JP3009057U - 4-legged vehicle - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a four-legged traveling body that behaves like an actual four-legged animal. [Structure] A four-legged animal model is supported on a movable body via a support, and front and rear legs of the four-legged animal model are supported by a torso so that they can swing back and forth, and In a four-legged traveling body in which the front leg and the rear leg are rocked back and forth, the lower limb of the front leg can be rocked back and forth with respect to its upper limb, and a part of the lower limb is used as one link. Moreover, a link mechanism using the upper limb as an input link is provided.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 In this invention, the front leg and the rear leg are supported on a movable body through a column, and the front leg and the rear leg are swingably supported by the body portion in the front and rear directions. The swing mechanism allows the front leg and the rear leg to swing back and forth. The present invention relates to a four-legged traveling body.

[0002]

[Prior art]

 As this type of four-legged traveling body, 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 pillar that is erected on a moving body, and a link that is hung on the horse model is connected to an axle of the moving body. The structure is such that the front and rear legs are actuated by a link mechanism as well as being rocked by the lever.

[0004]

[Problems to be solved by the device]

 However, in this conventional four-legged vehicle, the upper and lower limbs of the front and rear legs are integrally formed, and the positional relationship between the upper and lower limbs does not change during traveling. Therefore, although the front and rear legs swing back and forth, there is no scratching action on the front legs, which is far from the image of a racing horse sprinting, and you can enjoy the game as if you were actually racing. It was unsatisfactory for those who wanted it.

The present invention has been made in view of the above problems, and an object thereof is to provide a four-legged traveling body that performs a motion close to that of an actual four-legged animal.

[0006]

[Means for Solving the Problems]

 The four-legged running body according to claim 1 has a four-legged animal model supported on a moving body via a support, and the front and rear legs of the four-legged animal model can swing back and forth on the trunk. In a four-legged running body that is supported by a swing mechanism to swing the front and rear legs back and forth, the lower limb of the front leg can swing back and forth with respect to its upper limb. Further, a link mechanism is provided in which a part of the lower limb is one link and the upper limb is an input link.

A four-legged traveling body according to a second aspect is the four-legged traveling body according to the first aspect, in which the lower limb of the hind leg can swing back and forth with respect to the upper limb thereof. It is characterized in that a link mechanism is provided in which one part is one link and the upper limb is an input link.

[0008]

[Action]

 With this four-legged vehicle, the lower limb of the front leg can swing with respect to the upper limb, and swings with respect to the upper limb, so that it is possible to imitate the forefoot scratching action of a four-legged animal. This makes it possible to realize a four-legged running body that is close to the real thing.

In addition, the lower limbs of the hind legs can be swung with respect to the upper limbs so that the hind legs can move closer to the real thing. It is possible to realize a four-legged vehicle that is closer to

[0010]

【Example】

 Embodiments of the four-legged traveling body according to the present invention will be described below.

FIG. 1 shows a perspective view of a horse racing game device. A track 3 is provided on the upper surface of a table 2 of this horse racing game device, and two four-legged traveling bodies 1, 1 are allowed to travel on the track 3.

That is, as shown in FIG. 2, each of the four-legged traveling bodies 1 and 1 is a horse model 4, and these two horse models 4 are installed below the surface plate 2 a of the table 2. It is supported by separate moving bodies 5. Both ends of a loop-shaped chain 6 are attached to the front and rear of each moving body 5. Further, each chain 6 meshes with another sprocket (not shown), and each sprocket is driven by a separate motor (not shown). The rotation speed of each motor is sequentially controlled by a computer (not shown). As a result, the two horse models 4 are extracted and run on the truck 3 by the rotation of each motor controlled by the computer.

Next, the appearance of the horse model 4 during running will be described. In FIG. 3 (A), the right rear leg 41b lands from the state in which both the front leg 40 and the rear leg 41 are floating in the air. It shows the appearance of the horse model 4 immediately before the start. At this time, the horse model 4 has a shape in which the front leg 40 is thrown forward and the rear leg 41 is thrown backward. Further, FIG. 3B shows the appearance of the horse model 4 with the right rear leg 41b landing. FIG. 3 (C) shows the appearance of the horse model 4 with the left rear leg 41a extended further forward than the state shown in FIG. 3 (B). FIG. 3D shows the appearance of the horse model 4 in a state where the center of gravity of the front leg 40 is moved, the rear leg 41 is separated from the ground, and the front leg 40 is performing a rubbing motion. FIG. 3E shows a state in which the front leg 40 has scratched the ground and both the front leg 40 and the rear leg 41 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 portion 71 and the tail portion 73 are not shown, but the head portion 71 includes the right front leg 40b (see FIG. 2). ) Is lowered when it is thrown forward, and the tail portion 73 is raised when the right hind leg 41b is pulled forward. In this way, the horse model 4 operates almost the same as the movement of a real race horse.

Next, the structure of the four-legged vehicle 1 will be described in detail. As shown in FIG. 2, the four-legged vehicle 1 is roughly composed of a horse model 4 and a moving body 5. .

Of these, 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. And 51. Main wheels 52 are attached to the machine frame 50. The main wheel 52 is composed of a wheel body 52a and an annular rubber body 52b attached to the outer periphery of the wheel body 52a. A part of the main wheel 52 projects downward from an opening (not shown) provided at the bottom of the machine frame 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. Further, bosses 55 having spring receiving holes 55a are provided in front and rear of the machine frame 50, and springs 56 are installed in the spring receiving holes 55a of each boss 55. Slits 55b are provided on both sides of each boss 55, and the shaft 58 can be moved up and down along the slits 55b. The auxiliary wheel 57 attached to each shaft 58 includes a wheel body 57a and an annular rubber body 57b fitted on the outside of the wheel body 57a. In addition, a pin 50a is attached to the front and rear of the lower side of the machine frame 50, and the pin 50a 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 in front of and behind the pressing plate 51, and a part of the auxiliary wheels 57 is projected upward from the notches 51a. There is. The retainer plate 51 functions as a retainer for the shaft 58 that is biased upward by the spring 56.

As shown in FIGS. 5 (A) and 5 (B), the moving body 5 configured as described above includes a surface plate 2 a of the table 2 and an intermediate plate 2 b provided below the surface plate 2 a. It is put in between. At this time, the main wheel 52 comes into contact with the upper surface of the intermediate 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. Even if the moving body 5 shakes when the chain 6 is driven, one of the front and rear auxiliary wheels 57 is surely operated by the spring 56, as shown in FIG. 5C. Since it contacts the lower surface, the main wheel 52 reliably rolls on the upper surface of the intermediate plate 2b. In FIG. 5C, the chain 6 is omitted, and the expression is exaggerated than it actually is.

Further, as shown in FIG. 4, hollow columns 61 are erected on the holding plate 51 of the moving body 5. The support column 61 is composed of a lower support column 61a and an upper support column 61b fitted to the upper part of the lower support column 61a, and a power transmission shaft 62 is passed through the support column 61. A pinion gear 63 that meshes with the crown gear 54 is mounted on the lower end of the power transmission shaft 62. 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-type attachment component 65 attached to the upper column 61b, and a part of the worm gear 64 is exposed from the notch 65a of the attachment component 65. are doing.

As shown in FIG. 2, the horse model 4 is roughly divided into a body portion 70, a head portion 71, leg portions 72, and a tail portion 73. As shown in FIG. 6, a pair of mounting plates 74 and 74 are disposed in the left and right body frames 70a and 70b that form the outer shell of the body portion 70. A helical gear 75 that meshes with the worm gear 64 is attached to the pair of mounting plates 74, 74. Double cams 76 are attached to 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 is composed of a cam 76c for operating the right front leg 40b and a cam 76d for operating the right rear leg 41b. 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. The cam 76a has a bifurcated portion 77a at one end of the lever 77, the cam 76b has a bifurcated portion 78a at one end of the lever 78, and the cam 76c has a bifurcated portion 79a at one end of the lever 79. The bifurcated portion 80a of the lever 80 is engaged with the cam 76d. These levers 77, 78, 79 and 80 respectively swing around the axis s. Gears 77b, 78b, 79b, 80b are partially attached to the other ends of these levers 77, 78, 79, 80, respectively. The gears 77b, 78b, 79b, 80b are the upper limbs 40a-1 of the left front leg 40a, the upper limbs 41a-1 of the left rear leg 41a, the upper limbs 40b-1 of the right front leg 40b, and the upper limbs 41b- of the right rear leg 41b. The gears 1 attached to the gears 1 mesh with each other. Therefore, when the main wheel 52 rolls on the middle plate 2b, the upper limbs 40a-1, 41a-1, 40b-1, 41b-1 swing back and forth through the swinging mechanism. A worm wheel may be provided instead of the helical gear 75, and a bevel gear set may be provided instead of the worm gear 64 and the helical gear 75.

Further, the upper limb 40a-1 of the left front leg 40a, the upper limb 41a-1 of the left hind leg 41a, the upper limb 40b-1 of the right front leg 40b, and the upper limb 41b-1 of the right hind leg 41b respectively include the lower limb 40a. -2, 41a-2, 40b-2, 41b-2 are attached so as to be swingable around the swing shaft 91 (see FIGS. 6, 11, 12, 14, and 15). The lower limbs 40a-2, 41a-2, 40b-2, 41b-2 are provided with connecting pins (links) 81a at positions apart from the center of the swing shaft 91 so as to form a pair with the lower limbs. , 81b, 81c, 81d are attached at one end (see FIG. 10, FIG. 11, FIG. 13, and FIG. 14). On the other hand, in the upper limbs 40a-1, 41a-1, 40b-1, 41b-1, there are provided internal grooves 83a, 83b, 83c, 83d at positions distant from the center of the swing (swing shaft 82), respectively. The guide grooves 83a, 83b, 83c, 83d are provided with sliders 84a, 84b, 84c, 84d (see FIG. 6) that make pairs with the other ends of the connecting pins 81a, 81b, 81c, 81d, respectively. is set up. The sliders 84a, 84b, 84c, 84d are configured to be movable in the inner grooves 83a, 83b, 83c, 83d, respectively, and are engaged with the cams 85a, 85b, 85c, 85d on the back side. That is, pins 84a-1, 84b-1, 84c-1, 84d-1 are attached to the back sides of the sliders 84a, 84b, 84c, 84d, respectively, and these pins 84a-1, 84b-1, 84c- are attached. 1, 84d-1 are engaged with the cam grooves of the cams 85a, 85b, 85c, 85d, respectively.

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

The cams 85a and 85c are symmetrically configured. 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. A step is formed at the connecting portion between the curved grooves 85a-1 and 85a-2. The step functions to prevent the pin 84a-1 of the slider 84a from returning when tracing the cam groove. 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.

Explaining the function of the cam 85a, 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 in the vicinity and is aligned with the upper limb 40a-1. Next, as shown in FIG. 16 (B), when the upper limb 40a-1 comes to the intermediate position, the pin 84a-1 is in the vicinity of the rear connecting portion on the curved groove 85a-1, and the lower limb 40a- 2 is bent slightly rearward with respect to the upper limb 40a-1. When the upper limb 40a-1 swings forward as shown in FIGS. 16C, 16D, and 16E, the pin 84a-1 moves forward on the curved groove 85a-2, With the movement, the lower limb 40a-2 is bent more than the upper limb 40a-1. Then, the state of FIG. 16 (F), that is, the state of FIG. 16 (A) is restored.

On the other hand, the cam grooves of the cams 85b and 85d are also symmetrically formed. Therefore, if only the cam 85b is described, the cam groove of the cam 85b is composed of a single curved groove 85b-1 as shown in FIG. 9, and the curved groove 85b-1 has a rear end bounced. It has a raised shape.

Explaining the function of the cam 85b, as shown in FIG. 17A, when the upper limb 41a-1 swings forward, the pin 84b-1 is on the front side of the curved groove 85b-1. , The lower limb 41a-2 is bent forward with respect to the upper limb 41a-1. Then, as shown in FIGS. 17B to 17D from the state of FIG. 17A, when the upper limb 41a-1 swings backward, the lower limb 41a-2 is aligned with the upper limb 41a-1. Shape. As shown in FIGS. 17E and 17F from the state of FIG. 17D, when the upper limb 41a-1 swings forward, the lower limb 41a-2 is gradually bent with respect to the upper limb 41a-1. Let

Next, the attachment structure of the head portion 71 will be described. As shown in FIG. 7, the head portion 71 is attached to the body portion 70 so as to be able to swing back and forth about a swing shaft 71a. Further, a position apart 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 portion 71 to swing back and forth around the swing shaft 71a. By the movement of the head 71, it is possible to more delicately express the feeling of dynamism when the horse runs.

As shown in FIG. 7, the tail portion 73 is attached to the body portion 70 so as to be swingable about a shaft 73a. A projecting piece 73b that imitates the base end of the tail portion 73 is attached to the upper limb 41b-1 of the right rear leg 41b. Then, the upper limb 41b-1 follows the base end of the tail portion 73 and comes into contact with the lower step portion, and the tail portion 73 is lifted by pushing down the step portion. By the operation of the tail portion 73, it is possible to more delicately express the feeling of dynamism when the horse runs. The tail portion 73 hangs down by its own weight.

Next, the jockey model 95 that rides 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 trunk so that they can swing back and forth. ing. Further, the left arm 95a and the right arm 95b hold a shaft 97 that penetrates 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 fits into the body portion 70b. Therefore, when the head portion 71 swings forward, the body of the jockey model 95 is pulled forward and the waist floats, so that the appearance of the jockey desperately holding the reins can be expressed so as not to fall from the horse. Become.

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 the link mechanism using the upper limbs 40a-1 and 40b-1 as input links, the front leg 40 is allowed to perform the scraping operation. As a result, the horse model 4 can be caused to perform a motion close to that of the real thing. Further, since the lower limbs 41a-2 and 41b-2 of the hind legs are operated by the link mechanism using the upper limbs 41a-1 and 41b-1 as force links, the operation of the hind legs 41 is also performed. Since it can be brought closer to the real thing, it is possible to realize a four-legged traveling body that is closer to the real thing.

In addition, since the slider 84a and the like are added to the link mechanism and the movement of the slider 84a and the like is controlled by the cam 85a and the like, the movement of the delicate front legs of an actual horse is comparatively performed. It will be possible to faithfully reproduce. In particular, it is possible to faithfully reproduce delicate motions such as the front leg scraping motion.

Further, the moving body 5 is provided with auxiliary wheels 57, and the auxiliary wheels 57 are configured to reliably transmit the power of the main wheels 52 to the horse model 4 side. Leg movements never stop.

Further, both the head 71 and the tail 73 operate, and further, the jockey model 95 also operates in accordance with the operation of the head 71, so that a more realistic horse model 4 can be realized.

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

For example, in the above-described embodiment, the operation of the front leg 40 is changed depending on whether the front leg is swung forward or backward, but the operation of the rear leg 41 is also swung forward. Alternatively, it may be changed depending on the time of swinging to the rear side. Then, the rear legs 41 can perform delicate movements.

Further, in the above-described embodiment, the movable body 5 is moved by the chain. However, instead of the chain, an annular rack (gear) is provided, and the movable body 5 is attached to this annular rack. The moving body 5 may be moved by driving it via a gear mechanism. 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 this magnet with an electromagnet or the like.

A mechanism for slightly swinging the entire horse model 4 back and forth may be provided to swing the horse model 4 slightly back and forth during traveling. By doing this, 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, but it may be a dog model or another four-legged animal.

[0039]

[Effect of device]

 According to the present invention, a four-legged animal model is supported on a moving body via a support, and the front and rear legs of this four-legged animal model are supported on the trunk so that they can swing back and forth and swing. In a four-legged traveling body in which the front leg and the rear leg are rocked back and forth by a moving mechanism, the lower limb of the front leg can rock back and forth with respect to its upper limb, and a part of the lower limb described above. Since a link mechanism is provided in which the above is one link and the upper limb is an input link, it is possible to realize a four-legged traveling body that behaves like an actual four-legged animal.

[Brief description of 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 a moving body.

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

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

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

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

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 part cut away.

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

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

FIG. 17 is a diagram showing an operation of a rear leg.

[Explanation of symbols]

 1 Four-legged 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

Claims (2)

[Scope of utility model registration request] 1. A four-legged animal model supported on a moving body via a column, and front and rear legs of the four-legged animal model are supported by a torso so as to be able to swing back and forth, and a swinging mechanism. In a four-legged traveling body in which the front leg and the rear leg are swung back and forth by the above, the lower limb of the front leg can swing back and forth with respect to its upper limb, and a part of the lower limb is A four-legged traveling body, which is provided with a link mechanism having a link and using the upper limb as an input link. 2. A link mechanism in which the lower limb of the hind leg is swingable back and forth with respect to the upper limb, and a part of the lower limb is one link and the upper limb is an input link. The four-legged traveling body according to claim 1, wherein the four-legged traveling body is provided.