JP2015214856A - Take-up box in take-up type screen device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a front surface cover of a take-up box in a take-up type screen device capable of maintaining an open state during a maintenance and the like with a simple configuration.SOLUTION: A take-up box 1 in a vertical drawing take-up type screen device 20 includes: a box body 3; a front surface cover 6 which can be opened by journaling at a front end of an upper surface wall 4 of the box body 3; and end plates 7 at both side ends of the box body 3. The front surface cover 6 includes a support groove 8 extending by a fixed length from a base end side end 6a to a tip side. Support shafts 11 are provided so as to be loosely fitted into the support groove 8 and allow the front surface cover 6 to move in the longitudinal direction of the support groove 8 on upper surface wall front end sides of the pair of end plates 7. An abutting section piece 12 is projectingly provided so as to abut on an outside surface of the front surface cover 6 and hold the front surface cover 6 in an open state when the opened front surface cover 6 is moved to the inside at the inside of installation positions of the support shafts 11 in the end plates 7.

Description

  The present invention relates to a winding box for supporting a winding shaft that winds up a screen in a vertical winding type winding screen device, and more specifically, various maintenance in the winding box, and the winding. The present invention relates to a take-up box having an openable / closable front cover for facilitating attachment / detachment for cleaning or replacement of a screen taken up on a take-up shaft in the take-up box.

Conventionally, there are already known devices in which a front surface of a winding box in a vertical winding type screen device can be opened. For this purpose, the front cover of the winding box is generally fixed with screws or the like.
However, when the internal structure of the winding box becomes complicated or it takes time to maintain it, the front cover can be easily opened and closed temporarily from the closed state, and at the same time the screen It is desirable to keep it in an open state stably for a certain working time for replacement or the like, and to provide its configuration as a simple one.

  The technical problem of the present invention is not only to temporarily open and close the front cover of the winding box in the above-described winding type screen device by hand from the closed state, but also to open it during any work such as maintenance. It is also possible to easily maintain it, and to provide it as a simple configuration.

  In order to solve the above-mentioned problems, according to the present invention, a winding box used in a vertical winding type winding screen device for accommodating a winding shaft of a screen therein, at least an upper wall and a rear wall A box main body, end plates attached to both side ends of the box main body, and an openable front cover that is suspended by pivotally supporting the base end on the end plate at the front end of the upper surface wall of the box main body. The shaft support of the front cover is provided with a support shaft on one of the end plate and the front cover at the support portion, and the support shaft is loosely fitted on the other side to provide a support point for the front cover. It is performed by providing a support groove that can move by a certain length from the base end side to the front end side of the front cover, and is opened before the pair of end plates. When the cover is moved to the inside of the winding box by the predetermined length, a contact piece that contacts the position of the front cover away from the support point by the support shaft and holds the front cover in an open state. A take-up box in a take-up screen device is provided.

  In a preferred embodiment of the winding box according to the present invention, the shaft support of the front cover is provided with a support groove extending from the base end side end where the front cover is supported to the front end side by a certain length along the front cover. And a support shaft that loosely fits in the support groove on the front wall end portion side of the pair of end plates and allows the front cover to move in the longitudinal direction of the support groove when opened. The abutting part piece is provided at a position on the back wall side with respect to the support shaft in the pair of end plates.

In a preferred embodiment of the winding box according to the present invention, the front end of the front cover is provided with a locking edge for locking to a locking receiving portion of the end plate when the front cover is closed. When the front edge of the box body is closed by the front cover when the front edge of the front cover is closed by locking the locking edge of the front cover to the locking receiving portion of the end plate, It is comprised as what is provided with the receiving protrusion which touches and suppresses a top cover's upward movement.
In this case, the protrusion of the front cover forms a limit of a certain length in which the support groove in the front cover extends to the front end side, the support shafts of the pair of end plates are opened, and the open front cover is attached to the winding box. It can be set as the stopper which the said protrusion contact | abuts when moving only the said fixed length inside.

  Further, in another preferred embodiment of the winding box according to the present invention, the box body and the front cover are each formed of an extruded material having a constant cross-sectional shape in the longitudinal direction, and the end plate is the contact plate. The contact piece, the locking receiving portion, and the receiving protrusion are formed of a molding material formed integrally.

  According to the winding box in the winding screen device of the present invention described in detail above, the front cover of the winding box in the winding screen device is only temporarily opened and closed when it is manually operated from the closed state. In addition, it can be easily maintained in an open state during an arbitrary operation such as maintenance, and it can be provided as a simple configuration.

It is a longitudinal cross-sectional view of the front cover in the winding box of the winding screen device according to the present invention in a closed state. It is a longitudinal cross-sectional view of the front cover in the open state. It is a front view of the inner surface of the end plate in the winding box. It is a top view of the end plate. It is a principal part front view of the winding-type screen apparatus provided with the said winding box.

1 to 4 show an example of the winding box 1 in the winding screen device according to the present invention, and FIG. 5 shows a state in which the winding box 1 is installed on the winding screen device 20. Yes.
As shown in FIG. 5, the winding box 1 in the winding screen device 20 is installed on the upper portion of the screen device, and a winding shaft (not shown) for winding the screen 2 inside is rotatable. It is designed to be supported and accommodated. The screen 2 wound around the winding shaft is unwound and wound by the operation of an operation member 21 such as a chain provided in the winding box 1, and a pair of screens 2 are provided opposite to the left and right ends of the winding box 1. It is guided by the guide frame 22 and stretched between the guide frames, or is wound around the winding shaft.

  As can be seen from FIGS. 1 and 2, the winding box 1 itself includes a box body 3 having at least a top wall 4 and a back wall 5, end plates 7 attached to both side ends of the box body 3, and the box. A front cover 6 that can be opened by being suspended by a shaft support at the front end portion of the upper surface wall 4 of the main body is provided. If necessary, the box body 3 can be provided with a lower wall on the lower surface of the winding box 1 while leaving a necessary range necessary to lead out the screen 2. Further, the front cover 6 is provided with a support groove 8 extending from the proximal end side 6a on which the front cover 6 is pivoted to the front end 6b side by a certain length along the front cover surface. The support groove 8 has a shape that is folded back on the base end side end portion 6a of the front cover 6, and the support groove 8 is formed between the folded portion and the front plate of the front cover. The protrusion 9 on the inner surface side of the front cover 6 that forms the above-mentioned limit of the fixed length in which the support groove 8 in the front cover 6 extends toward the tip 6b side is not necessarily limited to such a configuration.

On the other hand, a support shaft 11 that is loosely fitted in the support groove 8 is provided on the front end portion side of the top wall 4 in the pair of end plates 7. The support shaft 11 loosely fitted in the support groove 8 allows the front cover 6 to move in the longitudinal direction of the support groove 8 when opened. As the support shaft 11, as shown in FIG. 3, it is desirable to use a shaft in which the tip of a screw to be screwed into the end plate 7 is formed in a circular cross section.
Further, when the opened front cover 6 is moved toward the inner side of the winding box 1 by the predetermined length in a position closer to the back wall 5 than the installation position of the support shaft 11 in the pair of end plates 7. The abutting portion 12 is provided to abut against the outer surface of the front cover 6 and hold the front cover in an open state. The support shafts 11 of the pair of end plates 7 also function as stoppers against which the protrusions 9 come into contact when the opened front cover 6 is moved to the inside of the winding box 1 by the predetermined length. It is.

  In the illustrated embodiment, the shaft cover of the front cover 6 is provided, the end plate 7 in the shaft support portion is provided with the support shaft 11, and the support groove 8 is provided in the front cover 6. 6 may be provided corresponding to the support shaft 11, and the end plate 7 may be provided corresponding to the support groove 8. In this case, in order to move the opened front cover 6 to the inside of the winding box 1 by the predetermined length and keep the front cover 6 in an open state, instead of the contact piece 12 shown in the figure, The pair of end plates 7 must be provided with a contact piece 12 that contacts the position away from the support point of the support shaft of the front cover 6 and holds the front cover 6 in an open state. For example, the piece is provided inside the front cover 6 in the winding box 1 and in a portion where a gap through which the front cover 6 arranged horizontally can be passed downward from the front end portion of the upper surface wall 4 of the box body 3. become.

  As a means for maintaining the front cover 6 in the winding box 1 in a closed state, a locking receiver provided on the front end 6b side of the front cover 6 so as to protrude from the end plate 7 when the front cover is closed. A locking edge 15 for locking to the portion 14 is provided. The end plate 7 has a locking edge 15 of the front cover 6 locked to a locking receiving portion 14 of the end plate 7 and the front cover 6 closes the front opening of the box body 3. In addition, a receiving protrusion 17 is provided that abuts against the ridge 9 protruding from the inner surface of the front cover 6 and prevents the front cover 6 from moving upward. The receiving projection 17 has a function of pressing the locking edge 15 against the locking receiving portion 14 from above while suppressing the upward movement of the front cover 6 and stabilizes the locking of both. Is.

Since the box body 3 and the front cover 6 can have a constant cross-sectional shape in the longitudinal direction, the box body 3 and the front cover 6 can be formed of an extruded material of aluminum or synthetic resin, and the end plate 7 On the inner surface side of the take-up box 1, like the contact piece 12, the locking receiving portion 14, and the receiving protrusion 17, the front cover 6 is provided with an intended function. Since these are installed together and can be integrally molded with the end plate 7, the winding box 1 can be easily molded by using the end plate 7 as a molding material such as synthetic resin.
In the figure, 18 is a support member for supporting the winding shaft in the winding box 1, and 23 is a fitting portion for connection with the guide frame 22 of the screen 2 provided in the winding box 1. ing.

The winding box 1 having the above configuration can be opened from the state shown in FIG. 1 to the state shown by the chain line in FIG. 2 by pulling the lower portion of the front cover 6 forward by hand. In addition, when the front cover 6 is pressed and moved toward the inside of the winding box 1 with the front cover 6 open, it is inserted by the support shafts 11 protruding from the pair of end plates 7. The movement of the supporting groove 8 is guided, the inner outer surface of the front cover 6 of the support shaft 11 contacts the lower part of the contact piece 12, and the front cover 6 is held open. .
Therefore, an arbitrary operation such as maintenance in the winding box 1 can be performed in a stable open state of the front cover 6, and the winding box 1 having such a configuration can be obtained with a simple configuration. Can do.

DESCRIPTION OF SYMBOLS 1 Winding box 2 Screen 3 Box main body 4 Upper surface wall 5 Back wall 6 Front cover 6a Base end 6b Tip 7 End plate 8 Support groove 9 Projection 11 Support shaft 12 Contacting piece 14 Locking receiving part 15 Locking edge 17 Receiving protrusion 20 Retractable screen device

Claims (5)

A winding box used in a vertical pull-up type screen apparatus for accommodating a screen winding shaft inside,
A box main body having at least a top wall and a back wall, end plates attached to both side ends of the box main body, and opening that can be suspended by pivotally supporting the base end on the end plate at the front wall upper end of the box main body. Front cover and
The shaft support of the front cover is provided with a support shaft on one of the end plate and the front cover in the support portion, and the support shaft is loosely fitted on the other side so that the support point of the front cover is By providing a support groove that is movable from the base end side to the front end side of the front cover by a certain length;
When the open front cover is moved to the inside of the winding box by the predetermined length on the pair of end plates, the front cover is brought into contact with a position away from the support point by the support shaft in the front cover. Provided with a contact piece to hold in the open state,
A take-up box in a take-up screen device characterized by the above. The front cover is provided with a support groove extending from the base end on which the front cover is supported to the front end side along the front cover by a predetermined length, and the front end of the upper wall of the pair of end plates. A support shaft that loosely fits in the support groove on the side and allows the front cover to move in the longitudinal direction of the support groove when the cover is opened is provided on the back wall side of the support shaft in the pair of end plates. Provided the above-mentioned contact piece in the site,
The winding box in the winding screen device according to claim 1. A locking edge for locking to a locking receiving portion of the end plate when the front cover is closed is provided on the front end side of the front cover, and the locking edge of the front cover is connected to the end plate on the end plate. When the front surface of the box body is closed with the front cover while being locked to the stop portion, a receiving protrusion that abuts on the protrusion protruding from the inner surface of the front cover and prevents the front cover from moving upward. Have
The winding box in the winding type screen device according to claim 1 or 2. The protrusions of the front cover form a limit of a certain length in which the support groove in the front cover extends to the front end side, and the support shafts of the pair of end plates are opened. As a stopper against which the ridges come into contact when moved only
A take-up box in a take-up screen device according to claim 3, which is dependent on claim 2. The box body and the front cover are each formed of an extruded material having a constant cross-sectional shape in the longitudinal direction, and the end plate is integrally formed with the contact portion piece, the locking receiving portion, and the receiving protrusion. Formed from the molding material
The take-up box in the take-up type screen device according to claim 3 or 4, which is dependent on claim 2.

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