CN221061641U - Multi-stage sprocket variable-speed flywheel spinning - Google Patents
Multi-stage sprocket variable-speed flywheel spinning Download PDFInfo
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- CN221061641U CN221061641U CN202322866318.5U CN202322866318U CN221061641U CN 221061641 U CN221061641 U CN 221061641U CN 202322866318 U CN202322866318 U CN 202322866318U CN 221061641 U CN221061641 U CN 221061641U
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- 238000009987 spinning Methods 0.000 title claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
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- 238000005299 abrasion Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
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- 230000000149 penetrating effect Effects 0.000 description 2
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- 230000009471 action Effects 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
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- 210000003141 lower extremity Anatomy 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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Abstract
The utility model discloses a multistage sprocket variable-speed flywheel spinning which comprises a spinning body, a pedal assembly and a flywheel assembly, wherein the pedal assembly and the flywheel assembly are arranged on the spinning body, a sprocket transmission assembly is arranged between the pedal assembly and the flywheel assembly, the flywheel assembly comprises a speed regulation assembly and a flywheel body arranged at the output end of the speed regulation assembly, the speed regulation assembly is provided with an output gear which is driven by a rotating motor and an electric cylinder and can swing and transversely move, and an input gear meshed with the output gear, and the input gear is transmitted with the pedal assembly through a shaft, a sprocket and a chain. The speed changing part is in transmission connection with the pedal part, the angle of the swing frame is adjusted through the rotating motor, and meanwhile, the transverse position of the swing frame is adjusted through the electric cylinder, so that gears of different groups are meshed, speed changing is realized, and the speed changing part is output to the flywheel body through the connecting shaft.
Description
Technical Field
The utility model relates to a spinning, in particular to a multi-stage sprocket variable speed flywheel spinning.
Background
The spinning is basically similar to a common spinning, and comprises a handlebar, a saddle, pedals and a flywheel, wherein the purpose of strengthening lower limb strength is achieved through the arrangement of resistance, and the purposes of promoting heart rate and accelerating fat consumption in fast-paced movement are achieved so as to exercise the body.
Currently, in a speed change structure on the market, a transmission mechanism of the speed change structure is provided with at least two chain wheels and a chain with different tooth numbers, wherein the chain is wound around and meshed with one of a plurality of chain wheels, and speed change adjustment is performed by using a speed change push rod device to realize movement of the chain between two adjacent chain wheels, so that a speed change process is completed to obtain different speeds.
When the speed change action is carried out in the load operation process, the chain wheel and the chain are easy to interfere and collide due to poor precision, so that the abrasion loss of the chain wheel is large, the service life is low, and the chain wheel is easy to fall off.
Disclosure of utility model
Based on the defects of large abrasion loss of the chain wheel, low service life and easy falling of the chain wheel and the chain in the speed change structure in the prior art due to interference collision caused by poor precision, the utility model provides a multistage chain wheel speed change flywheel spinning.
The technical scheme adopted for solving the technical problems is as follows:
The utility model provides a multistage sprocket variable speed flywheel spinning, includes the bicycle body, sets up pedal subassembly and flywheel subassembly on the bicycle body, is equipped with sprocket drive subassembly between pedal subassembly and the flywheel subassembly, and the flywheel subassembly includes speed governing subassembly and sets up in the flywheel body of speed governing subassembly output, and speed governing subassembly includes:
the speed regulation box body is fixed on the bicycle body through a bracket, and is provided with an arc hole;
the rotating motor is arranged in the speed regulation box body, and a spline housing is arranged on a motor shaft of the rotating motor;
The end part of the push rod of the electric cylinder is rotationally connected with a rotating shaft through a connecting structure, and the other end of the rotating shaft extends into the spline housing and is provided with an external spline matched with the internal spline;
The swinging frame is fixed on the rotating shaft and provided with two obtuse-angle mounting frame plates, an annular mounting cylinder is arranged on the swinging frame, and the mounting cylinder is positioned at the periphery of the side wall of the rotating shaft;
The power input device comprises an input shaft in transmission connection with the pedal assembly, and a first input gear, a second input gear and a third input gear which are arranged on the input shaft;
The power output device comprises a first output gear, a second output gear and a third output gear which are meshed in sequence, the first output gear and the third output gear are respectively connected to the two mounting frame plates in a rotating way through connecting shafts, the second output gear is arranged on the mounting cylinder, the first output gear can be meshed with the first input gear, the second output gear can be meshed with the second input gear, the third output gear can be meshed with the third input gear, and the transmission ratios of the three groups of gears meshed with each other are different;
The supporting piece is arranged in the arc-shaped hole and can extend along the arc Kong Baidong, and one connecting shaft extends to extend out of the speed regulation box body through the supporting piece and is connected with the flywheel body;
And the controller is connected with the rotating motor and the electric cylinder, is externally connected with a power supply or is internally provided with the power supply in the speed regulation box body to supply power for all the electric appliances.
Specifically, the mounting cylinder is provided with a bearing, the second output gear is mounted on the bearing, and the center line of the mounting cylinder is collinear with the center line of the rotating shaft.
Specifically, the first input gear, the second input gear and the third input gear are equidistantly arranged at intervals. The gaps among the input gears are used for providing space for angle adjustment, and meshing is achieved through pushing of the electric cylinders after the angle adjustment is completed.
Specifically, the pedal assembly comprises a crankshaft and a pedal rotationally arranged on the crankshaft, and the crankshaft is arranged on the bicycle body.
Specifically, sprocket drive assembly includes first sprocket, second sprocket and the cover locate the drive chain on first sprocket and the second sprocket, and first sprocket sets up on the bent axle, and the one end of input shaft runs through the speed governing box and connects the second sprocket.
Specifically, connection structure is including setting up the first connector on the push rod and setting up with epaxial columniform second connector, and first connector is including setting up the plectane and the cover of locating on the push rod in the push rod tip and locating the annular locating part, has seted up the T-slot on the second connector, and the plectane stretches into the T-slot in, locating part and second connector tip clearance fit, and the both ends in T-slot are equipped with convex abaculus, and the abaculus is used for spacing the plectane.
Specifically, the diameter of the second connector is larger than that of the rotating shaft, and the embedded block is provided with a screw hole which is fixed through a bolt penetrating through the second connector and in threaded connection with the second connector.
Specifically, be equipped with two sets of backup pads in the speed governing box, all be equipped with support bearing in two sets of backup pads, and two sets of backup pads are used for installing support pivot and input shaft respectively.
Specifically, a first gear is arranged on a motor shaft of the rotary motor, an angle sensor is arranged on the speed regulating box body, the angle sensor is provided with a second gear, the second gear is meshed with the first gear, and the angle sensor is connected with the controller.
Specifically, the bicycle body comprises a frame, a saddle arranged on the frame and a holding handle arranged on the frame, wherein a speed regulating button or a speed regulating shifting sheet connected with the controller is arranged on the holding handle, and the speed regulating button or the speed regulating shifting sheet is provided with three gears for speed changing adjustment and respectively corresponds to three groups of gears meshed with each other.
Compared with the prior art, the utility model has the advantages that: the speed changing part is in transmission connection with the pedal part, the angle of the swing frame is adjusted through the rotating motor, and meanwhile, the transverse position of the swing frame is adjusted through the electric cylinder, so that gears of different groups are meshed, speed changing is realized, and the speed changing part is output to the flywheel body through the connecting shaft.
Drawings
The utility model will be described in further detail below in connection with the drawings and the preferred embodiments, but it will be appreciated by those skilled in the art that these drawings are drawn for the purpose of illustrating the preferred embodiments only and thus should not be taken as limiting the scope of the utility model. Moreover, unless specifically indicated otherwise, the drawings are merely schematic representations, not necessarily to scale, of the compositions or constructions of the described objects and may include exaggerated representations.
FIG. 1 is a side view of a spinning;
FIG. 2 is a perspective view of the governor assembly;
FIG. 3 is a perspective view of the governor housing;
FIG. 4 is a schematic view of the structure of the inside of the governor housing;
FIG. 5 is a schematic diagram of a timing assembly;
Fig. 6 is an enlarged view at H;
FIG. 7 is a perspective view of the swing frame;
FIG. 8 is a perspective view of a swing frame;
In the figure: 10. a frame; 20. a saddle; 30. a grip handle; 40. a bracket; 50. a pedal assembly; 601. a first sprocket; 602. a drive chain; 603. a second sprocket; 70. a speed regulating assembly; 701. an arc-shaped hole; 702. an input shaft; 703. a first input gear; 704. a second input gear; 705. a third input gear; 706. a support plate; 707. a rotating shaft; 708. a swing frame; 7081. a mounting cylinder; 709. a rotating electric machine; 7091. a spline housing; 710. a connecting shaft; 711. a first output gear; 712. a second output gear; 713. a third output gear; 714. an electric cylinder; 715. an annular limiting member; 716. a circular plate; 717. a second connector; 7171. a T-shaped groove; 80. a flywheel body.
Detailed Description
Preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. Those skilled in the art will appreciate that these descriptions are merely illustrative, exemplary, and should not be construed as limiting the scope of the utility model.
The main scheme is as follows:
1-8, including the bicycle body, set up pedal subassembly 50 and flywheel subassembly on the bicycle body, be equipped with sprocket drive subassembly between pedal subassembly 50 and the flywheel subassembly, the flywheel subassembly includes speed governing subassembly 70 and sets up the flywheel body 80 in speed governing subassembly 70 output, speed governing subassembly 70 includes:
the speed regulation box body is fixed on the bicycle body through a bracket 40 and provided with an arc-shaped hole 701;
A rotary motor 709 which is arranged in the speed regulation box body, and a spline housing 7091 is arranged on a motor shaft of the rotary motor 709;
the electric cylinder 714 is a telescopic electric cylinder and is provided with a plurality of positions for positioning, the end part of the push rod of the electric cylinder is rotatably connected with a rotating shaft 707 through a connecting structure, and the other end of the rotating shaft 707 extends into the spline housing 7091 and is provided with an external spline matched with the internal spline;
A swing frame 708 fixed on the rotating shaft 707 and having two mounting plates having an obtuse angle, on which an annular mounting cylinder 7081 is provided and the mounting cylinder 7081 is located at the periphery of the side wall of the rotating shaft 707;
a power input device comprising an input shaft 702 in driving connection with the pedal assembly 50, and a first input gear 703, a second input gear 704 and a third input gear 705 provided on the input shaft 702;
The power output device comprises a first output gear 711, a second output gear 712 and a third output gear 713 which are meshed in sequence, wherein the first output gear 711 and the third output gear 713 are respectively connected to the two mounting frame plates in a rotating way through a connecting shaft 710, the second output gear 712 is arranged on a mounting cylinder 7081, the first output gear 711 can be meshed with the first input gear 703, the second output gear 712 can be meshed with the second input gear 704, the third output gear 713 can be meshed with the third input gear 705, and the transmission ratios of the three groups of mutually meshed gears are different;
The support piece is arranged in the arc-shaped hole 701 and can swing along the arc-shaped hole 701, one connecting shaft 710 extends to extend out of the speed regulation box body through the support piece and is connected with the flywheel body 80, the specific support piece is a circular arc-shaped seat plate, a bearing is arranged on the seat plate, the connecting shaft 710 is supported by the bearing, and the preferable seat plate can be provided with a separation structure with an H-shaped section so as to be fixed at the arc-shaped hole 701;
And the controller is connected with the rotating motor 709 and the electric cylinder 714, and is externally connected with a power supply or is internally provided with a power supply in a speed regulation box body to supply power for all the electric appliances. When the speed is regulated, the electric cylinder 714 pushes the whole swing frame 708 to enable three output gears on the swing frame 708 to be positioned at gaps of three input gears, then the rotary motor 709 rotates for regulating the angle, when the electric cylinder 714 pushes again, the gears are meshed to realize the speed regulation, and three groups of gears are meshed to provide three gears respectively.
Specifically, the mounting cylinder 7081 is provided with a bearing, and the second output gear 712 is mounted on the bearing, so that the center line of the mounting cylinder 7081 is collinear with the center line of the rotating shaft 707.
Specifically, the first input gear 703, the second input gear 704, and the third input gear 705 are disposed at equidistant intervals. The gaps between the input gears are used to provide room for angular adjustment, which is then actuated by the electric cylinder 714 to effect engagement.
Specifically, the pedal assembly 50 includes a crankshaft disposed on the bicycle body and a pedal rotatably disposed on the crankshaft.
Specifically, the sprocket drive assembly includes a first sprocket 601, a second sprocket 603, and a drive chain 602 sleeved on the first sprocket 601 and the second sprocket 603, the first sprocket 601 is disposed on the crankshaft, and one end of the input shaft 702 penetrates through the speed regulation box and is connected with the second sprocket 603.
Specifically, the connection structure includes the first connector that sets up on the push rod and sets up with the columniform second connector 717 on the pivot 707, and first connector is including setting up the plectane 716 and the annular locating part 715 of cover on locating the push rod in the push rod tip, has seted up T-slot 7171 on the second connector 717, and the plectane 716 stretches into T-slot 7171 in, locating part and second connector 717 tip clearance fit, and the both ends of T-slot 7171 are equipped with convex abaculus, and the abaculus is used for spacing plectane 716. Wherein the annular stop 715 is a nut that is threaded with the push rod of the electric cylinder 714.
Specifically, the diameter of the second connector 717 is larger than that of the rotating shaft 707, and the insert is provided with a screw hole and is fixed by screwing a bolt penetrating through the second connector 717. The inserts and bolts are not shown in the figures.
Specifically, two groups of support plates 706 are arranged in the speed regulation box body, support bearings are arranged on the two groups of support plates 706, and the two groups of support plates 706 are respectively used for installing and supporting the rotating shaft 707 and the input shaft 702.
Specifically, a first gear is arranged on a motor shaft of the rotary motor 709, an angle sensor is arranged on the speed regulation box body, the angle sensor is provided with a second gear, the second gear is meshed with the first gear, and the angle sensor is connected with the controller.
Specifically, the bicycle body comprises a bicycle frame 10, a saddle 20 arranged on the bicycle frame 10 and a holding handle 30 arranged on the bicycle frame 10, wherein a speed regulating button or a speed regulating shifting sheet connected with a controller is arranged on the holding handle 30, and the speed regulating button or the speed regulating shifting sheet is provided with three gears for speed changing adjustment and respectively corresponds to three groups of gears meshed with each other.
The multi-stage sprocket variable-speed flywheel spinning provided by the utility model is described above, and specific examples are applied to illustrate the principle and the implementation mode of the utility model, and the description of the examples is only used for helping to understand the utility model and the core idea. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Claims (10)
1. The utility model provides a multistage sprocket variable speed flywheel spinning, includes the bicycle body, sets up pedal subassembly and flywheel subassembly on the bicycle body, is equipped with sprocket drive subassembly between pedal subassembly and the flywheel subassembly, its characterized in that, flywheel subassembly include speed governing subassembly and set up in the flywheel body of speed governing subassembly output, and speed governing subassembly includes:
the speed regulation box body is fixed on the bicycle body through a bracket, and is provided with an arc hole;
the rotating motor is arranged in the speed regulation box body, and a spline housing is arranged on a motor shaft of the rotating motor;
The end part of the push rod of the electric cylinder is rotationally connected with a rotating shaft through a connecting structure, and the other end of the rotating shaft extends into the spline housing and is provided with an external spline matched with the internal spline;
The swinging frame is fixed on the rotating shaft and provided with two obtuse-angle mounting frame plates, an annular mounting cylinder is arranged on the swinging frame, and the mounting cylinder is positioned at the periphery of the side wall of the rotating shaft;
The power input device comprises an input shaft in transmission connection with the pedal assembly, and a first input gear, a second input gear and a third input gear which are arranged on the input shaft;
The power output device comprises a first output gear, a second output gear and a third output gear which are meshed in sequence, the first output gear and the third output gear are respectively connected to the two mounting frame plates in a rotating way through connecting shafts, the second output gear is arranged on the mounting cylinder, the first output gear can be meshed with the first input gear, the second output gear can be meshed with the second input gear, the third output gear can be meshed with the third input gear, and the transmission ratios of the three groups of gears meshed with each other are different;
The supporting piece is arranged in the arc-shaped hole and can extend along the arc Kong Baidong, and one connecting shaft extends to extend out of the speed regulation box body through the supporting piece and is connected with the flywheel body;
And the controller is connected with the rotating motor and the electric cylinder.
2. The multi-stage sprocket variable speed flywheel spinning of claim 1, wherein the mounting cylinder is provided with a bearing on which the second output gear is mounted, the centerline of the mounting cylinder being collinear with the centerline of the spindle.
3. The multi-sprocket variable-speed flywheel spinning of claim 1, wherein the first input gear, the second input gear, and the third input gear are equidistantly spaced.
4. The multi-sprocket variable-speed flywheel spinning of claim 1, wherein the pedal assembly comprises a crankshaft and a pedal rotatably disposed on the crankshaft, the crankshaft being disposed on the spinning body.
5. The multi-stage sprocket variable speed flywheel spinning of claim 4, wherein the sprocket drive assembly comprises a first sprocket, a second sprocket and a drive chain sleeved on the first sprocket and the second sprocket, the first sprocket is arranged on the crankshaft, and one end of the input shaft penetrates the speed regulation box and is connected with the second sprocket.
6. The multi-stage sprocket variable speed flywheel spinning according to claim 1, wherein the connecting structure comprises a first connecting head arranged on the push rod and a second connecting head which is cylindrical and arranged on the rotating shaft, the first connecting head comprises a circular plate arranged at the end part of the push rod and an annular limiting piece sleeved on the push rod, a T-shaped groove is formed in the second connecting head, the circular plate stretches into the T-shaped groove, the limiting piece is in clearance fit with the end part of the second connecting head, circular arc-shaped embedded pieces are arranged at two ends of the T-shaped groove, and the embedded pieces are used for limiting the circular plate.
7. The multi-sprocket variable-speed flywheel spinning of claim 6, wherein the second connector has a diameter greater than that of the rotating shaft, and the insert is provided with a screw hole and is fixed by a screw threaded through the second connector.
8. The multi-stage sprocket variable speed flywheel spinning according to claim 1, wherein two groups of support plates are arranged in the speed regulating box body, support bearings are arranged on the two groups of support plates, and the two groups of support plates are respectively used for installing and supporting a rotating shaft and an input shaft.
9. The multi-stage sprocket variable speed flywheel spinning of claim 1, wherein a first gear is arranged on a motor shaft of the rotating motor, an angle sensor is arranged on the speed regulating box body, the angle sensor is provided with a second gear, the second gear is meshed with the first gear, and the angle sensor is connected with the controller.
10. The multi-stage sprocket variable speed flywheel spinning according to claim 9, wherein the spinning body comprises a frame, a saddle arranged on the frame and a holding handle arranged on the frame, a speed regulating button or a speed regulating shifting sheet connected with the controller is arranged on the holding handle, and the speed regulating button or the speed regulating shifting sheet has three-stage variable speed regulation and corresponds to three groups of gears meshed with each other respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322866318.5U CN221061641U (en) | 2023-10-24 | 2023-10-24 | Multi-stage sprocket variable-speed flywheel spinning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322866318.5U CN221061641U (en) | 2023-10-24 | 2023-10-24 | Multi-stage sprocket variable-speed flywheel spinning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221061641U true CN221061641U (en) | 2024-06-04 |
Family
ID=91271686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322866318.5U Active CN221061641U (en) | 2023-10-24 | 2023-10-24 | Multi-stage sprocket variable-speed flywheel spinning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221061641U (en) |
-
2023
- 2023-10-24 CN CN202322866318.5U patent/CN221061641U/en active Active
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