JP2722320B2 - Folding screen - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a foldable screen door which opens and closes by expanding and contracting a net in an accordion style, and more particularly to a foldable screen door which is used by directly attaching to an opening of a building. .

[0002]

2. Description of the Related Art Foldable screen doors in which a net which can be expanded and contracted in an accordion style by applying pleats to a screen frame and which can be opened and closed by expanding and contracting the net in the lateral direction are well known. By the way. When such a foldable screen is applied to a screen that is directly attached to a wooden frame or the like in which the inner surface of the frame at the opening of the building has a flat shape, an upper frame member and a lower frame that form the screen frame. It is necessary to guide the upper and lower ends of the net and the upper and lower ends of the operation frame attached to the tip of the net in the member.

[0003] However, the size of the opening of the building as described above varies, and it is necessary to adjust the size of the screen frame according to the size of each opening.
Therefore, it is necessary to smoothly guide the upper and lower ends of the operation frame by the upper and lower frame members despite slight fluctuations for adjusting the height of the screen door frame. On the other hand, especially when the height of the lower frame member is increased for guiding the operation frame or the net, or for some other reason,
There is a risk that a person passing there will be tripped, which requires that the lower frame member be as low as possible. Therefore, the guide wall for preventing the net and the operation frame from separating from the lower frame member is also made as low as possible.

In order to smoothly guide the upper and lower ends of the operation frame by the upper and lower frame members of the screen frame even if the height of the screen frame slightly fluctuates, the operation frame is vertically moved by the screen frame. If it is necessary to guide with some margin in the direction, and if it is necessary to make the guide wall to prevent the net and operation frame from separating from the lower frame member as low as possible, the operation of opening and closing the operation frame At times, there is a high possibility that the lower end is separated from the guide groove of the lower frame member beyond the guide wall.

[0005]

As described above, the technical problem of the present invention is that the upper and lower ends of the accordion type net and the operation frame attached to the end thereof are guided by the guide grooves of the upper and lower frame members. In a folding screen door for directly attaching to the opening of a building in which the net is opened and closed by an operation frame, the operation frame is guided with a margin in the vertical direction by a screen frame, and a lower end of the net and the operation frame is provided. An object of the present invention is to provide a folding screen door which can prevent the lower end of the operation frame from being detached from the guide groove of the lower frame member even if the guide wall of the lower frame member for guiding the door is made as low as possible.

Another technical object of the present invention is to prevent the operation frame from being detached from the guide groove of the lower frame member by easily adjusting even after the folding screen door is constructed. Is to get Another technical problem of the present invention is to regulate the vertical movement of an operation frame in a folding screen door of a type in which a frame inner surface such as a wooden frame of a building opening is directly attached to a flat portion. Accordingly, it is an object of the present invention to provide a folding screen door in which a guide wall provided on a lower frame member and guiding a lower end of a net and an operation frame can be made as low as possible to prevent tripping.

[0007]

In order to solve the above-mentioned problems, a folding screen door according to the present invention is provided with a pleat-type accordion-type telescopic net that can be expanded and contracted into an upper frame member, a lower frame member and left and right side members. The opening and closing operation is mounted in a screen frame made of a frame member so that it can be opened and closed horizontally, and the upper and lower ends of the operation frame for opening and closing operation attached to the net and its end are guided by the guide grooves of the upper and lower frame members. In the folding screen door for directly attaching to the opening of the building that opens and closes the net, the distance between the upper frame member and the lower frame member is set within a range in which the operation frame can be guided by the guide grooves of the upper and lower frame members. A stopper is provided on the upper part of the operation frame so as to be adjustable, and a stopper is provided on the upper part of the operation frame so as to be able to adjust the vertical position of the operation frame to prevent the operation frame from moving upward.

[0008]

In the above screen door, the distance between the upper frame member and the lower frame member can be adjusted within a range in which the operation frame can be guided by the guide grooves of the upper and lower frame members. It is guided with some margin in the direction, within which the screen frame can be adapted to the dimensions of the building opening. In addition, a stopper is provided on the upper part of the operation frame so as to be able to adjust the vertical position of the operation frame so as to be able to regulate the vertical movement of the operation frame. Even if the guide wall of the lower frame member that guides the lower end of the operation frame is lowered, the lower end of the operation frame can be prevented from coming off the guide groove of the lower frame member.
In addition, it is possible to minimize the height of the guide wall of the lower frame member in order to prevent the tripping.

[0009]

1 to 5 show an embodiment of a folding screen door according to the present invention. As can be seen from FIGS. 1 and 4, the screen door is of a horizontal opening type that can be attached to an opening of a building, and a net 2 that can be opened and closed by an operation frame 3 is attached to a rectangular screen door frame 1. Has been established. The screen door frame 1 is formed by connecting the upper frame member 1a and the lower frame member 1b and the left and right side frame members 1c and 1d to each other with screws, and the inner surface of the frame such as a wooden frame in the opening of the building is flat. It is used by directly fixing it to a part having a shape.

The net 2 is constructed in such a manner that a large number of pleats are provided in a zigzag manner so as to be able to expand and contract in an accordion manner. Side edge is screen door frame 1
The operation frame 3 is fixed to the inside of the concave portion of one of the side frame members 1c, and to the other side end. 5, the upper and lower ends of the net 2 can be fitted into the guide grooves 4 and 5 of the upper frame member 1a and the lower frame member 1b of the screen frame 1, respectively.

The operation frame 3 has a net receiving portion 3a in the form of a groove in a mounting portion of the net 2.
When the screen is fully opened, the folded net 2
Is accommodated between the net accommodating portion 3a of the operation frame 3 and the side frame member 1c. The operation frame 3 is manually operated, and as shown in FIG.
The opening and closing movement is guided by the guide grooves 4 and 5 of b, and a pair of rolling wheels 6 and 6 are provided at the lower end of the operation frame 3 although not clearly shown. Further, the lower frame member 1b is provided with guide walls 7a and 7b for guiding the lower end of the net 2 and the lower end of the operation frame 3 along both front and rear sides thereof. The guide surfaces 7c are formed so that a pair of rolling wheels 6 roll on these guide surfaces 7c.

On the other hand, inside the upper frame member 1a, as clearly shown in FIGS. 2 and 3, an inner guide member 8 which is guided up and down along the inner surface of the upper frame member 1a is fitted. A protrusion 9 protruding from the upper end of the operation frame 3 is fitted into a slit 8a provided in the inner guide member 8 to guide the sliding. The inner guide member 8 is simply fitted in the upper frame member 1a. Therefore, the inner guide member 8 is placed on the operation frame 3 and is movable up and down in the upper frame member 1a. The position may be fixed to the member 1a with a screw or the like so as to be adjustable.

With this configuration, the length of the side frame member 1c is adjusted according to the vertical dimension of the building opening (the side frame member 1c).
2 or the connection position with the upper and lower frame members), the upper end of the operation frame 3 enters the upper frame member 1a deeply as shown in FIG. 2 or enters shallowly as shown in FIG. It does not affect the function of the screen door at all. However, the distance between the upper frame member 1a and the lower frame member 1b can be adjusted as long as the operation frame 3 can be guided in the guide grooves 4 and 5 of the upper and lower frame members.

In order to prevent the net 2 from being bent by the action of wind pressure or the like, as shown in FIG. 5, the upper end and the lower end of the net 2 are directly engaged with a part of the net 2, respectively. A plurality of retainers 10 and 20 are engaged and fixed at appropriate intervals, and these retainers 10 and 20 are attached to the upper frame member 1 of the screen frame 1.
a and slidably engage the guide engagement grooves provided in the lower frame member 1b, whereby the net 2 is held in an appropriate tension state.

The retainer 1 attached to the upper part of the net 2
0 is an engagement fastening portion 11 for engaging the net 2;
Slit 8a provided in inner guide member 8 in upper frame member 1a
And a leg 12 for engaging the upper part. Similar to the engagement fastening portion 21 of the retainer 20, the engagement fastening portion 11 is provided with a number of flexible projections having enlarged heads on the fastening pieces on the substrate, and the same fastening is performed. The opposing substrate provided with the pieces is opposed to the substrate with the upper portion of the net 2 interposed therebetween, and pressed against each other, so that the projections are engaged with each other through the mesh of the net 2. . Also,
The leg portion 12 extends upward from the engagement fastening portion 11, and engages a disk-shaped sliding piece provided at the tip thereof with the slit 8a.

On the other hand, the retainer 20 has an engagement fastening portion 21 for engaging with the lower portion of the net 2 and a leg portion 22 for engaging with the lower frame member 1b. Similar to the engagement fastening portion 11 of the retainer 10, the engagement fastening portion 21 holds the net 2 between substrates having fastening pieces so that the projections are mutually locked through the mesh of the net 2. Thus, the retainer 20 is configured to be able to engage with and hold the lower portion of the net 2. The leg portion 22 of the retainer 20 has a T-shaped sliding portion attached to the tip of the leg portion 22 so as to protrude laterally from the substrate.

The lower frame member 1b is connected to the guide walls 7a,
A guide engaging groove 7d formed of 7b is arranged in the guide groove 5 for guiding the lower end of the net 2 and the lower end of the operation frame 3, and guides the sliding piece of the leg 22 of the retainer 20 in the engaged state. The guide engaging groove 7d is formed by a C-shaped groove frame portion 7e together with the guide wall 7b so as to guide the sliding portion of the leg portion 22 while holding the sliding portion. The groove shape of the guide engagement groove 7d is such that it engages with and holds both ends of the sliding portion of the leg portion 22 having a slight length. Is prevented from turning upward.

The guide engaging groove 7d is located at a position shifted in the front-rear direction from the lower end of the net 2 in the lower frame member 1b, and is opened laterally toward the net 2.
As described above, since the guide engagement groove 7d is not directly under the net 2, the height of the lower frame member 1b can be sufficiently reduced.

As described above, when the operation frame 3 is guided by the screen door frame 1 with some margin in the vertical direction, even if the height of the screen door frame 1 slightly fluctuates, the upper and lower frame members 1 of the screen door frame 1 are changed.
Guides at the upper and lower ends of the operation frame 3 by a and 1b are smoothly performed. However, the guide wall 7 for preventing the net 2 and the operation frame 3 from separating from the lower frame member 1b.
If it is necessary to lower the heights a and 7b as much as possible, the lower end of the operation frame 3 is disengaged from the guide groove 5 of the lower frame member 1b over the guide wall when the operation frame 3 is opened and closed due to the margin of vertical movement of the operation frame 3. Is more likely to do so.

In order to prevent the operation frame 3 from being detached from the guide groove 5 of the lower frame member 1b, a stopper 30 is provided in the vertical groove 3b in the upper part of the operation frame 3 as a separation preventing means. Mounted so that the vertical position can be adjusted. The stopper 30 has an abutting portion 31 for abutting against the edge of the upper frame member 1a to suppress the upward movement of the operation frame 3, and a long hole for mounting the stopper 30 so that the vertical position can be adjusted by a screw 33. Have

In the screen door having the above configuration, the upper frame member 1a and the lower frame member 1 are provided within a range where the operation frame 3 can be guided by the guide grooves 4 and 5 of the upper and lower frame members 1a and 1b.
Since the distance between the door and the b is adjustable, the operation frame 3 is guided by the screen frame 1 in the vertical direction with some margin, and the screen frame 1 can be adapted to the size of the building opening within that range. .

A stopper 30 is mounted on the upper part of the operation frame 3 so as to adjust the vertical position of the operation frame 3 by abutting against the upper frame member 1a to suppress the upward movement of the operation frame 3 so that the vertical movement of the operation frame 3 can be restricted. Therefore, even if the guide wall of the lower frame member 1b for guiding the lower end of the net 2 and the operation frame 3 is lowered, the lower end of the operation frame 3 is prevented from coming off the guide groove 5 of the lower frame member 1b. it can. In addition, the height of the guide walls 7a, 7b of the lower frame member 1b can be reduced to the utmost in order to prevent stumbling.

[0023]

As described above in detail, according to the folding screen door of the present invention, the accordion type net and the upper and lower ends of the operation frame attached to the end thereof are guided by the guide grooves of the upper and lower frame members. In a foldable screen door for directly attaching to the opening of a building that opens and closes the net by the operation frame, the net and the lower end of the operation frame are guided by the screen frame with some allowance in the vertical direction by the screen frame. When the guide wall of the lower frame member to be guided is made as low as possible, it is possible to prevent the lower end of the operation frame from coming off the guide groove of the lower frame member.

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment of a folding screen door according to the present invention.

FIG. 2 is a vertical sectional view of a main part of the embodiment.

FIG. 3 is a perspective view of the main part.

FIG. 4 is a horizontal sectional view of the same.

FIG. 5 is a longitudinal sectional view at a different position from FIG. 2 with respect to an adjustment state of a screen frame.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Screen frame 1a Upper frame member 1b Lower frame member 1c, 1d Side frame member 2 Net 3 Operation frame 4,5 Guide groove 30 Stopper

Claims (1)

(57) [Claims] A pleated net that can be expanded and contracted in an accordion manner is mounted in a screen frame consisting of an upper frame member, a lower frame member and left and right side frame members so as to be openable and closable in a laterally open manner. And a folding screen door for directly attaching to an opening of a building in which the upper and lower ends of an operation frame for opening and closing operation attached to the end thereof are guided by guide grooves of upper and lower frame members, and the operation frame opens and closes the net. In the above, the distance between the upper frame member and the lower frame member can be adjusted within a range where the operation frame can be guided by the guide grooves of the upper and lower frame members. A folding screen door, which is provided with a stopper for suppressing the upward movement of the operation frame so that the vertical position can be adjusted.