JP2023178773A - Screen to be fitted to screen frame and structure to fit screen to screen frame - Google Patents

Abstract

To enable a screen to be easily spread on a screen frame so as to prevent wrinkles from being generated.SOLUTION: Vertical fitting members 8, 8 fitted to left and right vertical sides 1a, 1b of a screen 1 and horizontal fitting members 9, 9 fitted to upper and lower horizontal sides 1c, 1d have tabular plate parts 10, 20 on which pairs of parallel elastic engaging pieces 12a, 12b, 22a, 22b are formed and belt-like fitting parts 11, 21 to be fitted to the screen 1. The pair of elastic engaging pieces 12a, 12b of the vertical fitting members 8 is engaged with engaging grooves 6, 6 of left and right vertical frame rods 3a, 3b of the screen frame 3. The screen 1 can be spread on the screen frame 3 by engaging the pair of elastic engaging pieces 22a, 22b of the horizontal fitting members 9, 9 with engaging grooves 7, 7 of upper and lower horizontal frame rods 3c, 3d of the screen frame 3.SELECTED DRAWING: Figure 9

Description

The present invention relates to a screen such as an insect screen or a blindfold sheet to be attached to a screen frame attached to an opening in a building, and a structure for attaching the screen to the screen frame.

BACKGROUND ART It has been widely practiced to attach a screen such as an insect screen or a blindfold sheet to a screen frame attached to an opening in a building.
When attaching a screen to a screen frame in this way, conventionally, as described in Patent Document 1, for example, a netting tool is used to insert the screen into the mounting groove formed in the screen frame. A method was used in which a tube for holding down the net was pushed in together with the screen to secure it in place.

However, in addition to the screen, this method requires tools for laying the net, tubes for holding the net, etc., so these tools must be prepared in advance, which takes time and effort. It turns out. Moreover, it is not easy to use the tools and tubes mentioned above to tension the screen so that it does not wrinkle or loosen, and requires a certain degree of skill, so anyone can easily install the screen. It was not possible to set it up.

Japanese Patent Application Publication No. 2003-184458

A technical problem of the present invention is that it is possible to easily stretch a screen onto a screen frame without using any netting tools or net holding tubes, etc., and without causing wrinkles or loosening. The purpose is to do so.

In order to solve the above problems, according to the present invention, a screen is provided that is fitted in a rectangular screen frame made of left and right vertical frame rods and upper and lower horizontal frame rods in a fixed manner.
The screen has left and right vertical mounting members attached to the left and right vertical sides, and upper and lower horizontal mounting members attached to the upper and lower horizontal sides, and the vertical mounting members and the horizontal mounting members are parallel to each other. a plate-shaped plate portion on which a pair of elastic locking pieces are formed, and a belt-shaped attachment portion for attaching to the screen, and the pair of elastic locking pieces of the left and right vertical mounting members are attached to the screen. The pair of elastic locking pieces of the upper and lower horizontal mounting members are engaged with the locking grooves formed on the left and right vertical frame rods of the screen frame, and the pair of elastic locking pieces of the upper and lower horizontal mounting members are connected to the locking grooves formed on the upper and lower horizontal frame rods of the screen frame. By locking it in the stop groove, it can be stretched over the screen frame.

Further, according to the present invention, there is provided a mounting structure for fittingly attached to a rectangular screen frame consisting of left and right vertical frame rods and upper and lower horizontal frame rods.
In the mounting structure, locking grooves are formed in the mutually opposing inward surfaces of the left and right vertical frame rods, and in the mutually opposing inward surfaces of the upper and lower horizontal frame rods, and the screen is formed on the left and right vertical frame rods. It has a vertical mounting member attached to the side and a horizontal mounting member attached to the upper and lower horizontal sides, and the vertical mounting member and the horizontal mounting member are formed with a pair of parallel elastic locking pieces. It has a plate-shaped plate portion and a belt-shaped attachment portion for attaching to the screen, and the pair of elastic locking pieces of the vertical attachment member attached to the left and right vertical sides are attached to the left and right sides of the screen frame. At the same time, the pair of elastic locking pieces of the horizontal mounting member attached to the upper and lower horizontal sides are locked in the locking grooves of the upper and lower horizontal frame rods of the screen frame. By doing so, the screen can be attached to the screen frame.

Further, according to the present invention, there is provided a screen device which is fitted and stretched over a rectangular screen frame consisting of left and right vertical frame rods and upper and lower horizontal frame rods.
In the screen device, locking grooves are formed in the mutually opposing inward surfaces of the left and right vertical frame rods, and in the mutually opposing inward surfaces of the upper and lower horizontal frame rods, and the screen has the left and right vertical frame rods. It has left and right vertical mounting members attached to the sides, and upper and lower horizontal mounting members attached to the upper and lower horizontal sides, and the vertical mounting members and the horizontal mounting members are provided with a pair of parallel elastic locking pieces. has a plate-shaped plate portion formed with a strip-shaped mounting portion for attaching to the screen, and the pair of elastic locking pieces of the left and right vertical mounting members are attached to the left and right vertical frames of the screen frame. By locking in the locking grooves of the rods and also locking the pair of elastic locking pieces of the upper and lower horizontal mounting members in the locking grooves of the upper and lower horizontal frame rods of the screen frame, the screen It is attached to the screen frame.

In the present invention, the pair of elastic locking pieces of the vertical mounting member and the horizontal mounting member include a leg portion connected to the plate portion, and a head portion connected to the tip of the leg portion in a state inclined with respect to the leg portion. It is preferable that the head part is configured to be locked in the locking groove of the screen frame.

Further, in the present invention, it is preferable that the two heads formed on the pair of elastic locking pieces are inclined in the same direction.
In this case, of the two heads, a jaw part is formed at the base end of the head whose tip is inclined in a direction facing inside the locking groove by extending the head in the direction of inclination. , the jaw may be configured to lock in the locking groove.

Further, in the present invention, one or both of the left and right vertical mounting members and the upper and lower horizontal mounting members are provided by partially cutting off both longitudinal ends of the pair of elastic locking pieces. It is desirable that a locking piece cutout portion in which the elastic locking piece is not formed in the plate portion is provided.
In this case, it is desirable that the plate portion of the locking piece notch portion contacts an inward surface of a vertical frame rod or a horizontal frame rod of the screen frame to cover the locking groove.

According to the present invention, the pair of elastic locking pieces of the vertical mounting member attached to the left and right vertical sides of the screen are locked to the locking grooves of the left and right vertical frame rods of the screen frame, and By locking a pair of elastic locking pieces of the horizontal mounting member attached to the upper and lower horizontal sides into the locking grooves of the upper and lower horizontal frame rods of the screen frame, the screen can be used as a netting tool or the like. The screen can be easily stretched on the screen frame without using any net holding tubes or the like without causing wrinkles, slack, etc.

FIG. 2 is a front view of a screen according to the present invention stretched over a screen frame. 2 is a sectional view taken along line II-II in FIG. 1. FIG. 2 is a sectional view taken along line III-III in FIG. 1. FIG. 3 is a partially enlarged view of FIG. 2. FIG. FIG. 5 is a partially enlarged view similar to FIG. 4 showing a different configuration example of the vertical mounting member. It is a 3rd partial enlarged view. FIG. 7 is a partially enlarged view similar to FIG. 6 showing a different configuration example of the horizontal mounting member. FIG. 2 is a front view showing the screen of FIG. 1 in a state immediately before being stretched over a screen frame. FIG. 2 is a longitudinal sectional view showing an example in which a screen according to the present invention is attached to a sliding window. FIG. 9 is a cross-sectional view of FIG. 9;

FIGS. 9 and 10 show an example in which an insect screen 1, which is a type of screen according to the present invention, is fitted and stretched over a screen frame 3 formed on a sash 2 of a sliding window.

The sliding window is a window that opens by pushing out the shoji 4 attached to the sash 2 toward the outside of the room around a pivot shaft (not shown) by operating the handle 5, and the pivot shaft is oriented in the horizontal direction. There are horizontal sliding windows and vertical sliding windows in which the pivot axis is oriented in the vertical direction.
However, the screen 1 is not limited to such a sliding window, but can also be used for an awning window having a plurality of side-sliding shojis, a casement window in which the shoji 4 is opened and closed by rotating it with a hinge or shaft fitting, or a window frame. The shoji 4 can be attached to a window that is opened and closed by operating a handle 5 or the like, like a projecting window in which the shoji 4 is opened by protruding toward the outside of the room using the upper part as a fulcrum.

As is clear from FIGS. 1, 9 and 10, the screen frame 3 is formed into a rectangular frame shape by left and right vertical frame rods 3a, 3b and upper and lower vertical frame rods 3c, 3d made of aluminum alloy. It is arranged at a position closer to the room than the shoji 4 of the opening.

As is clear from FIG. 2, vertical mounting members 8 attached to the left and right vertical sides 1a, 1b of the screen 1 are locked to the mutually opposing inward surfaces 3e of the left and right vertical frame rods 3a, 3b. As is clear from FIG. 3, vertical locking grooves 6 are formed over the entire length of the vertical frame rods 3a, 3b. Horizontal locking grooves 7 for locking horizontal mounting members 9 attached to the upper and lower horizontal sides 1c and 1d of the screen 1 are formed over the entire length of the horizontal frame rods 3c and 3d, respectively. There is.
In the following description, the vertical locking groove 6 and the horizontal locking groove 7 may be simply referred to as "locking grooves."

As shown in FIG. 1, the screen 1 has a rectangular shape when viewed from the front, and the vertical mounting members 8 integrally formed with an elastomer having rubber elasticity are provided on the left and right vertical sides 1a and 1b. The horizontal mounting members 9 are attached over the entire length of the vertical sides 1a and 1b, and are integrally molded with an elastomer having rubber elasticity on the upper and lower horizontal sides 1c and 1d of the screen 1. , 1d, respectively.

The left and right vertical mounting members 8, 8 attached to the left and right vertical sides 1a, 1b of the screen 1 have the same shape, and as is clear from FIG. They are installed in opposite directions, left and right. The configuration of the vertical mounting member 8 will be explained with reference to the left vertical mounting member 8 typically shown in FIG. This vertical mounting member 8 has a narrow thin plate portion 10 extending over its entire length, and a belt-shaped mounting portion 11 for attaching the vertical mounting member 8 to the vertical side 1a of the screen 1. A pair of elastic locking pieces 12a are provided on the outer surface 10a of the plate portion 10 facing the vertical frame rod 3a and elastically lock in the vertical locking groove 6 formed in the vertical frame rod 3a. , 12b are formed to extend in parallel in the length direction of the plate portion 10.

The pair of elastic locking pieces 12a, 12b includes a leg portion 13 continuous to the outer surface 10a of the plate portion 10, and a head portion 14a continuous to the tip of the leg portion 13 in an attitude inclined with respect to the leg portion 13. 14b, the heads 14a, 14b are locked to the groove edge 6a of the vertical locking groove 6, and the two heads 14a formed on the pair of elastic locking pieces 12a, 12b are , 14b are inclined in the same direction. Further, among the two heads 14a and 14b, one of the elastic locking pieces 12a has a base end portion of the head 14a formed so that its tip faces inside the vertical locking groove 8. A jaw portion 14c is formed by extending the portion 14a in the oblique direction, and this jaw portion 14c is adapted to lock onto the groove edge 6a of the vertical locking groove 6.

When the pair of elastic locking pieces 12a, 12b are to be locked in the vertical locking groove 6 of the vertical frame rod 3a, the heads 14a, 14b of the pair of elastic locking pieces 12a, 12b are to be locked in the vertical locking groove 6 of the vertical frame rod 3a. Insert it into the groove 6 and push it firmly into the locking groove 6 as it is. Then, after the pair of elastic locking pieces 12a and 12b are once elastically deformed in a direction in which the distance between them becomes narrower, the entire heads 14a and 14b are inserted into the vertical locking groove 6 and restored. , the heads 14a and 14b are elastically engaged with the groove edge 6a of the vertical engagement groove 6. At this time, the plate part 10 closes the vertical locking groove 6 by contacting the inward facing surface 3e of the vertical frame rods 3a and 3b, thereby preventing the formation of a gap through which insects can enter.

Further, the base end 11b of the attachment part 11 is surface-adhered to the vertical side 1a of the screen 1 by a method such as heat welding, and the tip part 11a of the attachment part 11 is attached to the inner surface 10b of the plate part 10. It is connected at a position near one end in the width direction. An elastic bending part 15 is formed in the mounting part 11 by forming a part of it into an elastically bendable inclined part. By elastically bending and extending the bending portion 15 using the tip portion 11a of the attachment portion 11 as a fulcrum, tension in the left and right direction is applied to the screen 1.

The elastic bending part 15 is formed by bending a part of the mounting part 11 as an inclined part, but as shown in FIG. It can also be formed by adding a bending habit such as a wave shape or a wave shape.
Further, the distal end portion 11a of the attachment portion 11 may be connected to the inner surface 10b of the plate portion 10 at a central position in the width direction.

On the other hand, the upper and lower horizontal mounting members 9, 9 attached to the upper and lower horizontal sides 1c, 1d of the screen 1 have the same shape, and as is clear from FIG. 1d so that they are upside down. The configuration of the horizontal mounting member 9 will be explained with reference to the upper horizontal mounting member 9 typically shown in FIG. The horizontal mounting member 9 has a thin thin plate portion 20 extending over its entire length, and a strip-shaped mounting portion 21 for mounting on the upper horizontal side 1c of the screen 1. A pair of elastic locking pieces 22a, 22b elastically locking into the horizontal locking grooves 7 of the horizontal frame rods 3c are provided on the outer surface 20a of the plate portion 20 facing the horizontal frame rods 3c, 3d. It is formed to extend parallel to the length direction of the portion 20.

The pair of elastic locking pieces 22a and 22b include a leg portion 23 connected to the outer surface 20a of the plate portion 20, and a head portion 24a connected to the tip of the leg portion 23 in an attitude inclined with respect to the leg portion 23. 24b, and the heads 24a, 24b are locked to the groove edge 7a of the horizontal locking groove 7, and the two heads formed on the pair of elastic locking pieces 22a, 22b are 24a and 24b are inclined in the same direction.

Of the two heads 24a and 24b, one of the elastic locking pieces 22a has a base end portion of the head 24a formed such that its tip is inclined toward the inside of the vertical locking groove 7. A locking jaw 24c is formed by extending the head 24a in the oblique direction, and this jaw 24c is configured to lock onto the groove edge 7a of the horizontal locking groove 7.

When the pair of elastic locking pieces 22a, 22b are to be locked in the horizontal locking groove 7 of the horizontal frame rod 3c, the heads 24a, 24b of the pair of elastic locking pieces 22a, 22b are locked in the vertical locking position. Insert it into the groove 7 and push it firmly into the locking groove 7 as it is. Then, after the pair of elastic locking pieces 22a, 22b are once elastically deformed in a direction in which the distance between them becomes narrower, the entire heads 24a, 24b are inserted into the vertical locking groove 7 and restored, The heads 24a and 24b are elastically engaged with the groove edge 7a of the vertical engagement groove 7. At this time, the plate portion 20 closes the horizontal locking groove 7 by contacting the inward surface 3e of the horizontal frame rod 3c, thereby preventing the formation of a gap through which insects can enter.

Further, the base end 21b of the attachment part 21 is surface-adhered to the end of the screen 1 by a method such as heat welding, and the tip 21a of the attachment part 21 is connected to the width of the inner surface 20b of the plate part 20. It is connected at a position closer to one end of the direction. An elastic bending part 25 is formed in the mounting part 21 by forming a part of it into an elastically bendable inclined part. The screen 1 is configured so that vertical tension is applied to the screen 1 by bending and stretching the bending and stretching portions 25.

The elastic bending part 25 is formed by bending a part of the mounting part 21 as an inclined part, but as shown in FIG. It can also be formed by bending it into a wave shape or the like to give it a bending habit.
Further, the distal end portion 21a of the attachment portion 21 may be connected to the inner surface 20b of the plate portion 20 at a central position in the width direction.

In this way, by providing the elastic bending parts 15 and 25 in the mounting parts 11 of the left and right vertical mounting members 8, 8 and the mounting parts 21 of the upper and lower horizontal mounting members 9, 9 of the screen 1, respectively, the screen 1 When the screen frame 3 is stretched, horizontal and vertical tensions are automatically applied to the screen 1 by the elastic bending and stretching of the elastic bending parts 15 and 25, and as a result, The screen 1 can be easily stretched in such a manner that the screen frame 3 does not wrinkle, loosen or loosen.

Here, when the screen 1 having the above-mentioned configuration is stretched on the screen frame 3, as shown in FIGS. 6 and 8, first, a pair of The elastic locking pieces 22a, 22b are pushed into the horizontal locking grooves 7, 7 of the upper and lower vertical frame rods 3c, 3d, and the two heads 24a, 24b are elastically fitted into the groove edges 7a of the horizontal locking grooves 7. 4, the pair of elastic locking pieces 12a, 12b formed on the left and right vertical mounting members 8, 8 are vertically locked to the left and right vertical frame rods 3a, 3b. The heads 14a, 14b are pushed into the grooves 6, 6 to elastically engage the groove edges 6a of the vertical locking groove 6, but at this time, the entire length of the left and right vertical mounting members 8, 8 is When a pair of elastic locking pieces 12a, 12b are formed across the vertical frame rods 3a, 3b, the elastic locking pieces 12a, 12b strongly attach to the vertical frame rods 3a, 3b near both upper and lower ends of the vertical mounting members 8, 8. Since they contact and are irregularly deformed, it becomes difficult to push the elastic locking pieces 12a, 12b into the vertical locking grooves 6, 6.

Therefore, in the present invention, as shown in FIGS. 1 and 8, the pair of elastic locking pieces 12a, 12b, a locking piece notch 16 is provided in the plate portion 10 where the pair of elastic locking pieces 12a, 12b are not formed.

As a result, the screen 1 can be attached to the screen frame 3 by simply pushing the elastic locking pieces 12a and 12b formed between the locking piece notches 16 and 16 into the vertical locking grooves 6 and 6. Can be easily stretched. At this time, in the locking piece notch 16, the plate portion 10 comes into contact with the inward surfaces of the vertical frame rods 3a, 3b and closes the vertical locking groove 6, so no gap is formed through which insects such as mosquitoes can enter. Not done.

The locking piece notches 16 may be formed at both ends of the upper and lower horizontal mounting members 9, instead of being formed on the left and right vertical mounting members 8, 8, or at the left and right vertical mounting members 8, 8 and the upper and lower horizontal mounting members 9, 9 can also be formed.

1 Screen 1a, 1b Vertical side 1c, 1d Horizontal side 3 Screen frame 3a, 3b Vertical frame rod 3c, 3d Horizontal frame rod 3e Inward surface 6, 7 Locking groove 8 Vertical mounting member 9 Horizontal mounting member 10, 20 Plate portion 11 , 21 Attachment part 11a, 21a Tip part 11b, 21b Base end part 12a, 22a Elastic locking piece 12b, 22b Elastic locking piece 13, 23 Leg part 14a, 14b Head 14c, 24c Jaw part 16 Locking piece notch part 24a, 24b head

Claims (18)

A screen for being fitted and stretched in a rectangular screen frame consisting of left and right vertical frame rods and upper and lower horizontal frame rods,
The screen has left and right vertical mounting members attached to the left and right vertical sides, and upper and lower horizontal mounting members attached to the upper and lower horizontal sides, and the vertical mounting members and the horizontal mounting members are parallel to each other. a plate-shaped plate portion on which a pair of elastic locking pieces are formed, and a belt-shaped attachment portion for attaching to the screen, and the pair of elastic locking pieces of the left and right vertical mounting members are attached to the screen. The pair of elastic locking pieces of the upper and lower horizontal mounting members are engaged with the locking grooves formed on the left and right vertical frame rods of the screen frame, and the pair of elastic locking pieces of the upper and lower horizontal mounting members are connected to the locking grooves formed on the upper and lower horizontal frame rods of the screen frame. It can be stretched over the screen frame by being locked in the stop groove;
A screen attached to a screen frame characterized by: The pair of elastic locking pieces of the vertical mounting member and the horizontal mounting member each have a leg portion connected to the plate portion, and a head portion connected to the tip of the leg portion in a state that is inclined with respect to the leg portion. 2. The screen according to claim 1, wherein the head is locked in the locking groove of the screen frame. 3. The screen according to claim 2, wherein the two heads formed on the pair of elastic locking pieces are inclined in the same direction. Of the two heads, a jaw is formed at the base end of the head whose tip is inclined in a direction facing inside the locking groove by extending the head in the direction of inclination. 4. The screen according to claim 3, wherein a portion is locked in the locking groove. Either or both of the left and right vertical mounting members and the upper and lower horizontal mounting members are provided with elastic locking elements by partially cutting off both lengthwise ends of the pair of elastic locking pieces. 3. The screen according to claim 1, further comprising a locking piece notch in which the plate part is not formed. 6. The screen according to claim 5, wherein the plate portion in the locking piece cutout portion contacts a vertical frame rod or a horizontal frame rod of the screen frame and covers the locking groove. A mounting structure for fitting and attaching a screen to a rectangular screen frame consisting of left and right vertical frame rods and upper and lower horizontal frame rods,
Locking grooves are formed in mutually opposing inward surfaces of the left and right vertical frame rods, and in mutually opposing inward surfaces of the upper and lower horizontal frame rods,
The screen has vertical mounting members attached to the left and right vertical sides, and horizontal mounting members attached to the upper and lower horizontal sides, and the vertical mounting members and the horizontal mounting members have a pair of parallel elastic members. a pair of elastic locking pieces of the vertical mounting member attached to the left and right vertical sides, the plate portion having a plate shape on which locking pieces are formed, and a belt-shaped mounting portion for attaching to the screen; are locked in the locking grooves of the left and right vertical frame rods of the screen frame, and the pair of elastic locking pieces of the horizontal mounting member attached to the upper and lower horizontal sides are connected to the upper and lower horizontal frame rods of the screen frame. The screen can be attached to the screen frame by being locked in the locking groove of the screen.
A structure for attaching a screen to a screen frame, characterized by: The pair of elastic locking pieces of the vertical mounting member and the horizontal mounting member each have a leg portion connected to the plate portion, and a head portion connected to the tip of the leg portion in a state that is inclined with respect to the leg portion. 8. The screen according to claim 7, wherein the head is locked in the locking groove of the screen frame. 9. The screen mounting structure according to claim 8, wherein the two heads formed on the pair of elastic locking pieces are inclined in the same direction. Of the two heads, a jaw is formed at the base end of the head whose tip is inclined in a direction facing inside the locking groove by extending the head in the direction of inclination. 10. The screen mounting structure according to claim 9, wherein the part is locked in the locking groove. Either or both of the left and right vertical mounting members and the upper and lower horizontal mounting members are provided with elastic locking elements by partially cutting off both lengthwise ends of the pair of elastic locking pieces. 9. The screen mounting structure according to claim 7, further comprising a locking piece notch in which the plate part is not formed. 12. The screen according to claim 11, wherein the plate portion in the locking piece cutout portion contacts a vertical frame rod or a horizontal frame rod of the screen frame and covers the locking groove. A screen device in which a screen is fitted into a rectangular screen frame consisting of left and right vertical frame rods and upper and lower horizontal frame rods and stretched in a dead-end manner,
Locking grooves are formed in mutually opposing inward surfaces of the left and right vertical frame rods, and in mutually opposing inward surfaces of the upper and lower horizontal frame rods,
The screen has left and right vertical mounting members attached to the left and right vertical sides, and upper and lower horizontal mounting members attached to the upper and lower horizontal sides, and the vertical mounting members and the horizontal mounting members are parallel to each other. a plate-shaped plate portion on which a pair of elastic locking pieces are formed, and a belt-shaped attachment portion for attaching to the screen, and the pair of elastic locking pieces of the left and right vertical mounting members are attached to the screen. At the same time, the pair of elastic locking pieces of the upper and lower horizontal mounting members are locked in the locking grooves of the upper and lower horizontal frame rods of the screen frame. By this, the screen is stretched over the screen frame,
A screen device characterized by: The pair of elastic locking pieces of the vertical mounting member and the horizontal mounting member each have a leg portion connected to the plate portion, and a head portion connected to the tip of the leg portion in a state that is inclined with respect to the leg portion. 14. The screen device according to claim 13, wherein the head is locked in the locking groove of the screen frame. 15. The screen device according to claim 14, wherein the two heads formed on the pair of elastic locking pieces are inclined in the same direction. Of the two heads, a jaw is formed at the base end of the head whose tip is inclined in a direction facing inside the locking groove by extending the head in the direction of inclination. 16. The screen device according to claim 15, wherein a portion of the screen is locked in the locking groove. Either or both of the left and right vertical mounting members and the upper and lower horizontal mounting members are provided with elastic locking elements by partially cutting off both lengthwise ends of the pair of elastic locking pieces. 15. The screen device according to claim 13 or 14, further comprising a locking piece notch in which the plate part is not formed. 18. The screen according to claim 17, wherein the plate portion in the locking piece notch portion contacts an inward surface of a vertical frame rod or a horizontal frame rod of the screen frame to cover the locking groove.

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