CN212593698U - Exercise device and magnetic resistance and brake control structure thereof - Google Patents

Abstract

The utility model relates to a body-building device and magnetic resistance and brake control structure thereof, including a sleeve, a rotating member, a combined type operating parts, a displacement piece and a cable spare. The sleeve has an operating end and an acting end. The rotating member is coaxially arranged in the sleeve in an axial direction and can relatively rotate in the sleeve, the rotating member is provided with an axial guide path in the axial direction, and the rotating member is provided with an exposed part extending out of the acting end. The operating rod comprises an operating part and an operating rod, the operating part is exposed out of the operating end, the operating rod coaxially penetrates through the rotating piece, a pressing end of the operating rod extends out of the exposed part, and the operating rod can relatively move on the rotating piece in the axial direction. The axial moving piece is fixed on the operating rod and moves along the axial guide path or drives the rotating piece to synchronously rotate through the axial guide path. A first end of the cable member is secured directly or indirectly to the exposed portion. The utility model discloses can control the magnetic resistance subassembly and produce different magnetic resistance to this body-building device's flywheel.

Description

Exercise device and magnetic resistance and brake control structure thereof

Technical Field

The utility model relates to a body-building device and magnetic resistance and brake control structure thereof relies on the action bars can be at this sleeve internal displacement and stretch out from this effect end and support in this brake subassembly with the control brake, or the location after this action bars of pivot drives this setting element pivot an angle to control the magnetic resistance.

Background

Nowadays, sports wind is increasingly popular, and people are not limited to outdoor sports in sports. Generally, the two control devices are commonly used in indoor sports equipment, such as a treadmill, a body builder, an elliptical machine, etc., and the sports equipment of the above kind has a resistance unit to increase the training intensity and a brake unit to stop operating, so that the two control devices will increase the production cost and take a lot of labor in manufacturing.

Taiwan publication No. I669141, "flywheel vehicle integrating brake and resistance adjustment mechanism", is a flywheel vehicle integrating brake and resistance adjustment mechanism, and comprises a frame, a transmission wheel, a flywheel, and a resistance brake device. The driving wheel can be arranged on the frame. The flywheel can be made of metal material and is driven by the driving wheel to rotate. The resistance brake device can comprise a magnet assembly, a resistance adjusting seat, a control piece, a manual brake assembly and a resistance control assembly. The resistance adjusting seat can be connected with the frame. The magnet assembly can be pivoted on the resistance adjusting seat. The control member may be coupled to the magnet assembly. The manual brake component can be arranged on the handle position of the frame and comprises a brake handle and a brake control line. The resistance control assembly may include a motor, a control interface, and a resistance control winding.

The above-mentioned common sports equipment or taiwan bulletin No. I669141 is divided into a resistance unit and a brake unit, and two control devices respectively control the resistance unit and the brake unit, so that the divided control devices increase the production cost, are labor-consuming to manufacture, and are inconvenient to use.

SUMMERY OF THE UTILITY MODEL

Accordingly, the present invention provides a fitness device and a reluctance and brake control structure thereof, wherein the operating rod can be displaced in the sleeve to extend from the acting end to abut against the brake component to control the brake, or the operating rod is pivoted to drive the positioning member to pivot for positioning after an angle, so as to control the reluctance resistance.

The utility model provides a magnetic resistance and brake control structure, including a sleeve, a rotating member, a combined type operating parts, a displacement piece and a cable spare. The sleeve has an operating end and an acting end. The rotating member is coaxially arranged in the sleeve in an axial direction and can relatively rotate in the sleeve, the rotating member is provided with an axial guide path in the axial direction, and the rotating member is provided with an exposed part extending out of the acting end. The operating rod comprises an operating part and an operating rod, the operating part is exposed out of the operating end, the operating rod coaxially penetrates through the rotating piece, a pressing end of the operating rod extends out of the exposed part, and the operating rod can relatively move on the rotating piece in the axial direction. The axial moving piece is fixed on the operating rod and moves along the axial guide path or drives the rotating piece to synchronously rotate through the axial guide path. A first end of the cable member is secured directly or indirectly to the exposed portion. By rotating the operating part, the axial moving part drives the rotating part to synchronously rotate, so that the exposed part drives the cable part to wind or release around the axial direction, and by pressing the operating part, the operating rod relatively moves to the exposed part in the axial direction.

Furthermore, the rotating member further includes a main body, one end of the main body extends a retaining wall in a radial direction perpendicular to the axial direction, when the rotating member is disposed on the sleeve, the retaining wall abuts against the operating end, the other end of the main body is connected with the exposed portion, a step surface is disposed between the main body and the exposed portion, the rotating member has an axial hole penetrating through the main body and the exposed portion in the axial direction, the axial guide path is disposed on the main body, and the operating rod penetrates through the axial hole.

Further, the axial moving member includes an axial body and a protruding portion, the axial body has a through hole in the axial direction, the operating rod passes through the through hole, so that the axial body is assembled in the axial hole, and the protruding portion slides in the axial guide path.

Furthermore, a positioning member is fixed in the sleeve and abuts against the step surface, the positioning member is provided with a through hole in the axial direction, and the exposed part penetrates through the through hole and is fixed with the positioning member.

The cable disc is fixed at the exposed end and abuts against the action end of the sleeve, so that the rotating piece is limited by the cable disc and the positioning piece and cannot move in the axial direction.

Furthermore, a limiting disc is fixed at the exposed end, the limiting disc comprises a protruding block protruding towards the radial direction, when the rotating element is driven by the axial moving element to rotate, the cable disc and the limiting disc are synchronously driven to rotate along a rotating path, and a limiting element is arranged on the rotating path and corresponds to the protruding block, so that the limiting element is abutted against the protruding block to limit the rotating angle of the cable disc.

Furthermore, the outer edge of the positioning element is provided with a plurality of positioning slots, the sleeve is fixed with a stop assembly, the stop assembly comprises a penetrating element and a stop element, the penetrating element is provided with a blind hole along the radial direction, a first spring is arranged in the blind hole, an opening end of the blind hole is provided with the stop element, the stop element reciprocates along the radial direction, the first spring is abutted against the stop element, and the positioning element and the rotating element are synchronously positioned by abutting against any one of the positioning slots by virtue of the stop element.

Furthermore, the blocking piece is provided with a spherical surface which is abutted against the positioning groove.

The utility model provides a body-building device of utensil magnetic resistance and brake control structure, this body-building device further contain a support body, a flywheel, a brake subassembly, a magnetic resistance subassembly and above-mentioned magnetic resistance and brake control structure. The flywheel is pivotally arranged on the frame body. The brake component is pivoted on the frame body and is actuated by the pressing end to contact the flywheel for braking or be away from the flywheel for releasing the braking. The magnetic resistance component is pivoted to the frame body and connected to a second end of the rope piece, and the rope piece is used for controlling the magnetic resistance component to move towards or away from the flywheel so as to control the magnetic resistance of the flywheel.

Furthermore, the brake assembly comprises a brake seat, a friction block and a second spring, the brake seat is pivoted on the frame body, the friction block is fixed on the brake seat and faces the flywheel, one end of the second spring is connected with the frame body, the other end of the second spring is connected with the brake seat, and the brake seat is endowed with a reset elastic force facing the pressing end.

Furthermore, the reluctance assembly includes a reluctance seat, at least one magnetic element, and a third spring, the reluctance seat is pivoted to the frame at a first pivot point, the reluctance seat includes a first seat end and a second seat end, the first seat end and the second seat end are respectively located at different sides of the first pivot point, the magnetic element is fixed in the reluctance seat, the reluctance seat has an open slot, the magnetic element is disposed at the open slot, one end of the third spring is connected to the frame, the other end of the third spring is connected to the first seat end, the second end of the cable element is connected to the second seat end, and the cable element controls the reluctance seat to rotate around the first pivot point as an axis, so that the open slot moves toward or away from the flywheel.

According to the technical characteristics, the following effects can be achieved:

1. the utility model discloses this action bars can be at this sleeve internal displacement and stretch out from this effect end, makes this action bars press the bottom end top to support this brake subassembly, makes this brake unit produce a brake power, and this brake power is enough to make body-building device's flywheel quick brake or slow down the rotational speed fast. The operating rod is pivoted to drive the positioning piece to pivot for an angle and then to be positioned, so that the magnetic resistance component can be controlled to generate different magnetic resistance forces on the flywheel of the body-building device.

2. The utility model discloses there is a rotating member to set up between this sleeve and this action bars, and this action bars has a displacement piece, and this rotating member has an axial guide, and this axial displacement piece sets up at this axial guide, relies on the length that this action bars of this axial guide control stretches out from this effect end to move a messenger this rotating member relative rotation in the sleeve through this axle.

Drawings

Fig. 1 is an exploded perspective view of the reluctance and brake control structure of the present invention.

Fig. 2 is a perspective view of the magnetic resistance and brake control mechanism of the present invention.

Fig. 3 is a sectional view of the magnetic resistance and brake control mechanism of the present invention.

Fig. 4 is another side sectional view of the magnetic resistance and brake control mechanism of the present invention.

Fig. 5 is a cross-sectional view of the positioning member and the locking assembly of the present invention.

Fig. 6 is a side view of the exercise apparatus of the present invention.

Fig. 7 is a structural diagram of the brake assembly and the magnetic resistance assembly according to the present invention.

Fig. 8 is a schematic view of the open slot shifted flywheel of the reluctance module of the present invention.

Fig. 9 is a schematic view of the brake assembly of the present invention shown without actuation.

Fig. 10 is an operation diagram of the brake assembly of the present invention.

Fig. 11 is an action diagram of the positioning member and the stop assembly of the present invention.

Fig. 12 is a cross-sectional view of the limiting plate and the limiting member of the present invention at the first position.

Fig. 13 is a cross-sectional view of the limiting plate and the limiting member of the present invention at a second position.

FIG. 14 is an operation diagram of the magnetic resistance module according to the present invention.

Fig. 15 is a schematic view of the structure of an exercise device according to another embodiment of the present invention.

Fig. 16 is a schematic view of a brake assembly controlled by a reluctance and brake control mechanism according to another embodiment of the present invention.

Fig. 17 is a schematic view of the brake assembly according to another embodiment of the present invention.

Fig. 18 is a schematic view of a reluctance unit for controlling operation of a reluctance and brake control mechanism according to another embodiment of the present invention.

FIG. 19 is an operational diagram of a magneto resistive element according to another embodiment of the present invention.

Description of reference numerals: 1-a sleeve; 11-an operation end; 12-an active end; 13-a stop assembly; 131-a penetration; 132-a barrier; 1321-sphere; 133-a fixture; 134-blind hole; 135-a first spring; 136-open end; 137-a plug; 14-a first bushing; 15-a second bushing; a 16-C type buckle ring; 17-catching grooves; 18-perforating; 2-a rotating member; 21-a main body portion; 22-an exposed portion; 23-axial guide way; 24-retaining walls; 25 steps of surface; 26-shaft hole; 3-a composite operating member; 31-an operating part; 32-a lever; 32A-lever; 321-a pressing end; 321A-a pressing end; 4-an axis shift member; 41-shaft body; 411 through holes; 42-a boss; 5-a cable member; 5A-a reluctance cable member; 51-a first end; 52-second end; 6-a positioning member; 61-a through hole; 62 positioning grooves; 7-cable disc; 7A-cable disc; 71-cable groove; 8-a limiting disc; 81-bump; 82-a stop; 9-a fitness device; 9A-an exercise device; 91-frame body; 91A-frame body; 911-first pivot point; 911A-active lever; 912A-second pivot point; 913A-a torsion spring; 914A-a third pivot point; 915A-a fourth pivot point; 92-a flywheel; 92A-flywheel; 93-a brake assembly; 93A-a brake assembly; 931-brake seat; 931A-brake seat; 932-a friction block; 932A-friction block; 933-a second spring; 933A-connecting end; 934A-brake cable member; 94-a magneto resistive element; 94A-a magneto resistive element; 941-magnetic reluctance seat; 941A-magnetoresistive mount; 942 — a magnetic member; 942A-a magnetic member; 943-third spring; 943A-fourth spring; 944 — a first seat end; 944A-first side; 945-a second seat end; 945A-second side; 946-open cells; a-a rotational path; x-axial direction; y-radial direction.

Detailed Description

By combining the above technical features, the main functions of the exercise device and the magnetic resistance and brake control structure of the present invention will be clearly demonstrated in the following embodiments.

Referring to fig. 1 to 3, the magnetic resistance and brake control structure of the present invention includes a sleeve 1, a rotating member 2, a combined operating member 3, a moving member 4, a cable member 5, a positioning member 6, a cable disc 7 and a limiting disc 8. The sleeve 1 extends along an axial direction X and has an operation end 11 and an action end 12, and a first bushing 14 and a second bushing 15 are respectively sleeved on the operation end 11 and the action end 12 of the sleeve 1. In this embodiment, the rotating member 2 includes two symmetrical semi-cylindrical blocks, the rotating member 2 extends into the sleeve 1 and is coaxially disposed in the sleeve 1 in the axial direction X, and the rotating member 2 can relatively rotate in the sleeve 1, the rotating member 2 includes a main body portion 21 and an exposed portion 22, the cross section of the exposed portion 22 is non-circular, the rotating member 21 has an axial guide 23 in the axial direction X, the axial guide 23 is a sliding slot in this embodiment, one end of the main body portion 21 extends in a radial direction Y perpendicular to the axial direction X to form a retaining wall 24, when the rotating member 2 is disposed in the sleeve 1, the retaining wall 24 abuts against the first lining 14 of the operating end 11, the other end of the main body portion 21 is connected to the exposed portion 22, the exposed portion 22 extends out of the acting end 12, a plane 25 is disposed between the main body portion 21 and the exposed portion 22, the rotating member 2 has an axial hole 26 passing through the main body portion 21 and the exposed portion 22 in the axial direction X, the axial guide passage 23 is provided in the main body 21. The composite operation member 3 includes an operation portion 31 and an operation rod 32, the operation portion 31 is exposed out of the operation end 11, the operation rod 32 coaxially passes through the rotation member 2, the operation rod 32 passes through the axial hole 26, a pressing end 321 of the operation rod 32 extends out of the exposed portion 22, and the operation rod 32 can relatively move in the axial direction X on the rotation member 2. The axial moving element 4 is fixed on the operating rod 32, so that the operating rod 32 and the axial moving element 4 are synchronously operated, the axial moving element 4 comprises an axial body 41 and two protrusions 42, the axial body 41 has a through hole 411 in the axial direction X, the operating rod 32 passes through the through hole 411, so that the axial body 41 is assembled in the axial hole 26, and the protrusions 42 slide in the axial guide 23. The positioning element 6 is located in the sleeve 1, the positioning element 6 has a non-circular through hole 61 in the axial direction X, the exposed portion 22 penetrates through the through hole 61 to be fixed, the positioning element 6 abuts against the step surface 25, the positioning element 6 can rotate synchronously with the rotating element 2, and a plurality of positioning slots 62 are formed around the outer edge of the positioning element 6. The cable disc 7 is provided with a cable groove 71 at the periphery, the cable member 5 is connected with the cable disc 7 at the first end 51 and the cable member 5 is accommodated in the cable groove 71, the cable disc 7 is sleeved on the exposed part 22 and is pressed against the second bush 15 of the action end 12 of the sleeve 1, and a C-shaped retaining ring 16 is retained in a retaining groove 17 of the exposed part 22 to fix the cable disc 7 on the exposed part 22. The limiting disc 8 is sleeved on the exposed portion 22 and located at the lower edge of the cable disc 7, and then another C-shaped retaining ring 16 is fastened to another fastening groove 17 of the exposed portion 22 to fix the limiting disc 8 on the exposed portion 22, the limiting disc 8 includes a protrusion 81 protruding toward the radial direction Y, when the rotating member 2 is driven to rotate by the axial moving member 4, the cable disc 7 and the limiting disc 8 are synchronously driven to rotate along a rotation path a, a limiting member 82 is disposed on the rotation path a corresponding to the protrusion 81, so that the limiting member 82 abuts against the protrusion 81 to limit the rotation angle of the cable disc 8.

Referring to fig. 1, 4 and 5, four through holes 18 are further disposed on the sleeve 1 along the radial direction Y, and a stop assembly 13 is disposed at the through holes 18, the stop assembly 13 includes a penetrating member 131, a stop member 132, a first spring 135, a stopper 137 and a fixing member 133, two opposite ends of the penetrating member 131 are hollow, the stop member 132, the first spring 135 and the stopper 137 are sequentially disposed into the penetrating member 131 from one end of the penetrating member 131, the stop member 132 has a spherical surface 1321, the stopper 137 closes the one end of the penetrating member 131 to form a blind hole 134, so that the other end becomes an open end 136, the width of the open end 13 is smaller than the width of the spherical surface 1321, so as to fix the stop member 132 and the first spring 135 in the blind hole 134, so that the spherical surface 1321 extends from the open end 136 of the penetrating member 131, and the penetrating member 131 passes through the through holes 18, the spherical surface 1321 of the blocking member 132 abuts against the positioning slot 62 of the positioning member 6, and the fixing member 133 is used to fix the penetrating member 131 on the sleeve 1.

Referring to fig. 6, 7 and 8, the present invention is also an exercise device 9, the exercise device 9 includes the above mentioned magnetic resistance and brake control structure, the exercise device 9 of the present embodiment is an exercise bicycle, and the exercise device 9 includes a frame 91, a flywheel 92, a brake component 93 and a magnetic resistance component 94. The flywheel 92 of this embodiment is disposed in front of the exercise apparatus 9, and the flywheel 92 is pivotally connected to the frame 91. The brake assembly 93 is also pivotally connected to the frame 91, the brake assembly 93 includes a brake seat 931, a friction block 932 and a second spring 933, the friction block 932 is wool felt, the brake seat 931 is pivotally connected to the frame 91, the friction block 932 is fixed to the brake seat 931 and faces the flywheel 92, one end of the second spring 933 is connected to the frame 91, and the other end of the second spring 933 is connected to the brake seat 931. The magnetic resistance element 94 is pivotally connected to the frame 91, the magnetic resistance element 94 includes a magnetic resistance base 941, at least one magnetic element 942, and a third spring 943, wherein the magnetic resistance base 941 is pivotally connected to the frame 91 by a first pivot point 911. As shown in fig. 7, the magnetic reluctance base 941 includes a first base end 944 and a second base end 945, wherein the first base end 944 and the second base end 945 are respectively located at different sides of the first pivot point 911. As shown in fig. 8, the magnetic element 942 is fixed in the magnetic reluctance seat 941, the magnetic reluctance seat 941 has an open slot 946, and the magnetic element 942 is disposed at the open slot 946. As shown in fig. 7, one end of the third spring 943 is connected to the frame 91, the other end of the third spring 943 is connected to the first seat end 944, the second end 52 of the cable 5 is connected to the second seat end 945, and the cable 5 controls the magnetic seat 941 to rotate around the first pivot point 911, so that the open slot 946 shown in fig. 8 moves toward or away from the flywheel 92.

Referring to fig. 9 and 10, when a user trains on the exercise device 9 (shown in fig. 6), the user can press the operation portion 31 to make the operation rod 32 drive the two protrusions 42 of the axial moving element 4 to axially displace on the axial guide path 23 of the rotating element 2, and the axial guide path 23 limits the axial displacement distance of the axial moving element 4. By means of the above operation, the operating rod 32 axially moves in the sleeve 1 and extends from the acting end 12, so that the pressing end 321 of the operating rod 32 abuts against the braking seat 931, when the braking seat 931 moves downward, the friction block 932 abuts against the flywheel 92 to generate a braking force, the second spring 933 is stretched by the braking seat 931, the second spring 933 gives a return elastic force to the braking seat 931 towards the pressing end 321, and the braking force enables the flywheel 92 to brake quickly or slow down the rotation speed quickly. When the user releases the operating portion 31, the brake seat 931 drives the friction block 932 to move away from the flywheel 92 by the restoring elastic force, and pushes the pressing end 321 to move away from the flywheel 92.

Referring to fig. 3, 4 and 6, when the user trains on the exercise device 9, the user can rotate the operation portion 31 to make the operation rod 32 drive the axial moving member 4 to rotate, and further make the protrusion 42 of the axial moving member 4 drive the rotating member 2 to rotate in the sleeve 1 by virtue of the axial guide 23. At this time, the rotation member 2 drives the rotation. Referring to fig. 11, the blocking member 132 of the stopping assembly 13 abuts against the first spring 135, and when the blocking member 132 extends into the positioning slot 62, the first spring 135 will abut against the spherical surface 1321 of the blocking member 132 in the positioning slot 62, so that the positioning member 6 is positioned; when the rotating member 2 pivots the positioning member 6, the blocking member 132 compresses the first spring 135 to disengage from the positioning slot 62 and enter the next positioning slot 62.

Referring to fig. 12 and 14, in fig. 12, when the limiting plate 8 rotates counterclockwise, the cable 5 is released, and finally the protrusion 81 of the limiting plate 8 abuts against one side of the limiting member 82, and the magnetic resistance element 94 is relatively close to the flywheel 92, so that the magnetic resistance effect is relatively large. Referring to fig. 7, 11 and 13, the operating portion 31 is rotated clockwise to rotate the limiting disc 8 clockwise in fig. 13 on the rotation path a, and finally the protrusion 81 of the limiting disc 8 abuts against the other side of the limiting member 82, at this time, the cable disc 8 winds the cable 5 into the cable groove 71, so that the open groove 946 (shown in fig. 8) of the magnetic resistance element 94 in fig. 7 is far away from the flywheel 92, and at this time, the magnetic resistance is minimum. The magnetic resistance element 94 rotates around the first pivot point 911 by the traction of the cable 5 and the force applied by the third spring 943, and when the cable 5 is released, the third spring 943 pulls the magnetic resistance element 94 to make the magnetic resistance element 94 relatively close to the flywheel 92; when the cable 5 is pulled back, the third spring 943 is stretched and the reluctance assembly 94 is relatively far from the flywheel 92.

Referring to fig. 15 to 17, another embodiment of the present invention is shown, in which a flywheel 92A is disposed behind the exercise device 9A. As shown in fig. 16, a movable rod 911A is pivotally connected to the frame 91A of the exercise apparatus 9A via a second pivot point 912A, a torsion spring 913A is disposed at the second pivot point 912A to provide a return elastic force to the movable rod 911A, the movable rod 911A is connected to one end of a brake cable 934A, please refer to fig. 17, the other end of the brake cable 934A is connected to a brake seat 931A having an L-shape, the brake seat 931A is pivotally connected to the frame 91A via a third pivot point 914A, the brake seat 931A includes a friction block 932A and a connection end 933A, the friction block 932A and the connection end 933A are respectively located at different sides of the third pivot point 914A, wherein the friction block 932A faces the flywheel 92A. When the pressing end 321A presses the movable rod 911A, the movable rod 911A pulls the brake cable 934A, so that the brake cable 934A pulls the brake seat 931A, the brake seat 931A rotates clockwise around the third pivot point 914A, so that the friction block 932A moves toward the flywheel 92A, and thus the flywheel 92A is rapidly braked or the rotation speed is reduced; when the operating rod 32A releases the pressing end 321A, the torsion spring 913A forces the movable rod 911A to return, the braking cable component 934A releases the braking seat 931A, and the braking seat 931A rotates counterclockwise around the third pivot point 914A, so that the friction block 932A moves away from the flywheel 92A, thereby releasing the braking of the flywheel 92A.

Referring to fig. 15, 18 and 19, the cable reel 7A of the present embodiment is connected to one end of a magnetic resistance cable member 5A, the other end of the magnetic resistance cable member 5A is connected to a magnetic resistance base 941A, the magnetic resistance base 941A is pivotally connected to the frame 91A of the exercise apparatus 9A by a fourth pivot point 915A, the magnetic resistance base 941A includes a first side 944A close to the flywheel 92A, an opposite side of the first side 944A is a second side 945A, the magnetic resistance cable member 5A is connected to the second side 945A, and a fourth spring 943A is connected to the frame 91A and the second side 945A to provide a restoring elastic force to the magnetic resistance base 941A. When the cable disc 7A rotates to pull the magnetic resistance cable member 5A, the magnetic resistance cable member 5A pulls the magnetic resistance base 941A from the second side 945A, so that the magnetic resistance base 941A rotates counterclockwise around the fourth pivot point 915A as an axis, the magnetic resistance base 941A approaches the flywheel 92A gradually, and the magnetic resistance of the flywheel 92A increases gradually; when the cable disc 7A rotates to release the magnetic resistance cable 5A, the fourth spring 943A pulls the magnetic resistance base 941A, so that the magnetic resistance base 941A rotates clockwise around the fourth pivot point 915A, the magnetic resistance base 941A gradually moves away from the flywheel 92A, and the magnetic resistance of the flywheel 92A gradually decreases.

In the above embodiments, the cable 5, the brake 934A and the magnetic resistance cable 5A are all inserted into a rigid tube, and the rigid tube is fixed to the frame 91, 91A, so as to ensure that the traction stroke of the cable 5, the brake 934A and the magnetic resistance cable 5A is maintained to be correct.

The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (11)

1. A reluctance and brake control architecture, comprising:

a sleeve having an operating end and an acting end;

a rotating member coaxially disposed in the sleeve in an axial direction and relatively rotatable with respect to the sleeve, the rotating member having an axial guide path in the axial direction, the rotating member having an exposed portion extending beyond the acting end;

a composite operation member, including an operation portion and an operation rod, the operation portion is exposed out of the operation end, the operation rod coaxially passes through the rotation member, a pressing end of the operation rod extends out of the exposed portion, and the operation rod can move relative to the rotation member in the axial direction;

a moving part fixed on the operating rod and moving along the axial guide path or driving the rotating part to rotate synchronously through the axial guide path;

a cable member having a first end secured directly or indirectly to the exposed portion;

by rotating the operating part, the axial moving part drives the rotating part to synchronously rotate, so that the exposed part drives the cable part to wind or release around the axial direction, and by pressing the operating part, the operating rod moves relative to the exposed part in the axial direction.

2. The structure according to claim 1, wherein the rotating member includes a main body, a wall extending radially from one end of the main body to a position perpendicular to the axial direction, the wall abutting against the operating end when the rotating member is disposed in the sleeve, the other end of the main body being connected to the exposed portion, a step surface being disposed between the main body and the exposed portion, the rotating member having an axial hole passing through the main body and the exposed portion in the axial direction, the axial guide being disposed on the main body, the operating rod passing through the axial hole.

3. The structure according to claim 2, wherein the axial moving element comprises a shaft body and a protrusion, the shaft body has a through hole in the axial direction, the operating rod passes through the through hole to assemble the shaft body in the shaft hole, and the protrusion slides in the axial guide channel.

4. A magnetic resistance and brake control structure as claimed in claim 3, wherein a positioning member is fixed in the sleeve, the positioning member abuts against the step surface, the positioning member has a through hole in an axial direction, and the exposed portion passes through the through hole and is fixed to the positioning member.

5. The structure of claim 4, comprising a cable disc having a cable slot formed at a periphery thereof, wherein the first end of the cable member is connected to the cable disc and the cable member is received in the cable slot, and the cable disc is fixed to the exposed end and abuts against the operating end of the sleeve, such that the rotating member is restrained by the cable disc and the positioning member from moving in the axial direction.

6. The structure of claim 5, wherein a limiting plate is fixed to the exposed end, the limiting plate includes a protrusion protruding in the radial direction, the rotating member is rotated by the shaft moving member to synchronously rotate the cable plate and the limiting plate along a rotation path, and a limiting member is disposed on the rotation path and corresponds to the protrusion, such that the limiting member abuts against the protrusion to limit the rotation angle of the cable plate.

7. A magnetic resistance and brake control structure as claimed in claim 4, wherein the positioning member has a plurality of positioning slots formed on an outer periphery thereof, the sleeve is fixed with a stop member, the stop member includes a through member and a stop member, the through member has a blind hole along the radial direction, a first spring is disposed in the blind hole, the stop member is disposed at an open end of the blind hole, the stop member reciprocates along the radial direction, the first spring abuts against the stop member, and the stop member abuts against any one of the positioning slots, so that the positioning member and the rotating member are synchronously positioned.

8. The structure of claim 7, wherein the blocking member has a spherical surface, and the blocking member abuts against the positioning groove through the spherical surface.

9. An exercise device comprising a reluctance and brake control configuration according to any one of claims 1 to 8, wherein the exercise device comprises:

a frame body;

the flywheel is pivotally arranged on the frame body;

the brake component is pivoted on the frame body and is actuated by the pressing end to contact the flywheel for braking or be away from the flywheel for releasing the braking;

and the magnetic resistance component is pivoted on the frame body and connected with a second end of the rope piece, and the rope piece is used for controlling the magnetic resistance component to move towards or away from the flywheel so as to control the magnetic resistance of the flywheel.

10. The exercise apparatus according to claim 9, wherein the brake assembly comprises a brake base, a friction block and a second spring, the brake base is pivotally connected to the frame, the friction block is fixed to the brake base and faces the flywheel, one end of the second spring is connected to the frame, and the other end of the second spring is connected to the brake base, so as to provide the brake base with a return elastic force facing the pressing end.

11. The exercise apparatus of claim 9, wherein the magnetic resistance assembly comprises a magnetic resistance base, at least one magnetic element, and a third spring, the magnetic resistance base is pivotally connected to the frame at a first pivot point, the magnetic resistance base comprises a first base end and a second base end, the first base end and the second base end are respectively located at different sides of the first pivot point, the magnetic element is fixed in the magnetic resistance base, the magnetic resistance base has an open slot, the magnetic element is disposed at the open slot, one end of the third spring is connected to the frame, the other end of the third spring is connected to the first base end, the second end of the cable is connected to the second base end, and the cable controls the magnetic resistance base to rotate around the first pivot point to move the open slot toward or away from the flywheel.

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