JP4789537B2 - Electrical equipment with a lid - Google Patents

Description

  The present invention relates to an electric device, specifically a digital camera, which can be unlocked and opened when a lid is advanced.

  For the electrical device that opens the lid (2) by opening the lid (2) on the case (1) and opening the lid (2) forward, the electrical equipment shown in FIG. , (B), and (c) (see Patent Document 1). This covers the upper surface of the case (1) so that the lid (2) can be opened and closed, and the lid (2) can be moved back and forth. A claw piece (20) is provided at the tip of the lid (2), and a hook piece (10) that engages with the claw piece (20) is provided at the tip of the case (1). The claw piece (20) and the hook piece (10) engage with each other at the retracted position of the lid (2) shown. In this state, the lid (2) is closed and locked, and the claw piece (20) and the hook piece (10) constitute a locking mechanism (21) of the lid (2). The lid (2) has a pivot (30) serving as an opening / closing center, and a torsion spring (3) for urging the lid (2) in the opening direction is provided on the pivot (30).

  When the lid (2) in the retracted position is moved forward with a finger, the engagement between the claw piece (20) and the hook piece (10) is disengaged as shown in FIG. 7 (b), and the lid (2) faces upward. Can be opened. When the cover (2) is moved forward, the cover (2) is automatically opened by the biasing force of the torsion spring (3) as shown in FIG. 7 (c).

Japanese Patent Laid-Open No. 2000-200903

7 (a), 7 (b), and 7 (c), the lid (2) needs to be advanced, the lid (2) is unlocked, and the lid (2) must be opened. There is. Therefore, the distance that the lid (2) is moved forward with a finger is long.
An object of the present invention is to improve the operability when opening the lid (2) by shortening the distance for operating the lid (2) with a finger.

  The electric device is disposed between the case (1), the lid (2) provided on the case (1) so as to be movable back and forth, and the lid (2) and the case (1). 2) Lock mechanism (21) that locks the lid (2) at the retracted position and unlocks the lid (2) at the advanced position, and is provided at the pivot of the lid (2). And urging the lid body (2) in the opening direction, and a spring body for urging the lid body (2) forward in a state before the lid body (2) is advanced from the retracted position and unlocked. It is.

  Even if the finger is released from the lid (2) in the state before unlocking with the lid (2) slightly advanced from the retracted position, the lid (2) is urged forward by the spring body. The lid (2) automatically moves forward and unlocks and opens. Accordingly, the distance for the forward operation of the lid (2) with a finger is shorter than in the conventional case, and the operability when opening the lid (2) is improved.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a perspective view of an electric device, specifically, a digital camera. The cabinet (6) is provided with a liquid crystal panel (62) and operation buttons (63) as is well known, and a case (1) for storing a battery or the like is built in the cabinet (6). A lid (2) covering the case (1) is provided on one side of the cabinet (6). On the surface of the lid (2), a ridge (22) for hooking a finger is provided. By pushing the ridge (22) forward with a finger and opening the lid (2), a memory card ( (Not shown) can be inserted into the cabinet (6).
2 (a) and 2 (b) are side views of the lid body (2), (a) is the retracted position of the lid body (2), and (b) is the lid body (2) moved forward and locked. Each position before release is shown. As in the prior art, the lid (2) is unlocked and can be opened at the position where the forward movement is completed. As shown in FIG. 2 (b), the lid (2) is provided with a pivot (30) at the base end (that is, the rear end) and rotates around the pivot (30). A torsion spring (3) is fitted on the pivot (30), and the lid (2) is urged in the opening direction by the torsion spring (3).

3 (a) is a cross-sectional view of FIG. 2 (b) cut along the plane including the line AA, and FIG. 3 (b) is a cross-sectional view of FIG. 2 (b) cut along the plane including the line BB. FIG. 4 is a bottom view of FIG. 3A viewed from the direction of arrow C. FIG. As shown in FIGS. 3 (a) and 4, a spring piece (4), which is a leaf spring in contact with the lower end of the pivot (30), is attached between the cabinet (6) and the case (1).
The pivot (30) is in the position indicated by the dotted line in FIG. 3 (a) in the retracted position, and is in the position indicated by the solid line at the position before unlocking the lid (2). A crest (40) swelled upward is formed at a substantially central portion in the longitudinal direction on the spring piece (4), and the pivot (30) passes through the crest (40) when the lid (2) moves back and forth. By doing so, the spring piece (4) is bent downward and deformed. The user who operates the lid (2) feels a click on the finger. When the pivot (30) passes through the peak (40), the lid (2) is not yet unlocked.

  As shown in FIG. 3 (b), the claw piece (20) is engaged at the tip of the lid (2) and the claw piece (20) is engaged with the claw piece (20) in the cabinet (6) as in the prior art. 10) is provided, and the claw piece (20) and the hook piece (10) constitute a locking mechanism (21) of the lid (2). The lid (2) is biased in the opening direction by the torsion spring (3), but the lid (2) is closed by the lock mechanism (21) in the retracted position. When the lid (2) is advanced from the retracted position, the claw piece (20) and the hook piece (10) are disengaged, and the lid (2) can be opened.

The upper leg piece (31) of the torsion spring (3) is in contact with the back surface of the lid (2), and the lower leg piece (32) is in contact with the upper surface of the case (1) covered with the lid (2). In the cabinet (6), an opening (61) for inserting a memory card is opened outside the case (1), and the upper surface of the case (1) is opened before the cover (2) is unlocked. In this state, a guide portion (5) for guiding the lower leg piece (32) to open is formed. The guide part (5) is a tapered surface inclined downward toward the front. When the lid (2) is slightly advanced and the leg piece (32) falls into the guide part (5), the lid (2 ) Is biased in the forward direction.
That is, as shown in FIG. 3 (b) from the retracted position, the lid (2) is slightly advanced with a finger, and when the finger is released at a position where the click feeling by the peak (40) is felt, the torsion spring (3) The lower leg piece (32) falls from the upper surface of the case (1) into the guide portion (5), and the lid (2) is urged in the opening direction and in the advancing direction.
As a result, even when the lid (2) is slightly advanced from the retracted position before unlocking and the finger is released from the lid (2), the lid (2) is moved forward by the torsion spring (3). Be energized. The lid (2) automatically moves forward and unlocks and opens. Accordingly, the distance for the forward operation of the lid (2) with a finger is shorter than in the conventional case, and the operability when opening the lid (2) is improved. When the cover (2) is unlocked, the torsion spring (3) opens as shown in FIG. 5, and the memory card can be inserted into and removed from the opening (61). When closing the lid (2), if the lid (2) is closed by hand and the lid (2) is retracted with a finger against the torsion spring (3), the lid (2) Is locked.

As shown in FIG. 6, such an electric device has a metal plate (7) pivotally supported (70) on a cabinet (6), and a lid (2) can be moved back and forth on the metal plate (7). Some are provided. The metal plate (7) is biased in the opening direction by the torsion spring (3), and the lid (2) can be rotated up and down.
However, in the present application, since the lid (2) is pivotally supported directly on the cabinet (6), the configuration for opening and closing the lid (2) can be made thinner than the configuration shown in FIG. There are benefits.

The above description of the embodiments is for explaining the present invention, and should not be construed as limiting the invention described in the claims or reducing the scope thereof. In addition, the configuration of each part of the present invention is not limited to the above embodiment, and various modifications can be made within the technical scope described in the claims.
In this example, the digital camera is exemplified as the electric device. However, it goes without saying that the configuration of this example can be applied to all electric devices having a lid.
Further, the lid (2) is formed by making the back surface (D surface in FIG. 3 (a)) of the cabinet (6) in contact with the pivot (30) urged by the spring piece (4) into a cam shape and a corrugated shape. The click feeling felt by the user when moving back and forth can be appropriately changed.

It is a perspective view of a digital camera. It is a side view of a lid, (a) shows a retreat position of a lid, and (b) shows a position before a lid advances and a lock is released, respectively. FIG. 2A is a cross-sectional view of FIG. 2B cut along the plane including the line AA, and FIG. 2B is a cross-sectional view of FIG. 2B cut along the plane including the line BB. . It is the bottom view which looked at Fig.3 (a) from the arrow C direction. It is sectional drawing which shows the state which the cover body opened. It is sectional drawing which shows the structure of another cover body. (a), (b), (c) is sectional drawing of the conventional lid.

Explanation of symbols

(1) Case
(2) Lid
(3) Torsion spring
(5) Guide part
(6) Cabinet
(21) Lock mechanism
(30) Axis

Claims (3)

A case (1), a lid (2) provided on the case (1) so as to be movable back and forth, and a lid (2) disposed between the lid (2) and the case (1). A locking mechanism (21) that locks the lid (2) at a position and unlocks the lid (2) at a forward position, and a lid (2) provided at a pivotal portion of the lid (2) 2) with a spring body that urges the lid body (2) forward and urges the lid body (2) forward when the lid body (2) moves forward from the retracted position and before unlocking. And electrical equipment. The spring body is a torsion spring (3) that fits on the pivot (30), which is the pivot of the lid (2), and the lid (2) moves forward from the retracted position in the case (1) before unlocking. The electrical device according to claim 1, wherein a guide portion (5) for guiding one leg piece (32) of the torsion spring (3) to open is formed. The electric device according to claim 1 or 2, wherein a spring piece (4) extending in the front-rear direction is in contact with the pivot (30), and a click feeling is given by the spring piece (4) when the lid (2) is moved back and forth. .

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