KR20090070884A - System door - Google Patents

Abstract

A prefabricated door is capable of corresponding to various width and height and secures good structure rigidity to torque and bending. A prefabricated door comprises a core(10), a plurality of frames(100) which are respectively mounted on the top and bottom and left and right edges of the core, and first and second surface materials which is mounted on the frame and respectively corresponds to the front and back surfaces of the core. The core is a sandwich panel wherein lightweight timber or porous material is filled between thin metal plates. A plurality of frames comprises a primary member(110) which is parallel to the girth of the core, primary and secondary extension members(120,130) which are respectively extended toward the core from the base material, and primary and secondary bent members(140,150) which are extended from both ends of the primary member and are bent parallel to each extension member.

Description

Prefabricated Door {System door}

The present invention relates to a prefabricated door, and more particularly, has excellent structural strength against bending and twisting over the entire height, can cope with various widths and heights, can freely implement a surface interior, improve design and electronics. A prefabricated door capable of incorporating the technology.

In general, a door used in a residential or commercial space is a structure that allows people to enter and exit the space where they enter and exit and at the same time open and close.

Conventionally, after processing wood mainly for doors used for residential use, high density fiberboard (HDF) coated with sheet paper or thin veneer on its surface was used.

The doors produced in this way are distorted or bent due to the humidity or temperature inside the space, so that the part joining the door frame does not fit when used for a long time, especially when manufacturing doors in commercial spaces that require a height of 3m or more. Due to the warping of the internal wood, there was a difficulty in mass production.

In addition, since most adhesives are used as a method of bonding the surface material to the wood core material, there is a problem of environmental pollution, and if the surface material is broken, there is a difficulty in replacing the entire door.

The present invention is to solve the above problems, the object of the present invention is excellent structural strength for bending and twisting over the entire height, can cope with various widths and heights, can freely implement the surface interior, design To provide a prefabricated door that can be advanced and integrated electronic technology.

Prefabricated door according to an aspect of the present invention core; A plurality of frames respectively mounted on upper, lower, left and right edges of the core material; And first and second surface materials mounted on the frame and corresponding to front and rear surfaces of the core material, respectively.

In addition, each frame constituting the prefabricated door according to an aspect of the present invention is a base member parallel to the edge of the core material, the first and second extension members formed respectively extending toward the core material from the base member, from both ends of the base member It is preferable to include the first and second bending members extending and bent in parallel with each of the extension members.

At this time, the end portion of the core member is accommodated in the first space formed by the first and second extension members, the end portion of the first surface member is inserted into the second space formed by the first extension member and the first bent member, and the second It is preferable that the end portion of the second surface member is inserted into the third space formed by the extension member and the second bending member.

As described above, the prefabricated door according to the present invention has excellent structural strength against bending and twisting over the entire height, can cope with various widths and heights, can freely realize the surface interior, and the advanced design and the electronic technology. Grafting is possible.

Hereinafter, a prefabricated door according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view of the core constituting the prefabricated door according to an embodiment of the present invention, Figure 2a is an exploded perspective view of the core, frame and edge cap constituting the prefabricated door according to an embodiment of the present invention, Figure 2b 2A is a cross-sectional view of a state in which each member shown in FIG. 2A is coupled, FIG. 3A is an exploded perspective view of a core member, a frame member, and a surface member constituting a prefabricated door according to an embodiment of the present invention, and FIG. 3B is an angle view of FIG. 3A. 4A is a perspective view of a prefabricated door according to an embodiment of the present invention, FIG. 4B is a sectional view of the prefabricated door shown in FIG. 4A, and FIG. 5 is according to another embodiment of the present invention. A perspective view of a prefabricated door.

The prefabricated door according to an embodiment of the present invention corresponds to the core 10 and the plurality of frameworks 100, 200, 300, and 400 mounted on the top, bottom, left and right edges of the core, and the front and rear surfaces of the core 10, respectively. And first and second surface materials 30 and 40.

The core 10 constituting the assembled door according to the present embodiment is preferably a sandwich panel. The sandwich panel is filled with light wood or porous material 12 between thin metal plates 14 having excellent strength.

By utilizing the sandwich panel as a core material, the thin metal plate is fixed to support the wood or porous material filled therein to suppress bending and warping.

In particular, even when doors are manufactured in various heights and widths, no reinforcement of wood or porous material is required.

In the present embodiment, the sandwich panel may be filled with any one of honeycomb, honeycomb board, plastic honeycomb, urethane foam, starform (compressed foam polystyrene), expanded polypropylene, expanded unsaturated polyester and metal foam.

In addition, the core material 10 is preferably used to cut to a predetermined height and width to correspond to various heights and widths of the door.

Each frame 100, 200, 300, 400 constituting the prefabricated door according to the present embodiment is mounted on the upper, lower, left and right edges of the core member 10, respectively.

The frame 100 is the base member 110 parallel to the rim of the core material, the first and second extension members 120 and 130 extending from the base member toward the core material, respectively, extending from both ends of the base material And first and second bending members 140 and 150 bent in parallel with each of the extension members.

Each member of the frame is preferably made of aluminum, which is excellent in light weight, rigidity, durability, moldability and corrosion resistance, and is preferably integrally extruded.

Each frame is formed in a structure having various receiving portions such as a core material and a surface material, and specifically, the end portion of the core material 10 is accommodated in the first space 170 formed by the first and second extension members.

At this time, the first extension member and the second extension member are formed by cutting both ends at an angle of 45 degrees in the height direction of the frame.

In addition, an end portion of the first surface member 30 is inserted into the second space 175 formed by the first extension member and the first bending member, and the third space 180 formed by the second extension member and the second bending member. The end portion of the second surface material 40 is inserted into it.

In the present embodiment, the first surface material and the second surface material are mounted on the frame to distinguish corresponding to the front and rear surfaces of the core material, respectively. The first surface material and the second surface material may be the same or different from each other. You can also implement the appearance.

Each of the surface materials 30 and 40 is glass, transparent plastic material (ABS, MS, PMMA, PC, PS, PETG, PET and one or more selected from the group consisting of PET), opaque plastic material (ABS, PP, PS and PVC Plate that forms a printed layer on the surface of the material), wooden board (dry / wet natural veneer, plate with synthetic veneer), metal board, inorganic board (MgO, SiO ₂ plate It is preferable that it is any of the siliceous board and synthetic resin board which have a humidity control function.

In addition, each of the surface material is a method using printing (thermal transfer, water transfer, direct, silk screen, etc.), numerical control processing, paper bonding, wallpaper bonding, veneer bonding, leather bonding, synthetic resin film bonding, sand etching, Surface treatment of any one of surface embossing and high gloss coating can be made.

In particular, the prefabricated door according to the present embodiment may be manufactured as a future door such as an IT door using smart glass or a speaker type door using polyvinyl difluoride (PVDF) film according to the selection of the surface material.

Each frame constituting the prefabricated door according to the present embodiment is preferably further formed with a locking projection 160 protruding from each other on the inner surface of the first and second extension members, by the locking projection and the base member Four spaces 190 are formed.

In addition, the prefabricated door according to the present embodiment preferably further includes an edge cap 20 accommodated in the fourth space of the two frames mounted in a state orthogonal to each corner portion of the core material.

The edge cap is formed in a "b" shape, one end is inserted into the fourth space 190 of one of the two frames, the other end is inserted into the fourth space 190 of the other frame, It is preferable that the corner portion of the "a" shape is rounded.

The first and second extension members of each frame constituting the assembled door according to the present embodiment are connected by a connection member, and the reinforcement 60 is accommodated in the fifth space formed by the connection member and the locking jaw.

The reinforcing material 60 is preferably any one of paper honeycomb, paper honeycomb board, plastic honeycomb, urethane foam, expanded polystyrene, expanded unsaturated polyester, expanded polypropylene and metal foaming agent.

At this time, by inserting the reinforcing material in the fourth space, even if the hinge and the door lock is installed, the distortion and deformation of the frame does not occur.

Looking at the manufacturing method of the prefabricated door according to an embodiment of the present invention in detail, as shown in Figure 2a, it is preferable to cut the core material 10 to correspond to the height and width of the door.

2b, it is preferable that the frame corresponds to the left and right edges of the cut core, respectively.

In this case, grooves of a predetermined length are formed in the height direction on the outer surface of the first and second extension members of the frame, and a plurality of fastening holes are formed in the groove, and each frame passes through the fastening hole and the core material 10 is formed. Is mounted on.

The frame and core are fixed with pieces or rivets through fastening holes.

Since the frame is mounted on the upper edge of the core 10, it is preferable to insert the edge cap 20 in the fourth space of the two frame mounted in a state orthogonal to each corner of the core.

In this case, as shown in Figure 3a, it is preferable to insert the first and second surface member 30, 40 in the second space and the third space of the left, right and upper frame body in a sliding manner.

Finally, as shown in Figure 4a, it is preferable to mount the lower frame 40 to the lower edge of the core material (10).

When the lower frame body is mounted on the core member, it cannot be mounted through the fastening holes formed in the first extension member and the second extension member. Do.

Before mounting the lower frame to the core material, it is preferable to selectively insert the reinforcement 60 into the frame in which the hinge or door lock is installed.

When the height of the prefabricated door is manufactured to 2400mm or more, the core material can be used by cutting the sandwich panel to a desired size, but it is difficult to produce the surface material to correspond to the height of the door.

At this time, the intermediate frame may be used to insert a plurality of surface material in the height direction of the door.

The intermediate frame 500 is formed in parallel with the horizontal member on the surface of the core member, that is, the horizontal member 510 fixed to the front and rear of the core member, the vertical member 520 vertically extending from the horizontal member and the end of the vertical member And a supporting member 530.

The surface material is accommodated in each space which consists of a horizontal member, a vertical member, and a support member of the said intermediate frame body.

In the case of manufacturing a prefabricated door having a large height using the intermediate frame, (a) cutting the core material to correspond to the height and width of the door; (b) attaching each frame to the left and right edges of the cut core material; (c) fixing the intermediate frame to the surface of the core material; (d) inserting the first and second surface members through the spaces formed in the second and third spaces and the intermediate frame of each frame mounted on the left and right edges of the core material; (e) mounting the frame on each of the upper and lower edges of the core material; preferably includes.

In the step (e), the frame corresponding to the upper and lower rims cannot be mounted on the core through the fastening holes formed in the first and second connection members. Secure with.

In the case of manufacturing a door having a large height using the intermediate frame, as described above, the step of inserting the reinforcement into the fifth space of the frame and the fourth space of the two frame mounted in a state orthogonal to the corners of the core material. Preferably it further comprises the step of inserting the edge cap.

Preferred embodiments of the present invention described above are disclosed for purposes of illustration, and one of ordinary skill in the art will recognize that various modifications, changes, and additions can be made within the spirit and scope of the present invention. Modifications and additions should be considered to be within the scope of the following claims.

1 is a perspective view of a core constituting a prefabricated door according to an embodiment of the present invention.

Figure 2a is an exploded perspective view of the core, the frame and the edge cap constituting the assembled door according to an embodiment of the present invention.

FIG. 2B is a sectional view of the state in which the members shown in FIG. 2A are combined; FIG.

Figure 3a is an exploded perspective view of the core, frame and surface material constituting the prefabricated door according to an embodiment of the present invention.

FIG. 3B is a sectional view of the state in which the members shown in FIG. 3A are combined; FIG.

4A is a perspective view of a prefabricated door according to an embodiment of the present invention.

4B is a cross-sectional view of the prefabricated door shown in FIG. 4A.

5 is a perspective view of a prefabricated door according to another embodiment of the present invention.

Claims (12)

Heartwood; A plurality of frames respectively mounted on upper, lower, left and right edges of the core material; And first and second surface materials mounted to the frame and corresponding to front and rear surfaces of the core material, respectively. The frame member is a base member parallel to the edge of the core material, the first and second extension members each extending from the base member toward the core material, the first extending from both ends of the base member and bent in parallel with the respective extension members And a second bending member, The end portion of the core member is accommodated in the first space formed by the first and second extension members, the end portion of the first surface member is inserted into the second space formed by the first extension member and the first bending member, and the second extension portion. An end door of the second surface member is inserted into the third space formed by the member and the second bending member. The method of claim 1, Each of the frame body is a prefabricated door characterized in that the locking jaw protruding from each other on the inner surface of the first and second extension member is further formed, the fourth space is formed by the locking jaw and the base member. The method of claim 2, Prefabricated door further comprises an edge cap accommodated in the fourth space of the two frame body mounted in a state orthogonal to each corner portion of the core material. The method of claim 2, The first and second extension members of the frame body is connected by a connecting member, the prefabricated door, characterized in that the reinforcement is accommodated in the fifth space formed by the connecting member and the locking jaw. The method of claim 1, The first and second extension members of the frame body have grooves of a predetermined length formed on the outer surface of the distal end portion in a height direction, and a plurality of fastening holes are formed in the groove, and the grooves are mounted to the core by passing through the fastening holes. Prefabricated door. The method of claim 1, The first and second bending members of the frame body is characterized in that the front end is bent inward. The method of claim 1, The core material is a sandwich panel, prefabricated door, characterized in that any one of the foamed polystyrene, urethane, honeycomb, honeycomb board, plastic honeycomb, expanded polypropylene, foamed unsaturated polyester and metal foaming agent is filled therein. The method of claim 1, The surface material is prefabricated door, characterized in that any one of glass, transparent plastic board, opaque plastic board, wood board, metal board, inorganic board, silicate board having a humidity control function and synthetic resin board. The method of claim 1, The surface material is a prefabricated door, characterized in that the smart glass or polyvinyl difluoride (PVDF) film. The method of claim 8, The surface material is a prefabricated door, characterized in that the surface treatment of any one of printing, numerical control processing, paper bonding, wallpaper bonding, veneer bonding, leather bonding, resin film bonding, sand etching, surface embossing and high gloss coating. The method of claim 4, wherein The reinforcing material is a prefabricated door, characterized in that any one of paper honeycomb, honeycomb board, plastic honeycomb, urethane foam, expanded polystyrene, expanded unsaturated polyester, expanded polypropylene and metal foaming agent. The method of claim 1, And a middle frame body capable of mounting a plurality of surface members in the longitudinal direction of the second space and the third space, wherein the middle frame body comprises a horizontal member fixed to the surface of the core member, a vertical member vertically extending from the horizontal member, and And a support member formed parallel to the horizontal member at the end of the vertical member, wherein the end portion of the surface member is accommodated in each space consisting of the horizontal member, the vertical member and the support member.

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