CN112827146A

CN112827146A - Rowing machine for physical fitness

Info

Publication number: CN112827146A
Application number: CN201911158392.3A
Authority: CN
Inventors: 信亚君; 李英
Original assignee: Shaanxi Xinnuowei Sporting Goods Co Ltd
Current assignee: Shaanxi Xinnuowei Sporting Goods Co Ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2021-05-25

Abstract

The invention discloses a rowing machine for physical fitness, which comprises a bracket, wherein a water resistance device is arranged below the bracket, the water resistance device comprises a first rotary vane device, a second straight bevel gear, a second rotary vane device, a shell, a third rotary vane device, an outer cylinder, a water inlet and outlet, a fourth rotary vane device, an inner cylinder, a support rod, a first connecting rod, a coil spring box, a first one-way bearing, a cover, a second one-way bearing, a cap, a second connecting rod, a connecting block and a central rotating shaft, the structures and the specifications of all the parts of the first rotary vane device, the second rotary vane device, the third rotary vane device and the fourth rotary vane device are the same, the angle between a paddle and water can be adjusted by matching the parts, the common mode of adjusting the motion resistance of the rowing machine by the water resistance is changed, the stability of the resistance of water to the paddle is realized, and unnecessary motion damage caused by the excessively fast paddle pulling speed when people move is avoided, the operability is strong.

Description

Rowing machine for physical fitness

Technical Field

The invention relates to a rowing machine, in particular to a rowing machine for physical fitness.

Background

Along with the enhancement of health consciousness of people, body-building is popular, people also add various body-building ranks, the body-building apparatus is full of Lin on the world, the rowing machine is an aerobic exercise apparatus for improving comprehensive ability, the movement of the rowing machine is similar to a kayak, and when the rowing machine is used for exercising, 80% of muscles of the body are exercised by using the resistance of water and the change of the rotating speed of a flywheel in a short time, so that the body can be comprehensively exercised.

Most of the water resistance rowing machines on the market control the motion resistance through the speed of the propeller (which can be also understood as 'fixed resistance' or 'resistance non-adjustable'). According to the propaganda of the merchant, the higher the paddle pulling speed is, the higher the resistance is. However, in the actual exercise process, the pulling speed of the robot is often limited by the contraction efficiency of muscles of legs, waist, back and arms, if the pulling speed is too high, the robot may exceed the category of aerobic exercise, even unnecessary exercise injury is caused, and the operability is poor.

Disclosure of Invention

The invention aims to provide a rowing machine for physical fitness, which solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a sports fitness is with machine of rowing boat, includes the support, the support below is provided with the water resistance device, the water resistance device includes first rotary lobe device, second straight-tooth bevel gear, second rotary lobe device, shell, third rotary lobe device, outer barrel, inlet outlet, fourth rotary lobe device, interior barrel, branch, first connecting rod, coil spring box, first one-way bearing, lid, second one-way bearing, cap, second connecting rod, connecting block and central rotating shaft, shell bottom surface fixedly connected with branch, the one end and the bottom plate fixed connection of branch, the inlet outlet has been seted up to the shell, the inlet outlet lid closes there is the lid, be provided with outer barrel in the shell, be provided with second straight-tooth bevel gear, interior barrel, first rotary lobe device, second rotary lobe device, third rotary lobe device and fourth rotary lobe device in the outer barrel, first rotary lobe device includes rotation axis, Paddle and first straight tooth bevel gear, the one end setting of rotation axis is in the recess that the barrel was seted up outside, the rotation axis rotates with outer barrel to be connected, rotation axis fixedly connected with paddle, the other end setting of rotation axis is internal at the inner tube, the rotation axis rotates with interior barrel to be connected, the first straight tooth bevel gear of one end fixedly connected with of rotation axis setting in the inner tube is internal, the structure of first vane device, second vane device, third vane device and fourth vane device and the specification of each part are all the same.

As a further scheme of the invention: the shell top is provided with the cap, the bottom surface fixedly connected with second connecting rod of cap, two connecting rod overcoat are equipped with the one-way bearing of second, the one-way bearing of second and shell fixed connection, the second connecting rod runs through shell, outer barrel and interior barrel, the second connecting rod rotates with shell, outer barrel and interior barrel to be connected, the second connecting rod sets up the one end fixedly connected with second straight-tooth bevel gear in the inner tube is internal, the teeth of a cogwheel of second straight-tooth bevel gear and the teeth of a cogwheel interlock of first straight-tooth bevel gear in the first vane device mutually.

As a still further scheme of the invention: the utility model discloses a wind spring box, including shell, center pivot, first connecting rod overcoat, first one-way bearing, first connecting rod box, wind spring and first connecting rod fixed connection in the wind spring box.

As a still further scheme of the invention: fixedly connected with support on the bottom plate, be provided with first pulley, second pulley and third pulley on the support, first pulley rotates with the support to be connected, the second pulley rotates with the support to be connected, the third pulley rotates with the support to be connected.

As a still further scheme of the invention: the elastic rope is wound outside the first one-way bearing, one end of the elastic rope is fixedly connected with the first one-way bearing, the other end of the elastic rope is provided with a pull rod, the elastic rope is arranged below the stop lever, and the elastic rope is fixedly connected with the pull rod through the first pulley, the second pulley and the third pulley.

Compared with the prior art, the invention has the beneficial effects that:

the angle between the blade and water can be adjusted through the matched use of the first rotary vane device, the second straight bevel gear, the second rotary vane device, the shell, the third rotary vane device, the outer cylinder, the water inlet/outlet, the fourth rotary vane device, the inner cylinder, the support rod, the first connecting rod, the coil spring box, the first one-way bearing, the cover, the second one-way bearing, the cap cover, the second connecting rod, the connecting block and the central rotating shaft, and when the angle of the blade is increased and tends to be vertical, the contact area of the blade and the water is the largest, and the motion resistance is the largest; when the angle of the paddle blade is reduced and tends to be parallel to the water surface, the contact area of the paddle blade and the water is the smallest, the movement resistance is also the smallest, the common mode of adjusting the movement resistance of the water resistance rowing machine is changed, the stability of the resistance of the water to the paddle blade is realized, unnecessary movement damage caused by the fact that the paddle pulling speed is too high when people move is avoided, and the maneuverability is strong.

Drawings

Fig. 1 is a schematic structural view of a rowing machine for physical exercise.

Fig. 2 is a plan view of a rowing machine for physical exercise.

Fig. 3 is an enlarged schematic view of fig. 1A.

Fig. 4 is a partial structural view of a rowing machine for physical exercise.

Fig. 5 is a schematic structural view of the seat cushion.

Shown in the figure: the water-saving type water-saving washing machine comprises a bottom plate 1, a bottom plate support 2, a seat cushion 3, a magic tape 4, a pedal plate 5, a pull rod 6, a stop lever 7, a first pulley 8, an elastic rope 9, a second pulley 10, a support 11, a third pulley 12, a longitudinal rod 13, a first cross rod 14, a rolling wheel 15, a water resistance device 16, a first rotary vane device 17, a rotating shaft 18, a blade 19, a first straight bevel gear 20, a second straight bevel gear 21, a second rotary vane device 22, a shell 23, a third rotary vane device 24, an outer cylinder 25, a water inlet/outlet 26, a fourth rotary vane device 27, an inner cylinder 28, a support rod 29, a first connecting rod 30, a coil spring box 31, a first one-way bearing 32, a cover 33, a second one-way bearing cap 34, a cap 35, a second connecting rod 36, a connecting block 37, a central rotating shaft 38 and a.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, in an embodiment of the present invention, a physical fitness rowing machine includes a base plate 1, a base plate bracket 2, a seat cushion 3, a hook and loop fastener 4, a pedal 5, a pull rod 6, a stop lever 7, a first pulley 8, an elastic cord 9, a second pulley 10, a bracket 11, a third pulley 12, a longitudinal bar 13, a first cross bar 14, a rolling wheel 15, a water blocking device 16, a first vane device 17, a rotating shaft 18, a paddle 19, a first straight bevel gear 20, a second straight bevel gear 21, a second vane device 22, a housing 23, a third vane device 24, an outer cylinder 25, a water inlet/outlet 26, a fourth vane device 27, an inner cylinder 28, a support bar 29, a first link 30, a spring coiling box 31, a first one-way bearing 32, a cover 33, a second one-way bearing 34, a cap 35, a second link 36, a link 37, a central rotating shaft 38, and a second cross bar 39, wherein the base plate 1 is fixedly connected with the bracket 11, the support 11 is provided with a first pulley 8, a second pulley 10 and a third pulley 12, the first pulley 8 is rotatably connected with the support 11, the second pulley 10 is rotatably connected with the support 11, the third pulley 12 is rotatably connected with the support 11, the support 11 is fixedly connected with a stop lever 7, a pedal plate 5 is arranged below the stop lever 7, one side of the pedal plate 5 is fixedly connected with a magic tape 4, one side of the pedal plate 5 is fixedly connected with a second cross rod 39, one end of the second cross rod 39 is fixedly connected with the support 11, one side of the pedal plate 5 is provided with a seat cushion 3, the bottom surface of the seat cushion 3 is fixedly connected with a longitudinal rod 13, one end of the longitudinal rod 13 is fixedly connected with a first cross rod 14, two ends of the first cross rod 14 are provided with rolling wheels 15, the rolling wheels 15 are arranged in a sliding groove formed in the bottom plate 1, and the rolling wheels 15 are rotatably connected with the first cross rod 14, the water resistance device 16 is arranged below the bracket 11, the water resistance device 16 comprises a first rotary vane device 17, a second straight bevel gear 21, a second rotary vane device 22, a shell 23, a third rotary vane device 24, an outer cylinder 25, a water inlet and outlet 26, a fourth rotary vane device 27, an inner cylinder 28, a support rod 29, a first connecting rod 30, a coil spring box 31, a first one-way bearing 32, a cover 33, a second one-way bearing 34, a cap 35, a second connecting rod 36, a connecting block 37 and a central rotating shaft 38, the bottom surface of the shell 23 is fixedly connected with the support rod 29, one end of the support rod 29 is fixedly connected with the bottom plate 1, the shell 23 is provided with the water inlet and outlet 26, the water inlet and outlet 26 is covered with the cover 33, the outer cylinder 25 is arranged in the shell 23, the second straight bevel gear 21, the inner cylinder 28, the first rotary vane device 17, the second rotary vane device 22, the water resistance device 16, The first rotary vane device 17 comprises a rotary shaft 18, a blade 19 and a first straight bevel gear 20, one end of the rotary shaft 18 is arranged in a groove formed in the outer cylinder 25, the rotary shaft 18 is rotatably connected with the outer cylinder 25, the blade 19 is fixedly connected with the rotary shaft 18, the other end of the rotary shaft 18 is arranged in the inner cylinder 28, the rotary shaft 18 is rotatably connected with the inner cylinder 28, the first straight bevel gear 20 is fixedly connected with one end of the rotary shaft 18 arranged in the inner cylinder 28, the structures and specifications of the components of the first rotary vane device 17, the second rotary vane device 22, the third rotary vane device 24 and the fourth rotary vane device 27 are the same, a cap cover 35 is arranged above the shell 23, a second connecting rod 36 is fixedly connected with the bottom surface of the cap 35, and a second one-way bearing 34 is sleeved on the second connecting rod 36, the one-way bearing of second 34 and shell 23 fixed connection, second connecting rod 36 runs through shell 23, outer barrel 25 and interior barrel 28, second connecting rod 36 and shell 23, outer barrel 25 and interior barrel 28 rotate to be connected, one end fixedly connected with second straight-tooth bevel gear 21 in barrel 28 is set up to second connecting rod 36, the teeth of a cogwheel of second straight-tooth bevel gear 21 and the teeth of a cogwheel of first straight-tooth bevel gear 20 in first vane device 17 interlock mutually, shell 23 below is provided with central pivot 38, the center of shell 23 and outer barrel 25 is run through to the one end of central pivot 38, central pivot 38 rotates with shell 23 to be connected, central pivot 38 and outer barrel 25 fixed connection, central pivot 38 and interior barrel 28 fixed connection, the pot head that central pivot 38 set up outside shell 23 is equipped with first one-way bearing 32, the one end fixedly connected with connecting block 37 of first one-way bearing 32, the center fixedly connected with first connecting rod 30 of connecting block 37, first connecting rod 30 overcoat is equipped with spring box 31, spring and first connecting rod 30 fixed connection in the spring box 31, first one-way bearing 32 twines stretch cord 9 outward, the one end and the first one-way bearing 32 fixed connection of stretch cord 9, the other end of stretch cord 9 is provided with pull rod 6, stretch cord 9 sets up the below at pin 7, stretch cord 9 is through first pulley 8, second pulley 10 and third pulley 12 and pull rod 6 fixed connection, the bottom surface fixedly connected with bottom plate support 2 of bottom plate 1.

The working principle of the invention is as follows:

when people need to move by using the rowing machine, firstly, water is filled into the shell 23 through the water inlet and outlet 26, the water inlet and outlet 26 is further covered by the cover 33, the people sit on the cushion 3, the legs are further placed on the pedal 5, the feet are further bound by the magic tapes 4, the feet are further limited, the pull rod 6 is further held, the rowing movement can be further carried out, when the pull rod 6 is forced to pull outwards, the elastic rope 9 is further driven to move outwards, the first one-way bearing 32 is further driven by the first pulley 8, the second pulley 10 and the third pulley 12, the first one-way bearing 32 is rotated, the central rotating shaft 38 and the connecting block 37 are further driven to rotate, the first connecting block 30 is further driven to rotate by the rotation of the connecting block 37, the coil spring in the coil spring box 31 is further driven to roll, the central rotating shaft 38 further drives the inner cylinder 28 and the outer cylinder 25 to rotate, the rotating shaft 18 is further driven, so that the paddle 19 is driven to rotate, when the paddle 19 rotates, the resistance of water is received, the resistance of water further influences people to pull the pull rod 6, so that the exercise on the muscle of people is realized, when the stretching action is finished, the coil spring in the coil spring box 31 starts to reset due to the elastic effect, the connecting block 37 is further driven to rotate back, the first one-way bearing 32 is further driven to rotate back, the rotation of the first one-way bearing 32 cannot drive the central rotating shaft 38 to rotate because the first one-way bearing 32 only can perform the one-way action on the central rotating shaft 38, when the first one-way bearing 32 rotates back, the elastic rope 9 is further driven to wind on the first one-way bearing 32, the pull rod 6 is further pulled back, people follow the pull rod 6 to move back, so that people can simulate the exercise on people when the pull rod 6 is repeatedly pulled, when the water resistance needs to be adjusted, the cap 35 is rotated to further drive the second connecting rod 36 to rotate, the second straight bevel gear 21 is further driven to rotate, the first straight bevel gear 20 is further driven to rotate, the rotating shaft 18 is further driven to rotate, so that the paddle 19 is driven to rotate, the angle between the paddle 19 and water is further increased or reduced, and when the angle of the paddle 19 is increased and tends to be vertical, the contact area between the paddle 19 and water is the largest, and the movement resistance is also the largest; when the angle of the paddle 19 is reduced and tends to be parallel to the water surface, the contact area of the paddle 19 and water is the smallest, the movement resistance is also the smallest, the second connecting rod 36 is sleeved with the second one-way bearing 34, the second one-way bearing 34 is fixedly connected with the outer shell 23, the second straight bevel gear 21 can only rotate in one direction, so that the paddle 19 can only rotate in one direction, the influence on the angle between the paddle 19 and water due to the resistance of the water is further avoided, the stability of the resistance of the paddle 19 by the water is realized, the exercise effect of people is avoided being influenced, and after the movement is finished, the pull rod 6 is placed below the stop lever 7.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a rowing machine for sports fitness, includes bottom plate (1) and support (11), its characterized in that: a water resistance device (16) is arranged below the support (11), the water resistance device (16) comprises a first rotary vane device (17), a second straight bevel gear (21), a second rotary vane device (22), a shell (23), a third rotary vane device (24), an outer cylinder body (25), a water inlet/outlet (26), a fourth rotary vane device (27), an inner cylinder body (28), a support rod (29), a first connecting rod (30), a coil spring box (31), a first one-way bearing (32), a cover (33), a second one-way bearing (34), a cap (35), a second connecting rod (36), a connecting block (37) and a central rotating shaft (38), the support rod (29) is fixedly connected to the bottom surface of the shell (23), one end of the support rod (29) is fixedly connected with the bottom plate (1), the water inlet/outlet (26) is formed in the shell (23), and the cover (33) is covered on the water inlet/outlet (26), be provided with outer barrel (25) in shell (23), be provided with second straight-tooth bevel gear (21), interior barrel (28), first vane device (17), second vane device (22), third vane device (24) and fourth vane device (27) in outer barrel (25), first vane device (17) is including rotation axis (18), paddle (19) and first straight-tooth bevel gear (20), the one end setting of rotation axis (18) is in the recess that outer barrel (25) was seted up, rotation axis (18) rotates with outer barrel (25) to be connected, rotation axis (18) fixedly connected with paddle (19), the other end setting of rotation axis (18) is in barrel (28) including, rotation axis (18) rotates with interior barrel (28) to be connected, the one end fixedly connected with first straight-tooth bevel gear (20) that rotation axis (18) set up in barrel (28) including, the first rotary vane device (17), the second rotary vane device (22), the third rotary vane device (24) and the fourth rotary vane device (27) are identical in structure and specification.

2. A rowing machine for sports fitness according to claim 1, characterized in that: shell (23) top is provided with cap (35), the bottom surface fixedly connected with second connecting rod (36) of cap (35), second connecting rod (36) overcoat is equipped with the one-way bearing of second (34), the one-way bearing of second (34) and shell (23) fixed connection, shell (23), outer barrel (25) and interior barrel (28) are run through in second connecting rod (36), second connecting rod (36) rotate with shell (23), outer barrel (25) and interior barrel (28) and are connected, the one end fixedly connected with second straight-tooth bevel gear (21) in barrel (28) is including second connecting rod (36) sets up, the teeth of a cogwheel of second straight-tooth bevel gear (21) and the teeth of a cogwheel of first straight-tooth bevel gear (20) in first vane device (17) interlock mutually.

3. A rowing machine for sports fitness according to claim 1, characterized in that: shell (23) below is provided with central pivot (38), the center of shell (23) and outer barrel (25) is run through to the one end of central pivot (38), central pivot (38) rotate with shell (23) and are connected, central pivot (38) and outer barrel (25) fixed connection, central pivot (38) and interior barrel (28) fixed connection, a pot head that central pivot (38) set up outside shell (23) is equipped with first one-way bearing (32), the one end fixedly connected with connecting block (37) of first one-way bearing (32), the first connecting rod (30) of the central fixedly connected with of connecting block (37), first connecting rod (30) overcoat is equipped with coil spring box (31), coil spring and first connecting rod (30) fixed connection in coil spring box (31).

4. A rowing machine for sports fitness according to claim 1, characterized in that: fixedly connected with support (11) on bottom plate (1), be provided with first pulley (8), second pulley (10) and third pulley (12) on support (11), first pulley (8) rotate with support (11) and are connected, second pulley (10) rotate with support (11) and are connected, third pulley (12) rotate with support (11) and are connected.

5. A rowing machine for sports fitness according to claim 1 and claim (4), characterized in that: first one-way bearing (32) is outer around to have stretch cord (9), the one end and first one-way bearing (32) fixed connection of stretch cord (9), the other end of stretch cord (9) is provided with pull rod (6), stretch cord (9) set up the below at pin (7), stretch cord (9) are through first pulley (8), second pulley (10) and third pulley (12) and pull rod (6) fixed connection.