CN217220045U

CN217220045U - Spinning drive mechanism

Info

Publication number: CN217220045U
Application number: CN202220645769.9U
Authority: CN
Inventors: 杨建平
Original assignee: Xiamen Lanqi Precision Industry Co ltd
Current assignee: Xiamen Lanqi Precision Industry Co ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-08-19
Anticipated expiration: 2032-03-23

Abstract

The utility model discloses a spinning drive mechanism, including the frame subassembly, and locate drive assembly, drive assembly and the flywheel assembly of interconnect on the frame subassembly, drive assembly passes through drive assembly drives the flywheel assembly rotates, last pinch roller and the belt of being equipped with of drive assembly, the pinch roller is adjustable the elasticity state of belt. In the scheme, two ends of the belt are sleeved on the driving wheel and the driven wheel in a single-stage transmission mode, parts are few, transmission efficiency is high, manufacturing cost is low, and transmission ratio is increased; in addition, the belt is abutted against the pressing wheel, the tightness state of the belt can be adjusted, the belt does not slip in transmission, the transmission efficiency is improved, the movement effect is ensured, and people can feel comfortable and smooth movement; the outer periphery of the flywheel is covered with a magnetic resistance device, and the distance between the magnetic resistance device and the flywheel is adjustable, so that the movement load can be increased, and the movement requirements of different people can be met.

Description

Spinning drive mechanism

Technical Field

The utility model relates to a sport equipment spinning field specifically is a spinning drive mechanism.

Background

The spinning, also called exercise bicycle, is an indoor body-building apparatus, and after overcoming the disadvantage of outdoor riding, the spinning gradually develops into an aerobic exercise which can make the whole body exercise with the advantages of simplicity, easy learning and high safety. The spinning is basically similar to a common bicycle and comprises a handlebar, a saddle, a pedal, a flywheel and a frame, wherein the body of the spinning is connected into a whole. The spinning on the existing market adopts two-stage transmission between the driving wheel and the driven wheel, so that the transmission speed ratio is small, the number of parts is large, the manufacturing cost is high, the motion load is small for a sporter, and the motion effect and the experience are poor.

SUMMERY OF THE UTILITY MODEL

The utility model solves the above problem, the utility model provides a following technical scheme:

a spinning transmission mechanism comprises a frame assembly, and a driving assembly, a transmission assembly and a flywheel assembly which are arranged on the frame assembly and connected with each other, wherein the driving assembly drives the flywheel assembly to rotate through the transmission assembly, a pressing wheel and a belt are arranged on the transmission assembly, and the pressing wheel can adjust the tightness state of the belt.

Preferably, the frame component is provided with a first frame plate and a second frame plate at opposite intervals, an accommodating cavity is formed between the first frame plate and the second frame plate, and the driving component, the transmission component and the flywheel component are arranged in the accommodating cavity.

Preferably, the first frame plate and the second frame plate are relatively provided with a first mounting hole and a third mounting hole at intervals, the first frame plate is further provided with a second mounting hole, and the second mounting hole is located between the first mounting hole and the third mounting hole.

Preferably, the first mounting hole, the second mounting hole and the third mounting hole are all groove-shaped holes.

Preferably, the driving assembly includes a driving shaft and a driving wheel rotatably disposed on the driving shaft, and the driving shaft vertically penetrates through the driving wheel and is fixedly disposed on the first frame plate and the second frame plate across the first mounting hole.

Preferably, the pinch roller is rotatably arranged on a transmission shaft, and the transmission shaft penetrates through the second mounting hole and is fixedly arranged on the first frame plate.

Preferably, the flywheel assembly comprises a flywheel and a driven wheel which is coaxially connected with the flywheel and is arranged at intervals, a flywheel shaft vertically penetrates through the driven wheel, and the flywheel shaft penetrates through the third mounting hole and is fixedly arranged on the first frame plate and the second frame plate.

Preferably, the ratio of the diameter of the driving wheel to the driven wheel is 4:1 to 8: 1.

Preferably, two ends of the belt are respectively sleeved on the driving wheel and the driven wheel, and the middle part of the belt abuts against the pressing wheel.

Preferably, the outer periphery of the flywheel is covered with a magnetic resistance device, the magnetic resistance device is movably connected with the frame assembly through a spring, and the distance between the magnetic resistance device and the outer periphery of the flywheel is adjustable.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) in the scheme of the utility model, two ends of the belt are sleeved on the driving wheel and the driven wheel, and the belt is in single-stage transmission, has few parts, high transmission efficiency and low manufacturing cost; the ratio of the driving wheel to the driven wheel is 4:1 to 8:1, so that the transmission ratio is increased, and the movement load is increased; in addition, the middle part of the belt is abutted against the pressing wheel, the position of the pressing wheel is adjustable, namely the tightness state of the belt is adjusted by adjusting the position of the pressing wheel, so that the belt does not slip in transmission, the transmission efficiency is improved, the motion effect is ensured, and people feel comfortable and smooth motion.

(2) The utility model discloses in, flywheel outer periphery ring lid is equipped with the magnetic resistance device, the magnetic resistance device can increase the flywheel resistance, promote the motion load, and according to different users 'motion demand, the distance of magnetic resistance device accessible spring adjustment and flywheel outer periphery, be close to flywheel outer periphery more when the magnetic resistance device, then the motion resistance is big more, keep away from flywheel outer periphery more when the magnetic resistance device, then the motion resistance is little, so can fully satisfy different crowds' motion amount demand, it is humanized high, it is many to adapt to the crowd.

Drawings

Fig. 1 is a perspective structural view of a driving mechanism of a spinning according to a preferred embodiment of the present invention;

fig. 2 is a rear view of a spinning transmission according to a preferred embodiment of the present invention;

fig. 3 is a side view of a spinning transmission according to a preferred embodiment of the present invention;

fig. 4 is a partial three-dimensional structure view of a driving mechanism of a spinning according to a preferred embodiment of the present invention;

fig. 5 is a partial rear view of a spinning transmission according to a preferred embodiment of the present invention;

fig. 6 is a partial side view of a spinning transmission according to a preferred embodiment of the present invention.

In the figure:

10-a frame assembly; 11-a first frame plate; 12-a second frame plate; 13-a containing cavity; 14-a first mounting hole; 15-a second mounting hole; 16-a third mounting hole;

20-a drive assembly; 21-a driving wheel; 22-a drive shaft;

30-a transmission assembly; 31-a pinch roller; 32-a belt; 33-a drive shaft;

40-a flywheel assembly; 41-flywheel; 42-a driven wheel; 43-flywheel shaft; 44-a magneto-resistive device; 45-spring.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the following discussion, details are given to provide a more thorough understanding of the present invention. One skilled in the relevant art will recognize, however, that the invention may be practiced without one or more of the specific details. In certain instances, some features that are known in the art have not been described in detail in order to avoid obscuring the present invention. It is to be understood that the terms "upper," "lower," "front," "rear," "left," "right," and the like as used herein, are used herein for descriptive purposes and not for purposes of limitation.

Ordinal words such as "first" and "second" are referred to in the present application only as labels, and do not have any other meanings, such as a specific order or the like. Also, for example, the term "first component" does not itself imply the presence of "second component", and the term "second component" does not itself imply the presence of "first component".

Referring to fig. 1 to 3, a spinning transmission according to a preferred embodiment of the present invention includes a frame assembly 10, and a driving assembly 20, a transmission assembly 30 and a flywheel assembly 40 disposed on the frame assembly 10.

Further, a first frame plate 11 and a second frame plate 12 are arranged on the left side and the right side of the frame assembly 10 at intervals, a hollow accommodating cavity 13 is formed between the first frame plate 11 and the second frame plate 12, and the driving assembly 20, the transmission assembly 30 and the flywheel assembly 40 are all arranged in the accommodating cavity 13 and are connected and rotated with each other.

Further, the upper portions of the first frame plate 11 and the second frame plate 12 are relatively parallel and respectively provided with a first mounting hole 14, the lower portions of the first frame plate 11 and the second frame plate 12 are relatively parallel and respectively provided with a third mounting hole 16, the middle portion of the first frame plate 11 is independently provided with a second mounting hole 15, and the three sets of mounting holes are all groove-shaped.

Further, the driving assembly 20 includes a driving shaft 22 and a driving wheel 21, wherein the driving shaft 22 vertically penetrates through the axle of the driving wheel 21, traverses the first mounting hole 14, and is fixed on the first frame plate 11 and the second frame plate 12 through a screw and a nut. Both ends of the driving shaft 22 are pedals (not shown) of the spinning, and a user steps on the pedals (not shown) to apply force, so as to synchronously drive the driving shaft 22 to rotate, and further drive the driving wheel 21 to rotate.

Referring to fig. 1 to fig. 3, the flywheel assembly 40 includes a flywheel 41 and a driven wheel 42 coaxially connected with the flywheel 41 and disposed at an interval, a flywheel shaft 43 vertically penetrates through the wheel shaft of the flywheel 41 and the driven wheel 42, and the flywheel shaft 43 penetrates through the third mounting hole 16 and is fixed on the first frame plate 11 and the second frame plate 12 through a screw and a nut. In order to increase the transmission ratio and increase the amount of movement load, the ratio of the diameter of the driving wheel 21 to the driven wheel 42 is specifically 4:1 to 8: 1.

Referring to fig. 1 to 3, the driving assembly 30 includes a pressing wheel 31, a driving shaft 33 and a belt 32, the pressing wheel 31 is rotatably disposed on the driving shaft 33, and the driving shaft 33 vertically penetrates through the pressing wheel 31 and the second mounting hole 15, and is fixed to the first frame plate 11 by a screw and a nut.

Referring to fig. 4 to 5, two ends of the belt 32 are respectively tightly fitted on the driving wheel 21 and the driven wheel 42, and the outer side surface of the middle portion of the belt 32 directly abuts on the pressing wheel 31, when a foot pedal (not shown) applies force, the driving shaft 22 drives the driving wheel 21 to rotate, the driving wheel 21 tensions the belt 32 to drive the driven wheel 42 to rotate, the driven wheel 42 then transmits mechanical force to the flywheel 41, so as to realize rotation of the flywheel 41, and the belt 32 abuts on the pressing wheel 31, so that the belt 32 drives the pressing wheel 31 to rotate through motion friction force. Specifically, because second mounting hole 15 is the rectangular shape hole of recess, consequently adjustable transmission shaft 33 is in the fixed position of recess hole, and then the position of adjustable pinch roller 31, changes the elasticity of belt 32 promptly, finally realizes the adjustment of belt 32 elasticity state, and like this scheme can ensure that belt 32 does not skid at the operation in-process, has promoted transmission efficiency, has guaranteed the motion effect, makes people feel comfortable, the happy sense of motion more.

Referring to fig. 1 and 6, the flywheel 41 is further covered with a magnetic resistance device 44, magnetic modules (not shown) are disposed at intervals inside the magnetic resistance device 44, since the flywheel 41 is made of iron, magnetic attraction resistance is generated between the magnetic module (not shown) and the flywheel 41, that is, the magnetic resistance device 44 can increase the rotation resistance of the flywheel 41, so as to increase the rotation resistance of the spinning, and finally increase the exercise load of the user, and according to the exercise requirements of different users, the distance between the magnetic resistance device 44 and the outer periphery of the flywheel 41 can be adjusted by a spring 45 fixed at the lower end of the frame assembly 10, when the magnetic resistance device 44 is closer to the outer periphery of the flywheel 41, the greater the resistance to movement, the further away the reluctance device 44 is from the outer periphery of the flywheel 41, the less the resistance to movement, therefore, the exercise amount requirements of different crowds can be fully met, the humanization is high, and the device is suitable for more crowds.

While the foregoing specification illustrates and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as limited to the disclosed embodiments, and that the invention is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. The spinning transmission mechanism is characterized by comprising a frame assembly, and a driving assembly, a transmission assembly and a flywheel assembly which are arranged on the frame assembly and connected with each other, wherein the driving assembly drives the flywheel assembly to rotate through the transmission assembly, a pressing wheel and a belt are arranged on the transmission assembly, and the tightness state of the belt can be adjusted through the pressing wheel.

2. The spinning transmission of claim 1, wherein: the frame subassembly is equipped with first frame plate and second frame plate at the relative interval, first frame plate with be equipped with the holding chamber between the second frame plate, drive assembly with transmission assembly reaches flywheel assembly locates the holding intracavity.

3. A spinning transmission according to claim 2, characterised in that: the first frame plate and the second frame plate are relatively provided with a first mounting hole and a third mounting hole at intervals, the first frame plate is further provided with a second mounting hole, and the second mounting hole is located between the first mounting hole and the third mounting hole.

4. A spinning transmission according to claim 3 wherein: the first mounting hole, the second mounting hole and the third mounting hole are all groove-shaped holes.

5. A spinning transmission according to claim 4 wherein: the driving assembly comprises a driving shaft and a driving wheel which is rotatably arranged on the driving shaft, and the driving shaft vertically penetrates through the driving wheel and is fixedly arranged on the first frame plate and the second frame plate by crossing the first mounting hole.

6. A spinning transmission according to claim 5 wherein: the pinch roller rotates and is arranged on a transmission shaft, and the transmission shaft penetrates through the second mounting hole and is fixedly arranged on the first frame plate.

7. The spinning transmission of claim 6, wherein: the flywheel assembly comprises a flywheel and driven wheels which are coaxially connected with the flywheel and are arranged at intervals, a flywheel shaft vertically penetrates through the flywheel and the driven wheels, and the flywheel shaft penetrates through the third mounting hole and is fixedly arranged on the first frame plate and the second frame plate.

8. The spinning transmission of claim 7, wherein: the diameter ratio of the driving wheel to the driven wheel is 4:1 to 8: 1.

9. The spinning transmission of claim 8, wherein: two ends of the belt are respectively sleeved on the driving wheel and the driven wheel in a sleeved mode, and the middle portion of the belt abuts against the pressing wheel.

10. A spinning transmission according to claim 9 wherein: the outer periphery of the flywheel is covered with a magnetic resistance device, the magnetic resistance device is movably connected with the frame assembly through a spring, and the distance between the magnetic resistance device and the outer periphery of the flywheel is adjustable.