JP3102618B2 - Key device and manufacturing method thereof - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a key device in which the structure of an electrode connected to a contact provided on a mechanical lock device is improved and a method of manufacturing the same.

[0002]

2. Description of the Related Art As a conventional key device, as shown in FIG. 4, when an electrode 100 is formed on a key 101, first, a pair of acrylic resin leg pieces 103 is formed along a side edge 102 of the key 101. Attach with adhesive 104, then both leg pieces 1
03 on the outer peripheral surface of the electrode
Is known (for example, see Japanese Utility Model Publication No. 5-9399 and Japanese Utility Model Publication No. 5-47229).

[0003]

In the conventional key device, the frequent insertion operation of the key 101 into the key hole of the mechanical lock device causes the tip of the electrode 100 to move to the leg piece 1.
However, there is a problem that it may be exposed due to abrasion of No. 03 and may be further separated from the leg piece 103.

Further, the independent leg piece 103 is attached to the adhesive 10
4, the process of attaching to the side edge 102 of the key 101, the electrode 10
The step of press-forming a steel plate into a partial cylindrical shape in order to use it as 0, the step of attaching the press-formed partial cylindrical electrode 100 to the leg 103 with an adhesive 105, etc.
This is necessary when the key 101 is formed on the key 101, and there is a problem that man-hours are required for manufacturing the key device.

The present invention has been made in view of the above-mentioned problems of the prior art, and has as its object to simplify the electrode structure and improve the durability of the electrode, and to improve the manufacturing efficiency. An object of the present invention is to provide a key device capable of reducing man-hours and a method of manufacturing the key device.

[0006]

According to a first aspect of the present invention, there is provided a key device for operating a mechanical lock device, the key device being provided on the lock device side when the key is inserted into the lock device. A key device having an electrode that comes into contact with the contact, a case body containing an electronic circuit board connected to the electrode, and a gripping portion including a lid that closes an opening of the case body and inserts the key. An electrode is formed of a round steel wire, a base member for fixing the round steel wire is formed integrally with the lid, and a tip end of the round steel wire is covered with the base member.

According to a second aspect of the present invention, there is provided the key device manufacturing method, wherein the electrode is formed of a round steel wire and fixed to a base member. Insert the key from the tip, fix the lid together with the electronic circuit board to the base end of the key, then connect the round steel wire to the electronic circuit board, and then use the case body to The cover covers an end portion and the electronic circuit board, and the case is attached to the lid.

[0008]

The round steel wire as the electrode is fixed to the base member formed integrally with the lid, and the tip of the round steel wire is reliably protected by the tip of the base member. Next, the key is inserted into the lid, and the lid and the electronic circuit board integrated with the base member to which the round steel wire is fixed are fixed to the base end 2 a of the key 2. Thereafter, when the round steel wire is electrically connected to the electronic circuit board, and the case is attached to the lid, the key device is completed.

[0009]

Embodiments of the present invention will be described below with reference to the accompanying drawings. Here, FIG. 1 is an exploded perspective view of a key device according to the present invention, FIG. 2 is a perspective view of the same after assembly is completed, and FIG. 3 is a perspective view of another embodiment.

As shown in FIG. 1, a key device 1 includes a key 2 for operating a mechanical lock device (not shown),
A pair of electrodes 3 that are in contact with the contacts provided on the locking device side when the device is inserted into the locking device, an electronic circuit board 4 connected to the electrodes 3 and mounted with various elements, and a built-in electronic circuit board 4 And a cover 6 for closing the opening 5a of the case 5 and inserting the key 2 therethrough.

Further, the electrode 3 is formed of a round steel wire, and a base member 7 for fixing the round steel wire 3 is formed of an acrylic resin integrally with the lid 6. Further, the round steel wire 3 is fixed to the base member 7 by fitting the distal end 3 a thereof to the distal end 7 a of the base member 7. Therefore, the round steel wire 3 is electrically insulated from the key 2, and the tip 3 a of the round steel wire 3 is covered with the tip 7 a of the base member 7.

The base member 7 and the lid 6 formed integrally have an insertion hole 6a through which the key 2 is inserted. Further, mounting holes 2c, 4a, 6b for positioning and fixing each other by inserting a common pin 8 are formed in the base end portion 2a of the key 2, the electronic circuit board 4, and the lid 6. Then, as shown in FIG. 2, when the assembly is completed, the case body 5 and the lid body 6 form a grip portion of the key device 1.

As shown in FIG. 1, the key device 1 is manufactured by first fitting a tip 3a of a round steel wire 3 to a tip 7a of a base member 7 and fixing the round steel wire 3 to the base member 7. I do.

Next, the key 2 is inserted into the base member 7 to which the round steel wire 3 is fixed and the insertion hole 6a formed in the lid 6 from the tip 2b from the lid 6 side. Then, the mounting hole 4a of the electronic circuit board 4, the mounting hole 2c of the base end 2a, and the mounting hole 6b of the lid 6 are aligned, and the pins 8 are fitted into the mounting holes 4a, 2c, and 6b. The cover 6 is fixed to the base 2 a of the key 2 together with the circuit board 4.

Further, the rear end 3b of the round steel wire 3 is electrically connected to the electronic circuit board 4 by soldering, and then, the case body 5 covers the base 2a of the key 2 and the electronic circuit board 4, The opening 5 a of the case 5 is fitted to the lid 6. Then, the key device 1 as shown in FIG. 2 is completed.

The projection 2d formed on the side edge of the conventional key 2 is unnecessary in the manufacturing method of the present invention, and therefore need not be formed.

As shown in FIG. 3, the base member 10 formed integrally with the lid 6 is not formed so as to cover the entire periphery of the key 2, but is formed only on the side edge of the key 2. It may be.

[0018]

As described above, according to the key device of the first aspect, the electrode structure can be simplified by employing a round steel wire that does not require press forming for the electrode. Furthermore, since the tip of the electrode is reliably protected by the tip of the base member, the durability of the electrode can be improved. Claim 2
According to the method for manufacturing a key device according to (1), a round steel wire is used for the electrode, and the base member and the lid are integrally formed, so that the number of working steps is reduced and the number of steps can be reduced.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a key device according to the present invention.

FIG. 2 is a perspective view of the key device after assembly is completed.

FIG. 3 is a perspective view of a key device according to another embodiment.

FIG. 4 is an exploded perspective view of an electrode portion in a conventional key device.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Key device, 2 ... Key, 3 ... Electrode (round steel wire), 3a
... tip of electrode (round steel wire), 4 ... electronic circuit board, 5 ...
Case body, 6 lid, 7, 10 base member, 7a tip end of base member, 8 pin.

Claims (2)

(57) [Claims] A key for activating a mechanical locking device;
An electrode that contacts a contact provided on the lock device when the key is inserted into the lock device, a case body containing an electronic circuit board connected to the electrode, and an opening of the case body, and the key In a key device having a grip portion formed of a lid body through which the electrodes are formed, the electrode is formed of a round steel wire, and a base member for fixing the round steel wire is integrally formed with the lid, and A key device, wherein a tip portion is covered with the base member. 2. A key for activating a mechanical locking device.
An electrode that contacts a contact provided on the lock device when the key is inserted into the lock device, a case body containing an electronic circuit board connected to the electrode, and an opening of the case body, and the key In the method of manufacturing a key device having a grip portion including a lid through which the electrode is formed, the electrode is formed of a round steel wire and fixed to a base member, and thereafter, the electrode is formed integrally with the fixed base member to which the round steel wire is fixed. The cover is inserted from the tip of the key, the cover is fixed to the base end of the key together with the electronic circuit board, and then the round steel wire is connected to the electronic circuit board. A method of manufacturing a key device, comprising covering a base end portion of a key and the electronic circuit board, and attaching the case body to the lid body.