JP5145267B2 - Sliding screen device - Google Patents

Description

  The present invention relates to a sliding screen device attached to an indoor opening of a window sash, and more specifically, a screen is wound around a winding member provided at an upper portion between a pair of left and right guide frames. The present invention relates to an improvement of a screen device that is hung and folded in a direction along the guide frame.

  As disclosed in Patent Document 1, as an insect-proof screen door, etc., in the case of an open window that opens to the outside of the room, a sliding window, etc., it is attached to the indoor side of a window sash that does not interfere with opening and closing the shoji. Such sliding screen devices are already known. In the sliding screen device, a pair of guide frames are attached to the opening on the indoor side of the window sash in the position where the shoji is installed. A wrapping member that slidably wraps the wrapping member in a direction along the guide frame is housed in a folding box of the screen and has a length that can be stretched in the opening. The crosspieces guided by the guide frames are fixed at both ends in the sliding direction. When extending the screen, the indoor crosspiece (hereinafter referred to as the inner crosspiece) is positioned at the lowest position, and when the screen is not extended. Both bars are formed to meet in the vicinity of the central portion in the length direction of the guide frame.

  In the sliding screen device described above, as shown in FIG. 13, when the inner rail 23 is lowered, the shoji side rail 22 (hereinafter referred to as the outer rail) guided by the outer guide frame 10 rises vigorously. In order to prevent escape (sucking) into the folding box 21, a clip-like escape restraining member 50 that strikes the folding box 21 is attached to the outer frame 22. Since it is necessary to attach the outer rail 22 from the upper end of the guide frame 10, the escape restraining member 50 is attached with an unreasonable posture by reaching out from the narrow opening to the outside of the room. The work required skill, and the user himself could not easily perform the assembly work.

  On the other hand, in order to prevent the outer rail 22 from escaping from the upper end of the guide frame 10 into the folding box 21, the folding box 21 may be formed so as to prevent the escape. As a result, the folding box 21 opens the upper end of the guide frame 10 so that the wrapping member 20 of the screen 7 can be freely attached and detached. It is necessary to make it easier, and from this, it is necessary to attach a means (escape prevention member 50) for suppressing the escape of the outer rail 22 into the folding box 21 during assembly. Therefore, the manufacturing cost and the assembly cost of the escape prevention member 50 itself cannot be ignored, and the means for suppressing the escape of the outer rail 22 into the folding box 21 can be simplified, and the manufacturing cost and the assembly cost can be reduced. Cost reduction is required.

Japanese Patent No. 3484699

The technical problem of the present invention is to simplify the means for suppressing escape of the shoji side rail (outer rail) into the folding box in the sliding screen device, and to reduce the manufacturing cost and assembly cost. There is to plan.
Another technical problem of the present invention is to provide a sliding screen device that eliminates the need for mounting the above-described known escape prevention member and facilitates assembly.

  In order to solve the above-described problems, according to the present invention, a pair of guide frames that are attached to the opening on the indoor side of the window sash attached to the building opening frame opposite to each other on the left and right sides, the pair of guide frames A winding member provided at an upper portion between the guide frames and wound around the screen and folded in a direction along the guide frame, a folding box of the screen for accommodating the winding member, and a length that can be stretched in the opening A screen unit having a beam fixed at both ends in the sliding direction of the screen, and two adjacently arranged strips provided on the guide frame for individually guiding the sliding of the beam provided at both ends of the screen. In the sliding screen device provided with the parallel beam guides, the projections for supporting the winding members of the screen are provided at both ends in the longitudinal direction of the folding box whose front surface can be opened. The support member is disposed, and at both ends in the longitudinal direction of the winding member, engaging portions formed so as to be disengageable from the openable front side of the folding box with respect to the supporting protrusion are provided, An escape restraining portion is formed in the hooking portion of the hanging member below the hooking portion of the screen to prevent the shoji side rail guided by the outer guide frame from coming into contact with the folding box and escaping into the folded box. A sliding screen device characterized by the above is provided.

  In a preferred embodiment of the sliding screen device according to the present invention, the supporting protrusion provided on the support member of the winding member is protruded as having a substantially rectangular cross section, and the winding member is It is formed by providing a substantially U-shaped engaging portion that fits on the supporting protrusion below the winding portion of the substantially semi-cylindrical screen.

  In another preferred embodiment of the present invention, the support protrusion provided on the support member of the winding member is substantially semi-cylindrical along the inner surface of the winding member and hangs downward on the side of the shoji. The winding member corresponds to the locking edges at both ends of the support protrusion in the winding portion of the substantially semi-cylindrical screen. A locking portion that locks to the locking edge is formed at a part to form the locking portion, and an escape prevention portion is formed by a portion that hangs down below the shoji side end of the winding portion In addition, the winding member is configured to be supported by the supporting protrusion by locking the locking portion of the winding member to the locking edge of the supporting protrusion.

  In the embodiment of the present invention described above, the dimension between the lower end of the escape preventing portion of the winding member and the beam guide of the guide frame that guides the beam on the shoji side is the height dimension of the beam on the shoji side. Shorter than that.

  According to the sliding screen device of the present invention described in detail above, the simplification of the means for suppressing the escape of the side rail (outer rail) in the folding box in the sliding screen device, The manufacturing cost and the assembling cost can be reduced, the need for mounting the known escape prevention member can be eliminated, and the user can easily assemble the sliding screen device. .

It is a sectional side view which shows the state which attached the sliding type screen apparatus which concerns on 1st Example of this invention with respect to the sash for windows. FIG. It is a partial expanded side sectional view which shows the state which attaches a winding member with respect to the protrusion for support of the folding | turning box in the Example. It is a partial expanded side sectional view which shows the attachment state of the winding member. It is a partial expansion perspective view explaining the attachment state of the winding member shown in FIG. It is a partial expansion perspective view explaining the attachment state of the winding member shown in FIG. It is a sectional side view which shows the state which attached the sliding screen apparatus which concerns on 2nd Example of this invention with respect to the sash for windows. It is a partial expanded side sectional view which shows the state which attaches a winding member with respect to the protrusion for support of the folding | turning box in the Example. It is a partial expanded side sectional view which shows the same attachment completion state. It is a partial expansion perspective view explaining the attachment state of the winding member shown in FIG. It is a partial expansion perspective view which shows the shape of the protrusion for support in the Example. It is a partial expansion perspective view explaining the attachment state of the winding member shown in FIG. It is a longitudinal cross-sectional view which shows the conventional sliding screen apparatus.

  1 to 6 show a first embodiment of a sliding screen device according to the present invention. This sliding screen device is installed for the purpose of insect repellent, light shielding, heat insulation, blindfolding, decoration, etc. In general, the installation position of the shoji 4 of the window sash 2 attached to the building opening frame 1 And a pair of guide frames 10 attached to the opening on the indoor side opposite to each other and the upper part between the pair of guide frames 10, wrapped around a screen 7 and folded in a direction along the guide frame 10. The wrapping member 20 to be wound, the folding box 21 of the screen 7 for accommodating the wrapping member 20, and substantially the same shape at both ends in the sliding direction of the screen 7 having a length that can be stretched to the opening. The outer frame 22 and the inner beam 23 are fixed, respectively, and a screen unit assembled so that both ends of the beams 22 and 23 are guided by the guide frame 10, and when the screen 7 is stretched The inner frame 23 of the screen 7 wound around the winding member 20 is positioned at the lowest position of the opening (see FIG. 1), and when the screen 7 is not stretched, the guide frame 10 is near the center in the length direction. In FIG. 2, the two bars 22 and 23 are formed to meet.

  As shown in FIG. 2, the pair of guide frames 10 attached to the opening on the indoor side with respect to the installation position of the shoji 4 of the window sash 2 is attached to the window sash 2 with a mounting bracket 11. Are provided with two parallel groove-shaped beam guides 12 and 13 arranged adjacent to each other to individually guide the sliding of the beams 22 and 23 provided at both ends of the screen 7. . The pair of guide frames 10 provided on the left and right sides of the opening are symmetrical to each other. A slit 13a is provided on each inner bottom of the crosspiece guide 13, which is formed by locking a flexible and highly slidable locking portion provided on both side edges of the screen 7 on the inside thereof. This prevents the both side edges from being detached from the crosspiece guide 13.

  As shown in FIGS. 1, 3 and 4, the folding box 21 is for accommodating the winding member 20 of the screen 7, and the folding box 21 has a front cover 21a that can be opened. At both ends in the longitudinal direction of 21, a support 24 provided with support protrusions 24 a for the winding member 20 is disposed. The support protrusion 24a is provided so as to have a substantially rectangular cross section.

On the other hand, the winding member 20 for winding the screen 7 disposed in the upper part between the pair of guide frames 10 is a substantially semi-cylindrical screen as shown in FIGS. 1 and 3 to 6. 7 is formed by providing a substantially U-shaped engaging portion 20b fitted to the supporting protrusion 24a below the winding portion 20a, and the inner rail 23 is formed on the lower surface side of the engaging portion 20b. An escape prevention portion 20c is formed to prevent the outer rail 22 from escaping into the folded box 21 when the door is lowered. Further, on the mutually opposing surfaces of the engaging portion 20b of the winding member 20 and the support protrusion 24a of the support 24, a protrusion 20d and a recess 24b that are elastically engaged with each other are provided. , Have stabilized their bonds.
Furthermore, the dimension L between the lower end of the escape prevention portion 20c and the upper end of the beam guide 12 of the guide frame 10 for guiding the outer beam 22 is formed to be shorter than the height dimension H of the outer beam 22. (See FIG. 4).

  As shown clearly in FIGS. 3 and 5, the wrapping member 20 extends from the front side of the box 21 to the support protrusion 24 a with the front cover 21 a opened. The engaging portion 20b is formed so as to be able to be engaged and disengaged, so that it can be easily engaged and supported in the folded box 21.

  When assembling the sliding screen device having the above-described configuration, usually, first, the outer beam 22 and the inner beam 23 are provided at both ends of the screen 7 from the upper end of the shoji-side beam guide 12 in the left and right guide frames 10 of the opening. The outer frame 22 in the screen unit to which the frame is attached is inserted and guided. Then, as shown in FIG. 4, the winding member 20 is positioned on the lower surface side of the screen 7 to support the protrusion 24 a for the support 24. The engaging portion 20b is mounted on the inner frame 23, and the inner beam 23 is fitted into the beam guide 13 on the indoor side of the guide frame 10.

According to the sliding screen device having the above-described configuration, it is necessary to separately provide the escape bar member 50 of FIG. 13 for preventing the outer bar 22 from escaping into the folded box 21 on the outer bar 22. Therefore, it is possible to simplify the means for preventing the outer rail 22 from escaping into the folding box 21 and to reduce the manufacturing cost and the assembling cost.
Moreover, since the necessity of mounting | wearing with the said escape prevention member can be eliminated, the user himself can easily assemble | attach the said sliding screen apparatus.

  7 to 12 show a second embodiment of the sliding screen device according to the present invention. This sliding screen device is generally configured in the same manner as in the first embodiment, but as shown in detail in FIGS. 8 to 12 in a folding box 31 having an openable / closable cover 31a. A support projection 35 provided on the support 34 that supports the winding member 30 is provided with a portion 35b that hangs downward on the side of the shoji of the semi-cylindrical portion 35a along the inner surface of the winding member 30 of the screen 7. And the wrapping member 30 is formed at both ends of the support protrusion 35 in the wrapping portion 30a of the substantially semi-cylindrical screen 7. The portions corresponding to the locking edges 35c and 35d of the hook are formed with locking portions 30c and 30d to be locked to the locking edges 35c and 35d, and the portion hanging down below the shoji 4 side end of the winding portion 30a At the bottom of Forming an escape preventing part 30b Ri.

The mounting of the winding member 30 to the supporting projection 35 is performed in the manner shown in FIGS. 8 and 12, by inserting the winding member 30 into the folding box 31 whose front surface is open from the escape prevention portion 30b side, 9 and 10, the attitude of the wrapping member 30 is changed as shown in FIGS. 9 and 10, and the locking edges 35 c, 35d is engaged with the locking portions 30c and 30d of the winding member 30 to be supported by the supporting projection 35, thereby preventing the outer rail 22 from escaping into the folding box 31. The escape prevention part 30b is formed in the position to perform.
In this case, the dimension L between the lower end of the escape prevention portion 30b and the upper end of the beam guide 12 of the guide frame 10 that guides the outer beam 22 is the same as that of the first embodiment. It is formed to be shorter than the dimension H (see FIG. 9).

According to the sliding screen device having the above-described configuration, the structure of the winding member 30 can be further simplified, so that the sliding screen device can be manufactured at a lower cost.
The other configurations and operations of the sliding screen device according to the second embodiment are substantially the same as those of the sliding screen device according to the first embodiment. A description thereof will be omitted.

DESCRIPTION OF SYMBOLS 1 Building opening frame 2 Window sash 7 Screen 10 Guide frame 12, 13 Cross guide 20, 30 Winding member 20a, 30a Winding part 20b Engaging part 20c, 30b Escape prevention part 21, 31 Folding box 21a, 31a Cover 22, 23 Crosspieces 24, 34 Supports 24a, 35 Protrusions for support 30c, 30d Locking portions 35c, 35d Locking edges

Claims (4)

A pair of guide frames that are attached to the opening on the indoor side of the window sash that is attached to the opening frame of the building, facing the left and right sides of the door sash. A winding member that is folded back in the direction along the guide frame, a folding box of the screen for accommodating the winding member, and crosspieces at both ends in the sliding direction of the screen having a length that can be stretched in the opening. A sliding screen device comprising a fixed screen unit, and two parallel beam guides arranged adjacent to each other, which are provided in the guide frame and individually guide the slides provided on both ends of the screen. In
Supports provided with protrusions for supporting the winding member of the screen are disposed at both ends in the longitudinal direction of the folding box whose front surface can be opened, and the supporting protrusions are disposed at both ends in the longitudinal direction of the winding member. An engaging portion formed so as to be able to be engaged and disengaged from the openable front side of the folded box with respect to the portion is provided.
An escape restraining part for restraining the sliding bar on the side of the shoji, which is guided by the outer guide frame, from coming into contact with the engaging part of the lower part of the winding part of the screen in the folding member when it moves upward and escapes into the folded box. Formed,
A sliding screen device characterized by that. The supporting protrusion provided on the support member of the winding member is protruded as having a substantially rectangular cross section,
The winding member is formed by providing a substantially U-shaped engaging portion that fits to the supporting protrusion below the winding portion of the substantially semi-cylindrical screen.
The sliding screen device according to claim 1. The support protrusion provided on the support member of the wrapping member has a substantially semi-cylindrical shape along the inner surface of the wrapping member and has a portion that hangs downward at the end of the shoji, and is provided with locking edges at both ends. Formed as
A locking portion for locking the winding member to the locking edge is formed at a portion corresponding to the locking edge at both ends of the support protrusion in the winding portion of the substantially semi-cylindrical screen. It is assumed that an escape prevention portion is formed by a portion that hangs down below the side edge of the shoji in the wrapping portion while configuring the engaging portion.
The supporting member is supported by the supporting protrusion by engaging the engaging part of the winding member with the engaging edge of the supporting protrusion.
The sliding screen device according to claim 1. The dimension between the lower end of the escape prevention part of the winding member and the beam guide of the guide frame that guides the beam on the shoji side is formed shorter than the height dimension of the beam on the shoji side,
The sliding screen device according to any one of claims 1 to 3.

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