CN201925030U - Plastic throttle valve body - Google Patents
Plastic throttle valve body Download PDFInfo
- Publication number
- CN201925030U CN201925030U CN2011200322168U CN201120032216U CN201925030U CN 201925030 U CN201925030 U CN 201925030U CN 2011200322168 U CN2011200322168 U CN 2011200322168U CN 201120032216 U CN201120032216 U CN 201120032216U CN 201925030 U CN201925030 U CN 201925030U
- Authority
- CN
- China
- Prior art keywords
- plastic casing
- throttle body
- throttle
- throttle valve
- plastics
- 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 - Lifetime
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Abstract
The utility model discloses a plastic throttle valve body, comprising a pull wire swing frame, a plastic casing, an offsetting spring, a throttle valve blade, a first self-tapping screw, a throttle valve shaft, a bearing, a limiting clamping plate, a long groove, a first hanging leg, a second hanging leg and a mounting hole insert, wherein the mounting hole insert is pressed into the plastic casing, the bearing is pressed into the plastic casing, the throttle valve shaft penetrates into the bearing and keeps rolling connection with the bearing; the limiting clamping plate is fastened on the plastic casing through the first self-tapping screw; the long groove is positioned on the throttle valve shaft, and the throttle valve blade is mounted in the long groove; one end of the offsetting spring is hung into the first hanging leg, and the other end of the offsetting spring is hung into the second hanging leg; and the pull wire swinging frame is mounted on one end of the throttle valve shaft. The weight of the plastic throttle valve body is reduced.
Description
Technical field
The utility model 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, step on accelerator pedal, by acceleration cable pulling backguy swing frame, make the angle that throttle body is opened to be needed, this moment throttle position sensor (Throttle PositionSensor, TPS) import 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, as idling operation, partial load condition, high load working condition etc., and the demand of mixture strength is controlled injection time according to Under Different Work Condition of Engine.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.
The model utility content
Technical problem to be solved in the utility model provides a kind of plastics throttle body, and it has reduced weight.
For solveing the technical problem, the utility model 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, spacing clamp is fastened on the plastic casing by first tapping screw, 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, described 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 screw threads for fastening in second inserts by fastening screw trip bolt.
Preferably, described plastics throttle body also comprises second tapping screw and position transducer, and position transducer is fastenedly connected by second tapping screw and plastic casing.
Preferably, described plastics throttle body also comprises capping, and capping is connected with sealer with plastic casing.
Positive progressive effect of the present utility model is:
One, the utility model plastics throttle body adopts plastic casing, has reduced weight.
Two, the utility model plastics throttle body 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, by tapping screw spacing clamp is fixed on the plastic casing, throttle plate pin shifting amount has vertically guaranteed the axial movement value of throttle plate pin by the thickness of spacing clamp and the gap control between the restraining groove width.
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, withstands on the adjusting screw when assembling; 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 the utility model plastics throttle body.
Fig. 2 is the overall structure sectional view of the utility model plastics throttle body.
Fig. 3 is the Returnning spring assembly structure schematic representation in the utility model plastics throttle body.
Fig. 4 is the capping assembling schematic representation in the utility model plastics throttle body.
Fig. 5 is the backguy swing frame assembling schematic representation in the utility model plastics throttle body.
Embodiment
Lift a preferred embodiment below, and come the clearer the utility model that intactly illustrates in conjunction with the accompanying drawings.
Extremely shown in Figure 5 as Fig. 1, the utility model plastics throttle body comprises 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 is to be pressed in the plastic casing 1 by 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 by 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.
As 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, has an elastic washer 4 to play between swing frame tightening nut 5 and backguy swing frame 2 and loosens effect.
As 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 by second tapping screw 14.Stepper motor 11 by 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 by 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 utility model, but those skilled in the art is to be understood that, these only illustrate, and under the prerequisite that does not deviate from principle of the present utility model and essence, can make numerous variations or modification to these mode of executions.Therefore, protection domain of the present utility model is limited by 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, bearing is pressed in the plastic casing, throttle plate pin penetrates in the bearing and maintenance is connected with bearing element, spacing clamp is fastened on the plastic casing by first tapping screw, 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, 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, described 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 screw threads for fastening in second inserts by fastening screw trip bolt.
3. plastics throttle body as claimed in claim 1 is characterized in that, described plastics throttle body also comprises second tapping screw and position transducer, and position transducer is fastenedly connected by second tapping screw and plastic casing.
4. plastics throttle body as claimed in claim 1 is characterized in that, described 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 |
|---|---|---|---|
| CN2011200322168U CN201925030U (en) | 2011-01-28 | 2011-01-28 | Plastic throttle valve body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200322168U CN201925030U (en) | 2011-01-28 | 2011-01-28 | Plastic throttle valve body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201925030U true CN201925030U (en) | 2011-08-10 |
Family
ID=44428884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200322168U Expired - Lifetime CN201925030U (en) | 2011-01-28 | 2011-01-28 | Plastic throttle valve body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201925030U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619627A (en) * | 2011-01-28 | 2012-08-01 | 上海奥众汽车部件制造有限公司 | Plastic throttle body |
-
2011
- 2011-01-28 CN CN2011200322168U patent/CN201925030U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619627A (en) * | 2011-01-28 | 2012-08-01 | 上海奥众汽车部件制造有限公司 | Plastic throttle body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110810 |