CN222218529U - A rowing machine with adjustable wind resistance - Google Patents
A rowing machine with adjustable wind resistance Download PDFInfo
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- CN222218529U CN222218529U CN202420033060.2U CN202420033060U CN222218529U CN 222218529 U CN222218529 U CN 222218529U CN 202420033060 U CN202420033060 U CN 202420033060U CN 222218529 U CN222218529 U CN 222218529U
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- wind wheel
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- fan blade
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- 230000007246 mechanism Effects 0.000 claims abstract description 68
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
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- 239000002184 metal Substances 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses an adjustable wind resistance rowing machine which comprises a frame, a wind wheel mechanism, a handle mechanism and a control mechanism, wherein the wind wheel mechanism comprises a wind wheel shaft connected to the frame and a wind wheel connected with the wind wheel shaft, the wind wheel comprises a connecting piece and a fan blade, the connecting piece is rotatably sleeved with the wind wheel shaft, the fan blade is rotatably connected with the connecting piece around a central line, the handle mechanism is in transmission connection with the connecting piece and is configured to drive the wind wheel to rotate through force applied by a user, the control mechanism is connected with the fan blade and is configured to control the fan blade to rotate relative to the connecting piece, when the fan blade rotates relative to the connecting piece, the projection area of the fan blade on a stress surface is increased or reduced, and the stress surface is parallel to or passes through the central line and the axial line of the wind wheel shaft. The wind wheel of the adjustable wind resistance rowing machine does not need to use magnetic metal, and can effectively reduce the dead weight and inertia of the wind wheel.
Description
Technical Field
The utility model relates to the field of rowing machines, in particular to an adjustable wind resistance rowing machine.
Background
The rowing machine is used for simulating rowing actions and training muscle tissues of hands, legs, waist and the like, and is beneficial to improving the physiological flexibility of muscle groups.
The rowing machine is divided into windage, magnetic resistance, water resistance and mixed resistance rowing machine according to different resistance sources, wherein the windage rowing machine is provided with a permanent magnet and a resistance adjusting device for adjusting the resistance, the resistance adjusting device adjusts the resistance between the permanent magnet and a metal fan wheel set by adjusting the gap between the permanent magnet and the metal fan wheel set, the smaller the gap is, the larger the resistance is, and the smaller the resistance is. This approach suffers from the following disadvantages:
The fan wheel set of the wind-resistant rowing machine usually uses magnetic metal because of the magnetic attraction effect with the permanent magnet, and has the defects of large weight and inertia because of the characteristic of the magnetic metal.
Disclosure of Invention
(One) solving the technical problems
The utility model provides an adjustable wind resistance rowing machine, which at least solves the technical problems of adjusting the resistance of the rowing machine and reducing the weight and inertia of a fan wheel set.
(II) technical scheme
In order to solve the technical problems, the utility model provides the following technical scheme:
An adjustable windage rowing machine comprising:
A frame;
The wind wheel mechanism comprises a wind wheel shaft connected to the frame and a wind wheel connected with the wind wheel shaft, wherein the wind wheel comprises a connecting piece and a fan blade, the connecting piece is rotatably sleeved with the wind wheel shaft, and the fan blade is rotatably connected with the connecting piece around a central line;
The handle mechanism is in transmission connection with the connecting piece and is configured to drive the wind wheel to rotate through the application of force of a user;
the control mechanism is connected with the fan blades and is configured to control the fan blades to rotate relative to the connecting piece;
When the fan blade rotates relative to the connecting piece, the projection area of the fan blade on the stress surface is increased or reduced, wherein the stress surface is parallel to or passes through the central line and the axial line of the fan shaft.
In some embodiments, the wind wheel mechanism further comprises a wind wheel fixing seat and a connecting rod, wherein the wind wheel fixing seat is sleeved on the outer side of the wind wheel shaft in a sliding mode and is hinged to the connecting rod, the connecting rod is hinged to the fan blade, and the control mechanism is connected with the wind wheel fixing seat and is configured to control the wind wheel fixing seat to slide on the wind wheel shaft so as to enable the fan blade to rotate relative to the connecting piece.
In some embodiments, the control mechanism includes a push rod movably disposed through the frame and connected to the wind wheel fixing base, and configured to push the wind wheel fixing base to move on the wind wheel shaft.
In some embodiments, the control mechanism further comprises a rotating member and a pulling member, the rotating member is rotatably connected with the frame, the rotating member comprises a first connecting plate and a second connecting plate, the first connecting plate is provided with an adjusting hole, the push rod is provided with a connecting pin, the connecting pin movably penetrates through the adjusting hole, and the pulling member is connected with the second connecting plate and is configured to control the rotating member to rotate so that the first connecting plate pushes the push rod to move through the connecting pin.
In some embodiments, the pulling member comprises a first pull rod, a pull wire, a second pull rod and a control handle, wherein the first pull rod is hinged with the second connecting plate, one end of the pull wire is connected with the first pull rod, the other end of the pull wire is connected with the second pull rod, the second pull rod is hinged with the control handle, and the control handle is movably arranged on the frame.
In some embodiments, the pulling member further comprises a sleeve, the sleeve is sleeved with the first pull rod and the pull wire respectively, or sleeved with the second pull rod and the pull wire respectively, the sleeve is arranged on the sleeve in a penetrating manner, and the sleeve is arranged on the frame.
In some embodiments, the handle mechanism comprises a handle, a pull rope, a unidirectional shaft and a driving wheel, wherein the unidirectional shaft is connected with the rack, the driving wheel is rotatably sleeved on the unidirectional shaft and is in transmission connection with the connecting piece, the pull rope is configured to pull the driving wheel to rotate, and the handle is connected with the pull rope.
In some embodiments, the drive wheel is provided with a sprocket and the pull cord is provided with a chain connected to the sprocket and configured to pull the sprocket to rotate.
(III) beneficial effects
Compared with the prior art, the adjustable wind resistance rowing machine provided by the utility model has the following beneficial effects:
When the adjustable wind resistance rowing machine works, as the wind wheel needs to resist air flow resistance when rotating, a user can play a role in training when driving the wind wheel to rotate by applying force through the handle mechanism, when the training resistance needs to be adjusted, the user can control the fan blades to rotate relative to the connecting piece through the control mechanism, so that the projection area of the fan blades on the stress surface is increased or reduced, wherein the stress surface is parallel or passes through the central line and the axial line of the wind wheel shaft, the resistance of the wind wheel against air flow when rotating along with the wind wheel shaft can be changed, and the force application required by the user can be further adjusted.
Drawings
FIG. 1 is a perspective view of an adjustable wind resistance rowing machine in an embodiment.
Fig. 2 is a front view of an adjustable wind resistance rowing machine in an embodiment.
FIG. 3 is a cross-sectional view of the wind turbine mechanism of the embodiment taken along section A-A in FIG. 2.
Fig. 4 is a perspective view of the control mechanism and the wind turbine mechanism connection in an embodiment.
Fig. 5 is a perspective view of the connection of the handle mechanism and the wind turbine mechanism in an embodiment.
Reference numerals:
A frame 1;
the wind wheel mechanism 2, the wind wheel shaft 21, the connecting piece 22, the fan blades 23, the wind wheel fixing seat 24 and the connecting rod 25;
The handle mechanism 3, the handle 31, the pull rope 32, the unidirectional shaft 33, the driving wheel 34, the belt pulley 35 and the belt 36;
The control mechanism 4, the push rod 41, the rotating member 42, the pulling member 43, the first connecting plate 421, the second connecting plate 422, the adjusting hole 423, the connecting pin 424, the first pull rod 431, the pull wire 432, the second pull rod 433, the control handle 434, the sleeve 435, the sleeve 436;
an operation panel 5, a slide seat 6, and a pedal 7.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
The fan wheel set of the existing wind resistance rowing machine needs to generate magnetic attraction with the permanent magnet to change the resistance, usually magnetic metal is used, and the fan wheel set has the defect of larger weight and inertia due to the characteristic of the magnetic metal.
In order to solve the above-mentioned problems, the present embodiment provides an adjustable wind-resistant rowing machine, please refer to fig. 1 to 3, fig. 1 is a perspective view of the adjustable wind-resistant rowing machine in the embodiment, fig. 2 is a front view of the adjustable wind-resistant rowing machine in the embodiment, and fig. 3 is a cross-sectional view of a wind turbine mechanism in the embodiment in section a in fig. 2.
The wind resistance adjustable rowing machine comprises a frame 1, a wind wheel mechanism 2, a handle mechanism 3 and a control mechanism 4.
The frame 1 is used as a mounting bracket of the wind wheel mechanism 2, the handle mechanism 3 and the control mechanism 4, and the frame 1 can be further provided with an operation panel 5, a sliding seat 6, a pedal 7 and other conventional components, and it is understood that the frame 1 can comprise a main body and a split part with fixed position relative to the main body.
The wind wheel mechanism 2 comprises a wind wheel shaft 21 connected to the frame 1 and a wind wheel connected with the wind wheel shaft 21, wherein the wind wheel comprises a connecting piece 22 and fan blades 23, the connecting piece 22 is rotatably sleeved with the wind wheel shaft 21, and the fan blades 23 are rotatably connected with the connecting piece 22 around a central line.
The wind wheel mechanism 2 is used for providing resistance to rowing, wherein a wind wheel can rotate around a wind wheel shaft 21, a connecting piece 22 of the wind wheel and the wind wheel shaft 21 can be connected through a bearing so as to rotate relatively, a fan blade 23 can be connected with a shaft sleeve on the connecting piece 22 through a shaft piece so as to realize rotating connection with the connecting piece 22 around a central line, the connecting piece 22 can be disc-shaped so as to connect a plurality of fan blades 23 at the same time, and the material of the fan blade 23 can be selected according to the requirement, and when the weight and inertia are required to be reduced, the material such as plastic, carbon fiber and the like can be selected.
The handle mechanism 3 is in transmission connection with the connecting piece 22 and is configured to drive the wind wheel to rotate by the force applied by a user.
The handle mechanism 3 is used for a user to pull to perform rowing exercise, and the user needs to apply pulling force to resist the resistance of the wind wheel rotation during the exercise.
The control mechanism 4 is configured to control rotation of the fan blades 23 relative to the connection 22.
The control mechanism 4 may be a mechanism that can control the rotation of the fan blade 23 relative to the connector 22, may be a manual control mechanism or an automatic control mechanism, and may be an electronic control mechanism or a mechanical control mechanism.
When the fan blades 23 rotate relative to the connecting piece 22, the projection area of the fan blades 23 on the stress surface is increased or reduced, wherein the stress surface of one fan blade 23 is parallel to or passes through the central line of the fan blade 23 and the axial line of the wind wheel shaft 21, when the fan blades 23 are parallel to the stress surface, the projection area is maximum, the resistance is also maximum, and when the fan blades 23 are perpendicular to the stress surface, the projection area is minimum, and the resistance is also minimum.
When the adjustable wind resistance rowing machine works, a user applies force to drive the wind wheel shaft 21 to rotate through the handle mechanism 3, and the wind wheel needs to resist air flow resistance to play a role in exercise when the wind wheel shaft 21 rotates, and when the resistance needs to be adjusted, the user can control the fan blades 23 to rotate relative to the connecting piece 22 through the control mechanism 4 to enable the projection area of the fan blades 23 on a stress surface to be increased or decreased, wherein the stress surface is parallel to or passes through the first central line and the second central line, the resistance of the wind wheel against air flow when the wind wheel rotates along with the wind wheel shaft 21 can be changed, and the force application required by the user can be adjusted.
Referring to fig. 3 and 4, fig. 4 is a perspective view of a control mechanism and a wind turbine mechanism connection in an embodiment. In one embodiment of the control mechanism 4 for controlling the wind wheel to rotate, the wind wheel mechanism 2 further comprises a wind wheel fixing seat 24 and a connecting rod 25, wherein the wind wheel fixing seat 24 is slidably sleeved on the outer side of the wind wheel shaft 21, one end of the connecting rod 25 is hinged with the wind wheel fixing seat 24, the other end of the connecting rod is hinged with the fan blade 23, the control mechanism 4 is connected with the wind wheel fixing seat 24, and when the control mechanism 4 works, the control mechanism 4 can control the wind wheel fixing seat 24 to slide on the wind wheel shaft 21 in a push-pull mode, and the wind wheel fixing seat 24 pushes the fan blade 23 to rotate relative to the connecting piece 22 through the connecting rod 25.
Referring to fig. 3, further, the control mechanism 4 may push the wind wheel fixing seat 24 through a push rod 41, where the push rod 41 is movably penetrating through the frame 1 and connected to the wind wheel fixing seat 24, and configured to push the wind wheel fixing seat 24 to move on the wind wheel shaft 21, and on this basis, the control mechanism 4 may control the push rod 41 to move by a manual or linear driving mechanism or the like.
Referring to fig. 3 and 4, in one embodiment of the control mechanism 4 for controlling the movement of the push rod 41, the control mechanism 4 further includes a rotating member 42 and a pulling member 43, the rotating member 42 is rotatably connected with the frame 1, the rotating member 42 includes a first connecting plate 421 and a second connecting plate 422, the first connecting plate 421 is provided with an adjusting hole 423, the push rod 41 is provided with a connecting pin 424, the connecting pin 424 movably penetrates through the adjusting hole 423 and can move in the length direction of the adjusting hole 423, the pulling member 43 is connected with the second connecting plate 422, wherein the rotating member 42 can be connected with a resistance device, and the resistance device provides resistance for the rotating member 42, so that the rotating member 42 can be fixed at a corresponding position after rotating, and the linkage fan blade 23 is fixed at a corresponding angle. In operation, the pulling member 43 controls the rotation member 42 to rotate, so that the first connecting plate 421 pushes the push rod 41 to move through the connecting pin 424.
Referring to fig. 3 and 4, further, the pulling member 43 includes a first pull rod 431, a pull wire 432, a second pull rod 433 and a control handle 434, where the first pull rod 431 is hinged with the second connection board 422, one end of the pull wire 432 is connected with the first pull rod 431, the other end is connected with the second pull rod 433, the second pull rod 433 is hinged with the control handle 434, and the control handle 434 is movably disposed on the frame 1, and the pull wire 432 may be a brake cable, and the control handle 424 may be hinged on the frame 1 through a shaft member.
Referring to fig. 4, for convenience of adjusting the stay 432, the pulling member 43 further includes a sleeve 435, the sleeve 435 is sleeved with the first pull rod 431 and the stay 432, or is sleeved with the second pull rod 433 and the stay 432, the sleeve 435 is arranged on a sleeve 436 in a penetrating manner, and the sleeve 436 can be directly fixed or connected to the frame 1 through a universal joint.
Referring to fig. 5, fig. 5 is a perspective view illustrating a connection between a handle mechanism and a wind turbine mechanism according to an embodiment.
In one embodiment of the handle mechanism 3 for driving the wind wheel to rotate, the handle mechanism 3 comprises a handle 31, a pull rope 32, a unidirectional shaft 33 and a driving wheel 34, wherein the unidirectional shaft 33 is connected to the frame 1, the driving wheel 34 is rotatably sleeved on the unidirectional shaft 33 and is in transmission connection with the connecting piece 22, the pull rope 32 is configured to pull the driving wheel 34 to rotate, and the handle is connected with the pull rope 32. When the connecting piece is in operation, a user pulls the pull rope 32 through the pull handle 31, the pull rope 32 drives the driving wheel 34 to rotate, and the driving wheel 34 drives the connecting piece 22 to rotate.
In one connection manner of the pull rope 32 and the unidirectional shaft 33, the driving wheel 34 fixes a sprocket wheel and rotates synchronously with the sprocket wheel, the pull rope 32 is provided with a chain, and the chain is connected with the sprocket wheel and is configured to pull the sprocket wheel to rotate. In operation, the pull cord 32 pulls the chain, which drives the sprocket to rotate, which in turn drives the drive wheel 34 to rotate.
The driving wheel 34 and the connecting piece 22 can be respectively connected with a belt wheel 35, the belt wheels 35 are connected through a belt 36, so that the driving connection is realized, and of course, the unidirectional shaft 33 and the connecting piece 22 can also be connected through a gear set, a chain wheel and the like.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An adjustable windage rowing machine, comprising:
A frame;
The wind wheel mechanism comprises a wind wheel shaft connected to the frame and a wind wheel connected with the wind wheel shaft, wherein the wind wheel comprises a connecting piece and a fan blade, the connecting piece is rotatably sleeved with the wind wheel shaft, and the fan blade is rotatably connected with the connecting piece around a central line;
The handle mechanism is in transmission connection with the connecting piece and is configured to drive the wind wheel to rotate through the application of force of a user;
The control mechanism is configured to control the fan blades to rotate relative to the connecting piece;
When the fan blade rotates relative to the connecting piece, the projection area of the fan blade on the stress surface is increased or reduced, wherein the stress surface is parallel to or passes through the central line and the axial line of the fan shaft.
2. The adjustable wind resistance rowing machine of claim 1, wherein the wind wheel mechanism further comprises a wind wheel fixing seat and a connecting rod, wherein the wind wheel fixing seat is sleeved on the outer side of the wind wheel shaft in a sliding mode and is hinged with the connecting rod, the connecting rod is hinged with the fan blade, and the control mechanism is connected with the wind wheel fixing seat and is configured to control the wind wheel fixing seat to slide on the wind wheel shaft so as to enable the fan blade to rotate relative to the connecting piece.
3. The adjustable wind resistance rowing machine of claim 2, wherein the control mechanism includes a push rod movably disposed through the frame and connected to the wind wheel mount and configured to urge the wind wheel mount to move on the wind wheel shaft.
4. The adjustable wind resistance rowing machine of claim 3, wherein the control mechanism further includes a rotating member and a pulling member;
The rotating piece is rotationally connected with the frame and comprises a first connecting plate and a second connecting plate, the first connecting plate is provided with an adjusting hole, the push rod is provided with a connecting pin, and the connecting pin movably penetrates through the adjusting hole;
The pulling piece is connected with the second connecting plate and is configured to control the rotating piece to rotate so that the first connecting plate pushes the push rod to move through the connecting pin.
5. The adjustable wind resistance rowing machine of claim 4, wherein the pulling member comprises a first pull rod, a pull wire, a second pull rod and a control handle, wherein the first pull rod is hinged with the second connecting plate, one end of the pull wire is connected with the first pull rod, the other end of the pull wire is connected with the second pull rod, the second pull rod is hinged with the control handle, and the control handle is movably arranged on the frame.
6. The adjustable wind resistance rowing machine of claim 5, wherein the pulling member further comprises a sleeve sleeved with the first pull rod and the pull wire or sleeved with the second pull rod and the pull wire respectively, the sleeve is arranged on a sleeve in a penetrating manner, and the sleeve is arranged on the frame.
7. The adjustable wind-resistant rowing machine according to claim 1, wherein the pull handle mechanism comprises a pull handle, a pull rope, a one-way shaft and a driving wheel, the one-way shaft is connected with the frame, the driving wheel is rotatably sleeved on the one-way shaft and is in driving connection with the connecting piece, the pull rope is configured to pull the driving wheel to rotate, and the handle is connected with the pull rope.
8. The adjustable wind resistance rowing machine of claim 7, wherein the drive wheel is provided with a sprocket and the pull cord is provided with a chain connected to the sprocket and configured to pull the sprocket to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420033060.2U CN222218529U (en) | 2024-01-05 | 2024-01-05 | A rowing machine with adjustable wind resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420033060.2U CN222218529U (en) | 2024-01-05 | 2024-01-05 | A rowing machine with adjustable wind resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222218529U true CN222218529U (en) | 2024-12-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420033060.2U Active CN222218529U (en) | 2024-01-05 | 2024-01-05 | A rowing machine with adjustable wind resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222218529U (en) |
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2024
- 2024-01-05 CN CN202420033060.2U patent/CN222218529U/en active Active
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