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Single-direction clutching mechanism

A one-way clutch and clutch technology, applied in the field of machinery, can solve problems such as high manufacturing process requirements, slippage, and failure to start the automobile engine, and achieve the effects of overcoming slippage defects, fewer components, and reasonable structural design

Inactive Publication Date: 2007-03-28
叶常青 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing one-way clutch mechanism has high requirements on the materials and manufacturing process of the rollers, sleeves and helical spline shafts. After working for a period of time, due to the wear of the inner cavity raceway and rollers, it is easy to slip, causing the automobile engine to slip. unable to start

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0022] Referring to Fig. 2, Fig. 3, Fig. 4 and Fig. 5, this is an example of a rotating body forming a disk-like matching structure. The end surface of the first rotating body 1 is provided with more than two guide grooves, generally three to five are preferred. The guide groove is a through groove 11, and the second rotating body 2 is provided with more than two guide grooves having a certain angle with the through groove 11 toward the end surface of the first rotating body 1. The guide grooves are blind grooves 21, and more than two blind grooves Groove 21 connects into an annular cavity 22 near the central end of the axis, and the sliding body is a cylinder 3, which is placed in the through groove 11 of the first rotating body, and its double ends can be inserted into the blind groove 21 of the second rotating body and end cover 4 or In the annular cavity 22, the cavity width of the annular cavity 22 is equivalent to the diameter of the sliding body of the cylinder 3, and th...

Embodiment 2

[0026] With reference to Fig. 6, the rotating body of this example forms the circumferential surface matching structure, and the surface of the first rotating body 1 has a semicircular guide groove 6, and the second rotating body 2 is provided with the clutch inner and outer cavities 23, 24 of the coaxial center line, and the clutch The inner cavity 23 matches the diameter of the first rotating body 1, and is sleeved on the first rotating body to form a dynamic fit. The projection angle) of the semicircular guide groove 6, the sliding body is a ball 31, which can be movably placed in the intersecting cavity of the first rotating body 1 and the second rotating body 2 semicircular guide groove 6, the clutch outer cavity of the second rotating body 2 24 forms a cavity in which the ball 31 can move freely, that is, once the ball 31 slides into the clutch outer cavity 24, the two rotating bodies will lose the meshing state, and the diameter of the clutch outer cavity 24 is at least ...

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Abstract

This invention relates to a single-way clutch unit including a first rotator and a second rotator matched dynamically with guiding grooves having an included angle on the matched surfaces of the two rotators, a sliding body is put movably in a space formed by crossing the two guiding grooves, in which, a cavity is set on one rotator with a freely moving sliding body and connected with the guiding groove and an end cover limiting the sliding body is fixed on the rotator with the cavity. Acted by the guide grooves with an angle, a slide body moves into the crossed clearance of the two grooves to realize meshing the two rotators based on the change of the relative speed of the two rotators, then it moves away from the grooves and enters into the cavity of the rotators to realize separation of the two rotators.

Description

Technical field: [0001] The invention belongs to the mechanical field, and in particular relates to a one-way clutch mechanism, which is especially suitable for a one-way clutch mechanism used as a vehicle starter. Background technique: [0002] The one-way clutch mechanism is widely used in the field of automobile starters. The starter is a key small part of the automobile engine, and its failure will directly cause the vehicle to fail to start. At present, the one-way device on the automobile starter, or called the transmission mechanism, mainly makes the starter drive gear mesh with the engine flywheel for transmission and separation. Different types of starters have different one-way devices, and the common ones are roller type, friction plate type, spring type and ratchet type. The structure of the classic roller one-way device is shown in Figure 1a and Figure 1b. This article takes Figure 1a as an example, which includes an external gear directional sleeve, an intern...

Claims

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Application Information

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IPC IPC(8): F16D41/00F02N15/02
Inventor 叶羽纺叶杉叶常青叶芃叶常彬叶羽纬
Owner 叶常青
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