CN2600644Y

CN2600644Y - Freewheel clutch with double-retainer deformed wedge

Info

Publication number: CN2600644Y
Application number: CN 03204268
Authority: CN
Inventors: 兰永福
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-02-18
Filing date: 2003-02-18
Publication date: 2004-01-21
Anticipated expiration: 2013-02-18

Abstract

The utility model discloses an overriding clutch, in particular relates to a simplex overriding clutch using the abnormal voussoir to transmit motion. The utility model includes an inner wheel (4), an outer wheel (5) and multiple abnormal voussoirs (1) arranged inside the ring between the inner wheel (4) and the outer wheel (5). In addition, the utility model has an inner retainer (2) and an outer retainer (3). The outer retainer (3) is fitted over the inner retainer (20). Multiple evenly distributed holes (6) arranged along the circumferential direction are drilled on the external surface of the ring of the inner retainer (2). The corresponding holes (7) to the holes (6) are drilled on the surface of the ring of the outer retainer (3). The abnormal voussoirs (1) are inserted in the hole (6) and the hole (7). A lingua (3-3) with elasticity towards outside of the circle is arranged on the outer retainer (3). The lingua (3-3) is linked tight to the surface of the inner column of the outer wheel (5). The utility model has the advantage of simple structure, reliable function, low cost, longer service life, easy processing, maintaining and assembling, etc.

Description

Two retainer abnormity voussoir free wheel devicees

Technical field: the utility model relates to a kind of free wheel device, is specifically related to a kind of mono-directional overrun clutch that utilizes special-shaped voussoir transmitting movement.

Background technique: the patent No. is that the utility model patent of ZL01206172.7 discloses a kind of profiled roller mono-directional overrun clutch, and its shortcoming is a complex structure and because manufacture cost that complex structure brought is high and processing, assembling, maintenance difficult.

Model utility content: in order to overcome the high and processing of prior art manufacture cost, assembling, the defective of maintenance difficult, a kind of special-shaped voussoir free wheel device simple in structure is provided, the utility model is achieved by following scheme, a kind of pair of retainer abnormity voussoir free wheel device, wheel 4 in it comprises, special-shaped voussoir 1 in the annular in foreign steamer 5 and several are arranged on sideling between wheel 4 and the foreign steamer 5, retainer 2 and outer retainer 3 in it also comprises, the outside of retainer 2 in outer retainer 3 is enclosed within, have several along the circumferential direction equally distributed holes 6 on the annular outer surface of interior retainer 2, have on the annular outer surface of

outer retainer

3 and 6 corresponding holes 7, hole, abnormity voussoir 1 is inserted on hole 6 and the hole 7, outer retainer 3 is provided with the tongue 3-3 with elastic force outside circumference, and tongue 3-3 closely contacts with the inner periphery of foreign steamer 5.When foreign steamer 5 begins to clockwise rotate with respect to interior wheel 4, because tongue 3-3 closely is pressed on the internal surface of foreign steamer 5, retainer 3 is turned clockwise with respect to interior retainer 2 by the friction effect beyond the institute, the action of clockwise rotation is arranged under the effect of retainer 3 outside of the special-shaped voussoir 1 in being inserted on the hole 7 of the hole 6 of retainer 2 and outer retainer 3, loosen and the contacting of foreign steamer 5 and interior wheel 4, foreign steamer 5 is with respect to interior wheel 4 rotations.When foreign steamer 5 begins to rotate counterclockwise with respect to interior wheel 4, outer retainer 3 rotates counterclockwise with respect to interior retainer 2, the action of counterclockwise rotation is arranged under the effect of retainer 3 outside of abnormity voussoir 1, and special-shaped voussoir 1 is stuck between foreign steamer 5 and the interior wheel 4, and foreign steamer 5 is stopped with respect to the rotation of interior wheel 4.The utlity model has simple in structure, reliable operation, cheap, long working life, be easy to process, maintenance and advantage easy to assembly.

Description of drawings: Fig. 1 is the structural representation of the utility model mode of execution one, Fig. 2 is the structural representation of mode of execution one China and foreign countries' retainer 3, Fig. 3 is the plan view of Fig. 2, Fig. 4 is the structural representation of special-shaped voussoir in the mode of execution two, Fig. 5 is the structural representation of location piece 8 in mode of execution two and the mode of execution three, Fig. 6 is the plan view of Fig. 5, Fig. 7 is the structural representation of mode of execution two, Fig. 8 is a foreign steamer 5 in the mode of execution four, the assembly structure schematic representation of outer retainer 3 and interior retainer 2, Fig. 9 are the assembly structure schematic representation of foreign steamer 5 and outer retainer 3 in the mode of execution five.

Embodiment one: below in conjunction with Fig. 1, Fig. 2 and Fig. 3 specify present embodiment, it is by interior wheel 4, foreign steamer 5, several special-shaped voussoirs 1, outer retainer 3 and interior retainer 2 are formed, interior retainer 2 and outer retainer 3 all are rings, have several along the circumferential direction equally distributed holes 6 on the annular outer surface of interior retainer 2, have on the annular outer surface of

outer retainer

3 and 6 corresponding holes 7, hole, the outside of retainer 2 in outer retainer 3 is enclosed within, abnormity voussoir 1 is that the two ends working surface is for gradually opening the Cylindrical object of shape arc surface, abnormity voussoir 1 is inserted on hole 6 and the hole 7, interior retainer 2, in outer retainer 3 and special-shaped voussoir 1 are arranged in the annular space that inner periphery surrounded of wheel 4 outer cylinder surface and foreign steamer 5, the last working surface 1-1 of abnormity voussoir 1 contacts with foreign steamer 5, the following working surface 1-2 of abnormity voussoir 1 contacts with interior wheel 4, last working surface 1-1 and following working surface 1-2 are with respect to the O point symmetry, have gap 3-1 and gap 3-2 on the annulus edge of outer retainer 3, a bit of annulus between gap 3-1 and the gap 3-2 is the tongue 3-3 with elastic force outside circumference, and tongue 3-3 closely contacts with the inner periphery of foreign steamer 5.

Embodiment two: specify present embodiment below in conjunction with Fig. 4, Fig. 5, Fig. 6 and Fig. 7.The difference of present embodiment and mode of execution one is that the bi-side of special-shaped voussoir 1 are the arc surface 1-3 of indent, be provided with location piece 8 between the outer cylinder surface of the inner periphery of outer retainer 3 and interior retainer 2, have several and 6 corresponding holes 9, hole on the surface of the location piece 8 of ring, the side in hole 9 is provided with spring sheet 10, and special-shaped voussoir 1 is inserted in the hole 9 and spring sheet 10 withstands on the arc surface 1-3 of special-shaped voussoir 1 side indent.Location piece 8 is well located special-shaped voussoir 1, has improved the stability and the reliability of the utility model work.

Embodiment three: specify present embodiment below in conjunction with Fig. 5 and Fig. 6.The difference of present embodiment and mode of execution two is that several distortion projectioies 11 that stamp out are arranged on the ring surface of location piece 8.Distortion projection 11 makes location piece 8 be unlikely one side of circumferential weld between outer retainer 3 of deflection and the interior retainer 2, and special-shaped voussoir 1 is located better.

Embodiment four: specify present embodiment below in conjunction with Fig. 8.The difference of present embodiment and mode of execution one is, have step 5-1 on the end of the endoporus of foreign steamer 5, the end of outer retainer 3 is provided with the umbrella that leans out along 3-4 outside circumference, the end of interior retainer 2 is provided with the umbrella that leans out along 2-1 outside circumference, umbrella matches along 3-4 and step 5-1, and the lower end surface of outer retainer 3 contacts with the upper-end surface of umbrella along 2-1.Since be provided with step 5-1, umbrella along 2-1 and umbrella along 3-4, make the axially locating of outer retainer 3 and interior retainer 2 more accurate, more stable, can improve the stability of the utility model work and the convenience of installation.

Embodiment five: specify present embodiment below in conjunction with Fig. 9 and Fig. 8.The difference of present embodiment and mode of execution four is, the umbrella of outer retainer 3 is along having gap 3-5 and gap 3-6 on the 3-4, a bit of umbrella edge between gap 3-5 and gap 3-6 is tongue 3-7, tongue 3-7 closely contacts with the inner circumferential surface of the step 5-1 of foreign steamer 5, gap 3-5 is connected with gap 3-2, gap 3-6 is connected with gap 3-1, and the tongue 3-3 on the outer retainer 3 is thrown off to fall with contacting of the internal surface of foreign steamer 5.Because tongue 3-7 is arranged on umbrella along on the 3-4, but elastic compensating ability after its wearing and tearing and toolability are better than tongue 3-3.

Claims

1, a kind of pair of retainer abnormity voussoir free wheel device, it comprises interior wheel (4), foreign steamer (5) and several are arranged on the special-shaped voussoir (1) in the annular space between interior wheel (4) and the foreign steamer (5) sideling, it is characterized in that it also comprises interior retainer (2) and outer retainer (3), outer retainer (3) is enclosed within the outside of interior retainer (2), have several along the circumferential direction equally distributed holes (6) on the annular outer surface of interior retainer (2), have on the annular outer surface of outer retainer (3) and corresponding hole, hole (6) (7), abnormity voussoir (1) is inserted on hole (6) and hole (7), outer retainer (3) is provided with the tongue (3-3) with elastic force outside circumference, and tongue (3-3) closely contacts with the inner periphery of foreign steamer (5).

2, according to claim 1 pair of retainer abnormity voussoir free wheel device, it is characterized in that interior retainer (2) and outer retainer (3) all are rings, abnormity voussoir (1) is that the two ends working surface is for gradually opening the Cylindrical object of shape arc surface, the last working surface (1-1) of abnormity voussoir (1) contacts with foreign steamer (5), the following working surface (1-2) of abnormity voussoir (1) contacts with interior wheel (4), last working surface (1-1) and following working surface (1-2) are with respect to the O point symmetry, have gap (3-1) and gap (3-2) on the annulus edge of outer retainer (3), a bit of annulus between gap (3-1) and the gap (3-2) is the tongue (3-3) with elastic force outside circumference, and tongue (3-3) closely contacts with the inner periphery of foreign steamer (5).

3, according to claim 1 pair of retainer abnormity voussoir free wheel device, the bi-side that it is characterized in that special-shaped voussoir (1) are the arc surface (1-3) of indent, be provided with location piece (8) between the outer cylinder surface of the inner periphery of outer retainer (3) and interior retainer (2), have several and corresponding hole, hole (6) (9) on the surface of the location piece of ring (8), the side in hole (9) is provided with spring sheet (10), and special-shaped voussoir (1) is inserted in the hole (9) and spring sheet (10) withstands on the arc surface (1-3) of special-shaped voussoir (1) side indent.

4, according to claim 3 pair of retainer abnormity voussoir free wheel device is characterized in that on the ring surface of location piece (8) several distortion projectioies (11) that stamp out being arranged.

5, according to claim 1 pair of retainer abnormity voussoir free wheel device, it is characterized in that having step (5-1) on the end of endoporus of foreign steamer (5), the end of outer retainer (3) is provided with the umbrella edge (3-4) that leans out outside circumference, the end of interior retainer (2) is provided with the umbrella edge (2-1) that leans out outside circumference, umbrella matches with step (5-1) along (3-4), and the lower end surface of outer retainer (3) contacts with the upper-end surface of umbrella along (2-1).

6, according to claim 5 pair of retainer abnormity voussoir free wheel device, the umbrella that it is characterized in that outer retainer (3) is along having gap (3-5) and gap (3-6) on (3-4), a bit of umbrella edge between gap (3-5) and gap (3-6) is tongue (3-7), tongue (3-7) closely contacts with the inner circumferential surface of the step (5-1) of foreign steamer (5), gap (3-5) is connected with gap (3-2), gap (3-6) is connected with gap (3-1), and the tongue (3-3) on the outer retainer (3) is thrown off to fall with the contacting of internal surface of foreign steamer (5).