JP3295557B2 - 4-leg running body - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for supporting a front leg and a rear leg on a moving body via a support column, the front leg and the rear leg being swingably movable back and forth by a torso. The present invention relates to a four-legged traveling body that is configured to swing.

[0002]

2. Description of the Related Art As a four-legged traveling body of this kind, for example,
The one described in Japanese Utility Model Laid-Open No. 1-152698 is known.

In the four-legged traveling body described in this publication, a horse model is swingably attached to a column erected on the moving body,
The structure is such that the link hanging from the horse model is swung by a crank connected to the axle of the moving body, and the front leg and the rear leg are operated by the link mechanism.

[0004]

However, in this conventional four-legged running body, especially the upper limb and the lower limb of the front leg and the rear leg are formed integrally, and the positional relationship between the upper limb and the lower limb is changed during running. Absent. For this reason, although the front and rear legs swing back and forth, there is no squeezing motion of the front legs, and it is far from the image of racing horses running, so you can enjoy the game with the same feeling as actual horse racing. It was unsatisfactory for those who wished.

[0005] The present invention has been made in view of the above problems, and has as its object to provide a four-legged traveling body that performs an operation similar to an actual four-legged animal.

[0006]

The four-legged vehicle according to the first aspect has a four-legged animal model supported on a moving body via a support, and the front leg and the rear leg of the four-legged animal model have a four-legged animal model. In a four-legged traveling body supported by a torso so as to be able to swing back and forth, and the front leg and the rear leg are swung back and forth by a swinging mechanism, the upper leg of the front leg is swung back and forth by the swinging mechanism.
At least the lower limb of the front leg is swingable back and forth with respect to the upper limb, and the lower limb rotates with the lower limb at a position away from the center of swing of the lower limb. One end of the link is attached so as to form a pair, and the upper limb is provided with a guide groove at a position distant from the center of its swing, and the guide groove includes a slider that turns around the other end of the link and forms a pair. And a slider is provided on the slider, and the slider is engaged with a cam groove provided in a fixing portion of the body.

According to a second aspect of the present invention, there is provided the four-legged traveling body according to the first aspect, wherein the cam groove projects when the upper limb swings forward and backward. It is configured by connecting two grooves so that the child can follow different paths.

According to a third aspect of the present invention, there is provided the four-legged traveling body, wherein a step is provided at a connecting portion between the two grooves to prevent the protrusion from returning.

[0009]

According to this four-legged running body, the lower limb of the front leg can swing with respect to the upper limb, and swings with respect to the upper limb. As a result, it is possible to realize a four-legged traveling body that is close to the real thing.

In particular, since the other end of the link, one end of which is a pair with the lower limb, is connected to the slider and the movement of the slider is regulated by the cam, the delicate front legs of the four-legged animal can be relatively controlled. It can be faithfully reproduced.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a four-legged traveling body according to the present invention will be described below.

FIG. 1 is a perspective view of a horse racing game machine. A track 3 is provided on the upper surface of the table 2 of the horse racing game device, and two four-leg traveling bodies 1 and 1 run on the track 3.

That is, as shown in FIG. 2, each of the four-legged running bodies 1 and 1 is a horse model 4, and the two horse models 4 are installed below the surface plate 2a of the table 2. Supported by separate moving bodies 5. In addition, both ends of a loop-shaped chain 6 are attached to the front and rear of each moving body 5. Further, each chain 6 is engaged with a separate sprocket (not shown).
They are driven by separate motors (not shown). The rotation speed of each motor is sequentially controlled by a computer (not shown). As a result, by the rotation of each motor controlled by the computer,
Two horse models 4 are pulled out and run on the truck 3.

Next, the posture of the horse model 4 during traveling will be described. FIG. 3A shows that the right rear leg 41b lands from the state where both the front leg 40 and the rear leg 41 are floating in the air. This shows the appearance of the horse model 4 immediately before. At this time, the model horse 4 has a shape in which the front leg 40 is thrown forward and the rear leg 41 is thrown backward. FIG. 3B shows the right rear leg 41.
b shows the appearance of the horse model 4 in a state where it has landed. FIG.
(C) shows the horse model 4 in a state where the left rear leg 41a is extended further forward than the state of FIG. 3 (B).
FIG. 3D shows that the center of gravity of the front leg 40 is shifted to the rear leg 41.
Shows the state of the horse model 4 in a state where the horse model 4 is separated from the ground and is performing a scraping operation by the front legs 40. FIG. 3 (E)
Rubs the ground with the front legs 40, and the front legs 40 and the rear legs 41
Both show their appearance when they are floating in the air. In FIG. 3, since the movements of the front leg 40 and the rear leg 41 are mainly shown, the movements of the head 71 and the tail 73 are not shown.
(See FIG. 2) is lowered when thrown forward, and the tail 73 is raised when the right rear leg 41b is pulled forward. In this way, the horse model 4 performs almost the same operation as the movement of a real racing horse.

Next, the structure of the four-legged traveling body 1 will be described in detail. The four-legged traveling body 1 is roughly divided as shown in FIG.
It comprises a horse model 4 and a moving body 5.

First, the moving body 5 will be described. As shown in FIG. 4, the moving body 5 includes a box-shaped machine frame 50 and a holding plate screwed to the upper end of the machine frame 50. 51. Main wheels 52 are attached to the machine frame 50. The main wheel 52 includes a wheel body 52
a and an annular rubber body 52b attached to the outer periphery of the wheel body 52a. This main wheel 52
Has a part protruding downward from an opening (not shown) provided at the bottom of the machine casing 50. A crown gear 54 is attached to the axle 53 to which the main wheel 52 is attached so as to rotate integrally with the main wheel 52. Bosses 55 having spring receiving holes 55a are provided before and after the inside of the machine frame 50, respectively.
A spring 56 is provided on 5a. Slits 55b are provided on both sides of each boss 55, and the shaft 58 can move up and down along the slits 55b. An auxiliary wheel 57 attached to each shaft 58 includes a wheel body 57a.
And an annular rubber body 57 fitted on the outside of the wheel body 57a.
b. In addition, a pin 50a is provided before and after the lower side of the machine casing 50,
a is fitted to the bush at each end of the chain 6.

The holding plate 51 is screwed to the boss 50. A total of four notches 51a for receiving the auxiliary wheels 57 are provided before and after the press plate 51, and a part of the auxiliary wheels 57 projects upward from the notches 51a. . This holding plate 51
It functions as a presser for the shaft 58 urged upward by the spring 56.

The moving body 5 constructed as described above
Is inserted between the surface plate 2a of the table 2 and the middle plate 2b provided below the surface plate 2a, as shown in FIGS. At this time, the main wheel 52 comes into contact with the upper surface of the middle plate 2b, and the auxiliary wheel 57 comes into contact with the lower surface of the surface plate 2a by the action of the spring 56. In addition, even if the moving body 5 shakes when the chain 6 is driven, one of the front and rear auxiliary wheels 57 is securely moved by the action of the spring 56 as shown in FIG. Since it is in contact with the lower surface, the main wheels 52 reliably roll on the upper surface of the middle plate 2b. In FIG. 5C, the chain 6 is omitted, and the chain 6 is exaggerated.

Further, a hollow support 61 is erected on the holding plate 51 of the moving body 5 as shown in FIG. This pillar 6
Reference numeral 1 denotes a lower column 61a and an upper column 61b fitted to the upper portion of the lower column 61a. A power transmission shaft 62 passes through the column 61. A pinion gear 6 meshing with the crown gear 54 is provided at a lower end of the power transmission shaft 62.
3 is mounted on the shaft. On the other hand, a worm gear 64 is mounted on the upper end of the power transmission shaft 62. The worm gear 64 is attached to the power transmission shaft 62 so as to be surrounded by a box-shaped attachment part 65 attached to the upper column 61b, and a part of the worm gear 64 is exposed from a notch 65a of the attachment part 65. ing.

As shown in FIG. 2, the horse model 4 is roughly divided into a trunk 70, a head 71, a leg 72, and a tail 73. As shown in FIG. 6, a pair of mounting plates 74, 74 are disposed in the left and right torso frames 70a, 70b constituting the outer shell of the torso 70. This pair of mounting plates 7
The helical gear 75 meshing with the worm gear 64 is attached to the gears 4 and 74. Double cams 76 are provided on the left and right sides of the helical gear 75, respectively. As shown in FIG. 7, the left double cam 76 includes a cam 76a for operating the left front leg 40a and a cam 76b for operating the left rear leg 41a. On the other hand, the right double cam 76 has a cam 76c for operating the right front leg 40b and a cam 7c for operating the right rear leg 41b.
6d. Here, the cam 76a and the cam 76c are out of phase with each other, and the cam 76c and the cam 76d are also out of phase with each other. And cam 7
6a is provided with a bifurcated portion 77a at one end of the lever 77.
6b is provided with a bifurcated portion 78a at one end of the lever 78.
6c is provided with a fork 79a at one end of the lever 79.
The forked portion 80a of the lever 80 is engaged with 6d.
These levers 77, 78, 79, and 80 swing about the axis s. In addition, these levers 77, 78, 7
The other ends of the gears 9 and 80 are partially gears 77b and 78, respectively.
b, 79b and 80b are additionally provided. And gear 7
7b, 78b, 79b and 80b are the upper limb 40a-1 of the left front leg 40a, the upper limb 41a-1 of the left rear leg 41a, and the right front leg 4
0b upper limb 40b-1, right hind leg 41b upper limb 41b-1
And gears g respectively attached thereto. Therefore, when the main wheel 52 rolls on the middle plate 2b, the upper limbs 40a-1, 41a-1, 40b-1, 4
1b-1 will swing back and forth. Note that a worm wheel may be provided instead of the helical gear 75, and a set of bevel gears may be provided instead of the worm gear 64 and the helical gear 75.

The upper limb 40a-1 of the left front leg 40a, the upper limb 41a-1 of the left rear leg 41a, and the upper limb 40 of the right front leg 40b.
b-1 and the upper limb 41b-1 of the right hind leg 41b are attached to the lower limb 40a-2, 41a-2, 40b-2, 41b, respectively.
-2 is attached so as to be swingable about the swing shaft 91 (see FIGS. 6, 11, 12, 14, and 15). Each of the lower limbs 40a-2, 41a-2, 40b-2, and 41b-2 has a connecting pin (link) 81 at a position away from the center of the swing shaft 91 so as to form a pair with the lower limb.
One end of each of a, 81b, 81c, and 81d is attached (see FIGS. 10, 11, 13, and 14). On the other hand, the upper limbs 40a-1, 41a-1, 40b-1, and 41b-1 are provided with guide grooves 83a, 83b, 83c, and 83d at positions away from the center of the swing (the swing axis 82). The connecting pins 81a, 81b, 81c, 81d are respectively provided in the guide grooves 83a, 83b, 83c, 83d.
Sliders 84a, 84b, 84 which form a pair with the other end of the slider
c, 84d (see FIG. 6). The sliders 84a, 84b, 84c, 84d are configured to be movable in the guide grooves 83a, 83b, 83c, 83d, respectively, and the cams 85a, 85b, 85c,
85d. That is, the sliders 84a, 84
4b, 84c, and 84d are provided with pins 84, respectively.
a-1, 84b-1, 84c-1, 84d-1 are attached to the pins 84a-1, 84b-1, 84c-1, 8
4d-1 are cams 85a, 85b, 85c, respectively.
It is engaged with the 85d cam groove.

Next, the cams 85a, 85b, 85c, 85
d will be described.

The cams 85a and 85c are symmetrical. Therefore, if only the cam 85a is described, the cam groove of the cam 85a has a structure in which the curved grooves 85a-1 and 85a-2 are connected as shown in FIG. The bottom surface of the curved groove 85a-1 has an upward slope toward the right side in the figure, while the bottom surface of the curved groove 85a-2 has an upward slope toward the left side in the figure. And the curved groove 85
A step is formed at the connection between a-1 and 85a-2. The step serves to prevent the pin 84a-1 of the slider 84a from returning backward when tracing the cam groove. In addition,
As shown in FIGS. 10 and 11, a leaf spring 86 is provided to press the pin 84a-1 against the bottom surface of the cam groove.

The function of the cam 85a will be described. As shown in FIG. 16A, when the upper limb 40a-1 swings forward, the pin 84a-1 is connected to the front connecting portion on the curved groove 85a-1. The lower limb 40a-2 is located near the upper limb 4
Make it linear with 0a-1. Then, FIG.
As shown in (B), when the upper limb 40a-1 comes to the intermediate position, the pin 84a-1 is at a position near the rear connecting portion on the curved groove 85a-1, and the lower limb 40a-2 is moved to the upper limb 40a-1. Bend slightly backward. Further, FIG.
As shown in (C), (D) and (E), the upper limb 40a-
1 swings forward, the pin 84a-1 is bent into a curved groove 85a-.
2 to move forward on the upper limb 4
0a-2 is bent more with respect to the upper limb 40a-1. Then, the state is returned to the state shown in FIG.

On the other hand, the cam grooves of the cams 85b and 85d are also formed symmetrically. Therefore, only the cam 85b will be described.
As shown in FIG. 5, the curved groove 85b-1 has a shape in which the rear end jumps up.

To explain the function of the cam 85b, as shown in FIG. 17A, when the upper limb 41a-1 swings forward, the pin 84b-1 is located on the front side on the curved groove 85b-1. Then, the lower limb 41a-2 is bent forward with respect to the upper limb 41a-1. Then, as shown in FIGS. 17B to 17D, the upper limb 41a-
When 1 swings backward, the lower limb 4 is moved with respect to the upper limb 41a-1.
1a-2 is made linear. Also, as shown in FIGS. 17E and 17F, when the upper limb 41a-1 swings forward from the state of FIG. 17D, the lower limb 41a-2 is gradually bent with respect to the upper limb 41a-1. Let it.

Next, the mounting structure of the head 71 will be described. As shown in FIG. 7, the head 71 is mounted on the body 70 so as to be able to swing back and forth about a swing shaft 71a.
A position separated from the swing shaft 71a and the lever 79 are connected by a connecting pin 71b. Therefore, the operation of the lever 79 causes the head 71 to swing back and forth about the swing shaft 71a. By the movement of the head 71, the dynamism of the horse when running can be expressed more delicately.

As shown in FIG. 7, the tail 73 is attached to the body 70 so as to be swingable about a shaft 73a. A projecting piece 73b that follows the base end of the tail 73 is attached to the upper limb 41b-1 of the right hind leg 41b. Then, the upper limb 41b-1 follows the base end of the tail portion 73 and abuts on the lower step portion, and pushes down the step portion to thereby cause the tail portion 7 to move downward.
3 is lifted. By the operation of the tail 73, the dynamism of the horse when the horse runs can be expressed more delicately. In addition, the tail part 73 hangs down by its own weight.

Next, the jockey model 95 riding on the horse model 4 will be described. As shown in FIG. 6, the left arm 95a and the right arm 95b of the jockey model 95 are attached to the torso so as to swing back and forth. ing. The left arm 95a and the right arm 95b hold a shaft 97 that passes through the hole 71c of the head 71 of the horse model 4. On the other hand, a pin is attached to the heel portion of the jockey model 95, and the pin is fitted to the trunk 70b. Accordingly, when the head 71 swings forward, the body of the jockey model 95 is pulled forward and the waist is lifted, and the figure of a jockey holding the reins desperately so as not to fall from the horse can be expressed. .

According to the four-legged traveling body 1 configured as described above, the following effects can be obtained.

That is, since the lower limbs 40a-2 and 40b-2 are operated by link mechanisms using the upper limbs 40a-1 and 40b-1 as input links, respectively.
The front leg 40 can perform the scraping operation, and it is possible to cause the horse model 4 to perform an operation close to the real thing. Further, since the lower legs 41a-2 and 41b-2 of the rear legs are operated by link mechanisms using the upper legs 41a-1 and 41b-1 as force links, respectively,
Since the operation 1 can also be made closer to the real thing, the realization of a four-legged traveling body closer to the real thing can be achieved.

In addition, a slider 84a is attached to the link mechanism.
Since the movement of the slider 84a and the like is controlled by the cam 85a and the like, the delicate movement of the front legs of the actual horse can be reproduced relatively faithfully. In particular, it is possible to faithfully reproduce a delicate operation such as a scraping operation of the front leg.

The moving body 5 is provided with an auxiliary wheel 57, and the power of the main wheel 52 is reliably transmitted to the model horse 4 by the auxiliary wheel 57. There is no stopping of leg movement.

Furthermore, since the head 71 and the tail 73 also operate, and the jockey model 95 also operates in accordance with the operation of the head 71, a more realistic real horse model 4 can be realized.

Although the embodiments of the present invention have been described above, the present invention is not limited to such embodiments, and various modifications can be made without departing from the gist of the present invention.

For example, in the above-described embodiment, the operation of the front leg 40 is changed between when the front leg swings forward and when the rear leg swings. However, the operation of the rear leg 41 also changes when the front leg swings forward. You may make it change at the time of rocking to the back side. that way,
A delicate operation can be performed by the rear leg 41.

In the above embodiment, the moving body 5 is moved by the chain. However, instead of the chain, an annular rack (gear) is provided, and the moving body 5 is mounted on the annular rack. The moving body 5 may be moved by driving via a gear mechanism. Further, instead of the chain 6, a magnet may be provided on the moving body 5, and the moving body 5 may be moved by attracting the magnet with an electromagnet or the like.

It is also possible to provide a mechanism for slightly swinging the entire horse model 4 back and forth, and slightly swing the horse model 4 back and forth during traveling. In this way, it becomes closer to the real thing.

Further, in the above-described embodiment, the case where the main body of the four-legged traveling body 1 is the horse model 4 has been described. However, it may be a dog model or another four-legged animal.

[0040]

According to the present invention, there is provided a four-legged animal model supported on a moving body via a column, and the front leg and the rear leg of the four-legged animal model can swing back and forth on the trunk. In a four-leg traveling body supported and swinging the front leg and the rear leg back and forth by a swinging mechanism, the swinging mechanism
The upper limb of the front leg is configured to swing back and forth , at least the lower limb of the front leg is swingable back and forth with respect to the upper limb, and the lower limb is separated from the center of swing of the lower limb. One end of the link is attached to the lower limb so as to form a pair with the lower limb, and the upper limb is provided with a guide groove at a position distant from the center of the swing. A slider forming a pair with the other end is installed, and furthermore, a slider is attached to the slider, and the slider is engaged with a cam groove provided in a fixed portion of the body, so that the actual It is possible to realize a four-legged traveling body that performs an operation similar to a four-legged animal.

[Brief description of the drawings]

FIG. 1 is a perspective view of a horse racing game device.

FIG. 2 is a perspective view of a four-legged traveling body.

FIG. 3 is a side view showing the operation of the four-legged traveling body.

FIG. 4 is an exploded perspective view of the moving body.

FIG. 5 is a diagram for explaining the function of an auxiliary wheel of a moving body.

FIG. 6 is an exploded perspective view of the horse model.

FIG. 7 is a perspective view of a swing mechanism.

FIG. 8 is a configuration diagram of a cam for a front leg.

FIG. 9 is a configuration diagram of a cam for a rear leg.

FIG. 10 is a rear view of the front leg with a part cut away.

FIG. 11 is a side view of the front leg with a part removed.

FIG. 12 is a rear view of the front leg with a portion cut away.

FIG. 13 is a rear view of the front leg with a portion cut away.

FIG. 14 is a side view of the front leg with a part removed.

FIG. 15 is a rear view of the front leg with a portion cut away.

FIG. 16 is a diagram showing the operation of the front legs.

FIG. 17 is a view showing the operation of the rear leg.

[Explanation of symbols]

 14 Four-leg traveling body 5 Moving body 40 Front leg 41 Rear leg 81a, 81b, 81c, 81d Connecting pin 84a, 84b, 84c, 84d Slider 85a, 85b, 85c, 85d Cam

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-57-164082 (JP, A) JP-A-61-125368 (JP, A) JP-A 1-152698 (JP, U) JP-A 2-126 74097 (JP, U) (58) Field surveyed (Int. Cl. ⁷ , DB name) A63H 11/12

Claims (3)

(57) [Claims] 1. A four-legged animal model supported on a moving body via a support, wherein a front leg and a rear leg of the four-legged animal model are supported by a torso so as to be able to swing back and forth, and a swing mechanism is provided. In the four-legged running body configured to swing the front leg and the rear leg forward and backward by the swing mechanism, the upper limb of the front leg is moved by the swing mechanism.
Is configured to swing back and forth , at least the lower limb of the front leg is swingable back and forth with respect to the upper limb,
One end of a link is attached to the lower limb at a position distant from the center of the swing of the lower limb so as to form a pair with the lower limb, and the upper limb is guided to a position away from the center of the swing of the lower limb. A groove is provided, and in this guide groove, a slider is provided which is paired with the other end of the link, and further,
A four-legged traveling body, wherein a protrusion is attached to the slider, and the protrusion is engaged with a cam groove provided in a fixing portion of the body. 2. The cam groove is formed by connecting two grooves so that the projection can follow different paths when the upper limb swings forward and backward. The four-legged traveling body according to claim 1, wherein the traveling body is configured. 3. The four-legged traveling body according to claim 2, wherein a step is provided at a connecting portion of the two grooves to prevent the protrusion from returning.