate gear engages with tooth sector; Non-contact sensor, motor gear, intermediate gear and tooth sector are encapsulated in gear receiving cavity by end cap; The inside of end cap is provided with plug, and end cap outside is provided with the socket be electrically connected with plug;
Tooth sector is coaxially connected with throttle plate pin, and the two ends of throttle plate pin are configured with rotary bearing, and throttle plate pin is provided with valve and circlip groove, and valve is arranged in the passage between suction port and air outlet, and back-up ring is entrenched in the circlip groove inside rotary bearing.
In sum, the utility model has the following advantages:
1, the utility model have employed noncontacting proximity sensor, rely on accurate electromagnetic induction transmission of signal, the deviation of signal because Mechanical Contact causes can be avoided completely, ensure that signal accurately transmits, and need not mechanical friction resistance be overcome, faster in signal transmission, speed of response, be more conducive to the rapid adjustment that engine power exports; Improve and reconcile precision.
2, the utility model have employed return spring, torsion spring integrated design, by original two springs by advanced spring winding process, be optimized to a spring, greatly reduce assembling difficulty, shorten the manufacture cycle, better achieve the continuity that valve block return is controlled.Even if when motor failure, rely on this structure that guarantee motor also can be made by setting low cruise, avoid the fault of directly casting anchor because electrical fault causes.
3, the utility model is provided with circlip groove on throttle plate pin, adopts C font retainer ring spacing; Because back-up ring adopts precision machining mode, the shifting amount of throttle plate pin can be controlled, a very little scope, to improve the positional accuracy of product, ensure good reliable operation.
Accompanying drawing explanation
Fig. 1 is the sectional view in the utility model front;
Fig. 2 is stereoscopic figure of the present utility model;
Fig. 3 is plan view of the present utility model;
Fig. 4 is the connection diagram of valve and throttle plate pin.
Wherein, 1, outer shell of the door; 2, suction port; 3, air outlet; 4, motor receiving cavity; 5, gear receiving cavity; 6, motor gear; 7, intermediate gear; 8, tooth sector; 9, socket; 10, throttle plate pin; 11, rotary bearing; 12, valve; 13, back-up ring; 14, spring seat; 15, return spring is reversed; 16, end cap; 71 intermediate gear shafts.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
In an embodiment of the present utility model, as shown in Figures 1 to 4, provide a kind of electronic air throttle body, comprise outer shell of the door 1 and non-contact sensor.Outer shell of the door 1 has suction port 2 and the air outlet 3 of connection, the inside of outer shell of the door 1 has motor receiving cavity 4 and gear receiving cavity 5.Motor embeds in motor receiving cavity 4, its output shaft is provided with motor gear 6; Motor gear 6 engages with intermediate gear 7, and the opposite side of intermediate gear 7 engages with tooth sector 8, and a gear is arranged on intermediate gear 7 axle, and intermediate gear 7 axle is fixed in gear receiving cavity 5.
Non-contact sensor comprises stators and rotators, and stator is arranged on end cap 16, and rotor is arranged on tooth sector 8.Non-contact sensor, motor gear 6, intermediate gear 7 and tooth sector 8 are encapsulated in gear receiving cavity 5 by end cap 16; Motor receiving cavity 4 also encapsulates by end cap 16; The inside of end cap 16 is provided with plug, and end cap 16 outside is provided with the socket 9 be electrically connected with plug.Intermediate gear 7 is arranged on intermediate gear shaft 71, and intermediate gear 71 is fixed in gear receiving cavity 5.
Tooth sector 8 is coaxially connected with throttle plate pin 10, the two ends of throttle plate pin 10 are configured with rotary bearing 11, throttle plate pin 10 is provided with valve 12 and back-up ring 13 groove, and valve 12 is arranged in the passage between suction port 2 and air outlet 3, and back-up ring 13 is entrenched in back-up ring 13 groove inside rotary bearing 11.
Throttle plate pin 10 is provided with spring seat 14 near the periphery, one end of end cap 16, reverses return spring 16 and is arranged on spring seat 14 and tooth sector 8 periphery, between tooth sector 8 and outer shell of the door 1.
Working principle of the present utility model and process:
The power supply of motor is provided by the plug of end cap 16; Plug is connected with the electric wire of motor; Socket 9 inside has stitch, may be used for realizing being connected with extraneous power supply, and imports plug for motor and provide power supply.The rotation of motor can be controlled by ECU, and after motor rotates, it will drive tooth sector 8 to rotate, and the rotating speed of motor can reduce by intermediate gear 7 and tooth sector 8, and its velocity ratio can be 1:18.Tooth sector 8 drives throttle plate pin 10 to rotate, and the two ends of throttle plate pin 10 are provided with rotary bearing 11, makes it can in outer shell of the door 1 inner rotation.
Tooth sector 8 is in rotation process, and rotor rotates thereupon, coordinates with the stator on end cap 16, the rotational velocity signal of throttle plate pin 10 can be sent.Produce with the circuit board drive coil be integrated on end cap 16 in rotor turns process and respond to, and by receiving coil receiving position signal, utilize the electromagnetic induction field intensity of alternation to realize non-contact measurement that is linear and angular orientation.Achieve non-contact measurement by this structure, solve touch sensor in the past work long hours after the drawback of measurement distortion that causes of mechanical wear.
Throttle plate pin 10 band movable valve 12 when rotating deflects, and valve 12 is closed condition when initial position, and the vias inner walls between suction port 2 and air outlet 3 is fitted seamless completely, and after valve 12 rotates, the gap of formation is opening degree.Be provided with back-up ring 13 in back-up ring 13 groove that one end of throttle plate pin 10 is provided with, back-up ring 13 can be C shape back-up ring; When throttle plate pin 10 vertically play time, back-up ring 13 can limit its play scope.
When throttle plate pin 10 rotates, will drive and reverse return spring 16 energy accumulation, when there is accident, throttle plate pin 10 runs out of steam, can under the effect reversing return spring 16 return, prevent unexpected generation.
Although describe in detail embodiment of the present utility model by reference to the accompanying drawings, should not be construed as the restriction of the protection domain to this patent.In the scope described by claims, the various amendment that those skilled in the art can make without creative work and distortion still belong to the protection domain of this patent.
Claims (4)
1. an electronic air throttle body, is characterized in that:
Comprise outer shell of the door and non-contact sensor, outer shell of the door has suction port and the air outlet of connection, the inside of outer shell of the door has motor receiving cavity and gear receiving cavity; Motor embeds in motor receiving cavity, and its output shaft is provided with motor gear; Motor gear engages with intermediate gear, and the opposite side of intermediate gear engages with tooth sector; Described non-contact sensor, motor gear, intermediate gear and tooth sector are encapsulated in gear receiving cavity by end cap; The inside of described end cap is provided with plug, and end cap outside is provided with the socket be electrically connected with plug;
Described tooth sector is coaxially connected with throttle plate pin, and the two ends of throttle plate pin are configured with rotary bearing, and throttle plate pin is provided with valve and circlip groove, and valve is arranged in the passage between suction port and air outlet, and back-up ring is entrenched in the circlip groove inside rotary bearing.
2. electronic air throttle body as claimed in claim 1, it is characterized in that: described intermediate gear is arranged on intermediate gear shaft, intermediate gear shaft is fixed in gear receiving cavity.
3. electronic air throttle body as claimed in claim 1, it is characterized in that: described non-contact sensor comprises stators and rotators, stator is arranged on end cap, and rotor is arranged on tooth sector.
4. electronic air throttle body as claimed in claim 1, is characterized in that: described throttle plate pin is provided with spring seat near the periphery, one end of end cap, reverses return spring fitting in spring seat and tooth sector periphery, between tooth sector and outer shell of the door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420624809.7U CN204152653U (en) | 2014-10-27 | 2014-10-27 | A kind of electronic air throttle body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420624809.7U CN204152653U (en) | 2014-10-27 | 2014-10-27 | A kind of electronic air throttle body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204152653U true CN204152653U (en) | 2015-02-11 |
Family
ID=52510776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420624809.7U Expired - Fee Related CN204152653U (en) | 2014-10-27 | 2014-10-27 | A kind of electronic air throttle body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204152653U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112639269A (en) * | 2018-09-05 | 2021-04-09 | 本田技研工业株式会社 | Throttle device of general engine |
-
2014
- 2014-10-27 CN CN201420624809.7U patent/CN204152653U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112639269A (en) * | 2018-09-05 | 2021-04-09 | 本田技研工业株式会社 | Throttle device of general engine |
| CN112639269B (en) * | 2018-09-05 | 2022-11-18 | 本田技研工业株式会社 | Throttle device of general engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Endurance test control instrument of electronic throttle valve body, and test method thereof Effective date of registration: 20180307 Granted publication date: 20150211 Pledgee: Youxian District of Mianyang City, the rural credit cooperatives of Changxin branch Pledgor: SICHUAN TIANAO ENVIRONMENTAL PROTECTION SCIENCE & TECHNOLOGY CO.,LTD. Registration number: 2018510000029 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20191227 Granted publication date: 20150211 Pledgee: Youxian District of Mianyang City, the rural credit cooperatives of Changxin branch Pledgor: SICHUAN TIANAO ENVIRONMENTAL PROTECTION SCIENCE & TECHNOLOGY CO.,LTD. Registration number: 2018510000029 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |