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Bidirectional ratchet mechanism

A ratchet mechanism and ratchet technology, applied in mechanical equipment, belts/chains/gears, wrenches, etc., can solve the problems of large elastic pressure resistance of ratchets and the inability of ratchet mechanisms to work, and achieve the effect of simple mechanism, large torque and few parts.

Inactive Publication Date: 2008-08-20
王宁生
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As for the multiple pawls, the resistance to the ratchet spring pressure is greater, and the pawls are more likely to rotate simultaneously against the ratchet stagnation belt, making the ratchet mechanism unable to work.

Method used

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  • Bidirectional ratchet mechanism
  • Bidirectional ratchet mechanism

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Embodiment Construction

[0010] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0011] As shown in Figures 1 and 2 and Figures 3 and 4, on a plane with equal thickness, there is a through hole with two centers A and B, and the extension line connecting the centers A and B intersects at one end of the through hole R or r hole The wall is set as a center, and one to twenty internal teeth 3 are radially arranged on the hole wall, and a ratchet 5 with a ring of teeth is provided on the outer wall in the through hole, and the ratchet 5 can radially move along the direction of the circle center A and B. Moving back and forth, the teeth on the ratchet 5 can mesh with each tooth of the inner tooth 3, and can rotate radially together or reversely and separate to rotate independently. The radial outer wall of the through hole is connected with a handle 2, the middle line of the handle 2 is the handle center line 1, and the extension ...

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Abstract

The invention discloses a two-way ratchet device, with a view to provide a randomly two-way ratchet device which has no double-acting direction-changing button, no need of turn-over, no spring force, no belt-stopping of convolution and a simple mechanism. The technical proposal is that: set a through hole of two centers of two circles A and B on the surface which has the same thickness at an end of the handle; connect A, B and the extension line to meet on the hole wall of an end of the through hole (R or r) to set as the center; radially arrange one to twenty internal teeth on the symmetrical hole wall; arrange the ratchet wheel in the through hole; and the ratchet wheel can radially do reciprocating motion along the direction of A and B and mesh with the internal teeth to do radially two-way turn together or do separate turn alone. The center line of the handle and the extension line of A and B can be either collinear or parallel or intersectant. A tenon is positioned on the ratchet wheel or the ratchet wheel is connected with the mechanical parts. The tooth top width D of each tooth of the ratchet wheel is equal to or larger than the tooth root width E and the tooth top width T of each tooth of the internal teeth is equal to or larger than the tooth root width L.

Description

technical field [0001] The invention relates to an intermittent motion mechanism, in particular to a bidirectional ratchet mechanism. Background technique [0002] Ratchet mechanisms are widely used in various industries. In order to improve work efficiency, the application of ratchet mechanism in the field of hardware tools is constantly expanding. With the development of science and technology, the existing ratchet mechanism has been difficult to adapt to the development of modern industry and agriculture. Therefore, the research on high-performance, high-torque ratchet mechanism has become an urgent problem to be solved by mechanical researchers. Therefore, there are many applications for ratchet mechanism patents in recent years. Chinese patent: a ratchet mechanism, patent No. 02228083.9, which is disclosed in the application, and the position of the working force of the multi-pawl is poor, so that the turning angle is small. Its prin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25B13/46F16H27/00
Inventor 王宁生王宗孚
Owner 王宁生
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