JPH09326570A - Cell lid lock structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve a portable electronic equipment in reliability by a method wherein a cell lid is enhanced in locking force and a power supply control knob is controlled in operating force. SOLUTION: A power supply switch 8 is of three-position sliding type, and the three positions of the switch 8 denote ON, OFF, and UNLOCK respectively. A knob 1 is so constituted that protrusions 24 and 29 arranged at a certain interval are engaged with grooves 26 and 30 provided to protrusions 25 and 29 fitted through two holes provided to the case cover if the knob 28 is set at positions ON and OFF when the protrusions 24 and 29 are fitted in the case cover protruding from a nearly rectangular thin plate cell lid 2, whereby the cell lid 2 can be locked so as not to slide. A protrusion provided to the tip of an elastic arm 22 which extends from a lug main body is so constituted that a protrusion provided to the case cover is given a load larger than the operating force of a switch knob 19 of a power supply switch 8 when the knob 28 is shifted from a position OFF to a position UNLOCK or from a position UNLOCK to a position OFF.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lock structure for a battery cover, and more particularly to a lock structure for a battery cover linked to a power switch of a portable electronic device.

[0002]

2. Description of the Related Art FIG. 9 is a rear view of an electronic device, for example, an electronic organizer, showing a conventional battery lid lock structure.

In FIG. 9, an electronic organizer 100 has a knob 1
1 and a battery lid 104 having a projection 103 having a barbed cross section. The battery 105 is housed in the battery housing section of the housing case 102, and the battery cover 10
4 slides in the direction of arrow A, and the projection 103 fits into the housing case 102, so that the battery lid 104 covers the battery housing and is fixed to the housing case 102.

FIG. 10 is an enlarged view of a main part around the knob 101 shown in FIG.

In FIG. 10, the knob knob 106 of the knob 101 is an opening 110 provided in the housing case 102.
It is located inside. Further, two protrusions 109 are formed on the side surface of the knob 101.

The switch knob 108 of the power switch 107
The power is turned on when the knob 106 is in the ON position, and is turned off when the knob is in the unlocked position. FIG. 8 shows a power-on state.

The end of the knob 101 is engaged with an L-shaped projection 111 formed on the battery cover 104 in the ON state, and locks the battery cover 104 so that the battery cover 104 does not come off.

On the other hand, in the unlocked state, the end of the knob 101 comes off the battery cover 104, so that the battery cover 104 can slide and slide.

As described above, in the conventional battery cover locking structure, the battery cover is locked by the power supply knob so that the battery 105 is not accidentally removed while the power is on.

[0010] This type of battery lid locking structure is described in, for example, Japanese Patent Application Laid-Open No. 7-7278.

[0011]

However, in recent years,
In this type of portable electronic device, which is becoming lighter and thinner, the thickness of the housing is naturally becoming thinner.
In particular, the operating battery lid is a thin plate with a roughly rectangular shape. Especially, in the case of a mechanism that slides and slides the operating battery lid in the direction parallel to the short side of the battery lid, the locking force is set at one lock point. Is insufficient, and it is temporarily locked (power is on)
However, if a drop impact is applied to the device by accidentally dropping the device or the like, the operation battery cover and the operation battery fall off, causing a malfunction of the device.

Further, the operating force of the operating knob for operating the power switch is basically determined only by the operating force of the knob of the power switch, and the positioning of the operating knob is changed from the locked state to the unlocked state, and from the unlocked state to the locked state. There is no significant difference in the operating force of the operation knob.

Accordingly, the operation knob slides due to an external weak force applied to the operation knob, and the lock is unexpectedly unlocked, or the user easily operates the knob to unintentionally release the lock. The operation battery cover and the operation battery fall off due to some external force without the user noticing that, and a malfunction of the device occurs.

An object of the present invention is to solve the above-mentioned problems and to provide a battery lid lock structure with improved reliability.

[0015]

According to the battery lid lock structure of the present invention, the power switch is used as a 3-position slide switch, and a knob having two protrusions is slidably attached / detached at 2 positions out of 3 positions. It is characterized by engaging and locking the slide of the battery lid of the operating battery.

Also, a thin plate-like elastic piece having a protrusion at the tip of the knob is provided to provide resistance by the protrusion over the protrusion provided on the housing cover only before and after unlocking the battery cover for operation. I do.

Further, the present invention is characterized in that two thin plate-shaped projections having grooves to be fitted with knob protrusions and two hooks having an arrowhead cross section are fitted to the housing cover on the battery lid.

[0018]

DETAILED DESCRIPTION OF THE INVENTION The present invention will now be described in detail with reference to the drawings.

FIG. 1 is a partially transparent top view of an embodiment of the present invention. FIGS. 2A and 2B are diagrams showing the operation of the knob 1 shown in FIG. 1, wherein FIG. 2A shows a power-off state, and FIG. 2B shows a battery lid unlocked state. FIG. 3 is a sectional view showing the positional relationship between the elastic piece arm 22 of the knob 1 shown in FIG. 2 and the projection of the housing cover 3, and FIG. 4 shows a state in which the power switch knob 19 of the knob 1 shown in FIG. FIG. 5 is a sectional view showing a fitted state of the battery cover hook 23 and the housing cover 3 shown in FIG. FIG. 6 shows the knob 1 shown in FIG.
FIG. 4 is a cross-sectional view showing a locked state between the battery and a battery cover.

The portable electronic device includes a battery cover 2, a housing cover 3, and a housing case 4.

The housing cover 3 and the housing case 4 are fixed with screws 6, and the battery lid 2 slides and engages with the housing cover 3 and the housing case 4.

An opening 3 is provided near the battery cover 2 of the housing cover 3.
The knob 3 of the knob 1 projects from the opening 33. The knob 1 has a function of turning on / off the power by the power switch 8 and locking and unlocking the battery cover 2.

The power switch 8 is a three-position slide switch.
FF / battery lid lock release function.

In the knob 1, the two knobs 21 sandwich the switch knob 19 of the power switch 8, and the knob 28 projects from the opening 33 of the housing cover 3, whereby the knob 28 and the switch knob 19 are linked. And can be operated mechanically.

The protrusions 25 and 29 protruding from the substantially rectangular thin plate-shaped battery cover 2 are inserted into the housing cover 3 through holes 39 provided in the housing cover 3, and the grooves 26 provided in the protrusions 25 and 29, respectively. And 30 have knobs 28
In the positions ON and OFF, the protrusions 24 and 27 arranged at a constant interval on the knob 1 are engaged with each other. Thereby, the slide sliding of the battery cover 2 can be locked.

When the position of the knob knob 28 shifts from OFF to unlocked, the protrusion 31 provided at the tip of the elastic arm 22 extended from the knob main body 1 is shifted to the protrusion 32 provided on the housing cover 3. At the time of transition from unlocking to OFF, a load greater than the operating force of the switch knob 19 of the ordinary power switch 8 itself is provided.

Two hooks 23 each having an arrowhead cross section protruding from the vicinity of both ends of the end face of the battery cover 2 are inserted through two holes 38 provided at positions corresponding to the housing cover 3, respectively. The battery cover 2 is engaged with the two concave portions 35 provided at the respective positions, and the sliding of the battery cover 2 is locked. A projection 41 and a recess 40 are provided on the end face opposite to the hook 23 or the projections 25 and 29, and a recess 44 and a projection 43 that engage with the projection 41 and the recess 40, respectively, are provided on the housing case 4. It is provided at a plurality of locations to further increase the fitting force when the battery cover 2 is mounted on the housing cover 3.

The knob 1 is fastened to a screw boss 37 provided on the housing cover 3 by a screw 6 through a screw hole 46 by a substantially rectangular thin plate 5 having a screw hole 46 and a rib 47. The difficult part is that the rib 47 abuts against the printed board 34 and the section L provided on the housing cover 3.
The plate 5 and the printed board 34 are stably held and fixed on the mounting position by the letter-shaped portions 39 and the ribs 42 extended from the housing case 4.

The accommodating portion of the operating battery 7 is formed in a substantially box shape by the rib 42 of the housing case 4, the L-shaped section 39 of the housing cover 3, the outer wall 45 of the housing case, and the like.

FIG. 7 is an exploded perspective view showing another embodiment of the present invention, in which the vicinity of a knob is described.

In FIG. 7, a difference from the first embodiment shown in FIGS. 2 to 5 is that a projection 52 provided on the battery lid 50 is provided with a hole 52, and a knob 53 is provided in the hole 52. The point is that the projection 54 to be inserted is formed.

With this configuration, the same effects as in the first embodiment can be obtained.

FIG. 8 is a sectional view showing still another embodiment of the present invention.

In FIGS. 2 to 5, the knob and the power switch knob move in the longitudinal direction of the battery. In FIG. 8, the knob and the power switch knob move in the direction perpendicular to the longitudinal direction of the battery. Moreover, the knob 60 is arranged near the hook 23 of the battery cover 2.

That is, when the operation direction of the switch knob 19 of the power switch 8 is parallel to the sliding direction of the battery cover 2, the screw 6 is fastened together with the holder 63 and the knob 60.
When the position is in the ON and OFF states, the sliding deformation of the battery cover 2 is locked by completely restricting the elastic deformation of the hook of the battery cover 2 by the rib 62.

[0036]

The first effect is that, as described above, in the present invention, the battery cover has a substantially rectangular shape, so that the two protrusions protrude from the battery cover and are inserted and fitted into the housing cover. The lock portion with the knob, which is also a lock member, is locked at two places on the long side of the battery cover, and the two protrusions provided near both ends of the long side of the battery cover are inserted and locked into the housing cover. And the fact that the projections and recesses on the long side opposite the total of four independent projections on the battery lid are fitted into the recesses and projections on the housing case, respectively. Has been improved, so that the drop-resistant strength when the device is dropped with the battery lid attached and the locking force against the external load applied to the battery lid when the user is carrying or carrying the device are conventional. Power supply is greatly improved compared to the battery lid lock structure of Reliability of effectively preventing device malfunction of device due to an operation for the battery is pulled out unexpectedly at the N or OFF state is improved.

The second effect is that the projection provided at the tip of the elastic arm extended from the knob main body is turned off by the knob provided to the projection provided on the housing cover.
From lock release to OFF
When shifting to, by applying a load more than the operating force of the switch knob of the normal power switch itself, the operating knob slides due to an external weak force applied to the operating knob, resulting in an unexpected unlocked state. The user can easily operate the knob to unintentionally release the lock, and the user does not notice that and the operating battery cover and operating battery fall off due to some external force. The occurrence of malfunctions improves the reliability of the device.

[Brief description of drawings]

FIG. 1 is a partially transparent top view showing an embodiment of the present invention.

FIG. 2 is an enlarged top view of a main part showing the operation of the knob of the present invention.

FIG. 3 is a sectional view showing the positional relationship between the knob elastic piece and the projection of the housing cover of FIG. 2;

FIG. 4 is a sectional view showing a state in which a power switch knob of the knob of FIG. 2 is held;

FIG. 5 is a sectional view showing a fitted state of the battery cover hook and the housing cover of FIG. 2;

FIG. 6 is a sectional view showing a locked state of the knob and the battery cover of FIG. 2;

FIG. 7 is an exploded perspective view showing a second embodiment of the present invention.

FIG. 8 is a cross-sectional view illustrating a lock portion according to a third embodiment of the present invention.

FIG. 9 is a rear view showing a conventional lock structure.

FIG. 10 is an enlarged view of a main part of the battery lid lock section of FIG. 9;

[Explanation of symbols]

1 knob 2 battery cover 3 case cover 4 case case 5 plate 6 screw 7 battery 8 power switch 19 switch knob 21, 24, 25, 27, 29, 31, 32, 41, 4
3 Projection 22 Arm 23 Hook 26, 30 Groove 28 Knob Knob 33 Opening 34 Printed Board 35, 40, 44 Recess 36, 38 Hole 37 Screw Boss 39, 42, 47 Rib 45 Outer Wall 46 Screw Hole 50 Battery Cover 51, 54 Projection 52 Holes 53 and 60 knobs 55 and 61 knobs 56 power switch 57 power switch knob 62 rib 63 holder

Claims (3)

[Claims] 1. A battery switch for a battery, wherein the power switch is a three-position slide switch, and a knob having at least two protrusions slides to be attached / detached to / from a battery lid of the battery at two of the three positions. Battery lid lock structure that locks the lid slide. 2. A thin plate-shaped elastic piece having a projection at the tip of the knob is provided, and a resistance is provided by the projection over the projection provided on the housing cover only before and after unlocking the battery cover of the battery. The battery lid lock structure according to claim 1. 3. The battery lid lock structure according to claim 1, wherein a thin plate-shaped projection having a groove to be fitted with a knob projection and a hook having an arrowhead cross section are fitted to the housing cover of the battery lid of the battery.