JP3875935B2 - Traveling equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
TECHNICAL FIELD The present invention relates to a traveling tool that can be worn or rided by a rider to obtain a propulsive force in a traveling direction, and more specifically, a roller ski that is worn on both feet of a rider or a roller that a rider rides on one step with both feet. Regarding the board.
[0002]
[Prior art]
Usually, a traveling tool such as a roller ski or a roller skate includes a step for placing a rider's foot and a roller rotatably disposed under the step. There are two main types: those that move forward by kicking the surface and gaining propulsive force, and those that move forward by obtaining propulsive force with a separate propulsion means. Among them, a device that obtains a propulsive force by a separate propulsion means is disclosed in, for example, Japanese Patent Application Laid-Open No. 59-186574.
[0003]
As shown in FIGS. 6 and 7 in the same publication, the traveling tool provided with this conventional propulsion means extends from the rear end of the step platform to the floor surface, and has a front wheel at the front end portion and the base end portion, respectively. And a frame having a driving wheel disposed in the middle part, a lever extending from a substantially middle part of the stepping platform to the frame, and swingable around a connecting part with the frame, and the lever Propulsion means that obtains propulsive force by transmitting the rocking motion of the drive to the drive roller, and when the rider steps on the tip side of the stepping platform and applies a load, the lever is swung and driven via the propulsion means The roller was rotated and moved forward.
[0004]
However, in the traveling tool as described above, since the rider moves the toe up and down around the heel and converts the vertical displacement into the rotation of the driving roller, the forward distance is large for one stepping operation. There was a problem that it was few and lacked in driving. In other words, the amount of displacement for obtaining the propulsive force is limited to a slight amount of displacement accompanying the vertical movement of the toe centering on the heel, and the drive roller cannot be sufficiently rotated.
[0005]
In addition, since it is necessary to step on the heel as a fulcrum to move forward, local muscle strength, such as inflated shins, will be overused, and excessive fatigue is expected during driving, and long-time driving is not possible. There was also the problem of becoming possible. Therefore, if the stepping action is performed using the same muscle strength as when walking, and this action is the rotational force of the roller, excessive fatigue as described above can be reduced, and a magnificent running can be obtained. The proposal of such a technique has come to be expected.
[0006]
In view of the above circumstances, the present applicant has proposed in Japanese Patent Application No. 2001-217495 a running tool that can obtain a propulsive force by performing a stepping action using the same muscular strength as when walking. Such a traveling tool is connected to the front and rear wheels via a frame, and transmits a lifting operation while transmitting a pair of steps that move up and down by the left and right stepping motions of the rider to the rear wheels. And a transmission mechanism that does not.
[0007]
[Problems to be solved by the invention]
However, in the above running tool, the driving force is not transmitted to the rear wheels after the stepped-on stepped foot reaches the descending end and reaches the ascending end. There was a problem that undulations occurred in the speed. That is, in order to run with the above running tool, it is necessary to step on the left and right feet alternately, but after one foot is stepped on and the foot is fixedly supported, the other foot is lifted and stepped on. Since any running tool may not be able to obtain a driving force, the running speed is uneven and stable running is not possible.
[0008]
The present invention has been made in view of such circumstances, and it is an object of the present invention to provide a traveling tool capable of suppressing the undulation of speed during traveling and achieving more stable traveling.
[0009]
[Means for Solving the Problems]
The invention according to claim 1 is a step on which a foot of a rider can be placed, a first frame extending from the front end side of the step to the rear side and having a rear wheel at the tip, and a rear end of the step A second frame extending from the side to the front side and having a front wheel at the front end while intersecting with the first frame, and supporting both the frames in a swingable position at the intersecting position of the first frame and the second frame, A swing pin that moves up and down in conjunction with the vertical movement of the platform, and when the first frame and the second frame swing around the swing pin as the platform is lowered, the swing operation is applied to the rear wheel. When the first frame and the second frame swing around the swing pin as the step moves up, the swinging motion is transmitted to the rear wheel. Transmission mechanism to block The energy is generated when the step is lowered from the rising end or the vicinity thereof, and the accumulated energy is released when the step reaches the lower end or the vicinity thereof. Energy storage means for rotating the rear wheel, the energy storage means is compressed in the process of lowering the step, and restored to the tension side when the step reaches or near the lower end, and its restoring force And a compression spring that rotates the rear wheel by transmitting to the rear wheel .
[0010]
According to such a configuration, when the rider puts his / her weight on the platform and descends, the swing pin is lowered while swinging the first frame and the second frame, and the swing operation is performed by the transmission mechanism by the rear wheel. The rear wheel rotates and moves forward. Thereafter, if the step is raised, the swing pin is lifted while swinging the first frame and the second frame, but the swing motion is not transmitted to the rear wheel by the transmission mechanism.
[0011]
Here, the energy accumulating means accumulates energy generated in the process of lowering the step, and when the step reaches the lower end or its vicinity, the stored energy is released and the rear wheel is rotated. Even after reaching the descending end or its vicinity, it is obtained.
[0012]
According to a second aspect of the present invention, there is provided a step platform on which a rider's foot can be placed, a first frame extending from the front end side of the step stand to the rear side and having a rear wheel at the tip thereof, and the rear end of the step stand A second frame extending from the side to the front side and having a front wheel at the front end while intersecting with the first frame, and supporting both the frames in a swingable position at the intersecting position of the first frame and the second frame, A swing pin that moves up and down in conjunction with the vertical movement of the platform, and when the first frame and the second frame swing around the swing pin as the platform is lowered, the swing operation is applied to the rear wheel. When the first frame and the second frame swing around the swing pin as the step moves up, the swinging motion is transmitted to the rear wheel. Transmission mechanism to block The energy is generated when the step is lowered from the rising end or the vicinity thereof, and the accumulated energy is released when the step reaches the lower end or the vicinity thereof. Energy storage means for rotating the rear wheel, the energy storage means is expanded in the process of lowering the step, and restored to the compression side when the step reaches the lower end or its vicinity, and its restoring force A tension spring that transmits the torque to the rear wheel to rotate the rear wheel .
[0014]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be specifically described with reference to the drawings.
The traveling tool according to the first embodiment of the present invention travels by converting the stepping motion of the rider into the rotational force of the rear wheel to obtain a propulsive force, and as shown in FIGS. 1 and 2, The main frame includes a step 1, a first frame 2 having a rear wheel 10, a second frame 3 having a front wheel 11, a swing pin 4, a one-way clutch 5, an energy storage unit 6, and a steering unit 26. It is configured.
[0015]
The step 1 is provided with a fixture 7a for fixing a shoe 7 worn by the rider on the upper surface thereof, so that the rider's feet can be placed thereon. On the lower surface of the step 1, a support bracket 8 that supports one end of the first frame 2 on the front end side (left side in FIG. 1) and a support metal that supports one end of the second frame 3 on the rear end side (right side in FIG. 1). Metal fittings 9 are respectively attached. Further, the support fitting 8 is formed with a long hole 8a extending in the horizontal direction (the left-right direction in the figure), and the one end pin 2a protruding from one end of the first frame 2 is inserted into the long hole 8a. The first frame 2 is allowed to be displaced in the same direction.
[0016]
The first frame 2 extends rearward (retracting direction) from the support bracket 8 described above and has a rear wheel 10 at the tip thereof. As shown in FIG. It is mainly composed of a rod-shaped frame 2b and a suspension frame 2c for connecting the rod-shaped frame 2b. The first frame 2 is attached with a transmission mechanism for transmitting a swinging motion around the swing pin 4 of the first frame 2 to the rear wheel 10. Here, the swing pin 4 supports both the frames so as to be swingable at the crossing position of the first frame 2 and the second frame 3, and moves up and down in conjunction with the vertical movement of the step platform 1.
[0017]
The transmission mechanism mainly includes a one-way clutch 5, a chain 14 suspended from sprockets 16 and 17, a chain 18 suspended from sprockets 15 and 21, and a fixture 19. The sprocket 16 is rotatable about the rotation axis of the sprocket 15 and is configured so that the rotation in the forward rotation direction of the sprocket 16 can be transmitted to the sprocket 15 via the one-way clutch 5. A bearing is interposed in the sprocket.
[0018]
A pair of rollers 19 a spaced apart from each other by a predetermined size is disposed on the fixture 19, and the tip of the second frame 3 (more specifically, the pin-shaped member 39 of the energy storage means 6 described later is interposed between the rollers 19 a. The tip is clamped (see FIG. 4). The pin-shaped member 39 is connected to the support member 38 via the movable bush 13, and since the support member 38 is connected to the tip of the second frame 3, when the second frame 3 swings. The chain 14 is configured to operate.
[0019]
The one-way clutch 5 transmits a force for rotating the rear wheel in the forward direction, but does not transmit a force in the opposite direction. The one-way clutch 5 is used for a rear wheel such as a bicycle. be able to. As shown in FIG. 2, the one-way clutch 5 has an outer peripheral surface supported by a housing 22, and a disc spring 23 is disposed via a presser plate 24 to press the end of the housing 22 against the sprocket 15. The housing 22, sprocket 15, presser plate 24, and disc spring 23 function as a torque limiter to prevent the device from being destroyed when an excessive stepping load or reverse rotation of the rear wheel is performed. Note that reference numeral 25 in the figure indicates an adjustment nut for adjusting the pressing force by the disc spring 23.
[0020]
With the transmission mechanism, the first frame 2 and the second frame 3 swing around the swing pin 4 as the step 1 is lowered. Among them, the tip of the pin-shaped member 39 moves in an arc shape by rotating the second frame 3, and the sprocket 16 (and the sprocket 17) is rotated by the rotation of the chain 14. The rotation is transmitted to the sprocket 15 via the one-way clutch 5. If the rotational force is excessive, slippage occurs between the housing 22 and the sprocket 15 and transmission of the rotational force is limited.
[0021]
As the sprocket 15 rotates, the sprocket 21 is rotated via the chain 18, and the rotational force causes the rotating shaft 10 a to rotate together with the rear wheel 10, thereby providing a propulsive force to advance the apparatus. Here, when the step 1 reaches the bottom dead center, the state shown in FIG. 5 is obtained. In the process until the bottom dead center is reached, the energy storage means 6 stores energy, and the energy is stored in the energy. After that, the rear wheel 10 rotates. Details of the energy storage means 6 will be described later.
[0022]
On the other hand, when the step 1 rises after reaching the bottom dead center, the first frame 2 and the second frame 3 are swung in the same manner as described above, and the sprocket 16 is moved in the opposite direction via the chain 14. Although it is rotated, since the transmission of the force thereafter is interrupted by the one-way clutch 5, rotation in the reverse direction with respect to the rear wheel 10 is avoided.
[0023]
The second frame 3 extends from the support bracket 9 to the front side (forward direction) and has a front wheel 11 at the tip thereof. As shown in FIG. 3a and a plate-like frame 3b extending rearward from a part of the short side of the frame 3a. Steering means 26 for steering the front wheels in the direction of the second frame 3 when the second frame 3 is inclined as the step 1 is inclined is disposed at the tip of the second frame 3.
[0024]
The steering means 26 is offset by a predetermined amount with respect to the extending direction of the second frame 3 and is fixed to the distal end of the second frame 3, and the connecting shaft 27 is rotatable in the axial direction. The upper frame 28 to be supported and the two front wheels 11 are attached in parallel to each other via the axle 11a, and the lower frame 29 is attached below the upper frame 28 so as to be rotatable in a plane parallel to the floor surface (see FIG. 3) and an arm pin 30 that extends from the tip of the second frame 3 to the lower frame 29 and changes the inclination of the second frame 3 in the inclination direction of the lower frame 29.
[0025]
The upper frame 28 is rotatably attached to the tip of the connecting shaft 27 by a fixed washer 31, and the lower frame 29 is attached to the upper frame 28 by a pin 32 inserted from the lower surface thereof and is parallel to the floor surface. It can be freely rotated in any direction. Further, the arm pin 30 is fitted to a rotating metal fitting 35 fixed to the tip of the second frame 3 and attached to the lower frame 29.
[0026]
With the above configuration, when the rider inclines to make a turn, the first frame 2 and the second frame 3 and the like are also tilted via the step platform 1. At this time, the second frame 3 is connected to the upper frame 28. And the arm pin 30 also rotates while pushing the lower frame 29 along with the rotation. As a result, the pushed lower frame 29 is steered so that the rider's feet are inclined, that is, toward the inside of the turn. Therefore, if the rider tilts his / her foot during the turn, the front wheel 11 is steered in that direction, so a smoother turn can be realized.
[0027]
Further, as shown in FIG. 3, a ball 34 urged by a spring 33 is disposed on a connection surface with the lower frame 29 of the upper frame 28, and the front wheel 11 moves straight in the straight direction. It is in a state of being fitted into a recess 29a formed on the upper surface of the lower frame 29 in a state of facing. As a result, when the lower frame 29 is rotated to change the direction of the front wheel 11, a force is exerted so that the ball 34 can be accommodated in the recess 29 a, so that the direction of the front wheel 11 is smoothly directed in the normal direction (straight direction) after the turn. It is returned to.
[0028]
Here, the energy storage means 6 is arrange | positioned at the traveling tool which concerns on this embodiment. The energy accumulating means 6 accumulates energy generated in the process in which the step 1 descends from the rising end or its vicinity, and releases the accumulated energy when the step 1 reaches the lower end or its vicinity to release the rear wheel. 4, the compression spring 36, the movable bush 13 and the bush 12 as seats for the compression spring 36, the rod 37 inserted through the compression spring 36, and the second frame, as shown in FIG. 3 and a support member 38 fixed to the rear end of the platform 1.
[0029]
One end of the both ends of the rod 37 is fixed to the support member 38, and the bush 12 is fixed to the other end. The movable bush 13 is connected to the chain 14 via a pin-shaped member 39 and is movable between the bush 12 and the support member 38. Thus, when the tip of the second frame 3 descends as the step 1 descends, the fixing member 19 is pushed down via the pin-like member 39 while compressing the compression spring 36, so that the chain 14, sprocket 16, one-way clutch 5 ( 2), the rear wheel 10 is rotated via the sprocket 15 and the chain 18. By such rotation, the traveling tool gains propulsive force and moves forward.
[0030]
Further, as shown in FIG. 5, when the step 1 comes into contact with the stopper S formed on the second frame 3 to reach the lower end or the vicinity thereof, the compression amount of the compression spring 36 is maximized. In this state, elastic energy is stored in the compression spring 36. That is, the compression spring 36 is compressed while the step 1 is lowered, and the potential energy of the step 1 is accumulated as the elastic energy of the compression spring 36.
[0031]
Thereafter, the compression spring 36 is restored to the pulling side (that is, the side where the spring extends) when the step 1 reaches the descending end or the vicinity thereof, so that the movable bush 13 is pushed down until it comes into contact with the support member 38. Accordingly, the chain 14 rotates through the pin-shaped member 39 and the fixture 19 and the sprocket 16 rotates, so that the rotation is transmitted to the sprocket 15 through the one-way clutch 5 and the rear wheel 10 is rotated. The
[0032]
That is, in addition to the rotation of the rear wheel 10 accompanying the lowering operation of the step 1, the rear wheel 10 is also rotated by the release of stored energy by the subsequent restoration of the compression spring 36, so that after the step 1 reaches the lower end, However, the traveling tool will continue to move forward with the driving force. FIG. 6 shows a state in which the restoring operation of the compression spring 36 is completed (a state in which the compression coil spring 36 is fully extended).
[0033]
Next, a second embodiment according to the present invention will be described.
As illustrated in FIGS. 7 and 8, the traveling tool according to the present embodiment includes a step 1, a first frame 2 including a rear wheel 10, a second frame 3 including a front wheel 11, and a swing pin 4. A one-way clutch (not shown), a steering means 26, and an energy storage means 6 ′ are mainly configured. In addition, the same code | symbol is attached | subjected to the structural member similar to the said 1st Embodiment, and the detail is abbreviate | omitted.
[0034]
As in the first embodiment, the energy accumulating means 6 ′ accumulates energy generated in the process in which the step 1 descends from the rising end or its vicinity, and accumulates when the step 1 reaches the lower end or its vicinity. The rear wheel 10 is rotated by releasing the generated energy, a pair of tension springs 40 disposed along the second frame 3, a support member 41 fixed to the tip of the second frame 3, and the support It is mainly composed of a swinging member 42 that is swingably attached to the member 41.
[0035]
The swing member 42 is coupled to the support member 41 by a pin 43 and is swingable with respect to the support member 41 around the pin 43. The swinging member 42 is formed of a substantially letter-shaped member. A locking pin 44 for locking one end of the tension spring 40 is formed in the vicinity of the tip of the short side, and the vicinity of the tip of the long side is fixed. It is connected to the tool 19. On the other hand, the other end of the tension spring 40 is locked to a locking pin 45 formed at the connecting portion between the second frame 3 and the steering means 26.
[0036]
With the above configuration, when the tip of the second frame 3 descends as the step 1 descends, the fixture 19 is pushed down via the swing member 42 while the tension spring 40 is extended, so that the chain 14, sprocket 16, one-way clutch ( The rear wheel 10 is rotated via the sprocket 15 and the chain 18. By such rotation, the traveling tool gains propulsive force and moves forward.
[0037]
Furthermore, as shown in FIG. 9, when the step 1 reaches the descending end or the vicinity thereof, the tension amount of the tension spring 40 is maximized. In this state, elastic energy is stored in the tension spring 40. That is, the tension spring 40 is pulled while the step 1 is lowered, and the potential energy of the step 1 is accumulated as the elastic energy of the tension spring 40.
[0038]
Thereafter, since the tension spring 40 is restored to the compression side (that is, the side where the spring contracts) when the step 1 reaches the descending end or the vicinity thereof, the swinging member is moved until the locking pin 44 contacts the support member 41. 42 is swung, and the chain 14 is rotated via the fixture 19. When the chain 14 is thus rotated, the sprocket 16 is rotated, and the rotation is transmitted to the sprocket 15 via a one-way clutch (not shown), thereby rotating the rear wheel 10.
[0039]
That is, in addition to the rotation of the rear wheel 10 caused by the lowering operation of the step 1, the rear wheel 10 is also rotated by the release of stored energy due to the subsequent restoration of the tension spring 40, so that the step 1 is the same as in the first embodiment. Even after the vehicle reaches the descending end, the traveling tool continues to move forward with a propulsive force. FIG. 10 shows a state where the restoring operation of the tension spring 40 has been completed (initial state of the tension spring 40).
[0040]
According to the first and second embodiments described above, the rear wheel can be rotated by the energy storage means in addition to the rotation of the rear wheel caused by the stepping on the stepping platform. The difference in propulsive force with the foot-side running tool can be suppressed, and the speed can be stabilized. In addition, since the position of the step board in a state where the rider rides up to a height at which traveling is stable can be lowered, more stable traveling can be realized.
[0041]
As mentioned above, although this embodiment was described, the present invention is not limited to this, and is connected to a front wheel and a rear wheel via a frame, and includes a pair of step platforms that move up and down by stepping motions on the left and right sides of the rider. If it is a running tool with which it accumulates energy generated in the process of lowering the step and releases the energy when the step reaches the lower end or its vicinity, the rear wheel rotates. Form may be sufficient. For example, the transmission mechanism that transmits the lowering operation of the step 1 to the rear wheel 10 may be another general-purpose mechanism and may not have a torque limiter function.
[0042]
【The invention's effect】
According to the first aspect of the present invention, the energy stored in the energy storage means stores energy generated in the process of descending from or near the rising end, and the energy stored when the platform reaches the descending end or in the vicinity thereof. , And the rear wheels rotate, so that the rear wheels can be rotated by the energy storage means in addition to the rotation of the rear wheels by stepping on the stepping platform. Can be achieved.
[0043]
Also has a compression spring energy storage means, which is configured to rotate the rear wheel in the restoring force, the configuration is simple.
[0044]
According to the invention of claim 2 , since the energy storage means has the tension spring and is configured to rotate the rear wheel by its restoring force, the structure is simple and the same effect as that of claim 1 can be obtained. Obtainable.
[Brief description of the drawings]
FIG. 1 is a right side view showing a state where the running tool according to the first embodiment of the present invention is not depressed. FIG. 2 is a top view of the traveling tool. FIG. 3 is a front view of the traveling tool. FIG. 5 is an enlarged schematic diagram showing energy storage means and its vicinity in the traveling tool according to the embodiment of the present invention. FIG. 5 shows a state where the traveling tool according to the first embodiment of the present invention is depressed and the compression spring is compressed. FIG. 6 is a right side view showing a state in which the running tool according to the first embodiment of the present invention is depressed and after the compression spring is restored. FIG. 8 is a right side view showing a state where the running tool according to the second embodiment of the invention is not depressed. FIG. 8 is a top view of the running tool according to the second embodiment of the present invention. And the tension spring is pulled FIG. 10 is a right side view showing a state in which the running tool according to the second embodiment of the present invention is stepped on and after the tension spring is restored. ]
DESCRIPTION OF SYMBOLS 1 ... Step 2 ... 1st frame 3 ... 2nd frame 4 ... Swing pin (fulcrum)
5 ... One-way clutch 6, 6 '... Energy storage means 7 ... Shoes 8, 9 ... Support metal fitting 10 ... Rear wheel 11 ... Front wheel 12 ... Bush 13 ... Movable bushes 14, 18 ... Chains 15, 16, 17, 21 ... Sprocket 19 ... Fixing tool 22 ... Housing 23 ... Belleville spring 24 ... Holding plate 25 ... Adjusting nut 26 ... Steering means 27 ... Connecting shaft 28 ... Upper frame 29 ... Lower frame 30 ... Arm pin 31 ... Fixed washer 32 ... Pin 33 ... Spring 34 ... Ball 35 ... rotating metal fitting 36 ... compression spring 37 ... rod 38 ... support member 39 ... pin-like member 40 ... tension spring 41 ... support member 42 ... swing member 43 ... pin 44, 45 ... locking pin

Claims (2)

A step on which the foot of the rider can be placed;
A first frame extending from the front end side to the rear side of the step stool and having a rear wheel at the tip thereof;
A second frame extending from the rear end side of the step platform to the front side and having a front wheel at the front end while intersecting the first frame;
A swing pin that swingably supports both the frames at the intersection of the first frame and the second frame, and moves up and down in conjunction with the vertical movement of the step board;
When the first frame and the second frame swing around the swing pin in accordance with the lowering operation of the step, the swing operation is transmitted to the rear wheel to rotate, and the step is advanced. A transmission mechanism that blocks transmission of the swinging motion to the rear wheel when the first frame and the second frame swing around the swinging pin as the platform is raised;
A running tool comprising
Energy storage means for accumulating energy generated in the process in which the step platform descends from or near the ascending end and releasing the accumulated energy to rotate the rear wheel when the step reaches the descending end or in the vicinity thereof. The energy storage means is compressed in the process of lowering the step, and restored to the pull side when the step reaches the lower end or its vicinity, and the restoring force is transmitted to the rear wheel to A traveling tool comprising a compression spring for rotating a rear wheel . A step on which the foot of the rider can be placed;
A first frame extending from the front end side to the rear side of the step stool and having a rear wheel at the tip thereof;
A second frame extending from the rear end side of the step platform to the front side and having a front wheel at the front end while intersecting the first frame;
A swing pin that swingably supports both the frames at the intersection of the first frame and the second frame, and moves up and down in conjunction with the vertical movement of the step board;
When the first frame and the second frame swing around the swing pin in accordance with the lowering operation of the step, the swing operation is transmitted to the rear wheel to rotate, and the step is advanced. A transmission mechanism that blocks transmission of the swinging motion to the rear wheel when the first frame and the second frame swing around the swinging pin as the platform is raised;
A running tool comprising
Energy storage means for accumulating energy generated in the process in which the step platform descends from or near the ascending end and releasing the accumulated energy to rotate the rear wheel when the step reaches the descending end or in the vicinity thereof. The energy storage means is extended in the process of lowering the step, and restored to the compression side when the step reaches the lower end or its vicinity, and the restoring force is transmitted to the rear wheel to A traveling tool having a tension spring for rotating a rear wheel .

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