CN214241125U - Double-hub brake structure with efficient brake performance - Google Patents
Double-hub brake structure with efficient brake performance Download PDFInfo
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- CN214241125U CN214241125U CN202022601661.3U CN202022601661U CN214241125U CN 214241125 U CN214241125 U CN 214241125U CN 202022601661 U CN202022601661 U CN 202022601661U CN 214241125 U CN214241125 U CN 214241125U
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- hub brake
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Abstract
The utility model discloses a two hub brake structures with high-efficient brake performance. The technical scheme of the utility model is that: the hub brake device comprises a shaft, wherein a first bearing and a second bearing are arranged on the shaft, the first bearing and the second bearing are connected with a hub together, a sleeve which is sleeved on the shaft is arranged between the first bearing and the second bearing, a first placing groove and a second placing groove are formed in the inner wall of the hub along the radial symmetry of the shaft, hub brake friction rings are arranged in the placing grooves and the second placing groove respectively, two sides of the hub are connected with hub brake covers which are sleeved on the shaft respectively, the two hub brake covers are connected with rotating blocks which are located in the hub respectively, brake pads which can be contacted with the hub brake friction rings are arranged on the rotating blocks, the two hub brake covers are connected with sleeves which can be abutted to the outer sides of the first bearing and the second bearing respectively, and the inner sides of the first bearing and the second bearing are abutted to the sleeve respectively. The utility model provides a scheme structure is more stable and brake performance is good.
Description
Technical Field
The utility model relates to an electric scooter brake technical field, in particular to two hub brake structures with high-efficient brake performance.
Background
The brake principle of the hub brake of the electric scooter is that the brake hub is pulled or pushed in the brake hub to enable shoe blocks on two sides of the brake hub to be tightly attached to the inner wall of a wheel, so that the brake effect is achieved. The wheel is rolling forward, and forward rolling power can reverse action brake hub, and along with inside comprehensive contact of brake hub and wheel, the braking power can grow in the twinkling of an eye, and the braking effect is obvious, and the advantage that the hub was stopped is that the brake dynamics is big, can in time stop. However, the hub brake structure of the electric scooter in the prior art is complex, the assembly is complex, the friction force is very large due to the small friction area between the brake pad and the inner wall of the hub when the electric scooter is used, the loss is large after the electric scooter is used for a long time, and the noise is easy to generate.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model discloses a main aim at provides a stable in structure brake performance is good high-efficient brake performance's two hub brake structures.
In order to achieve the above purpose, the utility model provides a following technical scheme: a double-hub brake structure with high-efficiency brake performance comprises a shaft, wherein a first bearing and a second bearing are arranged on the shaft, the first bearing and the second bearing are connected with a hub together, a sleeve sleeved on the shaft is arranged between the first bearing and the second bearing, a first placing groove and a second placing groove are symmetrically arranged on the inner wall of the hub along the radial direction of the shaft, hub brake friction rings are arranged in the first placing groove and the second placing groove, two sides of the hub are respectively connected with hub brake covers sleeved on the shaft, the two hub brake covers are respectively connected with rotating blocks positioned in the hub, brake pads capable of being in contact with the hub brake friction rings are arranged on the rotating blocks, the brake pads and the rotating blocks form shoe blocks, the cross section of each shoe block is in a cam shape, and the two hub brake covers are respectively connected with sleeves capable of being abutted against the outer sides of the first bearing and the second bearing, the inner sides of the first bearing and the second bearing are respectively abutted with the sleeve.
Preferably, the hub brake friction plate and the brake pad are both wear-resistant metal sheets.
Preferably, the hub brake cover is provided with a protection cavity capable of covering the hub brake friction ring.
The utility model discloses following advantage has for prior art, wheel hub is symmetrical structure, and its structural strength is stronger. Be provided with first standing groove and second standing groove in the wheel hub, respectively inlay a hub brake friction ring in first standing groove and the second standing groove in wheel hub, the brake block that two hub brake covers can rub with hub brake friction ring simultaneously, thereby brake this wheel, first bearing, the sleeve pipe, the second bearing, wheel hub and hub brake cover coaxial arrangement in proper order can, this scheme is simple and quick for prior art assembly, and when braking, two rotating blocks of brake cable pulling rotate, two rotating blocks drive the brake block and rotate and hub brake friction ring contact, because resistance makes wheel hub stop, compare in the mode of brake block direct and wheel hub inner wall direct contact among the prior art, have the advantage that wearing and tearing are little and wheel hub itself generates heat for a short time and avoid warping. The purpose that sets up two standing grooves and two hub brake friction rings is that the friction area who makes the brake block is bigger, further improves the braking dynamics to two hub brake friction rings can make the atress between wheel hub and the axle more balanced, and the brake is more steady. The hub brake friction plate and the brake pad are both wear-resistant metal sheets, so that the advantages of reducing wear and prolonging the service life of the hub brake friction plate and the brake pad are achieved. The hub brake cover is provided with a protection cavity capable of covering the hub brake friction ring, and the protection cavity can play a role in preventing water and foreign matters from covering the hub brake friction ring.
Drawings
Fig. 1 is the structure diagram of the double-hub brake structure with high-efficient braking performance of the utility model.
In the figure: 1. a shaft; 2. a first bearing; 3. a second bearing; 4. a hub; 5. a sleeve; 6. a first placing groove; 7. a second placing groove; 8. a hub-brake friction ring; 9. a hub brake cover; 10. rotating the block; 11. a brake pad; 12. a sleeve; 13. and protecting the cavity.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in FIG. 1, a double-hub brake structure with high-efficiency braking performance comprises a shaft 1, wherein a first bearing 2 and a second bearing 3 are arranged on the shaft 1, the first bearing 2 and the second bearing 3 are jointly connected with a hub 4, a sleeve 5 sleeved on the shaft 1 is arranged between the first bearing 2 and the second bearing 3, a first placing groove 6 and a second placing groove 7 are symmetrically arranged on the inner wall of the hub 4 along the radial direction of the shaft 1, hub brake friction rings 8 are respectively arranged in the first placing groove 6 and the second placing groove 7, hub brake covers 9 sleeved on the shaft 1 are respectively connected to two sides of the hub 4, two hub brake covers 9 are respectively connected with rotating blocks 10 located in the hub 4, brake pads 11 capable of contacting with the hub brake friction rings 8 are arranged on the rotating blocks 10, the brake pads 11 and the rotating blocks 10 form a shoe block, and the cross section of the shoe block is in a cam shape, the two hub brake covers 9 are respectively connected with a sleeve 12 which can be abutted with the outer sides of the first bearing 2 and the second bearing 3, and the inner sides of the first bearing 2 and the second bearing 3 are respectively abutted with the sleeve 5.
Preferably, the hub brake friction plate and the brake pad 11 are both wear-resistant metal plates.
Preferably, a protection cavity 13 capable of covering the hub brake friction ring 8 is arranged on the hub brake cover 9.
The double-hub brake structure with the high-efficiency brake performance is characterized in that the hub 4 is of a symmetrical structure, and the structural strength is stronger. Be provided with first standing groove 6 and second standing groove 7 in wheel hub 4, respectively inlay a hub brake friction ring 8 in first standing groove 6 and the second standing groove 7 in wheel hub 4, brake block 11 on two hub brake covers 9 can rub with hub friction ring 8 simultaneously, thereby brake this wheel, first bearing 2, the sleeve pipe 5, second bearing 3, wheel hub 4 and hub brake cover 9 coaxial arrangement in proper order can, this scheme is simple and quick for prior art assembly, and when braking, two rotor blocks 10 of brake cable pulling rotate, two rotor blocks 10 drive brake block 11 and rotate and hub brake friction ring contact, because resistance makes wheel hub 4 stop, compare in the mode of brake block 11 direct and wheel hub 4 inner wall direct contact among the prior art, have the advantage that the wearing and tearing are little and wheel hub 4 itself generates heat and avoids the deformation. The purpose of setting up two standing grooves and two hub brake friction rings 8 is to make the frictional area of brake block 11 bigger, further improves the braking dynamics to two hub brake friction rings 8 can make the atress between wheel hub 4 and the axle 1 more balanced, and the brake is more steady. The two bearings can be firmly fixed by the two sleeves 12 and the sleeve 5, the overall stability is guaranteed, and the hub brake friction plate and the brake pad 11 are made of wear-resistant metal sheets, so that the advantages of reducing wear and prolonging the service life of the hub brake friction plate and the brake pad 11 are achieved. The hub brake cover 9 is provided with a protection cavity 13 capable of covering the hub brake friction ring 8, and the protection cavity can play a role in preventing water and foreign matters from covering the hub brake friction ring 8.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (3)
1. The utility model provides a two hub brake structures with high-efficient brake performance which characterized in that: comprises a shaft, a first bearing and a second bearing are arranged on the shaft, the first bearing and the second bearing are connected with a wheel hub together, a sleeve sleeved on the shaft is arranged between the first bearing and the second bearing, a first placing groove and a second placing groove are symmetrically arranged on the inner wall of the hub along the radial direction of the shaft, the first and second placing grooves are respectively provided with a hub friction ring, two sides of the hub are respectively connected with a hub braking cover sleeved on the shaft, the two hub braking covers are respectively connected with a rotating block positioned in the hub, the rotating block is provided with a brake pad which can be contacted with the hub brake friction ring, the brake pad and the rotating block form a shoe block, the cross section of the shoe block is in a cam shape, the two hub brake covers are respectively connected with a sleeve capable of being abutted against the outer sides of the first bearing and the second bearing, and the inner sides of the first bearing and the second bearing are respectively abutted against the sleeve.
2. A double-hub brake structure with efficient braking performance as claimed in claim 1, wherein: the hub brake friction plate and the brake pad are both wear-resistant metal sheets.
3. A double-hub brake structure with efficient braking performance as claimed in claim 1, wherein: the hub brake cover is provided with a protection cavity capable of covering a hub brake friction ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022601661.3U CN214241125U (en) | 2020-11-11 | 2020-11-11 | Double-hub brake structure with efficient brake performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022601661.3U CN214241125U (en) | 2020-11-11 | 2020-11-11 | Double-hub brake structure with efficient brake performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214241125U true CN214241125U (en) | 2021-09-21 |
Family
ID=77732054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022601661.3U Active CN214241125U (en) | 2020-11-11 | 2020-11-11 | Double-hub brake structure with efficient brake performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214241125U (en) |
-
2020
- 2020-11-11 CN CN202022601661.3U patent/CN214241125U/en active Active
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