CN210751098U - High speed ratio exercise bicycle structure - Google Patents
High speed ratio exercise bicycle structure Download PDFInfo
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- CN210751098U CN210751098U CN201921221380.6U CN201921221380U CN210751098U CN 210751098 U CN210751098 U CN 210751098U CN 201921221380 U CN201921221380 U CN 201921221380U CN 210751098 U CN210751098 U CN 210751098U
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Abstract
The utility model discloses a high speed ratio exercise bicycle structure, which comprises a bicycle body, a pedal mechanism and a damping wheel mechanism; the damping wheel mechanism and the pedal mechanism are installed on the vehicle body, and a driving wheel of the pedal mechanism is in transmission connection with a driven wheel of the damping wheel mechanism through a speed increasing mechanism. The utility model discloses an acceleration mechanism can effectively improve the action wheel and follow the transmission speed ratio between the driving wheel for people can just can make the damping wheel have higher rotational speed with the lower frequency of stepping on the pedal, thereby alleviate people's knee damage.
Description
Technical Field
The utility model relates to the field of fitness equipment, in particular to a high-speed ratio exercise bicycle structure.
Background
The existing exercise bicycle is manufactured by the structural principle of a traditional bicycle, and is different from the traditional bicycle in that the bicycle can run on a road, but the exercise bicycle usually cannot run on the road and can only imitate the bicycle in situ to provide people for doing exercises, so that the purpose of competition or exercise is achieved. Exercise bicycles typically include a body, a footrest mechanism, and a damper wheel mechanism; the bicycle body can be stably placed on the ground or on a plane, a handle and a seat are arranged on the bicycle body for a rider to sit and hold, and the pedal mechanism and the damping wheel mechanism are respectively arranged on the bicycle body; the damping wheel mechanism comprises a damping wheel and a driven wheel, the damping wheel is rotatably arranged on the front side of the vehicle body, the driven wheel and the damping wheel are coaxially arranged, the driven wheel and the damping wheel synchronously rotate, and the diameter of the driven wheel is smaller than that of the damping wheel; the pedal mechanism comprises a driving wheel, a crank and pedals, the crank comprises a transverse rod rotatably mounted on the rear side of the bicycle body and two vertical rods respectively connected with two ends of the transverse rod, the pedals are respectively mounted on the two vertical rods, the driving wheel is mounted on the transverse rod and synchronously rotates along with the transverse rod, and the driving wheel is directly connected with the driven wheel through a belt or a chain in a transmission mode. The action wheel of current exercise bicycle is direct to be connected with from the driving wheel transmission through belt or chain, this makes the action wheel and follow only one-level transmission between the driving wheel, the transmission velocity ratio is lower, when leading to people to use exercise bicycle body-building, people need increase the frequency of trampling the pedal and make the action wheel have higher rotational speed, so that damping wheel rotational speed is higher, just so can improve the amount of exercise, realize better motion effect, but trampling the frequency too fast also can cause the injury to the knee, consequently how to improve the action wheel and follow the problem that transmission velocity ratio between the driving wheel becomes one kind and need solve, and current exercise bicycle is if will improve the action wheel and follow the diameter of driving wheel and generally adopt to do greatly, this can lead to exercise bicycle's oversize.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high speed ratio exercise bicycle structure, the action wheel of its pedal mechanism and damping wheel mechanism from the high ratio of transmission speed between the driving wheel.
In order to achieve the above purpose, the solution of the present invention is:
a high speed ratio exercise bicycle structure comprises a bicycle body, a pedal mechanism and a damping wheel mechanism; the damping wheel mechanism comprises a damping wheel and a driven wheel, the damping wheel is rotatably arranged on the front side of the vehicle body, the driven wheel and the damping wheel are coaxially arranged, the driven wheel and the damping wheel synchronously rotate, and the diameter of the driven wheel is smaller than that of the damping wheel; the pedal mechanism comprises a driving wheel, a crank and pedals, the crank comprises a cross rod which is rotatably arranged at the rear side of the bicycle body and two vertical rods which are respectively connected with the two ends of the cross rod, the pedals are respectively arranged on the two vertical rods, and the driving wheel is arranged on the cross rod and synchronously rotates along with the cross rod; the driving wheel is in transmission connection with the driven wheel through a speed increasing mechanism; the speed increasing mechanism comprises a first driving wheel and a second driving wheel which are coaxially arranged, the first driving wheel and the second driving wheel are rotatably arranged on the middle part of the vehicle body and synchronously rotate, and the first driving wheel is in transmission fit with the driving wheel through a belt or a chain; the second driving wheel is in transmission fit with the driven wheel through a belt or a chain, the diameter of the first driving wheel is smaller than that of the driving wheel, and the diameter of the second driving wheel is larger than that of the first driving wheel and that of the driven wheel.
The first driving wheel and the second driving wheel are coaxially connected through a connecting shaft; the connecting shaft is rotatably arranged on the middle part of the vehicle body; the first driving wheel is in threaded connection with one side of the connecting shaft, the rotating disc is arranged on the other side of the connecting shaft, and the second driving wheel is locked on the rotating disc through a bolt.
Two limit nuts are connected to the connecting shaft in a threaded mode and abut against two sides of the first driving wheel respectively, and the locking directions of the two limit nuts are opposite to the locking direction of the first driving wheel.
The transverse rod is provided with a fixed disc, and the driving wheel is locked on the fixed disc through a bolt.
The peripheral wall of the damping wheel is provided with a plurality of fan blades.
The car body is provided with a hollow cover for covering the damping wheel.
The bicycle comprises a bicycle body, a bicycle body and a bicycle handle, wherein the bicycle body comprises a base, a front support, a middle support and a rear support, the front support, the middle support and the rear support are respectively fixed at the front part, the middle part and the rear part of the base, a seat cushion is arranged on the rear support, a handrail is arranged on the front support, a damping wheel is rotatably arranged at the lower part of the front support, and a cross rod of a crank is rotatably arranged at the lower part of the rear support; the first driving wheel and the second driving wheel are rotatably arranged on the middle bracket.
The diameters of the driving wheel and the second driving wheel are both 200mm, and the diameters of the first driving wheel and the second driving wheel are both 68 mm.
After the scheme is adopted, the utility model discloses an acceleration mechanism can make the action wheel and drive through the two-stage transmission mode between the follow driving wheel, can effectively improve the action wheel and follow the transmission velocity ratio between the driving wheel for people can just can make the damping wheel have higher rotational speed with the lower frequency of stepping on the pedal, thereby alleviate people's knee damage.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of a partial structure of the present invention 1;
fig. 3 is a schematic view of a partial structure of the present invention 2;
FIG. 4 is a partially exploded view of the pedal mechanism of the present invention;
FIG. 5 is an exploded view of the speed increasing mechanism of the present invention;
FIG. 6 is an exploded view of the damping wheel mechanism of the present invention;
description of reference numerals:
the bicycle comprises a bicycle body 1, a base 11, a front bracket 12, a middle bracket 13, a rear bracket 14, a seat cushion 15, a handrail 16, a hollow cover 17,
pedal mechanism 2, driving wheel 21, crank 22, crossbar 221, fixing plate 2211, vertical bar 222, pedal 23,
a speed increasing mechanism 4, a first driving wheel 41, a second driving wheel 42, a connecting shaft 43, a turntable 431, a limit nut 44 and a fixed shaft 45,
the chain (5) is provided with a chain,
the length of the belt (6),
and a bearing 7.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.
As shown in fig. 1 to 6, the present invention discloses a high speed ratio exercise bike structure, which comprises a body 1, a pedal mechanism 2 and a damping wheel mechanism 3; the damping wheel mechanism 3 comprises a damping wheel 31 and a driven wheel 32, the damping wheel 31 is rotatably arranged on the front side of the vehicle body 1, the driven wheel 32 and the damping wheel 31 are coaxially arranged, and the driven wheel 32 and the damping wheel 31 synchronously rotate; the pedal mechanism 2 comprises a driving wheel 21, a crank 22 and pedals 23, the crank 22 comprises a cross rod 221 rotatably mounted on the rear side of the vehicle body 1 and two vertical rods 222 respectively connected with two ends of the cross rod 221, the pedals 23 are respectively mounted on the two vertical rods 222, the driving wheel 21 is mounted on the cross rod 221 and synchronously rotates along with the cross rod 221, the driving wheel 21 is in transmission connection with the driven wheel 32, and therefore when people pedal the pedals 23 and the driving wheel 21 rotates, the driving wheel 21 drives the driven wheel 32 to rotate, and further the damping wheel 31 is driven to rotate.
As shown in fig. 1 to fig. 6, the key point of the present invention is: the driving wheel 21 is in transmission connection with the driven wheel 32 through a speed increasing mechanism 4, and the transmission speed ratio between the driving wheel 21 and the driven wheel 32 is improved through the speed increasing mechanism 4; as shown in fig. 2 to 6, the speed increasing mechanism 4 includes a first driving wheel 41 and a second driving wheel 42 coaxially disposed, the first driving wheel 41 and the second driving wheel 42 are rotatably mounted on the middle portion of the vehicle body 1, the first driving wheel 41 and the second driving wheel 42 rotate synchronously, the first driving wheel 41 and the driving wheel 21 are in a sprocket structure, the first driving wheel 41 is in transmission fit with the driving wheel 21 through a chain 5, the second driving wheel 42 and the driven wheel 32 are in a pulley structure, the second driving wheel 42 is in transmission fit with the driven wheel 32 through a belt 6, the diameter of the first driving wheel 41 is smaller than that of the driving wheel 21, the diameter of the second driving wheel 42 is larger than that of the first driving wheel 41 and the driven wheel 21, so that two-stage transmission is formed between the driving wheel 21 and the driven wheel 32, the transmission speed ratio between the driving wheel 21 and the driven wheel 32 can be effectively improved, and people can tread the damping wheel 31 with a low frequency, thereby relieving the knee injury of people. The diameters of the driving wheel 21 and the second transmission wheel 42 can be 200mm, and the diameters of the first transmission wheel 41 and the driven wheel 32 are 68 mm. It should be noted that the first driving wheel 41 and the driving wheel 21 may also adopt a pulley structure, such that the first driving wheel 41 can be in transmission fit with the driving wheel 21 through a belt, and the second driving wheel 42 and the driven wheel 32 may also adopt a chain structure, such that the second driving wheel 42 can be in transmission fit with the driven wheel 32 through a chain.
Specifically, as shown in fig. 1 to 3, the vehicle body 1 includes a base 11, a front bracket 12, a middle bracket 13, and a rear bracket 14, the front bracket 12, the middle bracket 13, and the rear bracket 14 are respectively fixed at the front, middle, and rear portions of the base 11, a seat cushion 15 is mounted on the rear bracket 14 for people to sit on, and a handrail 16 is mounted on the front bracket 12 for people to hold.
As shown in fig. 2, 3 and 6, the damping wheel 31 can be rotatably mounted on a spindle 33 through the bearing 7, and the spindle 33 is locked on the lower part of the front bracket 12, so that the damping wheel 31 can be rotatably mounted on the lower part of the front bracket 1 at the front side of the vehicle body 1; the damping wheel 31 and the driven wheel 32 can be integrally formed; the peripheral wall of the damping wheel 31 may be provided with a plurality of fan blades 311 to make the damping wheel 31 form an impeller structure, so that the higher the rotation speed of the damping wheel 31 is, the greater the resistance force applied to the damping wheel 31 is, so that people can increase the amount of exercise by increasing the rotation speed of the damping wheel 31, and in order to prevent the fan blades 311 from cutting the human body, the vehicle body 1 may be provided with a hollow cover 17 for covering the damping wheel 31.
As shown in fig. 2, 3 and 4, the cross bar 221 of the crank 22 may be rotatably mounted on the lower portion of the rear bracket 14 on the rear side of the vehicle body 1 through a bearing 7; the cross bar 221 is provided with a fixing plate 2211, and the driving wheel 21 is locked on the fixing plate 2211 through bolts so that the driving wheel 21 and the cross bar 221 rotate synchronously.
As shown in fig. 2, 3 and 5, the first transmission wheel 41 and the second transmission wheel 42 can be coaxially connected through a connecting shaft 43; the first driving wheel 41 is in threaded connection with one side of the connecting shaft 43, the turntable 431 is arranged on the other side of the connecting shaft 43, the second driving wheel 43 is locked on the turntable 431 through bolts, in order to prevent the first driving wheel 41 and the connecting shaft 43 from falling off, two limiting nuts 44 are screwed on the connecting shaft 43, the two limiting nuts 44 respectively abut against two sides of the first driving wheel 41, and the locking directions of the two limiting nuts 44 are opposite to the locking direction of the first driving wheel 41. As shown in fig. 5, the connecting shaft 43 may be a hollow structure, the connecting shaft 43 may be rotatably sleeved with a fixing shaft 45, a bearing is disposed between the fixing shaft 45 and the connecting shaft 43 to ensure stable rotation of the connecting shaft 43, and the fixing shaft 45 is fixed on the middle bracket 13 at the middle portion of the vehicle body 1, such that the first driving wheel 41 and the second driving wheel 42 are rotatably mounted on the middle bracket 13 of the vehicle body 1. It should be noted that the connecting shaft 43 may also be rotatably mounted on the middle bracket 13 in the middle of the vehicle body 1 directly through a bearing.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.
Claims (8)
1. A high speed ratio exercise bicycle structure comprises a bicycle body, a pedal mechanism and a damping wheel mechanism; the damping wheel mechanism comprises a damping wheel and a driven wheel, the damping wheel is rotatably arranged on the front side of the vehicle body, the driven wheel and the damping wheel are coaxially arranged, the driven wheel and the damping wheel synchronously rotate, and the diameter of the driven wheel is smaller than that of the damping wheel; the pedal mechanism comprises a driving wheel, a crank and pedals, the crank comprises a cross rod which is rotatably arranged at the rear side of the bicycle body and two vertical rods which are respectively connected with the two ends of the cross rod, the pedals are respectively arranged on the two vertical rods, and the driving wheel is arranged on the cross rod and synchronously rotates along with the cross rod; the method is characterized in that:
the driving wheel is in transmission connection with the driven wheel through a speed increasing mechanism; the speed increasing mechanism comprises a first driving wheel and a second driving wheel which are coaxially arranged, the first driving wheel and the second driving wheel are rotatably arranged on the middle part of the vehicle body and synchronously rotate, and the first driving wheel is in transmission fit with the driving wheel through a belt or a chain; the second driving wheel is in transmission fit with the driven wheel through a belt or a chain, the diameter of the first driving wheel is smaller than that of the driving wheel, and the diameter of the second driving wheel is larger than that of the first driving wheel and that of the driven wheel.
2. A high speed ratio exercise bicycle structure as defined in claim 1, wherein: the first driving wheel and the second driving wheel are coaxially connected through a connecting shaft; the connecting shaft is rotatably arranged on the middle part of the vehicle body; the first driving wheel is in threaded connection with one side of the connecting shaft, the rotating disc is arranged on the other side of the connecting shaft, and the second driving wheel is locked on the rotating disc through a bolt.
3. A high speed ratio exercise bicycle structure as defined in claim 2, wherein: two limit nuts are connected to the connecting shaft in a threaded mode and abut against two sides of the first driving wheel respectively, and the locking directions of the two limit nuts are opposite to the locking direction of the first driving wheel.
4. A high speed ratio exercise bicycle structure as defined in claim 1, wherein: the transverse rod is provided with a fixed disc, and the driving wheel is locked on the fixed disc through a bolt.
5. A high speed ratio exercise bicycle structure as defined in claim 1, wherein: the peripheral wall of the damping wheel is provided with a plurality of fan blades.
6. A high speed ratio exercise bicycle structure as defined in claim 5, wherein: the car body is provided with a hollow cover for covering the damping wheel.
7. A high speed ratio exercise bicycle structure as defined in claim 1, wherein: the bicycle comprises a bicycle body, a bicycle body and a bicycle handle, wherein the bicycle body comprises a base, a front support, a middle support and a rear support, the front support, the middle support and the rear support are respectively fixed at the front part, the middle part and the rear part of the base, a seat cushion is arranged on the rear support, a handrail is arranged on the front support, a damping wheel is rotatably arranged at the lower part of the front support, and a cross rod of a crank is rotatably arranged at the lower part of the rear support; the first driving wheel and the second driving wheel are rotatably arranged on the middle bracket.
8. A high speed ratio exercise bicycle structure as defined in claim 1, wherein: the diameters of the driving wheel and the second driving wheel are both 200mm, and the diameters of the first driving wheel and the second driving wheel are both 68 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921221380.6U CN210751098U (en) | 2019-07-30 | 2019-07-30 | High speed ratio exercise bicycle structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921221380.6U CN210751098U (en) | 2019-07-30 | 2019-07-30 | High speed ratio exercise bicycle structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210751098U true CN210751098U (en) | 2020-06-16 |
Family
ID=71031702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921221380.6U Active CN210751098U (en) | 2019-07-30 | 2019-07-30 | High speed ratio exercise bicycle structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210751098U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112451915A (en) * | 2020-11-14 | 2021-03-09 | 上海润米科技有限公司 | Body-building cycle |
-
2019
- 2019-07-30 CN CN201921221380.6U patent/CN210751098U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112451915A (en) * | 2020-11-14 | 2021-03-09 | 上海润米科技有限公司 | Body-building cycle |
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