JPH1085119A - Curtain opening appliance - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a curtain opening-closing appliance with which a curtain can be fully opened/closed with simple structure. SOLUTION: Since a linear motor is arranged only on a lower curtain rail 50, power consumption at the time of opening/closing the curtain can be reduced and the device can be inexpensively constituted. In this case, since permanent magnets 12A and 12B are arranged for attracting a leading runner 42 of an upper curtain rail 10, in which the linear motor is not integrated, at a position corresponding to a curtain opening/closing end through magnetic force, when opening/closing a curtain 40, the iron plate of the leading runner 42 is attracted by the permanent magnets 12A and 12B and moved to the opening end and closing end positions so that the curtain 40 can be completely opened and closed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a curtain opening / closing device for opening and closing a curtain by a linear motor, and more particularly to a curtain opening / closing device which can be suitably used for opening and closing a curtain provided in a window of a back door of a vehicle. is there.

[0002]

2. Description of the Related Art Curtains are sometimes mounted on windows for the purpose of shading or the like in automobiles, and in some vehicles, the curtains are opened and closed electrically using a linear motor. Here, when the electric curtain is provided on the back window, as shown in FIG. 10A, the runner 42 is attached to both the upper upper curtain rail 210 and the lower lower curtain rail 250. , 4
4 was built in.

This is because it was difficult to fully open and close the curtain 40 when the linear motor was built in only one of the curtain rails. This will be described with reference to FIGS. 10B and 10C. In the curtain opening / closing device shown in FIGS. 10B and 10C, a linear motor (not shown) is provided only on the lower curtain rail 250 side, and the runner 44 of the lower curtain rail 250 is operated by the linear motor. Then, the runner 42 on the side of the upper curtain rail 210 is driven.
Here, as shown in FIG. 10B, when the curtain 40 is opened, the curtain cannot be completely opened on the side of the upper curtain rail 210 where the linear motor is not provided, and a part of the field of view is reduced. It was interrupted. Conversely, as shown in FIG. 10C, when closing the curtain 40, the upper curtain rail 210 side cannot completely close the curtain 40.

[0004]

Therefore, in the conventional curtain opening / closing device, a linear motor is built in both the upper curtain rail 210 and the lower curtain rail 250 as described above with reference to FIG. I was Therefore, the electric power required for opening and closing the curtain is large, and the overall weight is heavy. Further, there is another problem that the manufacturing cost is increased due to the complicated structure.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problem, and an object of the present invention is to provide a curtain opening / closing device capable of fully opening and closing a curtain with a simple structure. .

[0006]

In order to achieve the above object, in the curtain opening / closing device according to the first aspect, an upper curtain rail and a lower curtain rail are provided along upper and lower edges of a window, respectively. In addition to hanging the curtain on a plurality of runners that can be freely run,
A curtain opening / closing device that opens and closes the curtain by driving a first runner of an upper curtain rail or a lower curtain rail with a linear motor incorporated in the curtain rail, wherein the linear motor is not incorporated. It is a technical feature of the present invention that the side curtain rail is provided with an adsorbing means for adsorbing the leading runner of the curtain rail at a position corresponding to the open / close end of the curtain by magnetic force.

[0007] In the curtain opening and closing device according to claim 2,
A technical feature of the present invention is characterized in that the attracting means comprises a permanent magnet provided on the curtain rail side and a magnetic body provided on the leading runner side.

[0008] In the curtain opening and closing device according to claim 3,
3. The runner of claim 1, wherein the runner of the curtain rail on which the linear motor is not installed comprises a running portion that runs on the curtain rail, and a hook portion for hanging the curtain. However, it is characterized in that it is configured to be swingable in the traveling direction around the traveling portion.

Further, in the curtain opening and closing device according to claim 4,
According to a third aspect of the present invention, the curtain is characterized in that the curtain has a core material between a hook portion of a leading runner of the upper curtain rail and a hook portion of a leading runner of the lower curtain rail.

According to the first aspect of the present invention, since the linear motor is provided on only one of the upper curtain rail and the lower curtain rail, power consumption for opening and closing the curtain can be reduced, and the curtain opening and closing device can be configured at a low cost. .
Here, the curtain rail on the side where the linear motor is not incorporated is provided with an attracting means for attracting the leading runner of the curtain rail to a position corresponding to the open / close end of the curtain by magnetic force. Since the leading runner is sucked by the suction means and moves to the open end position and the closed end position, the curtain is completely opened,
Can be closed.

According to the second aspect of the present invention, since the magnetic material is provided on the leading runner running on the curtain rail and the permanent magnet is provided on the curtain rail side, the permanent magnet having a large magnetic force is provided. The curtain can be completely opened and closed by using the permanent magnet having a large magnetic force.

According to the third aspect of the present invention, the hook of the runner is
Since it is configured to be swingable in the traveling direction about the traveling portion, the followability of the runner is high, and the curtain can be smoothly fed even on the curtain rail side where the linear motor is not provided.

According to the fourth aspect of the present invention, since the curtain is provided with the core material, the curtain can be smoothly opened and closed, and the curtain fabric does not sag and the appearance of the curtain in the opened and closed state can be adjusted. it can.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments embodying the present invention will be described below with reference to the drawings. FIG. 1 shows a curtain opening / closing device according to a first embodiment of the present invention. As shown in the drawing, the curtain opening / closing device includes an upper curtain rail 10 and a lower curtain rail 50 disposed along upper and lower edges of a back window (not shown) of the vehicle. A linear motor, which will be described later, is provided on the lower curtain rail 50 side, and the leading runner 44 is transported by a mover 62 of the linear motor.

On the other hand, on the upper curtain rail 10 side,
No linear motor is provided, and iron plate 4
8 and a driven runner 43 driven by the leading runner 42 is slidably disposed.

FIG. 2 shows the lower curtain rail 5 shown in FIG.
0 is a sectional view taken along the line AA. The curtain opening / closing device according to the present embodiment is provided in a back window formed in a back door of a so-called one-box car. The back door has a back door trim 7 along the back door inner panel 70.
2, a bracket 74 for holding the lower curtain rail 50 is fixed to the back door inner panel 70 with screws 76 together with the back door trim 72. The head 76a of the screw 76 is hidden by a cover 78 which is detachably fitted to the bracket 74.

Next, the configuration of the linear motor in the inverted U-shaped rail 52 whose lower end forming the lower curtain rail 50 is open will be described. On the lower curtain rail 50, a plurality of permanent magnets 66 forming a stator are arranged along the length direction so that adjacent magnets have mutually different polarities. The permanent magnet 66 is housed in an inner rail 69 together with a yoke 68 arranged on the left side in the figure. On the other hand, on the outer periphery of the inner rail 69, a movable element 6 having a substantially U-shaped cross section is provided.
2 is slidably disposed in a direction perpendicular to the paper surface, that is, along the longitudinal direction of the inner rail 69. The mover 6
2 has a coil 64 therein. The coil 64
Is connected to a brush 65 disposed on the right side of the mover 62 in the drawing, and is selectively supplied with power from an overhead wire 60 in contact with the brush 65. That is, a conductive pattern (not shown) is formed on the overhead wire 60, and the energizing direction is switched according to the relative position between the coil 64 and the permanent magnet 66, so that a thrust in the movable element 62 is generated in a certain direction.

FIG. 3 is a view taken in the direction of arrow B in FIG. As shown in FIG. 2, at the lower end of the mover 62, a protruding piece 62a that protrudes horizontally to the left in the figure is formed. As shown in FIG. 3, a pair of engagement pieces 44 b extending vertically downward is formed at the lower end of the leading runner 44.
The leading runner 44 is transferred by the movable element 62 by the engagement between the projecting piece 62a on the second side and the engaging piece 44b. That is, as shown in FIG.
A runner rail 80 having an opening slit 80a is integrally formed on a left side surface of the lower runner rail 80. A leading runner 44 having a head 44a housed in the runner rail 80 slides along the longitudinal direction of the lower curtain rail 50. . The head (not shown) of the driven runner 45 shown in FIG. 3 is also accommodated in the runner rail 80 having the opening slit 80a, and slides along the longitudinal direction of the lower curtain rail 50. As shown in FIG. 2, a holding piece 44c for holding the hook 31 extends horizontally at the left end of the leading runner 44, and a through hole 44d formed in the center of the holding piece 44c. The hook 31 is held. As shown in FIG. 3, a holding piece 45c extends horizontally on the driven runner 45.
A through hole 45d for holding the hook 31 is formed in a central portion of c.

Next, the configuration of the upper curtain rail 10 without a built-in linear motor will be described with reference to FIGS. FIG. 4 is an enlarged view of the upper curtain rail 10 shown in FIG. Upper curtain rail 10
As shown in FIG. 4, a leading runner 42 in which an iron plate 48 is provided as a magnetic material and a driven runner 43 driven by the leading runner 42 are disposed. The permanent magnet 12B is disposed at the curtain open end stop position of the leading runner 42, that is, at the position of the leading runner shown in FIG. On the other hand, a permanent magnet 12 </ b> A is provided at the curtain closed end stop position of the leading runner 42.

FIG. 5A shows the configuration of the leading runner 42, and FIG. 5B shows the configuration of the driven runner 43.
5A, a side view of the leading runner 42 is shown on the right side, a front view of the leading runner 42 is shown in the center, and a side view of the roller 46 is shown on the left side. An iron plate 48 is accommodated in a substantially central portion of the leading runner 42. And the roller 4
A neck portion 42a is formed for fitting and rotatably holding the nut 6 therein. The roller 46 has a through hole 46a that is inserted into the neck 42a. A hook 30 for hanging the curtain 40 is provided at a lower end of the leading runner 42.
Is formed. The through hole 42
c, a hook 30 and an upper curtain rail 10
A pair of protruding pieces 42b is provided to prevent contact with the protruding part (see FIG. 6).

As shown in FIG. 5B, the driven runner 43
A neck portion 43a for holding the roller 46 is formed in the upper part of. At the lower end of the driven runner 43, a through hole 43c through which the hook 30 is inserted is formed, and a projecting piece 43b is formed at the upper portion of the through hole 43c.

Referring to FIG. 6 showing a cross section taken along the line CC of FIG.
The configuration of the upper curtain rail 10 will be described. In the first embodiment, the inverted U-shaped rail 18 having the open lower end constituting the upper curtain rail 10 is the same as the rail 5 on the lower curtain rail 50 side described above with reference to FIG.
The same thing as 2 is used. Then, on the side of the lower curtain rail 50 where the permanent magnet 66 constituting the stator of the linear motor is disposed, that is, between the rail 18 and the inner rail 16, the iron plate of the leading runner 42 is attracted. A permanent magnet 12B and a permanent magnet 12A (see FIG. 4) are provided as the attracting means. Further, on the lower curtain rail 50 side, at a portion where the yoke 68 of the permanent magnet 66 is disposed, a demagnetizing iron plate 14 for preventing the magnetic force of the permanent magnet 12B from going in the direction of arrow D in the drawing is disposed. ing. That is, the direction of the magnetic flux of the permanent magnet 12B is changed by the iron plate 14, thereby suppressing leakage to the outside.
A magnetic material such as an iron product is prevented from being attracted to the left side of the upper curtain rail 10 in the drawing.

The leading runner 42 described above with reference to FIG. 5A is provided so that the roller 46 can roll on the upper end of the inner rail 16. That is, the rotation of the roller 46 allows the leading runner 42 to run, and at the same time, around the neck 42 a pivotally supporting the roller 46.
The leading runner 42 is disposed so as to be swingable from the back side to the front side in the drawing, that is, in the traveling direction.

Next, the structure of the curtain 40 will be described with reference to FIG. In the first embodiment, a thick curtain 40 pleated is used, and the upper curtain rail 10 is used.
A wire 32 is disposed as a core material between the hook 30 hooked on the leading runner 42 of the first curtain runner and the hook 31 hooked on the leading runner 44 of the lower curtain rail 50. That is, the end of the curtain 40 is folded in two, and the wire 32 is accommodated in the folded part. A band 41 is provided near the upper end and near the lower end of the curtain 40, and the hook 30 of the leading runner 42 of the upper curtain rail 10 shown in FIG.
And the hooks of the driven runners 43 and 45 (not shown) are hooked.

Next, the operation of the curtain opening / closing device of the first embodiment will be described with reference to FIG. First, when the curtain 40 is opened, the coil 64 constituting the linear motor described above with reference to FIG. 2 is energized from the overhead wire 60, and the movable element 6 on the right side of the lower curtain rail 50 in FIG.
2 is driven to the right end position, and the mover 62 on the left side in the figure is driven to the left end position, and accordingly, the leading runner 44 moves to a predetermined open end position.

The first runner 4 on the lower curtain rail 50 side
According to the movement of 4, the leading runner 42 and the driven runner 43 on the upper curtain rail 10 side move. Here, FIG.
As described above with reference to FIG. 6 and FIG.
The driven runner 43 is configured to be swingable around the roller 46 in the traveling direction, and thus has high followability. For this reason, the upper curtain rail 1 having no linear motor
Even at 0, the leading runner 42 and the driven runner 43 can be transported smoothly.

Further, as described above with reference to FIG. 7, since the wire 32 is provided on the curtain 40,
The opening and closing of the curtain 40 is smooth, and the curtain fabric has no slack, so that the appearance of the curtain 40 in the opened and closed state can be adjusted.

Here, when the leading runner 42 on the upper curtain rail 10 is fed to the vicinity of the permanent magnet 12B in accordance with the movement of the leading runner 44 on the lower curtain rail 50 side, the leading runner 42 is moved by the magnetic force of the permanent magnet 12B.
The iron plate 48 (see FIG. 4) incorporated in the head is sucked, and after the leading runner 42 moves to a predetermined stop position, it is held by the permanent magnet 12B. Therefore, even on the side of the upper curtain rail 10 having no linear motor, the leading runner 42 moves to the open end position, and the curtain 40 can be fully opened. Further, since the leading runner 42 is held by the permanent magnet 12B at this open end position, the curtain 40 does not close due to vibration or the like during running of the vehicle.

On the other hand, when the direction of conduction of the overhead wire 60 is switched and the curtain 40 is closed, the mover 62 of the lower curtain rail 50 is driven to the center position in the figure,
Accordingly, the leading runner 44 moves to a predetermined closed end position. In accordance with the movement of the leading runner 44 on the lower curtain rail 50 side, the leading runner 4 on the upper curtain rail 10 side
2 is driven. When the leading runner 42 is sent to the vicinity of the permanent magnet 12A, the iron plate 48 built in the leading runner 42 by the magnetic force of the permanent magnet 12A (see FIG. 4).
Is sucked and the leading runner 42 moves to a predetermined stop position, and is then held by the permanent magnet 12A, and the curtain 4
0 is fully closed.

In this embodiment, the leading runner 4
Since the iron plate 48 is provided on the side 2 and the permanent magnets 12B and 12A are provided on the side of the upper curtain rail 10, the permanent magnet having a large magnetic force can be provided, and the permanent magnet having a large magnetic force can be provided. The curtain 40 can be completely opened and closed by using. Further, in the first embodiment, the rail 1 of the upper curtain rail 10
8, a lower curtain rail 50 accommodating a linear motor
Since the same rail 52 is used, there is an advantage that it can be constructed at low cost.

A curtain opening / closing device according to a second embodiment of the present invention will be described with reference to FIGS. Here, since the lower curtain rail of the second embodiment has the same configuration as that of the first embodiment, only the upper curtain rail 110 that does not incorporate a linear motor will be described.

FIG. 8A is a sectional view of the upper curtain rail 110 of the curtain opening / closing device according to the second embodiment.
FIG. 8B is a perspective view of the leading runner 142 of the upper curtain rail 110. As shown in FIG. 8A, the upper curtain rail 110 has a first opening slit 110a opened at a lower end thereof.
A first runner rail 110b is formed on the upper part of the first runner rail 110b. Further, a second opening slit 110c is formed above the first runner rail 110b, and a second runner rail 110d is formed above the second opening slit 110c.

On the other hand, as shown in FIG. 8B, the leading runner 142 has a through hole 142d at a lower end for supporting a hook for hanging a curtain, and an upper curtain rail 110.
A first flange portion 142a that supports the bottom surface side of the first runner rail 110b, a second flange portion 142b that slides on the upper surface side of the first runner rail 110b, and a horizontally elongated member that slides on the second runner rail 110d. A third flange 142c is formed. The third flange 1
At the left end in the drawing of FIG.
Reference numeral 48a denotes an L-shaped iron plate 1 at the right end in the figure.
48b is attached.

FIG. 9A shows the upper curtain rail 11.
FIG. 9B is a cross-sectional view showing a central portion of FIG. 9 and FIG. 9B is a cross-sectional view showing an end portion. The driven runner 143 is configured such that the head 143 a has the first runner rail 110 of the upper curtain rail 110.
It is supported so that it can run by sliding on b. As shown in FIG. 9A, the upper curtain rail 1
A permanent magnet 112 </ b> A is provided at a central portion of 10, that is, at a curtain closed end stop position of the leading runner 142. On the other hand, as shown in FIG.
A permanent magnet 112 </ b> B is provided at the end of No. 10, that is, at the curtain open end stop position of the leading runner 142.

Here, the operation of the curtain opening / closing device of the second embodiment will be described. When the leading runner on the lower curtain rail side is fed to the closed end position by the lower curtain rail (not shown), the leading runner 142 on the upper curtain rail 110 side is moved to the center as shown in FIG. Move to position. And the top runner 1
42 is sent to the vicinity of the permanent magnet 112A, the iron plate 148a attached to the leading runner 142 is attracted by the magnetic force of the permanent magnet 112A, and the leading runner 142 moves to the closed end position. 112A
And the curtain 40 is fully closed.

Conversely, when the leading runner on the side of the lower curtain rail is fed to the open end position by the lower curtain rail, the leading runner on the side of the upper curtain rail 110 is driven by this, as shown in FIG. 9B. 142 moves to the end. When the leading runner 142 on the upper curtain rail 110 side is sent to the vicinity of the permanent magnet 112B, the iron plate 148b attached to the leading runner 142 is attracted by the magnetic force of the permanent magnet 112B, and the leading runner 142 is moved to the open end position. After moving, the permanent magnet 112
It is held at B. Therefore, even in the upper curtain rail 110 having no linear motor, the leading runner 1
42 moves to the open end position, and the curtain 40 can be fully opened. Further, since the leading runner 142 is held by the permanent magnet 112B or the permanent magnet 112A at the open end position and the closed end position, the curtain 40 does not close due to vibration or the like during running of the vehicle. In the present embodiment, a case where the present invention is applied to a double-opening curtain rail is described. However, it is needless to say that the present invention can be applied to a single-opening curtain opening / closing device.

[0037]

As described above, according to the curtain opening / closing device of the present invention, since the curtain is fed by the linear motor provided on one of the curtain rails, power consumption when the curtain is opened / closed can be suppressed. In addition, since the linear motor is provided only on one of the curtain rails, the curtain opening / closing device can be made lightweight. In addition, since the curtain can be fully opened and fully closed by disposing the linear motor only on one of the upper curtain rail and the lower curtain rail, the curtain opening / closing device can be configured simply and inexpensively, and the reliability can be improved. it can.

[Brief description of the drawings]

FIG. 1 is a perspective view of a curtain opening and closing device according to a first embodiment of the present invention.

FIG. 2 is a sectional view taken along line AA of the lower curtain rail shown in FIG.

FIG. 3 is a view of the lower curtain rail shown in FIG.

FIG. 4 is an enlarged view of the upper curtain rail shown in FIG.

FIG. 5A is a front view, a side view, and a side view of a roller of a leading runner of an upper curtain rail.
(B) is a front view of a driven runner of the upper curtain rail,
It is a side view and a side view of a roller.

6 is a sectional view of the upper curtain rail shown in FIG. 4 taken along the line CC.

FIG. 7 is a perspective view of a curtain.

FIG. 8A is a sectional view of an upper curtain rail according to a second embodiment of the present invention, and FIG. 8B is a perspective view of a leading runner.

FIG. 9A is a cross-sectional view showing a central portion of an upper curtain rail of a curtain opening / closing device according to a second embodiment of the present invention, and FIG. 9B is a cross-sectional view showing an end portion. It is.

FIG. 10 (A) is an explanatory view of a curtain opening / closing device according to the related art, and FIG. 10 (B) is a diagram illustrating a case where a linear motor is omitted from one curtain rail of the curtain opening / closing device of the related art. It is explanatory drawing of a curtain open state, FIG.
0 (C) is an explanatory diagram of a curtain closed state when the linear motor is omitted from one of the curtain rails of the conventional curtain opening / closing device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Upper curtain rail 12A, 12B Permanent magnet 18 Rail 32 Wire 40 Curtain 42 First runner 43 Follower runner 44 First runner 45 Follower runner 46 Roller 48 Iron plate 50 Lower curtain rail 52 Rail 62 Mover

Claims (4)

[Claims] An upper curtain rail and a lower curtain rail are respectively provided along upper and lower edges of a window, and the curtain is hung on a plurality of runners respectively provided on both curtain rails so as to be free to travel. A curtain opening / closing device that opens and closes the curtain by driving one leading runner of a rail or a lower curtain rail with a linear motor incorporated in the curtain rail, wherein a side of the side where the linear motor is not incorporated is provided. A curtain opening / closing device, wherein a suction means for magnetically attracting a leading runner of the curtain rail to a position corresponding to an opening / closing end of the curtain is provided on the curtain rail. 2. The curtain opening / closing device according to claim 1, wherein the attraction means includes a permanent magnet provided on a curtain rail side and a magnetic body provided on the leading runner side. 3. A runner of a curtain rail on a side where the linear motor is not incorporated is composed of a traveling portion for traveling on the curtain rail and a retaining portion for retaining a curtain, wherein the retaining portion comprises: The curtain opening / closing device according to claim 1 or 2, wherein the curtain opening / closing device is configured to be swingable in a traveling direction about the traveling portion. 4. The curtain opening and closing according to claim 3, wherein the curtain has a core material between a hook of a leading runner of the upper curtain rail and a hook of a leading runner of the lower curtain rail. apparatus.