CN104632422A - Sensor magnetic core and throttle valve shaft integration bidirectional limiting electronic throttle valve body - Google Patents
Sensor magnetic core and throttle valve shaft integration bidirectional limiting electronic throttle valve body Download PDFInfo
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- CN104632422A CN104632422A CN201410819003.8A CN201410819003A CN104632422A CN 104632422 A CN104632422 A CN 104632422A CN 201410819003 A CN201410819003 A CN 201410819003A CN 104632422 A CN104632422 A CN 104632422A
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- torsion spring
- magnetic core
- plate pin
- tooth sector
- throttle
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- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
The invention discloses a sensor magnetic core and throttle valve shaft integration bidirectional limiting electronic throttle valve body. The sensor magnetic core and throttle valve shaft integration bidirectional limiting electronic throttle valve body comprises a supporting assembly, a transmission assembly and a function assembly; the supporting assembly comprises a throttle valve main body (1), torsional spring supporting feet and bearings; the transmission assembly comprises a direct current motor (5), a motor gear (7), an intermediate gear (8), a sector gear (9) and a throttle valve shaft (2); the function assembly comprises a throttle valve plate (3), a position sensor (4), a pressing plate (6), torsional springs (10), a magnetic core (15) and a limiting component, the position sensor (4) is separated from the magnetic core (15) of the sensor, the magnetic core (15) and the throttle valve shaft (2) are integrated, and the position sensor (4) is installed on the throttle valve main body (1). The sensor magnetic core and throttle valve shaft integration bidirectional limiting electronic throttle valve body has the advantages that a sensor shell is separated from the magnetic core of the sensor, the magnetic core of the sensor, the throttle valve shaft and the sector gear are integrated, and accordingly the structure is compact, installation is convenient and reliable and cost is low.
Description
Technical field
The present invention relates to motor car engine, particularly a kind of sensor magnetic core and the spacing electronic air throttle body of throttle plate pin integrated bidirectional.
Background technique
Along with the development of automotive engineering, polling power controlling, the vehicle intellectualized controls such as control, idle speed control of cruising have become the standard configurations of automobile, obtain the favor of automobile vendor and client.Engine electric-controlled unit (ECU) controls to have for vehicle provides best power performance and fuel economy, improves the advantages such as motor emission performance fast accurately to electronic air throttle body, and application is more and more extensive, instead of traditional mechanical throttle valve body gradually.In current throttle body, major part uses circular throttle blade, because the matching gap of throttle blade and tb is little, be difficult to again throttle valve sheet during assembling coaxial with tb matching hole, thus cause producing and easily occurring Block failure in using process; Split type sensor needs to arrange sealing process again after rotor set screw nut, assembling on throttle plate pin, have that packaging technology is poor, difficult quality control, shortcoming that cost is higher; Arrange collar in tooth sector side to control the limit method of axial movement value, existing cannot tooth sector is integrated with throttle plate pin, defect that assembling capacity is poor.
Summary of the invention
The object of the invention is to the shortcoming overcoming prior art, a kind of assembling capacity and the high sensor magnetic core of reliability and the spacing electronic air throttle body of throttle plate pin integrated bidirectional are provided, this apparatus structure is compact, easy for installation, use that vibrations that are reliable, that produce are little, device integral rigidity is strong; And the assembling capacity of throttle blade is strong, closure clamping stagnation problem can improve.
Object of the present invention is achieved through the following technical solutions: a kind of sensor magnetic core and the spacing electronic air throttle body of throttle plate pin integrated bidirectional, and it comprises supporting part, transmission part and functional part, supporting part comprises tb, middle end leg, torsion spring leg B, torsion spring leg A, deep groove ball bearing and needle bearing, transmission part comprises direct current generator, motor gear, intermediate gear, tooth sector and throttle plate pin, functional part comprises throttle blade, position transducer, pressing plate, torsion spring, wave washer, snap lock collar, magnetic core, clip, water pipe and limit position part, motor gear is arranged on direct current generator, and intermediate gear engages with motor gear, tooth sector engages with intermediate gear, tooth sector is fixed on throttle plate pin, and transmission part is arranged in tb, and position transducer is the split of two feedback signal, non-contact position sensor, position transducer is separated with the magnetic core of sensor, and magnetic core is arranged on one end that throttle plate pin is equipped with tooth sector, and magnetic core is integrated with throttle plate pin, position transducer is connected with tb by clip, and torsion spring is arranged on tooth sector.
Described torsion spring comprises torsion spring A and torsion spring B, and the diameter of torsion spring B is less than the diameter of torsion spring A, and torsion spring B is contrary with the rotation direction of torsion spring A, torsion spring A and torsion spring B is linked together by middle end leg, torsion spring A is provided with torsion spring leg A, and torsion spring B is provided with torsion spring leg B, and torsion spring B is arranged on tooth sector.
Described pressing plate is threaded connection and is arranged on tb, and pressing plate is between motor gear and direct current generator.
Described limit position part comprises body positive stop A, body positive stop B, body position-limit mechanism B, body position-limit mechanism A, tooth sector position-limit mechanism, tooth sector positive stop B, tooth sector positive stop A, axial limiting platform A, axial limiting platform B, escapement, rotation-preventing mechanism and positive stop lug boss, escapement and rotation-preventing mechanism are arranged on one end that throttle plate pin is provided with tooth sector, tooth sector is arranged on throttle plate pin by coordinating with escapement and rotation-preventing mechanism, axial limiting platform A and axial limiting platform B is arranged on the other end of throttle plate pin, body positive stop A, body positive stop B, body position-limit mechanism B and body position-limit mechanism A is arranged on the one side of tb near tooth sector.
Described throttle plate pin is fixed with one end of tooth sector and tb cooperation place is provided with needle bearing, the other end and the tb cooperation place of throttle plate pin are provided with deep groove ball bearing, the inner ring of deep groove ball bearing and the inner ring of axial limiting platform A interference fit deep groove ball bearing and throttle plate pin transition fit, end face and the axial limiting platform A of deep groove ball bearing fit, and throttle plate pin is provided with between one end of deep groove ball bearing and tb and is provided with snap lock collar.
Described throttle blade is oval, and throttle blade is provided with two waist shaped holes and two positive stop lug boss, and throttle blade is threaded connection and is arranged on throttle plate pin.
Described tooth sector is provided with tooth sector positive stop A, tooth sector positive stop B and tooth sector position-limit mechanism.
Described wave washer is installed on the ear end face of direct current generator.
The present invention has the following advantages: the sensor housing that the present invention uses is separated with sensor magnetic core, and sensor magnetic core and throttle plate pin, tooth sector are integrated, make compact structure, easy installation and reliable, cost is low; Throttle plate pin controls axial movement value by deep groove ball bearing and snap lock collar, assembling capacity and good reliability; Throttle blade is oval, is axially minor axis, can ensures the adjustability of low idling flow, effectively improve again because of throttle blade and the little Block failure caused of tb matching gap; Torsion spring is made up of the torsion spring that two, left and right rotation direction is contrary, when one of them torsion spring lost efficacy, another torsion spring still can control throttle blade and be reset to high idle speed position, improve Security, and resonance can be reduced to minimum by the contrary torsion spring of two rotation directions, improves the torsion spring life-span; Whether water pipe arranges positive stop lug boss, be more conducive to intuitive judgment connecting hose and be in place, improve the reliability of water circulation.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of sensor magnetic core and the spacing electronic air throttle body of throttle plate pin integrated bidirectional;
Fig. 2 is the plan view of a kind of sensor magnetic core and the spacing electronic air throttle body of throttle plate pin integrated bidirectional;
Fig. 3 is the sectional view of a kind of sensor magnetic core and the spacing electronic air throttle body of throttle plate pin integrated bidirectional;
Fig. 4 is the gear face view of a kind of sensor magnetic core and the spacing electronic air throttle body of throttle plate pin integrated bidirectional;
Fig. 5 is the throttle plate pin assembly stereogram of a kind of sensor magnetic core and the spacing electronic air throttle body of throttle plate pin integrated bidirectional;
Fig. 6 is throttle plate pin schematic diagram;
Fig. 7 is throttle blade schematic diagram;
Fig. 8 is torsion spring schematic diagram;
Fig. 9 is snap lock collar schematic diagram.
In figure, 1-tb, 2-throttle plate pin, 3-throttle blade, 4-position transducer, 5-direct current generator, 6-pressing plate, 7-motor gear, 8-intermediate gear, 9-tooth sector, 10-torsion spring (comprises 34, 35), 11-wave washer, 12-deep groove ball bearing, 13-needle bearing, the collar of 14-snap lock, 15-magnetic core, 16-clip, 17-body positive stop A, 18-body positive stop B, 19-body position-limit mechanism B, 20-body position-limit mechanism A, 21-middle end leg, the right torsion spring leg of 22-, the left torsion spring leg of 23-, 24-tooth sector position-limit mechanism, 25-tooth sector positive stop B, 26-tooth sector positive stop A, 27-water pipe, 28-axial limiting platform A, 29-axial limiting platform B, 30-escapement, 31-rotation-preventing mechanism, 32-positive stop lug boss, 33-waist shaped hole, the left torsion spring of 34-, the right torsion spring of 35-, 36-water pipe.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described, and protection scope of the present invention is not limited to the following stated:
As shown in Figures 1 to 5, a kind of sensor magnetic core and the spacing electronic air throttle body of throttle plate pin integrated bidirectional, it comprises supporting part, transmission part and functional part, supporting part comprises tb 1, middle end leg 21, torsion spring leg B22, torsion spring leg A23, deep groove ball bearing 12 and needle bearing 13, transmission part comprises direct current generator 5, motor gear 7, intermediate gear 8, tooth sector 9 and throttle plate pin 2, functional part comprises throttle blade 3, position transducer 4, pressing plate 6, torsion spring 10, wave washer 11, snap lock collar 14, magnetic core 15, clip 16, water pipe and limit position part, wherein, torsion spring 10 comprises torsion spring A34 and torsion spring B35, in the present embodiment, the diameter of described torsion spring B35 is less than the diameter of torsion spring A34, torsion spring B35 is contrary with the rotation direction of torsion spring A34, water pipe comprises water pipe A27 and water pipe B36, limit position part comprises body positive stop A17, body positive stop B18, body position-limit mechanism B19, body position-limit mechanism A20, tooth sector position-limit mechanism 24, tooth sector positive stop B25, tooth sector positive stop A26, axial limiting platform A28, axial limiting platform B29 and positive stop lug boss 32, motor gear 7 is arranged on direct current generator 5, intermediate gear 8 engages with motor gear 7, tooth sector 9 engages with intermediate gear 8, in the present embodiment, tooth sector 9 is provided with tooth sector positive stop A 26, tooth sector positive stop B25, tooth sector position-limit mechanism 24, one end of throttle plate pin 2 is provided with escapement 30 and rotation-preventing mechanism 31, the other end of throttle plate pin 2 is provided with axial limiting platform A28 and axial limiting platform B29, tooth sector 9 is fixed on throttle plate pin 2 by coordinating with escapement 30 and rotation-preventing mechanism 31, transmission part is arranged in tb 1, pressing plate 6 is threaded connection and is arranged on tb 1, throttle blade 3 is provided with two waist shaped holes 33 and two positive stop lug boss 32, throttle blade 3 is threaded connection and is arranged on throttle plate pin 2, in the present embodiment, described throttle blade 3 is oval, throttle plate pin 2 is provided with one end of tooth sector 9 and tb 1 cooperation place is provided with needle bearing 13, the other end and tb 1 cooperation place of throttle plate pin 2 are provided with deep groove ball bearing 12, the inner ring of deep groove ball bearing 12 and the inner ring of axial limiting platform A28 interference fit deep groove ball bearing 12 and throttle plate pin 2 transition fit, end face and the axial limiting platform A28 of deep groove ball bearing 12 fit, in the present embodiment, described throttle plate pin 2 is provided with between one end of deep groove ball bearing 12 and tb 1 and is provided with snap lock collar 14, torsion spring A34 and torsion spring B35 is linked together by middle end leg 21, torsion spring A34 is provided with torsion spring leg A23, torsion spring B35 is provided with torsion spring leg B22, torsion spring B35 is arranged on tooth sector 9, body positive stop A17, body positive stop B18, body position-limit mechanism B19 and body position-limit mechanism A20 is arranged on the one side of tb 1 near tooth sector 9, in one end that throttle plate pin 2 is fixed with tooth sector 9, magnetic core 18 is installed, position transducer 4 is connected with tb 1 by clip 16, in the present embodiment, described position transducer 4 is the split of two feedback signal, non-contact position sensor, position transducer 4 is separated with the magnetic core 15 of sensor, in the present embodiment, described pressing plate 6 is between motor gear 7 and direct current generator 5.
As shown in Figure 4 and Figure 8, the rotation direction of described left torsion spring 34 is contrary with the rotation direction of right torsion spring 35; Left torsion spring leg 23 contacts with body position-limit mechanism A20, and right torsion spring leg 22 contacts with tooth sector position-limit mechanism 24, and middle end 21 leg contacts with body limit structure B19 with tooth sector limit structure 24.
As shown in Figure 3, Figure 4, described direct current generator 5 is arranged on tb 1 by wave washer 11 and pressing plate 6, and wave washer 11 is installed on the ear end face of direct current generator 5, and pressing plate 6 is fixed on tb 1.
As shown in Figure 5, Figure 6, described throttle plate pin 2 and tooth sector 9, sensor magnetic core 15 are an entirety; Throttle plate pin 2 is provided with axial limiting platform A28 and axial limiting platform B29; Throttle plate pin 2 is provided with escapement 30 and rotation-preventing mechanism 31.
As shown in Fig. 3, Fig. 6, described throttle plate pin 2 controls axial movement value by deep groove ball bearing 12 and snap lock collar 14.
As shown in Figure 7, described throttle blade 3 is oval, is axially minor axis, plane is provided with positive stop lug boss 32 and waist shaped hole 33.
Working procedure of the present invention is as follows: tb 1 is provided with body positive stop A17, body positive stop B18, body position-limit mechanism A20, body position-limit mechanism B19, tooth sector 9 is provided with tooth sector positive stop A26, tooth sector positive stop B25, tooth sector position-limit mechanism 24, when tooth sector 9 reverses, when tooth sector positive stop A26 contacts body positive stop B185, throttle blade 3 is positioned at fully open position, when tooth sector 9 rotates forward, when tooth sector positive stop B25 contacts on body positive stop A17, throttle blade 3 is positioned at low idle position, torsion spring 10 is formed by connecting by middle end 21 by left torsion spring 34 and right torsion spring 35, left torsion spring 34 is fixed on tb 1, right torsion spring 35 is fixed on tooth sector 9, middle end 21 contacts with body position-limit mechanism B19 with tooth sector position-limit mechanism 24, and during nature, under the twisting force of torsion spring 10, throttle blade 3 is positioned at high idle speed position.
Throttle plate pin 2 can rotate in body 1 gas-entered passageway, in order to change the aperture of throttle blade 3.Under the twisting force of torsion spring 10 and the barrier effect of body position-limit mechanism B19, throttle blade 3 remains on high idle speed state in nature.Direct current generator 5 is engaged with intermediate gear 8 by gear transmission mechanism motor gear 7, and intermediate gear 8 engages with tooth sector 9, drives throttle plate pin 2 to rotate, thus controls the aperture of throttle blade 3.Throttle blade 3 main story is maximum can to low idle position, can not main story again under the stop of body positive stop A17; Throttle blade 3 is reversed maximum to the full-gear required by system, and can not can reversion again under the stop of body positive stop B18.When breaking down without DC motor Driver signal or direct current generator 5 and cannot normally work, throttle blade 3 can automatically restore to high idle speed position under the twisting force of torsion spring 10; When a torsion spring lost efficacy, another torsion spring still can control throttle blade and be reset to high idle speed position, increased the Security of engine system.
Claims (8)
1. sensor magnetic core and the spacing electronic air throttle body of throttle plate pin integrated bidirectional, is characterized in that: it comprises supporting part, transmission part and functional part, supporting part comprises tb (1), middle end leg (21), torsion spring leg B(22), torsion spring leg A(23), deep groove ball bearing (12) and needle bearing (13), transmission part comprises direct current generator (5), motor gear (7), intermediate gear (8), tooth sector (9) and throttle plate pin (2), functional part comprises throttle blade (3), position transducer (4), pressing plate (6), torsion spring (10), wave washer (11), snap lock collar (14), magnetic core (15), clip (16), water pipe and limit position part, motor gear (7) is arranged on direct current generator (5), intermediate gear (8) engages with motor gear (7), tooth sector (9) engages with intermediate gear (8), tooth sector (9) is arranged on throttle plate pin (2), transmission part is arranged in tb (1), and position transducer (4) is the split of two feedback signal, non-contact position sensor, position transducer (4) is separated with the magnetic core (15) of sensor, magnetic core (15) is arranged on one end that throttle plate pin (2) is equipped with tooth sector (9), magnetic core (15) is integrated with throttle plate pin (2), position transducer (4) is connected with tb (1) by clip (16), and torsion spring (10) is arranged on tooth sector (9).
2. a kind of sensor magnetic core according to claim 1 and the spacing electronic air throttle body of throttle plate pin integrated bidirectional, it is characterized in that: described torsion spring (10) comprises torsion spring A(34) and torsion spring B(35), torsion spring B(35) diameter be less than torsion spring A(34) diameter, torsion spring B(35) with torsion spring A(34) rotation direction contrary, torsion spring A(34) and torsion spring B(35) linked together by middle end leg (21), torsion spring A(34) be provided with torsion spring leg A(23), torsion spring B(35) be provided with torsion spring leg B(22), torsion spring B(35) be arranged on tooth sector (9).
3. a kind of sensor magnetic core according to claim 1 and the spacing electronic air throttle body of throttle plate pin integrated bidirectional, it is characterized in that: described pressing plate (6) is threaded connection and is arranged on tb (1), and pressing plate (6) is positioned between motor gear (7) and direct current generator (5).
4. a kind of sensor magnetic core according to claim 1 and the spacing electronic air throttle body of throttle plate pin integrated bidirectional, is characterized in that: described limit position part comprises body positive stop A(17), body positive stop B(18), body position-limit mechanism B(19), body position-limit mechanism A(20), tooth sector position-limit mechanism (24), tooth sector positive stop B(25), tooth sector positive stop A(26), axial limiting platform A(28), axial limiting platform B(29), escapement (30), rotation-preventing mechanism (31) and positive stop lug boss (32), escapement (30) and rotation-preventing mechanism (31) are arranged on one end that throttle plate pin (2) is provided with tooth sector (9), tooth sector (9) is fixed on throttle plate pin (2) by coordinating with escapement (30) and rotation-preventing mechanism (31), axial limiting platform A(28) and axial limiting platform B(29) be arranged on the other end of throttle plate pin (2), body positive stop A(17), body positive stop B(18), body position-limit mechanism B(19) and body position-limit mechanism A(20) be arranged on the one side of tb (1) near tooth sector (9).
5. a kind of sensor magnetic core according to claim 1 and the spacing electronic air throttle body of throttle plate pin integrated bidirectional, it is characterized in that: described throttle plate pin (2) is fixed with one end of tooth sector (9) and tb (1) cooperation place is provided with needle bearing (13), the other end and tb (1) cooperation place of throttle plate pin (2) are provided with deep groove ball bearing (12), the inner ring of deep groove ball bearing (12) and throttle plate pin (2) transition fit, the end face of deep groove ball bearing (12) and axial limiting platform A(28) fit, throttle plate pin (2) is provided with between one end of deep groove ball bearing (12) and tb (1) and is provided with snap lock collar (14).
6. a kind of sensor magnetic core according to claim 1 and the spacing electronic air throttle body of throttle plate pin integrated bidirectional, it is characterized in that: described throttle blade (3) is for oval, throttle blade (3) is provided with two waist shaped holes (33) and two positive stop lug boss (32), and throttle blade (3) is threaded connection and is arranged on throttle plate pin (2).
7. a kind of sensor magnetic core according to claim 1 and the spacing electronic air throttle body of throttle plate pin integrated bidirectional, is characterized in that: described tooth sector (9) is provided with tooth sector positive stop A(26), tooth sector positive stop B(25) and tooth sector position-limit mechanism (24).
8. a kind of sensor magnetic core according to claim 1 and the spacing electronic air throttle body of throttle plate pin integrated bidirectional, is characterized in that: described wave washer (11) is installed on the ear end face of direct current generator (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410819003.8A CN104632422A (en) | 2014-12-25 | 2014-12-25 | Sensor magnetic core and throttle valve shaft integration bidirectional limiting electronic throttle valve body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410819003.8A CN104632422A (en) | 2014-12-25 | 2014-12-25 | Sensor magnetic core and throttle valve shaft integration bidirectional limiting electronic throttle valve body |
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| Publication Number | Publication Date |
|---|---|
| CN104632422A true CN104632422A (en) | 2015-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410819003.8A Pending CN104632422A (en) | 2014-12-25 | 2014-12-25 | Sensor magnetic core and throttle valve shaft integration bidirectional limiting electronic throttle valve body |
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| CN (1) | CN104632422A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927393A (en) * | 2016-06-01 | 2016-09-07 | 四川红光汽车机电有限公司 | Novel electronic throttle body with sector gear and throttle shaft connected |
| CN106594015A (en) * | 2016-11-27 | 2017-04-26 | 北京特种机械研究所 | Combined mechanism having electric limiting function |
| CN107023406A (en) * | 2017-06-06 | 2017-08-08 | 四川红光汽车机电有限公司 | A kind of spacing electronic air throttle body of new high and low idle position |
| CN107448301A (en) * | 2017-08-31 | 2017-12-08 | 浙江鸿科机车部件有限公司 | A kind of throttle body assembly |
| CN107747515A (en) * | 2017-10-24 | 2018-03-02 | 佛山职业技术学院 | A kind of engine air throttle |
| CN111894742A (en) * | 2020-09-03 | 2020-11-06 | 浙江好亚汽车配件有限公司 | Sensor magnetic core and throttle shaft integrated bidirectional limiting electronic throttle body |
| CN114508429A (en) * | 2022-03-11 | 2022-05-17 | 四川红光汽车机电有限公司 | Diesel engine electronic throttle body convenient to install |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105927393A (en) * | 2016-06-01 | 2016-09-07 | 四川红光汽车机电有限公司 | Novel electronic throttle body with sector gear and throttle shaft connected |
| CN105927393B (en) * | 2016-06-01 | 2019-07-02 | 四川红光汽车机电有限公司 | A kind of electronic air throttle body that fan gear is connect with throttle plate pin |
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| CN107023406A (en) * | 2017-06-06 | 2017-08-08 | 四川红光汽车机电有限公司 | A kind of spacing electronic air throttle body of new high and low idle position |
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| CN107747515A (en) * | 2017-10-24 | 2018-03-02 | 佛山职业技术学院 | A kind of engine air throttle |
| CN111894742A (en) * | 2020-09-03 | 2020-11-06 | 浙江好亚汽车配件有限公司 | Sensor magnetic core and throttle shaft integrated bidirectional limiting electronic throttle body |
| CN114508429A (en) * | 2022-03-11 | 2022-05-17 | 四川红光汽车机电有限公司 | Diesel engine electronic throttle body convenient to install |
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Application publication date: 20150520 |
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| RJ01 | Rejection of invention patent application after publication |