JPH0532639U - Key device - Google Patents

Abstract

(57) [Summary] (Modified) [Purpose] To provide a key device that can recognize the locked or unlocked state of the key by checking the key plate to be carried even if the lock operator is away from the locked position. To aim. [Structure] In a cylinder lock that locks and unlocks by inserting and rotating the key plate 1 into a cylinder,
The key plate portion has a cavity 3 communicating with both side surfaces of the key plate, a slide plate 7 that divides a surface fitted in the cavity into one end portion 7a and the other end portion 7b, and a position of the slide plate. The cylinder 11 part includes a cylinder rotor 12 having an insertion hole 13 which is a guide hole for the key plate, and a cylinder case 18. The lock / unlock state is displayed by sliding the slide plate 7 of the key plate 1 in the lateral direction and positioning either one end 7a or the other end 7b of the surface of the slide plate 7 in the display hole 9 portion. It was a key device.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a key device for locking and unlocking by rotating a key plate in a cylinder.

[0002]

[Prior Art]

 Conventionally, this type of cylinder lock is locked and unlocked by inserting the key plate into the cylinder with the cylinder rotor containing the tumbler fitted in the cylinder case and rotating it by inserting the key plate from the key plate insertion hole. Key devices for performing are known.

[0003]

[Problems to be solved by the device]

 However, in the conventional key device described above, if the lock operator thinks to confirm the lock after the lock operator leaves the lock position such as the door of the building or the vehicle, the key device must be returned to the building or the vehicle. It was not possible to confirm whether the lock was locked.

The present invention has been made in view of the above matters, and a key device capable of recognizing a locked / unlocked state of a key by confirming a key plate to be carried even when a locking operator is away from a locked position. The purpose is to do.

[0005]

[Means for Solving the Problems]

 The present invention relates to a cylinder lock for locking and unlocking by inserting the key plate 1 into the cylinder 11 and rotating the key plate, in which the key plate 1 part includes a space 3 communicating with both side surfaces of the key plate 1 and this space. The cylinder is composed of a slide plate 7 that is fitted in the space 3 and divides the surface into one end portion 7a and the other end portion 7b, and a display hole 9 for confirming the position of the slide plate 7 in the space 3. Part 11 is composed of a cylinder rotor 12 having an insertion hole 13 which is a guide hole of the key plate 1 and a cylinder case 18 which holds the cylinder rotor 12, and both of which are provided on the axis line of the insertion hole 13 of the cylinder rotor 12. The outer peripheral portion has a pair of push rod mechanisms 20 for sliding the slide plate 7 in the lateral direction, and keeps the key plate 1 as the key plate 1 rotates in the cylinder 11. The slide plate 7 of the door 1 is slid laterally, and either one of the one end 7a and the other end 7b of the slide plate 7 is positioned in the display hole 9 to lock and unlock. Was used as a key device for displaying.

[0006]

[Action]

 When locking the key, when the key plate 1 is inserted into the cylinder 11 through the insertion hole 13 and is rotated 180 degrees to the left, the outer end of one rod 22a is projected on the protrusion 19a of the cylinder case 18 during the rotation process. As a result of being pushed inward by the, the inner end of the rod 22a pushes the one end 7a side of the slide plate 7, and the slide plate 7 slides to the other rod 22b side.

Next, as the outer end of the other rod 22b is pressed by the protrusion 19b, the inner end of the rod 22b presses the other end 7b side of the slide plate 7 in the space 3. The slide plate 7 slides to one rod 22a side.

Then, when the locking operation is completed, the slide plate 7 is positioned on one rod 22a side. When the key is unlocked, the key plate 1 is inserted into the cylinder 11 through the insertion hole 13 and rotated 180 degrees to the right, the reverse process of the locking operation is followed, and the unlocking operation is completed. Thus, the slide plate 7 is located on the other rod 22b side.

That is, as the rod 22b is pushed by the protrusion 19b, the slide plate 7 is slid to the rod 22a side, and then the rod 22a is pushed by the protrusion 19a, so that the slide plate 7 is pushed by the rod 22b. Slide to the side.

As described above, when the key is locked and unlocked, the slide plate 7 slides laterally in the empty space 3, and the one end of the slide plate 7 serving as the lock / unlock display section is displayed through the display hole 9 of the key plate 1. The part 7a or the other end 7b is displayed, and the lock / unlock status of the key is shown.

[0011]

【Example】

 An embodiment of the present invention will be described with reference to FIGS. First, the key plate 1 of the present embodiment will be described mainly with reference to FIGS. 3 and 4 (a) (b) (c).

As shown in FIG. 3, the sliding mechanism 6 is formed between the key mountain 31 of the key plate 1 and the sandwiching portion 33. As shown in FIG. 4 (a), which is a sectional view taken along the line III-III in FIG. 3, the sliding mechanism 6 has a recess in the key plate 1 and a circular display hole in the center of the recess. The space 3 is formed by attaching the lid 8 provided with. A slide plate 7 that is slidable in the vertical direction in FIG. 3 and has a smaller diameter than the space 3 is fitted in the space 3. This slide plate 7 is formed as a leaf spring as shown in FIG. 4 (c), and in the cavity 3, the surface portion and the bottom portion of the slide plate 7 are respectively the lid 8 and the bottom surface in the cavity 3. And is fixed by the biasing force of the leaf spring.

As shown in FIG. 4B, the surface of the slide plate 7 is color-coded into one end 7a and the other end 7b. Here, the one end portion 7a is a display portion showing the opened state of the key, and the other end portion 7b is a display portion showing the closed state of the key.

The space 3 communicates with both side surfaces of the key plate 1 through slits 4 a and 4 b having a smaller diameter than the slide plate 7. Next, the structure of the cylinder 11 will be described with reference to FIGS.

FIG. 1 is a sectional view cut in the axial direction with the key plate 1 inserted in the cylinder 11, and FIG. 2 is a sectional view taken along the line II of FIG. The cylinder 11 is configured by fitting the cylinder rotor 12 in the cylinder case 18.

An insertion hole 13 for inserting the key plate 1 is formed in the center of the cylinder rotor 12, and the upper end and the lower end of the insertion hole 13 of the cylinder rotor 12 on the axis are respectively provided. A pair of push rod mechanism 20a and push rod mechanism 20b for operating the slide mechanism 6 is formed.

A rod chamber 15a and a rod chamber 15b are formed in the pair of push rod mechanism 20a and push rod mechanism 20b, respectively. The rod chamber 15a is formed by the slit 16a and the slit 17b. Are formed so as to communicate with the outer peripheral surface of the cylinder rotor 12 and the insertion hole 13 by the slits 16b and 17b, respectively.

In the rod chambers 15a and 15b, rods 22a and 22b each having a collar 23a and a collar 23b formed at the center of the rod-shaped rod are fitted. 22b is urged outward by springs 24a and 24b, and is held with its outer end always protruding from the outer peripheral surface of the cylinder rotor 12.

The cylinder rotor 12 is fitted in a cylindrical cylinder case 18 having two protrusions 19a and 19b within 180 degrees of the inner peripheral surface. Here, when the cylinder rotor 12 is fitted into the cylinder case 18, the two protrusions 19a and 19b are connected to the rod 22a of the cylinder rotor while the lock or unlock of the key is completed. The rods 22b are fitted so as to be positioned at right and left sides with respect to the axis of the rod 22b and within 180 degrees including the rod 22a.

Next, the operation of this embodiment will be described. First, the operation when locking the key will be described. When the key plate 1 is inserted into the cylinder 11 through the insertion hole 13, the slide mechanism 6 of the key plate 1 is located between the push rod mechanism 22a and the push rod mechanism 22b of the cylinder rotor 12.

When the key plate 1 is rotated leftward by 180 degrees, the cylinder rotor 12 together with the key plate 1 is also rotated leftward by 180 degrees. In this rotating process, first, the outer end of the rod 22a is pressed by the protrusion 19a of the cylinder case 18, the rod 22a moves inward against the spring 24a, and the inner end of the rod 22a moves to the key plate. The slit 4a of No. 1 enters the space 3. Then, the inner end portion of the rod 22a presses the one end portion 7a side of the slide plate 7, and the slide plate 7 moves to the slit 4b side against the biasing force of the leaf spring.

Here, when the rod 22 passes through the protruding portion 19, it is separated from the inside of the void 3 by the urging force of the spring 24. Then, the outer end of the rod 22b is pressed by the projection 19b, the rod 22b moves inward against the spring 24b, and the inner end of the rod 22b moves from the slit 4b of the key plate 1 to the inside of the space 3. Enter. Then, the inner end portion of the rod 22b presses the other end portion 7b side of the slide plate 7, and the slide plate 7 resists the biasing force of the leaf spring and, as shown in FIG. It moves to the slit 4a side until the other end 7b is located in the section.

At this time, although not shown, the cylinder is rotated by locking the key while the key crests of the key plate 1 align the tumblers in the cylinder. Then, after locking is completed, the key plate 1 is pulled out from the insertion hole 13.

Here, at the lower part of the display hole 9 formed in the central portion of the surface of the slide mechanism 6 of the key plate 1, the other end 7b, which is a lock display, is held by the biasing force of the leaf spring. To do.

Secondly, the operation at the time of unlocking the key will be described. Contrary to the operation at the time of locking, the key plate 1 inserted into the cylinder 11 is unlocked by rotating the key plate 1 180 degrees to the right.

That is, in the turning process, the push rod mechanism 20b passes through the protrusion 19b, and then the push rod mechanism 20a passes through the protrusion 19a. That is, after the rod 22b slides the slide plate 7 toward the rod 22a side, the rod 22a is pressed inward by the protrusion 19a, and the slide plate 7 is moved to the display hole 9 as shown in FIG. 5B. It is moved to the slit 4b side until the one end 7a is located in the section. Then, the slide plate 7 is held with the one end portion 7a positioned in the display hole 9 portion.

In this rotation process, although not shown, the cylinder is rotated with the key ridges of the key plate 1 aligned with the tumblers in the cylinder, and the key is unlocked. Then, after unlocking is completed, the key plate 1 is pulled out from the cylinder 11.

As described above, according to this embodiment, the slide plate 7 provided on the key plate 1 slides in the void 3 as the key is locked and unlocked, and when the key is locked, as shown in FIG. As shown in FIG. 5, a key closing display is displayed, and when unlocked, a key opening display is displayed as shown in FIG. Therefore, it is possible to recognize whether or not the key is locked by checking the display hole 9 portion of the key plate 1 even at a place away from the locked position.

The one end portion 7a and the other end portion 7b of the slide plate 7 may be distinguished by not only color classification but also characters, symbols, Braille, or the like. The display hole 9 of the slide mechanism 6 may be formed in a rectangular shape, an elliptical shape, or the like in addition to the circular shape. Further, the display hole 9 is formed at the end portion of the slide mechanism 6 instead of the central portion, and the display hole 9 of the slide plate and the key plate 1 main body is formed. The locked / unlocked state may be displayed by distinguishing it from the bottom surface of the recess.

Further, the push rod mechanism 20 may be a mechanism that is electromagnetically operated by an electric signal, for example, and the slide mechanism 6 also has a slide plate 7 formed of a magnet so that the slide plate can be fixed and slidable. It is good also as a mechanism to raise.

Further, when the cylinder rotor 12 is fitted into the cylinder case 18, the protrusions 19a and the protrusions 19b are fitted so as to be positioned within 180 degrees including the rod 22a. It may be fitted so as to be positioned within 180 degrees on the circumference of the slide plate 7. In this case, one end 7a which is the key open display part of the slide plate 7 and the other end 7b which is the key close display part are oppositely arranged. Form.

[0032]

[Effect of the device]

 According to the present invention, since the key plate is provided with a mechanism for displaying the locked / unlocked state of the key, the key device can recognize the locked / unlocked state by checking the key plate even at a place away from the locked position. Can be

[Brief description of drawings]

FIG. 1 is a sectional view of a key plate according to an embodiment of the present invention, which is half-cut in the axial direction with a key plate inserted into a cylinder.

FIG. 2 is a sectional view taken along the line II of FIG. 1 according to the embodiment.

FIG. 3 is a top view of the key plate according to the embodiment.

4A is a sectional view taken along line III-III in FIG. 3 of the embodiment, FIG. 4B is a top view of a slide plate of the embodiment, and FIG. It is a side view of the example slide plate.

FIG. 5 (a) is a diagram showing a slide mechanism unit in a locked state of the embodiment, and FIG. 5 (b) is a diagram showing a slide mechanism unit in an unlocked state of the embodiment.

[Explanation of symbols]

 1 ・ ・ Key plate 3 ・ ・ Vacancy 7 ・ ・ Slide plate 7a ・ ・ One end 7b ・ ・ The other end 9 ・ ・ Display hole 11 ・ ・ Cylinder 12 ・ ・ Cylinder rotor 13 ・ ・ Insertion hole 18 ・ ・ Cylinder Case 20 ... Push rod mechanism

Claims (1)

[Scope of utility model registration request] 1. A key plate (1) is attached to a cylinder (11).
In a cylinder lock that is locked and unlocked by inserting and rotating in the inside, the key plate (1) part has a space (3) communicating with both side surfaces of the key plate (1) and this space (3). It is possible to confirm the slide plate (7) which is fitted inside and which divides the surface into one end portion (7a) and the other end portion (7b), and the position of the slide plate (7) in the void (3). A cylinder rotor (12) having a display hole (9), and a cylinder (11) portion having an insertion hole (13) which is a guide hole of the key plate (1) and a cylinder holding the cylinder rotor (12). A pair of push rod mechanisms for sliding the slide plate (7) laterally on both outer peripheral portions of the cylinder rotor (12) on the axis of the insertion hole (13). 20), in the cylinder (11) The slide plate (7) of the key plate (1) is slid laterally in accordance with the rotating operation of the key plate (1), and the one end (7a) and the other end of the surface of the slide plate (7) A key device for displaying a locked / unlocked state by locating one of the parts (7b) in the display hole (9).