TWM467478U - Hybrid electric weight device - Google Patents

Description

Hybrid electric weight device

The present invention relates to a hybrid electric weight device, and more particularly to a device having a combination of a motor torque member, a spring member and an electric servo system to simulate a conventional weight piece for use in muscle strength exercise and fitness equipment.

Press, whether for entertainment, health, or for professional reasons such as sports competition, fitness has become a very important part of many people's lives, for example: Strength Trainer (Strength Trainer), which is popular in advanced countries in Europe and America. The iron block acts as a resistance device for the moving load to provide the user's required sports load to achieve the shaping function of the muscle; however, the iron block as the resistance device has many defects, including: the iron block has a large volume and the load is not easily adjusted. And the time consuming, the iron block moves up and down to generate great noise, the iron block is the heavy hammer type load can not set the motion curve to change the load, and when the user heart rate exceeds the safe range, the device can not automatically reduce the load immediately.

Moreover, since the spring is a simple and inexpensive kinetic energy storage and release component, it has been used for many years in the fitness device, but its disadvantage is that the elastic force is not fixed and is not easy to adjust, and cannot meet the requirement of rapid and continuous change of weight in motion, and The spring also lacks the smooth and smooth feel of the iron during exercise.

In recent years, many creators have revealed an automatic load device for motor-type fitness equipment to improve the loss of iron load and spring load, such as the creator's bulletin No. 230359, and others found in US Patent. No. 4,979,733 and 4,678,184 and the like. However, although the motor-type automatic load device can improve some of the above-mentioned missing states, the motor often exhibits a state of weakness and sluggishness during the recovery process after the application of force, but lacks the sense of speed of the iron block load; therefore, pure The motor-type automatic load device still can't satisfy the user's demand for feeling, and its power consumption wastes energy, which is the most unpleasant factor.

Due to the improvement of the quality of life, the fitness equipment is not required to interfere with the environment, and there is a high demand for user safety. In addition, the user's operational smoothness and smoothness are a new generation of fitness. The main appeal of the device. Therefore, how to apply the advantages of spring accumulation kinetic energy, combine it with motor torque to reduce energy consumption, reduce system hardware cost, and how to apply servo control to simulate the user's fitness needs, so that users can get the speed of motion and The smoothness of the operation is the goal of this creative research and development.

The reason is that the main purpose of this creation is to combine the kinetic energy accumulated by the motor torque and the spring as a load mechanism to reduce the energy consumption of the fitness equipment and reduce the system cost.

Another purpose of this creation is to apply servo control to provide an exercise device with a sense of speed and smooth operation.

In order to achieve the above objectives, the technical means adopted by the present invention comprises: a frame for mounting the components required for the device, including a seat thereon for the user to sit on to operate the device.

a load mechanism fixed on the frame body, comprising a main shaft, a motor torque member and a spring member, wherein the motor torque member and the spring member are connected in parallel a combination of the load force acting on the main shaft; the motor torque member further comprising a motor and a hollow gear box, the motor being composed of a DC or brushless motor, the hollow gear box and the motor spindle Connecting to transmit its torsion, and having a hollow axis, the spindle is threaded through the shaft and driven by the shaft; the spring member further includes a spring force arm, at least one tension spring, and a spring mount The two ends of the tension spring are respectively disposed on the spring force arm and the free end of the spring fixing seat, and the fixed end of the spring force arm is sleeved on the main shaft and twisted by the driving, the spring is fixed The fixed end of the seat is fixed on the frame; the other spring member of the device comprises a drive sleeve and at least one scroll spring, and the drive sleeve is sleeved on the spindle and twisted by the drive. The inner edge of the scroll spring is embedded in the slot of the drive bushing, and the outer edge end thereof is locked on the frame body; further, if the scroll spring is a complex array, the complex array scroll a partition between the springs .

a force applying mechanism is fixed on the main shaft, and has at least one set of connecting rods, load cells and grips, wherein the load cells further comprise a beam load element; the load force of the load mechanism is via the main shaft The link is transmitted to the lower end of the load cell, and the external force applied by the user is transmitted to the upper end of the load cell via the grip.

An acceleration processing circuit board having an acceleration sensor and a microprocessor is mounted on the load cell of the force applying mechanism, wherein the acceleration sensor is configured to detect an acceleration value of the grip end.

An electronic watch is disposed on the frame for the user to input the motion setting value.

a servo controller mounted on the frame and electrically connected to the acceleration Processing the circuit board, the load cell, the motor torque member and the electronic watch.

Thereby, when the user operates the urging mechanism, the load cell will feel the load load generated by the combination of the motor torque member and the spring member in the load mechanism, and the servo controller will continuously compare the load cell with The electronic watch and the difference value of the acceleration sensor, and the current value are corrected to drive the motor torque member, so that the user operates the force applying mechanism to feel a smooth and smooth fitness feeling.

10‧‧‧ ‧ body

11‧‧‧ Front Shelf

12‧‧‧ rear frame

13‧‧‧ stand

14‧‧‧ seats

20‧‧‧Loading mechanism

21‧‧‧ Spindle

211‧‧‧ shaft seat

212‧‧‧ bearing

22‧‧‧Motor Torque Components

221‧‧‧Motor

222‧‧‧Motor spindle

223‧‧‧fan

224‧‧‧ hollow gearbox

225‧‧‧ hollow shaft

23‧‧‧Spring components

231‧‧·Spring force arm

232‧‧‧ stretching spring

233‧‧ ‧ spring mount

234‧‧‧Drive bushings

235‧‧‧ slot

236‧‧‧ Scroll spring

237‧‧ ‧baffle

30‧‧‧Applied institutions

31‧‧‧ Connecting rod

32‧‧‧ load weight

33‧‧‧ Grip

34‧‧‧ Grip

40‧‧‧Acceleration Processing Board

41‧‧‧Acceleration sensor

42‧‧‧Microprocessor

50‧‧‧Electronic watch

60‧‧‧Servo Controller

Figure 1 is a combined perspective view of a possible embodiment of the present invention

Figure 2 is an external view of the feasible embodiment of the present invention.

Figure 3 is a perspective view of the motor torque member assembly of the present invention.

Figure 4 is an exploded perspective view of the force applying mechanism of the present invention.

Figure 5 is a combined perspective view of the first embodiment of the present creation

Figure 6 is a perspective view of the combination of the second embodiment of the present creation

Figure 7 is a schematic diagram of the electrical connection of the present creation

First, referring to FIG. 1 to FIG. 6 , a possible embodiment of the present invention includes: a frame 10 having a front frame 11 , a rear frame 12 , and a front frame 11 and the rear frame 12 . a stand 13 and a stand 14 is mounted on the stand 13; a load mechanism 20 is provided with a main shaft 21, and a motor torque member 22 and a spring member 23 individually mounted on the main shaft 21, The shaft 21 is provided with a bearing block 211 at both ends of the main shaft 21, and is fixed to the rear side of the front frame 11, respectively, and the bearing 212 is centrally mounted with a bearing 212, and Let the spindle 21 be in the The motor shaft torsion member 22 is pivoted; the motor torque member 22 includes a motor 221 and a hollow gear box 224. The motor 221 is composed of a DC motor or a brushless motor, and has a motor spindle 222 connected at one end thereof. There is a fan 223 for providing heat dissipation of the motor 221; the hollow gear box 224 is coupled to the motor spindle 222 to transmit its torque, and one side of the motor is coupled to the shaft seat 211, so that the motor torque member 22 is indirectly The hollow gear box 224 has a hollow shaft 225, and the main shaft 21 passes through the hollow shaft 225 and is driven by the hollow shaft 225 to transmit the torque of the motor 221 to the shaft 225. On the main shaft 21. In the first embodiment, the spring member 23 includes a spring force arm 231, at least one tension spring 232, and a spring fixing seat 233. The two ends of the tension spring 232 are respectively mounted on the spring force arm 231. And the free end of the spring fixing seat 233, and the fixed end of the spring force arm 231 is sleeved on the main shaft 21 and driven to rotate the main shaft 21, and the fixed end of the spring fixing seat 233 is fixed The front side of the rear frame 12 is. In the second embodiment, the spring member 23 includes a drive bushing 234 and a plurality of array scroll springs 236, and each set of scroll springs 236 is separated by a partition 237; the drive bushing The 234 is sleeved on the main shaft 21 and twisted by the driving. The inner edge of the scroll spring 236 is embedded in the slot 235 of the driving sleeve 234, and the outer edge end is locked on the front frame 11 on.

A force applying mechanism 30 is fixed on the main shaft 21. In the present embodiment, the urging mechanism 30 is a pair of left and right symmetrical rods, and is provided with a connecting rod 31, a load element 32, and a grip rod. 33 and a grip sleeve 34 disposed on the outer edge of the grip 33, the fixed end of the connecting rod 31 is sleeved at the end of the main shaft 21, and the load cell 32 is a beam load in the feasible embodiment. One end, one end of which is locked at the free end of the connecting rod 31, and the other end of which is locked The lower end of the grip 33; whereby the load force of the load mechanism 20 is transmitted to the lower end of the load cell 32 via the main shaft 21 and the link 31, and the external force applied by the user is transmitted to the grip 33 through the grip 33 The upper end of the load cell 32, therefore, the lower end and the upper end of the load cell 32 are respectively subjected to load force and external force, and the load cell 32 generates strain, and the strain value is transmitted to the servo controller 60 for processing application.

An acceleration processing circuit board 40 having an acceleration sensor 41 and a microprocessor 42 is disposed beside the load cell 32 of the urging mechanism 30; an electronic timepiece 50 is disposed on the frame body 10 for use. And inputting the motion setting value; and a servo controller 60 mounted on the frame body 10, and electrically connecting the acceleration processing circuit board 40, the load cell 32, the motor 221 and the electronic timepiece 50; 7 is shown.

Thereby, when the user operates the urging mechanism 30, the load load generated by the load mechanism 20 by the motor torsion member 22 and the spring member 23 is felt, and the load cell 32 installed in the urging mechanism 30 is also At the same time, the load is loaded and converted into a signal S1 and transmitted to the servo controller 60. The signal S1 is compared with the motion set value S2, and the current of the error value | S1-S2 | is driven to drive the motor 221. The load applied to the main shaft 21 by the output torque is subtracted from the load applied to the main shaft 21 by the spring member 23, and is equal to the motion set value S2; further, the acceleration sensing in the acceleration processing circuit board 40 The device 41 also senses the acceleration of the urging mechanism 30, and the movement setting value S2 is calculated according to the second law (F=ma) of the microprocessor 42 according to the acceleration value, and the obtained value F and the electronic table setting value are obtained. Adding, the added value is connected to the servo controller 60 and compared with the load applied by the load cell 32, and the obtained error value drives the motor through the amplified current. With the aid of the spring, the overall output of the motor will save about half. ,and Due to the halving of the capacity of the motor, the hardware cost will be greatly reduced.

The device combines a spring member, a motor torque member, and a servo controller to achieve a smooth operation of the device, and has the following advantages:

First, it saves half of the output power compared to pure electric servo system, in line with the concept of green energy.

Second, including the motor and the hollow gear box constitutes the motor torsion member, its capacity specification only needs one-half of the pure electric servo system, which can effectively reduce the hardware cost.

Third, the device can completely improve the shortcomings of the pure spring or pure iron sheet system that cannot set the motion curve.

Therefore, the present invention can reduce the energy consumption of the sports equipment by means of the above-mentioned technical means, and at the same time, the sports equipment has the functions of moving speed and smooth operation.

In summary, the structure revealed by this creation is unprecedented, and it can achieve the improvement of efficacy, and it can be used for industrial utilization. It fully complies with the new patent requirements, and asks the review committee to grant a patent to facilitate Innovation, no sense of morality.

However, the drawings and descriptions disclosed above are only preferred embodiments of the present invention. Modifications or equivalent changes made by those skilled in the art in accordance with the spirit of the present invention should still be included in the scope of the present application.

10‧‧‧ ‧ body

11‧‧‧ Front Shelf

12‧‧‧ rear frame

13‧‧‧ stand

20‧‧‧Loading mechanism

21‧‧‧ Spindle

211‧‧‧ shaft seat

212‧‧‧ bearing

22‧‧‧Motor Torque Components

221‧‧‧Motor

224‧‧‧ hollow gearbox

23‧‧‧Spring components

231‧‧·Spring force arm

232‧‧‧ stretching spring

233‧‧ ‧ spring mount

30‧‧‧Applied institutions

31‧‧‧ Connecting rod

32‧‧‧ load weight

33‧‧‧ Grip

Claims (6)

A hybrid electric weight device is applied to a fitness equipment, comprising: a frame body having a seat thereon; a load mechanism fixed on the frame body, having a main shaft and individually mounted on the main shaft a motor torque member and a spring member are configured to generate a load load on the main shaft; a force applying mechanism is fixed on the main shaft, and has at least one set of connecting rods, load elements and grips, Providing a user to apply an external force to the spindle; an acceleration processing circuit board having an acceleration sensor and a microprocessor mounted on the load cell of the force applying mechanism; an electronic watch disposed on the frame a body for inputting a motion set value; and a servo controller mounted on the frame and electrically connecting the acceleration processing circuit board, the load cell, the motor torque member and the electronic watch; Thereby, when the user operates the urging mechanism, the load load generated by the combination of the motor torque member and the spring member in the load mechanism will be felt, and the servo controller will continuously compare the load cell, Electronic timepiece difference value and an acceleration sensor, and correcting the driving current value of the motor torque member, means urging the user to operate the fitness feeling smooth feel smooth. The hybrid electric weight device of claim 1, wherein the motor torque member comprises a motor and a hollow gear box, the motor has a motor main shaft, and the motor is a DC or brushless motor. Constructed, the hollow gear box is coupled to the motor main shaft to transmit its torsion, and has a hollow shaft center, and the main shaft is passed through the hollow shaft The heart is driven by the hollow axis. The hybrid electric weight device of claim 1, wherein the spring member comprises a spring force arm, at least one tension spring and a spring fixing seat, and the two ends of the tension spring are respectively mounted on The spring force arm and the free end of the spring fixing seat, and the fixed end of the spring force arm is sleeved on the main shaft and twisted by the driving, and the fixed end of the spring fixing seat is fixed on the frame body . The hybrid electric weight device of claim 1, wherein the spring member comprises a drive bushing and at least one scroll spring, the drive bushing sleeve is sleeved on the spindle and driven by the same Torsion, the inner edge end of the scroll spring is embedded in the slot of the drive bushing, and the outer edge end is locked on the frame body. The hybrid electric weight device of claim 4, wherein the scroll spring is a complex array, and a partition is disposed between the plurality of scroll springs. The hybrid electric weight device of claim 1, wherein the load cell further comprises a beam load element.