JPH03165715A - Curtain stretcher and fitting method thereof - Google Patents

Abstract

PURPOSE:To stretch and hold a curtain at the preset lateral width size for smooth vertical opening/closing actions by inserting and fixing bar fixing tools into fixing tapes provided on the back side of the curtain, and coupling and fixing curtain stretching tools to the bar fixing tools. CONSTITUTION:Many insertion sections 10a insertable in the width direction are formed at a uniform preset interval in the length direction of center faces of fixing tapes 10. Three sets of curtain stretching tools 12 made of synthetic resin or metal are suspended in the horizontal state at a preset interval at the center section on the back side of a curtain. Each curtain stretching tool 12 is constituted of a curtain stretching bar 13 formed into the length corresponding to the lateral width size of the curtain and many cylindrical bar fixing tools 14. A bar pinching section 15a allowing the insertion of the curtain stretching bar 13 is axially inserted at the axial center section of a cylindrically formed bar inserting section 15 to form the bar fixing tool 14, and a bar insertion groove 15b slightly wider than the diameter of the curtain stretching bar 13 is formed in the axial direction on the partial outer periphery of the bar inserting section 15.

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Industrial Application Field The present invention relates to a curtain opening/closing device for vertically opening and closing curtains such as Austrian style or plain style curtains, and more specifically, for use in preventing curtains from curving. The curtain tensioner and its installation relate to a method.

(B) Conventional Technology Conventionally, as shown in FIG. 6, the brain-style curtain opening/closing device of the above-mentioned example has a rotating shaft 6 installed in a horizontal state that is rotated forward and backward by the driving force of a drive motor 5. The electric curtain opening/closing device 1 vertically opens and closes the curtain 7 by winding or unwinding each lifting cord 8 on a plurality of winding drums 3 fixed on the rotating shaft 6.
There is.

As described above, in order to vertically open and close the curtain 7 with the lower edge thereof constantly hanging down, a weight 11 for a predetermined weight is suspended from the lower edge of the curtain 7.

(c) Problems to be Solved by the Invention However, if the weight of the weight 11 is too heavy than the tension of the fabric of the curtain 7 itself, the entire curtain 7 will be pulled in the vertical direction, as shown by the solid line in the figure. However, there is a problem in that both side edges of the curtain 7 are curved toward the center, spoiling the appearance when opened and closed.

In addition, since the two lifting cords 8.8 hanging down along both side edges of the curtain 7 are drawn toward the center, the winding drums 3.3 fixed to both ends of the rotating shaft 6 are There is also the problem that the two lifting cords 8°8 are wound irregularly, and the winding diameter of the lifting cords 8 increases in some areas, resulting in an increase in the lifting speed of both end edges of the curtain 7. are doing.

As a means of solving the above-mentioned problem, for example, when the curtain tension rod 13 is fixed in a horizontal position by suture or adhesive on the back side of the curtain 7, it is necessary to reliably prevent both side edges of the curtain 7 from curving. However, there is a problem in that it takes time and effort to change the installation position and installation interval of the curtain tension rods 13.

In view of the above problems, the present invention provides a curtain tensioning device and a method for installing the same, which makes it possible to maintain the curtain tensioned to a predetermined width dimension using a curtain tensioning device, so that the appearance when opening and closing is good, and vertical opening and closing operations can be performed smoothly. With the goal.

(D) Means for Solving the Problems The first means of the present invention is to arrange an appropriate number of fixing tapes vertically in parallel on the back side of a curtain that opens and closes vertically, and to align each of the fixing tapes on the same horizontal line. The method is characterized in that the curtain tensioning device is installed by inserting and fixing the body fixing devices, tensioning the curtain to a predetermined width dimension, and fitting and fixing the curtain tensioning rod to each of these rod fixing devices.

The second means is a rod fixing device for installing the curtain tension rod in a horizontal position on the back side of the curtain, a rod fitting part that fits and fixes the curtain tension rod, and a fixing tape attached to the back side of the curtain. It is a bar fixing device for a curtain tensioning device, which has an insert bin for inserting and fixing, and a retaining part for fixing the fixing tape to prevent it from coming out between the opposing surfaces of the bar fitting part and the insert bin. Features.

The third means is a fixing tape for a curtain tensioning device, which has a plurality of insertion parts for inserting and fixing rod fixing devices in the longitudinal direction of the flat surface of the fixing tape attached to the back side of the curtain.

(E) Effect The method for installing the curtain tensioning device according to the first means of this invention is as follows:
By inserting and fixing rod fixing devices into each of the fixing tapes arranged in parallel on the back side of the curtain, and by fitting and fixing the curtain tensioning device in a horizontal position to each of these bar fixing devices, the curtain can be held tensioned at a predetermined width dimension. do.

The rod fixing device of the second means of the curtain tensioning device is such that the curtain tensioning rod is fitted and fixed to the rod fitting portion formed in the rod fixing device, so that the curtain tensioning rod can be easily attached to and removed from the rod fixing device. By inserting and fixing the insertion pin of the rod fixing tool into the fixing tape attached to the back side of the curtain, the rod fixing tool can be easily attached and removed from the fixing tape.

The fixing tape of the curtain tensioning device of the third means has a large number of insertion portions in the plane length direction of the fixing tape, so that by inserting and fixing the curtain tensioning device into the insertion portions at arbitrary positions, The installation position and installation interval of the tensioning devices can be easily changed.

(f) Effects of the Invention According to this invention, since the curtain is tensioned and held at a predetermined width dimension by the curtain tensioning device, when the curtain is vertically opened and closed, the edges on both sides of the curtain are prevented from curving toward the center. By opening and closing the curtain vertically while keeping the entire curtain at a predetermined width dimension, the appearance when opening and closing is good and the vertical opening and closing operation of the curtain can be performed smoothly.

In addition, the rod fixing device is inserted into the insertion part of the fixing tape attached to the back side of the curtain at any position and fixed, and the curtain tension rod is fitted and fixed to this rod fixing device, so the drooping dimension or curvature of the curtain can be fixed. The installation position and installation interval of the curtain tensioning device can be easily changed in accordance with the portion where the curtain tensioner is likely to occur.

(g) Examples of the invention An embodiment of the present invention will be described in detail below based on the drawings.

The drawing shows a curtain tensioner used in a plain style electric curtain opening/closing device and its installation method. In FIG. On the side, five sets of drum cases 4 each rotatably housing and holding a winding drum 3 are fixed at predetermined equal intervals, and a reducer is installed between each drum case 4 at the left end of the drawing. A built-in drive motor 5 is fixed.

A rotary shaft 6 having a rectangular vertical cross section is inserted into the center of the shaft of each of the winding drums 3 and the drive motor 5 in a manner capable of transmitting power.
On the winding surface of the curtain 7, the upper ends of each of the five lifting cords 8 formed to have a length corresponding to the drooping dimension of the curtain 7 are fixed, and the lower ends of each of these lifting cords 8 are fixed. are inserted through a large number of guide rings 9 . . . sewn and fixed in a direction perpendicular to the back surface of the curtain 7 , and tied and fixed to each guide ring 9 .

That is, five fixing tapes 10 formed in a flat shape are sewn and fixed in the vertical direction of the back surface of the curtain 7 along each lifting cord 8 hanging down on the back side of the curtain 7. A large number of guide rings 9 are sewn and fixed at predetermined equal intervals in the longitudinal direction of the center surface of each fixing tape 10, and each guide ring 9 on the fixing tape 10 is sewn and fixed in the vertical direction. The lifting cord 8 is inserted through the lifting cord 8, and the lower end of the lifting cord 8 is tied and fixed to a guide ring 9 sewn and fixed to the lowermost part.

A large number of insertion portions 10a, which can be inserted in the width direction, are formed at predetermined equal intervals in the longitudinal direction of the central surface of the fixing tape 10 described above.

The upper edge of the curtain 7 is removably fixed to the front side of the curtain rail 2 using Velcro (not shown), and a bar-shaped weight 11 is suspended from the lower edge of the curtain 7. It is set up.

At the center of the back side of the curtain 7 described above, there are three sets of curtain tensioning tools 12 made of synthetic resin, metal, etc.
are installed horizontally at predetermined intervals.

As shown in FIG. 2, this curtain tensioning tool 12 includes a curtain tensioning rod 13 formed in a length corresponding to the width dimension of the curtain 7, and a large number of rod fixing devices 1 formed in a cylindrical shape.
It consists of 4...

The above-mentioned rod fixing tool 14 has a rod holding portion 15a that allows the curtain tension rod 13 to be fitted thereinto in the axial center of the rod fitting portion 15 formed in a cylindrical shape. A bar fitting groove 15b having a width slightly narrower than the diameter of the curtain tensioning rod 13 is formed in a part of the outer circumferential surface of the recessed portion 15 in the axial direction.

On the other hand, the above-mentioned rod fitting groove 15b and the opposing rod fitting portion 1
An insertion pin 16 is integrally formed in the axial direction on the outer circumferential surface of the opposite side of the rod fitting portion 15 from the outer circumferential surface of the base end portion to the outer circumferential surface of the tip portion.

A step portion 16a having a semicircular cross section is formed at the tip of the insertion pin 16, facing the outer peripheral surface of the tip of the rod fitting portion 15, and the tip of the insertion pin 16 faces toward the insertion direction. It is formed into a tapered surface 16b, and a locking pawl 15c formed on the outer circumferential surface of the tip side of the rod fitting portion 15 mentioned above is in contact with the intermediate surface between the stepped portion 16a and the tapered surface 16b.

A power cord 17 and a control cord 18 are respectively connected to the aforementioned drive motor 5 via appropriate electric circuits (not shown), one power cord 17 is connected to a power source (not shown), and the other control cord is connected to a power source (not shown). 18 is connected to a switch box 19, and this switch box 19 has various switches 19a, 19b, 1 for driving the drive motor 5 in forward and reverse directions and stopping it.
9c are arranged respectively.

The illustrated embodiment is constructed as described above, and the curtain tensioner 1 for the plain style curtain 7 will be described below.
The installation method for step 2 will be explained below.

First, as shown in FIGS. 2 and 5, the curtain tensioner 1 is attached to the insertion part 10a of the fixing tape 10 sewn and fixed to the back side of the curtain 7, corresponding to the curved part of the curtain 7.
The rod fixture 14 constituting 2 is inserted and fixed in the horizontal direction.

That is, while elastically deforming the insertion pin 16 formed on the outer peripheral surface of the rod insertion part 15, the insertion part 1 of the fixing tape 10 is inserted into the opposing gap between the rod insertion part 15 and the insertion pin 16.
0a is forcibly inserted, the insertion part 10a of the fixing tape 10 is prevented from coming out by the engagement of the locking claw 15c formed on the outer peripheral surface of the rod insertion part 15 and the insertion pin 16, and the fixation is fixed by suture to the curtain 7. A rod fixture 14 is attached to the insertion portion 10a of the tape 10.

Next, as shown in FIGS. 3 and 4, while expanding the rod fitting groove 15b of the rod fitting part 15 as shown by the imaginary line in the figure, the curtain tensioner composing the curtain tensioning device 12 is The rod 13 is forcibly fitted and fixed to the rod holding part 15a of the rod fitting part 15, and the curtain tension rod 13 is clamped and fixed using the elasticity of the material of the rod holding part 15a.

Similarly, as shown in FIG. The curtain tension rod 13 is forcefully fitted into each rod fitting portion 15 of each rod fixing device 14 arranged on the same horizontal line while maintaining tension at a predetermined width dimension at the central part of the curtain tension rod 13. 3 at the center of the back side where the curtain 7 curves the most.
The curtains 12 of each set are installed horizontally at predetermined intervals.

In this way, since the curtain 7 is held tensioned at a predetermined width dimension by each of the three sets of curtain tensioners 12..., when the curtain 7 is vertically opened and closed, both side edges of the curtain 7 are curved toward the center. It is possible to reliably prevent
By vertically opening and closing the curtain 7 while maintaining the entire width at a predetermined width dimension, the appearance when opening and closing becomes good, and the vertical opening and closing operation of the curtain 7 can be performed smoothly.

In addition, the curtain 7 corresponds to the curved part of the curtain 7.
The rod fixing devices 14 are inserted and fixed into the insertion portions 10a on the same horizontal line of each of the fixing tapes 10 sutured and fixed to the back side of the curtain tension rods. 13 is fitted and fixed, the installation position and installation interval of the curtain tensioner 12 can be easily changed in accordance with the drooping dimension of the curtain 7 or the portion where curvature is likely to occur.

In correspondence between the structure of the present invention and the above-described embodiment, the retaining portion of the present invention has the locking pawl 15c and the stepped portion 1 of the embodiment.
6a, the present invention is not limited to the configuration of the above-described embodiment. For example, adhesive (
(not shown) and then adhesively fix the fixing tape 10 to the back side of the curtain 7.

Furthermore, synthetic rubber is provided around the fitting surface of the rod fitting part 15 constituting the rod fixing device 14 and the curtain tensioning rod 13, or a locking surface is carved into the fitting surface, so that the curtain tensioning rod 13 can slide in the axial direction. You may actively prevent this from happening.

The curtain tensioner 12 of the present invention can also be applied to curtains 7 of Austrian style, balloon style, etc.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention; FIG. 1 is a rear view of the curtain showing the installed state of the curtain tensioning device; FIG. 2 is an enlarged perspective view showing the separated state of the curtain tensioning device and fixing tape; FIG. 3 4 is an enlarged side view of the curtain tensioning device showing the fitting operation of the curtain tensioning rod, FIG. 4 is an enlarged side view of the curtain tensioning device with the curtain tensioning rod fitted and fixed, and FIG. 5 is the curtain tensioning device shown in FIG. 4. FIG. 6 is a rear configuration diagram of a curtain opening/closing device showing a curved state of a conventional curtain. 7...Curtain 10...Fixing tape 10a
...Insert part 12...Curtain tensioning tool 3...Curtain tensioning rod 1...Bar fixing tool 5...Bar fitting part...Insert pin

Claims (3)

[Claims] (1) Place an appropriate number of fixing tapes vertically in parallel on the back side of the curtain that opens and closes vertically, and insert and fix the rod fixing devices on the same horizontal line of each of the above fixing tapes. A method for installing a curtain tensioning device that tensions the curtain to a predetermined width dimension and secures it by fitting a curtain tensioning rod. (2) Insert and fix the curtain tension rod into the rod fixing device for horizontally installing the curtain tension rod on the back side of the curtain, and the rod fitting part that fits and fixes the curtain tension rod, and the fixing tape attached to the back side of the curtain. A rod fixing device for a curtain tensioning device, comprising: an insertion pin for fixing the fixing tape, and a retaining portion for preventing the fixing tape from coming out between opposing surfaces of the rod fitting portion and the insertion pin. (3) A fixing tape for a curtain tensioning device that has a number of insertion parts for inserting and fixing rod fixing devices in the longitudinal direction of the flat surface of the fixing tape that is attached to the back side of the curtain.