CN112516557A

CN112516557A - Multifunctional fitness rowing machine

Info

Publication number: CN112516557A
Application number: CN202011483139.8A
Authority: CN
Inventors: 冷云祥
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-03-19

Abstract

The invention discloses a multifunctional fitness rowing machine, which comprises a frame body, a water tank and a sliding seat, wherein the frame body is provided with a frame body; a rotary drum is rotationally connected in the water tank; a plurality of blade assemblies are arranged outside the rotary drum; the blade assembly comprises a main blade, an auxiliary blade and a synchronizing shaft; the synchronous shaft is respectively in transmission connection with the rotary drum and the auxiliary blade; the bottom in the revolving drum is rotationally connected with a driving gear; an upper inserting pipe is fixedly connected in the rotary drum; the upper inserting pipe is connected with a lower inserting pipe in a sliding way; a transmission sliding shaft is connected in the rotary drum in a sliding way; the transmission sliding shaft can drive the driving gear to rotate; a dragging belt is arranged in the frame body; when the transmission sliding shaft is located at the first position, the transmission sliding shaft rotates to enable the blade assembly to rotate around the circumferential direction of the rotary drum; when the transmission sliding shaft is located at the second position, the transmission sliding shaft rotates to enable the main blade and the rotary drum to rotate relatively, and the main blade and the auxiliary blade rotate relatively. The invention can carry out physical exercise; the exercise intensity is adjustable; the exercise intensity is convenient to adjust, and the user can adjust the exercise intensity without leaving the sliding seat.

Description

Multifunctional fitness rowing machine

Technical Field

The invention belongs to the technical field of sports equipment, and particularly relates to a multifunctional fitness rowing machine.

Background

Chinese patent document No. CN208694209U discloses that the present invention provides a rowing machine, which includes a resistance adjusting mechanism; the resistance adjusting mechanism comprises a rotating shaft, a connecting rod and an adjusting assembly, and an external spline is arranged on the outer ring of the rotating shaft; the first end of the connecting rod is sleeved on the rotating shaft and is connected with the rotating shaft in a sliding manner; the inner ring of the first end is provided with an internal spline, and the internal spline is meshed with the external spline; the second end of the connecting rod is provided with a blade group which is arranged in the water tank so as to apply resistance to the rotating shaft in the rotating process of the rotating shaft; the adjusting component is connected with the first end and drives the connecting rod to slide relative to the rotating shaft. The utility model discloses a rowing machine through the altitude variation of blading in the water tank, can adjust the size of the resistance that the pivot received to can make the regulation more stable through splined connection, thereby, can satisfy user's different motion demands.

When the invention is used, the resistance of the blades is adjusted according to the height change of the blade group in the water tank, the water in the water tank cannot be filled, in the actual use process, the blades rotate to drive the water in the water tank to generate vortex, the water level around the water tank can rise, the rotating speeds of the blades are different, the water level heights near the blades in the water tank are also different, the resistance of the water borne by the blades is directly changed in real time, and the user can exercise without uniform force consumption in each pulling process, so that the body joints are easily damaged, and the body exercise is not facilitated.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: aiming at the defects existing in the prior art, the multifunctional rowing machine with the constant resistance of the blades and the convenient and adjustable blade resistance is provided.

In order to realize the purpose of the invention, the following technical scheme is adopted for realizing the purpose: a multifunctional fitness rowing machine comprises a frame body, a water tank fixedly connected in the frame body and used for containing water, and a sliding seat connected to the frame body in a sliding manner along the front-back direction and used for a user to sit; the middle part in the water tank is rotationally connected with a rotating drum with a rotating shaft longitudinally arranged; the rotary drum periphery is located evenly be provided with a plurality of blade subassemblies in the water tank.

The blade assembly comprises a main blade, an auxiliary blade and a synchronous shaft, wherein the main blade is longitudinally arranged on a rotating shaft which is rotatably connected to the periphery of the rotating drum, the auxiliary blade is longitudinally arranged on the rotating shaft which is rotatably connected to one end, far away from the rotating drum, of the main blade, and the synchronous shaft is horizontally arranged on the rotating shaft which is rotatably connected to the inside of the main blade; the synchronous shaft is respectively in transmission connection with the rotary drum and the corresponding auxiliary blade; the bottom in the rotary drum is rotatably connected with a driving gear which has a rotating shaft coaxial with the rotary drum and is in transmission connection with the main blade.

The lower part of the inner wall of the rotary drum is fixedly connected with an upper inserting pipe which can drive the driving gear to rotate; a lower inserting pipe capable of being inserted into the driving gear is longitudinally and slidably connected in the upper inserting pipe; when the lower insertion pipe is inserted into the driving gear, the rotary drum rotates to drive the driving gear to synchronously rotate; a transmission sliding shaft capable of being in one-way transmission connection with the circumferential direction of the rotary drum is longitudinally and slidably connected in the rotary drum; the transmission sliding shaft can be also spliced with the driving gear and drives the driving gear to rotate; and a dragging belt for driving the transmission sliding shaft to rotate is arranged in the frame body.

When the transmission sliding shaft is located at the first position, the transmission sliding shaft is only in one-way transmission connection with the rotary drum, the lower insertion pipe is inserted into the driving gear, the rotary drum is relatively fixed with the driving gear, the blade assembly is relatively fixed with the rotary drum, and the transmission sliding shaft rotates to enable the blade assembly to rotate circumferentially around the rotary drum.

When the transmission sliding shaft is located at the second position, the transmission sliding shaft is connected with the driving gear in an inserting mode, the lower inserting pipe is separated from the driving gear, the transmission sliding shaft rotates to drive the driving gear to rotate only, the transmission sliding shaft rotates to enable the main blade and the rotary drum to rotate relatively, and the main blade and the auxiliary blade rotate relatively.

As a preferable scheme: the frame body is internally and longitudinally connected with an adjusting rod in a sliding manner, and the adjusting rod is used for driving the transmission sliding shaft to longitudinally slide; a pedal capable of driving the adjusting rod to slide downwards is rotatably connected in the frame body along the left and right directions; when the adjusting rod slides downwards, the transmission sliding shaft slides downwards; when the adjusting rod slides upwards, the transmission sliding shaft slides upwards.

As a preferable scheme: a driving shaft for driving the transmission sliding shaft to rotate is rotatably connected in the frame body; and a winding belt wheel for winding the dragging belt is formed on the outer wall of the driving shaft close to the upper end.

As a preferable scheme: the lower end of the outer wall of the lower inserting pipe is formed with a plurality of uniformly arranged toothed plates capable of being inserted into the driving gear.

As a preferable scheme: one end of the dragging belt, which is far away from the transmission sliding shaft, is fixedly connected with a pull rod; handles convenient for pulling the pull rod are respectively arranged at the two ends of the pull rod.

As a preferable scheme: two limiting columns which are symmetrically arranged are formed at the front end of the frame body; and the lower end of the limiting column is provided with an anti-falling groove for limiting the movement of the pull rod.

As a preferable scheme: a plurality of pawls are uniformly formed on the upper part of the outer wall of the transmission sliding shaft along the circumferential direction; and a ratchet wheel which can be in one-way transmission connection with the pawl is formed on the upper part of the inner wall of the rotary drum.

Compared with the prior art, the invention has the beneficial effects that: under initial condition, the water tank is full of water, and the pull rod is located the anticreep inslot, and the transmission slide-axle is located the below extreme position, and joint post and the fixed joint in first joint hole.

When the product is used for exercise, the frame body is placed on the horizontal plane, a user sits on the sliding seat, the legs bend knees, feet step on the pedals respectively, and the hands hold the handles respectively. The pedals are pedaled by feet with strength to enable the legs to be straightened, and meanwhile, the handles are pulled backwards by the hands, so that the sliding seat slides backwards to the body of a user along the sliding rail. The handle moves to drive the pull rod to move, so that the pull rod drives the dragging belt to move, the dragging belt drives the belt wheel to rotate, so that the driving shaft rotates in the positive direction, and meanwhile, the spring twists to store force. The driving shaft rotates in the positive direction, so that the transmission slide hole drives the transmission slide shaft to rotate in the positive direction, the transmission slide shaft rotates in the positive direction, the pawl drives the ratchet wheel to rotate, and the ratchet wheel rotates to enable the rotary drum to rotate. The rotary drum rotates and drives the upper plug pipe and rotates, the upper plug pipe rotates and drives the lower plug pipe to rotate, the drive gear is meshed with the drive gear, the lower plug pipe rotates and drives the drive gear to rotate, and the drive gear is the same as the rotary drum rotation angular speed. The rotary drum rotates and drives main blade and follows rotary drum circumferential direction, and main blade rotates and drives vice blade synchronous rotation, and the rotary drum rotates and drives the movable vane subassembly promptly and revolutes a rotary drum circumferential direction.

The pedal is stopped to be pedaled with force, the handle is not pulled backwards any more, the driving shaft reversely rotates under the elastic force of the clockwork spring, the dragging belt is wound on the belt winding wheel again, the dragging belt synchronously drives the user to move forwards, the sliding seat is driven to slide forwards, and the user bends knees with both legs. Meanwhile, the pawl and the ratchet form a ratchet-pawl mechanism with one-way transmission, the driving shaft rotates reversely to drive the transmission sliding shaft to rotate reversely, the pawl cannot drive the ratchet to rotate due to the reverse rotation of the transmission sliding shaft, and the rotary drum cannot rotate reversely when the driving shaft rotates reversely. So reciprocating, the health intermittent type is exerted oneself and is made the sliding seat slide along the slide rail is reciprocal, and the blade subassembly rotates towards same direction around the rotary drum. The blade subassembly rotates and stirs the water that is located the water tank, and the resistance of water has hindered the motion of blade subassembly to make the user have obvious resistance at the gliding in-process backward, make the whole body joint of user obtain the motion.

The required motion intensity of different users is different, when adjusting the motion intensity of this product, at first to pulling handle after one's body for drag the area outwards stretch out half, user's tiptoe step on the footboard lower part after that, make the footboard rotate and then upwards offset and drive the depression bar and upwards slide, and the extension spring is tensile. The pressure bar moves upwards to enable the adjusting rod to move upwards, so that the sliding clamping groove drives the sliding clamping head to move upwards, the transmission sliding shaft slides upwards to the upper limit position, the pawl is separated from the ratchet wheel, and the inserting column is fixedly inserted into the inserting hole. The transmission sliding shaft moves upwards to enable the connecting ring to drive the connecting head to move upwards, the driving gear is separated from the driving toothed plate, and meanwhile the spring is compressed.

Then, the handle is pulled backwards, so that the driving shaft rotates forwards, the spring stores force, the driving shaft rotates forwards to drive the transmission sliding shaft to rotate forwards, and the transmission sliding shaft rotates forwards to enable the plug hole to drive the plug column to further drive the driving gear to rotate forwards. At the moment, the rotary drum does not rotate, the driving gear rotates in the forward direction to drive the main rotating gear to rotate, and then the main blade rotates relative to the rotary drum. The synchronizing gear is meshed with the fixed gear, and the main blade rotates to drive the synchronizing shaft to move relative to the fixed gear, so that the synchronizing shaft rotates along the axis of the synchronizing shaft. The synchronizing shaft rotates to enable the synchronizing gear far away from one end of the rotary drum to drive the auxiliary rotating gear to rotate, so that the included angle between the auxiliary blade and the main blade is reduced, and the area of the blade assembly opposite to water in the circumferential rotation direction of the rotary drum is reduced. The handle is loosened, the driving shaft reversely rotates under the elastic action of the clockwork spring, the transmission sliding shaft is further enabled to reversely rotate in sequence, the driving gear reversely rotates, the included angle between the main blade and the auxiliary blade is increased, and the area, opposite to water, of the blade assembly in the circumferential rotation direction of the rotating cylinder is increased. Through the removal of control handle, and then the size of the resistance of adjustment blade subassembly received water, and then reach the purpose of adjustment motion intensity.

After the adjustment is completed, the tiptoe of the user steps on the upper end of the pedal, so that the pedal rotates to the original position, and the pressure rod moves downwards to the original position under the action of the elastic force of the tension spring. The adjusting rod moves downwards to drive the transmission sliding shaft to move downwards to an initial position, the pawl is meshed with the ratchet wheel, the inserting column is separated from the inserting hole, meanwhile, the lower inserting pipe moves downwards to the initial position under the action of the elastic force of the spring, and the driving gear is meshed with the driving toothed plate. And (4) continuing to exercise according to the steps, and after the exercise is finished, placing the pull rod into the anti-falling groove.

According to the invention, the pedal is arranged and is rotatably connected in the frame body, when physical exercise is carried out, feet step on the pedal, and along with the reciprocating motion of the legs, the pedal rotates at a small angle according to the motion of the legs and is attached to the sole plate of a user, so that the motion pressure of the ankles of the user is reduced, and the ankle injury is prevented in the use process; simultaneously the footboard wide-angle rotates, can offset and make depression bar upward movement with the depression bar, and then make transmission slide shaft upward movement, and then make transmission slide shaft no longer be connected with the rotary drum transmission, the pulling drags the area and makes transmission slide shaft rotate, and then makes the contained angle between main blade and the vice blade change to adjusted water to the resistance size of blade subassembly, adjusted promptly and tempered intensity, the user need not to leave the completion adjustment that the sliding seat both can be simple and convenient.

According to the invention, by arranging the handle, when the clamping column is clamped with the first clamping hole, the blade assembly moves along the circumferential direction of the rotary drum by pulling the handle in a reciprocating manner, so that the joints of the whole body of a user can be moved, and further the whole body can be exercised; when joint post and second joint hole joint, through reciprocal promotion handle for the reciprocating sliding of sliding seat, and then can make user's waist abdomen muscle obtain taking exercise.

According to the invention, the transmission sliding shaft is arranged, when the transmission sliding shaft is positioned at the lower limit position, the pawl is meshed with the ratchet wheel, the driving toothed plate is meshed with the driving gear, the transmission sliding shaft rotates to drive the rotary drum and the driving gear to synchronously rotate, so that the blade assembly moves around the circumference of the rotary drum, and physical exercise can be performed; when the transmission slide shaft is located the top extreme position, the spliced eye is pegged graft with the grafting post is fixed, and the transmission slide shaft rotates and only can drive gear to rotate, and drive gear rotates and makes the contained angle between main blade and the vice blade reduce, then can adjust the intensity of motion.

The body exercise can be carried out, the blade assembly stirs water by pulling the first handle in a reciprocating manner, the movement strength is increased, and the exercise effect is improved; the water-saving device has adjustable exercise intensity, and changes the area of the blade component opposite to water in the moving direction, so that the resistance of the water to the blade is changed, and the exercise intensity is adjusted; the exercise intensity of the invention is convenient to adjust, the user can adjust the exercise intensity without leaving the sliding seat, and the operation is simple and convenient.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic cross-sectional structure of the present invention.

Fig. 3 is a schematic exploded view of the present invention.

Fig. 4 is a schematic sectional view of the frame body of the present invention.

Fig. 5 is a schematic structural view of the sliding seat of the present invention.

Fig. 6 is an exploded view of the blade assembly of the present invention.

FIG. 7 is a schematic cross-sectional view of the drum of the present invention.

Fig. 8 is an exploded view of the portion a of fig. 3 according to the present invention.

Fig. 9 is a schematic view of the construction of the drive shaft of the present invention.

Fig. 10 is a schematic structural view of the tie rod of the present invention.

Fig. 11 is a schematic view of the structure of the adjusting lever of the present invention.

Fig. 12 is a schematic view of the structure of the present invention when performing physical exercise.

Fig. 13 is a schematic view of the structure of the present invention when adjusting the exercise intensity.

Fig. 14 is a schematic structural view of the waist and abdomen exercise apparatus according to embodiment 2 of the present invention.

11. A frame body; 111. a slide rail; 112. a guide wheel through groove; 113. a limiting column; 1131. a drop-proof groove; 114. a pedal through groove; 12. a pedal; 13. a water tank; 131. a positioning column; 14. a guide wheel; 15. a turnover wheel; 16. a moving wheel; 2. a blade assembly; 21. a main blade; 211. a main rotating gear; 212. rotating the tube; 22. a secondary blade; 221. a secondary rotating gear; 23. a synchronizing shaft; 231. a synchronizing gear; 31. a sliding seat; 311. a second clamping hole; 3111. a second limiting plate; 32. a sliding wheel; 33. a tape collecting box; 34. an extension band; 341. a plugboard; 4. a rotating drum; 41. a ratchet wheel; 42. fixing a gear; 43. a gear through groove; 44. an outer positioning hole; 51. a drive gear; 511. a support pillar; 512. inserting the column; 52. a transmission slide shaft; 521. a pawl; 522. inserting holes; 523. a connecting ring; 524. a sliding chuck; 53. an upper plug pipe; 531. inner positioning holes; 54. a lower plug pipe; 541. a connector; 542. a driving toothed plate; 55. a spring; 61. a drive shaft; 611. a transmission slide hole; 612. a belt winding wheel; 62. a clockwork spring; 63. a tow band; 71. a pull rod; 711. inserting grooves; 712. a first clamping hole; 7121. a first limit plate; 72. a handle; 721. a clamping column; 7211. a clamping and connecting plate; 81. adjusting a rod; 811. a sliding clamping groove; 812. a pressure lever; 82. a tension spring.

Detailed Description

Example 1

Referring to fig. 1 to 13, the multifunctional fitness rowing machine of the present embodiment includes a frame 11, a water tank 13 fixedly connected to the frame 11 for containing water, and a sliding seat 31 slidably connected to the frame 11 in a front-back direction for a user to sit on; the middle part in the water tank 13 is rotationally connected with a rotary drum 4 with a rotating shaft longitudinally arranged; a positioning column 131 which is rotatably connected with the rotary drum 4 is formed in the center of the bottom end of the water tank 13; the periphery of the rotating drum 4 is positioned in the water tank 13 and is uniformly provided with a plurality of blade assemblies 2.

Two symmetrically arranged slide rails 111 which are slidably connected with the slide seat 31 are formed at the front end of the frame body 11; sliding wheel sets are symmetrically arranged at the left end and the right end of the sliding seat 31 at the upper ends of the corresponding sliding rails 111 respectively; the sliding wheel set comprises two sliding wheels 32 which are symmetrically arranged and are abutted against the corresponding sliding rails 111; the support body 11 is kept away from the one end of slide rail 111 is located the support body 11 left and right sides swivelling joint has the symmetry to set up be convenient for the removal wheel 16 that support body 11 removed.

The blade assembly 2 comprises a main blade 21 which is rotatably connected to the periphery of the rotating shaft of the rotating drum 4 and is longitudinally arranged, an auxiliary blade 22 which is rotatably connected to one end of the main blade 21 far away from the rotating drum 4 and is longitudinally arranged, and a synchronous shaft 23 which is rotatably connected to the rotating shaft in the main blade 21 and is horizontally arranged; the synchronous shaft 23 is respectively in transmission connection with the rotary drum 4 and the corresponding auxiliary blade 22; the bottom of the rotating drum 4 is positioned at the upper end of the positioning column 131, and a driving gear 51 with a rotating shaft coaxial with the rotating drum 4 and in transmission connection with the main blade 21 is rotatably connected with the rotating drum 4.

The main blade 21 and the rotating drum 4, and the main blade 21 and the auxiliary blade 22 are respectively connected in a rotating manner by pin shafts; a rotating pipe 212 which is rotatably connected with the synchronizing shaft 23 and is used for accommodating the synchronizing shaft 23 is formed in the middle of the main blade 21; two ends of the synchronizing shaft 23 are fixedly connected with synchronizing gears 231 on the outer side of the rotating pipe 212; a plurality of fixed gears 42 in transmission connection with the corresponding synchronous gears 231 are formed on the outer wall of the rotary drum 4; one end of the auxiliary blade 22 close to the corresponding main blade 21 is formed with an auxiliary rotating gear 221 in transmission connection with the corresponding synchronous gear 231; a main rotating gear 211 in transmission connection with the driving gear 51 is formed at the lower end of the main blade 21; a gear through groove 43 penetrating the inner wall of the drum 4 for the main rotating gear 211 to penetrate inwards is formed at the lower part of the outer wall of the drum 4.

The lower part of the inner wall of the rotary drum 4 is fixedly connected with an upper inserting pipe 53 which can drive the driving gear 51 to rotate; a lower insertion pipe 54 capable of being inserted into the driving gear 51 is longitudinally connected in the upper insertion pipe 53 in a sliding manner; when the lower insertion pipe 54 is inserted into the driving gear 51, the rotary drum 4 rotates to drive the driving gear 51 to rotate synchronously; a transmission sliding shaft 52 capable of being in one-way transmission connection with the circumferential direction of the rotary drum 4 is longitudinally connected in a sliding manner in the rotary drum 4; the transmission sliding shaft 52 can also be inserted into the driving gear 51 and drive the driving gear 51 to rotate; a dragging belt 63 for driving the transmission slide shaft 52 to rotate is arranged in the frame body 11.

A plug-in hole 522 is formed in the center of the lower end of the transmission slide shaft 52; a support column 511 is formed in the center of the upper end of the driving gear 51; an inserting column 512 which has a diameter larger than that of the supporting column 511 and can be inserted into the inserting hole 522 is formed in the center of the upper end of the supporting column 511; the cross sections of the plug column 512 and the plug hole 522 are of non-circular structures with the same shape; the outer edge of the upper end of the plug column 512 is formed with an arc-shaped edge for facilitating the plug column 512 to be inserted into the plug hole 522.

Two inner positioning holes 531 are symmetrically formed in the outer wall of the upper insertion pipe 53; two outer positioning holes 44 which are communicated with the inner wall of the rotary drum 4 and are coaxially arranged with the inner positioning holes 531 are formed in the outer wall of the rotary drum 4; the inner positioning hole 531 and the outer positioning hole 44 are fixed by screws; the inner wall of the upper insertion pipe 53 and the outer wall of the lower insertion pipe 54 are of non-circular structures with the same shape; a horizontally arranged connecting ring 523 is formed at the lower end of the outer wall of the transmission slide shaft 52; a plurality of connectors 541 which are uniformly arranged and are in sliding connection with the connecting ring 523 are formed on the inner wall of the lower inserting pipe 54 close to the upper end; a spring 55 for moving the lower insertion pipe 54 downwards is arranged between the upper insertion pipe 53 and the lower insertion pipe 54 and on the outer wall of the lower insertion pipe 54.

When the transmission slide shaft 52 is located at the first position, the transmission slide shaft 52 is located at the lower limit position, the transmission slide shaft 52 is only in one-way transmission connection with the rotary drum 4, the lower insertion tube 54 is inserted into the driving gear 51, the rotary drum 4 is fixed relative to the driving gear 51, the blade assembly 2 is fixed relative to the rotary drum 4, and the transmission slide shaft 52 rotates to enable the blade assembly 2 to rotate circumferentially around the rotary drum 4; blade subassembly 2 rotates to stir and is located the water in the water tank 13, the resistance of water has hindered blade subassembly 2's motion for the user has increased the intensity of motion when taking exercise, is of value to body joint motion, makes the health obtain taking exercise.

When the transmission slide shaft 52 is located at the second position, the transmission slide shaft 52 is located at the upper limit position, the transmission slide shaft 52 is inserted into the driving gear 51, the lower insertion tube 54 is separated from the driving gear 51, the transmission slide shaft 52 rotates to drive only the driving gear 51 to rotate, the transmission slide shaft 52 rotates to drive the driving gear 51 to rotate, the driving gear 51 rotates to drive the main blade 21 to rotate, the main blade 21 rotates to enable the synchronizing shaft 23 to rotate, the main blade 21 and the rotating drum 4 further rotate relatively, and the main blade 21 and the auxiliary blade 22 rotate relatively. The area of the blade assembly 2 opposite to the water in the circumferential rotation direction of the rotary drum 4 is changed, namely the resistance of the water to the blade assembly 2 is changed, and the purpose of adjusting the exercise intensity is achieved.

An adjusting rod 81 for driving the transmission sliding shaft 52 to longitudinally slide is longitudinally and slidably connected in the frame body 11; two pedals 12 which are symmetrically arranged and can drive the adjusting rod 81 to slide downwards are rotatably connected in the frame body 11 along the left-right direction; when the adjusting rod 81 slides downwards, the transmission sliding shaft 52 slides downwards; when the adjusting lever 81 slides upward, the driving slide shaft 52 slides upward.

The adjusting rod 81 comprises a horizontally arranged cross rod and an inclined rod which is formed at the lower end of the cross rod and is connected with the frame body 11 in a sliding manner; a sliding clamping groove 811 arranged along the front-back direction is formed at the lower end of the cross rod; a sliding chuck 524 connected with the sliding clamping groove 811 in a sliding manner is formed at the upper end of the transmission sliding shaft 52; the transmission slide shaft 52 and the adjusting rod 81 are longitudinally fixed relative to each other and can horizontally slide in the transverse direction.

Two symmetrically arranged pedal through grooves 114 are formed at one end of the frame body 11 facing the slide rail 111; the pedals 12 are rotatably connected in the corresponding pedal through grooves 114, and the rotating shafts of the pedals 12 are positioned in the middle of the pedals 12; a pressure lever 812 which can be abutted against the corresponding pedal 12 is formed at the left side and the right side of the inclined lever below the rotating shaft of the pedal 12; a tension spring 82 for enabling the adjusting rod 81 to slide downwards is arranged between the lower end of the adjusting rod 81 and the frame body 11; in a natural state, the adjustment lever 81 is located at a lower limit position.

When the body is exercised, the feet step on the pedal 12, and along with the reciprocating motion of the legs, the pedal 12 rotates at a small angle according to the motion of the legs and is attached to the sole plate of the user, so that the motion pressure of the ankles of the user is reduced, and the injury in the use process is prevented; meanwhile, the pedal 12 rotates by a large angle, and can abut against the pressure lever 812 and make the pressure lever 812 move upwards, so that the transmission sliding shaft 52 moves downwards, the resistance of water to the blade assembly 2 can be adjusted, the exercise intensity is adjusted, and a user does not need to leave the sliding seat 31, so that the adjustment can be simply and conveniently completed.

A driving shaft 61 for driving the transmission slide shaft 52 to rotate is rotatably connected to the frame body 11; a winding pulley 612 for winding the tow band 63 is formed on the outer wall of the drive shaft 61 near the upper end.

A transmission slide hole 611 penetrating through the drive shaft 61 and connected with the transmission slide shaft 52 only in a longitudinal sliding manner is formed in the center of the upper end of the drive shaft 61; the transmission slide shaft 52 comprises an upper shaft body longitudinally connected with the transmission slide hole 611 in a sliding manner and a lower shaft body which is formed in the center of the lower end of the upper shaft body and has a diameter smaller than that of the upper shaft body; the cross sections of the upper shaft body and the transmission slide hole 611 are of non-circular structures with the same shape; the transmission slide shaft 52 can only slide longitudinally in the transmission slide hole 611, and the driving shaft 61 rotates to drive the transmission slide shaft 52 to rotate synchronously.

A guide wheel through groove 112 communicated with the inside of the frame body 11 is formed at the upper end of the frame body 11; the guide wheel through groove 112 is rotatably connected with a guide wheel 14 with a rotating shaft arranged along the left-right direction; the frame body 11 is connected with a turnover wheel 15 with a rotating shaft longitudinally arranged in a rotating way near the belt winding wheel 612; the dragging belt 63 sequentially passes through the turnover wheels 15 and the guide wheels 14 and penetrates out of the frame body 11.

A spring 62 is arranged between the driving shaft 61 and the frame body 11; in the initial state, the traction belt 63 is wound around the outer periphery of the take-up pulley 612, and when the traction belt 63 is pulled out, the drive shaft 61 rotates while the power spring 62 is torsionally charged.

A plurality of uniformly arranged driving toothed plates 542 which can be inserted into the driving gear 51 are formed at the periphery of the driving gear 51 at the lower end of the outer wall of the lower insertion pipe 54; a plurality of teeth which are continuously arranged and can be in transmission connection with the driving gear 51 are respectively formed on one side of the driving toothed plate 542 facing the driving gear 51; a guide inclined plane for facilitating the downward insertion of the driving gear 542 into the engagement with the driving gear 51 is formed at the lower end of the driving toothed plate 542; the driving toothed plates 542 are arranged at intervals, so that the driving toothed plates 542 can be more conveniently inserted into the outer side of the driving gear 51 and then are spliced with the driving gear 51.

A pull rod 71 is fixedly connected to one end, far away from the transmission slide shaft 52, of the dragging belt 63; handles 72 convenient for pulling the pull rod 71 are respectively arranged at two ends of the pull rod 71.

The towing belt 63 is fixedly connected to the middle position of the pull rod 71, the user pulls the handle 72 through two arms respectively to pull out the towing belt 63, the resistance force on the two arms is equal, and the two arms obtain the same exercise intensity, which is beneficial to the user to do physical exercise.

Two limiting columns 113 which are symmetrically arranged are formed at the front end of the frame body 11; an anti-falling groove 1131 for limiting the movement of the pull rod 71 is formed at the lower end of the limiting column 113; in an initial state, the pull rod 71 is tightly abutted to the anti-drop groove 1131 under the elastic force of the spring 62, and the positions of the pull rod 71 and the handle 72 are relatively fixed for convenient storage and arrangement.

A plurality of pawls 521 are uniformly formed on the upper part of the outer wall of the transmission slide shaft 52 along the circumferential direction; a ratchet wheel 41 which can be connected with the pawl 521 in a one-way transmission way is formed on the upper part of the inner wall of the rotary drum 4. The pawl 521 and the ratchet wheel 41 form a ratchet wheel and pawl mechanism; when the pawl 521 is engaged with the ratchet wheel 41, the transmission sliding shaft 52 rotates forward to enable the rotating drum 4 to rotate forward, the transmission sliding shaft 52 rotates backward and cannot drive the rotating drum 4 to rotate, and a user only needs to pull the handle 72 back and forth, so that the blade assembly 2 can rotate continuously in the same direction to perform physical exercise, and the operation is simple and convenient.

In the initial state, the water tank 13 is filled with water, the pull rod 71 is located in the anti-drop groove 1131, the transmission slide shaft 52 is located at the lower limit position, and the clamping column 721 is fixedly clamped with the first clamping hole 712.

When the product is used for exercise, the frame body 11 is placed on a horizontal plane, a user sits on the sliding seat 31, the legs bend knees, the feet step on the pedals 12 respectively, and the hands hold the handles 72 respectively. The two feet pedal the pedals 12 with force to straighten the two legs, and simultaneously the two hands pull the handles 72 backwards, so that the sliding seat 31 slides backwards along the sliding rail 111 towards the user. The handle 72 moves to drive the pull rod 71 to move, so that the pull rod 71 drives the dragging belt 63 to move, the dragging belt 63 moves to drive the winding wheel 612 to rotate, so that the driving shaft 61 rotates in the positive direction, and the winding spring 62 stores the torsional force. The forward rotation of the driving shaft 61 causes the transmission slide hole 611 to drive the transmission slide shaft 52 to rotate in the forward direction, the forward rotation of the transmission slide shaft 52 causes the pawl 521 to drive the ratchet wheel 41 to rotate, and the rotation of the ratchet wheel 41 causes the drum 4 to rotate. The rotary drum 4 rotates and drives the upper insertion pipe 53 to rotate, the upper insertion pipe 53 rotates and drives the lower insertion pipe 54 to rotate, the driving gear 542 is meshed with the driving gear 51, the lower insertion pipe 54 rotates and drives the driving gear 51 to rotate, and the rotating angular speed of the driving gear 51 is the same as that of the rotary drum 4. The rotary drum 4 rotates and drives main blade 21 along 4 circumferential direction of rotary drum, and main blade 21 rotates and drives vice blade 22 synchronous rotation, and rotary drum 4 rotates and drives blade subassembly 2 and revolute 4 circumferential direction of rotary drum promptly.

The pedal 12 is stopped to be pedaled with force, the handle 72 is not pulled backwards any more, the driving shaft 61 rotates reversely under the elastic force of the spring 62, so that the dragging belt 63 is wound on the winding pulley 612 again, the movement of the dragging belt 63 synchronously drives the user to move forwards, and further drives the sliding seat 31 to slide forwards, and the user bends the knees with both legs. Meanwhile, the pawl 521 and the ratchet wheel 41 form a unidirectional transmission ratchet and pawl mechanism, the driving shaft 61 rotates in the reverse direction to drive the transmission sliding shaft 52 to rotate in the reverse direction, and the reverse rotation of the transmission sliding shaft 52 cannot enable the pawl 521 to drive the ratchet wheel 41 to rotate, namely, the rotary drum 4 cannot rotate in the reverse direction when the driving shaft 61 rotates in the reverse direction. By doing so, the body intermittently applies force to make the sliding seat 31 slide along the sliding rail 111 in a reciprocating manner, and the blade assembly 2 rotates around the rotating cylinder 4 in the same direction. The blade assembly 2 rotates to stir the water in the water tank 13, and the resistance of the water hinders the movement of the blade assembly 2, so that the user has obvious resistance in the backward sliding process, and the joints of the whole body of the user are moved.

The required intensity of motion of different users is different, when adjusting the intensity of motion of this product, at first pulls handle 72 behind one's body for drag area 63 outwards stretches out half, and user's tiptoe step on footboard 12 lower part afterwards, makes footboard 12 rotate and then upwards offsets with depression bar 812 and drives depression bar 812 upwards to slide, and extension spring 82 is tensile. The pressing rod 812 moves upwards to enable the adjusting rod 81 to move upwards, so that the sliding clamping groove 811 drives the sliding clamping head 524 to move upwards, the transmission sliding shaft 52 slides upwards to the upper limit position, the pawl 521 is separated from the ratchet wheel 41, and the plug column 512 is fixedly plugged with the plug hole 522. The transmission slide shaft 52 moves upward so that the connection ring 523 moves the connection head 541 upward, the driving gear 51 is separated from the driving toothed plate 542, and the spring 55 is compressed.

Then, the handle 72 is pulled backwards, so that the driving shaft 61 rotates forwards, the spring 62 stores the force, the driving shaft 61 rotates forwards to drive the transmission slide shaft 52 to rotate forwards, and the transmission slide shaft 52 rotates forwards to enable the plug hole 522 to drive the plug column 512 and further the driving gear 51 to rotate forwards. At this time, the drum 2 is not rotated, and the driving gear 51 is rotated in the forward direction to rotate the main rotating gear 211, so that the main blade 21 is rotated relative to the drum 2. The synchronizing gear 231 is engaged with the fixed gear 42, and the main blade 21 rotates to move the synchronizing shaft 23 relative to the fixed gear 42, thereby rotating the synchronizing shaft 23 along its own axis. The synchronizing shaft 23 rotates to enable the synchronizing gear 231 far away from one end of the rotating drum 4 to drive the auxiliary rotating gear 221 to rotate, so that the included angle between the auxiliary blade 22 and the main blade 21 is reduced, and the area of the blade assembly 2 facing water in the circumferential rotating direction of the rotating drum 4 is reduced. When the handle 72 is loosened, the driving shaft 61 rotates reversely under the action of the elastic force of the spring 62, so that the transmission sliding shaft 52 rotates reversely in sequence, the driving gear 51 rotates reversely, the included angle between the main blade 21 and the auxiliary blade 22 is increased, and the area of the blade assembly 2 opposite to water in the circumferential rotation direction of the rotating cylinder 4 is increased. By controlling the movement of the handle 72, the resistance of the blade assembly 2 to water is adjusted, and the purpose of adjusting the exercise intensity is achieved.

After the adjustment is completed, the user's toes step on the upper end of the pedal 12, so that the pedal 12 rotates to the original position, and the pressing rod 812 moves downward to the original position under the elastic force of the tension spring 82. The adjusting rod 81 moves downwards to drive the transmission sliding shaft 52 to move downwards to the initial position, the pawl 521 is meshed with the ratchet wheel 41, the plug column 512 is separated from the plug hole 522, meanwhile, the lower plug pipe 54 moves downwards to the initial position under the action of the elastic force of the spring 55, and the driving gear 51 is meshed with the driving gear plate 542. The exercise is continued as described above, and after the exercise is completed, the pull rod 71 is placed in the anti-drop groove 1131.

According to the invention, the pedal 12 is arranged, the pedal 12 is rotatably connected in the frame body 11, when physical exercise is carried out, feet step on the pedal 12, along with the reciprocating motion of legs, the pedal 12 rotates at a small angle according to the motion of the legs and is attached to the sole plate of a user, the motion pressure of ankles of the user is reduced, and the injury in the use process is prevented; meanwhile, the pedal 12 rotates at a large angle, and can abut against the pressure lever 812 and move the pressure lever 812 upwards, so that the transmission sliding shaft 52 moves downwards, the transmission sliding shaft 52 is not in transmission connection with the rotary drum 4 any more, the transmission sliding shaft 52 rotates by pulling the dragging belt 63, and an included angle between the main blade 21 and the auxiliary blade 22 is changed, so that the resistance of water to the blade assembly 2 is adjusted, the exercise intensity is adjusted, and a user does not need to leave the sliding seat 31, so that the adjustment can be simply and conveniently completed.

According to the invention, by arranging the handle 72, when the clamping column 721 is clamped with the first clamping hole 712, the blade assembly 2 moves along the circumferential direction of the rotary drum 4 by pulling the handle 72 in a reciprocating manner, so that the joints of the whole body of a user can be moved, and further the whole body can be exercised; when the clamping column 721 is clamped with the second clamping hole 311, the handle 72 is pushed to reciprocate, so that the sliding seat 31 slides to reciprocate, and the waist and abdomen muscles of the user can be exercised.

According to the invention, by arranging the transmission sliding shaft 52, when the transmission sliding shaft 52 is positioned at the lower limit position, the pawl 521 is meshed with the ratchet wheel 41, the driving toothed plate 542 is meshed with the driving gear 51, and the transmission sliding shaft 52 rotates to drive the rotary drum 4 and the driving gear 51 to synchronously rotate, so that the blade assembly 2 circularly moves around the rotary drum 4, and physical exercise can be carried out; when the transmission sliding shaft 52 is located at the upper limit position, the insertion hole 522 is fixedly inserted into the insertion column 512, the transmission sliding shaft 52 rotates to only drive the driving gear 51 to rotate, and the driving gear 51 rotates to reduce the included angle between the main blade 21 and the auxiliary blade 22, so that the movement strength can be adjusted.

Example 2

As shown in fig. 14, the present embodiment is modified from embodiment 1 in the following manner: first clamping holes 712 which can be clamped with the handle 72 are respectively formed at two ends of the pull rod 71 facing the handle 72; a first limiting plate 7121 is formed on one side of the inner wall of the first clamping hole 712, close to the corresponding handle 72; a clamping column 721 capable of being inserted into the corresponding first clamping hole 712 is formed at one end of the handle 72 facing the pull rod 71; a clamping plate 7211 is formed on one side of the outer wall of the clamping column 721 close to the pull rod 71; the clamping plate 7211 can be abutted against the inner bottom end of the first clamping hole 712 and the inner side of the first limiting plate 7121 at the same time; when the click plate 7211 is not aligned with the corresponding first stopper plate 7121, the handle 72 can be inserted into the first click hole 712; when the snap plate 7211 is aligned with the corresponding first stopper plate 7121, the handle 72 and the lever 71 are fixed relative to each other.

Second clamping holes 311 capable of being clamped with the handle 72 are formed in the left end and the right end of the sliding seat 31 respectively; a second limiting plate 3111 is formed on one side of the inner wall of the second clamping hole 311 away from the sliding seat 31; the clamping plate 7211 can be abutted against the inner bottom end of the second clamping hole 311 and the inner side of the second limiting plate 3111 at the same time; when the click plate 7211 is not aligned with the corresponding second stopper plate 3111, the handle 72 can be inserted into the second click hole 311; when the click plate 7211 is aligned with the corresponding second stopper plate 3111, the handle 72 is fixed relative to the slide holder 31.

A ribbon collecting box 33 is arranged at the center of one end of the sliding seat 31 facing the water tank 13; an extension belt 34 is arranged in the tape collecting box 33; an inserting plate 341 is fixedly connected to one end of the extension belt 34 far away from the tape-collecting box 33; a torsion spring for winding the extension belt 34 into the tape-receiving box 33 is arranged between one end of the extension belt 34 away from the plug plate 341 and the tape-receiving box 33; an insertion groove 711 capable of being inserted into the insertion plate 341 is formed at one end of the pull rod 71 away from the towing belt 63.

In the initial state, the click plate 7211 faces the first stopper plate 7121. This product can also carry out the waist abdomen and take exercise, places the horizontal plane with support body 11 on, rotates handle 72 along handle 72 axial and makes joint plate 7211 no longer just right with first limiting plate 7121, takes off two handles 72 respectively in proper order. Then, the handle 72 is held, so that the clamping posts 721 are opposite to the second clamping holes 311, the clamping plate 7211 is staggered with the second limiting plate 3111, the clamping posts 721 are inserted into the second clamping holes 311, the handle 72 is rotated by ninety degrees, so that the clamping plate 7211 is opposite to the second limiting plate 3111, and the other handle 72 is installed in the other second clamping hole 311 in the same step. The hand-held socket plate 341 is pulled out to store the torsion spring, and at the same time, the other hand holds the pull rod 71, and the socket plate 341 is inserted into the socket groove 711, so that the socket plate 341 and the pull rod 71 are fixed relative to each other, that is, the towing belt 63 and the extension belt 34 are fixed relative to each other. The user faces down, straightens the two legs, steps on the frame body 11 with the two feet, holds the handle 72 with the two hands, pushes the handle 72 forward, and slides the sliding seat 31 forward along the sliding rail 111. The sliding seat 31 slides forward to move the extension belt 34 and further the dragging belt 63, so that the driving shaft 61 rotates forward and the spring 62 stores torsional force. Subsequently, the handle 72 is pulled backward, so that the shoe 31 is slid backward, and the driving shaft 61 is rotated reversely by the elastic force of the clockwork spring 62 while the drag belt 63 is wound around the winding pulley 612. So reciprocate, through pushing away pulling handle 72 for sliding seat 31 slides reciprocally, and then makes blade subassembly 2 stir the water motion, makes the waist abdomen obtain taking exercise.

The exercise intensity can be adjusted according to the similar steps, half of the dragging belt 63 is pulled out, the toe pedal 12 enables the adjusting rod 81 to move upwards, the tension spring 82 is stretched, the transmission sliding shaft 52 moves upwards to the upper limit position, the pawl 521 is separated from the ratchet wheel 41, the plug column 512 is fixedly plugged with the plug hole 522, the driving gear 51 is separated from the driving toothed plate 542, and the spring 55 is compressed. The sliding seat 31 is pushed to make the dragging belt 63 drive the transmission sliding shaft 52 to rotate, so that the included angle between the main blade 21 and the auxiliary blade 22 is changed, that is, the resistance of water to the blade assembly 2 is changed, and the purpose of adjusting the exercise intensity is achieved. After the adjustment is completed, the user's toes step on the upper end of the pedal 12, so that the pedal 12 rotates to the original position, the pressing rod 812 moves downward to the original position under the elastic force of the tension spring 82, so that the transmission sliding shaft 52 moves downward to the original position, the pawl 521 is engaged with the ratchet wheel 41, the plug column 512 is separated from the plug hole 522, the driving gear 51 is engaged with the driving toothed plate 542, and the exercise is continued according to the above-mentioned waist exercise step.

After the exercise is completed, the handle back 72 is held and rotated ninety degrees, so that the snap plate 7211 is no longer in contact with the second stopper plate 3111, and the two handles 72 are removed. The clamping column 721 is aligned to the first clamping hole 712, the clamping plate 7211 is staggered with the first limiting plate 7121, the clamping column 721 is inserted into the first clamping hole 712, the handle 72 is rotated by ninety degrees, the clamping plate 7211 is aligned to the first limiting plate 7121, and the other handle 72 is mounted in the other first clamping hole 712 according to the same steps. The inserting plate 341 is pulled out from the inserting groove 711, the pull rod 71 is placed in the anti-drop groove 1131, the inserting plate 341 is loosened, and the extension belt 34 is wound into the take-up belt box 34 under the elastic force of the torsion spring.

This product both can take exercise as rowing machine and use, and reciprocal pulling handle 72 drives shank joint and both arms joint reciprocating motion, and then makes the health obtain taking exercise, and this product can also regard as the exercise wheel to use simultaneously, reciprocal promotion handle 72 for waist abdomen reciprocating motion, and then makes waist abdomen muscle obtain taking exercise.

Claims

1. A multifunctional fitness rowing machine comprises a frame body, a water tank fixedly connected in the frame body and used for containing water, and a sliding seat connected to the frame body in a sliding manner along the front-back direction and used for a user to sit; the method is characterized in that: the middle part in the water tank is rotationally connected with a rotating drum with a rotating shaft longitudinally arranged; a plurality of blade assemblies are uniformly arranged on the periphery of the rotary drum in the water tank; the blade assembly comprises a main blade, an auxiliary blade and a synchronous shaft, wherein the main blade is longitudinally arranged on a rotating shaft which is rotatably connected to the periphery of the rotating drum, the auxiliary blade is longitudinally arranged on the rotating shaft which is rotatably connected to one end, far away from the rotating drum, of the main blade, and the synchronous shaft is horizontally arranged on the rotating shaft which is rotatably connected to the inside of the main blade; the synchronous shaft is respectively in transmission connection with the rotary drum and the corresponding auxiliary blade; the bottom in the rotary drum is rotatably connected with a driving gear which has a rotating shaft coaxial with the rotary drum and is in transmission connection with the main blade; the lower part of the inner wall of the rotary drum is fixedly connected with an upper inserting pipe which can drive the driving gear to rotate; a lower inserting pipe capable of being inserted into the driving gear is longitudinally and slidably connected in the upper inserting pipe; when the lower insertion pipe is inserted into the driving gear, the rotary drum rotates to drive the driving gear to synchronously rotate; a transmission sliding shaft capable of being in one-way transmission connection with the circumferential direction of the rotary drum is longitudinally and slidably connected in the rotary drum; the transmission sliding shaft can be also spliced with the driving gear and drives the driving gear to rotate; a dragging belt for driving the transmission sliding shaft to rotate is arranged in the frame body;

when the transmission sliding shaft is located at a first position, the transmission sliding shaft is only in one-way transmission connection with the rotary drum, the lower insertion pipe is inserted into the driving gear, the rotary drum is fixed relative to the driving gear, the blade assembly is fixed relative to the rotary drum, and the transmission sliding shaft rotates to enable the blade assembly to rotate circumferentially around the rotary drum; when the transmission sliding shaft is located at the second position, the transmission sliding shaft is connected with the driving gear in an inserting mode, the lower inserting pipe is separated from the driving gear, the transmission sliding shaft rotates to drive the driving gear to rotate only, the transmission sliding shaft rotates to enable the main blade and the rotary drum to rotate relatively, and the main blade and the auxiliary blade rotate relatively.

2. A multi-functional exercise rowing machine in accordance with claim 1, further comprising: the frame body is internally and longitudinally connected with an adjusting rod in a sliding manner, and the adjusting rod is used for driving the transmission sliding shaft to longitudinally slide; a pedal capable of driving the adjusting rod to slide downwards is rotatably connected in the frame body along the left and right directions; when the adjusting rod slides downwards, the transmission sliding shaft slides downwards; when the adjusting rod slides upwards, the transmission sliding shaft slides upwards.

3. A multi-functional exercise rowing machine in accordance with claim 1, further comprising: a driving shaft for driving the transmission sliding shaft to rotate is rotatably connected in the frame body; and a winding belt wheel for winding the dragging belt is formed on the outer wall of the driving shaft close to the upper end.

4. A multi-functional exercise rowing machine in accordance with claim 1, further comprising: the lower end of the outer wall of the lower inserting pipe is formed with a plurality of uniformly arranged toothed plates capable of being inserted into the driving gear.

5. A multi-functional exercise rowing machine in accordance with claim 1, further comprising: one end of the dragging belt, which is far away from the transmission sliding shaft, is fixedly connected with a pull rod; handles convenient for pulling the pull rod are respectively arranged at the two ends of the pull rod.

6. A multi-functional exercise rowing machine in accordance with claim 5, further comprising: two limiting columns which are symmetrically arranged are formed at the front end of the frame body; and the lower end of the limiting column is provided with an anti-falling groove for limiting the movement of the pull rod.

7. A multi-functional exercise rowing machine in accordance with claim 1, further comprising: a plurality of pawls are uniformly formed on the upper part of the outer wall of the transmission sliding shaft along the circumferential direction; and a ratchet wheel which can be in one-way transmission connection with the pawl is formed on the upper part of the inner wall of the rotary drum.