JPH097565A - Battery case locking mechanism - Google Patents

Abstract

PURPOSE: To release a battery case from locking when held between fingers via an arm and easily remove it when pulled out in the longitudinal direction. CONSTITUTION: A battery case locking mechanism consists of a memory card 1 in which a memory is built to store data, a lock pin 8 slided in the memory card 1 and a battery case 10 stored in the memory card 1 and locked by the lock pin 8. The memory card 1 has a battery case storage 2, the lock pin 8 has a head 6 always protruded in the battery case storage 2 and the battery case 10 has a battery storage hole 12 in the center and a lock pin receiver 13 at the end of fix the battery case 10. On the base 11 of the battery case 10, a flexible arm 16 is provided with one end ranging thereto and the tip faced to the inclined head 6 of the lock pin, so that it can be put in contact with the head 6 of the lock pin 8 with the tip of the arm 16 thrusted to push back the lock pin for releasing the battery case 10 from locking to the memory card 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery case locking mechanism for a battery for storing data in a memory card, a battery for powering a small electronic device such as a calculator, and the like.

[0002]

2. Description of the Related Art A conventional battery case locking mechanism in a small electronic device has, for example, a battery case housing portion for housing a battery case on the side of a calculator, as described in Japanese Utility Model Publication No. 4790. In the structure in which the battery case is detachably inserted in the battery case storage portion, the battery case is divided into an arm of a flexible small piece and another portion by a slit provided at one end, and Is provided with an engaging piece having a protruding locking surface that is orthogonal to the drawing direction, and the engaging portion is provided inside the battery case housing section so as to face the engaging piece. By inserting the battery case into the battery case storage portion of the calculator, the engagement piece of the arm and the engagement portion inside the battery case storage portion are engaged and the battery case is locked, and the arm and elasticity of the battery case By pulling it out while pressing it against the slit side, the engaging piece of the arm is disengaged from the engaging portion in the battery case housing, and the battery case can be taken out from the battery case housing.

[0003]

The above-mentioned battery case locking mechanism is also used for a battery case in a memory card for data storage of a portable terminal such as an electronic notebook or a personal computer, but this memory card is thin in shape. It has become. Therefore, the movement of the arm or lever that causes a physical operation such as the lock mechanism does not move in the thickness direction of the memory card but in the longitudinal direction orthogonal to this thickness direction. Also, when pulling out the battery case, the battery case is supported in the thickness direction, and generally, the lock is released with the index finger, and the battery case is pinched out with the middle finger and thumb from the up and down direction. It cannot be denied that is difficult to do. In addition, a thin plate is arranged in the memory card so that the main body of the memory card is sandwiched from the upper surface and the rear surface.
It is also fixed in the support direction.

[0004]

In order to solve the above-mentioned conventional problems, the battery case locking mechanism of the present invention is, as a first means, a memory card having a built-in storage unit for storing data, and It consists of a lock pin that slides inside the memory card, and a battery case that is stored in the memory card and locked by the lock pin.The memory card has a battery case storage part on the side to store the battery case, and the lock pin is The head part is slidably provided in the battery case storage part so as to always project, the battery case has a battery storage hole in the center part, and the lock pin receiving part for locking the battery case with the lock pin is provided at the end part, A flexible arm whose one end is connected to the battery case base and whose front end faces the inclined head of the lock pin is provided, and is pressed against the head of the lock pin by pressing the front end of the arm. By pushing back the Kkupin is for releasing the lock of the memory card of the battery case. In addition, as a second means, a lock pin over-projection preventing piece that restricts over-projection of the head of the lock pin is provided in the lock pin receiving portion that locks the battery case with the lock pin. Furthermore, as a third means, a space is provided outside the lock pin receiving portion into which the inclined piece provided at the tip of the arm can be fitted.

[0005]

As a function of the first means, the lock pin whose head is inclined is biased in the direction orthogonal to the inserting direction of the battery case, and the lock pin receiving portion of the battery case receives the protruding lock pin. Lock the battery case to the memory card. In addition, the lock pin is pushed back by pressing the tip of the arm to unlock the battery case from the memory card. In addition, as an action of the second means, by controlling the excessive protrusion of the lock pin by the lock pin excessive protrusion preventing stopper, an appropriate protrusion pressure of the lock pin is obtained. Furthermore, as a function of the third means, by providing a space outside the lock pin receiving portion, the lock pin can be pushed back to a position apart from the lock pin receiving portion.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A battery case locking mechanism according to the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing the arrangement of lock pins and the like in the present lock mechanism. In FIG. 1, a rectangular battery case housing 2 is provided on a required side portion of the memory card 1, and the battery case housing 2 is provided with two opposing battery case housings 2.
For example, a rectangular through hole 4 is provided on one of the side surfaces 3 on one side.
And a slot 5 is provided from the upper surface of the memory card 1 so as to be connected to the through hole 4. Further, a lock pin 8 having a relatively acute-angled head portion 6 and an end portion 7 is arranged in the long hole 5 so that the head portion 6 is inserted into the through hole 4 so that the lock pin 8 is brought into contact with the end portion 7 of the lock pin 8. The coil spring 9 is inserted into the long hole 5. In the arrangement state of the lock pin 8 and the coil spring 9,
The lock pin 8 is pressed by the biasing force of the coil spring 9, and the head portion 6 of the lock pin 8 is projected from the through hole 4 to a certain length.

FIG. 2 is a perspective view of the battery case. FIG.
In the above, the base 11 of the battery case 10 is sized to fit in the battery case storage 2 of the memory card 1, the battery storage hole 12 is formed in the center of the base 11, and the lock pin 8 is provided at the end of the battery with the lock pin 8. A pin abutting portion 14 having a lock pin receiving portion 13 for locking the case 10 extending in the front-rear direction is provided, and a flexible arm 16 is provided with a flexible arm 16 via a supporting portion 15 having one end connected to the base 12. Side by side, this arm 1
An inclined piece 17 having an inclination in the longitudinal direction of the arm 16 is provided at the tip of the arm 6.

The inclined piece 17 of the arm 16 faces the lock pin receiving portion 13, and when the arm 16 is pressed, the inclined piece 17 is fitted to the outside of the lock pin receiving portion 13. A space 18 shall be provided.
Further, the lock pin receiving portion 13 has a head portion 6 of the lock pin 8.
A lock pin over-projection prevention piece 19 is provided so that the coil spring 9 does not over-project.

In the memory card 1 having the above structure,
When the battery case 10 is attached, a battery (not shown) is inserted into the battery housing hole 12, and the battery case 11 is inserted into the battery case housing portion 2 of the memory card 1 in parallel with the lock pin 8. The head 6 of the lock pin 8 contacts the pin contact portion 14 of the battery case 10, and the head 6 of the lock pin 8 is positioned in the lock pin receiving portion 13 at the stage where the battery case 10 is continuously pushed and inserted as it is. As shown in, the head portion 6 is inserted into the lock pin receiving portion 13 by the urging force of the coil spring 9, and the battery case 10 is locked in the battery case housing portion 2 of the memory card 1.

At this time, the head 6 of the lock pin 8 is prevented from being excessively protruded by the lock pin excessive protrusion preventing piece 19. Although not shown, a thin plate is arranged on the memory card 1 so as to sandwich the memory card body from the top and the back. The battery case 10 having the same thickness as the memory card body is attached in the memory card 1 in a detachable direction. Of course, it is also fixed in the supporting direction.

Next, when the battery case 10 is removed from the memory card 1, the back surface of the base 11 of the battery case 10 is held by the index finger or the middle finger and the arm 16 is pressed by the thumb, and the state shown in FIG. 4 is obtained. , The inclined piece 17 of the arm 16 presses the acute-angled head portion 6 of the lock pin 8, and therefore the lock pin 8 withdraws toward the long hole 5 side against the biasing force of the coil spring 9, and the inclined piece 17 further moves into the space 1.
8 and the head 6 of the lock pin 8 reaches the lock pin receiving portion 1
Completely separated from 3 and the lock is released. Furthermore, from the state in which the head 6 of the lock pin 8 is disengaged from the lock pin receiving portion 13,
When the battery case 10 is pulled, the head portion 6 comes into contact with the pin contact portion 1
The battery case 10 slides while coming into contact with No. 4 and moves to the state shown in FIG. In this state, the battery case 10 is detached from the memory card 1 and removed.

[0012]

As described above, the lock mechanism of the battery case is operated in the thickness direction of the main body so that the lock is released when the battery case is sandwiched between the index finger or the middle finger and the thumb, and the lock is lengthened. Pulling in the direction makes it easier to pull out, and there will be no mistakes in work or damage to the battery case during replacement. Further, as an effect of claim 2, by providing the lock pin receiving portion with the over-protrusion preventing piece of the lock pin, the spring urging the lock pin can always apply tension, so that the battery case can be removed due to a shock or the like. Can be prevented. Furthermore, by providing a space in which the inclined piece of the arm can move outside the lock pin receiving portion, the lock pin can be completely pushed back from the lock pin receiving portion, and the lock can be reliably released.

[Brief description of drawings]

FIG. 1 is a partial perspective view showing an arrangement of lock pins and the like of a battery case lock mechanism according to the present invention.

FIG. 2 is a perspective view of a battery case of the battery case lock mechanism according to the present invention.

FIG. 3 is a partial perspective view showing a state where the battery case is locked by the battery case locking mechanism according to the present invention.

FIG. 4 is a partial perspective view showing a state in which the battery case lock mechanism of the present invention unlocks the battery case.

FIG. 5 is a partial perspective view showing a state in which the battery case is unlocked and pulled out by the battery case locking mechanism according to the present invention.

[Explanation of symbols]

 1 Memory Card 2 Battery Card Battery Case Storage 5 Long Hole 6 Lock Pin Head 8 Lock Pin 9 Coil Spring 10 Battery Case 12 Battery Storage Hole 13 Lock Pin Receiver 16 Arm 17 Inclined Piece 18 Space

Claims (3)

[Claims] 1. A memory card comprising a memory card having a storage unit for storing data, a lock pin sliding in the memory card, and a battery case housed in the memory card and locked by the lock pin. Is provided with a battery case housing portion for housing a battery case on the side, the lock pin is slidably provided so that the head always projects into the battery case housing portion, and the battery case has a battery housing hole in the central portion. Provided with a lock pin receiving portion for locking the battery case with the lock pin at the end, one end is connected to the battery case base, the tip is provided with a flexible arm facing the inclined head of the lock pin, A battery characterized in that the lock of the battery case to the memory card is released by pushing the lock pin back by contacting the head of the lock pin by pressing the tip of the arm. Case lock mechanism. 2. The lock pin receiving part for locking the battery case with the lock pin is provided with a lock pin over-projection preventing piece for restricting over-projection of the head of the lock pin. Battery case lock mechanism described. 3. The battery case lock mechanism according to claim 2, wherein a space into which the inclined piece provided at the tip of the arm can be fitted is provided outside the lock pin receiving portion.