JP3804018B2 - Winding screen device and method for replacing screen in the device - Google Patents

Description

  The present invention relates to a roll-up screen device that facilitates screen replacement and a screen replacement method in the device.

Conventionally, one end of the screen is fixed to a slidable operating rod on the screen frame, and the other end of the screen is fixed to a winding shaft that is rotated by a spring biasing force in the winding box. A take-up screen device in which the screen is wound around a take-up shaft is generally well known, without needing to give an example. In this type of screen device, when the screen is torn, torn, etc., or becomes dirty due to long-term use and it is necessary to replace the screen, generally, the entire take-up shaft around which the screen is wound is replaced. Or, it was handled by replacing the entire take-up box. However, in these methods, since there is no need to replace the members other than the screen, there is a problem that not only is there a lot of waste, but also the cost for replacing the screen becomes high. .
Although it is possible to replace the screen by the user himself, in that case, even if the existing screen can be removed from the take-up shaft, a new screen can be attached to the take-up shaft. The screen needs to be attached to the take-up shaft in a straight state so as not to become wrinkles, and the work requires skill. Therefore, it is extremely difficult for the user himself to replace only the screen.

On the other hand, it is possible to have only the screen replaced by sending the above screen including the winding shaft or winding box to the manufacturer, but not only is it necessary to send the screen to the manufacturer, but also the replacement of the screen. In addition, it takes a lot of time and money to return the product, and moreover, since the replacement of the screen requires skill, it is pointed out that even if only the screen is replaced, the cost increases as a result.
In view of the above, there is a need for a roll-up screen device and a screen replacement method that allow a user to replace only the screen easily and inexpensively.

  In view of the above, the technical problem of the present invention is that one end of the screen is fixed to a slidable operating rod on the screen frame, and the other end of the screen is rotated in the winding box by the biasing force of the spring. In a take-up screen device that is fixed to a take-up shaft and winds the screen onto the take-up shaft with the urging force, the user can replace only the screen easily and inexpensively when replacing the screen. An object of the present invention is to provide a roll-up type screen device and a method for replacing the screen.

The winding screen device of the present invention for solving the above-mentioned problems is characterized in that one end of the screen is fixed to a slidable operating rod on the screen frame and the other end of the screen is urged by a spring in the winding box. In the take-up type screen device fixed to the take-up shaft that is rotated by the above-described method and winding the screen onto the take-up shaft by the urging force, one end of the screen is detachable from the operation rod, and at least the take-up box a portion along the entire length of the winding shaft, and can be opened by a removable cover, in the take-up shaft, and attaching a fixing means for temporarily inoperative the biasing force of the spring for winding upon a screen detachable As the fixing means, a screw that is screwed into the winding shaft and is fastened to a fixing shaft that is inserted into the winding shaft is used. In all stretched state of the screen is held by the frame body facing the take box, it is characterized in that provided at a position facing the opening of the cover in the winding box.

Further, in order to solve the above-mentioned problems, the screen replacement method in the winding screen device of the present invention is such that a winding shaft that is rotated by a biasing force of a spring in the winding box is screwed into the winding shaft. Temporarily fix it to the fixed shaft inserted into the winding shaft with a screw to remove one end of the existing screen to be replaced from the slidable operation rod on the frame, and connect the other end of the screen to the fixed shaft. Remove from the winding shaft, and then fix one end of the replacement screen to the operating rod, and hold the operating rod on the frame opposite the winding box. It is characterized in that the winding shaft is fixed to the winding shaft in a state in which it is tensioned, and then the temporary fixing of the winding shaft is released.

In a preferred embodiment of the winding screen device of the present invention, the length of the screen and the replacement screen is wound in the full tension state of the screen in which the operation rod is held by the frame facing the winding box. It is appropriate to set the fixed end to the shaft so as to face the opening of the cover in the winding box.
Further, the cover in the winding box can be formed by a portion that reaches the front side of the winding box, including a slit edge on the front side that forms a slit that leads the screen out of the winding box. An engaging member can be attached to the end of the screen and the replacement screen, and the member can be engaged with a screen end holding member that elastically engages with the operating rod.

  On the other hand, in the screen replacement method in the winding screen device of the present invention, the length of the screen and the replacement screen is the same as the length of the screen in which the operation rod is held by the frame facing the winding box. The fixed end to the winding shaft is set to a position facing the opening of the cover in the winding box, and the removal of the existing screen from the winding shaft and the fixing of the replacement screen to the winding shaft are performed as described above. Performing through the opening part of the cover of the winding box is effective in increasing the ease and certainty of the screen replacement work.

  According to the winding screen device and the screen replacement method in the device, when replacing the screen, only the screen is replaced without replacing unnecessary members such as a winding shaft and a winding box. Can do. That is, the winding shaft that is rotated by the urging force of the spring in the winding box is temporarily fixed, and one end of the existing screen to be replaced is removed from the slidable operation rod on the frame, The other end of the screen is removed from the winding shaft, and then the other end of the screen is fixed in a state where one end of the replacement screen is fixed to the operating rod and the operating rod is held by the frame facing the winding box. The user can easily replace only the screen by a very simple procedure of fixing the take-up shaft to the take-up shaft in a state where it is fully tensioned and then releasing the take-up shaft temporarily. As a result, the screen of the roll-up screen device can be easily and inexpensively replaced.

  BEST MODE FOR CARRYING OUT THE INVENTION A best mode for carrying out a winding screen device according to the present invention and a method for replacing a screen in the device will be described in detail with reference to the drawings. FIG. 1 and FIG. 1 shows an overall configuration of a screen-type screen device. In this embodiment, a screen-type screen device that can open and close a screen wound around a wind-up shaft in a laterally retracted manner is provided for light shielding and heat insulation in a building opening. The screen device of the present invention is not limited to the horizontal pulling type, but can also be applied to a screen device that opens and closes in the vertical direction. The present invention is not limited to the above applications, and can also be applied to a front surface of a shelf, a dustproof screen device for an opening portion of a trolley used to distribute a dining table, and the like.

The screen device shown in FIGS. 1 and 2 includes a screen frame 2 installed in an opening of a building, and a rotatable winding shaft 14 around which a screen 12 is wound around one side frame 4 of the screen frame 2. It consists of a winding box that supports it.
The screen frame 2 is configured by connecting the upper and lower frames 8 and 10 connected to the upper and lower ends of the side frame 4 and the other side frame 6, which is a frame body facing the side frame 4, to each other. The coil spring 16 is incorporated in the winding shaft 14 in the winding box constituting the side frame 4, and the rotational biasing force due to the twist of the coil spring 16 is used as a drive source for winding the winding shaft 14. The screen 12 is configured to automatically open while being guided by the upper and lower frames 8 and 10 of the screen frame 2, and at the tip of the screen 12, the upper and lower frames 8 and 10 used for opening and closing the screen 12 are provided. A slidable operation rod 18 is attached, and a hook (not shown) attached to the operation rod 18 is engaged with the side frame 6 when the screen 12 is stretched so that the screen 12 can be held in the stretched state. To have.

  In the side frame 4 constituting the winding box, a part along the entire length of the winding shaft 14 can be opened by a detachable cover 4A. That is, as can be seen from FIG. 2, the cover 4 </ b> A in the side frame 4 includes a front-side slit edge 4 a forming a slit 5 for leading the screen 12 from the side frame 4. It is formed by the part that reaches the side. The cover 4A is attached to the front edge of the side frame 4 so that it can be opened and closed by rotation, but can be fixed by other means. Further, the open range of the side frame 4 by the cover 4A can be freely selected as a range that does not hinder the work such as the attachment / detachment of the screen 12 or the temporary fixing of the winding shaft 14, but the screen 12 can be easily used. In consideration of easy attachment and detachment, it is desirable that the slit edge 4a on the front side of the slit 5 is also part of the cover 4A.

As shown in FIG. 2, the screen 12 is provided with an engaging member 20 at the end fixed to the operating rod 18, and the engaging member 20 is engaged with the screen end holding member 22, Is elastically engaged with the operating rod 18 so that the end of the screen 12 is detachably attached to the operating rod 18.
The length of the screen 12 is such that the fixed end to the winding shaft 14 serves as a winding box when the screen 12 is stretched with the operating rod 18 held on the side frame 6 facing the side frame 4. The side frame 4 is set so as to face the opening of the cover 4A.
As the engagement member 20, for example, not only a strip of a synthetic resin having a simple protrusion on one side end, but also one of halves joined to each other of a slide fastener, or a member corresponding thereto Can be used as is. Further, half of the slide fastener or other flexible engagement strip is fixed to the upper and lower ends of the screen 12 and is engaged with the slits of the rails provided on the upper and lower frames 8 and 10 of the screen frame 2. It can also be made.

  As clearly shown in FIG. 1, the winding shaft 14 is supported at both ends by brackets 24 and 26 at the upper and lower ends of the side frame 4 constituting the winding box via support members 28 and 30, respectively. Has been. The take-up shaft 14 has a fixed shaft 32 inserted therein, and one end of the fixed shaft 32 protruding upward from the take-up shaft 14 is fixedly supported by the bracket 24 at the upper end of the side frame 4. One end of the coil spring 16 is screwed and fixed to the fixed shaft 32 with a screw 34, and the other end of the coil spring 16 is rotatable to the fixed shaft 32 and fixed to the take-up shaft 14. 36 is fixedly attached. Therefore, the winding shaft 14 of the screen 12 is connected to the fixed shaft 32 fixed to the bracket 24 via the coil spring 16.

When the screen 12 is attached and detached, the support member 28 of the winding shaft 14 is screwed with a screw 38 that constitutes a fixing means that temporarily disables the urging force for winding the screen 12 by the coil spring 16. Has been established. The screw 38 is positioned so as to face the open portion of the cover 4A in the side frame 4 in the fully stretched state of the screen 12 in which the operating rod 18 is held by the side frame 6 facing the side frame 4 as a winding box. In relation to the length of the screen 12 described above, when the fixed end of the screen 12 to the winding shaft 14 comes to a position facing the opening of the cover 4A, the screw 38 also has the opening. The screw 12 is screwed into the winding shaft 14 and fixed to a fixed shaft 32 inserted into the winding shaft 14. the winding shaft 14 a biasing force is applied in the winding direction that are to be temporarily fixed.

  When replacing the screen 12 in the winding screen device having the above-described configuration, first, the operating rod 18 is held by the side frame 6 facing the side frame 4 constituting the winding box, so that the screen 12 is entirely removed. Next, the cover 4A on the front surface of the side frame 4 is opened, and the screw 38 screwed on the winding shaft 14 is tightened from the opening portion of the cover 4A in the side frame 4 to tighten the winding shaft 14. By fixing to the fixed shaft 32 inserted inside, the urging force for winding the screen 12 by the coil spring 16 is inactivated, and the winding shaft 14 is temporarily fixed (FIG. 3 ( a)). Then, one end of the existing screen 12 to be replaced is removed from the operation rod 18 by releasing the engagement of the screen end holding member 22 engaged with the operation rod 18, and the other end of the screen 12 is wound up. The screen 14 is removed from the shaft 14 (see FIG. 3B), and then the screen 12 is pulled out from the opening of the cover 4A in the side frame 4 (see FIG. 3C). Since the screen end holding member 22 engaged with the engaging member 20 at the end of the existing screen 12 can be attached to the engaging member 20 of the replacement screen 12 and reused, it is removed from the engaging member 20 of the screen 12 (see FIG. 3 (d)).

  Next, the screen end holding member 22 at the end of the screen 12 removed as described above is engaged with the engaging member 20 at the end of the replacement screen 12 (see FIG. 4A), and the screen end holding member 22 is moved. The end of the attached screen 12 is guided between the upper and lower frames 8 and 10 of the screen frame 2 from the outside of the winding shaft 14 through the back of the winding shaft 14 (see FIG. 4B). When the flexible engagement strips at the upper and lower ends of the screen 12 are engaged with the upper and lower frames 8 and 10, it is necessary to introduce the screen 12 through this path. Otherwise, the screen 12 may be introduced by an arbitrary method. it can. Next, by engaging the screen end holding member 22 at the front end with the operating rod 18 held by the side frame 6, one end of the replacement screen 12 is fixed to the operating rod 18, and the other end of the screen 12 is fixed. The operating rod 18 is held on the side frame 6 and fixed to the winding shaft 14 in a state where the operating rod 18 is fully tensioned (see FIG. 4C). By loosening the screw 38 fixed to the fixed shaft 32 in 14, the winding shaft 14 is temporarily fixed (see FIG. 4D).

At this time, the length of the existing screen 12 and the replacement screen 12 is fixed to the winding shaft 14 when the screen 12 is stretched with the operating rod 18 held on the side frame 6 facing the side frame 4. Is positioned so as to face the open portion of the cover 4A in the side frame 4, the removal of the existing screen 12 from the winding shaft 14 and the fixing of the replacement screen 12 to the winding shaft 14 are performed as described above. This can be done through the opening of the cover 4A of the side frame 4, and the replacement work of the screen 12 becomes extremely easy.
For fixing the end of the screen 12 to the winding shaft 14, various means that are easy to operate can be adopted, but it is also appropriate to use a double-sided adhesive tape, for example.
In addition, the screen 12 has an engagement member 20 attached to the end of the operation rod 18 in advance, and is engaged with the screen end holding member 22 before being elastically engaged with the operation rod 18. Therefore, even if it is not an expert, it can fix to the operating rod easily and correctly, and also the other end of the screen 12 can be fixed to the winding shaft 14 with one end accurately attached to the operating rod 18. In a fixed state, the screen 12 may be tensioned on the entire surface and fixed to the winding shaft 14 by means such as adhesion. Therefore, the screen 12 can be easily mounted on the entire surface so as not to become wrinkles.

  According to the winding screen device having the above-described configuration and the screen replacement method in the device, when the screen 12 is replaced, a member that does not require replacement, such as the winding shaft 14 and the side frame 4 constituting the winding box, is used. Only the screen 14 can be exchanged without exchange. That is, the winding shaft 14 that is rotated by the urging force of the coil spring 16 in the side frame 4 is temporarily inactivated by tightening the screw 38, and the existing screen 12 to be replaced is replaced. One end is removed from the operating rod 18 slidable on the upper and lower frames 8, 10 of the screen frame 2, the other end of the screen 12 is removed from the winding shaft 14, and then one end of the replacement screen 12 is attached to the operating rod 18. With the operating rod 18 held by the side frame 6 facing the side frame 4, the other end of the screen 12 is fixed to the winding shaft 14 in a state where it is fully tensioned. Then, the user can easily replace only the screen 12 by a very easy procedure of subsequently loosening the screw 38 and releasing the temporary fixing of the winding shaft 14. It is possible, as a result, it is possible to easily and inexpensively replace the screen 12 of the retractable screen device.

It is a partial fracture front view of the winding type screen device concerning the present invention. FIG. 2 is a plan sectional view of FIG. 1. It is a top view explaining from the place which makes the screen tension state in the removal procedure of a screen until fixing a winding axis | shaft temporarily. It is a top view explaining until it removes the screen in the removal procedure of a screen. It is a top view explaining until it pulls out a screen from the side frame which comprises the winding box in the removal procedure of a screen. It is a top view explaining until it removes a screen end holding member from the edge part of the screen in the removal procedure of a screen. It is a top view explaining until a screen end holding member is engaged with the edge part of the screen for replacement | exchange in the installation procedure of a screen. It is a top view explaining until it guide | induces a screen in the screen frame in the attachment procedure of a screen. It is a top view explaining until it fixes the other end to a winding axis | shaft while fixing one end of the screen to the operating rod in the screen attachment procedure. It is a top view explaining until it cancels | releases temporary fixation of the winding axis | shaft in the attachment procedure of a screen.

Explanation of symbols

2 Screen frame 4, 6 Side frame 4A Cover 8 Upper frame 10 Lower frame 12 Screen 14 Winding shaft 16 Coil spring 18 Operation rod 20 Engaging member 22 Screen end holding member 38 Screw

Claims (6)

One end of the screen is fixed to a slidable operating rod on the screen frame, and the other end of the screen is fixed to a winding shaft that is rotated by a biasing force of a spring in the winding box, and the winding shaft is rotated by the biasing force. In the roll-up type screen device that winds up the screen,
One end of the screen can be attached to and detached from the operation rod.
A part along the entire length of the winding shaft of the winding box can be opened by a removable cover,
The winding shaft is provided with fixing means for temporarily disengaging the urging force of the winding spring when the screen is attached and detached ,
As the fixing means, a screw that is screwed into the winding shaft and fixed to the fixed shaft that is inserted into the winding shaft is used.
The screw is provided at a position facing the open portion of the cover in the winding box in the fully stretched state of the screen in which the operating rod is held by the frame facing the winding box.
A roll-up screen device characterized by that. When the length of the screen and the replacement screen is set so that the operating rod is held by the frame facing the winding box, the fixed end to the winding shaft is the opening of the cover in the winding box. Set to come to the position
The winding screen device according to claim 1 . The cover in the winding box is formed by a portion that includes a slit edge on the front side that forms a slit that leads the screen out of the winding box and reaches the front side of the winding box.
The winding screen device according to claim 1 . An engaging member is attached to the end of the screen and the replacement screen, and the engaging member is engaged with a screen end holding member that is elastically engaged with the operating rod.
The winding screen device according to claim 1 . Let's replace the take- up shaft, which is rotated by the urging force of the spring in the take-up box, by temporarily fixing the take-up shaft to the fixed shaft inserted into the take-up shaft with screws . Remove one end of the existing screen from the slidable operation rod to the frame, and remove the other end of the screen from the winding shaft,
Next, in a state where one end of the replacement screen is fixed to the operating rod and the operating rod is held by the frame facing the winding box, the other end of the screen is in a state where it is fully tensioned. Fixed to the winding shaft at
Then release the temporary fixing of the winding shaft,
A screen replacement method in a winding screen device. When the screen and the replacement screen are stretched with the operating rod held by the frame opposite the winding box, the fixed end to the winding shaft faces the opening of the cover in the winding box. Set it to be in position,
Removing the existing screen from the winding shaft and fixing the replacement screen to the winding shaft is performed through the opening of the cover of the winding box.
6. A method for replacing a screen in a winding screen device according to claim 5 .

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