KR200216487Y1 - Sliding Door Having Flat Lower Door Frame with Buried Rail therein - Google Patents

Abstract

The present invention is a fine door consisting of the door (1), the upper door frame (2), the side section frame (3) and the lower section frame (4), the upper and lower flow-type airtight device (100, 200 or 300) The lower rail which penetrates the roller 6 of the lower part of the door 1 to the roller insertion part (101), (201), or (301), and was buried in the lower part frame 4 with the lower roller 6 which penetrated the lower part (4). (5) relates to a lower rail non-protruding microstructure, which is mounted on the upper surface.

In the lower rail non-protrusion type microstructure of the present invention, the lower rail 5 is buried in the lower part frame 4 to flatten the bottom surface, so that foreign matters such as dust accumulate on the lower rail 5 and the foot is caught. In addition, the concept of space separation can be eliminated to increase the usability of indoor space.

In addition, the roller insertion portion (101), (201) or (301) of the vertical flow type airtight device (100), (200) or (300) passes through the roller (6) below the door (1), By allowing the perforated roller 6 to be driven on the lower rail 5 buried in the lower frame 4, the size of the door is limited, unlike the conventional hanger door in which the roller on the upper door drives on the upper rail. When the door 1 is closed, the top and bottom airtight device (100, 200, or 300) descends to cover the lower rail 5 so that the door 1 and the lower frame 4 are closed. It prevents the gap between and has a complete windproof function and soundproof function, and when opening the door (1), the vertical flow type airtight device (100, 200 or 300) is raised to have a smooth mobility.

Description

Sliding Door Having Flat Lower Door Frame with Buried Rail therein}

The present invention, in the fine door consisting of the door, the upper door frame, the side section frame and the lower section frame, the lower rail through which the roller of the lower part of the door through the roller insertion portion of the vertical flow type airtight device, and buried through the lower roller It relates to a lower rail non-protruding micro-gates characterized in that placed on the.

At this time, the vertical flow-type airtight device is to operate up and down by the change of the attraction force and the repulsive force between the permanent magnets attached to the transfer member and the elevating member, respectively.

In addition, according to the bending degree of the plate spring connected to the conveying member and the elevating member, by the vertical flow type airtight device that is operated up and down, or by the tension spring connected to the conveying member and the comb surface formed lifting member Top and bottom actuated airtight devices are also applied.

In the case of the conventional micro door, there is a problem that the lower rail is protruded in the lower part frame, foreign matters such as dust flowing from the outside accumulate, and the foot is caught on the protruding lower rail when entering and exiting. Because of the large amount of windshield was to be installed due to its frictional force, a lot of power is required to open and close the door, there was a problem that the noise occurs.

To solve this problem, remove the lower frame at all, or make it exist on the same plane as the bottom surface, and instead of removing the roller under the door, install the roller on the upper door to drive the roller on the upper rail, and close the door. In order to prevent the inflow of air and foreign substances to the lower part of the door, a hanger door with a vertical flow-type airtight device is designed at the lower part of the door. When the size of the large, there was a problem that sag due to high load.

Here, the vertical flow type airtight device is known in the utility model application No. 2000-12081 (hereinafter referred to as "priority draft 1") under the title 'lifting closed device of the hanger door'.

In addition, the conventional hanger door has a vertical flow type airtight device (hereinafter referred to as 'previous draft 2'), or a beveled portion, which is operated up and down depending on the degree of bending of the leaf spring connected to the conveying member and the elevating member. Vertical flow type airtight devices (hereinafter referred to as 'previous draft 3'), which are operated up and down by a tension spring connected to the member and the inclined surface lifting member, have also been applied.

Therefore, in the present invention, in order to solve the problems in the hanger door, the lower rail is buried in the lower part frame to flatten the bottom surface, and the roller inserting portion is formed in the vertical flow type airtight device of 'conventional design', and the roller inserting portion It is to provide a lower rail non-protruding micro-machine door through which the roller of the lower door in which the upper and lower flow type airtight device is installed to drive the lower rail by penetrating the lower roller.

1 is a front view of the lower rail non-protrusion type micro door of the present invention.

Figure 2 is a perspective view of the lower rail non-protruded micromachine door of the present invention.

Figure 3 is a perspective view of the vertical flow type airtight device of the present invention.

Figure 4 is a view through the roller through the vertical flow type airtight device of the present invention.

Figure 5 is a side view of the lower rail non-protruded micromachine door of the present invention.

Figure 6a is a front sectional view of the upper and lower flow type airtight device when the door of the present invention is opened.

Figure 6b is a front sectional view of the vertical flow type airtight device when the door of the present invention is closed.

Figure 7a is a side cross-sectional view of the upper and lower flow type airtight device when the door of the present invention is opened.

Figure 7b is a side cross-sectional view of the vertical flow type airtight device when the door of the present invention is closed.

Figure 8 is a front view of the lower rail non-protruded micromachine door of the present invention.

9 is a perspective view of the lower rail non-protruded micromachine door of the present invention.

10 is a perspective view of another vertical flow type airtight device of the present invention.

11 is a view through the roller through the other vertical flow-type airtight device of the present invention.

12 is a side view of the lower rail non-protruding micromachine door of the present invention.

Figure 13a is a front sectional view of another up-down flow-type airtight device when the door of the present invention is opened.

Figure 13b is a front sectional view of another vertical flow type airtight device when the door of the present invention is closed.

Figure 14a is a side cross-sectional view of another vertical flow type airtight device when the door of the present invention is opened.

Figure 14b is a side cross-sectional view of another vertical flow type airtight device when the door of the present invention is closed.

Figure 15 is a front view of the lower rail non-protrusion type micro door of the present invention.

Figure 16 is a perspective view of the lower rail non-protruded micromachine door of the present invention.

17 is a perspective view of another vertical flow-type airtight device of the present invention.

18 is a view in which the roller penetrates another upper and lower airtight device of the present invention.

19 is a side view of the lower rail non-protruded micromachine door of the present invention.

20a is a front sectional view of another vertical flow-type airtight device when the door of the present invention is opened.

20b is a front sectional view of another vertical flow-type airtight device when the door of the present invention is closed.

Figure 21a is a side cross-sectional view of another vertical flow type airtight device when the door of the present invention is opened.

Figure 21b is a side cross-sectional view of another vertical flow type airtight device when the door of the present invention is closed.

(Explanation of symbols for the main parts of the drawing)

1: door 2: upper door frame 3: side frame

4: lower section frame 5: lower rail 6: roller

100: vertical flow type airtight device 101: roller insert

110: frame 111: guide groove 112: support portion

113: engaging jaw 120: push rod 121: compression spring

130: transfer member 131: permanent magnet A 140: lifting member

141: permanent magnet B 142: locking projection 150: sealing member

200: vertical flow type airtight device 201: roller insert

210: frame 211: guide groove 212: locking jaw

220: push rod 221: compression spring 230: transfer member

231: fixed support 232: leaf spring 240: elevating member

241: locking projection 250: sealing member 260: front cover

270: rear cover 280: airtight device case

300: vertical flow type airtight device 301: roller insert

310: frame 311: guide groove 312: locking jaw

320: push rod 321: compression spring 330: transfer member

331: conveying member inclined surface portion 340: elevating member 341: elevating member inclined surface portion

342: tension spring 343: locking projection 350: sealing member

360: front cover 370: rear cover 380: airtight case

Hereinafter, the present invention will be described based on the accompanying drawings.

1 is a front view of the lower rail non-protruding micro door of the present invention, and shows a micro door consisting of a door 1, an upper door frame 2, a side subframe 3, and a lower subframe 4.

At this time, the lower rail non-protrusion type micro door of the present invention has a structure in which the lower rail is buried in the lower part frame 4, and the upper and lower flow-type airtight devices 100 are installed in the lower part of the door 1, which will be described in more detail. see.

Figure 2 is a perspective view of the lower rail non-protruding fine machine door of the present invention, the side frame is omitted, in the fine door consisting of the door (1), the upper door frame (2) and the lower frame (4), the lower frame (4) The lower rail 5 is buried therein, and shows the lower rail non-protruding micro door having the upper and lower flow type airtight device 100 installed in the lower part of the door 1.

Here, the vertical flow type airtight device 100 has a roller inserting portion 101, as shown in the perspective view of FIG.

That is, the roller inserting portion 101 is formed in the vertical flow type airtight device of the prior application 'prior draft 1'.

4 is a view in which the roller 6 penetrates the upper and lower flow type airtight device 100 of FIG. 3, and shows that the roller 6 penetrates through the roller inserting portion 101 of the upper and lower flow type airtight device 100.

That is, the lower rail non-protruding micro-finger of the present invention is to penetrate the roller 6 installed in the lower portion of the door 1 through the roller inserting portion 101 of the vertical flow type airtight device 100 of the door 1. Up and down the flow-type airtight device 100 is to be installed.

FIG. 5 is a side view of the lower rail non-protruding fine machine door of the present invention, and in the micro door including the door 1, the upper door frame 2, and the lower hatch frame 4, the lower rail 5 is attached to the lower frame frame 4. It is buried and shows the lower rail non-protruding micromachine door through which the roller 6 penetrates the upper and lower flow type airtight device 100 below the door 1.

Here 'A' is a door (1) is open, the upper and lower flow type airtight device (100) shows the state raised from the lower section frame (4), 'B' the door (1) is closed, the vertical flow type airtight device (100 ) Is lowered to show a state in which the door 1 and the lower part frame 4 are sealed by the sealing member 150 of the vertical flow type airtight device 100.

At this time, it can be seen that the up and down flow-type airtight device 100 rises when the door 1 is open and descends when the door 1 is closed, which is permanently attached to the inside of the up-and-down airtight device 100. This is because it operates by attraction and repulsion between magnets.

6a to 7b below looks at the operating principle of the vertical flow-type airtight device 100 of the present invention.

Here, only the principle of operation of the vertical flow type airtight device 100 will be described, and thus, the roller 6 does not penetrate the vertical flow type airtight device 100.

Figure 6a is a front sectional view of the vertical flow type airtight device 100 when the door 1 of the present invention is opened, the vertical flow type airtight device 100 is raised, Figure 6b is the door (1) of the present invention When it is closed, it is the front sectional view of the up-down flow type airtight apparatus 100, and shows the state where the up-down flow type airtight apparatus 100 was descended.

Similarly, Figure 7a is a side cross-sectional view of the vertical flow type airtight device 100 when the door 1 of the present invention is opened, the vertical flow type airtight device 100 is raised, Figure 7b is the door (1) of the present invention When it is closed, it is a side sectional view of the up-down flow type airtight apparatus 100, and shows the state which the up-down flow type airtight apparatus 100 fell.

In more detail, the vertical flow type airtight device 100 is installed at the lower portion of the door 1 to move up or down depending on whether the door 1 and the side sub-frame 3 are in contact with each other. Compression spring 121 is fitted in the interior of the push rod 120 and; The permanent magnets A (131) having a polarity opposite to each other and connected to the push rod (120) are installed at regular intervals, and a predetermined section is formed according to the closed or open state of the door (1). A conveying member 130 for reciprocating in the horizontal direction along the guide groove 111 formed in the 110; A plurality of permanent magnets B 141 corresponding to the permanent magnets A 131 attached to the transfer member 130 are installed at equal intervals, and act as mutually changing horizontal positions of the transfer member 130. The lifting force of the magnetic force and the repulsive force of the magnetic force (斥 force) is configured by the lifting member 140 which is operated in the vertical direction to operate in alternating manner.

A locking protrusion 142 is formed at an upper side of the elevating member 140 to catch a locking jaw 113 formed at a lower portion of the frame 110 to prevent complete detachment. A sealing member is provided at a lower side of the elevating member 140. 150 is fixed to the sealing function to rise and fall integrally.

6a and 7a, in the open state of the door 1, the push rod 120 protrudes to one side of the door 1 by the elastic force of the compression spring 121 installed therein. Since the polarity of the permanent magnet A (131) attached to the conveying member 130 and the polarity of the permanent magnet B (141) attached to the elevating member 140 corresponding to each other has a different polarity, the mutual attraction force acts on the elevating member 140 maintains an elevated state.

On the contrary, in the state in which the door 1 is closed, as shown in FIGS. 6B and 7B, the tip of the pusher 120 comes into contact with the side subframe 3 and is pushed in contact with each other, so that the compression spring 121 compresses. At the same time, the transfer member 130 is moved horizontally for a certain period, and the permanent magnet A 131 attached thereto moves along with the magnet corresponding to the permanent magnet B 141 attached to the lower elevating member 140 to one side. A magnet with a different polarity will be matched.

That is, the polarity of the permanent magnet B (141) installed on the lower lifting member 140 is always the same polarity S pole, but the polarity of the permanent magnet A (131) paired to the upper transfer member 130 In order for the north pole and the south pole to be alternating, the attraction or repulsive force acts on each other.

The conveying member 130 is inserted into the guide groove 111 formed in the frame 110 to be moved only in a predetermined path, so that only a prescribed section is reciprocally linear.

In addition, the locking projections 142 formed on both side surfaces of the elevating member 140 are operated while being lifted or lowered by a predetermined section while being completely separated by the locking jaw 113 of the frame 110.

Until now, the upper and lower flow-type airtight device 100 operated up and down by manpower and repulsive force between permanent magnets was examined, but the lower rail non-protruding micro door of the present invention, firstly, the plate connected to the transfer member and the elevating member. It is also applicable to the vertical flow type airtight device which is operated up and down by the spring's bending degree. do.

First, it looks at the lower rail non-protruding microstructure by the other up and down airtight device of the present invention to which the leaf spring is applied.

8 is a front view of the lower rail non-protruding micro door of the present invention, and shows a micro door consisting of a door 1, an upper door frame 2, a side sub-frame 3 and a lower sub-frame 4.

At this time, the lower rail non-protrusion type micro door of the present invention has a structure in which the lower rail is buried in the lower part frame 4, and the upper and lower flow-type airtight devices 200 are installed in the lower part of the door 1, which will be described in more detail. see.

9 is a perspective view of the lower rail non-protruding micromachine door of the present invention, and the side frame is omitted, and in the microstructure consisting of a door (1), an upper door frame (2) and a lower frame (4), the lower frame (4) The lower rail 5 is buried therein, and shows the lower rail non-protruding micro door having the upper and lower flow type airtight device 200 installed in the lower part of the door 1.

Here, the vertical flow type airtight device 200 has a roller inserting portion 201 as shown in the perspective view of FIG.

That is, the roller inserting portion 201 is formed in the vertical flow-type airtight device of the prior application 'prior draft 2'.

FIG. 11 is a view in which the roller 6 penetrates the upper and lower flow type airtight device 200 of FIG. 10, and shows that the roller 6 penetrates through the roller inserting portion 201 of the upper and lower flow type airtight device 200.

That is, the lower rail non-protruding fine gate of the present invention passes through the roller 6 installed in the lower part of the door 1 through the roller inserting portion 201 of the vertical flow type airtight device 200, The upper and lower flow-type airtight device 200 may be installed.

12 is a side view of the lower rail non-protruding micromachine door of the present invention, in the microstructure consisting of a door 1, an upper door frame 2, and a lower subframe 4, the lower rail 5 on the lower subframe 4; This is buried, and shows the lower rail non-protruding micromachine door through which the roller 6 penetrates the upper and lower flow type airtight device 200 below the door 1.

Here 'A' is a door (1) is open, the upper and lower flow type airtight device 200 shows the state raised from the lower frame (4), 'B' the door (1) is closed, the vertical flow type airtight device (200 ) Is lowered to show a state in which the door 1 and the lower part frame 4 are closed by the sealing member 250 of the vertical flow type airtight device 200.

At this time, it can be seen that the vertical flow type airtight device 200 rises when the door 1 is opened and descends when the door 1 is closed, which means that the vertical flow type airtight device 200 is transferred to the conveying member and the elevating member. This is because it works up and down depending on the degree of bending of the leaf spring connected.

13a to 14b below looks at the operation principle of another up and down airtight device 200 of the present invention.

Since only the operation principle of the vertical flow type airtight device 200 will be described here, the roller 6 will not be penetrated by the vertical flow type airtight device 200.

13A is a front sectional view of the vertical flow type airtight device 200 when the door 1 of the present invention is opened, and the vertical flow type airtight device 200 is raised, and FIG. 13B shows the door 1 of the present invention. When it is closed, it is the front sectional view of the up-down flow type airtight apparatus 200, and shows the state where the up-down flow type airtight apparatus 200 was descended.

Similarly, Figure 14a is a side cross-sectional view of the vertical flow type airtight device 200 when the door 1 of the present invention is opened, the vertical flow type airtight device 200 is raised, Figure 14b is the door (1) of the present invention When this is closed, as the side cross-sectional view of the vertical flow type airtight device 200, it shows a state in which the vertical flow type airtight device 200 is lowered.

In more detail, the vertical flow type airtight device 200 is installed at the lower part of the door 1 to rise or fall depending on whether the door 1 and the side sub-frame 3 are in contact with the compression spring 221. A push rod 220 installed; A front cover 260 having a groove in which the pusher 220 is installed and covering the front; The transfer member 230 to be reciprocated in a horizontal direction along the guide groove 211 formed in the frame 210 in accordance with the closing and opening of the door (1) to be operated by being connected to the push rod 220 ; A leaf spring 232 connected to both ends of the transfer member 230 and the fixed support 231 and connected to the elevating member 240 while the center portion is bent to wreak the elevating member 240 according to the degree of bending; A lifting member 240 connected to the leaf spring 232 and operated vertically and vertically according to the front and rear movement of the transfer member 230; A sealing member 250 inserted into the elevating member 240 to maintain airtightness; An airtight device case 280 for allowing each member to be configured in place; It consists of a rear cover 270 that covers the opposite end of the front cover 260.

A locking protrusion 241 is formed at an upper side of the elevating member 240 to prevent a complete detachment by being caught by a locking jaw 212 formed at a lower portion of the frame 210, and a sealing member at a lower side of the elevating member 240. 250 is fixed to the sealing function to rise and fall integrally. The sealing member 250 may be both a rubber packing and a mohair having elasticity.

13a and 14a, in the open state of the door 1, the push rod 220 protrudes to one side of the door 1 by the elastic force of the compression spring 221 installed therein. The elevating member 240 maintains the raised state while the bending degree of the plate spring 232 connected to both ends of the conveying member 230 and the fixed support 231 and connected to the elevating member 240 is bent while the center portion is bent.

On the contrary, in the state in which the door 1 is closed, as shown in FIGS. 13B and 14B, the tip of the pusher 220 comes into contact with the side sub-frame 3 and is pushed into contact, thus compressing the compression spring 221. At the same time, the elevating member 240 is lowered while the bending degree of the plate spring 232 connected to both ends of the conveying member 230 and the fixed support 231 and connected to the elevating member 240 while the center is bent is strengthened. Keep it.

The transfer member 230 is inserted into the guide groove 211 formed in the frame 210 to be moved only in a predetermined path, so that only a prescribed section is reciprocated linear movement.

In addition, the locking projections 241 formed on both side surfaces of the elevating member 240 are operated while being lifted or lowered by a predetermined section while being completely separated by the locking jaw 212 of the frame 210.

Second, it looks at the lower rail non-protruding micro-gate by another vertical flow-type airtight device 300 of the present invention to which the tension spring is applied.

FIG. 15 is a front view of the lower rail non-protruding micro door of the present invention, and shows a micro door including a door 1, an upper door frame 2, a side subframe 3, and a lower subframe 4.

At this time, the lower rail non-protruding micro door of the present invention has a structure in which the lower rail is buried in the lower part frame 4, and the upper and lower flow-type airtight devices 300 are installed in the lower part of the door 1, and this will be described in detail. see.

Figure 16 is a perspective view of the lower rail non-protruding micro-machine door of the present invention, the side frame is omitted, in the fine door consisting of the door (1), the upper door frame (2) and the lower frame (4), the lower frame (4) The lower rail 5 is buried therein, and shows the lower rail non-protruding micro door having the vertical flow type airtight device 300 installed below the door 1.

Here, the vertical flow type airtight device 300 has a roller inserting portion 301, as shown in the perspective view of FIG. 17.

That is, the roller inserting portion 301 is formed in the vertical flow type airtight device of the prior application 'prior draft 3'.

FIG. 18 is a view in which the roller 6 penetrates the upper and lower flow type airtight device 300 of FIG. 17, and shows that the roller 6 penetrates through the roller insertion portion 301 of the upper and lower flow type airtight device 300.

That is, the lower rail non-protruding micro-finger of the present invention is to penetrate the roller 6 installed in the lower portion of the door 1 through the roller inserting portion 301 of the vertical flow type airtight device 300 to The upper and lower flow-type airtight device 300 is to be installed.

19 is a side view of the lower rail non-protruding fine machine door of the present invention, and in the micro door comprising the door 1, the upper door frame 2 and the lower frame 4, the lower rail 5 in the lower frame 4 This is buried, and shows the lower rail non-protruding micro-machine door through which the roller 6 penetrates the upper and lower flow-type airtight device 300 below the door 1.

Here 'A' is the door (1) is open, the upper and lower flow type airtight device (300) shows the state raised from the lower section frame (4), 'B' the door (1) is closed, the vertical flow type airtight device (300) ) Is lowered to show a state in which the door 1 and the lower part frame 4 are sealed by the sealing member 350 of the vertical flow type airtight device 300.

In this case, it can be seen that the vertical flow type airtight device 300 rises when the door 1 is opened and descends when the door 1 is closed, which is a conveying member in which the vertical flow type airtight device 300 is formed with a comb surface. This is because the lateral and inclined surfaces operate up and down by a tension spring connected to the molded lifting member.

20a to 21b looks at the operation principle of another vertical flow-type airtight device 300 of the present invention.

Since only the operation principle of the vertical flow type airtight device 300 is described here, the roller 6 is not penetrated to the vertical flow type airtight device 300.

20A is a front sectional view of the vertical flow type airtight device 300 when the door 1 of the present invention is opened, and the vertical flow type airtight device 300 is raised, and FIG. 20B shows the door 1 of the present invention. When it is closed, it is a front sectional view of the up-down flow type airtight apparatus 300, and shows the state which the up-down flow type airtight apparatus 300 descended.

Similarly, Figure 21a is a side cross-sectional view of the vertical flow type airtight device 300 when the door 1 of the present invention is opened, the vertical flow type airtight device 300 is raised, Figure 21b is the door (1) of the present invention When it is closed, it is a side sectional view of the up-down flow type airtight apparatus 300, and it shows the state where the up-down flow type airtight apparatus 300 was lowered.

In more detail, the vertical flow type airtight device 300 is installed at the lower part of the door 1 to be raised or lowered according to whether the door 1 and the side sub-frame 3 are contacted with a compression spring 321 therein. A push rod 320 installed; A front cover 360 having a groove in which the push rod 320 is installed and covering the front; The inclined surface portion 331 is reciprocated in a horizontal direction along a guide groove 311 formed in the frame 310 according to the closing and opening of the door 1 to be operated by being connected to the push rod 320. A transfer member 330 which is formed; When the conveying member 330 is moved horizontally, the elevating member 340 is formed with a comb surface portion 341 to be operated in the vertical direction, up and down; A sealing member 350 inserted into the elevating member 340 to maintain airtightness; A tension spring 342 connecting the transfer member 330 and the elevating member 340 to restore the elevating member 340 to its original position when the door is opened; An airtight device case 380 for allowing each member to be in place; It consists of a rear cover 370 covering the opposite end of the front cover 360.

A locking protrusion 343 is formed at an upper side of the elevating member 340 to catch a locking jaw 312 formed at a lower portion of the frame 310 to prevent complete detachment. A sealing member is provided at a lower side of the elevating member 340. The 350 is fixed to the sealing function while rising and falling integrally. The sealing member 350 may be both a rubber packing and a mohair having elasticity.

In the open state of the door (1) as shown in Figure 20a and 21a, by the elastic force of the compression spring 321 installed therein, the push rod 320 is protruded to one side of the door (1), the transfer The elevating member 340 is kept up by the tension spring 342 connecting the member 330 and the elevating member 340.

On the contrary, in the state in which the door 1 is closed, as shown in FIGS. 20B and 21B, the tip of the pusher 320 comes into contact with the side subframe 3 and is pushed into contact, thus compressing the compression spring 321. At the same time, the push rod 320 pushes the conveying member 330 and the raising member comb surface portion 331 formed on the conveying member 330 pushes the elevating member comb surface portion 341 facing each other. The elevating member 340 integrated with the inclined surface portion 341 maintains the lowered state.

The conveying member 330 is inserted into the guide groove 311 formed in the frame 310 to be moved only in a predetermined path, so that only a prescribed section is reciprocally linear.

In addition, the locking projections 343 formed on both side surfaces of the elevating member 340 are operated while being lifted or lowered by a predetermined section while being completely prevented by the locking jaw 312 of the frame 310.

In the lower rail non-protrusion type microstructure of the present invention, the lower rail 5 is buried in the lower part frame 4 to flatten the bottom surface, so that foreign matters such as dust accumulate on the lower rail 5 and the foot is caught. In addition, the concept of space separation can be eliminated to increase the usability of indoor space.

In addition, the roller insertion portion (101), (201), or (301) of the vertical flow type airtight device (100), (200) or (300) passes through the roller (6) below the door (1). By allowing the perforated roller 6 to be driven on the lower rail 5 embedded in the lower frame 4, the size of the door is limited to the size of the door unlike a conventional hanger door in which the roller on the upper door drives the upper rail. When the door 1 is closed, the upper and lower flow type airtight devices (100, 200, or 300) are lowered to surround the lower rail 5 so that the door 1 and the lower frame 4 are closed. It has a perfect windproof function and soundproof function to prevent the gap between the), when opening the door (1), the vertical flow-type airtight device (100, 200 or 300) is raised to have a smooth mobility.

Claims (4)

In the micro door consisting of the door (1), the upper door frame (2), the side section frame (3) and the lower section frame (4), the roller insertion portion of the vertical flow type airtight device (100, 200, or 300) The lower rail 5 in which the roller 6 of the lower part of the door 1 penetrates through (101), (201) or (301), and the roller 6 of the lower part which was penetrated was buried in the lower frame 4 The lower rail non-protruded micro instrument door, characterized in that it is mounted on the. According to claim 1, Up and down flow-type airtight device 100 is installed in the lower portion of the door (1) is raised or lowered depending on whether the door (1) and the side sub-frame (3) to the compression spring 121 therein A push rod 120 fitted thereto; The permanent magnets A (131) having a polarity opposite to each other and connected to the push rod (120) are installed to be attached at regular intervals, and a predetermined section is opened according to the closing and opening of the door (1). Transfer member 130 to reciprocate in the horizontal direction along the guide groove 111 formed in the) and; A plurality of permanent magnets B 141 corresponding to the permanent magnets A 131 attached to the transfer member 130 are installed at equal intervals, and the attraction force of the magnetic force according to the horizontal position change of the transfer member 130. The door (1) on the roller inserting portion (101) of the vertical flow type airtight device (100), which is a device composed of lifting members (140) operated up and down in a vertical direction so that a pull force and a repulsive force change. The lower roller 6 is penetrated, and the lower roller 6 is mounted on the lower rail 5 buried in the lower frame 4, and the lower rail non-protruding finer door is characterized in that it is mounted. . According to claim 1, Up and down flow-type airtight device 200 is installed in the lower portion of the door (1) is raised or lowered depending on whether the door (1) and the side sub-frame (3) to the compression spring 221 therein A push rod 220 installed therein; A front cover 260 having a groove in which the pusher 220 is installed and covering the front; The transfer member 230 to be reciprocated in a horizontal direction along the guide groove 211 formed in the frame 210 in accordance with the closing and opening of the door (1) to be operated by being connected to the push rod 220 ; A leaf spring 232 connected to both ends of the transfer member 230 and the fixed support 231 and connected to the elevating member 240 while the center portion is bent to wreak the elevating member 240 according to the degree of bending; A lifting member 240 connected to the leaf spring 232 and operated vertically and vertically according to the front and rear movement of the transfer member 230; A sealing member 250 inserted into the elevating member 240 to maintain airtightness; An airtight device case 280 for allowing each member to be configured in place; The roller 6 at the lower part of the door 1 penetrates through the roller inserting portion 201 of the vertical flow type airtight device 200, which is a device composed of a rear cover 270 covering the opposite end of the front cover 260, The lower rail non-protruding fine door, characterized in that the penetrated lower roller (6) is mounted on the lower rail (5) buried in the lower part frame (4). According to claim 1, Up and down flow-type airtight device 300 is installed in the lower portion of the door (1) is raised or lowered depending on whether the door (1) and the side sub-frame (3) to the compression spring 321 therein A push rod 320 fitted thereto; A front cover 360 having a groove in which the push rod 320 is installed and covering the front; The inclined surface portion 331 is reciprocated in a horizontal direction along a guide groove 311 formed in the frame 310 as the door 1 is closed and opened by being connected to the push rod 320. A transfer member 330 which is formed; When the conveying member 330 is moved horizontally, the elevating member 340 is formed with a comb surface portion 341 to be operated in the vertical direction, up and down; A sealing member 350 inserted into the elevating member 340 to maintain airtightness; A tension spring 342 connecting the transfer member 330 and the elevating member 340 to restore the elevating member 340 to its original position when the door is opened; An airtight device case 380 for allowing each member to be in place; The roller 6 at the lower part of the door 1 penetrates through the roller insertion portion 301 of the vertical flow type airtight device 300, which is a device composed of a rear cover 370 covering the opposite end of the front cover 360, The lower rail non-protruding fine machine door, characterized in that the penetrated lower roller (6) is mounted on the lower rail (5) buried in the lower part frame (4).