CN201538414U

CN201538414U - Drive wheel disc

Info

Publication number: CN201538414U
Application number: CN2009201033473U
Authority: CN
Inventors: 马晓刚; 马志刚; 马玉红; 郑颜平
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-06-19
Filing date: 2009-06-19
Publication date: 2010-08-04
Anticipated expiration: 2019-06-19

Abstract

The utility model relates to a drive wheel disc. The wheel disc comprises an inner gear ring, an outer gear ring, a left baffle, a right baffle, a steering wheel, check ratchets, pawls and balls. The steering wheel is made by fixedly connecting a gear wheel and a pinion which are concentric but have different outer diameters. The teeth of the steering wheel are respectively meshed with the teeth of the inner and the outer gear rings. The check ratchets arranged on the outer sides of the baffles form a check device with a check hook. The pawls, the balls and the inner and the outer gear rings form a ratchet mechanism. The utility model is characterized in that the wheel disc is a combined device which is similar to a planet wheel mechanism and is simultaneously provided with one ratchet mechanism and one bearing mechanism. The wheel disc can be used for bicycles, tricycles, handicapped arm-powered vehicles, etc, and solve the problem that the original drive wheel disc can only drive in one direction. Riders can change riding postures at any time, riding fatigue is eliminated, and the body-building effect similar to backward walking is produced. The wheel disc can also be used for machines of which the wheel discs are rotated in one direction when positive and negative bi-directional driving is required. The utility model has the advantages of simple structure, convenient manufacture, broad usages and high exchangeable properties.

Description

A kind of driving wheel disc

Technical field:

The utility model relates to a kind of driving wheel disc, is applicable to ordinary bicycle, variable speed bicycle, on the machine of manual tricycle, disabled person's arm force vehicle and the equal unidirectional rotation of the positive and negative bi-directional driving rotary table of needs.

Background technology:

Planetary wheeling mechanism is made up of sun wheel, pinion carrier, internally toothed annulus, satellite gear.Be distributed with a plurality of planet wheel spindles on the pinion carrier with one heart, each satellite gear is placed in respectively on separately the planet wheel spindle, and each satellite gear can be meshed with sun wheel, can be meshed with internally toothed annulus again.Because planetary wheeling mechanism has advantages such as compact conformation, stable drive, diverse in function, and is widely used.

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

At present bi-directional drive bicycle quantity is few, and two-way bicycle freewheel has on the market simply used the satellite gear principle, and reverse drive is required great effort when causing back-pedal than big of the speed of forward drive especially, and is extremely impracticable.

Summary of the invention:

The utility model is a kind ofly to be similar to bicycle freewheel and to have the planetary wheeling mechanism of the wheel flutter that is fixed into by large and small gear combination simultaneously, and the technical matters of solution provides a kind of easily manufactured, simple in structure and can realize the wheel disc that positive and negative bi-directional drive speed is equal.

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

A kind of driving wheel disc, comprise internally toothed annulus, 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 and captive joint the wheel flutter made from miniature gears by concentric and big gear wheel various outer diameter on the steering wheel shaft, be installed on the left catch outside or be installed on the right catch outside and constitute the non-return sour jujube tooth of check device with the non-return hook, and a plurality of balls, it is characterized in that: a cover bearing arrangement is respectively arranged inside and outside about the driving wheel disc, and the planetary wheeling mechanism that is made of wheel flutter and interior external toothing is arranged, and the ratchet and pawl arrangement that is provided with between interior external toothing and left and right sides catch.

Above-mentioned wheel flutter can be a plurality of various outer diameter and the identical gears of shape with one heart.

Be provided with bearing arrangement between described wheel flutter and the steering wheel shaft and also can be provided with bearing arrangement at steering wheel shaft and left and right catch joint.

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

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

Described non-return projection substitutes the check device that non-return sour jujube tooth comes and the non-return hook constitutes.

Ratchet on the catch of the described left and right sides and interior external toothing sour jujube tooth constitute ratchet and pawl arrangement.

Ratchet on the catch of the described left and right sides and interior external toothing teeth constitute ratchet and pawl arrangement.

The utility model has the advantages that: simple in structure, easily manufactured, the equal unidirectional rotation of driven wheel disc during the positive and negative bi-directional drive of driving wheel, and the speed of positive and negative bi-directional drive can equate that 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 drive structural representation of the present utility model;

Fig. 4 a kind of forward drive 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;

External toothing teeth ratchet direct and on the catch of the left and right sides matches and forms the structural representation of ratchet device in Fig. 7 the utility model;

Wherein: 1, internally toothed annulus, 2, external toothing, 3, left catch, 4, right catch, 5, big gear wheel, 6, miniature gears, 7, steering wheel shaft, 8, the internally toothed annulus teeth, 9, external toothing sour jujube tooth, 10, internally toothed annulus sour jujube tooth, 11, the external toothing teeth, 12, external tooth, 13, ball, 14, the non-return projection, 15, non-return hook axle, 16, non-return hook, 17, non-return sour jujube tooth.

The specific embodiment:

As shown in Figure 1, respectively there is the very smooth alley of a circle in two outsides of internally toothed annulus 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 gear shape and ratchet shape between two alleys, the outside of external toothing is provided with external tooth 12, 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 between the catch of the left and right sides by concentric and big gear wheel 5 various outer diameter captive joint with miniature gears 6 wheel flutter made and by steering wheel shaft 7 make its respectively with a left side, right catch is connected, between wheel flutter and the steering wheel shaft 7 and be provided with bearing arrangement, a side relative with external toothing sour jujube tooth 9 and internally toothed annulus sour jujube tooth 10 on the catch of the left and right sides is provided with ratchet, the ratchet that external toothing sour jujube tooth 9 is relative with it respectively with internally toothed annulus sour jujube tooth 10 matches and constitutes ratchet and pawl arrangement as shown in Figure 4, the teeth of miniature gears 6 are meshed with internally toothed annulus teeth 8 on the wheel flutter as shown in Figure 3, the teeth of big gear wheel 5 are meshed with external toothing teeth 11 on the wheel flutter, there is the non-return ratchet in the outside of right catch, the non-return sour jujube tooth 17 on the non-return ratchet be connected in non-return hook 16 on the bicycle rack composition non-return mechanism as shown in Figure 5 that matches by non-return hook axle 15.

Principle of work: when internally toothed annulus 1 is main power wheel forward (conter clockwise) rotation, internally toothed annulus 1 drives catch by the ratchet device of the internally toothed annulus sour jujube tooth 10 of ratchet portions and the ratchet formation on the catch as shown in Figure 4, catch is driven when rotating, ratchet relative with external toothing sour jujube tooth 9 and external toothing sour jujube tooth 9 constitute ratchet devices and drive external toothings 2 and rotate on the catch, be that external toothing 2 rotates in the same way with internally toothed annulus 1, when internally toothed annulus 1 reverse (cw) rotates, teeth interlock on the miniature gears 6 of the internally toothed annulus 1 internally toothed annulus teeth 8 by gear parts and wheel flutter as shown in Figure 3, drive wheel flutter and rotate (the wheel flutter rotation direction is opposite with internally toothed annulus 1), miniature gears 6 is fixed with each other with big gear wheel 5, when miniature gears 6 rotates, big gear wheel 5 also is driven (rotation direction of big gear wheel 5 is identical with the direction of miniature gears 6), external toothing teeth 11 interlocks of the teeth of big gear wheel 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 16 on the bicycle rack by non-return hook axle 15 and has stoped right catch 4 reverses, play the left side of the capable frame effect of star, right catch relative proper motion vehicle frame is static, 5 of big gear wheels drive external toothing 2 and rotate (the external toothing rotation direction is identical with big gear wheel 5 directions), thereby make external toothing 2 rotation directions and internally toothed annulus 1 reverse, when realizing forward and reverse driving, external toothing rotates to same direction all the time, and can obtain same rate mutually with appropriate big gear wheel 5 with the radius ratio external toothing of miniature gears 6; Principle when external toothing rotates as main power wheel is identical as the principle that main power wheel rotates with internally toothed annulus, the equal unidirectional rotation of internally toothed annulus.

Principle of work when the principle of work 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, non-return sour jujube tooth also can be made single or multiple non-return projections 14 as shown in Figure 6 and can make arbitrary shape, can also make the detent of non-return groove fit respective shapes and form check device.

External toothing sour jujube tooth was directly identical with principle of work and the interior external toothing sour jujube tooth principle of work when ratchet on the catch of the left and right sides matches the composition ratchet device that matches when forming ratchet device of ratchet on the catch of the left and right sides in teeth replaced on the interior external toothing as shown in Figure 7, had just saved accordingly interior external toothing sour jujube tooth part.

External tooth 12 on the above-mentioned external toothing of mentioning 1 can be the different gear ring of multilayer radius, and for example the multilayer external tooth of variable speed bicycle pedal roulette is used for different demand occasions; All ratchet and pawl arrangements of mentioning can also can be many groups and can replace to the identical arbitrary shape ratchet devices of effect for one group.

Claims

1. driving wheel disc, comprise internally toothed annulus (1), external toothing (2), left side catch (3), right catch (4), be connected in the steering wheel shaft (7) of left and right sides catch, be installed on and captive joint the wheel flutter made from miniature gears (6) by concentric and big gear wheel (5) various outer diameter on the steering wheel shaft (7), be installed on left catch (3) outside or be installed on right catch (4) outside and constitute the non-return sour jujube tooth (17) of check device with non-return hook (16), ball (13), it is characterized in that: a cover bearing arrangement is respectively arranged inside and outside about the driving wheel disc, and the planetary wheeling mechanism that is made of wheel flutter and interior external toothing is arranged, and the ratchet and pawl arrangement that is provided with between interior external toothing and left and right sides catch.

2. a kind of bi-directional driving rotary table according to claim 1 is characterized in that described wheel flutter can be a plurality of various outer diameter and the identical gears of shape with one heart.

3. a kind of bi-directional driving rotary table according to claim 1 is characterized in that being provided with bearing arrangement between wheel flutter and the steering wheel shaft (7), also can be provided with bearing arrangement at steering wheel shaft (7) and left and right catch joint.

4. a kind of bi-directional driving rotary table according to claim 1 is characterized in that the check device that non-return sour jujube tooth (17) is installed on left catch (3) outside and constitutes with non-return hook (16).

5. a kind of bi-directional driving rotary table according to claim 1 is characterized in that the check device that non-return sour jujube tooth (17) is installed on right catch (4) outside and constitutes with non-return hook (16).

6. a kind of bi-directional driving rotary table according to claim 1 is characterized in that and can substitute the check device that non-return sour jujube tooth (17) comes and non-return hook (16) constitutes with non-return projection (14).

7. a kind of bi-directional driving rotary table according to claim 1 is characterized in that ratchet and the sour jujube tooth on the interior external toothing on the catch of the left and right sides constitutes ratchet and pawl arrangement.

8. a kind of bi-directional driving rotary table according to claim 1 is characterized in that ratchet and the teeth on the interior external toothing on the catch of the left and right sides constitute ratchet and pawl arrangement.