KR101884509B1

KR101884509B1 - Electric blind

Info

Publication number: KR101884509B1
Application number: KR1020160008801A
Authority: KR
Inventors: 진상용
Original assignee: 진상용
Priority date: 2016-01-25
Filing date: 2016-01-25
Publication date: 2018-08-01
Also published as: KR20170088651A

Abstract

More particularly, the present invention relates to an electric blind, and more particularly, to an electric blind, which can be used without a separate driving shaft by providing a driving unit inside a rotary drum and using a driving unit to rotate the rotary drum directly, And to provide a constant rotating force to the winding roll installed at a predetermined interval in the rotating drum.
An electric blind according to the present invention includes: a case; A cap fastened to both sides of the case; At least one stationary frame inserted and fixed into the case; A supporting ring fixedly inserted into the fixing frame and having a fixing ring connected to a first wire on an outer circumferential surface thereof; A winding roll inserted and fixed so as to penetrate into the support portion, a spiral guide groove formed on an outer circumferential surface thereof, and a second wire wound around the guide groove; A rotating drum inserted and fixed into the inside of the winding roll and rotated by an external force; And a driving unit which is located inside the rotary drum and is fastened and fixed to the inside of the cap and provides rotational power to the rotary drum by the operation of a wireless remote controller, wherein one end of the driving unit is fastened and fixed to the inside of the cap , And the other end is a middle portion of the rotary drum; And a fixture fastened and fixed to a rotary shaft connected to the other end of the body, inserted and fixed in the rotary drum, and rotated by the rotation of the rotary shaft to rotate the rotary drum.

Description

ELECTRIC BLIND

More particularly, the present invention relates to an electric blind, and more particularly, to an electric blind, which can be used without a separate driving shaft by providing a driving unit inside a rotary drum and using a driving unit to rotate the rotary drum directly, And to provide a constant rotating force to the winding roll installed at a predetermined interval in the rotating drum.

Generally, curtains or blinds are installed in a house or office due to problems such as privacy protection or mining or heating, and curtains or blinds are struck or walked as needed. Blinds used for such purposes are vertically openable And a horizontal opening type. All of them are formed so as to be able to control the degree of lighting by adjusting the direction, that is, the angle, so that the configuration of the blind is very similar to that of the opening and closing of the blind.

However, in the case of the conventional manual blind, it is inconvenient to use the curtain or the blind to adjust the angle of the curtain or the blind to the place where the blind was directly installed.

In order to solve such inconveniences, an electric blind operated by an electric motor has been recently proposed. Such an electric blind is equipped with a motor and a power transmitting device inside the case, so that the shading blades are automatically lifted So that it can be opened and closed.

The above-described electric blind is used by connecting a driving portion to a drive portion on one side of the case, connecting a driving shaft to the driving portion, and connecting the wire to the winding roll in a state where at least one winding roll is installed in the driving shaft.

However, in the conventional electric blind, since the driving part is connected to only the end of the driving shaft, the driving shaft having a predetermined length can not be rotated accurately. Particularly, since the load is concentrated on the driving shaft, .

(Document 1): Domestic registered patent No. 20-0476751 (registered on Mar. 24, 2015) (Document 2): Korean Patent No. 10-1572522 (registered on Nov. 23, 2015) (Document 3): Domestic Registration No. 10-1573011 (registered on Nov. 24, 2015) (Document 4): Korean Patent No. 10-1573058 (registered on Nov. 24, 2015)

The present invention can be used without the need for a separate drive shaft by using a drive unit provided inside the rotary drum so that the drive unit directly rotates the rotary drum, thereby preventing the rotary drum from being bent to have a certain diameter, And to provide a constant rotation force to the winding roll installed spaced apart from each other.

The various problems to be solved by the present invention are not limited to the above-mentioned problems, and other problems not mentioned can be clearly understood by those skilled in the art from the following description.

An electric blind according to the present invention includes: a case; A cap fastened to both sides of the case; At least one stationary frame inserted and fixed into the case; A supporting ring fixedly inserted into the fixing frame and having a fixing ring connected to a first wire on an outer circumferential surface thereof; A winding roll inserted and fixed so as to penetrate into the support portion, a spiral guide groove formed on an outer circumferential surface thereof, and a second wire wound around the guide groove; A rotating drum inserted and fixed into the inside of the winding roll and rotated by an external force; And a driving unit which is located inside the rotary drum and is fastened and fixed to the inside of the cap and provides rotational power to the rotary drum by the operation of a wireless remote controller, wherein one end of the driving unit is fastened and fixed to the inside of the cap , And the other end is a middle portion of the rotary drum; And a fixture fastened and fixed to a rotary shaft connected to the other end of the body, inserted and fixed in the rotary drum, and rotated by the rotation of the rotary shaft to rotate the rotary drum.

The fixing frame may include: a hole formed in a circular shape so that the winding roll can be inserted in the longitudinal direction of the case; A guide protrusion formed in a spiral shape on an inner circumferential surface of the hole and fastened to a guide groove formed in the winding roll, the guide protrusion moving the winding roll while being rotated in the longitudinal direction by an external force; An opening formed by cutting a part of an intermediate portion in a direction intersecting the longitudinal direction of the fixed frame so that the supporting portion can be inserted and fixed; A first lead-out portion formed at the bottom of the opening to draw the first wire; And a second lead portion located at a distance from the first lead portion and formed at the bottom of the hole to draw the second wire.

A partition which is formed at both ends of the support portion and which prevents the fixing ring from being released to the outside by an external force; And a first projection formed on an inner circumferential surface of the support portion and inserted and fixed in an insertion groove formed in an outer circumferential surface of the takeup roll so that the support portion can be rotated in the same direction by rotation of the takeup roll .

An outer guide groove formed at a predetermined interval in the outer circumferential direction of the rotary drum and configured to be engaged with a second projection formed on the winding roll; An inner guide groove formed at a predetermined interval in an inner circumferential direction of the rotary drum and adapted to engage with a third projection formed on an outer circumferential surface of the fixing table; And a concavo-convex portion formed on the inner circumferential surface and the outer circumferential surface of the rotary drum, the concavo-convex portion being formed as a groove having a predetermined depth in the longitudinal direction and being spaced apart from the rotary drum by a predetermined distance, .

The details of other embodiments are included in the detailed description and drawings.

INDUSTRIAL APPLICABILITY The electric blind according to the present invention can be used without the need for a separate drive shaft by providing a driving part inside the rotary drum so that the driving part directly rotates the rotary drum, and the rotary drum is formed so as to have a certain diameter, It is possible to provide a constant rotating force to the winding roll installed at a predetermined interval in the rotary drum.

It will be appreciated that embodiments of the technical idea of the present invention can provide various effects not specifically mentioned.

1 and 2 are perspective views of an electric blind according to the present invention.
3 is an exploded perspective view of the electric blind according to the present invention.
4 and 5 are sectional views of the electric blind according to the present invention.
FIG. 6 is a view illustrating a state in which a driving unit and a rotary drum are coupled to each other in the electric blind according to the present invention.
7 is a view showing a state in which the support portion and the winding roll are engaged in the electric blind according to the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and how to accomplish them, will become apparent by reference to the embodiments described in detail below with reference to the accompanying drawings. However, the present invention is not limited to the embodiments described herein but may be embodied in other forms. Rather, the embodiments disclosed herein are provided so that the disclosure can be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, the thicknesses of layers and regions are exaggerated for clarity.

The terms first, second, etc. may be used to describe various components, but the components are not limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may be referred to as a first component.

Terms such as top, bottom, top, bottom, or top, bottom, etc. are used to distinguish relative positions in components. For example, in the case of naming the upper part of the drawing as upper part and the lower part as lower part in the drawings for convenience, the upper part may be named lower part and the lower part may be named upper part without departing from the scope of right of the present invention .

The terminology used in this application is used only to describe a specific embodiment and is not intended to limit the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In this application, the terms "comprises", "having", and the like are used to specify that a feature, a number, a step, an operation, an element, a part or a combination thereof is described in the specification, But do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the meaning in the context of the relevant art and are to be construed as ideal or overly formal in meaning unless explicitly defined in the present application Do not.

Hereinafter, preferred embodiments of the electric blind according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view of an electric blind according to the present invention, FIG. 3 is an exploded perspective view of the electric blind according to the present invention, FIGS. 4 and 5 are sectional views of the electric blind according to the present invention, FIG. 7 is a view showing a state in which a driving part and a rotating drum are engaged in an electric blind according to the invention, and FIG. 7 is a view showing a state in which a supporting part and a winding roll are engaged in the electric blind according to the present invention.

1 to 7, an electric blind according to the present invention includes a case 100, a cap 200, a stationary frame 300, a support 400, a stationary ring 500, a take-up roll 600, A drum 700, a fixing table 800, and a driving unit 900.

The case 100 is formed in a square shape having a predetermined length and an opened frame at both sides, and a cover (not shown) may be slid on the upper opened portion to finish the upper portion.

In addition, at least one through hole is formed in the bottom of the case 100 where the fixed frame is located, and the cap 200 is inserted into the opened portion of the case 100, and the case 100 is fastened and fixed with bolts or the like, .

The fixed frame 300 is formed in a rectangular shape so as to be inserted and fixed in the case 100 of a rectangular shape and has a circular hole (not shown) for inserting the winding roll 600 in the longitudinal direction of the case 100 310 and the guide protrusion 320 may be spirally formed on the inner side of the hole 310.

The guide protrusion 320 may be formed so as to be coupled to the guide groove 610 formed in the winding roll 600 and to move the winding roll 600 while being rotated in the longitudinal direction of the winding roll 600 by an external force .

The fixing frame 300 is partially cut in the middle of the longitudinal direction, that is, in the direction crossing the longitudinal direction, and the opening 330 is formed. In the middle front and rear of the opening 330, .

The fixed frame 300 includes a first lead portion 350 formed on the bottom surface of the opening 330 and a second lead portion 360 formed on the bottom of the hole 310 to be spaced apart from the first lead portion can do.

The first lead portion 350 leads the first wire 10 connected to the stationary ring 500 to the outside while the second lead portion 360 is connected to the second wire 20 May be formed to be drawn out to the outside.

For example, the first wire 10 is connected to both sides of the slate 30 so that the slate 30 is inclined upward or downward within a certain range, and the second wire 10, which is connected through the middle of the slate 30, The first wire 10 and the second wire 20 are arranged such that a plurality of slats 30 are stacked so that the plurality of slats 30 are in close contact with each other or a plurality of slats 30 are spaced apart from each other by a predetermined distance, It is possible to prevent the second wires 20 from being twisted with each other.

At least one fixed frame 300 may be inserted according to the length of the case 100. For example, when the length of the case 100 is less than 1 m, two fixed frames 300 may be inserted, When the length of the case is 4 m or more, it is preferable that four or six fixed frames 300 are inserted and fixed at a predetermined distance from each other.

The supporting part 400 is inserted and fixed into the opening 330 formed in the fixed frame 300. The cylindrical fixing part 500 is fastened to the outer circumferential surface of the cylindrical part and the pair of first projections 420 May be formed.

The support part 400 may have a partition 410 at both ends thereof to prevent the fixing ring 500 fastened to the outer circumferential surface from being detached to the left or right by an external force.

The first projection 420 may be provided to be inserted in the insertion groove 620 formed in the winding roll 600 and rotated in the same direction as the winding roll 600 rotated by the rotary drum 700 .

The fixed ring 500 is formed in the form of a torsion spring so that one end and the other end thereof are positioned close to each other and the first wire 10 is fixed to one end and the other end, To be inclined within a range or to be in a horizontal state.

The fixing ring 500 is fixed to the outer circumferential surface of the supporter 400 by an elastic force and is rotated in the same direction when the supporter 400 is rotated to restrict the rotation by the engaging jaws 340 formed on the fixed frame 300 . That is, the fixing ring 500 is fixed to the outer circumferential surface of the supporter 400 by elastic force. When one end or the other end of the fixing ring 500 is caught by the jaw 340 due to the rotation of the supporter 400, (500) is rotated only by the support part (400) in a state where the support part (400) is caught by the engagement step (340). When the fixing ring 500 is in a state in which it can not be rotated by the latching jaws 340, the slate 30 is in an inclined state. When one end or the other end of the fixing ring 500 rotates in the upward direction, (30) is in a horizontal state.

The winding roll 600 is formed in the shape of a cylindrical pipe having a predetermined length, and a guide groove 610 is formed in a spiral shape on the outer circumferential surface, and at least one second protrusion 630 is formed on the inner circumferential surface .

The winding roll 600 is inserted and fixed to the inside of the supporting part 400 and inserted into the insertion groove 620 which is fitted with the first protrusion 420 formed on the supporting part 400 so as to rotate the supporting part 400 May be formed at positions corresponding to the first protrusions 420.

Further, the wind-up roll 600 can be moved leftward and rightward within a certain range along the longitudinal direction of the rotary drum 700 by an external force. That is, when the rotary drum 700 is rotated by the driving unit 900, the winding roll 600 is rotated in the same direction and the length of the rotary drum 700 is controlled by the spiral guide protrusions 320 formed on the fixed frame 300, Direction. Here, the fixed frame 300 is fixed to the case 100, and the supporting part 400 fixedly inserted into the fixed frame 300 is also fixed by the fixed frame 300.

On the other hand, one end of the second wire 20 is fixed to one side of the guide groove 610 formed in the take-up roll 600 and the second wire 20 is guided by the guide groove 610 by the rotation of the take- As shown in Fig. That is, when the winding roll 600 is rotated in the forward direction, the second wire 20 is wound on the guide groove 610 and the slate 30 is moved upward to stack the layers, and the winding roll 600 moves in the reverse direction The second wire 20 is loosened in the guide groove 610 so that the slats 30 are moved downward to be spaced apart from each other by a predetermined distance. At this time, When the winding roll 600 is slightly rotated in the forward direction so that one end or the other end of the fixing ring 500 is moved to the upper portion of the supporting portion 400, the first wire 10 fixed to the front and rear of the slate 30 Or horizontally while moving the slate 30 downward.

The rotating drum 700 is formed in the shape of a pipe tube having a cylindrical shape and one end and the other end of the rotating drum 700 are coupled to the cap 200 provided on both sides of the case 100 so as to be rotatable, And may be provided to rotate the winding roll 600.

The rotary drum 700 can be rotated by a driving unit 900 by inserting and fixing a fixing table 800 connected to one end of the driving unit 900. That is, when the driving unit 900 is rotated, the rotating drum 700 engaged with the fixing table 800 is rotated and the winding roll 600 fixed to the rotating drum 700 can be rotated.

Meanwhile, the rotary drum 700 may include an outer guide groove 710, an inner guide groove 720, and a concave / convex portion 730.

The outer guide groove 710 is disposed at the same position as the second protrusion 630 at a predetermined interval in the outer circumferential direction of the rotary drum 700 and corresponds to the second protrusion 630 formed in the winding roll 600 Or the like.

The second protrusion 630 is inserted and fixed in the outer guide groove 710 so that the rotary drum 700 and the winding roll 600 are engaged with each other and the rotary drum 700 and the winding roll 600 are rotated by the driving unit 900, (600) can be rotated at the same time.

At least one or more inner guide grooves 720 may be formed in the inner circumferential direction of the rotary drum 700 so as to be spaced apart from each other by a predetermined distance. That is, when the fixing table 800 is inserted into the rotary drum 700, the third protrusion 810 formed on the fixing table 800 is inserted and fixed into the inner guide groove 720 so that the rotary drum 700 and the fixing table 800 So that it can be engaged.

The concave and convex portions 730 are formed on the inner circumferential surface and the outer circumferential surface of the rotary drum 700 as grooves having a predetermined depth in the longitudinal direction and are formed in plural numbers so as to be spaced apart from each other in the circumferential direction of the rotary drum 700, To lighten the weight of the device.

For example, the rotary drum 700 may be formed of a rigid metal material to support the load of the slate 30 connected to the second wire 20 to the winding roll 600, If the length is longer than the predetermined length, the entire load of the electric blind becomes heavy. In order to solve such a problem, in the present invention, the irregularities 730 are formed on the inner circumferential surface and the outer circumferential surface of the rotary drum 700 to reduce the total load of the electric blind.

The fixing table 800 is fixed to the rotary shaft 920 of the driving unit 900 and inserted and fixed to the rotary drum 700 and a plurality of third protrusions 810 may be formed on the outer circumferential surface . That is, the fixing table 800 may be provided to receive the rotational power from the driving unit 900 to rotate the rotary drum 700.

The third protrusion 810 is formed at the same position as the inner guide groove 720 so as to be inserted into the inner guide groove 720 formed in the rotary drum 700 and is formed in a shape corresponding to the inner guide groove 720 .

The driving unit 900 is located inside the rotary drum 700 and is fixed inside any one of the caps 200 provided at both ends of the case 100. When the wireless remote controller Lt; / RTI > The driving unit 900 may include a body 910 having a predetermined length and a rotary shaft 920 connected to one end of the body 910.

The driving unit 900 may be installed in a built-in manner so as to be installed inside the rotary drum 700, may be electrically connected to an external battery, and may be used as a rotary motor operated by a wireless remote controller.

The body 910 may be formed to have a predetermined length so that a portion of the rotary shaft 920 connected to one end of the body 910 may be positioned at an intermediate portion of the rotary drum 700. That is, the conventional rotary motor is installed and fixed to the outside of the electric blind, and is used in a state in which it relies on the drive shaft. Such a conventional method has a problem that the drive shaft is bent when used for a long period of time. The rotational force can not be transmitted to the take-up roll of the take-up reel. In order to solve such a problem, in the present invention, the length of the body 910 is lengthened so that the rotating power is transmitted to the rotary drum 700 in a state where the fixing table 800 is positioned at the middle portion of the rotary drum 700.

When the fixing table 800 is positioned at the middle portion of the rotary drum 700 as described above, the rotary power provided to the rotary drum 700 can be constantly provided.

Meanwhile, the principle of the driving unit 900 controlled by the wireless remote controller is well known to those skilled in the art, and a detailed description thereof will be omitted in an embodiment of the present invention.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood that the invention may be practiced. It is therefore to be understood that one embodiment described above is illustrative in all aspects and not restrictive.

10; A first wire 20; The second wire
30; Slate 100; case
200; Cap 300; Fixed frame
310; Hole 320; Guide projection
330; Opening 340; Jaw
350; First drawer 360; The second draw-
400; A support 410; bulkhead
420; A first projection 500; Fixed ring
600; A winding roll 610; Guide groove
620; An insertion groove 630; The second projection
700; Rotary drum 710; Outer guide groove
720; Inner guide groove 730; Uneven portion
800; A fixing table 810; The third projection
900; A driving unit 910; Body
920; Rotating shaft

Claims

case;
A cap fastened to both sides of the case;
At least one stationary frame inserted and fixed into the case;
A supporting ring fixedly inserted into the fixing frame and having a fixing ring connected to a first wire on an outer circumferential surface thereof;
A winding roll inserted and fixed so as to penetrate into the support portion, a spiral guide groove formed on an outer circumferential surface thereof, and a second wire wound around the guide groove;
A rotating drum inserted and fixed into the inside of the winding roll and rotated by an external force; And
And a driving unit that is located inside the rotary drum and is fastened and fixed to the inside of the cap and provides rotational power to the rotary drum by operation of a wireless remote controller,
The driving unit includes:
A body having a predetermined length so that one end thereof is fastened and fixed to the inside of the cap, and the other end is positioned in the middle of the rotary drum; And
And a fixture fastened and fixed to a rotary shaft connected to the other end of the body and inserted and fixed in the rotary drum and rotated by the rotation of the rotary shaft to rotate the rotary drum,
The fixed frame includes:
A hole formed in a circular shape so that the winding roll can be inserted in the longitudinal direction of the case;
A guide protrusion formed in a spiral shape on an inner circumferential surface of the hole and fastened to a guide groove formed in the winding roll, the guide protrusion moving the winding roll while being rotated in the longitudinal direction by an external force;
An opening formed by cutting a part of an intermediate portion in a direction intersecting the longitudinal direction of the fixed frame so that the supporting portion can be inserted and fixed;
A first lead-out portion formed at the bottom of the opening to draw the first wire; And
And a second lead portion formed at a bottom of the hole to be spaced apart from the first lead portion and to draw the second wire,
Wherein an engaging step is formed at an intermediate front portion and a rear portion of the opening portion of the fixed frame so as to restrict rotation of the stationary ring.

delete

The method according to claim 1,
A partition which is formed at both ends of the support portion and which prevents the fixing ring from being released to the outside by an external force; And
And a first projection formed on an inner circumferential surface of the support portion and inserted and fixed in an insertion groove formed in an outer circumferential surface of the take-up roll, and the support portion can be rotated in the same direction by rotation of the take- Electric blinds.

The method according to claim 1,
An outer guide groove formed at a predetermined interval in the outer circumferential direction of the rotary drum and configured to be engaged with a second projection formed on the winding roll;
An inner guide groove formed at a predetermined interval in an inner circumferential direction of the rotary drum and adapted to engage with a third projection formed on an outer circumferential surface of the fixing table; And
And a concavo-convex portion formed in the inner circumferential surface and the outer circumferential surface of the rotary drum so as to have grooves having a predetermined depth in the longitudinal direction and being spaced apart from each other by a predetermined distance in the circumferential direction of the rotary drum, Features electric blinds.