CN213139048U - Bicycle rear wheel servant brake - Google Patents
Bicycle rear wheel servant brake Download PDFInfo
- Publication number
- CN213139048U CN213139048U CN202020701891.4U CN202020701891U CN213139048U CN 213139048 U CN213139048 U CN 213139048U CN 202020701891 U CN202020701891 U CN 202020701891U CN 213139048 U CN213139048 U CN 213139048U
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- Prior art keywords
- brake
- rear wheel
- cover
- servant
- decorative cover
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- 230000001681 protective effect Effects 0.000 claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 239000000428 dust Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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Abstract
The utility model discloses a bicycle rear wheel servant brake, which consists of a brake disc, a brake shoe group and a protective cavity cover mechanism, wherein the protective decorative cover is provided with an interference hole, the brake shoe group and the middle part of the brake disc are provided with a middle shaft hole, the lower end of the protective decorative cover is provided with a fixed plate, one end of the rear wheel servant brake is used in a fitting and matching way through a hub, the hub is provided with a main shaft, the rear wheel servant brake is connected with the hub through the interference hole and the middle shaft hole by the main shaft, a thread part is connected with the external thread of the hub in a fitting way, the protective decorative cover is coated on the brake disc and the brake shoe group to form a closed cavity structure, the protective cavity cover mechanism can effectively protect the inner brake and the fixed plate and the brake disc, prolong the service life, can block rainwater and mashed mud, and is used in the field of automatic vehicles, the servant brake has better connection, play waterproof, dirt-proof effect well, the fixed plate is connected with the rear wheel for the protection dress trim cover is more firm, and crashproof performance is better.
Description
Technical Field
The utility model relates to a servant brake technical field, concretely relates to bicycle rear wheel servant brake.
Background
At present, protective cover body, shield body and servant brake are adopted to the structure of bicycle rear wheel servant brake mostly, and protective cover panel, circular arc transition plane and circular arc side flange structure are integrated into one piece, and shield body and circular arc side baffle seat are integrated into one piece, the shield body pass through the mounting with protective cover body fixed connection, because the servant brake wholeness is stronger, and the fixed plate is inside, and the rear wheel is connected insecure with the brake, and it is inconvenient to dismantle the maintenance debugging, and the monolithic connection fixity is not good, causes servant brake braking effect not good, arouses brake trouble.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the deficiencies existing in the prior art, providing a flower-drum and servant brake firm in connection and brake effectual, overhaul the debugging convenient, can apply to the servant brake of bicycle rear wheel.
In order to achieve the purpose of the utility model, the utility model provides a technical scheme as follows: a rear wheel servant brake of a bicycle comprises a brake disc, a brake shoe group and a protective cavity cover mechanism, wherein the brake shoe group and the brake disc are arranged in the protective cavity cover mechanism, the protective cavity cover mechanism comprises a protective decorative cover and a dustproof cover, a fixing plate is arranged at the lower end of the protective decorative cover, an interference hole is formed in the protective decorative cover, a middle shaft hole is formed in the middle of the brake shoe group and the brake disc, the protective decorative cover and the dustproof cover are sequentially and axially assembled with the brake disc and the brake shoe group, one end of the rear wheel servant brake is installed and matched through a hub, a main shaft is arranged on the hub, the rear wheel servant brake is connected with the hub through the interference hole and the middle shaft hole by the main shaft, an internal thread part is arranged at the middle shaft of the dustproof cover and the brake disc, the internal thread part is in matched and connected with the external thread of the hub, and the protective decorative cover is coated on the brake disc and, the periphery of the dustproof cover extends to form a cover plate special-shaped lace.
As the utility model discloses further improve, protection dress trim cover middle part sets up to the indent structure, and protection dress trim cover periphery sets up to U type evagination cavity structures.
As the utility model discloses the further improvement, the indent structure is equipped with the buffering reinforcement with U type evagination cavity structures interval, the curved limit of U type evagination cavity structures is equipped with indent transition circular arc sideboard.
As the utility model discloses further improve, supporting fixed plate one side is equipped with and strengthens limit and fixed block.
As the utility model discloses further improve, the structural fixed orifices that is equipped with of indent, the protection dress trim cover passes the fixed orifices through the screw with the fixed plate and is connected.
As a further improvement, the protective decorative cover is provided with a camshaft protective fixing piece.
As a further improvement, the U-shaped convex cavity structure is provided with an observation hole.
Based on the technical scheme, compared with the prior art, the utility model have following technical advantage:
the utility model relates to a bicycle rear wheel servant brake, which consists of a brake disc, a brake shoe group and a protective cavity cover mechanism, wherein the brake shoe group and the brake disc are arranged in the protective cavity cover mechanism, the protective cavity cover mechanism consists of a protective decorative cover and a dustproof cover, the protective decorative cover is provided with an interference hole, the middle parts of the brake shoe group and the brake disc are provided with a middle shaft hole, the protective decorative cover and the dustproof cover are sequentially and axially assembled with the brake disc and the brake shoe group, after the integral assembly, the waterproof and dustproof effects are well achieved, the lower end of the protective decorative cover is provided with a fixed plate, the fixed plate can be well connected with a rear wheel, one end of the rear wheel servant brake is installed and matched to use through a hub, the hub is provided with a main shaft, the rear wheel servant brake is connected with the hub through the interference hole and the middle shaft hole through the main shaft hole, the dustproof cover and the center shaft, screw thread portion is connected with flower-drum external screw thread fit for servant brake firm in connection nature is better, plays fine braking effect, and brake and flower-drum cooperation performance are more excellent, and in addition, the cladding of protection dress trim cover constitutes a closed cavity structures in brake disc, brake shoe group, and this application servant brake and dustcoat wholeness are stronger, and inside brake and fixed plate, brake disc can effectively be protected to protection chamber lid mechanism, increase of service life, and the peripheral extension of shield has apron abnormal shape lace, can block debris such as rainwater, mashed mud, more is applicable to the automotive vehicle field and uses.
The U-shaped convex cavity structure is characterized in that a buffer reinforcing part is arranged between the concave structure and the U-shaped convex cavity structure, and a concave transition arc edge plate is arranged on the curved edge of the U-shaped convex cavity structure, so that the protective decorative cover is firmer and better in waterproof and anti-collision performance.
Drawings
Fig. 1 is a schematic view of the three-dimensional structure of the rear wheel servant brake of the bicycle.
Fig. 2 is a schematic front view of the rear wheel servant brake of the bicycle of the present invention.
Fig. 3 is a schematic side view of the brake of the present invention.
Fig. 4 is a schematic sectional view taken along the line a-a in fig. 2.
In the figure: 1-brake disc, 2-brake shoe block group, 3-protection cavity cover mechanism, 4-fixing plate, 5-hub, 301-protection decoration cover, 302-dust cover, 303-interference hole, 304-center shaft hole, 305-internal thread part, 306-cover plate special-shaped lace, 307-concave structure, 308-U-shaped convex cavity structure, 309-reinforcing edge, 310-fixing block, 311-buffering reinforcing piece, 312-concave transition arc edge plate, 313-fixing hole, 314-camshaft protection fixing piece, 315-observation hole, 501-main shaft and 6-screw.
Detailed Description
The invention is further explained below with reference to the drawings and examples.
As shown in fig. 1-4, a bicycle rear wheel servant brake comprises a brake disc 1, a brake shoe group 2 and a protection cavity cover mechanism 3, wherein the brake shoe group 2 and the brake disc 1 are disposed in the protection cavity cover mechanism 3, the protection cavity cover mechanism 3 comprises a protection decorative cover 301 and a dust cover 302, a fixing plate 4 is disposed at the lower end of the protection decorative cover 301, a reinforcing edge 309 and a fixing block 310 are disposed at one side of the fixing plate 4, the protection decorative cover 301 is disposed with an interference hole 303, a central shaft hole 304 is disposed at the middle portion of the brake shoe group 2 and the brake disc 1, the protection decorative cover 301 and the dust cover 302 are axially assembled with the brake disc 1 and the brake shoe group 2 in sequence, one end of the rear wheel servant brake is installed and matched for use through a hub 5, a spindle 501 is disposed on the hub 5, the rear wheel servant brake is connected with the hub 5 through the spindle 501 passing through the interference hole 303 and the central shaft hole 304, the inner screw thread part 305 is arranged at the middle shaft of the dustproof cover 302 and the brake disc 1, the inner screw thread part 305 is in threaded fit connection with the hub 4, the protective decorative cover 301 is wrapped on the brake disc 1 and the brake shoe group 2 to form a closed cavity structure, and the periphery of the dustproof cover 302 extends to form a cover plate special-shaped lace 306.
The middle of the protective decorative cover 301 is set as an inward concave structure 307, the periphery of the protective decorative cover 301 is set as a U-shaped outward convex cavity structure 308, a buffer reinforcing part 311 is arranged between the inward concave structure 307 and the U-shaped outward convex cavity structure 308, the curved edge of the U-shaped outward convex cavity structure 308 is provided with an inward concave transition arc edge plate 312, a fixing hole 313 is formed in the inward concave structure 307, the protective decorative cover 301 and the fixing plate 4 are connected through a screw 6 penetrating through the fixing hole 313, a camshaft protection fixing part 314 is arranged on the protective decorative cover 301, and an observation hole 315 is formed in the U-shaped outward convex cavity structure 308.
The brake disc 1 is arranged in the dust cover 302, the brake shoe group 2 is connected with the fixing plate 4 through an eccentric shaft, the fixing plate 4 is provided with a spring, the fixing plate 4 is connected with the protective decorative cover 301 through a screw, the outer circle edge of the protective decorative cover 301 is sleeved outside the outer circle wall of the dust cover 302 to form a closed state, the thread part is matched and connected with the external thread of the hub, so that the servo brake has better connection firmness, plays a good braking effect, has better matching performance between the brake and the hub, in addition, the cladding of protection dress trim cover constitutes a closed cavity structures in brake disc, brake shoe group, and this application servant brake and dustcoat wholeness are stronger, and inside brake and fixed plate, brake disc can effectively be protected to protection chamber lid mechanism, increase of service life, and the peripheral extension of shield has apron abnormal shape lace, can block debris such as rainwater, mashed mud, more is applicable to the automotive vehicle field and uses.
The foregoing is illustrative and explanatory of the invention and is not intended to limit the advantages attainable thereby, and it is within the scope of the present application to practice the invention with simple modifications to the structure and/or one or more of the advantages achieved in some embodiments.
Claims (7)
1. A bicycle rear wheel servant brake, characterized in that: the brake shoe set is composed of a brake disc (1), a brake shoe set group (2) and a protection cavity cover mechanism (3), wherein the brake shoe set group (2) and the brake disc (1) are arranged in the protection cavity cover mechanism (3), the protection cavity cover mechanism (3) is composed of a protection decorative cover (301) and a dustproof cover (302), a fixing plate (4) is arranged at the lower end of the protection decorative cover (301), an interference hole (303) is formed in the protection decorative cover (301), a middle shaft hole (304) is formed in the middle of the brake shoe set group (2) and the brake disc (1), the protection decorative cover (301), the dustproof cover (302), the brake disc (1) and the brake shoe set group (2) are sequentially and axially assembled, one end of a rear wheel servant brake is installed and matched through a hub (5), a main shaft (501) is arranged on the hub (5), the rear wheel servant brake penetrates through the interference hole (303) and the middle shaft hole (304) to be connected with the hub (5) through the main shaft (, the brake disc is characterized in that inner threaded parts (305) are arranged at middle shafts of the dustproof cover (302) and the brake disc (1), the inner threaded parts (305) are in matched connection with external threads of the hub (5), the protective decorative cover (301) covers the brake disc (1) and the brake shoe block group (2) to form a closed cavity structure, and cover plate special-shaped laces (306) extend from the periphery of the dustproof cover (302).
2. The bicycle rear wheel servant brake of claim 1, wherein: the middle part of the protective decorative cover (301) is arranged to be an inward concave structure (307), and the periphery of the protective decorative cover (301) is arranged to be a U-shaped outward convex cavity structure (308).
3. The bicycle rear wheel servant brake of claim 1, wherein: a buffer reinforcing piece (311) is arranged between the concave structure (307) and the U-shaped convex cavity structure (308), and a concave transition arc edge plate (312) is arranged on the curved edge of the U-shaped convex cavity structure (308).
4. The bicycle rear wheel servant brake of claim 1, wherein: and a reinforcing edge (309) and a fixing block (310) are arranged on one side of the fixing plate (4).
5. The bicycle rear wheel servant brake of claim 1, wherein: the concave structure (307) is provided with a fixing hole (313), and the protective decorative cover (301) and the fixing plate (4) are connected through the fixing hole (313) by a screw (6).
6. The bicycle rear wheel servant brake of claim 1, wherein: and a camshaft protection fixing piece (314) is arranged on the protection decorative cover (301).
7. The bicycle rear wheel servant brake of claim 1, wherein: an observation hole (315) is arranged on the U-shaped convex cavity structure (308).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020701891.4U CN213139048U (en) | 2020-04-30 | 2020-04-30 | Bicycle rear wheel servant brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020701891.4U CN213139048U (en) | 2020-04-30 | 2020-04-30 | Bicycle rear wheel servant brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213139048U true CN213139048U (en) | 2021-05-07 |
Family
ID=75708468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020701891.4U Active CN213139048U (en) | 2020-04-30 | 2020-04-30 | Bicycle rear wheel servant brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213139048U (en) |
-
2020
- 2020-04-30 CN CN202020701891.4U patent/CN213139048U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: JIANGSU ZHETHAI ELECTRICAL TECHNOLOGY CO.,LTD. Assignor: KARASAWA TRAFFIC EQUIPMENT (TAIZHOU) Co.,Ltd. Contract record no.: X2024980017924 Denomination of utility model: A bicycle rear wheel follow-up brake Granted publication date: 20210507 License type: Common License Record date: 20241011 |