KR101206002B1 - Roll screen of tension control possible - Google Patents

Abstract

PURPOSE: A roll type insect screen with a tension control function is provided to improve assemblability by controlling the tension of a tension spring using a tension control member inserted into a blocking member. CONSTITUTION: A roll type insect screen with a tension control function comprises a body frame(100), a rotation member(200), a support shaft(300), a tension spring(400), blocking members(500), and tension control members(600). A direction and the side surfaces of the body frame are open so that an insect screen can be inserted. The rotation member is installed inside the body frame, and the insect screen is wound around the rotation member. The support shaft is installed inside the rotation member and supports the rotation of the rotation member. One end of the tension spring is rotated with the support shaft, and the other end is rotated with the rotation member. The tension spring rotates the rotation member to the support shaft. The blocking members block the open side surfaces of the body frame. The tension control members are inserted into the blocking members and are connected to the support shaft to control the tension of the tension spring by rotating the support shaft.

Description

Tension control roll screen {ROLL SCREEN OF TENSION CONTROL POSSIBLE}

The present invention relates to a roll screen with adjustable tension, and more particularly to a roll screen with a tension control that can be easily and easily assembled when assembling the product.

In general, insect screens have been used in windows or doorways to block out pests or sunlight from entering the room.

Recently, a roll screen that can control the tension of the insect reel screen is small and convenient to operate, has been developed to be useful.

Patent Publication No. 10-0667879 is published as an example of a roll screen that can adjust the tension as described above.

1 is a structural diagram showing the structure of a conventional roll screen screen can be adjusted tension.

As shown in FIG. 1, the conventional tension screen can be elastically rotated to the outside of the shaft 3 by a torsion spring B wound around the shaft 3 installed in the casing 1. In the configuration configured to increase or decrease the winding speed of the installed rotary roll (2), one side end of the shaft rod (3) is integrally formed in the bearing (4) to be coupled to the inside, the worm wheel (5) The end of the (5) is rotatably welded to the inside of the membrane plate 8 blocked on one side of the casing (1), and disposed horizontally adjacent to the worm wheel (5) in a direction orthogonal to the shaft (3) The tip of the operating rod (7) is exposed through the front surface of the casing (1), and the worm (6) integrally formed in the longitudinal middle of the operating rod (7) is installed to engage the worm wheel (5) In the casing 1, the through hole 91 into which the bearing 4 is inserted is supported. A vertical restraint plate 9 is installed, and annular recessed grooves 71 are formed on both sides of the operating rod 7 with the worm 6 as a boundary, and an upper portion of the inner surface of the vertical restraint plate 9 is formed. Protrusions 94 protruding on both sides were configured to engage the recessed grooves 71 of the operating rod 7, respectively.

The conventional tension screen can be adjusted in the roll screen is configured so that the operating rod 7 is disposed in the casing (1), the rotating roll (2), the bearing (4) and the shaft rod inside the casing (1) (3) and then inserting the operating rod (7) through the through hole (11) of the casing (1), and then to the operating rod (7) on the worm wheel (5) formed in the bearing (4) Roll worms were assembled by engaging the formed worms 6.

However, in the conventional tension-adjustable roll screen, each component does not achieve a modularity, and assembly and workability are not good because each component must be assembled and mounted individually one by one.

The present invention is to solve the above-mentioned problems, it is possible to assemble each part in advance by modularization, and thus it is possible to easily assemble a modular configuration when necessary to adjust the tension to improve the assembly and workability The purpose is to provide a possible roll screen.

In order to achieve the above object, the tension controllable roll screen of the present invention includes: a body frame into which the side and one direction are opened to insert the screen; A rotating member mounted inside the body frame to which the insect screen is wound; A support shaft mounted inside the rotating member to support the rotating member to rotate; A tension spring for wrapping the support shaft and having one end mounted to the support shaft and the other end mounted to the rotation member to rotate the rotation member with respect to the support shaft by an elastic restoring force; Blocking member for blocking the side of the open body frame; A tension control member inserted into the blocking member and connected to the support shaft to adjust the tension of the tension spring by rotating the support shaft; It includes, but the blocking member, the through hole is formed in the direction in which the support shaft is disposed, the mounting portion orthogonal to the through hole is formed in the inward direction and the front opening perpendicular to the through hole and the body frame is disposed is formed The tension adjusting member includes a control rod rotatably inserted into the mounting portion, and the mounting portion has a cross-sectional shape formed in a 'C' shape, and the adjustment rod is mounted to the mounting portion by interference fit. In the rotation center axis of the adjustment rod is characterized in that it is disposed inside the mounting portion.

The tension adjusting member may include: a connection member mounted on one side of the support shaft, and having a worm wheel formed on an outer circumferential surface thereof, the worm wheel being rotatably mounted by being inserted into the through hole; The rod is rotatably inserted and mounted to the mounting portion, and an outer circumferential surface of the adjusting rod having a worm engaging with the worm wheel, wherein the connecting member and the support shaft are rotated by the adjustment rod to adjust the tension of the tension spring. do.

The diameter of the connection member is formed smaller than the diameter of the worm wheel, the inner side of the through hole Support piece for supporting the side of the worm wheel; Is formed, the connecting member is the worm wheel inserted into the through hole is supported by the support piece is prevented from moving to the inside of the blocking member .

The mounting portion is provided with a separation preventing groove, the outer peripheral surface of the adjusting rod is characterized in that the separation preventing projection is inserted into the separation preventing groove to prevent the control rod is separated in the axial direction.

At the inner end of the mounting portion is a separation prevention hole is formed in the axial direction of the adjusting rod, the end of the adjusting rod is inserted into the separation preventing hole, characterized in that the end of the adjusting rod is prevented from being separated in the support shaft direction .

In addition, the mounting portion is formed in the cross-sectional shape of the 'C' shape, the adjustment rod is mounted to the mounting portion forcibly fitted, the rotation center axis of the adjustment rod in the state in which the adjustment rod is mounted to the mounting portion is inside the mounting portion It is characterized in that the arrangement.

According to the roll screen that can adjust the tension of the present invention as described above has the following effects.

The tension control member is inserted into the blocking member so as to be connected to the support shaft to adjust the tension of the tension spring, so as to assemble the roll screen, the tension control member and each component are assembled in advance in the blocking member and modularized. After forming, simply plugging the blocking member to the body frame can be easily and simply assembled, there is an effect of easy assembly and mounting.

After assembling the connecting member and the adjusting rod of the tension adjusting member to the through-hole and the mounting portion of the blocking member to form a module, the blocking member may be coupled to the body frame. There is an effect that can be easily assembled.

In addition, the control rod and the connecting member is engaged to be engaged with the worm and the worm wheel, so that the connecting member can not be rotated arbitrarily by the tension of the tension spring.

Since the worm wheel inserted into the through hole is supported by the support piece and does not move inside the blocking member, there is an effect of preventing the connecting member from being separated from the blocking member in the supporting shaft direction.

The release preventing projection is inserted into the release preventing groove, there is an effect that the control rod is not separated from the blocking member toward the front of the adjustment rod.

An anti-separation hole is formed at the inner end of the mounting portion, and the end of the adjusting rod is inserted into the anti-separation hole so that the adjusting rod is not easily separated from the mounting portion in the supporting shaft direction.

The diameter D3 of the adjusting rod is larger than the width L1 of the open portion of the mounting portion and smaller than the inner maximum width L2 of the mounting portion.

1 is a structural diagram showing a structure of a conventional roll screen screen can be adjusted tension.
Figure 2 is a perspective view showing a state of use of the roll screen can be adjusted tension according to an embodiment of the present invention.
Figure 3 is an exploded perspective view showing the structure of the roll screen can be adjusted tension according to an embodiment of the present invention.
Figure 4 is an exploded perspective view showing the structure of the tension control member and the blocking member of the roll screen is adjustable tension in accordance with an embodiment of the present invention.
FIG. 5 is a sectional view taken along AA in FIG. 2; FIG.
Figure 6 is a cross-sectional view showing a coupling member coupled to the blocking member of the roll screen can be adjusted tension according to an embodiment of the present invention.
FIG. 7 is a sectional view taken along line BB of FIG. 2; FIG.
8 is a plan view showing a state in which the control rod is mounted on the blocking member of the roll screen can be adjusted tension according to an embodiment of the present invention.
Figure 9 is a cross-sectional view showing a state in which the adjustment rod and the shape of the mounting portion of the roll screen can be adjusted tension according to an embodiment of the present invention.

Figure 2 is a perspective view showing a state of use of the tension screen can be adjusted tension according to an embodiment of the present invention, Figure 3 is an exploded perspective view showing the structure of the roll screen can be adjusted tension according to an embodiment of the present invention, Figure 4 5 is an exploded perspective view showing the structure of the tension control member and the blocking member of the roll screen according to an embodiment of the present invention, Figure 5 is a cross-sectional view taken from AA in Figure 2, Figure 6 is an embodiment of the present invention According to an embodiment of the present invention, a cross-sectional view showing a state in which the connecting member is coupled to the blocking member of the roll screen that is capable of tension adjustment, FIG. 7 is a cross-sectional view taken from BB of FIG. 9 is a plan view showing a state in which the control rod is mounted on the blocking member of the roll screen, Figure 9 is a shape of the mounting portion and the control rod of the roll screen can be adjusted tension according to an embodiment of the present invention It is a cross-sectional view showing the sum.

As shown in Figure 2 to Figure 9 the tension screen of the present invention can be adjusted to the roll screen, the body frame 100, the rotating member 200, the support shaft 300, the tension spring 400, the blocking member 500 And a tension adjusting member 600.

The body frame 100 has an open side and one direction as shown in FIG.

In this embodiment, the part opened in one direction was formed in the downward direction of the body frame 100.

In the interior of the body frame 100, as shown in Figs. 3 and 5, the insect screen (A), the rotating member 200, the support shaft 300 and the tension spring 400 is disposed, the side In the blocking member 500 is coupled to the open portion to the bottom as shown in Figure 2 the insect screen (A) is in and out.

The rotating member 200 is formed in a hollow shape as shown in Figures 3 and 5, the outer circumferential surface is equipped with the screen (A) is mounted inside the body frame 100.

The rotating member 200 is rotated by the tension of the tension spring 400 to be described later while the insect screen (A) is wound and unwind through the open portion in one direction of the body frame 100.

The support shaft 300 is formed in a rod shape as shown in FIGS. 3 and 5.

The support shaft 300 is mounted inside the rotating member 200 as shown in FIG. 5 to support the rotating member 200 to rotate.

That is, the support shaft 300 is mounted inside the rotating member 200 such that the rotating member 200 rotates by the tension of the tension spring 400 and the rotating member 200. 200).

And the support shaft 300 is rotated by the tension adjustment member 600 to be described later to adjust the tension of the tension spring (400).

The tension spring 400 is formed as a coil spring as shown in Figure 3 and 5 is mounted to surround the support shaft 300.

That is, the tension spring 400 surrounds the support shaft 300 to be disposed between the support shaft 300 and the rotating member 200 as shown in FIG. 5.

5, one end of the tension spring 400 is mounted to the support shaft 300, and the other end of the tension spring 400 is mounted to the rotating member 200.

That is, one end of the tension spring 400 is mounted to rotate together with the support shaft 300, and the other end is mounted to rotate together with the rotating member 200.

When the other end of the tension spring 400 is mounted to the rotating member 200, the coupling member 210 inside the rotating member 200 through the coupling member 210 as shown in Figs. ) Is slidingly moved so that the other end of the tension spring 400 is mounted inside the rotating member 200.

When the tension spring 400 mounted as described above is applied by applying an external force to the insect screen A wound around the outer circumferential surface of the rotating member 200, one end of the tension spring 400 is fixed to the support shaft 300. The other end of the tension spring 400 fixedly mounted to the rotating member 200 is rotated.

And when the tension spring 400 is rotated to try to return to the original state is generated, and the fixed screen (A) is not fixed after the expansion of the screen (A) by this tension, the rotating member 200 is rotated while The insect repellent net (A) is wound around the outer circumferential surface of the rotating member 200 to wind the insect repellent net (A).

That is, the screen (A) is wound on the outer circumferential surface of the rotating member 200 by rotating the rotating member 200 by the tension of the tension spring 400.

The blocking member 500 blocks the side surface of the body frame 100, as shown in Figures 2, 3 and 5.

And the blocking member 500 is inserted into the tension adjustment member 600 which will be described later.

The blocking member 500 has a through hole 510 and a mounting portion 520, as shown in FIG.

The through hole 510 is formed to penetrate as shown in FIG. 3 in the direction in which the support shaft 300 is disposed.

The mounting portion 520 is formed to be orthogonal to the through hole 510 as shown in FIG. 4.

The mounting portion 520 is in the blocking member 500 The body frame 100 is formed to be opened in a forward direction perpendicular to the inward direction and the through hole 510 is disposed.

The tension adjusting member 600, which will be described later, is mounted in the through hole 510 and the mounting portion 520, which will be described later.

The tension adjusting member 600 is inserted into the blocking member 500 as shown in FIGS. 3 and 4 to be connected to the support shaft 300.

The tension control member 600 adjusts the tension of the tension spring 400 by rotating the support shaft (300).

More specifically, the tension adjusting member 600 is inserted into the blocking member 500 to rotate the support shaft 300, the tension spring 400 is fixedly mounted to one end of the support shaft 300. Rotating the tension spring 400 to adjust the tension of the tension spring 400 to adjust the force of the insect screen (A) is wound on the outer peripheral surface of the rotating member (200).

The tension adjusting member 600 is composed of a connecting member 610 and the adjusting rod 620 as shown in Figure 3 and 4.

The connecting member 610 is mounted to one side of the support shaft 300 as shown in Figures 3 and 5 are rotatably mounted to the blocking member 500.

At this time, the connection member 610 and the support shaft 300 is mounted to rotate together.

A worm wheel 611 is formed on the outer circumferential surface of the connection member 610 as shown in FIG. 4.

As shown in FIG. 5, the worm wheel 611 is inserted into the through hole 510 so that the connection member 610 is rotatably mounted with respect to the blocking member 500.

The adjustment rod 620 is rotatably inserted into the mounting portion 520 as shown in FIGS. 2 to 4.

A worm 621 is formed on the outer circumferential surface of the adjusting rod 620 as shown in FIGS. 3 and 4.

The worm 621 is engaged with the worm wheel 611 of the connecting member 610, as shown in Figure 7, and rotates the adjusting rod 620 causes the connecting member 610 to rotate.

In more detail, the worm 621 is engaged with the worm wheel 611 of the connection member 610 to intersect the connection member 610 and the support shaft 300 by the rotation of the adjustment rod 620. Rotation to adjust the tension of the tension spring (400).

In addition, the connecting member 610 and the adjusting rod 620 are engaged with the worm 621 and the worm wheel 611 so that the support shaft 300 is arbitrarily selected by the tension of the tension spring 400. You won't be able to rotate.

As such, the connection member 610 and the adjustment rod 620 are inserted into the through hole 510 and the mounting portion 520 of the blocking member 500 to rotate the support shaft 300, thereby After the tension control member 600 is inserted into the blocking member 500 and then mounted, the blocking member 500 is coupled to the body frame 100 to assemble a roll screen capable of adjusting tension as shown in FIG. 2. As a result, it is possible to provide a consumer with a roll screen with a tension control that can be easily and simply assembled.

On the other hand, the diameter (D1) of the connecting member 610 is formed smaller than the diameter (D2) of the worm wheel 611 as shown in Figure 6 (a).

The support piece 511 is formed inside the through hole 510 of the blocking member 500.

The support piece 511 supports the inside of the worm wheel 611 larger than the diameter of the connection member 610 inserted into the through hole 510 as shown in FIG. The member 610 is prevented from moving to the inside of the blocking member 500 in the through hole 510.

As such, the connecting member 610 prevents the support member 511 from moving in the through hole 510 such that the worm wheel 611 does not move in the direction of the support shaft 300. ) Is not moved in the blocking member 500 in the direction of the support shaft (300).

2 to 6, the worm wheel 611 inserted into the through hole 510 is coupled to the outside of the blocking member 500 to the outside of the blocking member 500. That is, it does not fall to the opposite side of the support piece 511.

The coupling member 610 is coupled to the through hole 510 from the outside of the blocking member 500 to the inside of the blocking member 500, and then blocked by the blocking plate 501 to block the connecting member 610 with the blocking member 500. It is desirable to be able to assemble easily and simply.

In addition, the mounting part 520 is provided with a departure prevention groove 521 as shown in Figures 4, 7 and 8.

And the outer circumferential surface of the control rod 620, as shown in Figures 4, 7 and 8 is a departure prevention protrusion 622 is formed.

The departure preventing protrusion 622 is inserted into the departure prevention groove 521 as shown in Figure 7 the control rod 620 is formed in the axial direction, that is, the front of the control rod 620 It prevents the departure from the mounting portion 520.

That is, when the release preventing projection 622 is inserted into the departure prevention groove 521 and the control rod 620 rotates to rotate the worm wheel 611 engaged with the worm 621, the control rod ( 620 does not deviate in the axial direction of the adjusting rod 620, that is, the adjusting rod 620 is rotated in place without being separated from the mounting portion 520 of the blocking member 500.

In addition, the inner end of the mounting portion 520, as shown in Figures 4, 7 and 8, the separation prevention hole 522 is formed in the axial direction of the control rod 620.

The end of the control rod 620 is inserted into the escape prevention hole 522 is formed so that the end of the control rod 620 is not separated in the direction of the support shaft 300 as shown in FIG.

In more detail, as described above, the mounting portion 520 is formed to be opened in the inward direction in which the body frame 100 is disposed and forwardly orthogonal to the through hole 510. The insertion portion 520 is inserted into the mounting portion 520. The end of the control rod 620 to be mounted is inserted into the separation prevention hole 522 so that the body frame 100 is not separated in the inward direction.

At this time, when the separation prevention groove 521 is formed in the mounting portion 520, and the separation prevention projection 622 is formed in the control rod 620, as shown in Figure 8 (a) After inserting the end of the control rod 620 inclined to the release prevention hole 522, by pushing the remaining portion of the control rod 620 in the mounting portion 520 direction as shown in Figure 8 (b) As shown in FIG. 8 (c), the separation preventing protrusion 622 of the adjusting rod 620 is inserted into the separation preventing groove 521 of the mounting part 520, and thus the separation preventing hole 522 is inserted into the separation preventing hole 522. It is preferable to combine the end of the adjustment rod 620 is inserted.

As such, the end of the control rod 620 is inserted into the departure prevention hole 522 is not separated from the mounting portion 520, the front end of the control rod 620 is shown in Figure 2 the body Since the blocking member 500 is coupled to the body frame 100 to be in contact with the side of the frame 100, the adjusting rod 620 is arbitrarily disposed in the mounting part 520 in the inward direction of the body frame 100. It will not break away.

On the other hand, the mounting portion 520 is a cross-sectional shape is formed in a 'C' shape as shown in FIG.

That is, the mounting portion 520 has a width (L1) of the portion opened in the body frame 100 direction as shown in Figure 9 (a) is formed smaller than the inner maximum width (L2) of the mounting portion 520 do.

And the adjustment rod 620 is mounted to the mounting portion 520 by interference fit, as shown in Figure 9 (b) the control rod 620 is mounted on the mounting portion 520 the control rod The center of rotation X of 620 is disposed inside the mounting part 520.

More specifically, as shown in Figure 9 (a) the diameter (D3) of the adjusting rod 620 is larger than the width (L1) of the open portion of the mounting portion 520 of the 'C' shape, It is formed smaller than the inner maximum width (L2) of the mounting portion 520 by the interference fit to the mounting portion 520, that is, by the external force, as shown in Figure 9 (b) of the center of rotation of the rod (620) ( X) is inserted and mounted by interference fit so as to be disposed inside the mounting portion 520.

As such, the adjustment rod 620 is mounted to the mounting portion 520 of the 'C' shape by interference fit, and after the adjustment rod 620 is mounted on the blocking member 500, optionally the adjustment rod ( Since the 620 does not come out of the mounting part 520, the tension adjusting member 600 may be inserted into the blocking member 500 so as to be easily mounted to the body frame 100.

Unlike the present embodiment, the mounting portion 520 may be formed to have a width L1 and L2 equal to or slightly larger than the diameter D3 of the adjustment rod 620 instead of the 'C' shape. .

However, if formed as described above, since the control rod 620 inserted into the mounting portion 520 is easily detached from the mounting portion 520, after inserting the control rod 620 into the mounting portion 520 When assembling the blocking member 500 to the body frame 100, when the inner direction of the blocking member 500 is directed downward, the adjusting rod 620 is randomly separated from the mounting part 520. Inconvenience when the blocking member 500 is assembled to the body frame 100 follows.

Therefore, as shown in this embodiment, the cross-section of the mounting portion 520 is formed in a 'C' shape by mounting the control rod 620 by interference fit, the control rod 620 is arbitrarily in the mounting portion 520 It is desirable not to deviate.

In the present embodiment, the tool bar 623 is formed at the front end of the control rod 620 as shown in FIGS. 2 to 4 so that the control rod 620 is not exposed from the blocking member 500. After coupling the tool to the tool groove 623, the control rod 620 was to rotate.

However, unlike the present embodiment, the front end of the control rod 620 is exposed from the blocking member 500 to hold the exposed portion by hand to rotate the control rod 620 to tension the tension spring 400 You can also make adjustments.

It will be described in detail the assembly process and the use state of the roll screen can be adjusted tension of the present invention made of such a configuration.

The worm wheel 611 of the connecting member 610 is inserted into the through hole 510 of the blocking member 500, as shown in Figure 6 so that the side surface of the worm wheel 611 to the support piece 511 Insert it in contact.

Thereafter, as shown in FIGS. 2 and 5, the blocking member 501 is coupled to the outer surface of the blocking member 500 so that the connection member 610 does not fall out of the blocking member 500.

As shown in FIG. 8, the adjustment rod 620 is mounted to the mounting portion 520.

The mounting bar 620 is mounted so that the departure prevention protrusion 622 is inserted into the departure prevention groove 521 is not separated from the mounting portion 520 in the front direction of the adjustment rod 620.

And because the end of the control rod 620 is inserted into the separation prevention hole 522 and coupled to the control rod 620 does not fall in the inner direction of the blocking member 500.

In addition, as shown in FIG. 9, the cross section of the mounting portion 520 is formed in a 'C' shape such that the adjusting rod 620 mounted to the mounting portion 520 is not detached from the mounting portion 520. do.

As such, the tension adjusting member 600 is inserted into the blocking member 500 so that the tension adjusting member 600 and the blocking member 500 form a single module. The blocking member 500 is ready to be easily assembled to the body frame 100.

After assembling like this, the support shaft 300 is coupled to the connection member 610 to rotate together.

Thereafter, the tension spring 400 is inserted to surround the support shaft 300, and then one end of the tension spring 400 is coupled to the connection member 610 that rotates together with the support shaft 300. , The other end is coupled to the coupling member (210).

The rotating member 200 is coupled to the rotating member 200 by sliding the coupling member 210 to the outer circumferential surface of the side of the body frame 100 opened in one direction by sliding the coupling member (210). After inserting the support shaft 300 and the tension spring 400 into the body frame 100 as shown in FIG. 5, the blocking member 500 is illustrated in FIGS. 2 and 5. As it is coupled to the side of the body frame 100, the assembly is completed.

This assembling process has been described as an example, and the order of assembling may be variously changed as necessary.

Since the tension adjusting member 600 is inserted into the blocking member 500 and thus mounted, the blocking member 500 is mounted on the body frame 100 so that the module can be modularized without losing or moving parts. It is possible to assemble a roll screen that can be adjusted tension.

In the state of use, when the force to wind the insect screen (A) to the rotating member 200 is weak, by coupling the tool to the tool groove 623 to rotate the control rod 620 in one direction, the worm 621 ) And the worm wheel 611 is engaged, so that the connection member 610 is rotated, thereby the support shaft 300 is rotated so that one end of the tension spring 400 is rotated of the tension spring 400 Increasing the tension is to increase the force that the insect screen (A) is wound on the rotating member (200).

When the insect repellent net (A) has a strong winding force on the rotating member 200, it is enough to rotate the control rod 620 in the other direction as opposed to the above.

In the present invention, the insect screen is described as a transfer material, it can be applied to the roll screen instead of the insect screen.

The roll insect screen that can adjust the tension of the present invention is not limited to the above-described embodiment, it can be carried out by various modifications within the range that the technical idea of the present invention is allowed.

100: body frame 200: rotating member 210: coupling member
300: support shaft 400: tension spring 500: blocking member
501: blocking plate 510: through hole 511: support piece
520: mounting portion 521: separation prevention groove 522: separation prevention hole
600: tension adjusting member 610: connecting member 611: worm wheel
620: adjusting rod 621: worm 622: departure prevention protrusion
623: Toolway A: Screen

Claims (6)

A body frame in which one side and one direction are open and an insect screen is inserted;
A rotating member mounted inside the body frame to which the insect screen is wound;
A support shaft mounted inside the rotating member to support the rotating member to rotate;
A tension spring for wrapping the support shaft and having one end mounted to the support shaft and the other end mounted to the rotation member to rotate the rotation member with respect to the support shaft by an elastic restoring force;
Blocking member for blocking the side of the open body frame;
A tension control member inserted into the blocking member and connected to the support shaft to adjust the tension of the tension spring by rotating the support shaft; , ≪ / RTI >
In the blocking member, a through hole is formed in a direction in which the support shaft is disposed, and a mounting portion orthogonal to the through hole is formed to open inwardly in a direction perpendicular to the inward direction and the through hole in which the body frame is disposed,
The tension adjusting member includes a control rod rotatably inserted into the mounting portion,
The mounting portion is formed in the cross-sectional shape 'C' shape,
In the state in which the adjustment rod is mounted to the mounting portion by the force of the central axis of rotation of the adjustment rod is tension controllable roll screen, characterized in that disposed on the inside of the mounting portion. The method according to claim 1,
The tension control member,
A connection member mounted on one side of the support shaft, and having a worm wheel formed on an outer circumferential surface thereof, the worm wheel being rotatably mounted in the through hole;
Is rotatably inserted and mounted to the mounting portion, the outer circumferential surface is formed of a control rod formed with a worm to engage the worm wheel;
Roll tension screen is adjustable tension, characterized in that for adjusting the tension of the tension spring by rotating the connecting member and the support shaft by the adjustment rod. The method according to claim 2,
The diameter of the connection member is formed smaller than the diameter of the worm wheel,
The inside of the through hole is Support piece for supporting the side of the worm wheel; Is formed,
The connecting member has the worm wheel inserted into the through hole is supported by the support piece is prevented from moving inside the blocking member The roll screen can be adjusted tension. The method according to claim 1 or 2,
Detachment groove is formed in the mounting portion,
The tension screen of the tension control is characterized in that the outer circumferential surface of the control rod is inserted into the separation prevention groove is formed with a separation prevention projection to prevent the control rod is separated in the axial direction. The method according to claim 1 or 2,
At the inner end of the mounting portion, the separation prevention hole is formed in the axial direction of the adjusting rod,
The end of the control rod is inserted into the separation prevention hole, the tension screen is capable of adjusting the tension roll, characterized in that the end of the control rod is prevented from being separated in the direction of the support shaft. The method according to claim 1,
The diameter (D3) of the adjusting rod is larger than the width (L1) of the open portion of the mounting portion, the tension screen is roll control screen, characterized in that formed smaller than the inner maximum width (L2) of the mounting portion.

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