JPH02101798A - Cabinet of small-sized electronic machine - Google Patents

Abstract

PURPOSE:To enable the replacement of a slide lid and a battery with one hand by engaging both ends of a battery lid rotary shaft with a long groove installed in a main body so as to be capable of free slide revolution, fixing a connection terminal to be connected with the battery and an electronic parts terminal at the time of lid shutting to the inner surface of the battery lid, and installing a retaining part to be engaged at the time of lid opening, on the opening and shutting end part of the battery lid. CONSTITUTION:When a rotary shaft 6 is made to slide in a long groove 7, coupling between a retaining part 10 and a retaining claw 11 is released. Then a battery lid 3, which has been shut withstanding the force energized by a spring 9, is opened, and a battery 8 is pushed out by the spring force. After the battery is replaced, the battery lid 3 is revolved; a battery is pressed down withstanding the spring force; the retaining part 10 and the holding claw 11 are engaged with each other; hence the lid is shut. Thereby, a series of operation of battery replacement and lid shutting is enabled by one-handed operation. By this set-up, the coupling of battery lid is strengthened by the effect of spring force cf the battery pushing spring; when the battery is not loaded, the spring force is not applied, so that the opening and shutting of the lid is freely enabled, and handling is made easy.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a housing for a small electronic device, and more particularly to an improvement in the opening/closing mechanism of a battery cover.

BACKGROUND ART FIGS. 6A and 6B show the appearance of the casing of a conventional small radio device. In FIG. 6A, the battery t7 is inserted through the opening of the housing 16, and the slide lid 1B is inserted in the direction of the arrow to close the lid.

In FIG. 6B, the slide lid 19 covering the battery compartment has a locking part 20 with a cross-sectional shape at its tip, and by inserting it in the direction of the arrow, the locking part 20 is engaged with the inner wall of the housing 21. The lid can be closed.

Problems to be Solved by the Invention In the case of the conventional casing as described above, when the user of the device pulls out the sliding lid to replace the battery, the lid is carelessly removed from the hook on the sliding lid and lost. There was a problem.

In addition, it is necessary to use both hands to remove the lid and take out the battery when replacing the battery, making it difficult to use with one hand.

The present invention provides a housing for a small electronic device that is easy to use and allows the sliding lid and battery to be replaced by one-handed operation without the risk of losing the lid.

Means for Solving the Problems In order to achieve the above-mentioned object, the present invention has a battery storage section in the main body, which is made by fitting two halves of the housing main body from both sides of the rotating shaft at the end of the battery cover and integrating them with screws, etc. and has an electronic parts storage section,
Both ends of the battery cover rotating shaft are slidably and rotatably fitted into long grooves provided at corresponding positions inside the main body, and the connection terminals that are connected to the battery and electronic component terminals when the cover is closed are fixed to the inner surface of the battery cover, and the battery cover is also opened and closed. The end portion is provided with a holding portion that engages with the engaging portion provided in the opening of the casing main body when the lid is closed, and a spring biased toward the opening of the casing is provided on the bottom surface of the battery storage portion.

Function Since the present invention adopts the above-described configuration, the sliding and rotating battery cover can be opened and closed without separating from the casing.
Moreover, the battery cover can be slid and rotated with one hand, and the spring force pops out the battery as soon as the cover is opened, making it easy to replace the battery with one hand.

Embodiment FIGS. 1A to 4 show an embodiment of a small electronic device casing according to the present invention.

First, the configuration will be explained with reference to FIGS. 1A and 1B and FIG. 2.

1 is a small electronic device housing, which is used to house, for example, a wireless pager, radio, tape recorder, electronic translator, etc. This housing 1 has a main body 2a divided into two parts on the circumferential side.
The main body 2a and the main body 2b are assembled with screws, and have a battery storage section 4 and an electronic component storage section 5 inside the main body. Reference numeral 6 denotes a rotating shaft provided at one end of the battery cover 3, and both ends thereof are fitted from both sides of the rotating shaft 6 into long grooves 7 provided at corresponding positions on the inner surfaces of the main bodies 2a and 2b, which are integrated, so that the battery cover 3 can slide and rotate freely. installed on. 8 is a small battery stored in the storage part 4; 9 is a spring provided on the bottom of the battery storage part 4; a coil spring or a plate spring is used; it is always biased toward the opening side; when the lid is opened, one part of the battery 8 is It is configured so that it contacts the pole side and the + pole side protrudes to the outside. IO is a claw-shaped holding part provided inside the opening/closing end of the battery lid 3, and II is the main body 2a or main body 2 on the opening/closing end side of the battery lid 3.
b A retaining type provided on the inner wall, which can be engaged with the holding portion 10 of the battery lid 3 to close the battery lid 3.

Reference numeral 12 denotes a connection terminal provided on the inner surface of the battery lid 3, which contacts the end of the battery 8 and has a contact 13 at the end for supplying power to electronic equipment.

The operation will be explained according to FIGS. 2 and 3.

As shown in FIG. 2, when the battery cover 3 is closed against the biasing force of the spring 9, when the rotating shaft 6 is slid within the long groove 7, the holding part lO and the retaining mold 11 are disengaged and the cover is opened. Then, as shown in FIG. 3, the battery 8 pops out due to the spring force. After replacing the battery, the battery lid 3 is rotated, the battery is pushed down against the spring force, and the holding part 10 and the retaining mold 11 are engaged to close the lid. A series of operations such as opening the lid of the casing l, replacing the battery, and closing the lid can be performed with one hand.

In the above embodiment, the connection terminal on the inner surface of the battery lid and the terminal on the main body side slide into contact with each other when the lid is opened and closed, and the structure is such that dirt, etc. on the surface of the contact surface is wiped away when replacing the battery. , to maintain good electrical contact at all times.

FIGS. 4 and 5 show other embodiments.

Fig. 4 shows a device that prevents the lid from being opened inadvertently due to negligence when the lid is closed, and the rotating shaft 6 of the battery lid 3 is locked toward the lid surface side at the end of the long groove I4 on the side where it is located when the lid is closed. L-shaped long grooves 14 are formed by continuously forming grooves. Therefore, when the lid is closed when the holding mIO and the retaining mold 11 are engaged, the rotating shaft 6
is fitted into the locking groove part of the L-shaped long groove 14 by spring force,
The battery cover 3 cannot be slid horizontally. When opening the lid, the battery lid 3 can be pressed against the spring force to disengage from the engagement groove and slide the lid.

Fig. 5 shows a structure in which the holding part 15 is made difficult to disengage from the retained air.The holding part 15 is formed into a U-shape in cross section, and the height of the claw at the tip is set to 1. and main body 2a,
A gap L2, which is slightly wider than Lr, is provided between the opening edge of 2b and the opening edge. Therefore, when the lid is closed, the retaining air 11 engages with the height tab of the holding part due to the spring force to prevent the lid from sliding, and presses the battery lid 3 against the spring force. After disengaging the claw from the retained air 11, the lid can be opened by sliding.

Effects of the Invention Since the present invention adopts the above-described configuration, the sliding and rotating battery cover fits into a part of the main body, and unlike the removable type, it cannot be accidentally dropped or lost. Moreover, battery replacement and opening/closing of the lid can be done with one hand.The spring force of the battery push-out spring makes the battery cover fit firmly, and if no battery is installed, the spring force does not work, so the lid can be closed easily. It has the advantage of being easy to use and can be opened and closed freely.

[Brief explanation of the drawing]

Figure 1A is an external view showing one embodiment of the present invention, Figure 1B
2 is an exploded perspective view, FIG. 3 is a sectional view with the lid open, FIGS. 4 and 5 are sectional views of main parts showing other embodiments of the battery lid, and FIG. 6 is a sectional view of the same. A and B are perspective views of a conventional small electronic device case. 1... Housing 6... Rotating shaft 9... Spring 12... Connection terminal 15... Holding parts 2a, 2b... Main body 3... Battery cover 7... Long groove 8... Small battery IO...holding part II...retained air 13...contact 14...long groove

Claims (3)

[Claims] (1) The main body, which is divided into two halves, is fitted from both sides of the rotating shaft at the end of the battery lid, and integrated with screws, etc. The main body has a battery compartment and an electronic parts compartment, Both ends fit into long grooves provided at corresponding positions within the main body so that they can slide and rotate freely.
Connecting terminals that connect to the battery and electronic component terminals when the lid is closed are fixed to the inner surface of the battery lid, and a holding portion that engages with the engaging portion provided in the opening of the casing body is provided at the opening/closing end of the battery lid, which engages when the lid is closed. A casing for a small electronic device comprising a spring biased toward the opening of the casing on the bottom of a battery compartment. (2) The casing of a small electronic device according to claim 1, wherein a locking groove for preventing a slide is continuously formed at the end of the long groove in the main body that fits with the rotating shaft of the battery cover. (3) The battery lid holding part has a U-shaped cross section, and a gap slightly wider than the height of the claw at the tip is interposed between the end face of the holding part of the closed lid and the opening edge of the main body. Housing for small electronic devices.