阅读说明：本技术 一种可以作为前轮直接驱动的花鼓 (Hub capable of being directly driven by front wheel ) 是由 崔秀兰 于 2019-12-24 设计创作，主要内容包括：本发明公开了一种可以作为前轮直接驱动的花鼓,包括：主轴、套设在所述主轴上的轴皮、安装在所述主轴与所述轴皮之间的离合套和刹车块；所述离合套的外径上含有离合套斜面,所述轴皮的内径上含有轴皮斜面,所述离合套斜面与所述轴皮斜面相配合；所述离合套的内径上还有离合套多头螺纹,所述主轴的外径上含有主轴多头螺纹,所述离合套多头螺纹与所述主轴多头螺纹相配合；所述刹车块安装在所述轴皮与所述离合套之间,所述刹车块的内径上含有刹车块斜面,所述刹车块斜面与所述离合套斜面相配合。通过上述方式,本发明能够同时实现向前驱动和刹车功能,简化了结构,减小了体积,使其结构更加紧凑,拆装方便。(The invention discloses a hub capable of being directly driven as a front wheel, which comprises: the brake device comprises a main shaft, a shaft skin sleeved on the main shaft, a clutch sleeve and a brake block, wherein the clutch sleeve and the brake block are arranged between the main shaft and the shaft skin; the outer diameter of the clutch sleeve is provided with a clutch sleeve inclined plane, the inner diameter of the shaft sleeve is provided with a shaft sleeve inclined plane, and the clutch sleeve inclined plane is matched with the shaft sleeve inclined plane; the inner diameter of the clutch sleeve is also provided with a clutch sleeve multi-start thread, the outer diameter of the main shaft is provided with a main shaft multi-start thread, and the clutch sleeve multi-start thread is matched with the main shaft multi-start thread; the brake block is installed between the shaft sleeve and the clutch sleeve, the inner diameter of the brake block is provided with a brake block inclined plane, and the brake block inclined plane is matched with the clutch sleeve inclined plane. Through the mode, the invention can simultaneously realize forward driving and braking functions, simplifies the structure, reduces the volume, and has more compact structure and convenient assembly and disassembly.)

1. A hub that can be directly driven as a front wheel, comprising: the brake device comprises a main shaft, a shaft skin sleeved on the main shaft, a clutch sleeve and a brake block, wherein the clutch sleeve and the brake block are arranged between the main shaft and the shaft skin; the outer diameter of the clutch sleeve is provided with a clutch sleeve inclined plane, the inner diameter of the shaft sleeve is provided with a shaft sleeve inclined plane, and the clutch sleeve inclined plane is matched with the shaft sleeve inclined plane; the inner diameter of the clutch sleeve is also provided with a clutch sleeve multi-start thread, the outer diameter of the main shaft is provided with a main shaft multi-start thread, and the clutch sleeve multi-start thread is matched with the main shaft multi-start thread; the brake block is installed between the shaft sleeve and the clutch sleeve, the inner diameter of the brake block is provided with a brake block inclined plane, and the brake block inclined plane is matched with the clutch sleeve inclined plane.

2. A hub according to claim 1, wherein the spindle is further provided with a left connecting part and a right connecting part for rotatably supporting the hub.

3. The hub as claimed in claim 2, wherein the left connecting portion comprises a left locking nut, a first gasket, a left waterproof ring, a left bead stop and a left steel ball, which are sequentially sleeved on the main shaft from left to right, and the left bead stop is rotatably connected with the hub through the left steel ball.

4. The hub as claimed in claim 2, wherein the right connecting portion comprises a right locking nut, a right waterproof ring, a base, a right bead retainer, a first steel ball, a second steel ball and a fixing plate, the base is rotatably connected with the hub through the first steel ball, the right bead retainer is rotatably connected with the base through the second steel ball, the right waterproof ring and the fixing plate are sleeved on the base, the right waterproof ring is located between the hub and the fixing plate, and the right locking nut is fixed outside the right bead retainer.

5. A hub as claimed in claim 4, being directly driven as a front wheel, wherein the base is further provided with a tightening spring for locking the fixing plate.

6. A hub according to claim 5, wherein there are two tightening springs.

7. The hub as claimed in claim 1, wherein a tower-shaped spring is installed between the clutch sleeve and the main shaft through a spring seat.

8. A hub according to claim 7, wherein a second spacer is mounted between the tower spring and the clutch sleeve.

Technical Field

The invention relates to the field of bicycles, in particular to a hub which can be directly driven as a front wheel.

Background

Bicycles are more and more popular in life and are daily tools for riding instead of walk for most people. With the development of economy, bicycles have more and more styles, more and more functions and better comprehensive performances.

The bicycle wheel set consists of mainly wheel rim, spoke and hub assembly. The hub assembly determines to a large extent the main indicators of weight, durability, overall rigidity, etc. of a wheel set. A bicycle hub assembly is located at the center of a bicycle wheel, and a conventional bicycle hub assembly includes a hub axle, a hub main body, a bearing unit, a ratchet body, and a locking member. The hub shaft is mounted to the bicycle frame, the hub main body is rotatably supported about the hub shaft via a bearing unit provided between the hub shaft and the hub main body, and the locking hook is used to rotate the hub main body in synchronization with the ratchet body when pedaling.

The existing bicycle mainly brakes the hub through the brake device to realize the braking process, so the structure of the hub is complex and the assembly is inconvenient.

Disclosure of Invention

The invention mainly solves the technical problems that: aiming at the defects of the prior art, the hub which can be directly driven by the front wheel is provided, the forward driving and braking functions can be simultaneously realized, the structure is simplified, the size is reduced, the structure is more compact, and the dismounting and the mounting are convenient.

In order to solve the technical problems, the invention adopts a technical scheme that: there is provided a hub which can be directly driven as a front wheel, comprising: the brake device comprises a main shaft, a shaft skin sleeved on the main shaft, a clutch sleeve and a brake block, wherein the clutch sleeve and the brake block are arranged between the main shaft and the shaft skin; the outer diameter of the clutch sleeve is provided with a clutch sleeve inclined plane, the inner diameter of the shaft sleeve is provided with a shaft sleeve inclined plane, and the clutch sleeve inclined plane is matched with the shaft sleeve inclined plane; the inner diameter of the clutch sleeve is also provided with a clutch sleeve multi-start thread, the outer diameter of the main shaft is provided with a main shaft multi-start thread, and the clutch sleeve multi-start thread is matched with the main shaft multi-start thread; the brake block is installed between the shaft sleeve and the clutch sleeve, the inner diameter of the brake block is provided with a brake block inclined plane, and the brake block inclined plane is matched with the clutch sleeve inclined plane.

In a preferred embodiment of the present invention, the spindle is further sleeved with a left connecting portion and a right connecting portion which rotatably support the hub.

In a preferred embodiment of the invention, the left connecting portion comprises a left locking nut, a first gasket, a left waterproof ring, a left ball stop and a left steel ball, which are sequentially sleeved on the main shaft from left to right, and the left ball stop is rotatably connected with the shaft sleeve through the left steel ball.

In a preferred embodiment of the present invention, the right connecting portion includes a right locking nut, a right waterproof ring, a base, a right bead stop, a first steel ball, a second steel ball and a fixing plate, the base is rotatably connected to the hub through the first steel ball, the right bead stop is rotatably connected to the base through the second steel ball, the right waterproof ring and the fixing plate are sleeved on the base, the right waterproof ring is located between the hub and the fixing plate, and the right locking nut is fixed to the outer side of the right bead stop.

In a preferred embodiment of the present invention, a tightening spring for locking the fixing plate is further sleeved on the base.

In a preferred embodiment of the invention, there are two of the tensioning springs.

In a preferred embodiment of the invention, a tower-shaped spring is arranged between the clutch sleeve and the main shaft through a spring seat.

In a preferred embodiment of the invention, a second washer is mounted between the tower spring and the clutch sleeve.

The invention has the beneficial effects that: through the specially designed hub structure, the clutch sleeve is moved back and forth between the clutch sleeve and the shaft sleeve through the multi-start thread, and forward driving and braking functions are realized through two inclined planes in front and at the back of the clutch sleeve respectively, so that the structure is simplified, the size is reduced, the structure is more compact, and the dismounting is convenient.

Drawings

FIG. 1 is a schematic view of a hub of the present invention that can be directly driven as a front wheel;

FIG. 2 is an exploded view of the FIG. 1 illustration;

FIG. 3 is a schematic view of the mounting of the hub and crank shown in FIG. 1;

the parts in the drawings are numbered as follows: 1. the main shaft, 11, the main shaft multi-start thread, 2, the hub, 21, the hub inclined plane, 3, the clutch sleeve, 31, the clutch sleeve inclined plane, 32, the clutch sleeve multi-start thread, 4, the brake block, 41, the brake block inclined plane, 51, the left side lock nut, 52, the first gasket, 53, the left side waterproof ring, 54, the left side bead rail, 55, the left side steel ball, 61, the right side lock nut, 62, the right side waterproof ring, 63, the base, 64, the right side bead rail, 65, the first steel ball, 66, the second steel ball, 67, the stationary plate, 68, the first tightening spring, 69, the second tightening spring, 71, the spring seat, 72, the tower-shaped spring, 73, the second gasket, 8, and the crank.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.

Referring to fig. 1-3, an embodiment of the present invention includes:

a hub that can be directly driven as a front wheel, comprising: the brake device comprises a main shaft 1, a shaft skin 2 sleeved on the main shaft 1, a clutch sleeve 3 arranged between the main shaft 1 and the shaft skin 2 and a brake block 4; the outer diameter of the clutch sleeve 3 is provided with a clutch sleeve inclined surface 31, the inner diameter of the shaft sleeve 2 is provided with a shaft sleeve inclined surface 21, and the clutch sleeve inclined surface 31 is matched with the shaft sleeve inclined surface 21; the inner diameter of the clutch sleeve 3 is also provided with a clutch sleeve multi-start thread 32, the outer diameter of the spindle 1 is provided with a spindle multi-start thread 11, and the clutch sleeve multi-start thread 32 is matched with the spindle multi-start thread 11; the brake block 4 is arranged between the shaft sleeve 2 and the clutch sleeve 3, the inner diameter of the brake block 4 is provided with a brake block inclined surface 41, and the brake block inclined surface 41 is matched with the clutch sleeve inclined surface 31.

The main shaft 1 is further sleeved with a left connecting part and a right connecting part which can rotatably support the shaft housing 2.

The left side connecting portion include from a left side to the right side establish in proper order the left side lock nut 51, first gasket 52, the waterproof circle 53 in left side, left side pearl shelves 54 and left side steel ball 55 on the main shaft 1, left side pearl shelves 54 with pass through between the hub 2 the rotation of left side steel ball 55 is connected.

The right side connecting portion include right side lock nut 61, the waterproof circle 62 of right side, base 63, right side pearl shelves 64, first steel ball 65, second steel ball 66 and stationary blade 67, base 63 with pass through between the hub 2 first steel ball 65 rotates and connects, right side pearl shelves 64 with pass through between the base 63 the second steel ball 66 rotates and connects, the waterproof circle 62 of right side with the stationary blade 67 cover is established on the base 63, just the waterproof circle 62 of right side is located the hub 2 with between the stationary blade 67, right side lock nut 61 is fixed the outside of right side pearl shelves 64.

The base 63 is further sleeved with two tightening springs for locking the fixing plate 67, wherein the two tightening springs are respectively a first tightening spring 68 and a second tightening spring 69.

A tower-shaped spring 72 is arranged between the clutch sleeve 3 and the main shaft 1 through a spring seat 71, and a second gasket 73 is arranged between the tower-shaped spring 72 and the clutch sleeve 3.

The hub can be directly driven by a front wheel, has a brake function, when a crank 8 moves forwards, a main shaft 1 rotates, a multi-head thread 11 of the main shaft on the main shaft 1 drives a multi-head thread 32 of a clutch sleeve on the clutch sleeve 3, so that the clutch sleeve 3 moves forwards, and at the moment, a slope 31 of the clutch sleeve is combined with a slope 11 of a shaft sleeve to drive a wheel rim to ride forwards; when the crank 8 goes backwards, the main shaft 1 is rotated to drive the clutch sleeve 3 to move backwards, the clutch sleeve inclined surface 31 is combined with the brake block inclined surface 41 at the moment, the brake block 4 is jacked (opened), and the outer diameter of the brake block 4 is combined with the inner diameter of the shaft sleeve 2, so that the braking function is achieved.

The invention discloses a hub which can be directly driven by a front wheel, through a specially designed hub structure, the front and back movement of a clutch sleeve is realized through a multi-start thread between the clutch sleeve and a shaft sleeve, and the forward driving and braking functions are respectively realized through two inclined planes at the front and the back of the clutch sleeve, so that the structure is simplified, the volume is reduced, the structure is more compact, and the mounting and dismounting are convenient.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally arranged when the products of the present invention are used, and are used for convenience of description and simplicity of description only, and do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.