CN219517690U

CN219517690U - Reluctance structure of rowing machine

Info

Publication number: CN219517690U
Application number: CN202320709095.9U
Authority: CN
Inventors: 徐英彪
Original assignee: Zhejiang Qianming Industry And Trade Co ltd
Current assignee: Zhejiang Qianming Industry And Trade Co ltd
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-08-15
Anticipated expiration: 2033-04-03

Abstract

The utility model belongs to the technical field of body-building equipment, and particularly relates to a magnetic resistance structure of a rowing machine, which comprises a frame and a damper, wherein a resistance rod is rotated on the frame, a tension belt is connected to the resistance rod, the damper is connected with the resistance rod, a resistance disc is fixedly arranged on the resistance rod, a mounting seat is rotationally arranged on the frame, a plurality of magnets and elastic parts for driving the mounting seat to reset are arranged on the mounting seat, a convex edge corresponding to the magnets is arranged on the resistance disc, the convex edge is circular and is arranged concentrically with the resistance rod, the magnets are arranged on the inner side or the outer side of the convex edge, and a traction rope is also arranged on the frame and can drive the magnets to swing and enable the magnets to be far away from or close to the convex edge.

Description

Reluctance structure of rowing machine

Technical Field

The utility model belongs to the technical field of fitness equipment, and particularly relates to a magnetic resistance structure of a rowing machine.

Background

The rowing machine is a machine for simulating the movement of a water racing boat, and has better effect on strengthening the muscles of legs, waist, upper limbs, chest and back, and the upper limbs, lower limbs, waist and abdomen and back can complete contraction and expansion in the process once every rowing, so that the aerobic exercise effect of the muscles of the whole body can be achieved, and a plurality of people can exercise by using the rowing machine at present.

In order to make the rowing machine suitable for different users, the rowing machine is mostly provided with adjustable damping, such as a resistance structure for fitness equipment disclosed in China utility model CN202222176702.8, which belongs to the field of fitness equipment and comprises a rowing machine body, wherein an installation frame is arranged on the upper end surface of the rowing machine body, and a rotating shaft is arranged on the lower end surface of the installation frame in a rotating way; the resistance disc is sleeved on the outer circumferential surface of the rotating shaft; the resistance structure for the body-building equipment has the advantages of rapid resistance adjustment, adaptation to users with different physical abilities, and convenience for users to adjust the resistance according to needs.

But in order to make magnet piece installation stable, centre gripping fork volume and quality all can be great, and the easy downward sloping of centre gripping fork after long-term use to influence rowing machine's normal use, and this structure in-process centre gripping fork slides along resistance disc parallel direction, breaks away from resistance disc top or below through the magnet piece, and resistance change is quick in the adjustment process, inconvenient user adjusts.

Disclosure of Invention

In order to overcome the defects and the existing problems in the prior art, the utility model provides the magnetic resistance structure of the rowing machine, which is simple in structure and convenient to adjust.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a reluctance machine of rowing machine's magnetic resistance structure, includes frame and attenuator, rotates the resistance bar in the frame, is connected with the pulling force area on the resistance bar, and the attenuator is connected with the resistance bar, fixedly be provided with the resistance disc on the resistance bar, rotate in the frame and be provided with the mount pad, be provided with a plurality of magnets and the elastic component that drive mount pad reset on the mount pad, be provided with the protruding edge that corresponds with magnet on the resistance disc, protruding edge is ring shape and with the concentric setting of resistance bar, magnet setting is in protruding inboard or the outside along, still is provided with the haulage rope in the frame, and the haulage rope can drive magnet swing and make magnet keep away from or be close to protruding edge.

After the structure is adopted, the installation seat is rotationally arranged on the frame, the magnet is controlled to swing through the traction rope and is enabled to be far away from or close to the convex edge during use, the hinge structure is simple, the installation seat is convenient to stably install, the convex edge can be rapidly far away from the magnet of the installation seat rotating shaft part during swing, the convex edge can be slowly far away from the magnet of the installation seat rotating shaft part, the resistance change of the reluctance structure of the rowing machine is avoided to be too rapid, and therefore the user can conveniently adjust the resistance of the rowing machine to the size required by the user.

The utility model is further provided with: the mounting seat comprises a hinge part rotationally connected with the frame and a mounting part for mounting the magnet, the mounting part is arc-shaped, and the magnet is arranged on one side of the mounting part close to the convex edge.

After the structure is adopted, the arc-shaped mounting part is not only beneficial to increasing the sectional area of the magnet relative to the convex edge, but also beneficial to enabling the magnet to be close to the convex edge, and is convenient to increase the maximum resistance of the magnetic resistance structure of the rowing machine.

The utility model is further provided with: the resistance disc extends to the frame to form the protruding edge, forms the installation cavity in the protruding edge, and mount pad and magnet all set up in the installation cavity, and the axis of rotation of mount pad and the center pin parallel arrangement of protruding edge.

After the structure is adopted, the installation cavity is provided with the magnet and the resistance disc to be in contact with sundries, so that the sundries are prevented from affecting the normal motion of the installation seat, a user can adjust the resistance of the reluctance structure of the rowing machine, the structure is favorable for preventing the magnet and the resistance disc from being corroded, and the service life of the reluctance structure of the rowing machine is prolonged.

The utility model is further provided with: the machine frame is rotatably provided with a plurality of reversing wheels, the periphery of each reversing wheel is provided with an annular groove, and the tension belts sequentially penetrate through the annular grooves and are connected with the resistance rods.

After the structure is adopted, the setting of the reversing wheel is favorable for flexible setting of the tension belt, and the setting of the annular groove is favorable for avoiding accidental separation of the tension belt and the reversing wheel.

The utility model is further provided with: the damping device is characterized in that a shell is arranged on the rack, the damper comprises a coil spring arranged in the shell, one end of the coil spring is connected with the shell, a reel connected with a tension belt is arranged on the resistance rod, a one-way bearing is arranged on the reel and connected with the resistance rod, the tension belt can drive the resistance rod to rotate through the reel and the one-way bearing, and the reel can relatively rotate with the resistance rod through the one-way bearing when the coil spring drives the reel to reset.

The utility model is further provided with: the spool is provided with a mounting groove, the one-way bearing is arranged in the mounting groove, the two sides of the one-way bearing are respectively provided with a support bearing, the inner ring of the support bearing is matched with the resistance rod, and the outer ring of the support bearing is matched with the mounting groove.

After the structure is adopted, the one-way bearing is beneficial to free rotation in the reel resetting process, other objects on the resistance rod are prevented from influencing the reel resetting, and the quick winding of the tension belt is facilitated; the support bearing is arranged to be favorable for reducing the stress of the one-way bearing, the service life of the reluctance structure of the rowing machine is favorable for being prolonged, and the support bearings are arranged on two sides of the one-way bearing, so that the damage of the one-way bearing caused by sundries is avoided.

The utility model is further provided with: the damper comprises a water tank arranged on the frame and an impeller arranged on the resistance rod, and the impeller is arranged in the water tank.

After the structure is adopted, the water tank and the impeller are arranged to be favorable for increasing the maximum resistance of the magnetic resistance structure of the rowing machine, and the resistance generated by the structure can be increased according to the increase of the movement speed of the tension belt, so that the exercise effect of the rowing machine is favorable for being improved.

The utility model is further provided with: the protruding edge side is provided with the aluminium circle, and the aluminium circle sets up between protruding edge and magnet.

After adopting this structure, the induction line that the aluminium circle cutting magnet produced and produce induced current when using, the induced current in the aluminium circle produces the magnetic field to produce mutual repulsion between two magnetic poles, and then strengthen the resistance upper limit of rowing machine, make the rowing machine can be applicable to different users.

The utility model is further provided with: the traction rope is a brake cable, a protective sleeve is arranged on the frame, the traction rope is arranged in the protective sleeve in a penetrating mode and can slide relatively in the protective sleeve, a servo motor used for driving the traction rope to move is arranged on the frame, a winding piece is arranged on an output shaft of the servo motor, the traction rope is connected with the winding piece, and the servo motor drives the winding piece to rotate and enables the traction rope to be wound on the winding piece.

After the structure is adopted, the protective sleeve is arranged to avoid accidental damage of the traction rope, and friction between the traction rope and other articles is avoided.

Drawings

FIG. 1 is a schematic view of the mounting structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a cross-sectional view of the present utility model;

FIG. 4 is an exploded view of the present utility model;

FIG. 5 is a schematic view of the mounting structure of the mounting base and the magnet according to the present utility model;

FIG. 6 is a cross-sectional view of the mid-drag link, reel, and wrap spring attachment structure of the present utility model;

fig. 7 is an exploded view of the mount mounting structure of the present utility model.

In the figure: 1-a frame; 11-reversing wheels; 12-a servo motor; 13-a traction rope; 14-top plate; 15-a fixing plate; 16-a housing; 111-annular grooves; 121-winding piece; 131-protecting sleeve; 17-a tension band; 2-a mounting base; 21-a hinge; 22-mounting part; 23-magnet; 3-an elastic member; 4-a resistance bar; 5-reel; 51-a placement groove; 52-a one-way bearing; 53-support bearings; 6-coil springs; 7-a water tank; 71-a cavity; 72-impeller; 8-a resistance disc; 81-convex edges; 82-a sleeve; 83-a mounting cavity; 9-aluminum ring.

Detailed Description

The present utility model is further described below with reference to the drawings and specific embodiments for the purpose of facilitating understanding by those skilled in the art.

As shown in fig. 1 to 7, a reluctance structure of rowing machine, including frame 1 and attenuator, rotate resistance bar 4 in frame 1, be connected with pulling force area 17 on the resistance bar 4, and the attenuator is connected with resistance bar 4, fixed being provided with resistance disc 8 on the resistance bar 4, rotate on frame 1 and be provided with mount pad 2, be provided with a plurality of magnet 23 on the mount pad 2 and drive mount pad 2 elastic component 3 that resets, be provided with the protruding edge 81 that corresponds with magnet 23 on the resistance disc 8, protruding edge 81 is the ring shape and with resistance bar 4 concentric setting, magnet 23 sets up in protruding edge 81's inboard or outside, still be provided with haulage rope 13 on frame 1, haulage rope 13 can drive magnet 23 swing and make magnet 23 keep away from or be close to protruding edge 81, and the user accessible haulage rope 13 control magnet 23 swing and make magnet 23 keep away from or be close to protruding edge 81 during the use of this structure, and hinge structure is simple, make things convenient for the stable installation of mount pad 2 axis of rotation part's magnet 23 can keep away from protruding edge 81 fast, and the magnet 23 that is close to the axis of rotation part of rotation of mount pad 2 can keep away from protruding edge 81, and the resistance of the user can not change to the convenient for the user along the resistance of the user to change the resistance of the device, thereby the user can not change the convenient for the resistance of the user to the boat is greatly to the user's resistance to the user is adjusted to the user to the resistance to the edge 81.

The convex edge 81 side is provided with aluminum ring 9, and aluminum ring 9 sets up between convex edge 81 and magnet 23, and when the rowing machine was used, aluminum ring 9 cut the magnetic induction line that magnet 23 produced and produced induced current, and induced current in aluminum ring 9 produced the magnetic field to make the mutual repulsion of producing between two magnetic poles, and then strengthen the resistance upper limit of rowing machine, make the rowing machine can be applicable to different users.

The reversing wheel 11 is rotatably arranged on the frame 1, the circumference of the reversing wheel 11 is provided with an annular groove 111, the tension belt 17 sequentially penetrates through the annular groove 111 and is connected with the resistance rod 4, the reversing wheel 11 is favorable for flexible arrangement of the tension belt 17, and the annular groove 111 is favorable for avoiding accidental detachment of the tension belt 17 and the reversing wheel 11.

According to the utility model, the traction rope 13 is a brake wire, the frame 1 is provided with the protective sleeve 131, the traction rope 13 is arranged in the protective sleeve 131 in a penetrating manner and can slide in the protective sleeve 131 relatively, the frame 1 is provided with the servo motor 12 for driving the traction rope 13 to move, the output shaft of the servo motor 12 is provided with the winding piece 121, the traction rope 13 is connected with the winding piece 121, the servo motor 12 drives the winding piece 121 to rotate and enables the traction rope 13 to be wound on the winding piece 121, and the protective sleeve 131 is beneficial to avoiding accidental damage of the traction rope 13, and is beneficial to avoiding friction between the traction rope 13 and other articles, so that the traction rope is convenient for a user to use.

The mounting seat 2 comprises a hinge part 21 rotatably connected with the frame 1 and a mounting part 22 for mounting the magnet 23, wherein the mounting part 22 is arc-shaped, the magnet 23 is arranged on one side of the mounting part 22 close to the convex edge 81, and the arc-shaped mounting part 22 is not only beneficial to increasing the sectional area of the magnet 23 relative to the convex edge 81, but also beneficial to enabling the magnet 23 to be close to the convex edge 81, so that the maximum resistance of the reluctance structure of the rowing machine is conveniently increased.

Be provided with sleeve 82 on the resistance disc 8, sleeve 82 is connected with resistance rod 4, and resistance disc 8 extends to form to frame 1 protruding edge 81 forms installation cavity 83 in the protruding edge 81, and mount pad 2 and magnet 23 all set up in installation cavity 83, and the axis of rotation of mount pad 2 and the center pin parallel arrangement of protruding edge 81, and the installation cavity 83's being provided with is favorable to debris and magnet 23 and resistance disc 8 contact, avoids debris to influence the normal motion of mount pad 2, and the convenience of customers adjusts the resistance size of rowing machine magnetic resistance structure, and this structure is favorable to avoiding magnet 23 and resistance disc 8 to be corroded, is favorable to the life of extension rowing machine magnetic resistance structure.

In this embodiment, the top plate 14 is disposed on the frame 1, the flange 81 extends toward the top plate 14, a gap is disposed between the flange 81 and the top plate 14, the traction rope 13 passes through the gap and is connected with the mounting seat 2, the top plate 14 is detachably provided with a fixing plate 15, the fixing plate 15 stretches into the mounting cavity 83, the fixing plate 15 is provided with a support bearing 53, the resistance rod 4 is connected with the fixing plate 15 through the support bearing 53, and one end of the elastic member 3 abuts against the support bearing 53 on the fixing plate 15.

According to the utility model, the housing 16 is arranged on the frame 1, the damper comprises the coil spring 6 arranged in the housing 16, one end of the coil spring 6 is connected with the housing 16, the resistance rod 4 is provided with the coil 5 connected with the tension belt 17, the coil 5 is provided with the one-way bearing 52, the one-way bearing 52 is connected with the resistance rod 4, the tension belt 17 can drive the resistance rod 4 to rotate through the coil 5 and the one-way bearing 52, the coil 5 can relatively rotate with the resistance rod 4 through the one-way bearing 52 when the coil spring 6 drives the coil 5 to reset, the one-way bearing 52 is arranged to facilitate free rotation of the coil 5 in the resetting process, prevent other objects on the resistance rod 4 from influencing the resetting of the coil 5, and facilitate rapid winding of the tension belt 17.

In this embodiment, the reel 5 is provided with the mounting groove 51, the unidirectional bearing 52 is disposed in the mounting groove 51, and both sides of the unidirectional bearing 52 are provided with the supporting bearings 53, the inner ring of the supporting bearings 53 is matched with the resistance rod 4, the outer ring of the supporting bearings 53 is matched with the mounting groove 51, the supporting bearings 53 are arranged to reduce the stress of the unidirectional bearing 52, the service life of the reluctance structure of the rowing machine is prolonged, and the supporting bearings 53 are disposed on both sides of the unidirectional bearing 52, so that the unidirectional bearing 52 is prevented from being damaged by sundries.

The damper further comprises a water tank 7 arranged on the frame 1 and an impeller 72 arranged on the resistance rod 4, the impeller 72 is arranged in the water tank 7, the water tank 7 and the impeller 72 are arranged to be beneficial to increasing the maximum resistance of the magnetic resistance structure of the rowing machine, the resistance generated by the impeller 72 is increased according to the increase of the movement speed of the tension belt 17, the improvement of the exercise effect of the rowing machine is facilitated, the water tank 7 is of a detachable structure, a cavity 71 is arranged in the water tank 7, and the impeller 72 is arranged in the cavity 71.

The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a reluctance machine of rowing machine, includes frame (1) and attenuator, rotates on frame (1) and is connected with resistance bar (4), is connected with pulling force area (17) on resistance bar (4), and the attenuator is connected its characterized in that with resistance bar (4): the resistance rod (4) is fixedly provided with a resistance disc (8), the rack (1) is rotatably provided with a mounting seat (2), a plurality of magnets (23) and an elastic piece (3) for driving the mounting seat (2) to reset are arranged on the mounting seat (2), a convex edge (81) corresponding to the magnets (23) is arranged on the resistance disc (8), the convex edge (81) is annular and is concentrically arranged with the resistance rod (4), the magnets (23) are arranged on the inner side or the outer side of the convex edge (81), a traction rope (13) is further arranged on the rack (1), and the traction rope (13) can drive the magnets (23) to swing and enable the magnets (23) to be far away from or close to the convex edge (81).

2. A reluctance machine as claimed in claim 1, wherein: the mounting seat (2) comprises a hinge part (21) rotationally connected with the frame (1) and a mounting part (22) for mounting a magnet (23), wherein the mounting part (22) is arc-shaped, and the magnet (23) is arranged on one side, close to the convex edge (81), of the mounting part (22).

3. A reluctance machine as claimed in claim 1 or 2, wherein: the resistance disc (8) extends to the frame (1) to form the protruding edge (81), an installation cavity (83) is formed in the protruding edge (81), the installation seat (2) and the magnet (23) are arranged in the installation cavity (83), and the rotation axis of the installation seat (2) is parallel to the central axis of the protruding edge (81).

4. A reluctance machine as claimed in claim 3, wherein: a plurality of reversing wheels (11) are rotatably arranged on the frame (1), annular grooves (111) are formed in the peripheries of the reversing wheels (11), and the tension belts (17) sequentially penetrate through the annular grooves (111) and are connected with the resistance rods (4).

5. A reluctance machine as claimed in claim 1 or 2 or 4, wherein: be provided with casing (16) on frame (1), the attenuator is including setting up wind spring (6) in casing (16), and wind spring (6) one end is connected with casing (16), be provided with reel (5) of being connected with drag strip (17) on drag strip (4), be provided with one-way bearing (52) on reel (5), one-way bearing (52) are connected with drag strip (4), drag strip (17) accessible reel (5) and one-way bearing (52) drive drag strip (4) rotate, and reel (5) accessible one-way bearing (52) and drag strip (4) relative rotation when wind spring (6) drive reel (5) reset.

6. A magnetoresistive structure of a rowing machine according to claim 5, characterized in that: the spool (5) is provided with a placement groove (51), the one-way bearing (52) is arranged in the placement groove (51), the two sides of the one-way bearing (52) are respectively provided with a support bearing (53), the inner ring of the support bearing (53) is matched with the resistance rod (4), and the outer ring of the support bearing (53) is matched with the placement groove (51).

7. A magnetoresistive structure of a rowing machine according to claim 6, characterized in that: the damper comprises a water tank (7) arranged on the frame (1), an impeller (72) arranged on the resistance rod (4), and the impeller (72) is arranged in the water tank (7).

8. A reluctance structure of a rowing machine according to claim 1 or 2 or 4 or 6 or 7, characterized in that: an aluminum ring (9) is arranged on the side face of the protruding edge (81), and the aluminum ring (9) is arranged between the protruding edge (81) and the magnet (23).

9. A reluctance structure of a rowing machine according to claim 1 or 2 or 4 or 6 or 7, characterized in that: the traction rope (13) is a brake cable, a protective sleeve (131) is arranged on the frame (1), the traction rope (13) is arranged in the protective sleeve (131) in a penetrating mode and can slide relatively in the protective sleeve (131), a servo motor (12) for driving the traction rope (13) to move is arranged on the frame (1), a winding piece (121) is arranged on an output shaft of the servo motor (12), the traction rope (13) is connected with the winding piece (121), and the servo motor (12) drives the winding piece (121) to rotate and enable the traction rope (13) to be wound on the winding piece (121).