JPH06285182A - Exercise device for bicycle - Google Patents

Abstract

(57) [Summary] [Purpose] Regarding an exercise equipment for a bicycle, an object thereof is to be able to easily set a bicycle on the equipment. A positioning mechanism 40 is provided on a frame 1 installed on the floor, and one side of a hub H of a drive wheel B of a bicycle is brought into contact with the frame to position the drive wheel B. The holding mechanism 50 is rotatable with respect to the frame 1 between a position facing the positioning mechanism 40 and a spaced position not facing the positioning mechanism 40. Clamping mechanism 50
Presses the other side of the hub H positioned at a position facing the positioning mechanism 40, and holds the driving wheel B together with the positioning mechanism 40 so as to be rotatably separated from the floor surface. The operation pedal 26 is provided on the frame 1 and is stepped on to rotate the holding mechanism 50.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bicycle exercise machine, and more particularly, to a bicycle driving wheel that is held away from the floor surface and is artificially loaded by the user to pedal. The present invention relates to a bicycle exercise equipment capable of performing.

[0002]

2. Description of the Related Art Heretofore, as exercise equipment of this kind, for example, US Pat. No. 4,768,782 and US Pat.
Some are disclosed in No. 2. In these exercise equipment, a pair of front and rear pipe members are assembled in parallel with each other to form a support frame, and a pair of left and right holding members are provided so as to project upward from the support frame. The drive wheels (rear wheels) of the bicycle are placed on the resistance imparting drum rotatably arranged on the support frame. In this state, a pair of rotating shafts projecting from the hub of the rear wheels to both sides are rotatably mounted in the sandwiching cylinders extending from the holding members in directions toward each other.
Therefore, the rear wheels are held on the drum by both the sandwiching cylinders, and a load due to the resistance of the drum is applied to the rear wheels that rotate on the resistance imparting drum by the user's pedaling motion. Therefore, the user can improve the exercise effect by performing the pedaling exercise with the force according to the load applied to the rear wheel.

[0003]

However, in U.S. Pat. No. 4,768,782, one holding cylinder is projected and held inward by a preset length, and the other holding cylinder is projected and retracted from the holding member by a screw operation. It has a flexible structure. Then, the hub of the rear wheel is fitted onto one end side of the rotating shaft in the one holding cylinder, and the other holding cylinder is further extended and fitted onto the other end side of the rotating shaft to hold the hub.

In this operation, in order to set the bicycle on the exercise equipment, the upper rear part of the bicycle is held by one hand so that the rear wheel arranged on the resistance applying drum does not come off from the resistance applying drum. It is necessary to extend the holding cylinder by screwing with the other hand that extends below the rear part of the bicycle, and to fit it on the rotating shaft of the hub. Therefore, the work of setting the bicycle on the exercise equipment is complicated.

Further, in US Pat. No. 4,969,642, one holding cylinder is constructed in substantially the same manner as described above, and the other holding cylinder is constructed to be extendable / contractible by lever operation. Therefore, it is necessary to position the rear wheel on the drum while lifting the bicycle with one hand, and to extend the other hand below the rear portion of the bicycle to perform the lever operation.
Therefore, in the exercise equipment disclosed in the US Pat. No. 4,969,642, the work of setting the bicycle is complicated similarly to the exercise equipment disclosed in the US Pat. No. 4,768,782.

The present invention has been made to solve the above-mentioned problems of the conventional products, and an object of the present invention is to provide a bicycle exercise machine which can easily set a bicycle.

[0007]

In order to achieve the above-mentioned object, the present invention provides a frame installed on a floor surface and a drive wheel of a bicycle, which is abutted against one side of a hub of a drive wheel of a bicycle. Positioning means for positioning the wheel,
Similarly, with respect to the frame, the other side of the hub is rotatably provided between a position facing the positioning means and a spaced position not facing the positioning means, and positioned by the positioning means at a position facing the positioning means. And a holding means for holding the drive wheel together with the positioning means so as to rotatably separate the drive wheel from the floor surface, and a stepping operation means provided on the frame and operated to rotate the holding means. And configured.

[0008]

When the positioning means provided on the frame installed on the floor is brought into contact with one side of the hub of the drive wheels of the bicycle and the drive wheels are positioned, the stepping operation means is operated to step down. The holding means is rotated from the separated position to a position facing the positioning means. Then, the sandwiching means rotatably sandwiches the drive wheel together with the positioning means while separating the drive wheel from the floor surface.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings. FIG. 1 shows a bicycle exercise machine installed on a floor surface, and a frame 1 is provided with a resistance imparting drum 2
Is installed. Explaining the frame 1, a pair of front and rear support portions 3 and 4 formed of a pipe material are arranged on the floor surface so as to be parallel to each other.

A U-shaped reinforcing portion 5 is attached to the front supporting portion 3. The left and right ends of the reinforcing portion 5 are provided so as to incline rearward toward the top. A pair of left and right leg portions 6 and 7 made of a flat tube material corresponding to the reinforcing portion 5 extend upward in the rear support portion 4 so as to be slightly inclined forward. The reinforcing portion 5 has a pair of connecting pieces C attached to both ends of the upper portion.
It is rotatably connected to the corresponding leg portions 6 and 7 from below via. When the exercise equipment is not in use, the reinforcing portion 5 is rotated as shown by the chain double-dashed line, and the exercise equipment is folded and stored.

A holding cylinder portion 8 is fixed to the upper end of the right leg portion 6 and extends horizontally across the entire width thereof. A positioning screw 9 is screwed into the holding cylinder portion 8, and the inner end of the positioning screw 9 projects inward from the holding cylinder portion 8. An adjustment knob 10 is fixed to the outer end (right end) of the positioning screw 9, and a lock knob 11 is screwed onto the positioning screw 9 between the adjustment knob 10 and the outer wall of the holding cylinder portion 8. .

A receiving body 12 is provided at the inner end of the positioning screw 9, and a receiving recess 13 is formed outward from the inner end opening of the receiving body 12. The positioning screw 40, the adjusting knob 10 and the receiving body 12 constitute a positioning mechanism 40.

The set screw 9 is adjusted in advance according to the size of the bicycle. That is, the adjustment knob 10 is operated according to the thickness of the hub H of the rear wheel B of the bicycle manufactured according to a predetermined standard to adjust the inward projection amount of the positioning screw 9. After that, when the lock knob 11 is screwed and pressed against the outer wall of the holding tube portion 8, the positioning screw 9 is locked. As a result, the receiving body 12 is held immovable at a certain position.

Then, the rear wheel B of the bicycle is placed on the resistance imparting drum 2, and the first rotary shaft Ra protruding from the hub H of the rear wheel B is rotatably inserted into the receiving recessed portion 13. The rear wheel B is positioned.

As shown in FIGS. 2 and 3, a support arm 15 is rotatably attached to the left leg 7 by a support pin 14. As shown in FIG. 4, the support arm 15 includes the leg portion 7
Is formed so as to cover the outer half part (left half part), and the operation cylinder part 16 is fixed to the upper part thereof. The length of the operation tube portion 16 is set to be approximately twice the width of the leg portion 7.
The inner half portion (right half portion) of the is protruding inside the leg portion 7. The upper end of the leg portion 7 has a notch 7 along the outer peripheral surface of the operating tube portion 16.
a is formed.

As shown in FIGS. 2 and 3, a fitting body 17 is attached to the inner end of the operating cylinder portion 16 so as to project inward from the same, and the inner end surface of the fitting body 17 is extended outward. A fitting recess 18 is bored toward. Operation tube portion 16 and fitting body 1
The holding mechanism 50 is configured by 7. Therefore, the holding mechanism 50 is rotated around the support pin 14, and is positioned between the position facing the positioning mechanism 40 as shown in FIG. 3 and the spaced position not facing the positioning mechanism 40 as shown in FIG. Can be switched.

As shown in FIG. 4, a U-shaped first link 19 is rotatably connected to the upper left end of the support arm 15 by a support pin 20 at its base end.
A bifurcated second link 21 and a lifting rod 25 are rotatably connected to the tip of the first link 19 by a support pin 22 so as to be sandwiched by the link 19. The second link 21 is a support piece 2 provided on the outside of the upper portion of the leg portion 7.
The pins 3 are rotatably connected to each other by a support pin 24. As shown in FIGS. 2 and 3, the support piece 23 is fixed by welding after penetrating in the width direction of the leg portion 7.
Further, a trapezoidal groove is cut out on the upper surface of the support piece 23, and the groove allows the rotation of the first and second links 19 and 21.

The lower end portion of the elevating rod 25 is the operating cylinder portion 1.
The operation pedal 26 provided below the left leg portion 6 of 6 is rotatably connected by a bolt 35. The operation tube portion 1
6 and the support arm 15 include the first and second links 1
A resin cover 27 made of a hard resin such as vinyl chloride is attached so as to cover 9, 21 and the support piece 23. An opening groove G that allows the movement of the elevating rod 25 is formed in the lower portion of the resin cover 27.

The operation pedal 26 is formed in a plate shape with a hard resin material such as vinyl chloride or a metal material, and as shown in FIG. 5, a thick contact wall 28 extends downward from the front end (left end) thereof. At the same time, a mounting wall 29 is provided so as to project downward from a substantially central portion in the front-rear direction. And bolt 3
4 passes through the attachment holes 30 and 31 of the abutment wall 28 and the mounting wall 29 from the outside front of the left leg portion 7 through the insertion hole 32 formed in the leg portion 7 and then the nut 33 Tightened and the operating pedal 26 is attached to the left leg 7.

The operating pedal 26 is moved by a stepping operation between a non-operating position shown in FIG. 2 and an operating position shown in FIG. When the operating pedal 26 is in the non-operating position, the first pedal
And the second links 19, 21 are in the non-rotating position. Therefore, the support arm 15 is inclined with respect to the leg portion 7 as shown in FIG. 2, and the operation tube portion 16 and the fitting body 17 are held at the non-clamping position.

When the operation pedal 26 is stepped on and moved to the operation position as shown in FIG. 3, the elevating rod 25 is pulled downward. As a result, the first and second links 19 and 21 are moved to the rotation position. Then, the support arm 15 is rotated clockwise around the support pin 14, and when the operation tube portion 16 comes into contact with the notch 7a, the operation tube portion 16 and the fitting body 17 face the receiving body 12. Move to the clamping position.

Then, the fitting body 17 is fitted onto the second rotating shaft Rb protruding from the hub H of the rear wheel B, and the rear wheel B is rotated on the drum 2 by the fitting body 17 and the receiving body 12. Retained as possible. In addition, when the first and second links 19 and 21 are moved to the rotation position, the first and second links 1
9, 21 are arranged on a substantially straight line. Therefore, the operation suppressing force acts on the operation pedal 26 from the operation tube portion 16 via the support arm 15, and the position of the operation pedal 26 is not switched in a natural state.

The resistance imparting drum 2 is disclosed in Japanese Patent Application Laid-Open No. 62-194873 by the applicant of the present application, and therefore the construction and operation will be briefly described below. That is, a pair of permanent magnets are arranged to face each other with a metal rotary plate fixed to the rotary shaft interposed therebetween, and an eddy current is generated in the rotary plate by the rotation of the rotary plate accompanying the rotation of the rotary shaft to rotate the rotary shaft. It is configured to put a load on. Then, the remote control device connected to the applicator 2 is attached to the handle of the bicycle or the like for operation, whereby the user can change and adjust the facing positions of the permanent magnets to adjust the load.

In order to set a bicycle on the bicycle exercise equipment constructed as described above, first, the tire of the rear wheel B is placed on the resistance imparting drum 2, and the receiving recess 13 of the receiving body 12 is placed. Is fitted onto the first rotation shaft Ra of the rear wheel B. When the first rotating shaft Ra of the hub H is completely installed in the receiving recess 13, the right position of the rear wheel B is the receiving body 12 and the set screw 9.
It will be positioned by.

After that, be careful with both hands to hold the tire of the rear wheel B so as not to come off from the resistance imparting drum 2 and to keep the state in which the first rotating shaft Ra is held by the receiving body 12. And support the rear of the bicycle. Operating pedal 2 in the non-operating position shown in FIG. 2 with the rear part of the bicycle supported
6 is depressed to move it to the operation position as shown in FIG.

As a result, the elevating rod 25 is pulled downward, the first link 19 is rotated counterclockwise, and the second link 21 is rotated clockwise. Then, the support arm 15 is rotated clockwise around the support pin 14, and when the operation tube portion 16 comes into contact with the notch 7a, the operation tube portion 1 is moved.
6 and the fitting body 17 are moved to the holding position facing the receiving body 12, and the second rotation shaft Rb of the hub H is housed in the fitting recess 18. Therefore, the rear wheel B is rotatably held from the left and right by the fitting body 17 and the receiving body 12 on the resistance imparting drum 2 of the exercise equipment, and the user can exercise on the bicycle.

In order to remove the bicycle from the exercise equipment for the bicycle, the operator operates the operation pedal 26 at the operating position shown in FIG. 3 while supporting the rear portion of the bicycle with both hands and does not operate as shown in FIG. Move to position.

Then, the elevating rod 25 is pushed upward, the first link 19 is rotated clockwise, and the second link 21 is rotated counterclockwise. As a result, the support arm 15 rotates counterclockwise and is arranged in an inclined state with respect to the leg portion 7. With the rotation of the support arm 15, the operation tube portion 16 and the fitting body 17 are moved to the non-holding position shown in FIG. 2, and the second rotation axis Rb is disengaged from the fitting recess 18.

After that, when the first rotating shaft Ra is disengaged from the receiving body 12 while holding the rear wheel B, the bicycle can be removed from the exercise equipment. As described above, in this embodiment, the rear wheel B can be easily and securely attached to the exercise equipment by the simple operation of stepping down the operation pedal 26 with the foot after setting the drive wheel of the bicycle at a predetermined position on the exercise equipment. Can be set to.

The present invention is not limited to the configuration of the above-described embodiment, and for example, a mechanism for locking the operation pedal 26 at the operation position shown in FIG. 3 is provided without departing from the spirit of the present invention. It is also possible to embody the configuration of each unit by arbitrarily changing it.

[0031]

As described in detail above, according to the exercise equipment for a bicycle of the present invention, the excellent effect that the bicycle can be easily set is exhibited.

[Brief description of drawings]

FIG. 1 is a perspective view showing a bicycle exercise equipment of the present invention together with a part of a bicycle.

FIG. 2 is a cross-sectional view showing a relationship between a fitting body and an operation pedal, which are essential parts of the present invention.

FIG. 3 is a cross-sectional view showing a change in the relationship between the fitting body and the operation pedal shown in FIG.

FIG. 4 is a side view showing the exercise equipment for a bicycle of the present invention.

FIG. 5 is a cross-sectional view showing a mounted state of an operation pedal.

[Explanation of symbols]

Frame: 1, operation pedal as stepping operation means: 2
6, positioning mechanism as positioning means ... 40, sandwiching mechanism as sandwiching means ... 50, drive wheel ... B, hub ... H.

Claims (1)

[Claims] 1. A frame (1) installed on a floor, and a drive wheel (B) of a bicycle, which is provided on the frame (1).
Positioning means (40) for contacting one side of the hub (H) to position the drive wheel (B), and the positioning means (40) with respect to the frame (1).
A hub that is rotatably provided between a position that faces the positioning means (40) and a spaced position that does not face the positioning means (40), and that is positioned by the positioning means (40) at a position that faces the positioning means (40). (H) A holding means (50) for pressing the other side to hold the drive wheel (B) together with the positioning means (40) so as to be rotatably separated from the floor surface, and the holding means (50) provided on the frame (1). And a stepping operation means (26) that is stepped on to rotate the holding means (50).