CN211195715U - Hub capable of being directly driven by front wheel - Google Patents
Hub capable of being directly driven by front wheel Download PDFInfo
- Publication number
- CN211195715U CN211195715U CN201922340497.2U CN201922340497U CN211195715U CN 211195715 U CN211195715 U CN 211195715U CN 201922340497 U CN201922340497 U CN 201922340497U CN 211195715 U CN211195715 U CN 211195715U
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- clutch sleeve
- hub
- shaft
- main shaft
- inclined plane
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Abstract
The utility model discloses a can regard as front wheel direct drive's flower-drum, include: 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 this way, the utility model discloses can realize driving forward and brake function simultaneously, simplify the structure, reduce the volume, make its structure compacter, easy dismounting.
Description
Technical Field
The utility model relates to a bicycle field especially relates to a can regard as front wheel direct drive's flower-drum.
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.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves is: 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 problem, the utility model discloses a technical scheme be: 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 the utility model discloses a preferred embodiment, left side connecting portion include from a left side to turn right and establish in proper order the epaxial left side lock nut, first gasket, the waterproof circle in left side, left side pearl shelves and left side steel ball of main shaft, left side pearl shelves with pass through between the hub the left side steel ball rotates to be connected.
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 connected to the hub through the first steel ball, the right bead stop is connected to the base through the second steel ball, the right waterproof ring is connected to the fixing plate, the base is provided with the right waterproof ring, the right waterproof ring is located between the hub and the fixing plate, and the right locking nut is fixed to the outside of the right bead stop.
In a preferred embodiment of the present invention, a tightening spring for locking the fixing piece is further sleeved on the base.
In a preferred embodiment of the present invention, the number of the tightening springs is two.
In a preferred embodiment of the present invention, a tower-shaped spring is mounted between the clutch sleeve and the main shaft through a spring seat.
In a preferred embodiment of the present invention, a second gasket is installed between the tower-shaped spring and the clutch sleeve.
The utility model has the advantages 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 structural diagram 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 will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
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 utility model discloses a can be as front wheel direct drive's flower-drum, from taking brake function, when crank 8 forward, main shaft 1 rotated, and clutch cover bull thread 32 on clutch cover 3 is driven through main shaft bull thread 11 on main shaft 1, makes clutch cover 3 move forward, and clutch cover inclined plane 31 combines together with axle skin inclined plane 11 at this moment, drives the wheel rim and rides forward; 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 utility model discloses a can regard as front wheel direct drive's flower-drum, through special design's flower-drum structure, realize the back-and-forth movement of separation and reunion cover through the bull thread between separation and reunion cover and the axle skin to realize forward drive and brake function respectively through two inclined planes around the separation and reunion cover, simplified the structure, reduced the volume, make its structure compacter, easy dismounting.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are usually placed when used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, 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 only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (8)
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922340497.2U CN211195715U (en) | 2019-12-24 | 2019-12-24 | Hub capable of being directly driven by front wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922340497.2U CN211195715U (en) | 2019-12-24 | 2019-12-24 | Hub capable of being directly driven by front wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211195715U true CN211195715U (en) | 2020-08-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922340497.2U Active CN211195715U (en) | 2019-12-24 | 2019-12-24 | Hub capable of being directly driven by front wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211195715U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110843416A (en) * | 2019-12-24 | 2020-02-28 | 苏州诺济玛金属制品有限公司 | Hub capable of being directly driven by front wheel |
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2019
- 2019-12-24 CN CN201922340497.2U patent/CN211195715U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110843416A (en) * | 2019-12-24 | 2020-02-28 | 苏州诺济玛金属制品有限公司 | Hub capable of being directly driven by front wheel |
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