CN210734428U - Novel chainless bicycle - Google Patents
Novel chainless bicycle Download PDFInfo
- Publication number
- CN210734428U CN210734428U CN201921641929.7U CN201921641929U CN210734428U CN 210734428 U CN210734428 U CN 210734428U CN 201921641929 U CN201921641929 U CN 201921641929U CN 210734428 U CN210734428 U CN 210734428U
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- front wheel
- frame
- rear wheel
- brake
- flywheel
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Abstract
The utility model discloses a novel chainless bicycle, including frame, handlebar, front wheel bearing structure, front wheel, rear wheel shell, rear wheel, saddle, brake structure, pedal structure, transmission structure. Wherein the handlebar is positioned at the upper end of the cylindrical hole at the front end of the frame; the front wheel supporting structure is positioned at the lower end of the cylindrical hole at the front end of the frame and is fixed with the handlebar to rotate synchronously, so that the front wheel is steered; the front wheel is positioned on the front wheel supporting structure; the rear wheel shell is positioned at the arc position of the lower end of the oblique beam of the frame, so that the transmission structure is protected; the rear wheel is positioned at the arc position of the lower end of the oblique beam of the frame; the saddle is positioned at one end of the frame cross beam; the brake structure is positioned at the lower end of the inclined beam of the frame, close to the rear wheel and the handlebar, so that the wheels are effectively braked; the pedal structure and the transmission structure are connected with each other and positioned at the disc position at the lower end of the frame, so that the rear wheel is driven to rotate.
Description
Technical Field
The utility model relates to a novel chainless bicycle belongs to the bicycle field.
Background
The bicycles sold in the market at present are various, and the increasing market demand stimulates the birth of novel bicycles. The novel chainless bicycle adopts the meshing transmission power between the gears on the two sides, so that the service life of the bicycle is prolonged; because the front and rear wheels of the bicycle have no spoke, the resistance is reduced during riding; the clothes are clean and sanitary, and the phenomenon of clamping clothes is avoided; the lubrication period of the chainless bicycle is far longer than that of a chain transmission bicycle; the chainless bicycle can also be applied to body-building exercises.
The traditional bicycle is generally in transmission modes such as chain transmission, crank transmission and the like, the transmission efficiency of the chain transmission is low, the phenomena of chain disengagement and the like are easily caused, and the problem always puzzles many riders; the lubrication period of the chain transmission bicycle is short; most of the existing bicycles transmit power on one side, so that the service life of parts such as a chain, a flywheel and the like is reduced.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the present invention provides a novel chainless bicycle, which adopts the engagement between the gears at the two sides to transmit power, effectively improves the transmission efficiency, and simultaneously prolongs the service life; the movable flywheels are arranged on two sides of the pedal shaft, and the rear wheels can overrun when torque transmission is stopped; the front wheel and the rear wheel are free of spokes, so that resistance generated in the riding process is reduced; the frame adopts the structure of cantilever beam, has a small amount of shock attenuation effect to the saddle.
In order to achieve the above object, the utility model provides a following technical scheme:
a novel chainless bicycle comprises a frame, and a handlebar, a front wheel supporting structure, a front wheel, a rear wheel shell, a rear wheel, a saddle, a brake structure, a pedal structure and a transmission structure which are arranged on the frame.
Preferably, the handlebar is installed at the upper end of the cylindrical hole at the front end of the frame; the front wheel supporting structure is arranged at the lower end of the cylindrical hole at the front end of the frame, and is fixed with the handlebar and synchronously rotates; mounting the front wheel at the front wheel support structure; the rear wheel shell is arranged at the arc position of the lower end of the inclined beam of the frame; the rear wheel is arranged at the arc position of the lower end of the oblique beam of the frame; the saddle is arranged at one end of the frame cross beam; one end of the brake structure is arranged at the lower end of the inclined beam of the frame, close to the rear wheel, and the other end of the brake structure is arranged at the position of the handlebar; the pedal structure and the transmission structure are matched with each other and are arranged at the position of a disc at the lower end of the frame.
Preferably, the front wheel support structure comprises a front wheel fixing upper part, an upward movement limiting sliding ball, an upward movement limiting bearing, a front wheel fixing lower part and a downward movement limiting bearing; the fixed upper part of the front wheel is arranged at the lower end of the cylindrical hole at the front end of the frame, and is fixed with the handlebar and synchronously rotates; the upward movement limiting sliding ball is matched with the upward movement limiting bearing through a pin and is arranged on two sides in the groove on the fixed upper part of the front wheel; the downward movement limiting bearing is connected and arranged at the middle position of the groove at the lower part of the front wheel fixing part through a pin; the fixed lower part of the front wheel is connected with the fixed upper part of the front wheel through a bolt.
Preferably, the grooves on both sides of the front wheel are tangentially installed with the upward movement limiting sliding ball and the upward movement limiting bearing; and the groove on the inner side of the front wheel is tangentially installed with the downward movement limiting bearing, so that the front wheel is fixed.
Preferably, the brake structure comprises a brake handle, a brake cable, a brake swing rod, a brake rubber block and a brake spring; the brake handle is arranged on the left side of the handlebar; one end of the brake cable is connected with the brake handle, and the other end of the brake cable is connected with the semicircular gap end of the brake swing rod; and the brake swing rod is arranged at a large fixing piece which is arranged at the lower end of the oblique beam of the frame, is close to the rear wheel and extends outwards.
Preferably, the transmission structure comprises a pedal shaft, a movable flywheel structure, a gear C, a gear B, a gear A, an intermediate shaft and a rear wheel shaft; the pedal shafts are arranged at the round holes of the disc at the lower end of the frame, and are symmetrically arranged at two sides; the two ends of the pedal shaft are respectively provided with the pedal structure and are fixed by nuts; the movable flywheel structures are symmetrically arranged on two sides of the pedal shaft; the inner hole of the movable flywheel structure is connected with the pedal shaft through a key; the inner hole of the gear C and the excircle of the movable flywheel structure are coaxially arranged and fixed by screws; the gears B are symmetrically arranged on two sides of the middle shaft in a key fit mode, and two ends of the middle shaft are arranged on the rear wheel shell; the gear B is meshed with the gear C and the gear A respectively; the gear A is arranged on the rear wheel shaft in the middle, and two ends of the gear A are arranged at large round holes of symmetrical supports at two sides behind the frame.
Preferably, the movable flywheel structure comprises a left flywheel and a right flywheel, wherein the left flywheel and the right flywheel comprise flywheel outer rings, flywheel spring pieces, flywheel inner rings, jack teeth and flywheel check rings; the inclination direction of the inner teeth of the outer ring of the flywheel is a left-side anticlockwise rotation direction and a right-side clockwise rotation direction, and the inner teeth are arranged on the pedal shaft; the flywheel elastic sheet is arranged at the small arc position of the inner ring of the flywheel; the jack teeth are arranged at the large arc position of the inner ring of the flywheel, and the inclined directions of the jack teeth are in the left-side anticlockwise rotation direction and the right-side clockwise rotation direction; the flywheel retainer ring is fixedly connected with the flywheel inner ring through bolts.
Preferably, the grooves on two sides of the rear wheel are tangentially installed with the upward movement limiting sliding ball and the upward movement limiting bearing; the upward movement limiting sliding ball is matched with the upward movement limiting bearing through a pin and is arranged at two positions of a small circular hole of a symmetrical support at the two sides of the rear part of the frame and a circular hole on the rear wheel shell; the inner teeth of the rear wheel are meshed with the gear A.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model provides a main structure that novel chainless bicycle, frame adopted is the combination of sloping and cantilever beam, and simple structure effectively alleviates the weight of bicycle itself, reduces the resistance that the in-process produced of riding. The front wheel supporting structure is fixed with the handlebar and synchronously rotates to realize steering, and the front wheel supporting structure simultaneously ensures that the front wheel rotates according to a groove track. The brake structure drives the brake cable to act by controlling the brake handle, so that the brake swing rod executes the brake action. The transmission structure realizes that the rear wheel is driven to rotate by the rotation of the gear, and the rear wheel is overrun by the movable flywheel when the transmission of torque is stopped. The front wheel adopts a structure with symmetrical grooves at two sides and an inner side groove, so that the front wheel can normally rotate under the front wheel supporting structure. The rear wheel adopts symmetrical recess of both sides and inside tooth, supports the rear wheel and passes through the meshing drive rear wheel rotation between the gear.
Drawings
FIG. 1 is a schematic view of the overall structure of the novel chainless bicycle;
FIG. 2 is a schematic view of a front wheel support structure of the novel chainless bicycle;
FIG. 3 is a schematic view of a brake structure of the novel chainless bicycle;
FIG. 4 is a schematic view of the transmission structure of the novel chainless bicycle;
fig. 5 is a schematic structural view of a rear wheel of the novel chainless bicycle.
In the figure: 1. a frame; 2. a handlebar; 3. a front wheel support structure; 31. the front wheel is fixed at the upper part; 311. an upward movement restricting sliding ball; 312. an upward movement restricting bearing; 32. the front wheel is fixed at the lower part; 321. a down-movement limiting bearing; 4. a front wheel; 5. a rear wheel housing; 6. a rear wheel; 7. a vehicle seat; 8. a brake structure; 81. a brake handle; 82. a brake cable; 83. a brake swing rod; 84. a brake rubber block; 85. a brake spring; 9. a transmission structure; 91. a pedal shaft; 92. a movable flywheel structure; 921. an outer ring of the flywheel; 922. a flywheel spring plate; 923. an inner ring of the flywheel; 924. jack teeth; 925. a flywheel retainer ring; 93. a gear C; 94. a gear B; 95. a gear A; 96. an intermediate shaft; 97. a rear wheel axle; 10. a pedal structure.
Detailed Description
The invention will be further described with reference to the following examples in the drawings.
Referring to fig. 1-5, a novel chainless bicycle comprises a frame 1, a handlebar 2, a front wheel supporting structure 3, a front wheel 4, a rear wheel shell 5, a rear wheel 6, a saddle 7, a brake structure 8, a transmission structure 9 and a pedal structure 10.
Further, the handlebar 2 is arranged at the upper end of a cylindrical hole at the front end of the frame 1; the front wheel supporting structure 3 is arranged at the lower end of a cylindrical hole at the front end of the frame 1, and is fixed with the handlebar 2 and synchronously rotates; mounting a front wheel 4 at the front wheel support structure 3; the rear wheel shell 5 is arranged at the arc position of the lower end of the oblique beam of the frame 1; the rear wheel 6 is arranged at the arc position of the lower end of the oblique beam of the frame 1; the saddle 7 is arranged at one end of the beam of the frame 1; one end of the brake structure 8 is arranged at the lower end of the oblique beam of the frame 1 close to the rear wheel 6, and the other end is arranged at the position of the handlebar 2; the transmission structure 9 and the pedal structure 10 are mutually matched and arranged at the position of a disc at the lower end of the frame 1.
Further, the front wheel support structure 3 includes a front wheel fixing upper portion 31, an upward movement limiting slide ball 311, an upward movement limiting bearing 312, a front wheel fixing lower portion 32, a downward movement limiting bearing 321; the front wheel fixed upper part 31 is arranged at the lower end of a cylindrical hole at the front end of the frame 1, and is fixed with the handlebar 2 and synchronously rotates; the upward movement limiting sliding ball 311 is in pin fit with the upward movement limiting bearing 312 and is arranged on two sides in the groove of the front wheel fixing upper part 31; the downward movement limiting bearing 321 is installed at the middle position of the groove of the front wheel fixing lower part 32 by pin connection; the front wheel fixing lower part 32 is connected to the front wheel fixing upper part 31 by bolts.
Further, the grooves on both sides of the front wheel 4 are tangentially installed with the upward movement limiting sliding ball 311 and the upward movement limiting bearing 312; the groove on the inner side of the front wheel 4 is tangentially installed with the downward movement limiting bearing 321 to realize the fixation of the front wheel 4.
Further, the brake structure 8 comprises a brake handle 81, a brake cable 82, a brake swing rod 83, a brake rubber block 84 and a brake spring 85; the brake handle 81 is mounted on the left side of the handlebar 2; one end of the brake cable 82 is connected with the brake handle 81, and the other end is connected with the semicircular gap end of the brake swing rod 83; the brake swing rod 83 is arranged at the position of a large fixing piece which is close to the rear wheel 6 and extends outwards at the lower end of the oblique beam of the frame 1.
Further, the transmission structure 9 comprises a pedal shaft 91, a movable flywheel structure 92, a gear C93, a gear B94, a gear A95, an intermediate shaft 96 and a rear wheel shaft 97; the pedal shafts 91 are arranged at the round holes of the disc position at the lower end of the frame 1, and are symmetrically arranged at two sides; the two ends of the pedal shaft 91 are respectively provided with the pedal structures 10 and are fixed by nuts; the movable flywheel structures 92 are symmetrically arranged on two sides of the pedal shaft 91; the inner hole of the movable flywheel structure 92 is connected with the pedal shaft 91 through a key; the inner hole of the gear C93 and the outer circle of the movable flywheel structure 92 are coaxially arranged and fixed by screws; gears B94 are symmetrically arranged on two sides of the intermediate shaft 96 in a key fit manner, and two ends of the intermediate shaft are arranged on the rear wheel shell 5; the gear B94 is meshed with the gear C93 and the gear A95 respectively; the rear wheel shaft 97 is centrally provided with a gear A95, and two ends of the gear A95 are arranged at large round holes of symmetrical brackets at two sides of the rear part of the frame 1.
Further, the movable flywheel structure 92 has two types, namely a left flywheel and a right flywheel, which include a flywheel outer ring 921, a flywheel spring 922, a flywheel inner ring 923, a jack 924 and a flywheel retainer ring 925; the inclination direction of the inner teeth of the flywheel outer ring 921 should be the left-side anticlockwise rotation direction and the right-side clockwise rotation direction, and the flywheel outer ring is installed on the pedal shaft 91; the flywheel elastic sheet 922 is arranged at the small arc position of the flywheel inner ring 923; the jack 924 is arranged at the great arc position of the flywheel inner ring 923, and the inclined direction of the jack is in the left-side anticlockwise rotation direction and the right-side clockwise rotation direction; the flywheel retaining ring 925 is fixedly connected with the flywheel inner ring 923 through bolts.
Further, the grooves on both sides of the rear wheel 6 are tangentially installed with the upward movement limiting sliding ball 311 and the upward movement limiting bearing 312; the upward movement limiting sliding ball 311 is matched with an upward movement limiting bearing 312 through a pin, and is arranged at two positions of a small round hole of a symmetrical support at the two sides of the rear part of the frame 1 and a round hole on the rear wheel shell 5; the inner teeth of the rear wheel 6 mesh with the gear a 95.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that the present invention is not limited to the above-mentioned embodiment, and can be further modified without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.
Claims (7)
1. A novel chainless bicycle is characterized by comprising a frame, a handlebar, a front wheel supporting structure, a front wheel, a rear wheel shell, a rear wheel, a saddle, a brake structure, a pedal structure, a transmission structure, an upward movement limiting sliding ball, an upward movement limiting bearing and a gear A, wherein the handlebar, the front wheel supporting structure, the front wheel, the rear wheel shell, the rear wheel, the saddle, the brake structure, the pedal structure, the transmission structure, the upward movement limiting; the handlebar is arranged at the upper end of the cylindrical hole at the front end of the frame; the front wheel supporting structure is arranged at the lower end of the cylindrical hole at the front end of the frame, and is fixed with the handlebar and synchronously rotates; mounting the front wheel at the front wheel support structure; the rear wheel shell is arranged at the arc position of the lower end of the inclined beam of the frame; the rear wheel is arranged at the arc position of the lower end of the inclined beam of the frame, and power is transmitted by the upward movement limiting sliding ball, the upward movement limiting bearing fixing position and the gear A; the saddle is arranged at one end of the frame cross beam; one end of the brake structure is arranged at the lower end of the inclined beam of the frame, close to the rear wheel, and the other end of the brake structure is arranged at the position of the handlebar; the pedal structure and the transmission structure are matched with each other and are arranged at the position of a disc at the lower end of the frame.
2. The new chainless bicycle of claim 1 wherein the front wheel support structure includes a front wheel fixed upper portion, an upward movement limiting sliding ball, an upward movement limiting bearing, a front wheel fixed lower portion, a downward movement limiting bearing; the fixed upper part of the front wheel is arranged at the lower end of the cylindrical hole at the front end of the frame, and is fixed with the handlebar and synchronously rotates; the upward movement limiting sliding ball is matched with the upward movement limiting bearing through a pin and is arranged on two sides in the groove on the fixed upper part of the front wheel; the downward movement limiting bearing is connected and arranged at the middle position of the groove at the lower part of the front wheel fixing part through a pin; the fixed lower part of the front wheel is connected with the fixed upper part of the front wheel through a bolt.
3. The new chainless bicycle of claim 2 wherein the grooves on both sides of the front wheel are tangentially mounted to the up-shift limiting sliding ball and the up-shift limiting bearing; and the groove on the inner side of the front wheel is tangentially installed with the downward movement limiting bearing, so that the front wheel is fixed.
4. The novel chainless bicycle of claim 1, wherein the brake structure comprises a brake handle, a brake cable, a brake swing rod, a brake rubber block and a brake spring; the brake handle is arranged on the left side of the handlebar; one end of the brake cable is connected with the brake handle, and the other end of the brake cable is connected with the semicircular gap end of the brake swing rod; and the brake swing rod is arranged at a large fixing piece which is arranged at the lower end of the oblique beam of the frame, is close to the rear wheel and extends outwards.
5. The novel chainless bicycle of claim 1, wherein the transmission structure comprises a pedal shaft, a free flywheel structure, a gear C, a gear B, a gear A, an intermediate shaft and a rear wheel shaft; the pedal shafts are arranged at the round holes of the disc at the lower end of the frame, and are symmetrically arranged at two sides; the two ends of the pedal shaft are respectively provided with the pedal structure and are fixed by nuts; the movable flywheel structures are symmetrically arranged on two sides of the pedal shaft; the inner hole of the movable flywheel structure is connected with the pedal shaft through a key; the inner hole of the gear C and the excircle of the movable flywheel structure are coaxially arranged and fixed by screws; the gears B are symmetrically arranged on two sides of the middle shaft in a key fit mode, and two ends of the middle shaft are arranged on the rear wheel shell; the gear B is meshed with the gear C and the gear A respectively; the gear A is arranged on the rear wheel shaft in the middle, and two ends of the gear A are arranged at large round holes of symmetrical supports at two sides behind the frame.
6. The novel chainless bicycle as claimed in claim 5, wherein the free flywheel structure has two types of left and right flywheels, including outer rings, elastic pieces, inner rings, jack teeth and retainer rings; the inclination direction of the inner teeth of the outer ring of the flywheel is a left-side anticlockwise rotation direction and a right-side clockwise rotation direction, and the inner teeth are arranged on the pedal shaft; the flywheel elastic sheet is arranged at the small arc position of the inner ring of the flywheel; the jack teeth are arranged at the large arc position of the inner ring of the flywheel, and the inclined directions of the jack teeth are in the left-side anticlockwise rotation direction and the right-side clockwise rotation direction; the flywheel retainer ring is fixedly connected with the flywheel inner ring through bolts.
7. The new chainless bicycle of claim 1 wherein the rear wheel side grooves are tangentially mounted to the up-shift limiting sliding ball and the up-shift limiting bearing; the upward movement limiting sliding ball is matched with the upward movement limiting bearing through a pin and is arranged at two positions, namely a small circular hole of a symmetrical support at the two sides of the rear part of the frame and a circular hole on the rear wheel shell; the inner teeth of the rear wheel are meshed with the gear A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921641929.7U CN210734428U (en) | 2019-09-29 | 2019-09-29 | Novel chainless bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921641929.7U CN210734428U (en) | 2019-09-29 | 2019-09-29 | Novel chainless bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210734428U true CN210734428U (en) | 2020-06-12 |
Family
ID=71006974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921641929.7U Expired - Fee Related CN210734428U (en) | 2019-09-29 | 2019-09-29 | Novel chainless bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210734428U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112606939A (en) * | 2020-12-10 | 2021-04-06 | 上海凤凰自行车江苏有限公司 | Novel bicycle without wheel and chain |
-
2019
- 2019-09-29 CN CN201921641929.7U patent/CN210734428U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112606939A (en) * | 2020-12-10 | 2021-04-06 | 上海凤凰自行车江苏有限公司 | Novel bicycle without wheel and chain |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200612 Termination date: 20210929 |