JP2588084B2 - Door Door Roller Device - Google Patents

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【０００１】[0001]

【産業上の利用分野】本発明は、網戸の下框に取付けら
れて網戸をサッシ枠の下レールに沿って走行自在とする
網戸用戸車装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door system for a screen door which is attached to a lower frame of a screen door so that the screen door can travel along a lower rail of a sash frame.

【０００２】[0002]

【従来の技術】一般に網戸は、網戸を構成する下框に戸
車装置を取付け、この戸車装置をサッシ枠を構成する下
枠の下レールに沿って走行自在としてサッシ枠に建込ま
れ、この網戸は冬季等の不使用時にはサッシ枠から取外
し、夏季等の使用時にサッシ枠に建込むようにしている
ので、一般の利用者でも簡単に網戸をサッシ枠に建込
み、取外しできるようにしている。例えば、網戸をサッ
シ枠の上レールと下レール間に、けんどん式に建込み、
取外しできるようにしている。2. Description of the Related Art In general, a screen door is mounted on a lower frame constituting a screen door, and the door apparatus is mounted on a sash frame so as to be freely movable along a lower rail of a lower frame forming a sash frame. Is designed to be detached from the sash frame when not in use in winter or the like, and to be installed in the sash frame when used in summer or the like, so that ordinary users can easily install the screen door in the sash frame and remove it. For example, screen doors are erected between the upper and lower rails of the sash frame in a fast-moving manner.
It can be removed.

【０００３】[0003]

【発明が解決しようとする課題】前述の戸車装置は戸車
本体に戸車を取付けたものであり、この戸車装置と下レ
ールの上下方向の重なり代を大きくすると、前述のよう
に網戸をけんどん式にサッシ枠に建込む時や取外す時に
戸車装置と下レールが干渉して邪魔になってしまうの
で、前述の戸車装置と下レールの上下方向の重なり代を
小さくしてあり、サッシ枠のたわみ、網戸開閉時のがた
つき等により網戸がサッシ枠より外れることがある。The above-mentioned door roller device has a door roller attached to a door roller body. When the vertical overlap between the door roller device and the lower rail is increased, the screen door is stiffened as described above. When building or removing the sash frame in the sash frame, the door rail and the lower rail interfere and interfere, so the vertical overlap between the door rail and the lower rail is reduced, and the deflection of the sash frame, The screen door may come off from the sash frame due to backlash when opening and closing the screen.

【０００４】そこで、本発明は、網戸の建込み、取外し
時には戸車装置と下レールが干渉して邪魔にならず、建
込み後には戸車装置と下レールの上下方向の重なり代を
大きくできるようにした網戸用戸車装置を提供すること
を目的とする。[0004] Therefore, the present invention is intended to prevent the door unit and the lower rail from interfering with each other when the screen door is installed or removed, and to increase the vertical overlap between the door unit and the lower rail after installation. It is an object of the present invention to provide a screen door device for a door.

【０００５】[0005]

【課題を解決するための手段】網戸５の下框２に取付け
られる取付基部２０と、この取付基部２０に上下揺動自
在に支承された戸車支承部材２１と、この戸車支承部材
２１の下端部に取付けた戸車２３と、前記戸車支承部材
２１を戸車２３が取付基部２０の下面より下方に突出し
た下方位置に付勢するスプリング３８，５９，９３と、
前記取付基部２０に設けられて戸車支承部材２１を戸車
２３が取付基部２０の下面より上方となった上方位置に
保持するロック部材より成る網戸用戸車装置。A mounting base 20 mounted on the lower frame 2 of the screen door 5, a door wheel supporting member 21 supported on the mounting base 20 so as to be vertically swingable, and a lower end portion of the door wheel supporting member 21 And a spring 38, 59, 93 for urging the door roller supporting member 21 to a lower position where the door roller 23 projects below the lower surface of the mounting base 20.
A door door roller device for a screen door, comprising a lock member provided on the mounting base 20 and holding the door roller supporting member 21 at an upper position where the door roller 23 is above the lower surface of the mounting base 20.

【０００６】[0006]

【作 用】取付基部２０に対して戸車支承部材２１を
ロック部材で上方位置に保持すれば網戸の建込み、取外
し時に戸車２３が下レール１５と干渉せずに邪魔になら
ないから網戸の建て込み、取外しを容易にでき、ロック
部材による保持を解除すれば取付基部２０に対して戸車
支承部材２１がスプリング力で下方位置に揺動して戸車
支承部材２１の下端部と下レール１５の上下方向の重な
り代が大きくなって網戸がサッシ枠より外れることを防
止できる。[Operation] If the door roller support member 21 is held at the upper position with the lock member with respect to the mounting base 20, the screen door is built in. When the door wheel is removed, the door wheel 23 does not interfere with the lower rail 15 and does not hinder the screen door. When the holding by the lock member is released, the door carrier supporting member 21 swings to the lower position by the spring force with respect to the mounting base 20 and the lower end of the door carrier supporting member 21 and the lower rail 15 in the vertical direction. Can be prevented from becoming large and the screen door coming off the sash frame.

【０００７】[0007]

【実 施 例】図１に示すように、左右の縦框１と下框
２と図示しない上框を方形状に枠組みした網戸框組体３
に網４を装着して網戸５としてあり、その下框２は図２
に示すように室内側壁６と室外側壁７と上壁８と鉤片９
で下向凹部１０と網取付凹部１１を有する断面形状の長
尺材で、この下框２の下向凹部１０内に戸車装置１２が
取付けられてサッシ枠１３を構成する下枠１４の下レー
ル１５に沿って網戸５の下部を走行自在とするようにし
てある。前記戸車装置１２は図１、図３に示すように取
付基部２０と戸車支承部材２１より成る戸車本体２２
と、戸車支承部材２１に取付けた戸車２３より構成さ
れ、その取付基部２０は上下寸法が大なる一側部２４と
上下寸法が小なる他端部２５で下框２の下向凹部１０内
に嵌合される上面が階段状となったブロック状で一側部
２４の上面一側に第１上向片２６、上面他側に第２上向
片２７が相対向して一体的に設けられ、他側部２５の上
面他側にブラケット２８が一体的に設けられ、他側部２
５の下部は一側部２４の下面２４ａより下方に突出して
下向きの凹溝２９が形成され、前記第１上向片２６と第
２上向片２７には第１・第２透孔３０，３１が相対向し
て形成してあり、その第２上向片２７には第２透孔３１
と連続した上下のスリット３２が形成され、前記一側部
２４には貫通孔３３が形成してある。前記戸車支承部材
２１は両側板３４，３４の長手方向一端部を連結板３５
で一体的に連結した平面略長コ字状となり、その両側板
３４，３４の長手方向他端寄りに戸車２３が支軸３６で
回転自在に取付けてあり、両側板３４，３４の長手方向
中間部が前記ブラケット２８にピン３７で上下揺動自在
に支承され、このピン３７に設けたスプリング３８の一
端部３８ａが両側板３４，３４間に取付けた支持ピン３
９に接し、他端部３８ｂが前記他側部２５の上面２５ａ
に接して戸車支承部材２１は下方に揺動付勢してある。
前記第１・第２上向片２６，２７の第１・第２透孔３
０，３１にはロック部材となる杆体４０が挿入され、こ
の杆体４０の先端部の孔４１には前記第２上向片２７の
上下のスリット３２を通過する抜け止め用ピン４２が挿
入して取付けてあり、杆体４０の中間部の小径部４３に
係止したスナップリング４４と第２上向片２７との間に
スプリング４５が設けられて杆体４０は抜け出す方向に
付勢され、この杆体４０の先端部は戸車支承部材２１の
上部に位置している。前記貫通孔３３にはビス４６が螺
入されて戸車支承部材２１の連結板３５と対向してい
る。[Embodiment] As shown in FIG. 1, a screen frame assembly 3 in which left and right vertical frames 1 and lower frames 2 and an upper frame (not shown) are framed in a square shape.
The screen 4 is attached to the screen door 5 and the lower frame 2 is shown in FIG.
As shown in the figure, the indoor side wall 6, the outdoor side wall 7, the upper wall 8, and the hook 9
The lower rails of a lower frame 14 which is a long material having a cross-sectional shape having a downward recess 10 and a net mounting recess 11, and a door frame device 12 is mounted in the downward recess 10 of the lower frame 2 to form a sash frame 13. The lower part of the screen door 5 is made to run freely along 15. As shown in FIGS. 1 and 3, the door roller device 12 includes a door roller body 22 including a mounting base 20 and a door roller support member 21.
And a door roller 23 attached to a door roller support member 21. The mounting base 20 has one side 24 having a larger vertical dimension and the other end 25 having a smaller vertical dimension in the downward recess 10 of the lower frame 2. The upper surface to be fitted has a step-like block shape, and a first upward piece 26 is provided integrally on one side of the upper surface of one side portion 24 and a second upward piece 27 is provided on the other side of the upper surface. The bracket 28 is integrally provided on the other side of the upper surface of the other side 25, and the other side 2
5 has a downward groove 29 protruding downward from the lower surface 24a of the one side portion 24. The first upward piece 26 and the second upward piece 27 have first and second through holes 30, The second upwardly facing piece 27 has a second through-hole 31 formed therein.
The upper and lower slits 32 are formed in a continuous manner, and a through hole 33 is formed in the one side portion 24. The door roller supporting member 21 is connected to one end in the longitudinal direction of both side plates 34, 34 by a connecting plate 35.
A door wheel 23 is rotatably mounted on a support shaft 36 near the other end in the longitudinal direction of the both side plates 34, 34, and is connected to the longitudinally intermediate portions of the both side plates 34, 34 in the longitudinal direction. A portion of the support pin 3 is supported by the bracket 28 so as to be vertically swingable by a pin 37, and one end 38 a of a spring 38 provided on the pin 37 is attached between the side plates 34, 34.
9 and the other end 38b is the upper surface 25a of the other side 25.
And the door roller supporting member 21 is urged to swing downward.
First and second through holes 3 of the first and second upward pieces 26 and 27
A rod 40 serving as a lock member is inserted into 0 and 31, and a retaining pin 42 that passes through the upper and lower slits 32 of the second upward piece 27 is inserted into a hole 41 at the distal end of the rod 40. A spring 45 is provided between the snap ring 44 and the second upwardly-facing piece 27 which is attached to the small-diameter portion 43 at the intermediate portion of the rod 40, and the rod 40 is urged in a direction to come out. Is located above the door roller support member 21. A screw 46 is screwed into the through hole 33 and faces the connecting plate 35 of the door roller support member 21.

【０００８】次に網戸５の建込み動作を説明する。図１
に示すように杆体４０の抜け止め用ピン４２をスリット
３２と合致させて杆体４０をスプリング４５に抗して押
し込み、抜け止め用ピン４２がスリット３２を通過した
ら９０度回転させて抜け止め用ピン４２を第２上向片２
７に接して杆体４０の抜け出しを防止して杆体４０の先
端部を戸車支承部材２１の上部に接して戸車支承部材２
１を図１に示すように下框２の下面より上方の上方位置
に保持する。この状態で網戸５をけんどん式にサッシ枠
１３内に建込んで戸車２３を下レール１５上に接し、杆
体４０を９０度回転して抜け止め用ピン４２をスリット
３２に合致するとスプリング４５で図４に示すように抜
け出してスナップリング４４を第１上向片２６に接す
る。これにより、戸車支承部材２１がスプリング３８に
よって下方に揺動して戸車２３が下レール１５の上面に
接し、両側板３４の下部が下レール１５と上下方向に重
なり合う。また、ビス４６を締付けることで戸車支承部
材２１が上下に揺動するから、それによって網戸を建付
け調整できる。Next, the operation of installing the screen door 5 will be described. FIG.
As shown in the figure, the retaining pin 42 of the rod 40 is aligned with the slit 32, and the rod 40 is pushed in against the spring 45. When the retaining pin 42 passes through the slit 32, it is rotated 90 degrees and the retaining pin is rotated. 42 is the second upward piece 2
7 to prevent the rod 40 from coming off, and to contact the upper end of the door roller supporting member 21 with the tip end of the rod 40 so that the door roller supporting member 2
1 is held at an upper position above the lower surface of the lower frame 2 as shown in FIG. In this state, the screen door 5 is steadily built in the sash frame 13, the door wheel 23 comes into contact with the lower rail 15, and the rod 40 is rotated by 90 degrees so that the retaining pin 42 matches the slit 32, and the spring 45 is used. As shown in FIG. 4, the snap ring 44 comes out and comes into contact with the first upward piece 26. As a result, the door roller support member 21 swings downward by the spring 38, so that the door roller 23 comes into contact with the upper surface of the lower rail 15, and the lower portions of the both side plates 34 overlap the lower rail 15 in the vertical direction. Further, since the door roller supporting member 21 swings up and down by tightening the screw 46, it is possible to install and adjust the screen door.

【０００９】第２実施例は図５ないし図８に基づいて説
明する。取付基部２０は図５、図７に示すように下部材
５０と上部材５１で逆Ｔ字状となり、下部材５０の他側
部に孔５２が形成され、上部材５１には貫通ネジ孔５３
が形成され、かつ上面に凹部５４が形成してあり、前記
戸車支承部材２１は縦板状の本体５５の一側部に受片５
６を形成して成り、その本体５５の他側部寄りに戸車２
３が支軸５７で回転自在に取付けられ、前記孔５２を挿
通したピン５８で本体５５が上下揺動自在に支承してあ
り、下部材５０に取付けたスプリング５９の一端部５９
ａが前記戸車支承部材２１の受片５６に当接し、他端部
５９ｂが下部材５０に支持されて戸車支承部材２１は下
方に揺動付勢してある。横板６０の一端部に下向片６
１、他端部にビスホール６３を有する下向片６４をそれ
ぞれ一体的に設けてロック部材としてあり、この横板６
０が上部材５１の凹部５４に嵌まり込んで取付けられて
下向片６１が受片５６の一側面と対向してあり、ビスホ
ール６２に螺合したビス６４を上部材５１の貫通ネジ孔
５３に螺入して受片５６の他側面と対向している。A second embodiment will be described with reference to FIGS. As shown in FIGS. 5 and 7, the mounting base 20 has an inverted T-shape with a lower member 50 and an upper member 51, and a hole 52 is formed on the other side of the lower member 50.
And a concave portion 54 is formed on the upper surface, and the door roller supporting member 21 is provided with a receiving piece 5 on one side of a vertical plate-shaped main body 55.
6 and the door wheel 2 near the other side of the main body 55.
3 is rotatably mounted on a support shaft 57, and a main body 55 is supported so as to be vertically swingable by a pin 58 inserted through the hole 52, and one end 59 of a spring 59 mounted on the lower member 50.
a comes into contact with the receiving piece 56 of the door roller supporting member 21, the other end 59b is supported by the lower member 50, and the door roller supporting member 21 is urged to swing downward. Downward piece 6 at one end of horizontal plate 60
1. A downward piece 64 having a screw hole 63 at the other end is provided integrally as a locking member.
0 is fitted and attached to the concave portion 54 of the upper member 51, the downward piece 61 faces one side surface of the receiving piece 56, and the screw 64 screwed into the screw hole 62 is inserted into the through screw hole 53 of the upper member 51. And facing the other side surface of the receiving piece 56.

【００１０】次に網戸５の取付け動作を説明する。ビス
６４を弛めてロック部材を左方に移動して図５に示すよ
うに下向片６１で受片５６を左右に移動しスプリング５
９に坑して戸車支承部材２１を上方に揺動して戸車２３
が下框２の下面より上方となる上方位置に保持する。こ
の状態で網戸５をサッシ枠１３内にけんどん式に建込
み、ビス６４を締込んでロック部材を右方に移動して図
８に示すように下向片６１を右方に移動させてスプリン
グ５９で戸車支承部材２１を下方に揺動して戸車２３を
下レール１５に接し、戸車支承部材２１の下端部を下レ
ール１５と上下方向に重ね合せる。また、前述のビス６
４の締付け量を異ならせて戸車支承部材２１の下方への
揺動量を変えることで網戸５を建付け調整できる。Next, the mounting operation of the screen door 5 will be described. The screw 64 is loosened to move the lock member to the left, and as shown in FIG.
9, the door roller supporting member 21 is swung upward to rotate the door roller 23
Is held above the lower surface of the lower frame 2. In this state, the screen door 5 is steadily erected in the sash frame 13, the screw 64 is tightened, the lock member is moved rightward, and the downward piece 61 is moved rightward as shown in FIG. The door support member 21 is pivoted downward by the spring 59 to bring the door roller 23 into contact with the lower rail 15, and the lower end of the door roller support member 21 is vertically overlapped with the lower rail 15. In addition, the aforementioned screw 6
The net door 5 can be installed and adjusted by changing the amount of tightening of the door 4 and changing the downward swing amount of the door roller support member 21.

【００１１】第３実施例を図９ないし図１２に基づいて
説明する。取付基部２０は図９、図１１に示すように基
部本体７０と可動部材７１より成り、基部本体７０は一
側縦面７０ａと階段形状の他側縦面７０ｂと上下面７０
ｃ，７０ｄと前後面７０ｅを有する正面略Ｌ字状とな
り、外側縦面７０ｂの上部縦面７２と連続した上向面７
３の他側部が切欠きされてストッパ上向面７４となり、
その前記一側縦面７０ａと前後面７０ｅに開口して横向
きガイド凹部７５が形成され、この横向ガイド凹部７５
の底部より前記上部縦面７２に亘って透孔７６が形成し
てあると共に、その上部縦面７２と一側縦面７０ａとに
亘ってガイド孔部７７が形成されて、そのガイド孔部７
７は前記横向ガイド凹部７５に開口していると共に、そ
の底部は前記上向面７３と面一となっている。前記可動
部材７１は前記ガイド孔部７７に摺動自在に嵌挿した杆
体７８と戸当り部７９と摺動ブロック８０より成り、可
動部材７１は基部本体７０に対して押し込み、引き出し
自在となり、かつ摺動ブロック８０は前記基部本体７０
の横向ガイド凹部７５に摺動自在に嵌合し、この摺動ブ
ロック８０のネジ孔８１にネジ合したビス８２が前記透
孔７６に挿入し、摺動ブロック８０の上面に形成した位
置決め凹部８３が前記横向ガイド凹部７５の上内面に形
成した第１・第２位置決め凸部８４，８５の一方に係合
して引き出し位置と押し込み位置に保持できるようにし
てある。戸車支承部材２１は板状体８６の一側縁に当て
片８７、上縁部に支持片８８を設け、下縁部にＬ字状の
取付片８９が一体的に設けて成り、その取付片８９に摘
み９０を取付け、板状体８６に戸車２３を支軸９１で回
転自在に取付け、前記板状体８６を前記可動部材７１の
先端部に軸９２で上下揺動自在に取付け、その軸９２の
回りにスプリング９３を設けて板状体８６を下方に揺動
付勢して戸車２３が取付基部２０の下面より下方に突出
するようにしてあると共に、摘み９０を持って戸車支承
部材２１を可動部材７１とともに基部本体７０に対して
引き出し、押し込みできるようにしてある。 A third embodiment will be described with reference to FIGS. As shown in FIGS. 9 and 11, the mounting base 20 includes a base main body 70 and a movable member 71. The base main body 70 includes one vertical surface 70a, another vertical surface 70b having a step shape, and upper and lower surfaces 70a.
c, 70d and front and rear surfaces 70e, an upwardly facing surface 7 which is substantially L-shaped and continuous with the upper vertical surface 72 of the outer vertical surface 70b.
3 is cut out on the other side to form a stopper upward surface 74,
A lateral guide recess 75 is formed in the one vertical surface 70a and the front and rear surfaces 70e so as to open.
A through-hole 76 is formed from the bottom of the upper vertical surface 72 to the upper vertical surface 72, and a guide hole 77 is formed between the upper vertical surface 72 and one side vertical surface 70a.
Reference numeral 7 denotes an opening in the lateral guide recess 75, and the bottom thereof is flush with the upward surface 73. The movable member 71 is made of rods 78 and doorstop portion 79 and the sliding block 80 fitted slidably in the guide hole 77, the movable member 71 and pushing it against the base body 70, becomes drawable , And the sliding block 80 is
Of the sliding block 80, a screw 82 screwed into a screw hole 81 of the sliding block 80 is inserted into the through hole 76, and a positioning recess 83 formed on the upper surface of the sliding block 80. Are engaged with one of the first and second positioning projections 84 and 85 formed on the upper inner surface of the lateral guide recess 75 so as to be able to be held at the pulled-out position and the pushed-in position. The door roller supporting member 21 is provided with a contact piece 87 on one side edge of a plate-shaped body 86, a support piece 88 on an upper edge portion, and an L-shaped mounting piece 89 provided integrally on a lower edge portion. A knob 90 is attached to 89, a door wheel 23 is attached to a plate 86 so as to be rotatable with a support shaft 91, and the plate 86 is attached to a tip end of the movable member 71 so as to be swingable up and down by a shaft 92. A spring 93 is provided around 92 so as to urge the plate-shaped body 86 downward so that the door wheel 23 projects downward from the lower surface of the mounting base 20 , and the knob 90 holds the door wheel support.
The member 21 is moved together with the movable member 71 to the base body 70.
It can be pulled out and pushed in.

【００１２】次に網戸５の取付け動作を説明する。摘み
９０を持って可動部材７１を図９に示すように基部本体
７０から引き出して戸車支承部材２１の板状体８６の下
面８６ａを基部本体７０のストッパ上向面７４に当接
し、戸車支承部材２１をスプリング９３に抗して上方に
揺動して戸車２３が下框２の下面より上方となる上方位
置に保持する。この時、摺動ブロック８０は可動部材７
１の杆体７８によって横向ガイド凹部７５に沿って引き
出しされて位置決め凹部８３が第１位置決め凸部８４に
係合することで可動部材７１を前述の位置にロックす
る。すなわち、可動部材７１とストッパ上向面７４でロ
ック部材を構成している。この状態で網戸５をサッシ枠
１３内にけんどん式に建込み、摘み９０を持って図１２
に示すように可動部材７１を押し込んで板状体８６の下
面８６ａをストッパ上向面７４より離脱させる。これに
より戸車支承部材２１がスプリング９３で下方に揺動し
て当て板８７がビス８２に当接し戸車２３が下レール１
５に接して網戸５を下レール１５で走行ガイドする。こ
の時、摺動ブロック８０の位置決め凹部８３が第２位置
決め凸部８５に係合して可動部材７１を前述の位置に保
持する。また、網戸５を建付け調整する際にはビス８２
の締付け量を異ならせることで戸車支承部材２１の下方
への揺動量を変えれば良い。Next, the mounting operation of the screen door 5 will be described. Picking
9 , the movable member 71 is pulled out from the base body 70 as shown in FIG. 9, and the lower surface 86 a of the plate-shaped body 86 of the door wheel support member 21 abuts against the stopper upward surface 74 of the base body 70, and the door wheel support member 21 Swings upward against the spring 93 to hold the door roller 23 at an upper position above the lower surface of the lower frame 2. At this time, the sliding block 80 is
The movable member 71 is locked at the aforementioned position by being pulled out along the lateral guide concave portion 75 by the one rod 78 and engaging the positioning concave portion 83 with the first positioning convex portion 84. That is, the movable member 71 and the stopper upward surface 74 constitute a lock member. In this state, the screen door 5 is steadily erected in the sash frame 13, and the knob 90 is held in FIG.
As shown in (2), the lower surface 86a of the plate-shaped body 86 is separated from the stopper upward surface 74 by pushing the movable member 71. As a result, the door roller supporting member 21 swings downward by the spring 93, the abutment plate 87 contacts the screw 82, and the door roller 23
5 and guides the screen door 5 on the lower rail 15. At this time, the positioning concave portion 83 of the sliding block 80 engages with the second positioning convex portion 85 to hold the movable member 71 at the above-described position. When the screen door 5 is installed and adjusted, the screw 82 is used.
The amount of downward swing of the door roller bearing member 21 may be changed by changing the amount of tightening of the door.

【００１３】[0013]

【発明の効果】取付基部２０に対して戸車支承部材２１
をロック部材で上方位置に保持すれば網戸の建込み、取
外し時に戸車２３が下レール１５と干渉せずに邪魔にな
らないから網戸の建込み、取外しを容易にでき、ロック
部材による保持を解除すれば取付基部２０に対して戸車
支承部材２１がスプリング力で下方位置に揺動して戸車
支承部材２１の下端部と下レール１５の上下方向の重な
り代が大きくなって網戸がサッシ枠より外れることを防
止できる。According to the present invention, the door roller supporting member 21 is attached to the mounting base 20.
When the door is held in the upper position by the lock member, the door door 23 does not interfere with the lower rail 15 at the time of installation and removal of the door, so that the door can be easily installed and removed, and the holding by the lock member can be released. For example, the door roller supporting member 21 swings to the lower position with the spring force with respect to the mounting base 20, so that the vertical overlap between the lower end portion of the door roller supporting member 21 and the lower rail 15 increases, and the screen door comes off the sash frame. Can be prevented.

【図面の簡単な説明】[Brief description of the drawings]

【図１】第１実施例を示す網戸下部の一部破断正面図で
ある。FIG. 1 is a partially broken front view of a lower portion of a screen door showing a first embodiment.

【図２】網戸下部の側面図である。FIG. 2 is a side view of a lower portion of a screen door.

【図３】戸車本体と外れ止め部材の分解斜視図である。FIG. 3 is an exploded perspective view of a door roller main body and a stopper member.

【図４】網戸建込み状態の下部正面図である。FIG. 4 is a front view of the lower part in a screen door built state.

【図５】第２実施例の網戸下部の一部破断正面図であ
る。FIG. 5 is a partially cutaway front view of a lower portion of a screen door according to a second embodiment.

【図６】網戸下部の側面図である。FIG. 6 is a side view of a lower portion of a screen door.

【図７】戸車本体と外れ止め部材の分解斜視図である。FIG. 7 is an exploded perspective view of a door roller main body and a stopper member.

【図８】網戸建込み状態の網戸下部正面図である。FIG. 8 is a front view of the lower portion of the screen door in a state where the screen door is installed.

【図９】第３実施例を示す網戸下部の一部破断正面図で
ある。FIG. 9 is a partially broken front view of a lower portion of a screen door showing a third embodiment.

【図１０】網戸下部の側面図である。FIG. 10 is a side view of the lower part of the screen door.

【図１１】戸車本体と外れ止め部材の分解斜視図であ
る。FIG. 11 is an exploded perspective view of a door roller main body and a stopper member.

【図１２】網戸建込み状態の下部正面図である。FIG. 12 is a front view of the lower part in a state where the screen is installed.

【符号の説明】[Explanation of symbols]

２…下框、５…網戸、１２…戸車装置、１３…サッシ
枠、１４…下枠、１５…下レール、２０…取付基部、２
１…戸車支承部材、２３…戸車、３８…スプリング、５
９…スプリング、９３…スプリング。2 lower frame, 5 screen door, 12 door car device, 13 sash frame, 14 lower frame, 15 lower rail, 20 mounting base, 2
DESCRIPTION OF SYMBOLS 1 ... Door roller support member, 23 ... Door roller, 38 ... Spring, 5
9 ... Spring, 93 ... Spring.

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項１】 網戸５の下框２に取付けられる取付基部
２０と、この取付基部２０に上下揺動自在に支承された
戸車支承部材２１と、この戸車支承部材２１の下端部に
取付けた戸車２３と、前記戸車支承部材２１を戸車２３
が取付基部２０の下面より下方に突出した下方位置に付
勢するスプリング３８，５９，９３と、前記取付基部２
０に設けられて戸車支承部材２１を戸車２３が取付基部
２０の下面より上方となった上方位置に保持するロック
部材より成る網戸用戸車装置。1. A mounting base 20 mounted on the lower frame 2 of the screen door 5, a door wheel supporting member 21 supported on the mounting base 20 so as to be able to swing up and down, and a door wheel mounted on a lower end of the door wheel supporting member 21. 23 and the door roller supporting member 21
Springs 38, 59, 93 for urging a lower position protruding downward from the lower surface of the mounting base 20, and the mounting base 2.
A door door swinging device for a screen door, comprising a lock member provided at 0 and holding the door swing bearing member 21 at an upper position where the door swing 23 is above the lower surface of the mounting base 20.