KR20170082027A

KR20170082027A - Dual fabric blind fabric angle adjustment closing and opening device

Info

Publication number: KR20170082027A
Application number: KR1020160001160A
Authority: KR
Inventors: 유상원
Original assignee: 유상원
Priority date: 2016-01-05
Filing date: 2016-01-05
Publication date: 2017-07-13
Also published as: KR101865370B1

Abstract

The present invention relates to an angle regulating opening / closing apparatus for a double blind sheet, and more particularly, it relates to an angle regulating opening / closing apparatus for a double blind sheet which is capable of controlling the angle of view of a double blind sheet through a handle provided separately at a desired position, The present invention relates to an angle-regulating opening / closing apparatus for a double blind seat capable of ascending and descending while returning a double blind sheet to a closed state through a returning rotation.

Description

TECHNICAL FIELD [0001] The present invention relates to a dual blind seat angle adjusting device,

Generally, the blinds are configured to lift and lower the double blind sheet housed in the interior to control the amount of incoming light from the outside through the window, and to block the open field of view.

Here, the double blind sheet is composed of a front sheet and a back sheet made of a transparent fabric, and a translucent shielding sheet is sandwiched between the front sheet and the back sheet, so that the double blind sheet is lowered and the light and visual field are cut off, The blind sheet can be completely opened and closed after the blind sheet is completely lowered, and it is impossible to open and close the shielding sheet by adjusting the shielding sheet during the ascending and descending operations.

Accordingly, the shielding sheet formed on the double blind sheet can be entirely adjusted after completely lowering it, and the inflow amount of the field of view and light can not be selectively controlled at a specific position.

In order to solve such a problem, Korean Patent Laid-Open No. 10-2011-0139082 entitled " Rotary Tube Structure of Blinds for Adjusting the Angle of Double Fabric "

The present invention relates to a blind rotary tube for adjusting the angle of a double fabric, and a structure in which a close-up rod made of silicone or rubber is fastened to the outer circumferential surface of the rotary tube, .

However, it is structured so as to protrude in the lateral direction and is difficult to be easily fixed to the wall. Only a front seat directly contacting the rotary pipe among the front seat and the rear seat is prevented from falling by friction, and a separate double fabric is fixed There is a problem that the double fabric controlled by wind, impact and the like is easily loosened.

In addition, when the double fabric is lowered, friction with the rotary tube is generated, so that smooth upward and downward movement is not achieved.

SUMMARY OF THE INVENTION The present invention has been conceived to solve the above-mentioned problems, and it is an object of the present invention to provide an apparatus and a method for adjusting a view angle and an inflow amount of light by simply adjusting a bevel angle at a desired position during a raising and lowering through a blind having a double blind sheet Which is capable of opening and closing the double blind sheet.

Another object of the present invention is to provide a double blind seat which can be smoothly lifted and lowered without interference from outside when the double blind seat ascends and descends, and which is selectively in contact with the double blind sheet to prevent wear of the double blind sheet. Device.

It is another object of the present invention to provide a double blind seat which is opened and closed at the same time when a double blind sheet is lowered and closed at the same time to adjust the shielding angle of the lowered double blind sheet, The present invention provides an angle-adjustable switching device for a double blind sheet.

In order to achieve the above object, the present invention provides a double sheet openable and closable blind capable of shielding a double blind sheet at a desired position during ascending and descending, comprising: a front sheet and a rear sheet of a transparent fabric; A double blind sheet consisting of a shielding sheet of an opaque fabric joined in multiple transverse directions with a constant spacing between them; An opening / closing means comprising: a winding roll on which the double blind sheet is wound; and an opening / closing strap which is exposed to the outside so as to rotate the winding roll to move up and down the double blind sheet; Wherein the double blind sheet comprises a housing having an opening portion for accommodating the winding roll and having the double blind sheet rising and falling downward to be exposed to the outside, and a fixing body in contact with the front sheet is coupled to one end of the opening portion, And fixing means for positioning the double blind sheet in close contact with the stationary body while pushing the rear seat upward by rotation, is disposed on the side surface of the rear seat.

The fixing means comprises: A plurality of brackets rotatably coupled to the bracket, and a plurality of projections coupled to rotate together with the rotation shaft, the plurality of projections closely contacting the double blind sheet so as not to slip, And a rotating body coupled to an end of the rotating shaft and coupled with a handle that is exposed to the outside to manipulate the rotation of the rotating shaft.

Further comprising an operation bar which is coupled to the handle so that the opening and closing straps exposed to the outside of the housing can be received therein and can be individually operated, and on which an opening / closing strap and a receiving protrusion for winding the handle are formed .

And an engaging protrusion formed on an inner side surface of the housing to protrude inward and coupled to the third engaging groove to rotate and to support the rotating body.

And an elastic member coupled to the housing and the fixing means at respective ends thereof for rotating the fixing means in the home position by an elastic force applied by rotation of the fixing means.

A restricting portion formed in the housing to receive the opening and closing strap so that the opening and closing strap can move upward and downward and coupled to the housing so as to be rotatable within a predetermined angle in accordance with the rising and falling of the opening and closing strap; A ratchet gear which is coupled to the housing to be brought into contact with the elastic member and which is rotatable in one direction and a ratchet gear which is in close contact with the ratchet gear to prevent the elastic member from being restored by elastic force, And a restraining member formed of a pressing member coupled to the restraining portion such that the elastic member is lifted and lowered by an elastic force.

According to the present invention, it is possible to adjust the viewing angle and the inflow amount of the light by simply adjusting the angle of the sunshade at a desired position during ascending and descending of the blind having the double blind sheet.

Further, according to the present invention, there is an advantage that the double blind sheet can smoothly move up and down without interference from outside in the ascending and descending direction, and is selectively in contact with the double blind sheet to prevent the double blind sheet from being abraded by friction.

Further, according to the present invention, it is possible to close the double blind sheet which is easily opened without any separate operation at the time of ascending and descending, by changing the height of the double blind sheet when the falling blind sheet is adjusted by lowering the blind sheet There is an advantage.

In addition, according to the present invention, there is an advantage that when the double blind sheet can not be smoothly shielded by breakage or aging when it is opened and closed, it can be easily replaced.

Finally, the double blind seat can be easily lifted and lowered by opening and closing it individually, and it is convenient to use. It can be used to prevent the twist of the open / close strap and the handle which are exposed to the outside and to cleanly use the open / close strap and the handle It is effective to prevent safety accidents.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view showing an angle-regulating opening / closing apparatus of a double blind sheet according to the present invention,
2 is a cross-sectional view taken along the line A-A '
3 is an exploded perspective view showing a fixing means according to the present invention,
Figure 4 is a cross-sectional view of a securing means according to the invention,
Figure 5 is a cross-sectional view of an actuation bar according to the invention,
6 is a cross-sectional view showing an elastic member and restraining means according to the present invention,
7 is an operation diagram showing an operating state according to the present invention,
8 is a cross-sectional view showing an elastic member and restraining means according to the present invention,

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the present invention are shown.

2 is a cross-sectional view taken along the line A-A ', FIG. 3 is an exploded perspective view showing a fixing means according to the present invention, and FIG. 5 is a cross-sectional view illustrating an operation bar according to the present invention, FIG. 6 is a cross-sectional view illustrating an elastic member and restraining means according to the present invention, and FIG. 7 is a cross- FIG. 8 is a cross-sectional view showing an elastic member and restraining means according to the present invention. FIG.

As shown in FIGS. 1 to 6, the present invention relates to an angle-regulating opening / closing apparatus for a double blind sheet, and more particularly, to a double blind sheet opening / The present invention relates to a double-blind seat angle-regulating opening / closing apparatus capable of switching a double blind seat to a closed state when the double blind seat is lifted and lowered.

The present invention provides a double blind seat 10, an opening and closing means 20, a housing 30 and a fastening means 40 (not shown) so as to be able to open and close a double blind seat at a specific position desired by a user when the double- ).

The double blind sheet 10 is composed of a front sheet 11 and a rear sheet 12 of a transparent fabric and a plurality of double-blind sheets 10 arranged in a transverse direction at regular intervals in the longitudinal direction between the front sheet 11 and the back sheet 12. [ And a shielding sheet 13 of bonded opaque fabric.

The front sheet 11 and the rear sheet 12 are made of transparent or net-like materials capable of transmitting light and visibility and the shielding sheet 13 is sandwiched between the front sheet 11 and the back sheet 12 Both ends of which are connected to each other and are made of opaque fabric so as to block the sight and light coming in through the front sheet 11 and the rear sheet 12. [

The opening and closing means 20 includes a winding roll 21 for winding the double blind sheet 10 and an opening and closing strap 22 for rotating the winding roll 21 to raise and lower the double blind sheet 10 .

Therefore, the opening / closing means 20 is a general blind configuration capable of moving the double blind sheet 10 up and down.

The housing 30 accommodates the winding roll 21 therein and has an opening 31 through which the double blind sheet 10 ascends and descends to be exposed to the outside.

A fixing member 34 which is in contact with the front sheet 11 is coupled to one end of the opening 31 and is disposed at the other end of the opening 31 at a side of the rear seat 12, (40) for tightly fixing the double blind sheet (10) to the side of the fixing body (34) while pushing the rear seat (12) upward.

A first engaging groove 34 in which the fixing member 34 is fitted in the longitudinal direction and a second engaging groove 34 in which the fixing member 40 is fitted in the longitudinal direction, An engaging groove 33 is formed.

Accordingly, it is preferable that the fixing body (34) and the fixing means (40) can be easily replaced when they are deteriorated or damaged.

The fixing means 40 includes a plurality of brackets 41 having protrusions 41a coupled to the other end of the opening 31 and a rotary shaft 42 rotatably coupled to the bracket 41, A fixing part 43 coupled to rotate by the rotation shaft 42 and having a plurality of protrusions 44a formed in close contact with the double blind sheet 10 so as not to slip, And a rotating body 45 coupled to an end of the rotating shaft 42 and coupled with a handle 46 for rotating the rotating shaft 42.

The bracket 41 is formed with a projection 41a coupled to the second coupling groove 33 and a first coupling hole 41b through which the rotary shaft is rotatably coupled.

In addition, it is preferable that the combined rotating body 45 and the rotating shaft 42 can be fixed through various methods such as screws, fitting defects, etc. so that they can rotate together.

Here, the bracket 41 is coupled to the second coupling hole 43a at a predetermined interval in the longitudinal direction to prevent the rotation shaft 42 from being bent by the weight and the load, So that rotation is not disturbed.

The rotation shaft 42 is rotatably coupled to the bracket 41 and can be variously coupled to the fixing part 43 so as to rotate.

Accordingly, the rotation shaft 42 is formed in a polygonal shape such as a triangle or a quadrangle. The fixing portion 43 is formed with a second fitting hole 43a having the same shape as that of the rotating shaft 42, And can be variously modified so as to be fixed to the fixing portion 43 through pins, keys, protrusions and grooves.

The fixing portion 43 is partly cut to form a space in which the double blind sheet 10 can ascend and descend so as to be formed in a " semicircle ", "D" shape and to push the double blind sheet 10 by rotation So as to be fixed to the fixing body (34).

The packing 44 is coupled to the outer circumferential surface of the fixing part 43 to prevent the sliding contact with the double blind sheet 10 and the packing 44 has the same shape as the fixing part 43 It is preferable that a plurality of protrusions 44a are formed in the circumferential direction on the outer circumferential surface which is in contact with the double blind sheet so as not to slip by being brought into close contact with the double blind sheet 10 by rotation.

The rotating body 45 is coupled to an end of the rotating shaft 42 and rotatably engages with the rotating shaft 42 through a handle 46 exposed to the outside of the housing 30.

Therefore, a second coupling hole 43a is formed at one side of the rotary body 45 to engage with the rotary shaft 42, and the other side of the rotary body 45 is connected to the handle and is rotatable according to the elevation of the handle 46.

A third engaging groove 45a is formed on the outer surface of the rotating body 45. The third engaging groove 45a is protruded inward on the inner surface of the housing 30, And an engaging projection (47) for rotating and supporting the engaging projection.

The coupling protrusion 47 rotatably couples the rotating body 45 to the inner side surface of the housing 30 to prevent the rotating body from moving and disengaging at will.

Therefore, the rotation body 45 fixed to the engaging projection 47 prevents the rotation body 45 from deviating in the longitudinal direction, and positions the rotation shaft 45 and prevents both ends from being struck.

The opening and closing strap 22 and the handle 46 are coupled to the handle 46 so that the opening and closing strap 22 exposed to the outside of the housing 30 can be accommodated and operated simultaneously. Is formed on the upper surface of the operation bar 50,

The open / close strap 22 and the handle 46 can be individually or simultaneously lowered by user's operation by selectively fixing the open / close strap 22.

A push button 52 is provided on the side surface of the operation bar 50 to fix the open / close strap 22. The push button 52 is interposed between the operation bars 50, The string is returned to its original position and separated from the open / close strap 22 when it is depressed by the string 53 and released.

And a locking protrusion 52a formed at an inner end of the push button 52 to lock the opening and closing strap 22 therebetween.

Therefore, the opening and closing strap 22 and the handle 46 can be simultaneously adjusted by using the push button 52, and the opening and closing strap 22 and the handle 46 can be individually adjusted.

The storage protrusions 51 are formed to protrude from the outer side surface of the operation bar 50 and are wound around the open-and-close strap 22 and the handle 46 exposed downward.

An elastic member 60 is provided at each end of the housing 30 and the fixing means 40 so as to rotate the fixing means 40 in the home position by the elastic force applied by the rotation of the fixing means 40. [ .

That is, both ends of the elastic member 60 are coupled to the housing 30 and the fixing unit 40, respectively, so that an elastic force is generated when the fixing unit 40 rotates, As shown in FIG.

The original position of the fixing means 40 is divided into an original position where the double blind sheet 10 can descend and an operating position rotated by the knob 46 and brought into close contact with the double blind sheet 10 .

The elastic member 60 can be coupled to any one of the rotary body 45, the rotary shaft 42 and the fixing body 34 so as to rotate the fixing means 40 in place, 45 so as to be rotated without interference.

The fixing means 40 brought into close contact with the double blind sheet 10 by the elastic member 60 is rotated at a predetermined angle in accordance with the descent of the double blind sheet 10, It is possible to return to the home position easily by the elastic force of the elastic member.

The housing 30 further includes restraining means 70 for preventing the fixing means 40 from rotating arbitrarily by the elastic member 60.

The restraining means includes a through hole 72 for accommodating the opening and closing strap 22 so that the opening and closing strap 22 can be raised and lowered inside the housing 30, A restricting portion 71 which is coupled to the housing 30 so as to be rotatable and a rotation restricting portion 70 which is coupled to the housing 30 to be in contact with the elastic member 60 located below the restricting portion 71, The ratchet gear 73 and the ratchet gear 73 to prevent the elastic member 60 from being restored by the elastic force and being spaced apart from the ratchet gear 73 when the restricting portion 71 is lifted or lowered And a pressing member 74 coupled to the restraining portion 71 such that the elastic member 60 is lifted and lowered by an elastic force.

A fixing member (not shown) for pressing the opening / closing strap 22 by an elastic force so that the opening / closing strap 22 can ascend and descend while rotating the restricting portion 71 in the ascending and descending direction of the opening and closing strap 22, 72a are formed.

Therefore, the opening / closing strap 22 can be moved up and down when a certain force is applied by the fixing member 72a while the restricting portion 71 can be rotated upward .

The ratchet gear 73 and the urging member 74 are urged to prevent the fixing means 40 from rotating to the correct position in an operating position in close contact with the double blind sheet 10, The restricting portion 71 is rotated and the pressing force applied to the elastic member 60 is released when the lifting member 22 is lifted or lowered, so that the fixing means 40 can be rotated to the original position by the elastic restoring force.

That is, the restraining means 70 prevents the fixing means 40 from rotating arbitrarily by the elastic force applied to the elastic member 60 in accordance with the rotation of the fixing means 40, and the double blind sheet 10 The elastic member 60 is constrained so that the fixing means 40 can be rotated to a predetermined position by an elastic restoring force.

Hereinafter, an operation state according to the present invention will be described with reference to FIG.

The double blind sheet 10 accommodated in the housing 30 is lowered so as to shade the window by operating the open / close strap 22.

The user then lowers the double blind sheet 10 to a desired position and then lowers the knob 46 so that the fixing portion 43 pushes the double blind sheet 10 up to the fixing body 34 The double blind sheet 10 which has been lowered in close contact is opened.

At this time, the fixing means 40 can be fixed by operating the knob 46, but the opening / closing strap 22 and the knob 46 are simultaneously lowered through the operating bar 50, The double blind sheet 10 which is lowered by fixing the front and rear sheets 12 to the fixing body 34 while pushing up the rear sheet 12 by the fixing means 40 simultaneously with the descent of the double- It is possible to adjust the sunshade without changing the height of the sunshade.

Here, the double blind sheet 10 is moved up and down according to the downward movement of the knob 46 to adjust the inflow of light and visual field according to the opening angle of the shielding sheet 13.

When the double blind sheet 10 is lowered by the operation of lowering the opening / closing strap 22, the double blind sheet 10 is opened and closed by the double blind sheet 10, The double blind sheet 10 can be closed and lifted and lowered freely as it rotates and is separated from the fixing body 34. [

Further, as shown in Fig. 8, the fixing means 40 is rotated to the correct position by the elastic member 60 and the restricting means 70. As shown in Fig.

That is, when the double blind sheet 10 is lowered and the fixing means 40 rotates at a desired position to open the shielding sheet 13, the elastic member 60 engaged with the fixing means 40 is elastically deformed Through the restraining means (70) to prevent the fixing means (40) from rotating due to the generated and generated elastic force.

At this time, when the double blind seat 10 is raised or lowered, the restraining means 70 is separated from the elastic member 60 by the lifting and lowering of the opening and closing strap 22, So that the double blind sheet 10 freely ascends and descends.

Therefore, the elastic member 60 is released from the fixing means 40 while the double blind sheet 10 is lowered and rotated to the original position to smoothly descend. When the double-blind sheet 10 is lowered, The means 40 is returned to its original position to smoothly ascend and descend.

Accordingly, the double blind sheet 10 is smoothly lifted and lowered without contact with the outside, and the double blind sheet 10 is lifted and lowered by the double blind sheet 10 in an open state without a separate closing operation The restraining means rotates to the original position and is easily raised and lowered, and the double blind sheet 10 can be easily opened and closed at the moved position.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention as defined by the appended claims. It is obvious that you can do it.

10: double blind seat 11: front seat
12: rear seat 13: shielding sheet
20: opening and closing means 21: winding roll
22: opening / closing strap 30: housing
31: opening portion 32: first engagement groove
33: second coupling groove 34:
40: fixing means 41: bracket
41a: protruding portion 41b: first engaging hole
42: rotating shaft 43:
43a: second engaging hole 44: packing
44a: projection 45: rotating body
45a: engaging groove 46: handle
47: engaging projection 50: actuating bar
51: storage protrusion 52: push button
52a: latching jaw 53: spring
60: elastic member 70: restricting means
71: restricting portion 72: through hole
72a: Fixing member 73: Ratchet gear
74:

Claims

A double sheet openable blind capable of shielding a double blind sheet at a desired position during ascending and descending,
The front sheet 11 and the rear sheet 12 of the transparent fabric and the opaque fabric shielding sheet 13 joined to the front sheet 11 and the back sheet 12 in a plurality of transversely spaced- A double blind sheet (10) made up of;
A wind-up roll 21 on which the double blind sheet 10 is wound and an opening and closing strap 22 which is exposed to the outside so as to raise and lower the double blind sheet 10 by rotating the winding roll 21, Means (20);
And a housing (30) accommodating the winding roll (21) and having an opening portion (31) for raising and lowering the double blind sheet (10)
A fixing member 34, which is in contact with the front seat 11, is coupled to one end of the opening 31,
The double blind sheet 10 is placed on the side of the rear seat 12 at the other end of the opening 31 and is pressed against the fixing member 34 by pushing the rear seat 12 upward by rotation, And a fixing means (40) for fixing the fixing member (40).

The method according to claim 1,
The fixing means (40)
A plurality of brackets 41 having protrusions 41a coupled to the other ends of the openings 31,
A rotating shaft 42 rotatably coupled to the bracket 41,
A fixing part 43 coupled to rotate by the rotation shaft 42 and having a plurality of protrusions 44a formed in close contact with the double blind sheet 10 so as not to slip,
And a rotating body (45) coupled to an end of the rotating shaft (42) and coupled with a handle (46) exposed to the outside to manipulate the rotation of the rotating shaft (42) Device.

3. The method of claim 2,
And the handle 46 is coupled to the handle 46 so that the opening and closing strap 22 exposed to the outside of the housing 30 can be accommodated and operated simultaneously. Further comprising an operating bar (50) formed with a receiving protrusion (51) capable of winding the first and second blinds.

3. The method of claim 2,
A third coupling groove 45a is formed on the outer surface of the rotating body 45,
And an engaging protrusion 47 protruding inwardly from the inner side surface of the housing 30 and coupled to the third engaging recess 45a to support the rotating body 45 Features of the double blind seat angle adjustable switchgear.

The method according to claim 1,
An elastic member 60 that is coupled to the housing 30 and the fixing means 40 so as to rotate the fixing means 40 in the home position by the elastic force applied by the rotation of the fixing means 40 Wherein the second blind seat further comprises a second blind seat.

6. The method of claim 5,
A through hole 72 is formed in the housing 30 to accommodate the opening and closing strap 22 so that the opening and closing strap 22 can move upward and downward and the opening and closing strap 22 can be rotated within a predetermined angle, A restricting portion 71 which is coupled to the first housing 30,
A ratchet gear 73 which is disposed at a lower portion of the restraining portion 71 and is coupled to the housing 30 to be brought into contact with the elastic member 60 and is rotatable in one direction,
The elastic member 60 is prevented from being restored by the resilient force by being brought into close contact with the ratchet gear 73 so that the elastic member 60 is separated from the ratchet gear 73 when the restricting portion 71 is lifted or lowered, Further comprising a restraining means (70) composed of an urging member (74) coupled to said restraining portion (71) so as to ascend and descend by said restraining portion (71).