CN201723588U

CN201723588U - Novel unidirectional bearing structure

Info

Publication number: CN201723588U
Application number: CN2010202084653U
Authority: CN
Inventors: 朱树勋
Original assignee: 林丽娥
Priority date: 2010-05-22
Filing date: 2010-05-22
Publication date: 2011-01-26
Anticipated expiration: 2020-05-22

Abstract

The utility model relates to the technical field of mechanical structures, in particular to a novel unidirectional bearing structure, which comprises a central shaft, an outer shaft sleeve and an inner rotating shaft sleeve, wherein the inner rotating shaft sleeve is installed in the outer shaft sleeve, at least one arc-shaped slot for containing steel balls is drilled at the periphery of the inner rotating shaft sleeve, the central shaft is penetrated in the inner rotating shaft sleeve and the outer shaft sleeve, and a clamping spring is clamped on the central shaft, so that the inner rotating shaft sleeve is fixed in the outer shaft sleeve. The utility model has simple and scientific structural design, stable service performance and low production cost.

Description

A kind of novel unilateral bearing structure

Technical field:

The utility model relates to the mechanical structure technical field, refers in particular to a kind of novel unilateral bearing structure.

Background technique:

The purposes of unilateral bearing is as follows: conversion rate promptly under the situation that kinematic chain is not thrown off, can make driven member obtain two kinds of speed of speed; Prevent to reverse, can only be at a sense of rotation transmitting torque, and the next idle running of torque in the opposite direction; Intermittent movement, by adopting the appropriate combination of two-way bearing and unilateral bearing, can realize that driven member does the intermittent movement of certain rule, be mainly used in realizing on the internal-combustion engine such as automobile the vitals of start-up function, be particularly useful in the High-Voltage Electrical Appliances industry product in all kinds of breaker operation mechanisms.

Existing unilateral bearing can be applicable to the transmission device that needs converse stopping mechanism, relies on the speed of related movement variation of driving and driven part and sense of rotation conversion to reach automatic combination or throw off purpose, its complex structural designs, be prone to fault, manufacture cost is higher, and it breaks down, not easy-maintaining.

The model utility content:

The purpose of this utility model is at the deficiencies in the prior art, and a kind of novel unilateral bearing structure is provided, and the simple science of its structural design, usability are stablized, and cost of production is low.

For achieving the above object, the utility model adopts following technological scheme, it comprises central shaft, external axle sleeve, interior rotating shaft cover, interior rotating shaft cover is installed in the external axle sleeve, the circumferential perimeter of interior rotating shaft cover offers the curve bath of at least more than one ccontaining steel ball, central shaft is located in interior rotating shaft cover, the external axle sleeve, and the rotating shaft cover was fixed in the external axle sleeve in jump ring was fastened on and makes on the central shaft.

The groove that described curve bath is deepened to the axle core gradually from the edge of interior rotating shaft cover.

The rotating shaft cover is fixed by fixed block and central shaft in described.

The shaping surface of described external axle sleeve has gear.

Described central shaft shaping surface has gear.

The utility model beneficial effect is: the circumferential perimeter of interior rotating shaft cover offers the curve bath of at least more than one ccontaining steel ball, central shaft is located in interior rotating shaft cover, the external axle sleeve, steel ball is installed in curve bath, one-way rotation, check is effective, the simple science of its structural design, usability are stablized, and cost of production is low.

Description of drawings:

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is a sectional view of the present utility model;

Fig. 3 is a plan view of the present utility model;

Fig. 4 is a decomposition texture schematic representation of the present utility model.

Embodiment:

See shown in Fig. 1,2,3,4: the utility model comprises central shaft 1, external axle sleeve 2, interior rotating shaft cover 3, interior rotating shaft cover 3 is installed in the external axle sleeve 2, the circumferential perimeter of interior rotating shaft cover 3 offers the curve bath 31 of at least more than one ccontaining steel ball 4, in rotating shaft cover 3, the external axle sleeve 2, rotating shaft cover 3 was fixed in the external axle sleeve 2 in jump ring 6 was fastened on and makes on the central shaft 1 in central shaft 1 was located in.

The groove that described curve bath 31 is deepened to the axle core gradually from the edge of interior rotating shaft cover 3.

Rotating shaft cover 3 is fixing with central shaft 1 by fixed block 5 in described.

The shaping surface of described external axle sleeve 2 has gear 21.

Another kind of mode of execution is: central shaft 1 surface also can be formed with gear, has not just established gear 21 on the external axle sleeve 2.

The utility model can use that other needs in the mechanism of one-way rotation at internal-combustion engine, High-Voltage Electrical Appliances industry product etc., driving force drives central shaft 1 and rotates, steel ball 4 rotates in curve bath 31, because curve bath 31 is grooves of deepening gradually to the axle core from the edge of interior rotating shaft cover 3, so have only one-way rotation, external axle sleeve 2 can rotate smoothly with interior rotating shaft cover 3, as long as backward rotation occurs, external axle sleeve 2 can be stopped by steel ball 4 with interior rotating shaft cover 3 so, stops operating.

Structure applications scope of the present utility model is wide, can make the different product of size, can adopt materials such as metal, plastic cement to make.

The above only is preferred embodiment of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.

Claims

1. novel unilateral bearing structure, it comprises central shaft (1), external axle sleeve (2), interior rotating shaft cover (3), it is characterized in that: interior rotating shaft cover (3) is installed in the external axle sleeve (2), the circumferential perimeter of interior rotating shaft cover (3) offers the curve bath (31) of at least more than one ccontaining steel ball (4), central shaft (1) is located in interior rotating shaft cover (3), the external axle sleeve (2), and rotating shaft cover (3) was fixed in the external axle sleeve (2) in jump ring (6) was fastened on and makes on the central shaft (1).

2. a kind of novel unilateral bearing structure according to claim 1 is characterized in that: the groove that described curve bath (31) is deepened to the axle core gradually from the edge of interior rotating shaft cover (3).

3. a kind of novel unilateral bearing structure according to claim 1 is characterized in that: rotating shaft cover (3) is fixing by fixed block (5) and central shaft (1) in described.

4. a kind of novel unilateral bearing structure according to claim 1, it is characterized in that: the shaping surface of described external axle sleeve (2) has gear (21).

5. a kind of novel unilateral bearing structure according to claim 1 is characterized in that: described central shaft (1) shaping surface has gear.