KR102496008B1 - A sliding device for a sliding door - Google Patents

Abstract

The present invention relates to a sliding device for a sliding door, and includes an upper roller portion installed at the upper inner and outer corners of a left door and a right door installed on the front side of a body having a storage space, and an upper roller portion installed on the upper side of the body so that the upper roller slides. A pair of rails are formed on the front and rear sides of the side, and when the door is opened, the left door along the front rail moves forward and the right door along the rear rail moves rearward and then slides. A pair of rails are formed on the front and rear sides of the lower side of the body so that when the door is opened, the left door moves forward along the front rail and the right door moves backward along the rear rail and then slides left and right. And, it is characterized in that the lower rail portion is composed of a lower roller portion installed at the lower inner and outer corners of the left door and the right door.

Description

Sliding device for a sliding door {A sliding device for a sliding door}

The present invention relates to a sliding device for a sliding door, and more particularly, sliding doors located in a straight line on the left and right sides are slid and overlapped so that the left and right doors move along the front and rear moving rails when the left and right doors are opened, so that the left and right sides can be moved without changing the length of the roller racket As the door can move forward and backward, the structure of the roller bracket is simple, so the productivity of the product is improved, and the durability of the product is improved even when used for a long time. The present invention relates to a sliding device for a sliding door that is easy to install because the height of the left and right doors can be easily adjusted only by rotating a nut.

In general, various doors are installed and used on the front of furniture to prevent objects stored in furniture such as a storage cabinet, bookshelf, or wardrobe that have a storage space and can be stored from outside.

These doors can be largely divided into casement type and sliding type depending on the opening and closing method. This casement type is a method in which the door is opened and closed while rotating around the hinge by a hinge fixed to the hinge. am.

The casement type as described above requires a space corresponding to the width of the door while the door rotates, and the sliding type forms rails as many as the number of doors and maintains the distance between the doors to prevent interference with each door. The household had to accommodate.

In order to compensate for the disadvantages of the opening and closing device of the sliding door as described above, a sliding door opening and closing device has been proposed as Korean Patent Registration No. 1180469.

The opening and closing device of the sliding door as described above allows the door to be opened and closed stably and smoothly with minimized frictional resistance when the door is moved forward and backward while sliding left and right, and the door can be moved forward and backward more stably.

However, the sliding door as described above had a complicated structure by installing a separate rail because the rail frame had to form a straight rail and a curved rail protruding forward in order for the door to be transported back and forth, and the doors on both sides were moved forward and backward while sliding Since both sides of the door could not be opened at the same time, the efficiency of the product deteriorated.

In view of these problems, Korean Patent Registration No. 1674346 has proposed a sliding device for a sliding door.

The sliding device can be opened while overlapping the front door and the rear door, thereby improving the efficiency of the product by opening and closing both doors at the same time.

However, the opening and closing device of the sliding door and the sliding device are configured so that each door overlaps as the roller love racket is tensioned and moves the door forward and backward. Thus, there is a problem in that durability is deteriorated due to deterioration of elasticity when used for a long time.

In addition, when the door is easily opened due to weak fixing force of the closed door, or when the door is closed, a buffering action is performed only at the top of the door, so that the door is frequently out of level due to long-term use.

Therefore, the present invention was made in view of the problems of the prior art as described above, and the structure of the roller bracket can be simplified by allowing the left and right sliding doors to move along the front and rear moving rails, thereby improving the durability and productivity of the product, and the roller Due to the various contact points of the door, the weight of the door is distributed and the sliding is smooth, and the height of the left and right doors can be adjusted only by rotating the nut, which makes it easy to install and prevents the left and right doors from being easily opened while they are closed. An object of the present invention is to provide a sliding device for a sliding door capable of maintaining the horizontality of the left and right doors for a long time by buffering at the upper and lower ends of the door.

In order to achieve the above object, the present invention provides an upper roller portion installed at the upper inner and outer corners of a left door and a right door installed on the front side of a body having a storage space, and an upper roller portion installed on the front and rear sides of the upper side of the body so that the upper roller portion slides. A pair of rails are formed so that when the door is opened, the left door along the front rail moves forward and the right door along the rear rail moves rearward and then slides, and the upper rail part formed to slide, and the position corresponding to the upper rail part A pair of rails are formed on the front and rear of the lower side of the body so that when the door is opened, the left door moves forward along the front rail and the right door moves backward along the rear rail and then slides left and right; It provides a sliding device for a sliding door, characterized in that the lower rail portion is composed of a lower roller portion installed at the lower inner and outer corners of the left door and the right door.

The upper roller unit inserts and forms an upper left and right outer roller racket in which vertical rollers, upper left and right outer rollers, are formed in the connecting body of the upper outer corner of the left and right doors, and the upper left and right ends of vertical rollers and horizontal rollers are formed in the connecting body of the upper inner corner of the left and right doors. Provided is a sliding device for a sliding door, characterized in that the inner roller rackets of the left and right upper ends where the inner rollers are formed are inserted and formed to cross each other so as to slide on the upper rail portion.

In addition, a moving groove having a moving ring is formed at the rear upper end of the connection body at the upper outer edge of the upper left door of the upper roller unit, and a part of the level nut is rotatably inserted into the moving groove, and the upper left outer side is inserted into the level nut. Provided is a sliding device for a sliding door, characterized in that the left door is moved by the rotation of the level nut by forming a moving rod with a spiral on the outer diameter to the outside of the bracket.

The upper rail portion forms a pair of left and right upper front rails in front of the upper side of the body and a pair of left and right upper rear rails at the rear of the left and right upper front rails, and an upper inner and outer front moving rail at the left end of the left and right upper front rails. And it provides a sliding device for a sliding door, characterized in that the upper inner and outer rear moving rails are formed at the right end of the left and right upper rear rails.

The upper inner and outer front moving rails formed at the left end of the left and right upper front rails of the upper rail part are formed in a curved line bent forward from the center of the upper rail part, and the upper inner and outer rear moving rails formed at the right end of the left and right upper rear rails is formed in a curve bent backward from the center of the upper rail portion, and fixed magnets are formed at the rail ends of the upper inner front moving rail and the upper inner rear moving rail so that the door is fixed when the left and right doors are closed, and the upper inner front moving rail It provides a sliding device for a sliding door, characterized in that a moving hole is formed on the left and right upper front rails and the left and right upper rear rails of the upper inner rear moving rail.

The lower rail portion forms a pair of left and right lower front rails in front of the lower side of the body and a pair of left and right lower rear rails at the rear of the left and right lower front rails, and forms a lower front moving rail at the left end of the left and right lower front rails. A lower rear movable rail is formed at the right end of the left and right lower rear rails, but the lower front movable rail of the lower rail and the side walls of the lower rear movable rail, the left and right lower front rails, and the inner and outer side walls of the lower left and right rear rails are perfect. It provides a sliding device for a sliding door, characterized in that the impact piece is formed to protrude.

The lower roller part inserts and forms the left and right lower outer roller racks in which the left and right lower outer rollers, which are horizontal rollers, are formed with friction rings formed on the connection bodies formed at the lower outer corners of the left and right doors, and the friction rings are formed on the connection bodies formed at the lower inner corners of the left and right doors. Provided is a sliding device for a sliding door, characterized in that the left and right lower inner roller love racks formed with horizontal rollers are inserted and formed so as to intersect.

As described above, the present invention simplifies the structure of the roller bracket, improves product durability and productivity, facilitates leveling of the left and right doors, prevents the left and right doors from being easily opened in a closed state, and closes the left and right doors. There is an effect of maintaining the horizontality of the left and right doors for a long time by buffering at the top and bottom of the door.

In the above, the present invention has been shown and described with specific preferred embodiments, but the present invention is not limited to the above-described embodiments, and those skilled in the art within the scope of not departing from the spirit of the present invention Various changes and modifications will be possible by the person.

1 is a perspective view showing a sliding device for a sliding door according to the present invention;
2 is a perspective view showing the upper part of the left door of the sliding device for a sliding door according to the present invention;
3 is a bottom perspective view showing the lower part of the left door of the sliding device of the sliding door according to the present invention;
4 is a perspective view showing the upper part of the right door of the sliding device for a sliding door according to the present invention;
5 is a bottom perspective view showing the lower part of the right door of the sliding device for a sliding door according to the present invention;
6 is a bottom perspective view of the rear side showing the upper roller of the sliding device for a sliding door according to the present invention;
7 is an exploded rear perspective view showing an outer roller racket at the upper left of the upper roller portion of the sliding device for a sliding door according to the present invention;
8 is an assembled bottom perspective view showing the upper left outer roller love racket of the upper roller part of the sliding device of the sliding door according to the present invention;
9 is a perspective view showing an upper rail portion of a sliding device for a sliding door according to the present invention;
10 is a bottom perspective view showing a lower rail portion of a sliding device for a sliding door according to the present invention;
11 is a perspective view showing a lower roller portion of a sliding device for a sliding door according to the present invention;
12 is a perspective view showing an open state of the left door of the sliding device for a sliding door according to the present invention;
13 is a bottom perspective view showing an open state of the left door of the sliding device for a sliding door according to the present invention;
14 is a plan view showing an open state of the left door of the sliding device for a sliding door according to the present invention;
15 is a perspective view showing an open state of the right door of the sliding device for a sliding door according to the present invention;
16 is a bottom perspective view showing an open state of the right door of the sliding device for a sliding door according to the present invention;
17 is a plan view showing an open state of the right door of the sliding device for a sliding door according to the present invention.

In order to fully understand the present invention and the advantages of the operability of the present invention and the objects achieved by the practice of the present invention, reference should be made to the accompanying drawings showing preferred embodiments of the present invention and the contents described in the accompanying drawings.

Hereinafter, the present invention will be described in more detail with reference to specific embodiments of the present invention. The following examples are only provided to explain the present invention in more detail, and the technical scope of the present invention is not limited thereby.

(Example)

1 is a perspective view showing a sliding device for a sliding door according to the present invention.

As shown in this, the sliding device of the sliding door of the present invention includes the upper roller part 10 in which the left and right doors 2 and 3 are installed on the front of the furniture body 1, and the upper roller part 10 slides. an upper rail portion 20, a lower rail portion 30 formed at the lower end of the body 1 to correspond to the upper rail portion 20, and a lower roller portion 40 sliding on the lower rail portion 30 ) is composed of

As shown in FIGS. 2 and 4, the upper roller part 10 is installed at the upper inner and outer corners of the left door 2 and the right door 3 installed in the front of the body 1 having a storage space. do.

The upper roller part 10 uses the left and right upper outer roller rackets 12 and 12' in which the left and right upper outer rollers 11 and 11' are formed in the connection body 15 of the upper outer corners of the left and right doors 2 and 3. The left and right upper inner roller rackets 14 and 14' formed by inserting and forming the upper left and right inner rollers 13 and 13' in the upper inner edge connection body 15 of the left and right doors 2 and 3 are inserted so as to cross each other. It is formed to slide on the upper rail part 20.

As shown in FIG. 6, the left and right upper outer rollers 11 and 11' of the upper roller part 10 are formed as vertical rollers R1 to slide on the bottom surface of the front and rear rails of the upper rail part 20, The left and right upper inner rollers 13 and 13' include a vertical roller R1 sliding on the bottom surface of the upper rail unit 20 and a horizontal roller R2 sliding on the front and rear walls of the front and rear rails of the upper rail unit 20. form on a straight line.

As shown in FIGS. 7 and 8, the upper roller part 10 forms a moving groove 16 with a moving ring 15 formed at the rear upper end of the connection body 15 at the upper outer corner of the left door 2. And a part of the level nut 17 is rotatably inserted into the moving groove 16, and the moving rod 18 formed with a spiral on the outer diameter to the outside of the upper left outer bracket 12 so as to be inserted and fastened to the level nut 17 is formed so that the left door 2 is moved by the rotation of the level nut 17.

An upper rail part 20 is formed on the upper side of the body 1 so that the upper roller part 10 thus formed slides, as shown in FIG. 9 .

The upper rail part 20 is formed on the front and rear sides of the upper side of the body 1 so that the left and right upper outer rollers 11 and 11' and the left and right upper inner rollers 13 and 13' of the upper roller part 10 slide. A pair of rails are formed so that when the door is opened, the left door 2 moves forward along the front rail and the right door moves backward along the rear rail and then slides.

The upper rail part 20 has a pair of left and right upper front rails 21 and 21' toward the front of the upper side of the body 1 and a pair of left and right upper front rails 21 and 21' behind the left and right upper front rails 21 and 21'. Upper rear rails (22, 22') are formed, upper inner and outer front moving rails (23, 23') are formed at the left ends of the left and right upper front rails (21, 21'), and the left and right upper rear rails (22; 22) are formed. At the right end of '), upper inner and outer rear moving rails 24 and 24' are formed.

The upper inner and outer front moving rails 23 and 23' formed at the left ends of the left and right upper front rails 21 and 21' of the upper rail part 20 are curved forward from the center of the upper rail part 20. and the upper inner and outer rear moving rails 24 and 24' formed at the right ends of the left and right upper rear rails 22 and 22' are formed as curved lines bent backward from the center of the upper rail part 20.

In addition, fixed magnets 25 are formed at the rail ends of the upper inner front moving rail 23 and the upper inner rear moving rail 24 so that the doors are fixed when the left and right doors 2 and 3 are closed, and the upper inner front A moving hole 26 is formed on the left and right upper front rails 21 and 21' and the left and right upper rear rails 22 and 22' of the moving rail 23 and the upper inner rear moving rail 24.

A lower rail part 30 is formed on the lower side of the body 1 at a position corresponding to the upper rail part 20 as described above.

The lower rail part 20 forms a pair of rails in front and rear on the lower side of the body 1, so that when the door is opened, the left door 2 moves forward along the front rail and the right door 3 moves forward along the front rail. It is formed to slide left and right after moving backward along the rear rail.

As shown in FIG. 10, the lower rail portion 30 includes a pair of left and right lower front rails 31 and 31' and the left and right lower front rails 31 and 31' toward the front of the lower side of the body 1. A pair of left and right lower rear rails 32 and 32' are formed at the rear of the left and right lower front rails 31 and 31', and a lower front moving rail 33 is formed at the left end of the left and right lower front rails 31 and 31', and the left and right lower rear rails 32 At the right end of , 32'), a lower rear moving rail 34 is formed.

Both side walls of the lower front movable rail 33 and the lower rear movable rail 34 of the lower rail part 30, the left and right lower front rails 31 and 31', and the inner and outer sides of the left and right lower rear rails 32 and 32' Buffer protrusions 35 are formed on both side walls so as to protrude inward.

The lower roller part 40 is formed so that the left and right doors 2 and 3 slide on the lower rail part 30.

As shown in FIGS. 3 and 11 , the lower roller unit 40 is installed at the inner and outer corners of the lower ends of the left door 2 and the right door 3 of the lower rail unit 30 .

The lower roller part 40 has left and right lower outer roller rackets 42 and 42' in which left and right lower outer rollers 41.41' are formed in the connection body 15 connecting the lower outer corners of the left and right doors 2 and 3. is formed and the left and right lower inner rollers 43 and 43' are formed in the connection body 15 connecting the inner corners of the lower ends of the left and right doors 2 and 3 to cross the left and right lower inner roller rackets 44 and 44'. form the insert.

The left and right lower outer rollers 41.41' and the left and right lower inner rollers 43 and 43' of the lower roller part 40 are formed as horizontal rollers R2, and a friction ring 45 is formed on the outer diameter of the horizontal roller R2. ) is formed to rub against the shock absorber protrusion 35.

Referring to the operation and effect of the present invention configured as described above are as follows.

First, in order to manufacture the left door (2) and the right door (3) installed on the front of the body (1) having a storage space, the corners of the door frame are connected with the connecting body (15).

In this state, the left and right upper outer roller love rackets (12, 12') and the left and right upper inner roller love rackets (14, 14) of the upper roller part (10) are connected to the connection body (15) formed on all four corners of the left and right doors (2, 3). '), the left and right lower outer roller love rackets 42 and 42' and the left and right lower inner roller love rackets 44 and 44' of the lower roller part 40 are inserted and fixed.

The upper roller part 10 and the lower roller part 40 fixed as described above are placed so as to slide on the upper rail part 20 and the lower rail part 30 so that the left and right doors 2 and 3 are in front of the body 1. to open the

As described above, when the upper and lower roller parts 10 and 40 are placed with the upper and lower rail parts 20 and 30, the upper left outer roller 11 and the upper left inner roller 13 of the left door 2 and the upper roller part 10 are formed. is placed at the rear end of the upper inner and outer front moving rails 23 and 23' of the upper rail part 20, and the lower left outer roller 41 and the lower left inner roller 43 of the lower roller part 40 ) is located and placed at the rear end of the lower forward moving rail 33.

In order to adjust the level between the left and right doors 2 and 3 placed in this way, as shown in FIGS. 7 to 8, the moving groove 16 formed in the connection body 15 at the upper outer corner of the left door 2 rotates. The moving rod 18 fastened to the possibly inserted level nut 17 is withdrawn or inserted by the rotation of the remel nut 17 so that the moving rod 18 rises or falls along the moving ring 15 while the left door 2 ) level can be adjusted.

In addition, the upper right outer roller (11') and the upper left inner roller (13') of the upper roller part (10) of the right door (3) are connected to the upper inner and outer rear moving rails (24, 24') of the upper rail part (20). The lower right outer roller 41' and the lower right inner roller 43' of the lower roller unit 10 are positioned and placed at the front end of the lower rear moving rail 34.

The left and right doors 2 and 3 placed in this way are in a straight state with the left and right doors 2 and 3 spaced apart about the thickness of the door so that the right door 3 is inserted into the rear of the left door 2 in the body 1. is installed with

In this state, when the left door 2 is opened, as shown in FIGS. 12 to 14, the upper left outer roller located at the rear end of the inner and outer forward moving rails 23 and 23' (11) and the upper left inner roller 13, that is, the upper left inner roller R2 move forward along the inner and outer forward moving rails 23 and 23' at the upper end.

At the same time, the left lower outer roller 41 and the lower left inner roller 43 located at the rear end of the lower forward moving rail 33 of the lower rail part 30 of the left door 2 also follow the lower forward moving rail 33. move

At this time, the upper left inner roller 13 , that is, the upper left inner roller R1 passes through the moving hole 26 while moving along the outer surface of the inner front moving rail 23 .

In this way, the upper left outer roller 11 and the upper left inner roller 13 of the upper rail part 20 moving forward move along the left and right upper front rails 21 and 21', and the lower rail part 30 moves forward. The left lower outer roller 41 and the lower left inner roller 43 move along the left and right lower front rails 31 and 31', and the left door 2 overlaps the front of the right door 3 to move the left door 2 ) is opened.

The left door 2 as described above is closed in the reverse order of opening.

In addition, as shown in FIGS. 15 to 17, the right door 3 is an upper right outer roller 11' located at the front end of the inner and outer rear moving rails 24 and 24' of the upper rail unit 20. ) and the upper right inner roller (13'), that is, the upper right inner roller (R2) moves backward along the upper inner and outer rear moving rails (24, 24').

At the same time, the right lower right outer roller 41 'and the lower right inner roller 43' located at the rear end of the lower rear moving rail 34 of the lower rail part 30 of the right door 2 and the lower rear moving rail ( 34) to move along.

At this time, the upper right inner roller 13', that is, the upper right inner roller R1 passes through the moving hole 26 while moving along the outer surface of the inner rear moving rail 24.

The upper right outer roller 11' and the upper right inner roller 13' of the upper rail part 20 moving backward in this way move along the left and right upper rear rails 22 and 22', and the lower rail part 30 The right lower outer roller (41') and the lower right inner roller (43') of ) move along the left and right lower rear rails (32, 32') while the right door (3) overlaps the rear of the left door (2). The right door (3) is opened.

The right door 3 as described above is closed in the reverse order of opening.

In this way, the left and right doors 2 and 3 are opened and closed only by sliding in the upper rail part 20 and the lower rail part 30, simplifying the structure of the sliding device, and opening and closing the left and right doors 2 and 3 can be opened at the same time. It is also possible to open and close the appropriate width at the user's discretion.

On the other hand, when the left and right doors 2 and 3 are opened and closed, they are buffered by the smobe S formed on the top of the body 1, and the lower front moving rail 33 and the lower rear moving rail 34 of the lower rail part 30 And the left and right lower front rails 31 and 31' and the left and right lower rear rails 32 and 32', the left and right lower outer rollers 41.41' of the lower roller part 40 on the buffer protrusions 35 formed on the inner and outer side walls The friction ring 45 formed on the outside of the left and right lower inner roller rackets 44 and 44' rubs and buffers the left and right doors 2 and 3 when they are opened and closed.

10: upper roller part 20: upper rail part
30: lower rail part 40: lower roller part

Claims (10)

Left and right upper outer rollers 11 and 11' are formed in the connection body 15 installed at the upper inner and outer corners of the left door 2 and the right door 3 installed in the front of the body 1 having a storage space. Left and right upper outer roller rackets (12, 12') are inserted and formed, and left and right upper inner roller rackets (13, 13') are formed in the upper inner corner connection body (15) of the left and right doors (2, 3). (14, 14 ') is inserted and formed so that they intersect with each other to form an upper roller portion 10 to slide on the upper rail portion 20;
A pair of rails are formed on the front and rear sides of the upper side of the body 1 so that the upper roller part 10 slides, so that when the door is opened, the left door 2 moves forward along the front rail and the right door moves backward along the rear rail. An upper rail portion 20 formed to slide after moving;
A pair of rails are formed in the front and rear of the lower surface of the body 1 at a position corresponding to the upper rail part 20, so that when the door is opened, the left door 2 moves forward along the front rail and the right door 3 moves forward along the front rail. Is a lower rail portion 30 formed to slide left and right after moving backward along the rear rail;
In the sliding device for a sliding door, characterized in that composed of a lower roller portion 40 installed at the lower inner and outer corners of the left door (2) and the right door (3) in the lower rail portion (30),
The upper roller part 10 forms a moving groove 16 with a moving ring 15 formed at the rear upper end of the connection body 15 at the upper outer corner of the left door 2, and a level nut in the moving groove 16 A part of (17) is rotatably inserted and a moving rod 18 having a spiral on the outer diameter is formed to the outside of the upper left outer bracket 12 so that it is inserted and fastened to the level nut 17 to rotate the level nut 17 A sliding device for a sliding door, characterized in that the left door (2) is formed to move. delete The method according to claim 1, wherein the upper rail portion (20) is a pair of left and right upper front rails (21,21') toward the front of the upper side of the body (1) and rearward of the left and right upper front rails (21,21'). A pair of left and right upper rear rails 22 and 22' are formed, and at the left end of the left and right upper front rails 21 and 21', upper inner and outer front moving rails 23 and 23' are installed in the center of the upper rail part 20. It is formed as a curve bent forward from the left and right sides, and at the right end of the left and right upper rear rails (22, 22'), the upper inner and outer rear moving rails (24, 24') are curved backward from the center of the upper rail part (20). However, fixed magnets 25 are formed at the rail ends of the upper inner front moving rail 23 and the upper inner rear moving rail 24 so that the doors are fixed when the left and right doors 2 and 3 are closed, and the upper inner side The left and right upper front rails (21, 21') and the left and right upper rear rails (22, 22') of the front moving rail (23) and the upper inner rear moving rail (24) are characterized in that moving holes (26) are formed. sliding device for sliding doors. delete delete delete delete delete delete delete

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