CN201461791U

CN201461791U - Bidirectional drive wheel disc

Info

Publication number: CN201461791U
Application number: CN2009201030174U
Authority: CN
Inventors: 马晓刚; 马志刚; 马玉红; 郑颜平
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-06-01
Filing date: 2009-06-01
Publication date: 2010-05-12
Anticipated expiration: 2019-06-01

Abstract

The utility model discloses a bidirectional drive wheel disc, which includes an inner gear ring, an outer gear ring, a left barrier plate, a right barrier plate, a ball, a check pawl mounted outside one side barrier plate, and steering wheels mounted on the left and the right barrier plates, wherein teeth of the steering wheels are respectively meshed with teeth of the inner and the outer gear rings, and a ratchet wheel mechanism and a bearing mechanism are arranged between the left and the right barrier plates and the inner and the outer gear rings. The utility model can be used on a bicycle, a tricycle, a moped for disabled people and the like, solve the problem of one-way riding, and enable people to travel forwards no matter pedaling the bicycle in the forward direction or the reserve direction, therefore a rider can change riding posture at any time to feel more comfortable in riding, the riding fatigue is dissipated, the speed can be changed, and the body-building effect similar to walking backwards can be generated. The utility model also can be applied to other machines needing the wheel disc to rotate in only one direction during forward/backward bidirectional driving, and has the advantages of simple structure, convenient manufacture, wide application, and strong substitutability.

Description

A kind of bi-directional driving rotary table

Technical field:

The utility model relates to a kind of bi-directional driving rotary table, is applicable on the machine of bicycle, tricycle, handicapped people's arm force vehicle and the equal one-way rotation of the positive and negative bi-directional driving rotary table of needs.

Background technique:

Bicycle freewheel is main composition parts of bicycle, by two important mechanism---rolling bearing and click are formed.Rolling bearing generally is made up of following four kinds of primary elements: inner ring, outer ring, retainer and rolling element, axle that will turn round and the sliding friction between the axle bed become rolling friction, thereby reduce friction loss.A kind of unidirectional intermittent motion mechanism that ratchet and pawl arrangement is made up of ratchet and pawl.

Planetary wheeling mechanism is made up of sun gear, planet carrier, ring gear, planet wheel.Be distributed with a plurality of planet wheel shafts on the planet carrier with one heart, each planet wheel is placed in respectively on separately the planet wheel shaft, and each planet wheel can be meshed with sun gear, can be meshed with ring gear again.Because planetary wheeling mechanism has advantages such as compact structure, stable drive, diverse in function, and is widely used.

People's bicycle used in everyday, tricycle and handicapped people's arm force vehicle, its dynamic structure mainly is a chain wheel driving mechanism, no matter be main rotary table, or driven flywheel, all can only rotate, come driving wheel to advance to a direction, tired easily in the time of so by bike, can cause by bike for a long time ache all over unable, physical disfigurement and discomfort.

Summary of the invention:

The utility model is a kind of modular appliance that is similar to bicycle freewheel and has planetary wheeling mechanism simultaneously, and the technical problem of solution provides a kind of easily manufactured, the simple in structure wheel disc that can realize bi-directional drive.

For achieving the above object, technical solution adopted in the utility model is:

A kind of bi-directional driving rotary table, comprise ring gear, external toothing, left side catch, right catch, a plurality of steering wheel shafts that are connected in left and right sides catch, be installed on the deflecting roller on the steering wheel shaft, be installed on the side stop piece outside and constitute the sour jujube tooth of check device with the ratchet hook, and a plurality of balls, it is characterized in that: a cover bearing structure is respectively arranged inside and outside about wheel disc, and have by the teeth of deflecting roller be meshed with the teeth of the teeth of ring gear and external toothing respectively the planetary wheeling mechanism that constitutes and by the sour jujube tooth on the ring gear and the sour jujube tooth on the external toothing respectively with catch on the ratchet structure that constitutes of ratchet.

Above-mentioned deflecting roller can be the gear that is formed by fixedly connecting by the different big small gear of radius.

Described non-return sour jujube tooth is installed on the left catch outside and constitutes check device with the non-return hook.

Described non-return sour jujube tooth is installed on the right catch outside and constitutes check device with the non-return hook.

Described non-return projection is installed on the side stop piece outside.

The utility model has the advantages that: simple in structure, easily manufactured, the equal one-way rotation of driven wheel disc during the positive and negative bi-directional drive of driving wheel, purposes is very extensive, and parts are independent, and replacement property is extremely strong.

Description of drawings:

Non-return sour jujube tooth is installed on the structural representation in the right catch outside on Fig. 1 the utility model;

Non-return sour jujube tooth is installed on the structural representation in the left catch outside on Fig. 2 the utility model;

Fig. 3 a kind of reverse direction actuation structural representation of the present utility model;

Fig. 4 a kind of positive direction actuation structural representation of the present utility model;

A kind of check device structural representation on Fig. 5 the utility model;

A kind of simple check device structural representation on Fig. 6 the utility model;

Wherein: 1, ring gear, 2, external toothing, 3, left catch, 4, right catch, 5, deflecting roller, 6, steering wheel shaft, 7, non-return sour jujube tooth, 8, the sour jujube tooth, 9, the sour jujube tooth, 10, teeth, 11, teeth, 12, external tooth, 13, ball, 14, the non-return hook, 15, non-return hook axle, 16, the non-return projection.

Embodiment:

As shown in Figure 1, respectively there is the very smooth alley of a circle in two outsides of ring gear 1, be respectively ratchet shape and gear shape between two alleys, two inboards of external toothing 2 also respectively have the very smooth alley of a circle, be respectively ratchet shape and gear shape between two alleys, the outside of external toothing is a gear shape, the alley of interior external toothing both sides adds that ball 13 constitutes rolling bearing structure with left and right sides catch respectively, be provided with deflecting roller 5 between the catch of the left and right sides and it be connected respectively with left and right sides catch by steering wheel shaft 6, between deflecting roller 5 and the steering wheel shaft 6 and be provided with bearing structure, a side relative with interior external toothing sour jujube tooth respectively on left catch is a ratchet, and cooperate respectively and constitute ratchet and pawl arrangement as shown in Figure 4 with sour jujube tooth on the interior external toothing, external tooth on the deflecting roller 5 is meshed with the teeth 11 of the teeth 10 of ring gear 1 and external toothing 2 respectively and forms planetary wheeling mechanism as shown in Figure 3, there is the non-return ratchet in the outside of right catch, the non-return sour jujube tooth 7 on the non-return ratchet be connected the composition non-return mechanism as shown in Figure 5 that matches with non-return hook 14 on the bicycle frame by non-return hook axle 15.

Working principle: when ring gear 1 is main power wheel forward (counterclockwise) rotation, ring gear 1 drives left catch 3 by the ratchet mechanism of the sour jujube tooth 8 of ratchet portions and the ratchet formation on the left catch as shown in Figure 4, left side washer 3 is driven when rotating, the ratchet of left side washer 3 and the sour jujube tooth on the external toothing 29 constitute ratchet mechanism and drive external toothing 2 rotations, be that external toothing 2 rotates in the same way with ring gear 1, when ring gear 1 reverse (clockwise) rotates, ring gear 1 is by the teeth 10 of gear parts and the teeth interlock of deflecting roller 5 as shown in Figure 3, drive deflecting roller 5 and rotate (deflecting roller 5 sense of rotation are opposite with ring gear), simultaneously, teeth 11 interlocks of the teeth of deflecting roller 5 and external toothing 2, since non-return ratchet on right catch 4 outsides with is connected the composition non-return mechanism as shown in Figure 5 that matches with non-return hook 14 on the bicycle frame by non-return hook axle 15 and has stoped right catch 4 reverses, the right catch 4 relative frames that play the capable frame effect of star are static, 5 of deflecting rollers drive external toothing 2 and rotate (the external toothing sense of rotation is identical with deflecting roller 5 directions), thereby make external toothing 2 sense of rotation and ring gear 1 reverse, when realizing forward and reverse driving, external toothing rotates to same direction all the time; External toothing is that the mechanism of main power wheel when being the main power wheel rotation with ring gear when rotating is identical, the equal one-way rotation of ring gear.

Working principle when the working principle when non-return sour jujube tooth as shown in Figure 2 is installed on the left catch outside is installed on the right catch outside with non-return sour jujube tooth as shown in Figure 1 is identical, and non-return sour jujube tooth also can be made single or multiple non-return projections 16 as shown in Figure 6 and can make arbitrary shape.

The above-mentioned deflecting roller of mentioning 5 can also be by fixedly connected the making of big small gear that radius is different, internal tooth 11 on its gearwheel and the

external toothing

2 or 10 engagements of the external tooth on the ring gear 1, then external tooth 10 on small gear and the

ring gear

1 or 11 engagements of the internal tooth on the external toothing 2, change the speed ratio of ring gear 1 and external toothing 2, be used for different demand occasions; All ratchet and pawl arrangements of mentioning can replace to the identical any ratchet mechanism of effect, and for example: sour jujube tooth 8 replaces with ratchet, and the ratchet that matches with sour jujube tooth 8 replaces with the sour jujube tooth.

Claims

1. bi-directional driving rotary table, comprise ring gear (1), external toothing (2), left side catch (3), right catch (4), be connected in the steering wheel shaft (6) of left and right sides catch, be installed on the deflecting roller (5) on the steering wheel shaft (6), be installed on the side stop piece outside and constitute the non-return sour jujube tooth (7) of check device with non-return hook (14), ball (13), it is characterized in that: a cover bearing structure is respectively arranged inside and outside about wheel disc, and have by the teeth of deflecting roller (5) respectively with the teeth (11) of the teeth (10) of ring gear (1) and external toothing (2) mutually the planetary wheeling mechanism that constitutes of interlock and by the sour jujube tooth (8) on the ring gear (1) and the sour jujube tooth (9) on the external toothing (2) respectively with catch on the ratchet structure that constitutes of ratchet.

2. a kind of bi-directional driving rotary table according to claim 1 is characterized in that described deflecting roller (5) can be the gear that is formed by fixedly connecting by the different big small gear of radius.

3. a kind of bi-directional driving rotary table according to claim 1 is characterized in that being provided with bearing structure between deflecting roller (5) and the steering wheel shaft (6).

4. a kind of bi-directional driving rotary table according to claim 1 is characterized in that non-return sour jujube tooth (7) is installed on left catch (3) outside and constitutes check device with non-return hook (14).

5. a kind of bi-directional driving rotary table according to claim 1 is characterized in that non-return sour jujube tooth (7) is installed on right catch (4) outside and constitutes check device with non-return hook (14).

6. a kind of bi-directional driving rotary table according to claim 1 is characterized in that non-return projection (16) is installed on the side stop piece outside and constitutes check device with non-return hook (14).