JP2569598Y2 - Battery lid structure - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery cover structure for a camera, a portable audio device and the like.

[0002]

2. Description of the Related Art In recent years, various battery-operated instruments, such as cameras and portable audio devices with built-in electronic mechanisms, have been widely used. Many of these have a configuration in which a battery is stored in a battery storage section of the appliance body and covered with a battery lid.

FIG. 3 shows an example of a battery cover provided on a camera body. That is, a grip portion 30a is formed on one side of the camera body 30, and the grip portion 30a is formed.
A has a battery housing (not shown) inside. The battery cover 31 is attached to the bottom surface of the grip portion 30a so as to cover the opening of the battery storage portion.
1a is pivotally supported on the bottom of the camera body so that it can be opened and closed. When the operation piece 32 is moved in the left-right direction, the opening / closing lever provided on the back surface of the battery cover 31 is engaged with and disengaged from a locking portion (not shown) of the camera body.

As described above, various structures are conventionally known for the mechanism for moving the opening / closing lever to disengage the battery cover. FIG. 4 is a sectional view of a main part showing one example. The figure shows the camera with the bottom part facing upward, 21 is an underlay plate, which is a component on the camera body side, 23 is a battery cover that covers the battery housing, and 25 is a slide on the end of the battery cover. Open / close lever movably mounted.

[0005] The battery cover 23 has an opening 23a facing the operation projection 25a of the opening / closing lever 25, and a guide portion 23b for guiding the upper surface of the opening / closing lever 25 so that the opening / closing lever 25 slides back and forth. Is provided with a side guide portion 23c for guiding the side surface.

At the time of assembly, the open / close lever 25 is inserted between the left and right side guides 23c of the battery cover 23 from below in the figure, and the lower surface of the open / close lever 25 is pressed by the open / close lever pressing plate 27. Next, the opening / closing lever holding plate 27 is fixed by bonding or welding to a plurality of support projections 23d projecting from the inner surface (the lower surface in the figure) of the battery lid 23.

The opening / closing lever 25 is made of a synthetic resin and has a spring portion 25b at its rear end.
Urges the opening / closing lever 25 forward by resiliently springing the spring receiving portion 23e of the battery lid 23. A stopper protrusion 25c is formed on the upper surface of the opening / closing lever 25. The stopper protrusion 25c engages with a front edge of a concave portion 23f formed on the inner surface of the battery lid 23 to regulate the front position of the opening / closing lever 25. I have.

The opening / closing lever 25 has an engaging claw 2 at its front end.
When the opening / closing lever 25 is at the front position, the engaging claw 25d is at a position where it can engage with the lower decoration plate 21, and the operating projection 25a is operated to move the opening / closing lever 25 rearward. When retracted to the position, the engagement with the lower decoration plate 21 is released.

However, in order to mount the opening / closing lever 25 on the battery cover 23 in this conventional battery cover structure, a separate opening / closing lever pressing plate 27 is required, and this opening / closing lever pressing plate 27 is fixed to the battery cover 23. However, there is a problem that the number of parts and the number of assembly steps increase, and the manufacturing cost increases. Further, in this battery lid structure, a stopper projection 25c for regulating the front position of the opening / closing lever 25 is formed in the concave portion 23 formed on the inner surface of the battery lid.
Since it is configured to move within the range of f, there is a problem that the opening / closing load of the opening / closing lever spring portion 25b cannot be freely selected.

[0010]

SUMMARY OF THE INVENTION The present invention provides a battery lid structure in which the number of components of the battery lid is reduced, the number of assembling steps is simplified, and the opening / closing load of the spring portion of the opening / closing lever can be freely taken. What you want to do.

[0011]

Means for solving the above problems are as follows: a battery cover having an open / close lever holding portion integrally formed on the back surface thereof;
And a holding open / close lever.
To the battery cover structure that locks the engaging claw part
There are, to the opening and closing lever holding portion of the battery lid, so as to form an insertion opening which is the opening and closing lever adapted to be inserted from the battery cover back side direction, the rear end of the opening lever, the battery
Interfering with the peripheral edge of the lid, the opening and closing lever is
A bar that always urges in the direction in which the dovetail engages the decorative plate on the main unit side.
And a stopper projection is formed on the back surface of the opening / closing lever, and the stopper projection interferes with an edge of the opening / closing lever holding portion of the battery lid to regulate forward movement of the opening / closing lever. It is characterized by the following.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below by taking as an example a case where the present invention is applied to the battery lid of the single-lens reflex camera shown in FIG. FIG. 1 is an exploded perspective view of the back surface of the battery cover of the present invention, FIG. 2 is a cross-sectional view of a main part after assembly, and FIG. 2 shows a state in which the bottom of the camera is turned up.

In FIG. 1, reference numeral 1 denotes a battery cover, and reference numeral 2 denotes an opening / closing lever attached to the back surface of the battery cover 1. These are made of synthetic resin and are formed by injection molding or the like. As shown in FIG. 2, an opening 9 is formed at the front end of the battery cover 1 so as to face the operation protrusion 3 of the opening / closing lever 2. The upper surface of the opening / closing lever 2 is moved so that the opening / closing lever 2 slides back and forth. Are formed, and side guides 8b, 8b for guiding left and right side surfaces are formed.

A projecting edge 7 is formed on the back surface of the battery lid 1 in the circumferential direction, and a receiving portion 7a bulging in the direction of the front end is formed on the rear end of the projecting edge 7. I have. Further, at a position corresponding to the opening 9 on the back surface, an opening / closing lever 2 is provided.
Is integrally formed with the holding portion 8 for holding the slidably.

The holding portion 8 comprises a bottom plate portion 8a and the above-mentioned side guide portions 8b, 8b, and the bottom plate portion 8a is flush with the protruding edge portion 7. A first insertion opening 8c and a second insertion opening 8d communicating with the opening 9 are formed at a front end and a rear end of the bottom plate 8a, and the opening area of the second insertion opening 8d is equal to the first insertion opening 8c. It is configured larger than that of. A step 8e is formed at the rear end of the side guides 8b. Further, a pin 1b is formed on the rear end protruding surface 1a of the battery cover 1, and the pin 1b is pivotally supported on the bottom of the camera body.

The opening / closing lever 2 includes a flat plate portion 10 and spring portions 6 and 6, and the spring portions 6 and 6 are formed to branch off from the constricted portion 2a of the flat plate portion 10 in the left-right direction. The spring portions 6, 6 extend substantially parallel to the rear edge of the flat plate portion 10, and projecting portions 6b, 6b are formed at both ends.

An operation projection 3 is formed on the surface of the opening / closing lever flat plate portion 10. An engaging claw 4 is formed at the front end of the rear surface, and a stopper projection 5 is formed near the rear end. The engaging claw portion 4 has a wedge-shaped cross section, is formed so as to protrude from the front end edge of the flat plate portion 10, and engages with the front edge portion of the lower decoration plate 11 (see FIG. 2) which is a constituent member of the camera body. Are adapted.

When attaching the opening / closing lever 2 to the battery cover 1, first, the tip of the opening / closing lever 2 is inserted through the insertion opening 8d of the holding portion 8 on the back surface of the battery cover. At this time, the spring portions 6 and 6 of the opening and closing lever 2 are bent upward, and both side surfaces of the opening and closing lever flat portion 10 are guided and inserted into the inner surfaces of the side guide portions 8b and 8b of the opening and closing lever holding portion 8. Then, the opening / closing lever 2 is pushed in until the front edges of the spring portions 6, 6 hit the step portions 8e, 8e, and the engaging claw portion 4 of the opening / closing lever 2 is projected from the other insertion opening 8c. A notch 8f for releasing the engaging claw 4 when the opening / closing lever is inserted is formed in the inner surface of the holding portion bottom plate 8a as shown in FIG.

When the opening / closing lever 2 is attached to the battery cover 1 in this manner, the surface of the opening / closing lever flat plate portion 10 comes into contact with the guide portions 9a and 9b near the opening 9 and the back surface portion is the holding portion bottom plate portion 8a. , And both side surfaces of the open / close lever flat plate portion 10 are in contact with the inner surfaces of the side guide portions 8b, 8b. Also, spring portions 6, 6 of the opening / closing lever 2
Projecting portions 6b, 6b abut against the rear end portion 7b of the protruding edge portion of the battery cover 1, and the resilient force of the spring portions 6, 6 makes the stopper projection 5b.
Abuts against the rear end edge 8g of the holding portion bottom plate 8a, whereby the front position is regulated.

Next, an operation example of the above embodiment will be described. First, the opening / closing lever 2 is always at the front position due to the elasticity of the spring portions 6 and 6, and when the battery cover 1 is closed, the engaging claw portion 4 is moved to the lower decoration plate. 11 is engaged. When the operation protrusion 3 is moved backward to open the battery cover 2, the opening / closing lever 2 supported by the bottom plate portion 8 a of the holding portion 8 is moved to its flat plate portion 10.
Is guided by the guide portions 9a and 9b, and the flat plate portion 10
Are guided by the inner surfaces of the side guide portions 8b, 8b, and both side surfaces of the engaging claw 4 are guided by the both side surfaces of the first insertion opening 8c to move. At this time, the opening / closing lever 2 moves against the reaction force of the spring portions 6 and 6, and the central portion 6 of the spring portion 6 moves.
When a contacts the receiving portion 7a of the battery lid protruding edge portion 7, the backward movement of the opening / closing lever 2 is restricted. In this state, the engaging claw 4 is disengaged from the front edge of the lower decorative plate 11, so that the battery cover 1 can be opened with the pin 1b as a pivot.

When the battery cover 1 is closed, the operation projection 3
When the operation protrusion 3 is released after the battery cover 1 is closed in a state where the opening / closing lever 2 is retracted by the lever, the opening / closing lever 2 moves forward by the elastic force of the spring portions 6 and 6, and the stopper protrusion 5 is moved to the holding portion bottom plate. The forward movement is restricted by contacting the rear end edge 8g of the portion 8a. As a result, the engaging claw portion 4 protrudes beyond the guide portion 9a and engages with the lower decorative plate 11. When closing the battery cover 1, the following method may be used. That is, the engaging claw 4 is lightly brought into contact with the upper end of the front edge of the lower decorative plate 11 while the engaging claw 4 is kept at the front position without retracting the opening / closing lever 2 by the operation protrusion 3. When the battery cover 1 is pressed slightly strongly, the tip inclined portion 4a of the engagement claw portion 4 interferes with the front edge of the lower decorative plate 11, and the opening / closing lever 2 retreats, and the battery cover 1 is lowered to a predetermined position. Then, the opening / closing lever 2 moves forward by the resilient force of the spring portions 6, 6, and the engaging claw portion 4 is engaged with the lower decoration plate 11.

The above-described embodiment is an example of the present invention. For example, the shapes of the spring portions 6 and 6 and the leg opening angles are arbitrarily changed.
The opening / closing load can be set freely. Battery cover 1
Is pivotally supported by the pin 1a on the lower plate of the camera body. This is fixedly engaged, that is, one end of the battery cover is connected to the lower plate by integral molding, and the connection portion is connected to the battery cover. It may be so thin that it can be opened and closed. Furthermore, the present invention can be applied not only to the battery cover of the camera, but also to portable audio equipment,
The present invention can also be applied to a battery lid of another battery-operated appliance.

[0023]

According to the present invention described above, since the holding portion for holding the opening / closing lever is formed integrally with the back surface of the battery lid, the number of parts is reduced and the assembling process is reduced.
Further, since the opening / closing lever can be inserted into the holding portion from the back side of the battery lid, there is an advantage that the shape of the opening / closing lever spring portion for obtaining a desired opening / closing load can be freely taken. Furthermore, the opening / closing lever is formed at the rear end.
The engaging claw at the tip is always
The battery cover is biased in the direction to
The battery cover does not open easily, and opening and closing the battery cover is easy.
is there.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing an embodiment of the present invention.

FIG. 2 is a sectional view of a main part showing an embodiment of the present invention.

FIG. 3 is a bottom view of a camera body for explaining a conventional battery cover.

FIG. 4 is a sectional view of a main part showing a conventional battery lid locking structure.

[Description of sign]

 DESCRIPTION OF SYMBOLS 1 Battery cover 2 Opening / closing lever 3 Operation protrusion 4 Engagement claw part 5 Stopper protrusion 6 Spring part 7 Protrusion part 7a Receiving part 8 Opening / closing lever holding part 8c 1st opening / closing lever insertion opening 8d 2nd opening / closing lever insertion opening 9 Opening

Claims (1)

(57) [Scope of request for utility model registration] 1. A battery cover having an open / close lever holding portion integrally formed on a back surface thereof , and a battery cover slidably held by the open / close lever holding portion.
Opening / closing lever, which is provided at the tip of the opening / closing lever.
Battery cover structure that locks the engaging claw to the decoration plate on the main body
In the opening / closing lever holding portion of the battery cover, an insertion opening through which the opening / closing lever can be inserted from the back side of the battery cover is formed, and a peripheral end of the battery cover is provided at a rear end of the opening / closing lever. Rim and
Interfering, the open / close lever is moved, and the engaging claw is
A spring portion that is constantly biased in the direction of engagement with the decorative plate is provided , and a stopper projection is formed on the back surface of the opening / closing lever, and the stopper projection interferes with an edge of the opening / closing lever holding portion of the battery lid, and A battery lid structure characterized in that the opening / closing lever is restricted from moving forward.