JP3609717B2 - Retractable screen door - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a winding screen door that is arranged outside the sliding door and can be opened and closed in a double-opening manner in conjunction with the sliding door. More specifically, the sliding door and the winding screen door are interlocked. The present invention relates to a retractable screen door provided with a latch mechanism for releasing or interlocking.
[0002]
[Prior art]
When installing winding screen doors that shield left and right openings opened by sliding doors that open and close in a sliding manner, as shown in FIGS. 6A and 6B, left and right vertical frames of the opening frame outside the building in the sliding doors In addition, it is conceivable to install a winding screen door that is linked to the opening / closing operation of the sliding door. And in these roll-up type screen doors, it is required that the interlock of the movable screen of the screen door with respect to the outside sliding door can be released as necessary for the entry and exit of people. The latch provided on the bag can be engaged with and disengaged from the latch piece provided on the vertical frame of the sliding door.
[0003]
However, in the winding type screen door, when the latch can be automatically engaged with the latch piece of the sliding door by the operation of the movable rod or the sliding door, the latch becomes the latch piece by the erroneous movable rod or the sliding door operation on the outdoor side. There is a problem that the screen door cannot be opened and closed from the outdoor side.
On the other hand, the latch has a simple structure and does not break down. The latch can be automatically engaged with the latch piece by operating the sliding door or the movable rod, and can be easily held at a position where the latch is not automatically engaged. It is hoped that.
[0004]
[Problems to be solved by the invention]
The problem to be solved by the present invention is to provide a roll-up screen door in which the latch can be operated from either the indoor or outdoor side with a simple structure.
Another object of the present invention is to provide a retractable screen door that has a simple structure so that a latch automatically engages with a latch piece by operating a sliding door or a movable rod.
Another object of the present invention is to provide a winding screen door that can easily hold the latch in a position not automatically engaged with the latch piece by a simple structure.
[0005]
[Means for Solving the Problems]
In order to solve the above-described problems, the present invention provides a winding screen door that can be opened and closed in a left-right double opening manner in conjunction with the sliding door on the outside of the sliding door, and a spring is wound along the upper and lower horizontal frames of the screen door frame. A winding that opens and closes a net as a drive source for taking up and opens and closes the net while guiding the upper and lower sliding members of the movable rod for opening and closing the net to the upper and lower horizontal frames of the screen door frame. In the type screen door, there is provided a latch that is detachably engaged with the latch piece provided on the vertical frame of the sliding door, and that causes the movable rod to follow the movement of the sliding door by the engagement. The latch piece can be automatically engaged by the operation of the above , and an operation portion that can be operated from either the indoor or outdoor side is provided on the latch, and the latch provided on the movable rod is arranged along the saddle material of the movable rod. Sliding up and down within a certain range Formed, a lowered position due to its own weight of the latch is characterized in that it has a possible automatic engagement position with the latch piece of the sliding door.
[0006]
The winding type in a more specific structure of the screen door, the latch and the sliding door latch piece of the variable Dokamachi, the sliding door in the direction of closing the non Zhang設開opening of the formed net between the sliding door and movable rail Alternatively, when the movable rod moves, the latch piece can be configured to have a cam surface that pushes up the latch and automatically engages with each other, and a holding means for engaging and holding the latch in the upward movement position is provided. Therefore, it is appropriate to be able to hold it so that it does not automatically engage there.
[0007]
The retractable screen door having the above-described configuration is movable when the sliding door or the movable rod is moved in the direction to close the non-extending opening of the net formed between them, and the vertical frame of the sliding door and the movable rod overlap. The latch provided on the bag automatically engages with the latch piece provided on the sliding door. Thereafter, when the sliding door is moved, the screen door engaged with the vertical frame moves following the sliding door. Therefore, when the sliding door or the movable rod is operated on the outdoor side, the latch of the movable rod may be engaged with the latch piece of the sliding door, but the latch is latched from either the indoor or outdoor side by the operation portion. Since the engagement / disengagement operation with respect to the piece can be performed, the screen door of the opening formed by the sliding door can be freely opened and closed from the room and the outdoor side.
[0008]
Further, the latch provided on the movable rod in the winding screen door is formed to be slidable up and down within a certain range along the rod of the movable rod, and in a state where the latch is in a lowered position due to its own weight, When the sliding door or the movable rod is moved in the direction to close the non-tensioned opening of the net formed between them, the cam surfaces of the latch and the latch piece abut against each other, and the latch is pushed up. Since the latch engages behind the latch piece, not only can the latch be automatically engaged with the latch piece by a simple structure, but also the latch is held in the upward movement position. It is also possible to hold the latch piece in a state where it is not automatically engaged by a simple operation.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIGS. 1 to 3 show an embodiment of a roll-up screen door of the present invention, in which 2 is a substantially rectangular shape. 4A and 4B are nets made of insect repellents that are attached to the screen door frame 2 so that they can be opened and closed in a left and right direction, and 6A and 6B are for opening and closing operations attached to the ends of the nets 4A and 4B, respectively. It is a movable cage.
Since the structures related to the left and right nets 4A and 4B are substantially the same, in the following description, only the structure related to the net 4A will be described unless there is a special need. The description thereof will be omitted.
[0010]
As shown in FIGS. 1 and 2, the nets 4A and 4B have their one ends attached to the left and right vertical frames 8 and 10 in the screen door frame 2 and the other ends for winding a spring 16 respectively. By fixing the winding shafts 18A and 18B to the winding shafts 18A and 18B as drive sources and rotatably accommodating them in the flanges 22A and 22B of the movable rods 6A and 6B, respectively, the net 4A and 4B are arranged so that they can be fed and wound.
[0011]
As shown in FIGS. 1 and 2, the screen door frame 2 is formed in a substantially rectangular shape by left and right vertical frames 8 and 10 and upper and lower horizontal frames 12 and 14, and is screwed or adhesive tape to a building opening. It can be fixed by appropriate means such as.
[0012]
The cage material 22A in the movable cage 6A is made of a synthetic resin or a metal such as aluminum and has a cylindrical shape with an opening in a part thereof, and is movable up and down along the upper and lower horizontal frames 12 and 14 in the screen door frame 2. The upper and lower ends of the winding shaft 18A around which the net 4A is wound are freely rotatable around the upper and lower sliding members 24A and 26A. The net 4A is led out from the opening of the brazing material 22A.
[0013]
The sliding members 24A and 26A are for sliding the upper and lower horizontal frames 12 and 14 in the screen door frame 2 so that the net 4A can be opened and closed smoothly by the movable rod 6A. More specifically, the sliding member 24A connected to the upper part of the saddle member 22A in the movable saddle 6A is connected to the main body 32a fitted to the upper end of the saddle member 22A, of the upper horizontal frame 12 in the screen door frame 2. A sliding member 26A having a pair of rolling wheels 34a that rolls on the guide rail 12a is attached by a screw 38a. On the other hand, a sliding member 26A connected to the lower part of the saddle member 22A has a lower part. In order to guide to the guide wall 14a erected on both sides in the longitudinal direction of the horizontal frame 14, it is fitted to the lower end of the saddle member 22A.
[0014]
A movable stopper 30 is provided at the center of the upper horizontal frame 12 of the screen door frame 2 to allow the movable range of the movable rods 6A and 6B to a position slightly beyond the central portion of the horizontal frame 12. Yes. As shown in FIGS. 1 and 3, the stopper 30 is formed by opening and closing the net 4A on both side surfaces of a stopper main body 30a attached in the horizontal frame 12 on which the sliding member 24A (24B) on the upper side of the movable rod slides. A long hole 30b is formed along the direction, and a movable member (pin) 30c with which the rolling wheel 34a of the sliding member 24A (24B) on the upper side of the movable rod abuts is loosely fitted in the long hole 30b. It is formed by.
[0015]
In the winding type screen door, the latch pieces 41A provided on the vertical frames 60A and 60B of the outer sliding door 60 as shown in FIGS. Latches 42 </ b> A and 42 </ b> B are provided that are detachably engaged with 41 </ b> B and cause the movable rods 6 </ b> A and 6 </ b> B to follow the movement of the sliding door 60 by the engagement.
As clearly shown in FIGS. 4 and 5, the latch 42A (42B) includes a latch body 43A (43B) formed so as to be slidable vertically within a certain range along the flange 22A of the movable rod 6A. The latch main body 43A is provided with an operating portion that can be moved up and down from either the indoor or outdoor side by surrounding the saddle member 22A and being located on either side of the indoor or outdoor side.
[0016]
The latch body 43A is provided with holding means 44A for holding the latch 42A in the upward movement position. As this holding means 44A, as clearly shown in FIG. 1, FIG. 2 and FIG. 5, a screw receiving plate 45A is fitted into a mounting groove 23A provided along the longitudinal direction of the flange 22A. By fixing the receiving plate 45A and the fixing plate 46A covering it with screws 49A, the fixing plate 46A is fixed immovably in the vertical direction along the mounting groove 23A with respect to the flange 22A, while the latch body 43A is fixed. The abutting portion 50A provided so as to cross the fixing plate 46A is brought into contact with a stopper portion 47A formed on the upper and lower portions of the fixing plate 46A to limit the vertical movement range of the latch main body 43A, and the latch main body 43A. The projecting piece 51A provided on the contact portion 50A is engaged with an engaging projection 48A projecting in the fixed plate 46A at the upward movement position of the latch main body 43A.
[0017]
As will be described later with reference to FIGS. 7 and 8, the latches 42A and 42B are automatically engaged with latch pieces 41A and 41B provided on the vertical frames 60A and 60B of the sliding door 60 at the lowered position due to the weight of the latch bodies 43A and 43B. On the other hand, the latch 42A, 42B does not automatically engage the latch pieces 41A, 41B at the upward movement position of the latch main body 43A held by the holding means 44A comprising the bullet piece 51A and the engaging protrusion 48A. The position.
[0018]
When the latch 42A or 42B is not engaged with the latch piece 41A or 41B, the latch main body 43A, 43B and the latch piece 41A, 41B When the sliding door and the movable rod are moved relative to each other in a direction to close the non-tensioned opening of the net formed between the sliding door 60 and the movable rod 6A, 6B, the latch pieces 41A, 41B hold the latch bodies 43A, 43B. Cam surfaces 53a and 54a that are pushed up and automatically engaged with each other are provided. The latch body pushed up by the contact of the cam surfaces 53a and 54a descends by its own weight behind the latch piece after the latch piece passes under the latch body, and engages behind the latch piece. It will be.
[0019]
In addition, since there is a gap between the above-mentioned cage materials 22A and 22B and the vertical frames 60A and 60B of the sliding door 60, it is necessary to prevent insects from entering the gap portions. Insect repellent seal 55 (see FIG. 2) made of brush, mohair, elastic thin piece or the like is provided, but at the portion where the latch main bodies 43A and 43B slide, the latch main bodies 43A and 43B are insect repellent seals on the cage materials 22A and 22B. Since this part is surrounded, it is impossible to provide the insect-proof seal. Therefore, a mounting groove 57 for mounting the auxiliary insect repellent seal 56 is provided at a position near the extension line of the insect repellent seal 55 in the latch main bodies 43A and 43B.
In addition, the code | symbol 28 shown in the figure has shown the elastic buffer material for relieving the momentum of the collision of movable rod 6A, 6B.
[0020]
The retractable screen door having the above configuration moves the sliding door 60 or the movable rods 6A and 6B in a direction to close the non-extending openings of the nets 4A and 4B formed therebetween (A in FIG. 7). When the vertical frames 60A and 60B of the sliding door 60 and the movable rods 6A and 6B overlap each other, the latch body is pushed up by the contact of the cam surfaces 53a and 54a provided on the latch bodies 43A and 43B and the latch pieces 41A and 41B. When the movement further proceeds, the latch falls under its own weight behind the latch piece, and the latch bodies 43A and 43B automatically engage with the latch pieces 41A and 41B.
[0021]
Thereafter, when the sliding door 60 is moved, the screen door engaged with the vertical frames 60A and 60B is pulled by the sliding door 60, or the net is wound by the spring 16 in the winding shafts 18A and 18B. 6A and 6B move following the sliding door 60. For example, as shown in FIG. 6A, when the net 4 </ b> B is stretched by engaging the vertical frame 60 </ b> B of the movable rod 6 </ b> B sliding door 60, when the sliding door 60 is opened as shown in FIG. The movable rod 6A locked to the vertical frame 60A can be made to follow the movement of the sliding door 60. In the process or after the state shown in FIG. When the latch piece 41A is detached, the net 4A is caught in the movable rod 6A in the state shown in FIG.
[0022]
Further, since the latch main bodies 43A and 43B can be engaged and disengaged with respect to the latch pieces 41A and 41B from either the inside or outside of the room by the operation portion, by operating the sliding door or the movable rod on the outdoor side, Even if the latch of the sliding door engages with the latch piece of the sliding door, the net of the opening formed by the sliding door 60 can be freely opened and closed from the inside and the outside of the room.
[0023]
In addition, the latch main bodies 43A and 43B provided on the movable rods 6A and 6B in the winding screen door are slidable up and down within a certain range along the rod material of the movable rod, and the latch main body has its own weight. When the sliding door 60 or the movable rod 6A, 6B is moved in the direction of closing the non-tensioned opening of the net formed therebetween, the cam surface 53a of the latch and the latch piece Since the latch bodies 54a are brought into contact with each other to push up the latch body, and the latch body is engaged with the back of the latch piece, the latch is automatically engaged with the latch piece with a simple structure. In addition to being able to hold the latch, the latch can be held in a state where it is not automatically engaged with the latch piece by a simple operation of engaging and holding the latch in the upward movement position. That.
[0024]
In the above-described embodiment, the case where the present invention is applied to a winding screen door in which the winding shafts 18A and 18B are rotatably held in the flanges 22A and 22B of the movable rods 6A and 6B, respectively, has been described. However, the present invention is not limited to this, and the present invention can be applied to a winding screen door in which the winding shaft is rotatably held by the left and right vertical frames 8 and 10 of the screen door frame.
[0025]
【The invention's effect】
According to the present invention described in detail above, a wind screen door that can be opened and closed in a double-opening manner in conjunction with the sliding door on the outside of the sliding door, and a latch for the interlocking operation can be automatically engaged with the latch piece. In this case, the latch can be operated from either the indoor or outdoor side with a simple structure, and the latch is automatically engaged with the latch piece by its own weight and does not automatically engage with the latch piece. Can also be easily retained.
[Brief description of the drawings]
FIG. 1 is a partially cutaway front view of a winding screen door according to the present invention.
FIG. 2 is a plan sectional view of the same.
FIG. 3 is a sectional side view of the same.
FIG. 4 is a perspective view showing a configuration of a latch in the embodiment.
FIG. 5 is a front view of holding means for holding the latch in the upward movement position.
FIGS. 6A and 6B are plan views for simply explaining the case where the net of the right winding screen door is in a completely stretched state, and B is the case in which the left net is in a completely stretched state.
FIGS. 7A to 7C are enlarged front views of a main part for explaining a mode of engagement of a latch with a latch piece; FIGS.
FIG. 8 is a main part enlarged front view showing a state when the latch is held at a position where it is not automatically engaged with the latch piece.
[Explanation of symbols]
2 Screen door frame 4A, 4B Net 6A, 6B Movable rod 8, 10 Vertical frame 12, 14 Horizontal frame 16 Spring 18A, 18B Winding shaft 24A, 24B, 26A, 26B Sliding member 41A, 41B Latch piece 42A, 42B Latch 53a , 54a Cam surface 44A Holding means 60 Sliding door 60A, 60B Vertical frame

Claims (3)

A retractable screen door that can be opened and closed in a double-left-and-left manner in conjunction with the sliding door on the outside of the sliding door, and can open and close the net that uses a spring as a drive source for winding along the upper and lower horizontal frames of the screen door frame. In the retractable screen door which opens and closes the net while guiding the upper and lower sliding members of the movable rod for opening and closing the net to the upper and lower horizontal frames of the screen door frame,
The above-mentioned movable rod is provided with a latch that is detachably engaged with a latch piece provided on the vertical frame of the sliding door, and the movable rod is caused to follow the movement of the sliding door by the engagement, and the latch is latched by operating the movable rod or the sliding door. The latch can be automatically engaged, and the latch is provided with an operation unit that can be operated from either the indoor or outdoor side .
The latch provided on the movable rod is slidable up and down within a certain range along the rod of the movable rod, and the lowered position by its own weight is a position that can be engaged with the latch piece of the sliding door. did,
A retractable screen door characterized by that. The latch of the movable rod and the latch piece of the sliding door are the latch piece that pushes up the latch when the sliding door or the movable rod moves in the direction to close the non-extended opening of the net formed between the sliding door and the movable rod. With cam surfaces that automatically engage each other,
The roll-up type screen door according to claim 1. A holding means for engaging and holding the latch in the upward movement position is provided.
The roll-up screen door according to claim 1 or 2.

Images