JP3463836B2 - Wire tension adjusting mechanism and wire tension adjusting method of screen door device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a screen door device assembled in an opening of a building such as a general house or an office building, and more particularly to a wire tension adjusting mechanism and a wire tension adjusting method for a screen door device having a wire tension mechanism.

[0002]

2. Description of the Related Art A conventional screen door device is, for example, as shown in FIG. 6, a sash frame 1 which is an opening frame provided in an opening 1A such as a window of a building, that is, an upper frame 2, a lower frame 3 and a left frame. It is known that the screen door device main body 10 is assembled to the sash frame 1 framed by the vertical frame 4 and the right vertical frame 5. The screen door device body 10 includes upper and lower guide members (frames) 2A and 3A attached to the upper and lower frames 2 and 3, and the left and right vertical frames 4 and 5.
First fixing member 11 and second fixing member, respectively
Fixed member 12 and first movable member 13 and second movable member 14 provided between these fixed members 11 and 12.
And a pleated mesh member 15 mounted between the movable members 13 and 14.

In such a screen door device main body 10, first and second movable members 13 and 14 are movably attached in an opening / closing direction X along a horizontal direction, and the first or second movable member 13 is provided. The mesh member 15 folds and opens and closes in an expandable and contractible manner according to the opening and closing of each of the.

The screen door device body 10 has a first
Also, a wire tension mechanism 30 is provided to prevent the second movable members 13 and 14 from swinging when moving in the opening / closing direction X. This wire tension mechanism 30 is composed of four wires 31, 32, 33, 34, and each wire 3
1, 32, 33 and 34 are laid between the first fixing member 11 and the second fixing member 12 in a substantially Z shape or an inverted Z shape. That is, the wire 31 has one end fixed to the upper portion of the first fixing member 11 and the other end fixed to the lower portion of the second fixing member 12 via the rollers 31a and 31b. The wire 32 has one end fixed to the lower portion of the first fixing member 11 and the other end fixed to the upper portion of the second fixing member 12 via the rollers 32a and 32b. The wire 33 has one end fixed to the upper portion of the fixing member 11 and the other end fixed to the roller 33.
It is fixed F to the lower part of the fixing member 12 via a and 33b. The wire 34 has one end fixed to the lower part of the first fixing member 11 and the other end fixed to the roller 34.
It is fixed to the upper part of the second fixing member 12 via a and 34b.
Has been done.

[0005]

However, in the conventional screen door device body 10 described above, the wire tension mechanism 3 is used.
Each end of each wire 31 to 34 of 0 has both fixing members 11,
Since the structure is fixed to each of 12 and the tension is adjusted at each fixing point, there are the following problems. First, the work of adjusting the tension of each wire has been complicated. That is, when adjusting the tension with respect to the first movable member 13, it is necessary to adjust the tension at each of the fixed points A, B, C, and D, while adjusting the tension with respect to the second element. When adjusting the tension on the movable member 14, it was necessary to adjust the tension while fixing the tension at each of the fixed points E, F, G and H. In particular, when the width of the opening is wide, the operator who adjusts the tension has to move back and forth between the first and second fixing members 11 and 12, and there is a drawback that the working efficiency is poor. In addition, when the opening is high and the worker rides on a stepladder to perform the tension adjustment work,
When moving between the second fixing members 11 and 12 and when working on the upper and lower portions of the fixing members 11 and 12, it is necessary to get on and off the stepladder one by one, which is not only a drawback that work efficiency is poor, but also a stepladder. There was also the danger of falling or falling. Next, there was a problem that it was difficult to finely adjust the tension in each home. After the contractor once set the tension of each wire, it was difficult to perform fine adjustment work appropriately when finely adjusting the tension in each home according to the usage state.

[0006]

SUMMARY OF THE INVENTION Therefore, the present invention provides a screen door device equipped with a wire tension adjusting mechanism capable of easily performing a wire tension adjusting operation such as a wire width reducing operation corresponding to the opening width of an opening. With the goal. It is another object of the present invention to provide a screen door device equipped with a wire tension adjusting mechanism capable of intensively performing the wire tension adjusting work at one place and further performing the adjusting work at the operator's hand. Another object of the present invention is to provide a wire tension adjusting method and wire screen adjusting device having a wire tension adjusting mechanism, which has a simple structure and can perform a wire tension adjusting operation even in each home by a simple operation.

[0007]

In order to solve the above problems, the wire tension adjusting mechanism of the screen door device according to the present invention is
As described in claim 1, a wire tension mechanism is provided which movably raises a pair of movable members between upper and lower frames of an opening of a building, and a pleated shape which is expandable and contractable as the movable members move. In a screen door device in which the mesh member opens or closes, the wires in the first row and the wires in the second row are arranged at predetermined wiring positions in which wires for applying tension to the first movable member are arranged in two rows. A wire is provided with a first tension adjusting means for forming a loop on each wire and expanding or contracting each loop at the same time, and for applying a tension to each second movable member.
A feature is that a second tension adjusting means for forming a loop on each of the wires in the first row and the wires in the second row at a predetermined wiring position wired in the row and expanding or contracting each loop at the same time is provided. And

More specifically, as described in claim 2, the wire tension mechanism for the first movable member is composed of two wires, a first wire and a second wire, and the first wire is One end is fixed near the upper end of one side of the opening, the other end is passed from the upper part to the lower part of the first movable member, and extends toward the other side of the opening,
The second wire is fixed near the lower end of the other side portion, while the second wire is fixed at one end thereof near the lower end of the one side portion of the opening and the other end thereof is passed from the lower portion to the upper portion of the first movable member, The opening extends toward the other side of the opening, is fixed near the upper end of the other side, and is arranged in the vertical direction of the first movable member.
A first tension adjusting means for forming a loop in each of the wires in the first row and the wires in the second row, which are wired in the row, and simultaneously expanding or contracting the loop in each row is provided, and the wire tension to the second movable member is provided. The mechanism is composed of two wires, a third wire and a fourth wire, and the third wire has one end fixed near the upper end of one side of the opening and the other end of the second movable member. From top to bottom,
The opening extends toward the other side of the opening and is fixed near the lower end of the other side, while the fourth wire has one end fixed near the lower end of the one side of the opening and the other end The second movable member is passed from the lower portion to the upper portion, extends toward the other side portion of the opening, is fixed near the upper end of the other side portion, and is arranged in two rows in the vertical direction of the second movable member. It is characterized in that a loop is formed in each of the wires in the first row and the wires in the second row, and second tension adjusting means for simultaneously expanding or contracting the loops in each row is provided.

In each of the above inventions, as described in claim 3, the first tension adjusting means comprises a first engaging portion and a second engaging portion that engage with each loop, and Each engaging portion is arranged along the wiring of the wire, and
The second tension adjusting means is configured to be movable in the wiring direction, and the second tension adjusting means includes a third engaging portion and a fourth engaging portion that engage with each loop.
And each of the engaging portions is arranged along the wiring of the wire and configured to be movable in the wiring direction.

As described in claim 4, in the wire tension adjusting method for adjusting the wire tension of the wire tension mechanism by using the wire tension adjusting mechanism according to claim 1, the first tension adjusting means comprises: Simultaneously expanding the loops of each row of wires that apply tension to the first movable member to increase the tension of the wires, while simultaneously reducing the loops of each row to reduce the tension of the wires and The second tension adjusting means simultaneously expands the loops of each row of wires that apply tension to the second movable member to increase the tension of the wires, while simultaneously reducing the loops of each row to reduce the wire. It is characterized by weakening the tension of.

[0011]

According to the invention described in claim 1, when the respective loops of the wire for exerting the tension on the first movable member are simultaneously expanded by using the first tension adjusting means, the tension of the wire is strengthened. On the contrary, when each loop is reduced, the tension of the wire can be weakened. Also,
The tension of the wire can be increased when the respective loops of the wire that apply the tension to the second movable member are simultaneously expanded by using the second tension adjusting means, and conversely, when the respective loops are contracted, The tension of the wire can be weakened. Therefore, for each movable member, the tension of the wire for applying the tension can be simultaneously and evenly adjusted, and by providing each tension adjusting means at a position where the wire tension adjustment work can be easily performed, The tension adjustment work can be easily performed by a worker in a single step of expanding or contracting each loop of the wire.

According to the second aspect of the invention, in addition to the above operation, loops are formed in the first row wire and the second row wire which are wired in two rows in the vertical direction of each movable member. Since the first movable member is provided with the first tension adjusting means and the second movable member is provided with the second tension adjusting means, the operator can easily perform the tension adjusting work. You can

According to the invention described in claim 3,
The first tension adjusting means includes a first engaging portion and a second engaging portion that engage with each loop, while the second tension adjusting means includes a first engaging portion and a second engaging portion that engage with each loop. Since it is composed of the third engaging portion and the fourth engaging portion, each tension adjusting means can be made very easily. Further, since each of the engaging portions is configured to be movable in the wiring direction, expansion and contraction of each loop can be performed by moving the engaging portions, which is an extremely simple configuration.

According to the invention described in claim 4,
In the first movable member or the second movable member, the tension adjustment of the wire for applying the tension can be performed simultaneously and evenly, and the first tension adjustment is performed at a position where the wire tension adjustment work can be easily performed. By providing the means or the second tension adjusting means, the work of adjusting the tension of the wire can be easily performed by the operator in a single step.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A wire tension adjusting mechanism and a wire tension adjusting method for a screen door device according to a first embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is a schematic front view of a screen door device using the wire tension adjusting mechanism according to the first embodiment,
FIG. 2 is a perspective view of a main part of a first movable member showing details of the wire tension adjusting mechanism, and FIG. 3 is a schematic front view showing a modification of a screen door device using the wire tension adjusting mechanism according to the first embodiment. Is.

As shown in FIG. 1, the screen door apparatus according to the first embodiment is a wire tension mechanism for movably raising a pair of movable members 13A and 13B between upper and lower frames 2 and 3 of an opening 1A of a building. 30A, the pleated mesh member 15 which is expandable and contractible is opened or closed with the movement of the first movable member 13A in the left-right direction X, or the second movable member 13B is moved in the left-right direction X. The mesh member 15 opens or closes so that the entire surface of the opening 1A can be opened or covered.

In such a screen door device, the wire tension adjusting mechanism according to the first embodiment has two wire tension mechanisms 30A for applying tension to the first movable member 13A, respectively, as described later. The wires 31A and 32A are wired in two rows in the vertical direction.
The first loop 40A is formed on the first wire 31A at a predetermined wiring position of the movable member 13A of the second wire 3A.
A second loop 41A is made in 2A, and each loop 40A, 41
First tension adjusting means 50A for simultaneously expanding or contracting A
Is provided. In addition, in the wire tension adjusting mechanism according to the first embodiment, the two wires 31B and 32B of the wire tension mechanism 30A that applies tension to the second movable member 13B are wired in two rows in the vertical direction. The first loop 40B is formed on the third wire 31B and the second loop 41B is formed on the fourth wire 32B at a predetermined wiring position of the second movable member 13B.
A second tension adjusting means 50B for simultaneously expanding or contracting B and 41B is provided.

In the wire tension adjusting mechanism having the above construction, each loop 40 is operated by operating the first tension adjusting means 50A.
When A and 41A are expanded at the same time, the first wire 31A
The tension of the second wire 32A and the tension of the second wire 32A simultaneously and evenly increase. Conversely, when the loops 40A and 41A are simultaneously reduced, the tensions of the first wire 31A and the second wire 32A simultaneously and equally weaken. It is like this. On the other hand, by operating the second tension adjusting means 50B,
When the loops 40B and 41B are simultaneously expanded, the tensions of the third wire 31B and the second wire 32B simultaneously,
In addition, when the loops 40B and 41B are contracted at the same time, the tensions of the third wire 31B and the fourth wire 32B are simultaneously and equally weakened. Therefore, for each movable member 13A, 13B, the wires 31A, 32A, 31 for exerting tension are applied.
By adjusting the tension of B and 32B at the same time and evenly, and by providing the tension adjusting means 50A and 50B at locations where it is easy to adjust the tension of the wire,
The work of adjusting the tension of the wire can be easily performed by the operator in a single step of expanding or contracting each loop of the wire.

As shown in FIG. 1, the first wire 31A has its one end 310a fixed E to the left end of the upper frame 2 which is near the upper end of one side of the opening 1A, and the first movable member 13A. The other end 310b is fixed F to the right end of the lower frame 3, which is near the lower end of the other side portion of the opening 1A, via. The second wire 32A has one end 320a fixed to the left end of the lower frame 3 which is near the lower end of one side of the opening 1A, and the other end 32 via the first movable member 13A.
0b is the upper frame 2 near the upper end of the other side of the opening 1A.
Fix H to the right end of. Then, the first wire 31A and the second wire 32A respectively correspond to the first movable member 1
3A is passed between the upper and lower parts, and is wired in two rows. The first wire 31A is first wired in the middle of the two-row wiring.
A loop 40A is provided, and a second loop 41A is provided on the second wire 32A.

As shown in FIG. 1, the third wire 31B is fixed at its one end 310c to the left end of the upper frame 2, which is near the upper end of one side of the opening 1A, so that the third wire 31B is movable in the second direction. The other end 320c is connected to the opening 1 via the member 13B.
It is fixed to the right end of the lower frame 3, which is near the lower end of the other side portion of A. In addition, the fourth wire 32B has one end 310 thereof.
d is fixed to the left end of the lower frame 3, which is near the lower end of one side of the opening 1A, and the other end 320d is connected to the upper end of the other side of the opening 1A via the second movable member 13B. It is fixed to the right end of the upper frame 2 which is the vicinity. Then, the third wire 3
The first wire 4B and the fourth wire 32B pass between the upper and lower parts of the second movable member 13B, respectively, and are arranged in two rows, and the third wire 31B is formed in the middle of the two-row wiring.
The third loop 40B is provided on the fourth wire 32B
A loop 41B is provided.

The loops 40A and 41A have wires 31A and 32, respectively, which are formed by expanding and contracting the loops.
The tension of A is added, and each loop 40
B and 41B are for expanding and contracting the loops respectively to increase or decrease the tension of the wires 31B and 32B, and each of them is composed of a single loop. Then, in a double state in which the first loop 40A and the second loop 41A overlap (see FIG. 2), the first tension adjusting means 50A.
To the third loop 40B and the fourth loop 41
The second tension adjusting means 50B is engaged with the second tension adjusting means 50B in a double state where the second tension adjusting means B and B overlap.

The first tension adjusting means 50A expands or contracts the first loop 40A and the second loop 41A at the same time, and includes a first engaging portion 51A and a second engaging portion 51A which engage with the respective loops 40A and 41A. Of the engaging portion 52A.
The second tension adjusting means 50B expands or contracts the third loop 40B and the fourth loop 41B at the same time, and the third engaging portion 5 that engages with each of the loops 40B and 41B.
1B and the fourth engaging portion 52B. Therefore, if the first engaging portion 51A or the second engaging portion 52A is moved away from each other, the first loop 40
A and the second loop 41A expand at the same time, and each wire 31
When the tensions of A and 32A are increased simultaneously and evenly, and conversely, the first engaging portion 51A or the second engaging portion 52A is moved so as to approach each other, the first loop 40
A and the second loop 41A shrink at the same time, and 3 for each wire
The tensions of 1A and 32A are weakened at the same time. In addition, the third engaging portion 51B or the fourth engaging portion 52B
, The third loop 40B and the fourth loop 41B are simultaneously expanded, and the tensions of 31B and 32B are simultaneously and evenly increased to each wire, and conversely, the third loop is closed. Joint part 51B or fourth engaging part 52B
By moving them so as to approach each other, the third loop 40B and the fourth loop 41B are simultaneously contracted, and the tensions of 31B and 32B are simultaneously and uniformly weakened to the respective wires.

The first engaging portion and the second engaging portion 51.
A and 52A are, as shown in FIG.
The hollow portion 16A adjacent to the A mesh member storage portion 14A is provided along the wiring of the wires 31A and 32A.
Specifically, for example, the bolt 51a (52a) and the nut 5
1b (52b) and a pulley 51c (52c). The pulley 51c (52c) has a structure rotatable with respect to its mounting bearing 51d (52d), and the movable member 130 is vertically moved. The sliding window 53 having a predetermined width provided on the above can be moved up and down. And the mounting bearing 51 of the pulley 51c (52c)
d (52d) through the sliding window 53 to the bolt 51a
(52a) and the nut 51b (52b) can be used to tighten or release the tightening. Therefore,
For example, the adjustment window 5 provided at a predetermined position of the movable member 130
4 (not shown), press the nut 51b (52b) with a wrench or the like to release the tightening, and bolt 51a (52b).
By sliding a) in the vertical direction, the tensions of the first wire 31A and the second wire 32A can be adjusted at the same time. The first engaging portion 51A may be fixed and only the second engaging portion 52A may be slidable, or conversely, only the first engaging portion 51A may be slidable. May be. Further, the sliding direction is not limited to the vertical direction, but may be a predetermined sliding direction depending on the arrangement of the first and second engaging portions 51A and 52A.

The third engaging portion and the fourth engaging portion 51
B and 52B are provided in a hollow portion 16B (not shown) adjacent to the mesh member storage portion 14B (not shown) of the second movable member 13B facing the mesh member storage portion 14A of the first movable member 13A. Except for the point that it is provided, it has the same configuration as the first engaging portion and the second engaging portions 51A and 52A, and detailed description of each configuration will be omitted.

If the tension adjusting means 50A, 50B configured as described above are provided below the movable members 13A, 13B, the respective wires 31 can be handled by the operator.
The tensions of A, 32A, 31B and 32B can be adjusted simultaneously and evenly. In the case of the first embodiment, the fixed position of each end of each wire 31A, 32A, 31B, 32B is provided in the upper and lower frames 2 and 3, but the opening 1A
It may be anywhere near the upper and lower ends of one side and the upper and lower ends of the other side, for example, fixed to the left and right vertical frames,
When attaching the fixing members to the left and right vertical frames, they may be fixed to the upper and lower portions of the fixing members.

A method of assembling the screen door device according to the first embodiment having the above-described structure will be described. First, the upper and lower frames 2, 3
While interposing the first and second movable members 13A and 13B respectively between them, the mesh member 15 is attached between the first movable member 13A and the second movable member 13B, and the wires 31A, 32A and 31B. , 32B are fixed at respective ends E, F, G, H, I, J, K, L, and the movable members 13A, 13B are erected at the initial position.

Regarding the method of using the wire tension adjusting mechanism of the screen door device assembled as described above, the second movable member 1
3B will be described by using the first movable member 13A as a representative. That is, by using the first tension adjusting means 50A, the loops 40A and 41A of the respective rows are simultaneously expanded or contracted, and the wires 31A and 32A of the wire tension mechanism 30A are adjusted according to the opening width of the opening 1A. Adjust tension. Specifically, first, the bolt 51 as the first engaging portion 51A.
The tightening of a and the bolt 52a as the second engaging portion 52A is released. Next, at the initial position of the movable member 13A, when the tension is small, the bolts 51a and 52a are moved up and down so as to move away from each other. As a result, each loop 40
A and 41A expand simultaneously, and each wire 31A and 32A
The tensions of are increased simultaneously and evenly. On the other hand, at the initial position of the movable member 13A, if the movable member 13A does not move smoothly because the tension is too strong, the bolt 51
Ascending and descending so that a and the bolt 52a may approach. As a result, the loops 40A and 41A are simultaneously reduced, and the tensions of the wires 31A and 32A are simultaneously and evenly reduced. Finally, tighten each bolt 51a, 52a again,
The optimum tension that enables the movable member 13A to move smoothly is set.

Therefore, according to the adjusting method of this embodiment, the wire 31 for applying the tension to the movable member 13A is used.
It is possible to adjust the tensions of A and 32A simultaneously and evenly, and the tension adjustment means 50A is provided at a position where the tension adjustment work of the wires 31A and 32A can be easily performed. At hand, and
It can be easily performed in a single process. In addition, in order to perform the tension adjustment work while confirming the standing state of the first movable member 13A, it is desirable to release the tightening of each bolt 51a and the bolt 52a as described above before performing the work.

In the above embodiment, the mesh member 15 is attached between the first movable member 13A and the second movable member 13B,
With the movement of the first movable member 13A in the left-right direction X, the expandable and contractible pleated mesh member 15 opens or closes,
Alternatively, the mesh member 15 opens or closes with the movement of the second movable member 13B.
As shown in, a first mesh member 15A and a second mesh member 15B are prepared, and the first mesh member 15A is attached between the left vertical frame 5A and the first movable member 13A, while the second mesh member 15A is attached. The member 15B may be attached between the right vertical frame 5B and the second movable member 13B. With such a configuration, the screen door device of the present invention can be attached to the opening portion 1A having a wide opening width.

Next, a second embodiment of the wire tension adjusting mechanism of the screen door device according to the present invention will be described with reference to FIG.
FIG. 4 is a front view showing the outline of the wire tension adjusting mechanism according to the second embodiment, and as shown in the figure, in the second embodiment, a pair of movable members 13C, 13D constitutes a screen door device. In common with the first embodiment, the wire tension mechanism for the pair of movable members 13C and 13D is different, and accordingly, the installation locations of the first and second tension adjusting means are different.

Referring to FIG. 4, the first movable member 13
Explaining the configuration of the wire tension mechanism for C, one end 310a of one wire 31C is fixed M to the upper part of the movable member 13C, and the other end 310b is fixed N to the lower part of the movable member 13C. Then, between each fixed M and N, the wire 31C extends from the upper part of the movable member 13C toward the upper part of the right vertical frame 5B, passes through the upper part to the lower part, and opens along the lower part of the opening 1A. It extends to the left side portion of the portion 1A, is folded back at the lower portion of the left side portion, and extends from the lower portion of the movable member 13C toward the upper portion to reach the intermediate fixed point P. Further, it extends from the intermediate fixed point P to the upper part of the movable member 13C, and the opening 1A
Extend toward the upper left part of the and fold back at its left end, toward the right vertical frame 5B, and pass from the upper part to the lower part,
The movable member 13C is fixed N along the lower portion of the opening 1A. Thus, the wire 31C
Are routed between the upper and lower portions of the right vertical frame 5B and are wired in two rows, and a first loop 40C and a fourth loop 41C are provided in the middle of the two-row wiring.

The first loop 40C and the second loop 41
The first tension adjusting means 50C that simultaneously expands and contracts C is provided on the right vertical frame 5B, and the first engaging portion 51C and the second engaging portion 51C that engage with the respective loops 40C and 41C.
And the engaging portion 52C. The specific configuration of each of the engaging portions 51C and 52C can be configured in the same manner as the first engaging portion 51A and the second engaging portion 52A according to the above-described first embodiment, and thus the details will be described. Detailed description is omitted.

One wire 31D (not shown) of the wire tension mechanism for the second movable member 13D
Is attached in the same manner as the wire 31C, so that the second tension adjusting means 50D can also be provided in the right vertical frame 5B. One wire 31D of the wire tension mechanism for the second movable member 13D is used.
The second tension adjusting means 50D can be provided in the left vertical frame 5A by wiring the two in two rows in the left vertical frame 5A.

Next, a third embodiment of the wire tension adjusting mechanism of the screen door device according to the present invention will be described with reference to FIG.
FIG. 5 is a front view showing the outline of the wire tension adjusting mechanism according to the third embodiment, and as shown in this figure, the pair of movable members 13E, 13F constitutes a screen door device in the third embodiment. In common with the first embodiment, the wire tension mechanism for the pair of movable members 13E and 13F is different, and accordingly, the installation locations of the first and second tension adjusting means are different.

Based on FIG. 5, the first movable member 13
Explaining the configuration of the wire tension mechanism for E, the first wire 31E is fixed O to the upper part of the first movable member 13E, extends toward one side of the opening, and is located at the left end of the upper guide member 2B. Is folded back and extended along the upper guide member 2B, and at the right end thereof, extends from the upper part to the lower part of the other end of the opening 1A to form the lower guide member 3
Along B, reaching the lower part of the first movable member 13E,
Fixed Q at the bottom. Also, the second wire 32
E has one end fixed to the lower part of the movable member 13E, and the other end extending toward one side of the opening, and inverted from the lower part of the one side to follow the lower guide member 3B. Through the lower part of the other side part of the opening part, and the other end of the extension is passed along the upper guide member 2B from the lower part of the other side part of the opening part through the upper part. It is folded back and fixed S on the movable member.

The first wire 31E and the second wire 32E are arranged in two rows in the left-right direction by the lower guide member 3B, and the first loop 40D and the first loop 40D are arranged in the middle of the parallel wiring. Two loops 41D are provided.

The first loop 40D and the second loop 41
The first tension adjusting means 50E for simultaneously expanding and contracting D is provided on the lower guide member 3B, and the first engaging portion 5 that engages with each of the loops 40D and 41D.
1D and the 2nd engagement part 52D. The specific configuration of each of the engaging portions 51D and 52D can be configured in the same manner as the first engaging portion 51A and the second engaging portion 52A according to the above-described first embodiment, and thus the details will be described. Detailed description is omitted.

The two wires 31F and 32F (not shown) of the wire tension mechanism for the second movable member 13F are attached in the same manner as the wires 31E and 32E of the wire tension mechanism for the first movable member 13E. Therefore, the second tension adjusting means 50F also
It may be provided on the lower guide member 3B. In addition, the second tension adjusting means 50F can be provided at any position where the wires 31F and 32F of the wire tension mechanism for the second movable member 13F can be wired in two rows.

Also in the second and third embodiments, the tension can be adjusted by moving the engaging portions up and down or by sliding the engaging portions in the left and right directions. Adjustment work can be performed easily.

[0040]

According to the invention described in claim 1, the first
When the respective loops of the wire that apply the tension to the first movable member are simultaneously expanded by using the tension adjusting means, the tension of the wire can be increased, and conversely, when the respective loops are contracted, the tension of the wire can be increased. The tension can be weakened.
Further, when the second tension adjusting means is used to simultaneously expand each loop of the wire that applies a tension to the second movable member, the wire tension can be increased, and conversely, when each loop is contracted. The wire tension can be reduced. Therefore, for each movable member, the tension of the wire for applying the tension can be simultaneously and evenly adjusted, and the tension of the wire can be adjusted by providing the tension adjusting means at a position where the tension of the wire can be easily adjusted. The adjustment work can be easily performed by the operator in a single step of expanding or contracting each loop of the wire.

According to the second aspect of the present invention, in addition to the above operation, loops are formed in the first row wire and the second row wire which are wired in two rows in the vertical direction of each movable member. Since the first movable member is provided with the first tension adjusting means and the second movable member is provided with the second tension adjusting means, the operator can easily perform the tension adjusting work. You can

According to the invention described in claim 3,
The first tension adjusting means includes a first engaging portion and a second engaging portion that engage with each loop, while the second tension adjusting means includes a first engaging portion and a second engaging portion that engage with each loop. Since it is composed of the third engaging portion and the fourth engaging portion, each tension adjusting means can be made very easily. Further, since each of the engaging portions is configured to be movable in the wiring direction, expansion and contraction of each loop can be performed by moving each of the engaging portions, resulting in an extremely simple configuration.

According to the invention described in claim 4,
In the first movable member or the second movable member, the tension adjustment of the wire for applying the tension can be performed simultaneously and evenly, and the first tension adjustment is performed at a position where the wire tension adjustment work can be easily performed. By providing the means or the second tension adjusting means, the work of adjusting the tension of the wire can be easily performed by the operator in a single step.

[Brief description of drawings]

FIG. 1 is a schematic front view of a screen door device using a wire tension adjusting mechanism according to a first embodiment,

FIG. 2 is a perspective view of an essential part of a first movable member showing details of the wire tension adjusting mechanism;

FIG. 3 is a schematic front view of a screen door device according to a modification using the wire tension adjusting mechanism.

FIG. 4 is a schematic front view of a screen door device using a wire tension adjusting mechanism according to a second embodiment,

FIG. 5 is a schematic front view of a screen door device using a wire tension adjusting mechanism according to a third embodiment.

FIG. 6 is a schematic front view showing a conventional screen door.

[Explanation of symbols]

1 Sash Frame (Opening Frame) 1A Opening 2 Upper Frame 3 Lower Frame 2A Upper Guide Member (Upper Frame) 3B Lower Guide Member (Lower Frame) 4 5A Left Vertical Frame 5 5B Right Vertical Frame 10 Screen Door Device Main Body 11 First Fixed member 12 Second fixed member 13 14 Movable member 13A 13C 13E First movable member 13B 13D 13F Second movable member 14A 14B Mesh member storage section 15 Mesh member 15A First mesh member 15B Second mesh member 16A 16B hollow part 31a 31b 32a 32b roller 33a 33b 34a 34b roller 30 30A wire tension mechanism 31, 32, 33, 34 wire 31A 31E 1st wire 32A 32E 2nd wire 31C 31D wire 31B 3rd wire 32B 4th Wire 40A 41A 40B 41B Loop 40C 4 according to the first embodiment 1C Loop 40D 41D according to the second embodiment Loop 50A 50C 50E according to the third embodiment First tension adjusting means 50B 50D 50F Second tension adjusting means 51A 51C 51D First engaging portion 52A 52C 52D Second engaging Part 51B Third engaging part 52B Fourth engaging part 51a 52a Bolt 51b 52b Nut 51c 52c Pulley 51d 52d Mounting bearing 310a 320a 310c 310d One end of wire 310b 320b 320c 320d The other end of wire

Claims (4)

(57) [Claims] 1. A wire tension mechanism for movably raising a pair of movable members between upper and lower frames of an opening of a building, and a pleat-shaped mesh member which is expandable and contractable as the movable members move. Alternatively, in a screen door device that closes, at a predetermined wiring position where wires that apply tension to the first movable member are wired in two rows, loop the wire in the first row and the wire in the second row, respectively. And a first tension adjusting means for expanding or contracting each loop at the same time is provided, and at a predetermined wiring position where wires for applying tension to the second movable member are wired in two rows, A screen door device characterized in that a loop is formed in each of the first row wire and the second row wire, and second tension adjusting means for simultaneously expanding or contracting each loop is provided. Of wire tension adjusting mechanism. 2. The wire tension mechanism for the first movable member is composed of two wires, a first wire and a second wire, and one end of the first wire is near the upper end of one side of the opening. The first end of the first movable member is fixed, the other end is passed from the upper part to the lower part, extends toward the other side of the opening, and is fixed near the lower end of the other side.
The wire has one end fixed near the lower end of one side of the opening, the other end extending from the lower part to the upper part of the first movable member, and extending toward the other side of the opening, and the other side. The wire of the first row and the wire of the second row, which are wired in two rows in the vertical direction of the first movable member, are fixed near the upper end of the section, and the loops of each row are simultaneously expanded or expanded. A first tension adjusting means for reducing is provided, and the wire tension mechanism for the second movable member is composed of two wires, a third wire and a fourth wire, and the third wire has one end of the opening part of the opening part. It is fixed near the upper end of one side, the other end is passed from the upper part to the lower part of the second movable member, and extends toward the other side of the opening,
The other side is fixed near the lower end, while the fourth wire is fixed at one end near the lower end on one side of the opening,
The other end is passed from the lower part to the upper part of the second movable member, extends toward the other side part of the opening, and is fixed near the upper end of the other side part, and in the vertical direction of the second movable member. 2. A second tension adjusting means for forming a loop on each of the wires in the first row and the wires in the second row, which are wired in two rows, and for expanding or contracting the loops in each row at the same time is provided. Wire tension adjusting mechanism of the screen door device described in. 3. The first tension adjusting means comprises a first engaging portion and a second engaging portion that engage with each loop, and each engaging portion extends along a wire wiring. The second tension adjusting means is arranged so as to be movable in the wiring direction, and the second tension adjusting means includes a third engaging portion and a fourth engaging portion that engage with each loop, and each of the engaging portions. The wire tension adjusting mechanism of the screen door device according to claim 1 or 2, wherein the joint portion is arranged along the wire of the wire and is configured to be movable in the wire direction. 4. A wire tension adjusting method for adjusting the wire tension of a wire tension mechanism using the wire tension adjusting mechanism according to claim 1, wherein the first tension adjusting means causes the first movable member to move. At the same time, the loops of each row of the wire that exerts tension are simultaneously expanded to increase the tension of the wire, while the loops of each row are simultaneously contracted to reduce the tension of the wire, and by the second tension adjusting means. , Expanding the loops of each row of wires that apply tension to the second movable member at the same time to strengthen the tension of the wires, while simultaneously reducing the loops of each row to weaken the tension of the wires Wire tension adjustment method for screen door devices.