KR101654915B1 - Roller Brake for Sliding Door - Google Patents

Roller Brake for Sliding Door Download PDF

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Publication number
KR101654915B1
KR101654915B1 KR1020160020661A KR20160020661A KR101654915B1 KR 101654915 B1 KR101654915 B1 KR 101654915B1 KR 1020160020661 A KR1020160020661 A KR 1020160020661A KR 20160020661 A KR20160020661 A KR 20160020661A KR 101654915 B1 KR101654915 B1 KR 101654915B1
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KR
South Korea
Prior art keywords
sliding door
bracket
pair
roller
brackets
Prior art date
Application number
KR1020160020661A
Other languages
Korean (ko)
Inventor
박조흠
Original Assignee
주식회사 다인스
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 주식회사 다인스 filed Critical 주식회사 다인스
Priority to KR1020160020661A priority Critical patent/KR101654915B1/en
Application granted granted Critical
Publication of KR101654915B1 publication Critical patent/KR101654915B1/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/003—Braking devices, e.g. checks; Stops; Buffers for sliding wings
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
    • E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
    • E06B3/42—Sliding wings; Details of frames with respect to guiding
    • E06B3/46—Horizontally-sliding wings
    • E06B3/4636—Horizontally-sliding wings for doors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/20—Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore
    • E05Y2201/21—Brakes
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/20—Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore
    • E05Y2201/252—Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore characterised by type of friction
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/60—Mounting or coupling members; Accessories therefore
    • E05Y2600/626—Plates or brackets
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13—Application of doors, windows, wings or fittings thereof for buildings or parts thereof characterised by the type of wing
    • E05Y2900/132—Doors

Abstract

A roller brake for a sliding door, comprising: a pair of brackets symmetrically coupled to each other; A pair of fixed frames extending inwardly of the pair of brackets and rotatably coupled to the brackets; And a pair of rollers rotatably installed at the lower ends of the pair of brackets to reduce the moving speed of the sliding door so that the sliding door does not strongly collide with the door frame frame and the speed of the sliding door is reduced, It is possible to prevent an impact sound and a noise caused by the sliding door from occurring, as well as to prevent breakage or damage.

Description

Roller brake for sliding doors {Roller Brake for Sliding Door}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roller brake for a sliding door, and more particularly, to a roller brake for a sliding door that adjusts the moving speed of the sliding door so that the sliding door does not strongly collide against or collide against the door frame frame.

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 .

Such a sliding door moves the sliding door to increase the moving speed of the sliding door so that the sliding door hits the window frame, and there is a risk of damage due to the impact of the sliding door and the window frame. there was.

For example, a slide brake unit is disclosed in Patent Document 1 below.

The slide brake unit according to the following patent document 1 is attached to a slide hinge device which moves in a guide rail having a "b" shaped brake rail at the lower end thereof, and is stopped when the slide hinge device stops at the end portion or the wall of the guide rail A bracket having a bracket main hole formed on a front side thereof and a pair of bracket slots formed on a side thereof and having a bracket hole formed on a lower side of the bracket slot; A bumper rod which penetrates through the bracket main hole and is located inside the bracket and has a bumper mounted on the other side of the guide rail to hit the end or the wall of the guide rail, a spring installed on the bracket and the bumper rod, And the protrusion moving along the bracket slot is fixed A first brake plate protruding from the first horizontal plate to the inside of the bracket and having a first vertical plate integrally formed with the first vertical plate, A second horizontal plate protruding upward from the second horizontal plate and positioned between the bracket and the first vertical plate and having a second long hole formed therein, A first cam which is formed on the camshaft so as to be engaged with the first cam, and a second cam which is formed to face the first cam, A cam portion composed of a second cam that is engaged with the two holes; And a connecting lever fixed to the camshaft of the cam portion and hinged to the side of the rod fixing bracket.

Korea Patent Registration No. 10-0705286 (Registered on April 3, 2007) Korean Patent Registration No. 10-0873347 (registered on December 3, 2008)

However, in the slide brake unit according to the related art, the bumper and the bumper rod are buffered by the spring to mitigate the impact, but the moving speed of the sliding door can not be reduced and the sliding door hits the window frame at a high speed So that the sliding door is damaged.

SUMMARY OF THE INVENTION An object of the present invention is to provide a roller brake for a sliding door that decelerates a moving speed of a sliding door.

It is another object of the present invention to provide a roller brake for a sliding door that restricts the movement of the sliding door by adjusting the interval according to the width of the sliding door.

In order to achieve the above object, a roller brake for a sliding door according to the present invention comprises: a pair of brackets symmetrically coupled to each other; A pair of fixed frames extending inwardly of the pair of brackets and rotatably coupled to the brackets; And a pair of rollers rotatably installed at the lower ends of the pair of brackets, wherein the pair of rollers contact the both side surfaces of the sliding door in a pressurized state so that the moving speed of the sliding door is reduced .

And the bracket is provided with a gap adjusting unit for adjusting the gap between the pair of rollers.

Wherein the gap adjusting unit comprises: a spring provided between the pair of brackets so as to have elasticity; And an adjusting bolt fastened to the bracket of any one of the pair of brackets to adjust an interval of the spring.

The pair of brackets may include a first bracket integrally formed with a horizontal frame extending to one side thereof and having the first roller fixed thereto; A second bracket fixed to a second roller corresponding to the first roller, and movably coupled to the horizontal frame; A fixture fixed to the second bracket; And a bolt fastened to the fixture and the first bracket to adjust an interval of the second bracket.

As described above, according to the roller brakes for a sliding door according to the present invention, the moving speed of the sliding door is drastically reduced so that the sliding door does not strongly collide with the door frame frame, the speed of the sliding door is reduced, The impact sound and the noise caused by the sliding door are not generated, and damage or damage can be prevented.

1 is a three-dimensional view showing a roller brake for a sliding door according to a first preferred embodiment of the present invention,
FIG. 2 is a sectional view showing a roller brake for a sliding door according to a first preferred embodiment of the present invention, FIG.
3 is a three-dimensional view showing a state in which a roller brake for a sliding door is installed according to a first preferred embodiment of the present invention,
FIG. 4 is a three-dimensional view showing a roller brake for a sliding door according to a second preferred embodiment of the present invention,
5 is a schematic view showing a state before and after operation of a roller brake for a sliding door according to a second preferred embodiment of the present invention.

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

The roller brakes for a sliding door according to the preferred embodiment of the present invention include a pair of brackets 10 symmetrically coupled to each other, a pair of brackets 10 extending inwardly of the pair of brackets 10, And a pair of rollers 30 rotatably installed at the lower ends of the pair of brackets 10. The pair of rollers 30 is rotatably supported by the pair of brackets 10,

≪ Embodiment 1 >

FIG. 1 is a three-dimensional view showing a roller brake for a sliding door according to a first preferred embodiment of the present invention, and FIG. 2 is a sectional view showing a roller brake for a sliding door according to a first preferred embodiment of the present invention.

1 to 3, a roller brake for a sliding door according to a first embodiment of the present invention includes a pair of brackets 10 symmetrical to each other, a pair of brackets 10 symmetrically coupled to each other, A pair of rollers 30 provided below the pair of brackets 10 so as to reduce the moving speed of the sliding door, and a pair of rollers 30, And a gap adjusting unit (40) installed in the housing (10).

The pair of brackets 10 includes a first bracket 11 and a second bracket 12. The first bracket 11 and the second bracket 12 are symmetrical with respect to each other.

The pair of brackets 10 are formed with a stationary frame 20 protruding from a surface symmetrical to each other. The stationary frame 20 includes a first stationary frame 21 and a second stationary frame 22.

The first fixing frame 21 and the second fixing frame 22 are formed on mutually symmetrical surfaces of the first bracket 11 and the second bracket 12 and are fixed to the first fixing frame 21 and the second fixing The frame 22 is rotatably coupled about the fixing pin 23.

A roller 30 is provided below the bracket 10 to contact the sliding door (not shown) to reduce the moving speed. A first roller 31 is rotatably installed at a lower portion of the first bracket 11 and a second roller 32 is rotatably installed at a lower portion of the second bracket 12.

An interval adjusting unit 40 for adjusting the interval of the rollers 30 is provided on the bracket 10. The gap adjusting unit 40 is rotatably installed around the fixing pin 23 to adjust the gap between the first roller 31 and the second roller 32. [

A gap adjusting unit 40 for adjusting the distance between the rollers 30 is installed on the upper portion of the fixed frame 20. The spring 41 and the second bracket 12 are interposed between the first bracket 11 and the second bracket 12. [ And an adjustment bolt (42) for adjusting the distance between the first bracket (11) and the second bracket (12).

The spring 41 positions the first bracket 11 and the second bracket 12 in place and the adjustment bolt 42 adjusts the distance between the first bracket 11 and the second bracket 12 And fastened to the second bracket 12.

3 is a three-dimensional view showing a state in which a roller brake for a sliding door is installed according to a first preferred embodiment of the present invention.

1 to 3, a roller brake for a sliding door according to a first embodiment of the present invention is installed on one side of a door frame 1. That is, the roller brake is provided at the end side of the door frame 1 so as to reduce impact, noise, etc. applied to the door frame 1 when the sliding door 2 is moved.

3, the door frame 1 is provided with roller brakes, and the roller brakes are installed so as to be in close contact with both sides of the sliding door 2 so as to reduce the moving speed of the sliding door 2.

The roller brakes are appropriately adjusted according to the width of the sliding door 2 so as to reduce the moving speed of the sliding door 2. The roller 30 can adjust the moving speed of the sliding door 2 by adjusting the distance between the first roller 31 and the second roller 32. [

That is, when the adjusting bolt 42 provided on the upper portion of the bracket 10 is tightened, the gap between the first roller 31 and the second roller 32 is increased, The interval between the first roller 31 and the second roller 32 becomes narrow.

The distance between the first roller 31 and the second roller 32 is adjusted by adjusting the distance between the first bracket 11 and the second bracket 12.

The sliding door 2 is opened and closed by a user. The sliding door 2 is moved along a guide rail (not shown) provided on the door frame 1, and as the sliding door 2 is moved, .

The sliding door 2 reaches the roller brake before the sliding door 2 having the increased moving speed reaches the door frame 1. The sliding door 2 enters between the first roller 31 and the second roller 32 of the roller brake.

The sliding door 2 is moved between the first roller 31 and the second roller 32 while the sliding door 2 is inserted between the first roller 31 and the second roller 32 . Friction occurs between the sliding door 2 and the roller 30 as the sliding door 2 is sandwiched between the first roller 31 and the second roller 32.

On the other hand, the spring 41 of the interval adjusting unit 40 allows the first bracket 11 and the second bracket 12 to be retracted to place the first roller 31 and the second roller 32 in position .

When the interval between the first roller 31 and the second roller 32 is set to be narrow, the sliding door 2 abruptly reduces the moving speed of the sliding door 2 so that the sliding door 2 does not strongly collide with the door frame 1 .

That is, since the sliding door 2 is decelerated in speed and contacts the door frame 1, no impact noise or noise due to the sliding door 2 is not generated, and damage or damage is prevented.

≪ Embodiment 2 >

FIG. 4 is a three-dimensional view showing a roller brake for a sliding door according to a second preferred embodiment of the present invention, and FIG. 5 is a view showing a state before and after the operation of a roller brake for a sliding door according to a second preferred embodiment of the present invention Fig.

4, a roller brake for a sliding door according to a second embodiment of the present invention includes a first bracket 11 fixed to a door frame 1, a second bracket 11 movably coupled to the first bracket 11, A horizontal frame 13 horizontally formed on the first bracket 11, a second bracket 10 movably coupled to the horizontal frame 13, and a pair of second brackets 12, A first roller 31 mounted on the horizontal frame 11 and a second roller 32 mounted on the second bracket 21.

A horizontal frame 13 is formed at one side of the first bracket 11 and a second bracket 12 is movably coupled to the horizontal frame 13. The horizontal frame 13 is provided with a first roller 31 and the second bracket 12 is provided with a second roller 32.

The first roller 31 and the second roller 32 are installed in the horizontal frame 13 and the second bracket 12 respectively and the adjustment bolts 42 And the fixing bracket 14 to which the adjusting bolt 42 is fastened is fixed to the second bracket 12.

5 is a schematic view showing a state before and after operation of a roller brake for a sliding door according to a second preferred embodiment of the present invention.

As shown in FIG. 5, the second bracket 12 is moved along the fixture 14 as the adjusting bolt 42 is tightened or loosened, according to the second embodiment of the present invention.

That is, the second bracket 12 is spaced by the adjustment bolt 42, and the gap between the first roller 31 and the second roller 32 is also adjusted. The distance between the first roller 31 and the second roller 32 can be further reduced and the distance between the first roller 31 and the second roller 32 can be further reduced, The moving speed of the sliding door 2 can be reduced.

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.

10: bracket 11: first bracket
12: second bracket 13: horizontal frame
14: fixture 20: fixed frame
21: first fixed frame 22: second fixed frame
23: fixing pin 30: roller
31: first roller 32: second roller
40: Spacing adjustment fluid 41: Spring
42: Adjustment bolt

Claims (4)

A pair of brackets symmetrically coupled to each other;
A pair of fixed frames extending inwardly of the pair of brackets and rotatably coupled to the brackets;
And a pair of rollers rotatably installed at the lower ends of the pair of brackets,
Wherein the pair of rollers is in contact with both sides of the sliding door in a pressurized state so that the moving speed of the sliding door is reduced. The method according to claim 1,
Wherein the bracket is provided with a gap adjusting unit for adjusting a gap between the pair of rollers. 3. The method of claim 2,
Wherein the gap adjusting unit comprises: a spring provided between the pair of brackets so as to have elasticity;
And an adjustment bolt fastened to the bracket of any one of the pair of brackets so as to adjust an interval of the spring. The method according to claim 1,
Wherein the pair of brackets includes a first bracket integrally formed with a horizontal frame extending to one side thereof and having a first roller fixed thereto;
A second bracket fixed to a second roller corresponding to the first roller and movably coupled to the horizontal frame;
A fixture fixed to the second bracket;
And a bolt fastened to the fixture and the first bracket to adjust an interval of the second bracket.
KR1020160020661A 2016-02-22 2016-02-22 Roller Brake for Sliding Door KR101654915B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020160020661A KR101654915B1 (en) 2016-02-22 2016-02-22 Roller Brake for Sliding Door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020160020661A KR101654915B1 (en) 2016-02-22 2016-02-22 Roller Brake for Sliding Door

Publications (1)

Publication Number Publication Date
KR101654915B1 true KR101654915B1 (en) 2016-09-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020160020661A KR101654915B1 (en) 2016-02-22 2016-02-22 Roller Brake for Sliding Door

Country Status (1)

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KR (1) KR101654915B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102243061B1 (en) * 2020-05-04 2021-04-30 (주)동화엠피에스 Hinge and Furniture comprising the same

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010003886A (en) * 1999-06-25 2001-01-15 손홍 Safety device of door
JP2004084332A (en) * 2002-08-27 2004-03-18 Sigma Kk Sliding door device and braking device therefor
KR100705286B1 (en) 2005-07-14 2007-04-10 주식회사 그라스텍 A slide brake unit
KR100873347B1 (en) 2007-08-24 2008-12-11 조남기 Door brake

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010003886A (en) * 1999-06-25 2001-01-15 손홍 Safety device of door
JP2004084332A (en) * 2002-08-27 2004-03-18 Sigma Kk Sliding door device and braking device therefor
KR100705286B1 (en) 2005-07-14 2007-04-10 주식회사 그라스텍 A slide brake unit
KR100873347B1 (en) 2007-08-24 2008-12-11 조남기 Door brake

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102243061B1 (en) * 2020-05-04 2021-04-30 (주)동화엠피에스 Hinge and Furniture comprising the same

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