CN2263706Y - Complete shading blind window - Google Patents

Abstract

The utility model relates to a complete shading shutter. The utility model is provided with a plurality of blades. The cross section of each blade which is in the shape of the character 'S' is provided with a large circular arc part and a small circular arc part connected with the lateral side of the large circular arc part, the small circular arc part has a small curvature radius, and the bended direction of the circular arc of the large circular arc part is opposite to the bended direction of the circular arc of the small circular arc part. A through hole is arranged on the large circular arc parts on both ends of each blade respectively, and a pull rope is penetrated through each through hole. When the blades are adjusted to the approximately upstanding state, the small projecting surface of each small circular arc part can be attached to the large projecting surface of each large circular arc part to achieve good light shading effect.

Description

The shutter of complete shading

The utility model relates to a kind of horizontal type louver, particularly a kind of simple structure and can reach shutter than the complete shading of Cui shaded effect.

General shutter as shown in Figure 1, comprises 1 a, rotating shaft 2 of putting the beams in place, stay cord 3, a plurality of blade 4, four lifting ropes 5 and a plurality of binding rans 6.Rotating shaft 2 is located in the upper beam 1.Hang down and to be located at an end of stay cord 3 in 1 bottom of putting the beams in place.The end of stay cord 3 and a plate 3 ' are affixed, and an end passes this 1 inner Hou of putting the beams in place, and the side by this upper beam 1 passes again.The cross section of blade 4 is to be project upwards circular-arc, and end face forms a prominent face 41 ', relatively forms a concave surface 42 ' in the bottom surface, is provided with a perforation 43 ' of tool proper width in the cross section centre, and this perforation 43 ' can supply this stay cord 3 pass.Lifting rope 5 is separately positioned on the both sides at blade 4 two ends, and the top is fixed in the rotating shaft 2, has one to link ran 6 and be attached on two lifting ropes 5 in the bottom surface of each blade 4, and utilizes lifting rope 5 to cooperate with binding ran 6, can make blade 4 reach the purpose of location.

Utilize above-mentioned structure, though can reach this blade 4 folds, adjust the purpose of angle, but, when blade 4 adjustment are approximate vertical and will reach the shading purpose, as shown in Figure 2, be arranged on the middle position of blade 4 by what perforation 43 ', position 4 times ora terminalis of blade up can't cover perforation 43 ' fully, make light still can penetrate indoor by perforation 43 ', can't reach good shaded effect, and be arranged on blade 4 central authorities by what perforation 43 ', make that the distance between stay cord 3 and the lifting rope 5 is bigger, the bottom edge of top blade 4 is close on the prominent face 41 ' of lower leaflet 4, light is infiltrated, in addition, when the concave surface 42 ' that is radiated at blade 4 when outdoor light is gone up, concave surface 42 ' can refracted ray to the prominent face 41 ' of lower leaflet 4, and prominent face 41 ' can import light indoorly again, makes not Cui of shaded effect.

Be arranged on blade central authorities in order to solve perforation, the problem that causes light to infiltrate by perforation, someone designs a kind of curtain blade (Taiwan application case number No. 82206377 novel patent case), it is a side that perforation is located at partially blade centreline, make the big what of two blade spacing distances when launching bore a hole apart from its distance than far lateral side, make when this vane operation is the shading state of approximate vertical, the lower edge of top blade can cover the perforation of lower leaflet, and can the light that be penetrated by perforation is isolated.

Though this blade solves the problem of perforation printing opacity, but, by the depression circular arc of what top vacuum side of blade in the face of sunlight the time, still can be on the front of lower leaflet with light refraction, make indoor, can find out that also upper and lower blade joint has light to exist, and therefore, still can't reach the effect of complete shading.

Main purpose of the present utility model is providing a kind of shutter of complete shading, when vane operation is approximate vertical, and the adaptation Cui between the blade, and can reach shaded effect than Cui.

The shutter of complete shading of the present utility model comprises a upper beam, this upper beam inside is equipped with rotating shaft, and the soffit is provided with a plurality of blades on this, the cross section of each blade is S-shaped, and have an orthodrome portion and be connected with the side of orthodrome portion and tool than the little arc sections of small curvature radius, and this orthodrome portion is opposite with the circular arc bending direction of little arc sections, like this, the big prominent face of orthodrome portion links to each other with the little concave surface of little arc sections, and the little prominent face of the big concave surface of orthodrome portion and little arc sections is connected, in the orthodrome portion at blade two ends, respectively be provided with a perforation, can pass for a stay cord, the stay cord top is passed upper beam Hou and is extended by the side of putting the beams in place, and respectively to utilize a lifting rope and one to link ran spacing the both sides of blade and bottom surface, and the lifting rope top is fixed in the inner rotating shaft of putting the beams in place.Therefore, when the pulling stay cord, the distance of each blade can be dwindled gradually and be reached the purpose that folds, when driving this rotating shaft rotation, can furl the wherein lifting rope of a side of blade, make the little prominent face of the little arc sections of top blade be close on the big prominent face of lower leaflet orthodrome portion, and reach shaded effect than Cui.

Be elaborated below by Cui embodiment and accompanying drawing shutter to the complete shading of the utility model, in the accompanying drawing:

Fig. 1 is the unlatching schematic diagram of shutter in the past.

Fig. 2 is the shading schematic diagram of shutter in the past.

Fig. 3 is the unlatching schematic diagram of the utility model than Cui embodiment.

Fig. 4 is the above-mentioned blade schematic perspective view than Cui embodiment of the utility model.

Fig. 5 is the above-mentioned shading schematic diagram than Cui embodiment of the utility model.

As shown in Figure 3, the utility model comprises 10, the rotating shafts 20 of putting the beams in place, stay cord 30, a plurality of blade 40, four lifting ropes 50 and most than the shutter of the complete shading of Cui embodiment and links rans 60.Put the beams in place 10, rotating shaft 20, stay cord 30, lifting rope 50 and link ran 60 and constructed identically in the past, no longer add to describe in detail, and rotating shaft 20 is located in 10 inside of putting the beams in place, 10 sides of putting the beams in place extend a control lever 11, can control rotating shaft 20 rotations.Stay cord 30 1 ends hang down and to be located at this 10 bottoms of putting the beams in place, and terminal affixed with a plate 70, and the other end passes this 10 inner Hous of putting the beams in place, and are passed by 10 the side of putting the beams in place again.Lifting rope 50 is vertically to drop on 10 the inboard place, two ends of putting the beams in place in twos, and the every interval one suitably distance of height laterally is provided with one and links ran 60, and characteristic of the present utility model is at what:

Cooperate shown in Figure 4ly, the cross section of each blade 40 roughly is the waveform of S word, and is provided with an orthodrome portion 41 of extending along length direction in a side, and these orthodrome portion 41 opposite sides are connected the little arc sections 42 of a tool than small curvature radius.Orthodrome portion 41 is opposite with the circular arc bending direction of little arc sections 42, and just this orthodrome portion 41 is and upwards bloats shape, and this little arc sections 42 is downward recess.End face in this orthodrome portion 41 forms a big prominent face 411, and the bottom surface forms a big concave surface 412 relatively.In addition, the end face of little arc sections 42 forms a little concave surface 421, and the bottom surface is established a little prominent face 422 relatively.Big prominent face 411 is connected with little concave surface 421, and big concave surface 412 is connected with little prominent face 422.Blade 40 is boring a hole 43 near the orthodrome portion 41 at two ora terminalis places near respectively being provided with one on the outer ledge, can pass for this stay cord 30, and lifting rope 50 is separately positioned on the outside of large and small arc sections 41,42, link the bottom that ran 60 is located at this blade 40, utilize lifting rope 50 and link cooperating of ran 60, can make blade 40 be the below that equally spaced is positioned at this upper beam 10.

As shown in Figure 3, the shutter of the complete shading of being made up of above-mentioned member is the state that is unlatching, because between each blade 40 suitable distance is arranged all, it is indoor that outdoor light is penetrated.On the contrary, as shown in Figure 5, when this control lever 11 of operation rotates, this control lever 11 drives rotating shaft 20 rotations with the kind of drive of worm-drive helical wheel, and when rotating shaft 20 is rotated, the position can be pulled upwardly at the lifting rope 50 in orthodrome portion 41 outsides of blade 40, and the lifting rope 50 of position in little arc sections 42 outsides can be loosened and a little to bottom offset, utilize the oppositely action relatively of both sides lifting rope 50, but interlock links ran 60 and is outer high, in low skewed, relatively, the orthodrome portion 41 of this blade 40 can rise gradually, little arc sections 42 then descends gradually, touches the big prominent face 411 of lower leaflet 40 up to the little prominent face 422 of the little arc sections 42 of top blade 40.

As shown in Figure 5,43 are located at orthodrome portion 41 near the outer ledge place because bore a hole, blade 40 is operated is when being similar to vertical, distance between this lifting rope 50 and the stay cord 30 is very little, can make the adaptation Cui between the blade 40, the little prominent face 422 of top blade 40 pastes when touching on the big prominent face 411 of lower leaflet 40, is to paste mutually with cambered surface to touch between two blades 40, makes stickiness between the blade 40 than Cui.

In addition, when outdoor light is radiated on the little concave surface 422 of blade 40,, make in light can seepage do not enter house, so light-proofness than Cui is arranged because little prominent face 422 has been close on the big prominent face 411 of lower leaflet 40.

Claims (1)

1. the shutter of a complete shading, comprise a upper beam, this upper beam inside wears a rotating shaft, last soffit is provided with a plurality of blades, this blade is provided with one can supply the perforation that stay cord passes, and the stay cord top is passed upper beam and extended by last beam sides, and each is spacing with a lifting rope and a binding ran for blade both sides and bottom surface, the lifting rope top is fixed in the inner rotating shaft of putting the beams in place, and its characteristic is at what:

Each blade profile is the waveform that is the S word, have an orthodrome portion and the little arc sections that radius of curvature is less, the side of orthodrome portion is connected little arc sections, orthodrome portion is opposite with the circular arc bending direction of little arc sections, orthodrome portion is formed with a big prominent face and a big concave surface, little arc sections is formed with relative a little concave surface and a little prominent face, the big prominent face of orthodrome portion links to each other with the little concave surface of little arc sections, and the big concave surface of orthodrome portion and the little prominent face of little arc sections are connected, and perforation is located at respectively in the orthodrome portion at these blade two ends.

Images