KR101117517B1 - Door lock device having '?'-shaped component - Google Patents

Abstract

The present invention relates to a door lock device having a 'c' shape, according to an aspect of the present invention the overall shape is made of 'c' shape, the outer surface is a door lock formed to be in close contact with the 'c' shaped groove of the swing door frame; It is inserted into the door lock frame and formed to size to fill the 'c'-shaped groove of the swing door together with the door lock frame, and protrudes on one side of the front side to be elastically supported and retractable, so that the door is locked and unlocked. A door lock body having a handle coupling part configured to adjust a degree of insertion of the locking piece at one side of the left and right sides; And a handle coupled to the handle coupling portion; is provided with a door lock device having a 'c' shape comprising a.

Door lock frame, door lock body, guide protrusion, guide groove

Description

Door lock device having 'ㄷ' shape {Door lock device having 'ㄷ' -shaped component}

The present invention relates to a door lock device, and more particularly, to be used in a swing-type door, a door lock having a 'c' shape is easy to assemble and easy to replace in combining the door lock device having a 'c' shape to the swing door. Relates to a device.

The conventional door lock device used for the swing door is fixedly coupled to the swing door so that the swing door can be locked and fixed in the door frame.

Swing doors are hinged so that one edge is rotatable to the door frame, and the door is opened and closed according to the swing of the door. The door lock device is fixedly coupled to the center of the end portion of the door in the opening direction, and the locking piece of the door lock device can be locked to the groove formed in the door frame to lock or open the door.

Most of the door lock device is coupled to the swing door in the form inserted into the interior of the swing door, only the handle and the engaging piece is exposed to the outside. Typically, the locking piece is elastically supported so that the protruding state from the corner end of the swinging door is maintained in a state where no external force is given, and when the handle provided in the door lock device is rotated, the locking piece protruding in the door frame direction is introduced into the door lock device. At this time, the door is in a state that can be opened apart from the door frame. When the door is located on the door frame and the external force applied to the handle is removed, the locking piece is inserted back into the groove formed in the door frame and the door is fixed to the door frame to be closed.

In order for the door lock device to be coupled to the swing door, the following process is generally performed. First, a hole is formed at a position where the door lock device can be inserted in the swing door. Since the handle should protrude in the direction perpendicular to the face of the swing door and the engaging piece should protrude in the corner direction, a hole should be formed to penetrate in three directions at the end of the swing door. In addition, in order to couple the door lock device to the swing door, the removal of a handle or the like taking up a large volume must be preceded. After inserting the body portion of the door lock device through a hole formed in the swing door, the locking piece is fixed to a suitable position, and then by combining the handle and the like to fix the door lock device to the swing door.

As described above, the hole formed in the swing door is not only formed in the direction perpendicular to the surface of the swing door but also has to be formed in three directions in consideration of the protrusion of the locking piece. .

In addition, the body part is first coupled to the sliding door in the state that the handle is completely separated, and then the coupling work is cumbersome because the handle must be coupled. This is also the case when the door lock device needs to be replaced so that the door lock device can be removed.

The present invention has been made to solve the problems described above, an embodiment of the present invention provides a door lock device that can structurally improve the discomfort associated with coupling the existing door lock device to the swing door It is related to making the assembly easy and quick work.

One preferred embodiment of the present invention is the overall shape is made of 'c' shape, the outer surface is a door lock frame formed to be in close contact with the 'c' shaped groove of the swing door; It is inserted into the door lock frame and formed to size to fill the 'c'-shaped groove of the swing door together with the door lock frame, and protrudes on one side of the front side to be elastically supported and retractable, so that the door is locked and unlocked. A door lock body having a handle coupling part configured to adjust a degree of insertion of the locking piece at one side of the left and right sides; And a handle coupled to the handle coupling portion; is provided with a door lock device having a 'c' shape comprising a.

According to an embodiment of the present invention as described above, first, when the door lock device is coupled to the swing door to be coupled to the 'c'-shaped groove of the swing door, there is no need to form a hole difficult to work on the swing door coupling operation It is easy and quick to combine.

Second, when the door lock frame is coupled to the swing door, the remaining configuration of the door lock device can be coupled to the door lock frame in a combined state is simple, so the coupling operation is simple.

Third, in the combination of the door lock frame and the door lock body, it is possible to secure a solid even without a separate configuration by engaging the engaging projection is operated by the elastic force is easy to engage and separate.

Fourth, by using a combination of the door lock cover and the door lock cover made to cover the door lock body can be applied to a swing door of which thickness is not constant, it is possible to provide a door lock device that is beautiful in appearance and more solid coupling.

1 is an exploded perspective view showing a door lock device having a '' shape according to an embodiment of the present invention.

Door lock device having a 'c' shape according to a preferred embodiment of the present invention (1) the overall shape is made of 'c' shape, the outer surface is the 'c' shaped groove 110 of the swinging door (100) Door lock frame 10 is formed to be in close contact; The door lock frame 10 is inserted into the door lock frame 10 and formed to have a size to fill the 'c'-shaped groove 110 of the door 100, and protrudes on the side to be elastically supported and retractable. A locking piece 22 is provided to lock and unlock the door 100, and a door lock having a handle coupling part 23 that adjusts the degree of intake of the locking piece 22 on one side of the left and right sides. Body 20; And a handle 30 coupled to the handle coupling part 23.

Door lock device having a '' 'shape of the present invention is used in combination with a conventional swing door. The swing door to which the door lock device (1) having the '' form of the present invention is coupled, the 'c' groove should be formed, and thus, when the door lock device (1) having the 'c' shape is combined, the ordinary swing door (100) ) To form a 'c'-shaped groove 110 first to be coupled, or from the beginning' c'-shaped groove 110 can be coupled to the swing door 100 is formed.

For the sake of clarity, the door 100 and the door lock device 1 having a 'C' shape of the present invention will be described with reference to the following directions.

The swing door 100 formed with the 'c'-shaped groove 110 is the rear edge of the end hinged to the door frame' rear ', and the opposite corner direction' front '. Therefore, the 'c'-shaped groove 110 formed in the door 100 is formed so that the opening direction is toward the front. The direction of the door lock frame 10 and the door lock body 20 is also based on this.

The door lock frame 10 is made of a 'c' shape of the overall shape is tightly coupled to the 'c'-shaped groove 110 of the sliding door 100. That is, the rear of the door lock frame 10 is coupled to the swing door 100 to face the '' 'groove 110 of the swing door 100. Since the door lock frame 10 is coupled to the 'c'-shaped groove 110 of the swing door 100 to fit snugly, the end of the door lock frame 10 is to match the front end of the swing door 100. . However, as will be described later, when the front cover 40 is coupled to the front of the door lock body 20 in consideration of this is coupled in the form slightly more than the front end of the sliding door 100.

As shown in Figure 1, the door lock frame 10 is formed with a through hole of a small size as a whole, which is formed to couple the door lock frame 10 to the swing door 100. Nails, bolts, screws, etc. may be coupled to the opening door 100 through the through-holes.

The door lock body 20 forms the body of the door lock device 1 having a '' 'shape of the present invention. The door lock body 20 is inserted into the door lock frame 10 is coupled to the door lock frame 10. The door lock body 20 is formed with the engaging piece 22 and the handle engaging portion 23, which is coupled to the engaging piece 22 and the handle provided in the door lock device (1) having a conventional 'C' shape. It works like part 23.

A side surface of the door lock body 20 is provided with a passage through which the locking piece 22 can protrude, and the locking piece 22 protrudes through the passage and is drawn into the door lock body 20. . The locking piece 22 is elastically supported in a state protruding from the side of the door lock body 20, when the external force is applied to the locking piece 22 to the rear of the door lock body 20, the door lock body 20 It is drawn inside. At this time, if the external force is removed, the locking piece 22 is restored to the initial state.

The handle coupling portion 23 is formed on the left and right sides of the door lock body 20 is coupled to be rotatable. The handle engaging portion 23 is also elastically supported so as to recover to the initial state by removing the external force after rotating in one direction by applying a force. The handle coupling part 23 is connected to the locking piece 22, and when the handle coupling part 23 is rotated, the locking piece 22 is connected to each other so that the locking piece 22 can be inserted into the door lock body 20. do.

The handle 30 is coupled to the handle coupling portion 23, by using the handle 30 can rotate the handle coupling portion 23.

The handle 30 may be coupled to the door lock frame 10 in a state of being integrally coupled with the door lock body 20, when the door lock frame 10 is coupled to the opening door 100, the guide The protrusion 11 and the guide groove 21 are engaged with each other so that the door lock device 1 having the '' shape of the present invention can be easily coupled.

In the door lock device 1 having a 'c' shape according to a preferred embodiment of the present invention, the inner surface of the door lock frame is formed with a guide protrusion protruding in the vertical direction, the surface in contact with the door lock frame in the door lock body The guide groove is formed to be coupled to the guide protrusion is inserted.

The guide protrusion 11 is formed on an inner side surface of the door lock frame 10. The guide protrusion 11 is inserted into the guide groove 21 to allow the door lock frame 10 and the door lock body 20 to be coupled to each other. Ultimately, the guide protrusion 11 is used as a means for preventing the departure in the lateral direction in the state that the door lock body 20 is inserted into the door lock frame 10. The guide protrusion 11 is formed long in the front and rear direction on the inner surface of the door lock frame 10. The guide protrusion 11 may be continuously formed along the longitudinal direction of the door lock frame 10, and alternatively, may be formed intermittently.

The guide protrusions 11 may be formed in a line as shown in FIG. 1, but may be formed in two or more rows. In this case, the guide grooves 21 may also fit the number of the guide protrusions 11. Of course it must be formed. The size and number of the guide protrusions 11 and the guide grooves 21 may be variously changed and used according to the use of the door lock device of the present invention.

The guide groove 21 is formed in the door lock body 20, and the guide groove 21 is elongated in the front and rear directions of the upper and lower surfaces of the door lock body 20. In addition, when the guide protrusion 11 is formed on the rear inner surface of the door lock frame 10, the guide groove 21 is also formed on the rear surface of the door lock body 20.

Figure 2 (a), Figure 2 (b), Figure 2 (c) is a partially enlarged perspective view of the door lock frame constituting the door lock device having a 'c' shape according to another embodiment of the present invention, partial enlargement of the door lock body A perspective view and a cross-sectional view showing a coupled state of the door lock frame and the door lock body.

In the door lock device 1 having a 'c' shape according to a preferred embodiment of the present invention, the door lock frame 10, when the door lock body 20 is completely inserted into the door lock frame 10 to the front The locking protrusion 12 is formed to prevent the departure, and the locking groove 24 is formed in the door lock body 20 is inserted into the locking projection 12.

In addition, in the door lock device 1 having a '' shape according to a preferred embodiment of the present invention, the locking projection 12 is formed in front of the guide projection 11, the guide projection 11 in accordance with the elastic force It is made to protrude more than), the engaging groove 24 is formed in front of the guide groove 21, it is made deeper than the guide groove (21).

The locking projection 12 is a means for preventing the departure of the door lock body 20 in the opposite direction to the coupling direction, that is, forward when the door lock body 10 is fully coupled. The locking protrusion 12 is inserted and accommodated in the locking groove 24, whereby the door lock body 20 may be coupled to the door lock frame 10 in a fixed form, and prevents unintentional detachment. can do. The locking protrusion 12 and the locking groove 24 will be described in more detail as follows.

In the door lock device 1 having a 'c' shape according to a preferred embodiment of the present invention, the end of the door lock frame 10, the locking projection 12 made to protrude more than the guide protrusion 11 according to the elastic force ) Is formed, and a locking groove 24 formed deeper than the guide groove 21 is formed at a position corresponding to the locking protrusion 12 of the door lock body 20.

The locking protrusion 12 is formed at an end of the door lock frame 10. The locking protrusion 12 may be formed as an elastic body as shown in FIG. 2 (a). Alternatively, a separate elastic member such as an elastic spring is added, and the elastic protrusion is elastically operated by the elastic member. It may be.

Looking at the locking projections 12 formed in Figure 2 (a), the locking projections 12 are formed like a plate-like spring, more than the height of the guide projections 11 in the state that no external force is applied. It is made to stay in a high position, and pressing the locking projection 12 is made to be located at the same height as the guide projection (11).

The locking groove 24 is formed at the front end of the guide groove 21, and is formed deeper than the depth of the guide groove 21. Therefore, a jaw is formed at the point where the guide groove 21 and the locking groove 24 are connected, and the locking projection 12 is locked by the jaw.

The locking protrusion 12 is moved to the front of the door lock body 20 along the guide groove 21 when the door lock frame 10 and the door lock body 20 are coupled. At the point where the coupling is almost completed, the locking protrusion 12 is inserted into the locking groove 24 to be seated, thereby limiting the movement in the opposite direction to the coupling direction.

When the door lock body 20 is separated from the door lock frame 10, the locking protrusion 12 is pressed so that the locking protrusion 12 is released from the jaw formed by the locking groove 24. They can be separated from each other by moving in the opposite direction to the negative coupling direction.

By forming the locking protrusions 12 and the locking grooves 24, the door lock body 20 may be easily fixed to the door lock frame 10, and the separation may be prevented.

Figure 3 (a) is an exploded perspective view showing a door lock device having a 'c' shape according to another embodiment of the present invention, Figure 3 (b) has a 'c' shape shown in Figure 3 (a) Side view showing the combined state of the door lock device.

The door lock device 1 having a 'c' shape according to a preferred embodiment of the present invention further includes a front cover 40 formed to cover the front end surface of the door lock body 20.

3 (a) shows a state before the front cover 40 is coupled to the door lock body 20.

The front cover 40 is made to cover both the front surface of the door lock body 20 and the front end of the door lock frame 10. The center of the front cover 40 is formed with a groove into which the engaging piece 22 can be inserted, and a plurality of through holes are formed. The through hole is for fastening bolts, screws, etc. when the front cover 40 is coupled to the door lock body 20. Therefore, the through hole of the same shape is formed in the front surface of the door lock body 20 at a position corresponding to the through hole.

By combining the front cover 40, the door lock device (1) having the '' 'shape of the present invention can be more firmly coupled to the swing door (100), only the outer surface of the front cover (40) It can be exposed to the outside to provide a neat appearance.

Figure 4 (a) is an exploded perspective view showing a door lock device having a '' shape according to another embodiment of the present invention, Figure 4 (b) has a '' shape shown in Figure 4 (a) It is sectional drawing which shows the engagement state of a door lock apparatus.

Door lock device having a '' shape according to a preferred embodiment of the present invention 1 is formed to surround the door lock frame 10 and the door lock body 20 and is formed to be in close contact with the opening door 100, The door lock cover 50 is further included to prevent the door lock frame 10 and the door lock body 20 from being exposed when coupled to the swing door 100.

In addition, in the door lock device 1 having a '' 'shape according to a preferred embodiment of the present invention, the door lock cover 50 is divided into two and provided in a pair.

The door lock cover 50 is provided in a pair, made of a symmetrical or asymmetrical form each other. When asymmetrically formed, only the shape of the portion covering the side of the door lock body 20 is formed asymmetrically, the portion covering the front portion is preferably formed symmetrically.

The door lock cover 50 is formed to cover the left and right sides, the front surface of the door lock frame 10 and the door lock body 20. Hereinafter, the door lock cover 50 covering the left side direction of the door lock cover 50 will be described, and the remaining door lock cover 50 is formed in the opposite direction.

A substantial portion of the door lock cover 50 is formed wide to cover the left side portion of the door lock body 20, and is formed in a form bent from the front end to the right to cover the front portion of the door lock body 20. Near the center of the door lock body 20, a hole is formed so as not to interfere with the handle coupling portion 23 and the handle 30 is mutually coupled, this hole corresponds to the handle coupling hole 51. A plurality of through holes are formed around the handle coupling hole 51, and the door lock cover 50 and the door lock body 20 may be coupled to each other by using bolts or screws inserted into the through holes.

The front of the door lock cover 50 is formed with a cut portion 52 cut in the '' 'shape, ensuring the movement of the locking piece (22).

When the door lock cover 50 is coupled to the opening door 100, only the handle 30 and the catching piece 22 are exposed to the outside, and the outer shape of the door lock device 1 having a 'ㄷ' shape of the present invention. Achieve. The door lock cover 50 serves as a cover of the door lock device 1 having a '' shape of the present invention, to prevent foreign matter from penetrating into the device, and to prevent damage by other external forces. By the door lock cover 50, the door lock device (1) having the '' 'shape of the present invention can be more firmly coupled to the swing door (100).

Figure 5 (a) is an exploded perspective view showing a door lock device having a '' shape according to another embodiment of the present invention, Figure 5 (b) has a '' shape shown in Figure 5 (a) It is sectional drawing which shows the engagement state of a door lock apparatus.

Door lock device having a '' 'shape according to a preferred embodiment of the present invention is placed between the door lock body 20 and the door lock cover 50 and the door lock body 20 and the door lock cover 50 and The thickness control plate 60 is in close contact is made.

The thickness control plate 60 has a through hole formed at the center thereof, and the center thereof is coupled at a position coinciding with the center of the handle coupling hole 51. Therefore, the handle coupling portion 23 and the handle 30 are coupled to each other with the door lock cover 50 and the thickness control plate 60 therebetween.

The opening door 100 may be made so that the thickness thereof matches the thickness of the door lock frame 10 and the door lock body 20, but may be made thicker than that. In this case, a more stable coupling may be achieved by allowing the thickness control plate 60 having a thickness corresponding to the difference in thickness to be disposed between the door lock body 20 and the door lock cover 50. The thickness control plate 60 is made of an elastic material such as rubber, it is possible to be in close contact with the door lock body 20 and the door lock cover 50.

In the door lock device 1 having a 'c' shape according to a preferred embodiment of the present invention, the first coupling hole 25 is formed in the front end surface of the door lock body 20, the door lock cover 50 The second coupling hole 53 is formed at a position corresponding to the first coupling hole 25, and at least one of the first coupling hole 25 and the second coupling hole 53 is formed to be formed to the left and the right side. .

The first coupling hole 25 and the second coupling hole 53 is configured to allow the door lock body 20 and the door lock cover 50 to be more firmly coupled. The door lock body 20 and the door lock cover 50 may be coupled to each other by coupling bolts and screws through the first coupling hole 25 and the second coupling hole 53.

As described above, the thickness of the opening door 100 may be made different from the thickness of the door lock body 20, the first coupling hole 25 and the second coupling hole 53 is formed long left and right It can be applied to the swing door 100 having a variety of thickness without difficulty.

6 is a view showing the door lock body 20 used in the door lock device having a '' shape according to another embodiment of the present invention.

Door lock device having a '' 'shape according to a preferred embodiment of the present invention is coupled to the inside of the door lock body 20 is provided with at least one or more fittings 26 to be slidable to the left and right, A third coupling hole 26a is formed in the front side of the coupling sphere 26, and the third coupling hole 26a is made to be exposed from the side of the door lock body 20, and the door lock cover 50 The fourth coupling hole 53 is formed at a position corresponding to the third coupling hole 26a.

The third coupling hole 26a is configured to correspond to the first coupling hole 25, and the fourth coupling hole 53 is configured to correspond to the second coupling hole 53.

The coupler 26 is coupled to the inside of the door lock body 20, and is coupled to the front end of the door lock body 20 so that the third coupling hole 26a is exposed from the side of the door lock body 20. . The coupler 26 is configured to be slidable left and right so that the third coupling hole 26a is movable from the front of the door lock body 20 to the left and right. The coupler 26 is made to move only in the left and right direction inside the door lock body 20, and is made to be unable to move in the front and rear, up and down direction. That is, the space occupied by the coupler 26 in the door lock body 20 is formed to fit snugly to the coupler 26 except for the left and right directions. The coupler 26 has a constant cross-section viewed from the left and right sides, the space inside the door lock body 20 in which the coupler 26 is located is also made the same, the coupler 26 It is possible to slide left and right. In FIG. 6, the coupler 26 is illustrated in the form of a block. Alternatively, the coupler 26 may be formed in various shapes such as a cylindrical shape and a prismatic shape.

The position of the third coupling hole 26a may be adjusted by moving the coupler 26 in the left and right directions. On the side of the door lock body 20, as shown in Figure 6 is formed with a cutout formed long left and right so that the third coupling hole (26a) is exposed to the outside.

As described above, the fourth coupling hole 53 has a configuration corresponding to the second coupling hole 53, and may be formed in substantially the same form as the second coupling hole 53. However, the fourth coupling hole 53 does not need to be formed long to the left or right, and may have a circular shape.

By using the third coupling hole (26a) and the fourth coupling hole (53) formed in the coupling hole (26) the door lock device (1) having a 'C' shape of the present invention the swing door having various thicknesses ( 100) can be easily coupled.

Figure 7 is an exploded perspective view showing a door lock device having a '' 'shape according to another embodiment of the present invention.

The door lock device 1 having a 'c' shape according to a preferred embodiment of the present invention further includes a cover finish plate 70 formed to cover a part of the outer surface of the door lock cover 50.

The cover finish plate 70 is formed so that the through hole is formed in the center so that the handle coupling portion 23 and the handle 30 are not disturbed.

As described above, the handle lock hole 51 is formed in the door lock cover 50, and a plurality of through holes are formed around the handle coupling hole 51. The cover finish plate 70 is made of a size or more that can cover the through hole. When the through-hole is exposed to the outside as it is, it may act as a factor to deteriorate the appearance of the door lock device 1 having the '' 'shape of the present invention, the cover finish plate 70 prevents this' c' The door lock device 1 having a shape can have a luxurious appearance.

The handle coupling portion 23 may be formed to protrude in the shape of a prismatic pillar. In this case, a screw thread is formed at the edge of the handle coupling part 23, and a screw thread corresponding to the through hole of the cover closing plate 70 is formed, so that the cover closing plate 70 is the handle coupling part 23. ) Can be screwed, and easy coupling is possible.

1 is an exploded perspective view showing a door lock device having a '' shape according to an embodiment of the present invention,

Figure 2 (a), Figure 2 (b), Figure 2 (c) is a partially enlarged perspective view of the door lock frame constituting the door lock device having a 'c' shape according to another embodiment of the present invention, partial enlargement of the door lock body A perspective view and a cross-sectional view showing a state of engagement of the door lock frame and the door lock body,

Figure 3 (a) is an exploded perspective view showing a door lock device having a 'c' shape according to another embodiment of the present invention, Figure 3 (b) has a 'c' shape shown in Figure 3 (a) Side view showing the combined state of the door lock device,

Figure 4 (a) is an exploded perspective view showing a door lock device having a '' shape according to another embodiment of the present invention, Figure 4 (b) has a '' shape shown in Figure 4 (a) Cross-sectional view showing the engagement state of the door lock device,

Figure 5 (a) is an exploded perspective view showing a door lock device having a '' shape according to another embodiment of the present invention, Figure 5 (b) has a '' shape shown in Figure 5 (a) Cross-sectional view showing the engagement state of the door lock device,

6 is a view showing the door lock body 20 used in the door lock device having a '' shape according to another embodiment of the present invention,

Figure 7 is an exploded perspective view showing a door lock device having a '' 'shape according to another embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

1: door lock device having the shape of 'ㄷ' 10: door lock frame

11: Guide protrusion 12: Jamming protrusion

20: door lock body 21: guide groove

22: engaging piece 23: handle coupling portion

24; Hanging groove 25: the first coupling hole

30: handle 40: front cover

50: door lock cover 51: handle coupling hole

52: incision 53: second coupling hole, fourth coupling hole

60: thickness control plate 70: cover finish plate

100: opening door 110: 'ㄷ' home

Claims (10)

The overall shape is made of 'c' shape, the outer surface is a door lock frame formed to be in close contact with the 'c' shaped groove of the swing door; The door lock frame is inserted into the door lock frame and formed to have a size to fill the 'c' groove of the swing door, and protrudes on one side so as to be elastically supported and retractable so that the door can be locked and unlocked. One side is provided, the left and right sides of the door lock body formed with a handle engaging portion to adjust the degree of inlet of the engaging piece; And A handle coupled to the handle coupling part; The inner surface of the door lock frame is formed with a guide protrusion protruding in the vertical direction, The door lock device having a 'c' shape, characterized in that the guide groove is formed on the surface of the door lock body in contact with the door lock frame is formed to be coupled to the guide projection. delete The method of claim 1, The door lock frame is provided with a locking projection made to prevent the departure to the front when the door lock body is fully inserted into the door lock frame, The door lock body has a door lock device having a '' shape, characterized in that the locking groove is formed so that the locking projection is inserted. The method of claim 3, wherein The locking projection is formed in front of the guide projection, is made to protrude more than the guide projection according to the elastic force, The locking groove is formed in front of the guide groove, the door lock device having a 'c' shape, characterized in that made deeper than the guide groove. The method of claim 1, Door lock device having a 'c' shape characterized in that it further comprises a front cover formed to cover the side of the door lock body. The method of claim 1, It is made to surround the door lock frame and the door lock body and is formed to be in close contact with the swing door, the door lock cover and the door lock body to prevent the exposure when the door lock frame and the body when coupled to the swing door further comprises 'Shaped door lock device. The method of claim 6, The door lock cover is divided into two door lock device having a '' shape, characterized in that provided in a pair. The method of claim 7, wherein The door lock device having a 'c' shape, which is disposed between the door lock body and the door lock cover and is further included in close contact with the door lock body and the door lock cover. The method of claim 7, wherein A first coupling hole is formed at the side of the door lock body, and the second locking hole is formed at a position corresponding to the first coupling hole in the door lock cover. At least one or more of the first coupling hole and the second coupling hole is a door lock device having a '' shape, characterized in that is formed long left and right. The method of claim 7, wherein Is coupled to the inside of the door lock body is provided at least one or more couplings made to be slid left and right, the side of the coupling is provided with a third coupling hole, The third coupling hole is made to be exposed from the side of the door lock body, The door lock cover has a 'c' shape door lock device, characterized in that the fourth coupling hole is formed at a position corresponding to the third coupling hole.

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