JPH0519478U - Screen door retaining device - Google Patents

Abstract

(57) [Abstract] [Purpose] A sliding door can be moved by a simple operation to build and remove a screen door, the screen door can be prevented from coming off, and the design is improved. [Constitution] A door roller main body 13 having a door roller 12 is attached to a lower frame 2 of a screen door 5, and a door roller supporting member 21 is provided on an attachment base 20 of the door roller main body 13 so as to be vertically swingable. A retaining member 27 having a guide roller 29 is vertically swingably supported on the retaining member 27.
Is urged downward by a spring 31 to move the mounting base 2
The lock member 32 is movably provided along the zero position between a first position for contacting the lock roller 32 with the guide roller 29 and holding the stopper member 27 at an upper position and a second position for separating the lock roller 32 from the guide roller 29. By moving, the retaining member 27 can be moved and held in the lower position and the upper position.

Description

[Detailed description of the device]

[0001]

[Industrial application]

 The present invention relates to a screen door retaining device that prevents the screen door from falling off the sash frame.

[0002]

[Prior Art]

 Generally, the screen door is slidable along the upper rail of the upper frame that constitutes the sash frame and the lower rail of the lower frame that constitutes the sash frame.The screen door is removed from the sash frame when it is not used in winter, etc. Since it is built in the sash frame at the time of use, general users can easily install the screen door in the sash frame and remove it. For example, a screen door is installed between the upper and lower rails of the sash frame in a kendon style so that it can be removed. In this way, by installing the screen door between the upper and lower rails in a tentative manner so that it can be removed, not only is the vertical overlap margin between the lower part of the screen door and the lower rail reduced, but also the overlapping part between the lower part of the screen door and the lower rail is reduced. There may be a gap in the prospective direction, and the screen may come off the sash frame due to sagging of the sash frame, rattling when opening / closing the screen. Also, as shown in Japanese Utility Model Laid-Open No. 61-32475, a sliding piece is provided on the lower frame of the door so that it can move up and down, and when the door is built, the sliding piece is moved upward to form a sash frame. There is a known door retaining device that does not interfere with the lower rail of the frame and moves the sliding piece downward after it is installed to fit the lower rail so that the lower part of the door does not come off from the lower rail. There is.

[0003]

[Problems to be solved by the device]

 The above-mentioned door retaining device has a structure in which the sliding piece is urged to move downward by a spring, and the pulling rod provided on the sliding piece is fixed to the indoor side wall of the lower frame with a screw and held at the upper position. Therefore, when the door is built in and removed, it is necessary to loosen the screw and lift the sliding piece against the spring, and then hold the sliding piece at that position and tighten the screw again. Not only is the operation troublesome, but the design is poor because the screws can be seen from the interior.

Therefore, an object of the present invention is to provide a screen door retaining device capable of solving the above-mentioned problems.

[0005]

[Means for Solving the Problems]

 The retaining member 27 is attached to the door roller main body 13 attached to the lower frame 2 of the screen door 5 at the upper position where the lower end thereof is higher than the lower surface of the lower frame 12 and the lower position where the lower end projects downward from the lower surface of the lower frame 12. The retaining member 27 is movably attached to the retaining member 27, and the retaining member 27 is urged to move to the lower position by a spring, and the locking member 32 is held along the lower frame 2 at the upper position in contact with the retaining member 27. A screen door retaining device which is provided so as to be movable between a first position and a second position separated from the retaining member 27.

[0006]

[Work]

 When the locking member 32 is set to the first position, the retaining member 27 can be held in the upper position, and when the screen door 5 is built in the sash frame 14, the retaining member 27 does not get in the way when removing the screen door 5 from the screen door 5. Can be removed from the sash frame 14 in a tentative manner, and when the locking member 32 is in the second position, the retaining member 27 is in the lower position and its lower end overlaps the lower rail 16 so that the screen door 5 is sashed. It can be prevented from coming off the frame 14.

[0007]

【Example】

As shown in FIG. 1, the left and right vertical frames 1, the lower frame 2 and the upper frame (not shown) are framed in a rectangular shape to form a screen frame assembly 3 on which a net 4 is attached to form a screen door 5. As shown in FIG. 2, the outer wall 6, the inner wall 7, the upper wall 8 and the hook piece 9 have a downward concave portion 10 and a net attachment concave portion 11. A door roller main body 13 having a door roller 12 is installed therein to guide the lower part of the screen door 5 along a lower rail 16 of a lower frame 15 which constitutes a sash frame 14. As shown in FIGS. 1 and 3, the door roller main body 13 is provided with a plate-shaped door roller supporting member 21 at an intermediate portion in the longitudinal direction of the mounting base portion 20 which is fitted and attached in the downward recess 10 of the lower frame 2. The door roller 12 is attached by a pin 22 so as to be vertically swingable, and the door roller 12 is rotatably supported by a support shaft 23 near one end of the door roller supporting member 21 in the longitudinal direction, and a supporting piece 24 is provided at an upper edge portion in the longitudinal direction. Is integrally formed, and the other end in the longitudinal direction is bent to form a screw pressing portion 25. By pressing a screw 26 screwed on the mounting base 20 to the screw pressing portion 25, the door roller support member 21 pushes the pin 22. It swings downward as a center. A longitudinal end of a slip-off preventing member 27 is vertically swingably supported by a pin 28 in the middle of the door roller support member 21 in the longitudinal direction, and a guide roller 29 is supported on the other longitudinal end of the slip-off preventing member 27. The guide roller 29 rotatably supports the slip-off preventing member 27 in the longitudinal direction, and the pin 28 is attached with a spring 31. One end 31a of the spring 31 is attached to the door roller supporting member. The other end 31b is locked to the disengagement prevention member 27 so that the disengagement prevention member 27 is urged by the spring 31 to swing downward, and the lock member 32 moves upward. Is held in a swaying position. As shown in FIGS. 3 and 4, the lock member 32 includes a long horizontal plate 33, a short vertical plate 34 provided on the outdoor side surface 33a of the horizontal plate 33, and a support piece provided on the upper surface 33b of the horizontal plate 33. The support piece 35 is long and has one end portion in the longitudinal direction inclined downward, and a support lateral piece 36 in contact with the guide roller 29, and the other end portion in the longitudinal direction of the support lateral piece 36 integrally. A substantially L-shaped cutout concave portion formed of a short mounting vertical piece 37 provided, and a lateral concave portion 38 facing the supporting lateral piece 36 on the outdoor side surface of the mounting base 20 and a vertical concave portion 39 continuous with the lateral concave portion 38. 40 is formed, the support piece 35 faces the notch recess 40, and the upper surface 33b of the horizontal plate 33 contacts the lower surface 20b of the mounting base 20 and the lower end surface 6a of the outdoor side wall 6 of the lower frame 2 as shown in FIG. The plate 34 protrudes outward from the outdoor side wall 6 of the lower frame 11 to operate. Becomes knob, are the lock member 32 has a vertical plate 34 to move only the length L ₁ of the vertical recesses 39 along the cutout recess 40.

Next, the building operation of the screen door 5 will be described. As shown in FIG. 1, the locking member 32 is moved to the side of the door roller 12, the supporting lateral piece 36 is brought into contact with the guide roller 29, and the detent member 27 is swung upward against the spring 31 to derail it. The lower end of 27 is located above the lower surface of the lower frame 2. As a result, the door roller support member 21 is swung upward via the spring 31, the screw pressing portion 25 contacts the screw 26, and the door roller 12 is stored in the lower frame 2. In the above-described state, the screen door 5 is laid in the sash frame 14 in a tensed manner, and the door roller 12 is brought into contact with the lower rail 16. After that, the lock member 32 is moved to the side opposite to the door roller 12 to separate the support lateral piece 36 from the guide roller 29. As a result, as shown in FIG. 5, the retaining member 27 is moved downward by the spring 31 until the guide roller 29 contacts the lower surface of the lower rail 16, and the lower end portion of the retaining member 27 overlaps the inner side surface of the lower rail 16. To prevent the screen door 5 from coming off. Further, by tightening the screw 26, the door roller support member 21 is swung downward, so that the screen door 5 is lifted upward, so that the installation of the screen door 5 can be adjusted.

Next, a second embodiment will be described with reference to FIGS. 6 to 9. As shown in FIGS. 6 and 8, the mounting base 20 of the door roller main body 13 has a shape having an upper plate 40, both side vertical plates 41 and 42, and one end vertical plate 43 having a recessed portion 44 whose lower end and the other end open. A door roller support member 21 in which the door pulley 12 is supported by the support shaft 23 by forming a notch recess 45 in the lower middle portion in the longitudinal direction of the both side vertical plates 41, 42 and forming an oblique long hole 46 above the notch recess 45. The support pin 47 inserted through the elongated hole 46 so as to face the recessed portion 44 from the cutout recessed portion 45, and fitted to the door roller support member 21, and the screw 26 screwed to the vertical plate 43 at one end is attached to the door wheel support member. The door pin support member 21 is moved diagonally up and down by the support pin 47 and the long hole 46 by abutting against and pushing the member 21, so that the building adjustment can be performed. A rectangular notch 48 opening downward and a pair of vertically elongated holes 49, 49 located on both sides of the notch 48 are formed near the other ends of the both side vertical plates 41, 42, and the other end face is covered. The engagement concave portion 50 is formed, and the retaining member 27 is formed by forming a concave groove 52 on the lower surface of a prismatic main body 51 and integrally forming a pair of projecting pieces 53, 53 on the main body 51. A guide roller 54 is rotatably supported by a support shaft 55 in the groove 52, and an engaged recess 56 is formed in one of the pair of projecting pieces 53, 53. Then, the main body 51 is vertically movably fitted along the notches 48, 48 of the both side vertical plates 41, 42 of the mounting base 20, and the pin 57 inserted through the vertically long hole 49 is fitted to the projecting piece 53 to fit the main body. 51 is vertically movably supported on the mounting base 20 and is urged downward by a spring 58. The lock member 32 is made of plastic in which a pair of upper and lower hook pieces 60, 60 and an engaging projection 61 are integrally provided on the indoor side surface of the vertical plate 59, and is paired vertically with a long groove 62 formed in the outdoor side wall 6 of the lower frame 2. The lock member 32 is slidable in the longitudinal direction along the outdoor side wall 6 of the lower frame 2 by engaging the hook pieces 60, 60.

Next, the building operation of the screen door 5 will be described. As shown in FIG. 6, the lock member 32 is moved to the side of the door roller 12, the engagement protrusion 61 is engaged with the engaged recesses 50 and 56, and the disengagement prevention member 27 is moved upward against the spring 58. The lower end of the retaining member 27 is held above the lower position of the lower frame 2. In the above-described state, the screen door 5 is laid in the sash frame 14 in a tensed manner, and the door roller 12 is brought into contact with the lower rail 16. After this, the lock member 32 is moved to the side opposite to the door roller 12 to disengage the engagement protrusion 61 from the engaged recesses 50 and 56. As a result, as shown in FIG. 9, the retaining member 27 swings downward by the spring 58 until the guide roller 54 comes into contact with the upper surface of the lower rail 16, and the recessed groove 52 at the lower end portion of the retaining member 27 moves into the lower rail 16. It prevents the screen door 5 from coming off by being fitted into. Further, by tightening the screw 26, the door roller support member 21 is moved downward, so that the screen door 5 is lifted upward, and the screen door 5 can be installed and adjusted.

In each of the above embodiments, the door roller support member 21 provided with the door roller 12 and the mounting base 20 form the door roller main body 13, and the door roller support member 21 can be moved up and down. It is also possible to support the door roller 12 and attach the retaining member 27 to the door roller main body 13 so as to move up and down.

[0012]

The locking member 32 can be held in the upper position by setting the locking member 32 to the first position, and the locking member 27 becomes an obstacle when the screen door 5 is built into the sash frame 14 and when it is removed. Instead, the screen door 5 can be pulled up into the sash frame 14 in a tentative manner and can be removed, and when the locking member 32 is in the second position, the retaining member 27 is in the lower position and its lower end overlaps the lower rail 16. It is possible to prevent the screen door 5 from coming off from the sash frame 14. Therefore, the lock member 32 can be moved to the first position and the second position by the simple operation to move the detent member 27 to build and remove the screen door 5 and prevent the screen door 5 from coming off. Moreover, the designability is improved simply by seeing the lock member 32 from the outdoor side.

[Brief description of drawings]

FIG. 1 is a partially cutaway front view of a lower portion of a screen door showing a first embodiment.

FIG. 2 is a side view of a lower portion of a screen door.

FIG. 3 is an exploded perspective view of a door roller main body and a retaining member.

FIG. 4 is an exploded perspective view of a lock member mounting portion.

FIG. 5 is a front view of a lower portion of a screen door installed state.

FIG. 6 is a partially cutaway front view of the lower portion of the screen door of the second embodiment.

FIG. 7 is a side view of the lower portion of the screen door.

FIG. 8 is an exploded perspective view of a door roller main body and a retaining member.

FIG. 9 is a front view of the lower part of the screen door in a state where the screen door is built.

[Explanation of symbols]

2 lower frame, 5 screen door, 12 door car, 13 door car body, 1
4 sash frame, 15 lower frame, 16 lower rail, 20 mounting base, 21 door roller supporting member, 26 screw, 27 retaining member, 29 guide roller, 31 spring, 32
Locking member, 36 support lateral plate, 50 engaged recess, 56
Engagement recess, 58 spring, 61 engagement protrusion.

Claims (1)

[Scope of utility model registration request] 1. A screen door in which a door roller main body 13 having a door roller 12 is attached to a lower frame 2 of the screen door 5, and the door roller 12 is freely movable along a lower rail 16 of a lower frame 15 constituting a sash frame 14. A stopper member 27 is attached to the door roller main body 13, an upper position where the lower end portion is above the lower surface of the lower frame 12 and a lower frame portion is the lower frame 1.
2 is movably attached to a lower position that projects downward from the lower surface, and the disengagement prevention member 27 is urged to move to a lower position by a spring, and the lock member 32 is attached to the disengagement prevention member along the lower frame 2. 27
A screen door retaining device, wherein the screen door retaining device is movably provided between a first position in contact with the upper position and a second position separated from the retaining member 27.