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Torque output tool and one-way torque transmission mechanism thereof

A torque transmission, one-way technology, applied in the direction of motor tools, manufacturing tools, one-way clutches, etc., can solve the problems of lower tool efficiency, high heat, impact and friction, etc., to improve efficiency, reduce heat, and reduce adverse effects Effect

Active Publication Date: 2015-12-30
NANJING CHERVON IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in the process of transmitting torque during the normal operation of the existing shaft lock mechanism, although the parts used for locking are in an unlocked state, unnecessary contact will always occur between them, resulting in impact and friction, thereby reducing the tool. efficiency, and the problem of excessive heat generation

Method used

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  • Torque output tool and one-way torque transmission mechanism thereof
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  • Torque output tool and one-way torque transmission mechanism thereof

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Embodiment Construction

[0028] The present invention will be specifically introduced below in conjunction with the accompanying drawings and specific embodiments.

[0029] refer to Figure 1 to Figure 9 As shown, the torque output tool of the present invention is a screwdriver 100 as a preferred embodiment. Certainly, it may also be a torque output tool such as an electric drill or a torque wrench.

[0030] The screwdriver 100 includes: a housing 101 , a motor (not shown in the figure) and a transmission assembly (not shown in the figure). Wherein, the motor and the transmission assembly are arranged in the casing 101 .

[0031] The casing 101 is used to accommodate components such as a motor and a transmission assembly so that they form a whole. The motor is used as a power source to output torque through its motor shaft, which is used as a torque input for the entire transmission assembly.

[0032] As a more specific solution, in order to realize the adjustment of speed and torque, the transmis...

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PUM

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Abstract

The invention discloses a torque output tool and a one-way torque transmission mechanism thereof. The torque output tool comprises a shell, a motor and a transmission assembly, wherein the motor and the transmission assembly are arranged inside the shell. The transmission assembly comprises the one-way torque transmission mechanism, the one-way torque transmission mechanism comprises a main shaft, a driving part, a lock sleeve, a lock cylinder, locking parts and others, the lock sleeve comprises a lock ring, the lock cylinder comprises a cylinder, the inner wall of the lock ring at least comprises two limiting wall surfaces which are matched with the outer wall of the cylinder of the lock cylinder to lock or loosen the locking parts, the locking parts are arranged between the lock ring and the cylinder and only make contact with the lock sleeve stably when transmission is carried out to the main shaft from the driving part under the action of centrifugal force, no redundant impact and friction are generated, efficiency of torque transmission is improved, heat generated by the mechanism is reduced, and bad influences on reliability of the tool of temperature increase are reduced.

Description

technical field [0001] The invention relates to a power output tool and its transmission mechanism, in particular to a torque output tool and its one-way torque transmission mechanism. Background technique [0002] Torque output tools represented by electric drills, screwdrivers, etc. are very commonly used power tools, and their working components can be drill bits, bits, etc. When designing this type of tool, in order to protect the motor and facilitate the replacement of tool components, the transmission mechanism of this type of tool is often equipped with a shaft lock mechanism that allows the tool to only transmit torque from the power source to the main shaft in one direction. . [0003] However, in the process of transmitting torque during the normal operation of the existing shaft lock mechanism, although the parts used for locking are in an unlocked state, unnecessary contact will always occur between them, resulting in impact and friction, thereby reducing the to...

Claims

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Application Information

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IPC IPC(8): F16D41/06B25B21/00
Inventor 邹玲玲陈翠华章智
Owner NANJING CHERVON IND
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