CN204691911U - Electronic throttle - Google Patents
Electronic throttle Download PDFInfo
- Publication number
- CN204691911U CN204691911U CN201520433448.2U CN201520433448U CN204691911U CN 204691911 U CN204691911 U CN 204691911U CN 201520433448 U CN201520433448 U CN 201520433448U CN 204691911 U CN204691911 U CN 204691911U
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- CN
- China
- Prior art keywords
- plate pin
- throttle
- throttle plate
- ring
- arc extending
- 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
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Abstract
The utility model discloses a kind of electronic throttle, comprise tb, throttle plate pin, throttle blade, motor and gear-driven assembly, tb is provided with axis hole, throttle plate pin end is provided with bearing, axis hole side is provided with end cap, center groove is provided with in the middle part of throttle plate pin, throttle blade to be inserted in the groove of center and to be fixedly connected with by lock screw, throttle plate pin is provided with radially-arranged screw, screw communicates with center groove and is mutually vertical relation, the bearings mounted one end of throttle plate pin is extended with the axle head of reduced, forming station terrace between axle head and throttle plate pin outer wall, axle head is also arranged with packing ring and back-up ring successively, axle head and back-up ring cooperation place outer wall offer annular breach, back-up ring comprises back-up ring body, back-up ring inner body wall is bending inwardly extends to form arc extending body, the free end of arc extending body and annular breach location fit, arc extending body outer wall abuts with packing ring.The utility model has structural stability, advantage that operating noise is little.
Description
Technical field
The utility model relates to engine system, especially a kind of electronic throttle.
Background technique
Along with the development of automotive engineering, electronic throttle obtains applying more and more widely, the vitals especially in electric jet vehicle engine system.Air-throttle assemble in the past realizes controlling the throughput entering motor by the keying of bracing wire control throttle blade, its handling and control accuracy are all poor, affect the service behaviour of motor, and electronic throttle closely can control throttle opening, improve motor emission performance.Existing electronic throttle comprises tb, throttle plate pin and throttle blade, throttle blade is arranged on throttle plate pin, throttle plate pin is arranged on tb through bearing, throttle plate pin is connected with position transducer, tb is provided with motor, and motor is in transmission connection by gear-driven assembly and throttle plate pin.Because bearing of the prior art is installed between throttle plate pin and tb axis hole, its mounting structure is simple, and during work, bearing along the slippage back and forth of throttle plate pin end, can may strike end cap, cause larger noise.
Model utility content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of structural stability, electronic throttle that operating noise is little.
To achieve these goals, the technical solution adopted in the utility model is: a kind of electronic throttle, comprise tb, throttle plate pin, throttle blade, motor and gear-driven assembly, tb offers the axis hole with throttle plate pin adaptation, throttle plate pin end is provided with bearing, this tb axis hole side is provided with end cap, throttle blade is installed on throttle plate pin, throttle plate pin is connected with motor-driven by gear-driven assembly, it is characterized in that: in the middle part of described throttle plate pin, offer center groove, throttle blade to be inserted in this center groove and to be fixedly connected with throttle plate pin by lock screw, this throttle plate pin is provided with radially-arranged screw, this screw communicates with center groove and is mutually vertical relation, the bearings mounted one end of described throttle plate pin is extended with the axle head of reduced, the step surface can installed for bearing is formed between this axle head and throttle plate pin outer wall, this axle head is also arranged with packing ring and back-up ring successively, the outer wall of described axle head and back-up ring cooperation place offers annular breach, back-up ring comprises back-up ring body, this back-up ring inner body wall is bending inwardly extends to form arc extending body, the free end of this arc extending body and annular breach location fit, this arc extending body outer wall abuts with packing ring.
In said structure, throttle blade to be inserted in the center groove of throttle plate pin and to be fixed by lock screw, throttle plate pin end is provided with bearing, and bearing one end abuts step surface, the other end then with washer contacts, packing ring abuts with back-up ring, the arc extending body of back-up ring then forms location fit with the axle head of throttle plate pin, makes this bearing mounting structure firm stable, operationally there will not be front and back slippage, avoid the shock between itself and end cap, reduce noise.
As further setting of the present utility model, described annular indentations section is inverted v-shaped structure, and the free end of described arc extending body is fitted by two sides of its end face and outer circumferential face and this V-notch.
In said structure, fit in two end faces of this annular breach and two sides of arc extending body free end, surface of contact is smooth, makes it coordinate more stable.
As further setting of the present utility model, described arc extending body is extended to form upward by back-up ring inner body wall decurvation again, and the free end of this arc extending body is higher than back-up ring body, and this free end is revealed in outside back-up ring body.
In said structure, exist between the free end of this arc extending body and back-up ring body and for arc extending body, elastically-deformable space can occur, between this arc extending body and axle head of throttle plate pin, there is certain elastic strain space, make it connect tightr.
As further setting of the present utility model, one end inwall that described screw coordinates with the nut of lock screw is provided with the opening slot with nut adaptation, and this opening slot inwall is inclined to set and fits with nut outer circumferential face.
In said structure, this opening slot be arranged so that coordinating of screw and nut is tightr, stickiness is better.
As further setting of the present utility model, described throttle plate pin offers the rectangular vibrational power flow of outer circumferential face at groove place, center, described screw is opened on the center line of rectangular configuration.
In said structure, the rectangular outer perimeter of this throttle plate pin is more convenient for the processing of screw.
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing explanation
Accompanying drawing 1 is the utility model specific embodiment surface structure schematic diagram;
Accompanying drawing 2 is the utility model specific embodiment structure plan view;
Accompanying drawing 3 is the A-A structure sectional view of the utility model specific embodiment accompanying drawing 2;
Accompanying drawing 4 is the enlarged view of Local C in the utility model specific embodiment accompanying drawing 3;
Accompanying drawing 5 is the enlarged view of local D in the utility model specific embodiment accompanying drawing 3;
Accompanying drawing 6 is the B-B structure sectional view of the utility model specific embodiment accompanying drawing 2;
Accompanying drawing 7 is the structural representation removing internal gear assembly after case top lid in the utility model specific embodiment accompanying drawing 2;
Accompanying drawing 8 is the utility model specific embodiment structure right elevation;
Tb 1, throttle plate pin 2, axis hole 21, screw 22, opening slot 221, axle head 23, lock screw 24, annular breach 231, throttle blade 3, motor 4, gear-driven assembly 5, bearing 6, end cap 7, packing ring 8, back-up ring 9, back-up ring body 91, arc extending body 92.
Embodiment
Specific embodiment of the utility model is electronic throttle as shown in figures 1-8, comprise tb 1, throttle plate pin 2, throttle blade 3, motor 4 and gear-driven assembly 5, tb 1 offers the axis hole 21 with throttle plate pin 2 adaptation, throttle plate pin 2 end is provided with bearing 6, this tb 1 axis hole 21 side is provided with end cap 7, throttle blade 3 is installed on throttle plate pin 2, throttle plate pin 2 is in transmission connection by gear-driven assembly 5 and motor 4, center groove is offered in the middle part of throttle plate pin 2, throttle blade 3 to be inserted in this center groove and to be fixedly connected with throttle plate pin 2 by lock screw 24, this throttle plate pin 2 is provided with radially-arranged screw 22, this screw 22 communicates with center groove and is mutually vertical relation, one end that throttle plate pin 2 installs bearing 6 is extended with the axle head 23 of reduced, the step surface can installed for bearing 6 is formed between this axle head 23 and throttle plate pin 2 outer wall, this axle head 23 is also arranged with packing ring 8 and back-up ring 9 from the inside to the outside successively, axle head 23 offers annular breach 231 with the outer wall of back-up ring 9 cooperation place, back-up ring 9 comprises back-up ring body 91, this back-up ring body 91 inwall is bending inwardly extends to form arc extending body 92, the free end of this arc extending body 92 and annular breach 231 location fit, this arc extending body 92 outer wall abuts with packing ring 8.Throttle blade 3 to be inserted in the center groove of throttle plate pin 2 and to be fixed by lock screw 24, throttle plate pin 2 end is provided with bearing 6, bearing 6 one end abuts step surface, the other end then contacts with packing ring 8, and packing ring 8 abuts with back-up ring 9, and the arc extending body 92 of back-up ring 9 forms location fit with the axle head 23 of throttle plate pin 2, make this bearing 6 mounting structure firm stable, operationally there will not be front and back slippage, avoid the shock between itself and end cap 7, reduce noise.
Above-mentioned annular breach 231 cross section is inverted v-shaped structure, and the free end of arc extending body 92 is fitted by two sides of its end face and outer circumferential face and this V-notch.Fit in two end faces of this annular breach 231 and two sides of arc extending body 92 free end, surface of contact is smooth, makes it coordinate more stable.
Above-mentioned arc extending body 92 is extended to form upward by back-up ring body 91 inwall decurvation again, and the free end of this arc extending body 92 is higher than back-up ring body 91, and this free end is revealed in outside back-up ring body 91.Exist between the free end of this arc extending body 92 and back-up ring body 91 and for arc extending body 92, elastically-deformable space can occur, between this arc extending body 92 and axle head 23 of throttle plate pin 2, there is certain elastic strain space, make it connect tightr.
One end inwall that above-mentioned screw 22 coordinates with the nut of lock screw 24 is provided with the opening slot 221 with nut adaptation, and this opening slot 221 inwall is inclined to set and fits with nut outer circumferential face.This opening slot 221 be arranged so that coordinating of screw 22 and nut is tightr, stickiness is better.
Above-mentioned throttle plate pin 2 offers the rectangular vibrational power flow of outer circumferential face at groove place, center, screw 22 is opened on the center line of rectangular configuration.The rectangular outer perimeter of this throttle plate pin 2 is more convenient for the processing of screw 22.
The utility model is not limited to above-mentioned embodiment; persons skilled in the art are content disclosed in the utility model; other multiple embodiments can be adopted to implement of the present utility model; or every employing project organization of the present utility model and thinking; do simple change or change, all fall into protection domain of the present utility model.
Claims (5)
1. an electronic throttle, comprise tb, throttle plate pin, throttle blade, motor and gear-driven assembly, tb offers the axis hole with throttle plate pin adaptation, throttle plate pin end is provided with bearing, this tb axis hole side is provided with end cap, throttle blade is installed on throttle plate pin, throttle plate pin is connected with motor-driven by gear-driven assembly, it is characterized in that: in the middle part of described throttle plate pin, offer center groove, throttle blade to be inserted in this center groove and to be fixedly connected with throttle plate pin by lock screw, this throttle plate pin is provided with radially-arranged screw, this screw communicates with center groove and is mutually vertical relation, the bearings mounted one end of described throttle plate pin is extended with the axle head of reduced, the step surface can installed for bearing is formed between this axle head and throttle plate pin outer wall, this axle head is also arranged with packing ring and back-up ring successively, the outer wall of described axle head and back-up ring cooperation place offers annular breach, back-up ring comprises back-up ring body, this back-up ring inner body wall is bending inwardly extends to form arc extending body, the free end of this arc extending body and annular breach location fit, this arc extending body outer wall abuts with packing ring.
2. electronic throttle according to claim 1, is characterized in that: described annular indentations section is inverted v-shaped structure, and the free end of described arc extending body is fitted by two sides of its end face and outer circumferential face and this V-notch.
3. electronic throttle according to claim 2, is characterized in that: described arc extending body is extended to form upward by back-up ring inner body wall decurvation again, and the free end of this arc extending body is higher than back-up ring body, and this free end is revealed in outside back-up ring body.
4. electronic throttle according to claim 1, is characterized in that: one end inwall that described screw coordinates with the nut of lock screw is provided with the opening slot with nut adaptation, and this opening slot inwall is inclined to set and fits with nut outer circumferential face.
5. the electronic throttle according to claim 1 or 2 or 3 or 4, is characterized in that: the rectangular vibrational power flow of outer circumferential face described throttle plate pin offering groove place, center, described screw is opened on the center line of rectangular configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520433448.2U CN204691911U (en) | 2015-06-19 | 2015-06-19 | Electronic throttle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520433448.2U CN204691911U (en) | 2015-06-19 | 2015-06-19 | Electronic throttle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204691911U true CN204691911U (en) | 2015-10-07 |
Family
ID=54232213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520433448.2U Expired - Fee Related CN204691911U (en) | 2015-06-19 | 2015-06-19 | Electronic throttle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204691911U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2015
- 2015-06-19 CN CN201520433448.2U patent/CN204691911U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 Termination date: 20160619 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |