Encoder with corrugated structure positioning shell
A technology for positioning shells and encoders, which is applied in the direction of instruments, converting sensor output, and using mechanical devices to transfer sensing components. High precision, simple structure and practical effect
Active Publication Date: 2014-03-19
DONG GUAN CHANG TAI ER ELECTRONICS
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Problems solved by technology
However, the positioning housing that uses thin metal material punching to form spaced positioning holes is prone to the phenomenon that the positioning rotating plate stays between the two positioning holes of the positioning shell during the process of cooperating with the positioning rotating piece to rotate and locate, resulting in output signal Early or late, resulting in errors in editing codes, and even failure of the positioning function. In addition, in the process of relative rotation, the degree of wear and tear is large. With the extension of the number of positioning uses, it is easy to cause the positioning point to be relatively blurred, the rotation torque is light, and it is easy to touch when touching. The phenomenon of position movement; positioning parts made of plastic or zinc alloy materials have poor high temperature resistance, wear resistance, and short service life; using stainless steel and other materials to obtain positioning parts through injection or casting molding is not only complicated and inefficient. Mold has short service life, high cost and easy to cause environmental pollution
Method used
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Embodiment Construction
[0023] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0024] see Figure 1 to Figure 4 , an encoder with a corrugated structure positioning shell, including a shaft core 1, a shaft sleeve 2 with shaft holes in the middle, a first conductive body 3, a second conductive body 4, the shaft sleeve 2, the first conductive body The body 3 and the second conductive body 4 are sequentially sleeved on the shaft core 1, the shaft core 1 can rotate in the shaft hole, and also includes a brush 5 with brush claws on the upper and lower surfaces. The shaft core 1 rotates and the brush claws on the upper and lower surfaces are in contact with the first conductive body 3 and the second conductive body 4 respectively. It also includes a positioning and rotating mechanism that is sleeved on the shaft core 1 and rotates with the shaft core 1 and is connected with the positioning and rotating mechanism. Cooperating positioning shell 7, the...
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The invention relates to the technical field of electronic components and particularly relates to an encoder with a corrugated structure positioning shell. The positioning shell is provided with a plurality of positioning projections, and a positioning groove which is matched with a positioning and rotating mechanism is formed between any two adjacent positioning projections. In the process of matching, rotating and positioning the positioning and rotating mechanism, since the surfaces of the positioning projections are smooth arc structures, a smooth corrugated structure is formed by the positioning projections and the positioning grooves, the positioning and rotating mechanism can smoothly slide from one positioning groove to a next positioning groove without stay between the two positioning grooves, a phenomenon of forward or lagged signal output is avoided, and the signal output precision is high. In addition, the reduction of the wear of the positioning shell by friction in the rotation process is facilitated, phenomena of positioning point fuzziness, rotating torque reduction and easy running in contact in long time use are avoided, and the service life of the encoder is long.
Description
technical field [0001] The invention relates to the technical field of electronic components, in particular to an encoder with a corrugated structure positioning shell. Background technique [0002] An encoder is a device that compiles and converts signals or data into signal forms that can be used for communication, transmission and storage. It is widely used in communication equipment. The positioning shell (positioning partition) is a positioning device that plays a role in precise positioning in the encoder. The part structure, through which it can switch gears to achieve the purpose of changing the signal output, is required to have better high temperature resistance and wear resistance, and high signal output accuracy. [0003] The existing positioning shells applied to encoders mainly include the following types: (1) Use thin metal materials to punch holes to form spaced positioning holes to achieve positioning purposes; (2) Use plastic or zinc alloy materials to form...
Claims
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Patent Timeline
Login to View More IPC IPC(8): H01H19/04
CPCG01D5/165G01D5/02
Inventor 金志良林正生辛文涛杨晓德梁湖勇高顺利田维金
Owner DONG GUAN CHANG TAI ER ELECTRONICS