JP7356901B2 - How to remove roll-type screen door and screen body - Google Patents

Description

The present invention relates to a roll-type screen door and a method for removing the screen.

Conventionally, roll-type screen doors are known that include a rotatable winding shaft and a net that can be wound around the winding shaft and pulled out from the winding shaft. (See Reference 1). In the roll-type screen door of Patent Document 1, maintenance such as cleaning of the screen can be performed by removing both the screen and the winding shaft when removing the screen.

Japanese Patent Application Publication No. 2006-233484

However, in the roll-type screen door described in Patent Document 1, when removing the screen, it is necessary to remove both the screen and the winding shaft. Therefore, the work to remove the net is large-scale, and it may be difficult to remove the net. Therefore, it is desirable to be able to easily remove the net and improve the ease of maintenance such as cleaning.

An object of the present invention is to provide a roll-type screen door whose screen body can be easily removed.

The present invention provides a roll-type screen door comprising a rotatable take-up shaft and a net that can be wound up on the take-up shaft and pulled out from the take-up shaft, The winding shaft has a mesh mounting groove formed to extend in the axial direction and to which an end of the mesh is attached, and the mesh mounting groove is formed in at least one axial direction of the winding shaft. The present invention relates to a roll-type screen door in which an end portion of the screen passes through the screen in the axial direction.

FIG. 2 is a perspective view of the roll-type screen door according to one embodiment viewed from the indoor side with the door open. FIG. 2 is a perspective view of the roll-type screen door viewed from the indoor side in a closed state. It is a cross-sectional view of a roll screen door. It is a perspective view showing a winding shaft part. FIG. 3 is a perspective view showing the mounting structure of the upper end of the winding shaft. FIG. 3 is a perspective view of the mounting structure for the lower end of the winding shaft, viewed diagonally from above. FIG. 3 is a perspective view of the mounting structure for the lower end of the take-up shaft, viewed diagonally from below. FIG. 3 is a cross-sectional view showing a structure for attaching the base end of the net to the winding shaft. It is a figure which shows the structure which stops rotation of a winding-up shaft part. It is a figure which shows the procedure of removing a net, Comprising: It is a figure which shows the state which removed the front-end|tip of the net from the movable frame. It is a figure which shows the procedure for removing a net, and is a figure which shows the state in the middle of extracting a net to the proximal end side. It is a figure which shows the procedure of removing a net, Comprising: It is a figure which shows the state which pulled out the net by the base end side. It is a figure which shows the procedure of removing a net, Comprising: It is a figure which shows the state which pulls out a net from a winding-up shaft part.

Hereinafter, one embodiment of the present invention will be described in detail with reference to the drawings. In addition, in this specification, the "viewing direction" refers to the surface direction of the shoji 12 of the window sash 1 attached to the opening 100a (see FIG. 3) of the building frame 100, or the winding shaft of the roll-type screen door 2. 3 refers to the surface direction of the net 4 pulled out from the net 4. The “expectation direction” means the thickness direction of the shoji 12 or the thickness direction of the screen body 4 pulled out from the winding shaft portion 3 of the roll-type screen door 2. "Front surface" means the respective surfaces of the window sash 1 or roll-type screen door 2 that face the outdoor side and the indoor side, and "face-to-face" means the surfaces facing the indoor and outdoor sides of the window sash 1 or roll-type screen door 2. means an extending surface. In the drawings, the outdoor side is indicated as "OUTSIDE," and the indoor side is indicated as "INSIDE."

The roll-type screen door 2 of this embodiment is attached to the indoor side of the shoji 12 of the window sash 1, as shown in FIGS. 1 and 2. In the present embodiment, the roll-type screen door 2 constitutes a roll-type screen door of a horizontal pull type. The window sash 1 and the roll-type screen door 2 are attached to an opening 100a of a building frame 100, as shown in FIG.

The window sash 1 will be explained. As shown in FIGS. 1 and 2, the window sash 1 includes a rectangular window frame 11, a shoji 12, and a lever handle 13. The window frame 11 has an upper frame 111, a lower frame 112, and a pair of vertical frames 113, 114, and is formed by assembling these into a rectangular shape. The shoji 12 is provided within the window frame 11 so that it can be opened and closed.

As shown in FIG. 3, the pair of vertical frames 113 and 114 each have vertical frame bodies 113a and 114a and vertical frame extension frames 113b and 114b. The vertical frame bodies 113a and 114a are arranged outside the left-right ends of the shoji 12 in the left-right direction. The vertical frame extension frames 113b and 114b extend from the corners of the outer ends of the vertical frame bodies 113a and 114a in the left-right direction toward the indoor side in the forward direction. Attachment grooves 113c and 114c are formed in the prospective surfaces of the vertical frame extension frames 113b and 114b. The frame fixing plate 14 is attached to the attachment groove 113c of the vertical frame 113 on one side in the left-right direction (for example, the left side in FIG. 3). The frame fixing plate 15 is attached to the attachment groove 114c of the vertical frame 114 on the other side in the left-right direction (for example, the right side in FIG. 3).

The shoji 12 is provided in the window frame 11 so as to be openable and closable, and is opened by rotating around the vertical axis while sliding toward the outside. As shown in FIGS. 1 to 3, the shoji 12 includes a framed frame body 120 and a glass 125 placed inside the frame body 120. The frame body 120 is framed in a rectangular shape by an upper frame 121, a lower frame 122, and a pair of vertical frames 123 and 124. Glass 125 is fitted into frame 120 and fixed.

The roll-type screen door 2 will be explained. The roll-type screen door 2 is arranged on the indoor side of the window sash 1 in the direction in which the shoji 12 is projected. As shown in FIGS. 1 to 3, the roll-type screen door 2 includes a storage vertical frame 5, a winding shaft 3 (see FIG. 3) housed in the storage vertical frame 5, and a winding shaft 3 on the winding shaft 3. A net body 4 that can be pulled out and pulled out from the winding shaft 3, a movable frame 6 fixed to the tip of the net body 4, upper and lower guide horizontal frames 71, 72, and a vertical frame on the tip side of the net body. 8. A screen door opening 2a formed inside the storage vertical frame 5, the guide horizontal frames 71 and 72, and the screen front end side vertical frame 8 can be opened and closed by the screen 4.

As shown in FIG. 3, in the roll-type screen door 2, the storage vertical frame 5 on one side in the left-right direction (for example, the left side in FIG. 3) of the window sash 1 is attached to the window frame of the window sash 1 via the first attachment 91. 11 , and the vertical frame 8 on the other side of the window sash 1 in the left-right direction (for example, the right side in FIG. It is attached to the window frame 11 of.

The upper and lower guide horizontal frames 71 and 72 slidably support the upper and lower ends of the movable frame 6 in the left-right direction, and also support the upper and lower ends of the mesh body 4 when the net body 4 moves in the left-right direction. Guide the part so that it can slide in the left and right direction. The upper and lower guide horizontal frames 71 and 72 are formed from, for example, an aluminum section (an extruded section of aluminum alloy).

The vertical storage frame 5 is provided on one side in the left-right direction of the opening 100a of the building frame 100 (for example, on the left side in FIG. 3). The winding shaft portion 3 is housed inside the storage vertical frame 5. The storage vertical frame 5 stores the net 4 so that it can be rolled in and out by being wound around the winding shaft 3 and pulled out from the winding shaft 3.

As shown in FIG. 3, the width of the storage vertical frame 5 in the projected direction is larger than the width of the upper and lower guide horizontal frames 71 and 72 in the projected direction. A projected surface 5a on the indoor side of the storage vertical frame 5 and a projected surface 7a on the indoor side of the upper and lower guide horizontal frames 71, 72 are located on the same plane. As shown in FIG. 3, the outdoor side portion of the vertical storage frame 5 is located on one side of the roll screen door 2 in the left-right direction (for example, on the left side in FIG. placed prominently.

As shown in FIG. 1, the vertical storage frame 5 includes a vertical storage frame main body 51, a cover member 52, and end cap members 53 attached to the upper and lower ends of the vertical storage frame main body 51. As shown in FIG. 6, the vertical storage frame main body 51 has a cross-sectional shape when cut horizontally in a substantially U-shape with an open indoor side. The cover member 52 is rotatably connected to a cover member connecting portion 512 formed on the outside indoor side of the vertical storage frame main body 51 in the left-right direction, so that the cover member 52 connects to the open indoor side of the vertical storage frame main body 51. It is arranged so that it can be opened and closed. The storage vertical frame main body 51 is formed, for example, from an aluminum profile (an extruded profile of aluminum alloy).

The winding shaft portion 3 is arranged inside the storage vertical frame 5 on one side in the left-right direction of the opening 100a of the building frame 100 (for example, on the left side in FIG. 3). The winding shaft portion 3 is formed to extend in the vertical direction, and is configured to be rotatable around a central axis extending in the vertical direction. A base end portion of the net 4 is fixed to the winding shaft 3, and the winding shaft 3 is configured to be able to wind up the net 4. The winding shaft 3 is urged to rotate the net 4 in the winding direction by a biasing member (not shown) that urges the net 4 in the winding direction. For example, a spring type coiled spring or the like can be used as the biasing member.

The net body 4 is formed, for example, from a net material in which warp threads and weft threads made of resin are woven into a mesh shape. The net body 4 is formed in the shape of a long strip in the left-right direction (lateral direction), and its base end is fixed to the winding shaft 3 and can be wound around the winding shaft 3. It is possible to draw it out from part 3. As shown in FIG. 3, edge members 45 are attached to the upper end, lower end, proximal end, and distal end of the net 4. In this embodiment, the edge member 45 is formed of, for example, a belt-shaped sheet having a predetermined width. The edge member 45 is made of, for example, a resin material in the form of a sheet, and is connected to the net 4 by being sewn along the edge of the net 4 midway in the width direction.

The net front end side vertical frame 8 connects the upper and lower guide horizontal frames 71, 72 at the other end (for example, the right side in FIG. 3) of the guide horizontal frames 71, 72 on the side opposite to the storage vertical frame 5 in the left-right direction. Extends vertically to connect. In the present embodiment, the net body front end side vertical frame 8 has a hollow structure in which the cross-sectional shape cut in the horizontal direction has a substantially rectangular hollow portion. The net front end side vertical frame 8 is formed from, for example, an aluminum section (an extruded section of aluminum alloy).

The movable frame 6 is fixed to the tip of the net body 4, as shown in FIGS. 1 and 2. The movable frame 6 also functions as a grip that is held by the user when opening and closing the net body 4 . The movable frame 6 is configured to be movable in the left-right direction between a position where the screen body 4 opens the screen door opening 2a and a closed position where the screen body 4 closes the screen door opening 2a. The movable frame 6 is urged toward the storage vertical frame 5 by a biasing member (not shown) that biases the net body 4 in the winding direction.

When the movable stile 6 is located in the closed position, as shown in FIG. 2, it is placed in contact with or close to the vertical frame 8 on the front end side of the net body. When the movable stile 6 is located in the closed position and is moved toward the vertical frame 8 on the front end side of the mesh, the movable stile 6 is held in the closed position by, for example, the magnetic force of a magnet (not shown). As shown in FIG. 3, the movable frame 6 is configured to have a hollow structure having a hollow portion in order to increase rigidity.

Next, the mounting structure between the winding shaft portion 3 and the net body 4 will be explained. As shown in FIG. 4, the winding shaft 3 includes a winding shaft main body 30 (shaft main body) extending in the axial direction, and a pair of supports arranged at both ends of the winding shaft main body 30 in the axial direction. It has members 35 and 36 (end members). The winding shaft main body 30 extends in the vertical direction and is configured to be able to wind up the net body 4.

As shown in FIG. 4, the upper end support member 35 of the pair of support members 35, 36 is attached to the upper end of the winding shaft main body 30. The lower end support member 36 of the pair of support members 35 and 36 is attached to the lower end of the winding shaft main body 30. The upper end support member 35 and the lower end support member 36 are support members that rotatably support the winding shaft main body 30 at the upper end and the lower end of the winding shaft main body 30. As shown in FIG. 5, the upper end of the upper end support member 35 is rotatably attached to the upper end cap member 53A. As shown in FIGS. 6 and 7, the lower end of the lower end support member 36 is rotatably attached to the lower end cap side support portion 532 of the lower end cap member 53B.

As shown in FIGS. 5 to 7, a winding shaft side mounting groove 31 (shaft main body side groove, net body mounting groove) is formed on the outer surface of the winding shaft main body 30. The winding shaft side attachment groove 31 is formed in the shape of a groove extending in the axial direction of the winding shaft main body 30 . The winding shaft side mounting groove 31 is formed to extend through the shaft in the axial direction. An edge member 45 fixed to the base end of the net body 4 is attached to the winding shaft side attachment groove 31 . As shown in FIGS. 7 and 8, the winding shaft side mounting groove 31 has a concave groove portion 311 recessed from the outer peripheral surface of the winding shaft main body 30, and a pair of winding shaft side locking pieces 312, 312. .

The groove portion 311 has a predetermined width and extends in the axial direction of the winding shaft portion 3, and also extends in an arc shape with a predetermined width along the outer peripheral surface of the winding shaft portion 3 in the width direction. The pair of winding shaft-side locking pieces 312, 312 protrude in an arc shape from both widthwise ends of the groove 311 along the outer peripheral surface in a direction in which they approach each other so as to close the groove 311. A gap Sa is formed between the pair of winding shaft side locking pieces 312, 312. With the edge member 45 fixed to the base end of the net 4 disposed inside the groove 311, the inner surface of the pair of winding shaft-side locking pieces 312, 312 is provided with a groove in the width direction of the edge member 45. Both ends of are locked. The mesh body 4 whose base end is fixed to the edge member 45 is passed through the gap Sa between the pair of winding shaft side locking pieces 312 , 312 .

As shown in FIG. 5, the upper end support member 35 includes an upper internal member 351 inserted into the upper end of the winding shaft main body 30, and a disc-shaped member having approximately the same diameter as the winding shaft main body 30. It has an upper end disk portion 352. The upper end disk portion 352 is provided above the upper end of the upper internal member 351 and is formed to have a larger diameter than the upper internal member 351 . The upper end disk portion 352 is rotatably attached to the upper end cap member 53A.

As shown in FIGS. 6 and 7, the lower end support member 36 is formed with a lower internal member 361 inserted into the lower end of the winding shaft main body 30 and approximately the same diameter as the winding shaft main body 30. It has a disk-shaped lower end disk portion 362 and a lower end support shaft portion 363 that projects downward from the lower end of the lower end disk portion 362. The lower end disk portion 362 is provided below the lower end of the lower internal member 361 and has a larger diameter than the lower internal member 361 . The outer surface of the lower end disk portion 362 is formed with a lower end disk portion side groove 362a (end member side groove, net body attachment groove) that is recessed from the outer surface and extends in the axial direction, and extends through the outer surface in the axial direction. The lower end support shaft portion 363 is formed with a shaft-side through hole 363a that penetrates in the radial direction.

The lower end disc side groove 362a is formed to have the same cross-sectional shape as the winding shaft side mounting groove 31 of the winding shaft main body 30. Specifically, the lower end disc side groove 362a has a support member side groove portion 362b recessed from the outer peripheral surface of the lower end support member 36, and a pair of support member side protruding pieces 362c, 362c. The support member side concave groove portion 362b has a predetermined width and extends in the axial direction of the lower end disk portion 362, and also extends in an arc shape with a predetermined width along the outer peripheral surface of the lower end disk portion 362 in the width direction. The pair of support member side protruding pieces 362c, 362c protrude in an arc shape from both widthwise ends of the support member side groove 362b in a direction in which they approach each other so as to close the support member side groove 362b along the outer peripheral surface. . A gap Sb is formed between the pair of supporting member side protruding pieces 362c, 362c. In the gap Sb between the pair of support member side protruding pieces 362c, 362c, when the net body 4 whose lower end is fixed to the edge member 45 is attached to the winding shaft 3, the base end is fixed to the edge member 45. The mesh body 4 is passed through.

The lower end disc side groove 362a communicates with the winding shaft side mounting groove 31 of the winding shaft main body 30 in the axial direction in a state where the lower end support member 36 is attached to the lower end of the winding shaft main body 30. The lower end disc side groove 362a extends through the axial direction. The lower end disc side groove 362a is used when removing the net body 4 attached to the winding shaft side mounting groove 31 of the winding shaft main body 30 from the winding shaft side mounting groove 31 of the winding shaft main body 30, and when the winding The base end of the net 4 can be passed through when it is attached to the winding shaft side attachment groove 31 of the shaft main body 30. Since the lower end disc side groove 362a extends through the lower end disc part 362 of the lower end support member 36, the axial end of the winding shaft part 3 penetrates in the axial direction.

A lower end cap side support portion 532 that rotatably supports the lower end support member 36 is formed on the upper surface of the cap bottom surface 531 of the lower end cap member 53B. The lower end cap side support part 532 has a cap cylindrical part 533 extending in the vertical direction and a plurality of triangular holding parts 534.

The cap cylindrical portion 533 is formed to protrude upward from the cap bottom surface 531. The lower end support shaft portion 363 of the lower end support member 36 is inserted into the cap cylindrical portion 533 . When the lower end support member 36 is inserted into the cap cylindrical portion 533, there is a lower gap G between the lower end disk portion 362 of the lower end support member 36 and the cap bottom surface 531, as shown in FIG. is formed. The lower side gap G is a gap through which the net 4 can be passed when moving the net 4 downward through the lower end disc side groove 362a and the winding shaft side mounting groove 31 of the winding shaft main body 30. . Thereby, the net body 4 that has passed through the lower end disc side groove 362a and the winding shaft side attachment groove 31 of the winding shaft main body 30 can be extracted through the lower side gap G.

A cap-side through hole 533a into which a nail-like member N (fixing member) can be inserted is formed in the cap cylindrical portion 533. The cap-side through hole 533a passes through the cap cylindrical portion 533 in the radial direction. The nail-shaped member N fixes the rotation of the winding shaft portion 3 in a stopped state.

In this embodiment, as shown in FIG. With the member N, the rotation of the winding shaft 3 can be fixed in a stopped state while the rotational position of the winding shaft 3 is determined. In this embodiment, at the position where the nail-like member N is inserted into the cap side through hole 533a of the cap cylindrical portion 533 and the shaft side through hole 363a of the lower end support shaft portion 363, the lower end disk portion of the cap cylindrical portion 533 The side groove 362a and the winding shaft side mounting groove 31 of the winding shaft main body 30 are positioned so as to face the indoor side. In this embodiment, the rotation of the winding shaft 3 is stopped using the nail-like member N, but the invention is not limited to this. For example, the winding shaft can be stopped using a rod-like member such as a pin. 3 may be configured to stop rotating.

Next, a procedure for removing the net body 4 from the winding shaft portion 3 will be explained. First, as shown in FIG. 10, the cover member 52 of the vertical storage frame 5 is opened, and as shown in FIG. Insert the nail-like member N into 363a. Thereby, the rotation of the winding shaft portion 3 is held in a stopped state. In this state, as shown in FIG. 10, by removing the edge member 45 from the movable frame 6, the tip of the net body 4 is removed from the movable frame 6.

Next, as shown in FIGS. 11 and 12, by pulling the tip of the net 4 toward the proximal end, the tip of the net 4 is moved toward the storage vertical frame 5 along the upper and lower guide horizontal frames 71 and 72. move it. As a result, as shown in FIG. 12, by pulling out the upper and lower ends of the net 4 from the upper and lower guide horizontal frames 71 and 72 toward the proximal end, the net 4 is moved to the guide horizontal frame 71. , 72 toward the storage vertical frame 5 side.

Then, as shown in FIG. 13, the edge member 45 at the base end of the net body 4 is attached along the gap Sa of the lower end disc side groove 362a and the gap Sb of the winding shaft side mounting groove 31 of the winding shaft main body 30. While moving the net 4 downward, pass through the gap Sa of the lower end disk side groove 362a and the gap Sb of the winding shaft side attachment groove 31 of the winding shaft main body 30, while moving the lower end disk portion of the lower end support member 36. 362 and the cap bottom surface 531, and pull out the net body 4 from the lower end side of the winding shaft portion 3. Thereby, the screen body 4 can be pulled out from the lower end side of the winding shaft 3 without removing the winding shaft 3 from the roll screen door 2.

The roll-type screen door 2 of this embodiment includes a rotatable winding shaft 3 and a mesh body 4 that can be wound around the winding shaft 3 and pulled out from the winding shaft 3. , the winding shaft part 3 has a winding shaft side mounting groove 31 and a lower end disk part side groove 362a which are formed to extend in the axial direction and to which the end of the net body 4 is attached, and the winding shaft side mounting groove 31 and The lower end disc side groove 362a passes through the winding shaft 3 in the axial direction at the lower end disc side groove 362a at the lower end in the axial direction. Thereby, the net 4 can be removed by passing it through the lower end disk side groove 362a at the lower end in the axial direction without removing the winding shaft 3. Therefore, the screen body 4 can be easily removed from the roll-type screen door 2.

In this embodiment, the winding shaft section 3 is arranged at a winding shaft main body 30 having a winding shaft side mounting groove 31 extending through the winding shaft main body 30 in the axial direction, and at both ends of the winding shaft main body 30 in the axial direction. The lower end support member 36 has a lower end disk side groove 362a that communicates with the winding shaft side attachment groove 31 and extends through it in the axial direction. As a result, by providing the lower end disk side groove 362a on one of the lower end support members 36, the mesh body 4 can be easily moved to the winding shaft while having a structure that supports both ends of the winding shaft 3 in the axial direction. It can be removed from 3.

In this embodiment, the winding shaft portion 3 is configured to be fixable by a nail-like member N that fixes the rotation of the winding shaft portion 3 in a stopped state. Thereby, the mesh body 4 can be easily removed from the winding shaft 3 while the rotation of the winding shaft 3 is stopped and fixed.

Although preferred embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments and can be modified as appropriate.

For example, in the embodiment described above, the winding shaft side mounting groove (shaft main body side groove, net body mounting groove) is configured as an arcuate groove. However, it is not limited to this. For example, the winding shaft side mounting groove (shaft main body side groove, net body mounting groove) may be configured as a circular groove or may be configured as a rectangular groove. The edge member attached to the groove is not limited. As the edge member, for example, a fastener member configured with a plurality of engaging elements arranged in a row can be used.

In the embodiment described above, one end of the net body attachment groove of the winding shaft portion is configured to penetrate in the axial direction, but the present invention is not limited thereto. One end of the net mounting groove of the winding shaft may be configured to penetrate in the axial direction, or both ends of the mesh mounting groove of the winding shaft may be configured to penetrate in the axial direction. It may be configured to do so. Further, in the embodiment described above, the end member is configured as a separate member from the winding shaft main body 30, but it may be formed integrally with the winding shaft main body 30. Furthermore, in the embodiment described above, the nail-shaped member N is used to hold the winding shaft 3 in a state where the rotation is stopped, but the present invention is not limited to this. You can.

2 Roll-type screen door (screen door), 3 Winding shaft section, 4 Screen body, 30 Winding shaft body (shaft body), 31 Winding shaft side mounting groove (shaft body side groove, screen body mounting groove), 35 Upper end Support member (end member), 36 Lower end support member (end member), 362a Lower end disc side groove (end member side groove, net body mounting groove), N Nail-shaped member (fixing member)

Claims (3)

A roll-type screen door comprising a rotatable take-up shaft and a net that can be wound up on the take-up shaft and pulled out from the take-up shaft,
The winding shaft portion is formed to extend in the axial direction and has a net attachment groove to which an end portion of the net is attached,
At least one end in the axial direction of the winding shaft portion passes through the mesh mounting groove in the axial direction,
The winding shaft part is configured to be fixed by a fixing member that fixes rotation of the winding shaft part in a stopped state,
The winding shaft portion has a through hole that penetrates in the radial direction,
In the roll-type screen door, the fixing member is a rod-like member that can be placed through the through-hole . The winding shaft has a shaft main body having a shaft main body side groove extending through the shaft main body in the axial direction, and an end member disposed at an axial end of the shaft main body,
The roll-type screen door according to claim 1, wherein the end member is formed with an end member side groove that communicates with the shaft main body side groove and extends through it in the axial direction. Hold the winding shaft in a state where it stops rotating,
After removing the tip of the net from the movable frame,
Pull out the tip of the mesh toward the proximal end,
A method for removing a net body, wherein an edge member at a proximal end of the net body is passed through a groove passing through the winding shaft portion in the axial direction, and is extracted from at least one axial end portion of the winding shaft portion.

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