JPH0247974Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Field of Industrial Application) The present invention relates to a cycle trainer device, in which the rear wheel axle of a bicycle is supported at any position by a pair of supporting legs erected on a base. The present invention relates to a cycle trainer device in which the rear wheel of the bicycle is brought into contact with a rotating means connected to the base and having means for adjusting contact force.

(Prior Art) An example of a conventional cycle trainer device is that members such as a handle, a saddle, and a pedal that constitute a bicycle are provided and erected in the same manner as a part of an ordinary bicycle, and the pedal member and the To the connecting member to be connected,
A device is provided that has means for adjusting the rotational pressing force of the pedals, for example, a governor brake, etc., and a person sits on the saddle, grips the handlebars, and repeatedly steps on the pedals. This is a cycle trainer device that increases leg strength by increasing the strength of the legs.Such a device does not have the rear wheel, drive device, brake device, etc. of an ordinary bicycle, and is configured as a dedicated cycle trainer device. It was hot. Other examples, such as so-called high-end bicycles such as racing bicycles, are equipped with a device having the above-mentioned functions as a special accessory.

(Problems to be solved by the invention) Even if the above-mentioned conventional cycle trainer device is a dedicated machine or a device with special accessories such as a racing cycle, the purchase price is generally high and it is not suitable for other applications. The disadvantage was that it could not be used for other purposes. In recent years, it has been generally desired that so-called cycle trainer devices for use in bicycles be popularized at home to maintain and improve health or for beauty purposes, but there has been a problem in that the above-mentioned drawbacks have prevented their widespread use.

The present invention aims to solve the above-mentioned problems and provide a simple and inexpensive cycle trainer device using ordinary bicycles already used in households.

(Means for solving the problem) In order to solve the above problem, an ordinary two-wheeled bicycle that is already used in households, etc. is used, and a means for supporting the rear wheel axle of the bicycle is provided at the tip end. a base on which a pair of supporting legs for holding the rear wheels of the bicycle are installed, the base having a means for adjusting the height thereof, and a means for rotating in contact with the tire of the rear wheels of the bicycle mounted on the base; A cycle trainer device is constructed in which a stable leg having a base and a means for adjusting the contact force thereof are connected to the base.

(Function) As described above, since a cycle trainer device using an ordinary bicycle has been configured, this cycle trainer device can be installed at any position, the height of the supporting legs can be adjusted, and the rear wheel of the bicycle can be placed on the base. It is possible to use it as a cycle trainer device by mounting and clamping it on the stabilizer leg and adjusting the contact force adjustment means provided on the stabilizing leg with the tire of the rear wheel.

(Example) An example of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view of an embodiment of the present invention, and FIG. 2 is an explanatory front view showing the state of use of the embodiment of the present invention.

In FIGS. 1 and 2, 1, 1, 1, 2 are pipes outside the support legs, 2, 1, 2, 2 are pipes inside the support legs, and 3 is a base. On the base 3, as will be explained later, there are support leg inner pipes 2, 1,
A pair of support leg outer pipes 1, 1, 1, 2 are provided with means for sliding and adjusting and fixing the positions thereof. 5, 1, 5, 2 are axle bearing stands,
6, 1, 6, 2 are axle holding brackets, 7, 1, 7, 2
is a fixed lever device, and the axle bearing stands 5, 1,
5, 2, axle holding metal fittings 6, 1, 6, 2, and fixing lever devices 7, 1, 7, 2,
The pair is held at the same height on the base 3. Also, a pair of support leg outer pipes 1, 1 and 1,
2 maintains a distance L that is large enough to sandwich the rear wheel shaft e of the bicycle 30 . a is the handle,
b is the saddle, c is the front wheel, d is the rear tire, e
is a rear wheel axle, f is a stand, g is a petal, and h is a frame, and the bicycle 30 is composed of the handle a to the frame h. Although the bicycle 30 is an example of a two-wheeled bicycle in the figure, the bicycle 30 is a two-wheeled bicycle, and the distance L is a dimension that holds the rear wheel axis e.
Any bicycle that can be held between the two is fine.

At the ends of the support leg inner pipes 2, 1, 2, 2, in order to fix the sandwiched rear wheel axle e, a wheel bearing stand 5 is provided between a pair of support leg outer pipes 2, 1, 2, 2 and facing each other at right angles. , 1, 5, 2 and axle holding bracket 6, 1, 6,
2, connection spring 6A, and fixed lever 7, 1,
Means are provided for supporting the rear wheel axle e consisting of 7 and 2.

FIG. 3a is a detailed front enlarged view of the rear wheel axle mounting portion, and FIG. 3b is a perspective view of FIG. 3a. Third
As shown in Figures a and b, the means for supporting the rear wheel axle e is achieved by pushing up the fixing levers 7, 1, 7, 2, and the axle holding metal fittings 6, 1, 6, as shown in two-dot chain lines. , 2 to release the support of the rear wheel axle e.

8, 1, 8, 2 are vertical adjustment levers, and 8A is a vertical adjustment spring. A means for adjusting the height is provided on one surface of the pipe material of the support leg outer pipe 1 and the support leg inner pipe 2. FIGS. 4a and 4b are enlarged side views of the main parts of the height adjustment section, with a portion a and b showing a pair of height adjustment sections. As shown in FIGS. 4a and 4b, a plurality of windows 1 provided on one side of the support leg outer pipes 1, 1, 1, 2 and the support leg inner pipes 2, 1, 2, 2,
11, 1, 21 and windows 2, 11, 2, 21, and support pieces 1, 3, which are provided to fit into these windows and protrude to the outside of the support leg outer pipes 1, 1, 1, 2.
It consists of vertical adjustment levers 8, 1, 8, 2 with vertical adjustment springs 8A provided at 2, 3, and is fitted into the windows 2, 11 and 1, 11 by pressing the vertical adjustment levers 8, 1, 8, 2. By removing the fitting ends of the vertical adjustment levers 8, 1, 8, 2 and changing the combination of multiple windows, the support leg inner pipe 2,
The height of 1, 2, 2 can be adjusted.

Since the diameter of bicycle wheels is generally standardized, the height of the rear wheel axis e can be easily set using the adjustment device.

Next, a description will be given of the stabilizing leg 4, which has means for rotating in contact with the tire d of the rear wheel of the bicycle and means for adjusting the contact force. Stable leg 4 is base 3
A height adjustment screw 9 is provided on the lower surface of the base 3, and rubber feet are provided on the lower surface of the stabilizer leg 4 near both ends.

The upper surface of the front stabilizer leg 4 connected to the base 3 is provided with means for rotating in contact with the rear wheel tire d of the bicycle and means for adjusting the contact force.

FIG. 5a is an enlarged side view of an example of the roller pressure bonding part, and FIG. 5b is a perspective view of FIG. 5a. 11 is a roller, 11A is a roller shaft, 12A is a worm,
12B is a worm wheel, 12C is a worm wheel shaft, 13 is an adjustment knob, and 14 is a reset lever. The roller 11 is rotatably mounted on a pressure bonding mechanism 12 on the stabilizing leg 4. Figure 5b
is shown with the crimp mechanism cover 12-1 removed. Side plate 12-2 and side plate 12- of the crimping mechanism 12
3 and the roller shaft 11 of the roller 11 installed between
A is mounted on a worm wheel 12B, and the worm wheel 12B is rotatably mounted on the side plate 12-2. Worm wheel 12
Worm 12A that engages with B is reset lever 1
It is attached to 4. An adjustment knob 13 is provided on the top of the worm 12A. The reset lever 14 is rotatably attached to the lower part 14-1 of the side plate 12-2, and includes a reset lever holding part provided to protrude in parallel with the stabilizing leg 4, and the reset lever holding part and the worm 12A. A mounting portion 14-2 is provided at a nearly right angle to the reset lever holding portion, and a spring 14-3 is provided near the tip of the mounting portion 14-2 above the side plate 12-2.
It is attached through. Since the roller 11, worm 12A, worm wheel 12B device, and reset lever 14 are configured as described above,
As shown in FIG. 2, the rear wheel tire d of the bicycle 30
is placed on this cycle trainer device, the rear wheel axle e is attached to the axle bearing pedestal 5, 1, 5, 2, and is held down with the axle presser fittings 6, 1, 6, 2, and the roller 11 is adjusted by operating the adjustment knob 13. After pressing the upper rear wheel tire d, the user can ride the bicycle 30 and operate the cycle trainer. Finish the operation,
If necessary, the bicycle 30 can be removed from the trainer device by operating the reset lever 14.

As one example of the roller crimping section shown in FIGS. 5a and 5b, one that mechanically uses a worm and a worm wheel is shown, but other examples include one that uses hydraulic pressure, one that uses a cam, or Other known means such as screws may be used, and any means that can firmly press the roller 11 onto the rear wheel tire d and easily release the pressing force may be used.

(Effects of the invention) Since the invention is constructed as described above, anyone can easily cycle the invention using an ordinary bicycle that is already used at home without the need for a dedicated cycle trainer device. The rear wheel axle is mounted on a trainer device, and it can be used at home to improve health.
Alternatively, there is an effect that it can be realized as a cycle trainer device for beauty.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of an embodiment of the present invention, Fig. 2 is an explanatory front view showing the usage state of an embodiment of the present invention, Fig. 3a is a detailed front enlarged view of the rear wheel axle mounting part, 3b is a perspective view of FIG. 3a, FIG. 4 is an enlarged side view of the main part of the height adjustment section with a partial cutout, FIG. 5a is an enlarged side view of an example of the roller pressure bonding section, Diagram b
is a perspective view of FIG. 5a; 1, 1, 1, 2...Support leg outer pipe, 2, 1,
2, 2...Support leg inner pipe, 3...Base, 4...
Stabilizing leg, 5, 1, 5, 2...Axle bearing stand, 6, 1,
6, 2... Axle holding bracket, 7, 1, 7, 2... Fixed lever device, 8, 1, 8, 2... Vertical adjustment lever, 9... Height adjustment screw, 10... Rubber foot, 11
...Roller, 11A...Roller shaft, 12...Crimping mechanism, 12A...Worm, 12B...Worm wheel, 12C...Worm wheel shaft, 13...
...Adjustment knob, 14...Reset lever, 20 ...
...Cycle trainer device, L...Interval, 30 ...
...bicycle, a...handle, b...saddle, c...
...front wheel, d...rear wheel tire, e...rear wheel axle, f...stand, g...petal, h...frame.

Claims (1)

[Claims for Utility Model Registration] A pair of support leg outer pipes 1, 1 and 1, 2 that are erected on a base 3 with a distance L that is sized to sandwich the rear wheel shaft e of a bicycle 30 . , an axle bearing pedestal 5 that faces between the pair at right angles to the tips of the support leg inner pipes 2, 1 and 2, 2 that slide inside them;
1 and 5, 2 and an axle holding fitting 6, 1 and 6, 2 which is released by a fixed lever device 7, 1 and 7, 2 biased by a connecting spring 6A. At the same time, a plurality of windows 1, 11 and 2, 11, 1, which are provided in the vertical direction on one side of the support leg outer pipes 1, 1 and 1, 2 and the support leg inner pipes 2, 1 and 2, 2, are provided. 21
and 2, 21 and a vertical adjustment lever 8 on these windows,
A base 3 provided with means for adjusting the height of the support portion of the rear wheel axle e by a combination of inserting and removing the tips of 1, 8, and 2; In addition, a roller crimping portion having a roller 11 orthogonal to the stabilizing leg 4 is provided at one end of the stabilizing leg 4 provided in parallel at a portion that comes into contact with the rear wheel tire d of the bicycle 30 mounted on the base 3. a worm wheel 12B rotatably mounted on the side plate 12-2 of the crimping mechanism 12, and a roller shaft 11A mounted on the worm wheel 12B. Rear wheel tire d and roller 1 are provided with a worm wheel 12A reset lever 14 having an adjustment knob 13 that engages with a worm wheel 12B.
1. A cycle trainer device comprising: a stable leg 4 having a means for adjusting contact force;