JPH05232563A - Camera - Google Patents

Abstract

PURPOSE:To improve the layout of component parts so as to effectively utilize space in a camera and to miniaturize the entire camera. CONSTITUTION:A motor 5 for driving a lens barrel, a battery chamber for housing a bar-like battery, a film chamber 7, a cartridge chamber 6, a capacitor 9, and a subcapacitor 10 are assembled and arranged in a camera main body 2. The motor 5 is disposed in the space part 20 formed by a level difference between the battery chamber and the capacitor 9 juxtaposed so that its longitudinal direction may be aligned with the battery chamber in a state where a motor shaft 5a is in parallel with a photographing optical axis. By aligning and juxtaposing the film chamber or the cartridge chamber 6 and the capacitor 9 in the longitudinal direction, the subcapacitor 10 is disposed in the space part formed by the cylindrical surface part so that its longitudinal direction may be aligned with them.

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 lens barrel driving motor, a rod-shaped battery (battery), a condenser and the like as camera components, and more particularly to a camera body for a lens barrel driving motor, a rod-shaped battery, a condenser and the like. Regarding the built-in structure inside.

[0002]

2. Description of the Related Art For example, in a compact camera,
There is a great demand for downsizing and compacting the entire camera in order to make it convenient to carry and handle, and the built-in parts etc. inside the camera body are assembled in the most efficient layout configuration and compactly. Is desired.

By the way, in this type of camera, a lens barrel driving motor, a battery chamber for accommodating a rod-shaped battery, a capacitor such as a main capacitor and a sub capacitor, and a film chamber or film having a film winding spool are provided in the camera body. Various camera components and components such as a cartridge chamber in which the cartridge is loaded are installed in appropriate places.

In the above-mentioned components and the like, the positions of the film chamber, the cartridge chamber, and the lens barrel and the like facing the space in the camera are limited to some extent. There is no restriction on the installation position, and for example, a rod-shaped battery or a capacitor is appropriately incorporated in an empty space such as a grip portion above, below, or to the side of a film chamber or a cartridge chamber.

Of the above-mentioned components, the motor for driving the lens barrel is generally installed in front of or above the film chamber or the cartridge chamber in consideration of the relationship with the lens barrel. It was

[0006]

However, it cannot be said that the space inside the camera is effectively utilized in the above-mentioned conventional built-in structure of camera constituent parts.
This is a problem in enlarging the size of the camera body in the width and thickness directions and making the camera smaller and more compact. It is desired to take some measures to eliminate such problems. There is.

Further, among the above-mentioned camera components, the lens barrel driving motor has conventionally generally extended the motor shaft in a direction orthogonal to the photographing optical axis, and a gear provided on the shaft is provided around the lens barrel. The lens barrel is configured to be driven by being connected to a provided large gear or the like via a rotation transmission system. In this case, a transmission direction changing means such as a bevel gear is interposed in the middle of the transmission system. Due to the necessity, the gear efficiency is poor, and as a result, a motor having a large torque must be used, which causes a problem that the camera is upsized and the cost is increased. In particular, such a problem is remarkable in a zoom camera that zooms a zoom lens because the zooming drive amount is large, and such a point must be taken into consideration.

Further, in recent cameras, it has been desired to increase the capacity of the battery as the electronic parts have become electronic, and in the case of a camera equipped with a strobe, the capacity of the capacitor must be increased in order to shorten the charging time. desired. In order to incorporate a battery or a capacitor with a large capacity, the outer diameter of the capacitor is increased, which is a problem in assembling it inside the camera, and it is desired to solve such a point. There is.

The present invention has been made in view of the above circumstances, and it is possible to effectively use the internal space of the camera, especially the dead space, by improving the layout of the camera components. It is an object of the present invention to obtain an inexpensive camera that can achieve a small size and a compact size as a whole.

[0010]

In order to meet such a demand, a camera according to the present invention includes a lens barrel driving motor built in a camera body, a battery chamber capable of accommodating a rod-shaped battery, and a winding spool. A film chamber whose outer circumference is a cylindrical surface, a cartridge chamber whose outer circumference is a cylindrical surface that contains a film cartridge, a vertically long cylindrical capacitor, and a cylindrical sub-capacitor that assists this, in the battery chamber and its longitudinal direction. A lens barrel driving motor is arranged in a space formed by a step between the capacitors arranged in parallel with each other so that the motor axis thereof is parallel to the photographing optical axis of the camera.

In the camera according to the present invention, the film chamber or the cartridge chamber and the condenser are arranged side by side in the longitudinal direction so as to be formed between the cylindrical surface of the outer periphery of the film chamber or the cartridge chamber and the cylindrical surface of the condenser. The sub-capacitors are arranged in the space formed in such a manner that their longitudinal directions are aligned with these.

[0012]

According to the present invention, the lens barrel driving motor is incorporated in the stepped space portion as a dead space due to the step between the battery chamber and the capacitor which are arranged in parallel with each other in the longitudinal direction. By arranging the components such as the lens barrel driving motor and the like in a desired position in the camera with an efficient layout configuration, the camera can be made smaller and more compact.

In particular, according to the present invention, since the above-mentioned lens barrel driving motor is disposed so as to extend so that its motor axis is parallel to the photographing optical axis, the large gear on the lens barrel side is arranged. It is possible to connect between and by a rotation transmission system using a simple spur gear with high gear efficiency, and it is possible to use a motor having a small torque.

Further, according to the present invention, since the sub-capacitor is arranged by utilizing the dead space surrounded by the cylindrical portion of the film chamber or the cartridge chamber and the capacitor, a large capacity of the capacitor is obtained. And the size and size of the camera can be reduced.

[0015]

1 to 3 are a front view, a cross-sectional side view and a vertical side view showing an embodiment of a camera according to the present invention. In the present embodiment, a so-called compact camera is incorporated in the camera. Only the schematic configuration of the components is shown.

In these drawings, a camera generally designated by reference numeral 1 comprises a camera body 2 having a substantially housing shape, and a lens barrel 4 for movably holding a taking lens 3 in an internal space thereof. A lens barrel drive motor 5 for transmitting power to the lens barrel 4, a cartridge chamber 6 for loading film cartridges (not shown) located on both sides of the lens barrel 4, and a film chamber having a film winding spool 7a. 7. Further, a battery chamber 8 for accommodating a rod-shaped battery (indicated by reference numeral 15 in FIG. 4) serving as a power source for various electric system parts
The main capacitor 9 and the sub-capacitor 10 that assists the main capacitor 9 are incorporated and arranged at appropriate positions.

Here, as shown in FIG. 4, the rod-shaped battery 15 housed in the above-mentioned battery chamber 8 is a conventional cylindrical battery (for example, an AA battery) or a box-shaped battery. (For example, a lithium battery) not only has a rod-like shape by itself, but also includes, for example, a plurality of mercury batteries stacked and used in a rod-like state.

Although not shown in FIG.
A finder portion 11 incorporating an (autofocus) mechanism portion is an electronic flash device (strobe), and these are a lens barrel 4 and a winding spool 7 in the camera body 2.
It is incorporated in the space formed above the film chamber 7, the battery chamber 8 and the capacitor 9 having a. Also,
Although specific illustrations and explanations are omitted, it goes without saying that the mechanical parts and the like necessary for the camera are appropriately installed and arranged to perform the required operations.

Now, according to the present invention, in the camera 1 including the above-mentioned components, the camera 1 shown in FIGS.
As is clear from the above, the battery chamber 8 and the capacitor 9 are arranged side by side through the cylindrical casing 7b on the side of the film chamber 7, and the step between the battery chamber 8 and the capacitor 9 is arranged. This is characterized in that the lens barrel driving motor 5 is arranged in a stepped space portion 20 as a dead space caused by the motor 5a so that its motor shaft 5a is parallel to the photographing optical axis of the camera. ..

According to this structure, the stepped space portion 20 is formed as a dead space due to a step difference due to the height difference between the battery chamber 8 and the capacitor 9 which are provided side by side on one side of the camera body 2. Since the lens barrel drive motor 5 can be built in and arranged, it is not necessary to provide a special storage space by projecting to the inside of the camera main body 2 or the outside thereof as in the conventional case, and the inside of the camera main body 2 can be efficiently operated. It has a good layout configuration, and the lens barrel driving motor 5 can be incorporated and arranged in a required state in a required position, and as a result, the camera can be made compact and compact as a whole. ..

The dimensional relationship of the stepped space portion 20 described above will be described with reference to FIG. In this example, a 3V lithium battery is used as the rod-shaped battery 15. The rod-shaped battery 15 has a length of 33.5 mm as apparent from FIG.
Including 15b, the battery compartment 8 is about 40 mm.
On the other hand, since the main condenser 9 is 30 mm,
These steps are 10 mm, and it is advisable to dispose the motor 5 having a size of about 10 mm in the step space portion 20 formed by the steps, as shown in FIGS. In this case, the axial length of such a motor 5 is 15 mm.

In particular, according to the present invention, the above-mentioned lens barrel driving motor 5 is provided so as to extend to the front side so that its motor shaft 5a is parallel to the photographing optical axis of the photographing lens 3. Therefore, it is possible to connect a large gear (indicated by 4a in FIG. 1) formed on the lens barrel 4 side by a rotation transmission system (gear train) 21 using a simple spur gear. The advantage is that the efficiency is improved, and as a result, it is possible to use a motor that has a small drive torque and is inexpensive. As is apparent from FIG. 1, the gear train as the rotation transmission system 21 is arranged on the front side of the camera body 2 from the motor shaft 5a to the large gear 4a of the lens barrel 4.

Here, according to the rotation transmission system 21 in the gear train composed of the spur gears as described above, the effect is further enhanced by using the rotation transmission system 21 for a large drive amount such as in the case of zooming operation of the zoom lens. It can be demonstrated.

Further, according to the present invention, in the camera 1 having the above-mentioned structure, the cylindrical portion (cylindrical casing 7b) of the film winding chamber 7 as a film chamber and the cylinder of the main condenser 9 arranged in contact with the cylindrical portion. The gap space portion 2 formed inside the camera body 2 surrounded by
In addition, as is clear from FIG. 2, the sub-capacitor 10 is also characterized in FIG.

According to this structure, the sub-capacitor 10 is provided in the camera body 2 in the film winding chamber 7
Since the dead space surrounded by the cylindrical portion of the main capacitor 9 can be skillfully utilized and arranged, the capacitors 9 and 10 can satisfy the large capacity of the capacitor, and the camera 1 can be made compact and compact. Is also satisfactory.

In particular, according to the present invention, in addition to the main capacitor 9 as the capacitor, the sub-capacitor 10 which assists the main capacitor 9 is used, and each of them is provided in a desired state in a space in the camera body 2 with a space. Since it is built-in and arranged, the advantage is great in miniaturizing the camera as well as increasing the capacity of the capacitor. In this case, as each of these capacitors 9 and 10, those having a shape and a size suitable for the assembling space may be used.

Here, the dimensional relationship and the like will be briefly described with reference to FIG. 2. The rod-shaped battery 15 made of a 3V lithium battery has a diameter of φ17, and the main capacitor 9 has a diameter of φ18.5. When installed, there is almost no margin for the thickness of the camera body 2 of 40 mm. However, at this time, the sub-capacitor 10 of about φ10 can be arranged in the gap space portion 22 formed by being surrounded by the cylindrical portion between the film chamber 7 having the spool 7a and the main condenser 9. ..

As the main condenser 9, φ
A device having a length of 18.5 and a length of 30 mm is used, and the withstand voltage is 330 V and the capacity is 220 μF. Further, as the sub-capacitor 10, one having a diameter of φ10 and a length of 20.5 mm is used, and its withstand voltage is 330 V and capacity is 7 μF.

It is needless to say that the present invention is not limited to the structure of the above-described embodiment, and the shape, structure, etc. of each part of the camera 1 can be appropriately modified or changed. For example, in the above-described embodiment, the case of the compact camera is illustrated, but the present invention is not limited to this, and it is easily understood that the effect can be exerted even when applied to various types of cameras including a single lens reflex camera. Will be done.

[0030]

As described above, according to the camera of the present invention, the lens barrel drive motor is provided in the space inside the camera caused by the step between the battery chamber and the capacitors arranged in parallel with the battery chamber in the longitudinal direction. Is arranged so that its motor axis is parallel to the image-taking optical axis of the camera. Therefore, despite the simple structure, the space inside the camera, especially the dead space, can be effectively utilized, It is possible to efficiently arrange the components, which eliminates the need to provide a special storage space such as a protrusion to the outside of the camera body as in the conventional case. Since it can be installed in a required part, it has an excellent effect that the entire camera can be made compact and compact.

In particular, according to the present invention, since the above-mentioned lens barrel driving motor is provided so as to extend so that its motor axis is parallel to the photographing optical axis, it is possible to realize a large gear on the lens barrel side. The spaces can be connected by a transmission system using a simple spur gear, and the gear efficiency can be improved, and as a result, a motor with a small torque can be used, and the cost can be reduced.

Further, according to the present invention, the film chamber or the cartridge chamber and the condenser are arranged side by side in the longitudinal direction so as to be formed between the cylindrical surface of the outer periphery of the film chamber or the cartridge chamber and the cylindrical surface of the condenser. Since the sub-capacitor is arranged in the gap space portion as the dead space aligned with the longitudinal direction of the sub-capacitor, the large capacity of the capacitor can be satisfied despite the simple structure and the camera It has an excellent effect that it can be made compact and compact.

[Brief description of drawings]

FIG. 1 is a schematic cross-sectional view showing a camera according to an embodiment of the present invention as viewed from the front side in order to explain an arrangement state of a main part configuration thereof.

FIG. 2 is a schematic cross-sectional view showing a cross section taken along line II-II in FIG.

FIG. 3 is a schematic cross-sectional view taken along the line III-III in FIG.

FIG. 4 is a schematic diagram showing the arrangement and dimensional relationship of each part corresponding to FIG.

[Explanation of symbols]

 1 camera 2 camera body 3 taking lens 4 lens barrel 4a large gear 5 lens barrel driving motor 5a motor shaft 6 patrone chamber 7 film chamber 7a film winding spool 7b cylindrical casing (cylindrical part) 8 battery chamber 9 capacitor 10 sub-capacitor 12 Electronic Flash Device 15 Rod-shaped Battery (Lithium Battery) 20 Stepped Space 21 Rotation Transmission System (Gear Row) 22 Gap Space

Claims (4)

[Claims] 1. A camera having a lens barrel driving motor having a motor shaft for driving a lens barrel, a battery chamber capable of accommodating a rod-shaped battery, and a cylindrical capacitor, wherein the battery chamber and the battery chamber are provided. The lens barrel drive motor is arranged in a space formed by a step between the condensers arranged in parallel in the longitudinal direction so that the motor axis of the lens barrel drive motor and the photographing optical axis of the camera are parallel to each other. And the camera. 2. A camera having a film chamber in which a winding spool is housed and the outer periphery of which has a cylindrical surface shape, a cylindrical capacitor, and a cylindrical sub-capacitor which assists the capacitor, wherein the film chamber comprises: The capacitor and the capacitor are arranged side by side in the longitudinal direction, and in the space formed between the cylindrical surface of the outer periphery of the film chamber and the cylindrical surface of the capacitor by this arrangement, the sub-capacitor, the film chamber, A camera characterized in that it is arranged with the condenser aligned in the longitudinal direction. 3. A camera having a cartridge chamber in which a film cartridge is housed and the outer periphery of which is a cylindrical surface, a cylindrical condenser, and a cylindrical sub-capacitor which assists the condenser, The capacitor and the condenser are arranged side by side in the longitudinal direction, and in the space formed between the cylindrical surface of the outer periphery of the cartridge chamber and the cylindrical surface of the condenser by this arrangement, the sub-capacitor, the cartridge chamber, A camera characterized in that it is arranged with the condenser aligned in the longitudinal direction. 4. A lens barrel driving motor having a motor shaft for driving a lens barrel, a battery chamber capable of accommodating a rod-shaped battery, and a film chamber accommodating a winding spool and having a cylindrical outer peripheral surface. In a camera having a cylindrical capacitor having a vertically long cylindrical capacitor and a cylindrical sub-capacitor for assisting the capacitor, the battery chamber and the capacitor arranged in parallel in the battery chamber in a longitudinal direction, The lens barrel drive motor is arranged in a space formed by the step so that the motor axis and the photographing optical axis of the camera are parallel to each other, and the film chamber and the condenser are aligned in the longitudinal direction. By arranging them in parallel, the sub-capacitor is placed in the space formed between the cylindrical surface of the outer periphery of the film chamber and the cylindrical surface of the capacitor. Camera, characterized in that it has arranged aligned capacitors and longitudinally.