KR20120127874A - Doors locking mechanism for easy mounting - Google Patents

Abstract

The present invention relates to a locking device coupled to the key cylinder (1) for locking and unlocking the door (D), and has a locking unit (11) that operates in conjunction with the key cylinder (1) as a feature of the configuration. A main body (10) having a lever (12) capable of being attached and detached while being engaged with the locking unit (11); A connection cover 20 integrally coupled to the inner side of the main body 10 and having a guide protrusion 21 to be engaged with the key cylinder 1 on one surface thereof; And fastening holes 31 and 32 on the main body 10 and the connection cover 20, respectively, and fastening bolts 31 and 32 passing through the fastening holes 31 and 32 to be fastened to the key cylinder 1. It characterized in that it comprises a; coupling means 30 having a 35).
Accordingly, the present invention, while maintaining the main body, the connection cover and the coupling means in the assembled state, without sacrificing the aesthetics of the door according to the mounting to improve workability and convenience, significantly shortening the installation time, simplifying the parts significantly cost It is easy to maintain and manage while saving, and the assembly is improved due to the simplification of manufacturing, thereby increasing the overall productivity.

Description

Door locking mechanism for easy mounting

The present invention relates to a locking device for locking and releasing a door coupled to a key cylinder, and more particularly, to maintain workability and convenience without harming the aesthetics of the door according to the mounting by maintaining the main body, the connection cover and the coupling means. Easy to install and lock for doors that greatly improves the installation time, greatly reduces cost by simplifying parts, and maintains and manages easily. Relates to a device.

Usually, the locking device for locking and releasing a door comprises a main body having a locking unit, a key cylinder for operating the locking unit by a key, and a substrate for coupling the main body and the key cylinder to each other on the door. In order to mount such a lock on the door, a hole is formed at a position to be mounted on the door, and then a key cylinder is inserted from the outside of the door, and the door is coupled through the substrate to the inside of the door. Thereafter, the main body, which works in conjunction with the key cylinder, has been re-combined with the substrate to mount the locking device on the door.

However, since the assembly position of the key cylinder and the board must be adjusted after the actual work in the field, the assembly position of the board and the main body must be adjusted again, resulting in not only poor workability but also a lot of time required for installation. Since the screw is exposed to the front of the main body in which the lever for the operation is located, there is a problem that hurts the aesthetics. Accordingly, the present applicant has developed a locking device for fundamentally solving the above-mentioned problems. As a related patent, the applicant has registered the "door locking mechanism" of Korean Utility Model Publication No. 20-0264441, the "door locking mechanism" of Korean Utility Model Publication No. 20-0288711, and the like.

That is, according to the "door locking mechanism" of Korean Patent Utility Model Publication No. 20-0264441 registered by the present applicant, the key cylinder (18) in the locking mechanism that is coupled to the key cylinder 18 to lock the door; It is provided with a functional unit that is interlocked with, the body is formed through the hole at least at one point of the side, the substrate interposed between the key cylinder 18 and the main body, the installation and separation of the main body and the substrate for easy installation Door opening mechanism, characterized in that it comprises an opening and closing means and a guide means for inducing an accurate coupling position of the substrate and the key cylinder 18.

And according to the "door locking mechanism" of Korean Utility Model Publication No. 20-0288711, in the locking mechanism that is coupled to the key cylinder 18 to determine the door: provided with a functional unit interlocked with the key cylinder 18 A main body 20 having a through hole 20a and a binding groove 20b formed on outer peripheral surfaces of both sides at at least one point on a front surface thereof, interposed between the main body 20 and the key cylinder 18, and a key cylinder. A door lock comprising a substrate 30 having guide means for guiding the coupling of 18 and a binding means installed to facilitate coupling and separation of the main body 20 and the substrate 30. Mechanism. "

However, the locking device developed by the present applicant has the effect of improving the convenience and aesthetics of the work according to the mounting in the field by maintaining the relevant parts in the pre-assembled state, but it is necessary to separately manufacture a substrate for combining the body and the key cylinder In particular, as the opening and closing means for fastening the board and the main body more conveniently must be provided on the main body, the cost due to a large number of parts is significantly increased and maintenance and management are difficult, and the manufacturing process is complicated and the assembly process is complicated. This deterioration caused a waste of manpower has a disadvantage of lowering the overall productivity.

Korean Utility Model Publication No. 20-0264441 "Door Locking Mechanism" Korean Utility Model Registration Publication No. 20-0288711 "Door Locking Mechanism"

Accordingly, the present invention is to fundamentally solve the conventional problems as described above, by maintaining the main body, the connection cover and the coupling means in an assembled state to improve workability and convenience without harming the aesthetics of the door according to the mounting It is an easy-to-install door lock that greatly reduces time, simplifies parts, greatly reduces costs, is easy to maintain and manage, and improves assembly by increasing manufacturing simplification. There is a purpose.

In order to achieve the above object, the present invention provides a locking device for locking and releasing a door in combination with a key cylinder: a locking unit having a locking unit operatively interlocked with the key cylinder, and engaged with the locking unit to be detachable and mounted. A main body having a; A connection cover which is integrally coupled to the inside of the main body and has a guide protrusion on one surface to be engaged with the key cylinder; And coupling means each having a fastening hole on the main body and the connection cover and having a fastening bolt to be fastened to the key cylinder by passing through the fastening hole.

At this time, the main body and the lever according to the present invention is characterized in that it is provided with a protrusion and a groove on each side and close to each other to propose a range of rotation.

In addition, the coupling means according to the present invention is coupled to the key cylinder and the main body in the center of the door, characterized in that the fastening with the key cylinder by inserting the fastening bolt on the fastening groove in the state in which the lever of the main body is detached.

It should be understood, however, that the terminology or words of the present specification and claims should not be construed in an ordinary sense or in a dictionary, and that the inventors shall not be limited to the concept of a term It should be construed in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be properly defined. Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention, and not all of the technical ideas of the present invention are described. Therefore, It is to be understood that equivalents and modifications are possible.

As described in the above configuration and operation, the door locking device according to the present invention maintains the main body, the connection cover and the coupling means in an assembled state, thereby improving workability and convenience without spoiling the aesthetics of the door according to the mounting time. It greatly reduces costs, simplifies parts, and greatly reduces costs, and is easy to maintain and manage. Its simpler manufacturing improves assembly and increases overall productivity.

1 is a block diagram showing a locking device and a key cylinder according to the present invention.
Figure 2 is a perspective view of the locking device according to the present invention from various angles.
Figure 3 is an exploded view showing a separate locking device according to the present invention.
4 and 5 is a mounting state showing the process of mounting the locking device according to the invention in the door with the key cylinder.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The present invention is associated with the locking device for locking and releasing the door (D) is coupled to the key cylinder (1), easy to install the main configuration of the main body 10, the connection cover 20, the coupling means (30) It is associated with a door lock.

The main body 10 according to the present invention includes a locking unit 11 that operates in conjunction with the key cylinder 1, and has a lever 12 that is detachable and attachable while engaging the locking unit 11. The main body 10 is a box type having a predetermined space therein, and includes a locking unit 11 that operates the door D substantially in a fixed manner. The locking unit 11 has a rotating body (not given a number) rotated by a hinge, and an operation (not given a number) between a rotating body which is slidably engaged with the rotating body and performs a linear movement to one side of the main body 10. It is formed of a leaf spring (not given the number) to give an appropriate elastic force by engaging between the operation. The locking unit 11 is coupled to the key cylinder 1 to one side to operate in conjunction with the key, as shown in Figure 1, the other side is coupled to the lever 12 to operate in conjunction with the user. That is, the main body 10 is mounted on the inner side with respect to the door D, and the key cylinder 1 is mounted on the outer side to be engaged with each other. Here, the lever 12 is mounted to be in close contact with one surface of the main body 10 as shown in FIG.

 At this time, the main body 10 and the lever 12 according to the present invention are provided with a protrusion 10a and a groove 12a on one surface, respectively, and propose a rotation range while being in close contact with each other. The lever 12 is engaged with the locking unit 11 coupled to be interlocked by the rotation by the user's operation to lock and unlock the door D. The operation of the locking unit 11 is a rotation radius of about 90 °. It operates by linear motion. That is, as shown in FIG. 3, one or more protrusions 10a are provided on one surface of the main body 10, and one or more grooves 12a are formed on one surface of the lever 12 that is in close contact with the main body 10. Of course, the protrusions 10a and the grooves 12a are arranged to suggest the rotation range of the lever 12 to about 90 °. Therefore, as the rotation range is proposed through the protrusions 10a and the grooves 12a, the operation of the locking unit 11 is made smoother and the failure is prevented. This means that it is possible to propose the range of rotation by the locking unit 11 alone, but it means that the intermediate unit between the rotating body constituting the locking unit 11 and the operation, the cam slide (not given the figure), is damaged. In addition, as described above, since the locking unit 11 and the key cylinder 1 are interlocked with each other, the key cylinder 1 may also suggest a rotation range of about 90 ° through the protrusion 10a and the groove 12a. have.

In addition, the connection cover 20 according to the present invention is integrally coupled to the inside of the main body 10, and has a guide protrusion 21 to engage with the key cylinder (1) on one surface. As shown in FIG. 3, the connection cover 20 seals the locking unit 11 provided as an inner space of the main body 10 from the outside while operably fixing the locking unit 11. In other words, the connection cover 20 is inserted into the body 10 is coupled to completely lock the locking unit 11 is opened to the outside to suppress the inflow of foreign matter to extend the life and prevent malfunction. In addition, the connecting cover 20 is provided with a hinge hole (25) for inducing the key cylinder (1) to be engaged with the locking unit (11) while allowing the pivoting body of the locking unit (11) to pivot. .

At this time, one surface of the connection cover 20 is provided with a guide protrusion 21 for inducing close coupling of the key cylinder 1 and the locking unit 11. Guide protrusion 21 is protruded to extend to a predetermined length to engage a coupling hole (1a) having one or more on one surface of the key cylinder (1). That is, the guide protrusion 21 is inserted into the coupling hole (1a) provided on the key cylinder (1) when the main body 10 and the key cylinder 1 is mounted on the door (D) to induce the coupling. . This induces a more convenient, tight and firm mounting as it is temporarily coupled through the guide protrusions 21 before fully engaging the key cylinder 1 onto the door D through the coupling means 30.

In addition, the coupling means 30 according to the present invention includes fastening holes 31 and 32 on the main body 10 and the connection cover 20, respectively, and passes through the fastening holes 31 and 32. It is provided with a fastening bolt 35 to be engaged with the key cylinder (1). Coupling means (30) is the main body 10 and the key cylinder (1) is completely fastened to induce firmly mounted on the door (D). That is, the coupling means 30 is provided with the fastening holes 31 and 32 on the main body 10 and the connection cover 20 to match, and passes through the fastening holes 31 and 32 to the key cylinder 1. It is provided with a fastening bolt 35 is coupled to the coupling hole (1a) of the fastening. The fastening hole 31 is formed in a position in which the lever 12 of the main body 10 is in close contact, and is hidden from the lever 12 when viewed from the outside. The fastening hole 32 is formed in the connection cover 20 at a position corresponding to the concentricity of the fastening hole 31 so that the fastening bolt 35 can pass in a straight line. Fastening bolt 35 is a state in which the diameter of the head portion is formed larger than the spiral portion, it is maintained in a state that is not caught by the fastening hole 32 due to the head portion. Of course, the diameter of the spiral portion of the fastening bolt 35 is the same as the diameter of the fastening hole 32, the diameter of the head portion is formed to be the same as the diameter of the fastening hole (31). Therefore, the fastening bolt 35 is caught by the fastening hole 32 while being inserted into the fastening hole 31 of the main body 10, and the main body 10 and the connection cover 20 through the lever 12 on the main body 10. ) And remain bound without being separated.

At this time, the coupling means 30 according to the present invention is coupled to engage the key cylinder 1 and the main body 10 around the door (D), in a state in which the lever 12 of the main body 10 is detached The fastening bolt 35 is inserted into the fastening grooves 31 and 32 to be completely fastened with the key cylinder 1. Coupling means 30 is to induce firmly mounted on the door (D) by fully engaging the main body 10 and the key cylinder (1), allowing a faster and more convenient operation when mounting in the field. That is, the coupling means 30 is a state attached to the inside of the main body 10 by the lever 12 and the connecting cover 20.

Therefore, in order to engage the key cylinder 1 and the main body 10 with respect to the door D, first, the locking groove of the main body 10 is detached through a bolt (not shown). 31) Retreat the fastening bolt 35 on the 32 and engage the key cylinder 1 with the locking unit 11 of the main body 10, and then fasten the fastening bolt 35 with the fastening groove 31, 32. Re-insert into the coupling and fasten to the coupling hole 1a of the key cylinder 1. Of course, when the main body 10 and the key cylinder 1 is completely mounted on the door D, the lever 12 is attached to the main body 10 again to complete. On the other hand, when the key cylinder (1) is inserted into the door (D) at the time of mounting, as the fastening bolt 35 is automatically retracted on the fastening grooves (31) (32), it does not have to be retracted firmly, fastening groove ( It is most desirable to retreat within a range that does not completely deviate on 31) (32).

In the mounting using Figures 1 to 5, where, the locking device manufactured by the present invention, as shown in Figure 1, while the main body 10 and the connecting cover 20 and the coupling means 30 are all assembled The key cylinder 1 is packaged in a box unit separately separated.

First, the through-hole having the same diameter as the key cylinder 1 is formed at the position where the key cylinder 1 is to be inserted in the position to be installed on the door D so that the locking device and the key cylinder 1 are mutually secured on the door D. Tighten and ready to mount. Subsequently, the lever 12 attached to the main body 10 is removed as shown in FIG. 5, so that the fastening bolt 35 is retracted within a range in which the fastening bolt 35 is not separated from the fastening grooves 31 and 32. That is, when the fastening bolt 35 is completely separated from the fastening grooves 31 and 32, there is a problem that it leaks to the outside and has to be inserted into the fastening grooves 31 and 32 again. Of course, as shown, the fastening bolt 35 may be completely separated from the fastening grooves 31 and 32.

Subsequently, the key cylinder 1 is inserted into the previously formed through hole outside the door D, and at the same time, the guide protrusion 21 of the connection cover 20 assembled to the main body 10 is inserted into the door D. Insert into the inner hole. At this time, the guide protrusion 21 of the connection cover 20 is inserted into the coupling hole 1a of the key cylinder 1 to make the temporary coupling state. On the other hand, the key cylinder 1 is first inserted into the outer side of the door D, and then the main body 10 is inserted into the inner side of the door D so as to make it into a temporary engagement state. However, in order to insert the guide protrusion 21 of the connection cover 20 into the coupling hole 1a of the key cylinder 1 more quickly and accurately, it is preferable to combine by the former method. At this time, the fastening bolt 35 is automatically retracted in this process by the key cylinder 1 without retracting the fastening bolt 35 on the fastening grooves 31 and 32 in the above-described process.

Subsequently, the fastening bolt 35 is fastened to the coupling hole 1a of the key cylinder 1 by using a screwdriver to be completely mounted about the door D. At this time, when tightening the fastening bolt 35 onto the coupling hole (1a) of the key cylinder 1, the head of the fastening bolt 35 is caught on the fastening groove 32, the key cylinder (1) Is pressed on the outside of the door (D), the main body 10 is pressed on the inside of the door (D) is firmly mounted. Subsequently, when the mounting of the locking device and the key cylinder 1 on the door D is completed, the lever 12 removed in the initial process is attached again to complete the mounting.

As described above, the present invention maintains the main body, the connection cover and the coupling means in an assembled state, thereby improving workability and convenience without spoiling the aesthetics of the door according to the mounting, and greatly reducing the installation time, and greatly simplifying the cost by simplifying parts. It is easy to maintain and manage while saving, and the simplification of manufacturing improves the assembly and increases the overall productivity.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention as defined by the appended claims. It is therefore intended that such variations and modifications fall within the scope of the appended claims.

1: key cylinder 1a: coupling hole
10: body 10a protrusion
11: locking unit 12: lever
12a: groove 20: connection cover
21: guide protrusion 25: hinge hole
30: coupling means 31, 32: fastening hole
35: Fastening bolt D: Door

Claims (3)

In the locking device coupled to the key cylinder (1) for locking and unlocking the door (D):
A main body (10) having a locking unit (11) operating in association with the key cylinder (1), and having a lever (12) which is detachable and attachable while being engaged with the locking unit (11);
A connection cover 20 integrally coupled to the inner side of the main body 10 and having a guide protrusion 21 to be engaged with the key cylinder 1 on one surface thereof; And
Fastening holes 31 and 32 are provided on the main body 10 and the connection cover 20, respectively, and the fastening bolts 35 pass through the fastening holes 31 and 32 to be fastened to the key cylinder 1. Locking device for an easy mounting, characterized in that comprises a; coupling means having a) (30). The method of claim 1,
The main body (10) and the lever (12) is provided with a protrusion (10a) and the groove portion (12a) on each side of each other in close contact with each other to propose a range of rotation easy lock. The method of claim 1,
The coupling means 30 is engaged with the key cylinder 1 and the main body 10 in engagement with the door D, and the fastening groove 31 in the state in which the lever 12 of the main body 10 is detached. 32) Locking device for easy mounting, characterized in that the fastening bolt 35 is inserted into the key cylinder (1) completely.

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