Conveniently-reversed ratchet mechanism

A ratchet mechanism and ratchet technology, which is applied to mechanical equipment, one-way clutches, wrenches, etc., can solve the problems of complex reversing structure and cannot guarantee ratchet strength, etc., and achieve simple reversing structure, simple structure and strong thrust. Effect

Inactive Publication Date: 2015-03-25
CHONGQING JINYUN PRECISION HARWARE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the problem to be solved by the present invention is to provide a ratchet mechanism that is convenient for reversing. The structure is complex, and the ratchet strength cannot be guaranteed when the movement interval angle is small

Method used

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  • Conveniently-reversed ratchet mechanism

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Embodiment 1 The ratchet mechanism for convenient reversing

[0027] The convenient reversing ratchet mechanism of the present invention comprises a first ratchet 1 and a second ratchet 2 with ratchets, a one-way braking element 3 is arranged between the first ratchet 1 and the second ratchet 2, and the The one-way brake element 3 can selectively block the ratchet of the first ratchet 1 or the second ratchet 2; the one-way brake element 3 is magnetically attracted and stuck to the first ratchet 1 or the second ratchet 2 ratchet. preferred, such as figure 2 As shown, the one-way braking element 3 is in the shape of a cylinder, and ratchet teeth are arranged on the upper surface of both sides of the cylinder, and the first ratchet 1, the one-way braking element 3 and the second ratchet 2 are arranged coaxially in sequence. The first ratchet 1 and the second ratchet 2 are provided with ratchets on the end faces near the side of the one-way braking element 3. When the t...

Embodiment 2

[0029] Embodiment 2 ratchet wrench

[0030] The ratchet wrench, such as image 3 and 4 As shown, a wrench head 4 is included, and a ratchet mechanism is provided in the wrench head 4, and the ratchet mechanism includes a first ratchet 1 and a second ratchet 2 with ratchet teeth, and the first ratchet 1 and the second ratchet 2 A one-way brake element 3 is arranged between them, and the one-way brake element 3 can selectively block the ratchet teeth of the first ratchet 1 or the second ratchet 2; the one-way brake element 3 is attracted by magnetic force And block the ratchet of the first ratchet 1 or the second ratchet 2. Preferably, the one-way brake element 3 is in the shape of a cylinder, and ratchet teeth are arranged on the circumferential surface of both sides of the brake element, and the first ratchet 1, the one-way brake element 3 and the second ratchet 2 are arranged coaxially in sequence, Ratchet teeth are provided on the end faces of the first ratchet 1 and the ...

Embodiment 3

[0033] Embodiment 3 Ratchet screwdriver

[0034] Ratchet screwdriver of the present invention, as Figures 5 to 7 As shown, it includes a handle 6 and a screwdriver rod 7, the handle 6 is provided with a ratchet mechanism; the ratchet mechanism includes a first ratchet 1 and a second ratchet 2 with ratchets, the first ratchet 1 and the second ratchet A one-way braking element 3 is arranged between the ratchets 2, and the one-way braking element 3 can selectively block the ratchet teeth of the first ratchet 1 or the second ratchet 2; The magnetic force attracts and blocks the ratchets of the first ratchet 1 or the second ratchet 2 . Preferably, the one-way braking element 3 is cylindrical and has magnetism, ratchet teeth are arranged on the two side end faces of the one-way braking element 3, and the first ratchet 1, the one-way braking The moving element 3 and the second ratchet 2 are arranged coaxially in turn, and ratchet teeth are arranged on the end faces of the first ra...

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Abstract

The invention discloses a conveniently-reversed ratchet mechanism. The mechanism comprises a first ratchet wheel with ratchets and a second ratchet wheel with ratchets. A one-way brake element is arranged between the first ratchet wheel and the second ratchet wheel; the one-way brake unit can selectively clamp the ratchets of the first ratchet wheel or the ratchets of the second ratchet wheel. The one-way brake element attracts and clamps the ratchets of the first ratchet wheel or the ratchets of the second ratchet wheel by means of magnetic force. The conveniently-reversed ratchet mechanism has the advantages of being simple in structure, large in twisting force, small in minimum swing angle, simple in reversing structure and the like. A ratchet wrench and a ratchet screwdriver manufactured from the conveniently-reversed ratchet mechanism also have the advantages of being simple in reversing structure, large in twisting force, small in minimum swing angle and the like.

Description

technical field [0001] The invention relates to a mechanical device, in particular to a ratchet mechanism for convenient reversing and its application. Background technique [0002] Ratchet, a wheel with a toothed or frictional surface, pushed by pawls for stepping motion. The ratchet mechanism is a one-way intermittent motion mechanism composed of a ratchet wheel and a pawl. The ratchet mechanism is commonly used in the intermittent feeding of various machine tools and automatic machines or the indexing of the rotary table, and is also commonly used in jacks. A ratchet mechanism is used in a bicycle for one-way drive, and a ratchet mechanism is often used in a hand winch to prevent reverse rotation. According to the movement form of the follower, the ratchet mechanism can be divided into single-acting ratchet mechanism, double-acting ratchet mechanism and bidirectional ratchet mechanism. Wherein, both the single-acting ratchet mechanism and the double-acting ratchet mech...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16D41/18B25B13/46B25B15/04
Inventor 蒋小辉王振宇王帅
Owner CHONGQING JINYUN PRECISION HARWARE CO LTD
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