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Plastic throttle body

A throttle body and plastic shell technology, applied in engine control, machine/engine, mechanical equipment, etc., can solve the problems of complex manufacturing process and heavy weight, reduce weight, reduce bottom hole process, and ensure axial channeling The effect of momentum

Inactive Publication Date: 2012-08-01
SHANGHAI AUZONE AUTO PARTS MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the past, the throttle body was made of metal, and the weight was relatively heavy. The bearing hole and the stepping motor vent hole had to be machined, and the manufacturing process was complicated.

Method used

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  • Plastic throttle body
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Examples

Experimental program
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Embodiment Construction

[0019] A preferred embodiment will be given below, and the present invention will be described more clearly and completely in conjunction with the accompanying drawings.

[0020] Such as Figure 1 to Figure 5 As shown, the plastic throttle body of the present invention includes a plastic shell 1, a pull wire swivel frame 2, a return spring 3, an elastic washer 4, a swivel frame fastening nut 5, an adjusting nut 6, an adjusting screw 7, and a throttle plate fastening screw 8 , throttle plate 9, cover 10, stepper motor 11, fastening screw 12, first self-tapping screw 13, second self-tapping screw 14, position sensor 15, throttle shaft 16, bearing 17 (the number is two ), limit clamp 18, first hanging pin 19, second hanging pin 20, long slot 21, first insert 25 (the number is two), second insert 26 (the number is two), mounting hole The insert 27 , the stay wire swivel insert 28 , the first insert 25 , the second insert 26 , and the mounting hole inserts 27 (there are four in nu...

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PUM

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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 [0001] The invention relates to a throttle body assembly, in particular to a plastic throttle body. Background technique [0002] The throttle body is an important part of the EFI system, which mainly controls the intake air flow and is installed on the intake manifold. One end of the throttle cable is connected to the cable swivel of the throttle body, and the other end is connected to the accelerator pedal. When the engine accelerates, step on the accelerator pedal and pull the cable swivel through the accelerator cable to open the throttle body to the required angle. The throttle position sensor (Throttle PositionSensor, TPS) converts the throttle opening (that is, the engine load) into an electrical signal and then inputs it to the ECU (Electronic Control Unit, electronic control unit). Such as idling conditions, partial load conditions, heavy load conditions, etc., and control the fuel injection time according to the requirements of the mixture concentr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02D9/10
Inventor 戴益锋
Owner SHANGHAI AUZONE AUTO PARTS MFG CO LTD
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