CN218967113U - Electric tricycle wheel hub with protection of sudden braking - Google Patents

Electric tricycle wheel hub with protection of sudden braking Download PDF

Info

Publication number
CN218967113U
CN218967113U CN202320027246.2U CN202320027246U CN218967113U CN 218967113 U CN218967113 U CN 218967113U CN 202320027246 U CN202320027246 U CN 202320027246U CN 218967113 U CN218967113 U CN 218967113U
Authority
CN
China
Prior art keywords
limiting
plate
hub
tricycle
fixedly arranged
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.)
Active
Application number
CN202320027246.2U
Other languages
Chinese (zh)
Inventor
卢萌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Xingsheng Sports Equipment Co ltd
Original Assignee
Tianjin Xingsheng Sports Equipment Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tianjin Xingsheng Sports Equipment Co ltd filed Critical Tianjin Xingsheng Sports Equipment Co ltd
Priority to CN202320027246.2U priority Critical patent/CN218967113U/en
Application granted granted Critical
Publication of CN218967113U publication Critical patent/CN218967113U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Braking Arrangements (AREA)

Abstract

The utility model discloses an electric tricycle hub with emergency brake protection, which relates to the field of hubs and comprises a tricycle hub, wherein a hub support frame is arranged on the tricycle hub, a brake structure is fixedly arranged on the tricycle hub, the brake structure is fixedly arranged on the hub support frame, and two fixing blocks are fixedly arranged on the brake structure. According to the utility model, through the arrangement of the structures such as the air cylinder, the brake disc, the friction plate and the like, the air cylinder is started when sudden braking is performed, the output end of the air cylinder can uniformly push the brake disc to be close to the friction plate, so that the contact between the brake disc and the friction plate is more and more compact, the friction force between the brake disc and the friction plate is changed from small to large, a changing process is provided, the tire is forced to stop by the brake plate of the direct and rapid friction wheel hub, the vehicle can be rapidly decelerated, the sudden stopping effect is achieved, the phenomenon of skidding caused by the direct forced stopping of the tricycle wheel hub is avoided, and the protection effect and safety on the vehicle and personnel are improved.

Description

Electric tricycle wheel hub with protection of sudden braking
Technical Field
The utility model relates to the technical field of hubs, in particular to an electric tricycle hub with emergency brake protection.
Background
The hub is a barrel-shaped metal part whose inner contour supports the tire, the center of which is mounted on a shaft, also known as a rim, a wheel and a tire bell, and there are many kinds of hubs according to the diameter, width, molding method and material of the hub.
In the prior art, when the existing tricycle needs to be suddenly braked in the running process, the hand brake is pinched to enable the brake block to be rapidly rubbed with the brake disc on the hub to brake, and the existing tricycle does not have any buffer margin, and although the tire can be rapidly stopped rotating, the vehicle or a person can have unbalance under the action of inertia, even the tire can be caused to slip, and the existing tricycle has certain potential safety hazard, so that the electric tricycle hub with the sudden brake protection is required to meet the demands of people.
Disclosure of Invention
The utility model aims to provide an electric tricycle hub with sudden braking protection, which aims to solve the problems that during sudden braking in the prior art, a brake block quickly rubs with a brake disc on the hub to brake, and has no buffer room, and although a tire can be quickly stopped rotating, if the running speed is high, inertia is high, unbalance between a vehicle and a person is caused, and safety is poor.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an electric tricycle wheel hub with protection of sudden braking, includes tricycle wheel hub, be equipped with the wheel hub support frame on the tricycle wheel hub, fixed mounting has brake structure on the tricycle wheel hub, brake structure fixed mounting is on the wheel hub support frame, and brake structure is last to have two fixed blocks, and one side that two fixed blocks are close to each other rotates and installs same upset limit structure, and two sliding plates of movable mounting have location structure on the upset limit structure on two sliding plates.
Preferably, the brake structure comprises four cylinders, the four cylinders are fixedly arranged on one side of a tricycle hub, the output ends of the four cylinders are fixedly provided with the same brake disc, the hub support frame is fixedly provided with a fixing plate, one side of the fixing plate is movably provided with a friction plate, and the friction plate corresponds to the brake disc.
Preferably, two positioning holes are formed in the friction plate, positioning rods are movably mounted in the two positioning holes, and the two positioning rods are fixedly mounted on one side of the fixing plate.
Preferably, the turnover limiting structure comprises two limiting blocks, the two limiting blocks are respectively and fixedly arranged on one sides of the two fixing blocks, which are close to each other, the two limiting blocks are rotatably provided with the same turnover plate, one side of the turnover plate is fixedly provided with a baffle, and the baffle is contacted with one ends of the two positioning rods.
Preferably, the two sides of the turnover plate are provided with limiting grooves, and the two limiting blocks are respectively and rotatably arranged in the two limiting grooves.
Preferably, the turning plate is provided with a rotating hole, a connecting shaft is rotatably installed in the rotating hole, two ends of the connecting shaft are respectively and fixedly installed on one side, close to each other, of the two limiting blocks, a torsion spring is fixedly sleeved on the connecting shaft, one end of the torsion spring is fixedly installed on the inner wall of the rotating hole, and the other end of the torsion spring is fixedly installed on the connecting shaft.
Preferably, the positioning structure comprises two limiting plates, wherein the two limiting plates are fixedly arranged on one side of the friction plate, limiting rods are slidably arranged on the two limiting plates, the two limiting rods are fixedly arranged on one sides of the two sliding plates, which are far away from each other, the two fixed inserting blocks are fixedly arranged on one sides of the two sliding plates, which are close to each other, the two fixed inserting blocks are respectively arranged on two sides of the turnover plate, the four fixed inserting blocks are movably arranged in the four fixed inserting blocks respectively, and the two sliding plates are slidably arranged on one side of the friction plate.
Preferably, the limiting plate is provided with a sliding hole, the limiting rod is slidably arranged in the sliding hole, the limiting rod is slidably sleeved with an auxiliary spring, and two ends of the auxiliary spring are fixedly arranged on one side, close to the limiting plate and the sliding plate, respectively.
The beneficial effects of the utility model are as follows:
according to the utility model, through the arrangement of the structures such as the air cylinder, the brake disc, the friction plate and the like, the air cylinder is started when sudden braking is performed, the output end of the air cylinder can uniformly push the brake disc to be close to the friction plate, so that the contact between the brake disc and the friction plate is more and more compact, the friction force between the brake disc and the friction plate is changed from small to large, a changing process is provided, the tire is forced to stop by the brake plate of the direct and rapid friction wheel hub, the vehicle can be rapidly decelerated, the sudden stopping effect is achieved, the phenomenon of skidding caused by the direct forced stopping of the tricycle wheel hub is avoided, and the protection effect and safety to the vehicle and personnel are improved.
According to the utility model, through the arrangement of the structures such as the positioning rod, the overturning plate and the sliding plate, when the friction plate is seriously worn, the two sliding plates can be pushed to release the limit on the overturning plate, and the overturning plate can be overturned under the action of the torsion spring at the moment, so that the baffle is driven to be far away from the positioning rod, one side of the friction plate is not shielded, and the friction plate can be pushed to be taken out from the positioning rod for replacement at the moment, thereby realizing quick replacement without influencing the subsequent use.
Drawings
Fig. 1 is a schematic structural diagram of an electric tricycle hub with emergency brake protection according to the present utility model;
fig. 2 is a schematic diagram of a partial structure of an electric tricycle hub with emergency brake protection according to the present utility model;
fig. 3 is a schematic structural diagram of a friction plate portion of an electric tricycle hub with sudden braking protection according to the present utility model;
fig. 4 is a schematic structural diagram of a turnover plate portion of an electric tricycle hub with emergency brake protection according to the present utility model;
fig. 5 is a schematic cross-sectional view of a turnover plate of an electric tricycle hub with emergency brake protection according to the present utility model.
In the figure: 100. a tricycle hub; 101. a hub support frame; 200. a cylinder; 201. a brake disc; 202. a fixing plate; 203. a friction plate; 204. positioning holes; 205. a positioning rod; 300. a fixed block; 301. a turnover plate; 302. a baffle; 303. a limiting groove; 304. a limiting block; 305. a rotation hole; 306. a connecting shaft; 307. a torsion spring; 400. a limiting plate; 401. a limit rod; 402. a sliding plate; 403. fixing the insert block; 404. a fixed slot; 405. an auxiliary spring; 406. and a sliding hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1 to 5, an electric tricycle hub with sudden braking protection comprises a tricycle hub 100, a hub supporting frame 101 is arranged on the tricycle hub 100, a braking structure is fixedly arranged on the tricycle hub 100, the braking structure is fixedly arranged on the hub supporting frame 101, two fixing blocks 300 are fixedly arranged on the braking structure, one side, close to each other, of the two fixing blocks 300 is rotatably provided with a same overturning limiting structure, two sliding plates 402 are movably arranged on the overturning limiting structure, positioning structures are movably arranged on the two sliding plates 402, the tricycle hub 100 rotates when the tricycle runs, the tricycle hub 100 drives a brake disc 201 to rotate through a cylinder 200 while rotating, the cylinder 200 is started when the sudden braking is needed, the output end of the cylinder 200 uniformly pushes the brake disc 201 to be close to a friction plate 203, so that friction force between the brake disc 201 and the friction plate 203 is changed from small to large, when the friction plate 203 is worn, the sliding plates 402 on two sides are pulled, the two moving sliding plates 402 respectively drive the limiting rods 401 on two sides to slide in the sliding holes 406 on the two limiting plates 400, so that the sliding plates 402 can only slide in the horizontal direction, the sliding plates 402 can drive the auxiliary springs 405 to compress while the sliding plates 402 slide, bending can be prevented when the auxiliary springs 405 compress through the limiting rods 401, the two moving sliding plates 402 respectively drive the four fixed inserting blocks 403 to be far away from the fixed inserting grooves 404 on two sides of the turnover plate 301, so that the restriction on the turnover plate 301 can be relieved, the torsion springs 307 can drive the turnover plate 301 to turn over at the moment, the turnover plate 301 can rotate on the connecting shaft 306 through the rotating holes 305, the effect of rotation is realized, the turnover plate 301 is ensured not to be separated when rotating, the overturning plate 301 rotates and simultaneously rotates on the two limiting blocks 304 through the two limiting grooves 303, so that the phenomenon that the overturning plate 301 is offset in the rotating process is avoided, the overturning plate 301 which continuously overturns can drive the baffle plate 302 to move, the baffle plate 302 is far away from one ends of the two positioning rods 205, the limitation on the friction plate 203 can be relieved at the moment, the friction plate 203 is pulled, the two positioning holes 204 on the friction plate 203 are far away from the two positioning rods 205, and the friction plate 203 can be taken out for replacement.
Referring to fig. 1-2, further, the brake structure includes four cylinders 200, four cylinders 200 are all fixedly installed on one side of a tricycle hub 100, the same brake disc 201 is fixedly installed at the output ends of the four cylinders 200, a fixing plate 202 is fixedly installed on a hub supporting frame 101, a friction plate 203 is movably installed on one side of the fixing plate 202, the friction plate 203 corresponds to the brake disc 201, the tricycle hub 100 rotates when the tricycle runs, the tricycle hub 100 drives the brake disc 201 to rotate through the cylinders 200 while rotating, the cylinders 200 are started when sudden braking is needed, the output ends of the cylinders 200 can uniformly push the brake disc 201 to be close to the friction plate 203, friction force between the brake disc 201 and the friction plate 203 is increased from small, and the vehicle achieves a sudden stopping effect.
Referring to fig. 3, further, two positioning holes 204 are formed in the friction plate 203, positioning rods 205 are movably mounted in the two positioning holes 204, the two positioning rods 205 are fixedly mounted on one side of the fixing plate 202, and the positions of the friction plate 203 can be limited by matching the positioning holes 204 with the positioning rods 205, so that the friction plate 203 is prevented from being deviated.
Referring to fig. 2 to 5, further, the turnover limiting structure includes two limiting blocks 304, the two limiting blocks 304 are respectively and fixedly installed at one side of the two fixing blocks 300, the same turnover plate 301 is rotatably installed on the two limiting blocks 304, a baffle 302 is fixedly installed at one side of the turnover plate 301, the baffle 302 is contacted with one ends of the two positioning rods 205, the torsion spring 307 drives the turnover plate 301 to turn over, the turnover plate 301 turns on the connecting shaft 306 through the turning hole 305, thereby realizing the turning effect, ensuring that the turnover plate 301 cannot be separated when turning, the turnover plate 301 rotates on the two limiting blocks 304 through the two limiting grooves 303 while turning, further ensuring that no offset occurs in the turning process of the turnover plate 301, the continuously turned turnover plate 301 can drive the baffle 302 to move, so that the baffle 302 is far away from one ends of the two positioning rods 205, at the moment, the limitation on the friction plate 203 can be released, and then the friction plate 203 is pulled, so that the two positioning holes 204 on the friction plate 203 are far away from the two positioning rods 205, and the friction plate 203 can be taken out for replacement.
Referring to fig. 4-5, further, both sides of the overturning plate 301 are provided with limiting grooves 303, two limiting blocks 304 are respectively rotatably installed in the two limiting grooves 303, and the overturning plate 301 rotates and simultaneously rotates on the two limiting blocks 304 through the two limiting grooves 303, so that the phenomenon that the overturning plate 301 is offset in the rotating process is avoided.
Referring to fig. 5, further, a rotation hole 305 is formed in the turnover plate 301, a connecting shaft 306 is rotatably mounted in the rotation hole 305, two ends of the connecting shaft 306 are respectively and fixedly mounted on one side of the two limiting blocks 304, which are close to each other, a torsion spring 307 is fixedly sleeved on the connecting shaft 306, one end of the torsion spring 307 is fixedly mounted on the inner wall of the rotation hole 305, the other end of the torsion spring 307 is fixedly mounted on the connecting shaft 306, when the limitation on the turnover plate 301 is released, the torsion spring 307 drives the turnover plate 301 to turn over, and the turnover plate 301 turns over on the connecting shaft 306 through the rotation hole 305, so that a turning effect is achieved, and the turnover plate 301 is ensured not to be separated during turning.
Referring to fig. 2-3, further, the positioning structure includes two limiting plates 400, two limiting plates 400 are all fixedly installed on one side of the friction plate 203, limiting rods 401 are all slidably installed on two limiting plates 400, two limiting rods 401 are respectively fixedly installed on one side, away from each other, of two sliding plates 402, two fixed inserting blocks 403 are all fixedly installed on one side, close to each other, of two sliding plates 402, two fixing slots 404 are respectively formed in two sides of the turnover plate 301, four fixing inserting blocks 403 are respectively movably installed in four fixing slots 404, two sliding plates 402 are respectively slidably installed on one side of the friction plate 203, when the friction plate 203 is worn, the sliding plates 402 on two sides are pulled, the moving two sliding plates 402 can respectively drive the limiting rods 401 on two limiting plates 400 to slide in the sliding holes 406 on two limiting plates 402, so that the sliding plates 402 can only slide in the horizontal direction, the sliding plates 402 can simultaneously drive the auxiliary springs 405 to compress, the two sliding plates 402 can respectively drive the four fixing inserting blocks 403 to separate from the turnover plate 301 when the auxiliary springs 405 compress, and the two sliding plates can be prevented from being turned over, and the two sides of the turnover plate 301 can be removed from being fixed.
Referring to fig. 3, further, a sliding hole 406 is formed in the limiting plate 400, the limiting rod 401 is slidably mounted in the sliding hole 406, an auxiliary spring 405 is slidably sleeved on the limiting rod 401, two ends of the auxiliary spring 405 are fixedly mounted on one side, close to the limiting plate 400 and the sliding plate 402, of each limiting plate 400 respectively, the two moving sliding plates 402 can drive the limiting rods 401 on two sides to slide in the sliding holes 406 on the two limiting plates 400 respectively, the sliding plates 402 can only slide in the horizontal direction, the sliding plates 402 can drive the auxiliary spring 405 to compress while sliding, and bending of the auxiliary spring 405 can be prevented when the limiting rod 401 compresses.
The working principle of the utility model is as follows:
when the tricycle runs, the tricycle hub 100 can rotate, the tricycle hub 100 can drive the brake disc 201 to rotate through the air cylinder 200 while rotating, the air cylinder 200 is started when sudden braking is needed, the output end of the air cylinder 200 can uniformly push the brake disc 201 to be close to the friction plate 203, friction force between the brake disc 201 and the friction plate 203 is changed from small to large, the vehicle achieves a sudden stop effect, when the friction plate 203 is worn, the sliding plates 402 on two sides are pulled, the two moving sliding plates 402 can respectively drive the limiting rods 401 on two sides to slide in the sliding holes 406 on the two limiting plates 400, the sliding plates 402 can only slide in the horizontal direction, the sliding plates 402 can simultaneously drive the auxiliary springs 405 to compress, bending of the auxiliary springs 405 can be prevented when the auxiliary springs 405 compress through the limiting rods 401, the two movable sliding plates 402 can respectively drive the four fixed inserting blocks 403 to be far away from the fixed inserting grooves 404 on two sides of the turnover plate 301, so that the restriction on the turnover plate 301 can be relieved, at the moment, the torsion spring 307 can drive the turnover plate 301 to turn over, the turnover plate 301 can rotate on the connecting shaft 306 through the rotating hole 305, thereby realizing the rotating effect, ensuring that the turnover plate 301 can not be separated when rotating, ensuring that the turnover plate 301 rotates on the two limiting blocks 304 through the two limiting grooves 303, further ensuring that the turnover plate 301 can not deviate in the rotating process, and the continuously turned turnover plate 301 can drive the baffle plate 302 to move, so that the baffle plate 302 is far away from one end of the two positioning rods 205, at the moment, the restriction on the friction plate 203 can be relieved, and then the friction plate 203 is pulled, so that the two positioning holes 204 on the friction plate 203 are far away from the two positioning rods 205, and the friction plate 203 can be taken out for replacement.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (8)

1. The utility model provides an electric tricycle wheel hub with protection of sudden braking, includes tricycle wheel hub (100), be equipped with wheel hub support frame (101), its characterized in that on tricycle wheel hub (100): the tricycle is characterized in that a brake structure is fixedly mounted on the tricycle hub (100), the brake structure is fixedly mounted on the hub supporting frame (101), two fixing blocks (300) are fixedly mounted on the brake structure, one side, close to each other, of the two fixing blocks (300) is rotatably mounted with the same overturning limiting structure, two sliding plates (402) are movably mounted on the overturning limiting structure, and positioning structures are movably mounted on the two sliding plates (402).
2. The electric tricycle hub with emergency brake protection of claim 1, wherein: the brake structure comprises four air cylinders (200), wherein the four air cylinders (200) are fixedly arranged on one side of a tricycle hub (100), the output ends of the four air cylinders (200) are fixedly provided with the same brake disc (201), a fixing plate (202) is fixedly arranged on a hub supporting frame (101), a friction plate (203) is movably arranged on one side of the fixing plate (202), and the friction plate (203) corresponds to the brake disc (201).
3. The electric tricycle hub with emergency brake protection of claim 2, wherein: two locating holes (204) are formed in the friction plate (203), locating rods (205) are movably mounted in the two locating holes (204), and the two locating rods (205) are fixedly mounted on one side of the fixing plate (202).
4. The electric tricycle hub with emergency brake protection of claim 1, wherein: the overturning limiting structure comprises two limiting blocks (304), the two limiting blocks (304) are respectively and fixedly arranged on one sides of the two fixed blocks (300) close to each other, the two limiting blocks (304) are rotatably provided with the same overturning plate (301), one side of the overturning plate (301) is fixedly provided with a baffle plate (302), and the baffle plate (302) is contacted with one ends of the two positioning rods (205).
5. The electric tricycle hub with emergency brake protection of claim 4, wherein: limiting grooves (303) are formed in two sides of the overturning plate (301), and two limiting blocks (304) are respectively installed in the two limiting grooves (303) in a rotating mode.
6. The electric tricycle hub with emergency brake protection of claim 4, wherein: the turnover plate (301) is provided with a rotation hole (305), the rotation hole (305) is rotationally provided with a connecting shaft (306), two ends of the connecting shaft (306) are respectively and fixedly arranged on one sides of the two limiting blocks (304) which are close to each other, the connecting shaft (306) is fixedly sleeved with a torsion spring (307), one end of the torsion spring (307) is fixedly arranged on the inner wall of the rotation hole (305), and the other end of the torsion spring (307) is fixedly arranged on the connecting shaft (306).
7. The electric tricycle hub with emergency brake protection of claim 1, wherein: the positioning structure comprises two limiting plates (400), wherein the two limiting plates (400) are fixedly arranged on one side of a friction plate (203), limiting rods (401) are slidably arranged on the two limiting plates (400), the two limiting rods (401) are fixedly arranged on one sides of the two sliding plates (402) which are far away from each other, two fixed inserting blocks (403) are fixedly arranged on one sides of the two sliding plates (402) which are close to each other, two fixing inserting slots (404) are formed in two sides of the overturning plate (301), the four fixing inserting blocks (403) are movably arranged in the four fixing inserting slots (404), and the two sliding plates (402) are slidably arranged on one side of the friction plate (203).
8. The electric tricycle hub with emergency brake protection of claim 7, wherein: the limiting plate (400) is provided with a sliding hole (406), the limiting rod (401) is slidably arranged in the sliding hole (406), the limiting rod (401) is slidably sleeved with an auxiliary spring (405), and two ends of the auxiliary spring (405) are fixedly arranged on one side, close to each other, of the limiting plate (400) and the sliding plate (402).
CN202320027246.2U 2023-01-06 2023-01-06 Electric tricycle wheel hub with protection of sudden braking Active CN218967113U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320027246.2U CN218967113U (en) 2023-01-06 2023-01-06 Electric tricycle wheel hub with protection of sudden braking

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320027246.2U CN218967113U (en) 2023-01-06 2023-01-06 Electric tricycle wheel hub with protection of sudden braking

Publications (1)

Publication Number Publication Date
CN218967113U true CN218967113U (en) 2023-05-05

Family

ID=86164240

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320027246.2U Active CN218967113U (en) 2023-01-06 2023-01-06 Electric tricycle wheel hub with protection of sudden braking

Country Status (1)

Country Link
CN (1) CN218967113U (en)

Similar Documents

Publication Publication Date Title
CN211648846U (en) Anti-lock drum brake
CN218967113U (en) Electric tricycle wheel hub with protection of sudden braking
JPS60163713A (en) Tire fixture
CA2141829A1 (en) Orientation-Free Brake Mechanism
CN202378847U (en) Braking system for automobile crane
CN112964986A (en) Testing device for hub motor of electric automobile
CN111075859B (en) Bidirectional double-collar shoe type drum brake
CN207053314U (en) A kind of novel conical rotor braking motor
CN211764729U (en) Auxiliary frame for fastening and mounting automobile mechanical parts
CN113062937A (en) Speed limiting wheel
CN112265599B (en) Anti-lock braking device for front brake of bicycle
CN212985868U (en) Brake shoe block for electric tricycle
CN212225828U (en) Strong balance brake device
CN218967074U (en) Front wheel hub of electric tricycle with locking structure
CN209079869U (en) A kind of automobile forced brake device and load-carrying motor vehicle
CN221612625U (en) Automobile tire wear resistance detection device
CN221061725U (en) Synchronous brake device of truck model
CN220973808U (en) Bicycle rim capable of preventing brake pad from slipping
CN216886079U (en) Caster convenient for assembling full-brake assembly module
CN221068354U (en) Auxiliary brake mechanism of electric bicycle wheel rolling motor
CN221660502U (en) Vibration/noise reduction luggage wheel with brake
CN214003500U (en) Iron sheet winding device
CN219055869U (en) Novel swivel castor
CN113202887B (en) New energy automobile arresting gear
CN203739860U (en) Hand brake mechanism of motor vehicle

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant