WO2022156264A1

WO2022156264A1 - Collapsible rowing machine

Info

Publication number: WO2022156264A1
Application number: PCT/CN2021/120850
Authority: WO
Inventors: 丘华恩; �田�浩
Original assignee: 野巢科技(北京)有限公司
Priority date: 2021-01-22
Filing date: 2021-09-27
Publication date: 2022-07-28

Abstract

Disclosed is a collapsible rowing machine, comprising a main body, and rowing machine seats including at least one push-pull seat and at least two folding seats, wherein a storage compartment is arranged in the main body, and a pedal is hinged to a compartment opening of the storage compartment; and a rope take-up device is arranged on the main body for reducing the required length of a rope, and a damping adjustment device is arranged at a damper for achieving a damping adjustment effect by means of a magnet and a metal ring. According to the present invention, the whole frame body can be folded and collapsed, in addition, a short-distance rope take-up effect for the rope and a free adjustment for the damping effect of the damper are achieved, and a movable frame is arranged on the folding seat for avoiding a high-low tolerance distance and thus achieving a damping effect. The whole machine has multiple functions, and can effectively improve the user's product experience of the rowing machine.

Description

A retractable rowing machine

technical field

The invention relates to the technical field of fitness equipment, in particular to a retractable rowing machine.

Background technique

As we all know, a rowing machine is a machine used for training purposes to simulate water rowing. Each stroke, the upper limbs, lower limbs, waist and abdomen, and back will complete a complete contraction and extension in the process, which can achieve a full-body muscle aerobic exercise effect.

At present, most of the existing rowing machines cannot be stored, and most of the rowing machines themselves are placed at home or indoors. When idle, the frame body used for placing the seat of the rowing machine is too long, thus occupying a lot of indoor space and causing confusion to users.

SUMMARY OF THE INVENTION

In view of the above-mentioned deficiencies in the prior art, the purpose of the present invention is to provide a retractable rowing machine that is convenient for reducing the volume when idle.

In order to achieve the above object, the present invention adopts the following technical solutions:

A retractable rowing machine, comprising a main body, a rowing machine seat at least one push-pull seat and at least two folding seats, the main body is provided with a storage compartment, the folding seats are connected by hinges, and are located at the innermost side The folding seat is installed on one end of the push-pull seat through the slide rail, and the other end of the push-pull seat is connected to the inner side wall of the storage bin through the slide rail. For the chute of the machine seat, a pedal is hinged at the opening of the storage bin, and a locking pin mechanism for limiting the movement of the folding seat, the push-pull seat and the pedal is provided at the border of the push-pull seat and the folding seat.

Preferably, the locking mechanism includes a locking lever, the locking lever is "L" shaped, the locking member includes a first lever portion and a second lever portion connected to the right end of the first lever portion, and the The first rod portion is horizontally arranged on the inner side wall of the push-pull seat and can be rotated and moved horizontally, and the second rod portion can be rotated around the axis of the first rod portion;

The folding seat bordering the push-pull seat is provided with a locking groove. When the second rod portion rotates, the second rod portion will be positioned in the locking groove to lock the folding seat. When the second rod part is rotated back, the second rod part is separated from the locking groove to unlock the folding seat;

The end of the pedal is provided with a fixed recess that fits with the edge of the push-pull seat. After the pedal is laid down, the fixed recess overlaps the edge of the push-pull seat, and the end of the first rod is at the top. It touches the pedal, so that the pedal cannot continue to move. At the same time, the first rod is sleeved with a first spring, and under the action of the first spring, the end of the first rod has a movement toward the pedal. thrust.

Preferably, an adjusting cap for increasing/decreasing the length of the first rod portion is threadedly connected to the end of the first rod portion, and the pedal is reached by adjusting the ceiling.

Preferably, a support rod is axially connected to the main body, the other end of the support rod is axially connected to the back of the pedal, and the support rod is a hydraulic rod or a hinge rod.

Preferably, it also includes a rope take-up device, the rope take-up device includes a pull rope, an elastic member and a damper connected to the main body through a first take-up rotating shaft, one end of the pull rope is provided with a handle, the other end is connected and wound On the first wire take-up rotating shaft, the main body is provided with a second wire take-up shaft, the first wire take-up shaft and the second wire take-up shaft are synchronously linked through a transmission member, and the first wire take-up turntable is connected with the transmission member The diameter at the place is smaller than the diameter of the connection between the second wire take-up shaft and the transmission member, the second wire take-up shaft is provided with a wire take-up reel, one end of the elastic member is connected to the main body, and the other end is connected to the wire take-up reel through a rope in the take-up slot.

Preferably, the main body is provided with at least one winding column, and the elastic member is sleeved on the winding column; the elastic member is a tension spring or a spring rope or an elastic rope, and the transmission member is a gear set or a synchronous bring.

Preferably, the main body is provided with a plurality of sheaves and/or rollers for routing the wire at the position of the rope and the second wire take-up shaft, and at the position of the pull rope and the first wire take-up shaft.

Preferably, it also includes a damping adjustment device, the damping adjustment device includes a metal ring fixed on the shaft sleeve of the first wire take-up shaft, a ring member is sleeved and fixed on the outer periphery of the metal ring, and the The inner side wall of the ring member is provided with a number of limit grooves along the outer edge of the metal ring, and a first slider and a first chute parallel to each other are arranged in the limit grooves. The rotating shaft barrel of the rotating shaft is provided with gears through the bearing sleeve, the gears are distributed with a number of arc-shaped hollows in an annular array, and a number of moving blocks are arranged at the metal ring, and the moving blocks are close to the metal circle. One side of the ring is provided with a first magnet, the metal ring is made of ferromagnetic material, and the moving block is provided with a sliding rod, a second sliding block and a second sliding slot parallel to each other, and the sliding rods are respectively inserted into Set in the corresponding arc-shaped hollow, the first sliding block is matched with the second sliding groove, the first sliding groove is matched with the second sliding block, and the gear is connected with a driving mechanism .

Preferably, the drive mechanism is a turbine and a worm or a motor and a turbine;

When it is a turbine and a worm, the turbine is meshed with the gear, and a knob is fixed at the end of the worm;

When the motor is connected to the turbine, the turbine is fixed to the end of the output shaft of the motor, and the turbine is engaged with the gear.

Preferably, a movable frame is slidably installed on the chute of the folding seat, the movable frame is provided with a sliding rail surface, and the rowing machine seat is slidably installed on the sliding rail surface, and the movable frame is slidably mounted on the sliding rail surface. The front and rear ends are respectively provided with second magnets, the front and rear ends of the rowing machine seat are provided with third magnets, and the folding seat located at the most rear is provided with a fourth magnet, and the movable frame is opposite to the fourth magnet. A fifth magnet is arranged at a corresponding position of the magnet, the second magnet and the third magnet have the same magnetic pole, and the fourth magnet and the fifth magnet have the same magnetic pole.

Preferably, the rowing machine seat includes a base and a cushion, the bottom of the cushion is provided with a connecting column and a top plate, the end of the connecting column passes through the base and is provided with a lap plate and a second spring is sleeved, the first One end of the two springs touches the base and the other end touches the lap plate, the corners of the base surface are provided with limit blocks corresponding to the top plate, and the two sides of the bottom of the base are respectively provided with a number of pulleys. The pulley is placed on the sliding rail surface of the movable frame.

Preferably, the main body is provided with a first lamp body and a second lamp body, the light projection direction of the first lamp body is facing the damper, and the light projection direction of the second lamp body is facing the damping adjustment device and In the rope retracting device, the main body is located above the damping adjustment device and the casing above the rope retracting device is a transparent cover plate, and the main body has a built-in battery or an external power supply to meet the working power requirements of the first lamp body and the second lamp body.

Due to the adoption of the above solution, the present invention mainly divides the frame body for placing the rowing machine seat into at least one push-pull seat and at least two foldable seats, so that the folding and push-pull of the push-pull seat and the foldable seat can be satisfied, and in the The storage bin opened on the main body can store the folded push-pull seat and the foldable seat in the storage bin, so that when it is idle, the storage can be realized. Combined with the design between other components, it can greatly The volume of the whole machine is reduced, the user experience is more convenient, the structure is simple, the operation is convenient, and has strong practicability.

Description of drawings

FIG. 1 is a schematic diagram of the structural principle of an embodiment of the present invention.

FIG. 2 is a schematic structural diagram after storage according to an embodiment of the present invention.

FIG. 3 is a schematic structural diagram of storage and deployment according to an embodiment of the present invention.

FIG. 4 is a schematic structural diagram of a locking pin mechanism according to an embodiment of the present invention.

FIG. 5 is a schematic structural diagram of another state of the lock pin mechanism according to the embodiment of the present invention.

FIG. 6 is a schematic structural diagram of a rope retracting device according to an embodiment of the present invention.

FIG. 7 is a schematic three-dimensional structure diagram of a rope retracting device according to an embodiment of the present invention.

8 is a schematic structural diagram of damping adjustment of the first wire take-up rotating shaft according to an embodiment of the present invention.

FIG. 9 is a schematic structural diagram of another damping adjustment according to an embodiment of the present invention.

FIG. 10 is a schematic structural diagram of a movable frame according to an embodiment of the present invention.

11 is a schematic structural diagram of a rowing machine seat according to an embodiment of the present invention.

12 is a schematic three-dimensional structure diagram of a rowing machine seat according to an embodiment of the present invention.

13 is a schematic structural diagram of a second lamp body according to an embodiment of the present invention.

In the figure: 1. Main body; 2. Rowing machine seat; 3. Push-pull seat; 4. Folding seat; 5. Storage bin; 6. Slide rail; 7. Chute; 8. Pedal; 9. Locking mechanism; 10, locking rod; 11, first rod part; 12, second rod part; 13, locking groove; 14, fixing recess; 15, first spring; 16, adjusting cap; 17, pulling rope; 18 , elastic part; 19, first take-up shaft; 20, damper; 21, handle; 22, second take-up shaft; 23, transmission part; 24, take-up reel; 25, rope; 26, winding column; 27, sheave; 28, roller; 29, metal ring; 30, drive mechanism; 31, ring piece; 32, limit groove; 33, first slider; 34, first chute; 35, gear; 36, arc hollow; 37, moving block; 38, first magnet; 39, sliding rod; 40, second slider; 41, second chute; 42, movable frame; 43, slide rail surface; 44, first Second magnet; 45, third magnet; 46, fourth magnet; 47, fifth magnet; 48, base; 49, seat cushion; 50, connecting column; 52, lap plate; 53, second spring; 54, top plate; 55, limit block; 56, support rod; 57, first lamp body; 58, second lamp body; 59, transparent cover; 101, motor.

Detailed ways

The embodiments of the present invention are described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways as defined and covered by the claims.

As shown in FIGS. 1 to 13 , a retractable rowing machine provided in this embodiment includes a main body 1 , a rowing machine seat 2 at least one push-pull seat 3 and at least two folding seats 4 , and the main body 1 is provided with a The storage compartment 5 is connected by hinges between the folding seats 4. The innermost folding seat 4 is installed on one end of the push-pull seat 3 through the slide rail 6, and the other end of the push-pull seat 3 is connected to the storage compartment 5 through the slide rail 6. On the inner side wall, the folding seat 4 is provided with a chute 7 that communicates with each other and is used for placing the rowing machine seat 2, a pedal 8 is hinged at the warehouse mouth of the storage bin 5, and the push-pull seat 3 is provided at the border of the folding seat 4. There is a locking mechanism 9 for limiting the movement of the folding seat 4 , the push-pull seat 3 and the pedal 8 .

In this embodiment, the frame body for placing the rowing machine seat 2 is divided into at least one push-pull seat 3 and two folding seats 4, and the folding seats 4 are provided with chutes 7 that communicate with each other, so as to meet the requirements of rowing After the machine seat 2 is installed, it also has the functions of folding and push-pull storage at the same time, and in the actual application of this embodiment, the folding seat 4 can be optionally removed, and a plurality of push-pull seats 3 are used one by one. The slide rails are connected to form a rack body, so that the storage can be completed by pushing and pulling. The main body 1 is provided with a storage bin 5. After being folded, the push-pull seat 3 and the folding seat 4 are pushed into the storage bin 5 by the drawer push and combined with the action of the roller, so as to realize the function of storage. It greatly reduces the volume of the whole machine and gives users a more convenient experience.

Further, the locking pin mechanism 9 includes a locking lever 10, the locking lever 10 is “L” shaped, the locking element 10 includes a first lever portion 11 and a second lever portion 12 connected to the right end of the first lever portion 11, and the first lever portion 12 is connected to the right end of the first lever portion 11. The rod portion 11 is horizontally arranged on the inner side wall of the push-pull seat 3 and can be rotated and moved horizontally, and the second rod portion 12 can be rotated around the axis of the first rod portion 11;

The folding seat 4 bordering the push-pull seat 3 is provided with a locking groove 13. When the second rod portion 12 is rotated, the second rod portion 12 will be positioned in the locking groove 13 to lock the folding seat 4. When the rod portion 12 is rotated back, the second rod portion 12 is disengaged from the locking groove 13 to unlock the folding seat 4;

The end of the pedal 8 is provided with a fixed recess 14 that is adapted to the edge of the push-pull seat 3. After the pedal 8 is down, the fixed recess 14 overlaps the edge of the push-pull seat 3, and the end of the first rod 11 touches On the pedal 8, the pedal 8 cannot continue to move. At the same time, the first rod portion 11 is sleeved with a first spring 15, and under the action of the first spring 15, the end of the first rod portion 11 moves in the direction of the pedal 8. thrust.

Further, the end of the first rod portion 11 is screwed with an adjustment cap 16 for increasing/decreasing the length of the first rod portion 11 , and the adjustment cap 16 pushes against the pedal 8 . When the adjusting cap 16 touches the pedal 8 and the second rod 12 touches the locking groove 13, the pedal 8, the push-pull seat 3 and the folding seat 4 cannot move horizontally, so the locking effect is achieved. Among them, in the process of continuous use, the adjusting cap 16, as a component that touches the pedal 8, will rotate and rub repeatedly during unlocking and locking, or the clearance tolerance generated by the mechanical components after long-term use will make the lock pin The overall length of the mechanism 9 cannot meet the requirements of top contact, and it will feel loose and loose, which will affect the user's experience of the product. Therefore, you can rotate the adjusting cap 16, and screw the adjusting cap 16 out to the required distance, and rely on this distance to make up for it Tolerance value, when the adjustment cap 16 is damaged during use, you can also directly choose to replace it, which is very convenient.

Further, a support rod 26 is pivotally connected to the main body 1 , the other end of the support rod 26 is pivotally connected to the back of the pedal 8 , and the support rod 26 is a hydraulic rod or a hinge rod. In this way, when the pedal 8 is turned over for storage and unfolded for support, a more fluent storage movement and a stable support effect can be provided.

Further, it also includes a rope take-up device, the rope take-up device includes a pull rope 17, an elastic member 18 and a damper 20 connected to the main body through the first wire take-up rotating shaft 19. The damper 20 can be a bellows damper, a water tank damper, Magnetic dampers, etc., one end of the pull rope 17 is provided with a handle 21, the other end is connected and wound on the first take-up shaft 19, the main body 1 is provided with a second take-up shaft 22, the first take-up shaft 19 and the second take-up shaft 19. The wire rotating shaft 22 is synchronously linked by the transmission member 23. The diameter d1 of the connection between the first wire take-up rotary table 19 and the transmission member 23 is smaller than the diameter d2 of the connection between the second wire take-up shaft 22 and the transmission member 23. The second wire take-up shaft 22 is provided with There is a wire take-up reel 24 , one end of the elastic member 18 is connected to the main body 1 , and the other end is connected to the wire take-up slot of the wire take-up reel 24 through a rope 25 . In this embodiment, the diameter difference between d1 and d2 is designed so that it is driven by the rotation of large and small wheels to reduce the required length of the elastic member 18 and the rope 25, reduce the extension of the length on the main body 1, and rely on the resilience of the elastic member 18. It can provide the recovery driving force of the pulling rope 17, thereby effectively reducing the volume of the main body 1, and effectively meeting the structural setting requirements of a small or retractable rowing machine. The overall structure is simple and has strong practicability.

Further, the main body 1 is provided with at least one winding post 26, and the elastic member 18 is sleeved on the winding post 26; the elastic member 18 is a tension spring or a spring rope or an elastic rope, and the transmission member 23 is a gear set or a timing belt.

Further, the main body 1 is provided with a plurality of sheaves 27 and/or rollers 28 for routing wires at the rope 25 and the second wire take-up shaft 22, and at the pull rope 17 and the first wire take-up shaft 19.

Further, it also includes a damping adjustment device, the damping adjustment device includes a metal ring 29 fixed on the shaft sleeve of the first wire take-up shaft 19, a ring member 31 is sleeved and fixed on the periphery of the metal ring 29, and the inner side wall of the ring member 31 is fixed. A number of limit grooves 32 are provided along the outer edge of the upper metal ring 29, and the limit grooves 32 are provided with a first sliding block 33 and a first sliding groove 34 that are parallel to each other. The cylinder is provided with a gear 35 through the bearing sleeve. The gear 35 is distributed with a number of arc-shaped hollows 36 in an annular array. A number of moving blocks 37 are arranged at the metal ring 29, and the side of the moving block 37 close to the metal ring 29 is arranged There is a first magnet 38, the metal ring 29 is made of ferromagnetic material, the moving block 37 is provided with a sliding rod 39, a second sliding block 40 and a second sliding groove 41 parallel to each other, and the sliding rods 39 are respectively inserted into the corresponding Inside the arc-shaped hollow 36 , the first sliding block 33 is matched with the second sliding groove 41 , the first sliding groove 34 is matched with the second sliding block 40 , and the gear 35 is connected with the driving mechanism 30 .

In this embodiment, when the damping adjustment needs to be performed, it is only necessary to use the driving mechanism 30 to drive the gear 35 to rotate forward or reverse. The gear and the first wire take-up shaft 19 are connected by a bearing, so the two will not affect the rotation of each other, so the The gear 35 drives the moving block 37 to move in the limit slot through the arc-shaped hollow 36, that is, the moving method of moving away from and close to the metal ring 29, and the moving block 37 is provided with a first magnet 38, the first magnet 38 and the metal ring There will be suction between the 29, and because the metal ring 29 is fixedly connected to the first wire take-up shaft 19, the suction between the first magnet 38 and the metal ring 29 will bring rotational resistance to the first wire take-up shaft 19, The size of the damping can be adjusted according to controlling the first magnet 38 to approach and move away from the metal ring 29 .

Further, the driving mechanism 30 is a turbine and a worm or a motor 101 and a turbine, as shown in FIGS. 8 and 9 ;

When it is a turbine and a worm, the turbine is meshed with the gear, and the end of the worm is fixed with a knob;

When the motor 101 is connected to the turbine, the turbine is fixed to the end of the output shaft of the motor 101, and the turbine meshes with the gear.

Further, a movable frame 42 is slidably installed on the chute 7 of the folding seat 4, the movable frame 42 is placed on the chute 7 through a pulley, a sliding rail surface 43 is provided on the movable frame 42, and the rowing machine seat 2 can be slidably installed On the slide rail surface 43, specifically through the pulley contacting the slide rail surface 43, the front and rear ends of the movable frame 42 are respectively provided with second magnets 44, and the front and rear ends of the rowing machine seat 2 are provided with third magnets 45, which are located at the front and rear ends of the rowing machine seat 2. A fourth magnet 46 is arranged on the folding seat 4 at the rearmost part, a fifth magnet 47 is arranged at the corresponding position of the movable frame 42 relative to the fourth magnet 46, the second magnet 44 and the third magnet 45 have the same magnetic pole, and the fourth magnet 46 has the same magnetic pole as the fifth magnet 47 . In this embodiment, a movable frame 42 is added, and the movable frame is used as a contact piece with the chute 7, and the folding seat 4 is formed by a plurality of hinges, so there will be a gap tolerance at the hinged joints. If you directly rely on the rowing machine seat 2 moves on it, once the rowing machine seat 2 passes through the gap, it will vibrate. Therefore, adding a movable frame 42 and relying on the length of the slide rail surface 43 provided by the movable frame The pulley can complete a set of pulling and releasing actions without passing through a gap, wherein, when the number of folding seats 4 used is two, the length of the movable frame 42 is preferably equal to the length of a single folding seat 4 . Of course, in the moving process of the movable frame 42 and the rowing machine seat 2 , a magnet is used as a buffer mechanism, and the principle of repulsion of the same poles of the magnets can be used to perform a collision-free buffering effect and improve comfort.

At the same time, in this embodiment, the movable frame 42 may not be used, and a soft rubber gasket is directly selected to be laid at the chute, and the soft rubber gasket is used as the function of the clearance tolerance shock absorption.

Further, the rowing machine seat 2 includes a base 48 and a cushion 49, the third magnet 45 is located at the front and rear ends of the base 48, the bottom of the cushion 49 is provided with a connecting column 50 and a top plate 54, and the end of the connecting column 50 passes through the base 48 and is provided There is a lap plate 52 and a second spring 53 is sleeved. One end of the second spring 53 is in contact with the base 48 and the other end is in contact with the lap plate 52. The corners of the surface of the base 48 are provided with corresponding to the top plate 54. The limiting block 55 and the two sides of the bottom of the base 48 are respectively provided with a number of pulleys, and the pulleys are placed on the slide rail surface of the movable frame 42 . When the rowing machine seat 2 needs to be stored, it is only necessary to lift the seat cushion 49 first, and then rotate it, so that the top plate 54 is located on the other side of the base. At this time, the top plate 54 is suspended in the air, and then the seat cushion is put down. Under the action, the top plate 54 is attached to the side surface of the base 48 , thereby lowering the seat cushion 49 to achieve the function of storage and reduce the overall volume.

In addition, the main body 1 of this embodiment is provided with a first lamp body 57 and a second lamp body 58 , the light projection direction of the first lamp body 57 is facing the damper 20 , and the light projection direction of the second lamp body 58 is The direction is facing the damping adjustment device and the rope take-up device. The casing of the main body 1 above the damping adjustment device and the rope take-up device is a transparent cover plate 59. The main body 1 has a built-in battery (not shown in the figure) or an external power supply to meet the needs of the Requirements for the working power of the first lamp body 57 and the second lamp body 58 . The design of the first lamp body 57 can meet the requirements of light illuminating the damper 20. When the damper 20 is pulled and rotated, the light illuminating the damper 20 will present a dazzling lighting beauty, especially when the damper 20 adopts a water tank, Its effect is more pronounced. The design of the second lamp body 58 is to satisfy the lighting of the rope retracting device and the damping adjusting device, so that the user can see the various mechanism parts more clearly, so as to facilitate the understanding of the rope retracting situation and the need to adjust the damping. The degree of adjustment can be viewed more intuitively.

The above are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields , are similarly included in the scope of patent protection of the present invention.

Claims

A retractable rowing machine is characterized in that it comprises a main body, at least one push-pull seat and at least two folding seats for a rowing machine seat, a storage bin is arranged in the main body, and the folding seats are connected by hinges , the innermost said folding seat is installed on one end of the push-pull seat through the slide rail, the other end of the push-pull seat is connected to the inner side wall of the storage bin through the sliding rail, and the folding seats are provided with interconnected and A chute for placing a rowing machine seat, a pedal is hinged at the opening of the storage compartment, and a lock pin for limiting the movement of the folding seat, the push-pull seat and the pedal is provided at the border between the push-pull seat and the folding seat mechanism.
The retractable rowing machine according to claim 1, wherein the locking pin mechanism comprises a locking rod, the locking rod is "L" shaped, and the locking member comprises a first rod portion and a The second rod part is connected to the right end of the first rod part, and the first rod part is horizontally arranged on the inner side wall of the push-pull seat and can rotate and move in the horizontal direction, and the second rod part can surround the first rod part Rotation in the direction of the axis;

The folding seat bordering the push-pull seat is provided with a locking groove. When the second rod portion rotates, the second rod portion will be positioned in the locking groove to lock the folding seat. When the second rod part is rotated back, the second rod part is separated from the locking groove to unlock the folding seat;

The end of the pedal is provided with a fixed recess that fits with the edge of the push-pull seat. After the pedal is laid down, the fixed recess overlaps the edge of the push-pull seat, and the end of the first rod is at the top. It touches the pedal, so that the pedal cannot continue to move. At the same time, the first rod is sleeved with a first spring, and under the action of the first spring, the end of the first rod has a movement toward the pedal. thrust.
The retractable rowing machine according to claim 2, wherein the end of the first rod part is threadedly connected with an adjusting cap for increasing/decreasing the length of the first rod part, and the pedal is reached by adjusting the ceiling.
A retractable rowing machine as claimed in claim 3, characterized in that: a support rod is axially connected to the upper body of the main body, the other end of the support rod is axially connected to the back of the pedal, and the support rod is Hydraulic rods or hinged rods.
A retractable rowing machine as claimed in claim 1, characterized in that: it further comprises a rope take-up device, and the rope take-up device comprises a pull rope, an elastic member and a damper connected to the main body through the first wire take-up shaft One end of the pull rope is provided with a handle, the other end is connected and wound on the first wire take-up shaft, the main body is provided with a second wire take-up shaft, the first wire take-up shaft and the second wire take-up shaft pass through The transmission parts are synchronously linked, the diameter of the connection between the first wire take-up turntable and the transmission part is smaller than the diameter of the connection between the second wire take-up shaft and the transmission part, the second wire take-up shaft is provided with a wire take-up disc, the elastic force One end of the piece is connected to the main body, and the other end is connected to the wire take-up slot of the wire take-up reel through a rope.
A retractable rowing machine as claimed in claim 5, characterized in that: the main body is provided with at least one winding post, and the elastic member is sleeved on the winding post; the elastic member is a tension spring Or spring rope or elastic rope, and the transmission element is a gear set or a timing belt.
A retractable rowing machine as claimed in claim 6, characterized in that: the main body is located at the rope and the second thread take-up rotating shaft, and at the pull rope and the first thread take-up rotating shaft. Wire sheaves and or rollers.
A retractable rowing machine as claimed in claim 5, characterized in that it further comprises a damping adjusting device, and the damping adjusting device comprises a metal ring fixed on the shaft sleeve of the first reeling shaft, The outer periphery of the metal ring is sleeved and fixed with a ring member, and a number of limit grooves are arranged on the inner side wall of the ring member along the outer edge of the metal ring, and the limit grooves are provided with parallel to each other. The first slider and the first chute, the rotating shaft barrel of the first wire take-up shaft is sleeved with a gear through the bearing, and a number of arc-shaped hollows are distributed on the gear in an annular array, and the metal ring is provided with There are several moving blocks, a first magnet is arranged on the side of the moving blocks close to the metal ring, the metal ring is made of ferromagnetic material, and sliding rods and parallel bars are arranged on the moving blocks. The second sliding block and the second sliding groove, the sliding rods are respectively inserted into the corresponding arc-shaped hollows, the first sliding block and the second sliding groove are matched, and the first sliding groove and the The second sliding block is matched, and the gear is connected with a driving mechanism.
A retractable rowing machine as claimed in claim 7, characterized in that: the drive mechanism is a turbine and a worm or a motor and a turbine;

When it is a turbine and a worm, the turbine is meshed with the gear, and a knob is fixed at the end of the worm;

When the motor is connected to the turbine, the turbine is fixed to the end of the output shaft of the motor, and the turbine is engaged with the gear.
The retractable rowing machine according to claim 1, wherein a movable frame is slidably installed on the chute of the folding seat, a sliding rail surface is provided on the movable frame, and the rowing machine base is The chair can be slidably installed on the slide rail surface.
The retractable rowing machine according to claim 10, wherein the front and rear ends of the movable frame are respectively provided with second magnets, and the front and rear ends of the rowing machine seat are provided with third magnets. A magnet, a fourth magnet is arranged on the folding seat at the rearmost part, a fifth magnet is arranged at the corresponding position of the movable frame relative to the fourth magnet, the second magnet and the third magnet have the same magnetic poles, and the first magnet The fourth magnet has the same poles as the fifth magnet.
The retractable rowing machine according to claim 11, wherein the rowing machine seat comprises a base and a cushion, the bottom of the cushion is provided with a connecting column and a top plate, and the end of the connecting column passes through the base and A lap plate is provided and a second spring is sleeved. One end of the second spring touches the base and the other end touches the lap plate. The corners of the base surface are provided with limiters corresponding to the top plate. The two sides of the bottom of the base are respectively provided with several pulleys, and the pulleys are placed on the sliding rail surface of the movable frame.
The retractable rowing machine according to claim 8, wherein the main body is provided with a first lamp body and a second lamp body, and the light projection direction of the first lamp body is facing the damper, The light projection direction of the second lamp body is facing the damping adjustment device and the rope retracting device, the casing above the damping adjusting device and the rope retracting device is a transparent cover plate, and the main body has a built-in battery or an external power supply to meet the needs of Requirements for the working power supply of the first lamp body and the second lamp body.