CN109695645B - Hub braking assembly - Google Patents
Hub braking assembly Download PDFInfo
- Publication number
- CN109695645B CN109695645B CN201711002994.0A CN201711002994A CN109695645B CN 109695645 B CN109695645 B CN 109695645B CN 201711002994 A CN201711002994 A CN 201711002994A CN 109695645 B CN109695645 B CN 109695645B
- Authority
- CN
- China
- Prior art keywords
- hub
- braked
- limiting
- component
- brake
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000013013 elastic material Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/10—Drums for externally- or internally-engaging brakes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
Abstract
The application discloses a wheel hub brake assembly installs in wheel hub, includes: a braked member which rotates integrally with the hub; a braking component rotationally sleeved on the hub shaft of the hub and engaged with the braked component; the brake device comprises a brake part, a wheel hub, a limiting piece, a brake space, a gap, a brake space and a brake cover, wherein the brake part is provided with the gap, the brake part is connected with the wheel hub through the limiting piece, the limiting piece penetrates through the gap, and the gap exists between the limiting piece and the brake part. The hub brake assembly disclosed by the application provides a buffer time for braking between the hub and the hub brake assembly, so that the braking of the hub is more moderate.
Description
Technical Field
The application relates to the technical field of manufacturing of hub braking equipment, in particular to a hub braking assembly.
Background
In recent years, people can enjoy bicycle sharing service in areas such as campuses, subway stations, bus stations, residential areas, business areas, public service areas and the like, and travel of people is greatly facilitated. Moreover, the bicycle mainly runs by manpower, cannot pollute the environment, and accords with the low-carbon travel concept of modern people. Therefore, the shared bicycle has attracted more and more attention due to convenience and low carbon and environmental friendliness. However, due to the "sharing" concept of sharing a bicycle, some users with low quality do not get tired of the vehicle, even actively breaking the vehicle. For example, a lock of a shared bicycle is externally arranged on the bicycle, and after the lock is broken by some people, the bicycle is occupied.
In order to solve the problem that the lock is exposed and easily damaged by people, currently, a method for embedding the lock is mostly adopted for solving the problem, such as Luo Chasuo. However, luo Chasuo is prone to damage to the brake pads when braking is achieved, since braking between the brake pads and the hub for braking is too sudden. Therefore, how to solve the problem that the brake pad is often damaged due to the sudden braking action of the roller brake lock has become a technical problem to be solved by those skilled in the art.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide the hub brake assembly, which solves the problem that a lock is exposed outside and is easily damaged by people, and provides a buffer time for braking between a hub and the hub brake assembly, so that the braking of the hub is more relaxed.
The technical scheme provided by the invention is as follows:
a hub brake assembly for installation in a wheel hub, comprising:
a braked member integrally rotated with the hub;
the braking component is rotationally sleeved on a hub shaft of the hub and is in clutch fit with the braked component;
the brake device comprises a brake part, a wheel hub, a limiting piece and a brake part, wherein the brake part is provided with a clearance space, the brake part is connected with the wheel hub through the limiting piece, the limiting piece penetrates through the clearance space, and a gap exists between the limiting piece and the brake part.
Preferably, the number of the empty spaces is at least 2, and the empty spaces are uniformly arranged on the braked component in the circumferential direction.
Preferably, the number of the empty spaces is at least 2, and the empty spaces are arranged on the braked component at intervals in the circumferential direction.
Preferably, the braked member is an annular disc, and a clearance hole surrounding the clearance space is formed in the annular disc.
Preferably, the limiting member is a limiting post.
Preferably, the clearance hole is an elliptical hole extending in a curved manner in the circumferential direction.
Preferably, the braked member is an annular disc, and a clearance opening which semi-surrounds the clearance space is arranged on the annular disc.
Preferably, the device further comprises a limiting ring, wherein the limiting ring is arranged between the braked component and the braking component and is used for limiting the radial movement range of the braked component in the clearance space. Preferably, the limiting ring is provided with a limiting opening which is combined with the clearance opening to surround the clearance space, and the limiting opening can limit the radial movement position of the braked part in the clearance space.
Preferably, the limiting ring is made of elastic materials.
Preferably, the limiting ring is fixedly arranged on the hub.
Preferably, the device further comprises a limit ring, wherein the limit ring is arranged between the hub and the braked component and is used for limiting the radial movement range of the braked component in the clearance space.
Preferably, the limit ring is made of elastic material.
According to the hub braking assembly provided by the invention, the limiting piece penetrates through the clearance space to limit the braked component to the hub to rotate synchronously with the hub, the braked component rotating synchronously with the hub can be pressed on the contact surface through the braking surface of the braking transmission component, and the rotation is stopped due to the action of friction force between the braking surface and the contact surface of the braked component, so that the hub is driven to stop rotating. And there is the gap between the spacing piece and the braked part, and the braked part will continue to rotate forward for a certain distance because of inertia before stopping rotating, at this time, the spacing piece can move a certain distance along the rotating direction of the wheel hub in the range of the clearance space through the braking of the braked part until the wheel hub is braked. Therefore, the arrangement of the clearance space enables the rotation of the braked part to be slow in advance, and then the braking of the hub is realized under the drive of the limiting part, so that a buffer time is provided for the braking of the hub and the braked part, and the braking of the hub is more eased.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a braked member according to an embodiment of the present invention;
FIG. 2 is a schematic view illustrating the installation of a braked member according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a braked member according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a stop collar of a braked member according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a stop collar of a braked member according to an embodiment of the present invention;
FIG. 6 is a schematic view illustrating installation of a stop collar of a braked member according to an embodiment of the present invention;
fig. 7 is an enlarged schematic view of the portion a in fig. 6.
Detailed Description
In order to better understand the technical solutions in the present application, the following description will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
A hub brake assembly according to an embodiment of the present invention is mounted in a wheel hub 4, and includes:
a braked member 1 which rotates integrally with the hub 4;
a brake member 2 rotatably fitted to a hub shaft of the hub 4 and engaged with the braked member 1;
the braked component 1 is provided with a clearance space 11, the braked component 1 is connected with the hub 4 through a limiting piece 12, the limiting piece 12 passes through the clearance space 11, and a gap exists between the limiting piece 12 and the braked component 1.
Specifically, as shown in fig. 1 to 4, the stopper 12 passes through the clearance space 11 to restrict the braked component 1 on the hub 4 to rotate synchronously with the hub 4, the braked component 1 rotating synchronously with the hub 4 can be pressed on the contact surface by the braking surface of the brake transmission component, and the rotation is stopped due to the action of friction force between the braking surface and the contact surface of the braked component 1, so that the hub 4 is driven to stop rotating. And, there is the gap between the stopper 12 and the braked component 1, and the braked component 1 will continue to rotate forward for a certain distance due to inertia before stopping rotating, at this time, the stopper 12 can move for a certain distance along the rotating direction of the hub 4 in the range of the clearance space 11 through the braking of the braked component 1 until the hub 4 is braked. Therefore, the arrangement of the clearance space 11 makes the rotation of the braked component 1 slow in advance, and then the braking of the hub 4 is realized under the drive of the limiting piece 12, so that a buffer time is provided for the braking of the hub 4 and the braked component 1, and the braking of the hub 4 is more eased.
In particular, when the braking surface is disposed on three braking pads disposed at intervals, the three braking pads cannot be pressed on the contact surface at the same time, so that the braking of the braked component 1 cannot be achieved in a short time by the braking pads pressed on the contact surface first, and the braking pads pressed on the braked component 1 first are damaged by the larger friction force between the braked component 1 and the single braking pad. The arrangement of the clearance space 11 enables the braked component 1 to start braking under the drive of the single brake pad pressed on the contact surface, until the limiting piece 12 moves a distance along the rotation direction of the hub 4 in the range of the clearance space 11 along with the braking of the braked component 1, until the hub 4 is braked. In the process that the limiting piece 12 moves in the clearance space 11, all the three brake pads are pressed on the braked component 1, so that when the wheel hub 4 is braked, the stress of the three brake pads is uniform, the self-adaptability of the relative positions between the brake pads and the wheel hub 4 is improved, and the damage of the brake pads is avoided.
The number of the clearance spaces 11 is at least 2, and the clearance spaces are uniformly arranged on the braked component 1 in the circumferential direction.
Specifically, the number of the clearance spaces 11 is at least 2, and the limiting pieces 12 and 12 are arranged corresponding to the clearance spaces 11, so that the clearance spaces 11 and the limiting pieces 12 are arranged in pairs and are circumferentially and uniformly arranged on the braked component 1, friction forces from all directions, received by the braked component 1 and the wheel hub 4 when braked, are more uniform, and further the braking of the wheel hub 4 is more stable.
The number of the clearance spaces 11 is at least 2, and the clearance spaces are arranged on the braked component 1 at intervals in the circumferential direction.
Specifically, the number of the clearance spaces 11 is at least 2, and the limiting pieces 12 and 12 are arranged corresponding to the clearance spaces 11, so that the clearance spaces 11 and the limiting pieces 12 are arranged in pairs and are circumferentially arranged on the braked component 1 at intervals, the braked component 1 and the wheel hub 4 can be braked, and meanwhile, the manufacturing cost is saved.
The braked member 1 is an annular disk provided with a clearance hole surrounding the clearance space 11.
Specifically, the limiting member 12 passes through the clearance hole on the annular disc and is fixedly connected with the hub 4.
Wherein the limiting member 12 is a limiting post.
Specifically, the limiting column passes through the clearance hole on the annular disc and is fixedly connected with the hub 4, so that the limiting function of limiting the braked component 1 on the hub 4 is achieved. In other embodiments, the limiting post may be a screw or a bump, and the type of the limiting member 12 may be set according to actual needs, so long as the limiting function of limiting the braked component 1 on the hub 4 is achieved, which is not limited to the above scheme and will not be repeated herein.
Wherein the clearance hole is an elliptical hole which is bent and extended along the circumferential direction.
Specifically, the clearance hole is a clearance space 11, and in the elliptical hole extending in a bending manner along the circumferential direction, the movement of the limiting member 12 along the radial direction is limited, so that the limiting member 12 mainly moves along the circumferential direction relative to the braked member 1, and the stability of the braked member 1 and the hub 4 when braked is enhanced.
The braked member 1 is an annular disk provided with a clearance opening 111 which partly surrounds the clearance space 11.
Specifically, the clearance openings 111 are uniformly spaced on the annular disc inner ring, and the stopper 12 is fixedly disposed on the hub 4 through the clearance openings 111, so that the braked component 1 is restrained between the stopper 12 and the hub 4.
The device further comprises a limiting ring 3, wherein the limiting ring 3 is arranged between the braked component 1 and the braked component 2 and is used for limiting the radial movement range of the braked component 1 in the clearance space 11.
Specifically, the limiting ring 3 limits the radial movement range of the braked component 1 in the clearance space 11, so that the braked component 1 is prevented from moving relatively to the hub 4 in a large range in the radial direction during braking, and the stability of the braked component 1 and the hub 4 during braking is enhanced. Wherein, the limiting ring 3 is provided with a limiting opening 31 which is combined with the clearance opening 111 to surround the clearance space 11, and the limiting opening 31 can limit the radial moving position of the braked part 1 in the clearance space 11.
Specifically, the space surrounded by the limiting opening 31 and the clearance opening 111 forms the clearance space 11, and the limiting piece 12 is limited between the limiting opening 31 and the clearance opening 111, so that the limiting ring 3 can limit the radial movement range of the braked component 1 in the clearance space 11, and the large-range relative movement of the braked component 1 relative to the hub 4 in the radial direction during braking is avoided, so that the stability of the braked component 1 and the hub 4 during braking is further enhanced.
Wherein, the limiting ring 3 is made of elastic materials.
Specifically, due to the existence of the clearance space 11, when the hub 4 rotates, the braked component 1 shakes relative to the hub 4, and the limiting ring 3 is made of rubber, so that the braked component 1 shakes in a buffering effect, and the braked component 1 is prevented from being damaged in the shaking process.
Wherein, the spacing ring 3 is fixedly arranged on the hub 4.
Specifically, the limiting ring 3 is fixedly arranged on the hub 4 through a plurality of rubber columns 32, so that the radial movement range of the braked component 1 in the clearance space 11 is further limited, and the stability of the braked component 1 and the hub 4 during braking is further enhanced.
The device further comprises a limit ring 5, wherein the limit ring 5 is arranged between the hub 4 and the braked component 1 and is used for limiting the radial movement range of the braked component 1 in the clearance space 11.
Specifically, as shown in fig. 5 to 7, the outer ring of the hub 4 close to the braked component 1 is provided with a groove, the outer ring of the braked component 1 close to the hub 4 is also provided with a groove, the limiting ring is provided with a pair of protruding rings corresponding to the two grooves, and the pair of protruding rings are respectively embedded in the two grooves, so that the braked component 1 is prevented from generating large-range relative movement in the radial direction relative to the hub 4 during braking, and therefore, the stability of the braked component 1 and the hub 4 is enhanced during braking.
Wherein, the limit ring 5 is made of elastic material.
Specifically, due to the existence of the clearance space 11, when the hub 4 rotates, the braked component 1 shakes relative to the hub 4, and the limit ring 5 is made of rubber, so that the braked component 1 shakes in a buffering effect, and the braked component 1 is prevented from being damaged in the shaking process.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A hub brake assembly for installation in a wheel hub (4), comprising:
a braked member (1) which rotates integrally with the hub (4);
a braking component (2) rotationally sleeved on a hub shaft of the hub (4) and in clutch fit with the braked component (1);
the brake device comprises a brake part (1), a wheel hub (4) and a brake part (1), wherein a clearance space (11) is formed in the brake part (1), the brake part (1) is connected with the wheel hub (4) through a limiting piece (12), the limiting piece (12) penetrates through the clearance space (11), and a gap exists between the limiting piece (12) and the brake part (1);
the device further comprises a limit ring (5), wherein the limit ring (5) is arranged between the hub (4) and the braked component (1) and is used for limiting the radial movement range of the braked component (1) in the clearance space (11);
the braked component (1) is an annular disc, and a clearance opening (111) which semi-surrounds the clearance space (11) is arranged on the annular disc;
the device further comprises a limiting ring (3), wherein the limiting ring (3) is arranged between the braked component (1) and the braking component (2) and is used for limiting the radial movement range of the braked component (1) in the clearance space (11);
the limiting ring (3) is provided with a limiting opening (31) which is combined with the clearance opening (111) to surround the clearance space (11), and the limiting opening (31) can limit the radial movement position of the braked component (1) in the clearance space (11).
2. A hub brake assembly according to claim 1, wherein the number of said empty spaces (11) is at least 2, arranged circumferentially uniformly on said braked member (1).
3. A hub brake assembly according to claim 1, wherein the number of said empty spaces (11) is at least 2, arranged at circumferentially spaced intervals on said braked member (1).
4. A hub brake assembly according to claim 1, wherein the braked member (1) is an annular disc provided with a clearance hole surrounding the clearance space (11).
5. A hub brake assembly according to claim 4, wherein the stop (12) is a stop post.
6. A hub brake assembly according to claim 5, wherein said clearance hole is an oval hole extending in a curved circumferential direction.
7. A hub brake assembly according to claim 1, wherein the stop collar (3) is of an elastic material.
8. A hub brake assembly according to claim 7, wherein the stop collar (3) is fixedly arranged on the hub (4).
9. A hub brake assembly according to claim 1, wherein the stop collar (5) is of an elastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711002994.0A CN109695645B (en) | 2017-10-24 | 2017-10-24 | Hub braking assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711002994.0A CN109695645B (en) | 2017-10-24 | 2017-10-24 | Hub braking assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109695645A CN109695645A (en) | 2019-04-30 |
| CN109695645B true CN109695645B (en) | 2024-03-05 |
Family
ID=66228098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711002994.0A Active CN109695645B (en) | 2017-10-24 | 2017-10-24 | Hub braking assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109695645B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109693754B (en) * | 2017-10-24 | 2023-11-17 | 广东洛梵狄智能科技有限公司 | Hub brake lock, hub brake system, hub assembly and bicycle |
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| DE102012003159A1 (en) * | 2012-02-17 | 2013-08-22 | Daimler Ag | Brake mechanism for motor vehicle, has axial stop to secure friction ring in axial direction against movement in mounted state, and retaining ring cooperated with wheel hub teeth and arranged between friction ring and wheel hub teeth |
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Effective date of registration: 20221110 Address after: 528000 Second floor of No. 8 Building in Guangdong Xuelaite Optoelectronic Technology Co., Ltd., Zone A, Shishan Science and Technology Industrial Park, Shishan Town, Nanhai District, Foshan City, Guangdong Province (residence declaration) Applicant after: GUANGDONG LOFANDI INTELLIGENT TECHNOLOGY CO.,LTD. Address before: First floor of light industry workshop of Changsha CSR Electric Equipment Co., Ltd., No. 197, Jinhai Road, Yuhua District, Changsha City, Hunan Province 410007 Applicant before: HUNAN JIEXING TECHNOLOGY CO.,LTD. |
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