JPH0452362Y2 - - Google Patents

Description

[Detailed description of the invention] [Field of industrial application] The present invention is a battery case attachment/detachment mechanism for attaching or detaching a battery case containing a battery that serves as a power source for an electric lock to a case storage chamber that opens at the end of the door. It is related to.

[Conventional technology]

An electric lock that is attached to a door to lock and unlock the door can be supplied with electricity from a power source installed outside the door, or powered by a battery installed in the door. The latter door equipped with a battery has the advantage of being aesthetically pleasing as there is no wiring from the outside, and there is no electrical contact failure that can easily occur with external wiring, but on the other hand,
The following issues arose.

[The problem that the idea aims to solve]

When a battery case containing a battery is attached to the door, when the life of the battery is exhausted, the battery case must be removed from the door and the battery must be refilled.

To install and remove this battery case,
It is desirable to make it easy for anyone to do it, and to make it as easy as possible to do it with one touch.

Furthermore, it is necessary that the attached battery case be free from the risk of falling off from the door due to vibrations and shocks applied to the door.

The present invention provides a battery case attachment/detachment mechanism that can be easily attached and detached by anyone with a single touch, and is free from the risk of falling off from the door.

[Means to solve the problem]

In order to achieve the above object, the door is provided with a case storage chamber that opens at the end surface of the door, and an elastic lock arm having a locking piece at the tip and a pusher biased toward the end surface of the door are installed on the inner wall surface of the case storage chamber. The battery case to be inserted into the case storage chamber is provided with an engagement protrusion on the outer wall surface that engages with the locking piece when inserted into the case accommodation chamber, and the battery case that engages with the engagement protrusion is provided on the outer wall surface. A door battery case attachment/detachment mechanism is provided by providing a removal tool that presses the locking piece to separate it from the engagement protrusion.

[Effect]

The battery case is attached to or removed from the door in the following manner using the battery case attachment/detachment mechanism configured as described above.

(Installation) When the battery case is inserted into the case housing chamber, the engagement protrusion of the battery case collides with the locking piece at the tip of the elastic lock arm, and the locking piece is pressed, causing the elastic lock arm to flex and locking. The mating protrusion passes through the locking piece and the battery case is inserted into the case housing chamber.

The battery case is pressed by the pusher, and the engagement protrusion presses into contact with the locking piece to engage.

Installation of the battery case is thus completed.

When the battery case is installed, the engaging protrusion contacts the locking piece under the pressure of the pusher and is held in the engaged state, so the battery case is locked to the door without wobbling and there is a risk of it falling off from the door. There is no such thing.

(Removal) When the locking piece is pressed with the removal tool, the locking piece is pressed and the elastic lock arm is deflected, the locking piece retreats, and the engagement between the engaging protrusion and the locking piece is released. The unrestrained battery case is pressed by the pusher and moves toward the end of the door, so that the battery case can be removed from the door as it is.

〔Example〕

Embodiments of the present invention will be described with reference to the drawings.

FIG. 1 shows a front view of the battery case 1, and FIGS. 2 and 3 show its left and right side views.

As shown in the figure, in the battery case 1, one side wall of a frame 2 that accommodates a battery is a flange 3 that is larger than the frame 2.

The frame body 2 has compartments 4A to 4D that respectively accommodate four batteries, and each compartment 4A to 4D is provided with a contact point 5 that contacts both poles of the battery, and each compartment 4A to 4D has a contact point 5 that contacts both poles of the battery. Batteries housed in the housing are connected in series, and contacts 5A and 5D at both ends of the series wiring protrude from the outer wall 2a of the frame 2.

Engaging protrusions 6 having semicircular recesses 6a at their tips are installed on the upper and lower outer wall surfaces of the frame 2.
A vertical surface 6b is formed on the surface of the flange 3 side,
A slope 6c is formed on the opposite side of the vertical surface 6b.

The flange 3 is provided with holes 7, 7 coaxial with the recess 6a at two locations, upper and lower.

On the other hand, at the end of the door D, as shown in FIGS.
A housing 9 having a shape is embedded therein.

The case storage chamber 8 has dimensions that allow the battery case 1 to be inserted therein, and has substantially the same shape as the battery case 1.

A recess 10 having a size into which the flange 3 can be inserted is formed in the open end surface of the case storage chamber 8 .

Cantilever-shaped elastic lock arms 11 are provided at two locations above and below the case storage chamber 8, and a locking piece 12 that projects toward the case storage chamber 8 is provided at the tip of the elastic lock arm 11.

The locking piece 12 has a slope 12a on the end surface side of the door D, and has a vertical surface 12b on the opposite side of the slope 12a.

On the inner wall surface of the housing 9 opposite to the end surface of the door D, leaf spring-like contacts 13, 13 are provided at two upper and lower locations, and a pusher 14 is provided at an intermediate portion.

The contact 13 is connected to an electric wire 15 routed from the electric lock into the door D, and the pusher 14 is urged toward the end surface of the door D by a spring 16.

Reference numeral 17 shown in FIG. 7 is a removal tool, which is attached to the base 1
Pressing rods 17b, 17b are erected at two locations above and below 7a.

The center-to-center distance between the pressing rods 17b, 17b is approximately equal to the center-to-center distance between the holes 7, 7 provided in the flange 3.

The operation of the battery attachment/detachment mechanism for the door D configured as described above will be explained.

(Installing the battery case) As shown in FIG. 4, when the battery case 1 is inserted into the case housing chamber 8, the slope 6c of the engagement protrusion 6 comes into contact with the slope 12a of the locking piece 12, and the battery case 1 is locked. When the piece 12 is pressed, the elastic lock arm 11 is deflected, and the engagement protrusion 6 passes while contacting the locking piece 12 (see FIG. 6).

When the engagement protrusion 6 passes through the locking piece 12, the elastic lock arm 11 returns to its original shape, and the vertical surface 6b of the engagement protrusion 6 and the vertical surface 12b of the locking piece 12 face each other with a slight gap between them. Flange 3 is recess 1
0 and the insertion of the battery case 1 is completed.

The battery case 1 whose insertion force has been released is pushed toward the end face of the door D by the pusher 14,
The vertical surface 6a comes into pressure contact with the vertical surface 12b.

In this way, the battery case 1 is locked to the door D and does not move even if the door D is subjected to vibration or impact.

Further, since the leaf spring-shaped contacts 13, 13 are in close contact with the contacts 5A, 5D of the battery case 1, the battery B in the frame 2 is reliably electrically connected to the electric lock (see FIG. 7).

As described above, insertion of the battery case 1 is performed with a one-touch operation.

(Removal) To remove the battery case 1 attached to the door D, use the pressure rods 17b, 17b of the removal tool 17.
into the holes 7, 7 of the flange 3.

As shown in FIG. 8, the pressing rod 17b presses the slope 12a of the locking piece 12, and the locking piece 12 is pressed, causing the elastic lock arm 11 to bend.

Thus, the engagement of the locking piece 12 with the engagement protrusion 6 is released, the battery case 1 is pushed by the pusher 14 and moves toward the end of the door D, and the engagement protrusion 6 is pushed closer to the door than the locking piece 12. Move to the end of D.

At this time, since the engaging protrusion 6 has the recess 6a, it can move smoothly without interfering with the pressing rod 17b.

Battery case 1 protruding from the end of door D
can be easily removed as is.

FIG. 9 shows a second embodiment that makes it easier to take out the battery case 1, in which there are protrusions on the upper and lower outer wall surfaces of the frame 2 on the opposite side of the flange 3 with respect to the engagement protrusion 6. 18 will be provided.

The protrusion 18 has an inclined surface 18a on the flange 3 side surface and a vertical surface on the opposite surface.

On the other hand, the press rods 17b, 17b of the removal tool 17
A concave groove 1 with a vertical side wall 19a formed near the tip of the groove 1.
9 will be provided.

Other aspects are the same as in the first embodiment described above.

According to the second embodiment configured as above,
The press rod 17b inserted into the hole of the flange 3 moves the locking piece 12 backward to release the engagement between the locking piece 12 and the engagement protrusion 6, and the press rod 17b inserted further
When the tip of the push rod 17b hits the inclined surface 18a, the pressing rod 17b is bent, and when the groove 19 and the protrusion 18 overlap, the groove 19 engages with the protrusion 18.

Next, when the removal tool 17 is pulled out, the groove 19
Battery case 1 having protrusion 18 engaged with
is removed from the door D together with the removal tool 17.

[Effect of idea]

Since the present invention is configured as described above, the battery case can be installed or removed with an extremely simple one-touch operation.

In addition, since the attached battery case is locked with the engaging protrusion in close contact with the locking piece, there is no risk of it shaking or falling off even if the door is subjected to vibrations or shocks, and the battery case does not close when the door is closed. Since the case is covered by the door frame, malicious mischief from outside can be prevented.

[Brief explanation of the drawing]

1 to 8 show embodiments of the present invention.
The figures are the front view of the battery case, Figures 2 and 3.
The figures are left and right side views of the same as above, Figure 4 is a longitudinal cross-sectional view of the housing embedded in the door, Figure 5 is a partially cutaway perspective view of the end of the door, and Figure 6 is an explanation of the battery case insertion process. Fig. 7 is a front view of the battery case and removal tool attached to the door, Fig. 8 is a partially sectional front view of the main part for explaining the process of removing the battery case, Fig. 9 The figure is a partially sectional main part front view for explaining the process of removing the battery case in another embodiment. D...Door, B...Battery, 1...Battery case, 2...Frame, 3...Flange, 5,5
A, 5D', 13... Contact, 6... Engaging protrusion, 6
a... recess, 6b... vertical surface, 6c... slope, 7
... hole, 8 ... case storage chamber, 9 ... housing, 11 ... elastic lock arm, 12 ... locking piece, 12a ... slope, 12b ... vertical surface, 14 ...
... Pusher, 17... Removal tool, 17b...
Pressing rod, 18...protrusion, 19...concave groove.

Claims (1)

[Scope of utility model registration request] A case storage chamber is provided inside the door that opens at the end of the door.
An elastic lock arm having a locking piece at its tip and a pusher biased toward the end face of the door are provided on the inner wall surface of the case housing chamber, and the battery case engages with the locking piece when the battery case is inserted into the case housing chamber. A battery case for a door, characterized in that an engaging protrusion is provided on the outer wall surface of the battery case, and a removal tool is provided for pressing the locking piece engaged with the engaging protrusion to separate it from the engaging protrusion. Attachment/detachment mechanism.