TWM616608U - Resistance system of rowing machine and deceleration device for resistance system - Google Patents

Abstract

A deceleration device for a rowing machine. The rowing machine has a main frame. The deceleration device includes a base and a pusher assembly. The base is arranged on the main frame. The base has an accommodating space and a long In the axial direction, the pushing component has a stopper and an elastic element arranged in the accommodating space of the base, and is arranged in the accommodating space with restricted rotation. One end of the stopper can be located on the base Long axial displacement, and against the elastic member, when receiving an external force, the braking member is elastically pushed up by the elastic member so that the other end of the braking member abuts against the rowing machine A turn of The side of the plate.

Description

Resistance system of rowing machine and deceleration device for resistance system

This creation is related to the resistance system of the rowing machine, especially a resistance system with a deceleration device.

Rowing machine is a kind of sports equipment that simulates rowing action, which can effectively exercise the muscle strength and coordination of the whole body, especially the arms, legs and abdomen. In order to increase the difficulty of exercise, rowing machines on the market can have one or two resistance mechanisms, such as wind resistance, water resistance, magnetic resistance, friction and so on.

The rowing machine includes a main frame, a resistance mechanism, a movement mechanism, a rotating shaft and a flywheel, wherein the rotating shaft is rotatably arranged on the main frame, the flywheel is rotatably arranged on the rotating shaft, and the resistance mechanism is arranged on the On one side of the flywheel, the movement mechanism is installed on the main frame to allow the user to simulate rowing. By adjusting the resistance mechanism to provide resistance to the rotation of the flywheel, the movement mechanism provides users with different strengths train.

When the user applies power to the motion mechanism, the flywheel is linked to rotate rapidly. When the user releases the power applied to the motion mechanism, the flywheel will continue to rotate due to inertia. Therefore, a deceleration device is required to slow down the flywheel. The inertial rotation of the flywheel, the deceleration device is tightly abutted against the side of the flywheel, thereby limiting the inertial rotation of the flywheel. However, in actual operation, the rapid rotation of the flywheel will link the deceleration device to make it rotate synchronously, and then Noise is generated, so there is still room for improvement.

The main purpose of this creation is to provide a resistance system for the rowing machine and a deceleration device for the resistance system, which can avoid the noise problem, and can also reduce the tilt and deviation of the flywheel during the rotation.

In order to achieve the above-mentioned purpose, the resistance system of the rowing machine and the deceleration device for the resistance system provided by this creation. The resistance system of the rowing machine has a main frame, a rotating device and a resistance device, and the rotating device is arranged in the main The resistance device is adjacent to the rotation device. The resistance device has a rotation shaft, a turntable and a resistance source. The source is adjacent to the turntable and provides resistance to the turntable. The deceleration device is vertically adjacent to the turntable. The deceleration device includes a base and a pushing component. An accommodating space and a long axis, the pushing assembly has a stopper and an elastic member arranged in the accommodating space of the base, and the pushing assembly rotates around the long axis in the direction of rotation Restricted, one end of the braking member abuts against the elastic member and can be displaced in the long axial direction of the base by the elastic force of the elastic member, and the other end of the braking member abuts against the side surface of the turntable.

Preferably, the pushing assembly further includes a mandrel, which is arranged in the accommodating space of the base with restricted rotation and can be displaced in the longitudinal axis of the base, and the elastic member penetrates the mandrel.

Preferably, the stopper includes a connecting portion and an abutting portion, one side of the connecting portion is connected to the abutting portion, and the other side of the connecting portion is rotatably arranged on the spindle and abuts against the elastic force. The abutting part presses against the side surface of the turntable of the rowing machine.

Preferably, the connecting portion is integrally connected to the abutting portion.

Preferably, the connecting portion is hollow and has an inner ring surface, the inner ring surface is provided with a convex ring, the mandrel is provided with a concave ring corresponding to the convex ring, and the convex ring is embedded in the concave ring .

Preferably, the deceleration device further includes a limit unit, which is provided between the base and the stopper of the pusher assembly to fix the relative position between the base and the stopper so that the pusher The component is non-rotatably penetrated in the accommodating space.

Preferably, the limiting unit includes a limiting rib and a limiting groove, the limiting rib is provided on the outer periphery of the brake, the limiting groove is provided in the accommodating space of the base, and the limiting groove The configuration of the positioning rib corresponds to the limiting groove.

The detailed structure, characteristics, assembly or use of the fitness equipment provided by this creation will be described in the detailed description of the subsequent implementation. However, those with ordinary knowledge in the field of creation should be able to understand that these detailed descriptions and specific embodiments listed in the implementation of this creation are only used to illustrate the creation, and are not intended to limit the scope of patent applications for this creation.

Please refer to FIG. 1. The rowing machine 1 of the preferred embodiment of the present creation includes a main frame 10, two deceleration devices 20, a resistance device 30, and a rotating unit 40 in structure. The rotating unit 40 includes a plurality of guide wheels and The pull rope is connected to the resistance device 30. As for how to install and operate the rotating unit 40, it is a conventional technology and not the focus of this case, so it will not be repeated here.

The resistance device 30 of the preferred embodiment is arranged on the main frame 10, and a magnetoresistance unit 31 and a wind resistance unit 35 are taken as an example. The magnetoresistive unit 31 includes a rotating shaft 32, two rotating disks 33, and a magnetic component 34. The approximately middle section of the rotating shaft 32 is rotatably disposed on the main frame 10, and the rotating disks 33 are respectively disposed on both sides of the rotating shaft 32, that is, on the main frame. On the left and right sides of 10, the magnetic components 34 are exemplified by a magnetic resistor 341 and a magnetic ring 342. The magnetic resistor 341 is arranged between the two rotating disks 33, and the magnetic ring 342 is arranged on one of the magnetic resistors 341. On the turntable 33, the magnetoresistor 341 attracts the magnetic ring 342 with magnetic force, thereby forming a magnetic resistance to the turntable 33.

The wind resistance unit 35 has two fan wheels 36 which are respectively arranged on the rotating shaft 32 and located on the outer side of the two turntables 33. Each fan wheel 36 includes a wheel body 361 and a plurality of wind resistance wings 362, which are arranged on the wheel body 361 at annular intervals. In actual operation, the coaxial turntable 33 and the fan wheel 36 rotate synchronously. In addition to the resistance generated by the magnetic assembly 34, on the other hand, the wind resistance wing 362 of the fan wheel 36 that rotates in the wind agitates the airflow to form resistance when rotating, so that the user needs The rotating unit 40 can be pulled only when a greater external force is applied.

Referring to FIG. 2, the deceleration device 20 of this preferred embodiment is arranged on the main frame 10 between the two turntables 33, and one of the deceleration devices 20 is located on the upper side of the main frame 10 and presses against the side surface of one of the turntables 33 , The other deceleration device 20 is located on the lower side of the main frame 10 and presses against the side of the other turntable 33 to control the speed of rotation of the turntable 33 after the external force is removed. The deceleration device 20 has a base 21 and a pusher. The abutment component 23 and a limiting unit 28.

As shown in FIG. 3, the base 21 includes an accommodating space 211, a first opening 212 communicating with the accommodating space 211, and a long axis L. The pushing component 23 is along the direction of the long axis L, starting from the first The opening 212 is arranged in the accommodating space 211 in a restricted rotation manner. In detail, the pushing assembly 23 further includes a mandrel 24, a brake member 25, and an elastic member 26, wherein the mandrel 24 is disposed in the accommodating space 211 In the space 211, the elastic member 26 passes through the mandrel 24 and is set in the accommodating space 211, a nut 27 is provided on one side of the mandrel 24, and the brake member 25 is set on the mandrel 24 in a restricted rotation manner. On the other side, the elastic member 26 is located between the nut 27 and the braking member 25, and the nut 27 fixes the elastic member 26 in the accommodating space 211.

In this embodiment, the brake member 25 includes a connecting portion 251 and an abutting portion 252, which are fixed to each other by injection molding as an example. The connecting portion 251 has an inner ring surface 253 and a ring disposed on the inner ring surface 253. The outer ring surface 254 of the outer edge, the inner ring surface 253 communicate with a second opening 255, the connecting portion 251 is fixedly connected with the abutting portion 252 at the opposite end of the second opening 255, and the connecting portion 251 penetrates along the longitudinal axis L It is arranged on the mandrel 24 until its second opening 255 abuts against the elastic member 26, and the abutment portion 252 is pressed against the turntable 33 at one end of the recessed accommodating groove 256 for arranging a contact block 27 such as wool felt, rubber, cowhide Etc., used to abut against the side of the turntable 33.

Please also refer to Figure 4A and Figure 4B. In this preferred embodiment, the limiting unit 28 of the deceleration device 20 can effectively avoid the problem of noise generated by the braking member 25 rotating in the base 21 during the actual operation of the deceleration device 20. In detail, the limiting unit 28 takes a plurality of connecting limiting ribs 281 and a plurality of limiting grooves 282 as an example. The outer ring surface 254 of the connecting portion 251 of the brake member 25 is protrudingly provided with the connecting limiting ribs 281, which are elongated and arranged at intervals. The surface of the accommodating space 211 of the base 21 is recessed with the limiting grooves 282 , Corresponding to the limiting rib 281, the size and configuration of the limiting groove 282 are complementary to the connecting limiting rib 281, and can be clamped with each other.

As shown in FIG. 5, the radial cross-sectional configuration of the base 21 is complementary to the radial cross-sectional configuration of the connecting portion 251, so that the stopper 25 can be connected to the base 21 through the limiting rib 281 of the connecting portion 251. The limit grooves 282 are clamped with each other, thereby restricting the rotation of the brake 25 in the accommodating space 211. When power is applied to the rotating unit 40, the turntable 33 is in a high-speed rotation state, and will continue to the left or right relative to the rotating shaft 32 Tilt slightly. At this time, as shown in Figures 6A and 6B, the brake member 25 against the side of the turntable 33 is elastically pushed up by the elastic member 26 to move along the long axis L with the left and right tilt angle of the turntable 33 .

It should be noted that in order to increase the stability of the connection between the brake 25 and the base 21, and to limit the rotation of the spindle 24 so that it can only be displaced in the direction of the long axis L, the spindle 24 of this embodiment A concave ring 241 is concavely provided on the outer periphery. The inner ring surface 253 of the connecting portion 251 corresponds to the position of the concave ring 241 of the mandrel 24, and a corresponding convex ring 257 is convexly provided. When the brake 25 is clamped in the accommodation space 211 At this time, the convex ring 257 is clamped in the concave ring 241.

It can be seen from the above that when the user starts to pull the rotating unit 40 of the rowing machine 1, the resistance device 30 will be activated together. The rotating shaft 32 of the resistance device 30, the fan wheel 36 and the turntable 33 are in the process of synchronous rotation. The member 25 presses against the inner surface of the turntable 33 in a manner perpendicular to the turntable 33 through its abutment portion 252. The ideal state of the present preferred embodiment is that, with the limiting unit 28 between the brake 25 and the base 21, when the turntable 33 is rotating, it can prevent the turntable 33 from driving the brake 25 against its side to rotate synchronously. This prevents the brake 25 from rotating in the accommodating space 211 of the base 21 and generating noise. As shown in FIGS. 6A and 6B, the turntable 33 will tilt to one side when it rotates quickly. The elastic member 26 of the deceleration device 20 of the preferred embodiment will provide moderate pressure on the brake member 25 for pushing During the entire rotation of the turntable 33, the abutment assembly 23 can continuously abut against the side of the turntable 33 along the long axis L and provide resistance to the turntable 33, thereby effectively realizing the purpose of resistance adjustment of the deceleration device 20.

1: Rowing machine 10: Main frame 20: Deceleration device 21: Pedestal 211: accommodating space 212: The first opening 23: Push the component 24: Mandrel 241: Concave Ring 25: Brake parts 251: Connection 252: Abutment Department 253: inner ring surface 254: Outer Ring 255: second opening 256: Containment Slot 257: Convex Ring 26: Elastic parts 27: Contact block 28: limit unit 281: limit rib 282: limit slot 29: Nut L: Long axis 30: resistance device 31: Magnetoresistive unit 32: shaft 33: turntable 34: Magnetic components 341: Magnetoresistor 342: Magnetic Ring 35: Wind resistance unit 36: fan wheel 361: Wheel Center 362: Wind Resistance Wing 40: Rotating order

Figure 1 is a perspective view of a preferred embodiment of the creation, which mainly shows the position of the resistance device and the deceleration device of the rowing machine. Figure 2 is a front view of a preferred embodiment of the creative rowing machine. Figure 3 is a three-dimensional exploded view of the deceleration device of a preferred embodiment of the creative rowing machine. Fig. 4A is a partial three-dimensional view of the deceleration device of a preferred embodiment of the creative rowing machine, mainly showing the structure of the brake. Fig. 4B is a partial three-dimensional view of the deceleration device of a preferred embodiment of the creative rowing machine, which mainly shows the structure of the base. Fig. 5 is a sectional plan view of the deceleration device of a preferred embodiment of the creative rowing machine. Fig. 6A is a schematic side view of the deceleration device of a preferred embodiment of the creative rowing machine, which mainly shows the displacement direction of the pusher component when the turntable is tilted toward the deceleration device. Fig. 6B is a schematic side view of the deceleration device of a preferred embodiment of the creative rowing machine, which mainly shows the displacement direction of the pushing component when the turntable is tilted away from the deceleration device.

20: Deceleration device

21: Pedestal

211: accommodating space

212: The first opening

23: Push the component

24: Mandrel

241: Concave Ring

25: Brake parts

251: Connection

252: Abutment Department

256: Containment Slot

26: Elastic parts

27: Contact block

29: Nut

L: Long axis

Claims (8)

A deceleration device for a rowing machine. The rowing machine has a main frame. The deceleration device includes: A base set on the main frame, the base having an accommodating space and a long axis; and A pushing component is partially set in the accommodating space, the rotation direction of the pushing component is restricted around the long axis, and it has a stopper and a seat in the accommodating space of the base An elastic member, one end of the braking member abuts against the elastic member and can be displaced in the long axial direction of the base by the elastic force of the elastic member, and the other end of the braking member abuts against the side surface of a turntable of the rowing machine. The deceleration device for a rowing machine according to claim 1, wherein the pushing component further includes a spindle, which is arranged in the accommodating space of the base with restricted rotation and can be moved along the long axis of the base Displacement, the elastic member penetrates the mandrel. The deceleration device for a rowing machine according to claim 2, wherein the brake includes a connecting portion and an abutting portion, one side of the connecting portion is connected to the abutting portion, and the other side of the connecting portion rotates It is constrainedly arranged on the mandrel and abuts against the elastic member, and the abutting portion is pressed against the side surface of the turntable of the rowing machine. The deceleration device for a rowing machine according to claim 3, wherein the connecting part is integrally connected to the abutting part. The deceleration device for a rowing machine according to claim 3, wherein the connecting portion is hollow and has an inner ring surface, the inner ring surface is provided with a convex ring, and the mandrel is provided with a corresponding to the convex ring The concave ring, the convex ring is embedded in the concave ring. The deceleration device for a rowing machine according to claim 1, wherein the deceleration device further includes a limit unit, which is arranged between the base and the stopper of the pusher assembly to fix the base and the The relative position between the braking parts allows the pushing assembly to pass through the accommodating space with restricted rotation. The deceleration device for a rowing machine according to claim 6, wherein the limiting unit includes a limiting rib and a limiting groove, the limiting rib is provided on the outer periphery of the braking member, and the limiting groove is provided The accommodating space of the base, and the configuration of the limiting rib corresponds to the limiting groove. A resistance system of a rowing machine, including: The deceleration device as described in claim 1; A rotating device installed on the main frame of the rowing machine; and A resistance device adjacent to the rotation device, the resistance device having a rotation shaft, a turntable and a resistance source, wherein the rotation shaft is rotatably arranged on the main frame, the turntable is arranged on one side of the rotation shaft, and the resistance source It is adjacent to the turntable and provides resistance to the turntable, the deceleration device is vertically adjacent to the turntable, and one end of the deceleration device abuts against a side surface of the turntable with restricted rotation.

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