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 o

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
Comparison scheme
Effect test

Example Embodiment

[0030] Example 1. One kind of double-sided self-locking clamping mechanism motor, such as constituting Figure 1-2 Shown, comprises a shaft 1, the shaft 1 is provided with a ball bearing 2, a conventional ball bearing having an inner ring 2 201, 202 and the ball bearing outer ring structures 203, the ball bearing 2 is connected to the outer portion pressing the ball bearings 2 an inner ring 201 and outer ring 202 by a pressing force applied to each of the balls 203 in the axial direction after the pressing portion pressing.

[0031] Said ball bearing inner ring 2 and the outer ring 202 of ball bearing 201. 2 was set to face the pressing direction of the ball 203.

[0032] The ball number 2 is two, two ball bearings 2 are disposed on right and left sides of the rotary shaft 1; pressing the pressing portion includes a first group and a second group of pressing, pressing the first group and a second set of pressing the two ball bearings 2 respectively.

[0033] The first group compris...

Example Embodiment

[0043] Example 2. A single-side clamping motor self-locking mechanism, figure 2 As shown, including the rotating shaft 1, the rotating shaft 1 is provided with a ball bearing 2, and the ball bearing 2 is a bearing that conventional inner ring 201, outer ring 202, and ball 203 structure, and an extrusion portion, a ball bearing, a bead bearing? 2 The inner ring 201, the outer ring 202 is pressed by the extrusion portion, and the ball 203 is applied to the ball 203 respectively.

[0044] The outer ring 202 of the ball bearing 2 and the outer ring 202 of the ball bearing 2 are set to the pressing direction of the ball 203.

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

[0046] The extrusion portion includes a cover plate 3 and a first extrusion surface 101 on the rotating shaft 1, the outer ring 202 of the cover plate 3 and the ball bearing 2 is fitted, and the first extrusion surface 101 and the ball bearing 2 The inner ring 201 on one side is fitted w...

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PUM

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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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