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Automobile instrument panel transmission cam

A technology of automobile instrument panel and transmission cam, applied in the direction of cam, belt/chain/gear, mechanical equipment, etc., can solve the problem of unreasonable camshaft design, and achieve the effect of flexible rotation, large detection breadth and good sealing effect

Inactive Publication Date: 2015-06-17
NINGBO YONGSHOCK PRECISION MACHINERY COMPANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The design of the camshaft on the above-mentioned car dashboard is not reasonable enough and needs to be improved

Method used

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  • Automobile instrument panel transmission cam
  • Automobile instrument panel transmission cam

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] The main material composition of the steel connection part 3 in this embodiment is (wt.%) carbon C: 0.05%; silicon carbide: 23%; manganese Mn: 0.30%; chromium Cr: 1.35%; aluminum Al: 1.00%; Molybdenum Mo: 0.15%; short carbon fiber (10-20 microns in length) 1.5%; the balance is Fe and unavoidable impurities, of which silicon carbide is whisker material and microcrystalline material (grain size is 0.1-2 Micron) mixture, the amount of whisker material added accounts for 5% of the total mass of silicon carbide. In the first mixing, the amount of ethanol added is 20% of the total volume of silicon carbide and carbon fiber short fibers; in the second mixing, add adjuvants to account for the total volume of whisker materials, microcrystalline materials, carbon fiber short fibers and alloy particles 20% of.

[0030]In this embodiment, the surface hardness of the connecting part 3 is HRC34, the tensile strength is 1300MPa, the yield strength is 1020MPa, and the elongation at br...

Embodiment 2

[0032] The main material composition of the steel connection part 3 in this embodiment is (wt.%) carbon C: 0.06%; silicon carbide: 25%; manganese Mn: 0.45%; chromium Cr: 1.40%; aluminum Al: 0.9%; Molybdenum Mo: 0.20%; short carbon fiber (10-20 microns in length) 1.3%; the balance is Fe and unavoidable impurities, of which silicon carbide is whisker material and microcrystalline material (grain size is 0.1-2 Micron) mixture, the amount of whisker material added accounts for 10% of the total mass of silicon carbide. In the first mixing, the amount of ethanol added is 25% of the total volume of silicon carbide and carbon fiber short fibers; in the second mixing, add admixtures to account for the total volume of whisker materials, microcrystalline materials, carbon fiber short fibers and alloy particles 17%.

[0033] In this embodiment, the surface hardness of the connecting part 3 is HRC34, the tensile strength is 1250MPa, the yield strength is 980MPa, and the elongation at brea...

Embodiment 3

[0035] The main material composition of the steel connection part 3 in this embodiment is (wt.%) carbon C: 0.07%; silicon carbide: 20%; manganese Mn: 0.35%; chromium Cr: 1.65%; aluminum Al: 0.8%; Molybdenum Mo: 0.25%; short carbon fiber (10-20 microns in length) 0.8%; the balance is Fe and unavoidable impurities, of which silicon carbide is whisker material and microcrystalline material (grain size is 0.1-2 Micron) mixture, the amount of whisker material added accounts for 15% of the total mass of silicon carbide. In the first mixing, the amount of ethanol added is 30% of the total volume of silicon carbide and carbon fiber short fibers; in the second mixing, add admixtures to account for the total volume of whisker materials, microcrystalline materials, carbon fiber short fibers and alloy particles 15%.

[0036] In this embodiment, the surface hardness of the connecting part 3 is HRC34, the tensile strength is 1330MPa, the yield strength is 1000MPa, and the elongation at bre...

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Abstract

The invention discloses an automobile instrument panel transmission cam which comprises a rotating portion, a mounting portion and a connecting portion, wherein the two ends of the rotating portion extend outwards to form the mounting portion and the connecting portion. Multiple cam portions are arranged on the rotating portion in a protruding mode, cross sections are formed in the cam portions, and the cross sections of the cam portions are distributed alternately and parallel to each other. Counter bored holes are formed in the end portion of the mounting portion along the axis, wire outlets are formed in the peripheral surface of the mounting portion, and the wire outlets are communicated with the counter bored holes. The connecting portion is made of steel. The automobile instrument panel transmission cam is simple in structure, good in stability, and excellent in mechanism performance.

Description

technical field [0001] The invention belongs to the technical field of auto parts, and relates to a transmission cam, in particular to an automobile instrument panel transmission cam. Background technique [0002] The car dashboard is a device that reflects the working conditions of the various systems of the vehicle. The common ones are fuel indicator light, washer fluid indicator light, electronic throttle indicator light, and front and rear fog light indicator lights. [0003] Chinese patent CN203686057U discloses a brake camshaft, which includes a cam and a shaft, the front ends of the cam and the shaft are fixedly connected, the center of the shaft and the center of rotation of the cam are on the same straight line, and the outer surface of the end of the shaft is provided with a spline, The cross section of the cam is S-shaped or S-shaped symmetrical, and an arc groove is radially formed on the outer edge of the cam, and a power sensor is fixedly arranged in the arc g...

Claims

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Application Information

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IPC IPC(8): F16H53/00C22C49/14C22C47/02C22C101/10C22C101/14C22C121/00
CPCF16H53/08C22C47/02C22C49/14
Inventor 李再裕陈旗
Owner NINGBO YONGSHOCK PRECISION MACHINERY COMPANY
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