KR19990042176U - Door lock - Google Patents

Abstract

The present invention relates to a door lock, and more particularly, the door lock is installed in the entrance or indoor door of a building to facilitate opening and closing of the door, and to generate sound when the door is opened and closed, so that the door lock can be known. It is about.

That is, in forming a door lock to be installed in the door, the link means is installed in the door and connected to the latch bolt therein, the main body is provided with a guide link to interlock with the link means; Handle means for operating the guide link of the main body while being installed on both sides of the main body; And the like.

The present invention is also installed in the interior of the door is connected to the latch bolt in the operating link is installed therein, the pinion gear portion having a fixed link is installed in the operation link, the rack corresponding to one side of the pinion gear portion A main body provided with a guide link having a gear portion; Handle means for operating the guide link of the main body while being installed on both sides of the main body; And the like.

In addition, after installing a wire connected to the latch bolt to the main body, and then install a guide link connected to the wire on one side of the main body, while installing the handle means to operate the guide link on both sides of the main body It features.

Description

Door lock

The present invention relates to a door lock, and more particularly, the door lock is installed in the entrance or indoor door of a building to facilitate opening and closing of the door, and to generate sound when the door is opened and closed, so that the door lock can be known. It is about.

As shown in FIG. 1, the door lock has a connector 1 installed inside and outside the door 9 and a connecting pipe 2 installed inside the cover 3, and is disposed on the front surface of the cover 3. The connecting plate 4 is fixed, and the locking body 5 is installed in the door 9 so as to be interlocked with the handle 1, and when the handle 1 is rotated, the locking body 5 is connected to the locking body 5. The latch bolt (not shown) is separated from the locking groove formed in the door frame.

However, such a conventional door lock has a structure in which the door is opened by applying force again in the direction in which the door is opened in the state in which the handle 1 is rotated in one direction. There was a problem that it is extremely difficult to open the door.

In addition, conventionally, when the door lock is not locked, there is a problem such as not knowing the access state of a person at a place where the door is not visible at all.

The present invention is to solve the above-mentioned problems, the door is opened or closed when the handle of the door lock is pushed or pulled in one direction, so that both hands are not free or children, or disabled people can easily open the door. The purpose is to provide a door lock.

In addition, the present invention allows the electronic sound mounted on the door to be generated when the handle of the door lock is pushed or pulled, so that the door can be detected even in a place where the door is invisible, as well as those who try to carry out unauthorized intrusion. Its purpose is to provide a door lock that warns the intruder to combat the intruder.

1 is a cross-sectional view of a conventional door lock,

2 is a partially exploded perspective view of the door lock according to the present invention,

Figure 3 is a cross-sectional view showing a state before operation of the door lock according to the present invention,

4 is a cross-sectional view showing an operating state of the door lock according to the present invention,

Figure 5 (a) and (b) is a sectional view of the main portion showing a locking device installed in the door lock,

Figure 6 is a sectional view of the main part of the door lock showing another embodiment of the present invention,

Figure 7 is a sectional view of the main part of the door lock showing another embodiment of the present invention,

8 is a sectional view showing the main parts of a door lock showing another embodiment of the present invention;

9 is another embodiment of the door lock according to the present invention,

10 is another embodiment of the door lock according to the present invention,

11 is another embodiment of the door lock according to the present invention.

Explanation of symbols on the main parts of the drawings

10: main body 11: link means

11a: piston portion 11b: first variable link

11c: Second Variable Link 11e: Guide Link

11s: slope

12 case 13 wire

13a: roller 13b: small diameter roller

13c: large diameter roller 13d: auxiliary wire

13h: Fixed link 13i: Rotating pin

20: handle means 21: handle

21a: coupling rod 21b: fastening hole

21c: fastener 23: support rod

26,27: spring member 30: locking device

31: operation lever 40: warning sound generating device

45: switch 50: latch bolt

70: door

In order to achieve the above object, the present invention provides a door lock that is installed in a door, the link means being installed in the door and connected to the latch bolt therein, and having a guide link installed to interlock with the link means. ; Handle means for operating the guide link of the main body while being installed on both sides of the main body; And the like.

The present invention is also installed in the interior of the door is connected to the latch bolt in the operating link is installed therein, the pinion gear portion having a fixed link is installed in the operation link, the rack corresponding to one side of the pinion gear portion A main body provided with a guide link having a gear portion; Handle means for operating the guide link of the main body while being installed on both sides of the main body; And the like.

In addition, the present invention in forming a door lock to be installed in the door, the wire is connected to the latch bolt to the main body, and then install a guide link connected to the wire on one side of the main body, on both sides of the main body It characterized in that the handle means are installed to operate the guide link.

The present invention is also rotatably coupled to install a large diameter roller and a small diameter roller of different diameter in the main body, and then connect the wire connected to the latch bolt to the large diameter roller, the auxiliary wire is fixed to one end of the small diameter roller It characterized in that the fixed to the guide link.

In addition, the present invention is characterized in that the warning sound generating device for generating a sound according to the operation of the switch in place of the door after the switch corresponding to the handle is installed in place.

The present invention is also provided with a handle means at each end of the guide link, characterized in that the spring member is easily installed in the handle means thereof.

In addition, the present invention is characterized in that the operating lever is installed on one side of the main body to protrude to the inner surface of the door to correspond to the guide link, and then installed a locking means for controlling its operation on one side of the operating lever. .

The present invention is also provided with a handle means at each end of the guide link, the handle means are coupled to each other a plurality of coupling rods formed with a fastening hole and a fastening portion at each end, each end of the coupling rod is rotatable in the door It is characterized in that the supporting rods are coupled to each other.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention in detail as follows.

2 is a partially exploded perspective view of the door lock according to the present invention, Figure 3 is a cross-sectional view showing a pre-operational state of the door lock according to the present invention, Figure 4 is a cross-sectional view showing an operating state of the door lock.

The door lock is largely divided into a main body 10 corresponding to the latch bolt 50, a handle means 20 for operating the main body 10, a locking device 30 for controlling the opening and closing of the handle means 20, ; Warning sound generating device 40 that generates sound when the handle means 20 is divided into.

First, the main body 10 is provided with a link means 11 coupled to the connecting portion 51 of the latch bolt 50 therein, the link means 11 is the connecting portion 51 of the latch bolt 50. And a piston part 11a coupled to the piston part, and a first variable link 11b is rotatably coupled to the piston part 11a, and one side of the first variable link 11b is fixed to the fixed pin 11d. The second variable link (11c) that is rotated in a rotatable fixed state is provided, the second variable link (11c) is provided with a guide link (11e) for linear movement. At this time, when the guide link 11e makes a linear motion as shown in FIG. 4, the locking pin 11g of the second variable link 11c is caught by the protrusion 11f of the guide link 11e and the second variable link 11c. Is pulled out, and the second variable link 11c operates the latch bolt 50 by pulling the piston portion 11a by pulling the first variable link 11b.

Handle means 20 corresponding to the guide link (11e) of the main body 10 is provided with a handle 21 on each side of the main body 10, as shown in Figure 2, the handle 21 is a hinge shaft 22 Is coupled to the main body 10 so as to be rotatable, and an inclined portion 24 is formed at an end of the supporting rod 23 of the handle 21 which is in contact with the main body 10, thereby working the handle 21 as shown in FIG. Rotation of the support bar 23 is facilitated when pulled or pushed to the side.

In addition, a pressing protrusion 25 having a predetermined length is formed on one side of the end of the supporting rod 23, and the ends thereof correspond to the locking pins 11h of the guide link 11e, respectively, as shown in FIG. 4. When pushing the handle 21 installed on the inner side of the support bar 23 is rotated while the pressing projection 25 close to the inner surface of the door 50 presses the locking pin (11h) of the guide link (11e) The link means 11 is operated, and the link means 11 operates the piston part 11a to pull the latch bolt 50 to open the door 70.

In addition, a spring member 26 is installed on the support rod 23 of the handle 21 to facilitate the return of the handle means 20, and the handle 21 has a fastening hole 21b formed at one end thereof. The other end is coupled to a plurality of coupling rods (21a) formed with a fastening portion (21c).

On the other hand, the locking device 30 is installed on one side of the main body 10, the locking device 30 is rotatable as a hinge shaft 32 on one side of the main body 10, as shown in FIG. ) Is installed, one end of the actuating lever 31 protrudes out of the door 70 through the guide hole 12a formed in the cover 12 of the door lock, and another end of the actuating lever 31 is guided. When the actuating lever 31 is flipped in correspondence with the link 11e, one end thereof pushes the guide link 11e to separate the pressing protrusion 25 of the support bar 23 from the locking pin 11h of the guide link 11e. As a result, the door 70 cannot be opened from the outside.

In addition, after forming the locking groove 34 in the hinge portion 33 of the operating lever 31, and installing the locking projection 35 is installed in place of the main body 10 by the spring (36) As shown in (b) of FIG. 5, when the guide link 11e is retracted, the locking groove 34 of the operating lever 31 is caught by the locking protrusion 35, and thus the guide link (i) is supported by the restoring force of the tensioned spring member 11i. Prevent 11e) from repositioning.

In addition, a locking pin 11r is formed at a position of the guide link 11e so that an intermediate portion of the operating lever 31 is caught, so that the door 70 cannot be opened from the outside by pulling the operating lever 31. When the handle 21 of the door 70 is pushed from the inside in one state, the operating lever 31 is automatically released as shown in FIG. 5B by the locking pin 11r, and the door 70 is opened. .

On the other hand, after installing the locking means 36 using a key from the outside on one side of the main body 10, the rotary link 37 of the locking means 36 corresponding to the operating lever 31, the rotary link 37 5) when the locking groove 34 of the operation lever 31 is caught by the locking projection 35 as shown in FIG. 5 (b) to prevent the door 70 from being opened from the outside.

Warning sound generating device 40 that generates a sound when the handle means 20 is operated, the housing 41 is installed in the installation portion 71 in place of the door 70, the electronic circuit inside the housing 41 The board 42 and the speaker members 43a and 43b and the volume switch 44 for adjusting the volume of the sound are connected to each other, and the speaker member 43b installed in the inner side of the door 70 is supported by a support rod ( The speaker member 43a, which is connected to the switch 45 operated by the pusher 25 of FIG. 23 and installed on the outer side of the door 70, of the main body 10 proximate the operation lever 31. While connected to the switch 47 installed in place, the battery compartment 46 is formed in the housing 41.

At this time, it is preferable to differently set the sound of the speaker member 43b installed inside the door 70 and the speaker member 43a installed outside the door 70. It is preferable to make the sound of the speaker member 43a installed in the outer side somewhat louder so that an intruder can be warned.

6 is a cross-sectional view of a main part of the door lock according to another embodiment of the present invention, and a piston part 11a coupled to the connection part 51 of the latch bolt 50 is installed in the main body 10, and the piston part 11a is provided. ), A predetermined length of wire 13 is provided, and an end thereof is fixed to the guide link 11e, and a roller 13a having a predetermined diameter is installed on the main body 10 to facilitate the operation of the wire 13. .

Further, as shown in FIG. 7, the small diameter roller 13b and the large diameter roller 13c which are integrally formed in the main body 10 are rotatably installed, and then the piston portion 11a and the large diameter roller 13c are rotatable. The connected wire 13 is fixed, and one end of the auxiliary wire 13d of a predetermined length is fixed to the small diameter roller 13b, and another end of the auxiliary wire 13d is fixed to the guide link 11e. That is, when the auxiliary wire 13d is pulled by the linear movement of the guide link 11e, the small diameter roller 13b rotates to rotate the large diameter roller 13c, whereby the small diameter roller 13b Since the rotation angle of the large diameter roller 13c is larger than the rotation angle, the operation distance of the wire 13 connected to the piston portion 11a becomes large.

8 is a cross-sectional view of a main part of a door lock according to another embodiment of the present invention, in which a rack gear portion 11j is formed at a guide link 11e, and a pinion corresponding to the rack gear portion 11j in the main body 10 is shown. A gear portion 13e is formed, and a fixed link 13f of a predetermined length is fixedly installed on the pinion gear portion 13e, and an operating link 13g connected to the piston portion 11a to the fixed link 13f. Is installed.

In FIG. 9, the inclined portion 11s is formed outward of the guide link 11e, and the rotating pin 13i corresponding to the inclined portion 11s is formed in the fixed link 13h connected to the piston portion 11a. When the guide link 11e operates in the direction of the arrow, the piston pin 11a retreats while the rotary pin 13i moves up the inclined portion 11s, thereby opening the door 70.

10 is another embodiment of the door lock according to the present invention, extending both ends of the guide link (11e) to be rotatably coupled to the handle 21, and then guide between the handle 21 and the cover 12 While the spring members 26 are respectively installed on the links 11e, the handles 21 and the support rods 23 are rotatably coupled to each other, and thereafter, another spring member 27 is mounted thereon.

11 is another embodiment of the door lock according to the present invention to form a guide tube (12b) (12c) in communication with the main body 10 in the two covers 12, the cover 12 installed on the outer surface of the door 70 The locking jaw 12b 'is formed at the upper end of the guide tube 12b to prevent the push handle 20' pressed by the spring member 26 from being detached and the push inserted into the guide tube 12b. The adjusting screw portion 11k of the end of the guide link 11e is fastened to the end of the handle 20 ', and an adjusting nut 11m for controlling the operating distance of the guide link 11e to the adjusting screw portion 11k is provided. Tighten.

In addition, the guide tube 12c of the cover 12 provided on the inner side of the door 70 is provided with a push handle 20 'suppressed by the spring member 26, but at the end of the push handle 20' The adjusting screw part 11n at the end of the guide link 11e is fastened, and the adjusting nut 11p for controlling the operating distance of the guide link 11e is fastened to the adjusting screw part 11n, and then the push knob 20 The spring member 26 is coalesced between ') and the adjusting nut 11p.

Referring to the operation of the subject innovation configured as described above in detail.

In FIGS. 3 and 4, when the door 70 is opened from the outside, the handle 21 is pushed on the right side of the drawing, in which the support rod 23 rotates and is pressed close to the inner surface of the door 50. The protrusion 25 presses the locking pin 11h of the guide link 11e to operate the link means 11, and the link means 11 operates the piston part 11a to operate the latch bolt 50. The door 70 is opened by pulling.

At this time, while the push bar 25 of the support bar 23 is operated, the switch 45 installed in the main body 10 is pressed to generate a warning sound through the speaker member 43, and the volume of the sound using the volume switch 44. Can be adjusted.

On the other hand, when pressing the handle 21 as shown in Figure 6, while the support bar 23 is rotated, the pressing projection 25 in close proximity to the inner surface of the door 50 to operate the guide link (11e), the guide The door 70 is opened by the wire 13 fixed to the link 11e by operating the piston part 11a and pulling the latch bolt 50.

In addition, when the handle 21 is pressed as shown in FIG. 7, while the support bar 23 rotates, the push protrusion 25 adjacent to the inner surface of the door 50 operates the guide link 11e. As the auxiliary wire 13d is pulled by the operation of the link 11e, the small diameter roller 13b is rotated, and the small diameter roller 13b rotates the large diameter roller 13c which is integrally coupled to the piston portion 11a. Door 70 is opened by operating. At this time, since the rotation angle of the large diameter roller 13c is larger than the rotation angle of the small diameter roller 13b, the operating distance of the wire 13 connected to the piston portion 11a becomes large, so that the operating distance of the guide link 11e is small. The operation distance of the latch bolt 50 is increased.

And, when pressing the handle 21 as shown in Figure 8, while the support bar 23 is rotated, the pressing projection 25 in close proximity to the inner surface of the door 50 to operate the guide link (11e), the guide The pinion gear portion 13e is rotated by the rack gear portion 11j of the link 11e, and the fixed link 13f fixed thereto operates the operation link 13g like a virtual line to operate the piston portion 11a. The piston portion 11a pulls the latch bolt 50 to open the door 70.

In FIG. 9, when the handle 21 is pressed, the support rod 23 is elastically rotated from the handle 21 by the spring member 27, and the guide link 11e connected to the handle 21 is a spring member ( The pressing protrusion 25 presses the locking pin 11h of the guide link 11e to operate the link means 11 while being pressed by the 26, and the link means 11 operates the piston part 11a. The door 70 is opened by pulling the latch bolt 50.

In FIG. 10, when the push handle 20 'is pressed, the guide handle 11e is operated while the push handle 20' is pressed by the spring member 26, and the guide link 11e is engaged with the locking pin 11h. By pressing), the link means 11 is operated, and the link means 11 operates the piston part 11a to pull the latch bolt 50 to open the door 70.

At this time, the operation distance of the push handle (20 ') will vary depending on the adjustment nut (11m) (11p) of the adjustment screw (11k) (11n) formed at the end of the guide link (11e).

Meanwhile, as shown in FIG. 2, the handle 21 has a coupling hole 21b formed at one end thereof, and a plurality of coupling rods 21a having a coupling portion 21c formed at another end thereof are coupled to each other. Can be adjusted freely.

As described above, the present invention is to open or close the door 70 when the user pushes or pulls the handle 21 of the door lock in one direction so that both hands or children or disabled people can easily open the door. One very useful design to help you out.

In addition, the present invention is to enable the electronic sound is mounted on the door 70 when the handle 21 of the door lock is pushed or pulled so that the door 70 can be detected even if the door 70 is not visible. Of course, it is a very useful design that can warn intruders by attempting to intrude.

The present invention is not limited to the above-described specific preferred embodiment, and any person having ordinary skill in the art to which the present invention pertains may make various modifications without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

Claims (10)

In forming the door lock to be installed in the door, A link unit 11 installed in the door 70 and connected to the latch bolt 50 therein, and having a guide link 11e installed in association with the link unit 11; Handle means 20 for operating the guide link 11e of the main body 10 while being installed at both sides of the main body 10; The door lock, characterized in that consisting of. In forming the door lock to be installed in the door, An actuating link 13g installed inside the door 70 and connected to the latch bolt 50 is installed therein, and the pinion gear part 13e provided with a fixing link 13f in the actuating link 13g. And a main body 10 having a guide link 11e having a rack gear portion 11j corresponding thereto at one side of the pinion gear portion 13e; Handle means 20 for operating the guide link 11e of the main body 10 while being installed at both sides of the main body 10; The door lock, characterized in that consisting of. In forming the door lock to be installed in the door, After installing the wire 13 connected to the latch bolt 50 to the main body 10, and then install a guide link (11e) connected to the wire 13 on one side of the main body 10, the main body Door lock, characterized in that the handle means 20 is installed to operate the guide link (11e) on both sides of the (10). The method of claim 3, wherein The large diameter roller 13c and the small diameter roller 13b of different diameters are rotatably installed on the main body 10, and then the wire 13 connected to the latch bolt 50 is connected to the large diameter roller 13c. And an auxiliary wire (13d) having one end fixed to the small diameter roller (13b) and fixed to the guide link (11e). In forming the door lock to be installed in the door, The main body 10 in which the inclined portion 11s is formed outward of the guide link 11e, and the rotating pin 13i corresponding to the inclined portion 11s is formed in the fixed link 13h connected to the piston portion 11a. Wow ; Handle means 20 for operating the guide link 11e of the main body 10 while being installed at both sides of the main body 10; The door lock, characterized in that consisting of. The method according to any one of claims 1, 2, 3, 4, 5, After installing the switch 45 corresponding to the handle 21 in place of the main body 10, the warning sound generating device 40 that generates sound in accordance with the operation of the switch 45 in place of the door 70 Door lock, characterized in that the installation. The method of claim 6, The warning sound generating device 40 is provided with a housing 41 in the installation portion 71 in place of the door 70, the electronic circuit board 42 and the speaker member (43a) (43b) inside the housing (41). And, the volume switch 44 to adjust the volume of the sound is installed is installed, the speaker member (43b) installed inside the door 70 is operated by the pressing protrusion 25 of the support bar (23) The speaker member 43a, which is connected to the switch 45 and installed inside the door 70, is connected to the switch 47 installed at an appropriate position of the main body 10 in proximity to the operation lever 31. Door lock. The method according to any one of claims 1, 2, 3, 4, 5, The handle means 20 is installed on each end of the guide link (11e), the door lock, characterized in that the spring member (26) (27) is easily installed in the handle means (20). The method according to any one of claims 1, 2, 3, 4, 5, An actuating lever 31 protruding to the inner side of the door 70 is installed on one side of the main body 10 so as to correspond to the guide link 11e, and then controlling its operation on one side of the actuating lever 31. Door lock, characterized in that the locking means 36 is installed. The method according to any one of claims 1, 2, 3, 4, 5, Installing a handle means 20 corresponding to each end of the guide link (11e), the handle means 20 is a plurality of coupling rods (29b) and a fastening portion (21c) formed on each end of the coupling means ( 21a) are mutually coupled, and each end of the coupling rod (21a) is a door lock, characterized in that the support rods (23) which are rotatably installed in the door (70) are respectively coupled.