Connection structure of throttle shaft and sector gear, throttle shaft and sector gear
A throttle shaft and sector gear technology, which is applied in the direction of connecting components, shafts and bearings, belts/chains/gears, etc., can solve the problem of high investment in laser welding equipment, and achieve saving equipment investment, low cost, and simple assembly and operation process Effect
Active Publication Date: 2011-04-13
UNITED AUTOMOTIVE ELECTRONICS SYST
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- Summary
- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
[0003] In order to ensure the stable and reliable connection between the shaft and the sector gear of the throttle valve, the existing throttle valve usually uses laser welding to realize the connection between the shaft and the sector gear, but the investment in laser welding equipment is very high
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Embodiment Construction
[0022] An embodiment of the connection structure between the shaft of the throttle valve and the sector gear of the present invention includes a throttle shaft, a sector gear, and a rotor;
[0023] The throttle shaft is the output part of the torque, such as figure 1 , figure 2 As shown, the throttle shaft 1 is cylindrical, and an annular bump groove 11 is formed under one end of the throttle shaft 1, and a shaft passing through the shaft center on both sides of the throttle shaft is formed at the end of the throttle shaft. The flat keyway 12, the distance from the annular lug groove to the end of the throttle shaft is less than the depth of the flat keyway; figure 1 , figure 2 where a is the diameter of the throttle shaft 1, b is the distance from the annular bump groove to one end of the throttle shaft, c is the width of the annular bump groove, d is the depth of the annular bump groove, and e is the axis plane Depth of the keyway, f is the width of the shaft flat keywa...
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The invention discloses a connection shaft of a throttle shaft and a sector gear, which comprises the throttle shaft and the sector gear, wherein the throttle shaft is cylindrical, the lower part at one end of the throttle shaft is provided with an annular lug slot, and a shaft flat-key slot which penetrates through the both sides of the throttle shaft and passes through the axle center is also formed at the end of the throttle shaft; and the sector gear is provided with a shaft hole matched with the throttle shaft, two gear flat-key slots distributed in an axial symmetry mode are formed at both sides of one end of the shaft hole, two lugs distributed in an axial symmetry mode are formed under the gear flat-key slots in the shaft hole, and included angles are formed between the two lugs distributed in an axial symmetry mode and the two gear flat-key slots distributed in an axial symmetry mode. The invention also discloses the throttle shaft and the sector gear. The invention can ensure the stable and reliable connection of the throttle between the shaft and the sector gear, and has the advantages of simple assembly and operation process and low cost.
Description
technical field [0001] The invention relates to automobile electronic technology, in particular to a connection structure between a throttle shaft and a sector gear, the throttle shaft and the sector gear. Background technique [0002] The throttle valve is an important part of the car engine intake system. It includes body, valve plate, throttle shaft, DC motor, sector gear reduction mechanism, torsion spring, rotor and so on. The rotor fixed on the shaft reflects the position of the valve plate, and the position signal is output to the ECU (automotive electronic control unit) through the sensor. The valve plate is fixed on the shaft, and the ECU drives the DC motor to control the rotation of the shaft through the sector gear reduction mechanism to control the opening of the valve plate, thereby controlling the air intake of the engine. During the working process of the engine, the connection between the sector gear and the shaft is responsible for transmitting the output...
Claims
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Inventor 薛晓贞屈晨竹邸剑涛王永山韩明刘健
Owner UNITED AUTOMOTIVE ELECTRONICS SYST