TWM536202U - Timing flywheel - Google Patents

Description

Time gauge flywheel

The present invention relates to a bicycle component, and more particularly to a timing flywheel applied to a bicycle gear set.

The traditional bicycle is usually equipped with a flower wheel of a flywheel on the rear wheel, and the chain is driven to rotate the flywheel to drive the rear wheel to rotate in one direction, and then there are several bicycles that drive the flywheel with a belt, which is convenient for riding in the city. Compared with the structure of the flywheel driven by the belt, the existing flywheel structure driven by the belt has a large area occupied by the bicycle, which causes the majority of users to have low intention to use.

Therefore, the purpose of the present invention is to reduce the area occupied by the flywheel in the bicycle, and to make the area occupied by the conventional sprocket flywheel in the bicycle similar, thereby increasing the user's willingness to use and further increasing the market share.

In order to achieve the above object, the present invention provides a timing flywheel comprising a first outer casing, a second outer casing, an inner casing, an elastic member, a first rolling body, a second rolling body, a washer and a tooth cover.

The first outer casing includes an outer timing wheel, and the outer timing wheel is disposed at one end of the first outer casing.

The second outer casing is connected to the inner ring of the first outer casing, the second outer casing includes an inner pawl wheel portion, a first abutting groove and a second abutting groove, and the inner pawl wheel portion is disposed in the second outer casing In the middle portion of the torus, the first abutting groove and the second abutting groove are respectively opposite ends of the inner annular surface of the second outer casing, and are disposed at two sides of the inner pawl wheel portion.

The inner casing is disposed in the second casing, the inner casing includes an internal thread, a first rolling groove, a protrusion and a plurality of tooth pawls, and the internal thread is disposed at one end of the inner ring surface of the inner casing, The internal thread is disposed adjacent to the second outer casing at a first abutting groove, and the first rolling groove is disposed at one end of the outer annular surface of the inner casing, and is opposite to the first abutting groove of the second outer casing, wherein the convex portion is disposed at the opposite end An outer annular surface of the inner casing is adjacent to the first rolling groove, the convex block includes a receiving groove and a plurality of detent grooves, and the receiving groove is annularly recessed on the outer edge of the protruding block. The plurality of pawl grooves are equally spaced on the bump, and the plurality of tooth pawls and the plurality of pawl grooves correspond to each other, and the plurality of tooth pawls are respectively rotatably disposed on Corresponding in each of the pawl slots, and the plurality of tooth pawls correspond to the inner pawl wheel portion of the second outer casing.

The elastic member is annularly disposed on the plurality of tooth pawls, and the remaining segments of the elastic member are disposed in the receiving slots of the protruding block.

The first rolling system is rotatably disposed on the first rolling groove and the first abutting groove; the second rolling system is rotatably disposed on the second abutting groove.

The washer is placed on an outer annular surface of the inner casing, and one side of the washer is disposed at a joint of the second abutting groove and the inner pawl wheel portion.

The inverted cover is disposed between the second housing and the inner casing, and the inner annular surface of the inverted cover is combined with the other end of the outer ring surface of the first rolling groove of the inner casing, and can be screwed and coupled The inverting cover abuts against the washer against one end of the inner casing, the inverting cover includes a second rolling groove, and the second rolling groove is disposed outside the toric cover adjacent to the washer The position of the second rolling groove corresponds to the position of the second abutting groove.

In the timing flywheel, the inner ring of the first outer casing is integrally connected with the second outer casing.

In the timing flywheel, the first outer casing further includes a baffle, and the baffle is annularly protruded from an outer annular surface of one end of the first outer casing.

In the timing flywheel, the inner casing further includes a plurality of card slots, and the plurality of card slots are annularly recessed in the inner casing and one end of the first rolling groove is not disposed.

In the timing flywheel, the radius of the center position of the outer timing wheel is equivalent to a radius of 1.4 to 1.53 times the same central position of the inner hole to the outer timing wheel of the inner casing.

In the timing flywheel, the washer group further includes a first washer and a second washer, and one of the first washers is disposed at a side of the second abutment and the inner pawl wheel; One side of the second Huashi is located on the other side of the first Huasi.

By the above means, the novel can achieve the effect of miniaturizing the timing flywheel, thereby increasing the user's willingness to use and further increasing the market share.

In order to clarify the novel features, and can be implemented according to the embodiments of the specification, the following is further illustrated in the following figure:

The first preferred embodiment of the present invention is shown in FIG. 1 to FIG. 5, which includes a first outer casing 10, a second outer casing 20, an inner casing 30, an elastic member 40, and a first The rolling body 50, a second rolling body 60, a washer group 70 and a tooth cover 80 are provided.

The first outer casing 10 includes an outer timing wheel 12 and a baffle 14 . The outer timing wheel 12 is located at one end of the first outer casing 10 . The baffle 14 is annularly protruded from the other end of the first outer casing 10 . .

The second outer casing 20 is connected to the inner ring of the first outer casing 10. The second outer casing 20 includes an inner ratchet wheel portion 22, a first abutting groove 24 and a second abutting groove 26. The inner pawl wheel portion 22 is provided. The first abutting groove 24 and the second abutting groove 26 are respectively located at two ends of the inner annular surface of the second outer casing 20, and are disposed on the inner detent wheel portion 22 in the middle portion of the inner annular surface of the second outer casing 20. On the side, the inner pawl wheel portion 22 has a plurality of ratchet teeth. Preferably, the ratchet teeth of the inner pawl wheel portion 22 can be 21 teeth.

The inner casing 30 is disposed in the second outer casing 20, and the inner casing 30 includes an internal thread 32, a first rolling groove 34, a protrusion 36, a plurality of tooth pawls 38 and a plurality of card slots 39. The thread 32 is disposed at one end of the inner surface of the inner casing 30. The internal thread 32 is disposed adjacent to the second outer casing 20 at the first abutment groove 24. The distance from the inner edge of the outer timing wheel 12 to the center is the first radius. R1, the distance from the inner side of the screw hole 32 in the inner casing 30 to the outer center wheel 12 is the second radius R2, and the first radius R1 is equivalent to the second radius R2, which may be 1.4 to 1.53 times, the first The rolling groove 34 is disposed at one end of the outer annular surface of the inner casing 30, and is opposite to the first abutting groove 24 of the second outer casing 20. The convex block 36 is disposed on the outer annular surface of the inner casing 30. Adjacent to the first rolling groove 34, the protruding block 36 includes a receiving groove 362 and a plurality of pawl grooves 364. The receiving groove 362 is annularly recessed on the outer edge of the protruding block 36. The claw grooves 364 are equally spaced and annularly recessed on the protrusions 36. The plurality of tooth pawls 38 and the plurality of pawl grooves 364 are corresponding to each other, and the plurality of tooth pawls 38 are respectively rotatable The plurality of claws 38 are disposed in the corresponding pawl slots 364, and the plurality of latching pawls 38 correspond to the inner pawl wheel portions 22 of the second outer casing 20. The plurality of latching slots 39 are annularly recessed in the inner casing 30. One end of the first rolling groove 34 is provided, and the plurality of card slots 39 can be arranged at equal intervals in a ring shape.

The elastic member 40 is annularly disposed on the plurality of toothed pawls 38, and the remaining segments of the elastic member 40 are disposed in the receiving slots 362 of the protruding block 36. The elastic member 40 can be a C-shaped square spring.

The first rolling body 50 is rotatably disposed on the first rolling groove 34 and the first abutting groove 24, which may be a ball or a roller.

The second rolling body 60 is rotatably disposed on the second abutting groove 26, which may be a ball or a roller.

The first group 72 includes a first washer 72 and a second washer 74. One side of the first washer 72 is disposed at a junction of the second abutment 26 and the inner pawl wheel portion 22; One side of the second Huashi 74 is located on the other side of the first Huasi 72.

The inverting cover 80 is disposed between the second housing 20 and the inner casing 30. The inner end surface of the incisor cover 80 and the outer end of the inner casing 30 are provided with the other end of the first rolling groove 34. In combination, the indentation cover 80 can be coupled to the washer 70 toward one end of the inner casing 30. The incisor cover 80 includes a second rolling groove 82, and the second rolling groove 82 is disposed on the bottom. The tooth cover 30 is adjacent to the outer ring surface opposite to the washer 70. The position of the second rolling groove 82 corresponds to the position of the second abutting groove 26, and the second rolling groove 82 and the second abutting groove 26 are accommodated. The second rolling body 60.

The present invention can effectively reduce the area occupied by the timing flywheel in the bicycle by the above-mentioned structural configuration, thereby increasing the user's willingness to use and increasing the market share.

The second preferred embodiment of the present invention is described with reference to FIG. 2, FIG. 6, and FIG. 7, which is different from the first embodiment in that the first outer casing 10 and the second outer casing 20 are integrally connected at this time. The outer casing 90 is configured to further reduce the number of components and reduce the manufacturing cost of the timing flywheel.

10‧‧‧ first shell
12‧‧‧ outside time wheel
14‧‧‧Baffle
20‧‧‧ second casing
22‧‧‧Inner pawl wheel
24‧‧‧First arrival
26‧‧‧Second Arrival
30‧‧‧ inner shell
32‧‧‧ internal thread
34‧‧‧First rolling groove
36‧‧‧Bumps
362‧‧‧ accommodating slots
364‧‧‧ pawl groove
38‧‧‧ teeth paw
39‧‧‧ card slot
40‧‧‧Flexible parts
50‧‧‧First rolling element
60‧‧‧Second rolling element
70‧‧‧华司组
72‧‧‧First China
74‧‧‧ Second Huasi
80‧‧‧ inverted cover
82‧‧‧Second rolling groove
90‧‧‧Time shell
R1‧‧‧ first radius
R2‧‧‧ second radius

Figure 1 is a perspective view of the first preferred embodiment of the present invention. Figure 2 is a perspective, cross-sectional view of the first preferred embodiment of the present invention. Figure 3 is a cross-sectional side view of the first preferred embodiment of the present invention. Figure 4 is an exploded perspective view of the first preferred embodiment of the present invention. Figure 5 is a cross-sectional side view of the first preferred embodiment of the present invention taken along line A-A of Figure 3; Figure 6 is a cross-sectional side view of the first preferred embodiment of the present invention. Figure 7 is an exploded perspective view of a second preferred embodiment of the present invention.

10‧‧‧ first shell

12‧‧‧ outside time wheel

14‧‧‧Baffle

30‧‧‧ inner shell

32‧‧‧ internal thread

80‧‧‧ inverted cover

Claims (11)

A time-regulating flywheel comprising a first outer casing, a second outer casing, an inner casing, an elastic member, a first rolling body, a second rolling body, a washer group and a tooth cover; the first The outer casing includes an outer timing wheel, the outer timing wheel is disposed at one end of the first outer casing; the second outer casing is coupled to the inner ring of the first outer casing, the second outer casing includes an inner pawl wheel portion, first Abutting groove and a second abutting groove, the inner pawl wheel portion is disposed at an intermediate portion of the inner annular surface of the second outer casing, and the first abutting groove and the second abutting groove respectively have opposite ends of the inner annular surface of the second outer casing, And disposed on the two sides of the inner pawl wheel; the inner casing is disposed in the second casing, the inner casing includes an internal thread, a first rolling groove, a protrusion and a plurality of tooth pawls, the internal thread Provided at one end of the inner annular surface of the inner casing, the internal thread is disposed adjacent to the second outer casing at a first abutting groove, the first rolling groove is disposed at one end of the inner annular outer ring surface, and the second outer casing first The abutting groove is in a relative position, and the protrusion is disposed on the outer ring surface of the inner casing, the convex block is adjacent to the first rolling groove, and the convex block comprises a receiving groove and a plurality of pawl slots, the receiving slot is annularly recessed on the outer edge of the bump, and the plurality of pawl slots are equally spaced on the bump, the plurality of tooth pawls and the plurality The plurality of tooth pawls are respectively rotatably disposed in the corresponding pawl grooves, and the plurality of tooth pawls correspond to the inner pawl wheel portions of the second outer casing; The elastic member is annularly disposed on the plurality of toothed pawls, and the remaining segments of the elastic member are disposed in the receiving slots of the protruding block; the first rolling system is rotatably disposed on the first rolling groove and the a first abutting groove; the second rolling system is rotatably disposed on the second abutting groove; the washer group is disposed on an outer annular surface of the inner casing, and one side of the washer group is disposed on the second abutting groove a joint with the inner pawl wheel portion; and the inverted tooth cover is disposed between the second casing and the inner casing, wherein the inner ring surface of the inverted tooth cover and the outer ring surface of the inner casing are first The other end of the rolling groove is coupled to be threadedly coupled, and the inverted cover abuts against the washer against one end of the inner casing, and the inverted cover includes a second roll Slot, the second groove provided in the rolling The inverting cover is adjacent to the outer ring surface opposite to the washer, and the position of the second rolling groove corresponds to the position of the second abutting groove. The timing flywheel according to claim 1, wherein the inner ring of the first outer casing is integrally connected with the second outer casing. The first outer casing further includes a baffle, and the baffle is annularly protruded from the other end of the first outer casing. The oscillating flywheel of claim 2, the first outer casing further comprising a baffle annularly protruding from the other end of the first outer casing. The inner flywheel according to any one of claims 1 to 4, further comprising a plurality of card slots, wherein the plurality of card slots are annularly recessed in the inner casing and one end of the first rolling groove is not provided. The timing flywheel according to any one of claims 1 to 4, wherein the distance from the inner edge of the outer timing wheel to the center position is a first radius, and the distance from the inner side of the inner hole of the inner casing to the same central position of the outer timing wheel For the second radius, the first radius corresponds to 1.4 to 1.53 times the second radius. The distance gauge flywheel according to claim 5, wherein the distance from the inner edge of the outer timing wheel to the center position is a first radius, and the distance from the inner side of the inner hole of the inner casing to the same central position of the outer timing wheel is a second radius. The first radius corresponds to 1.4 to 1.53 times the second radius. The timing flywheel according to any one of claims 1 to 4, wherein the Chinese group further comprises a first washer and a second washer, one side of the first washer being disposed on the second abutment The inner pawl wheel portion is connected; one side of the second washer is disposed on the other side of the first washer. The timing flywheel according to claim 5, wherein the washer group further includes a first washer and a second washer, and one of the first washers is disposed on the second abutment and the inner pawl wheel a joint portion; one side of the second washer is disposed on the other side of the first washer. The timing flywheel according to claim 6, wherein the washer group further includes a first washer and a second washer, and one of the first washers is disposed on the second abutment and the inner pawl wheel a joint portion; one side of the second washer is disposed on the other side of the first washer. The timing flywheel according to claim 7, wherein the washer group further includes a first washer and a second washer, and one of the first washers is disposed on the second abutment and the inner pawl wheel a joint portion; one side of the second washer is disposed on the other side of the first washer.