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Double-side clamping type motor self-locking mechanism and self-locking motor

A self-locking motor and side clamp technology, applied in electrical components, electromechanical devices, electric components, etc., can solve the problems of output shaft jamming, reduce motor rotational stability, self-locking effect, and hidden safety hazards, and improve self-locking. Stability, excellent working stability, avoid the effect of self-locking force change

Pending Publication Date: 2021-12-21
浙江美茵电机有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, on the one hand, this self-locking structure will cause friction and overheating problems with the rotation of the motor at the position of the elastic sleeve, which poses a certain safety hazard; As a result, the clamping of the output shaft or the failure of the elastic sleeve will reduce the rotation stability and self-locking effect of the motor
[0005] Therefore, the existing self-locking motors have the problems of complex structure, high working temperature and poor self-locking stability.

Method used

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  • Double-side clamping type motor self-locking mechanism and self-locking motor
  • Double-side clamping type motor self-locking mechanism and self-locking motor
  • Double-side clamping type motor self-locking mechanism and self-locking motor

Examples

Experimental program
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Effect test

Embodiment 1

[0030] Example 1. A double-sided clamping motor self-locking mechanism, which is composed of Figure 1-2 As shown, the rotating shaft 1 is included, and the ball bearing 2 is arranged on the rotating shaft 1. The ball bearing 2 is a conventional bearing with an inner ring 201, an outer ring 202 and balls 203. The outer side of the ball bearing 2 is connected with an extruded part. The ball bearing The inner ring 201 and the outer ring 202 of 2 respectively exert axial pressing force on the balls 203 after being squeezed by the extrusion part.

[0031] The directions in which the inner ring 201 of the ball bearing 2 and the outer ring 202 of the ball bearing 2 exert pressure on the balls 203 are opposite to each other.

[0032] The number of the ball bearings 2 is two, and the two ball bearings 2 are respectively arranged on the left and right sides of the rotating shaft 1; the extruding part includes a first extruding group and a second extruding group, the first extruding gr...

Embodiment 2

[0043] Example 2. A single-side clamping motor self-locking mechanism, which is composed of figure 2 As shown, the rotating shaft 1 is included, and the ball bearing 2 is arranged on the rotating shaft 1. The ball bearing 2 is a conventional bearing with an inner ring 201, an outer ring 202 and balls 203. The outer side of the ball bearing 2 is connected with an extruded part. The ball bearing The inner ring 201 and the outer ring 202 of 2 respectively exert axial pressing force on the ball 203 after being squeezed by the extrusion part.

[0044] The directions in which the inner ring 201 of the ball bearing 2 and the outer ring 202 of the ball bearing 2 exert pressure on the balls 203 are opposite to each other.

[0045] The ball bearing 2 is arranged on one side of the rotating shaft 1 .

[0046] The extrusion part includes a cover plate 3 and a first extrusion surface 101 located on the rotating shaft 1, the cover plate 3 and the outer ring 202 on one side of the ball be...

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Abstract

The invention discloses a double-side clamping type motor self-locking mechanism and a self-locking motor. The double-side clamping type motor self-locking mechanism comprises a rotating shaft (1), wherein a ball bearing (2) is arranged on the rotating shaft (1), the outer side of the ball bearing (2) is connected with an extrusion part, and an inner ring (201) and an outer ring (202) of the ball bearing (2) apply axial pressing force to balls (203) after being extruded by the extrusion part. According to the double-side clamping type motor self-locking mechanism, the self-locking effect on the rotating shaft is realized through frictional resistance formed by mutual fitting of the balls in the ball bearing with the inner ring and the outer ring after the balls are subjected to axial pressure, so that the heating temperature of the motor in the working process is reduced, and the self-locking mechanism has the advantages of simple structure and good self-locking stability.

Description

technical field [0001] The invention relates to a motor self-locking mechanism, in particular to a double-side clamping motor self-locking mechanism and a self-locking motor. Background technique [0002] The motors used for lifting tables, hospital beds and other equipment will bear greater pressure under load, causing the output shaft in the motor to be forced to form relative rotation when the motor is at rest and powered off, which will cause the equipment to react. Falling downwards, unable to remain constant at the specified height. In order to avoid the above problems, this type of motor needs to have a self-locking function. [0003] At present, there are two types of motor self-locking structures on the market. One is to rely on the spring structure to realize the self-locking function. For example, in the patent 200910160955.2 "Transmission mechanism with deceleration function", through equal claw arms, needle rollers, intermediary rings and coil springs With the...

Claims

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Application Information

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IPC IPC(8): H02K5/173H02K7/10
CPCH02K5/1732H02K7/10
Inventor 甘建华沈杰
Owner 浙江美茵电机有限公司
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