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Electronic throttle body

An electronic throttle body and throttle technology, which is applied in engine control, machines/engines, mechanical equipment, etc., can solve problems such as the throttle plate cannot be reset, the car is out of control, and traffic accidents occur, so as to solve the problem of unreliable contact and reduce Effect of machining and improving safety

Inactive Publication Date: 2012-03-28
SICHUAN HONGGUANG AUTO MACHINERY ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But if one of the springs is damaged, the throttle will not return
When the car is running, if the return spring fails, it is likely to cause the car to lose control and cause a traffic accident

Method used

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Embodiment Construction

[0030] The present invention will be further described below in conjunction with the accompanying drawings, and the protection scope of the present invention is not limited to the following description.

[0031] Such as figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 and Figure 10 As shown, the electronic throttle body includes a throttle body 1, a throttle shaft 2 mounted on the throttle body 1 via a bearing 17, and a throttle plate 3 mounted on the throttle shaft 2, which is connected with the throttle shaft 2 The position sensor 4, the DC motor 5 installed on the throttle body 1, the sector gear 11 is installed on the throttle shaft 2, and the sector gear 11 meshes with the intermediate gear 10 installed on the throttle body 1, so Said intermediate gear 10 meshes with the motor gear 7 mounted on the DC motor 5;

[0032] Throttle body 1 is provided with body limit block B13, body limit block A14, body limit mechanism A23, body limit mechanism B28, sector gear ...

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Abstract

The invention discloses an electronic throttle body which comprises a throttle body (1), a throttle shaft (2), a throttle plate (3), a position sensor (4) and a DC (direct current) motor, wherein a motor gear arranged on the DC motor is meshed with a middle gear arranged on the throttle body (1), the middle gear is meshed with a sector gear arranged on the throttle shaft (2), a limiting mechanism is arranged on the throttle body (1) and the sector gear, and a torsional spring is connected with the throttle body and the sector gear; when the DC motor does not output power, the throttle plate (3) is located at a high-idling position under the torsional action of the torsional spring; and the torsional spring is composed of a left torsional spring and a right torsional spring which are connected by a middle end. The electronic throttle body disclosed by the invention has the advantages that when one of the two torsional springs fails, the other torsional spring still can control the throttle plate to reset to the high-idling position, thereby improving the security.

Description

technical field [0001] The invention relates to a throttle body, in particular to an electronic throttle body. Background technique [0002] With the development of automobile technology, the electronic throttle body has been more and more widely used, gradually replacing the traditional mechanical throttle body. The electronic throttle is used to build the electronic throttle control system, which can realize the best torque output of the engine in the whole range, precisely control the throttle opening, and improve the engine emission performance. The current electronic throttle valves all contain two return springs which are not in contact with each other. When the motor is not working, under the joint action of the two return springs, the throttle plate returns to the initial position. But if one of the springs is damaged, the throttle will not return. When the car is running, if the return spring fails, it is likely to cause the car to lose control and cause a traffic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02D9/10
Inventor 万里军张德政刘军雷荣张兴华
Owner SICHUAN HONGGUANG AUTO MACHINERY ELECTRONICS
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