KR200363713Y1 - Door Lock for Preventing Droop and Detachment of Door Knob - Google Patents

Abstract

The present invention relates to a door lock for preventing sag and release of the door handle.

The present invention, an outer operation unit attached to the outside of the door, the inner operation unit attached to the inside of the door, a mortise for opening and closing the door, a shaft for operating the latch bolt in the mortise, in combination with the shaft to rotate the shaft In the door lock including an outer handle provided on the outer operation portion and the inner handle provided on the inner operation portion as a door handle to the left, the handle engaging portion 410 of the outer operation portion 110 is left-circular arc long hole 416a And excellent arc long hole 416b is provided, the outer handle 130 is provided with a handle projection 402 inserted into any one of the left arc long hole 416a and the excellent arc long hole 416b. A handle stopper 430 is mounted on an inner surface of the outer operation unit 110, and a switch provided on the outer operation unit between the outer operation unit 110 and the handle stopper 430. A door lock for preventing sagging and falling out of the door handle, characterized in that the stopper spring 420 operated by the ring fixing piece 506 and the spring operating piece 434 provided on the handle stopper 430 is mounted. to provide.

Description

Door Lock for Preventing Droop and Detachment of Door Knob

The present invention relates to a door lock for preventing the door handle from sagging and falling out. More specifically, it is possible to increase the restoring force of the stopper spring for returning the door handle to prevent the door handle from sagging, and to prevent the door handle from being removed from the shaft. It relates to a door lock for preventing the sag and pull out of the door handle to prevent.

Door handles used for door locks are provided inside and outside the door, respectively. In some cases, the handle inside the door and the handle outside the door may be configured to move separately, but in some cases, the handle may be connected to one shaft and interlocked. When the door outer handle and the inner handle of the door lock are connected together by a shaft, these handles are combined as shown in FIGS. 1 and 2.

1 is a view showing a state in which the outer handle and the inner handle of the door is coupled to the door lock in the conventional door lock, Figure 2 is a combination of the outer handle and the inner handle and the shaft of the door in the conventional door lock It is a perspective view which shows a state.

The conventional door lock includes an outer operation unit 110 attached to the outside of the door 100 and an inner operation unit 120 attached to the inside of the door 100, and a dead bolt (162) inside the door 100. And a Mortis (160) including a latch bolt (164) is inserted. Typically, the outer operation unit 110 is configured to be able to enter a key to open the door lock, such a key input means, in addition to the usual mechanical keys to enter a password, a radio frequency identification (RFID) card , Magnetic cards, iris or fingerprint recognition. On the other hand, the inner operation unit 120 includes a power supply device, including an authentication device for authenticating the legitimacy of the key input device of the door lock.

The latch bolt 164 is projected by the outer handle 130 and the inner handle 140 provided on the outside and the inside of the door lock, and the outer handle 130 and the inner handle 140 are the shaft 150. Connected by means of rotation is possible.

Referring to Figure 2 will be described in detail the coupling of the inner handle and outer handle and shaft.

The outer handle 130 and the inner handle 140 have cylindrical connecting rods 200 and 210 and cylindrical insertion rods 202 and 212 smaller than the diameters of the connecting rods 200 and 210, respectively, and the connecting rods 200 and 210. A portion of and the insertion rods (202, 212) are inserted into the outer operation portion 110 and the inner operation portion 120, respectively.

One end of the shaft 150 is fixed to the outer handle 130 by coupling the fixing member to the shaft outer fixing hole 204. Since the outer handle 130 is exposed to the outside of the door 100, the shaft outer fixing hole 204 is external to prevent others from invading the inside after separating the outer handle 130 and the shaft 150 from the outside. The insertion rod 202 of the handle 130 is located. The other end of the shaft 150 is received in the shaft receiving portion 214 of the inner handle 140. The cross section of the shaft 150 may have a polygonal shape and may be generally quadrangular. A portion of the shaft 150 accommodated in the shaft accommodating portion 214 may be provided with a fixing rod 206 formed in a center and separated at both sides.

After inserting the shaft 150 into the shaft accommodating portion 214, the handle fixing screw 218 is engaged with the shaft fixing hole 216 formed on the outer circumferential surface of the connecting rod 210 to terminate the handle fixing screw 218. The outer handle by allowing it to be coupled to the fixed rod 206 of the shaft 150

Fix 140 to the shaft 150.

On the other hand, by rotating the outer handle 130 or the inner handle 140 to move the latch bolt 164 into the mortis 160 and open the door 100 after the outer handle 130 connected to the shaft 150 And the inner handle 140 should return to its original position. Typically, a spring device is used to return the outer handle 130 and the inner handle 140. The conventional structure for the return of the outer handle 130 and the inner handle 140 in the home position is as follows.

3A is a view showing a state of a handle stopper and a stopper spring in a state where the door handle is not rotated in the conventional door lock, and FIG. 3B is a handle stopper and a stopper in a state where the door handle is rotated in the conventional door lock. It is a figure which shows the state of a spring.

As described above, the door handle 300 represents one of the outer handle 130 and the inner handle 140, and the door lock body 302 is one of the outer operation unit 110 and the inner operation unit 120. The body is shown. The door handle 300 is inserted into the door lock body 302 and the shaft 150 coupled to the door handle 300 passes through the shaft through hole 312 provided at the center of the handle stopper 310. Spring support protrusions 304a and 304b are provided on the inner surface of the door lock body 302. The spring supporting protrusions 304a and 304b are provided with spring actuating rods 308a and 308b of the stopper spring 306 made of coil springs as shown in FIG. 3A. The handle stopper 310 is coupled to an upper portion of the stopper spring 306, and the handle stopper 310 is provided with spring actuating protrusions 314a and 314b.

On the other hand, the door handle 300 is coupled to the door lock body 302 in the left or right type according to the direction in which the door 100 is mounted to the door frame, the hinge is viewed from the outside of the door 100 The case is located on the left side is left-handed type and the hinge is located on the right side of the door 100 is an excellent type.

Since the handle stopper 310 is supported by the stopper spring 306 in the state in which the door handle 300 is mounted, the door handle 300 maintains the initial engagement state. Door handle

When the force is applied to 300 and rotated as shown in FIG. 3B, the spring actuating protrusion 314a provided in the handle stopper 310 pushes the spring actuating rod 308a. On the other hand, the other spring actuating rod 308b is supported by the spring supporting protrusion 304b. When the force applied to the door handle 300 is removed, the door handle 300 is returned to the original position of FIG. 3A by the restoring force of the stopper spring 306.

However, such a conventional configuration has the following problems.

First, the assembly tolerances generated in the process of mounting the door lock and the door lock body 302, the stopper spring 306, the stopper spring 306, and the handle stopper by the assembly tolerances.

(310), because the forming tolerance of the handle stopper 310 and the shaft 150, the shaft 150 and the door handle 300 is made in one direction, a problem of handle deflection occurred, and also, due to long-term use Due to the weakening of the stopper spring 306, there was a problem that the door handle 300 is knocked down.

Meanwhile, as shown in FIG. 2, grooves of the fixing rod 206 for coupling the inner handle 140 and the shaft 150 are uniformly formed, and thus the handle fixing screw according to long-term use.

As the end of 218 slides along the groove of the fixing rod 206, a problem arises in which the inner handle 140 is pulled out of the shaft 150.

SUMMARY OF THE INVENTION In order to solve the above problems, an object of the present invention is to provide a door lock including a shaft having a fixing rod for preventing sagging of the door handle and preventing the door handle from falling out of the shaft.

1 is a view showing a state in which the outer handle and the inner handle of the door is coupled to the door lock in the conventional door lock,

Figure 2 is a perspective view showing the engagement state of the outer handle and the inner handle and the shaft of the door in the conventional door lock,

3A is a view showing a state of a handle stopper and a stopper spring in a state in which the door handle is not rotated in the conventional door lock;

3B is a view showing a state of a handle stopper and a stopper spring in a state where the door handle is rotated in the conventional door lock;

Figure 4 is an exploded perspective view for explaining the configuration of the door lock for preventing the sag and pull out of the door handle according to an embodiment of the present invention,

5 is a perspective view showing the configuration of the inner surface of the outer operation portion in the door lock for sagging and falling out of the door handle according to an embodiment of the present invention,

6 is a view showing a perspective view of the handle stopper and a cross-sectional view in the A-A 'direction in the door lock for preventing sag and release of the door handle according to the preferred embodiment of the present invention;

FIG. 7 is a view illustrating a state in which a stopper spring and a handle stopper are mounted on an outer operation part in a door lock for preventing sag and release of a door handle according to a preferred embodiment of the present invention;

8 is a view illustrating a state in which the outer handle and the shaft assembly are mounted to the handle coupling portion in the door lock for preventing sag and release of the door handle according to the preferred embodiment of the present invention;

9 is a view showing a state in which the outer handle is inserted into the handle engaging portion of the outer operation portion and mounted in an excellent shape in the door lock for preventing sag and release of the door handle according to the preferred embodiment of the present invention;

10 is a view illustrating a state in which the outer handle is operated downward to operate the latch bolt in the door lock for preventing the door handle from sagging and falling out according to a preferred embodiment of the present invention;

FIG. 11 is a perspective view illustrating a shaft for preventing handle pull-out in a door lock for preventing sag and release of a door handle according to a preferred embodiment of the present invention; FIG.

12 is a view showing the cross-section of the B-B 'direction and the C-C' direction between the fixing in the door lock for preventing sag and release of the door handle according to an embodiment of the present invention.

<Description of Symbols for Main Parts of Drawings>

100: door 110: outer operation portion

120: inner operation portion 130: outer handle

140: inner handle 150: shaft

160: Mortis 164: latch bolt

200, 210: connecting rod 202, 212: insertion rod

204: shaft external fixing hole 206: fixed interval

214: shaft receiving portion 216: shaft internal fixing hole

218: handle fixing screw 300: door handle

306: stopper spring 310: handle stopper

402: handle projection 404: safety pin insertion hole

406: fixing groove 408: safety pin

410: handle coupling portion 412: insertion rod receiving port

416a: left arc for long hole 416b: arc for long hole

420: stopper spring 430: handle stopper

432: rotating plate 434: stopper operating piece

442: stopper fixing plate 502: stopper support cylinder

504: spring auxiliary support 506: spring fixing piece

508: Spindle Guide

In order to achieve the above object, the present invention, the outer operation unit attached to the outside of the door, the inner operation unit attached to the inside of the door, the mortise for opening and closing the door, the shaft for operating the latch bolt in the mortis, the shaft And a door handle for rotating the shaft in combination with an outer handle provided on the outer operation part and an inner handle provided on the inner operation part, wherein the outer handle 130 is connected to the outer operation part 110. The handle coupling portion 410 to be coupled to the insertion rod receiving port 412 is inserted into the insertion rod 202 formed at the end of the outer handle 130, the left formed on the lower left and right sides of the insertion rod receiving portion 412 A receiving arc long hole 416a and a rain arc long hole 416b are provided, and the outer handle 130 has any of the left arc arc long hole 416a and the rain arc long hole 416b. A handle protrusion 402 is inserted into the bottom, and the lower end of the insertion rod receiving port 412 of the inner side of the outer operation unit 110 is provided with a spring fixing piece 506 protruding, the outer operation unit 110 The handle stopper 430 which is provided with the disk-shaped rotating plate 432, the shaft passage hole 438 which the shaft 150 passes, and the spring operation piece 434 provided in the lower end of the shaft passage hole in the inner side surface of FIG. And a spring actuating rod mounted between the handle stopper 430 and the inner side surface of the outer operation part 110 and fixed by the spring fixing piece 506 and operated by the spring actuating piece 434. A stopper spring 420 having 422a and 422b is mounted to provide a door lock for preventing sag and falling of the door handle.

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

Figure 4 is an exploded perspective view for explaining the configuration of the door lock for preventing sag and pull out of the door handle according to an embodiment of the present invention.

The door lock according to the preferred embodiment of the present invention is coupled to the handle coupling portion 410 and the handle coupling portion 410 provided in the outer operation portion 110 or the inner operation portion 120 and the ends of the connecting rods 200 and 210. A handle (130, 140) having a handle protrusion (402), a shaft (150) connecting the outer handle (130) and the inner handle (140), and a stopper spring (420) and a handle stopper (430). And, it may further include a stopper fixing plate 442 for fixing the handle stopper 430.

Referring to Figure 4, the door lock for preventing the sag and pull out of the door handle according to an embodiment of the present invention in more detail. 4 is described with respect to the outer operation unit 110 and the outer handle 130, the rest of the configuration except the coupling method of the shaft 150 can be applied to the inner operation unit 120 and the inner handle 140 as it is. Of course.

The shaft 150 is inserted into the insertion rod 202 of the outer handle 130. The shaft 150 is provided with one or more fixing grooves 406. After the shaft 150 is inserted into the insertion rod 202, the handle fixing screw 218 is coupled to the shaft fixing hole 204, and the handle fixing screw 218 is inserted into the fixing groove 406, thereby providing a shaft ( 150 is coupled to the outer handle 130. On the other hand, the shaft is provided with one or more safety pin insertion hole 404 formed through the side. After the outer handle 130 is coupled to the outer operation unit 110, the safety pin 408 is inserted into the safety pin insertion hole 404 to prevent the outer handle 130 from being completely separated from the outer operation unit 110.

The combination of the outer handle 130 and the shaft 150 is coupled to the handle engaging portion 410 of the outer operation unit 110. The shaft 150 is coupled to the shaft through hole 438 provided in the handle stopper 430 as described below.

The handle engaging portion 410 is provided with the insertion rod receiving port 412 and the connecting rod seating portion 414, the left and right arc long hole 416a and the excellent arc long hole 416b for the left and right sides of the connecting rod seating portion 414 It is provided. The door lock can be divided into left and right types according to the direction in which the door handle is attached to the door 100. The left hand type refers to a form in which the door lock is attached to the right side of the door 100 when viewed from the outside of the door 100 and the hinge is attached to the left side of the door 100, and the superior type refers to a door lock when viewed from the outside of the door 100. The hinge may be attached to the left side of the door 100 and the hinge may be attached to the right side of the door 100. The handle protrusion 402 provided on the outer handle 130 is coupled to the left-handed circular long hole 416a and the excellent-circular arc long hole 416b. 416a) and the handle protrusion 402 is inserted into the arc-hole circular hole 416b for rain.

When the outer handle 130 is coupled to the handle engaging portion 410, the insertion rod 202 of the outer handle 130 is inserted into the insertion rod receiving port 412.

The stopper spring 420 is provided with spring operating rods 422a and 422b. The operation of the stopper spring 420 is performed by the spring operation piece 434 provided on the handle stopper 430 and the inner surface of the outer operation unit 130 to be described later. It is made by a spring fixing piece provided in.

The handle stopper 430 includes a disc-shaped rotating plate 432 and a spring operation piece 434 and a female receiving portion 436 provided at the bottom of one surface of the rotating plate 432, and a male protrusion 440 provided at the other surface. Included. Meanwhile, the stopper fixing plate 442 may be further provided to prevent the handle stopper 430 from being separated from the outer operation unit 130. The central portion of the stopper fixing plate 442 is provided with a male protrusion insertion portion 444 through which the male protrusion 440 of the handle stopper 430 passes, and a fixing screw through which the fixing plate fixing screws 448a, 448b, 448c, and 448d pass. Through holes 446a, 446b, 446c, and 446d are provided.

In order to explain the configuration in which the stopper spring 420, the handle stopper 430, and the stopper fixing plate 442 are coupled to the outer operation part, the configuration of the inner surface of the outer operation part 130 and the configuration of the handle stopper 430 will be described in more detail. Do it.

5 is a perspective view showing the configuration of the inner surface of the outer operation portion in the door lock for sagging and falling out of the door handle according to a preferred embodiment of the present invention, Figure 6 is a door according to a preferred embodiment of the present invention In the door lock for preventing the handle from sagging and coming off, it is a view showing a perspective view of the handle stopper and a sectional view in the AA 'direction.

An inner surface of the outer operation part 130 is provided with a stopper support cylinder 502, a spring auxiliary support 504, a spring fixing piece 506, and a rotating plate guide 508. In addition, fixing screw fixing holes 510a, 510b, 510c, and 510d are provided on the outer circumferential surface of the rotating plate guide 508 to fix the fixing plate fixing screws 448a, 448b, 448c, and 448d.

The inner circumferential surface of the stopper support cylinder 502 forms part of the insertion rod receiving port 412 and the outer circumferential surface is in contact with the inner circumferential surface of the female receiving portion 436 of the handle stopper 430. That is, the stopper support cylinder 502 is inserted into the female receiving portion 436 of the handle stopper 430 to support the handle stopper 430.

The spring auxiliary support 504 serves to prevent separation of the stopper spring 420 and protrudes in an arc shape. A lower end portion of the stopper support cylinder 502 is provided with a spring fixing piece 502, which supports the spring actuating rods 422a and 422b of the stopper spring 420.

The rotary plate guide 508 guides the rotary plate 432 of the handle stopper 430. The rotating plate 432 is inserted into the rotating plate guide 508, and the outer circumferential surface of the rotating plate 432 rotates in contact with the inner circumferential surface of the rotating plate guide 508.

Referring to FIG. 6, the configuration of the handle stopper 430 may be more clearly understood. As shown in FIG. 6, the female receiving portion 436 is formed in a cylindrical shape. Since the stopper support cylinder 502 is inserted into the female accommodating portion 436, the inner circumferential surface diameter of the female accommodating portion 436 is preferably formed slightly larger than the outer circumferential surface diameter of the stopper supporting cylinder 502.

Referring to the installation and operation of the door lock for preventing the sag and falling of the door handle as follows.

FIG. 7 is a view illustrating a state in which a stopper spring and a handle stopper are mounted on an outer operation part in a door lock for preventing sag and release of a door handle according to a preferred embodiment of the present invention.

Position the stopper spring 420 around the stopper support cylinder 502 on the inner side of the outer operation part 110 and mount the handle stopper 430. As described above, a stopper support cylinder 502 is inserted into the female receiving portion 436 of the handle stopper 430. In addition, although not shown in FIG. 7, after the handle stopper 430 is mounted, the stopper fixing plate 442 is mounted on the upper side of the rotating plate guide 508 to prevent the handle stopper 430 from falling off from the rotating plate guide 508. do. On the other hand, in the preferred embodiment of the present invention configuration for preventing the separation of the handle stopper 430 is not limited to the stopper fixing plate 442, any configuration for fixing the handle stopper 430 from the top is possible.

At this time, between the spring actuating rods 422a and 422b of the stopper spring 420, a spring fixing piece 506 provided on the outer operation part 110 and a spring actuating piece 434 provided on the handle stopper 430 are provided. Located.

The stopper spring 420 and the handle stopper 430 are mounted on the outer operation unit 110, and the outer handle 130 and the shaft 150 assembly are mounted after the stopper fixing plate 442 is fixed to the handle stopper 430.

FIG. 8 is a view illustrating a state in which the outer handle and the shaft assembly are mounted to the handle coupling portion in the door lock for preventing sag and release of the door handle according to the preferred embodiment of the present invention.

The outer handle 130 and the shaft 150 assembly are inserted into the handle engaging portion 410 in a state in which the handle direction of the outer handle 130 faces upward. The shaft 150 is inserted into the shaft through hole 438 of the handle stopper 430 and the insertion rod 202 of the outer handle 130 is inserted into the insertion rod receiving port 412. At this time, the connecting rod 200 of the outer handle 130 may not be completely seated on the connecting rod seating portion 414 of the handle coupling portion 410 due to the handle protrusion 402.

Next, the outer handle 130 is rotated to the left or the right according to whether the mounting type of the outer handle 130 is left-handed or superior. Rotating and pushing 90 ° to the left to mount the outer handle 130 in the left-handed manner, the handle protrusion 402 of the outer handle 130 is inserted into the left-hand arc long hole 416a. On the other hand, when the outer handle 130 is rotated by 90 ° to the right to push the superior type, the handle protrusion 402 of the outer handle 130 is inserted into the arc for the hole 416b for rain.

For reference, in the preferred embodiment of the present invention, the formation position of the left-right arc long hole 416a and the excellent arc long hole 416b of the handle engaging portion 410 and the position of the handle protrusion 402 may be formed by the handle protrusion 402. ) Is inserted into the left-circular arc long hole 416a or rainwater arc long hole 416b, it is preferable that the outer handle 130 forms an angle of 90 ° to the left or right with respect to the center.

When the outer handle 130 is rotated to the left or the right, the handle stopper 430 also rotates in the same direction due to the rotation of the shaft 150, and the stopper spring (434) by the spring operating piece 434 of the handle stopper 430. 420 is also modified. 9 illustrates a state in which the outer handle 130 is mounted in an excellent shape.

FIG. 9 is a view illustrating a state in which the outer handle is inserted into the handle coupling portion of the outer operation unit and mounted in an excellent shape in the door lock for preventing sag and release of the door handle according to the preferred embodiment of the present invention.

The outer handle 130 and the shaft 150 are inserted into the handle coupling portion 410 and the outer handle 130 is rotated to the right in order to mount in an excellent shape. Since the shaft 150 is coupled to the shaft through hole 438 of the handle stopper 430, the handle stopper 430 coupled to the shaft 150 also rotates to the right side as the outer handle 130 is rotated.

By the rotation of the handle stopper 430, the spring operation piece 434 provided on the rotating plate 432 of the handle stopper 430 pushes the spring operation bar 422a of the stopper spring 420. Since another spring actuating rod 422b of the stopper spring 420 is supported by the spring fixing piece 506, a torsion occurs in the stopper spring 420. After rotating the outer handle 130 to 90 degrees to the right, the handle protrusion 402 is inserted into the right circular arc hole 416b to maintain the outer handle 130 rotated 90 degrees to the right.

Since the stopper spring 420 is already receiving a restoring force in the state in which the outer handle 130 is mounted in an excellent shape, the outer handle 130 receives a stronger restoring force than usual, and the outer handle 130 is pushed down. This phenomenon can be prevented.

Meanwhile, the state in which the outer handle 130 is operated downward to operate the latch bolt 164 of the mortise 160 is as shown in FIG. 10.

10 is a view illustrating a state in which the outer handle is operated downward to operate the latch bolt in the door lock for preventing the door handle from sagging and falling out according to a preferred embodiment of the present invention.

When the outer handle 130 is further rotated downward in the left-handed state, the latch bolt 164 is operated by the rotation of the shaft 150. The handle stopper 430 also rotates by the rotation of the shaft 150, and the stopper spring 420 is further deformed by the spring operating piece 434. When the external force for rotating the outer handle 130 is removed, the handle stopper 430 is returned to its original position by the restoring force of the stopper spring 420, and the outer handle 130 is also restored to the initial state in which the external handle 130 is mounted in an excellent shape.

The description so far has been described taking the outer handle 130 as an excellent type as an example, but the mounting of the outer handle 130 in the left-hand form may be easily inferred from the above description.

The inner handle 140 is fixed to the shaft 150 after mounting the outer handle 130 and the shaft 150 combination in a left or right type. At this time, the above-described stopper spring 420, the handle stopper 430, and the like are also provided in the inner operation unit 120, and the shaft is inserted into the shaft through hole 438 provided in the stopper spring 420 of the inner operation unit 120. It is desirable to.

As described above, conventionally, the fixing rod 206 is provided at the end of the shaft 150 to insert the shaft 150 into the inner handle 140, and then the inner handle 140 using the handle fixing screw 218. Is fixed to the shaft 150. However, since the depth of the conventional fixing rod 206 is constant, the handle fixing screw 218 may be moved along the fixing rod 206, thereby causing a problem that the inner handle 140 is pulled out.

In order to solve this problem, in the door lock for preventing the sag and pull out of the door handle according to a preferred embodiment of the present invention, the shape of the fixing section 206 of the shaft 150 is improved as follows.

FIG. 11 is a perspective view illustrating a shaft for preventing handle pull-out in a door lock for preventing sag and release of a door handle according to a preferred embodiment of the present invention, and FIG. 12 is a door according to a preferred embodiment of the present invention. In the door lock for preventing the handle from sagging and coming off, it is a view showing a cross section in the BB 'direction and the CC' direction between fixings.

As described above, the shaft 150 includes a fixing groove 406 for fixing the outer handle 130 and a safety pin insertion hole 404 for preventing the shaft 150 from being completely separated from the outer operation unit 110. do. After the shaft 150 is inserted into the outer operation unit 110, the safety pin 408 is inserted into the safety pin insertion hole 404, which prevents the shaft 150 from being separated from the outer operation unit 110. In particular, since the product can be shipped with the outer handle 130 and the shaft 150 inserted into the outer operation unit 110 of the door lock, the outer handle 130 and the shaft 150 are outside at the installation site of the door lock. The trouble of installing in the operation part 110 can be reduced.

Depth of the fixed interval 206 is formed in the end of the shaft 150 is shallow, deeper toward the right side with respect to FIG. That is, as shown in FIG. 12, the depth of the fixed interval 206 of B-B 'far from the distal end of the shaft 150 is deep, and the depth of the fixed interval 206 of C-C' close to the distal end is shallow. Form. In this case, the handle fixing screw 218 coupled to the fixing rod 206 through the inner handle 140 does not slip on the fixing rod 206, thereby preventing the inner handle 140 from being pulled out.

The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art to which the present invention pertains may make various modifications and variations without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention, but to explain, and the scope of the technical idea of the present invention is not limited by these embodiments.

As described above, according to the present invention, since the restoring force of the stopper spring is increased, the drooping phenomenon of the door handle is prevented.

In addition, according to the present invention, it is possible to ship the door lock with the outer handle and the shaft mounted on the outer operation part, so that the effort of mounting the outer handle and the shaft in the left or right type by combining the outer handle and the shaft at the installation place of the door lock It can reduce the effects.

In addition, according to the present invention, there is an effect that can prevent the phenomenon that the inner handle is pulled out of the shaft by forming the fixing interval of the shaft to become shallower toward the shaft end portion.

Claims (8)

An outer operation unit attached to the outside of the door, an inner operation unit attached to the inside of the door, a mortise for opening and closing the door, a shaft for operating the latch bolt in the mortis, and a door handle for rotating the shaft in combination with the shaft A door lock comprising an outer handle provided on the outer operation unit and an inner handle provided on the inner operation unit. Insertion rod receiving port 412 to which the insertion rod 202 formed at the distal end of the outer handle 130 is inserted into the handle coupling portion 410 that the outer handle 130 is coupled to the outer operation portion 110, The left-circular arc long hole 416a and the excellent arc long hole 416b formed at the left and right lower ends of the insertion bar receiving port 412 are provided. The outer handle 130 is provided with a handle protrusion 402 inserted into any one of the left arc for the long hole (416a) and the rain arc for the hole (416b), On the lower end of the insertion rod receiving port 412 of the inner side of the outer operation unit 110 is provided with a spring fixing piece 506 protruding, On the inner side of the outer operation part 110, there is provided a disk-shaped rotating plate 432, a shaft passage hole 438 through which the shaft 150 passes, and a spring operation piece 434 provided at the lower end of the shaft passage hole. Mounted between the handle stopper 430 and the inner surface of the handle stopper 430 and the outer operation part 110 and fixed by the spring fixing piece 506 and operated by the spring operating piece 434. Mounted with stopper springs 420 having spring-operated rods 422a and 422b Door lock for preventing sagging and falling out of the door handle. The method of claim 1, The inner surface of the outer operation unit 110 is provided with a rotating plate guide 508 for guiding the rotation of the rotating plate 432 of the handle stopper 430 is for preventing sagging and falling out of the door handle door lock. The method of claim 2, An inner surface of the outer operation part 110 is further provided with a stopper fixing plate 442 that is coupled to the rotating plate guide 508 to prevent the handle stopper 430 from being separated from the outer operation part 110. A door lock for preventing sagging and falling out of a door handle. The method according to claim 1 or 2, On the inner side surface of the outer operation part 110, a cylindrical stopper support cylinder 502, which supports the rotating plate 432 of the handle stopper 430, which extends to the insertion rod receiving port 412, is further added. Door lock for preventing sag and pull out of the door handle, characterized in that provided. The method of claim 4, wherein The inner side of the outer operation unit 110 is provided with a spring auxiliary support 504 for supporting the stopper spring 420 from the upper side of the stopper support cylinder 502, the prevention of sagging and falling out of the door handle Door lock for The method of claim 4, wherein The handle stopper 430 accommodates the stopper support cylinder 502 and the female receiving portion 436 is provided on one surface of the rotating plate 432 door lock for sagging and falling out of the door handle. The method of claim 1, The shaft 150 is coupled to the shaft coupling portion 150 and the outer handle 130 is coupled to the handle coupling portion 410 to prevent the shaft 150 from falling off from the outer operation portion 110. A safety pin insertion hole 404 is provided, and the safety pin insertion hole 404 is a door lock for preventing sag and falling out of a door handle, wherein a safety pin 408 is inserted. The method of claim 1, The fixing rod 206 provided to the shaft 150 to fix the inner handle 140 to the shaft 150 using the handle fixing screw 218 has a depth of the shaft 150. A door lock for preventing sagging and falling out of a door handle, wherein the door handle is formed shallower and deeper from the end thereof.