CN219208889U - Stable-shape axle center structure of spinning trainer - Google Patents
Stable-shape axle center structure of spinning trainer Download PDFInfo
- Publication number
- CN219208889U CN219208889U CN202223207330.7U CN202223207330U CN219208889U CN 219208889 U CN219208889 U CN 219208889U CN 202223207330 U CN202223207330 U CN 202223207330U CN 219208889 U CN219208889 U CN 219208889U
- Authority
- CN
- China
- Prior art keywords
- axle center
- crank
- side wall
- belt pulley
- outer side
- 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
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Landscapes
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The utility model provides a stable dynamic bicycle trainer axle center structure, which comprises a bicycle body component and an axle center mechanism, wherein the bicycle body component comprises a bicycle frame, an axle center sleeve and wheels; the axle center mechanism comprises a crank axle center body, a belt pulley, a first bearing, a clamp spring, a left crank and an axle center nut; the axle center sleeve is fixedly connected to the middle part of the frame, and the wheels are arranged on one side, far away from the axle center sleeve, of the frame; according to the utility model, the right crank, the middle shaft and the flange are integrally formed by welding, the belt pulley is arranged on one side of the crank shaft body by using the flange, and then the left crank is positioned and locked at one end of the crank shaft body by using the shaft nut, so that the assembly of the shaft structure of the spinning training device is completed, and the stability of the shaft structure of the spinning training device is improved by using the crank shaft body of the integral structure, and the phenomenon of loosening is avoided.
Description
Technical Field
The utility model relates to an axle center structure, in particular to a stable axle center structure of a spinning trainer, and belongs to the technical field of spinning.
Background
The bicycle training device is also called a bicycle, overcomes all the defects of outdoor running, has a basic structure similar to that of a common bicycle, comprises a handlebar, a saddle, a pedal plate and wheels, and is firmly connected into a whole, and is different from the common bicycle in that the structure of the bicycle training device can be greatly adjusted, so that a rider feels more comfortable, and before the bicycle is put on the bicycle, the height of a seat is firstly determined, and is generally based on the height of the bicycle standing on the ground, lifting the thigh and being level with the ground, so that the included angle between the thigh and the shank is not too small during riding, thereby reducing the burden of knees and avoiding damage to the knees; then the position of the handlebar is determined according to the position of the seat, the handlebar is supported at the forefront part of the handlebar, the elbow is supported on the handlebar, the body is compact, the arm does not feel hard when extending to the front, the height of the handlebar can be lifted according to the stature of a rider, the axle center structure of the bicycle trainer is one of the important structures of the bicycle trainer and is mainly used for connecting a chain wheel, a left crank and a right crank with a frame, so as to play a driving bridge role, and most of the functions of the bicycle trainer are reflected through the axle center structure;
the axle center mechanism of the traditional spinning training device, the left crank, the right crank and the chain wheel are in a split type structure, and the stability is poor, so that the phenomenon that the axle center structure of the traditional spinning training device is loosened easily after the traditional spinning training device is used for a long time, the normal use of the spinning training device is affected, and therefore, the axle center structure of the stable spinning training device is provided.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a stable axle structure for a bicycle trainer, which solves or alleviates the technical problems of the prior art, and at least provides a beneficial choice.
The technical scheme of the embodiment of the utility model is realized as follows: the axle center structure of the steady dynamic bicycle trainer comprises a bicycle body component and an axle center mechanism, wherein the bicycle body component comprises a bicycle frame, an axle center sleeve and wheels;
the axle center mechanism comprises a crank axle center body, a belt pulley, a first bearing, a clamp spring, a left crank and an axle center nut;
the axle center sleeve is fixedly connected to the middle of the frame, the wheel is mounted on one side, far away from the axle center sleeve, of the frame, the outer side wall of the crank axle center body is slidably connected to the inner side wall of the axle center sleeve, the inner side wall of the belt pulley is slidably connected to the outer side wall of the crank axle center body, the first bearing is slidably connected to one side, close to the belt pulley, of the outer side wall of the crank axle center body, the clamp spring is slidably connected to one side, close to the first bearing, of the outer side wall of the crank axle center body, the inner side wall of the left crank is slidably connected to one end, far away from the belt pulley, of the crank axle center body, and the inner side wall of the axle center nut is in threaded connection with the outer side wall of the crank axle center body.
Further preferably, the crank axle center body comprises a right crank, a flange plate and a center axle center;
the inner side wall of the right crank is fixedly connected with the outer side wall of the center shaft center, and the inner side wall of the flange plate is fixedly connected with one side, close to the right crank, of the outer side wall of the center shaft center.
Further preferably, the inner side wall of the flange plate is uniformly and slidably connected with a locking bolt, and one end of the locking bolt penetrates through the flange plate and the inner side wall of the belt pulley and is in threaded connection with a locking nut.
Further preferably, a right pedal is mounted on one side of the inner side wall of the right crank far away from the crank axle center body, and a left pedal is mounted on one side of the inner side wall of the left crank far away from the crank axle center body.
Further preferably, the inner side walls of the right crank and the left crank are both connected with a crank cover in a sliding way at one side close to the crank axle center body.
Further preferably, a second bearing is slidingly connected to one side of the outer side wall of the center shaft axis, which is close to the flange plate.
Further preferably, the outer side wall of the belt pulley is coated with a driving belt, and one side, far away from the belt pulley, of the inner side wall of the driving belt is coated on one side of the outer side wall of the wheel.
Further preferably, the right crank, the flange plate and the center shaft are of an integrated structure.
By adopting the technical scheme, the embodiment of the utility model has the following advantages: according to the utility model, the right crank, the middle shaft and the flange are integrally formed by welding, the belt pulley is arranged on one side of the crank shaft body by using the flange, and then the left crank is positioned and locked at one end of the crank shaft body by using the shaft nut, so that the assembly of the shaft structure of the spinning training device is completed, and the stability of the shaft structure of the spinning training device is improved by using the crank shaft body of the integral structure, and the phenomenon of loosening is avoided.
The foregoing summary is for the purpose of the specification only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present utility model will become apparent by reference to the drawings and the following detailed description.
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 in the embodiments or the technical descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of 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 block diagram of the present utility model;
FIG. 2 is a schematic view of an axle side structure of the frame of the present utility model;
FIG. 3 is a schematic view of the structure of the crank shaft body of the present utility model on the shaft side;
fig. 4 is a schematic diagram of an exploded structure of the axial mechanism of the present utility model.
Reference numerals: 1. a vehicle body component; 2. an axle center mechanism; 101. a frame; 102. an axle center sleeve; 103. a wheel; 201. a crank shaft center body; 202. a belt pulley; 203. a first bearing; 204. clamping springs; 205. a left crank; 206. an axial nut; 41. a lock nut; 42. a locking bolt; 43. a second bearing; 44. right foot pedal; 45. a left pedal; 46. a crank cover; 47. a right crank; 48. a flange plate; 49. a center shaft center; 50. a drive belt.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1-4, the embodiment of the utility model provides a stable dynamic bicycle trainer axle center structure, which comprises a bicycle body component 1 and an axle center mechanism 2, wherein the bicycle body component 1 comprises a bicycle frame 101, an axle center sleeve 102 and wheels 103;
the axle center mechanism 2 comprises a crank axle center body 201, a belt pulley 202, a first bearing 203, a clamp spring 204, a left crank 205 and an axle center nut 206;
the axle center sleeve 102 is fixedly connected to the middle part of the frame 101, the wheel 103 is arranged on one side of the frame 101 far away from the axle center sleeve 102, the outer side wall of the crank axle center body 201 is connected to the inner side wall of the axle center sleeve 102 in a sliding mode, the inner side wall of the belt pulley 202 is connected to the outer side wall of the crank axle center body 201 in a sliding mode, the first bearing 203 is connected to one side, close to the belt pulley 202, of the outer side wall of the crank axle center body 201 in a sliding mode, the clamp spring 204 is connected to one side, close to the first bearing 203, of the outer side wall of the crank axle center body 201 in a sliding mode, the inner side wall of the left crank 205 is connected to one end, far away from the belt pulley 202, of the crank axle center body 201 in a sliding mode, and the inner side wall of the axle center nut 206 is connected with the outer side wall of the crank axle center body 201 in a threaded mode.
In one embodiment, crank hub 201 includes right crank 47, flange 48, and bottom bracket hub 49;
the inner side wall of the right crank 47 is fixedly connected with the outer side wall of the middle shaft center 49, the inner side wall of the flange 48 is fixedly connected with one side of the outer side wall of the middle shaft center 49, which is close to the right crank 47, and the right crank 47, the flange 48 and the middle shaft center 49 are of an integrated structure.
In one embodiment, the inner side wall of the flange 48 is uniformly and slidably connected with a locking bolt 42, and one end of the locking bolt 42 penetrates through the flange 48 and the inner side wall of the belt pulley 202 and is in threaded connection with a locking nut 41; the locking between the pulley 202 and the flange 48 is performed by using the lock bolt 42 and the lock nut 41.
In one embodiment, the right pedal 44 is mounted on the side of the inner side wall of the right crank 47 away from the crank shaft center body 201, and the left pedal 45 is mounted on the side of the inner side wall of the left crank 205 away from the crank shaft center body 201; the right crank 47 and the left crank 205 are moved by using the right pedal 44 and the left pedal 45.
In one embodiment, the crank cover 46 is slidably connected to the inner side walls of the right crank 47 and the left crank 205 near the crank shaft center body 201; the inner side walls of the right crank 47 and the left crank 205 are sealed by a crank cover 46.
In one embodiment, the outer side wall of the center shaft center 49 is slidably connected with the second bearing 43 near one side of the flange 48; friction between the pulley 202 and the hub 102 is reduced by the second bearing 43.
In one embodiment, the outer side wall of the belt pulley 202 is coated with the driving belt 50, and the side of the inner side wall of the driving belt 50 away from the belt pulley 202 is coated on the side of the outer side wall of the wheel 103; by using the drive belt 50, a transmission is provided between the pulley 202 and the wheel 103.
The utility model works when in work: the right crank 47, the flange 48 and the center shaft 49 are formed into an integral structure by welding, the second bearing 43 is sleeved on the center shaft 49, the belt pulley 202 is sleeved on the center shaft 49 and the second bearing 43, the locking bolt 42 penetrates through the flange 48 and the belt pulley 202, the locking nut 41 is used for locking the locking bolt 42 so as to lock the belt pulley 202 and the flange 48 in a flange mode, the center shaft 49 penetrates through the center shaft sleeve 102, the first bearing 203 is sleeved on the center shaft 49, the moving clamp spring 204 is clamped in a groove on one side of the center shaft 49 far away from the right crank 47, so that the center shaft 49 is prevented from falling, the left crank 205 is positioned on a tooth grain on one end of the center shaft 49, the left crank 205 and the center shaft 49 are locked by the center nut 206, the crank cover 46 is moved to lock one sides of the right crank 47 and the left crank 205, the right pedal 44 and the left pedal 45 are respectively arranged on the right crank 47 and the left crank 205, the belt pulley 50 is moved to be sleeved on one side of the wheel 103, and the free of the wheel 103 is prevented from falling off, and the integral structure of the exercise bicycle is prevented from being formed.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that various changes and substitutions are possible within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a firm shape spinning training ware axle center structure, includes automobile body subassembly (1) and axle center mechanism (2), its characterized in that: the vehicle body component (1) comprises a vehicle frame (101), an axle sleeve (102) and wheels (103);
the axle center mechanism (2) comprises a crank axle center body (201), a belt pulley (202), a first bearing (203), a clamp spring (204), a left crank (205) and an axle center nut (206);
the axle center sleeve (102) is fixedly connected to the middle of the frame (101), the wheel (103) is mounted on one side, far away from the axle center sleeve (102), of the frame (101), the outer side wall of the crank axle center body (201) is slidably connected to the inner side wall of the axle center sleeve (102), the inner side wall of the belt pulley (202) is slidably connected to the outer side wall of the crank axle center body (201), the first bearing (203) is slidably connected to one side, close to the belt pulley (202), of the outer side wall of the crank axle center body (201), the clamp spring (204) is slidably connected to one side, close to the first bearing (203), of the outer side wall of the crank axle center body (201), far away from one end of the belt pulley (202), of the inner side wall of the left crank axle center body (205) is slidably connected to the inner side wall of the axle center nut (206) and the outer side wall of the crank axle center body (201) are in threaded connection.
2. The steady shape spinning trainer axle center structure of claim 1, wherein: the crank axle center body (201) comprises a right crank (47), a flange plate (48) and a middle axle center (49);
the inner side wall of the right crank (47) is fixedly connected with the outer side wall of the middle shaft center (49), and the inner side wall of the flange plate (48) is fixedly connected with one side, close to the right crank (47), of the outer side wall of the middle shaft center (49).
3. The steady shape spinning trainer axle center structure of claim 2, wherein: the inner side wall of the flange plate (48) is uniformly and slidably connected with a locking bolt (42), and one end of the locking bolt (42) penetrates through the inner side walls of the flange plate (48) and the belt pulley (202) and is in threaded connection with a locking nut (41).
4. The steady shape spinning trainer axle center structure of claim 2, wherein: the right pedal (44) is installed to the inside wall of right crank (47) one side of keeping away from crank axle center body (201), left pedal (45) is installed to the inside wall of left crank (205) one side of keeping away from crank axle center body (201).
5. The steady shape spinning trainer axle center structure of claim 2, wherein: and a crank cover (46) is slidably connected to one side, close to the crank shaft center body (201), of the inner side wall of the right crank (47) and the inner side wall of the left crank (205).
6. The steady shape spinning trainer axle center structure of claim 2, wherein: and a second bearing (43) is connected to one side of the outer side wall of the center shaft center (49) close to the flange plate (48) in a sliding manner.
7. The steady shape spinning trainer axle center structure of claim 1, wherein: the outer side wall of the belt pulley (202) is coated with a transmission belt (50), and one side, far away from the belt pulley (202), of the inner side wall of the transmission belt (50) is coated on one side of the outer side wall of the wheel (103).
8. The steady shape spinning trainer axle center structure of claim 2, wherein: the right crank (47), the flange plate (48) and the middle shaft center (49) are of an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223207330.7U CN219208889U (en) | 2022-12-01 | 2022-12-01 | Stable-shape axle center structure of spinning trainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223207330.7U CN219208889U (en) | 2022-12-01 | 2022-12-01 | Stable-shape axle center structure of spinning trainer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219208889U true CN219208889U (en) | 2023-06-20 |
Family
ID=86740263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223207330.7U Active CN219208889U (en) | 2022-12-01 | 2022-12-01 | Stable-shape axle center structure of spinning trainer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219208889U (en) |
-
2022
- 2022-12-01 CN CN202223207330.7U patent/CN219208889U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206914528U (en) | A kind of single rocking arm damping Segway Human Transporter | |
| US6761241B2 (en) | Front suspension fork assembly | |
| CN219208889U (en) | Stable-shape axle center structure of spinning trainer | |
| US8888113B2 (en) | Air bladder suspension | |
| CN104802901B (en) | Multifunctional electric scooter | |
| US4579190A (en) | Power unit swing type motorcycle | |
| CN215136495U (en) | Long and short concave hole device for stabilizing rider and cushion of exercise bicycle | |
| CN219687529U (en) | Quick-assembling five-way combined structure | |
| CN213534991U (en) | Middle shaft and rear bottom fork integrated structure and electric bicycle | |
| CN204623741U (en) | A kind of driving device for bicycle | |
| CN220448034U (en) | Bicycle backseat pedal convenient to adjust | |
| CN220500902U (en) | Electric bicycle frame with adjustable shock-absorbing structure | |
| CN201105724Y (en) | Automobile brake and accelerator conjoined pedal device | |
| CN213384619U (en) | Bicycle pedal | |
| CN203372338U (en) | Foldable bicycle frame | |
| CN208306872U (en) | A kind of vehicle frame of electric bicycle | |
| CN2595648Y (en) | Portable travelling bicycle | |
| CN211543770U (en) | Parent-child cooperative bicycle | |
| CN107539403A (en) | Front-wheel drive three-wheel voluntarily recumbent bicycle | |
| CN206719417U (en) | Nothing unloads power damping frame and the bicycle with the vehicle frame | |
| JPS5827899Y2 (en) | Rear wheel suspension system for motorcycles | |
| CN201317432Y (en) | Portable light and fast bicycle with an improved structure | |
| CN207374594U (en) | A kind of safety labor-saving bicycle | |
| CN2339475Y (en) | High-efficiency comfortable bicycle | |
| CN2228877Y (en) | Shock-absorbing bicycle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |