JP3383890B2 - Card lock system - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a card lock system, and more particularly to a general locker,
The present invention relates to a card lock system of a mechanically operated lock such as a desk and a lock electrically operated as a power switch of a computer having a strict control, an online system and the like.

[0002]

2. Description of the Related Art Conventionally, a pin tumbler is used in these card lock systems, and a thin plate-shaped or bar-shaped key piece is used as a key piece of the card lock system that is opened and closed by moving the pin tumbler up and down. The one end of the pin tumbler protruding into the key piece insertion gap of the main body case is pressed by the unevenness formed on the key piece to push up the entire pin tumbler to open and close the card lock.

[0003]

[Problems to be Solved] However, the card lock as described above uses a hard metal because the entire pin tumbler is pressed by the unevenness and lifted, and the metal key piece is heavy and has a thin plate shape. Alternatively, it is not easy to form different concaves and convexes on the upper surface of the rod-shaped key piece, and there is a problem in manufacturing.

Further, since the thin plate-shaped key piece has a width in which the thickness and the uneven surface formed on the upper surface are added to the width of the vertical movement of the pin tumbler, the thickness of the key piece must be constant in order to operate reliably. It was necessary to secure the thickness more than the thickness, and the thickness was limited.

[0005]

SUMMARY OF THE INVENTION In view of the above problems, the present invention solves the problems as a result of intensive study, and uses a tumbler pivotally attached to a pivot base end formed at one end as a pivot fulcrum. By making the width of the vertical movement of the pressing part small, the key piece can be made extremely thin, and the vertical movement of the tip of the tumbler causes the movable member to slide in the vertical direction against the elastic force of the coil spring. The tumbler and the key piece can be formed of a thermo-flexible resin that is easy to process and lightweight, without the burden on each member, and the depth of the recess formed in the key chip embedded in the long hole on the key piece side of the card lock. The present invention is to provide and provide a card lock system that can easily create different locks by slightly changing the length.

[0006]

According to the present invention, a main body case in which an upper case and a lower case are attached to each other to form a key piece insertion space, and a plurality of case-side elongated holes arranged in parallel in the upper case and the lower case, respectively. A pivot shaft axially attached to the upper case and a lower case respectively; a plurality of tumblers having the pivot base penetrating the pivot base and forming a pressing projection; A plurality of movable members, a plurality of movable member holes for slidably accommodating the movable member together with a coil spring, a key piece, a plurality of key piece side long holes arranged in parallel with the key piece, and respective key piece side lengths. Comprised of a plurality of key chips embedded in the holes and recesses formed in each of the key chips, the pivoting base end of the tumbler is housed in each of the case-side elongated holes with the pivoting shaft penetrating therethrough. Between the pivot and the base end of the pivot, press the protrusion protruding into the key piece insertion gap. It is a configuration of forming a recess in the key chip embedded in the key side elongated hole for fitting the pressing projection to any depth.

Further, one of the upper and lower ends of each movable member slidably accommodated in the plurality of movable member holes of the upper case and the lower case together with the coil spring projects above or below the upper case or the lower case. The upper and lower ends of the movable member can be moved by inserting the card-shaped key piece into the opening of the key piece insertion void and inserting the pressing protrusion of the tumbler into the recess formed in each key chip. This is a configuration in which the member hole is buried.

The upper and lower ends of the movable members, which are slidably housed together with the coil springs in the plurality of movable member holes of the upper case and the lower case, are installed in the movable member holes in a buried state, and the card. -Shaped key piece is inserted into the opening of the key piece insertion gap and the pressing protrusion of the tumbler is fitted into the recess formed in each key chip so that either the upper or lower end of the movable member is above the upper case or the lower case. Alternatively, it is configured to project downward.

In addition, a tumbler for allowing the pivoting base end portion to pass through the pivot shaft to be housed in the case-side elongated holes of each of the upper case and the lower case so as to be pivotally movable, and a tumbler for pivoting to each case-side elongated hole. This is a configuration in which a base, a pressing protrusion, and another tumbler having a contact protrusion are pivoted as a pair.

[0010]

The function of the present invention is that the pivot bases of a plurality of tumblers are passed through the pivot shafts to be housed in the respective case-side elongated holes, and the tip ends of the tumblers are pivoted. By providing a pressing protrusion projecting to the key piece insertion gap with the base end, the pressing protrusions of the plurality of tumblers are pressed by the key piece inserted from the opening of the key piece insertion gap. The pivot base end is pivoted as a pivot fulcrum, and the vertical movement of the pressing part is small, but the pivot base end is pivoted as a pivot fulcrum. Furthermore, since the movable member that comes into contact with the tip of the tumbler moves up and down against the elastic force of the coil spring, the depth of the recess formed in the key chip embedded in the long hole on the key piece side of the key piece is deep. The depth can be set shallowly, so even if the key piece is thin, it is possible to produce arbitrary depth of several steps and One in which card lock system also several ways can be created by creating Tsu is only allowed to difference-flops.

Further, since either the upper or lower end of the movable member housed in the movable member hole is projected and assembled above or below the upper case or the lower case, the other member is mechanically locked. The key piece is inserted into the key piece insertion gap to make the upper and lower ends of the movable member buried in the holes for the movable member, thereby enabling other members to move in the unlocked state. Is.

Since the movable member to be housed in the movable member hole is installed in a buried state, the contacts cannot be electrically connected in the locked state, and the key piece is inserted into the key piece insertion space. By making either of the upper and lower ends of the movable member project above or below the upper case or the lower case, the contacts can be connected in the unlocked state.

In addition, the tumbler to be housed in the long hole on the case side and the other tumbler are pivotally attached as a pair, so that the contact protrusions formed on the other tumbler make contact connection with other members. Is possible.

[0014]

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

FIG. 1 is a schematic perspective view of an embodiment of the present invention, FIG. 2 is an enlarged cross-sectional explanatory view of an essential part when locking the present invention, and FIG. 3 is an enlarged sectional explanatory view of an essential part when unlocked. Yes, FIG. 4 is an enlarged cross-sectional explanatory view of a main part of the next embodiment when locking, and FIG.

The present invention relates to a card lock system, and more specifically, to a mechanical lock for a general locker, desk, etc., and a power supply for a computer having a strict control, an online system, etc. The present invention relates to a card lock system of a lock that is electrically operated as a switch, and includes a main body case 1 in which a key piece insertion space 2 is formed on one side by combining the upper case 1a and the lower case 1b, and the upper case 1a. A plurality of case-side elongated holes 3 arranged in parallel with each other in the front-rear direction to the lower case 1b, and a pivot shaft axially attached to the upper case 1a and the lower case 1b in the vicinity of the opening of the key piece insertion gap 2 respectively. 4, a plurality of pivotable tumblers 5 having the pivot shaft 4 penetrating the pivot base end portion 5a and forming a pressing protrusion 5b, and movable by contacting the tip end portions 5c of the respective tumblers 5. Multiple movable With product 6, a plurality of movable member hole 8 for housing with slidable coil spring 7 of the movable member 6 of 該夫 s the vertical direction, a card-shaped key member 9, said key pieces 9
A plurality of key piece side long holes 10 arranged in parallel with the case side long hole 3; a plurality of key chips 11 embedded in the respective key piece side long holes 10; The tumblers 5 each having a concave portion 11a formed therein, and each of which is housed by penetrating the pivot shaft 4 into the pivot base end portion 5a formed on the base end side of each of the case-side elongated holes 3 has a tip portion 5c.
A pressing protrusion 5b protruding between the pivot piece 5a and the pivot base end portion 5a is projected into the key piece insertion space 2 and the key piece 9 is inserted into the key piece insertion space 2.
Of the tumblers 5 are inserted into the respective key piece-side elongated holes 10 and the tips of the respective pressing protrusions 5b come into contact with the recesses 1 of the key chips 11.
1a is formed to an arbitrary depth.

Further, one of the upper and lower ends of each movable member 6 slidably accommodated together with the coil spring 7 in the plurality of movable member holes 8 of the upper case 1a and the lower case 1b is either the upper case 1a or the lower case. The card-shaped key piece 9 is inserted into the opening of the key piece insertion gap 2 and is projected upward or downward from the case 1b, and the tumbler 5 is pushed into the recesses 11a formed in the respective key chips 11. By inserting the portion 5a, the upper and lower ends of the movable member 6 are embedded in the movable member hole 8.

The upper case 1a and the lower case 1b
And the upper and lower ends of the movable members 6 that are slidably housed together with the coil springs 7 in the movable member holes 8 are installed in the movable member holes 8 in a buried state, and the card-shaped key piece 9 is provided. Of the movable member 6 to the upper case 1a or the upper and lower ends of the movable member 6 by inserting the pressing protrusions 5a of the tumblers 5 into the recesses 11a formed in the respective key chips 11 through the openings of the key piece insertion voids 2. The lower case 1b is projected above or below.

In addition, the upper case 1a and the lower case 1b
To the respective long holes 3 on the case side, the pivot base end 5a is attached to the pivot shaft 4
A tumbler 5 which is pierced through and is housed so as to be pivotally movable, and a pivot base 51a, a pressing protrusion 51b, and another tumbler 51 having a contact protrusion 51c formed on each case-side elongated hole 3 as a pair. It was made.

That is, the main body case 1 of the present invention is the upper case 1
a is joined to the lower case 1b, and a plurality of case-side elongated holes 3 are formed in the upper case 1a and the lower case 1b in parallel to the front-rear direction, respectively. In the above, five sets of case-side long holes 3 are provided respectively, but the number is arbitrary, and one side of the joining surface of the upper case 1a and the lower case 1b has a key to be described later. The key piece insertion space 2 for inserting the piece 9 is formed.

Then, a pivot shaft 4 for pivotally mounting a tumbler 5, which will be described later, is provided in the upper case 1a and the lower case 1b in the vicinity of the openings of the key piece insertion voids 2 through the case-side elongated holes 3, respectively. The pivot shaft 4 is formed with a groove having a U-shaped cross section as shown in the drawing, and even if it is fitted into the groove,
A through-hole may be formed in each case and fixed through.

The tumbler 5 of the present invention has a length that can be accommodated in substantially the entire case-side elongated hole 3, and one end in the lengthwise direction is defined as a pivot base end 5a, and the tumbler 5 penetrates the pivot base end 5a. A hole is bored to penetrate the pivot shaft 4, and a tip portion 5c is formed at the other end by bulging in the width direction. The tip portion 5c is movable as described later. The tumbler 5 is inserted into the opening 6a of the member 6 and has a substantially central position of the tumbler 5 and a pressing protrusion 5b for pressing contact with the key piece 9 from the central position to the pivot base end 5a. It is a thing.

Further, as shown in FIGS. 2 and 3, the movable member 6 has a rectangular metal flat plate provided with a rectangular penetrating portion.
An opening 6a is formed by cutting one side, and a small protrusion 6b is formed facing the opening 6a of the movable member 6,
A coil spring 7 is inserted and elastically mounted between the small protrusions 6b. Further, the opening 6a of the movable member 6 is brought into contact with the tip 5c of the tumbler 5 so that the tumbler 5 can be moved by pivoting. The member 6 slides vertically in the movable member hole 3, and the other member that mechanically interlocks or contacts the operation of the movable member 6 opens or closes the lock, or the movable member 6
Is formed of a metal member that can be energized, and the lock is opened and closed by electrically interlocking with a switch contact of a circuit formed on a printed circuit board or the like.

The movable member hole 8 for slidably accommodating the movable member 6 together with the coil spring 7 is provided in the upper case 1.
a and the lower case 1b are formed so as to be connected to the respective case-side elongated holes 3, and further, the movable member 6 is formed at a position where the upper case 1a and the lower case 1b match each other. And the lower case 1b are inserted through the coil spring 7 and the lower case 1b, respectively, so that the coil spring 7 is locked in order to slide against the elastic force of the coil spring 7 when sliding at the tip 5c of the tumbler 5. The engaging portion 6c is formed.

On the other hand, the card-shaped key piece 9 is used for each case 1.
a. The same number of key piece side long holes 10 are arranged in parallel in the longitudinal direction at a position corresponding to the case side long hole 3 formed in 1b, and furthermore, one surface of the key piece 9 has a grooved shape. A slide guide 9a is formed, and a guide receiving portion 1c such as a protrusion or a ridge is formed in the opening of the main body case 1 at a position matching the slide guide 9a to limit the number of key pieces 9 to be inserted to a certain number. A key chip 11 to be described later is embedded in the long hole 10 on one side of the key.

The key chip 11 is embedded and fixed in the long hole 10 on the key piece side of the key piece 9 by means such as adhesion or welding, and the pressing projection 5b of the tumbler 5 contacts the upper surface of the key chip 11. Although the concave portion 11a that contacts is formed, the width of the vertical movement of the pressing convex portion 5b fitted in the concave portion 11a may be small due to the structure of the tumbler 5 described above.
Therefore, the depth of the recessed portion 11a can be set and carved in several steps within the specified thickness of the key piece 9.

The tumblers 5 are respectively inserted into the plurality of case-side elongated holes 3 formed in the upper case 1a and the lower case 1b, respectively.
The tumbler 5 can be pivotally mounted by penetrating the pivot shaft 4 into the through hole of the pivot base end portion 5a of the tumbler 5.

In the card lock system of the present invention, the main body case 1 is incorporated in each device and the like, and the opening of the key piece insertion void portion 2 between the upper case 1a and the lower case 1b is exposed on the surface. The key piece 9 is inserted into the key piece insertion space 2, but a guide receiving portion 1c such as a protrusion or a ridge that matches the arbitrary position and the arbitrary number of slide guides 9a formed on the key piece 9 is provided. It can be inserted only in the formed opening.

When the key piece 9 is inserted through the opening, the pressing protrusions 5b of the plurality of tumblers 5 protruding into the key piece insertion gap 2 are pressed by the tips of the key pieces 9, and when the key pieces 9 are further inserted. The tip of the pressing protrusion 5b abuts on the recess 11a formed in the key chip 11 embedded in the key-side elongated hole 10.

Next, each key chip 11 is formed with a recess 11a having an arbitrary depth set, and the position and the number thereof and the depth of the recess 11a are different depending on each card lock system. The key piece 11
When the key pieces are inserted into the depths of the key piece insertion gap portions 2, the pressing protrusions 5b of the respective tumblers 5 are inserted into the key piece side elongated holes 10 of the key pieces 9, and the tip ends of the pressing protrusions 5b of the key chips 11 are inserted. Recess 11
The movable member 6 slides in the movable member hole 3 in the vertical direction by the pivotal movement of each tumbler 5.

According to the second aspect of the present invention, one of the upper and lower ends of the movable member 6 slidably accommodated in the plurality of movable member holes 8 of the upper case 1a and the lower case 1b is the movable member hole 8. In order to assemble the upper case 1a or the lower case 1b so as to project above or below, the upper and lower ends of the movable member 6 become obstacles in a locked state in which the key piece 9 is not inserted into the opening of the key piece insertion space 2. Since the other members are mechanically unmovable, the card-shaped key piece 9 is inserted into the opening of the key piece insertion void portion 2 to be buried in the movable member hole 8 in the unlocked state. The upper and lower surfaces of the upper case or lower case are flat,
The other members can be freely moved.

In the third aspect of the present invention, since the movable member 6 slidably accommodated in the plurality of movable member holes 8 of the upper case 1a and the lower case 1b is assembled in a buried state, In the locked state in which the key piece 9 is not inserted into the opening of the key piece insertion space 2, the contacts cannot be electrically connected, and the card-shaped key piece 9 is inserted into the opening of the key piece insertion space 2. In the unlocked state, since it is projected above or below the upper case 1a or the lower case 1b, contacts are provided at the upper and lower ends of the movable member 6 protruding from the hole 8 for the movable member so that they can be electrically connected or mechanically connected. The lock is opened and closed by bringing it into contact with another member.

In addition, according to the third aspect of the present invention, as shown in FIG. 5, the pivot base end portion 5a is attached to the pivot shaft 4 of the case-side elongated hole 3.
And a tumbler 51 in which a pivot base end 51a is pivotally attached to the pivot shaft 4 and a pressing projection 51a is formed downward and a contact projection 51c is formed upward. By accommodating as a pair, the contact protrusion 51c can be moved by moving the pressing protrusion 51a formed on the other tumbler 51 with the key piece 9, and can be electrically connected to other members. Or, the lock is opened and closed by mechanically contacting with another member.

[0034]

According to the present invention, with the above-described structure, the pivot base end portion formed at one end of the tumbler is pivotally attached to the tumbler as a pivot fulcrum, and the vertical movement width of the pressing portion of the tumbler is made small. As a result, the key piece can be made extremely thin, and the vertical movement of the tip of the tumbler causes the movable member to slide in the vertical direction against the elastic force of the coil spring. The key piece can be made of a thermo-flexible resin that is easy to process and is lightweight. In addition, the key piece can be formed by changing the mounting position of the tumbler and the depth of the groove for embedding the matching key chip. This is an epoch-making and highly practical invention that enables combination of card lock systems.

[Brief description of drawings]

FIG. 1 is a schematic perspective view of an embodiment of the present invention.

FIG. 2 is an enlarged cross-sectional explanatory view of a main part of the present invention when locking.

FIG. 3 is an enlarged cross-sectional explanatory view of essential parts when unlocked.

FIG. 4 is an enlarged cross-sectional explanatory view of a main part of the next embodiment at the time of locking.

FIG. 5 is an enlarged cross-sectional explanatory view of a main part of the next embodiment at the time of unlocking.

[Explanation of symbols]

1 body case 1a upper case 1b lower case 1c Guide receiving part 2 Key piece insertion space 3 Case side oblong hole 4 Pivot axis 5 tumblers 5a Pivot base end 5b Pressing protrusion 5c tip 51 tumbler 51a Pivot base end 51b Pressing protrusion 51c Contact protrusion 6 movable members 6a opening 6b Small protrusion 6c Locking part 7 coil spring 8 Movable member hole 9 key pieces 9a Slide guide 10 key one side long hole 11 key chips 11a recess

─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP 62-268481 (JP, A) actual development 62-120676 (JP, U) actual development flat 1-76964 (JP, U) actual development flat 2- 99189 (JP, U) Actual Kaihei 2-99170 (JP, U) Japanese Patent Sho 54-2160 (JP, B1) Actual Public Hei 7-14583 (JP, Y2) Actual Public Sho 55-32998 (JP, Y1) Actual Kohei 3-41008 (JP, Y2) (58) Fields investigated (Int.Cl. ⁷ , DB name) E05B 35/00

Claims (4)

(57) [Claims] 1. A main body case in which an upper case and a lower case are attached to each other to form a key piece insertion void portion on one side, and a plurality of case side lengths which are juxtaposed in the front-rear direction in the upper case and the lower case, respectively. A hole, a pivot shaft pivotally attached to each of the upper case and the lower case near the opening of the key piece insertion gap, and a pressing projection formed while penetrating the pivot shaft to the pivot base end. A plurality of pivotable tumblers, a plurality of movable members that are moved by abutting the tip end of each of the tumblers, and a plurality of movable members that house the respective movable members together with a coil spring so as to be slidable in the vertical direction. A member hole, a card-shaped key piece, a plurality of key piece side long holes arranged in parallel to the key piece at a position matching the case side long hole, and a plurality of key piece side long holes embedded in the respective key piece side long holes. Each of the case sides comprises a key chip and a recess formed in each of the key chips. Each tumbler has a pivoting base end formed in the base end side of the hole and a pivot shaft extending through the pivoting shaft. Each tumbler has a pressing protrusion protruding between the tip end and the pivoting base end. A key in which the pressing protrusions of the respective tumblers are inserted into the respective key piece side elongated holes by protruding the key pieces into the insertion hole and the key pieces are inserted into the key piece insertion spaces, and the tips of the respective pressing protrusions abut. A card lock system characterized in that the recesses of the chips are formed at arbitrary depths. 2. One of upper and lower ends of each movable member slidably housed together with a coil spring in a plurality of movable member holes of the upper case and the lower case is above or below the upper case or the lower case. By assembling so as to project, the card-shaped key piece is inserted into the opening of the key piece insertion gap, and the pressing protrusions of the tumblers are fitted into the recesses formed in the respective key chips. The card lock system according to claim 1, wherein the end is embedded in the movable member hole. 3. The upper and lower ends of each movable member slidably housed together with the coil spring in the plurality of movable member holes of the upper case and the lower case are embedded in the movable member hole in an embedded state, By inserting the card-shaped key piece into the opening of the key piece insertion gap and fitting the pressing protrusions of the tumblers into the recesses formed in the respective key chips, either the upper or lower end of the movable member can be inserted into the upper case or the lower case. The card lock system according to claim 1, wherein the card lock system is projected upward or downward of the case. 4. A tumbler for allowing a pivoting base end portion to pass through a pivot shaft to be housed so as to be pivotable in each of the case-side elongated holes of the upper case and the lower case, and pivoted to each of the case-side elongated holes. The card lock system according to claim 1, wherein a base, a pressing protrusion, and another tumbler having a contact protrusion are pivotally attached as a pair.