JPH10159467A - Manipulating structure of blind - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a manipulating structure which can be manipulated by at least two kinds of cords of the first and the second manipulation cords without mutual interference of the manipulation cords and also without interference with shading bodies like cloths. SOLUTION: One end of a vertically moving-up and down cord 18 for the rear side cloth 10 is wound up on a drum 20 arranged in the head rail 14 so as to be wound up and off. And a case 40 rotatably supporting a rotary pulley integrally rotated with the drum in the interlocking motion with the drum 20 is provided at one end 14a of the head rail 14. A ball chain 28 hung on the pulley from the lower side of the case 40, is led outward. One end of opening/closing cord 32 to open/close the front side cloth 12 passes through a stopper part 46 which can restrict the transfer of the cord 32 provided at one end 14a of the head rail 14 and enters an insertion hole 50 formed in the case 40 and extends from one end 14a of the head rail 14 sideways.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a blind operating mechanism which can be operated by at least two types of operation codes, a first operation code and a second operation code.

[0002]

2. Description of the Related Art Conventionally, a blind operating mechanism of this type has been disclosed in Japanese Patent Application No. Hei 8-7211 previously filed by the present applicant.
No. 3 is described. This shows:
A plurality of front crosses are connected to the front surface of the rear cross connected to the head rail at predetermined intervals in the vertical direction of the rear cross. One end of the elevating cord, which is an operation cord, is wound around a drum arranged in the head rail so as to be wound and unwound, and the other end of the elevating cord hangs down from the head rail to form a rear cross. Is connected to the lower end. A pulley that rotates integrally with the drum is provided at one end of the head rail, and a first operation cord is wound around the pulley. By operating the first operation code, the pulley is driven to rotate, and the drum is rotated in the winding or unwinding direction in conjunction with the lifting / lowering cord hanging from the head rail, thereby raising and lowering the rear cross. It is supposed to.

An opening / closing cord, which is a second operating cord, is connected to an appropriate position other than a portion of the front cross hanging from the head rail and connected to the rear cross. Has one end inserted through a code guide provided in the head rail, passes through a stopper provided at one end of the head rail, and is led out of the stopper. By manipulating the opening / closing cord of the derived portion, the opening / closing cord is moved and the front cross is opened / closed.

[0004]

However, in such a conventional blind having two kinds of operation cords, usually, all of these operation parts are located at one end of the head rail for convenience of operation. In order to concentrate,
There is a problem that these operation codes may be entangled.

[0005] In order not to get entangled,
In order to arrange the operation part of one type of operation code, the operation part of one operation code must be arranged at the center of one end of the head rail, that is, at a part with a cross, and the operation part is There is a problem that the appearance may be impaired. For example, in the case of the above-described conventional technology, when the operating portion of the opening / closing cord derived from the stopper is led out to a position where the operating portion interferes with the front cross, the front cross is caught up by the operating portion during opening / closing operation of the front cross. There is a problem that the operation part formed on the opening / closing cord is exposed from between the front crosses vertically adjacent to each other, and the aesthetic appearance is impaired. .

The present invention has been made in view of such a problem, and the inventions of claims 1 to 3 do not cause interference between two types of operation codes and also interfere with a shield such as a cloth. It is an object of the present invention to provide a blind operating mechanism that does not need to be performed.

[0007]

In order to achieve the above object, according to the first aspect of the present invention, there is provided a drum in which one end of an operation cord for causing a shield to perform a first operation is provided on a drum arranged in a head rail. A case is provided at one end of the head rail, which rotatably supports a pulley that rotates integrally with the drum, and is rotatably supported on the pulley from below the case. The wound operation code is led out, and further, one end of the second operation code that causes the shield to perform the second operation is provided at one end of the head rail with a stopper capable of restraining the movement of the second operation code. In the blind operating mechanism, which is led out of the head rail, one end of the second operating cord is inserted laterally from one end of the head rail through an insertion hole formed in the case. And wherein the Rukoto.

According to a second aspect of the present invention, in the first aspect, the shield is provided at a predetermined distance in a vertical direction between the rear cross connected to the head rail and the rear cross. And a plurality of front crosses connected to each other, wherein the operation code moves the rear cross up and down, and the second operation code is a part of the front cross other than a portion connected to the rear cross. And the front cross is operated to open and close.

According to a third aspect of the present invention, in the first or second aspect, the stopper is built in the case. The shield is
The present invention is not limited to the one described in claim 2. For example, two independent cloths may be suspended by being separated from the head rail in the front-rear direction, and the first operation of the shield may be performed by raising or lowering one of the cloths. The present invention can be applied by setting the opening / closing and the second operation of the shield as lifting / lowering or opening / closing of the other cloth.

Alternatively, when the shield is a venetian blind composed of a number of slats, the first operation of the shield is rotation or elevation of the slat, and the second operation of the shield is elevation or rotation of the slat. The present invention can be applied.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an overall perspective view showing a blind operating mechanism according to the present invention. In the figure, 10
Is a rear cross whose upper end is connected to the rear surface of the head rail 14, and a bottom rail 15 is connected to a lower end of the rear cross 10. The upper ends of a plurality of front cloths 12 are connected to the front surface of the rear cloth 10 at intervals in the vertical direction of the rear cloth 10. Is configured. The rear cloth 10 and the front cloth 12 are made of different materials. For example, the rear cloth 10 is preferably made of a translucent material, and the front cloth 12 is preferably made of an opaque material.

On the front face of the head rail 14, a balance 13 having the same size and pattern as the front cloth 12 is connected. At the connecting portion between the rear cross 10 and the front cross 12, three insertion holes 16 are formed in the width direction of the cross so as to penetrate the connecting portion in the vertical direction. Cord 18 is inserted. That is, the lifting cord 18 has one end wound around a rotatably driven drum 20 disposed in the head rail 14 so as to be wound and unwound.
0 is connected to a rotating shaft 22 that rotates integrally therewith. The rotating shaft 22 extends in the longitudinal direction in the head rail 14 and is provided at one end 14 a of the head rail.
It is connected to a pulley 26 (see FIGS. 2 and 3) which is rotatably supported in the inside. A ball chain 28 as an operation code is wound around the pulley 26, and the ball chain 28 is led out from under the case 40. The other end of the lifting cord 18 hangs down from the head rail 14,
It is connected to the bottom rail 15 through a plurality of the insertion holes 16. By operating the ball chain 28 to rotate the pulley 26, the rotating shaft 22 and the drum 20, the lifting cord 18 is wound or unwound on the drum 20, and the rear cloth 10 can be raised and lowered.

The opening / closing cord 32, which is a second operation code, is inserted through each of the insertion holes 16 together with the lifting / lowering cord 18. That is, the opening / closing cord 32 hangs down from the lower portion of the head rail 14 so as to be able to move up and down, and is connected to an appropriate position other than the portion connected to the head rail 14 of the balance 13. The cloth 12 is sequentially connected to an appropriate position other than the part connected to the rear cloth 10, in this example, near the lower end 12 a (see FIG. 6) of the front cloth 12. One end of the opening / closing cord 32 is inserted into a cord guide 14 b vertically provided below the head rail 14, and extends along the longitudinal direction of the head rail 14 to a case 40 provided at one end 14 a of the head rail 14. It penetrates the formed insertion hole 50 and is led out from the one end 14a of the head rail 14 to the side, and the operating part 33 is provided in the led-out part. By operating the operation unit 33, the front cloth 12 can be opened and closed.

FIG. 2 is an exploded perspective view of the inside of a case 40 provided at one end 14a of the head rail 14, and FIG. The case 40 mainly includes the first case 42
And a second case 43, a fitting portion 44 fitted to the head rail 14, and a stopper portion 46 provided integrally with the first case 42 below the fitting portion 44.
A housing 48 for housing the pulley 26, an insertion hole 50 formed below the housing 48 to communicate with the stopper 46, and a second stopper 52 formed below the insertion hole 50. Is composed.

The fitting portion 44 is formed on the first case 42 and has an outer shape adapted to the internal shape of the head rail 14, and has a head rail inside as shown in FIGS. A cylindrical portion 44a extending to the 14 side is formed. The pulley 26 is stored in the storage section 48, and the pulley 2 is
6 is fitted into the cylindrical portion 44a provided in the fitting portion 44, and is further inserted into a polygonal hole 26b formed in the cylindrical portion 26a of the pulley 26. The pulley 26 is supported so as to rotate integrally with the rotating shaft 22. An endless ball chain 28 in which ball portions 28a and cord portions 28b are alternately connected is wound around the pulley 26.

The stopper portion 46 restrains movement of the opening / closing cord 32. As shown in FIG. 4, a stopper body 46a provided integrally with the first case 42, a fitting portion 44 and a stopper body 46 are provided. And a cover portion 46b inserted between 46a. Stopper body 46a
A knurl 46c is formed at the bottom of the knurl, and a nipping roller 46d is supported so as to roll the knurl 46c. The movement of the axis of the nipping roller 46d is guided by a guide groove 46e and a movable guide member (not shown) disposed over the guide groove 46e, and the guide member is located above the knurl 46c of the nipping roller 46d. The rolling direction of the knurl 46c is shifted from the first position near the upper left end of the knurl 46c in FIG. 3 to the second position closer to the right near the upper center of the knurl 46c in FIG. 3, and the center of the knurl 46c in FIG. Third position near left and knurl 4
Returning to the first position via a fourth position 6c near the upper right end of FIG. The cover 46b includes a fixed roller 46f for holding the opening / closing cord 32 together with the holding roller 46d. The opening / closing cord 32 holds the opening / closing cord 32 when the holding roller 46d is at the first position (the state shown in FIG. 3). The opening / closing cord 32 is prevented from moving in the loosening direction (upward movement of the operation unit 33) by being sandwiched between the roller 46d and the fixed roller 46f. The nipping roller 46d is moved from the first position to the second position by the movement of the opening / closing cord 32 in the pulling direction by the cooperation of the guiding member and the opening / closing cord 32. Move to the third position by moving in the direction,
The movement in the next pulling direction moves to the fourth position, and the next movement in the loosening direction returns to the first position, where the movement of the opening / closing cord 32 in the loosening direction is prohibited again.

Reference numeral 46g denotes a guide roller rotatably supported by the stopper body 46a. The guide roller 46g communicates with an outlet formed between the guide roller 46g and the cover portion 46b so as to communicate with the first case 42 and the first case 42. Each of the two cases 43 has an insertion hole 50 formed therein, and the opening / closing cord 32 passing through the stopper portion 46 passes between the front side and the rear side of the ball chain 28 wound around the pulley 26 (FIG. 5).
), And penetrate through the insertion hole 50 to be led out from the one end 14a of the head rail 14 to the side.

The second stopper 52 is provided with a pulley 2.
6, which restrains the movement of the ball chain 28 wound around 6, and has one groove portion 52a, 52a for preventing the movement of the ball portion 28a of the ball chain 28, one by one symmetrically in the front-rear direction. The first case 42 and the second case 43 are provided with locking prevention members 54 for preventing the ball chain 28 from approaching the one side (rear side) groove 52a so that the movement of the ball chain 28 can be restricted only by the groove 52a. It is sandwiched between. The locking prevention member 54 includes a cylindrical portion 43a provided in the second case 43 at the cylindrical portion 54a.
And a convex portion (not shown) formed on the lower side surface of the locking prevention member 54 is provided at the rear of the inclined front or rear regulating portions 43b, 43b provided on the second case 43. By interfering with the regulating part 43b on the side, it is held in a state inclined to the rear side. As shown in FIG. 5, the locking prevention member 54 causes the ball chain 28 to bypass the rear groove 52a, so that the ball chain 28 can be restrained only by the front groove 52a. The user can operate the ball chain 28 by removing the cord portion 28b of the ball chain 28 from the front groove portion 52a,
The cord portion 28b of the ball chain 28 is inserted into the front groove portion 52.
By stopping the movement of the lifting / lowering cord 18, the movement of the ball chain 28 is stopped. The rear groove 52a, the rear regulating portion 43b, etc.
This is for use when the case 40 is attached to the other end of the head rail 14 (the left side in the example of FIG. 1). In this case, the position of the locking prevention member 54 is changed so that the locking prevention member 54 always acts so as to prevent the ball chain 28 from approaching the rear groove 52a.

The first case 42 and the second case 43 are configured such that the locking claws 43 c of the second case 43 are connected to the first case 42.
And the screw 55 is fixed by being screwed into a screw portion formed on the inner surface of the cylindrical portion 43a of the second case 43 through the first case 42. In the blind constructed as described above, as shown in FIG.
When the operation unit 33 of the opening / closing cord 32 is pulled down from the closed state of the opening / closing cord 2, as shown in FIG.
The part hanging down from the head rail 14 rises, the front cloth 12 connected to the opening / closing cord 32 rises, and the rear cloth 10 is exposed between the front cloths 12 vertically adjacent to each other. Activate the stopper 46 to open and close the cord 3
By prohibiting the movement of the front cloth 2 in the loosening direction, the open state of the front cross 12 is maintained. After operating the operation unit 33 to make the opening / closing cord 32 movable, the user releases his / her hand from the operation unit 33, whereby the front cross 12 descends and returns to the closed state shown in FIG.

When the ball chain 28 is operated to rotate the pulley 26 to rotate the drum 20 in the winding direction, the lifting cord 18 is wound up, whereby the lifting cord 18 rises and the bottom rail 18 is raised. 15 are sequentially raised while contacting the insertion holes 16, so that the rear cross 10
It can be lifted. In the opposite direction, the ball chain 2
When the pulley 26 is driven to rotate to rotate the drum 20 in the unwinding direction, the lifting cord 18 is unwound, whereby the bottom rail 15 and the rear cross 10 are sequentially lowered by the weight of the bottom rail 15. I do.

The opening / closing cord 32 is configured to pass through the insertion hole 50 of the case 40 provided at the one end portion 14a and to be led out from the one end portion 14a of the head rail 14 to the side. At the time of the above operation, the front chain 12 is not entangled with the ball chain 28 led out below the case 40, and the operation portion 33 of the opening / closing cord 32 does not interfere with the front cloth 12. Sometimes, the front cross 12 does not catch on the operation unit 33 and the front cross 12 is rolled up.

Also, since the operation section 33 does not overlap with the rear cross 10 and the front cross 12, especially the front cross 1
When 2 rises, the operation part 33 is not exposed from between the front crosses 12 vertically adjacent to each other, and the aesthetic appearance is not impaired. Further, by providing the stopper portion 46 capable of restricting the movement of the opening / closing cord 32 integrally with the case 40, it is possible to reduce the work of attaching to the head rail 14. If it is difficult to integrally form the stopper main body 46a of the stopper portion 46 and the first case 42, it is preferable that the both are integrally fixed in advance by means such as adhesion or locking. Then, after the opening / closing cord 32 is inserted through the stopper main body 46a and the insertion hole 50, the cover 46b can be inserted into the stopper main body 46a. However, the stopper portion 46 is provided in the case 40
It is also possible to fix to the head rail separately from the head rail.

[0023]

As described above, according to the first aspect of the present invention, the operation code is led out from below the case provided at one end of the head rail, and the second operation code is formed on the case. The operation portion can be concentrated on one side of the head rail without being entangled by the two types of operation cords being drawn out laterally from one end of the head rail through the insertion hole to be inserted.

Also, since the portion of the second operation cord led out from the head rail does not overlap with the shield,
It does not impair the aesthetics and does not interfere with the shield itself. According to the second aspect of the present invention, the rear cross can be moved up and down by operating the operation code derived from below the case provided at one end of the head rail, and formed on the case. The front cross can be opened and closed by operating the portion of the second operation cord that is guided to the side from one end of the head rail through the inserted insertion hole. Then, these operation codes and the second operation code are not entangled.

In particular, the portion of the second operation cord that moves up and down and is led out from one end of the head rail to the side is as follows:
Since it does not interfere with the front cross, it does not disturb the opening and closing operation of the front cross, the front cross opens and this part is not exposed from between the vertically adjacent front crosses, and the aesthetic appearance of the design There is no loss. According to the third aspect of the present invention, since the stopper capable of restraining the movement of the second operation cord is built in the case, the work of attaching the second operation cord to the head rail can be reduced.

[Brief description of the drawings]

FIG. 1 is an overall perspective view showing a blind operating mechanism according to the present invention.

FIG. 2 is an exploded perspective view of the inside of a case provided at one end of the head rail of FIG. 1;

FIG. 3 is a longitudinal sectional view of one end of the head rail of FIG. 1;

FIG. 4 is a perspective view of the first case of the case of FIG. 2 as viewed from the head rail side.

FIG. 5 is a sectional view taken along line 5-5 in FIG. 3;

FIG. 6 is an overall perspective view showing a state in which a front cross is opened.

[Explanation of symbols]

 Reference Signs List 10 rear cross (shield) 12 front cross (shield) 14 head rail 14a one end of head rail 18 elevating cord (operation cord) 20 drum 26 pulley 28 ball chain (operation cord) 32 opening / closing cord (second operation) Code) 40 Case 46 Stopper (Stopper) 50 Insertion hole

Claims (3)

[Claims] An end of an operation cord for causing the shield to perform a first operation is wound around a drum arranged in a head rail so as to be wound and unwound, and one end of the head rail is provided with the end. A case is provided for rotatably supporting a pulley that rotates integrally with the drum, an operation code wound around the pulley is drawn out from below the case, and a second operation that causes the shield to perform a second operation is performed. (2) In a blind operating mechanism, one end of the operation code is led out of the head rail through a stopper provided at one end of the head rail and capable of restraining movement of the second operation code, wherein one end of the second operation code is provided. Is an operating mechanism for a blind, which is inserted through an insertion hole formed in the case and is led out from one end of the head rail to the side. 2. The shielding body comprises: a rear cross connected to a head rail; and a plurality of front crosses connected at predetermined intervals in a vertical direction of the rear cross. The operation code causes the rear cross to move up and down, and the second operation code is connected to an appropriate position other than a portion of the front cross connected to the rear cross, and opens and closes the front cross. Claim 1
The operating mechanism of the blind as described. 3. The blind operating mechanism according to claim 1, wherein the stopper is built in the case.