JP2518461Y2 - Video camera toy - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a video camera toy, and more specifically, a lens barrel for supporting an objective lens moves in and out of a housing, and at the same time, performs a pivotal motion about an optical axis. It relates to a video camera toy.

[0002]

2. Description of the Related Art As a video camera toy, one having a structure in which a lens barrel for supporting an objective lens is provided so as to be able to move in and out of a housing is conventionally known. In this conventional video camera toy, the lens barrel is moved in and out of the housing manually or electrically.

[0003]

However, the conventional video camera toy has the following problems. That is, according to the electric type of conventional video camera toys, unlike a real video camera, the lens barrel simply moves in and out of the housing, and the lens barrel moves around the optical axis of the objective lens. Since it did not rotate, it was far from the actual video camera, and it was less interesting and less interesting.

On the other hand, according to the conventional manual video camera toy, the lens barrel can be moved in and out of the housing and can be rotated around the optical axis, but unlike a real video camera. Because it cannot be automatically zoomed, it was unsatisfactory for children who want a toy that is close to the real thing.

The present invention has been made in view of the above problems, and provides a video camera toy in which a lens barrel can be moved in and out and rotated about an optical axis by a motor drive. It is an object.

[0006]

A video camera toy according to the present invention is a video camera toy in which a lens barrel is moved in and out of a housing by an operation of an external operation section, and a guide pin (or A guide groove), and the housing is engaged with the guide pin (or the guide groove) to cause the lens barrel to rotate about the optical axis as the lens barrel moves in and out. A guide member having a guide groove (or guide pin) is provided.

[0007]

According to the above-mentioned means, since the lens barrel pressing member driven by the motor moves the lens barrel into and out of the housing, the guide member causes the lens barrel to rotate. Realization of a video camera toy close to

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a video camera toy according to the present invention will be described below in detail with reference to the drawings.

FIG. 1 shows the appearance of the video camera toy of the embodiment. The outline of the video camera toy 1 will be described. In the housing 2 of the video camera toy 1, an eye cup 3 made of rubber or plastic is attached to the photographer side (front side). An eyepiece lens 3a (see FIG. 2) is arranged inside the eyecup 3. On the other hand, a lens barrel 5 is provided on the subject side of the housing 2. The lens barrel 5 supports the objective lens 4 (see FIG. 4), and is configured to be movable in the optical axis direction of the lens, and is rotated with respect to the optical axis in accordance with the movement. It is made possible. These operations are performed by operating a zooming button (external operation unit) 6 provided on the outside of the housing 2. A cassette 7 is set on the left side outside the housing 2 so that the cassette 7 can be inserted and removed. In FIG. 1, reference numeral 8 denotes a lever for moving the mosaic prism 9 (see FIG. 2) in and out of the optical path of the objective lens 4, and reference numeral 10
Is a button for rotating the prism 9, and 11 is a hand strap.

In this video camera toy 1, when the zooming button 6 is pressed to the zoom-up version side (front side), the lens barrel 5 advances. Then, with this forward movement, the lens barrel 5 rotates about the optical axis of the lens 4. On the other hand, when the zooming button 6 is pressed to the zoom back version side (rear side), the lens barrel 5 retracts. Then, with this backward movement, the lens barrel 5 rotates about the optical axis.
Further, when the lever 8 is lowered, the prism 9 is placed in the visual field.
Are projected, and a plurality of subjects look like a mosaic by the prism 9. When the button 10 is pressed while the prism 9 is projecting in the field of view, the prism 9 rotates in the field of view, and the mosaic subject appears to shake. During these operations, the gear mechanism in the cassette 7 operates and pseudo recording sound is generated.

Next, details of the video camera toy 1 of the embodiment will be described. In the housing 2 of the video camera toy 1,
A battery (not shown), a motor 12 operated by this battery, a drive mechanism 13 for operating the lens barrel 5 and the like by the motor 12, switches SW1 and SW2 for opening and closing an electric circuit for motor operation are mounted. (See Figure 3). Of these, the battery, the motor 12, and the switch S
W2 is housed in the mechanism box 14 shown in FIG. 2, and most of the components of the drive mechanism 13 are housed in the mechanism box 14.

The pinion 1 protruding from the mechanism box 14
As shown in FIG. 2 and FIG. 3, the rack 16 is engraved on a lens barrel pressing member 16 having an arch-shaped curved portion 15.
a is in mesh. By this rack 16a, the rotational movement of the pinion 19 can be converted into a linear movement, and the lens barrel pressing member 16 can be moved in the optical axis direction of the lens.

The lens barrel pressing member 16 is engaged with the lens barrel 5 and presses the lens barrel 5 during movement of the lens in the optical axis direction.
It functions to move the lens barrel 5 in the optical axis direction of the lens. The lens barrel pressing member 16 is engaged with the lens barrel 5 in a state where it does not hinder the rotation of the lens barrel 5 about the optical axis. An arcuately curved guide member 18 is provided between the lens barrel pressing member 16 and the lens barrel 5 (FIG. 4).
reference). The guide member 18 is fixed in the housing 2. Then, as the lens of the lens barrel 5 moves in the optical axis direction, the guide member 18 rotates the lens barrel 5 about the optical axis. That is, in the video camera toy 1 of this embodiment, as shown in FIG. 4, the guide pin 5a is attached to the outer periphery of the lens barrel 5.
Further, the guide member 18 is formed with a twist guide groove 18a extending obliquely with respect to the generatrix direction (see FIG. 4), while the lens barrel pressing member 16 has a single groove 15a extending in the circumferential direction. Are formed (see FIG. 3). The guide pin 5a of the lens barrel 5 is connected to the guide groove 18 of the guide member 18.
It is fitted into the groove 15a of the lens barrel pressing member 16 through a. Then, the lens barrel pressing member 16 moves in the optical axis direction of the lens, so that the guide pin 5a is moved to the guide member 18a.
By following the guide groove 18a, the lens barrel 5 rotates about the optical axis of the lens.

The prism 9 is connected to the gear 20 protruding from the mechanism box 14. This prism 9
Are rotatably supported by the prism support 21. Further, the prism support 21 is rotatable about an axis of a crown 22 meshing with the gear 20, and is operated by a lever 8 protruding on the surface of the housing 2. As shown in FIG. 3, the prism support 21 is provided with a gear 2 coaxially with the crown 22.
3 is a sun gear, and a gear (planetary gear) 24 that rotates around the gear 23 when the prism support 21 is rotated is provided. The gear 24 meshes with the gear 9a on the outer circumference of the prism 9. Then, the prism 9 is rotated by the rotation of the gear 20.

The cassette 7 can be connected to the gears 27a and 27b protruding from the mechanism box 14. That is, in the cassette 7, as shown in FIG. 6, a large diameter gear 28 that meshes with the gear 27b through the opening 7a and an intermediate small diameter gear 2 that meshes with the large diameter gear 28.
9 and a large-diameter gear 30 that meshes with the intermediate small-diameter gear 29. When inserting the cassette 7 into the insertion port of the housing 2 and setting it, an elastic locking claw 32 is provided on the insertion port side of the housing 2 as shown in FIG. Claw 32
Is provided with an engaging hole 33. Also, cassette 7
A viewing window 34 is provided on the surface of the.

Next, details of the drive mechanism 13 will be described.

(Lens barrel driving mechanism) The lens barrel driving mechanism which constitutes a part of the driving mechanism 13 applies the driving force of the motor 12 to the worm gear 35a and the worm 35.
b, gears 35c, 35d, 35e, 35f, 35g, 3
5h, 35i, path of pinion 19, rack 16a, or worm gear 35a, worm 35b, gear 3
5c, 35d, 36a, 35f, 35g, 35h, 35
i, the pinion 19 and the rack 16a are configured to be transmitted to the lens barrel 5. The switching of the route in this case is performed as follows. That is, the gear 3
5d is in the middle position of the gears 35e and 36a in the normal state. The gear 35f is always in mesh with the gear 35g. From this state, the zooming button 6
When pressed to the version side, the gear 35d moves in the axial direction by the action of the spring 45 and meshes with the gear 35e. As a result, the driving force of the motor 12 is the worm gear 35a, the worm 35b, the gears 35c, 35d, 35.
e, 35f, 35g, 35h, 35i, pinion 19,
It is transmitted to the lens barrel 5 through the path of the rack 16a. On the other hand, when the zooming button 6 is pressed toward the zoom-up version side, the gear 35d meshes with the gear 36a and the motor 12
The driving force of the worm gear 35a, the worm 35b,
Gears 35c, 35d, 36a, 35f, 35g, 35
It is transmitted to the lens barrel 5 through the path of h, 35i, pinion 19 and rack 16a.

The path switching mechanism will now be described. Inside the zooming button 6 that rotates about the shaft 6a, a seesaw member 40 that rotates about the shaft 40a is installed. The seesaw member 40 is held in a neutral position by a spring 45. A cam 42 for directly contacting the shaft end of the gear 35d and moving the shaft in the axial direction is attached to one arm of the seesaw member 40. The cam 42 has a contour as shown in FIG. That is, the contour of the cam 42 has a stepped upright surface 42.
a, 42b, 43c. And gear 3
The shaft end of 5d contacts the upright surface 42b when the zooming button 6 is in the neutral position, the upright surface 43c when in the zoom back version, and the upright surface 43a when in the zoom up version by the action of the spring 45. It is supposed to do.

Two pins 43, 43 are attached to the back side of the cam 42 of the seesaw member 40.
A normally open switch SW1 is installed between 3 and 43. Then, when the zooming button 6 is in either the zoom-up version or the zoom-back version, the switch SW1 is turned on and the lens barrel drive mechanism is operated.

(Prism driving mechanism) Further, the prism driving mechanism which constitutes a part of the driving mechanism 13 applies the driving force of the motor 12 to the worm gear 35a, the worm 44a, the gears 44b, 44c, 44d, 44e and 2.
0, the crown 22, and the gears 23, 24, and 9a are configured to be transmitted to the prism 9.

This prism driving mechanism operates when the button 10 is pressed. That is, the gear 44d constituting the drive mechanism 13 is not meshed with the gears 44c and 44e due to the action of the spring 48 in the normal state. And button 1
By pressing 0, the gear 44d resists the biasing force of the spring 48 and simultaneously meshes with the gears 44c and 44e. In order to have such a configuration, a cam 49 having an inclined surface 49a is provided inside the button 10 (see FIG. 9). When the zooming button 10 is pressed, the inclined surface 49a of the cam 49 causes the gear 4 to move.
The shaft of 4d is pressed to cause the gear 35d to simultaneously mesh with the gears 44c and 44e. At the same time, the tip of the cam 49 presses one of the contact pieces 46a of the switch SW2,
The motor 12 is operated by bringing the other contact piece 46b into contact. In FIG. 3, reference numeral 47 is a spring for returning the button 10 to its original position.

(Cassette Drive Mechanism) The cassette drive mechanism which constitutes a part of the drive mechanism 13 applies the drive force of the motor 12 to the worm gear 35a and the worm 4.
4a and gears 44b, 44c, 27a and 27b are configured to be transmitted to the cassette 7.

In FIG. 3, reference numerals 51 and 52 are clutches. Here, the clutch 51 functions to prevent the drive mechanism 13 from being damaged when the lens barrel 5 is pressed during zooming. On the other hand, the clutch 52 functions to prevent the drive mechanism 13 from being damaged when the cassette 7 is inserted or removed during zooming or prism driving. Further, the spring 53 gives a rotation resistance to the gear 35h and functions to prevent the lens barrel 5 from moving in the optical axis direction of the lens due to its own weight when not zooming.

According to the video camera toy 1 configured as described above, the following effects can be obtained. As the lens barrel pressing member 16 driven by the motor 12 moves the lens barrel 5 in and out of the housing 2, the guide member 18 causes the lens barrel 5 to rotate, so that the video camera is close to a real video camera. Realize toys.
According to the video camera toy 1 of the embodiment, since the gear 35e is not connected to the motor 12 when the zooming button 6 is not pressed, zooming can be performed manually. Further, when the mosaic prism 9 is used, a subject image can be seen by individual eyes forming the prism 9, and moreover, when the prism 9 is rotated, a plurality of images can be seen to fluctuate.
It will be interesting for children.

Although the embodiment made by the present inventor has been described above, the present invention is not limited to this embodiment, and various modifications can be made without departing from the gist of the present invention. There is no end. For example, in the video camera toy 1 of the above-described embodiment, the guide pin 5a is provided on the lens barrel 5 side and the guide groove 18a is provided on the guide member 18 side. On the contrary, the guide groove 5a is provided on the lens barrel 5 side. May be provided, and the guide pin may be provided on the guide member 18 side. Also,
In the video camera 1 of the above embodiment, the lens barrel 5 and the like are operated by driving the motor, but the lens barrel 5 and the like may be operated by a spring and other means.

[0026]

The video camera toy according to the present invention is a video camera toy in which the lens barrel is moved in and out of the housing by the operation of the external operation portion, and the guide pin (or the guide groove) is provided on the outer circumference of the lens barrel. A guide groove (or a guide groove (or guide groove) is attached to the housing to engage with the guide pin (or guide groove) to cause the lens barrel to rotate about the optical axis as the lens barrel moves in and out. Since a guide member having a guide pin) is provided, the lens barrel pressing member driven by the motor causes the lens barrel to rotate as the lens barrel moves in and out of the housing. Realize a video camera toy similar to a real video camera.

[Brief description of drawings]

FIG. 1 is a perspective view of the appearance of a video camera toy according to an embodiment.

FIG. 2 is a perspective view of the video camera toy of the embodiment with the left frame removed.

FIG. 3 is an exploded perspective view of a drive mechanism of the video camera toy of the embodiment.

FIG. 4 is a perspective view of a lens barrel and a guide member of the video camera toy of the embodiment.

FIG. 5 is a diagram for explaining path switching in the drive mechanism of the video camera toy of the embodiment.

FIG. 6 is a perspective view of a cassette of the video camera toy of the embodiment.

FIG. 7 is a perspective view of a cassette of the video camera toy of the embodiment and a locking member for locking the cassette.

FIG. 8 is a diagram showing a cam of a lens barrel driving mechanism of the video camera toy of the embodiment.

FIG. 9 is a diagram showing a cam of the prism drive mechanism of the video camera toy of the embodiment and its periphery.

[Explanation of symbols]

 1 video camera toy 2 housing 5 lens barrel 5a guide pin 6 zooming button (external operation part) 18 guide member 18a guide groove

Claims (2)

(57) [Scope of utility model registration request] 1. A video camera toy in which a lens barrel is moved in and out of a housing by an operation of an external operation unit, a guide pin is attached to an outer periphery of the lens barrel, and the housing is engaged with the guide pin. Then, the video camera toy is provided with a guide member having a guide groove for allowing the lens barrel to rotate about the optical axis as the lens barrel moves in and out. 2. A video camera toy in which a lens barrel is moved in and out of a housing by an operation of an external operation section, a guide groove is provided on an outer periphery of the lens barrel, and the housing is engaged with the guide groove. A video camera toy is provided with a guide member having a guide pin that causes the lens barrel to rotate about the optical axis as the lens barrel moves in and out.