WO2014038739A1

WO2014038739A1 - Door lock

Info

Publication number: WO2014038739A1
Application number: PCT/KR2012/007471
Authority: WO
Inventors: 노길식
Original assignee: No Kil Sik
Priority date: 2012-09-07
Filing date: 2012-09-19
Publication date: 2014-03-13
Also published as: CN104781488B; KR20140032780A; CN104781488A

Abstract

The present invention relates to a door lock having a door lock body as a main component, comprising: a moving bar movably inserted into a door lock hole of a door; a first fixing part fixedly attached to one side of the door lock hole of the door; a pressing part which is fixed and coupled to a side end portion of the moving bar so as to move the moving bar in a forward direction; a stopper which is coupled to an end of the pressing part inserted into a through-hole of the first fixing part so as to prevent the pressing part from being further detached from the first fixing part when the pressing part moves in a direction deviating from the first fixing part; a return spring for returning the moving bar to the original state when an external force applied to the pressing part is removed; a slider which moves when an external force is applied in a direction perpendicular to the movable direction of the moving bar, and which returns back to the original state when the external force is removed; a guide portion for guiding the movement of the slider; and a push bar for moving the slider when the moving bar moves by the external force applied to the pressing part. Thus, the present invention, as configured above, can provide a door lock which enables a door to be easily opened and closed by only a pushing and pulling operation without rotating a door handle.

Description

door lock

The present invention relates to a door lock, and more particularly, to a door lock to open and close the door by the push and pull operation without rotating the handle attached to the door.

In general, door locks used in homes and offices are mostly in the form of opening or closing doors by rotating the handles installed on the inside and outside of the doors, and moving the latch bolts fixed on the door frames to the doors by rotating the handles. Push or pull the door to open or close the door.

However, the conventional door lock as described above is a structure that the latch bolt is to move only when the handle is turned, there is a problem that it is difficult to open the front door or visit when holding the object in both hands.

In view of the above, Korean Patent Publication No. 10-0376601 discloses that when a user rotates or pushes or pulls the inner and outer handles, the slider is moved while the sleeve is rotated or moved in an axial direction. As the door moves away from the holder embedded in the door frame is proposed a door lock to open and close.

The above patent has a convenient point of use compared to the conventional door lock in that the door can be opened or closed even if the handle of the door lock is not rotated, but the above patent is interlocked by pushing or pulling the inner and outer handles. The locker does not move, but the locker can be opened first, and afterwards the door is opened only by continuously pushing or pulling the inner and outer handles. There was a disadvantage that the opening and closing operation of the door was not smooth.

By improving the above point, the registered Patent Publication No. 10-0921100 No. proposes a door lock to move the locker in conjunction with pushing or pulling the inner and outer handles.

However, in the above patent, when assembling the stopper into the pressing hole, the stopper must be assembled into the pressing hole while the stopper is inserted into the through hole formed in the first fixing sphere. In addition, the process of assembling the first fixing tool and the pressing tool by inserting the stopper into the through hole of the first fixing tool should also be performed in a narrow space. When pressing the pusher, the roller is installed on the guide surface of the first fixture, and the forward and backward in the direction perpendicular to the longitudinal direction of the moving table is repeatedly repeated, wherein the guide surface of the first fixture and the contact surface of the slider The contact surface is damaged by repeated friction, and the slider's reciprocation is inaccurate. Standing there is a problem in the opening and closing of the door does not smoothly accomplished.

The present invention has been made to solve the above-mentioned problems, the object is that the productivity can be improved by allowing the stopper to be easily assembled to the pressing holes irrespective of the size of the through hole formed in the first fixing sphere To provide a door lock.

It is another object of the present invention to provide a door lock for smoothly opening and closing the door by precisely moving the slider forward and backward even if the slider on which the roller is installed repeatedly moves forward and backward in the direction perpendicular to the longitudinal direction of the moving table. .

Another object of the present invention is to provide a door lock to facilitate the assembly of the guide piece by allowing the guide piece to be positioned in the center of the first fixture when the first fixture and the guide piece are assembled.

A door lock according to the present invention for achieving the above object, the door lock body is provided with a movable table that is movably inserted into the door lock hole of the door; A latch fixedly coupled to a side end portion of the door in a state of being fitted into a latch hole of the door, and one end of which is coupled to the door lock body so that the latch bolt is interlocked with the movable stand when the movable stand is moved; A second fixing tool fixedly coupled to the door lock body to fix the door lock body to the door; And a pulley fixedly coupled to one end of the movable stand in a state of being fitted into the through hole of the second fixing tool so as to pull the movable stand toward the user, and having a through hole formed at the center thereof. A movable table movably inserted into a door lock hole of the door; A first fixing tool having a through hole through which the movable table can be inserted to be movable, and fixedly attached to one side of the door lock hole of the door; A pressing hole fixedly coupled to one side end of the movable stand in a state of being fitted into the through hole of the first fixing tool to move the movable stand forward, and having a through hole formed at the center thereof; When the pusher is moved in a direction away from the first fixture by being coupled to an end of the pusher fitted into the through hole of the first fixture, the pusher is no longer separated from the first fixture, and moves in the center A stopper having a through hole into which a stand is fitted; One end is connected to the movable platform, and when the movable platform is moved because an external force is applied to the pressing unit or the pulling unit, the external stage applied to the pressing unit or the pulling unit is removed to return the movable unit to its original state. Return spring; Installed at one point of the movable table, the movement is restricted in the movable direction of the movable table, and moves when an external force is applied in a direction perpendicular to the movable direction of the movable table, and again when the external force is removed. A slider to return to; A guide piece detachably attached to one side of the first fixture and configured to guide the movement of the slider; And a push rod rotatably installed at one point of the movable table to move the slider when an external force is applied to the pressing or pulling device to move the movable table.

According to the door lock of the present invention, it is possible to provide a door lock that can improve productivity by allowing the stopper to be easily assembled to the pressing hole regardless of the size of the through hole formed in the first fixing tool.

In addition, the door lock of the present invention can provide a door lock without the risk of failure since the forward and backward movement of the slider can be made precisely even if the roller is installed the slider forward and backward in the direction perpendicular to the longitudinal direction of the moving table. .

In addition, the door lock of the present invention is to form a seating protrusion in the first fixture and to form a seating groove in the guide piece to assemble the first fixture and the guide piece, so that the guide piece can be positioned in the center of the first fixture An object of the present invention is to provide a door lock for efficiently assembling the guide piece.

1 is an external perspective view of a door lock according to the present invention;

2 is an exploded perspective view of a door lock according to the present invention;

Figure 3 is an exploded perspective view of the door lock body in the door lock of the present invention,

Figure 4 is an external perspective view of the first fixture in the door lock of the present invention,

5 is an external perspective view of a slider and a guide piece in a door lock according to the present invention;

6 is a view showing a state in which the latch hanger retracted in the state of FIG.

FIG. 5 is a view illustrating a state in which a mobile stand is moved in the state of FIG. 4.

7 is a view showing a state in which the door lock body and the second fixture is coupled in the door lock of the present invention,

8 is a view showing a state in which the door lock body and the pulling mechanism in the door lock of the present invention is coupled;

9 is a view showing a part of the door lock according to the present invention, showing the state before the pressing sphere is pressed,

FIG. 10 is a view illustrating a state in which the pusher is pressed to move the movable stand in the state of FIG.

11 is a partially cutaway appearance perspective view of the door lock according to the present invention.

Hereinafter, a door lock according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 and 2, the door lock according to the present invention includes a door lock body 10, a latch 30, a second fixing tool 40, and a pulling device 50. As shown in FIG.

As shown in FIG. 2, the door lock body 10 is fitted to one side of the door lock hole 2 of the door 1, and as shown in FIG. 3, a movable table 11 and a first fixing tool 12 are provided. And a presser 13, a stopper 14, a return spring 16, a slider 20, a guide piece 15, and a push rod 17.

As shown in FIGS. 2 and 7, the movable table 11 is movably fitted into the door lock hole 2 of the door 1, and one end of the pusher 13 is coupled (FIGS. 2 and 7). 7), the other end of the puller 50 is fixedly coupled (see FIG. 8), and at one point, the push rod 17 to be described later is rotatably fitted as shown in FIG. 3.

The first fixture 12 is fixed to one side of the door 1, as shown in Figure 2, the movable portion 11 can be inserted in the center as shown in Figure 3 and 4 to move. The through hole 12a is formed so that a plurality of seating protrusions 12b are formed at the side where the stopper 14 to be described later is contacted so that the stopper 14 can be easily assembled. Reference numeral 12c is a guide hole for fitting the guide pin of the second fixture 40 to be described later, 12d is a bolt hole for fastening the first fixture 12 and the second fixture 40 with the bolt 45. 12e is a cover fixing pin.

As shown in FIGS. 1 to 3, the pusher 13 is fixedly coupled to one side end of the movable table 11 in a state of being fitted into the through hole 12a of the first fixing tool 12. 11. It is possible to move forward 11, and the through hole 13a is formed in the center as shown in FIG. Reference numeral 13c denotes a guide member connected to the

pusher

13, and 28 denotes a key holder.

Meanwhile, as shown in FIG. 11, the pusher 13 is an impact generated when the pusher 13 contacts the first fixture 12 toward the side where the first fixture 12 contacts. A rubber piece 13d may be further attached to alleviate the pressure.

The stopper 14 is coupled to the end of the guide member 13c of the pressing hole 13 fitted in the through hole 12a of the first fixing tool 12, as shown in FIG. In order to move in the direction away from the first fixture 12, the pusher 13 is no longer to be separated from the first fixture 12, the movable table 11 is fitted in the center The through hole 14a is formed. Reference numeral 27 denotes a rivet for coupling the pusher 13 and the stopper 14, the rivet being guided through the guide hole 13b of the pusher 13 and the through hole 12a of the first fixing tool 12. It is coupled to the rivet hole 14b of the stopper 14.

As shown in FIG. 3, the return spring 16 is fitted to a hook portion 11a formed at one side of the movable table 11 so that one end thereof is supported, and the other end thereof is located at one point of the inner surface of the stopper 14. When the user presses the pusher 13 in the state shown in FIG. 9 and is installed in the hook hole 15d formed, the movable base 11 fixedly coupled to the pusher 13 is an arrow of FIG. 10. Direction, and in this state, the return spring 16 is fixed to the stopper 14, and the other end is fixed to the movable table 11, so that the return spring 16 is tensioned. When the pressing force of the pusher 13 is removed, the return spring 16 is returned to its original state while the movable table 11 is returned to its original position.

On the other hand, even when the user pulls the puller 50, the return spring 16 is tensioned while the movable base 11 is moved in the same manner as the pusher 13 is pressed. In this state, the puller When the pulling force 50 is removed, the return spring 16 is returned to its original state and the movable table 11 is returned to its original state as shown in FIG. 9 again. Therefore, the return spring 16 is applied to the pusher 13 or the puller 50 when an external force is applied and the movable table 11 is moved, the pusher 13 or the puller 50 When the external force applied to the) is removed to restore the movable table 11 to its original state.

As shown in FIGS. 3 and 9, the slider 20 is restricted in movement in the direction in which the movable table 11 is movable, and is perpendicular to the direction in which the movable table 11 is movable. Is to move when the external force is applied, and to return to the original state when the external force is removed, the movable table 11 is inserted to be movable into the space inside, and on one side 3 and FIG. As shown in FIG. 5, a latching hook 25 for fitting one end 40a of the latch bolt 31 to be described later is formed, and the roller 22 for guiding the contact of the pusher 17 to be described later on the other side. Is formed. Reference numeral 24 denotes a slider return spring 16 to return the slider 20 to its original position when the external force applied to the slider 20 is removed, and one side of the pin 23 of the roller 22 described later. It is connected to the other side, and the other side is fitted in the hook opening 15c of the guide piece 15. Reference numeral 29 denotes a cover for preventing the slider 20 from being moved in the movable direction of the movable table 11, and between the first fixing tool 12 and the second fixing tool 40 by the second fixing tool 40. Fixedly attached thereto, reference numeral 29a is a through hole, and 29b is a bolt hole.

The guide piece 15 is detachably attached to one side of the first fixing tool 12 as shown in FIG. 3, and is used to guide the movement of the slider 20, and a through hole 15a at the center thereof. Is formed, a plurality of seating grooves (15b) is formed on the side that the first fixing sphere 12 is in contact, the seating groove (15b) is a mounting projection (12b) formed in the first fixing sphere (12) Will be fitted. Reference numeral 15c denotes a hook mechanism 15c for fitting one end of the slider return spring 16.

In addition, the guide piece 15 and the slider 20 are continuously rubbed between the slider 20 and the guide piece 15 by the movement of the slider 20, so that the guide piece 15 and the guide piece 15 are rubbed. A reinforcing piece 26 may be further provided to prevent the contact surface of the slider 20 from being damaged, and the reinforcing piece 26 has a pair of cut pieces 26b formed on a side thereof. 26b allows the cut piece 26b to be elastically fitted to the inner surface of the guide piece 15 when fitted to the inner surface of the guide piece 15. Reference numeral 26a is a through hole.

5 and 6 show a state in which the slider 20, the reinforcing piece 26, and the guide piece 15 are coupled, and FIG. 5 shows that the pressing hole 13 is not pressed as shown in FIG. Not shown, the position of the slider 20 is shown, and FIG. 6 shows that the slider 20 is guided in the state where the slider spring 24 is tensioned when the pusher 13 is pressed as shown in FIG. (15) The state of retreating inside is shown.

The push rod 17 is rotatably fitted to the pin 18 provided at one point of the movable table 11, as shown in Figure 3, the press opening 13 or the sugar as shown in FIG. When the movable table 11 is moved due to an external force applied to the gimgu 50 to contact the roller 22 of the slider 20 to move the slider 20, the one side portion is An inclined surface portion in contact with the roller 22 is formed.

The inclined surface portion smoothly contacts the roller 22 of the slider 20 when the movable table 11 moves from the state shown in FIG. 9 to the state shown in FIG. 10. As a result, the slider 20 is moved in a direction orthogonal to the movable direction of the movable table 11. Reference numeral 19 denotes a push spring that imparts an elastic force so that the inclined surface portion of the push rod 17 is kept in contact with the roller 22.

As shown in FIGS. 2 and 3, the latch 30 is fixedly coupled to the side end of the door 1 in a state of being fitted into the latch hole 2 of the door 1. Combined with the slider 20 of the door lock body 10 when the movable base 11 is moved, the latch bolt 31 is moved in conjunction with the movable base 11, the latch 30 is the present invention Since conventional ones known before the application of can be used, a detailed description thereof will be omitted.

As shown in FIGS. 2 and 7, the second fixing tool 40 is fixedly coupled to the door lock body 10 so that the door lock body 10 is fixed to the door 1, and the door 1 ), A plurality of guide pins 42 fitted in the plurality of guide holes 12c formed in the first fixing tool 12 are formed. Reference numeral 41 is a through hole, 43 is a bolt hole, 44 is a spacing hole, 45 is a fastening bolt for fastening the second fastener 40 to the first fastener 12, and the fastening bolt is 1 is fastened to the bolt hole 12d formed in the fixing tool 12.

The puller 50 is fixedly coupled to one end of the movable base 11 in a state of being fitted into the through hole 41 of the second fixing tool 40 as shown in FIGS. 1, 2, and 8. Thus, the movable table 11 can be pulled toward the user, and a through hole 15a is formed in the center thereof. Reference numeral 52 is a bolt hole and 53 is a cap.

In order to install the door lock according to the present invention having the above configuration in the door 1, first, assembling a plurality of parts including the pressing hole 13 and the first fixing tool 12 and the movable table 11 shown in FIG. The door lock body 10 is formed as shown in FIG.

Next, the door lock body 10 formed by assembling the parts is inserted into the door lock hole 2 with the movable table 11 facing the door lock hole 2 of the door 1 as shown in FIG. 2. 7, the movable table 11 protrudes from the door lock hole 2, and in this state, the latch 30 shown in FIG. 2 is latched in the latch hole of the door 1. When combined with the latching hook 25 of the door lock body 10 in the fitted state (2), it will be in the state shown in FIG.

Next, as shown in FIG. 7, the first pin 12 is fastened with the bolt 45 while the guide pin 42 of the second fastener 40 is inserted into the guide hole 12c of the first fastener 12. When the second fastener 40 is fastened to each other, the door lock body 10 and the second fastener 40 are fixed to the door 1 as shown in FIG. 8.

In this state, when the puller 50 is inserted into the through hole 41 of the second fixing tool 40 by pushing the puller 50 to the end of the moving table 11, the puller 50 is The door lock is completely installed in the door 1 while being coupled with the movable table 11.

In the state in which the door lock is installed in the door 1 as described above, no external force acts on the door lock, and the first state in which the external force does not act at all is illustrated in FIGS. 1 and 9. Here, the first state means that the external force is not applied to the pusher 13 or the puller 50, and the latch bolt 31 is protruded to lock the door 1.

Referring to FIG. 9, in the initial state, the return spring 16 is normally relaxed, and the inclined surface portion of the push rod 17 is in contact with the roller 22, and in this state, the latch bolt 31 is a guide hole 41. Protrudes toward the groove (not shown) of the door frame.

In this state, when pressing the pusher 13 or pulling the puller 50 as shown by the arrow of FIG. 10, the return spring 16 is tensioned and the movable table 11 is moved, and the movable table 11 is When moving, the push rod 17 provided at one point of the moving base 11 is also moved together, so that the inclined surface portion formed on one side of the push rod 17 in the state shown in FIG. 22 is pushed as shown in Figure 10, the roller 22 of the slider 20 can be moved only in a direction perpendicular to the movable direction of the movable table 11, the push rod 17 is moved As the roller 22 of the slider 20 is moved in a direction perpendicular to the movable direction of the movable table 11, the latch bolt 31 having one end connected to the slider 20 has a slider ( 20) in conjunction with the movement of the latch bolt 31 to pull out of the groove of the door frame And this state is a state that can open the door (1), and subsequently when stretched to Kim Ku 50 each, pushing the press hole 13 is opened the door (1).

Subsequently, when the pulling force 50 or the pushing force 13 is removed, the return spring 16 tensioned on one side of the movable table 11 is returned to its original state. Since the movable base 11 is moved, in this state, the pusher 17 is also moved together with the movement of the movable base 11 in the state of FIG. 9, so that the roller of the slider 20 moves together with the movement of the rod 17. Since the force applied to the 22 is also removed, the slider 20 is brought back to the state shown in FIG. 9 so that the latch bolt 31 protrudes outward from the guide 41 to maintain the closed state of the door 1. do.

Although the present invention has been described with reference to the embodiments shown in the accompanying drawings, this may be regarded as exemplary, and a person of ordinary skill in the art may conceive various modifications and equivalent embodiments therefrom. It should be understood that such equivalent embodiments are also included within the claims of the present invention. Therefore, the true scope of protection of the present invention should be determined only by the appended claims.

The door lock of the present invention is easy to produce because the stopper can be easily assembled to the pressing hole regardless of the size of the through hole formed in the first fixing tool, and the roller installed slider is moved forward and backward in the direction perpendicular to the longitudinal direction of the moving table. Even if repeated, the forward and backward movements of the slider can be made accurately, so there is no risk of failure.

Claims

A door lock body 10 provided with a movable table 11 movably fitted into the door lock hole 2 of the door 1;

It is fixedly coupled to the side end of the door 1 in a state of being fitted into the latch hole 2 of the door 1, one end is coupled to the door lock body 10, when the movable table 11 is moved A latch 30 interlocked with the movable table 11 to move the latch bolt 31;

A second fixing tool 40 fixedly coupled to the door lock body 10 to fix the door lock body 10 to the door 1; And

It is fixedly coupled to one end of the movable base 11 in a state of being fitted into the through hole 41 of the second fixing tool 40, and allows the movable base 11 to be pulled toward the user, and has a through hole at the center thereof. 51) is formed with a pullout 50;

The door lock body 10,

A movable table (11) movably fitted into the door lock hole (2) of the door (1);

A first fixing tool (12) having a through hole (12a) in which the movable table (11) is movably fitted and formed at a center thereof and fixedly attached to one side of the door lock hole (2) of the door (1);

It is fixedly coupled to one side end of the movable base 11 in a state of being fitted into the through hole 12a of the first fixing tool 12, so that the movable base 11 can be moved forward, and a through hole in the center thereof. A presser 13 formed with 14a;

The pusher is engaged when the pusher 13 is moved away from the first fixture 12 by being coupled to an end of the pusher 13 fitted in the through hole 12a of the first fixture 12. A stopper (14) having a through hole (14a) formed at the center thereof so that the (13) is no longer separated from the first fixing tool (12);

One end is connected to the movable table 11, and when the movable table 11 is moved due to an external force applied to the pressing hole 13 or the pulling hole 50, the pressing hole 13 or the sugar A return spring 16 for returning the movable table 11 to its original state when the external force applied to the gimgu 50 is removed;

Installed at one point of the movable table 11, the movement is limited in the movable direction of the movable table 11, the external force acting in a direction perpendicular to the movable direction of the movable table 11 When moving, the slider 20 to return to the original state when the external force is removed;

A guide piece 15 detachably attached to one side of the first fixing tool 12 for guiding the movement of the slider 20; And

The slider 20 is rotatably installed at one point of the movable table 11 when an external force is applied to the pressing tool 13 or the pulling tool 50 to move the movable table 11. A pusher 17 to move);

Door lock, characterized in that consisting of.
The method of claim 1,

A door lock, characterized in that between the slider (20) and the guide piece (15) is provided with a reinforcing piece (26) for preventing the guide piece (15) from being damaged by the movement of the slider (20).
The method of claim 1,

The first fixing tool 12 has a plurality of seating protrusions 12b are formed toward the contacting side of the guide piece 15, the guide piece 15 is the side that the first fixing tool 12 is in contact with The door lock, characterized in that the seating groove (15b) is formed to be fitted toward the seating projection (12b).
The method of claim 1,

The presser 13 is a rubber piece 13d for mitigating the impact generated when the pusher 13 comes into contact with the first fixture 12 toward the side where the first fixture 12 is in contact with. Door lock, characterized in that is attached.
The method of claim 2,

The slider 20 has a latch hook 25 for fitting one end of the latch bolt 31 on one side thereof, and a roller 22 for guiding the contact of the push rod 17 on the other side thereof. ,

Between the roller pin 23 of the roller 22 and the guide piece 15 is provided with a spring 24 to return the slider 20 when the external force applied to the slider 20 is removed. Door lock, characterized in that.