TW201341656A - Flywheel structure - Google Patents

Abstract

The present invention relates to a flywheel structure, more particularly to a flywheel structure for providing exercise load and inertia to exercise equipment. The flywheel includes a wheel frame and at least a weight block. A center and periphery of the wheel frame respectively have a wheel shaft part and a wheel edge part arranged in a concentric manner, wherein the wheel shaft part can be passed through by a shaft rod, and the weight block can be selectively arranged between the wheel shaft part and the wheel edge part, in order to generate a specific length of lever arm by the weight block and the wheel shaft part. Through the above design, when the flywheel is in high-speed rotation, relationship between the weight block and the lever arm can be utilized to generate outward centrifugal force. In addition, the inertia effect is increased as the rotation speed is increased, so as to obviously elongate the inertia weight curve. Therefore, the weight of the flywheel can be effectively reduced for achieving low costs, and the flywheel can be adjusted according to the exercise load requirement of the user.

Description

Flywheel structure

The invention belongs to the technical field of a flywheel for counterweight, in particular to a flywheel structure capable of improving the inertia effect by using centrifugal force, so that the inertia weight curve can be obviously elongated when the flywheel speed is increased, and the flywheel manufacturing cost can be further reduced. .

According to medical research, in recent years, due to medical research, a small number of multiple movements, the effectiveness of preventing heart disease is as good as the intensive exercise for a long time, so the market The development of fitness equipment with a variety of different training functions for users to exercise indoors, and such sports equipment is mainly exercise bikes, elliptical machines, weight trainers, ski machines, treadmills, etc.; In order to provide the user with the load during the movement to improve the movement effect and smooth movement, usually a flywheel with a specific weight (also commonly known as a counterweight wheel, a flywheel, a weight wheel or a damper wheel) is provided. A conventional exercise bicycle shown in the figure, the exercise bicycle is provided with a flywheel (2) on the frame (90), and a crank set (95) for driving the flywheel (2) at the other end of the frame (90). The user can make the flywheel (2) of the weight of the implement by stepping on the crank set (95), and generate loads through components such as friction plates, brake pads, and magnetrons.

The flywheel is also called the acceleration rotation. When the side crank is turned to the lower limit position, the left and right leg afterburning process is completed. The crank can continue to rotate by the inertial force of the flywheel, and when it passes the lower limit position, it enters the next loop. Therefore, when driving the flywheel, it is more necessary to use the weight of the flywheel to lengthen the curve of its inertia weight to balance the resistance. Therefore, the flywheel needs to have a specific weight to generate an effective inertia weight curve, and the existing flywheels are mostly solid. Stainless steel iron wheels are mainly used, but they are manufactured by cutting or casting with a large diameter solid stainless steel iron column. In the case of solid iron columns, the larger the diameter, the higher the cost, and because of More need for secondary processing, but the need to use larger manufacturing equipment, invisible increases its production costs.

Under the limitation of size and material, the weight of the general flywheel is also limited, which can not fully meet the inertia of the sports equipment, so that the sports effects of the sports equipment using the flywheel are relatively limited.

The inventor of the present invention has intensively discussed the problems faced by the aforementioned flywheels in actual use, and actively seeks solutions through the experience of the inventors for long-term research and development and production of related industries, and has been continuously researching and trialing. Finally, a flywheel structure was successfully developed to overcome the inconvenience and trouble that the existing flywheel could not reduce the cost and inertia.

Therefore, the main object of the present invention is to provide a flywheel structure with good inertia effect, which can effectively and obviously lengthen the inertia weight curve without increasing the weight of the flywheel, so as to improve the motion effect of the sports equipment.

Moreover, the second primary object of the present invention is to provide a low-cost flywheel structure that simplifies the manufacture of the flywheel while substantially reducing its manufacturing cost to increase economic efficiency.

In addition, another primary object of the present invention is to provide an adjustable inertia flywheel structure that can adjust the weight of the flywheel according to the user's needs, thereby changing the curve of the inertia weight to meet the needs of different users.

Based on the above, the present invention mainly implements the foregoing objects and effects through the following technical means; the present invention comprises: a wheel skeleton having a shaft portion formed at the center thereof, and an outer edge of the wheel frame is formed with a rim portion, and the wheel frame A plurality of radial equidistant wheel arms are formed between the axle portion and the rim portion, and at least one locking portion is formed in the wheel arm region; and the plurality of weight blocks can be set to different weights and sizes according to requirements, and each weight block The center is formed with a locking portion corresponding to the wheel arm locking portion.

Thereby, through the display of the foregoing technical means, the flywheel of the present invention can utilize the torque length of the weight block and the axle portion, so that the inertia weight curve can be significantly elongated when the rotational speed is increased, and the weight material is easily obtained. The utility model can effectively reduce the cost and improve the movement effect of the sports equipment using the flywheel of the invention. Therefore, the flywheel of the invention has more effective effects than the existing flywheel in terms of "manufacturing cost, inertia weight curve, change of inertia and motion effect".

The present invention will be further described in detail with reference to the accompanying drawings and drawings.

The present invention relates to a flywheel structure for a sports equipment, and a specific embodiment of the flywheel structure of the present invention and its components, all related to front and rear, left and right, top and bottom, upper and lower, and horizontal and The vertical reference is for convenience of description only and is not intended to limit the invention, nor to limit its components to any position or spatial orientation. The drawings and the dimensions specified in the specification may be varied in accordance with the design and needs of the specific embodiments of the present invention without departing from the scope of the invention.

For the detailed structure of the flywheel structure of the present invention, please refer to the second figure, the flywheel (1) can be arranged on the frame (60) of the general exercise bike, and the frame (60) is additionally provided with a frame. The crank set (65) for stepping on the foot, the crank set (65) and the flywheel (1) can be arranged coaxially or differently on the frame (60), so that the user can drive the flywheel through the crank set (65) (1) High-speed rotation, and the inertia of the flywheel (1) enables the cranks on both sides of the crankset (65) to produce a smooth circular motion, and the friction plates, brake pads, magnetrons, etc., which are arranged on the flywheel (1) The resistance element (not shown) provides an exercise load; as for the detailed construction of the preferred embodiment of the flywheel structure of the present invention, please refer to the third, fourth, fifth and sixth figures, the flywheel (1) has a disc The wheel frame (10) and the plurality of weight blocks (20) are formed; wherein the wheel frame (10) is formed with a wheel shaft portion (11) at the center thereof, and the wheel shaft portion (11) is configured to assemble a shaft member (50). The flywheel (1) is erected on the frame (60) of the sports equipment through the shaft member (50), and the outer edge of the wheel frame (10) is formed with a rim portion (12), and the wheel frame (10) is A wheel arm (15) having a plurality of equidistant distances and extending radially from the axle portion (11) is formed between the shaft portion (11) and the rim portion (12). The present invention has six wheel arms (15) as a main embodiment. Further, at least one side of each of the two side walls of each wheel arm (15) is formed with a limiting portion (16) for embedding a weight (20). The present invention has a limiting portion on both side walls of the wheel arm (15). (16) is a main embodiment, and a locking portion (18) for assembling the weight (20) is formed in the range of the limiting portion (16), and the locking portion (18) is away from the axle portion (11) The axial spacing is greater than half the radius of the wheel frame (10), and the locking portion (18) can be a through hole or a screw hole or a stud or a stud, etc., and the present invention is capable of locking the weight block (20). The through hole is the main embodiment; the weights (20) can be set to different weights and sizes according to requirements. For example, the weight of each weight block (20) is one kilogram, so that the user can calculate according to the demand increase or decrease. Further, in the center of the weight (20), a locking portion (21) corresponding to the locking portion (18) of the wheel arm (15) is formed. In the present invention, the through hole is taken as an example for the locking of the nut with the nut (25). ) Lock the weight blocks (20) on both sides of the wheel arm (10) (1) 5) The two sides of the limiting portion (16) to reduce the stress on the locking member (25); in addition, the flywheel (1) is locked with a ring sleeve (30) on the outer edge of the wheel frame (10), the wheel The inner edge of the ring sleeve (30) has a plurality of equidistant locking pieces (31), so that the wheel ring sleeve (30) can be fixed on the rim portion (12) of the wheel frame (10) by using the locking piece (31). The ring sleeve (30) may be a metal ring body for use as a surface for magnetron or friction plates or brake pads, etc.; and the flywheel (1) is disposed on at least one side of the two sides of the wheel frame (10) A wheel housing (40), the invention has a wheel housing (40) on both sides as a main embodiment, and the wheel housing (40) can be made of a transparent material with color, which can prevent the user from touching the flywheel ( 1) Internal components, and through the transparent wheel housing (40) can observe the internal structure, so that when the flywheel (1) rotates at high speed, the colorful and transparent wheel housing (40) can be used to generate streamline and rotation changes. It can effectively enhance its aesthetics; thus, the group constitutes a flywheel structure that combines cost reduction and overall inertia weight curve.

Through the above design, the present invention is actually shown in the second and fourth figures. In actual operation, when the user steps on the crank group (65) to drive the flywheel (1), due to the flywheel ( 1) The upper weight (20) and the axle portion (11) of the wheel frame (10) are maintained at an appropriate distance, so that when the flywheel (1) rotates at a high speed, a high centrifugal force can be generated. In general, The farther the weight of the same weight (20) from the axle portion (11), the greater the centrifugal force it can generate, and the locking portion of the locking weight (20) compared to the existing solid wheel (18) The axial distance from the axle portion (11) is greater than half the radius of the wheel frame (10), so that under the same weight, the inertia effect of the present invention can be increased by increasing the rotational speed, and the inertia weight curve is significantly elongated. At the same time, because it uses a small size weight (20), the material is easy to obtain and the cost is low, and the subsequent secondary processing only needs to use general processing equipment, so the preparation cost can be greatly reduced, and the economy can be improved. The purpose of the benefit.

In addition, the present invention can be operated as shown in the sixth and seventh figures, and the user can select the limit portions (16) on both sides of each wheel arm (15) of the wheel frame (10) of the flywheel (1) as needed. The lock has a weight (20). It can also reduce the setting of the weight block (20). As shown in the seventh figure, the weight block (20) is set at intervals, so that the same inertia effect as the existing flywheel can be achieved under the overall weight of the flywheel (1). . In this way, the weight of the flywheel (1) and its inertia effect can be adjusted according to the actual needs of the user.

In another embodiment of the present invention, as shown in the eighth and ninth figures, the wheel frame (10) is formed with a plurality of equidistances between the axle portion (11) and the rim portion (12), and is composed of the axle portion. (11) radially extending wheel arms (15), each wheel arm (15) is formed with a long guiding portion (17), and the long guiding portion (17) can have a plurality of locks at different distances from the axle portion (11) The solid portion (18), wherein the long guide portion (17) can be a long guide groove, and the locking portion (18) can be a groove distributed on one side edge of the long guide groove, so that the weight block (20) can be long along The guiding portion (17) moves and locks on different locking portions (18) to achieve the purpose of changing the length of the weight (20) relative to the axle portion (11) [as shown in the ninth figure], and It allows the user to adjust its inertia according to actual needs.

As shown in the tenth figure, the flywheel (1) of the present invention can also be disposed on the frame (70) of the elliptical machine, and the frame (70) is provided with a handrail bar (71) which can be staggered and moved, and the frame (70) Both sides are provided with a stepping group (75) actuated by a handrail lever (71), and each stepping group (75) is additionally pivotally disposed on both sides of the flywheel (1) by a connecting rod (76) to generate inertia and The role of the load.

The flywheel structure of the present invention further has at least the following advantages and practical value; such as:

1. The flywheel structure of the present invention utilizes the centrifugal force of rotation of a weight (20) having a specific distance from the axle portion (11) to generate inertia, which is much larger than the centrifugal force of the solid flywheel, so that the invention has the same weight. The flywheel (1) can effectively and obviously lengthen the inertia weight curve, thereby improving the movement effect of the sports equipment.

2. As mentioned above, since the flywheel structure of the present invention can use the small-sized weight block (20) to achieve the purpose of increasing the inertia weight, compared with the existing large-sized solid flywheel, not only the material is easy to obtain, but also the material. The cost is much lower than that of the existing ones. Moreover, the equipment for secondary processing only needs to use the equipment of general specifications, so the manufacturing cost can be greatly reduced to improve economic efficiency.

3. Furthermore, the weight block (20) of the flywheel structure of the present invention can be adjusted according to the user's demand, and the inertia weight of the flywheel (1) can be changed to change the inertia weight curve to meet different uses. The needs of the people.

4. The flywheel structure of the present invention can increase the overall weight of the flywheel (1) according to the user's needs, can improve its inertia effect, and further increase its load to improve the overall motion effect.

5. The flywheel structure of the present invention is provided with a transparent wheel shell (40) on both sides, which allows the user to see the rotation change inside the flywheel (1), greatly improve the streamline change, and can enhance the overall force and beauty. .

In summary, the present invention has many of the above-mentioned practical values, and thus the present invention is indeed a novel and progressive creation, and the same or similar products are not disclosed in the same technical field, so the present invention has met the requirements of the invention patent. Is to apply in accordance with the law, pray for the early grant of the invention patent in this case.

(1). . . flywheel

(10). . . Wheel skeleton

(11). . . Axle section

(12). . . Rim part

(15). . . Wheel arm

(16). . . Limiting department

(17). . . Long guide

(18). . . Locking part

(20). . . Weight block

(twenty one). . . Locking part

(25). . . Lock firmware

(30). . . Ring cover

(31). . . Locking plate

(40). . . Wheel shell

(45). . . Lock firmware

(50). . . Shaft member

(60). . . Frame

(65). . . Crank group

(70). . . frame

(71). . . Handrail

(75). . . Stepping group

(76). . . link

(90). . . Frame

(95). . . Crank group

(2). . . flywheel

The first picture: the appearance of the existing exercise bike.

Second figure: Schematic diagram of the appearance of the exercise vehicle to which the present invention is applied.

Third: A perspective exploded view of the flywheel structure of the present invention for illustrating the constituent elements of the present invention and their relative relationships.

Fourth Figure: Schematic view of the three-dimensional appearance of the flywheel structure of the present invention.

Fig. 5 is a cross-sectional view showing the structure of the flywheel of the present invention taken along line 5-5 of the fourth figure.

Figure 6 is a side plan view of the flywheel structure of the present invention.

Figure 7 is a side plan view showing the weight reduction of the flywheel structure of the present invention.

Figure 8 is a side plan view showing still another embodiment of the flywheel structure of the present invention.

Figure 9 is a side plan view showing the position of the weight block in still another embodiment of the flywheel structure of the present invention.

Fig. 10 is a schematic view showing the appearance of the flywheel structure of the present invention applied to an elliptical machine.

(1). . . flywheel

(10). . . Wheel skeleton

(11). . . Axle section

(12). . . Rim part

(15). . . Wheel arm

(16). . . Limiting department

(17). . . Long guide

(18). . . Locking part

(20). . . Weight block

(twenty one). . . Locking part

(25). . . Lock firmware

(30). . . Ring cover

(31). . . Locking plate

(40). . . Wheel shell

(45). . . Lock firmware

(50). . . Shaft member

Claims (10)

A flywheel structure includes: a wheel skeleton having a wheel shaft portion formed at a center thereof, and a wheel edge portion is formed on an outer edge of the wheel frame, and the wheel frame forms a plurality of radial equidistant wheels between the wheel axle portion and the rim portion The arm and the wheel arm are formed with at least one locking portion; the plurality of weights can be set to different weights and sizes according to requirements, and a center of each weight block is formed with a locking portion corresponding to the locking portion of the wheel arm; The group constitutes a flywheel structure that combines both cost reduction and overall inertia weight curve. According to the flywheel structure of claim 1, wherein at least one of the two side wall faces of each wheel arm of the wheel frame is formed with a limiting portion for embedding a weight block, and the locking portion is formed in the limiting portion. . The flywheel structure of claim 1, wherein the wheel arm locking portion of the wheel frame is spaced from the axle portion by a distance greater than half the radius of the wheel frame. The flywheel structure according to claim 1, wherein the wheel arm locking portion of the wheel frame is selected from a through hole or a screw hole or a stud or a stud, and the locking portion of the weight block is correspondingly transparent. Hole or screw hole, etc. According to the flywheel structure of claim 1, wherein the wheel arm locking portion of the wheel frame is a through hole, and the center of the weight block forms a corresponding through hole for locking the weight block with the nut with the nut Wrapping on the wheel arm of the wheel skeleton. According to the flywheel structure of claim 1, wherein the flywheel is locked with a ring sleeve on the outer edge of the wheel frame, and the inner edge of the wheel ring sleeve has a plurality of equidistant locking pieces, so that the wheel ring sleeve can be locked The sheet is fixed to the rim portion of the wheel frame for use as a surface for magnetron or friction plates or brake pads. A flywheel structure includes: a wheel skeleton having a wheel shaft portion formed at a center thereof, and a wheel edge portion is formed on an outer edge of the wheel frame, and the wheel frame forms a plurality of equidistant long guide portions between the wheel shaft portion and the rim portion The long guide portion has a plurality of locking portions at different distances from the axle portion; the plurality of weight blocks can be set to different weights and sizes according to requirements, and a center of each weight block is formed with a locking portion corresponding to the wheel arm locking portion. The flywheel structure according to claim 7, wherein the long guide portion can be a long guide groove, and the lock portion can be a groove distributed on one side edge of the long guide groove. According to the flywheel structure of claim 7, wherein the wheel frame is formed with a plurality of radial equidistant wheel arms between the axle portion and the rim portion, and each of the long guide portions is formed on each of the wheel arms. According to the flywheel structure of claim 7, wherein the locking portion of the wheel frame is a through hole, and the center of the weight block forms a corresponding through hole for locking the weight block with the locking nut with the nut Wheel arm of the wheel skeleton.