KR200223434Y1 - Secondary padlock with enhanced security - Google Patents

Abstract

Disclosed is an auxiliary lock with enhanced security. The present invention is a sub-lock formed with a pattern on the body so that the key can move normally in the key insertion slot when the key and the key insertion slot and the key insertion slot, the body is abnormal to the key insert It provides an auxiliary lock, characterized in that the groove is provided that can be provided with a sensing means for detecting the alarm when the key of the form is inserted.

Description

Secondary Padlock with Enhanced Security {.}

The present invention relates to a lock, and more particularly, to an auxiliary lock provided with a sensing means in the lock to prevent unlocking by an abnormal key to enhance the security function.

All doors are equipped with a lock, which is preferably unlocked by a key that matches the lock, but sometimes the lock is also unlocked by a key that does not fit the lock. To prevent this, manufacturers put locks on the market that have more complicated internal structures, but methods of illegal unlocking of the locks and the tools necessary for them are also being developed. It is also a problem that is difficult to prevent, but the biggest problem is that a legitimate user does not know that the lock of the lock has been abnormally released.

Therefore, the technical problem to be achieved by the present invention is to solve the above-mentioned problems of the prior art, the lock is unlocked by an illegal person and at the same time can be easily known by a legitimate user can strengthen the security of the door In providing an auxiliary lock.

1 is a plan view of an auxiliary lock enhanced security function according to a first embodiment of the present invention.

Figure 2 is a front view of the secondary lock enhanced the security function according to the first embodiment of the present invention.

3 is a rear view of the auxiliary lock with enhanced security function according to the first embodiment of the present invention.

Figure 4 is a side view of the secondary lock enhanced the security function according to the first embodiment of the present invention.

5 is a plan view of the secondary lock enhanced the security function according to a second embodiment of the present invention.

Figure 6 is a front view of the secondary lock enhanced the security function according to a second embodiment of the present invention.

7 is a rear view of the auxiliary lock with the enhanced security function according to the second embodiment of the present invention.

Figure 8 is a side view of the secondary lock enhanced the security function according to a second embodiment of the present invention.

9 is a bottom view of an auxiliary lock with enhanced security function according to a second embodiment of the present invention.

10 is a rear view of the auxiliary lock with the enhanced security function according to the third embodiment of the present invention.

11 is a cross-sectional view showing a sensing means fastened to the auxiliary lock according to an embodiment of the present invention.

* Description of Signs of Major Parts of Drawings *

8: Auxiliary lock 10, 40, 60: Body

12: screw groove 14, 46, 62: groove

16: Key opening 18, 50: Second groove

20, 52: Third groove 48: Key insertion portion

In order to achieve the above technical problem, the present invention is in the auxiliary lock formed with a pattern on the body so that the key can move normally in the key insertion slot when a normal key is inserted into the body and the key insert and the key insert, The body provides an auxiliary lock, characterized in that the groove is provided with a sensing means for detecting an alarm when an abnormally inserted key is inserted into the key insertion hole.

The groove is provided so as to open with the key insertion opening at the inner end of the key insertion opening, the groove is provided in the form of penetrating the other side facing one side of the body, the peak when the sensing means is provided in the groove The portion is provided so as not to be pressed by a normal key inserted into the key insertion opening.

The groove is formed along the center of the body from the rear to the front of the body and is opened with the key insert.

The groove is composed of a portion to which the sensing means is fastened and a portion through which an electric wire for supplying power to the sensing means can pass. In this case, the part to which the sensing means is fastened is composed of a part for insertion of the body of the sensing means and a part for insertion of a peak portion pressed by an abnormal key inserted into the key insertion hole attached to the body.

The body is formed such that a second groove formed perpendicular to the groove is opened to the groove so that a fixing means for preventing the flow of the sensing means fitted into the groove can be inserted.

The sensing means is a tact switch that alarms the alarm device connected to the outside by pressing the peak portion thereof.

In this way, the auxiliary lock according to the present invention has a groove to which the sensing means can be fastened so as to know the fact through an alarm when an abnormal key is inserted into the key insertion slot. As such, when the auxiliary lock according to the present invention is used, even if the illegally unlocked person unlocks the lock abnormally, the fact is known to the outside as an alarm so that the security of the door can be further strengthened. Can be.

Hereinafter, the security lock according to the first to third embodiments of the present invention will be described in detail with reference to the accompanying drawings. In this process, the thicknesses of layers or regions illustrated in the drawings are exaggerated for clarity.

<First Embodiment>

1 is a plan view of the auxiliary lock according to the present invention, reference numeral 10 denotes a body of the auxiliary lock (8). Reference numeral 12 denotes a portion in which the screw groove is formed on the surface of the body 10. And reference numeral 14 denotes a groove formed to penetrate the portion 12 in which the threaded groove of the body 10 is formed. The groove 14 can detect when an abnormal key is inserted into the key insertion hole 16, and at the same time, a sensing means (see '100' in FIG. 11) connected to an alarm device is provided so that an alarm can be sounded to the outside. It is a groove to be fastened. The groove 14 is comprised from the 1st-3rd parts 14a, 14b, 14c, and is opened with the key insertion opening 16. As shown in FIG. The first portion 14a of the groove 14 is a portion into which the body 110 of the sensing means 100 is inserted, and the second portion 14b is a peak portion 120, that is, a sensing portion of the sensing means 100. In the case where the key is pressed by the key inserted into the key insertion port 16 abnormally, the alarm is caused to sound through the alarm device. The sensing means 100 is connected to the external alarm device via a wire, wherein the third portion 14c of the groove 14 serves as a passage for the wire.

Referring to FIG. 2, the groove 14 is formed to penetrate the corresponding other side on one side of the body 10. That is, the groove 14 is formed so as to penetrate the body 10 along the centerline passing vertically through the key insertion port 16 from the top to the bottom.

FIG. 3 is a rear view of the auxiliary lock according to the first embodiment of the present invention. Referring to this, the third portion of the groove 10 is formed on the side opposite to the key insertion hole 16 of the body 10. Along with 14c), a second groove 18 for forming a crisscross groove is formed. The second groove 18 is formed perpendicular to the third portion 14c of the groove 10, which fits in the holding means for preventing the sensing means 100 fitted in the groove 10 from flowing. It is for. It can be seen that the rear surface of the body 10 is divided into four in the same form by the third portion 14c and the second groove 18 of the groove 10, with each divided portion being the second groove 18. It is further divided into two by the third grooves 20 formed side by side. The third groove 20 is a portion into which a fixing plate for separating and fixing the two strands of wires connecting the sensing means 100 and the external alarm device, one by one, is inserted. When the two strands of wires are combined into one, the fixing plate may be inserted into only one of the two third grooves 20.

Referring to FIG. 4, which is a side view of the auxiliary lock according to the present invention, the second groove 18 is formed to have a shallower depth than the groove 14, which is reasonable when considering the role of the second groove 18. . However, the second groove 18 is opened with the key insertion opening 16 through the third portion 14c of the groove 14. The third groove 20 is formed to the same depth as the second groove 18, and is similarly opened to the key insertion opening 16 through the third portion 14c of the groove 14.

On the other hand, as shown in Figures 1 and 4, when the normal key is inserted into the key insertion opening 16 on the upper surface or side of the body 10 is engraved on the normal key so that the normal key can be turned normally Patterns 22a and 22b matching the pattern are formed. The patterns 22a and 22b are not limited in shape, but are preferably through holes penetrating between the surface of the body 10 and the key insertion hole 16.

<Second Embodiment>

Only parts different from the first embodiment will be described. The same part uses the same reference numeral as used in the first embodiment.

5 and 6 together, the auxiliary lock 8 according to the first embodiment has a key insertion hole 16 formed in the center of the body 10 as shown in FIG. In this case, the key insertion hole 48 is formed to penetrate to a predetermined depth of the body along one side of the body 40. In the case of the second embodiment, it is preferable to refer to the key insertion section rather than the key insertion slot. Therefore, the key insertion slot 48 is hereinafter referred to as the key insertion portion 48. Like the first embodiment, the body 40 has a groove 46 to which the key insert 48 and the sensing means 100 opened can be fastened. Referring to FIG. 9, it can be seen that the groove 46 is formed to penetrate the body 40 like the groove 10 of the first embodiment. However, unlike the groove 14 according to the first embodiment, the groove 46 has a first portion 46a to which the body 110 of the sensing means 100 is fastened and a second portion 46b serving as a passage of the electric wire. It consists of. In the second embodiment, the peak portion 120 of the sensing means 100 protrudes into the key insertion portion 48.

Referring to FIG. 7, a rear view of the body 44 according to the second embodiment includes a second cross-shaped groove which forms a crisscross groove together with the second portion 46b of the groove 46 opened with the key insert 48. Due to the groove 50, it is divided into four, and each divided surface is further divided into two by the third groove 52 formed in parallel with the second groove 50. The roles of the second and third grooves 50 and 52 are the same as those of the first embodiment.

As shown in FIG. 8, a pattern 54 having the same role as the patterns 22a and 22b of the first embodiment is formed on the side surface of the body 40 of the auxiliary lock according to the second embodiment.

<Third Embodiment>

Referring to FIG. 10, a groove 62 for inserting the sensing means 100 is formed on the rear surface of the body 60, and the groove 62 is formed forward along the body 62 at the center of the rear surface. In addition, recesses 64 which serve as passages of electric wires are further provided at upper and lower boundaries of the grooves 62. The groove 62 of this type is also applicable to the auxiliary locks according to the first and second embodiments as it is.

The sensing means 100 shown in FIG. 11 is a tact switch in which an alarm sounds by pressing a peak part by an abnormal key or a tool.

While many details are set forth in the foregoing description, they should be construed as illustrative of preferred embodiments, rather than to limit the scope of the invention. For example, a person having ordinary knowledge in the technical field to which the present invention belongs may form a rectangle or a triangle instead of a circular key insert, and a pattern formed on the body may be formed by a figure other than a circle. There will be. Therefore, the scope of the present invention should not be defined by the described embodiments, but should be determined by the technical spirit described in the utility model registration claims.

As described above, the auxiliary lock according to the present invention is provided with a groove to which the sensing means can be fastened so as to know the fact through an alarm when an abnormal key is inserted into the key insertion slot. As such, when the auxiliary lock according to the present invention is used, even if the illegally unlocked person unlocks the lock abnormally, the fact is known to the outside as an alarm so that the security of the door can be further strengthened. Can be.

Claims (6)

In the auxiliary lock formed with a pattern on the body so that the key can move normally in the key insertion slot when a normal key is inserted into the body, the key insert and the key insert, The body has a secondary lock, characterized in that the groove is provided with a sensing means for detecting an alarm when an abnormally inserted key is inserted into the key insertion hole. The method of claim 1, wherein the groove is provided so as to open the inner end of the key insertion opening and the key insertion opening, and is provided in the form of penetrating the other side facing one side of the body, the sensing means is the groove The auxiliary lock, characterized in that the tip portion is provided so as not to be pressed by a normal key inserted into the key insertion opening when provided to. The auxiliary lock as claimed in claim 1, wherein the groove is formed along the center of the body from the rear to the front of the body and is opened with the key insert. According to claim 1, wherein the groove is a portion for inserting the body portion of the sensing means is inserted and the peak portion pressed by the abnormal key inserted into the key insertion hole attached to the body and the external alarm to the sensing means A secondary lock, characterized in that it consists of parts for wires for connecting the device. The method of claim 4, wherein the body is formed so that the second groove formed perpendicular to the groove is opened so as to be inserted into the fixing means for preventing the flow of the sensing means fitted into the groove. Auxiliary lock featured. 5. The auxiliary lock as claimed in claim 4, wherein the sensing means is a tact switch which alarms the alarm device by pressing a peak portion thereof.