KR101637930B1 - device for closing a door - Google Patents

device for closing a door Download PDF

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Publication number
KR101637930B1
KR101637930B1 KR1020150060427A KR20150060427A KR101637930B1 KR 101637930 B1 KR101637930 B1 KR 101637930B1 KR 1020150060427 A KR1020150060427 A KR 1020150060427A KR 20150060427 A KR20150060427 A KR 20150060427A KR 101637930 B1 KR101637930 B1 KR 101637930B1
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KR
South Korea
Prior art keywords
stopper
door
latch
main body
hole
Prior art date
Application number
KR1020150060427A
Other languages
Korean (ko)
Inventor
김항수
Original Assignee
김항수
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 김항수 filed Critical 김항수
Priority to KR1020150060427A priority Critical patent/KR101637930B1/en
Application granted granted Critical
Publication of KR101637930B1 publication Critical patent/KR101637930B1/en

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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C3/00—Fastening devices with bolts moving pivotally or rotatively
    • E05C3/12—Fastening devices with bolts moving pivotally or rotatively with latching action
    • E05C3/14—Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member rigid with the latch
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/08—Locks or fastenings for special use for sliding wings
    • E05B65/0811—Locks or fastenings for special use for sliding wings the bolts pivoting about an axis perpendicular to the wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C3/00—Fastening devices with bolts moving pivotally or rotatively
    • E05C3/12—Fastening devices with bolts moving pivotally or rotatively with latching action

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)

Abstract

Disclosed is a door locking device capable of conveniently opening a door by easily unlocking a latch installed in the upper part by minimum rotation of a lever operating to open a sliding door and of having economic feasibility by improving convenience of assembly and productivity by simplifying a structure thereof. According to the present invention, the door locking device includes: a main body mounted on the sliding door; a stopper having a shaft hole corresponding to a through hole of the main body at the center; a pair of the latches in the upper and lower parts, which are connected to a fixing shaft in the upper part and the lower part of the main body to stop or rotate by the operation of the stopper; a coil spring assisting the rotation of the latch; a rotary body operating by being inserted into the shaft hole of the stopper; a handle having an operating pin connected to a square shaft hole of the rotary body; a cover closing an opening part of the main body; and a hanging unit fixing the door when a hanging rib of the latch is inserted and is hung on the same. A guide pin protrudes from the upper and lower parts of the through hole of the main body, and a guide hole is bored in the stopper to perform a linear motion after the guide pin is inserted into the guide hole. A coil spring is installed in the guide pin of the main body to provide elasticity when the stopper performs the linear motion. A hanging end is formed on one side of the inner circumference of the shaft hole of the stopper and the outer circumference of the rotary body, respectively, and a screw end is formed on the other end, in two or three uneven parts, wherein the uneven parts are in contact with each other. Step upper and lower hanging grooves are formed at the latch, and an upper end and a lower end of the stopper are in contact with the upper and lower hanging grooves.

Description

A device for closing a door

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lever-type door locking device for opening and closing a sliding door installed in a living room or a veranda, and more particularly, to a door locking device for opening and closing a door by minimizing a rotation angle of a handle for opening the sliding door, To a door locking device capable of improving the convenience of assembly and productivity by simplifying the structure.

In general, a sliding door installed in a living room or a veranda is automatically locked when a window is closed, and a lock is provided to open the window by releasing the lock state by manual operation of the handle.

Conventional door handles are largely lever-type so as to release a locked state and to apply a force to the gripped hands so that a large door with a large size and a heavy weight can be opened more conveniently.

In the conventional lever-type door handle, when the handle is rotated to open the door, the operation pin rotates the stopper of the locking device, the stopper operates the operation member having the operation piece or the gear, and the operation member then operates the latch The lock state is canceled.

When the locked state of the door is released, the door is moved in the horizontal direction by the force acting on the lever and is opened.

In this process, the angle of rotation of the conventional door handle is usually maintained at angle of 36 to 42 degrees, and therefore, the direction of action of the force applied to the handle is close to the direction of action (horizontal direction) So that the strength of the force for opening the door is largely influenced, so that the door of the door can not be easily opened by the fragile housewife or the young child as the door is opened.

For example, "a support structure for a window locking device" of Patent Document 1, "automatic locking device for windows" of Patent Document 2, "locking device for a sliding window" of Patent Document 3, and "door automatic locking device" Device "is a door lock device for sliding doors which is operated by a lever-type handle, which is operated by a handle so that the structure for releasing the locked latch is very complicated and the number of parts is large, There is a problem that it is difficult to open easily because the rotation angle is large.

Korean Registered Utility Model No. 20-0386690 (Notice of June 16, 2005) Korean Registered Utility Model No. 20-0409014 (Bulletin of February 22, 2006) Korean Registered Utility Model No. 20-0433867 (Announcement of Dec. 13, 2006) Korean Patent No. 10-0911950 (Announcement of Aug. 13, 2009)

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and it is an object of the present invention to provide a sliding door which can be easily opened by opening and closing the upper and lower latches with minimum rotation of the lever operated to open the sliding door And to provide a door locking device which can simplify the structure of the door and improve the convenience of assembly and productivity.

According to an aspect of the present invention, there is provided a door locking device comprising a main body mounted on a sliding door, a stopper having a shaft hole formed at a center thereof in a through hole of the main body, A pair of upper and lower brackets coupled to the upper and lower fixing shafts and having a latching rib and a returning rib, a coil spring for assisting rotation of the latch, a rotating body that is operated by being inserted into the shaft hole of the stopper, A cover having a pin, a cover closing the opening portion of the body, and a hooking portion mounted on the door frame so as to fix the door when the latching rib of the latch is inserted; A guide pin is protruded from the upper and lower portions of the through-hole of the main body, and a guide hole is formed in the stopper so as to be linearly moved after being inserted into the guide pin; A coil spring interposed in a guide pin of the main body is provided to provide an elastic force when the stopper linearly moves; Wherein the shaft hole inner diameter of the stopper and the outer diameter of the rotating body are provided at two to three places where the engaging step is provided at one side and the spiral step is formed at the other side, A stepped upper and a lower engaging groove are formed in the latch, and upper and lower ends of the stopper come into contact with the upper and lower latching grooves; When the stopper is linearly moved backward and forward by the operation of each of the rotator operated by the artificial rotational force of the handle and the actuation of the latch by the help of the contact with the hook, the upper and lower ends of the stopper are engaged with the upper catching groove The latching rib of the latch is released from the latching opening to allow the door to be opened. When the upper and lower ends of the stopper are positioned in the upper latching groove of the latch, the latching rib of the latching latch is inserted into the latching opening to maintain the locked state of the door It can be a technical feature.

According to the present invention, when the rotating body is rotated by the operation of the handle, when the spiral end of the rotating body rotating by the small force is changed to the linear motion pushing the spiral end of the stopper, the upper and lower ends of the stopper are engaged Since the door can be easily opened by the operation of the stopper due to the small rotation of the rotating body, the rotation angle of the handle for operating the rotating body, which is the direction of action of the force, Since it is closer to the horizontal direction than the conventional one, convenience for minimizing energy consumption required to open the moving door is provided, and its structure is simple, which is easy to manufacture and assemble, which is very economical.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a partially exploded perspective view showing a state of engagement of a door lock device according to the present invention; FIG.
2 is a perspective view of the door locking device according to the present invention in detail.
3 is a sectional view showing an operating state of the door locking device according to the present invention.
4 is a perspective view showing an operation state of a stopper and a stopper of a door locking device according to the present invention.

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

1 and 2 are perspective views of a door lock device according to the embodiment of the present invention. Fig. 1 is a main body, 2 is a stopper, 3 is a latch, 4 is a coil spring, 5 is a rotating body, A handle 7, a hanger 7, and a coil spring 8.

As shown in the drawings, the door locking device of the present invention includes a main body 1 mounted on a sliding door, a stopper 2 formed at the center of a shaft hole 21 coinciding with the through hole 11 of the main body 1, And a pair of upper and lower brackets 3 (not shown) formed on the upper and lower fixing shafts 12 of the main body 1 so as to be rotated into a locked state or a stopped state by the operation of the stopper 2 and formed with the locking ribs 31 and the return ribs 32 A coil spring 4 for assisting the rotation of the latch 3, a rotating body 5 which is engaged with the shaft hole 21 of the stopper 2, A cover (13) for closing the opening portion of the main body (1), and a latching rib (31) of the latch (3) And a hanger 7 mounted on a door frame (not shown) for fixing the door shown in the figure. In a more detailed configuration and basic operation thereof, The description of which will be omitted.

The key technology of the present invention is to provide a stopper 2 for controlling the locking or unlocking state of the latch 3 and a rotating body 5 for operating the stopper 2, So that the stopper 2 can easily release the locked state of the latch 3 even at a small rotation angle of the door handle 6. [

That is, when the rotational force by the small rotational angle of the door handle 6 is transmitted to the rotational body 5, the rotational body 5 converts the stopper 2 into a linear motion to easily release the engaged state of the rotational body 3 .

A guide pin 14 is protruded from the upper and lower portions of the through hole 11 of the main body 1 so that the stopper 2 can linearly move, The guide hole 24 is drilled in the stopper 2 so as to be able to move.

The coil spring 8 is mounted on the guide pin 14 of the main body 1 so as to provide an elastic force when the stopper 2 linearly moves and to move forward and backward.

In order to convert the rotational motion of the rotating body 5 into the linear motion of the stopper 2, the inner diameter of the shaft hole 21 of the stopper 2 and the outer diameter of the rotating body 5 have hooking ends 22, 52 are provided on the other side and the concavo-convex portions formed with the spiral ends 23, 53 are provided in two to three places so as to be brought into mutual contact. The engaging end 22 of the stopper 2 and the engaging end 52 of the rotating body 5 come into mutual contact when the force acting on the handle 6 is actuated in the closing direction of the door, The spiral end 23 of the stopper 2 and the rotating body 5 of the stopper 2 act as a force for closing the door, The spiral end 53 of the rotating body 5 is engaged with the spiral end 23 of the stopper 2 when the force of the handle 6 is operated in the opening direction of the door So as to release the latching state of the latch 3 so that the door is opened when the stopper 2 is operated in a linear motion by the rotational force of the rotating body 5. [

The upper and lower ends 25 of the stopper 2 are engaged with the stepped upper and lower latching grooves 33 and 33 'so that the stopper 2 can rotate or stop the latch 3, ). The lower latching groove 33 'of the latch 3 stops the rotation of the latch 3 when the upper and lower ends 25 of the stopper 2 are in contact with each other to prevent the opening of the door The upper latching groove 33 of the latch 3 rotates in order to open the door so that the latching rib 31 of the latch 3 is released from the latching hole 7 and the stopper 2 And the upper and lower ends 25 of the door are in contact with each other.

4 and the upper and lower ends 25 of the stopper 2 are shifted out of the depth T of the lower engaging groove 33 'of the fastener 3, By adjusting the inclination of the thread pitch angle of the step 23 and the helical end 53 of the rotating body 5. That is, when the screw pitch angle of the helical end 23 of the stopper 2 and the helical end 53 of the rotating body 5 is increased, the rotational angle of the handle 6 and the rotating body 5 becomes smaller, 2 and 3, the rotational angle of the handle 6 and the rotating body 5 is increased by reducing the thread pitch angle of the helical end 23 of the handle 5 and the helical end 53 of the rotating body 5. In the present invention, The spiral end 23 of the stopper 2 and the rotating body 5 of the stopper 2 can be operated so that the rotation angle [alpha] of the handle 6 is less than [ The thread pitch angle of the helical end 53 of the helical spring 53 is preferably set.

3 and 4, an operation process of releasing the latching state of the latch 3 and opening the door smoothly by the action of a minimum rotation angle and a small force of the handle 6 according to the present invention will be described below .

First, as shown in Figs. 3 (A) and 4 (A), a state in which the latching rib 21 of the latch 3 is fitted in the latching hole 7 is a locked state of the door. In this state, when the handle 6 is operated at an angle of 20 to 30 degrees with respect to the door 6 in the opening direction of the door as shown in FIG. 3 (B), the handle 6 The rotation of the spiral end 53 of the rotating body 5 is changed into a straight line pushing the spiral end 23 of the stopper 2 The upper and lower ends 5 of the stopper 2 are pushed back and the upper and lower ends 5 of the stopper 2 pushed rearward are engaged with the lower catch 5 of the latch 3 shown in Fig. Out of the depth T of the groove 33 '.

As described above, when the upper and lower ends 5 of the stopper 2 are out of the depth T of the lower latching groove 33 'of the latch 3 shown in Fig. 4 (A) The upper and lower ends 5 of the stopper 2 are positioned in the upper engagement grooves 33 of the fastener 3 and the engagement grooves 33 of the fastener ribs 6 are positioned at the same time, (B) and Fig. 4 (B) in which the door 21 can be released from the hanger 7 and the door can be opened.

Next, when the handle 6 is held in the closing direction of the door to close the opened door, the engaging end 52 of the rotating body 5 and the engaging end 22 of the stopper 2 contact each other, Since the rotation of the handle 6 is also stopped due to the stop of the movement, the force acting on the handle 6 is used as it is for the movement of the door.

When the door is then closed by applying a force to the handle 6, when the return lever 32 of the latch 3 comes into contact with the latch 7 as shown in FIG. 3B, the force acts on the latch 3 When the lower latching groove 33 'of the latch 3 reaches the position of the upper and lower ends 25 of the stopper 2 as shown in FIG. 3A by the rotation of the latch 3 The stopper 2 is linearly moved forward by the elastic force of the coil spring 4 so that the upper and lower ends 25 of the stopper 2 are fitted into the lower engaging groove 33 ' 3 is fitted in the hooking hole 7 and remains in the locked state.

Therefore, the present invention is characterized in that the rotation of the rotating body 5, which is operated with the artificial rotational force of the handle 6 for opening the door, and the rotation of the latch 3, which is rotated and returned by the help of the contact of the hook 7, When the upper and lower ends 25 of the stopper 2 are positioned in the upper engagement grooves 33 of the latch 3 when the stopper 2 linearly moves backward and forward by the operation of the stopper 2, When the upper and lower ends 25 of the stopper 2 are positioned in the upper latching groove 33 of the latch 3, the ribs 32 are released from the latching openings 7, 3 of the handle 6 are fitted into the hooking hole 7 so as to maintain the locked state of the door and the rotation angle? Of the handle 6 can be made smaller than the conventional handle rotation angle, The force applied to the door 6 is transmitted in the direction of opening and closing the door so that the door can be easily opened and closed.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. Accordingly, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims.

1: Body 11: Through hole
12: fixed shaft 13: cover
14: Guide pin 2: Stopper
21: shaft hole 22: helical end
23: Retaining end 24: Guide hole
25: Upper / lower 3: Brackets
31: Retaining rib 32: Retraction rib
33: upper latching groove 33 ': lower latching groove
4: coil spring 5: rotating body
51: square hole 52:
53: spiral end 6: handle
61: Operation pin 7: Hook
8: coil spring

Claims (1)

A stopper 2 formed at the center of a shaft hole 21 coinciding with the through hole 11 of the main body 1; A pair of upper and lower brackets 3 which are coupled to the upper and lower fixing shafts 12 of the main body 1 so as to be rotated so as to form a locking rib 31 and a returning rib 32 and a coil spring A handle 5 having an operating pin 61 which is engaged with a rectangular hole 51 of the rotating body 5 and a rotating body 5 which is engaged with the shaft hole 21 of the stopper 2, A cover 13 for closing the opening of the main body 1 and a hook 7 mounted on the door frame so as to fix the door when the latching rib 31 of the latch 3 is inserted, The door locking device according to claim 1,
A guide pin 14 is protruded from the upper and lower portions of the through hole 11 of the main body 1 and a guide hole 24 is formed in the stopper 2 so as to be linearly moved after being inserted into the guide pin 14 Perforated;
A coil spring 8 interposed in the guide pin 14 of the main body 1 is provided to provide an elastic force when the stopper 2 linearly moves;
The inner diameter of the shaft hole 21 of the stopper 2 and the outer diameter of the rotating body 5 are provided with engaging ends 22 and 52 on one side and two or three convex and concave portions 23 and 53 on the other side, So as to be brought into mutual contact;
The upper and lower ends 25 and 25 of the stopper 2 are brought into contact with the upper and lower latching grooves 33 and 33 'by forming the stepped upper and lower latching grooves 33 and 33';
The rotation of the rotating body 5 operated by the rotational force of the handle 6 and the operation of the latch 3 returning to the rotation caused by the contact of the hook 7 make the stopper 2 move backward and forward When the upper and lower ends 25 of the stopper 2 are positioned in the upper latching groove 33 of the latch 3 when the linear motion is performed, the latching rib 32 of the latch 3 is released from the latching hole 7, When the upper and lower ends 25 of the stopper 2 are positioned in the upper latching grooves 33 of the latch 3, the latching ribs 32 of the latch 3 are inserted into the latching holes 7 So as to maintain the locked state of the door.
KR1020150060427A 2015-04-29 2015-04-29 device for closing a door KR101637930B1 (en)

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KR1020150060427A KR101637930B1 (en) 2015-04-29 2015-04-29 device for closing a door

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101822342B1 (en) * 2017-10-27 2018-01-25 김영선 Locking Apparatus of Sliding Door
KR101988958B1 (en) * 2018-01-29 2019-09-30 주식회사 오토앤로봇 Apparatus powerlock for sliding door

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200386690Y1 (en) 2005-03-24 2005-06-16 주식회사 3지테크놀러지 Structure to support fastening device of fittings
KR200409014Y1 (en) 2005-12-02 2006-02-22 이판대 An auto locking device for windows
KR200427845Y1 (en) * 2006-07-21 2006-09-29 에이스이노텍 주식회사 locking device of sliding type window
KR200433867Y1 (en) 2006-09-22 2006-12-13 주식회사 대현상공 A locking device for opening and shutting windows
KR100911950B1 (en) 2008-01-24 2009-08-13 (주)명진 A self-acting catch for a door
KR20090118841A (en) * 2008-05-13 2009-11-18 (주)성림금속 Autolocking device of sliding door
KR20110006082A (en) * 2009-07-13 2011-01-20 서현장 Apparatus for locking door

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200386690Y1 (en) 2005-03-24 2005-06-16 주식회사 3지테크놀러지 Structure to support fastening device of fittings
KR200409014Y1 (en) 2005-12-02 2006-02-22 이판대 An auto locking device for windows
KR200427845Y1 (en) * 2006-07-21 2006-09-29 에이스이노텍 주식회사 locking device of sliding type window
KR200433867Y1 (en) 2006-09-22 2006-12-13 주식회사 대현상공 A locking device for opening and shutting windows
KR100911950B1 (en) 2008-01-24 2009-08-13 (주)명진 A self-acting catch for a door
KR20090118841A (en) * 2008-05-13 2009-11-18 (주)성림금속 Autolocking device of sliding door
KR20110006082A (en) * 2009-07-13 2011-01-20 서현장 Apparatus for locking door

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101822342B1 (en) * 2017-10-27 2018-01-25 김영선 Locking Apparatus of Sliding Door
KR101988958B1 (en) * 2018-01-29 2019-09-30 주식회사 오토앤로봇 Apparatus powerlock for sliding door

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