TWI655020B - Promoting device for counterweight flywheel of exerciser - Google Patents

Abstract

The invention provides a resistance gain structure of a gravity wheel of an exercise machine, which mainly comprises: an eccentric drive member disposed on a first side of the gravity wheel, comprising an inner and outer plate segment and a connecting portion, wherein the outer plate segment is fixed at one end set a rotating shaft, one end of the inner plate section is connected to the eccentric position of the gravity wheel through the first offset connecting column; a split bearing seat is arranged on the second side of the gravity wheel, including a bearing screwed on the rotating shaft, and the sleeve is positioned at the seat of the bearing The shell and the radial protruding plate protruding from the outer periphery of the housing shell, the protruding end of the radial protruding plate is connected to the eccentric position of the gravity wheel through the second offset connecting column.

Description

Resistance gain structure of fitness device gravity wheel

The invention relates to a partial structure of an exercise machine; in particular to an innovative type revealer of a resistance gain structure of a gravity wheel of an exercise machine.

According to the structure design of the existing exercise equipment, if the operator is required to obtain a certain degree of resistance during the exercise to achieve better exercise effect, the common person usually passes through a gravity wheel (also known as a counterweight wheel or The configuration of the flywheel is mainly achieved by connecting the gravity wheel to a mechanism such as a crank or a pedal driven by an operator, and in order to achieve a better resistance under the condition that the gravity wheel minimizes the outer diameter specification, it is currently known. In practice, the structure of the pulley shifting mechanism is usually used to increase the resistance, or the configuration of the electronically controlled magnetic resistance device is further matched to achieve the purpose of regulating the resistance.

One problem that cannot be ignored is that if the specifications of the gravity wheel (such as the outer diameter, wheel width and weight) cannot be increased, the current exercise equipment will pass through the aforementioned pulley. The maximum resistance effect that the group and the electronically controlled magnetic resistance device can achieve should have reached a bottleneck state, and it is difficult to generate a significant leap forward.

Furthermore, the setting of the pulley set is integral to the exercise fitness equipment In terms of structure, it is obvious that there are problems and shortcomings that cause too much space and the component material cost and assembly cost are greatly increased, and it does not meet the better industrial economic benefits. These problems are obviously worthy of discussion in the relevant industry. Question.

Therefore, in view of the problems existing in the gravity wheel resistance structure of the above-mentioned fitness machine, how to develop an innovative structure that can be more ideal and practical, and the relevant industry should further consider the goal and direction of breakthrough; The inventor has been engaged in the manufacturing development and design experience of related products for many years. After detailed design and careful evaluation of the above objectives, the inventor has finally obtained the practical invention.

The main object of the present invention is to provide a resistance gain structure of a gravity wheel of an exercise machine, and the technical problem to be solved is to think about how to develop a new type of fitness device gravity wheel resistance structure which is more ideal and practical. Innovative breakthrough; the gravity wheel is used for mounting on a rotating shaft of a fitness device, and the two ends of the rotating shaft are connected to a driving power source for driving, and the gravity wheel includes a first side and a second side. .

The technical feature of the present invention is mainly that the resistance gain structure comprises: an eccentric drive member disposed on the first side of the gravity wheel, the eccentric drive member including the outer plate segment, the inner plate segment and the outer plate segment and a connecting portion between the same end of the inner side plate section, the outer side plate section is provided with a coupling hole set at one end away from the connecting portion and fixed to the outer circumference of the rotating shaft, so that the outer side plate section and the rotating shaft are in a linkage relationship, and the inner side plate section is away from one end of the connecting part Connected to the eccentric position of the gravity wheel through the first offset connecting column, the inner plate segment is connected with the end of the first offset connecting column, and has a separation distance from the first side of the gravity wheel, and the inner plate segment A venting through hole is provided in the middle section for the shaft to pass through in a loose fit state; A split bearing housing is disposed on the second side of the gravity wheel and is screwed on the outer circumference of the rotating shaft, and has an axial spacing between the split bearing seat and the gravity wheel. The split bearing housing comprises a bearing and a sleeve positioned at the outer circumference of the bearing. a shell and a radial protruding plate protruding from the outer periphery of the housing, the bearing is screwed on the outer circumference of the rotating shaft, and the protruding end of the radial protruding plate is connected to the gravity wheel by an eccentric position through the second offset connecting column, and the radial convex The extension plate is connected with the end of the second offset connecting column and has a separation distance from the second side of the gravity wheel.

The main effects and advantages of the present invention are that the transmission resistance can be increased through the eccentric drive and the indirect transmission, thereby achieving a better industrial economic benefit such as greatly reducing the space volume, material and assembly cost of the gravity wheel resistance structure of the exercise machine and Practical and progressive.

A second object of the present invention is another technical feature in which the second offset connecting post and the first offset connecting post are mutually offset from each other to make the gravity wheel An operational balance between the eccentrically driven point and the eccentrically-supported point achieves the advantage of smoother and smoother operation and practical advancement.

10‧‧‧Gravity wheel

11‧‧‧ first side

12‧‧‧ second side

13‧‧‧ Avoiding perforation

20‧‧‧ shaft

30‧‧‧Eccentric drive components

31‧‧‧Outer plate section

310‧‧‧bond hole

32‧‧‧Inside plate section

320‧‧‧ Avoiding through holes

33, 33B‧‧‧ Connections

41‧‧‧First offset connecting column

42‧‧‧Second offset connecting column

50‧‧‧Separate bearing housing

51‧‧‧ bearing

52‧‧‧ housing

53‧‧‧radial protruding plate

60‧‧‧ axial spacing

70‧‧‧ pedal crank members

71‧‧‧Support frame

L1‧‧‧ Center imaginary connection line

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is an exploded perspective view of a preferred embodiment of the present invention.

Figure 2 is a cross-sectional view of a combination of preferred embodiments of the present invention.

Figure 3 is a partial enlarged view of Figure 2.

Figure 4 is a side elevational view of a preferred embodiment of the invention.

Figure 5 is a side elevational view of another embodiment of the structural form of the present invention.

Fig. 6 is a view showing another embodiment of the joint type of the present invention.

Please refer to Figures 1, 2, 3 and 4, which are preferred embodiments of the resistance gain structure of the gravity wheel of the exercise machine of the present invention, but the embodiments are for illustrative purposes only and are not applicable to the patent application. The gravity wheel 10 is mounted on a rotating shaft 20 of an exercise machine. The two ends of the rotating shaft 20 are connected to a driving power source (such as a pedal crank member), and the gravity wheel 10 includes a The first side 11 and the second side 12 are.

The resistance gain structure includes an eccentric drive member 30 disposed on the first side 11 of the gravity wheel 10, the eccentric drive member 30 including an outer plate segment 31, an inner plate segment 32, and a connection a connecting portion 33 between the outer plate segment 31 and the inner end of the rotating plate 20, wherein the outer plate portion 31 is disposed at one end of the connecting portion 33, and is provided with a coupling hole 310. The outer plate section 31 is coupled to the rotating shaft 20 in an interlocking relationship. The inner side plate section 32 is connected to an eccentric position of the gravity wheel 10 through a first offset connecting post 41 away from one end of the connecting portion 33. The segment 32 is connected to the end of the first offset connecting post 41, and has a spacing distance from the first side 11 of the gravity wheel 10, and a middle portion of the inner plate segment 32 is provided with a avoiding through hole 320. The detaching through hole 320 is configured to pass through the rotating shaft 20 in a loosely fitted state; a split bearing housing 50 is disposed on the second side 12 of the gravity wheel 10 and is screwed on the outer circumference of the rotating shaft 20, the split bearing housing 50 and the gravity wheel 10 have an axial spacing 60 (only shown in Figure 3), the separation The bearing housing 50 includes one or more bearings 51, a sleeve 52 positioned on the outer circumference of the bearing 51, and a radial protruding plate 53 protruding from the outer circumference of the housing 52. The bearing 51 is screwed on the rotating shaft 20 The protruding end of the radial protruding plate 53 is connected to an eccentric position of the gravity wheel 10 through the second offset connecting column 42. The radial protruding plate 53 is connected to the second offset connection. The end of the post 42 has a separation distance from the second side 12 of the gravity wheel 10.

As shown in FIGS. 1 to 3, in the present example, the second offset connecting post 42 and the first offset connecting post 41 are disposed at eccentric positions of the gravity wheel 10 in different directions, so that The second offset connecting post 42 and the first offset connecting post 41 are mutually offset with each other; wherein the center of the gravity wheel 10 is provided with a escaping through hole 13 for the rotating shaft 20 to be loosely fitted. The state passes through, and the gravitational wheel 10 and the split bearing housing 50 are connected to each other through the second offset connection post 42 in the same movable transmission relationship. It should be noted that the second offset connection post 42 and the first offset connection post 41 are mutually offset from each other. However, the present invention is not limited thereto. That is, the second offset connecting post 42 and the first offset connecting post 41 may also be disposed in the same lateral eccentric position of the gravity wheel 10.

As shown in FIGS. 1 to 3, in this example, the connecting portion 33 of the eccentric driving member 30 is connected in a cylindrical shape between the outer plate segment 31 and the inner plate segment 32; or The connecting portion 33B shown in FIG. 6 may be an embodiment in which the plate body type is integrally formed between the outer plate segment 31 and the inner plate segment 32. In addition, the connecting portion 33 (or 33B) and the first offset connecting post 41 are disposed at equal or close to equidistant positions on the opposite sides of the rotating shaft 20 in the radial direction.

The central imaginary connecting line between the second offset connecting post 42 and the first offset connecting post 41 is linear or zigzag linearly arranged through any one of the centers of the rotating shaft 20; As shown in FIG. 4, the center imaginary connecting line L1 between the second offset connecting post 42 and the first offset connecting post 41 is arranged in a zigzag line shape through the center of the rotating shaft 20; As shown in the figure, the center imaginary connecting line L1 between the second offset connecting post 42 and the first offset connecting post 41 is arranged in a line shape through the center of the rotating shaft 20.

As shown in Fig. 3, in this example, the bearing 51 of the split bearing housing 50 It is a two-pair configuration type; in this example, the bearing 51 is a two-pair configuration type design, which mainly obtains a relatively stable rotation support effect.

As shown in Fig. 3, in this example, the inner side plate section 32 of the eccentric drive member 30 and the plate surface of the outer side plate section 31 are disposed in a mutually parallel relationship with each other at an angle of 0 degrees. Alternatively, the non-parallel arrangement relationship between the inner plate segment of the eccentric drive member and the plate surface of the outer plate segment may be in a non-parallel configuration with an angle of between 1 and 45 degrees (note: omitted in this example). This will increase the bias effect.

As shown in the first and fourth figures, in this example, the second offset connecting column 42 is a double-column spacing configuration type; in this example, the double-column spacing configuration type can be mainly The transmission between the gravity wheel 10 and the split bearing housing 50 through the second offset connecting post 42 is connected to the same movable state to achieve a better stable state.

According to the above structural composition type and technical features, the resistance gain structure of the gravity wheel of the fitness device disclosed in the present invention can be used as a resistance structure of the existing sports fitness equipment such as a pedal exercise bicycle and an elliptical step machine. The two ends of the rotating shaft 20 as shown in the first and second figures are the embodiment in which the pedal crank member 70 is mounted as a power source, and the rotating shaft 20 can be screwed into one of the fitness machines. The support frame 71 is structurally constructed; and the structural design of the present invention mainly transmits the effects of driving resistance gain through the innovative and simple technical features of the eccentric drive member 30 and the split bearing housing 50, wherein the eccentricity is achieved. In the driving member 30, when the user steps on the pedal member 70 to rotate the rotating shaft 20, the gravity wheel 10 is not directly driven to rotate, but the outer plate segment 31 is first driven through the coupling hole 310, and then the The connecting portion 33 is coupled to the inner plate segment 32. The inner plate segment 32 is coupled to the eccentric position of the gravity wheel 10 through the first offset connecting post 41, and the eccentric driving member 30 is bent and twisted by the transmission path. Enhance the user feel of resistance force drives the wheel 10 rotates the gravity of the process, this principle is simple to Mainly by using the indirect transmission form to be more laborious than the direct transmission form, thereby increasing the user's driving of the gravity wheel 10 without increasing the outer diameter, width and the like of the gravity wheel 10. The sense of resistance, and the eccentric drive member 30 can be formed only through the simple plate and the cylindrical member, the structure is simple, the assembly is convenient, and the volume is small, which is quite beneficial for the reduction of the manufacturing cost of the exercise machine. In terms of the driving torque of the gravity wheel 10, the eccentric driving member 30 disclosed in the present invention is connected to the driving gravity wheel 10 through the first offset connecting column 41, and the linkage point is located on the gravity wheel 10. At the eccentric position, the gravity wheel 10 is driven once because the eccentric drive member 30 itself has a reversing extension structure and an eccentric linkage structure with a significantly multiplied torsion power arm compared to the conventional direct linkage type at the shaft. When inertia is generated, the inertia and centrifugal force generated by it will be relatively larger than conventional ones.

Advantages of the Invention: The "resistance gain structure of the fitness device gravity wheel" disclosed by the present invention is mainly composed of the eccentric drive member and the split type bearing housing, and the first and second offset connecting columns are separated In the different directions of the eccentricity of the gravity wheel, they are mutually dislocated, and the innovative unique structure type is connected between the gravity wheel and the split bearing seat only through the second offset connection column. With the technical features, the present invention can increase the transmission resistance through the eccentric drive and the indirect transmission type according to the conventional structure proposed in the prior art, thereby greatly reducing the space volume of the gravity wheel resistance structure of the exercise machine. Better industrial economic benefits and practical advancement, such as material and assembly costs and a significant increase in moment of inertia.

On the other hand, the technical features of the second offset connecting post and the first offset connecting post are mutually offset, which is also quite heavy for the present invention. It is necessary to achieve a working balance between the eccentrically driven point of the gravity wheel (ie, the first offset connecting column) and the eccentric supporting point (ie, the second offset connecting column), so that the operation is smoother. Smooth.

Claims (10)

The utility model relates to a resistance gain structure of a gravity wheel of an exercise machine, wherein the gravity wheel is used for mounting on a rotating shaft of a fitness device, and the two ends of the rotating shaft are connected to a driving power source for driving, and the gravity wheel includes a first One side and a second side; the resistance gain structure includes: an eccentric drive member disposed on the first side of the gravity wheel, the eccentric drive member including an outer plate segment, an inner plate segment, and the outer side a connecting portion between the plate segment and the same end of the inner plate segment, wherein the outer plate segment is provided with a coupling hole sleeve set at one end of the connecting portion and is fixed to the outer circumference of the rotating shaft, so that the outer plate segment is interlocked with the rotating shaft a relationship, the inner plate section is connected to an eccentric position of the gravity wheel through a first offset connecting column away from the one end of the connecting portion, and the inner plate section is connected to the end of the first offset connecting post, and The first side of the gravity wheel has a separation distance, and a middle portion of the inner plate segment is provided with a escaping through hole, wherein the escaping through hole is for the rotating shaft to pass through; the split bearing housing is provided In the gravity wheel Sidely and screwed on the outer circumference of the rotating shaft, the split bearing housing and the gravity wheel have an axial distance, the split bearing housing comprises more than one bearing, the sleeve is positioned on a shell of the outer circumference of the bearing and the protruding portion a radial protruding plate on one of the outer circumferences of the housing, wherein the bearing is screwed on the outer circumference of the rotating shaft, and the protruding end of the radial protruding plate is connected to an eccentricity of the gravity wheel through the second offset connecting column a position, the radial protruding plate is connected to the end of the second offset connecting column, and has a spacing distance from the second side of the gravity wheel; and wherein the center of the gravity wheel is provided with a escaping hole for The rotating shaft passes through the loosely fitted state, and constitutes a co-moving transmission relationship between the gravity wheel and the split bearing housing only through the second offset connecting column. The resistance gain structure of the gravity wheel of the fitness device according to claim 1, wherein the second offset connecting column and the first offset connecting column are respectively placed in an eccentric position in the different direction of the gravity wheel. The second offset connection post and the first offset connection post are disposed in a mutually offset relationship with each other. The resistance gain structure of the gravity wheel of the fitness device according to claim 1, wherein the connecting portion of the eccentric driving member is connected in a cylindrical shape and fixed between the outer plate segment and the inner plate segment. . The resistance gain structure of the gravity wheel of the fitness device according to claim 1, wherein the connecting portion is integrally formed between the outer plate segment and the inner plate segment. The resistance gain structure of the gravity wheel of the fitness device according to the third or fourth aspect of the invention, wherein the connecting portion and the first offset connecting column are respectively disposed on the opposite sides of the rotating shaft. Nearly equidistant position. The resistance gain structure of the gravity wheel of the fitness device according to claim 5, wherein the central imaginary connection line between the second offset connection post and the first offset connection column is linear or meander The line shape passes through any one of the configuration relationships of the center of the shaft. The resistance gain structure of the gravity wheel of the fitness device according to claim 6, wherein the bearing of the split bearing housing is a two-pair configuration type. The resistance gain structure of the gravity wheel of the fitness device according to claim 7, wherein the angle between the inner plate segment of the eccentric drive member and the plate surface of the outer plate segment is 0 degrees parallel to each other. The resistance gain structure of the gravity wheel of the fitness device according to claim 7, wherein the inner plate section of the eccentric drive member and the outer surface of the outer plate segment are non-parallel between 1 degree and 45 degrees. Configuration relationship. The resistance gain structure of the exercise machine gravity wheel according to the invention of claim 8 or 9, wherein the second offset connection column is a double cylinder spacing configuration type.