KR20210012592A - Locking apparatus of fly screen door - Google Patents

Abstract

The present invention relates to a locking device for a screen, which sturdily locks a screen. More specifically, the locking device for a screen is installed on one side of a screen frame in response to a stopping protrusion and a keeper unit having the stopping protrusion formed on one surface thereof to be installed on one side of a chassis frame, and comprises: a main body unit formed by a first casing formed in a housing shape of which one surface is opened and provided with an insertion port of which one side is opened to accommodate the stopping protrusion, and a second casing detached while facing the first casing and provided with an opening port of which one surface is opened in a longitudinal direction; a fastening unit fastened to the stopping protrusion accommodated in the main body unit to limit the movement of the main body unit; and a pushbutton which is rotatably arranged on the opening port, and rotates by an external force to limit the operation of the fastening unit.

Description

Locking device for insect screen {LOCKING APPARATUS OF FLY SCREEN DOOR}

The present invention relates to a locking device for insect screens, and more particularly, by fastening a keeper part installed on a chassis frame to a fastening part, including a push button for limiting the operation of a body part installed on the screen frame and a fastening part formed inside the body part. It relates to a locking device for an insect screen that locks the insect screen and securely locks the insect screen by fastening the keeper part and the fastening part regardless of the vertical level of the chassis frame by making the width of the fastening jaw formed on the fastening part wide.

In general, windows of apartment houses or detached houses, such as apartments, are almost always provided with windows equipped with a screen to prevent pests such as mosquitoes and flies from entering the interior when the window is opened.

In general, the screen has a structure in which a wire net is installed in a window frame frame, and the screen is always maintained in a closed state while the window is open.

Therefore, the screen is opened and closed by sliding it left and right like the window. This screen is used with the window open, so if there is no other locking device, criminals can easily open the screen and invade.

Such a screen has a problem in that the screen is always closed while the window is open, but there is a problem in that it is always exposed to crime because there is no separate locking device. In addition, there is a problem that safety accidents in which children or children fall because the insect screen is frequently opened by children or children.

In order to overcome this problem, Korean Patent Registration No. 10-1554332 discloses "safety locking device installed on a screen frame". The first body installed on the frame is installed on the window frame, so that the frame can be separated from the window frame. Attached to the first body to prevent detachment from the first body or the frame from the window frame, installed on the first body, and rotates so that the second body is detached from the first body. A configuration is provided including a moving part that is movably installed in the rotating part and the first body part, and which is brought into contact with the rotating part to prevent rotation of the rotating part.

However, in this prior art, the moving part of the first main body fixedly installed on the frame is moved to one side and then rotated by pressing the rotating part to couple the rotating part and the second main body.

Afterwards, the moving part is pushed in the direction of the pivoting part again to fix the pivoting part so that the rotation of the pivoting part is limited to lock it, or move the moving part to one side in the locked state, and then press the pivoting part to rotate to separate the pivoting part from the second body and lock it. There was a hassle to turn it off.

In particular, on a cold winter day, since the moving part of the locking device exposed to the outside freezes and cannot move, there is a problem in that the rotating part fixed by the moving part cannot be rotated, and thus the locking device cannot be used.

In addition, since the structure of the locking device is complicated, manufacturing becomes difficult, and thus a lot of manpower is consumed for manufacturing, and manufacturing costs are high.

Korean Patent Registration No. 10-1554332

In order to solve the problems of the prior art as described above, the present invention includes a main body installed on a screen frame and a push button for limiting the operation of a fastening part formed inside the body part, and a keeper part installed on the chassis frame is fastened to the fastening part. It is to provide a locking device for a new structure that locks the screen securely by locking the keeper part and the fastening part regardless of the vertical level of the chassis frame by making the width of the fastening jaw formed in the fastening part wide.

The present invention in order to solve the above problems

In the locking device for a screen that is installed on one side of the screen frame in response to the locking jaw and a keeper part that is formed on one side of the chassis frame,

The first casing is formed in the shape of a case with one side open, one side is opened to accommodate the locking protrusion, and the second casing is detachable while facing the first casing, and has an opening with one side open in the longitudinal direction. A body part formed of a casing,

A fastening part that is fastened to the locking jaw accommodated in the body part to limit movement of the body part, and

It is disposed rotatably in the opening, including a push button that is rotated by an external force to limit the operation of the fastening portion

Provides a locking device for insect screens.

In the locking device for an insect screen according to an embodiment of the present invention, the fastening portion is spaced apart from the inner surface of the first casing by a predetermined distance and protruding from a pivoting groove, a plate-shaped main plate disposed between the pivoting grooves, the A rotation shaft protruding from the center of both end surfaces of the main plate and axially coupled to the rotation groove, a plurality of locking jaws protruding from one surface of the main plate and fastened to the locking jaws, and one side connected to the rotation shaft in a ring shape It may be characterized in that the other side includes an elastic wire positioned at the protrusions formed at the rear of both sides of the end surface of the main plate, and the fastening jaws are formed to be longer in the width direction than the locking jaws.

In the locking device for an insect screen according to an embodiment of the present invention, further comprising a stopper for controlling the operation of the push button, the stopper is a rectangular box-shaped first button portion, extending in one direction from the first button portion A second button portion having a cylindrical shape protruding from the distal end, a braking portion extending from one surface of the first button portion, and bent at an end extending to the inner surface of the push button, adjacent to the push button, and of the first casing One side in a unidirectional direction may include an opening groove through which the first button portion is exposed, and a hole is formed by being spaced apart from the opening groove, and an opening hole through which the second button portion is exposed.

In the locking device for a screen according to an embodiment of the present invention, the stopper moves the first button portion in one direction while pressing the second button portion, so that the braking portion supports the inner surface of the push button. It may be characterized in that the rotation of the push button is limited to maintain the fastening state of the fastening part and the locking jaw.

In the locking device for an insect screen according to an embodiment of the present invention, in the locking device for a screen installed on one side of the screen frame in response to the keeper part and the locking step that are formed on one side of the chassis frame and installed on one side of the chassis frame, ,

The main body is formed to face each other to be detachable, one side is open to accommodate the locking jaw to the inside, and

It may include a fastening portion that is fastened to the locking jaw accommodated inside the body portion to limit the movement of the body portion.

In the locking device for an insect screen according to an embodiment of the present invention, the body portion is formed in a plate shape, and a wall extending in one direction along the edge of the plate is formed, and one side of the wall is opened so that the locking projection is inserted. The first casing, which is accommodated in the wall, is attached to and detached from the first casing, and a second casing capable of pressing on one surface thereof and both sides of the wall are perforated to form a rotating hole, and the first casing is formed in correspondence with the rotating hole. 2 It includes a rotating part having a rotating shaft protruding on both sides of the end surface of the casing, and the rotating part is connected to the rotating shaft in an annular shape, and the other side is located at a projection formed on both sides of the end surface of the second casing. When the second casing is rotated by being provided with an elastic wire, the second casing is pressed and then rotated to its original position by an elastic repulsive force.

In the locking device for an insect screen according to an embodiment of the present invention, the fastening portion has a plurality of fastening jaws protruding from the other surface of the second casing corresponding to the locking jaws, and the fastening jaws are widthwise than the locking jaws. It may be characterized in that it is formed long.

The locking device for the insect screen according to the present invention includes a main body installed on the screen frame and a push button for limiting the operation of the fastening unit formed inside the main body, and locks the insect screen by fastening the keeper unit installed on the chassis frame to the fastening unit, and When pressed, the fastening portion rotates in one direction and is separated from the locking jaw formed in the keeper portion to open the insect screen, thereby facilitating locking and opening.

In addition, the locking device for insect screens according to the present invention has the advantage that the locking jaws formed in the keeper portion can be fastened to the locking portion regardless of the vertical level of the chassis frame by making the width of the locking jaws formed in the fastening portion wide. As a result, the insect screen is locked to the chassis frame even in a building in which an old chassis frame is installed, thereby preventing the introduction of pests.

In addition, in the locking device for insect screens according to the present invention, the first button part moves in a straight reciprocation in the opening groove, and the second button part is located in the opening hole and moves the first button part while pressing the second button part to rotate the pressing plate. Due to the limitation, there is an advantage of not being able to open the screen from the outside, and there is an advantage of preventing children from opening easily from the inside.

1 is a perspective view schematically showing the appearance of a locking device for a screen according to a first embodiment of the present invention.
Figure 2 is a view showing the internal configuration of the screen locking device according to the first embodiment of the present invention.
3 is an exploded perspective view showing the exploded view of FIG. 1.
4 is a cross-sectional view showing a locked state by fastening the locking device for the insect screen according to the first embodiment of the present invention to the keeper.
5 is a cross-sectional view showing a state in which the locking device for the insect screen according to the first embodiment of the present invention is separated from the keeper portion to be unlocked.
6 is an exploded perspective view showing a state in which the configuration of a stopper is further included in the locking device for the insect screen according to the first embodiment of the present invention.
7 is an exemplary view showing a state in which the stopper of the locking device for the insect screen according to the first embodiment of the present invention supports the lower surface of the push button.
8 is a perspective view schematically showing the appearance of a locking device for a screen according to a second embodiment of the present invention.
9 is an exploded perspective view showing the exploded view of FIG. 8.
10 is a cross-sectional view showing a locked state and an unlocked state by fastening the locking device for the insect screen according to the second embodiment of the present invention to the keeper.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment in which a person of ordinary skill in the art to which the present invention pertains can easily implement the present invention. However, when it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

In addition, the same reference numerals are used for parts having similar functions and functions throughout the drawings.

In addition, when a part of the specification is said to be'connected' with another part, this includes not only the case that it is directly connected but also the case that it is indirectly connected with another component in the middle. In addition, "including" a certain component means that other components may be further included, rather than excluding other components unless specifically stated to the contrary.

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the screen locking device according to a preferred embodiment of the present invention.

Embodiment 1

1 is a perspective view schematically showing the appearance of a locking device for a screen according to a first embodiment of the present invention, Figure 2 is a perspective view showing the internal configuration of the locking device for a screen according to the first embodiment of the present invention, 3 is an exploded perspective view showing an exploded view of FIG. 1, and FIG. 4 is a cross-sectional view showing a locked state by fastening the locking device for a screen according to a first embodiment of the present invention to a keeper, and FIG. 5 is a first embodiment of the present invention. A cross-sectional view showing an unlocked state by separating the locking device for an insect screen according to the embodiment, and FIG. 6 is an exploded view showing a state in which the configuration of a stopper is further included in the locking device for a screen according to the first embodiment of the present invention Fig. 7 is a perspective view, and Fig. 7 is an exemplary view showing a state in which a stopper of a locking device for an insect screen according to a first embodiment of the present invention supports a lower surface of a push button.

As shown in FIGS. 1 and 2, the locking device 10 for an insect screen according to the first embodiment of the present invention includes a body part 100, a fastening part 200, and a push button 300.

More specifically, as shown in Figs. 1 to 3, the locking device 10 for the insect screen according to the first embodiment of the present invention has a locking jaw 11a formed on one side of the chassis frame F. In the locking device for a screen installed on one side of the screen frame (B) in correspondence with the keeper part 11 and the catching jaw installed on the screen, one side is formed in a shape of an open case, and one side is opened to accommodate the catching jaw The main body portion 100 formed of a first casing 110 having an insertion hole 111 formed thereon and a second casing 120 having an opening 121 formed on one side thereof facing each other and facing the first casing, It includes a fastening portion 200 that is fastened to a locking jaw accommodated in the body portion to limit movement of the body portion, and a push button 300 that is rotatably disposed in the opening portion and rotates by an external force to limit the operation of the fastening portion.

Here, the keeper part 11 is installed on one side of the chassis frame F formed to open and close the window by inserting the window frame. In particular, the keeper portion 11 is a locking jaw (11a) formed to keep the screen for insect repellent in a closed state while the window frame is open is coupled to the locking device 10 for the screen to lock the screen frame Do it.

2 and 3, the main body 100 is formed in a detachable structure in which the first casing 110 and the second casing 120 face each other and are coupled or separated.

To this end, the main body 100 forms a detachable groove in the first casing 110, and a detachable protrusion is formed in the second casing 120 to correspond to the detachable groove (not shown in the drawing).

The first casing 110 is formed in a housing shape with one side open, and an insertion hole 111 with one side open to accommodate the locking projections 11a.

One side of the first casing 110 is opened in the insertion hole 111 corresponding to the width of the hook jaw 11a.

In addition, the first casing 110 is provided with a hole through which an inner surface is perforated, and is installed by a fixing member on one surface of the screen frame (not shown).

The second casing 120 is attached and detached while facing the first casing 110, and an opening 121 having one surface open in the longitudinal direction is formed.

2 and 3, the fastening part 200 is fastened to the locking protrusion 11a accommodated in the body part 100 to limit the movement of the body part 100.

That is, the fastening part 200 is inserted into the insertion hole 111 formed in the first casing 110 and the locking protrusion 11a is inserted and positioned inside the first casing 110 and fastened to each other. The movement is restricted, so that the screen frame remains in tight contact with the chassis frame.

To this end, the fastening part 200 includes a rotating groove 210, a main plate 220, a rotating shaft 230, a fastening jaw 240, and an elastic wire 250.

The rotation groove 210 is formed to protrude from the inner surface of the first casing 110 by a predetermined distance, as shown in FIGS. 2 and 4.

The main plate 220 has a plate shape disposed between the rotation grooves 210 and rotates within the first casing 110 with respect to a rotation shaft 230 to be described later.

In addition, the main plate 220 is formed to have a large area by having a predetermined width, and it is preferable to surround the locking protrusion 11a.

The rotation shaft 230 protrudes from the center of both end surfaces of the main plate 220 and is axially coupled to the rotation groove 210.

In particular, when an external force pressing one side of the main plate 220 acts as shown in FIG. 5, the rotation shaft 230 rotates in the pressing direction so that the other side of the main plate 220 becomes the first casing 110. It is to be spaced apart from or in contact with the inner surface.

Referring to FIGS. 2 and 4, a plurality of fastening jaws 240 protrude from one surface of the main plate 220 and are fastened to the locking jaws 11a.

That is, the fastening jaw 240 is formed in an uneven shape, and one side is formed as an inclined surface corresponding to the shape of the locking jaw 11a, and the other side is a triangular shape that is at a right angle from the highest point of the inclined surface to one surface direction of the main plate 220 Is formed by Due to this, the locking jaw (11a) is pushed and fastened to keep the coupling force firmly.

In particular, the fastening jaw 240 is formed longer in the width direction than the locking jaw (11a). This is, even if the locking protrusion 11a passes through the insertion opening 111 at an inclined angle from a virtual straight line in contact with the main plate 220 and is positioned on the main plate 220, the locking protrusion 11a is adjacent to the processing protrusion 240 This is to make sure they are fastened together.

For example, a chassis frame formed in an opening of an old building is deformed by the load of the building, and the vertical level of the chassis frame is inclined. At this time, when the fur part is installed on one side of the chassis frame and a general insect screen locking device fastened to the keeper part is installed, the keeper part also has an inclination corresponding to the inclined vertical level of the chassis frame.

For this reason, when fastening the screen locking device to the keeper part, it is impossible to maintain a strong adhesion between the screen frame and the chassis frame due to different inclination angles.

The elastic wire 250 is connected to the rotation shaft 230 in an annular shape, and the other side is located on a protrusion formed at the rear of both sides of the end surface of the main plate 220.

This elastic wire 250 serves to rotate the main plate 220 to its original position in response to the rotation of the main plate 220 with an elastic repulsive force as shown in FIGS. 4 and 5.

Referring to FIGS. 2 and 3, the push button 300 is disposed rotatably in the opening 121 and rotates by an external force to limit the operation of the fastening part 200.

This push button 300 includes a plate 310, a push rotation shaft 320, and a push jaw 330.

The plate 310 is formed in a plate shape corresponding to the shape of the opening 121 formed through the second casing 120. In addition, the plate 310 is exposed to the opening 121 and pressed by an external force, thereby pressing the main plate 220 of the fastening portion 200 located inside the first casing 110.

The pressing rotation shaft 320 has protrusions formed on both sides of one side of the inner surface of the plate 310 and is coupled to the grooves protruding from both sides of one side of the opening 121. For this reason, it becomes possible for the plate 310 to rotate about the pressing rotation shaft 320 as an axis.

The pressing jaw 330 has a protrusion protruding from the other side of the inner surface of the plate 310 in the longitudinal direction to contact the other surface of the main plate 220.

For example, when pressing the plate 310 by an external force as shown in FIGS. 4 and 5, the pressing jaw 330 rotates about the pressing rotation shaft 320 in the pressing direction of the plate 310 to the main plate. Press the other side of (220). At this time, the locking jaw 240 formed on one surface of the main plate 220 is separated from the locking jaw 11a to release the lock.

Accordingly, the lock of the main body portion 100 and the keeper portion 11 is released, and it becomes possible to open the screen frame.

On the other hand, as shown in FIGS. 6 and 7, the locking device 10 for an insect screen according to the first embodiment of the present invention further includes a stopper 400.

The stopper 400 controls the operation of the push button 300, and the first button part 410, the second button part 420, the brake part 430, the opening groove 440 and the opening hole 450 Includes.

The first button part 410 is formed in a square box shape and is exposed to the end surface of the first casing 110.

The second button portion 420 is a button formed in a cylindrical shape protruding from an end extending in one direction from the first button portion 410.

The braking part 430 extends from one surface of the first button part 410 and is bent at an end extending toward the inner surface of the push button 300. This restricts the operation of the fastening part 200 by controlling the rotation of the plate 310 by supporting the inner surface of the plate 310 by linear reciprocating movement of the first button part 410 and the second button part 420 To do it.

The opening groove 440 is adjacent to the push button 300, and one side in a unidirectional direction of the first casing 110 is opened to expose the first button portion 410. In addition, the opening groove 440 is formed in a longitudinal direction and serves to allow the first button portion 410 to move linearly and reciprocally.

The opening hole 450 is spaced apart from the opening groove 440 to form a hole, and the second button portion 420 is exposed.

Such a stopper 400 moves the first button part 410 in one direction while pressing the second button part 420 so that the brake part 430 supports the inner surface of the push button 300, and is pressed. The rotation of the button 300 is restricted to maintain the fastening state of the fastening part 200 and the locking protrusion 11a.

Embodiment 2

In the locking device for a screen of the present invention described in the second embodiment, the same or similar components as in the first embodiment refer to the foregoing, and with respect to the body part 500 and the fastening part 600 which are modified components It will be described in more detail.

Therefore, in FIGS. 8 to 10, detailed descriptions of components that are the same as or corresponding to those of the first embodiment will be omitted below.

8 is a perspective view schematically showing the appearance of a locking device for an insect screen according to a second embodiment of the present invention, FIG. 9 is an exploded perspective view showing an exploded view of FIG. 8, and FIG. 10 is an exploded perspective view according to a second embodiment of the present invention. It is a cross-sectional view showing the locked and unlocked states of the locking device for the insect screen is fastened to the keeper.

The locking device 20 for a screen in accordance with the second embodiment of the present invention includes a main body 500 and a fastening part 600 as shown in FIG. 8.

More specifically, as shown in Figs. 8 and 9, the locking device 20 for the insect screen according to the second embodiment of the present invention has a locking jaw formed on one side of the keeper part installed on one side of the chassis frame ( 11) In the locking device for a screen installed on one side of the screen frame corresponding to the locking jaw (11b), the body portion 100 that is formed to be detachably facing each other, and one side is opened to accommodate the locking jaw into the interior, and It includes a fastening portion 200 that is fastened to the locking jaw accommodated in the body portion to limit the movement of the body portion.

Referring to FIG. 9, the main body 500 is a locking device installed on the screen frame, and includes a first casing 510, a second casing 520, and a rotating part 530.

The first casing 510 is formed in a plate shape, and a wall 511 extending in one direction along an edge of the plate is formed, and one side of the wall 511 is opened so that the locking protrusion 11b is inserted.

In addition, the first casing 510 is provided with a hole through which an inner surface is perforated, and is installed by a fixing member on one surface of the screen frame.

The second casing 520 is accommodated in the wall 511, attached to and detached from the first casing 510, and is coupled to a pivoting portion 530 to be described later so that one surface can be pressed.

In addition, the second casing 520 is formed with a grip part protruding in the longitudinal direction on one side of the outer surface, and by pressing or pulling the grip part, the fastening part 600 and the locking protrusion 11b to be described later are separated and locked. Release.

The rotating part 530 has a rotating hole 531 formed by drilling both sides of the wall 511, and the rotating shaft 532 protruding from both sides of the end surface of the second casing 520 corresponding to the rotating hole 531 Is formed.

In particular, as shown in Figs. 9 and 10, the rotating part 530 is connected to the rotating shaft 532 in an annular shape, and the other side is located on the protrusions formed on both sides of the end surface of the second casing 520. When the second casing 520 is rotated by being provided with an elastic wire 533, the second casing 520 is pressed and then rotated to its original position by an elastic repulsion force.

9 and 10, the fastening part 600 is fastened to the locking protrusion 11b accommodated in the body part 500 to limit the movement of the body part 500. To this end, the fastening portion 600 has a plurality of fastening jaws protruding from the other surface of the second casing 520 in correspondence with the locking jaws 11b.

It is preferable that the fastening jaw is formed longer in the width direction than the locking jaw 11b.

As described above, in the detailed description of the present invention, a preferred embodiment of the present invention has been described, but this is illustrative of the most preferred embodiment of the present invention and does not limit the present invention. In addition, it goes without saying that anyone of ordinary skill in the art to which the present invention belongs can make various modifications and imitations within the scope of the technical idea of the present invention.

Accordingly, the scope of the present invention is not limited to the above-described embodiments, but may be implemented in various forms within the scope of the appended claims. And without departing from the gist of the present invention claimed in the claims, anyone of ordinary skill in the art to which the present invention belongs is considered to be within the scope of the description of the claims of the present invention to various ranges that can be modified.

10, 20: Locking device for insect screen
11: Keeper part
11a, 11b: locking jaw
100: main body
110: first casing
111: insertion port
112: support
120: second casing
121: opening
200: fastening part
210: Rotating home
220: main plate
230: pivot shaft
240: fastening jaw
250: elastic wire
300: push button
310: plate
320: push rotation shaft
330: pressing chin
400: stopper
410: first button part
420: second button part
430: brake
440: opening groove
450: opening hole
500: main body
510: first casing
511: wall
520: second casing
530: rotating part
531: meeting hall
532: pivot shaft
533: elastic wire
600: fastening part

Claims (7)

In the locking device for a screen installed on one side of the screen frame in response to the locking jaw is formed and a keeper portion installed on one side of the chassis frame and the locking jaw formed on one side,
The first casing is formed in the shape of a case with one side open, one side is opened to accommodate the locking protrusion, and the second casing is detachable while facing the first casing, and has an opening with one side open in the longitudinal direction. A body portion formed of a casing;
A fastening part that is fastened to the locking projection accommodated in the body part to limit movement of the body part; And
It is disposed rotatably in the opening, including a push button that is rotated by an external force to limit the operation of the fastening portion
Locking device for insect screen.
The method of claim 1,
The fastening part
A rotation groove protruding from the inner surface of the first casing by a predetermined distance;
A plate-shaped main plate disposed between the pivoting grooves;
A rotation shaft protruding from the center of both end surfaces of the main plate and axially coupled to the rotation groove;
A plurality of locking jaws protruding from one surface of the main plate and fastened to the locking jaws; And
One side is connected to the rotation shaft in an annular shape, the other side includes an elastic wire positioned on the protrusion formed at the rear of both sides of the end surface of the main plate,
The fastening jaw is characterized in that formed longer in the width direction than the locking jaw
Locking device for insect screen.
The method of claim 1,
Further comprising a stopper for controlling the operation of the push button,
The stopper is
A first button portion in the shape of a square box;
A second button portion having a cylindrical shape protruding from an end extending in one direction from the first button portion;
A braking unit extending from one surface of the first button unit and bent at an end extending toward an inner surface of the push button;
An opening groove adjacent to the push button and through which one side of the first casing is opened to expose the first button portion; And
A hole is formed by being spaced apart from the opening groove, and including an opening hole through which the second button portion is exposed.
Locking device for insect screen.
The method of claim 3,
As the stopper moves the first button part in one direction while pressing the second button part, the braking part supports the inner surface of the push button, thereby limiting the rotation of the push button, and the fastening part and the locking jaw Characterized in that maintaining the fastened state of
Locking device for insect screen.
In the locking device for a screen installed on one side of the screen frame in response to the locking jaw is formed and a keeper portion installed on one side of the chassis frame and the locking jaw formed on one side,
A main body that faces each other and is detachably formed, and one side is opened to receive the locking protrusion therein; And
Includes a fastening part that is fastened to the locking jaw accommodated in the body part to limit the movement of the body part
Locking device for insect screen.
The method of claim 5,
The body part
A first casing formed in a plate shape and formed with a wall extending in one direction along an edge of the plate, and having one side of the wall open so that the locking projection is inserted;
A second casing that is accommodated in the wall, attached to and detached from the first casing, and presses one surface; And
Both sides of the wall are perforated to form a rotating hole, and including a rotating part having rotating shafts protruding from both sides of the end surface of the second casing corresponding to the rotating hole,
The rotating part is provided with elastic wires, one side connected to the rotation shaft in an annular shape, and the other side located at protrusions formed on both sides of the end surface of the second casing, and when the second casing is rotated, the second casing And then rotated to the original position by the elastic repulsive force.
Locking device for insect screen.
The method of claim 6,
The fastening part
A plurality of fastening jaws protruding from the other surface of the second casing are formed in correspondence with the locking jaws,
The fastening jaw is characterized in that formed longer in the width direction than the locking jaw
Locking device for insect screen.

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