KR101654922B1

KR101654922B1 - Semi-automatic Opening and Closing Device of Sliding Door

Info

Publication number: KR101654922B1
Application number: KR1020160003091A
Authority: KR
Inventors: 박조흠
Original assignee: 주식회사 다인스
Priority date: 2016-01-11
Filing date: 2016-01-11
Publication date: 2016-09-07

Abstract

The present invention relates to a semi-automatic opening and closing device of a sliding door. The semi-automatic opening and closing device of a sliding door having a guide rail mounted on an upper surface and a lower surface of a furniture body having a storage space, a sliding door installed to be moved along the guide rail to open and close the front surface of the furniture body, and a roller fixing bracket installed on an upper side and a lower side of the sliding door comprises: a wire wherein one end thereof is fixed to one surface of the furniture body in a direction where the sliding door is opened, and the other end thereof is connected to the roller fixing bracket to pull the sliding door in a direction where the sliding door is closed while the sliding door is opened; a constant door speed maintaining unit consisting of a multi-step idle roller to maintain a constant moving speed of the sliding door by allowing a middle portion of the wire to penetrate therethrough; a door returning member disposed on the middle portion or one end of the wire to provide elasticity to pull the sliding door from an opened position to a closed position; and a locking means disposed on a middle portion of the furniture body to come in contact with the sliding door to temporarily stop the sliding door on the closed position or the opened position of the sliding door. The sliding door can be closed semi-automatically. The door can be maintained in an opened state when storing or removing an article from the furniture body. The article can be conveniently stored and withdrawn while the sliding door is opened.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a semi-automatic opening and closing device for a sliding door,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a semiautomatic opening and closing apparatus for a sliding door, and more particularly, to a semiautomatic opening and closing apparatus for a sliding door which automatically closes a sliding door by applying a force to the door while keeping the sliding door open .

In general, doors of furniture such as dressers and the like widely used in the home are mostly hinged doors that are assembled in a hinged interior of a dresser, and the door is opened and closed forward.

Since the door of the hinged door is opened to the front, it occupies a certain space in front of the door, and as a result, there is a disadvantage in that it is very weak in terms of space utilization in the room.

In addition, in the case of a door of a hinged door, it is difficult to apply a heavy metal door due to its structure being supported by a hinge that is vulnerable to a load, and thus there are disadvantages in applying various kinds of doors to furniture have.

In recent years, a sliding door for opening and closing a door by a sliding method has been widely used, which improves the disadvantages of the door of the hinged type.

The sliding door may be opened or closed by pushing or pulling the sliding door in one direction. The door may be provided with a roller assembly on the upper and lower sides of the door, a rail for guiding movement of the upper and lower roller assemblies, In one direction by pushing or pulling open and close.

The roller assembly for guiding the opening and closing operation of the sliding door includes means for adjusting the height of the door, means for positioning the door, means for preventing the intersection between the inner door and the outer door, A user is provided with a means for giving convenience of operation and convenience in handling the opening and closing of the door.

Further, the furniture adopting the sliding door is provided with the stopper means for relieving the impact when the door is closed so that the closing operation of the door can be performed more smoothly.

FIG. 1 is an exploded perspective view of a conventional sliding door, and FIG. 2 is a plan view of a conventional sliding door coupled to a top frame.

1 and 2, a sliding door is installed on a front surface of a furniture main body 200 so that a sliding door 210 can be opened and closed, and a guide rail 110 is installed on a top surface and a bottom surface of the furniture main body 200, And the upper surface guide rail 110 is provided on the upper side of the sliding door 210 to be opened or closed.

The guide rail 110 is formed with a rail groove 112 in which a curved section formed on both sides of the guide rail 110 is curved rearward and a straight section formed by a straight line formed in the center of the guide rail 110.

A vertical conveying roller 122 is installed on the upper connection frame 120 of the sliding door 210 and the sliding door 210 is opened and closed as the sliding door 210 is moved .

For example, Patent Document 1 below discloses a sliding door opening / closing apparatus.

The sliding door door opening / closing apparatus according to Patent Document 1 described below is provided with a rail frame mounted on an upper surface and a lower surface of a furniture so as to open / close a sliding door which is installed on a front surface of furniture having a storage space, An upper connecting frame slidable along both sides of the rail groove formed on both sides of the frame, a front and rear conveying means for sliding the door along the rail grooves formed on both sides of the lower rail frame, Wherein the front and rear conveying means includes a guide rail which is horizontally moved by a horizontal conveying roller inserted in a guide groove formed in a bottom rail frame, Is conveyed forward and backward by a conveying roll by line contact on the rails, And a transfer body formed with a vertical transfer roller that is moved along the rail groove and mounted on the lower mounting frame.

The following Patent Document 2 discloses a " variable traveling device for a sliding door for furniture ".

The driving path variable device for a furniture sliding door according to the following Patent Document 2 is a sliding device for sliding doors of a door in order to cover a storage space of furniture and is provided on the upper surface of the furniture in a width direction, A slider coupled to the upper end of each door so as to be slidably supported by the pair of doors, the slider being installed on the rail, the doors being supported by the slider, And a variable member having a carrier provided at an intersection with the rail so that the leading roller provided on the slider is released from the track of the rail when the closed position is reached and enters the stop position by an artificial operation.

Korean Patent Registration No. 10-1180469 (registered on August 31, 2012) Korean Utility Model Registration No. 20-0411166 (registered on March 6, 2006)

However, although the sliding door according to the related art can be freely opened and closed as the user moves the sliding door, the user can not keep the sliding door temporarily opened, and a plurality of contents There is a problem in that the sliding door can not be kept in the open locked state.

SUMMARY OF THE INVENTION An object of the present invention is to provide a semi-automatic opening / closing apparatus for a sliding door capable of maintaining a sliding state of a sliding door temporarily opened when needed.

Another object of the present invention is to provide a semi-automatic opening / closing apparatus for a sliding door which is automatically closed as a user pushes the sliding door.

According to an aspect of the present invention, there is provided a semi-automatic opening / closing apparatus for a sliding door, comprising: a guide rail mounted on an upper surface and a lower surface of a furniture main body having a storage space; A sliding door provided so as to be movable along the rail and a roller fixing bracket provided on upper and lower sides of the sliding door so as to be movable along the guide rail, And the other end is connected to the roller fixing bracket and pulls the sliding door in a direction in which the sliding door is closed when the sliding door is opened; A door constant-speed maintaining unit comprising a multi-stage idle roller for maintaining the moving speed of the sliding door at a constant speed through the intermediate portion of the wire; A door returning member provided at the middle or one end of the wire to provide elasticity to pull the sliding door from the opened position to the closed position; And locking means provided at an intermediate portion of the furniture body so as to be able to contact the sliding door to temporarily stop the sliding door at a closing position or an opening position of the sliding door.

The locking means is composed of a permanent magnet provided at a corresponding position of the roller fixing bracket at an opening position and a closing position of the sliding door and attached to the roller fixing bracket.

The locking means includes: a working rod rotatably fixed to the sliding door; A fixing bracket fixed to an upper surface of the furniture body; A first guide surface formed at one side of the fixing bracket so as to be inclined at a predetermined angle so that the actuating rod is moved to the upper surface of the fixing bracket; A rotation lever rotatably installed on the fixing bracket so as to catch the operation rod; A second guide surface formed on the other side of the fixing bracket such that the actuating rod is lowered and sloped to be locked to the fixing bracket; And a spring installed between the fixing bracket and the rotation lever to apply elastic force to the rotation lever.

And the fixing bracket includes a stopper fixed to maintain the rotation lever in a vertically erected state.

Wherein the operating rod is rotatably installed on the sliding door; And a stopper fixed to the sliding door to maintain the operation rod at an appropriate height.

As described above, according to the semi-automatic opening / closing apparatus for a sliding door according to the present invention, the sliding door can be kept open when the furniture is to be stored or taken out of the furniture body. The sliding door can be automatically closed by the elastic force of the door returning member if the sliding door is tucked in the direction in which the sliding door is closed when the sliding door is closed. The closure operation is performed at a constant speed not excessively fast, so that the closure can be always performed with a sense of stability.

1 is an exploded perspective view showing a conventional sliding door,
FIG. 2 is a plan view of a state in which the upper portion of the conventional sliding door is coupled to the upper frame;
3 is a block diagram of a semiautomatic opening / closing device of a sliding door according to a preferred embodiment of the present invention.
4 is an operation diagram of the semi-automatic opening / closing apparatus of the sliding door shown in FIG.
5 is a perspective view illustrating a locking means of a semi-automatic opening / closing device of a sliding door according to another embodiment of the present invention.
6 is a configuration diagram of a semiautomatic opening and closing apparatus of a sliding door to which the locking means of the example of FIG. 5 is applied;
7 is an operational view of the sliding door semiautomatic opening / closing apparatus of FIG. 5;

Hereinafter, a semiautomatic opening / closing apparatus for a sliding door according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

3 is a block diagram of a semiautomatic opening / closing apparatus for a sliding door according to a preferred embodiment of the present invention, and FIG. 4 is an operation diagram of the semiautomatic opening and closing apparatus of the sliding door shown in FIG.

A semi-automatic opening and closing apparatus for a sliding door according to a preferred embodiment of the present invention includes guide rails 110 mounted on upper and lower surfaces of a furniture main body 200 having a storage space, A sliding door 210 installed to be movable along the guide rail 110 so that the sliding door 210 rotatably supports the guide roller 221, And a roller fixing bracket (210) provided on the upper side and the lower side, respectively, of the sliding door (210)

A wire 160 for pulling the sliding door 210 in a closing direction while the sliding door 210 is opened, a door constant speed maintaining unit 130 for maintaining the moving speed of the sliding door 210 at a constant speed, A door returning member 161 for providing elasticity to pull the sliding door 210 to a position where it is closed at an opened position and a door returning member 161 for pausing the sliding door 210 at a closing position or an opening position of the sliding door 210, (20).

The semi-automatic opening / closing apparatus of the sliding door according to the embodiment of the present invention temporarily stops the sliding door 210 in the opened state and automatically closes if a slight pressure is applied in the closing direction. The first sliding door 211 and the second sliding door 212 are exemplified, and the sliding door 201 may be composed of only one.

When two sliding doors 210 are formed, the two sliding doors 210 are manually opened, and when one of the two sliding doors 210 is opened, the user tries to close the sliding door 210 To be automatically closed as it is pushed in the direction.

The sliding door 210 is installed on the front side of the furniture main body 200 and includes a first sliding door 211 installed on one side of the furniture main body 200 and a second sliding door 211 installed on the other side of the furniture main body 200 And a second sliding door 212 which is provided on the front side.

The first sliding door 211 and the second sliding door 212 are provided with roller fixing brackets 220 having rollers 221 so as to be movable along the guide rails 110. The roller fixing brackets 220 1 fixing bracket 223 and a second fixing bracket 224.

The door 160 and the door returning member 210 are provided on one side of the furniture main body 200 so as to provide an elastic force in a direction in which the sliding door 210 is closed when the sliding door 210 is opened, One end of the wire 160 is fixed to one side of the furniture main body 200 in a direction in which the sliding door 210 is opened and the other end of the wire 160 is connected to the sliding door 210, The other end of the wire 160 is fixed to the first fixing bracket 223 of the roller fixing bracket 220 and a door returning member 161 formed of a spring is formed in the middle of the wire 160 or at one end of the wire 160 .

The door constant speed unit 130 is composed of a plurality of idle rollers 13 so as to maintain the moving speed of the sliding door 210 at a constant speed through the intermediate portion of the wire 160.

The locking means 20 is provided at a middle portion of the furniture body 200 so as to be in contact with the sliding door 210 so as to pause the sliding door 210 at a closed position or an open position of the sliding door 210 (223) provided at a corresponding position of the first fixing bracket (223) and the second fixing bracket (224) at an opening position and a closing position of the sliding door (210) 224 and a permanent magnet 29 attached thereto.

When the first sliding door 211 or the second sliding door 212 is manually opened, the semiautomatic opening and closing apparatus of the sliding door according to the preferred embodiment of the present invention is configured such that when each of the sliding doors 211 and 212 is opened The rollers 221 provided in the fixing brackets 223 and 224 move along the guide rails 110 to perform a smooth opening and closing operation. At the point where the sliding doors 211 and 212 are fully opened, The first fixing bracket 222 of the doors 211 and 212 can be attached to the permanent magnet 29 to maintain the opened state.

At the same time, the wire 160 connected to the first fixing bracket 223 of each of the sliding doors 211 and 212 is pulled by the opening of each of the sliding doors 211 and 212, The door returning member 161 made of a spring is stretched in a state of holding the elastic force as the wire 160 is pulled.

Therefore, by temporarily stopping the sliding doors 211 and 212 in an open state, the user can easily store the articles in the furniture main body 200 or take out the stored articles.

When the sliding doors 211 and 212 are opened and the user closes the sliding doors 211 and 212 with a slight pressure in the closing direction, The first holding bracket 223 released from the permanent magnet 29 can be released from the force holding the sliding doors 211 and 212. At this time, due to the elastic force of the door returning member 161 The sliding doors 211 and 212 can be automatically moved to their original positions.

At this time, if the moving speed of each of the sliding doors 211 and 212 is too high, a great impact and noise may be generated at the time when each of the sliding doors 211 and 212 is closed. The intermediate portion of the wire 160 is connected to the idler roller 13 at the middle of the sliding door 211 and the intermediate portion of the wire 160 when the sliding doors 211 and 212 are moved. The sliding doors 211 and 212 are automatically decelerated at a speed that is not excessively applied to the sliding doors 211 and 212. Therefore, So that the closing operation can be smoothly performed at low speed without difficulty.

The second fixing bracket 224 of each of the sliding doors 211 and 212 is attached to the permanent magnet 29 at a position where the sliding doors 211 and 212 are closed so that a separate force It is possible to maintain the closed state unless it is applied.

Therefore, according to the preferred embodiment of the present invention, the sliding door 211 or 212 can be kept opened when the furniture body 200 is to be stored or taken out, so that the sliding door 211 or 212 is opened When the sliding door 211 or 212 is tucked in the direction of closing the sliding door 211 or 212 in the opened state, the sliding door 211 or 212 is automatically opened by the elastic force of the door returning member 161, And the closing operation is performed at a constant speed not excessively fast by the door constant speed holding unit 130 in the process of closing the sliding door 211 or 212 so that the door can be closed with a stable feeling at all times.

Meanwhile, the locking means 20 for temporarily stopping the sliding doors 211 and 212 in the opened state can be configured in various forms. Hereinafter, referring to FIGS. 5 to 7, A semiautomatic opening / closing device of the sliding door will be described.

FIG. 5 is a perspective view showing a locking means of a semi-automatic opening / closing apparatus of a sliding door according to another embodiment of the present invention, FIG. 6 is a diagram showing the construction of a semi-automatic opening / closing apparatus of a sliding door, 5 is an operation diagram of the sliding door semiautomatic opening / closing apparatus shown in FIG.

The sliding door 210 is horizontally provided with a working rod 14 having a predetermined length.

The operating rod 14 is rotatably mounted on a fixed rod 15 fixed to each of the sliding doors 211 and 212 in an inclined manner and one end of the fixed rod 15 is rotatably supported by the first sliding door 211 And the operating rod 14 is rotatably installed at the other end of the fixed rod 15. [

The stopper 17 is fixed to each of the sliding doors 211 and 212 so that the fixing rod 15 is not lowered from the proper position. That is, the stopper 17 is fixed so that the operating rod 14 maintains an appropriate height.

The operating rod 14 is rotatably installed so as to be lifted along the first guide surface 22 of the locking means 20 and lowered along the second guide surface 25.

On the upper surface of the furniture main body 200, a locking means 20 for keeping the sliding doors 211 and 212 in an opened state is provided. The locking means 20 includes a fixing bracket 21 and a rotation lever 23 rotatably mounted on the fixing bracket 21. [

The first bracket 21 is provided at a position spaced apart from the first bracket 21 by a predetermined distance and the first guide surface 22 is inclined so that the operating rod 14 is lifted at one side of the bracket 21, A second guide surface 24 is formed at an end of the upper surface 23 so that the operating rod 14 is lowered.

The first guide surface 22 and the second guide surface 24 are inclined at a predetermined angle and the end surface of the second guide surface 24 is formed with an engagement surface 25 vertically.

The fixing bracket 21 is rotatably provided with a rotation lever 26. The rotation lever 26 is formed in a substantially "b" shape so as to engage with the operating rod 14, And a stopper 27 for supporting the rotation lever 26 is installed on one side.

A spring (28) is provided on the locking means (20) to apply a resilient force to the rotation lever (26). The spring 28 is installed such that the rotary lever 26 is resilient when returned to its original position and the spring 28 is installed lower than the rotational height of the rotary lever 26 to maintain the rotary lever 26 in the locked state. do.

The semi-automatic opening / closing device of the sliding door according to another embodiment of the present invention configured as described above operates as follows.

The semiautomatic opening and closing apparatus of the sliding door according to the other embodiment of the present invention manually opens the first sliding door 211 and the second sliding door 212 and each of the sliding doors 211, And is automatically closed by the elastic force of the spring 161.

The sliding doors 211 and 212 move the rollers 221 provided on the fixing brackets 223 and 224 along the guide rails 110 and move the sliding rods 211 to the sliding doors 211, (212).

The operating rod 14 moves to the position of the locking means 20 and comes into contact with the locking means 20. The operating rod 14 first comes into contact with the first guiding surface 22 formed to be inclined, And comes into contact with the rotary lever 26 along the upper surface 23 connected to the first guide surface 22.

When the working rod 14 is caught by the rotating lever 26, the rotating lever 26 is rotated by the movement of the working rod 14 and the working rod 14 is rotated by its own weight and gravity, The second guiding surface 24 is moved downward.

The operating rod 14 continues to move along the second guide surface 24 and is caught by the engaging surface 25 formed perpendicularly to the second guide surface 24. When the operating rod 14 is caught by the engaging surface 25 When the user releases the force to move the sliding doors 211 and 212, the sliding doors 211 and 212 are elastically received by the door returning member 161 in the closing direction, So that the sliding doors 211 and 212 are kept in the open state.

In this way, the user can store the goods inside the furniture body 200 or take out the stored goods in a state where the sliding doors 211 and 212 are kept open by the locking means 20, It becomes very convenient.

In addition, the user can automatically close the sliding doors 211 and 212 in the opened state. In order to close the opened sliding doors 211 and 212, the user may slightly open the sliding doors 211 and 212 in the closing direction The rotation lever 26 is rotated in the direction opposite to the opening direction by the minute force and at the same time the engagement position of the engagement rod 14 is released, The force that has been lifted from the first guide surface 25 along the second guide surface 24 and holding the sliding doors 211 and 212 can be released completely.

When the force holding the sliding doors 211 and 212 is released completely because the elastic force by the door return member 161 is continuously applied to the sliding doors 211 and 212, Is moved in the direction to be closed by the elastic force.

Therefore, the sliding doors 211 and 212 that have been opened automatically close the touch of the light user of the user even if the user does not apply a large force, thereby improving convenience in use.

Although the present invention has been described in detail with reference to the above embodiments, it is needless to say that the present invention is not limited to the above-described embodiments, and various modifications may be made without departing from the spirit of the present invention.

13: idler roller 14: working rod
15: Fixing rod 17: Stopper
20: Locking means 21: Fixing bracket
22: first guide surface 23: upper surface
24: second guide surface 25: engaging surface
26: rotation lever 27: stopper
28: Spring 29: permanent magnet
130: Door constant-speed maintaining unit 160: Wire
161: door return member 200:
210: sliding door 211: first sliding door
212: second sliding door 220: roller fixing bracket
221: guide roller 223: first fixing bracket
224: second fixing bracket

Claims

A sliding door installed to be movable along the guide rail so as to open and close the front surface of the furniture main body, a sliding door which is movable along the guide rail, And a roller fixing bracket provided on the upper side and the lower side, respectively, of the sliding door,
A wire having one end fixed to one side of the furniture body in an opening direction of the sliding door and the other end connected to the roller fixing bracket to pull the sliding door in a closing direction in a state that the sliding door is opened;
A door constant-speed maintaining unit comprising a multi-stage idle roller for maintaining the moving speed of the sliding door at a constant speed through the intermediate portion of the wire;
A door returning member provided at the middle or one end of the wire to provide elasticity to pull the sliding door from the opened position to the closed position; And
A locking means provided at an intermediate portion of the furniture body so as to be able to contact the sliding door to temporarily stop the sliding door at a closing position or an opening position of the sliding door;
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Wherein the locking means comprises:
A working rod rotatably fixed to the sliding door;
A fixing bracket fixed to an upper surface of the furniture body;
A first guide surface formed at one side of the fixing bracket so as to be inclined at a predetermined angle so that the actuating rod is moved to the upper surface of the fixing bracket;
A rotation lever rotatably installed on the fixing bracket so as to catch the operation rod;
A second guide surface formed on the other side of the fixing bracket such that the actuating rod is lowered and sloped to be locked to the fixing bracket;
And a spring installed between the fixing bracket and the rotation lever to apply elastic force to the rotation lever.

The method according to claim 1,
Wherein the locking means comprises a permanent magnet provided at a corresponding position of the roller fixing bracket at an opening position and a closing position of the sliding door and attached to the roller fixing bracket.

delete

The method according to claim 1,
Wherein the fixing bracket includes a stopper fixed to maintain the rotation lever in a vertically erected state.

The method according to claim 1,
Wherein the operating rod is rotatably installed on the sliding door;
And a stopper fixed to the sliding door to maintain the operating rod at an appropriate height.