CN221091124U

CN221091124U - Wheel type bicycle crank

Info

Publication number: CN221091124U
Application number: CN202322794968.3U
Authority: CN
Inventors: 何光荣; 许开明
Original assignee: Yangzhou Chuangmeng Bicycle Fitting Co ltd
Current assignee: Yangzhou Chuangmeng Bicycle Fitting Co ltd
Priority date: 2023-10-18
Filing date: 2023-10-18
Publication date: 2024-06-07
Anticipated expiration: 2033-10-18

Abstract

The utility model belongs to the technical field of bicycles and discloses a wheel type bicycle crank, which comprises a crank I, wherein the outer end of the crank I is abutted to a crank II, one end of the crank I is fixedly connected with a guide rod, one side of the outer end of the guide rod is fixedly connected with a stop block, the outer end of the crank II is provided with a guide groove for the sliding connection of the outer end of the guide rod, the outer end of the crank I is provided with an adjusting mechanism, the inside of the crank I is provided with a fixing mechanism, one end of the crank II is fixedly provided with a pedal, and the threaded rod is driven to rotate by a rotating block to drive the crank II to move by a threaded block.

Description

Wheel type bicycle crank

Technical Field

The utility model relates to the technical field of bicycles, in particular to a wheeled bicycle crank.

Background

Bicycles, also known as bicycles or scooters, are typically small land vehicles with two wheels. After people get on the vehicle, the pedal is taken as power, so that the vehicle is environment-friendly. The bicycle is of various types, including single bicycle, double bicycle and multi-person bicycle. The vehicle can be used as an environment-friendly vehicle for riding instead of walk and going out; more and more people use bicycles as exercise equipment for riding exercises and bicycle for going out; the bicycle is also a sports sport, including road bicycle racing, mountain bicycle racing, field bicycle racing, special bicycle racing, etc.

However, the length of the crank of the common bicycle is fixed and cannot be adjusted, so that the bicycle cannot be well matched with riders with different heights (especially crowds), and the use and enjoyment of the bicycle by the riders are affected.

A wheeled bicycle crank is provided for the purpose, and is updated and modified on the basis of the device, so that the defects are overcome.

Disclosure of utility model

The utility model aims at: the utility model provides a wheel type bicycle crank, which aims to solve the problems that the length of a common bicycle crank is fixed and cannot be adjusted, so that a bicycle cannot be well matched with riders with different heights, and the use and enjoyment of the bicycle by the riders are affected.

The utility model adopts the following technical scheme for realizing the purposes:

The utility model provides a wheeled bicycle crank, includes crank one, crank one's outer end butt has crank two, crank one's one end fixedly connected with guide bar, supply is seted up to crank two's outer end the guide way of outer end sliding connection of guide bar, crank one's outer end is provided with adjustment mechanism, crank one's inside is provided with fixed establishment.

Further, the adjusting mechanism comprises a rotating block, the inner wall of the first crank is rotationally connected with the rotating block, a threaded rod is fixedly arranged in the middle of the rotating block, the outer end of the threaded rod is in threaded connection with a threaded block, and the outer end of the threaded block is fixedly connected with the inner wall of the second crank.

Further, a stop block is fixedly connected to one side of the outer end of the guide rod, and the inner wall of the stop block is abutted to the outer end of the threaded rod.

Further, the fixing mechanism comprises a sliding block, the inner wall of the first crank is connected with the sliding block in a sliding mode, the outer end of the sliding block is fixedly connected with a clamping rod, and the outer end of the rotating block is provided with a clamping groove for clamping the outer end of the clamping rod.

Further, a spring is arranged at the outer end of the clamping rod, one end of the spring is fixedly installed with the outer end of the sliding block, and one end of the spring is fixedly installed with the inner wall of the crank I.

Further, a pedal is fixedly arranged at one end of the second crank.

The beneficial effects of the utility model are as follows:

According to the utility model, the threaded rod is driven to rotate by rotating the rotating block, so that the threaded block drives the crank II to move, the distance between the crank I and the crank II is increased or reduced, the whole length of the crank is convenient to adjust, and riders with different heights can use the crank conveniently.

According to the utility model, the clamping rod is clamped with the clamping groove at the outer end of the rotating block under the action of the spring, so that the rotating block after rotation is conveniently fixed, and the overall stability of the crank is improved.

Drawings

FIG. 1 is a schematic illustration of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the crank construction of the present utility model;

FIG. 3 is a schematic view of a fastening structure of the present utility model;

Fig. 4 is a schematic view of the structure of the turning block of the present utility model.

Reference numerals: 1. a crank I; 11. a second crank; 12. a guide rod; 13. a guide groove; 2. an adjusting mechanism; 21. a rotating block; 22. a stop block; 23. a threaded rod; 24. a screw block; 3. a fixing mechanism; 31. a slide block; 32. a spring; 33. a clamping rod; 34. a clamping groove.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In describing embodiments of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", etc. are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in place when the inventive product is used, are merely for convenience of description and simplification of description, and are not indicative or implying that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

As shown in fig. 1 to 4, a wheel type bicycle crank comprises a crank I1, wherein the outer end of the crank I1 is abutted to a crank II 11, one end of the crank I1 is fixedly connected with a guide rod 12, the outer end of the crank II 11 is provided with a guide groove 13 for sliding connection with the outer end of the guide rod 12, the outer end of the crank I1 is provided with an adjusting mechanism 2, the inside of the crank I1 is provided with a fixing mechanism 3, and one end of the crank II 11 is fixedly provided with a pedal; specifically, the distance between the first crank 1 and the second crank 11 is conveniently adjusted through the adjusting mechanism 2, the whole length of the crank is adjusted, and the stability of the whole crank after adjustment is improved through the fixing mechanism 3.

As shown in fig. 1, 2 and 3, the adjusting mechanism 2 comprises a rotating block 21, the inner wall of a first crank 1 is rotatably connected with the rotating block 21, a threaded rod 23 is fixedly arranged in the middle of the rotating block 21, the outer end of the threaded rod 23 is in threaded connection with a threaded block 24, and the outer end of the threaded block 24 is fixedly connected with the inner wall of a second crank 11; specifically, the threaded rod 23 is driven to rotate by rotating the rotating block 21, so that the threaded block 24 drives the crank II 11 to move, the distance between the crank I1 and the crank II 11 is increased or reduced, and the whole length of the crank is convenient to adjust.

As shown in fig. 1 and 2, a stop block 22 is fixedly connected to one side of the outer end of the guide rod 12, and the inner wall of the stop block 22 is abutted against the outer end of the threaded rod 23; specifically, the first crank 1 and the second crank 11 are prevented from being separated.

As shown in fig. 3 and 4, the fixing mechanism 3 comprises a sliding block 31, the inner wall of the crank 1 is slidably connected with the sliding block 31, the outer end of the sliding block 31 is fixedly connected with a clamping rod 33, the outer end of the rotating block 21 is provided with a clamping groove 34 for clamping the outer end of the clamping rod 33, the outer end of the clamping rod 33 is provided with a spring 32, one end of the spring 32 is fixedly installed with the outer end of the sliding block 31, and one end of the spring 32 is fixedly installed with the inner wall of the crank 1; specifically, the slider 31 drives the clamping rod 33 to move by the acting force of the spring 32, so that the clamping rod 33 is clamped with the clamping groove 34 at the outer end of the rotating block 21, the rotating block 21 after rotation is conveniently fixed, and the overall stability of the crank is improved.

To sum up: the threaded rod 23 is driven to rotate through the rotary block 21, the threaded block 24 is made to drive the crank II 11 to move, the distance between the crank I1 and the crank II 11 is increased or reduced, the whole length of the crank is convenient to adjust, riders with different heights are convenient to use, the clamping rod 33 is clamped with the clamping groove 34 at the outer end of the rotary block 21 through the acting force of the spring 32, the rotary block 21 after rotation is convenient to fix, and the whole stability of the crank is improved.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A wheeled bicycle crank comprising a crank one (1), characterized in that: the outer end butt of crank one (1) has crank two (11), the one end fixedly connected with guide bar (12) of crank one (1), the guide way (13) of confession the outer end sliding connection of guide bar (12) are seted up to the outer end of crank two (11), the outer end of crank one (1) is provided with adjustment mechanism (2), the inside of crank one (1) is provided with fixed establishment (3).

2. A wheeled bicycle crank as claimed in claim 1, wherein: the adjusting mechanism (2) comprises a rotating block (21), the inner wall of the first crank (1) is rotationally connected with the rotating block (21), a threaded rod (23) is fixedly installed in the middle of the rotating block (21), a threaded block (24) is connected with the outer end of the threaded rod (23) in a threaded manner, and the outer end of the threaded block (24) is fixedly connected with the inner wall of the second crank (11).

3. A wheeled bicycle crank as claimed in claim 2, wherein: a stop block (22) is fixedly connected to one side of the outer end of the guide rod (12), and the inner wall of the stop block (22) is abutted to the outer end of the threaded rod (23).

4. A wheeled bicycle crank as claimed in claim 2, wherein: the fixing mechanism (3) comprises a sliding block (31), the inner wall of the crank I (1) is connected with the sliding block (31) in a sliding mode, the outer end of the sliding block (31) is fixedly connected with a clamping rod (33), and the outer end of the rotating block (21) is provided with a clamping groove (34) for clamping the outer end of the clamping rod (33).

5. A wheeled bicycle crank as claimed in claim 4, wherein: the outer end of the clamping rod (33) is provided with a spring (32), one end of the spring (32) is fixedly arranged at the outer end of the sliding block (31), and one end of the spring (32) is fixedly arranged at the inner wall of the crank I (1).

6. A wheeled bicycle crank as claimed in claim 1, wherein: and a pedal is fixedly arranged at one end of the second crank (11).