CN217139136U - Tension regulator and tension fitness device - Google Patents

Abstract

The utility model discloses a tension regulator and pulling force body-building device, tension regulator include shell, admission machine, flywheel, magnetism inhale subassembly and actuating mechanism, and the admission machine rotates to be installed in the shell, and the flywheel is installed in admission machine and can be followed admission machine and rotate together, and magnetism inhales the periphery that the subassembly interval located the flywheel and inhales the cooperation with the flywheel magnetism, and actuating mechanism inhales the subassembly with the magnetism and is connected and inhale the subassembly orientation or deviate from the flywheel motion with the drive magnetism. When the interval between magnetism subassembly and the flywheel changes, magnetism subassembly is inhaled and the appeal of flywheel also can change thereupon, when magnetism subassembly orientation perhaps deviates from the motion of flywheel direction, magnetism subassembly will increase or reduce the appeal of flywheel, play the effect of adjustment pulling force size, realize that tensile size can be adjusted according to user's actual conditions, satisfy the user's of different strength demand, and is convenient to use, and the pulling force regulator is small, the whole volume of pulling force body-building device has been reduced, convenience of customers hand-carries.

Description

Tension regulator and tension body-building device

Technical Field

The utility model relates to a body-building apparatus technical field especially relates to tension adjuster and pulling force body-building device.

Background

Along with the improvement of living standard of people and the increasing attention on physical exercise, the use of the sports fitness equipment is more and more extensive. The traditional chest developer is generally divided into two types, one type is a spring or rubber band chest developer consisting of an elastic part and a handle, the structure is too simple, the use experience is poor, the other type is large equipment placed indoors such as in a gymnasium, the occupied area is large, and the traditional chest developer cannot be carried about.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a can adjust the pulling force size and pulling force regulator and pulling force body-building device that conveniently carries.

The utility model provides a tension regulator, includes shell, admission machine, flywheel, magnetism subassembly and actuating mechanism of inhaling, the admission machine rotate install in the shell, the flywheel install in admission machine can follow admission machine rotates together, magnetism subassembly interval is located the periphery of flywheel and with the cooperation is inhaled to the flywheel magnetism, actuating mechanism with magnetism is inhaled the subassembly and is connected with the drive magnetism subassembly orientation or is deviated from the flywheel motion is inhaled.

In some embodiments, the driving mechanism includes a motor, a driving member and a transmission member, the driving member is fixed relative to a motor shaft of the motor and can rotate along with the motor shaft, the transmission member is in transmission connection with the driving member, the magnetic attraction component is connected with the transmission member, the motor drives the transmission member to move towards or away from the flywheel through the driving member, and the transmission member drives the magnetic attraction component to move.

In some embodiments, the driving member is a driving shaft, the transmission member is a pushing block, an external thread is arranged on the periphery of the driving shaft, the pushing block is correspondingly provided with a threaded hole, and one end of the driving shaft is inserted into the threaded hole and is in threaded fit with the pushing block.

In some embodiments, the magnetic attraction component is arc-shaped and extends along the circumferential direction of the flywheel, and one end of the magnetic attraction component is rotatably connected with the housing and the other end is connected with the push block.

In some embodiments, an accommodating groove and a waist-shaped hole communicated with the accommodating groove are formed in one end, close to the push block, of the magnetic attraction component, one end of the push block is inserted into the accommodating groove, and the connecting piece movably penetrates through the waist-shaped hole and is connected with the push block.

In some embodiments, the housing includes a casing and a mounting bracket fixed in the casing, the take-up mechanism is rotatably mounted in the casing, the driving mechanism is mounted in the mounting bracket, the mounting bracket is disposed around the periphery of the flywheel, a protruding shaft is disposed on the mounting bracket, and a shaft hole is disposed at one end of the magnetic attraction component and into which the protruding shaft is rotatably inserted.

In some embodiments, the mounting frame is provided with a limiting ring, the limiting ring is provided with a limiting hole for the driving shaft to pass through and a limiting groove communicated with the limiting hole, the periphery of the driving shaft is provided with a limiting protrusion, and the limiting protrusion is inserted into the limiting groove.

In some embodiments, the magnetic attraction assembly includes a bracket located at the periphery of the flywheel and a magnetic member installed at one side of the bracket close to the flywheel and spaced from the flywheel, the bracket is connected with the driving mechanism, and the magnetic member is in magnetic attraction fit with the flywheel.

In some embodiments, the pull-force adjuster further comprises a first detection switch and a second detection switch, wherein the first detection switch and the second detection switch correspond to the maximum gear and the minimum gear of the pull-force adjuster respectively, the first detection switch and the second detection switch are arranged at intervals and oppositely, the first detection switch is located on one side, close to the flywheel, of the push block, and the second detection switch is located on one side, far away from the flywheel, of the push block.

The utility model also provides a pulling force body-building device, including waistband, stay cord, bracelet, foot ring and as above the tension adjuster, the shell install in the outside of waistband, the one end of stay cord with admission machine connects, the other end stretches out the outside of shell and with the bracelet is connected, the foot ring with stay cord swing joint.

The utility model provides a tension regulator, the cooperation is inhaled to magnetism subassembly and flywheel magnetism, consequently magnetism is inhaled the subassembly and can be produced the appeal to the flywheel, when the interval between magnetism subassembly and the flywheel is inhaled produces the change, magnetism is inhaled the subassembly and also can change thereupon the appeal of flywheel, the required pulling force of pulling admission mechanism and flywheel also can change, therefore, inhale the subassembly orientation when actuating mechanism drive magnetism perhaps deviates from the flywheel direction motion, magnetism is inhaled the subassembly and will be increased or reduce the appeal of flywheel, thereby play the effect of adjustment pulling force size, realize that pulling force size can be adjusted according to user's actual conditions, with the demand that satisfies the user of different strength, convenience of customers uses, and tension regulator is small, reduce the whole volume of pulling force body-building device, convenience of customers hand-carries.

Drawings

Fig. 1 is a schematic structural view of a tension body-building device according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of the construction of the tension regulator shown in FIG. 1;

FIG. 3 is an exploded schematic view of the tension regulator shown in FIG. 2;

FIG. 4 is a schematic cross-sectional view of the tension regulator shown in FIG. 2;

FIG. 5 is a schematic cross-sectional view of another cross-section of the tension regulator shown in FIG. 2;

FIG. 6 is a partially exploded view of the driving mechanism, the magnetic attraction assembly, and the flywheel shown in FIG. 2;

FIG. 7 is a partially exploded view of the mounting bracket, the magnetic attraction assembly, the push block, and the drive shaft shown in FIG. 2;

fig. 8 is a partially enlarged schematic view of a portion a of fig. 4.

In the figure: 100. a tension fitness device; 1. a tension adjuster; 2. a waistband; 3. pulling a rope; 4. a bracelet; 5. A foot ring; 6. a wiring hole; 7. a pulley; 10. a housing; 20. a take-up mechanism; 11. a mounting frame; 12. a first housing; 13. a second housing; 21. a take-up pulley; 22. coiling a wire; 211. a wire slot; 212. an accommodating cavity; 23. a wire cover; 30. a flywheel; 40. a magnetic component; 121. a convex column; 31. an extension portion; 213. a housing hole; 24. a one-way bearing; 50. a drive mechanism; 51. a motor; 52. a drive shaft; 53. a push block; 54. A connecting member; 531. a threaded hole; 111. a protruding shaft; 401. a shaft hole; 402. a containing groove; 403. a waist-shaped hole; 41. a support; 42. a magnetic member; 43. a support plate; 112. a limiting ring; 113. a limiting hole; 114. a limiting groove; 521. a limiting bulge; 115. a limiting block; 60. a first detection switch; 61. a second detection switch; 70. a circuit board; 80. a tension sensor; 90. a magnet; 14. a display screen; 15. a gear switching key.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

It should be noted that all directional indicators (such as upper, lower, left, right, front, back, inner, outer, top, bottom … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components in a specific posture (as shown in the figure), and if the specific posture is changed, the directional indicator is changed accordingly.

It will also be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Referring to fig. 1 to 8, an embodiment of the present invention provides a tension body-building device 100, including a tension adjuster 1, a belt 2, a pull rope 3, a bracelet 4 and a foot ring 5, wherein the belt 2 is used for being fixed on the waist of a user, the tension adjuster 1 is installed on the outer side of the belt 2, and the tension adjuster 1 is provided with a wire-passing hole 6, one end of the pull rope 3 extends into the tension adjuster 1 from the wire-passing hole 6 and is connected with the tension adjuster 1, the other end extends out from the wire-passing hole 6 and is connected with the bracelet 4, and the foot ring 5 is movably connected with the pull rope 3. In the exercise process, the user can fix waistband 2 on the waist, and bracelet 4 covers are on hand, and 5 covers of foot ring are on the foot, make the user can temper hand muscle and foot muscle simultaneously, also convenience of customers changes various exercise postures simultaneously, and convenience of customers uses.

The pulley 7 is installed in the outside of foot ring 5, and stay cord 3 is around locating pulley 7, realizes the swing joint of stay cord 3 and foot ring 5, makes stay cord 3 can move relative to foot ring 5. The pulley 7 can reduce friction and reduce the wear rate of the pull rope 3, thereby prolonging the service life of the pull rope 3.

In the illustrated embodiment, two opposite sides of the waist belt 2 are respectively provided with a tension adjuster 1, and the two tension adjusters 1 are respectively connected with a hand ring 4 and a foot ring 5 through a pull rope 3 to simultaneously exercise both hands and feet of the user.

The tension regulator 1 comprises a shell 10 and a take-up mechanism 20, wherein the take-up mechanism 20 is rotatably installed inside the shell 10, a wiring hole 6 is formed in the shell 10, and one end of a pull rope 3 penetrates through the wiring hole 6 to extend into the shell 10 and is connected with the take-up mechanism 20. When the user pulls the pull rope 3 outward, the pull rope 3 drives the take-up mechanism 20 to rotate.

The housing 10 includes a casing and a mounting bracket 11 fixed inside the casing, and the take-up mechanism 20 is rotatably connected with the casing. The housing comprises a first housing 12 and a second housing 13, when the first housing 12 covers the second housing 13, an accommodating space is formed by enclosing, and the mounting frame 11 is accommodated in the accommodating space.

The specific shape of the housing 10 is not limiting, such as circular, oval, square, etc., and in the illustrated embodiment, the housing 10 is substantially circular.

The take-up mechanism 20 comprises a take-up pulley 21 and a take-up coil spring 22, the take-up pulley 21 is rotatably connected with the housing, a wire slot 211 is formed in the periphery of the take-up pulley 21, and one end of the pull rope 3 is fixedly connected with the take-up pulley 21 and is partially wound and accommodated in the wire slot 211. One side of the take-up pulley 21 is provided with an accommodating cavity 212, the take-up coil spring 22 is accommodated in the accommodating cavity 212, one end of the take-up coil spring 22 is fixedly connected with the shell, and the other end of the take-up coil spring 22 is fixedly connected with the take-up pulley 21. When the user outwards pulled stay cord 3, stay cord 3 can drive take-up pulley 21 rotatory, makes receipts line coil spring 22 shrink when take-up pulley 21 is rotatory and wind up, when the user no longer applys the pulling force to stay cord 3, receives line coil spring 22 and resumes to the original state under self effect to drive take-up pulley 21 reverse rotation, in order to withdraw stay cord 3 that is pulled out, make it twine again and accomodate in the wire casing 211 of take-up pulley 21.

The specific connection mode between the take-up coil spring 22 and the housing and the take-up pulley 21 is not limited, and hooks may be provided at the inner end and the outer end of the take-up coil spring 22, and hooked on the housing and the take-up pulley 21 by using the hooks, or connected by fixing members such as screws or glue.

The wire take-up mechanism 20 further includes a wire cover 23, and the wire cover 23 is disposed at the opening of the receiving cavity 212 to prevent the wire take-up coil spring 22 from falling out of the receiving cavity 212.

The tension regulator 1 further comprises a flywheel 30 and magnetic attraction components 40, wherein the flywheel 30 is mounted on the wire rewinding mechanism 20 and can rotate along with the wire rewinding mechanism 20, and the magnetic attraction components 40 are arranged on the periphery of the flywheel 30 at intervals and are in magnetic attraction fit with the flywheel 30. The flywheel 30 and the magnetic attraction component 40 are in magnetic attraction fit, that is, the flywheel 30 and the magnetic attraction component 40 attract each other, so that the magnetic attraction component 40 can generate attraction force on the flywheel 30, when a user pulls the pull rope 3 outwards, the attraction force on the flywheel 30 by the magnetic attraction component 40 needs to be overcome, the larger the distance between the magnetic attraction component 40 and the flywheel 30 is, the weaker the attraction force on the flywheel 30 by the magnetic attraction component 40 is, and the smaller the pulling force required by the user for pulling the pull rope 3 outwards is. Utilize magnetism to inhale subassembly 40 and attract flywheel 30 and form the pulling resistance for magnetism is inhaled subassembly 40 and is not needed to contact with flywheel 30, compares the mode that the friction formed the resistance, can avoid the noise that produces during the friction and the problem that the friction lost original effect after a period, has prolonged the life of tension regulator 1.

It is understood that the magnetic attraction of the flywheel 30 and the magnetic attraction assembly 40 can mean that both are magnetic and thus attract each other, or that one is magnetic and the other is a metal capable of being attracted by the magnetic element 42. In the present application, the magnetic attraction assembly 40 has magnetism, and the flywheel 30 is a metal flywheel 30.

The first casing 12 of the housing 10 is provided with a convex pillar 121, the flywheel 30 is provided with an extension portion 31 extending toward the first casing 12, and the extension portion 31 is annular and rotatably sleeved on the outer periphery of the convex pillar 121. The take-up pulley 21 is provided with a receiving hole 213, the extension portion 31 is inserted into the receiving hole 213, and a one-way bearing 24 is provided between the outer circumference of the extension portion 31 and the inner wall of the receiving hole 213. The one-way bearing 24 is free to rotate in one direction and is locked in the other direction, so that the flywheel 30 can rotate along with the take-up mechanism 20 in one direction. When a user pulls the pull rope 3 outwards, the one-way bearing 24 is locked and can not rotate, so that the take-up pulley 21 and the flywheel 30 are fixed together, the take-up pulley 21 and the flywheel 30 can rotate together, when the user does not apply pulling force to the pull rope 3 any more, the take-up coil spring 22 restores to an original state under the self action and drives the take-up pulley 21 to rotate in the reverse direction to withdraw the pulled pull rope 3, the one-way bearing 24 can rotate freely in the direction of the reverse rotation of the take-up pulley 21, the fixing effect of the take-up pulley 21 and the flywheel 30 is released, the take-up pulley 21 can rotate relative to the flywheel 30, the flywheel 30 basically keeps static in the reverse rotation process of the take-up pulley 21, and the phenomenon that the attraction force between the magnetic attraction component 40 and the flywheel 30 influences the reverse rotation of the take-up pulley 21 is avoided.

In the illustrated embodiment, the tension adjuster 1 further includes a drive mechanism 50, the drive mechanism 50 being coupled to the magnetically attractive assembly 40 to drive the magnetically attractive assembly 40 toward or away from the flywheel 30. The driving mechanism 50 drives the magnetically attractive assembly 40 to move towards or away from the flywheel 30, and may be a portion of the magnetically attractive assembly 40 moving towards or away from the flywheel 30 or a portion of the magnetically attractive assembly 40 moving towards or away from the flywheel 30.

When the magnetic attraction assembly 40 moves towards the flywheel 30, the distance between at least part of the magnetic attraction assembly 40 and the flywheel 30 is reduced, so that the attraction force of the magnetic attraction assembly 40 on the flywheel 30 is increased, and when the magnetic attraction assembly 40 moves away from the flywheel 30, namely moves towards the direction far away from the flywheel 30, the distance between at least part of the magnetic attraction assembly 40 and the flywheel 30 is increased, so that the attraction force of the magnetic attraction assembly 40 on the flywheel 30 is reduced. Inhale subassembly 40 and move relative flywheel 30 through setting up actuating mechanism 50 drive magnetism, inhale the size of the appeal between subassembly 40 and the flywheel 30 with the adjustment, thereby play the effect of the required pulling force size of adjustment pulling stay cord 3, realize that tensile size can be adjusted according to user's actual conditions, with the user's that satisfies different strength demand, convenience of customers uses, pull force adjuster 1 is small moreover, the whole volume of pulling force body-building device 100 has been reduced, convenience of customers hand-carries.

The driving mechanism 50 comprises a motor 51, a driving part and a transmission part, wherein the motor 51 is provided with a motor 51 shaft, the driving part is fixed relative to the motor 51 shaft and can rotate along with the motor 51 shaft, the transmission part is in transmission connection with the driving part, and the magnetic attraction component 40 is connected with the transmission part. The motor 51 drives the transmission member to move towards or away from the flywheel 30 through the driving member, and the transmission member drives the magnetic attraction assembly 40 to move towards or away from the flywheel 30, so as to adjust the distance between the magnetic attraction assembly 40 and the flywheel 30.

In the illustrated embodiment, the driving member is a driving shaft 52, the transmission member is a pushing block 53, the driving shaft 52 and the pushing block 53 are both located on the outer periphery of the flywheel 30, and the driving shaft 52 extends toward the flywheel 30. The periphery of the driving piece is provided with external threads, the pushing block 53 is correspondingly provided with a threaded hole 531, and one end of the driving shaft 52 far away from the shaft of the motor 51 is inserted into the threaded hole 531, so that the driving shaft 52 is in threaded fit with the pushing block 53. The motor 51 rotates to drive the driving shaft 52 to rotate together, but the pushing block 53 cannot rotate together with the driving shaft 52 under the limitation of the magnetic attraction assembly 40, so that the pushing block 53 moves linearly along the axial direction of the driving shaft 52 to move towards or away from the flywheel 30, thereby pushing the magnetic attraction assembly 40 to move towards or away from the flywheel 30.

The engagement between the driving member and the transmission member is not limited to screw engagement, as long as the rotational output of the motor 51 can be converted into linear motion, for example, the driving member may be a gear fixedly sleeved on the shaft of the motor 51, and the transmission member may be a rack engaged with the gear, and when the motor 51 drives the gear to rotate, the rack will perform linear motion under the action of the gear.

In the illustrated embodiment, magnetically attractive assembly 40 is substantially arcuate and extends circumferentially along flywheel 30. One end of the magnetic attraction component 40 is rotatably connected with the shell 10, and the other end is connected with the push block 53. For example, the mounting bracket 11 of the housing 10 is provided with a protruding shaft 111, one end of the magnetic attraction assembly 40 is provided with a shaft hole 401, and the protruding shaft 111 is rotatably inserted into the shaft hole 401, so that one end of the magnetic attraction assembly 40 is rotatably connected with the housing 10. When the pushing block 53 moves inward or outward (i.e., moves toward or away from the flywheel 30), the magnetic attraction assembly 40 rotates around the protruding shaft 111 as a whole, and the end of the magnetic attraction assembly 40 connected to the pushing block 53 moves toward or away from the flywheel 30.

One end of the magnetic attraction component 40 close to the push block 53 is provided with a receiving groove 402 and a waist-shaped hole 403, the waist-shaped hole 403 is communicated with the receiving groove 402, one end of the push block 53 is inserted into the receiving groove 402, and a connecting piece 54 movably penetrates through the waist-shaped hole 403 and is connected with the push block 53. The length direction of the slotted hole 403 is arranged at an angle with the axial direction of the driving shaft 52, that is, the length direction of the slotted hole 403 is not parallel to the moving direction of the push block 53. The pushing block 53 drives the connecting member 54 to move together in the process of moving towards or away from the flywheel 30, but since the length direction of the slotted hole 403 is not parallel to the moving direction of the pushing block 53, the connecting member 54 is blocked by the magnetic attraction assembly 40 in the process of moving, and finally the connecting member 54 slides along the track of the slotted hole 403, i.e. along the extending direction of the slotted hole 403, and pushes the magnetic attraction assembly 40 to move towards or away from the flywheel 30.

In the illustrated embodiment, the magnetic attraction assembly 40 includes a bracket 41 and a magnetic member 42, the bracket 41 is disposed at an interval on the outer periphery of the flywheel 30 and extends along the circumferential direction of the flywheel 30, the magnetic member 42 is mounted on one side of the bracket 41 close to the flywheel 30 and spaced from the flywheel 30, and the magnetic member 42 has magnetism and is magnetically engaged with the flywheel 30. The shaft hole 401 is disposed at one end of the bracket 41, and the receiving groove 402 and the waist-shaped hole 403 are disposed at the other end of the bracket 41, so that one end of the bracket 41 is rotatably connected to the mounting bracket 11, and the other end is connected to the push block 53 through the connecting member 54.

The specific number of the magnetic members 42 is not limited, and the larger the number of the magnetic members 42 is, the stronger the attractive force of the magnetic attraction assembly 40 to the flywheel 30 is, in the case that the spacing between the magnetic members 42 and the flywheel 30 is the same. In the illustrated embodiment, the magnetic member 42 is provided in plural, and the plural magnetic members 42 are arranged in series along the circumferential direction of the flywheel 30.

The bracket 41 is provided with a support plate 43 at a side thereof adjacent to the mounting bracket 11, and the support plate 43 extends toward the flywheel 30 and supports the magnetic member 42.

In the illustrated embodiment, the mounting frame 11 is provided with a limiting ring 112, and the limiting ring 112 is located between the motor 51 and the push block 53. The limit ring 112 is provided with a limit hole 113 and a limit groove 114, the limit hole 113 penetrates through two opposite sides of the limit ring 112 for the driving shaft 52 to pass through, and the limit groove 114 is formed by outwardly sinking from the inner wall of the limit hole 113 so as to be communicated with the limit hole 113. The periphery of the driving shaft 52 is provided with a ring-shaped limiting protrusion 521, one end of the driving shaft 52 far away from the motor 51 passes through the limiting hole 113 and then is connected with the push block 53, and the limiting protrusion 521 is inserted into the limiting groove 114, so that the driving shaft 52 is prevented from moving in the axial direction or the radial direction, and a limiting effect is achieved.

The limiting ring 112 comprises two limiting blocks 115 which are detachably connected together, each limiting block 115 is provided with a semicircular hole body and a groove body, when the two limiting blocks 115 are connected together, the two semicircular hole bodies are matched to form a limiting hole 113, and the two semicircular groove bodies are matched to form a limiting groove 114. The limiting ring 112 is provided with two detachable limiting blocks 115, so that the limiting protrusions 521 can be inserted into the limiting grooves 114 conveniently.

In the illustrated embodiment, the tension adjuster 1 further includes a first detection switch 60 and a second detection switch 61, the first detection switch 60 and the second detection switch 61 are both mounted on the mounting bracket 11, the tension adjuster 1 has different tension gears, the pull rope 3 can be pulled out based on different tension forces in different tension gears, the first detection switch 60 corresponds to the largest gear among the tension gears, and the second detection switch 61 corresponds to the smallest gear among the tension gears.

The housing 10 is further provided with a circuit board 70 inside, the circuit board 70 is mounted on the mounting bracket 11, and the motor 51, the first detection switch 60 and the second detection switch 61 are electrically connected to the circuit board 70.

The first detection switch 60 and the second detection switch 61 are oppositely arranged at an interval, the push block 53 is positioned between the first detection switch 60 and the second detection switch 61, the first detection switch 60 is positioned on one side of the push block 53 close to the flywheel 30, and the second detection switch 61 is positioned on one side of the push block 53 far away from the flywheel 30. When the push block 53 contacts the first detection switch 60, the attraction force between the magnetic attraction assembly 40 and the flywheel 30 is the largest, and the pull regulator 1 is in the maximum gear; when the push block 53 contacts the second detection switch 61, the attractive force between the magnetic attraction assembly 40 and the flywheel 30 is the minimum, and the pull regulator 1 is in the minimum shift position.

Because the motor 51 may have a step loss problem during the working process, after the motor 51 completes a control command corresponding to the maximum gear or the minimum gear, the push block 53 cannot be driven to move to the preset position, that is, the push block 53 is not in contact with the first detection switch 60 or the second detection switch 61, at this time, the first detection switch 60 or the second detection switch 61 sends a command to the circuit board 70, so that the motor 51 continues to rotate, the push block 53 is driven to continue to move until the push block 53 is in contact with the first detection switch 60 or the second detection switch 61, and it is ensured that the pull regulator 1 can be accurately adjusted to the maximum gear or the minimum gear.

It is to be understood that the first detection switch 60 and the second detection switch 61 may be proximity sensors or tact switches.

The tension adjuster 1 further includes a tension sensor 80 connected to the circuit board 70, and the tension sensor 80 can detect a tension value applied to the pull cord 3 when the pull cord is pulled out. When the pulling force value detected by the pulling force sensor 80 is not matched with the pulling force corresponding to the current gear of the pulling force adjuster 1, the pulling force sensor 80 can control the motor 51 to rotate, and the gear of the pulling force adjuster 1 is adjusted to the gear matched with the detected pulling force value.

The take-up pulley 21 is provided with a plurality of magnets 90 distributed along the circumferential direction of the take-up pulley 21, and the circuit board 70 is provided with a hall switch. When the take-up pulley 21 rotates, the magnet 90 rotates along with the take-up pulley 21, and the hall switch can receive a displacement signal generated by the rotation of the magnet 90, so that calories consumed by a user in the movement process can be measured.

The display screen 14 connected with the circuit board 70 is arranged on the shell 10, the display screen 14 can display the calorie measured by the cooperation of the hall switch and the magnet 90, the user can visually know the calorie consumed in the exercise process, the interactivity is enhanced, and the exercise desire of the user is improved.

The housing 10 is further provided with a gear switching key 15 connected with the circuit board 70, and a user can adjust the gear of the tension adjuster 1 through the gear switching key, so that the use by the user is facilitated.

The utility model discloses a tension regulator and pulling force adjusting device, magnetism subassembly and flywheel magnetism are inhaled the cooperation, therefore magnetism is inhaled the subassembly and can be produced the appeal to the flywheel, when the interval between magnetism subassembly and the flywheel is inhaled produces the change, magnetism is inhaled the subassembly and also can change thereupon the appeal of flywheel, the required pulling force of pulling admission machine and flywheel also can change, therefore, inhale the subassembly orientation or deviate from the flywheel direction motion when actuating mechanism drive magnetism, magnetism is inhaled the subassembly and will increase or reduce the appeal of flywheel, thereby play the effect of adjustment pulling force size, realize that pulling force size can be adjusted according to user's actual conditions, with the user's demand that satisfies different strength, convenience of customers uses, and the tension regulator is small, reduce the whole volume of pulling force body-building device, convenience of customers hand-carries.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims (10)

1. The utility model provides a tension regulator, its characterized in that, includes shell, admission machine, flywheel, magnetism inhale subassembly and actuating mechanism, admission machine rotate install in the shell, the flywheel install in admission machine can follow admission machine rotates together, magnetism inhale the subassembly interval and locate the periphery of flywheel and with the cooperation is inhaled to the flywheel magnetism, actuating mechanism with magnetism inhale the subassembly and be connected in order to drive magnetism inhale the subassembly orientation or deviate from the flywheel motion.

2. The tension regulator according to claim 1, wherein the driving mechanism includes a motor, a driving member, and a transmission member, the driving member is fixed relative to a motor shaft of the motor and can rotate along with the motor shaft, the transmission member is in transmission connection with the driving member, the magnetic attraction component is connected with the transmission member, the motor drives the transmission member to move towards or away from the flywheel through the driving member, and the transmission member drives the magnetic attraction component to move.

3. The tension regulator according to claim 2, wherein the driving member is a driving shaft, the driving member is a pushing block, the driving shaft is externally threaded on the outer periphery thereof, the pushing block is correspondingly provided with a threaded hole, and one end of the driving shaft is inserted into the threaded hole and is in threaded fit with the pushing block.

4. The tension regulator according to claim 3, wherein the magnetic attraction component is arc-shaped and extends along the circumferential direction of the flywheel, and one end of the magnetic attraction component is rotatably connected with the housing and the other end thereof is connected with the push block.

5. The tension regulator according to claim 4, wherein the magnetic attraction component has a receiving groove and a slot communicating with the receiving groove at an end thereof adjacent to the pushing block, one end of the pushing block is inserted into the receiving groove, and a connecting member movably passes through the slot and is connected to the pushing block.

6. The tension regulator according to claim 4, wherein the casing comprises a casing body and a mounting frame fixed in the casing body, the take-up mechanism is rotatably mounted in the casing body, the driving mechanism is mounted in the mounting frame, the mounting frame is annularly arranged on the periphery of the flywheel, a protruding shaft is arranged on the mounting frame, one end of the magnetic attraction component is provided with a shaft hole, and the protruding shaft is rotatably inserted into the shaft hole.

7. The tension regulator according to claim 6, wherein the mounting bracket is provided with a limiting ring, the limiting ring is provided with a limiting hole for the driving shaft to pass through and a limiting groove communicated with the limiting hole, the driving shaft is provided with a limiting protrusion at the periphery thereof, and the limiting protrusion is inserted into the limiting groove.

8. The tension regulator according to claim 1, wherein the magnetic attraction assembly comprises a bracket located at the periphery of the flywheel and a magnetic member mounted on one side of the bracket close to the flywheel and spaced from the flywheel, the bracket is connected with the driving mechanism, and the magnetic member is in magnetic attraction engagement with the flywheel.

9. The pull regulator of claim 3, further comprising a first detection switch and a second detection switch corresponding to a maximum gear and a minimum gear of the pull regulator, respectively, wherein the first detection switch and the second detection switch are oppositely arranged at intervals, the first detection switch is located on one side of the push block close to the flywheel, and the second detection switch is located on one side of the push block far away from the flywheel.

10. A tension fitness device, comprising a belt, a pull rope, a bracelet, a foot ring and a tension adjuster according to any one of claims 1 to 9, wherein the housing is mounted on the outer side of the belt, one end of the pull rope is connected with the take-up mechanism, the other end of the pull rope extends out of the housing and is connected with the bracelet, and the foot ring is movably connected with the pull rope.

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