CN219056506U

CN219056506U - Synchronous wheel with anti-jumping tooth function for bicycle

Info

Publication number: CN219056506U
Application number: CN202223505885.XU
Authority: CN
Inventors: 王春涛
Original assignee: Suzhou Nuojima Metal Products Co ltd
Current assignee: Suzhou Nuojima Metal Products Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-05-23
Anticipated expiration: 2032-12-27

Abstract

The utility model relates to the field of production and manufacturing of synchronous wheels, and discloses a synchronous wheel with a tooth jump prevention function for a bicycle, which comprises a synchronous wheel main body, wherein threaded holes are formed in four corners of the synchronous wheel main body, limiting plates are fixedly connected to two sides of the synchronous wheel main body, through holes are formed in the middle of the synchronous wheel main body, limiting grooves are formed in four corners of the inner side wall of each through hole, fixing blocks are slidably connected in the through holes, mounting grooves are formed in four corners of the inner side of each fixing block, springs are arranged in the mounting grooves, telescopic rods are arranged in the springs, and one end of each telescopic rod is fixedly connected with a limiting block.

Description

Synchronous wheel with anti-jumping tooth function for bicycle

Technical Field

The utility model relates to the field of synchronous wheel production and manufacturing, in particular to a synchronous wheel with a tooth jump preventing function for a bicycle.

Background

The bicycle is characterized in that the bicycle takes a pedal plate which is stepped by a person as power to continuously move forwards, the bicycle is originally started in the early-to-near longevity, modern bicycles are slowly popularized in China after modern days, the bicycle is generally made of materials such as steel, aluminum alloy, cast iron, brass and the like, an inner hole of the bicycle is provided with a round hole, a D-shaped hole, a conical hole and the like, the synchronous wheel is driven by a closed annular adhesive tape with equidistant teeth on the inner peripheral surface and a corresponding belt wheel, the synchronous wheel is a more important driving structure on the bicycle, and the synchronous wheel is widely applied to a synchronous wheel with the function of preventing jumping teeth and can prevent a belt from sliding out of the synchronous wheel compared with the traditional synchronous wheel.

When the synchronous wheel with the tooth jump prevention function is fixed on the rotating shaft, due to the lack of the adjusting structure, the synchronous wheel with the tooth jump prevention function is inconvenient to fix the synchronous wheel on the rotating shafts with different diameters, and meanwhile, the tooth jump prevention capacity of the synchronous wheel with the tooth jump prevention function is improved by utilizing the cooperation of the limiting structure.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a synchronous wheel with a tooth jump preventing function for a bicycle.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a synchronizing wheel with prevent jumping tooth function for bicycle, includes the synchronizing wheel main part, threaded hole has all been seted up in synchronizing wheel main part four corners, the equal fixedly connected with limiting plate in both sides, the spout has all been seted up to one side that the limiting plate is close to mutually, spout sliding connection is at two gag lever post both ends respectively, the through-hole has been seted up at synchronizing wheel main part middle part, the spacing groove has all been seted up in through-hole inside wall four corners, the inside sliding connection of through-hole has the fixed block, the mounting groove has all been seted up in the inside four corners of fixed block, the inside spring that all is provided with of mounting groove, the inside telescopic link that all is provided with of spring, telescopic link one end fixedly connected with stopper, the fixed orifices has been seted up to the stopper inside.

As a further description of the above technical solution:

one end of the spring is fixedly connected to the side wall of one side of the mounting groove, and the other end of the spring is fixedly connected to one side, close to the telescopic rod, of the limiting block.

As a further description of the above technical solution:

the outside fixedly connected with a plurality of evenly distributed tooth of synchronizing wheel main part.

As a further description of the above technical solution:

one side of the telescopic rod, which is far away from the limiting block, is fixedly connected with one side wall of the mounting groove.

As a further description of the above technical solution:

the screw holes are arranged at four corners of the outer side of the through hole, and the fixing holes and the screw holes are all arranged in the same transverse axis direction.

As a further description of the above technical solution:

the limiting blocks are all in sliding connection inside the mounting groove.

As a further description of the above technical solution:

and limiting blocks are slidably connected in the limiting grooves.

As a further description of the above technical solution:

the telescopic rods are arranged inside the mounting grooves.

The utility model has the following beneficial effects:

1. according to the utility model, when the main body of the synchronous wheel is required to be fixed on rotating shafts with different sizes, the proper fixed block is fixed on the outer side of the rotating shaft according to the size of the rotating shaft, then the main body of the synchronous wheel is placed on the outer side of the fixed block, and the limiting block is pushed into the limiting groove by utilizing the spring, so that the fixed block and the main body of the synchronous wheel are fixed together.

2. According to the utility model, when the synchronous wheel main body rotates, the limiting plates at two sides are used for limiting the sliding of the belt, and meanwhile, the limiting rods are clamped in the two limiting plates to enable the two limiting plates to slide in the two limiting plates, so that the belt can be arranged in the limiting plates, and the anti-jump tooth capability of the synchronous wheel main body is improved through the cooperation of the limiting rods, the sliding grooves and the limiting plates.

Drawings

FIG. 1 is a front perspective view of a bicycle synchronizing wheel with anti-bouncing function;

FIG. 2 is a schematic diagram showing a front perspective view of a limiting plate of a synchronizing wheel with a tooth jump preventing function for a bicycle according to the present utility model;

fig. 3 is a schematic top perspective sectional structure of a synchronizing wheel body of a synchronizing wheel with a tooth jump preventing function for a bicycle according to the present utility model.

Fig. 4 is an enlarged view at a in fig. 1.

Legend description:

1. a synchronizing wheel body; 2. a fixed block; 3. a limiting plate; 4. teeth; 5. a chute; 6. a limit rod; 7. a limiting block; 8. a limit groove; 9. a fixing hole; 10. a through hole; 11. a mounting groove; 12. a spring; 13. a telescopic rod; 14. and (3) a threaded hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides a synchronizing wheel with prevent jumping tooth function for bicycle, including synchronizing wheel main part 1, screw hole 14 has all been seted up at synchronizing wheel main part 1 four corners, pass screw hole 14 and fixed orifices 9 and screw up the bolt, carry out the secondary to fixed block 2 and synchronizing wheel main part 1 and fix, make the connection between them more firm, both sides fixedly connected with limiting plate 3, utilize limiting plate 3 of both sides to restrict the slip of belt when synchronizing wheel main part 1 rotates, spout 5 has all been seted up to the side that limiting plate 3 is close to, spout 5 sliding connection is at two gag lever post 6 both ends respectively, simultaneously block into gag lever post 6 makes its inside slip at limiting plate 3 inside, make the belt can be in limiting plate 3 inside, through-hole 10 has been seted up at synchronizing wheel main part 1 middle part, limiting groove 8 has all been seted up at through-hole 10 inside wall four corners, utilize spring 12 to push stopper 7 into limiting groove 8 inside, fixing the fixed block 2 and the synchronizing wheel main body 1 together, sliding the fixed block 2 in the through hole 10, utilizing the operation of the fixed block 2 to realize the effect of fixing the synchronizing wheel main body 1 on a rotating shaft, arranging mounting grooves 11 at four corners in the fixed block 2, arranging springs 12 in the mounting grooves 11, pushing the limiting block 7 into the limiting groove 8 by the springs 12, fixing the fixed block 2 and the synchronizing wheel main body 1 together, arranging telescopic rods 13 in the springs 12, utilizing the operation of the telescopic rods 13 to realize the deformation of the springs 12 when the fixed block 2 slides, fixedly connecting the limiting block 7 at one end of the telescopic rods 13, utilizing the cooperation of the limiting grooves 8 and the limiting blocks 7 to realize the effect of connecting the fixed block 2 and the synchronizing wheel main body 1 together, arranging fixing holes 9 in the limiting block 7, threading bolts through the threaded holes 14 and the fixing holes 9 and tightening the bolts, the fixing block 2 and the synchronizing wheel main body 1 are secondarily fixed, so that the connection between the fixing block 2 and the synchronizing wheel main body is firmer.

Spring 12 one end fixed connection is in mounting groove 11 one side lateral wall, spring 12 other end fixed connection is in the one side that stopper 7 is close to telescopic link 13, utilize spring 12 to push into spacing inslot 8 with stopper 7, fix fixed block 2 and synchronizing wheel main part 1 together, a plurality of evenly distributed tooth 4 of synchronizing wheel main part 1 outside fixedly connected with, utilize tooth 4 to increase the frictional force between synchronizing wheel main part 1 and the belt, one side fixed connection that the stopper 7 was kept away from to telescopic link 13 is in mounting groove 11 one side lateral wall, utilize the operation of telescopic link 13 to realize preventing spring 12 and take place deformation when fixed block 2 slides, screw hole 14 sets up in the outside four corners of through-hole 10, fixed orifices 9 and screw hole 14 all set up in same cross axle direction, pass screw hole 14 and fixed orifices 9 and screw bolt tightly, carry out the secondary fixation to fixed block 2 and synchronizing wheel main part 1, make the connection between them more firm, stopper 7 all sliding connection is inside mounting groove 11, utilize spring 12 to push into spacing inslot 8 with stopper 7, fix fixed block 2 and synchronizing wheel main part 1 together, the equal sliding connection in spacing groove 8 has stopper 7, the equal sliding connection is in the inside spacing groove 8, the realization is in the same place at fixed block 2 with the same place at fixed block 1 with the fixed block 2 of telescopic link 13 when the fixed block is realized with the fixed block 1 by the fixed block 1.

Working principle: the transmission belt is put to the outside of the synchronizing wheel main body 1, the belt is meshed with the synchronizing wheel main body 1, the friction force between the synchronizing wheel main body 1 and the belt is increased by utilizing the teeth 4, the synchronizing wheel main body 1 is enabled to rotate, the limiting plates 3 on two sides are utilized to limit the sliding of the belt when the synchronizing wheel main body 1 rotates, meanwhile, the limiting rods 6 are clamped in the two limiting plates 3 to enable the limiting rods to slide inside, the belt can be enabled to improve the tooth jumping prevention capability of the synchronizing wheel main body 1 inside the limiting plates 3 through the cooperation of the limiting rods 6, the sliding grooves 5 and the limiting plates 3, when the synchronizing wheel main body 1 is required to be fixed on rotating shafts of different sizes, the proper fixing blocks 2 are fixed to the outer sides of the rotating shafts according to the sizes of the rotating shafts, the synchronizing wheel main body 1 is put on the outer sides of the fixing blocks 2, the limiting blocks 7 are pushed into the inner portions of the limiting grooves 8 by utilizing the springs 12, the fixing blocks 2 are fixed with the synchronizing wheel main body 1, bolts penetrate through the threaded holes 14 and the fixing holes 9 and are screwed tightly, and the fixing blocks 2 and the synchronizing wheel main body 1 are fixed for the second time, and connection between the fixing blocks 2 and the synchronizing wheel main body 1 is enabled to be firmer.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. Synchronous wheel with prevent jumping tooth function for bicycle, including synchronizing wheel main part (1), its characterized in that: the novel synchronous wheel comprises a synchronous wheel body (1), screw holes (14) are formed in four corners of the synchronous wheel body (1), limiting plates (3) are fixedly connected to two sides of the synchronous wheel body, sliding grooves (5) are formed in one side, close to the limiting plates (3), of the synchronous wheel body, the sliding grooves (5) are respectively connected to two ends of two limiting rods (6) in a sliding mode, through holes (10) are formed in the middle of the synchronous wheel body (1), limiting grooves (8) are formed in four corners of the inner side walls of the through holes (10), fixing blocks (2) are connected in a sliding mode, mounting grooves (11) are formed in four corners of the inner portions of the fixing blocks (2), springs (12) are arranged in the mounting grooves (11), telescopic rods (13) are arranged in the spring (12), limiting blocks (7) are fixedly connected to one ends of the telescopic rods (13), and fixing holes (9) are formed in the limiting blocks (7).

2. The synchronizing wheel with anti-tooth-jump function for a bicycle of claim 1, wherein: one end of the spring (12) is fixedly connected to one side wall of the mounting groove (11), and the other end of the spring (12) is fixedly connected to one side, close to the telescopic rod (13), of the limiting block (7).

3. The synchronizing wheel with anti-tooth-jump function for a bicycle of claim 1, wherein: the outer side of the synchronous wheel main body (1) is fixedly connected with a plurality of teeth (4) which are uniformly distributed.

4. The synchronizing wheel with anti-tooth-jump function for a bicycle of claim 1, wherein: one side of the telescopic rod (13) far away from the limiting block (7) is fixedly connected to one side wall of the mounting groove (11).

5. The synchronizing wheel with anti-tooth-jump function for a bicycle of claim 1, wherein: the threaded holes (14) are arranged at four corners of the outer side of the through hole (10), and the fixing holes (9) and the threaded holes (14) are all arranged in the same transverse axis direction.

6. The synchronizing wheel with anti-tooth-jump function for a bicycle of claim 1, wherein: the limiting blocks (7) are all in sliding connection inside the mounting grooves (11).

7. The synchronizing wheel with anti-tooth-jump function for a bicycle of claim 1, wherein: limiting blocks (7) are slidably connected inside the limiting grooves (8).

8. The synchronizing wheel with anti-tooth-jump function for a bicycle of claim 1, wherein: the telescopic rods (13) are arranged inside the mounting grooves (11).