CN102619627A - Plastic throttle body - Google Patents
Plastic throttle body Download PDFInfo
- Publication number
- CN102619627A CN102619627A CN2011100324505A CN201110032450A CN102619627A CN 102619627 A CN102619627 A CN 102619627A CN 2011100324505 A CN2011100324505 A CN 2011100324505A CN 201110032450 A CN201110032450 A CN 201110032450A CN 102619627 A CN102619627 A CN 102619627A
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- CN
- China
- Prior art keywords
- plastic casing
- throttle body
- throttle
- plastics
- bearing
- 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.)
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Abstract
The invention discloses a plastic throttle body, which comprises a wire drawing swing frame, a plastic casing, a reset spring, a throttle valve sheet, a first tapping screw, a throttle valve shaft, a bearing, a limit clamping board, a long groove, a first hanging leg, a second hanging leg and an installing hole insert piece. The installing hole insert piece is pressed into the plastic casing, the bearing is pressed into the plastic casing, the throttle valve shaft penetrates through the bearing and keeps to be connected with the bearing in rolling mode, the limit clamping board is fastened onto the plastic casing through the first tapping screw, the long groove is arranged on the throttle valve shaft, the throttle valve sheet is arranged in the long groove, one end of the reset spring is hung at the first hanging leg, the other end of the reset spring is hung at the second hanging leg, and the wire drawing swing frame is arranged at one end of the throttle valve shaft. The weight of the plastic throttle body is reduced.
Description
Technical field
The present invention relates to a kind of throttle body assembly, particularly a kind of plastics throttle body.
Background technique
Throttle body is vitals in the electric injection system, and its major control inlet air flow also is installed on the intake manifold.One end of acceleration cable is connected on the backguy swing frame of throttle body; The other end is connected on the gas pedal, when motor quickens, steps on accelerator pedal; Through acceleration cable pulling backguy swing frame; The angle that throttle body is opened need, this moment TPS (Throttle PositionSensor TPS) imports ECU (Electronic Control Unit after changing throttle opening (being engine load) size into electrical signal; Electronic control unit); ECU differentiates the operating mode of motor according to throttle position signal, like idling operation, partial load condition, high load working condition etc., and according to Under Different Work Condition of Engine the demand of mixture strength is controlled injection time.Throttle body in the past all is a fabricated metals, and weight is heavier, and bearing hole and stepper motor vent etc. all is necessary machining, complex manufacturing process.
Summary of the invention
Technical problem to be solved by this invention provides a kind of plastics throttle body, and it has reduced weight.
For solveing the technical problem, the invention provides a kind of plastics throttle body, the plastics throttle body comprises the backguy swing frame; It is characterized in that the plastics throttle body also comprises plastic casing, Returnning spring, throttle blade, first tapping screw, throttle plate pin, bearing, spacing clamp, elongated slot, first hanging feet, second hanging feet, insert of mounting hole, insert of mounting hole is pressed in the plastic casing; Bearing is pressed in the plastic casing; Throttle plate pin penetrates in the bearing and maintenance is connected with bearing element, and spacing clamp is fastened on the plastic casing through first tapping screw, and elongated slot is positioned on the throttle plate pin; Throttle blade is packed in the elongated slot; One end of Returnning spring is hung into first hanging feet, and the other end of Returnning spring is hung into second hanging feet, and the backguy swing frame is contained on the end of throttle plate pin.
Preferably, said plastics throttle body also comprises stepper motor, fastening screw trip bolt, first inserts and second inserts, and first inserts and second inserts are pressed in the plastic casing, and stepper motor is connected with the interior screw threads for fastening of second inserts through fastening screw trip bolt.
Preferably, said plastics throttle body also comprises second tapping screw and position transducer, and position transducer is fastenedly connected through second tapping screw and plastic casing.
Preferably, said plastics throttle body also comprises capping, and capping is connected with sealer with plastic casing.
Positive progressive effect of the present invention is:
One, plastics throttle body of the present invention adopts plastic casing, has reduced weight.
Two, plastics throttle body of the present invention has four insert of mounting hole that are embedded in plastic casing as mounting hole; Inserts is for stay bolt and bears the Tightening moment of bolt; Four insert of mounting hole symmetrically be arranged in the plastic casing inner chamber to be on four angles at center, to have guaranteed the reliability that the plastics throttle body is installed.
Three, position transducer with lean on being connected of plastic casing to be that tapping screw is directly shot in the plastics throttle body fastening, reduced processing screw bottom outlet operation, and guaranteed the moment of torsion of position transducer with fastening screw trip bolt.
Four, the throttle plate pin axial limiting mechanism is made up of the restraining groove on a spacing clamp and the throttle plate pin; Spacing clamp has two screw via holes that are used to install; Be fixed on spacing clamp on the plastic casing through tapping screw; Throttle plate pin shifting amount is vertically leaned on the thickness of spacing clamp and the gap control between the restraining groove width, has guaranteed the axial movement value of throttle plate pin.
Five, the backguy swing frame is a moulding, and backguy swing frame inserts has been inlayed in the inside, and a leg of backguy swing frame inserts reveals the plastics outside after injection moulding, when assembling, withstands on the adjusting screw; And backguy swing frame another leg of injection moulding also, its effect promptly is a hanging feet of Returnning spring and is the spacing leg that the backguy swing frame is opened fully, simplified design of part.
Description of drawings
Fig. 1 is the overall structure schematic representation of plastics throttle body of the present invention.
Fig. 2 is the overall structure sectional view of plastics throttle body of the present invention.
Fig. 3 is the Returnning spring assembly structure schematic representation in the plastics throttle body of the present invention.
Fig. 4 is the assembling of the capping in the plastics throttle body of the present invention schematic representation.
Fig. 5 is the assembling of the backguy swing frame in the plastics throttle body of the present invention schematic representation.
Embodiment
Lift a preferred embodiment below, and combine accompanying drawing to come the clearer the present invention that intactly explains.
Extremely shown in Figure 5 like Fig. 1; Plastics throttle body of the present invention comprises that plastic casing 1, backguy swing frame 2, Returnning spring 3, elastic washer 4, swing frame tightening nut 5, adjusting nut 6, adjusting screw 7, throttle blade fastening screw trip bolt 8, throttle blade 9, capping 10, stepper motor 11, fastening screw trip bolt 12, first tapping screw 13, second tapping screw 14, position transducer 15, throttle plate pin 16, bearing 17 (quantity is two), spacing clamp 18, first hanging feet 19, second hanging feet 20, elongated slot 21, first inserts 25 (quantity is two), second inserts 26 (quantity is two), insert of mounting hole 27, backguy swing frame inserts 28, the first inserts 25, second inserts 26, insert of mounting hole 27 (quantity is four) all are to be pressed in the plastic casing 1 through the rivet hot weldering.Bearing 17 is pressed in the plastic casing 1; Throttle plate pin 16 penetrates in the bearing 17 and maintenance is rolled with bearing 17 is connected; Spacing clamp 18 is stuck in the throttle plate pin draw-in groove 29; Spacing clamp 18 is fastened on the plastic casing 1 through first tapping screw 13, spacing clamp 18 restriction throttle plate pins 16 shifting amount in axial direction.Elongated slot 21 is positioned on the throttle plate pin 16, and throttle blade 9 is packed in the elongated slot 21, and with throttle blade fastening screw trip bolt 8 that throttle blade 9 and elongated slot 21 is fastening.
Like Fig. 2, Fig. 3, shown in Figure 5; One end of Returnning spring 3 is hung into first hanging feet 19; The other end of Returnning spring 3 is hung into second hanging feet 20; Backguy swing frame 2 is contained on the end of throttle plate pin 16 and is fastening with swing frame tightening nut 5, between swing frame tightening nut 5 and backguy swing frame 2, has an elastic washer 4 to play and loosens effect.
Like Fig. 1, Fig. 2, shown in Figure 4, capping 10 is connected with plastic casing 1 usefulness sealer, guarantees sealing and join strength between the two.Position transducer 15 is fastenedly connected with plastic casing 1 through second tapping screw 14.Stepper motor 11 through fastening screw trip bolt 12 be pressed into plastic casing 1 in second inserts 26 in screw threads for fastening be connected.
As shown in Figure 5, backguy swing frame inserts 28 embeds in the backguy swing frame 2 through injection moulding.
When backguy drove the rotation of backguy swing frame, throttle plate pin was also by backguy swing frame driven rotary together, and throttle blade was followed throttle plate pin and rotated together this moment, opened certain angle and changed the inlet air flow.When the backguy swing frame is not spurred by backguy; First leg 22 at the effect pull-down line swing frame of Returnning spring pushes up on the adjusting screw 7; Because adjusting screw 7 first inserts 25 interior with being pressed into plastic casing 1 is connected, and adjusting screw 7 usefulness adjusting nuts 6 are locked on the plastic casing 1.When the backguy swing frame was opened maximum, second leg 23 of backguy swing frame can push up on the mechanical stop 24 of plastic casing.
Though more than described embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, under the prerequisite that does not deviate from principle of the present invention and essence, can make numerous variations or modification to these mode of executions.Therefore, protection scope of the present invention is limited appended claims.
Claims (4)
1. plastics throttle body, the plastics throttle body comprises the backguy swing frame, it is characterized in that; The plastics throttle body also comprises plastic casing, Returnning spring, throttle blade, first tapping screw, throttle plate pin, bearing, spacing clamp, elongated slot, first hanging feet, second hanging feet, insert of mounting hole; Insert of mounting hole is pressed in the plastic casing, and bearing is pressed in the plastic casing, and throttle plate pin penetrates in the bearing and maintenance is connected with bearing element; Spacing clamp is fastened on the plastic casing through first tapping screw; Elongated slot is positioned on the throttle plate pin, and throttle blade is packed in the elongated slot, and an end of Returnning spring is hung into first hanging feet; The other end of Returnning spring is hung into second hanging feet, and the backguy swing frame is contained on the end of throttle plate pin.
2. plastics throttle body as claimed in claim 1; It is characterized in that; Said plastics throttle body also comprises stepper motor, fastening screw trip bolt, first inserts and second inserts; First inserts and second inserts are pressed in the plastic casing, and stepper motor is connected with the interior screw threads for fastening of second inserts through fastening screw trip bolt.
3. plastics throttle body as claimed in claim 1 is characterized in that, said plastics throttle body also comprises second tapping screw and position transducer, and position transducer is fastenedly connected through second tapping screw and plastic casing.
4. plastics throttle body as claimed in claim 1 is characterized in that, said plastics throttle body also comprises capping, and capping is connected with sealer with plastic casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100324505A CN102619627A (en) | 2011-01-28 | 2011-01-28 | Plastic throttle body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100324505A CN102619627A (en) | 2011-01-28 | 2011-01-28 | Plastic throttle body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102619627A true CN102619627A (en) | 2012-08-01 |
Family
ID=46559783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100324505A Pending CN102619627A (en) | 2011-01-28 | 2011-01-28 | Plastic throttle body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102619627A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611219A (en) * | 2019-01-15 | 2019-04-12 | 上海奥众汽车部件制造有限公司 | A kind of electronic air throttle body resetting-mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6347613B1 (en) * | 2000-07-05 | 2002-02-19 | Visteon Global Technologies, Inc. | Electronic throttle control mechanism with integrated modular construction |
| CN200989247Y (en) * | 2006-11-22 | 2007-12-12 | 浙江吉利汽车研究院有限公司 | Air throttle body |
| CN200996325Y (en) * | 2006-12-11 | 2007-12-26 | 比亚迪股份有限公司 | Plastic throttling valve |
| CN201162574Y (en) * | 2008-03-11 | 2008-12-10 | 重庆渝辉机械有限公司 | Plastic air throttle of motor vehicle electric spraying fuel oil system |
| CN201925030U (en) * | 2011-01-28 | 2011-08-10 | 上海奥众汽车部件制造有限公司 | Plastic throttle valve body |
-
2011
- 2011-01-28 CN CN2011100324505A patent/CN102619627A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6347613B1 (en) * | 2000-07-05 | 2002-02-19 | Visteon Global Technologies, Inc. | Electronic throttle control mechanism with integrated modular construction |
| CN200989247Y (en) * | 2006-11-22 | 2007-12-12 | 浙江吉利汽车研究院有限公司 | Air throttle body |
| CN200996325Y (en) * | 2006-12-11 | 2007-12-26 | 比亚迪股份有限公司 | Plastic throttling valve |
| CN201162574Y (en) * | 2008-03-11 | 2008-12-10 | 重庆渝辉机械有限公司 | Plastic air throttle of motor vehicle electric spraying fuel oil system |
| CN201925030U (en) * | 2011-01-28 | 2011-08-10 | 上海奥众汽车部件制造有限公司 | Plastic throttle valve body |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611219A (en) * | 2019-01-15 | 2019-04-12 | 上海奥众汽车部件制造有限公司 | A kind of electronic air throttle body resetting-mechanism |
| CN109611219B (en) * | 2019-01-15 | 2023-12-15 | 上海奥众汽车部件制造有限公司 | Reset mechanism for electronic throttle body |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120801 |