WO2021196885A1 - 一种涡卷旋转复位机构及划船器 - Google Patents

一种涡卷旋转复位机构及划船器 Download PDF

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Publication number
WO2021196885A1
WO2021196885A1 PCT/CN2021/075326 CN2021075326W WO2021196885A1 WO 2021196885 A1 WO2021196885 A1 WO 2021196885A1 CN 2021075326 W CN2021075326 W CN 2021075326W WO 2021196885 A1 WO2021196885 A1 WO 2021196885A1
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WIPO (PCT)
Prior art keywords
scroll
runner
main shaft
rotation
fixed
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PCT/CN2021/075326
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English (en)
French (fr)
Inventor
王秋林
Original Assignee
王秋林
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Application filed by 王秋林 filed Critical 王秋林
Priority to DE112021002167.2T priority Critical patent/DE112021002167T5/de
Priority to US17/913,842 priority patent/US11957947B2/en
Publication of WO2021196885A1 publication Critical patent/WO2021196885A1/zh

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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00—Training appliances or apparatus for special sports
    • A63B69/06—Training appliances or apparatus for special sports for rowing or sculling
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/02—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters
    • A63B21/023—Wound springs
    • A63B21/025—Spiral springs with turns lying substantially in plane surfaces
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/00192—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resistance provided by magnetic means
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/008—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using hydraulic or pneumatic force-resisters
    • A63B21/0084—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using hydraulic or pneumatic force-resisters by moving the surrounding water
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/02—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters
    • A63B21/04—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters attached to static foundation, e.g. a user
    • A63B21/0407—Anchored at two end points, e.g. installed within an apparatus
    • A63B21/0435—One or both ends being anchored to a rotating element
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/15—Arrangements for force transmissions
    • A63B21/151—Using flexible elements for reciprocating movements, e.g. ropes or chains
    • A63B21/153—Using flexible elements for reciprocating movements, e.g. ropes or chains wound-up and unwound during exercise, e.g. from a reel
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/22—Resisting devices with rotary bodies
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/0076—Rowing machines for conditioning the cardio-vascular system
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/0076—Rowing machines for conditioning the cardio-vascular system
    • A63B2022/0079—Rowing machines for conditioning the cardio-vascular system with a pulling cable

Definitions

  • the invention relates to the technical field of fitness equipment, in particular to a scroll rotation reset mechanism and a rowing device.
  • a rowing machine is a kind of aerobic exercise equipment that improves comprehensive ability. Its movement is similar to that of a kayak. During exercise, the resistance of the water and the changes in the rotation speed of the runner are used in a short time to make the legs, waist, upper limbs and back Muscles get exercised.
  • the pull-back mechanism of the existing rowing machine mainly uses elastic ropes to generate the rotating reset force.
  • the publication number is CN209828073U
  • the publication date is December 24, 2019, and the name is "A water resistance with adjustable rebound
  • the patent document of "The Rowing Device” discloses a water-resistance rowing device with adjustable resilience, which includes a main shaft, a drawstring for traction on the main shaft for forward rotation, an elastic rope for traction on the main shaft for reverse resetting, and elasticity adjustment of the elastic rope.
  • the adjustment device adjusts the extension length of the elastic rope to adjust the rotation reset force of the elastic rope on the main shaft, thereby adjusting the resistance of the water resistance rowing device.
  • the adjustment device includes a plurality of limit grooves and at least one adjustment Pulley, adjust the pulley to stretch the elastic rope, and clamp the central axis of the adjustment pulley at different limit slots to switch the length of the pull rope of the elastic rope by the adjusting device.
  • the pull-back mechanism of the existing rowing machine mainly uses elastic ropes to generate resilience, which has complex structure, is difficult to install, and is easy to age.
  • the present invention provides a scroll rotation reset mechanism, which includes a runner and a main shaft, and the main shaft passes through the runner;
  • a turntable part and a resilient part are distributed along the axial direction on the runner, and the turntable part is connected with the main shaft through a one-way bearing, so that the runner drives the main shaft to rotate in one direction;
  • the resilient part is provided with a scroll spring, the inner end of the scroll spring is fixed on the resilient part, and the outer end is fixed on the scroll disc, and the runner and the scroll disc can face each other Rotate so that the scroll spring is tightened to generate a resilience force for the rotation and resetting of the runner.
  • the two ends of the scroll spring are respectively buckled with the hanging holes on the scroll disk and the resilient part.
  • the material of the runner is plastic or aluminum alloy.
  • one end of the main shaft is provided with a resistance mechanism for obstructing the rotation of the runner.
  • the resistance mechanism is a water resistor or a magnetoresistor.
  • the water resistor includes a water tank and a paddle provided in the water tank, and the paddle is fixed on the main shaft.
  • a hand-held mechanism for pulling the rotating wheel to rotate is provided on the turntable portion.
  • the hand-held mechanism includes a pull handle and a pull strap, one end of the pull strap is fixed on the pull handle, and the other end is fixed on the turntable part.
  • the drawstring is a nylon woven bag.
  • the present invention also provides a rowing device, which includes a runner and a main shaft, the main shaft passing through the runner;
  • a turntable part and a resilient part are distributed along the axial direction on the runner, and the turntable part is connected with the main shaft through a one-way bearing, so that the runner drives the main shaft to rotate in one direction;
  • the resilient part is provided with a scroll spring, the inner end of the scroll spring is fixed on the resilient part, and the outer end is fixed on the scroll disc, and the runner and the scroll disc can face each other Rotate to tighten the scroll spring to generate a resilient force for the rotation and reset of the runner;
  • One end of the main shaft is provided with a resistance mechanism for hindering the rotation of the runner; the turntable part is provided with a hand-held mechanism for pulling the rotation of the runner.
  • the two ends of the scroll spring are respectively buckled with the hanging holes on the scroll disk and the resilient part.
  • the material of the runner is plastic or aluminum alloy.
  • the resistance mechanism is a water resistor or a magnetoresistor.
  • the water resistor includes a water tank and a paddle provided in the water tank, and the paddle is fixed on the main shaft.
  • the hand-held mechanism includes a pull handle and a pull strap, one end of the pull strap is fixed on the pull handle, and the other end is fixed on the turntable part.
  • the drawstring is a nylon woven bag.
  • the above structure further includes a main frame for installing the scroll rotation reset mechanism, resistance mechanism, and hand-held mechanism.
  • Cross beam the water tank is located between the bottom cross beam and the middle cross beam, the runner is located between the middle cross beam and the top cross beam, and the scroll disc is fixed on the middle cross beam.
  • the main frame is also provided with a guide wheel and a guide wheel for changing the direction of the pulling belt.
  • the scroll rotation reset mechanism provided by the present invention has the following advantages:
  • the two ends of the scroll spring are respectively fixed with the rebound part and the scroll disc, the runner and the scroll disc can rotate relative to each other, so that the scroll spring can be tightened to generate resilience, and the disc part is connected to the main shaft through a one-way bearing Connect, so that the runner will not drive the rotation of the main shaft while rotating and resetting;
  • the main shaft can be provided with a resistance mechanism for obstructing the forward rotation of the runner.
  • the resistance mechanism is only used to increase the resistance when the runner rotates in the forward direction, and will not hinder the rotation of the runner to reset, so the scroll rotates
  • the reset mechanism can be used for some fitness equipment that requires a pull-back function.
  • the scroll rotation reset mechanism has a simple structure, convenient installation and strong compatibility.
  • the rowing device provided by the present invention realizes the function of rotation resetting by adopting the scroll rotation resetting mechanism as described above. Compared with the existing method of using elastic cords to generate resilience, the scroll rotation resetting is adopted
  • the structure of the mechanism on the rowing machine is simpler and easy to install, and the scroll rotation reset mechanism can be modularized and used for a variety of different models, reducing production costs; at the same time, scroll springs are not easy to age compared with elastic ropes. And the advantages of wear.
  • Figure 1 is a schematic diagram of the structure of the scroll rotation reset mechanism provided by the present invention.
  • Figure 2 is a cross-sectional view of Figure 1;
  • Figure 3 is a schematic diagram of the structure of the runner provided by the present invention.
  • Figure 4 is a schematic diagram of the inside of the scroll provided by the present invention.
  • Figure 5 is a schematic diagram of the structure of the rowing device provided by the present invention.
  • Fig. 6 is a partial schematic diagram of Fig. 5.
  • a scroll rotation reset mechanism which includes a runner 100 and a main shaft 200, the main shaft 200 penetrates the shaft hole on the runner 100; A turntable portion 110 and a resilient portion 120 are distributed along the axial direction on the 100.
  • the turntable portion 110 is connected to the main shaft 200 through a one-way bearing 111, so that the rotating wheel 100 drives the main shaft 200 to rotate in one direction, that is, the rotating wheel 100 rotates in the forward direction.
  • the main shaft 200 can be driven to rotate, and when the rotating wheel 100 rotates in the reverse direction, the main shaft 200 cannot be driven to rotate.
  • a scroll spring 121 is provided on the rebound portion 120.
  • the inner end of the scroll spring 121 is fixed to the rebound portion 120, and the outer end is fixed to the scroll 122.
  • an external force is applied to The runner 100 rotates forward relative to the scroll disc 122.
  • the scroll spring 121 is tightened to generate a resilient force.
  • the external force is small or withdrawn, the runner 100 Reverse rotation and reset under the action of resilience.
  • the turntable portion 110 and the resilient portion 120 are distributed along the axial direction on the runner 100, so that the turntable portion 110 and the resilient portion 120 do not interfere with each other, which facilitates the replacement of the scroll spring 121 or the traction component on the turntable portion 110.
  • the method of applying an external force to cause the runner 100 to rotate in a positive direction relative to the scroll 122 can be direct rotation manually, or by pulling the runner 100 to rotate forward with a tool such as a belt 410, or turning the runner 100 into a forward direction. Place it on a flat ground to make it roll, etc.
  • the rotating wheel 100 can drive the main shaft 200 to rotate when the rotating wheel 100 rotates in the forward direction, and cannot drive the main shaft 200 to rotate when the rotating wheel 100 rotates in the reverse direction, the rotating and resetting of the rotating wheel 100 under the action of the resilience force will not drive the main shaft 200 to rotate.
  • the resistance mechanism is only used to increase the resistance when the runner 100 rotates in the forward direction, and does not hinder the rotation of the runner 100 from resetting. Therefore, the vortex
  • the roll rotation reset mechanism can be used in some fitness equipment that requires a pull-back function, such as tensioners, rowing devices, and abdominal wheels.
  • the present invention provides a scroll rotation reset mechanism, which includes a rotating wheel 100 and a main shaft 200, the main shaft 200 passes through the rotating wheel 100; the rotating wheel 100 is axially distributed with a rotating disc portion 110 and The rebound portion 120, the turntable portion 110 is connected to the main shaft 200 through a one-way bearing 111, so that the runner 100 drives the main shaft 200 to rotate in one direction; the rebound portion 120 is provided with a scroll spring 121, The inner end of the scroll spring 121 is fixed on the resilient portion 120, and the outer end is fixed on the scroll disk 122.
  • the runner 100 and the scroll disk 122 can rotate relatively to make the scroll spring
  • the tightening of 121 generates a resilient force for the rotation and resetting of the runner 100.
  • a scroll rotation reset mechanism which includes a runner 100 and a main shaft 200, the main shaft 200 penetrates the shaft hole on the runner 100; A turntable portion 110 and a resilient portion 120 are distributed along the axial direction on the 100.
  • the turntable portion 110 is connected to the main shaft 200 through a one-way bearing 111, so that the rotating wheel 100 drives the main shaft 200 to rotate in one direction, that is, the rotating wheel 100 rotates in the forward direction.
  • the main shaft 200 can be driven to rotate, and when the rotating wheel 100 rotates in the reverse direction, the main shaft 200 cannot be driven to rotate.
  • a scroll spring 121 is provided on the rebound portion 120.
  • the inner end of the scroll spring 121 is fixed on the rebound portion 120, and the outer end is fixed on the scroll 122.
  • an external force is applied to The runner 100 rotates forward relative to the scroll disc 122.
  • the scroll spring 121 is tightened to generate a resilient force.
  • the external force is small or withdrawn, the runner 100 Reverse rotation and reset under the action of resilience.
  • the turntable portion 110 and the resilient portion 120 are distributed along the axial direction on the runner 100, so that the turntable portion 110 and the resilient portion 120 do not interfere with each other, which facilitates the replacement of the scroll spring 121 or the traction component on the turntable portion 110.
  • the method of applying an external force to cause the runner 100 to rotate in a positive direction relative to the scroll 122 can be direct rotation manually, or by pulling the runner 100 to rotate forward with a tool such as a belt 410, or turning the runner 100 into a forward direction. Place it on a flat ground to make it roll, etc.
  • the rotating wheel 100 can drive the main shaft 200 to rotate when the rotating wheel 100 rotates in the forward direction, and cannot drive the main shaft 200 to rotate when the rotating wheel 100 rotates in the reverse direction, the rotating and resetting of the rotating wheel 100 under the action of the resilience force will not drive the main shaft 200 to rotate.
  • the resistance mechanism is only used to increase the resistance when the runner 100 rotates in the forward direction, and does not hinder the rotation of the runner 100 from resetting. Therefore, the vortex
  • the roll rotation reset mechanism can be used in some fitness equipment that requires a pull-back function, such as tensioners, rowing devices, and abdominal wheels.
  • the scroll rotation reset mechanism provided by the present invention is distributed in the axial direction on the runner through the turntable part and the rebound part, which facilitates the replacement of the scroll spring or the traction component on the turntable part; the two ends of the scroll spring are respectively Fixed with the rebound part and the scroll disc, the runner and the scroll disc can rotate relative to each other, so that the scroll spring is tightened to generate resilience, and the turntable part is connected with the main shaft through a one-way bearing, so that the runner can be reset during rotation. At the same time, it will not drive the rotation of the main shaft.
  • a resistance mechanism can be provided on the main shaft to hinder the forward rotation of the runner. The resistance mechanism is only used to increase the resistance when the runner rotates in the forward direction without hindering the rotation of the runner. Therefore, the scroll rotation reset mechanism can be used for some fitness equipment that needs to have a pull-back function.
  • the scroll rotation reset mechanism has a simple structure, convenient installation and strong compatibility.
  • the two ends of the scroll spring 121 are respectively buckled with the hanging holes 123 on the scroll disk 122 and the resilient portion 120.
  • both the scroll 122 and the resilient portion 120 are provided with hanging holes 123, and both ends of the scroll spring 121 are bent to form hooks, which are respectively hung into the scroll 122 and
  • the hanging hole 123 on the rebounding part 120 realizes the buckle connection, which is convenient for disassembly and assembly.
  • the material of the runner 100 is plastic or aluminum alloy.
  • the material of the runner 100 is plastic or aluminum alloy.
  • the advantages of using plastic are low cost and easy processing; the advantages of using aluminum alloy are beautiful appearance, and the aluminum alloy has good thermal conductivity and easy heat dissipation.
  • the present invention also provides a rowing machine using the scroll rotation reset mechanism as described above, wherein one end of the main shaft 200 is provided with a resistance mechanism for hindering the rotation of the runner 100; There is a hand-held mechanism for pulling the rotating wheel 100 to rotate.
  • the resistance mechanism may be a water resistor or a magnetoresistor, which is used to increase the resistance of the runner 100 when the runner 100 rotates in the forward direction; the turntable part 110 is provided for traction of the runner 100 is a hand-held mechanism that rotates in the forward direction.
  • the rowing device provided by the present invention realizes the function of rotation resetting by adopting the scroll rotation resetting mechanism as described above. Compared with the existing method of using elastic cords to generate resilience, the scroll rotation resetting is adopted
  • the structure of the mechanism on the rowing machine is simpler and easy to install, and the scroll rotation reset mechanism can be modularized and used for a variety of different models, reducing production costs; at the same time, scroll springs are not easy to age compared with elastic ropes. And the advantages of wear.
  • the resistance mechanism includes a water tank 310 and a paddle 320 arranged in the water tank 310, and the paddle 320 is fixed on the main shaft 200.
  • the resistance mechanism adopts a water resistance, which specifically includes a water tank 310 and a paddle 320 arranged in the water tank 310.
  • the paddle 320 is fixed on the main shaft 200 to direct the runner 100 forward.
  • the blade 320 can generate resistance when rotating in the water.
  • the user can adjust the amount of water in the water tank 310 according to the intensity of exercise to achieve rapid adjustment of different exercise intensities; at the same time, a water resistance is used.
  • the advantage is that the user can hear the sound of running water during exercise, which simulates the sound of running water in nature, and has the experience of outdoor fitness exercise; in addition, the water in the water tank 310 can be emptied during transportation to reduce weight.
  • the hand-held mechanism includes a pull handle 420 and a pull strap 410, one end of the pull strap 410 is fixed on the pull handle 420, and the other end is fixed on the turntable portion 110.
  • the hand-held mechanism includes a pull handle 420 and a pull strap 410.
  • One end of the pull strap 410 is fixed on the pull handle 420, and the other end is fixed on the turntable portion 110.
  • the user holds the pull handle 420. Pulling the pulling belt 410 pulls the runner 100 to rotate forward.
  • the drawstring 410 is a nylon woven bag.
  • the nylon woven bag used for the drawstring 410 has the advantages of low price, not easy to wear, and long service life.
  • the main frame 500 for installing the scroll rotation reset mechanism, resistance mechanism and hand-held mechanism.
  • the main frame includes a bottom cross beam 510, a middle cross beam 520, and a top cross beam 530 arranged from bottom to top.
  • the water tank 310 is located between the bottom cross beam 510 and the middle cross beam 520, the runner 100 is located between the middle cross beam 520 and the top cross beam 530, and the scroll disk 122 is fixed on the middle cross beam 520.
  • FIG. 5 and 6 it also includes a main frame 500 for installing the scroll rotation reset mechanism, the resistance mechanism and the hand-held mechanism.
  • the main frame includes a bottom beam 510 and a middle beam 520 arranged from bottom to top.
  • the top cross beam 530, the water tank 310 is installed between the bottom cross beam 510 and the middle cross beam 520, the runner 100 is installed between the middle cross beam 520 and the top cross beam 530, and the scroll disk 122 is fixed to the middle cross beam 520 by bolts;
  • the main shaft 200 is arranged vertically, the main shaft 200 passes through the middle cross beam 520, the end of the main shaft 200 located below the middle cross beam 520 is located in the water tank 310, and the end located above the middle cross beam 520 passes through the one-way bearing 111 and the runner 100
  • the turntable part 110 is connected;
  • the left side of the runner 100 is provided with a guide wheel 432, the pull belt 410 is changed from a vertical setting to a horizontal setting through the guide wheel 432, and then a guide wheel 431 is provided at one end of the upper right corner of the main frame to change the direction of the pull belt 410 .
  • One end of the pull strap 410 is connected to the turntable 110, passes through the guide wheel 432 and the guide wheel 431 in turn, and then connects to the pull handle 420. The user pulls the pull handle 420 against resistance to drive the rotation wheel 100 to rotate to achieve the purpose of exercise.
  • the rowing machine of this embodiment also includes components commonly available in this type of products on the market, such as cushions, foot pedals, and display screens. The structure and principles of use are not repeated here.
  • scroll rotation reset mechanism provided by the present invention with the resistance mechanism and hand-held mechanism of other fitness equipment based on the above description, and make a design that can realize the corresponding rotation reset, especially those that require a return.
  • Pull function fitness equipment such as tensioner and abdomen wheel, etc.; by adopting the scroll rotation reset mechanism, it has a simple structure and convenient installation.
  • the advantages of not being easy to age and wear Reduce the maintenance cost of equipment.
  • the scroll rotation reset mechanism includes a rotating wheel and a main shaft, the main shaft passing through the rotating wheel; the rotating wheel is provided with a rotating disk portion and a rebounding portion along the axial direction, and the rotating disk portion is connected to the main shaft through a one-way bearing Connected to enable the runner to drive the main shaft to rotate in one direction; a scroll spring is provided on the rebound part, the inner end of the scroll spring is fixed to the rebound part, and the outer end is fixed to the scroll On the reel, the runner and the scroll can rotate relatively, so that the scroll spring is tightened to generate a resilient force for the rotation and reset of the runner.
  • the mechanism is distributed along the axis on the runner through the turntable part and the rebound part, which facilitates the replacement of the scroll spring or the traction component on the turntable part; it can be applied to some fitness equipment that needs to have a pullback function, and the scroll
  • the rotating reset mechanism has simple structure, convenient installation and strong compatibility.

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  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
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Abstract

一种涡卷旋转复位机构，包括转轮(100)和主轴(200)，主轴(200)穿设于转轮(100)上；转轮(100)上沿轴向分布有转盘部(110)和回弹部(120)，转盘部(110)通过单向轴承(111)与主轴(200)连接，以使转轮(100)带动主轴(200)单向转动；回弹部(120)上设有涡卷弹簧(121)，涡卷弹簧(121)的内端固定于回弹部(120)上，外端固定于涡卷盘(122)上，转轮(100)与涡卷盘(122)可相对转动，以使涡卷弹簧(121)收紧产生用于转轮(100)旋转复位的回弹力。还涉及一种具有该涡卷旋转复位机构的划船器。

Description

一种涡卷旋转复位机构及划船器
交叉引用
本申请引用于2020年04月03日递交的名称为“一种涡卷旋转复位机构及划船器”的第202010260577.1号中国专利申请，其通过引用被全部并入本申请。
技术领域
本发明涉及健身器材技术领域，特别涉及一种涡卷旋转复位机构及划船器。
背景技术
随着人们对自身健康越来越重视，除了合理饮食、睡眠充足之外，适当的运动健身也是必不可少的。为了让运动健身形成长期且有效的日常行为，尽可能避免受天气情况等因素的影响，多数人会利用健身器械来锻炼身体，使得人们足不出户进行身体锻炼。
多数的健身器材主要是通过设置不同阻力来达到力量强化的锻炼效果。例如划船器是一种提高综合能力的有氧运动器械，其运动类似于皮划艇，锻炼时，短时间内利用水的阻力和转轮转速的变化，使得腿部、腰部、上肢和背部的肌肉得到锻炼。
现有的划船器的回拉机构主要是通过采用弹力绳来产生旋转复位力，如公开号为CN209828073U，公开日为2019年12月24日，名称为《一种带回弹力可调的水阻划船器》的专利文件公开了一种带回弹力可调的水阻划船器，包括主转轴、牵引主转轴进行正转的拉带、牵引主转轴进行反转复位的弹力绳和调节弹力绳松紧度的调节装置，调节装置通过调节弹力绳的拉伸长度以调节弹力绳对主转轴的旋转复位力，进而调节水阻划船器的阻力，所述的调节装置包括若干限位槽和至少一个调节滑轮，调节滑轮拉伸弹力绳，将调节滑轮的中心轴卡在不同的限位槽处能切换调节装置对弹力绳的拉绳长度。
该技术方案通过弹力绳来进行回收，但是弹力绳需要在设备上绕行设置，使弹力绳具有较大的长度，减少弹力绳因变形过大而过快老化，因此在结构上较为复杂，不易安装，而且易产生磨损需频繁重新更换。
技术问题
现有的划船器的回拉机构主要是通过弹力绳来产生回弹力存在结构复杂、不易安装和易老化。
技术解决方案
本发明提供一种涡卷旋转复位机构，其中，包括转轮和主轴，所述主轴穿设于所述转轮上；
所述转轮上沿轴向分布有转盘部和回弹部，所述转盘部通过单向轴承与主轴连接，以使所述转轮带动所述主轴单向转动；
所述回弹部上设有涡卷弹簧，所述涡卷弹簧的内端固定于所述回弹部上，外端固定于涡卷盘上，所述转轮与所述涡卷盘可相对转动，以使涡卷弹簧收紧产生用于转轮旋转复位的回弹力。
在上述结构的基础上，进一步地，所述涡卷弹簧的两端分别与所述涡卷盘和所述回弹部上的挂孔扣接。
在上述结构的基础上，进一步地，所述转轮的材质为塑胶或铝合金。
在上述结构的基础上，进一步地，所述主轴的一端设置有用于阻碍所述转轮旋转的阻力机构。
在上述结构的基础上，进一步地，所述阻力机构为水阻器或磁阻器。
在上述结构的基础上，进一步地，所述水阻器包括水箱和设置在所述水箱内的桨叶，所述桨叶固定于主轴上。
在上述结构的基础上，进一步地，所述转盘部上设置有用于牵引所述转轮转动的手持机构。
在上述结构的基础上，进一步地，所述手持机构包括拉把手和拉带，所述拉带一端固定有拉把手上，另一端固定在所述转盘部上。
在上述结构的基础上，进一步地，所述拉带为尼龙编织袋。
本发明还提供一种划船器，其中，包括转轮和主轴，所述主轴穿设于所述转轮上；
所述转轮上沿轴向分布有转盘部和回弹部，所述转盘部通过单向轴承与主轴连接，以使所述转轮带动所述主轴单向转动；
所述回弹部上设有涡卷弹簧，所述涡卷弹簧的内端固定于所述回弹部上，外端固定于涡卷盘上，所述转轮与所述涡卷盘可相对转动，以使涡卷弹簧收紧产生用于转轮旋转复位的回弹力；
所述主轴的一端设置有用于阻碍所述转轮旋转的阻力机构；所述转盘部上设 置有用于牵引所述转轮转动的手持机构。
在上述结构的基础上，进一步地，所述涡卷弹簧的两端分别与所述涡卷盘和所述回弹部上的挂孔扣接。
在上述结构的基础上，进一步地，所述转轮的材质为塑胶或铝合金。
在上述结构的基础上，进一步地，所述阻力机构为水阻器或磁阻器。
在上述结构的基础上，进一步地，所述水阻器包括水箱和设置在所述水箱内的桨叶，所述桨叶固定于主轴上。
在上述结构的基础上，进一步地，所述手持机构包括拉把手和拉带，所述拉带一端固定有拉把手上，另一端固定在所述转盘部上。
在上述结构的基础上，进一步地，所述拉带为尼龙编织袋。
在上述结构的基础上，进一步地，还包括用于安装所述涡卷旋转复位机构、阻力机构和手持机构的主架，所述主架包括自下而上设置的底横梁、中横梁和顶横梁，所述水箱位于底横梁和中横梁之间，所述转轮位于中横梁和顶横梁之间，所述涡卷盘固定于所述中横梁上。
在上述结构的基础上，进一步地，所述主架上还设有用于改变拉带走向的导正轮和导向轮。
有益效果
本发明提供的一种涡卷旋转复位机构，与现有技术相比，具有以下优点：
1、通过转盘部和回弹部在转轮上沿轴向分布，方便涡卷弹簧或者转盘部上的牵引部件的更换；
2、通过涡卷弹簧的两端分别与回弹部和涡卷盘固定，转轮与涡卷盘可相对转动，以使涡卷弹簧收紧产生回弹力，以及转盘部通过单向轴承与主轴连接，以使转轮在旋转复位的同时又不会带动主轴的转动；
3、在主轴上可设置用于阻碍转轮正向转动的阻力机构，该阻力机构仅用于增加转轮正向转动时的阻力，而不会阻碍转轮的旋转复位，因此该涡卷旋转复位机构可用于一些需具备回拉功能的健身器材等，同时该涡卷旋转复位机构结构简单，安装方便，兼容性强。
本发明提供的一种划船器，通过采用如上任意所述的涡卷旋转复位机构来实现旋转复位的功能，相较于现有的用弹力绳来产生回弹力的方式，采用该涡卷旋 转复位机构在划船器上的结构更加简单，便于安装，而且该涡卷旋转复位机构可模组化加工，用于多种不同机型，减少制作成本；同时涡卷弹簧与弹力绳相比具有不易老化和磨损的优点。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明提供的涡卷旋转复位机构的结构示意图；
图2为图1的剖视图；
图3为本发明提供的转轮结构示意图；
图4为本发明提供的涡卷盘内部示意图；
图5为本发明提供的划船器的结构示意图；
图6为图5的局部示意图。
附图标记：
100转轮                   110转盘部                 111单向轴承
120回弹部                 121涡卷弹簧               122涡卷盘
123挂孔                   200主轴                   310水箱
320桨叶                   410拉带                   420拉把手
431导向轮                 432导正轮                 510底横梁
520中横梁                 530顶横梁
本发明的最佳实施方式
具体实施时，如图1、图2和图3所示，一种涡卷旋转复位机构，其中，包括转轮100和主轴200，主轴200穿设于转轮100上的轴孔内；转轮100上沿轴向分布有转盘部110和回弹部120，转盘部110通过单向轴承111与主轴200连接，以使转轮100带动所述主轴200单向转动，即转轮100正向转动时，可带动主轴200转动，转轮100反向转动时，不能带动主轴200转动。
回弹部120上设有涡卷弹簧121，涡卷弹簧121的内端固定于回弹部120 上，外端固定于涡卷盘122上，通过将涡卷盘122固定不动，施加外力以使转轮100相对涡卷盘122发生正向转动，当转轮100相对涡卷盘122正向转动时，涡卷弹簧121进行收紧产生回弹力，当外力较小或撤去时，转轮100在回弹力的作用下反向旋转复位。
转盘部110和回弹部120在转轮100上沿轴向分布，可以使转盘部110上和回弹部120互不干涉，方便涡卷弹簧121或者转盘部110上的牵引部件的更换。
需要说明的是，施加外力使转轮100相对涡卷盘122发生正向转动的方式可为手动直接旋转、或者借助拉带410的等工具牵引转轮100正向转动、又或者将转轮100置于平地上使其滚动等。
由于，转轮100正向转动时，可带动主轴200转动，转轮100反向转动时，不能带动主轴200转动，因此转轮100在回弹力的作用下旋转复位并不会带动主轴200转动。
在主轴200上设置用于阻碍转轮100正向转动的阻力机构时，该阻力机构仅用于增加转轮100正向转动时的阻力，而不会阻碍转轮100的旋转复位，因此该涡卷旋转复位机构可用于一些需具备回拉功能的健身器材中，如拉力器、划船器、健腹轮等。
本发明的实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
在本发明的描述中，需要说明的是，术语“中心”、“纵向”、“横向”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性。
本发明提供一种涡卷旋转复位机构，其中，包括转轮100和主轴200，所述主轴200穿设于所述转轮100上；所述转轮100上沿轴向分布有转盘部110和回弹部120，所述转盘部110通过单向轴承111与主轴200连接，以使所述转轮100带动所述主轴200单向转动；所述回弹部120上设有涡卷弹簧121，所述涡卷弹簧121的内端固定于所述回弹部120上，外端固定于涡卷盘122上，所述转轮100与所述涡卷盘122可相对转动，以使涡卷弹簧121收紧产生用于转轮100旋转复位的回弹力。
具体实施时，如图1、图2和图3所示，一种涡卷旋转复位机构，其中，包括转轮100和主轴200，主轴200穿设于转轮100上的轴孔内；转轮100上沿轴向分布有转盘部110和回弹部120，转盘部110通过单向轴承111与主轴200连接，以使转轮100带动所述主轴200单向转动，即转轮100正向转动时，可带动主轴200转动，转轮100反向转动时，不能带动主轴200转动。
回弹部120上设有涡卷弹簧121，涡卷弹簧121的内端固定于回弹部120上，外端固定于涡卷盘122上，通过将涡卷盘122固定不动，施加外力以使转轮100相对涡卷盘122发生正向转动，当转轮100相对涡卷盘122正向转动时，涡卷弹簧121进行收紧产生回弹力，当外力较小或撤去时，转轮100在回弹力的作用下反向旋转复位。
转盘部110和回弹部120在转轮100上沿轴向分布，可以使转盘部110上和回弹部120互不干涉，方便涡卷弹簧121或者转盘部110上的牵引部件的更换。
需要说明的是，施加外力使转轮100相对涡卷盘122发生正向转动的方式可为手动直接旋转、或者借助拉带410的等工具牵引转轮100正向转动、又或者将转轮100置于平地上使其滚动等。
由于，转轮100正向转动时，可带动主轴200转动，转轮100反向转动时，不能带动主轴200转动，因此转轮100在回弹力的作用下旋转复位并不会带动主轴200转动。
在主轴200上设置用于阻碍转轮100正向转动的阻力机构时，该阻力机构仅用于增加转轮100正向转动时的阻力，而不会阻碍转轮100的旋转复位，因此该涡卷旋转复位机构可用于一些需具备回拉功能的健身器材中，如拉力器、划船器、健腹轮等。
本发明提供的一种涡卷旋转复位机构，通过转盘部和回弹部在转轮上沿轴向分布，方便涡卷弹簧或者转盘部上的牵引部件的更换；通过涡卷弹簧的两端分别与回弹部和涡卷盘固定，转轮与涡卷盘可相对转动，以使涡卷弹簧收紧产生回弹力，以及转盘部通过单向轴承与主轴连接，以使转轮在旋转复位的同时又不会带动主轴的转动，在主轴上可设置用于阻碍转轮正向转动的阻力机构，该阻力机构仅用于增加转轮正向转动时的阻力，而不会阻碍转轮的旋转复位，因此该涡卷旋转复位机构可用于一些需具备回拉功能的健身器材等，同时该涡卷旋转复位机构结构简单，安装方便，兼容性强。
优选地，所述涡卷弹簧121的两端分别与所述涡卷盘122和所述回弹部120上的挂孔123扣接。
具体实施时，如图3和图4所示，涡卷盘122和回弹部120上均设有挂孔123，涡卷弹簧121的两端均弯曲形成挂钩，分别挂入涡卷盘122和回弹部120上的挂孔123中实现扣接，便于拆装。
优选地，所述转轮100的材质为塑胶或铝合金。
具体实施时，转轮100的材质为塑胶或铝合金，采用塑胶的优点是成本低，易于加工；采用铝合金的优点是外形美观，而且铝合金的导热性能好，易于散热。
本发明还提供一种采用如上任意所述的涡卷旋转复位机构的划船器，其中，所述主轴200的一端设置有用于阻碍所述转轮100旋转的阻力机构；所述转盘部110上设置有用于牵引所述转轮100转动的手持机构。
具体实施时，如图5和图6所示，一种采用如上任意所述的涡卷旋转复位机构的划船器，其中，涡卷盘122固定在划船器的本体上，主轴200的一端设置有用于阻碍转轮100正向旋转的阻力机构，该阻力机构可为水阻器或磁阻器，用于增加转轮100正向旋转时的阻力；转盘部110上设置有用于牵引所述转轮100正向转动的手持机构，用户通过拉动该手持机构驱使转轮100正向转动，同时涡卷弹簧121收紧；由于转轮100反向转动时不会带动主轴200及主轴200上的阻力机构转动；因此，当用户撤去拉力时，在涡卷弹簧121的回弹力作用下转轮100可轻易旋转复位，同时带动手持机构复位，用户可以循环往复地运动。
本发明提供的一种划船器，通过采用如上任意所述的涡卷旋转复位机构来实现旋转复位的功能，相较于现有的用弹力绳来产生回弹力的方式，采用该涡卷旋 转复位机构在划船器上的结构更加简单，便于安装，而且该涡卷旋转复位机构可模组化加工，用于多种不同机型，减少制作成本；同时涡卷弹簧与弹力绳相比具有不易老化和磨损的优点。
优选地，所述阻力机构包括水箱310和设置在所述水箱310内的桨叶320，所述桨叶320固定于主轴200上。
具体实施时，如图5和图6所示，阻力机构采用水阻器，具体包括水箱310和设置在水箱310内的桨叶320，桨叶320固定于主轴200上，将转轮100正向转动时，带动主轴200和桨叶320转动，桨叶320在水中转动时可产生阻力，用户可以根据锻炼强度需要来调节水箱310内的水量，实现不同运动强度的快速调节；同时采用水阻器的优点是，用户在锻炼时可以听到流水声，模拟大自然的流水声，具有室外健身运动的体验；此外，搬运时可将水箱310内的水放空，减轻重量。
优选地，所述手持机构包括拉把手420和拉带410，所述拉带410一端固定有拉把手420上，另一端固定在所述转盘部110上。
具体实施时，如图5和图6所示，手持机构包括拉把手420和拉带410，拉带410一端固定有拉把手420上，另一端固定在转盘部110上，用户收握拉把手420拉动拉带410牵引转轮100正向转动。
较佳地，拉带410为尼龙编织袋。
具体实施时，拉带410采用尼龙编织袋具有价格低廉，不易磨损，使用寿命长的优点。
优选地，还包括用于安装所述涡卷旋转复位机构、阻力机构和手持机构的主架500，所述主架包括自下而上设置的底横梁510、中横梁520和顶横梁530，所述水箱310位于底横梁510和中横梁520之间，所述转轮100位于中横梁520和顶横梁530之间，所述涡卷盘122固定于所述中横梁520上。
具体实施时，如图5和图6所示，还包括用于安装涡卷旋转复位机构、阻力机构和手持机构的主架500，主架包括自下而上设置的底横梁510、中横梁520和顶横梁530，水箱310安装于底横梁510和中横梁520之间，转轮100安装于中横梁520和顶横梁530之间，涡卷盘122通过螺栓固定于中横梁520上；
如图6所示，主轴200竖向设置，主轴200穿过中横梁520，主轴200位于 中横梁520下方的一端位于水箱310内，位于中横梁520上方的一端通过单向轴承111与转轮100的转盘部110连接；
转轮100的左侧设有导正轮432，拉带410经导正轮432由竖向设置变为水平设置，再经由主架右上角的一端设置的导向轮431，改变拉带410的走向。拉带410的一端连接转盘部110并依次经过导正轮432和导向轮431后与拉把手420连接，用户通过克服阻力拉动拉把手420带动转轮100转动，达到锻炼的目的。
需要说明的是，本实施例的划船器还包括坐垫、脚踏板和显示屏等市场上的本类型产品普遍所具备的元件，其结构和使用原理在此不再赘述。
此外，本领域技术人员可根据上述描述，将本发明提供的涡卷旋转复位机构与其他健身器材的阻力机构和手持机构进行结合，做出能够实现相应旋转复位的设计，特别是一些需具备回拉功能健身器材，如拉力器和健腹轮等；通过采用该涡卷旋转复位机构，具有结构简单，安装方便，同时相较于用弹力绳来产生回弹力的方式，具有不易老化和磨损的优点，降低器材的维护成本。
尽管本文中较多的使用了诸如转轮、主轴、水箱、转盘部、单向轴承、桨叶、回弹部、涡卷弹簧、拉带、涡卷盘、拉把手、挂孔、导向轮、导正轮、底横梁、中横梁、顶横梁等术语，但并不排除使用其它术语的可能性。使用这些术语仅仅是为了更方便地描述和解释本发明的本质；把它们解释成任何一种附加的限制都是与本发明精神相违背的。
最后应说明的是：以上各实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述各实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的范围。
工业实用性
涡卷旋转复位机构包括转轮和主轴，所述主轴穿设于所述转轮上；所述转轮上沿轴向分布有转盘部和回弹部，所述转盘部通过单向轴承与主轴连接，以使所述转轮带动所述主轴单向转动；所述回弹部上设有涡卷弹簧，所述涡卷弹簧的内端固定于所述回弹部上，外端固定于涡卷盘上，所述转轮与所述涡卷盘可相对转 动，以使涡卷弹簧收紧产生用于转轮旋转复位的回弹力。该机构通过转盘部和回弹部在转轮上沿轴向分布，方便涡卷弹簧或者转盘部上的牵引部件的更换；可应用于一些需具备回拉功能的健身器材等，同时该涡卷旋转复位机构结构简单，安装方便，兼容性强。

Claims (18)

  1. 一种涡卷旋转复位机构，其特征在于，包括转轮(100)和主轴(200)，所述主轴(200)穿设于所述转轮(100)上；
    所述转轮(100)上沿轴向分布有转盘部(110)和回弹部(120)，所述转盘部(110)通过单向轴承(111)与主轴(200)连接，以使所述转轮(100)带动所述主轴(200)单向转动；
    所述回弹部(120)上设有涡卷弹簧(121)，所述涡卷弹簧(121)的内端固定于所述回弹部(120)上，外端固定于涡卷盘(122)上，所述转轮(100)与所述涡卷盘(122)可相对转动，以使涡卷弹簧(121)收紧产生用于转轮(100)旋转复位的回弹力。
  2. 根据权利要求1所述的涡卷旋转复位机构，其特征在于：所述涡卷弹簧(121)的两端分别与所述涡卷盘(122)和所述回弹部(120)上的挂孔(123)扣接。
  3. 根据权利要求1所述的涡卷旋转复位机构，其特征在于：所述转轮(100)的材质为塑胶或铝合金。
  4. 根据权利要求1所述的涡卷旋转复位机构，其特征在于：所述主轴(200)的一端设置有用于阻碍所述转轮(100)旋转的阻力机构。
  5. 根据权利要求4所述的涡卷旋转复位机构，其特征在于：所述阻力机构为水阻器或磁阻器。
  6. 根据权利要求5所述的涡卷旋转复位机构，其特征在于：所述水阻器包括水箱(310)和设置在所述水箱(310)内的桨叶(320)，所述桨叶(320)固定于主轴(200)上。
  7. 根据权利要求1所述的涡卷旋转复位机构，其特征在于：所述转盘部(110)上设置有用于牵引所述转轮(100)转动的手持机构。
  8. 根据权利要求7所述的涡卷旋转复位机构，其特征在于：所述手持机 构包括拉把手(420)和拉带(410)，所述拉带(410)一端固定有拉把手(420)上，另一端固定在所述转盘部(110)上。
  9. 根据权利要求8所述的涡卷旋转复位机构，其特征在于：所述拉带(410)为尼龙编织袋。
  10. 一种划船器，其特征在于：包括转轮(100)和主轴(200)，所述主轴(200)穿设于所述转轮(100)上；
    所述转轮(100)上沿轴向分布有转盘部(110)和回弹部(120)，所述转盘部(110)通过单向轴承(111)与主轴(200)连接，以使所述转轮(100)带动所述主轴(200)单向转动；
    所述回弹部(120)上设有涡卷弹簧(121)，所述涡卷弹簧(121)的内端固定于所述回弹部(120)上，外端固定于涡卷盘(122)上，所述转轮(100)与所述涡卷盘(122)可相对转动，以使涡卷弹簧(121)收紧产生用于转轮(100)旋转复位的回弹力；
    所述主轴(200)的一端设置有用于阻碍所述转轮(100)旋转的阻力机构；所述转盘部(110)上设置有用于牵引所述转轮(100)转动的手持机构。
  11. 根据权利要求10所述的划船器，其特征在于：所述涡卷弹簧(121)的两端分别与所述涡卷盘(122)和所述回弹部(120)上的挂孔(123)扣接。
  12. 根据权利要求10所述的划船器，其特征在于：所述转轮(100)的材质为塑胶或铝合金。
  13. 根据权利要求10所述的划船器，其特征在于：所述阻力机构为水阻器或磁阻器。
  14. 根据权利要求13所述的划船器，其特征在于：所述水阻器包括水箱(310)和设置在所述水箱(310)内的桨叶(320)，所述桨叶(320)固定于主轴(200)上。
  15. 根据权利要求10所述的划船器，其特征在于：所述手持机构包括拉把手(420)和拉带(410)，所述拉带(410)一端固定有拉把手(420)上，另一端固定在所述转盘部(110)上。
  16. 根据权利要求15所述的划船器，其特征在于：所述拉带(410)为尼龙编织袋。
  17. 根据权利要求10所述的划船器，其特征在于：还包括用于安装所述涡卷旋转复位机构、阻力机构和手持机构的主架(500)，所述主架包括自下而上设置的底横梁(510)、中横梁(520)和顶横梁(530)，所述水箱(310)位于底横梁(510)和中横梁(520)之间，所述转轮(100)位于中横梁(520)和顶横梁(530)之间，所述涡卷盘(122)固定于所述中横梁(520)上。
  18. 根据权利要求17所述的划船器，其特征在于：所述主架上还设有用于改变拉带(432)走向的导正轮(432)和导向轮(431)。
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