JPH053535U - Lock device - Google Patents

Abstract

(57) [Summary] [Purpose] With a simple structure, the confidentiality of the contents to be locked is enhanced. A male member is provided on at least one of a fixed side and a movable side, and a female member is provided on the other side so that a protrusion provided on the male member and a through hole provided on the female member can be engaged with each other, and the protrusion is covered. The locked hole is formed so that the cover does not come off from the protrusion with the locked hole attached, and the shape of the cover is set so that the lock portion is covered by the cover in this locked state. More preferably, an entry portion for a user's signature or the like is provided on the surface of the cover.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

  The present invention relates to a device for locking fasteners, desk drawers, etc. is there.

[0002]

[Prior art]

  Conventionally, other than the user, the fasteners provided on the bag and the drawers of the desk are fixed. The lock device is being developed to prevent the lock device from being opened.

[0003]   For example, in Japanese Unexamined Patent Publication No. 50-150599, the entrance is opened and closed with a fastener. In the envelope to be opened, a through hole that penetrates the front and back of this envelope body, including this envelope body, is provided. If an upper plate and a lower plate are provided and a pair of upright parts are erected around the through hole, In both cases, the tab side of the fastener is provided with a rectangular hole that is fitted on the upright portion. With the hole of the above is fitted on the upright part, it is impossible to remove the disposable member. It is disclosed to be inserted into a hole. According to such structure, use Presence of the disposable member by the person inserting the disposable member into the through hole. The fastener tab cannot be moved with the It is not possible to open the fastener unless you break the trunk of the material and forcibly remove the disposable item. It will be impossible. Therefore, the recipient can easily determine whether the contents of the envelope were seen by a third party. It is possible to make a judgment, which makes it possible to maintain the confidentiality of the contents in the envelope.

[0004]

[Problems to be solved by the device]

  With the locking device as described above, it is impossible to remove the disposable member from the through hole. In order to achieve this, you must use a complicated shape as this disposable member. The cost is high. Also, this device has a lock structure It is in a state where it can be easily confirmed from the outside, but the confidentiality of the contents In order to increase it, it is more desirable to prevent the above lock part from being seen from the outside. Good

[0005]   Further, in the lock device, a third party has the same shape as the disposable member. Prepare a member, insert the next new member after removing the disposable member. It is extremely important for the parties to check whether the contents were seen or not. Becomes difficult.

[0006]   In consideration of such a situation, the present invention has a simple structure and protects the contents of the contents to be locked. An object of the present invention is to provide a locking device that can further improve the property.

[0007]

[Means for Solving the Problems]

  The present invention is directed to a female member provided on either the fixed side or the movable side, and the female portion. A male member provided on the side opposite to the member, and a cover, the female member having a through hole. However, the male member has a shape that can be engaged with the through hole and has a distal end portion that is larger than other portions. The cover has a protrusion formed with a locking portion having a large cross-sectional shape. It is configured so that it can be bent only upward, and the diameter of this bending increases the engagement of the protrusions. The locked part has a diameter that allows the stopper to be inserted from below, and the covered hole is the boundary. Has a dividing part for dividing the lock, and the engaged hole and the protrusion are engaged with each other. And a shape that covers the engaging portion between the projection and the through hole from above in the opened state. It

[0008]   Further, it is more preferable to provide a writing section on the surface of the cover. This As the entry part of, the top surface of the cover is textured etc. It is preferable that a piece of entry form is attached.

[0009]

[Action]

  In the above structure, the protrusion of the male member is engaged with the through hole of the female member, and the cover is inserted from above. If you press the locked hole of the button and insert the locking part of the above-mentioned protrusion into this locked hole, -Does not come off from the above protrusion. This locks the male and female members. In this state, the lock portion is covered with the cover.

[0010]   When removing the lock from this state, fold the cover at the dividing part. Since it must be removed, it is not possible for a third party other than the user to secretly unlock the lock. It will be difficult.

[0011]   In addition, according to the above-mentioned cover provided with a writing part, it is used for this writing part. The person who fills out his / her own signature, etc. It will be easy to distinguish it from other covers, and a third party can unlock the lock without the user's knowledge. However, it will be impossible to replace it with a new cover.

[0012]

【Example】

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

[0013]   FIG. 4 shows a reusable envelope 10 to which the device of the present invention is applied. This envelope 10 has a fastener 12 at the entrance and can be opened and closed by operating this fastener 12. It is free. This fastener 12 is a fastener running tool as shown in FIG. A row body 13 is provided, and a tab (female member) 1 is attached to a ring portion 14 of the fastener traveling body 13. 6 is rotatably connected to the fastener traveling body by gripping the tab 16. The fastener 12 can be opened and closed by running the fastener 13. And The lock device 20 of the present invention is provided for the fastener 12.

[0014]   This locking device 20 includes the tab 16 and the case (male member) 2 shown in FIG. 2 and a cover 24.

[0015]   The case 22 has a shape that opens in one direction (upward in the figure), and has screws (not shown) or the like. It is fixed to the main body side of the envelope 10 by the fixing means. For details, see above fastener 1 2, the fastener running body 13 and the tab 16 are positioned when fully closed. The case 22 is arranged in the vicinity of the end on the placement side.

[0016]   A recess 221 into which the cover 24 is fitted is formed around the entire periphery of the case 22. It is formed over. From the center of the bottom surface of the case 22, the protrusion 22 2 is provided in a protruding manner, and a substantially hemisphere having a larger diameter than the other portions is provided at the tip of the protrusion 222. Shaped locking portions 223 are formed. Also, is the side wall of the case 22 partially cut out? The recess 2 for the fastener running body 13 and the tab 16 to enter into this portion. 24 are provided. On the other hand, the tabs 16 can be engaged with the protrusions 222. The through hole 17 is formed.

[0017]   The cover 24 is formed of a relatively soft material such as resin and has the protrusion 222. Has a locked hole 241 at a position corresponding to. As shown in FIG. 3, this The peripheral edge of the locked hole 241 has a tapered shape that is curved upward (front side) toward the center. In addition, a plurality of notches 242 (Fig. 1) are radially formed in this peripheral portion. The diameter of the locked hole 241 can be increased only by bending the peripheral portion upward. It has become Noh. The diameter of the locked hole 241 is different from that of the case where the diameter is expanded. Only the locking portion 223 of the protrusion 222 is set in a range where it can be inserted.

[0018]   A dividing groove 243 is formed in the cover 24 so as to cross the locked hole 241. It is formed in the cover width direction, and is formed by folding the cover 24 along the dividing groove 243. The front half 245 and the rear half 246 of the cover 24 with the locked hole 241 as a boundary. Can be easily divided. In addition, the side wall of the latter half portion 246 has a minute An operation claw 247 used when performing the disconnection operation is provided in a protruding manner.

[0019]   Further, for the user to write a signature or the like on a predetermined portion of the first half portion 248. Is provided. In this figure, the first half of the above is used as the entry section 248. A predetermined area on the upper surface of the portion 245 is embossed to form unevenness, and a felt pen or the like is used. It is shown that the entry is made easier, but for example, a piece of entry form is attached to the top surface above. The entry portion can also be formed by doing so.

[0020]   Next, a lock procedure by the lock device 20 will be described.

[0021]   First, grasp the tab 16 and run the fastener running body 13 in the fastener closing direction. The through hole 17 of the tab 16 is engaged with the protrusion 222 in the case 22. further, From above, push the locked hole 241 of the cover 24 to the locking portion 223 of the protrusion 222. When pressed and strongly pressed from the front side, the peripheral edge of the locked hole 241 bends to the front side and becomes locked. The diameter of the hole 241 is expanded, and the locking portion 223 is inserted into the locked hole 241 from the back side. And the cover 24 is attached to the case 22 and is in the state shown in FIGS. 2 and 3. Becomes

[0022]   In this state, the diameter of the locked hole 241 is smaller than the maximum diameter of the locking portion 223. As it is, the cover 24 cannot be pulled out from the protrusion 222. Therefore, The tab 16 of the fastener 12 cannot be removed from the protrusion 222, Is completely locked. Moreover, the lock part is the cover 2 in this state. It's completely covered by 4, so how can a third party lock? Cannot be grasped from outside.

[0023]   If you want to release the lock from this state, do not put your finger on the operating claw 247. The cover 24 is folded at the separating section 243 to separate the front half 245 and the rear half 246 thereof. You can turn it down. In other words, unless the cover 24 is divided in this way, Since the lock cannot be released, the lock can be It becomes extremely difficult to release and open the fastener 12.

[0024]   Moreover, in the lock device 20, the writing portion 248 is provided on the upper surface of the cover 24. Therefore, when locking, the user should put his / her own signature on the entry section 248 beforehand. If you fill it in, even if a third party gets a cover with the same shape as the cover 24, It will be impossible to covertly replace the cover with the original cover. Especially this In the lock device 20, the cover 24 has a shape that covers the lock portion. Therefore, a sufficient area for providing the writing portion 248 is provided on the upper surface of the cover 24. There is an advantage that can be secured.

[0025]   It should be noted that in the present invention, it is possible to divide the cover regardless of the dividing direction, with the through hole as a boundary. If, for example, the cover 24 in the above embodiment is divided in the vertical direction. You may

[0026]   Further, the present invention, regardless of whether the male member and the female member are on the fixed side or the movable side, For example, in the case of the fastener 20 described above, a protrusion is provided on the tab 16 side to form a male member. A through hole that engages with the protrusion may be provided on the case 22 side to form a female member.

[0027]   Further, the present invention is not limited to the fastener lock as described above, It can be applied to the opening and closing parts of various containers and equipment. For example, a desk drawer lock When used as a plug, at least one of the desk body side and the drawer side is the female of the present invention. A member is provided and a male member is provided on the other so that both can be engaged when the drawer is closed. You can do it.

[0028]

[Effect of device]

  As described above, the present invention is provided with the projection provided on the male member and the through hole provided on the female member. And can be engaged, and with the locked hole of the cover attached to the above protrusion, Make sure that the cover does not come off, and in this locked state, lock the Since it is designed to be covered, the structure of the contents to be locked is simple with a simple structure. There is an effect that the denseness can be improved.

[0029]   In addition, according to the above-mentioned cover provided with a writing part, it is used for this writing part. If a person fills in his / her own signature, etc. Can be made impossible to exchange and the confidentiality can be further improved. There is an effect.

[Brief description of drawings]

FIG. 1 is a perspective view of a lock device according to an embodiment of the present invention.

FIG. 2 is a plan view showing a locked state of the lock device.

FIG. 3 is a partial cross-sectional front view showing a locked state of the lock device.

FIG. 4 is a plan view of an envelope provided with the lock device.

[Explanation of symbols]

10 envelopes 12 fasteners 16 tabs (female member) 17 through holes 20 Lock device 22 Case (male member) 222 protrusion 223 Locking part 24 cover 241 Locked hole 243 dividing groove 248 entry section

Claims (2)

[Scope of utility model registration request] 1. A female member provided on one of a fixed side and a movable side, a male member provided on a side opposite to the female member, and a cover, wherein the female member has a through hole. Then
The male member has a protrusion that is engageable with the through hole and has a locking portion formed at its tip end with a cross-sectional shape larger than that of the other portion. In order to divide the cover with this locked hole as a boundary, the locked hole that is configured to be bendable only and has a diameter through which the locking portion of the protrusion can be inserted from below due to the diameter expansion by this bending Locking device having a dividing portion and a shape that covers the engaging portion between the protrusion and the through hole from above in a state where the locked hole and the protrusion are engaged with each other. . 2. The lock device according to claim 1, wherein a writing portion is provided on a surface of the cover.