JPS5846240Y2 - retractable screen door - Google Patents

Description

【考案の詳細な説明】 この考案は、ドラムに巻付けた可撓性の網を、窓の開口
に沿って昇降させる型の巻込み式網戸に関し、網の上端
を支持するドラムおよび下端に取付ける把手を容易に結
合できるようにしたものである。[Detailed description of the invention] This invention relates to a retractable screen door in which a flexible screen wrapped around a drum is raised and lowered along the window opening, and the screen is attached to the drum that supports the upper end of the screen and to the lower end. The handle can be easily connected.

巻込み式網戸は、第１図に略示するように可撓性の網１
の上端を、ばね力で一方向に回転力を付与されるドラム
２に結合してこれに巻付け、下端に把手３を結合して網
１を引下げるようにされるもので、窓枠（図示省略）に
沿って設けられる。A retractable screen door is a flexible screen 1 as schematically shown in FIG.
The upper end is connected to and wrapped around a drum 2 which is given a rotational force in one direction by a spring force, and the handle 3 is connected to the lower end to pull down the net 1. (not shown).

ドラム２は、窓を構成するサツシ枠の中空の上枠内に、
またはサツシ枠の前に取付けたケース（何れも図示省略
）内に回転自在に装置され、把手３はサツシ枠の短枠に
設けられた案内溝、またはサツシと別に設けた案内溝に
両端を挿入して昇降させられる。The drum 2 is placed inside the hollow upper frame of the sash frame that constitutes the window.
Alternatively, it is rotatably installed in a case (both not shown) installed in front of the sash frame, and the handle 3 is inserted at both ends into a guide groove provided in the short frame of the sash frame or a guide groove provided separately from the sash frame. and be raised and lowered.

本考案は、このような網１、ドラム２、把手３から成る
巻込み式網戸を容易に構成することを目的とした考案で
ある。The present invention is aimed at easily constructing a roll-up screen door consisting of such a screen 1, drum 2, and handle 3.

第２図はドラムの外観を、第３図はその断面を、第４図
はこれを開いた状態の断面を示す。FIG. 2 shows the external appearance of the drum, FIG. 3 shows its cross section, and FIG. 4 shows its cross section in an open state.

ドラム２の主部２ａは円筒を２分割した形の半円筒形の
半部２ｂ、２Ｃの各−側端を繰返えし折曲げ可能な薄肉
部４で連結し、半部２ｂの他側端には、外端部５ａを断
面円形に厚くした突条５を形成し、半部２Ｃの他側端に
は入口６ａを狭くした断面円形の凹溝６を形成し、内面
に中空の突条９を形成して第４図の状態に合成樹脂成型
される。The main part 2a of the drum 2 is a semi-cylindrical half part 2b, 2C formed by dividing a cylinder into two parts, each of which is connected with a thin walled part 4 that can be bent repeatedly, and the other side of the half part 2b is At the end, a protrusion 5 with a circular cross-section and a thickened outer end 5a is formed, and at the other end of the half part 2C, a groove 6 with a circular cross-section with a narrow entrance 6a is formed, and a hollow protrusion is formed on the inner surface. The strips 9 are formed and the synthetic resin is molded into the state shown in FIG.

この主部２ｂを薄肉部４において弾力的に折曲げて突条
５、凹溝６の間で網１の端部を挾みつつ突条５を凹溝６
に嵌入させれば、網１は第３図のようにドラムの主部２
ａに挟持される。This main portion 2b is elastically bent at the thin wall portion 4, and the end of the net 1 is sandwiched between the protrusion 5 and the groove 6, and the protrusion 5 is inserted into the groove 6.
When the net 1 is inserted into the main part 2 of the drum as shown in Fig.
It is held between a.

突条５と凹溝６とは、網１を挾んだときがたつきなく網
を圧迫できる寸法に製作される。The protrusions 5 and the grooves 6 are made to have dimensions that can press the net 1 without wobbling when the net 1 is sandwiched between them.

上記のようにして網１を挾んで側端を結合し円筒状とな
ったドラムの主部２ａの両端には、同径の合成樹脂の円
板７をねじ８により取付けてドラム２とする。The drum 2 is formed by attaching synthetic resin discs 7 of the same diameter to both ends of the main part 2a of the drum, which is formed into a cylindrical shape by sandwiching the net 1 and joining the side ends as described above, with screws 8.

円板７は、ねじ８を主部内面の突条９に螺入させること
により主部２ａに結合される。The disk 7 is coupled to the main portion 2a by screwing a screw 8 into a protrusion 9 on the inner surface of the main portion.

両端の円板７には軸１３を挿通してドラムの回転軸とす
る。A shaft 13 is inserted through the disks 7 at both ends to serve as the rotation shaft of the drum.

軸１３は長い丸棒を主部２ａの中を通して両端の円板７
，７に貫通させるようにしても、または各円板を金属製
とするときは、これに短い軸を溶接してもよい。The shaft 13 is a long round bar that passes through the main part 2a and connects to the discs 7 at both ends.
, 7, or if each disk is made of metal, a short shaft may be welded thereto.

把手３は、第６図のように半部３ａ、３ｂの一側端を薄
肉部１０で連結し、半部３ａは化部３Ｃを突出させて断
面り形に形成し、その隅部には外端部１１ ａを断面円
形に厚くした突条１１を形威し、半部３ｂの他側端には
入口１２ ａを狭くした凹溝１２を形成し、第６図の状
態で合成樹脂成型される。As shown in FIG. 6, the handle 3 connects one side end of half parts 3a and 3b with a thin part 10, and the half part 3a is formed into a cross-sectional shape with a protruding part 3C, and a corner thereof has a A protrusion 11 with a thick circular cross section is formed on the outer end 11a, and a groove 12 with a narrowed entrance 12a is formed on the other end of the half 3b, and molded with synthetic resin in the state shown in FIG. be done.

この把手３を薄肉部１０で折曲げて突条１１．凹溝１２
の間で網１の端部を挾みつつ突条１１を凹溝１２に嵌入
させることにより、第５図のように網１の端部に把手３
を取付けることができる。This handle 3 is bent at the thin wall portion 10 to form a protrusion 11. Groove 12
By inserting the protrusion 11 into the groove 12 while sandwiching the end of the net 1 between them, a handle 3 is attached to the end of the net 1 as shown in FIG.
can be installed.

本考案の網戸は、上記のようにドラム２、把手３をそれ
ぞれ薄肉部４，１０を介して連続する２個の半部で形成
し、薄肉部の弾性変形により突条、凹溝を係合させて網
１に結合するものであるから、網１との着脱が極めて容
易であり、網の交換や網戸の補修を容易にすることがで
きる。As described above, the screen door of the present invention has the drum 2 and the handle 3 formed by two continuous halves with the thin parts 4 and 10 interposed therebetween, and the protrusions and grooves are engaged by elastic deformation of the thin parts. Since the screen 1 is connected to the screen 1, it is extremely easy to attach and detach the screen 1, making it easy to replace the screen and repair the screen door.

ドラムの主部２ａ、把手３は合成樹脂の押出し成型によ
りそれぞれ第４図、第６図の断面形の長尺物として成型
し、所定寸法に切断して使用することができるから、製
作が極めて容易であり、安価に網戸を構成することがで
きる効果がある。The main part 2a of the drum and the handle 3 are formed by extrusion molding of synthetic resin into elongated objects having the cross-sectional shapes shown in FIGS. 4 and 6, respectively, and can be cut to predetermined dimensions for use, making it extremely easy to manufacture. It is easy and has the effect that the screen door can be constructed at low cost.

【図面の簡単な説明】[Brief explanation of the drawing]

図面は本考案の実施例を示し、第１図は網戸の斜視図、
第２図はドラムの斜視図、第３図は第１図のＡ−Ａ断面
図、第４図は開いた状態のドラム主部の断面図、第５図
は第１図のＢ−Ｂ断面図、第６図は開いた状態の把手の
断面図である。 １：網、２ニドラム、２ａ：主部、２ｂ、２Ｃ：半部、
３：把手、３ａ、３ｂ：半部、３Ｃ：化部、４：薄肉部
、５：突条、５ａ：外端部、６：凹溝、６ａ：入口、７
：円板、８：ねじ、９：中空突条、１０：薄肉部、１１
：突条、１１ａ：外端部、１２：凹溝、１２ａ：入口、
１３：軸。The drawings show an embodiment of the present invention, and FIG. 1 is a perspective view of a screen door;
Fig. 2 is a perspective view of the drum, Fig. 3 is a sectional view taken along line AA in Fig. 1, Fig. 4 is a sectional view of the main part of the drum in an open state, and Fig. 5 is a sectional view taken along line BB in Fig. 1. FIG. 6 is a sectional view of the handle in an open state. 1: Net, 2 Nidrum, 2a: Main part, 2b, 2C: Half part,
3: Handle, 3a, 3b: Half part, 3C: Curd part, 4: Thin wall part, 5: Projection, 5a: Outer end part, 6: Concave groove, 6a: Inlet, 7
: Disc, 8: Screw, 9: Hollow protrusion, 10: Thin wall part, 11
: Projection, 11a: Outer end, 12: Concave groove, 12a: Inlet,
13: Axis.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] それぞれ内面にねじ螺合用の中空突条９を形成した２個
の半円筒形の半部２ｂ、２Ｃの各−側端を薄肉部４で連
結し、一つの半部２ｂの他側端に、外端部５ａを厚くし
た突条を形成し、他の半部２Ｃの他側端には入口６ａを
狭くした凹溝６を形成したドラムの主部２ａを、薄肉部
４で折曲げて突条５、凹溝６を可撓性の網１を挾んで円
筒形に嵌合し、該主部２ａの両端にそれぞれ円板７，７
をねじ８により結合し、円板７の中心に主部２ａと同心
に軸１３を突出させ、２個の半部３ ａ 、３ ｂの各
−側端を薄肉部１０で連結し、半部３ａの他側端には外
端部１１ ａを厚くした突条１１を形成すると共に外側
面に化部３Ｃを形成し、他の半部３ｂの他側端には入口
１２ ａを狭くした凹溝１２を形成した把手３を、薄肉
部１０で折曲げて突条１１．凹溝１２を網１を挾んで嵌
合させ、網１の両端部にドラム２、把手３を結合して成
る巻込み式網戸。The two semi-cylindrical halves 2b and 2C, each having a hollow protrusion 9 for threading on the inner surface thereof, are connected by a thin wall portion 4, and the other end of one half 2b is The main part 2a of the drum is formed with a protrusion with a thickened outer end 5a and a concave groove 6 with a narrowed entrance 6a on the other end of the other half part 2C, and is bent at the thin wall part 4 to form a protrusion. The strips 5 and the grooves 6 are fitted in a cylindrical shape with the flexible net 1 interposed, and disks 7 and 7 are attached to both ends of the main portion 2a, respectively.
are connected by screws 8, a shaft 13 is made to protrude from the center of the disc 7 concentrically with the main part 2a, and each side end of the two half parts 3a and 3b is connected by a thin part 10, and the half parts At the other end of the half part 3a, a protrusion 11 with a thicker outer end 11a is formed, and a curved part 3C is formed on the outer surface, and at the other end of the other half part 3b, a recess with a narrower entrance 12a is formed. The handle 3 with the groove 12 formed therein is bent at the thin wall portion 10 to form the protrusion 11. This roll-up type screen door is made by fitting a net 1 into a concave groove 12 and connecting a drum 2 and a handle 3 to both ends of the net 1.