JP3112835B2 - Roman shade - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a Roman shade in which a plurality of front crosses are connected to the front surface of a rear cross and the front cross can be opened and closed appropriately.

[0002]

2. Description of the Related Art Conventionally, as this kind of Roman shade, there are those described in Japanese Patent Application Nos. 8-8361 and 8-72113 filed earlier by the present applicant. In these, a plurality of front crosses are connected to a front surface of a rear cross whose upper end is connected to a head rail at intervals in the vertical direction of the rear cross, respectively, and each of the front crosses At an appropriate position other than the portion connected to the rear side cross, an opening / closing cord hanging down from the head rail is sequentially connected, and by operating an operation unit provided at an end of the head rail. The opening and closing cord is raised and lowered to open and close the front cross.

[0003]

However, when connecting the opening / closing cord to the front cross, since there are a plurality of connecting points, it is troublesome depending on the connecting method, and there is a possibility that the working efficiency may be deteriorated. In view of this point, an object of the present invention is to provide a Roman shade which can easily connect an opening / closing cord to a front cross and can increase the efficiency at the time of assembly.

Another object of the present invention is to provide a Roman shade which can easily separate a cloth and a mechanical part housed in a head rail when washing the cloth or replacing the cloth. is there.

[0005]

In order to achieve the above object, according to the first aspect of the present invention, an upper end is provided on a front surface of a rear cross connected to a head rail. A plurality of front crosses are connected to each other at intervals in the direction, and at an appropriate position other than a portion connected to the rear cross of each of the front crosses, an opening and closing for hanging up and down from the head rail is possible. In the Roman shade in which the cords are sequentially connected, a pair of large-diameter bodies are fixed to the opening / closing cord in a vertically separated manner corresponding to the appropriate position of the front cross, respectively, and each pair of the opening / closing cords is provided. A small-diameter portion is formed between the upper large-diameter body and the lower large-diameter body, and the small-diameter portion of the opening / closing cord can be inserted into the appropriate position of the front cross, while the large-diameter portion is There is attached is inserted non coupling-off code by the small-diameter portion of the opening code is inserted into the connector is characterized in that it is connected to the front cross.

According to a second aspect of the present invention, the connecting tool has an insertion hole having an entrance through which the small diameter portion of the opening / closing cord can pass, and the small diameter of the opening / closing cord is provided. A portion can be inserted through the insertion hole, while the large-diameter body cannot be inserted through the insertion hole. In the invention according to claim 3 of the present invention, the opening / closing cord is formed by an upper cord and a lower cord which are separably connected between a head rail and an uppermost connecting portion with a front cross. It is characterized by that.

According to a fourth aspect of the present invention, a pair of large-diameter bodies are fixed to the upper end of the lower cord, and a holder is provided on the upper cord. The upper cord and the lower cord are connected by holding one of the pair of large diameter bodies.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an overall perspective view showing an embodiment of a Roman shade according to the present invention, showing a state in which a front cross is closed, FIG. 2 is an overall perspective view showing a state in which a front cross is open, and FIG. FIG. 4 is a sectional view taken along line 3-3 in FIG. 1, and FIG. 4 is a sectional view taken along line 4-4 in FIG.

In FIG. 1, reference numeral 10 denotes a rear cloth, and a hook-and-loop fastener 10a fixed to the upper end of the rear cloth 10 (FIG. 8).
) Is attached to a hook-and-loop fastener (not shown) fixed to the rear surface of the head rail 12 to thereby form the rear cross 1.
0 is detachably connected to the head rail 12. A bag-shaped portion (not shown) is provided at the lower end of the rear cloth 10, and a bottom rail 16 is inserted into the bag-shaped portion.

On the front surface of the rear cloth 10, a rear cloth 1 is provided.
A plurality of front crosses 14 are connected at intervals in the vertical direction of zero. That is, the upper end of the front cloth 14 is sewn to the rear cloth 10 by sewing or the like, and the connecting portion 15 is provided at a plurality of locations (five locations in this example) at predetermined intervals in the width direction. The insertion portion 13 through which the opening / closing cord 18 or the elevating cord 24 can be inserted is formed by sewing or the like. A bag-like portion 14b of the front cloth 14 is formed at the lower end of each front cloth 14, and the bag-like portion 14b holds the lower end of the front cloth 14 substantially horizontally with the front cloth 14 closed. In addition, a plurality of rods 40 for holding the lower end of the front cloth 14 obliquely with the front cloth 14 opened are inserted in series. However, one rod-shaped body or a plate-shaped body may be inserted without being limited to the rod-shaped body 40, or the rod-shaped body or the plate-shaped body may be omitted only in a part of the width direction.

A balance 32 is connected to the front surface of the head rail 12. A hook-and-loop fastener 32 a (see FIG. 8) fixed to the upper end of the balance 32 is attached to the head rail 1.
The upper end of the balance 32 is detachably connected to the head rail 12 by being attached to the hook-and-loop fastener 12 a (see FIG. 8) fixed to the front surface of the head 2. At the lower end of the balance 32, the bag-like portion 32 b
Are formed, and a plurality of rod-shaped bodies 40 are inserted in series therein.

The elevating cord 24 is suspended from the lower part of the head rail 12 so as to be able to ascend and descend, and each of the insertion portions 1 formed at the joint 15 between each rear cross 10 and each front cross 14.
3, one end of which is detachably connected to the bottom rail 16. The other end of the elevating cord 24 is wound around a drum (not shown) provided rotatably in the head rail 12 so as to be wound and unwound. Further, the drum has a rotating shaft which rotates integrally therewith. Are connected, and a ball chain 30 derived from the head rail 12 is wound around a pulley connected to the rotating shaft. By operating the ball chain 30 to rotate the pulley, the rotating shaft and the drum, the lifting cord 24
Is wound or unwound.

The opening / closing cord 18 is suspended from the head rail 12 so as to be able to move up and down. The cord 18 is connected to the vicinity of the lower end of the balance 32 and is connected to the connecting portion 15 between each rear cross 10 and each front cross 14. Each of the formed insertion portions 13 is inserted, and an appropriate position other than the connection portion 15 of the front cross 14 is
In the present example, the plurality of rods 40 inserted into the bag-like portion 14b of the front cloth 14 are sequentially connected near every other adjacent point and near the lower end of the front cloth 14.

More specifically, the opening / closing cord 18 is configured such that the operation cord 26 (upper cord) and the pitch cord 27 (lower cord) are detachably connected between the connection portion to the balance 32 and the head rail 12. It is composed of The pitch cord 27 has a pair of spheres (large-diameter bodies) 28 a made of synthetic resin having a diameter larger than that of a general part of the pitch cord 27 corresponding to a connection position with the front cloth 14 and a connection position with the balance 32. 28b are fixed at a slight distance in the vertical direction, and a portion between the upper sphere 28a and the lower sphere 28b of the pair of spheres of the pitch cord 27 is a small-diameter portion having a smaller diameter than the sphere 28. 27a. On the other hand, as shown in FIG. 5, connecting tools 29 are fixed to the front cloth 14 at the connecting positions with the pitch cords 27, respectively. The connecting tool 29 includes an insertion hole 29b having an entrance 29a through which the small diameter portion 27a of the pitch cord 27 can pass, and a fixing piece 29c fixed in a loop 42 provided in the front cross 14. The insertion hole 29b has such a size that the small diameter portion 27a of the pitch cord 27 can be inserted, while the sphere 28 cannot be inserted. The same connecting tool 29 is also fixed to the balance 32. In connecting the pitch cord 27 with the front cross 14 and the balance 32, the small diameter portion 27a of the pitch cord 27 is passed through the entrance 29a of the connecting tool 29 and passed through the insertion hole 29b, thereby connecting the sphere 28a of the pitch cord 27 with the sphere 28a. The connection tool 29 is restrained during 28b. The length between the sphere 28a and the sphere 28b
If the length of the pitch cord 27 is set short enough to prevent the passage of a, the pitch cord 27 is substantially connected to the front cross 14 and the balance 32. In this way, the pitch cord 27 can be connected to the front cloth 14 by a simple operation, so that even if there are a plurality of front cloths 14, the working time can be shortened and the working efficiency can be improved.

A pair of spheres 28a and 28b are also fixed to the upper end of the pitch cord 27, and one of the spheres 28a is connected to the operation cord 26. That is, as shown in FIG. 6, a holder 34 is attached to the lower end of the operation cord 26, an opening 34a is formed in a side surface of the holder 34, and a slit 34b communicating with the opening 34a is provided in the holder. 34 extend to the bottom surface. The opening 34a has a size that allows the sphere 28 to be inserted, the slit 34b has a width that allows the sphere 28 to not be inserted and the small-diameter portion 27a to be inserted, and the upper sphere 28a inserted from the opening 34a 34b, the pitch cord 27 and the operation cord 26 are held.
And are connected. Further, the sphere 28a held in the holder 34 is moved upward along the slit 34b,
By taking it out of the opening 34a, the pitch cord 27 and the operation cord 26 are easily separated as shown in FIG. Sphere 28 for connection with operation cord 26
a, 28b are spheres 28 for connection with the front cross 14
Since the same members as those a and 28b are used, the manufacturing operations of the spheres 28a and 28b of the pitch cord 27 can be shared, and the manufacturing cost can be reduced.

The operating cord 26 is inserted through an insertion hole 12c of a code guide 12b vertically provided below the head rail 12, and is led out via a stopper 12d at the left end of the head rail 12 in FIG. 20. One end of a connection cord 22 is further connected to the operation unit 20,
The other end of the connection cord 22 is connected to the bottom rail 16.

In the Roman shade configured as described above, when the front cross 14 is opened from the state where the front cross 14 is closed as shown in FIG. As shown in the drawing, the pitch cord 27 rises toward the head rail 12, and the lower sphere 28b of the pair of spheres 28 connected to the pitch code 27 comes into contact with the connecting tool 29 and pushes up the connecting tool 29. Since one end of the rod-shaped body 40 is lifted and slanted, a substantially mountain-shaped opening 4 is provided between the front crosses 14 adjacent to each other vertically (and between the lowermost front cross 14 and the bottom rail 16).
4 are formed, and the rear cloth 10 is exposed. Stopper 1
By fastening 2d to restrict the movement of the operation cord 26, the open state of the front cross 14 is maintained.
The front cross 14 can be opened to the maximum until the connecting member 29 connected to the pitch cord 27 is prevented from rising by the insertion portion 13, and the front cross 14 can be freely moved between the maximum open position and the closed position. Can be held by the stopper 12d.

When closing the front cross 14,
By operating the operation unit 20 to release the fastening of the stopper 12d and releasing the operation unit 20, the pitch cord 27 and the front cross 14 are lowered to the lowermost end by the weight of the rod-shaped body 40, and FIG. The state is as shown in FIG. At this time, even if the connecting tool 29 is caught on the rear cross 10 by friction, the sphere 28a above the pair of spheres 28 is
9, the front cross 14 can return to a closed state smoothly without causing opening / closing failure.

When the rear cross 10 is lifted up, the ball chain 30 is operated to wind the lifting cord 24 around the drum, and the lifting cord 24 is raised to raise the bottom rail in the same manner as in the known Roman shade. The bottom rail 16 can be raised while sequentially contacting the connecting portion 16 with the connecting portion 15 and the insertion portion 13. Further, by operating the ball chain 30 in the opposite direction to unwind the lifting cord 24 from the drum, the bottom rail 16 and the rear cross 10 are sequentially lowered by the weight of the bottom rail 16, and the rear cross 10 is closed. Can be.

When the front cloth 14 and the rear cloth 10 of the Roman shade are separated from the head rail 12 in which mechanical parts such as a drum and a rotating shaft are stored for washing, the operation of the opening / closing cord 18 is performed. The sphere 28a held by the holder 34 provided on the cord 26 is removed, and the operation cord 26 and the pitch cord 27 are separated. And
Disconnect one end of the lifting cord 24 from the bottom rail 16, remove one end of the lifting cord 24 from the cross by inserting each insertion part 13, and disconnect the one end of the connecting cord 22 from the bottom rail 16. By removing the upper end of the side cloth 10 from the head rail 12, the rear cloth 10 and the front cloth 14 are separated from the head rail 12 together with the pitch cord 27, as shown in FIG. The rod 40 from the part 14b,
The bottom rail 16 is pulled out from the bag-shaped portion at the lower end of the rear cloth 10 and is subjected to washing. In addition, balance 32
The bar-shaped member 40 is also removed from the head rail 12, and the bar-shaped member 40 is pulled out from the bag-shaped portion 32b and is provided for washing. After washing, the original state is restored by performing the reverse operation. Pitch code 2
Since 7 is washed together with the front cloth 14, the burden of connecting or removing the pitch cord 27 and the plurality of front cloths 14 to the general user is eliminated. The general user inserts one end of the simpler elevating cord 24 into the insertion portion 13.
, The work of removing or attaching only the lifting cord 24 from the cloth may be performed, and the work of separating and connecting the head rail 12 and the cloths 10 and 14 can be easily performed. When changing cloths 10 and 14,
Similarly, the cloths 10 and 14 are separated from the head rail 12,
Can be combined.

[0021]

As described above, according to the first aspect of the present invention, if the small-diameter portion of the opening / closing cord is inserted through the connecting member attached to the front cross, the opening / closing cord can be removed. The connecting member is restrained between the pair of upper large-diameter portions and lower large-diameter portions, and the opening / closing cord and the front cross are connected, so that the connecting operation can be performed by a simple operation. Since there are a plurality of front crosses, work efficiency can be greatly improved.

Further, according to the second aspect of the present invention, by passing the small diameter portion of the opening / closing cord from the entrance of the connecting member, the small diameter portion can be easily inserted into the insertion hole of the connecting member. Further, according to the third aspect of the present invention, since the opening / closing cord is separable into two cords, the lower cord connected to the front cloth at the time of washing the cloth or replacing the cloth by changing the pattern, The mechanism part can be separated into an upper cord remaining with the head rail in which it is stored, and thus the lower cord is subjected to washing together with the front cloth and the lower cloth, or replaced with another cloth.
Therefore, the burden of connecting the lower cord to the plurality of front crosses is not imposed on the general user, and the general user can easily perform the separation and connection work of the head rail and the cloth.

Further, according to the present invention, the upper cord and the lower cord can be connected only by holding one of the large diameter bodies in the holder. At the upper end of the lower cord, a large-diameter body for connecting the upper cord may be fixed in the same manner as the large-diameter body for connecting to the front cross. It can be shared and the manufacturing cost can be reduced.

[Brief description of the drawings]

FIG. 1 is an overall perspective view showing an embodiment of a Roman shade according to the present invention, showing a state in which a front cross is closed.

FIG. 2 is an overall perspective view showing a state where a front cross is opened.

FIG. 3 is a sectional view taken along line 3-3 in FIG. 1;

FIG. 4 is a sectional view taken along line 4-4 in FIG. 2;

FIG. 5 is an explanatory diagram showing a work of connecting an opening / closing cord and a front cross.

FIG. 6 is an enlarged view of a portion 6 in FIG. 1, showing connection between a pitch code (lower code) and an operation code (upper code).

FIG. 7 is an explanatory diagram showing a connection operation between a pitch code (lower code) and an operation code (upper code).

FIG. 8 is an explanatory diagram illustrating a separated state of a head rail and a cloth.

[Explanation of symbols]

 Reference Signs List 10 rear cross 12 head rail 14 front cross 18 opening / closing cord 26 operation cord (upper cord) 27 pitch cord (lower cord) 27a small diameter portion 28 sphere (large diameter) 28a upper sphere 28b lower sphere 29 coupling tool 29a entrance 29b insertion hole 34 holder

Continuation of the front page (56) References JP-A-9-252930 (JP, A) JP-A-9-221969 (JP, A) JP-A-59-44387 (JP, U) (58) Fields investigated (Int) .Cl. ⁷ , DB name) E06B 9/262 A47H 5/032 A47H 23/04 E06B 9/32

Claims (4)

(57) [Claims] 1. A plurality of front crosses are connected to a front surface of a rear cross whose upper end is connected to a head rail at intervals in a vertical direction of the rear cross, respectively. At an appropriate position other than the portion connected to the rear cross, in a Roman shade in which an opening / closing cord hanging down from the head rail is sequentially connected, the opening / closing cord is provided at the appropriate position of the front cross. Correspondingly, a pair of large-diameter bodies are vertically separated from each other and fixed to each other, and between the pair of upper large-diameter bodies and the lower large-diameter bodies of the opening / closing cord becomes a small-diameter portion, and the front side At the appropriate position of the cloth, a connecting tool through which the small-diameter portion of the opening / closing cord can be inserted, while the large-diameter body cannot be inserted is attached. Roman shade-off code by being inserted into the connector is characterized in that it is connected to the front cross. 2. The connecting tool has an insertion hole having an entrance through which the small-diameter portion of the opening / closing cord can pass, and the small-diameter portion of the opening / closing cord can insert through the insertion hole. The Roman shade according to claim 1, wherein the large-diameter body cannot be inserted through the insertion hole. 3. The opening / closing cord comprises an upper cord and a lower cord which are separably connected between a top connecting portion with a front cross and a head rail. The Roman shade according to 1 or 2. 4. A pair of large-diameter bodies are fixed to the upper end of the lower cord, and a holder is provided on the upper cord, and one of the pair of large-diameter bodies is held by the holder. 4. The Roman shade according to claim 3, wherein the upper cord and the lower cord are connected by the following.