WO2014148747A1 - Opening/closing device for sliding door - Google Patents

Abstract

Provided is an opening/closing device for a sliding door, comprising: a pair of rail frames having rails of which bending portions are formed on both sides thereof in order to transfer each door in the front and rear directions when each door slides, and which are formed to protrude upwardly on the upper surface of a piece of furniture, so as to smoothly open/close each door located on the same line by the rotation of a sliding rotational member; and each rotational member which is rotationally provided in a curved section of each bending portion while being loaded on the rail and sliding to one side of a connection bracket having the other side thereof mounted at an upper end of the door, wherein an upper part of the connection bracket is provided to enable each door to be entirely overlapped when each door is overlapped with each other. Thus, each door can be smoothly opened/closed without an additional front and rear transfer unit and excellent assembly can be obtained and manufacturing costs can be remarkably reduced by using the simplest components.

Description

Opening and closing device of sliding door

The present invention relates to an opening and closing device of a sliding door, and more particularly smoothly by the simplest structure without the complicated structure by the rotation of the rotating member is sliding in the process of opening and closing each door sliding on the same line to overlap each other. It relates to an opening and closing device of a sliding door to be opened and closed.

In general, doors are installed on the front of furniture such as cabinets, bookcases, storage cabinets, or bathroom cabinets so that beauty can be beautiful while preventing the loss without exposing the stored items. Divided by.

In the case of the electronic opening and closing type, one side of the door is rotatably hinged or hinged, and the fixed part is opened and closed at a constant rotation radius as much as the width of the door, starting from the fixed part. There was a drawback to secure a certain radius of rotation.

In the latter sliding door type, the doors are opened and closed while sliding each other on the rail provided as many as the number of doors, which is not necessary to secure a space of a rotation radius in which the door is rotated as in the above-described opening type door. Due to the rails exposed in the state, the aesthetics were not beautiful, and there were also disadvantages that the opening and closing could not be made smoothly when foreign matter such as dust accumulated on the rails.

In addition, the sliding type has a disadvantage that the storage space of the furniture is reduced due to the width of the rail is installed due to the number of rails provided by the number of doors.

In the process of sliding the door by the sliding means is installed on the rail installed on the upper surface as disclosed in the Patent No. 10-0987123 elected and registered by the present applicant to solve the problems of the sliding door as described above The door to be opened may be opened to the front of another door while being spaced forward by the spacer provided in the sliding means.

However, in the case of the registered patent, a means for opening and closing the door has a complex structure such as a sliding means and a separation means provided in the sliding means.

In order to solve this problem, as described in the Patent No. 10-1180469 improved by the present applicant based on the registered patent, the upper connecting frame and the upper rail frame is formed on a pair of rail grooves formed on the upper and lower surfaces of the furniture and It has been registered the opening and closing device which is opened and closed by sliding the door overlap each other by the lower mounting frame and the front and rear transfer means.

In addition, as disclosed in the applicant's Patent No. 10-1087289, the rail frame is formed on the upper and lower surfaces of the furniture and the pair of rail frames are installed on the connecting frame so that the door is moved back and forth in the process of sliding and opening. It is provided to include a sliding means.

However, the above-mentioned patent is also essentially provided with a forward and backward transport means or a sliding means for transporting forward and backward in the process of sliding the door, the structure of the forward and backward transport means or the sliding means also has a fairly complex structure as a result of Assembly work also had the disadvantage of being quite cumbersome and inconvenient.

In addition, the front and rear conveying means or sliding means is provided with any one of the front and rear conveying means or sliding means downward from the lower portion of the door in front of the furniture in order to solve the problem that the front and rear conveying means or the sliding means are not completely superimposed when each door starts to overlap each other. Since the front and rear conveying means or the sliding means are exposed to the lower side of the door when viewed from the front of the furniture, the appearance quality, which is an important factor of the quality of the furniture product, may be deteriorated.

The present invention has been improved based on the registered patent registered and applied by the present applicant to solve the conventional problems as described above, the main object is sliding in the process of opening and closing each door is located on the same line is sliding and overlap each other It is to provide an opening and closing device of a sliding door that can be opened and closed smoothly by the simplest structure without the complicated structure by the rotation of the rotating member.

Another object of the present invention is to prevent the front and rear conveying means or sliding means from being exposed to the upper or lower side of the door when viewed from the front of the furniture to improve the appearance quality which is an important factor of the quality of the furniture product.

Still another object of the present invention is to allow the doors to be completely overlapped with each other when the doors are overlapped with each other even if the front and rear conveying means or the sliding means are prevented from being exposed to the upper side or the lower side of the door.

Still another object of the present invention is to allow the lower part of the door to slide smoothly on the underside of the furniture so that the door can be opened and closed stably.

Still another object of the present invention is to minimize the front and rear fluidity of the door.

Another object of the present invention, to minimize the left and right fluidity of the door.

Still another object of the present invention is to provide a structure for guiding sliding so as to be provided on the underside of furniture to be as simple as possible.

In order to solve the above technical problem, the present invention provides an opening and closing device of a sliding door that is slidingly opened and closed at the front of a furniture in which a storage space is formed therein, and bent to both sides to be transported back and forth when sliding each door on the upper surface of the furniture. A pair of rail frames formed to protrude upward from the formed rail; And each rotating member rotatably mounted in a curved section of the bent portion while one side is lifted up by the rail to the other side of the connecting bracket mounted to the top of the door, and the upper portion of the connecting bracket is included in the door. The other side to which the rotating member is mounted in the connecting bracket in a state of being mounted so as not to be removed is provided so that any one of the doors overlaps each other completely.

The connecting bracket includes a door mounting part mounted to the door and a sliding mounting part formed to be bent to the door mounting part to mount the rotating member.

An interference preventing groove is formed in the sliding mount.

And a pair of support frames having guide support grooves formed with curved surfaces at both sides thereof so as to be transported back and forth when sliding each door on the bottom of the furniture, and the connection bracket is mounted on the lower end of the door. It is mounted on the inner side of the lower side, the sliding mounting portion is mounted to each of the supporting member is inserted into the guide support groove and sliding, the lower portion of the connecting bracket is mounted so as not to leave the door, the sliding mounting portion When the doors overlap each other, it is provided so that either one can be completely folded into the other.

Any one of the pair of rail frames is omitted, and one of the rotating members is correspondingly omitted.

Any one of the pair of support frames is omitted, and one of the support members is omitted correspondingly.

The pair of front and rear rail frames is divided into a straight rail frame in which front and rear rails are integrally formed, and each curved rail frame in which front and rear rails of a curved section of the bent portion are formed on both sides of the straight rail frame. It is composed.

The present invention allows the door to be opened and closed smoothly by the simplest structure without the complicated structure by the rotation of the rotating member sliding in the process of opening and closing the doors on the same line to overlap each other, even without a separate back and forth transfer means Not only can the door be opened and closed smoothly, but also the assembly cost due to the simplest components as well as the manufacturing cost can be significantly reduced.

In addition, when viewed from the front of the furniture to prevent the exposure of the connecting bracket to the upper or lower side of the door has the effect of improving the appearance quality which is an important factor of the quality of the furniture product.

In addition, even if the connection bracket is provided to prevent the exposure of the connecting bracket to the upper side or the lower side of the door also has the effect that can be completely overlap each other when the doors overlap each other.

In addition, the pair of rail frames provided on the upper surface of the furniture can also be made in a simple structure as possible, by reducing the number of parts further has an excellent effect on the economic efficiency and further increase the assembly.

In addition, as the lower part of the door also slides smoothly on the underside of the furniture, the door can be opened and closed stably, and thus the door can be opened and closed stably without the fluidity of the door.

In addition, the front and rear fluidity and the left and right flowability of the door can also be minimized, so that when the door is opened and closed stably, the effect of securing even higher reliability for the product is obtained.

In addition, by providing a structure to guide the sliding so as to be provided on the bottom of the furniture as possible as simple as possible, as well as to increase the excellence of the assembly as well as to lower the cost of the product.

1 is an exploded perspective view showing main parts of the present invention;

2 is a main view schematically showing a coupled state according to FIG.

(A) and (b) of FIG. 3 respectively show a schematic plan view of the main part and the bottom view of the main part,

4 is a schematic side view of the main part according to FIG. 1;

(A) and (b) of FIG. 5 are top plan views schematically illustrating another embodiment of (a) of FIG. 3, respectively.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The present invention is not limited or limited by the embodiments.

FIG. 1 is an exploded perspective view illustrating main parts of the present invention, and FIG. 2 is a main view schematically illustrating a coupled state according to FIG. 1, and FIGS. 3A and 3B are schematic views of FIG. 1, respectively. A main part plan view and a main part bottom view, and FIG. 4 is a schematic main side view according to FIG. 1.

As shown, the aesthetics are beautiful while preventing the loss without exposing the items stored in the front of the furniture 100, the storage space 110 is formed so that the water to be stored therein, the maximum storage space Disclosed is an opening and closing device of a sliding door 1 that is opened and closed to have a sliding door.

The present invention is an opening and closing device for allowing the door to be opened and closed smoothly by the simplest structure without the complicated structure by the rotation of the sliding rotating member in the process of sliding and overlapping each door positioned on the same line to overlap each other.

The opening and closing device according to the present invention allows the door 1 to slide smoothly without interfering with each other when the door is opened on the surface where the door 1 comes into contact with each other, that is, the door to be opened interferes with the contact surface of another door. It includes a sliding unit 10 is formed for preventing the interference so that the smooth ride up without sliding.

In addition, when sliding each door 1 on the upper surface of the fixing flange 22, which is the same as a conventional train rail fastened and fixed to the upper surface of the furniture 100 by a normal screw or the like when the doors are closed to overlap each other. The rail 24 includes a pair of rail frames 20 formed to protrude upward from the rails 24 having the bent portions 23 formed at both sides thereof so that the doors are transported back and forth to be located on the same line.

Then, one side is raised to the rail 24 to the other side of the connecting bracket 35 mounted with the upper end of the door (1), without the separate forward and backward movement means in the curved section of the bent (23) Rotation is made to each rotating member 30 is rotatably mounted to be transported back and forth; Also includes.

Here, the upper portion of the connecting bracket 35 is mounted so as not to leave the door 1 when viewed from the front of the furniture 100, the other that the rotating member 30 is mounted on the connecting bracket (35). The side is provided so that when one door 1 overlaps each other, any one can be completely superimposed on the other.

Accordingly, when viewed from the front of the furniture 100, the connection bracket 35 is prevented from being exposed to the upper side of the door 1, thereby improving the appearance quality, which is an important factor of the furniture product quality, and the door 1 Even though the connecting bracket 35 is provided to prevent the exposure of the connecting bracket 35 to the upper side of the doors 1 when the doors are overlapped with each other completely.

The sliding portion 10 is preferably formed of an inclined surface 12 or an interference preventing space portion 14 (see FIG. 1 or FIG. 3) formed to face each other in the furniture 100 side direction of each door 1. . That is, when the door to be opened at the same time as the rotary member is sliding in the curved section of the bent portion in the state in which the door is closed and abuts, the front side is smoothly transferred forward without interfering with the abutting surface of the closed door. It can be.

In the above, the edge of the fixing flange 22 of the rail frame 20, if necessary, may be formed with the edge jaw 22a of the same shape as the rail 24.

Accordingly, the sliding part and the door slid by the rotating member may be opened or closed so as to overlap each other without being placed on the same line in parallel with each other without a separate forward transfer means.

The rotating member 30 is provided as a roller member rotatably mounted to the sliding mounting portion 37 to be described later of the connecting bracket 35.

The connecting bracket 35 is formed by bending the door mounting portion 36 mounted to each door 1 and the door mounting portion 36 so that the rotating member 30 is rotatably mounted. Include.

Accordingly, the connection bracket 35 is provided with a simple integrated structure of the door mounting portion 36 and the sliding mounting portion 37 to further increase the excellence of the assembly as well as lower the cost of the product.

On the other hand, the anti-slip groove 38 is formed in the sliding mounting portion 37 so that when viewed from above, the Hangul consonants are provided to have the shape of a letter (c).

Therefore, when one of the doors (1) is slidingly inserted through the interference preventing groove (38) when sliding to the rear of the other and overlapping the other rear, when viewed from the front of the furniture (100) Even if the connecting bracket 35 is provided to prevent the exposure of the connecting bracket 35 to the upper side or the lower side of the door 1, it is possible to completely overlap each other when the doors 1 overlap each other.

As described above, the present invention in the process of opening and closing the sliding door (1) which is opened and closed by sliding in the front of the furniture 100, overlapping with each other, separate front and rear transfer means is not required of the door (1) By sliding member 10 formed on the contact surface and the rotating member 30 provided in the connecting bracket 35 mounted on the upper end of the door 1 is naturally opened and closed to be transported back and forth to overlap.

That is, the rotating member 30 is provided in the curved section of the bent portion 23 formed on the rail 24 of the rail frame 20 so that rotation can be made by itself in the curved section of the bent portion 23. As the sliding is made naturally, the door 1 can be moved back and forth without a separate back and forth conveying means.

In addition, the rotation member 30 is a condition that can be installed accurately without the pair of doors 1 located in front of the furniture 1 by adjusting the height after the door 1 is installed finely Also have.

Therefore, the present invention does not have a complicated structure, such as a front and rear conveying means for transporting the door back and forth as in the prior art, but having a simple structure as much as possible by a rotating member that rotates itself on the rail of the rail frame so as to smoothly overlap and overlap. Has a condition that can be opened and closed.

In addition, the assembly is excellent due to the simple structure, not only has high productivity, but also has excellent economic conditions.

The pair of front and rear rail frames 20 includes a straight rail frame 20A in which front and rear rails 24 are integrally formed, and bent portions (both on both sides of the straight rail frame 20A). 23) It is preferable to divide each curved rail frame 20B in which each rail 24 before and after a curved section was formed.

In other words, the rail frame is divided into a straight section and a curved section by bending the front and rear rails formed on the rail frame, before and after the rail frames are formed separately. In other words, by forming three modular forms, it is possible to reduce the number of parts even more, and thus have greater economic efficiency.

On the other hand, the door prevents the flow of the front, back and at the same time smoothly sliding on the underside of the furniture.

The opening and closing device of the sliding door according to the present invention is formed on the bottom surface of the furniture 100, the guide support grooves 44 formed with curved portions 43 are formed on both sides so as to be transported back and forth when sliding each door 1 as described above. It is preferable to further include a pair of support frame 40 to serve as the rail frame 20.

At this time, the connection bracket 35 is mounted on the lower side of the inner surface of the door (36) so that the door mounting portion 36 is also mounted on the lower end of the door (1), the guide support groove in the sliding mounting portion (37) Each of the supporting members 50 inserted and supported by the 44 and sliding is mounted, and the sliding mounting portion 37 is mounted on each door in a state in which the lower portion of the connecting bracket 35 is mounted so as not to leave the door 1. When (1) overlaps each other, it is provided so that one can be completely superimposed on another.

Accordingly, when viewed from the front of the furniture 100, the connection bracket 35 is prevented from being exposed to the lower side of the door 1 to improve the appearance quality, which is an important factor of the quality of the furniture product, and the door 1 Even if the connecting bracket 35 is provided to prevent the exposure of the connecting bracket 35 to the lower side of each other, it is possible to completely overlap each other when the doors 1 overlap each other.

In addition, the support frame is divided into a straight support frame and a curved support frame, such as a rail frame formed on the upper surface of the furniture described above.

The support member 50 is provided as a roller member mounted to the sliding mounting portion 37 of the connecting bracket 35.

In other words, the support frame and the support member formed on the bottom of the furniture, as the rail frame and the rotation member formed on the upper surface of the furniture as the door is supported by the lower end of the door in the process of sliding and opening the door, Afterwards it is to play a role that can be reliably sliding without fluidity.

Accordingly, the lower end of the door, as well as the upper end by the support frame and the support member to be able to slid stably without fluidity before and after, thereby having a condition to further increase the reliability of the product.

5 (a) and 5 (b) are a partial plan view from above, showing schematically another embodiment of Fig. 3 (a), respectively.

As shown in (a) and (b) of Figure 5, any one of the pair of rail frame 20 is omitted, the rotating member 30 may be provided so that any one is omitted correspondingly. have. At this time, the shape of the sliding mounting portion 37 may be changed according to the rail frame 20 and the rotating member 30 which are omitted.

In addition, any one of the pair of support frames 40 may be omitted like the rail frame 20, and the support member 50 may be omitted one correspondingly.

Accordingly, the structure of the connecting bracket 35 is more simply provided, so that the rail frame 20 or the support frame 40 respectively provided on the upper or lower surface of the furniture can be made as simple as possible, not necessarily in pairs. As the number of parts such as the rotating member 30 and the supporting member 50 can be further reduced, assemblability is further increased and economic efficiency is also excellent.

Thus, the present invention can improve the appearance quality, which is an important factor of the furniture product quality, by preventing the exposure of the connecting bracket to the upper or lower side of the door when viewed from the front of the furniture to make the exterior of the furniture beautiful. However, even if the connection bracket is provided to prevent the exposure of the connecting bracket to the upper or lower side of the door can be completely overlapped with each other when the doors overlap each other.

The present invention can be opened and closed smoothly by the simplest structure without the complicated structure by the rotation of the rotating member is sliding in the process of opening and closing the doors on the same line to overlap each other on the front of the storage cabinet in which the article is stored. Provide switchgear.

Accordingly, the door can be opened and closed smoothly without a separate back and forth conveying means, as well as the assembly cost due to the simplest components as well as the manufacturing cost can be significantly lowered.

Claims (7)

Opening and closing device of the sliding door that is opened and closed in the front of the furniture formed storage space therein, A pair of rail frames formed so that rails having bent portions formed at both sides thereof protrude upwards to be transported back and forth when sliding each door on the upper surface of the furniture; And And each rotating member rotatably mounted at a curved section of the bent portion while one side is lifted up by the rail to the other side of the connection bracket mounted to the top of the door. The upper side of the connecting bracket is mounted so as not to leave the door, the other side on which the rotating member is mounted in the connecting bracket is provided so that any one can be completely folded to the other when each door overlap each other. Opening and closing mechanism of sliding door. The method of claim 1, The connecting bracket is a door mounting portion to be mounted to the door, opening and closing device of the sliding door characterized in that it comprises a sliding mounting portion is formed to be bent to the door mounting portion is mounted the rotating member. The method of claim 2, Opening and closing device of the sliding door, characterized in that the sliding mounting portion is formed with an interference prevention groove. The method of claim 3, And a pair of support frames having guide support grooves formed with curved surfaces at both sides thereof so as to be transported back and forth when sliding each door on the bottom of the furniture, and the connection bracket is mounted on the lower end of the door. It is mounted on the inner side of the lower side, the sliding mounting portion is mounted to each of the supporting member is inserted into the guide support groove and sliding, the lower portion of the connecting bracket is mounted so as not to leave the door, the sliding mounting portion An opening and closing device of a sliding door characterized in that any one is provided so as to completely overlap one another when the doors overlap each other. The method of claim 4, wherein Any one of the pair of rail frames is omitted, the opening and closing device of the sliding door, characterized in that any one is omitted corresponding to the rotating member. The opening and closing device of the sliding door of claim 5, wherein any one of the pair of support frames is omitted, and one of the support members is omitted. The method according to any one of claims 1 to 6, The pair of front and rear rail frames is divided into a straight rail frame in which front and rear rails are integrally formed, and each curved rail frame in which front and rear rails of a curved section of the bent portion are formed on both sides of the straight rail frame. Opening and closing device of a sliding door characterized in that the configuration.

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