JP4150657B2 - Horizontally retractable screen door - Google Patents

Description

  The present invention relates to a laterally retractable screen door having improved locking means between a movable rod and a side frame for tensioning a net in the screen door.

  2. Description of the Related Art Conventionally, a laterally retractable screen door in which a net is wound around a take-up shaft by using a spring housed in the take-up shaft as a driving source for the take-up is very commonly used. As shown in FIG. 8, this type of screen door includes a storage rod 53 that accommodates the winding shaft, and a holding rod 57 that leads out and stretches the net 56 from the storage rod 53. A lock mechanism 60 is provided between the flange 57 and the side frame 58, and the lock mechanism 60 holds the holding rod 57 on the side frame 58 against the winding force of the winding shaft spring. Normally, the lock mechanism 60 is provided at an operation position where the handle of the holding rod 57 is provided, specifically, at an approximately middle position of the length of the holding rod 57 in the vertical direction.

  By the way, the screen door is installed to ventilate while preventing the invasion of insects when the door sliding door is opened, so naturally it receives the wind pressure from the outside directly, and this wind pressure Is strengthened to some extent, the central portion of the net 56 swells, and accordingly, a tensile force from the net 56 acts on the holding rod 57. In this case, there is no problem because the central portion of the holding rod 57 is held by the side frame 58 by the lock mechanism 60, but at the upper and lower portions of the holding rod 57, the holding rod 57 is attached to the net 56 side by the tensile force. And the upper and lower ends are deformed so that the gap S is formed between the side frame 58 and the holding rod 57, and not only the insect-proof property is impaired, but also the appearance is unstable. become.

Such a problem is that the holding rod 57 is fixed at the position of the storage rod 53, the storage rod having a winding shaft is moved to open and close the net 56, and the side frame 58 is held by the lock mechanism. In this case, even if the degree of deformation is small, it occurs similarly.
In order to improve this phenomenon, it is conceivable to take measures such as deepening the concave portion of the side frame 58 into which the movable rod fits to conceal the gap S, or increasing the strength of bending by finding the moving rod. However, in any case, the ventilation area by the net is narrowed, and at the same time, a feeling of pressure occurs in the design, which is not preferable.

  The present invention has been made in order to solve the above-mentioned problems, and the problem to be solved is that a relatively strong wind pressure can be applied without increasing the finding of the side frame or the moving kite to hide the above-described gap. An object of the present invention is to provide a laterally retractable screen door provided with a locking means that does not deform the heel even when received.

In order to solve the above problems, the horizontally retractable storage type screen door of the present invention uses a spring housed in a winding shaft in a storage basket as a driving source for winding, winds the net around the winding shaft, and Attach a holding rod to hold it, fix either one of the storage rod or holding rod as a fixed rod to one side of the building opening, and move the other as a movable rod in a direction to contact or separate from the fixed rod Thus, in a screen door in which the net is stretched / stored by horizontal pulling, when the net is stretched, a plurality of lock mechanisms for joining between the movable rod and the side frame facing the fixed rod are provided, The locking mechanism is discretely arranged along the length direction of the movable rod and the side frame, and the locking mechanism is provided in one of the movable frame and the side frame facing the fixed rod. Place the slide board in the other slide groove on the hole edge of The hook part of the hook member inserted slidably is provided, and the hook part is provided with an inclined part pushed up by contact with the hole edge of the engagement hole. The hook members, which are to be engaged with the hole edges, are slidably fitted into the slide grooves in the plurality of locking mechanisms, and have the same structure. The hook members are connected to each other by a connecting member made of a metal wire. , All the lock mechanisms can be interlocked and unlocked by operating one lock mechanism.

In the horizontal retractable type screen door of the present invention, the storage rod storing the net wound on the winding shaft is a fixed rod, the holding rod holding the tip of the net is a movable rod, or the above The storage rod storing the net wound on the winding shaft can be used as a movable rod, and the holding rod holding the tip of the net can be used as a fixed rod.
In a preferred embodiment of the present invention, the plurality of lock mechanisms include a first lock mechanism provided at a substantially central portion in the length direction of the side frame and the movable rod, and a second lock provided at the upper part thereof. And a third lock mechanism provided in the lower part of the mechanism.

  According to the above-described horizontal retractable screen door, a plurality of lock mechanisms for joining the movable rod and the side frame facing the fixed rod are provided, and the plurality of lock mechanisms are discrete along the length direction of the movable rod. In addition, the plurality of locking mechanisms are connected to each other by a connecting member so that all the locking mechanisms can be unlocked by operating one locking mechanism. Even if it is not increased, the wrinkles are not deformed by wind pressure or the like.

  According to the above-described present invention, it is possible to obtain a horizontally retractable retractable screen door that does not deform even when subjected to relatively strong wind pressure without increasing the sight of the heel to be moved for opening and closing. It is possible to prevent the insects and the like from invading due to the deformation between the side frames and the wings, and the design is excellent.

The horizontally retractable screen door according to the present invention will be described in detail based on an embodiment shown in the drawings.
1 to 5 show a first embodiment of a horizontally retractable screen door according to the present invention, and the horizontally retractable screen door 1 of this first embodiment is wound up as shown in FIGS. The spring 5 accommodated in the shaft 4 is used as a winding drive source, the net 6 is wound around the winding shaft 4, and the storage rod 3 accommodating the winding shaft 4 is used as a fixed rod, which is fixed to the building opening. It can be used as one side frame of the screen door frame 2 to be used, and a holding rod 7 for holding it can be attached to the tip of the net 6, and the net 6 can be stretched and stored horizontally by using the holding rod 7 as a movable rod. In this way, locking means described later is provided between the holding rod 7 and the side frame 8 of the screen door frame 2 facing the storage rod 3.

The screen door frame 2 connects one side frame constituted by the storage basket (fixed basket) 3 described above and the side frame 8 opposed thereto by an upper horizontal frame 11 and a lower horizontal frame 12. And is fixed to the building opening by appropriate means. The holding rod 7 and the net 6 are guided by the horizontal frames 11 and 12 so that the net 6 can be extended and stored in a horizontal manner for opening and closing the net 6.
In addition, the roller 14 supported by the upper end of the holding rod 7 so as to be able to roll freely rolls on the guide surface 11a provided on the upper horizontal frame 11 so that the holding rod 7 can be smoothly moved and operated. is there. Further, the guide members 12a erected on the front and rear of the lower horizontal frame 12 are formed of a flexible elastic material such as rubber or synthetic resin so as to prevent whirling during walking.

  The side frame 8 is for fixing a part of the holding rod 7 to the side frame 8 when the holding rod 7 is operated and the net 6 is extended, and is shown in detail in FIG. As shown, the side frame 8 includes two parallel side walls 21, two projecting wall portions 22 projecting from an intermediate portion of the inner surface of the side wall 21 so as to face each other, and the projecting wall portions 22. The connecting wall 23 is connected to each other, and a slide groove 24 is formed between the projecting wall portion 22 and the connecting wall 23, and has a substantially U-shaped cross-sectional shape as a whole.

  As can be seen from FIG. 1, the locking means for holding the holding rod 7 and the side frame 8 in a joined state when the net 6 is extended is provided in the length direction of the holding rod 7 and the side frame 8. In the example shown in the figure, the first lock mechanism 30A provided at the substantially central portion in the length direction of the side frame 8 and the first lock mechanism 30A provided at the upper part are provided. The second locking mechanism 30B and a third locking mechanism 30C provided in the lower part thereof.

The plurality of lock mechanisms 30A, 30B, and 30C are configured such that the other lock mechanisms 30B and 30C can be unlocked in conjunction with the operation of the first lock mechanism 30A. First, the configuration of the first lock mechanism 30A will be described.
The lock mechanism 30A includes a hook member 31A that engages with an engagement hole 35A provided in the holding rod 7, and an operation member 40 that operates the hook member 31A. The hook member 31 </ b> A has a hook portion 33 standing at the center of the slide substrate 32, and the slide substrate 32 is slidably fitted into the slide groove 24 of the holding rod 7. The hook portion 33 has an inclined portion 33b that is inclined toward the engaging flange portion 33a that engages with the engaging hole 35A. Accordingly, when the holding rod 7 approaches the side frame 8 and the hole edge of the engagement hole 35A provided on the holding frame 7 comes into contact with the inclined portion 33b, the hook member 31A is pushed up by the hole edge, and then the engagement rod The portion 33a is locked to the hole edge of the engagement hole 35A by its own weight.
Further, a connecting portion 34 that is connected to the upper and lower lock mechanisms 30B and 30C for interlocking is attached to the upper and lower edges of the slide substrate 32, respectively.

  On the other hand, the operation member 40 has a through hole 42 for projecting the hook portion 33 at the center of the main body portion 41, and the main body portion 41 is fixed to the surface side of the slide substrate 32 by engagement of a claw. Thus, on both sides of the main body 41, a pair of operation portions 43 led out through the cutout portions 26 of the side walls 21 are connected so as to be positioned outside the two side walls 21 of the side frame 8. . Accordingly, by moving any one of the operation portions 43 upward, the engagement of the engagement flange portion 33a of the hook portion 33 with respect to the engagement hole 35A can be released.

  The second lock mechanism 30B is provided at the upper part of the first lock mechanism 30A, and the third lock mechanism 30C is provided at the lower part thereof. In these lock mechanisms 30B and 30C, the first lock mechanism 30B is provided. Using the hook members 31B and 31C having the same structure as the hook member 31A in the mechanism 30A, each slide substrate 32 is slidably fitted into the slide groove 24 of the side frame 8, and is erected at the center of each slide substrate 32. The hook part 33 is engaged with the hole edges of the engagement holes 35B and 35C provided at corresponding positions in the holding rod 7. The upper and lower connecting portions 34 in the hook member 31A of the first lock mechanism 30A are respectively connected to the hook member 31B constituting the second lock mechanism 30B and the hook member 31C constituting the third lock mechanism. The part 34 and the connecting member 45 made of a metal wire are connected to each other.

  Accordingly, the hook members 31B and 31C are held at predetermined positions in the slide groove 24, and are integrated with the hook member 31A in the first lock mechanism 30A, and are operated in conjunction with the operation of the hook member 23A. That is, all the lock mechanisms can be interlocked and unlocked by operating one lock mechanism.

The horizontal-drawing type storage screen door having the above configuration is installed in the building opening in the state shown in FIG. 1. When the net 6 is pulled out by the holding rod 7 and the holding rod 7 is pressed against the side frame 8, The three lock mechanisms 30A to 30C are respectively engaged, and the net 6 is held in the stretched state.
In this state, the net 6 is not wound around the winding shaft 4 more than necessary, and even if an extra net is wound, the net is wound by wind acting on the net 6 or the like. In order not to be pulled out from the take-up shaft 4, consideration such as fixing the take-up shaft 4 with a stopper is desired.
Even if a wind pressure acts on the net 6 and a force that causes the net 6 to inflate is exerted, the holding rod 7 is locked to the side frame 8 at the central portion and the upper and lower three locations. The holding rod 7 is not deformed, so that there is no gap between the side frame 8 and the holding rod 7 so that insects do not enter and the appearance is not impaired.

  Further, when the net 6 is stored in the storage basket 3, the operation portion 43 in the first lock mechanism 30A may be slightly moved upward, thereby causing the hook member 31A in the first lock mechanism 30A to move. In conjunction with this, the hook members 31B and 31C in the second and third lock mechanisms 30B and 30C are also disengaged from the holding rod 7, so that the net 6 is automatically wound by the urging force of the spring 5.

  6 and 7 show a second embodiment of the present invention. In the said 1st Example, the storage basket 3 which accommodated the winding shaft 4 is used as a fixed pole, it is used as one side frame of the screen door frame 2 fixed to a building opening part, A holding rod 7 is attached to hold it, and the holding rod 7 is used as a movable rod so that the net 6 can be stretched and accommodated by lateral pulling. In this second embodiment, the accommodation accommodating the winding shaft 4 is accommodated. One side frame of the screen door frame 2 with the rod 3 as a movable rod, which can be moved laterally so that the net can be expanded and stored, and the holding rod 7 attached to the tip of the net 6 as a fixed rod. It is used as Therefore, the same locking means as in the first embodiment is provided between the storage basket 3 which is a movable fence and the side frame 8 of the screen door frame 2.

The second embodiment is similar to the first embodiment in that the spring 5 accommodated in the winding shaft 4 is used as a winding driving source and the net 6 is wound around the winding shaft 4 and the structure of the lock mechanism. Also, the operation of the second embodiment is the same as that of the first embodiment except that the storage rod 3 is a movable rod.
Since other configurations are the same as those of the first embodiment, the same or corresponding parts are denoted by the same reference numerals, and description thereof is omitted.

Although preferred embodiments of the present invention have been described above, the present invention is not limited to these embodiments, and various design modifications can be made without departing from the scope of the claims.
For example, in the lock mechanism, hook members 31A to 31C are provided in the side frame 8 of the screen door frame 2 and the engagement holes 35A to 35C are provided in the movable rod, but the hook members 31A to 31C are reversed in this relationship. Can be provided in the movable rod, and the engagement holes 35 </ b> A to 35 </ b> C can be provided in the side frame 8.
Further, the configuration of the locking mechanism is not limited by the above embodiment.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front sectional view of a horizontally retractable screen door according to a first embodiment of the present invention. It is a plane sectional view of the above-mentioned 1st example. FIG. 3 is a left sectional view of the first embodiment. It is right side sectional drawing which shows the structure of the side frame of the said 1st Example. It is a partial expansion perspective view of the 1st locking mechanism in the said 1st Example. It is front sectional drawing of the horizontal pulling accommodation type | mold screen door of 2nd Example of this invention. It is plane sectional drawing of the said 2nd Example. It is a front view which shows typically the structure of the conventional horizontal drawer accommodation type | mold screen door.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Horizontal pulling type | mold screen door 2 Screen door frame 3 Storage rod 4 Winding shaft 5 Spring 6 Net 7 Holding rod 8 Side frame 30A-30C Lock mechanism 31A-31C Hook member 35A-35C Engagement hole 45 Connection member

Claims (4)

Using a spring housed in a winding shaft in the storage rod as a winding drive source, a net is wound around the winding shaft, and a holding rod for holding it is attached to the tip of the net. In a screen door in which one side is fixed to one side of a building opening as a fixed rod and the other is movable as a movable rod in a direction that can be moved toward and away from the fixed rod, so that the net can be extended and stored by horizontal pulling. ,
When the net is stretched, a plurality of lock mechanisms for joining between the movable rod and the side frame facing the fixed rod are provided, and the plurality of lock mechanisms are discretely distributed along the length direction of the movable rod and the side frame. Arranged in
A hook member in which the slide board is inserted into the slide groove of the other slide groove so as to be slidable in the vertical direction at the edge of the engagement hole provided on one of the movable frame joined to each other and the side frame facing the fixed rod. The hook portion is configured to be engaged, and the hook portion is provided with an inclined portion that is pushed up by contact with the hole edge of the engagement hole, thereby engaging the hole edge with its own weight.
The hook members slidably inserted into the slide grooves in the plurality of lock mechanisms have the same structure, and the hook members are connected to each other by a connecting member made of a metal wire. The lock mechanism can be unlocked in conjunction with
Horizontally retractable screen door characterized by that. The storage rod that stores the net wound on the winding shaft is a fixed rod, and the holding rod that holds the tip of the net is a movable rod.
The horizontal-drawing storage type screen door according to claim 1, wherein: A storage rod that stores the net wound on the winding shaft is a movable rod, and a holding rod that holds the tip of the net is a fixed rod.
The horizontal-drawing storage type screen door according to claim 1, wherein: The plurality of locking mechanisms include a first locking mechanism provided at a substantially central portion in the length direction of the side frame and the movable rod, a second locking mechanism provided at the upper part, and a third locking mechanism provided at the lower part. Consisting of a locking mechanism,
4. A horizontally retractable screen door according to any one of claims 1 to 3.

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