JPH0671890U - Blind switchgear - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a blind opening / closing device that can be attached to a slanted window or the like so as to be able to move up and down and open and close and to prevent a part or all of the blind from hanging. [Structure] The runners 11, 12, 12 are formed at both ends of each of the guide bars 3a, ... And the weight bar 4, which form a blind, and the guide rails 5, 5 on which the runners 11, 12, 12, run, A blind opening / closing device 1 obliquely installed along an upper window frame of a tilted window so that opening / closing of a blind is performed along guide rails 5 and 5.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a blind opening / closing device mounted on a window or the like, and more particularly to a blind opening / closing device suitable for mounting on an inclined window or the like.

[0002]

[Prior art]

 The blind opening / closing device has a mounting part located at the upper end, a large number of slats installed under the same part, a weight bar installed at the lowermost end of each of the slats, and a weight bar against the weight of each slat. It consists of lifting means for raising and lowering and tilting means for opening and closing each slat. By fixing the attachment part at the upper end, it is attached to a window frame or the like.

[0003]

[Problems to be solved by the device]

 However, in the above-mentioned blind opening / closing device, since the mounting portion is fixed to the upper window frame and each slat and the weight bar are suspended by its own weight, it is possible to mount the slats vertically on a normal vertical window. However, when mounting on a slanted window, etc., each slat can only be opened and closed, but the entire blind or part of each slat hangs down by its own weight, so it is possible to raise or lower the blind along the window surface. The problem is that it is difficult, the appearance is bad, and the design value is impaired overall.

Therefore, the present invention is a blind opening / closing device that can be attached to a tilted window or the like so as to be able to move up and down and open and close so as to prevent a part of the blind from hanging and being blown by the wind. For the purpose of providing.

[0005]

[Means for Solving the Problems]

 This invention is a blind opening / closing device that vertically raises and lowers a large number of slats laid in parallel in the horizontal direction by raising and lowering a lifting cord. A blind opening / closing device in which each guide bar is installed at an appropriate interval, and both ends of each guide bar are vertically movable with respect to each guide rail installed on the side opposite to both ends of the guide bar. It is characterized by

[0006]

[Action]

 That is, according to the above configuration, when the multiple slats are raised and lowered by pulling up and down the lifting cord, both ends of each guide bar move up and down along the guide rails installed on both sides. Both ends of each guide bar are supported by each guide rail when fully lowered or partially lowered.

[0007]

[Effect of device]

 As a result of the above, according to the present invention, the plurality of guide bars are arranged between the slats constituting the blind, and both ends of the guide bars are supported by the guide rails so that the blinds can be raised and lowered. When this is done, it is possible to reliably prevent some or all of the blinds from hanging or being blown by the wind. For this reason, it can be attached to a slanted window or the like so as to be able to move up and down and open and close, and the appearance when moving up and down is good, and the design value is not impaired.

[0008]

【Example】

 An embodiment of the present invention will be described in detail below with reference to the drawings. FIG. 1 shows a blind opening / closing device 1 attached to an inclined window. As shown in this figure, the blind opening / closing device 1 has a head box 2 in which a required mechanism is built in and a bracket (not shown) is mounted, and the head box 2. A plurality of slats 3 arranged on the lower side of the box 2 and a plurality of guide bars 3a, and a weight bar 4 located at the lowermost end of the slats 3 and the guide bars 3a. , Each of the slats 3, ..., each of the guide bars 3a, ... and the guide rails 5 and 5 installed at both end positions of the weight bar 4, the lifting means and the slats 3 for lifting and lowering the weight bar 4, and each guide. .. and tilting means for opening and closing the bars 3a.

The above-described head box 2 has an elongated box shape, and as a required mechanism, two rollers 6 and 6 and a stopper 7, which correspond to a part of the above-mentioned raising and lowering means and tilt means, and a tilt drum. 8 and a shaft 10 having two tape drums 9 therein.

Each of the above-mentioned slats 3 ... Is a thin plate shape slightly curved in the width direction, and is set to have substantially the same length as the above-mentioned head box 2. A plurality of guide bars 3a are arranged at equal intervals between the slats 3 and runners 11 as shown in FIG. 2 are fixed to both ends of each guide bar 3a.

The runner 11 is composed of a head portion 11a that travels in the guide rails 5 and 5, a holding portion 11b that holds the guide bar 3a, and a neck portion 11c that connects them, and is made of synthetic resin or the like. Is forming. The holding portion 11b and the guide bar 3a may be coupled to each other by, for example, inserting the guide bar 3a into the holding portion 11b and fixing it, or by bonding or welding one surface of the guide bar 3a and one surface of the holding portion 11b. You can fix it.

The weight bar 4 described above also has runners 12 formed at both ends as shown in FIG. The runner 12 is integrally formed with a cap 4a fixed to the weight bar 4, and includes a head portion 12a that travels in the guide rails 5 and 5, and a neck portion 12b having a diameter smaller than that of the head portion 12a.

The guide rails 5 and 5 described above have a C-shaped cross section and are arranged so that the runner grooves 5a face inward, so that the heads of the runners 11 ...

The above-mentioned lifting means is composed of the rollers 6 and 6 and the stopper 7 which have already been described, and the two lifting cords 13 and 13. The two lifting cords 13 and 13 have one end on the upper surface of the weight bar 4. Fixed at two predetermined positions, the other end side is inserted into each slat 3 ... And each guide bar 3a ..., Is passed through the stopper 7 via the rollers 6 and 6, and is integrated into one by the code equalizer 14. After that, the other end is fixed to one end of the weight bar 4.

The structure of the above-mentioned stopper 7 will be briefly described. Inside the case body 7a, the locking roller 15 is held so as to be movable up and down, and a front position facing the upper peripheral surface of the locking roller 15. The guide roller 16 is rotatably supported by the roller, and a stepped roller locking portion 17 is formed at a rear position facing the upper peripheral surface of the locking roller 15. Further, a guide pin 18 is installed in the opening on the lower surface side of the case body 7a to prevent the locking roller 15 from falling off and to guide the elevating cords 13 and 13. The elevating cords 13 and 13 are inserted between the guide roller 16 and the locking roller 15.

The above-mentioned tilt means includes the above-described shaft 10, the tilter cord 19 for rotating the tilter drum 8 at one end of the shaft 10, and the vertical movement from the tape drums 9, 9 on the shaft 10 for each slat 3. , And the ladder cords 20, 20 transmitted to the respective guide bars 3a. The end of the tilter cord 19 is fixed to one end of the weight bar 4 as in the case of the lifting cords 13 and 13.

The operation and effect of the blind opening / closing device 1 thus configured will be described below. The blinds are opened by pulling down the lifting cords 13 and 13 and raising the guide bars 3a ... And the weight bar 4, and closing the blinds by releasing the lifting cords 13 and 13 and the weight bars 4. This is done by leaving it to your own weight and lowering it. The open / closed state of the blind in each case is fixed at an appropriate position using the stopper 7. The stopper 7 can be fixed by pulling the elevating cords 13 and 13 sideways when the guide bars 3a ... And the weight bar 4 are lowered to engulf the locking roller 15. To release the fixed state, the elevating cords 13 and 13 can be released. The guide bars 3a ... And the weight bar 4 may be slightly lowered against the own weight.

When the opening / closing operation (raising / lowering) of the blind is performed in this manner, the runners 12, 12 formed at both ends of the weight bar 4 and the runners 11 formed at both ends of each guide bar 3a ... Since the vehicle travels along the rails 5, 5, it can be opened and closed along the guide rails 5, 5. Therefore, it can be mounted not only on a slanted window, but also on a vertical window, etc., and its opening and closing is also good.

When the blind is completely lowered or lowered halfway, the runners 12, 12, 11, ... Formed at both ends of the weight bar 4 and each guide bar 3a are supported by the guide rails 5, 5. , It prevents shaking in a direction that does not follow the runner groove. Therefore, when the blind is lowered, it is possible to prevent a part of the blind from hanging down due to the wind or the like, and it is possible to prevent the appearance from being deteriorated and the design value is not impaired.

[Brief description of drawings]

FIG. 1 is a perspective view showing a blind opening / closing device.

FIG. 2 is an exploded perspective view showing an end portion of a guide bar.

FIG. 3 is a perspective view showing an end portion of a weight bar.

FIG. 4 is a sectional view showing a structure of a stopper.

[Explanation of symbols]

 1 ... Blind opening / closing device 3 ... Slat 3a ... Guide bar 4 ... Weight bar 5 ... Guide rail 11, 12 ... Runner 13 ... Elevating cord

Claims (1)

[Scope of utility model registration request] 1. A blind opening / closing device for vertically raising and lowering a large number of slats laid in parallel in the horizontal direction by pulling up and down an elevating cord, wherein a plurality of blind slats are provided between the slats. A blind opening / closing device in which the guide bars are arranged at appropriate intervals, and both ends of each of the guide bars are vertically movable with respect to each guide rail installed on a side opposite to both ends of the guide bar.