JPH1113365A - Blind device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To always wind a blind on a winding shaft accurately without making wrinkles on both ends of the blind or waves and to let it off. SOLUTION: A bearing section having a winding shaft 18 is mounted to window frame such as automobile window, tec., and the winding shaft 18 is borne on the bearing section in a rotatable manner. A blind 26 is wound on the winding shaft 18, and it is so constituted that it can be let off from an opening 12a of the bearing section. High elastic tie members 40 fixed the blind 26 are wound on the winding shaft 18 together with the blind 26 and are let off from the winding shaft 18 with the blind 26, and when they are let off, rigidity is maintained in the letting off direction to make it possible to wind the blind 26 straightly without having any wrinkle.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roll-type blind device which uses a blind such as a sunshade installed in a window of an automobile or the like and a cover such as a luggage compartment concealing cover wound around a winding shaft.

[0002]

2. Description of the Related Art A general structure of a blind device of this type includes a support having a take-up shaft, a screen-shaped blind wound around the take-up shaft and capable of being extended from an opening of the support, and a blind. Winding means for returning the extended blind to the winding shaft. When the winding means is a manual type, a spring member such as a spiral spring is usually used.

[0003] In the case of an automatic blind device using an electric actuator such as a motor, the blind is both fed and wound by an electric actuator, or the blind is fed by an electric actuator, and the blind is wound by a spring member. Do.

[0004]

However, in general, the blind is often formed of a soft material such as cloth or leather.
Wrinkles and undulations occur at both ends. If wrinkles or undulations occur at both ends of the blind, the functionality will be impaired both when used as a sunshade and when applied as a concealed cover.

There is a method of driving the blind with a wire as a method of feeding and winding the blind of the winding type. However, the blind fed by such a wire system is brought into a fed state in which no waving or wrinkles occur at both ends thereof. In order to maintain the tension, it is necessary to always apply a predetermined tension to the wire during the feeding (during use), and considerable difficulty in design is considered.
Therefore, the problem to be solved by the present invention is to provide a blind device in which the roll-type blind is easily extended straight without applying forced tension during extension, and the entire blind is always in a tensioned state even during use. To provide.

[0006]

According to the present invention, there is provided a blind device comprising a support having a take-up shaft, a blind wound around the take-up shaft and capable of being extended from an opening of the support. A high-elasticity strip that is wound on the winding shaft together with the blind, is fed from the winding shaft with the blind, and maintains the rigidity in the feeding direction when fed. Is what you do.

In the blind device according to the present invention,
A driving means for rotating the winding shaft to feed the high elastic band material and the blind may be provided. In the blind device according to the present invention, it is preferable that the high elastic strip is fixed to both side edges and the center of the blind.

[0008]

In the blind device according to the present invention, the highly elastic member has elasticity so that it can be wound around the winding shaft and maintains rigidity in the unwinding direction when being unwound from the winding shaft.
There are no wrinkles or undulations in the blinds.

[0009]

Therefore, according to the blind device of the present invention, no wrinkles or undulations are generated, so that the entire blind is always in a tensioned state during use, so that the entire window frame is securely covered and used as a sunshade or a cover. Fully demonstrate the function of.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In the blind apparatus according to the present invention, the blind is made of a flexible material such as cloth or leather sheet and can be easily wound around a winding shaft.
The high elastic strip maintains elasticity that can be wound on the winding shaft and rigidity in the unwinding direction when unwound from the winding shaft. For example, high elasticity such as thin strip steel or polyacetal is used. Resin can be used. The high elastic strip having such properties may have, for example, an arc-shaped cross section and a shape that increases the bending rigidity from the inside to the outside of the arc.

The high elastic band may be fixed to the blind by sewing, or the high elastic band may be inserted into a bag provided in advance in the blind. Further, only one highly elastic member may be provided at the center of the blind. Furthermore, the high elasticity member need not be integral with the blind, but may be one that is wound around the winding shaft together with the blind. Further, it is preferable that the band width of the high elastic band material is narrowed toward the tip. As a result, the bending moment received by the wide winding shaft is reduced, and even when the blind is extended at an angle, the blind extends straight without being bent and is brought into close contact with an inclined window such as a rear window of a vehicle. Can be used as

Further, in the blind device in the embodiment in which the distal end side of the high elastic strip is narrowed, there is an advantage that the operation of the blind can be performed without hindrance even if the guides on both sides of the blind are omitted. Preferably, the high elastic strip is provided on both side edges of the blind. Thereby, generation of wrinkles on both sides of the blind can be prevented.

[0013] The high elastic strip can be provided at both side edges and the center of the blind. Thereby, generation of wrinkles can be further prevented as compared with the case where only both side edges are used. The high elastic strip provided at the center can have higher rigidity than the high elastic strips on both side edges. In a blind device having a plurality of high elastic strips, if at least the distal end of each high elastic strip is connected with a reinforcing material of the same quality as the high elastic strip, the blind can be further provided with tension. The reinforcing material may be a plate-like band material such as a general resin. Further, it is preferable that the weight is light.

The blind device according to the present invention may be extended in any of an upward direction, a downward direction and a lateral direction. Further, a direction inclined obliquely to the vertical direction, such as a window frame of an automobile, may be used. Further, the blind device according to the present invention can be applied to both a manual type and an automatic type. In the case of a manual configuration, it is preferable to provide a spring member for returning the blind to the take-up shaft. Further, in the case of an automatic configuration, a driving means for rotating and driving the winding shaft may be provided, and the high elastic band material and the blind may be wound and fed out together. Further, in the automatic type provided with a spring member for rewinding the blind, the feeding may be performed by the driving unit and the winding may be performed by the rewind spring member.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A blind device according to the present invention will be described more specifically with reference to FIGS. As shown in FIG. 3, the blind device according to the first embodiment of the present invention has a cylindrical member 12 having a cylindrical opening 12a on one side in the longitudinal direction, and is fitted to both ends of the cylindrical member 12. The support frames 14, 16 inserted through the cylindrical member 12 and the support frames 14, 1 as shown in FIG.
6 and a take-up shaft 18 rotatably supported by
(FIG. 1), and the support portion 20 is fixed to the predetermined window frame 10 with the opening 12a facing upward as shown in FIG.

A screen type blind 26 is wound around the winding shaft 18 as shown in FIG. The blind 26 can be extended at one end side from the opening 12a of the tubular member 12. A frame 28 is sewn to one end of the blind 26 to form a grip portion 30 for pulling out the blind 26 in the case of a manual operation. Guided members 32 projecting in the width direction of the blind 26 are provided at both ends of the grip portion 30.
Is provided. The guided portion 32 can be configured by making the frame 28 longer than the blind width and projecting from the blind.

The guided portion 32 is guided by a guide member 34 integrated with or separate from the support portion 20. In this embodiment, the guide member 34 is formed separately from the support portion 20 and is attached to the window frame 10. In addition, the window frame 10 is provided with a bank member 36 that defines a stop position of the leading end of the fed blind 26 as shown in FIG. The blind device of the present embodiment is of an automatic type, and a motor 22 is housed in one of the support frames 16 as shown in FIG. The drive shaft 22a of the motor 22 is
4 to the take-up shaft 18. Motor 22
Has a function of driving the winding shaft 18 in a direction in which the blind 26 is extended and a direction in which the blind 26 is wound by energization, and a function of locking the drive shaft 22a when power is not energized.

Next, the blind 26 is provided on both sides with a highly elastic strip 4 formed by processing strip steel into an arc-shaped cross section as shown in FIG.
0 is stitched. The high elastic strip 40 having such a cross-sectional shape has an increased bending rigidity from the inside to the outside of the arc,
It is wound on the winding shaft 18 together with the blind 26, and when it is unwound with the blind 26 from the winding shaft 18, the rigidity is maintained in the unwinding direction. still,
Preferably, the winding shaft 18 at the portion where the high elastic band material 40 is wound
When a groove corresponding to the arc shape is formed, the winding position of the high elastic strip 40 can be regulated.

The window frame 10 is provided by the blind device having the above structure.
Is concealed, the motor 22 is energized to drive the winding shaft 18. As a result, the blind 26 and the high elastic strip 40 are drawn out while the guided portion 32 is guided by the groove 34a of the guide member 34. Here, since the high elasticity band material 40 has elasticity in the extending direction, the blind 26 can be extended to the entire surface in a tension state.

When the blind 26 is completely unwound, the blind end comes into contact with the bank member 36, and the motor 22 is de-energized. As soon as the motor 22 is de-energized, the drive shaft 22a
Is locked, so that the blind 26 is maintained in the extended state. In this use state, in the blind device of this embodiment, the high elastic band material 40 is provided on both sides of the blind 26.
Is sewn, so that both sides of the blind 26 are reinforced, and the entire window frame 10 can be covered without wrinkles or the like, and fully function as a sunshade or a cover.

Next, when winding up the blind 26, the motor 22 is rotated in the reverse direction. Thereby, the blind 26 and the high elastic strip 40 are wound around the winding shaft 18. At this time, since the high elastic band material 40 in the present embodiment is processed into an arc-shaped cross section as shown in FIG. 2, the winding positions are overlapped, and the whole blind 26 is unwound straight when unwinding. Demonstrate function. Therefore, the smoothness of winding and feeding is guaranteed without the both ends of the blind 26 being caught by the end of the opening 12a.

In the blind device according to the present invention, the support portion 20 may be installed above the window frame 10 and the blind 26 may be extended downward. In such a downward feeding method, the guide member 34 is not necessarily required. Further, the motor 22 may be provided on the side opposite to the support portion 20 and the blind 26 may be drawn out with a wire.
In the blind device in this case, the guide member 34 is not required.

When the blind apparatus of this embodiment is changed to a manual type, it is only necessary to remove the motor 22, and the blind 26 of the automatic type can be used as it is. In the above embodiment, the blind device is extended upward, but the blind is extended upward or downward with respect to a window frame that is obliquely inclined, such as an automobile window, or the blind device is extended laterally. be able to.

(Second Embodiment) Next, a blind device according to a second embodiment of the present invention will be described. In the blind device of this embodiment, as shown in FIG. 5, a high elastic band 41 is provided at the center of the blind 26, and the high elastic band 4 at the center is provided.
1 and the high elastic strips 40 on both sides are formed in a trapezoidal shape that becomes thinner toward its tip.

As shown in FIG. 6, the high elastic strips 40 on both sides and the high elastic strip 41 at the center are provided with tip reinforcing members 46, 46 each having a strip-shaped tip made of a lightweight resin or the like. It is connected. The connection between the tip reinforcing member 46 and the high elastic strips 40 and 41 can be formed, for example, by forming a convex portion on one side and a concave portion on the other side and crimping or riveting. Although two tip reinforcing members 46 are used in the drawing, a single form may be used.

According to the blind device of the second embodiment, the entire blind 26 is tightly tensioned, and the guide member 34 used in the first embodiment can be eliminated. Further, since the front end side of the blind 26 is tapered, the rigidity on the wide winding shaft side is increased, the bending moment received on the winding shaft side is reduced, and the blind 26 is bent without bending obliquely. For example, even if it is installed on an inclined windowpane such as a rear window of a vehicle, it can adhere to the inclined windowpane and reduce sunshine from the window edge.

(Third Embodiment) As shown in FIG. 7, the blind device of the third embodiment comprises three high elastic bands 42 to 44 having the same rigidity as the high elastic bands 40 on both sides. It is provided in the center. Each high elastic band material 40, 42-4
No. 4 is tapered on the front end side similarly to the second embodiment. The distal ends of the high elastic strips 40, 42 to 44 are connected to each other by the distal end reinforcing members 46, 46 as in the second embodiment.

In the blind device of such an embodiment,
As in the second embodiment, the blind 26 can be extended without being bent obliquely, and the same component can be used as the high elastic band material, so that the cost can be reduced.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a use state of a blind device according to the present invention.

FIG. 2 is an explanatory view showing a means for imparting rigidity to a highly elastic member used in the present invention.

FIG. 3 is an exploded perspective view of the blind device according to the present invention.

FIG. 4 is a sectional view showing a configuration of a motor and a winding shaft of the blind device according to the present invention.

FIG. 5 is a perspective view showing a blind device according to a second embodiment of the present invention.

FIG. 6 is a view showing a blind device of a second embodiment showing a state in which a tip is connected.

FIG. 7 is a perspective view showing a blind device according to a third embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10 ... window frame, 12a opening, 20 ... support part, 22 ... motor (drive means), 26 ... blind, 32 ... magnet, 34 ...
Locking part, 36: suction member, 38: return spring, 40-4
4: High elastic band material, 46: Reinforcement material.

Claims (6)

[Claims] 1. A support having a take-up shaft, a blind wound around the take-up shaft and capable of being fed out from an opening of the support, A highly elastic strip that is fed with the blind and maintains rigidity in the feeding direction when the blind is fed. 2. The blind apparatus according to claim 1, further comprising a driving unit that rotationally drives the winding shaft to feed the high elastic band material and the blind. 3. The blind device according to claim 1, wherein said high elastic strip is fixed to both side edges of said blind. 4. The blind apparatus according to claim 1, wherein a high elastic strip having higher rigidity than the high elastic strip is fixed to both side edges of the blind and a central portion of the blind. 5. The blind device according to claim 1, wherein the width of the high elastic strip is narrowed toward the tip. 6. The blind apparatus according to claim 1, wherein at least each of the distal ends of the high elastic strip is connected by a reinforcing material.