WO2017039116A1

WO2017039116A1 - Door lock apparatus

Info

Publication number: WO2017039116A1
Application number: PCT/KR2016/005163
Authority: WO
Inventors: 최문선
Original assignee: 최문선
Priority date: 2015-09-02
Filing date: 2016-05-16
Publication date: 2017-03-09
Also published as: KR101853837B1; KR20170027554A

Abstract

The present invention relates to a door lock apparatus, which is provided at a door so as to open and close the door and is a locking means for preventing the opening of the door. Specifically, the present invention relates to the door lock apparatus capable of opening and closing the door by pushing or pulling a handle, capable of switching the handle, for operating a latch bolt, into a push or pull mode according to a change in the opening direction and left-handed or right-handed mode of the door, and having the latch bolt with a simple structure. The door lock apparatus, according to one embodiment, for operating the latch bolt by pushing or pulling the handle according to the opening direction of the door comprises: a door lock assembly separated into an inside door lock assembly and an outside door lock assembly; and the latch bolt provided between the inside door lock assembly and the outside door lock assembly, wherein the door lock assembly includes a push-and-pull switching means for selectively setting the rotational direction of a switching rotary piece, rotating around a Y axis by the handle, so as to switch the handle, for operating the latch bolt, into a push or pull mode according to the opening direction of the door. The door lock apparatus according to another embodiment of the present invention comprises: the door lock assembly separated into the inside door lock assembly and the outside door lock assembly; and the latch bolt provided between the inside door lock assembly and the outside door lock assembly, wherein the latch bolt comprises: a slider moving backwards when a connection shaft connected to the door lock assembly rotates, and receiving elastic force such that the slider is returned while always moving in the direction in which the latch is provided; a latch mounting piece provided at the front of the slider so as to rotate around an X axis which corresponds to a movement direction; and a latch provided to the latch mounting piece and rotating around a latch mounting pin, which is orthogonal to the X axis corresponding to the movement direction, a latch fixing means for preventing the latch from rotating around the latch mounting pin is formed between the latch mounting piece and the latch, and when the latch mounting piece, moving together with the slider moving backwards, moves backwards, a fixed state of the latch fixing means is released so as to enable the latch to rotate around the latch mounting piece.

Description

Door lock device

The present invention relates to a door lock device that is installed on the door to open and close the door and is a locking means for preventing the door from being opened.

In detail, the door can be opened and closed by pushing or pulling the handle, but the latch bolt is operated according to the opening direction of the door and the change according to the left-hand expression. The shape of the handle is pushed or pulled. It relates to a door lock device that can be switched.

The present invention also relates to a door lock device having a latch bolt having a simple structure.

In general, a door (door) is installed at the entrance to control the entry and exit of a person, and the door is installed at the door to be used for locking and locking (locking).

The door lock is generally composed of a cover installed on both sides of the door, a handle respectively provided on the cover, and a latch bolt installed between the cover and operated by the handle.

Conventional door locks have a structure in which the latch bolt is moved in the longitudinal direction by rotating the handle, and when the door is opened, the door is opened by pulling or pushing the handle about a horizontal axis (X axis) to open the door. It is installed in and exposed to a situation that is used as a single interior decoration, various types of door locks are provided.

Due to this situation, in recent years, a door lock having a handle having a 'b' shape is provided as in Patent Registration No. 10-0315217 and Patent Registration No. 10-0294624.

The door lock of the prior art made of a 'b' shape is made of a structure that allows the latch bolt to move in the length (horizontal) direction by rotating the handle of the 'b' shape about a horizontal axis (X axis).

As described above, in the case of the door lock having a structure in which the latch bolt is rotated about the horizontal axis (X axis) to move in the longitudinal direction, the upper portion of the handle is usually formed in order to open the door. Rotate around the horizontal axis (X axis) by applying force in the downward direction at. However, when a '-' shaped handle is applied from the top to the bottom in order to open and close the door in this way, a load is generated inside and the coupling state is affected by the effects of rapid wear and loss of elastic force of the elastic member for return. As the loosening of the 'b' shaped handle is caused to sag downwards, which has the disadvantage of hurting the aesthetics.

In addition, there is a disadvantage that the door lock is easily broken by applying a force from the upper direction to the lower direction (that is, the vertical direction) in order to rotate the handle of the 'b' shape to open and close the door as described above, and the user opens the door. In order to rotate the handle of 'b' shape, it is inconvenient to open the door by exerting force from the top to the bottom and pulling or pushing back and forward again.

In order to solve this problem (KR) Patent No. 10-1059753 provides a pull-type door lock of the pull (PULL) method that is configured to move the latch bolt in the length (horizontal) direction when the handle is pulled in the horizontal direction. It was.

However, in the pull-type door lock of the (KR) Patent No. 10-1059753, it is configured to operate in a pull (PULL) method on both the inner and outer sides of the door, so that either side of the inner or outer side is opposite to the opening direction of the door. Has the inconvenience of pulling in the direction.

In order to solve this problem (KR) Patent No. 10-1375776 in the push-and-pull opening method that one side of the handle to operate in a pull (PULL) method, while the other side of the handle to operate in a push (PUSH) method. A door lock was provided.

In the case of the conventional push-and-pull opening door lock (door lock device), the handle of the door lock is pushed or pulled according to the environment of the door (opening direction, door lock installation position, etc.).

That is, the door lock can be divided into left and right according to the position installed in the door, the door may be opened in the inner direction and the outer direction. In the case of the conventional push-and-pull opening type door lock according to such various environments, the handle cannot be appropriately switched because the handle cannot be switched to the push or pull method.

Referring to Figure 1,

Depending on the environment in which the door is installed, the door may open outward as shown in FIG. 1A, and the door may open inward as shown in FIG. 1B. In this case (a) and (b) of Figure 1 according to the opening direction of the door the handle of the push (push) and pull (PULL) system is located in the opposite direction.

In the case of the conventional push-and-pull door lock, the shape of the handle cannot be switched to the push or pull method or the conversion is very complicated, and thus the user cannot switch the handle. Is installed in the opposite direction, such as a pull handle where a pull type should be installed, or when the handle for push and pull handles are arranged so as to be suitable for the door opening method. It causes a problem such that the fixing screw to be located on the outside.

The present invention is a push and pull (PUSH) and pull (PULL) made to be installed the handle of the push (push) or pull (pull) method according to the opening direction of the door even in various environments in which the door lock device is installed ) To provide a door lock device.

That is, the door lock assembly constituting the door lock device is to include a push and pull switching means that can be switched in the push (push) or pull (pull) method of the handle, the user or installer can easily switch The purpose is to make it possible.

In addition, an object of the present invention is to simplify the configuration of the latch bolt constituting the door lock device, and to ensure accurate operation.

The door lock device of the present invention comprises a door lock assembly which is divided into an inner door lock assembly and an outer door lock assembly and a latch bolt provided between the inner door lock assembly and the outer door lock assembly, and pulls the handle according to the opening direction of the door. In the door lock device configured to actuate or push the latch bolt, the door lock assembly is rotated about the Y axis by the handle to switch the handle for operating the latch bolt to the pull or wheat food according to the opening direction of the door And a push-and-pull switching means configured to selectively set the rotation direction of the switching rotary tool.

The push-and-pull switching means is fixed to the fixed body fixed to the door, the through-hole is formed in the center, the conversion including a switching pin for switching to the pull (PULL) type or push (PUSH) type Plate for; A conversion rotary tool installed in the through hole of the switch plate to rotate together with a connecting shaft connected to the latch bolt and configured to set a rotation direction by a switch pin; The fixing body is installed as a fixing pin to rotate around the fixing pin, and the inner end is connected with the switching rotary ball so as to rotate the switching rotary ball during the rotation, and the outer end is connected with the handle.

The door lock device of the present invention to achieve another object of the present invention, the door lock assembly comprising a door lock assembly divided into an inner door lock assembly and an outer door lock assembly and a latch bolt provided between the inner door lock assembly and the outer door lock assembly. The latch bolt includes: a slider which is retracted when the connecting shaft connected to the door lock assembly is rotated and is elastically moved so that the latch is always moved in a direction in which the latch is installed; A latch installation tool provided to rotate about an X axis in a moving direction in front of the slider; And a latch installed on the latch mounting hole and rotating about a latching installation pin perpendicular to the X axis in a moving direction, while the latch is not rotated about the latching installation pin between the latch mounting hole and the latch. The latch holding means is formed, the latch holding means is made so that the latch is released when the latch installation tool moving together when the slider is retracted so that the latch can rotate about the installation pin for the latch.

The door lock device of the present invention made as described above is provided with a push-and-pull switching means in the door lock assembly to easily change the shape of the handle according to the opening direction of the door and the installation direction of the door lock device into a push (push) or pull (pull) form. In this case, there is an advantage in that it is possible to install the correct door lock device according to the opening method where the installation is not made according to the conventional problem or the installation according to the correct opening method.

In addition, the latch bolt configuration is solid and accurate operation can be implemented to ensure the reliability of the door lock device.

In addition, the door lock device comprising a latch lock bolt and a door lock assembly provided with a push-and-pull switching means is simple in configuration and has an advantage of excellent price competitiveness and reliability by being easy to install.

1 is a schematic view showing a state in which the push and pull is changed according to the opening direction of the door, the push and pull door lock device is installed.

Figure 2 is a perspective schematic view of the door lock device which is an embodiment of the present invention.

Figure 3 is a perspective schematic view of the door lock device in an embodiment of the present invention in a separated state.

Figure 4 is a partial perspective schematic view of the door lock assembly of the door lock device which is an embodiment of the present invention.

Figure 5 is a perspective schematic view of the push and pull switching means provided in the door lock assembly of the door lock device which is an embodiment of the present invention.

Figure 6 is a perspective schematic view of the switching method using the push and pull switching means provided in the door lock assembly of the door lock device which is an embodiment of the present invention.

Figure 7 is a perspective schematic view of the latch bolt of the door lock device which is an embodiment of the present invention.

Figure 8 is a perspective view showing the inside of the latch bolt of the door lock device which is an embodiment of the present invention.

Figure 9 is a perspective schematic view of a state in which the latch housing is removed of the configuration of the latch bolt which is an embodiment of the present invention.

10 is a partial perspective schematic view of an important part of the configuration of the latch bolt is an embodiment of the present invention.

11 is a plan view schematically illustrating a state in which the latch housing is removed from the latch bolt as an embodiment of the present invention.

12 is a front schematic view of a state in which the latch housing is removed from the configuration of the latch bolt as an embodiment of the present invention.

Figure 13 is an exploded plane schematic view for explaining the latch fixing means (B) of the configuration of the latch bolt which is an embodiment of the present invention.

Figure 14 is a schematic view showing the operating state of the latch fixing means (B) in the unlocked state for the description of the latch fixing means (B) of the configuration of the latch bolt is an embodiment of the present invention.

Figure 15 is a schematic view showing the operating state of the latch fixing means (B) for the description of the latch fixing means (B) of the configuration of the latch bolt is an embodiment of the present invention.

The door lock device of the present invention comprises a door lock assembly which is divided into an inner door lock assembly and an outer door lock assembly, and a latch bolt provided between the inner door lock assembly and the outer door lock assembly. In the door lock device configured to operate by pulling or pushing the latch bolt, the door lock assembly (1) has a handle 11 for operating the latch bolt (2) can be switched to pull or wheat food according to the opening direction of the door It comprises a push-and-pull switching means (A) configured to selectively set the rotation direction of the switching rotary hole 13 to rotate about the Y axis by the handle (11).

The push and pull switching means (A) is fixed to the fixing body (10, 10 ') fixed to the door, the through hole (14-1) is formed in the center portion, to convert to pull or wheat food A switch plate 14 comprising a switch pin 15 for the switch; It is connected to the through hole (14-1) of the switch plate 14 to be connected with the connecting shaft (3) connected to the latch bolt (2), so that the rotation direction is set by the switch pin (15) Switching rotary hole 13 and made; It is installed on the fixing body (10, 10 ') as a fixing pin 19 to rotate around the fixing pin 19, the inner end portion to rotate the rotary ball 13 for rotation during rotation It is connected to the switching rotary hole 13, the outer end is made to be connected to the handle (11).

Alternatively, the door lock device of the present invention is a door lock device comprising a door lock assembly divided into an inner door lock assembly and an outer door lock assembly and a latch bolt provided between the inner door lock assembly and the outer door lock assembly, wherein the latch bolt ( 2) a slider 22 which has an elastic force in a direction in which the latch 24 is always installed so as to retreat when the connecting shaft 3 connected to the door lock assembly 1 is rotated and to be returned; A latch installation tool 24 installed in front of the slider 22 to rotate about an X axis in a moving direction; And a latch 25 which is installed in the latch installation hole 24 and rotates about a latch installation pin 26 orthogonal to the X axis in a moving direction. Between the latches 25, a latch fixing means B is formed to prevent the latch 35 from rotating about the latch installation pin 26. The latch holding means B moves together when the slider 22 moves backward. When the latch installation tool 24 is reversed, the fixed state is released so that the latch 25 can rotate about the latch installation pin 26.

Alternatively, the door lock device of the present invention is a door lock device comprising a door lock assembly divided into an inner door lock assembly and an outer door lock assembly, and a latch bolt provided between the door lock assembly and the outer door lock assembly. ) Is installed in the latch housing 20 so as to rotate both ends, the operation cam 21 to rotate together with the connecting shaft (3) connected to the door lock assembly (1); A slider (22) installed inside the latch housing (20) and receiving an elastic force in a direction in which the latch (25) is always installed so as to move backward when the operation cam (21) is rotated and to return; A locking protrusion 23-2 is inserted into and removed from the locking groove 21-3 formed in the operating cam 21, and moves in the Z-axis direction to lock and release the rotation of the operating cam 21. A locking member 23 to be used; A latch installation tool 24 installed in front of the slider 22 to rotate about an X axis in a moving direction; A latch 25 installed in the latch installation hole 24 and rotating about a latch installation pin 26 orthogonal to an X axis in a moving direction; And a slider return spring 27 provided between the locking member 23 and the latch mounting hole 24 so that the slider 22 returns to its original position upon reversing. A latch fixing means (B) is formed between the latches (25) to prevent the latch (25) from rotating about the latch installation pin (26). When the latch installation tool 24 moving together moves backward, the fixed state is released so that the latch 25 can rotate about the latch installation pin 26.

The latch installation tool 24 includes a latch installation body 24-1 installed at the front of the slider 22 and rotating about an X axis; The latch connection part 24-2 is formed on the latch installation body 24-1 on the opposite side to which the slider 22 is installed and is provided with a latch connection pin hole 24-3 having a long length in the X-axis direction. )Wow; A fixing protrusion surface 24-4 for fixing the rotation of the latch 25 rotating around the latch installation pin 26 installed in the latch connection pinhole 24-3 is provided.

The latch 25 is installed on the latch connection part 24-2 by the latch installation pin 26 to rotate about the latch installation pin 26, and to contact the fixing protrusion 24-4. The fixing groove surface 25-4 is provided, and has the opening preventing surface 25-2 and the pushing surface 25-3 which face each other at arbitrary angles,

The latch 25 is moved by the length of the latch connection pin hole 24-3 in the X-axis direction by moving the latch installation pin 26 in the long latch connection pin hole 24-3. When the surface 24-4 and the fixing groove surface 25-4 are in contact with each other, the opening preventing surface 25-2 when the latch 25 is rotated should be parallel to the X axis, and the pinhole 24 for latch connection is provided. When the latching installation pin 26 is located at the front end of -3), the latch 25 is detached by separating the contact between the fixing projection surface 25-2 and the fixing groove surface 25-4. It is made to rotate about the installation pin 26 for the latch.

The present invention relates to a door lock device that is installed on one side of the door to easily open and close the door locking means and the door, and more specifically, to operate the handle in a push or pull manner to open the door. Door lock assembly provided with a push and pull switching means (A) made to be closed, but can be easily switched to push (push) or pull (PULL) method, and the fixing means (B) A latch bolt provided with this, and the door lock apparatus provided with these are related.

Hereinafter, a push and pull door lock device according to the present invention will be described in detail with reference to the accompanying drawings.

Referring to Figure 1,

According to the opening direction of the door (D), the handle of the door lock device installed in the door is a push (Push) and pull (PULL) system is changed to each other.

In the conventional push-and-pull door lock device, when the push-push and pull method of the handle are interchanged, a screw (bolt), which is often used for fixing, is inserted into the outer side instead of the inner side. Positioning so as to make it impossible to use occurs. The present invention is to provide a push and pull switching means (A) in the door lock assembly to solve this problem.

2 and 3,

The door lock device includes a door lock assembly (1) divided into an outdoor door lock assembly (1a) and an interior door lock assembly (1b) around the door, and between the outdoor door lock assembly (1a) and the interior door lock assembly (1b). It consists of a latch bolt (2) provided in the door.

The outdoor door lock assembly 1a and the interior door lock assembly 1b constituting the door lock assembly 1 have the same structure, except that the interior door lock assembly 1b has a screw hole into which a screw for fixing is inserted. On the corresponding part, the outdoor door lock assembly 1a is formed with a threaded portion formed by inserting a screw on the indoor door lock assembly 1b to be fixed. This is a fixed method used conventionally and will not be further described.

The door lock assembly 1 including the outdoor door lock assembly 1a and the indoor door lock assembly 1b includes a push-and-pull switching means capable of switching between push and pull methods of the handle 11. ).

3 to 5,

The door lock assembly 1 is formed on the outer fixing body 10 positioned on the outside with the door interposed therebetween, the inner fixing body 10 'positioned on the inside, and the fixing bodies 10 and 10', respectively. It is installed through the through-hole, the handle connector 12 is installed as a fixing pin (19) rotates around the fixing pin (19), and the handle (11) installed at one end of the handle connector (12) and The phone 11 is connected to the other side of the handle connector 12, the handle 11 is installed is rotated about the Z axis when rotating the handle connector 12, and the fixing body (10, 10 ') ) And a return plate (14) provided with a switching pin (15) so as to control the rotation direction of the telephone rotating hole (13), and to return to its original position when the telephone rotating hole (13) is rotated. And a spring for returning the handle to which the rotary device 13 for the telephone is installed to have an elasticity for return. .

The outer fixing body 10 and the inner fixing body 10 'is made of a structure for fixing by inserting a screw from the inner fixing body 10' side with the door in between, the outer fixing body 10 And a through hole and a pinhole are formed in the inner fixing body 10 ′ so that the handle connector 12 is installed at one side of the handle 11 and then fixed with the fixing pin 19. It is the same shape as the fixing body provided in the conventional (KR) Patent No. 10-1375776 push-pull opening door lock.

The handle 11 is fixed to one side of the handle connector 12 which is installed to rotate around the fixing pin 19 to the fixing body (10, 10 '), the handle connector 12 by pushing or pulling It is a configuration to rotate.

The handle connector 12 is configured to rotate the rotary phone 13 for the forward or reverse rotation around the fixing pin 19 in accordance with the push (PUSH) or pull (PULL), The pin hole 12-1 through which the fixing pin 19 penetrates, and a rotation formed in the other side where the handle 11 is installed and inserted into the handle connector groove 13-3 of the telephone rotating tool 13. It has a spherical connection projection 12-2 and a fixing hole 12-3 for installing the handle 11 to the other side of the rotary projection connection projection 12-2.

Ordinarily, the cross section may be formed in a 'c' shape so that the connecting shaft 3 can be inserted into the inside.

The telephone rotary hole 13 is inserted into the through hole 14-1 formed in the conversion plate 14 fixed to the fixing body (10, 10 ') is installed to rotate, the conversion pin (15) Rotation is limited by the rotation direction by one side, one side penetrates the through hole (14-1) to be fixed to the snap ring 17, the rotation to which the handle return spring 16 is installed to have an elastic force for the return Switching projection 13-2 which is provided so that the rotation direction is set (restricted) by the short axis (13-1) and the switching pin (15) when rotating around the rotary short axis (13-1); The groove 13-3 for the handle connector and the center of the rotating shaft 13-1 is formed so that the rotary connector connecting projection 12-2 of the handle connector 12 is inserted to rotate forward or reverse. And a connecting shaft through hole 13-4 through which the connecting shaft 3 formed in (C) passes.

The connecting shaft through hole 13-4 is usually formed as a hole having the same polygon as the connecting shaft 3, so that the connecting shaft 3 can be rotated during rotation.

The switching plate 14 sets the rotational direction of the telephone rotating hole 13 by limiting the rotational direction of the telephone rotating hole 13 by using the switching pin 15 to push the handle 11. This is to configure (PUSH) or PULL method.

The conversion plate 14 is fixed to the fixing body (10, 10 ') by a fixing screw 18, the through hole (14-1) is formed in the center is inserted into the rotary short axis (13-1) And a first switching pinhole 14-2 and a second switching pinhole 14-3 for setting (limiting) the rotation direction of the telephone rotating hole 13 around the through hole 14-1. Is formed.

The switching projection 13-2 of the telephone rotary hole 13 is positioned between the first switch pinhole 14-2 and the second switch pinhole 14-3.

The changeover pin 15 is installed at any one of the first switchover pinhole 14-2 and the second switchover pinhole 14-3 to set the rotation direction of the changeover rotary hole 13 (limit). In general, the first switch pin 15a and the second switch pin 15b, which are provided in the first switch pin hole 14-2 and the second switch pin hole 14-3, respectively, One of them is removed to set (limit) the rotational direction of the turning orifice 13.

However, the rotation direction of the changeover rotary tool 13 is provided by installing one of the first switch pinhole 14-2 and the second switch pinhole 14-3 using one switch pin 15. You can also set (limit).

FIG. 5 is an exploded perspective schematic view showing an embodiment for showing the configuration of the push and pull switching means (A), and FIG. 6 shows an embodiment showing the use state of the push and pull switching means (A). By the handle 11 is shown a state set in the pull (PULL) method.

FIG. 7 illustrates a state in which the handle 11 is switched to the pull method and the push method by the configuration of the push and pull switching means A. (a) shows that the handle 11 is a switching pin. It is a state switched to the pull (PULL) method by (15), (b) is a state in which the handle 11 is switched to the PUSH method by the switching pin (15).

8 to 11,

The latch bolt 2 positioned in the door between the outdoor door lock assembly 1a and the door lock assembly 1 constituted by the indoor door lock assembly 1b is formed in a cylinder shape to protect another configuration. An operation cam 21 which is installed to rotate both ends of the housing 20, the latch housing 20, and a connecting shaft 3 connected to the door lock assembly 1, and the latch housing ( 20) a slider 22 which is installed inside and receives an elastic force in a direction in which the latch 25 is installed at all times so as to reverse and return when the operation cam 21 is rotated, and a locking groove 21-formed in the operation cam 21. 3) is provided with a locking projection (23-2) that is inserted into and separated from the locking member 23 to move in the Z-axis direction to lock and unlock the rotation of the operation cam 21, and the slider 22 of Installed to rotate about the X axis in the forward direction Tooth mounting device 24, the latch 25 is installed in the latch installation device 24 and rotated about the latch installation pin 26 orthogonal to the X axis in the moving direction, and the locking member 23 And a slider return spring 27 provided between the latch mounting hole 24 and the slider 22 to return to the original position when the slider 22 is reversed.

Latch fixing means (B) is formed between the latch installation hole (24) and the latch (25) to prevent the latch (25) from rotating about the latch installation pin (26). When the latch installation tool 24 moving together when the slider 22 moves backward, the fixed state is released so that the latch 25 can rotate about the latch installation pin 26.

The latch housing 20 is formed in the form of a cylinder so that the slider 22 installed therein can slide in the X-axis direction, and is configured to protect other components, and the operation cam 21 in the Z-axis direction in the drawing. Operation cam hole is formed to support the support shaft (21-1) formed on both ends of the rotation, the locking member hole is formed spaced apart, fixed to the door (D) in front of the latch 25 is located It is coupled to the fixing plate for the purpose, is fixed to the door (D).

The operation cam 21 has a configuration in which the connecting shaft 3 penetrates and rotates when the connecting shaft 3 is rotated so as to retract the slider 22 in the opposite direction in which the latch 25 is positioned. The support shaft 21-1 is formed at both sides to rotate on the support plate, and a cam plate 21-2 having a fan shape rotating around the support shaft 21-1 is formed at one side thereof. A locking groove 21-3 for inserting the locking projection 23-2 of the locking member 23 in the central portion of the 21-2 so as to suppress rotation is formed.

The slider 22 is reversed in the opposite direction in which the latch 25 is positioned when the operation cam 21 is rotated, and is returned to its original position by an elastic force by the return spring 27. Ends of the cam plate 21-2 of the actuating cam 21 are inserted into the surfaces thereof, and openings 22-1 of the actuating cam long in the moving direction for allowing the actuating cam 21 to move backwards are provided. It is formed, the latch installation port 24 is installed to the front.

A fixing screw hole is formed in front of the slider 22, and the latch mounting holes 24 can be rotated about the X axis in the moving direction by installing the latch mounting holes 24 using screws and washers.

The locking member 23 is fixed to the movement in the X-axis direction and moves in the Z-axis direction so that the locking projection (23-2) in the locking groove (21-3) to insert and leave the operation of the cam 21 A guide shaft 23-1 formed so as to penetrate a hole formed in the latch housing 20 and a locking protrusion 23-2 inserted into the locking groove 21-3 in a configuration to lock and release the rotation. Is made of.

The locking member 23 is usually moved in the Z-axis direction by a locking bar provided in the inner door lock assembly 1b, and in the Z-axis direction by a rod inserted through a hole formed in the outer door lock assembly 1a. You can also move to.

The latch installation tool 24 is configured to connect the slider 22 and the latch 25, and to install the latch 25 so as to rotate about the latch installation pin 26 installed in the Y-axis direction. It is formed on the front side of the slider 22 is formed on the latch mounting body 24-1 that rotates about the X axis, and on the opposite side where the slider 22 is installed on the latch mounting body 24-1, X The latch connection part 24-2 provided with the latch connection pinhole 24-3 of the long hole in the axial direction, and the latch installation pin 26 installed in the latch connection pinhole 24-3 are provided. A fixing protrusion surface 24-4 is provided to fix the rotation of the latch 25 rotating about the center.

The latch 25 is installed on the latch connection part 24-2 by the latch installation pin 26 to rotate about the latch installation pin 26, and to contact the fixing protrusion 24-4. A fixing groove surface 25-4 is provided, and has an opening preventing surface 25-2 and a pushing surface 25-3 facing each other at an arbitrary angle, and the opening preventing surface 25-2. On the opposite side of the overlying surface 25-3, the fixing groove surface 25-4 is coupled to the fixing projection surface 24-4 of the latch installation tool 24 which is advanced with the slider 22 returned. A return arc 25-5 for contacting the end of the fixing projection surface 24-4 so that the latch 25 can rotate, and the fixing recess 25-4 is for returning. It is formed at one end of the arc (25-5).

In addition, the upper and lower surfaces of the latch 25 is provided with a stage for engaging the hole formed in the fixing plate for fixing to the door (D) to set the protruding limit.

The latch mounting holes 24 and the latches 25 thus connected are connected to the latch installation pin holes 24 in the X-axis direction by moving the latch installation pins 26 from the latch connection pin holes 24-3 in the long hole. The latch 25 moves by the length of -3), and the fixing projection surface 24-4 and the fixing groove surface 25-4 come into contact with each other to prevent the opening of the latch 25 when the latch 25 is rotated. 2) is parallel to the X-axis, and when the latch installation pin 26 is located at the front end of the latch connection pinhole 24-3, the fixing protrusion surface 25-2 and the fixing groove surface. The contact of 25-4 is separated so that the latch 25 is rotated about the latching installation pin 26.

FIG. 14 is a schematic view illustrating a latch installation tool 24 and a latch 25 for examining the latch fixing means B, and FIG. 15 illustrates an operating state of the latch fixing means B. As shown in FIG.

15 (a) shows the fixing projection surface 25-2 and the latch 25 formed in the latch installation hole 24 by the slider 22 receiving elastic force in the latch 25 direction by the return spring 27. Fixing groove surface (25-4) formed in the contact state is fixed,

15 (b) shows that when the slider 22 is moved backward by the rotation of the operation cam 21, the slider 22 and the latch installation hole 24 are moved backwards, but the length of the pinhole 24-3 for latch connection is reversed. By moving as much as possible, the contact state between the fixing projection surface 25-2 and the fixing groove surface 25-4 is released and the latch 25 is rotated about the latch installation pin 26.

As shown in FIG. 15C, the latch 25 rotates to open the door.

FIG. 16 shows that the slider 22 is in contact again with the fixing projection surface 25-2 and the fixing groove surface 25-4 when the slider 22 receives an elastic force in the latch 25 direction by the return spring 27. It shows the process of becoming fixed.

When the slider 22 receives an elastic force in the latch 25 direction by the return spring 27, the end of the fixing projection surface 25-2 and the return arc 25-5 come into contact with the latch ( 25 is rotated so that the fixing projection surface 25-2 and the fixing groove surface 25-4 is coupled.

At this time, the latch installation pin 26 and the fixing projection surface 25-2 should not be positioned on the same line so that the latch when the end portion of the projection surface 25-2 and the return arc 25-5 contact each other. 25 can be rotated.

The door lock device of the present invention is easily pushed (pull) or pulled (pull) in the form of a handle that is changed according to the opening direction of the door and the installation direction of the door lock device by the push and pull switching means provided in the door lock assembly. By being able to switch, it can be widely used regardless of installation environment.

In addition, since the configuration of the latch bolt is solid and accurate operation can be implemented, it will be widely used to secure the reliability of the door lock device.

In addition, the door lock device comprising a latch lock bolt and a door lock assembly provided with a push-and-pull switching means has a simple configuration, and can be widely used because of its excellent price competitiveness and reliability.

Claims

It consists of a door lock assembly which is divided into an inner door lock assembly and an outer door lock assembly and a latch bolt provided between the inner door lock assembly and the outer door lock assembly, and the latch bolt is operated by pulling or pushing the handle according to the opening direction of the door. In the door lock device configured to,

The door lock assembly (1) has a handle 11 for operating the latch bolt (2) is rotated about the Y-axis by the handle 11 to be switched to the pull type or wheat food according to the opening direction of the door Door and lock device characterized in that it comprises a push and pull switching means (A) configured to selectively set the rotation direction of the rotary hole (13).
According to claim 1, wherein the push and pull switching means (A),

It is fixed to the fixing body (10, 10 ') fixed to the door, the through hole (14-1) is formed in the center portion, including a conversion pin (15) for switching to pull or wheat food A switching plate 14;

It is connected to the through hole (14-1) of the switch plate 14 to be connected with the connecting shaft (3) connected to the latch bolt (2), so that the rotation direction is set by the switch pin (15) Switching rotary hole 13 and made;

It is installed on the fixing body (10, 10 ') as a fixing pin 19 to rotate around the fixing pin 19, the inner end portion to rotate the rotary ball 13 for rotation during rotation Door lock device, characterized in that connected to the rotary switch 13, the outer end is connected to the handle (11).
The method of claim 2,

The changeover pin 15 is installed at any one of the first switchover pinhole 14-2 and the second switchover pinhole 14-3 formed around the through hole 14-1 to rotate for switching. The door lock device characterized by setting the rotation direction of the sphere (13).
The method of claim 2 or 3, wherein the switching rotary hole 13,

A rotational short shaft 13-1 formed to penetrate the through hole 14-1 of the switching plate 14 and to be fixed with the snap ring 17;

A conversion projection 13-2 provided so that the rotation direction is set by the conversion pin 15 when the rotation axis 13-1 is rotated about the rotation axis 13-1;

Is connected to the handle connector 12 includes a handle connector groove 13-3 is formed so as to be rotated forward or reverse,

Door lock device, characterized in that the connecting shaft through hole (13-4) through which the connecting shaft (3) is formed in the center (C).
A door lock assembly comprising a door lock assembly divided into an inner door lock assembly and an outer door lock assembly, and a latch bolt provided between the inner door lock assembly and the outer door lock assembly,

The latch bolt 2,

A slider 22 which has a resilient force in a direction in which the latch 24 is always installed so as to reverse when the connecting shaft 3 connected to the door lock assembly 1 is rotated and to be returned;

A latch installation tool 24 installed in front of the slider 22 to rotate about an X axis in a moving direction;

And a latch 25 installed in the latch installation hole 24 and rotating about a latch installation pin 26 orthogonal to the X axis in a moving direction.

The latch fixing means (B) is formed between the latch installation hole (24) and the latch (25) to prevent the latch (35) from rotating about the latch installation pin (26). When the latch installation tool 24, which moves together when the slider 22 moves backward, the fixed state is released so that the latch 25 can be rotated about the latch installation pin 26. Door lock device.
A door lock assembly comprising a door lock assembly divided into an inner door lock assembly and an outer door lock assembly, and a latch bolt provided between the door lock assembly and the outer door lock assembly.

The latch bolt 2,

An actuating cam 21 installed at both ends of the latch housing 20 so as to rotate, and rotating together with a connecting shaft 3 connected to the door lock assembly 1;

A slider (22) installed inside the latch housing (20) and receiving an elastic force in a direction in which the latch (25) is always installed so as to move backward when the operation cam (21) is rotated and to return;

A locking protrusion 23-2 is inserted into and removed from the locking groove 21-3 formed in the operating cam 21, and moves in the Z-axis direction to lock and release the rotation of the operating cam 21. A locking member 23 to be used;

A latch installation tool 24 installed in front of the slider 22 to rotate about an X axis in a moving direction;

A latch 25 installed in the latch installation hole 24 and rotating about a latch installation pin 26 orthogonal to an X axis in a moving direction;

And a slider return spring 27 provided between the locking member 23 and the latch mounting hole 24 so that the slider 22 returns to its original position upon reversing.

Latch fixing means (B) is formed between the latch installation hole (24) and the latch (25) to prevent the latch (25) from rotating about the latch installation pin (26). When the latch installation tool 24, which moves together when the slider 22 moves backward, the fixed state is released so that the latch 25 can be rotated about the latch installation pin 26. Door lock device.
The method according to claim 5 or 6,

The latch installation tool 24 includes a latch installation body 24-1 installed at the front of the slider 22 and rotating about an X axis; The latch connection part 24-2 is formed on the latch installation body 24-1 on the opposite side to which the slider 22 is installed and is provided with a latch connection pin hole 24-3 having a long length in the X-axis direction. )Wow; A fixing protrusion surface 24-4 for fixing the rotation of the latch 25 rotating around the latch installation pin 26 installed in the latch connection pinhole 24-3 is provided.

The latch 25 is installed on the latch connection part 24-2 by the latch installation pin 26 to rotate about the latch installation pin 26, and to contact the fixing protrusion 24-4. The fixing groove surface 25-4 is provided, and has the opening preventing surface 25-2 and the pushing surface 25-3 which face each other at arbitrary angles,

The latch 25 is moved by the length of the latch connection pin hole 24-3 in the X-axis direction by moving the latch installation pin 26 in the long latch connection pin hole 24-3. When the surface 24-4 and the fixing groove surface 25-4 are in contact with each other, the opening preventing surface 25-2 when the latch 25 is rotated should be parallel to the X axis, and the pinhole 24 for latch connection is provided. When the latching installation pin 26 is located at the front end of -3), the latch 25 is detached by separating the contact between the fixing projection surface 25-2 and the fixing groove surface 25-4. Door lock device, characterized in that made to rotate about the installation pin (26) for the latch.
The method of claim 7, wherein

On the latch 25, a fixing projection surface 24- of the latch installation tool 24 which is advanced with the slider 22 which is returned on the opposite side of the opening preventing surface 25-2 and the sliding surface 25-3. 4) a return arc 25-5 that contacts the end of the fixing projection surface 24-4 so that the latch 25 rotates so that the fixing groove surface 25-4 is coupled to the fixing groove surface 25-4. And the fixing recess 25-4 is formed at one end of the return arc 25-5.