JPH10186484A - Camera - Google Patents

Abstract

PROBLEM TO BE SOLVED: To effectively utilize space and to miniaturize the entire form of a camera by deforming a main body side wall opposed to a motor for driving a photographing lens, which is arranged in an almost triangular space part formed by a lens barrel and a side wall, outward in accordance with the shape of the motor. SOLUTION: This camera 1 is equipped with a main body 3 covered with a cover 2 being the armor of a camera main body, and the lens barrel 4 holding a photographing lens, a finder 5 and a flash 6 are arranged on the front of the camera main body. A cartridge chamber 11 and a spool chamber 12 are disposed left and right by putting the lens barrel 4 in between, and the side walls 13 to 16 are provided on the main body 3 so as to surround the left and the right and the top and the bottom of the lens barrel 4. A zoom motor 17 is arranged in the almost triangular space part formed by the lens barrel 4 and the side walls 13 and 15 and a zoom gear train 18 is arranged along the side of the lens barrel 4, then the side wall 15 opposed to the motor 17 is deformed outward in accordance with the shape of the motor.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a camera provided with a motor for driving a photographing lens, and more particularly to a technique for miniaturizing the camera.

[0002]

2. Description of the Related Art Conventionally, in a small camera having a function such as zooming, a motor for driving a photographing lens is arranged in a corner portion surrounded by a lens barrel having a photographing lens and a main body wall. Some attempt to make effective use of space.

[0003]

However, in the above configuration, even if a motor is arranged in the corner, the overall shape of the main body becomes inevitably large, and the space cannot be effectively utilized. There are cases. The present invention has been made in order to solve the above-described problems, and in a small camera having a function such as zooming, in order to arrange a motor for driving a photographing lens, it is necessary to ensure effective use of space. It is an object of the present invention to provide a camera capable of further downsizing.

[0004]

SUMMARY OF THE INVENTION In order to achieve the above object, a first aspect of the present invention is a camera provided with a motor for driving a photographic lens, comprising a substantially cylindrical lens barrel for holding a photographic lens, and a lens. A camera body that holds a lens barrel and has side walls surrounding the lens barrel in the vertical and horizontal directions, and a drive source that is disposed in a substantially triangular space formed by the lens barrel and the side walls and moves a photographing lens And a side wall facing the motor is deformed outward in accordance with the shape of the motor. In the above configuration, since the side wall of the camera body facing the motor is deformed outward according to the shape of the motor, the overall shape can be made smaller than when the side wall of the camera body is straight. it can.

According to a second aspect of the present invention, in the configuration according to the first aspect, a cover member serving as an exterior of the camera body is provided, and a small member is disposed between the protruding side wall and the exterior cover. A large member is arranged on the side. In this configuration, the members are arranged in accordance with the space dimension between the cover member serving as the exterior and the side wall, and the space can be effectively used.

According to a third aspect of the present invention, in the configuration of the first aspect, the side walls of the camera body located on the left and right sides of the lens barrel are partially partitioned walls of the cartridge storage chamber and the spool chamber. It is. In this configuration, the rigidity of the camera body is increased due to the presence of the side wall, and the camera body does not bend in response to a pressing force from above and below.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a camera according to an embodiment of the present invention will be described with reference to the drawings. 1 is a front perspective view of the camera, FIG. 2 is a cross-sectional view of the camera when the lens barrel is wide, and FIG. 3 is a cross-sectional view of the lens barrel when telephoto. The camera 1 has a main body 3 covered by a cover 2 which is an exterior of the camera main body. A lens barrel 4 for holding a photographing lens, a finder 5, a flash 6, A
A light emitting / receiving element 7 for F, a light receiving element 8 for AE, a red-eye reduction lamp 9 and the like are arranged. A patrone chamber 11 (cartridge storage chamber) and a spool chamber 12 are disposed on the left and right sides of the lens barrel 4. The main body 3 has side walls 13 and 1 surrounding the left, right and up and down sides of the lens barrel 4.
4, 15, and 16 are provided. A zoom motor 17 is arranged in a substantially triangular space formed by the lens barrel 4 and the side walls 13 and 15, and a zoom gear train 18 is arranged along the side of the lens barrel 4. Zoom motor 17
Is deformed outward in accordance with the shape of the motor.

The lens barrel 4 is guided by the inner periphery of the guide tube 20 held by the main body 3 and performs a zoom operation from the collapsed state to the telescopic state through the wide state. Is provided with a rotating lens barrel 21, and on the outer peripheral surface of the rotating lens barrel 21, a driven gear 2 with which a zoom gear meshes.
2, a finder driving cam 24a and a lens driving cam 24b with which a follower of the finder side lever 23 is engaged. The lens barrel 4 holds photographing lenses 25, 26, 27, 28 and a shutter mechanism 29. A control board 31 on which electric components for controlling the camera are mounted and an LCD board 32 on which a display LCD and the like are mounted are arranged above the side wall 15 of the main body 3.

Further, a (driven) sprocket 33 meshing with the perforation of the film is provided rotatably in the vicinity of the lens barrel 4. The teeth provided on the outer periphery of the sprocket 33 project from an opening 35 formed directly above the image frame 34 of the main body 3 into the film guide portion 36, and the teeth mesh with the perforations of the film. The sprocket 33 rotates in accordance with the film feed amount, and from the contact piece 40 of the conductive member 39 slidably in contact with a pattern portion formed of a conductive portion and a non-conductive portion provided so as to be integrally rotatable therewith, A proportional electric signal can be extracted. The sprocket 33 is rotatably supported by a sprocket holder 37 fixed to the main body 3 in a state where the sprocket 33 enters the guide tube 20 directly above the image frame 34 of the main body 3. The lead portion 39a at one end of the conductive member 39 is connected to the control board 31 through the opening 44, and a contact piece 40 is provided on the other end side for sliding contact with the pattern portion. The opening 35
Is formed between the rail 41 of the film guide portion 36 and the film pressure plate pad 42.

Further, left and right side walls 13, 1 of the main body 3 are provided.
Reference numeral 4 denotes a partition wall of the cartridge storage chamber 11 and the spool chamber 12. As a result, the rigidity of the outer cover 2 increases, and the outer cover 2 does not bend even when pushed from the outside in the vertical direction. Further, a zoom motor 17 is disposed in the space of the substantially triangular portion, and the side wall 15 facing the motor 17 is
Since it is deformed away from the body 7, the overall shape of the main body 3 becomes small.

A small member (such as an AE light receiving element 8, a red-eye reduction lamp 9, a self-timer display lamp, etc.) is arranged between the protruding portion of the side wall 15 and the outer cover 2, and the side of the protruding portion is disposed. Large members (the light-emitting / light-receiving element for AF 7, the finder 5, the flash 6, etc.) are arranged. Thereby, the members are arranged according to the space size between the exterior cover 2 and the side wall 15, and the space can be effectively used. It is convenient for the finder 5 to be slightly away from the lens barrel 4 because the lens barrel 4 prevents the light incident on the finder from being kicked. Light emitting and light receiving element 7 for AF
Are located on both sides of the projecting wall. The left side of the element on the left side from the front for AF is the lower side of the release button, and the main substrate 31 and the like are arranged here, whereby the main substrate 31 and the like are arranged near each of the above members. become,
The number of lead wirings can be reduced, the whole arrangement efficiency is good, and compact design is possible.

Next, the detailed structure of the shutter mechanism 29 will be described with reference to FIGS. The shutter mechanism 29
FIG. 4 is a front view of a shutter mechanism 29, and FIG. 5 is a perspective view of the same, which is a lens shutter for a small camera arranged in the lens barrel 4. The lens shutter includes a shutter driving solenoid 71, an AF lens driving solenoid 72, a driving mechanism thereof, and shutter blades 73a and 73.
3b is provided. These solenoids are vulnerable to impact and are relatively large in shape. Therefore, the plungers of the solenoids are directed obliquely downward, and the two solenoids are arranged obliquely to each other on a shutter plate 74 located in a plane perpendicular to the optical axis as shown in FIG. The shutter plate 74 has an opening 75 through which photographing light passes, and a lever 7 driven by a shutter driving solenoid 71.
6, a drive mechanism such as a V-shaped opening lever 77 and an opening / closing spring 78 is provided. The drive mechanism of the AF lens drive solenoid 72 is not shown, and is arranged on a plate provided at a position shifted from the shutter plate 74 in the optical axis direction.

As shown in FIG. 5, the shutter blades 73a and 73b are supported by rotating shafts 79a and 79b, and move a drive shaft 80 connected to a V-shaped opening lever 77 urged by an opening / closing spring 78. To open and close the opening 75. In the shutter mechanism 29 of the above embodiment, since the plungers are arranged obliquely downward and are arranged obliquely to each other, the diameter of the lens barrel 4 can be reduced.
Inadvertent movement of the plunger can be suppressed.

The present invention is not limited to the configuration of the above-described embodiment, and various modifications can be made without departing from the spirit of the invention.

[0015]

As described above, according to the first aspect of the present invention,
Since the main body side wall facing the motor for driving the taking lens disposed in the substantially triangular space formed by the lens barrel and the side wall is deformed outward in accordance with the shape of the motor, the camera is used. Compared to the case where the side wall of the main body is straight, the space can be effectively used, and the whole shape can be reduced in size. According to the second aspect of the present invention,
Because the members are arranged in accordance with the space dimensions between the exterior cover member and the side wall, effective use of the space can be achieved,
The same effect as above can be obtained. According to the third aspect of the present invention, since the left and right side walls of the lens barrel have the side walls, the rigidity of the camera body against the pressing force from above and below is increased.

[Brief description of the drawings]

FIG. 1 is a front perspective view of a camera according to one embodiment of the present invention.

FIG. 2 is a sectional view when the lens barrel of the camera is retracted.

FIG. 3 is a sectional view of the lens barrel of the camera at the time of telephoto.

FIG. 4 is a front view of a shutter mechanism.

FIG. 5 is a perspective view of the same part.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Camera 2 Exterior cover 3 Main body 4 Lens barrel 5 Viewfinder 6 Flash 7 Light-emitting / light-receiving element for AF 8 Light-receiving element for AE 9 Red-eye reduction lamp 11 Patrone room (cartridge storage room) 12 Spool room 13, 14, 15, 16 Side wall 17 Zoom motor 25, 26, 27, 28 Photographic lens

Claims (3)

[Claims] 1. A camera provided with a motor for driving a photographic lens, comprising: a substantially cylindrical lens barrel for holding a photographic lens; and a side wall for holding the lens barrel and surrounding the upper, lower, left and right sides of the lens barrel. A motor body as a drive source for moving the photographing lens, the motor body being disposed in a substantially triangular space formed by the lens barrel and the side wall. A camera characterized by being deformed outward according to the shape of the motor. 2. A camera according to claim 1, further comprising: a cover member serving as an exterior of the camera body, wherein a small member is arranged between the protruding side wall and the exterior cover, and a large member is arranged on a side of the small member. The camera according to claim 1. 3. The camera according to claim 1, wherein side walls of the camera body located on the left and right sides of the lens barrel are partially partitioned walls of a cartridge storage chamber and a spool chamber.