JP3698775B2 - Camera hinge device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a hinge device for a camera, and more particularly to a hinge device in which a hinge such as an opening / closing lid of a camera is configured using a through shaft.
[0002]
[Prior art]
Conventionally, a camera has a battery lid and a rear lid that opens and closes for film replacement, and each has a hinge.
For example, in order to simplify assembly, there is a conventional one that prevents the hinge shaft from popping out by holding the hinge up and down with the upper cover and the lower cover, which are appearance products.
[0003]
Japanese Utility Model Laid-Open No. 62-99041 discloses a configuration in which a rear cover hinge for replacing a battery cover and a film is arranged in common on the back of a camera.
[0004]
[Problems to be solved by the invention]
However, the above-mentioned prior art, ie, Japanese Utility Model Publication No. 62-99041, does not show any device for preventing the hinge shaft from being detached. Jump out. Therefore, in general, adhesive is applied to the shaft member for assembly as a countermeasure, or another member is provided, and this separate member is fixed to the camera body with a screw so that the shaft does not come off. .
[0005]
On the other hand, the former of the above-mentioned conventional technique, although the shaft member is surely restrained the axial movement of the shaft, when trying to replace the lid member fitted to the shaft for some reason, The upper cover or the lower cover must be removed from the camera body. However, it is considered that the upper cover or the lower cover is screwed to the camera body, and it is surprisingly difficult to remove it from the camera body.
[0006]
The present invention is intended to solve the above problems. In other words, the present invention provides a hinge device used in a camera, in which the hinge shaft is securely maintained in a fixed position, and a lid attached to the hinge device shaft can be easily replaced. For the purpose.
[0007]
[Means for Solving the Problems]
A camera hinge device according to the present invention is a hinge device for a camera having a plurality of rotating lids, and a hinge bearing for a first lid that rotates, and a hinge bearing for a second lid that rotates. A hinge bearing fixed to the camera body, a shaft member passing through the three hinge bearings, and after passing the shaft member through the three hinge bearings, covering an end of the shaft member; In order to prevent the member from coming off, the shaft member is attached to the camera body separate from the shaft member, and is provided between the first lid and the shaft slip-off preventing member that is detachably provided. Engagement means and engagement means provided between the second lid and the shaft slip-off prevention member, and the engagement means between the first lid and the shaft slip-off prevention member; At least one of the engaging means between the second lid and the shaft slip-off preventing member. When the engagement means is engaged prevents the preventing member escape the shaft from falling off from the camera.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 shows a first embodiment of the present invention, and is a perspective view of a camera provided with a battery lid for loading a battery and a rear lid for loading a film as seen from the back of the camera. Is shown with the battery lid closed. 2 is a state in which the rear cover and the battery cover of the camera in FIG. 1 are closed, FIG. 3 is an exploded perspective view of the camera of the present embodiment, and FIG. 4 is a state in which the rear cover of the camera in FIG. 5 is a state in which the rear cover and battery cover of the camera in FIG. 1 are opened, and FIG. 6 is a partial perspective view of a portion B in FIG. Show. FIG. 7 is a cross-sectional view of the hinge portion in FIG. 1, and FIG.
[0010]
The camera of the first embodiment will be described based on the exploded perspective view of FIG. Reference numeral 1 denotes a camera body, 1a denotes a hinge bearing provided in the body, and a hole 1c for inserting the shaft member 4 is provided. 1b is a hinge bearing provided in the main body, and has a through hole 1d for inserting the shaft member 4.
1e is a battery storage chamber, 1f is a film cartridge chamber, 1g is a film take-up chamber, 1h is a member that prevents the shaft member 4 from dropping after the shaft member 4 is inserted into the hinge bearings 1c, 1b, etc. This is a recess into which the prevention member 5 is inserted.
[0011]
Reference numerals 1l, 1m, and 1n are contacts for receiving contact pins from a back cover 3 or the like having a device that enables the date to be imprinted on the film. Reference numeral 2 denotes a battery lid, which has bearing portions 2a and 2b, and is provided with through-hole portions 2c and 2d into which the shaft member 4 can be inserted. And the protrusion part 2f is provided in the end surface 2e near the end surface bearing part of this battery cover 2. As shown in FIG.
[0012]
Reference numeral 3 denotes a rear cover of the camera for exchanging the film. In this embodiment, the camera has a device capable of imprinting the date on the film. Reference numeral 3a denotes a bearing portion provided on the rear lid, and has a through-hole portion 3c so that the shaft member 4 can be inserted. A projection 3 f is provided on the end surface 3 e near the end bearing portion of the rear lid 3. Further, contact pins 3l, 3m, and 3n for receiving a date imprinting signal from the camera body are provided. The contact pins 3l, 3m, and 3n are in contact with the contacts 1l, 1m, and 1n, respectively, to obtain electrical continuity.
[0013]
And after installing the bearing parts 2a and 2b of the battery cover 2 between the bearing parts 1a and 1b of the main body 1, and further installing the bearing part 3a of the rear cover 3 between the bearing parts 2a and 2b of the battery cover 2 The shaft member 4 is inserted into the hole 1d of the bearing portion from the lower side of the camera in the order indicated by the one-dot chain line in FIG. The shaft member 4 is sequentially inserted into the holes 1d, 2d, 3a, 2c, and 1c of the bearing portion. In this state, the battery lid 2 and the rear lid 3 are rotatable by these bearing portions 2a, 2b, 3a, that is, hinge portions.
[0014]
Here, the shaft slip-off preventing member 5 is inserted into the recess 1h of the camera body 1 so that the shaft member 4 does not fall out. At this time, the battery lid 2 has a protrusion 2f, and the rear lid 3 has Since the projections 3f are present, they become obstructive and the shaft drop prevention member 5 cannot be inserted into the recess 1h of the camera body as it is, so that the battery lid 2 and the rear lid 3 are attached to the camera body 1 as shown in FIG. On the other hand, the projecting portion 2f and the projecting portion 3f are retracted from the insertion path of the shaft slip-off preventing member 5 in a slightly opened state.
[0015]
Here, the shaft dropout prevention member 5 is inserted into the recess 1 h of the camera body 1. FIG. 5 shows a state after the shaft dropout prevention member 5 is inserted. When the battery lid 2 and the rear lid 3 are rotated so as to be closed with respect to the camera body from this state, the protrusion 2f and the protrusion 3f are respectively connected to the holes 5a and 5a of the shaft dropout prevention member 5 shown in FIG. 5b is fitted and inserted as an engaging means, and the state shown in FIG. 2 is obtained. That is, the battery lid 2 and the rear lid 3 are completely closed, and the shaft dropout prevention member 5 is also completely accommodated in the recess 1h. FIG. 7 is a cross-sectional view of the camera taken along a virtual plane CCCC around the hinge portion in FIG.
[0016]
Next, the operation of the first embodiment configured as described above will be described.
From the state shown in FIG. 2, it is possible to rotate the rear cover 3 around the shaft member 4 as a rotation axis as shown in FIG. Even when the battery cover 2 is opened, the protrusion 2f of the battery cover 2 is fitted in the hole 5a of the shaft dropout prevention member 5, so that the shaft dropout prevention member 5 does not fall off and the shaft member 4 remains as it is as a hinge. This function is retained.
[0017]
Further, the battery lid 2 can be rotated about the shaft member 4 as a rotating shaft as shown in FIG. 1 in order to load or replace the battery with respect to the camera. Since the projection 3f of the lid 3 is fitted in the hole 5b of the shaft slip-off preventing member 5, the shaft slip-off preventing member 5 is not dropped and the shaft member 4 remains as it is, and the function as a hinge is maintained. That is, the hinge function is maintained without any problem in the normal operation state.
[0018]
In the camera configured as described above, the battery lid 2 and the rear lid 3 which are damaged due to any cause are replaced with new battery lids and rear lids, or a rear lid which does not have a date imprinting function is used. In order to replace the rear cover with a date imprinting function and vice versa, the battery cover 2 and the rear cover 3 are slightly opened with respect to the camera body 1 as shown in FIG. The portion 2f and the protrusion 3f are retracted from the holes 5a and 5b of the shaft dropout prevention member 5.
[0019]
Thereafter, the shaft dropout prevention member 5 is pulled out in the direction of arrow A in the figure, and then the shaft member 4 is pulled out from the hinge portion with a tool or the like as shown in FIG. Thereby, the battery lid 2 and the rear lid 3 can be arbitrarily exchanged easily. Thereafter, the assembly may be performed in the reverse order.
Next, a camera according to a second embodiment of the present invention will be described.
[0020]
FIG. 9 is a cross-sectional view showing a hinge part of the camera of this embodiment. FIG. 10 is a component projection view of a single shaft slip-off preventing member of the portable camera. FIG. 11 is a partial perspective view of a portion B corresponding to FIG. 5 similar to FIG. 6 of the first embodiment, in which a shaft slip-off preventing member to be described later is removed, and the rear lid 9 and the battery lid. 2 shows an open state. The rear lid 9 has only the protrusion 3f of the rear lid 3 in the first embodiment. FIG. 12 is a partial perspective view shown in FIG. 11 in which a shaft drop prevention member 8 described later is attached and the rear lid 9 is closed.
[0021]
In FIG. 9, the rear lid 9 and the battery lid 2 are assembled to the camera body 1 via the shaft member 10. The structure is almost the same as that of the first embodiment described above, but the shaft member 10 in this figure is slightly shorter than the first embodiment, so that it does not fit into the shaft slip-off preventing member 8 and is attached thereto. It has become. And the groove part 10a is provided in the middle position. Unlike the first embodiment, the shaft dropout prevention member 8 does not have a hole into which the shaft member 10 is fitted.
[0022]
As shown in the component diagram of FIG. 10, the shaft dropout prevention member 8 has a widened portion 8c at its lower portion and slopes 8b on both sides. Moreover, it has the hole part 8a so that the protrusion part 2f of the battery cover 2 can be inserted.
Since the rear cover 9 of this embodiment does not have the convex portion 3 f shown in the first embodiment, the rear cover 9 does not engage with the shaft dropout prevention member 8.
[0023]
Further, as shown in FIG. 9, the hinge 9a of the rear cover 9 has a notch 9g that cannot be seen from the appearance of the camera when the rear cover 9 is closed with respect to the camera. Shows a part 10a of the shaft member 10.
FIG. 11 is a partial perspective view of a portion of the camera body of the present embodiment into which the shaft dropout prevention member 8 is inserted. The wall portions on both sides of the recess 1h of the camera body for inserting the shaft dropout prevention member 8 are formed with slopes 1q. Therefore, when the shaft dropout prevention member 8 is inserted into the recess 1h of the camera body with the shaft member 10 inserted, the battery cover 2 is opened and the projection 2f is retracted from the insertion portion of the camera body recess 1h. And insert it. When this insertion is completed, the inclined surface 8b of the shaft dropout preventing member 8 and the recessed inclined surface 1q of the camera body are in close contact as shown in FIG. As a result, the shaft drop prevention member 8 is not easily detached from the camera body 1.
[0024]
FIG. 12 shows a state in which the rear lid 3 is closed. Thereafter, when the battery lid 2 is closed, the convex portion 2f of the battery lid 2 and the hole 8a of the shaft slip-off preventing member 8 are engaged as engaging means, and the shaft slip-off preventing member 8 does not fall off.
According to the camera of the present embodiment, it has substantially the same operation as the first embodiment described above, but when removing the lid or the like, it is not necessary to open and close the rear cover 9 as in the first embodiment, and the battery After the lid 2 is opened, the shaft dropout prevention member 8 is removed from the camera body 1, and then the rear lid 9 is opened and a tool or the like is inserted into the groove 10a of the shaft member 10 through the notch 9g. Then, the shaft member 10 may be moved in the direction of arrow F in FIG. 9 to remove the shaft member 10 from the hinge portion, and thereafter, it may be assembled in the reverse order described above. In this way, the operation can be performed arbitrarily and easily.
(Appendix)
Based on the embodiments described above, a camera having the following configuration can be proposed. That is,
(1) In a hinge device for a camera having a plurality of rotating lids,
A first lid hinge bearing for pivoting movement;
A second lid hinge bearing that pivots;
A hinge bearing provided on the camera body;
A shaft member passing through the three hinge bearings;
After passing the shaft member through the three hinge bearings, the shaft member covers the end of the shaft member and prevents the shaft member from coming off;
Engagement means provided between at least one of the first lid or the second lid and the shaft slip-off preventing member;
A hinge device for a camera, characterized in that when the engaging means is engaged, the shaft slip-off preventing member is prevented from falling off the camera.
(2) In a camera in which a battery lid that is rotated to open and close to store a battery and a rear lid that is rotated to open and close to take in and out a film for shooting are rotated by the same hinge.
A hinge bearing provided on the camera;
A hinge bearing for rotating the battery lid;
A hinge bearing for the rear lid,
A shaft member passing through the three hinge bearings;
A shaft slip-off preventing member that covers the end of the shaft member after passing the shaft member through the three hinge bearings and prevents the shaft member from coming off,
Engagement means provided between at least one of the battery lid or the rear lid and the shaft slip-off preventing member;
A hinge device for a camera, characterized in that, when the engaging means is engaged, the shaft slip-off preventing member is prevented from coming off from the shaft member.
[0025]
【The invention's effect】
As described above, according to the present invention as described above, the camera hinge device can easily attach or remove the lid or the like provided thereto to the camera body.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an appearance of a camera according to a first embodiment of the present invention when viewed obliquely from below and with a battery lid in an open state.
2 is a perspective view showing an external appearance of the camera of FIG. 1 with a battery lid and a rear lid closed.
3 is an exploded perspective view of the camera shown in FIGS. 1 and 2. FIG.
4 is a perspective view showing an external appearance of the camera shown in FIG. 2 with its rear cover open. FIG.
5 is a perspective view showing the appearance of the camera shown in FIG. 2 with its rear cover and battery cover open. FIG.
6 is a partial perspective view of a portion B in FIG. 5 in a state in which a shaft dropout prevention member is removed. FIG.
7 is a cross-sectional view of a hinge portion taken along a virtual plane CCCC in FIG. 2;
FIG. 8 is a projected view (three views) of a single shaft slip-off preventing member according to the first embodiment.
FIG. 9 is a cross-sectional view of a hinge part of a camera according to a second embodiment.
FIG. 10 is a projected view (two views) of a single shaft slip-off preventing member according to the second embodiment.
11 is a partial perspective view of the same portion as that of FIG. 6 according to the second embodiment, showing a state in which the shaft dropout prevention member has been removed, and showing a state in which the rear lid and the battery lid are open. ing.
12 is a partial perspective view showing a state where a shaft dropout preventing member is attached and the rear lid is closed in FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Camera body 2 Battery cover 3,9 Rear cover 4,10 Axial member 5,8 Axle omission prevention member

Claims (1)

In a hinge device for a camera having a plurality of rotating lids,
A first lid hinge bearing for pivoting movement;
A second lid hinge bearing that pivots;
A hinge bearing fixed to the camera body;
A shaft member passing through the three hinge bearings;
After passing the shaft member through the three hinge bearings, it can be attached to and detached from the camera body separately from the shaft member to cover the end of the shaft member and prevent the shaft member from coming off A shaft slip-off preventing member provided in
Engagement means provided between the first lid and the shaft slip-off prevention member, and engagement means provided between the second lid and the shaft slip-off prevention member;
And at least one of the engaging means between the first lid and the shaft slip-off prevention member and at least one of the engagement means between the second lid and the shaft slip-off prevention member is engaged. A hinge device for a camera, characterized in that the shaft slip-off preventing member is prevented from falling off from the camera when they are joined.

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