JP6537040B2 - Dustproof sheet and method of laying the same - Google Patents

Description

  The present invention relates to a dustproof sheet laid to cover the periphery of a generation site in order to prevent dust generated at a construction site from diffusing into the surrounding area, and a method of laying the same.

  At a construction site, dust and noise may be generated, such as crushing or scraping a part of the structure. In order to solve this problem, the technology of Patent Document 1 has been developed.

  In Patent Document 1, it is possible to easily create an enclosed space without sticking a gum tape to a ceiling. In the technology of Patent Document 1, the sheet material is set to be longer than the height from the floor to the ceiling, so that the sheet material suspended from the ceiling gets to the floor and the sheet material remaining on the floor plays the role of weight Play to improve the seal between the floor and the sheet material.

Patent No. 4217983

  In the conventional dustproof sheet, the space enclosed by the sheet can be sealed, but when ventilation is desired, the problem is that it takes time and effort to turn up the sheet material.

  In the conventional dustproof sheet, there are times when attaching the fastener in the direction of the sheet material for entering and exiting, opening the fastener when you want to enter and exiting, and closing the fastener when the entry and exit are finished. If there are too many sheet materials laid on the floor, the movement of the laid sheet material is heavy at the time of entry and exit, and it may be difficult to smoothly enter and exit.

The dustproof sheet according to the present invention is characterized in that firstly, the dustproof sheet for partitioning the dust generation area in the structure provided with the ceiling and the other area is provided with a runner and a sponge facing the upper surface of the runner. In addition to the above, an open box is provided at the bottom of the runner,
Second, in addition to the first feature, the sheet material of the dustproof sheet laid between the ceiling surface and the floor surface is between the outer lower surface of the open box and the upper surface of the sheet fixture facing the surface. It is characterized by being pinched and fixed,
Third, in addition to the second feature, the by comprising a blower and dustpan filter to the open box Fourth, in addition to the second or third aspect, the opening of the open box Fifth, in addition to the third feature, having a lid that closes the mouth, and having a wind direction changing hood that directs the direction of air supply from the open box from the ceiling to the floor. In the seventh aspect of the dustproof sheet laying method of the present invention, the sheet material laid between the ceiling surface and the floor surface is held through the open box in addition to the first feature. In addition to the sixth feature, the sheet material is characterized by freely adjusting and holding the distance from the floor surface through the open box.

The dustproof sheet according to the present invention is characterized in that firstly, the dustproof sheet for partitioning the dust generation area in the structure provided with the ceiling and the other area is provided with a runner and a sponge facing the upper surface of the runner. In addition to the above, in the case where an open box is provided at the lower part of the runner, the dustproof sheet is laid by equipping the open box with various instruments or by suspending various instruments. It is possible to control the degree of air cleanliness and the like in the Further, in addition to the first feature, the sheet material of the dustproof sheet laid between the ceiling surface and the floor surface is pinched between the outer lower surface of the open box and the upper surface of the sheet fixture facing the surface. In the case of providing the second feature which is rare and fixed, the air in the area surrounded by the dustproof sheet can be provided by mounting the various tools on the open box with respect to the space covered by the dustproof sheet. It is possible to control the cleanliness of the air conditioner or the air cleanliness of the external area partitioned by the dustproof sheet. In addition to the second feature, in the case where the open box has a third feature including a blower and a dust filter, air feeding or suctioning by a blower to a region partitioned by the dustproof sheet The air can be filtered with air supply or air intake. In addition to the second or third feature, in the case of the fourth feature having a lid for closing the opening of the open box, the area partitioned by the dustproof sheet can be easily sealed. In addition to the third feature, in the case of the fifth feature having a wind direction changing hood that directs the direction of air supply from the open box from the ceiling to the floor, the area divided by the dustproof sheet An air flow can be created from the ceiling to the floor along the dustproof sheet inside or outside thereof. In addition to the first feature, when the sheet material laid between the ceiling surface and the floor surface has the sixth feature to be held through the open box, it is optimal according to the ceiling height of the laying The sheet material can be suspended with a short length. In addition to the sixth feature, in the case of the dustproof sheet laying method having the seventh feature, the sheet material is freely adjusted and held at a distance from the floor surface through the open box. If desired, the sheet material can be lowered to the floor and further lowered to be left along the floor, and the sheet material can be raised upwards so that the user can pass through the sheet when entering and leaving.

It is the perspective view which showed the use condition of the 1st Example of this invention. It is a side sectional view showing the condition of use of a 2nd example of the present invention. It is the sectional side view which showed the condition of use of the 3rd example of the present invention. It is a side sectional view showing the condition of use of a 4th example of the present invention. It is the sectional side view which showed the use condition of the 5th Example of this invention. It is the perspective view which showed the use condition of the 6th Example of this invention. It is the perspective view which showed the use condition of the 7th Example of this invention. FIG. 21 is a perspective view showing a first state of the eighth embodiment of the present invention. FIG. 21 is a perspective view showing a second state of the eighth embodiment of the present invention. It is the perspective view which showed the use condition of the 9th Example of this invention.

The best mode for carrying out the invention is a dustproof sheet for separating a dust generation area in a structure provided with a ceiling and another area, the dustproof sheet being laid between the ceiling surface and the floor surface In addition to the feature that the ceiling end of the material is provided with the runner and the sponge opposed to the upper surface of the runner, a through box is provided at the lower part of the runner, and further between the ceiling surface and the floor surface The sheet material of the dustproof sheet to be laid is sandwiched and fixed between the outer lower surface of the through box and the upper surface of the sheet fixing member opposed to this surface, and velcro on one surface of the sheet material Attaching a (registered trademark) scalpel and attaching a velcro (registered trademark) male to the other side of the sheet material, and the upper surface of the runner is covered by the ceiling side end of the sheet material And an area not facing the sponge, and an area where the lower surface of the sponge is covered by the ceiling side end of the sheet material but not facing the runner. And the scalpel of the Velcro (registered trademark) is attached to the sheet material of the vertical part of the runner area not facing the sponge, and the vertical part of the sponge area not facing the runner the male of the Velcro to the sheet material (registered trademark) is installed, further telescopic rod the lower surface of the sheet fastener provided under the outer lower surface of the open box provided below the runner And the telescopic rod can be freely inclined at an angle between its axial direction and the top surface of the runner to an angle other than vertical. That is dust-proof sheet.

A first embodiment of the present invention is shown in FIG. In FIG. 1, as the dustproof sheet 1, a connecting portion of two adjacent sheets, that is, a front dustproof sheet 2 and a back dustproof sheet 3 is drawn. The dustproof sheet is mainly composed of a runner 4 which is a U-shaped lower opening made of steel, an open box 5, a transparent sheet 6 containing yarn and a sponge 7. Although not shown in the drawings, each dustproof sheet is under the outer lower surface of the open box provided at the lower portion of the runner having a groove in the lower surface portion as illustrated in FIG. 1 of Patent Document 1 The dustproof sheet is supported in such a manner that the lower surface of the provided sheet fixture is pushed upward from below by a telescopic rod toward the ceiling. As shown in FIG. 1, the sheet material is sandwiched between the lower surface of the open box and the upper surface of the sheet fixing part 8 which is a U-shaped lower opening made of steel, and the transparent sheet containing yarn of the front dustproof sheet The right end is aligned with the right end of the open box of the front dustproof sheet. A male type Velcro (registered trademark) 9 is attached to the right end. A sponge is attached to the upper surface of the runner, but in the front dustproof sheet, the right end portion of the upper surface of the runner is exposed without being partially covered with the sponge. This is exposed to be covered with a sponge attached to the back dustproof sheet, as will be described in detail later. At the left end of the back dustproof sheet, the runner and the end of the open box are aligned, and the sponge projects in the left direction. In addition, the left end of the thread-containing transparent sheet material attached to the lower surface of the open box protrudes in the left direction as with the sponge. A female type Velcro (registered trademark) 10 is attached to the protruding portion. When the front dustproof sheet and the rear dustproof sheet of FIG. 1 are actually installed at the site, the right end and the left end of each runner are brought into contact with each other and installed. The open boxes of both dustproof sheets are also in contact with each other. The thread-containing transparent sheet material of the back dust-proof sheet is protruding, and a female type velcro tape is attached to the protruding part, so that this female type is brought into close contact with the male type of the front dust-proof sheet. For the upper surface of the runner near the end, the sponge with the back dustproof sheet covers the top surface of the runner with the dustproof sheet exposed, and press it against the ceiling to combine the front dustproof sheet and the back dustproof sheet. Used as a dustproof enclosure to cover the area where dust is generated. In this embodiment, the portion covered with the transparent sheet containing yarn is highly airtight, but ventilation can be performed between the inside and the outside of the enclosure through the upper open box portion. Since the depth of the open box exists when air passes through the open box, the dust generated inside is absorbed by the inner wall of the open box and the spread of dust to the outside can be suppressed. The lower end of the thread-containing transparent sheet material is individually rounded in FIG. 1, but at the time of installation, it is stretched once, and female and male type Velcro strips are brought into close contact to unite the back dustproof sheet and the front dustproof sheet. Then round the bottom edge.

A second embodiment of the present invention will be described with reference to FIG. FIG. 2 is a side sectional view of the dustproof sheet of the present invention. The left side of FIG. 2 is an area where dust is generated, and the right side of the dustproof sheet is an area of normal clean air. The dustproof sheet 1 pressed against the ceiling 100 has a structure similar to that of FIG. 1 and is composed of a sponge 7, a runner 4, an open box 5 , a thread-containing transparent sheet material 6, and a sheet fixing part 8 from the top. A motor driven fan 12 is disposed inside the open box, and a dust removing filter 13 is disposed on the left side of the fan, that is, on the side where dust is generated. The fan operates in the direction in which the air moves from left to right as shown by the arrows in the figure, that is, in the direction of drawing in the air inside the enclosure. As a result, the dusty air inside the enclosure is cleaned with a dust filter and drawn into the outside, and the negative pressure inside the enclosure is more effective for the dust to leak out from other parts. Can be prevented.

  A third embodiment of the present invention will be described with reference to FIG. FIG. 3 is a side sectional view of a dustproof sheet having substantially the same structure as that of FIG. The difference is that the open box is closed with a lid 14. This configuration makes it possible to seal the area surrounded by the dustproof sheet.

  A fourth embodiment of the present invention will be described with reference to FIG. A motor driven fan 12 is disposed in the open box, and FIG. 4 is a side sectional view of a dustproof sheet having substantially the same structure as FIG. A downward hood 15 is provided on the inner side of the dustproof sheet of the open box. Here, the inner surface is the surface facing the closed space surrounded by the dustproof sheet. Clean air from the outside of the enclosure is drawn into the enclosure through the fan. The direction of the air taken in is downflowed by the downward hood to prevent the air inside the enclosure from being unnecessarily stirred and dusting up. Although the inside of the enclosure has a slight positive pressure by this entrapped air, the internal air escapes to the outside through the clearance between the yarn-containing transparent sheet material and the floor or the slight clearance between the yarn-containing transparent sheet materials, which is called a slight positive pressure. The situation is maintained.

  A fifth embodiment of the present invention will be described with reference to FIG. A motor driven fan 12 is disposed in the open box, and FIG. 5 is a side sectional view of a dustproof sheet having substantially the same structure as FIG. The downward hood 15 is provided on the inner surface of the dustproof sheet of the open box, and the thread-containing transparent sheet material 6 is rolled up. Here, the inner surface is the surface facing the closed space surrounded by the dustproof sheet. Clean air from the outside of the enclosure is drawn into the enclosure through the fan. The direction of the air taken in is made down flow by the downward hood, and in addition to preventing the air inside the enclosure from being unnecessarily stirred and soaking dust, a portion where the yarn-containing transparent sheet material is scooped up In this case, the internal dust and dirt are prevented from spreading to the outside. This downflow allows people and equipment to enter and leave freely at the upturned part, and also to suppress the external diffusion of dust and dirt.

A sixth embodiment of the invention is shown in FIG. FIG. 6 shows the elements constituting one dustproof sheet unit 16. It is in the middle of assembling. It consists of three major components. The front dustproof sheet substrate 17, the back dustproof sheet substrate 18, and the thread-containing transparent sheet material 6. The dustproof sheet unit is mainly composed of a sponge 7, a runner 4 which is a steel pipe-like square member, and a U-shaped open box 19. Although not shown in the drawings, each dustproof sheet unit is similar to that depicted in FIG. 1 of Patent Document 1, but the outer and lower surfaces of an open box provided at the lower portion of a runner having a groove in the lower surface. The dustproof sheet is supported in such a manner that the lower surface of the sheet fixture provided below is pushed upward from the bottom with a telescopic rod toward the ceiling. As shown in FIG. 6, the sheet holding parts are U-shaped in which the openings of the respective dustproof sheet units face each other, and by combining the two dustproof sheet units, the sheet holding parts on the rectangular shape are formed. It becomes. The yarn-containing transparent sheet material is configured to be suspended through the V-shaped opening of the sheet holding component. The details of the condition of the inner wall of the open part of the letter "-" will be described. The support surface 20 supporting the transparent sheet containing yarn from the bottom has a smooth surface so that the sheet can move smoothly, and the ceiling surface 21 is provided with a brush and is in contact with the sheet. This brush has two roles. One is a role as a filter to prevent dust and dirt generated in the area surrounded by the dustproof sheet from leaking to the outside, and the other is a role to remove dust and dirt adhering to the sheet material . The latter role is exhibited when the sheet material is suspended by the sheet holding component. When the sheet material is slipped through this holding part, the sheet material moves while touching the brush, which means brushing. Of the two surfaces of the sheet material, more dust and dirt adhere to the surface that becomes the inner surface at the time of enclosure, so it is more effective to assemble the surface so that it touches the brush. When removing an enclosure made of a dustproof sheet, the brush can be used to effectively and efficiently brush the sheet material.

  The seventh embodiment of the present invention will be described with reference to FIG. It is an example of the dustproof sheet unit 23 with a fastener provided with the fastener 22 for in and out. Fasteners are attached longitudinally to the central portion of the yarn-containing transparent sheet 6 '. The other parts are the same as the embodiment shown in FIG. The lower end of the thread-containing transparent sheet is rolled as shown in the figure to serve as a heavy stone, and the fastener is closed from the ceiling to the floor even if it is closed, and is kept open from the rolled part. Make it easy to do the work of fully opening the fasteners. FIG. 7 depicts the fully open state. Since the sheet material is suspended at the opening of the U-shaped opening sheet material holding part 24, it is possible to adjust the substantial length of the sheet material in a state easy to use. In FIG. 7, the sheet material was suspended in the state of protruding about 30 cm to the other side of the opening. As a result, the sheet material can be stably suspended, and the rolled weight portion is also in a proper amount.

  The first state of the eighth embodiment of the present invention is shown in FIG. 8, and the second state is shown in FIG. FIG. 8 shows a state in which the dustproof sheet containing yarn is not suspended. FIG. 8 is characterized in that it originally has a U-shaped opening sheet material holding part 24 provided with a U-shaped opening. A runner 4 and a sponge 7 are attached to the upper portion of the open sheet material holding part. In this state, people can pass on the floor 101 below the dustproof sheet unit 16 without hindrance.

  In the second state shown in FIG. 9, the yarn-containing transparent sheet material 6 is suspended. This embodiment is characterized in that the sheet material can be suspended (FIG. 9) or removed (FIG. 8) as necessary.

  The ninth embodiment of the present invention is shown in FIG. A handle 25 is attached to the thread-containing transparent sheet material 6 suspended on the dustproof sheet unit 16 in this embodiment. The dustproof sheet unit is composed of a sponge 7, a runner 4, and a U-shaped opening sheet material holding part 24. In this example, the thread-containing transparent sheet material is lifted upward to be away from the floor 101 for people to pass. When you want to seal, grab the handle and pull the sheet down.

  The dustproof sheet according to the present invention is used at a construction site or the like, in the case where dust or noise or both occur, so as not to be a nuisance in the vicinity or the like.

1 Dust-proof sheet, 2 front dust-proof sheet, 3 back dust-proof sheet, 4 runner, 5 open box, 6 and 6 'transparent sheet material with yarn, 7 sponge, 8 sheet fixing parts, 9 male type Velcro (registered trademark), 10 female Type Velcro (registered trademark), 11 open box, 12 fans, 13 dust filters, 14 lids, 15 downward hoods, 16 dustproof sheet units, 17 front dustproof sheet base materials, 18 back dustproof sheet base materials, 19-shaped Open box, 20 support surface, 21 ceiling surface, 22 fasteners, 23 dustproof sheet unit with fastener, 24 square-shaped opening sheet material holding parts, 25 handles, 100 ceilings, 101 floors

Claims (6)

In addition to the feature that the dust-proof sheet which separates the dust generation area in the structure with the ceiling from the other area is provided with the runner and the sponge opposed to the upper surface of the runner, the open box at the bottom of the runner And the sheet material of the dustproof sheet laid between the ceiling surface and the floor surface is sandwiched and fixed between the outer lower surface of the open box and the upper surface of the sheet fixture facing the surface. Dustproof sheet characterized by being The dustproof sheet according to claim 1 , wherein the lower end of the sheet material is rounded to have a role of a heavy stone. The dustproof sheet according to claim 2, wherein the open box is provided with a blower and a dust removal filter. The dustproof sheet according to claim 3, further comprising: a wind direction changing hood for directing a direction of air supplied from the open box from a ceiling to a floor direction. Claim 1The dustproof sheet described in, The sheet material laid between the ceiling surface and the floor surface OpenDustproof sheet characterized by being held through a box A method of laying a dustproof sheet, characterized in that the sheet material of the dustproof sheet having the feature according to claim 5 is freely adjusted and held at a distance from the floor surface through the open box.

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