CN109330339B

CN109330339B - Ventilation and light-filtering curtain

Info

Publication number: CN109330339B
Application number: CN201811188489.4A
Authority: CN
Inventors: 陈元珠
Original assignee: Hangzhou Shanya Technology Co ltd
Current assignee: Shanghai Xiangde window decoration material Co.,Ltd.
Priority date: 2018-10-12
Filing date: 2018-10-12
Publication date: 2021-10-15
Anticipated expiration: 2038-10-12
Also published as: CN109330339A

Abstract

The invention discloses a ventilating and filtering curtain which comprises a curtain body, wherein a fixed shaft is fixedly connected to the upper end of the curtain body, two ends of the fixed shaft are fixedly installed on a wall, elastic ropes are symmetrically arranged on two sides of the curtain body, a connecting groove is formed in the fixed shaft, a rotating piece is arranged in the connecting groove, the upper end of each elastic rope is sleeved with the rotating piece, a plurality of connecting blocks are fixedly connected to two sides of the curtain body, the connecting blocks are clamped with the elastic ropes, grooves are symmetrically arranged below the curtain body, the grooves are formed in the wall, and the lower ends of the elastic ropes are clamped with the grooves. The curtain body, the first reflecting surface, the second reflecting surface and the third reflecting surface are matched with each other, direct sunlight enters the curtain body through the principle of mirror reflection, the direct sunlight is reflected for multiple times, the direct sunlight can be emitted from the communicating holes, light cannot enter the communicating holes directly, but wind can pass through gaps among the direct sunlight and the third reflecting surface, and the circulation of the wind is guaranteed.

Description

Ventilation and light-filtering curtain

Technical Field

The invention relates to the technical field of curtains, in particular to a ventilating and filtering curtain.

Background

The curtain is made of cloth, hemp, yarn, aluminum sheet, wood chip, metal material and the like, has the functions of shading, insulating heat and adjusting indoor light, has the control modes of manual operation and electric operation, has the main functions of isolating from the outside to keep the privacy of a living room, is an indispensable decoration for home decoration, can reduce and shade light for the modern curtain to meet the requirements of people on different intensities of light, and basically isolates all sunlight when the curtain is pulled down.

Especially in the hot summer, the direct light of sunshine is very strong, direct irradiation is on skin, can cause the burn of skin for a long time, in the classroom, direct irradiation is on books, light is because too strong, people's eye reads the book under direct irradiation sunshine, it is also harmful to people's eye to too bright environment, in the office area, in the face of sunshine, the computer screen is back to sunshine, people's eye can be because sunshine shines, can be difficult when operating the computer, and people back to sunshine then the computer screen can be because plane reflection sunshine, make the screen look very bright equally, eyes still can not receive for a long time, so the sunshine of direct irradiation is very unfavorable to people's daily life in summer, people can pull the curtain and block sunshine.

The temperature of each earth surface is different due to hot in summer, air pressure difference exists among places with different temperatures, and wind is formed due to the air pressure difference, so that the hot in summer is accompanied with fresh wind, if not fixed after the curtain is pulled down, the curtain can be blown up continuously by the wind, light can be leaked out continuously and can be knocked to make a sound, but the fresh wind in summer is a good heat relieving tool, and is more comfortable for people compared with an indoor air-conditioning electric fan, but the curtain blocks the wind once being pulled down, and the curtain blocks the wind while blocking the sunlight.

Disclosure of Invention

The invention aims to solve the defects in the prior art, such as: the sunshine in summer is scorched but the wind is breeze, and once the curtain is pulled down, the sunshine is blocked and the wind is also blocked, so that the ventilation and light filtering curtain is provided.

In order to achieve the purpose, the invention adopts the following technical scheme:

a ventilation and light filtering curtain comprises a curtain body, wherein a fixed shaft is fixedly connected to the upper end of the curtain body, two ends of the fixed shaft are fixedly mounted on a wall, elastic ropes are symmetrically arranged on two sides of the curtain body, connecting grooves are formed in the fixed shaft, rotating pieces are arranged in the connecting grooves, the upper end of each elastic rope is sleeved with the corresponding rotating piece, a plurality of connecting blocks are fixedly connected to two sides of the curtain body, the connecting blocks are clamped with the elastic ropes, grooves are symmetrically arranged below the curtain body and are formed in the wall, the lower end of each elastic rope is clamped with the corresponding groove, a plurality of ventilation cavities are formed in the curtain body, communication holes are formed in one ends of the ventilation cavities, ventilation openings are formed in the other end of the curtain body, and a first reflecting surface, a third reflecting surface and a second reflecting surface are arranged in the ventilation cavities, the first plane of reflection sets up in the one side that is close to the intercommunicating pore, the outside of second plane of reflection is rotated with the inner wall in ventilation chamber and is connected, be provided with the intercommunication mouth on the second plane of reflection, the third plane of reflection passes the intercommunication mouth, a plurality of first connecting ropes of both ends symmetry fixedly connected with of first plane of reflection, the one end of first plane of reflection and the inner wall fixed connection in ventilation chamber are kept away from to first connecting rope, the bilateral symmetry of third plane of reflection one end has a plurality of second connecting ropes, the one end and the second plane of reflection fixed connection that the third plane of reflection was kept away from to the second connecting rope, the bilateral symmetry of the third plane of reflection other end has a plurality of third connecting ropes, the one end that the third plane of reflection was kept away from to the third connecting rope and the inner wall fixed connection in ventilation chamber, be provided with the fourth plane of reflection on the inner wall in ventilation chamber.

Preferably, first plane of reflection, second plane of reflection and third plane of reflection all include a plurality of folded surfaces, two for rotating the connection between the folded surfaces, two rotation range between the folded surfaces is 0-90, the folded surfaces is the mirror surface material, first connecting rope, third connecting rope and second connecting rope are soft belt material, the fourth plane of reflection also is the mirror surface material, the one end and the second plane of reflection of fourth plane of reflection are connected.

Preferably, the connecting block is provided with a clamping shaft, the clamping shaft is clamped with the elastic rope, an elastic band is arranged between the connecting block and the curtain body, and the connecting block is connected with the curtain body through the elastic band.

Preferably, the inner wall of the groove is fixedly connected with a movable sleeve, a movable groove is formed in the movable sleeve, a movable shaft is inserted in the movable groove, a spring is arranged in the movable groove, the spring is fixedly connected with one end of the movable shaft, a fixture block is fixedly connected with the other end of the movable shaft, the fixture block is clamped with an elastic rope, limit grooves are symmetrically formed in the inner wall of the movable groove, limit blocks are symmetrically and fixedly connected with the two sides of the movable shaft, and the limit blocks are slidably connected with the limit grooves.

Compared with the prior art, the invention has the beneficial effects that: the device design benefit, through mutually supporting of (window) curtain body, first plane of reflection, second plane of reflection and third plane of reflection, through the principle of specular reflection with the sunshine that directly jets into through multiple reflection, can follow the intercommunicating pore and jet out at last, in light can't penetrate directly, but wind can pass through clearance each other, guarantees the circulation of wind.

Drawings

Fig. 1 is a schematic structural view of a ventilation and light-filtering curtain according to the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of the structure at B in FIG. 1;

FIG. 4 is a schematic structural view of a ventilation and light filtering curtain ventilation cavity according to the present invention;

FIG. 5 is a schematic structural diagram of a reflection path of a critical light in a ventilation cavity of a ventilation and light filtering curtain according to the present invention;

fig. 6 is a schematic structural diagram of a ventilation and filtering curtain ventilation cavity coordinate system according to the present invention.

In the figure: the window curtain comprises an elastic rope 1, a curtain body 2, a fixed shaft 3, a groove 4, a movable sleeve 5, a movable groove 6, a spring 7, a limiting groove 8, a limiting block 9, a movable shaft 10, a clamping block 11, a connecting block 12, a connecting groove 13, a rotating part 14, a clamping shaft 15, a ventilation cavity 16, a first reflection surface 17, a communication hole 18, a first connecting rope 19, a second reflection surface 20, a second connecting rope 21, a third reflection surface 22, a third connecting rope 23, a ventilation opening 24 and a fourth reflection surface 25.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-6, a ventilating and filtering curtain comprises a curtain body 2, a fixed shaft 3 is fixedly connected to the upper end of the curtain body 2, two ends of the fixed shaft 3 are fixedly mounted on a wall, elastic ropes 1 are symmetrically arranged on two sides of the curtain body 2, a connecting groove 13 is arranged on the fixed shaft 3, a rotating member 14 is arranged in the connecting groove 13, the upper end of each elastic rope 1 is sleeved with the corresponding rotating member 14, a plurality of connecting blocks 12 are fixedly connected to two sides of the curtain body 2, the connecting blocks 12 are clamped with the elastic ropes 1, grooves 4 are symmetrically arranged below the curtain body 2, the grooves 4 are arranged on the wall, the lower end of each elastic rope 1 is clamped with the corresponding groove 4, a movable sleeve 5 is fixedly connected to the inner wall of the corresponding groove 4, a movable groove 6 is arranged in the movable sleeve 5, a movable shaft 10 is inserted in the movable groove 6, a spring 7 is arranged in the movable groove 6, and the spring 7 is fixedly connected with one end of the movable shaft 10, the other end of the movable shaft 10 is fixedly connected with a clamping block 11, the clamping block 11 is clamped with the elastic rope 1, the inner wall of the movable groove 6 is symmetrically provided with a limiting groove 8, the two sides of the movable shaft 10 are symmetrically and fixedly connected with limiting blocks 9, the limiting blocks 9 are in sliding connection with the limiting grooves 8, when the elastic rope 1 is pulled down, because the elastic rope 1 is provided with an elastic belt, one end of the movable shaft 10 is pulled to ensure that the clamping block 11 is clamped and fixed with the elastic rope 1, under the limiting action of the limiting blocks 9 and the elastic action of the spring 7, the lower end of the elastic rope 1 is fixed in the groove 4, so that the curtain body 2 is in an unfolded state, the connecting block 12 is provided with a clamping shaft 15, the clamping shaft 15 is clamped with the elastic rope 1, an elastic band is arranged between the connecting block 12 and the curtain body 2, the connecting block 12 is connected with the curtain body 2 through the elastic band, and the clamping shaft 15 are used for connecting the curtain body 2 with the elastic rope 1, thereby the elastic rope 1 can drive the curtain body 2 to move when moving, thereby the curtain body 2 can be unfolded or folded and folded, a plurality of ventilation cavities 16 are arranged on the curtain body 2, one end of the ventilation cavity 16 is provided with a communication hole 18, the other end of the curtain body 2 is provided with a ventilation opening 24, a first reflection surface 17, a third reflection surface 22 and a second reflection surface 20 are arranged in the ventilation cavity 16, the first reflection surface 17 is arranged at one side close to the communication hole 18, the outer side of the second reflection surface 20 is rotationally connected with the inner wall of the ventilation cavity 16, the second reflection surface 20 is provided with a communication opening, the third reflection surface 22 passes through the communication opening, a plurality of first connecting ropes 19 are symmetrically and fixedly connected with the two ends of the first reflection surface 17, one end of the first connecting rope 19 far away from the first reflection surface 17 is fixedly connected with the inner wall of the ventilation cavity 16, a plurality of second connecting ropes 21 are symmetrically connected with the two sides of one end of the third reflection surface 22, one end of the second connecting rope 21 far away from the third reflecting surface 22 is fixedly connected with the second reflecting surface 20, two sides of the other end of the third reflecting surface 22 are symmetrically connected with a plurality of third connecting ropes 23, one end of each third connecting rope 23 far away from the third reflecting surface 22 is fixedly connected with the inner wall of the ventilation cavity 16, each of the first reflecting surface 17, the second reflecting surface 20 and the third reflecting surface 22 comprises a plurality of folded surfaces, the two folded surfaces are rotationally connected, the rotation range between the two folded surfaces is 0-90 degrees, the folded surfaces are made of mirror surface materials, the first connecting rope 19, the third connecting rope 23 and the second connecting rope 21 are made of soft leather belt materials, the fourth reflecting surface 25 is also made of mirror surface materials, one end of the fourth reflecting surface 25 is connected with the second reflecting surface 20, light rays entering the communication hole 18 are possibly reflected and are emitted out from the communication hole 18 through mutual matching of the mirror surface materials, thereby realizing that light is filtered and wind can pass through the space between two, be provided with fourth plane of reflection 25 on the inner wall of ventilation chamber 16.

In the invention, when a user uses the device, the lower end of the elastic rope 1 is pulled, the elastic rope 1 drives the curtain body 2 to move through the connecting blocks 12, the curtain body 2 is unfolded from a folded state, the lower end of the elastic rope 1 is clamped and fixed through the clamping blocks 11 by pulling the movable shaft 10, so that the curtain body 2 is unfolded, light penetrates through the communication hole 18, is reflected by the first reflecting surface 17, the second reflecting surface 20 and the third reflecting surface 22, and is reflected back, but wind can pass through gaps, and when the device is folded, the second reflecting surface 20, the first reflecting surface 17 and the third reflecting surface 22 can be folded, so that the device can be folded;

wherein the light reflection process:

the light is generally considered to be direct light in the air, taking the space of one ventilation cavity 16 as an example, assuming that the space size of one ventilation cavity 16 is a cube with the length and width a and the height b, a plane coordinate system is established by projecting on a plane by taking the lower left corner as an origin, and the communication hole 18 is a circle with the radius R; the first reflecting surface 17 is a circle having a diameter L1 and a developed thickness W; the second reflecting surface 20 has a visible length L2 and an expanded thickness W; the third reflecting surface 22 has a length L3 and a developed thickness W; the distance between the first reflecting surface 17 and the communicating hole 18 is D1, and the distance between the communicating hole 18 and the second reflecting surface 20 is D2;

the light directly irradiated on the first reflecting surface 17 through the communicating hole 18 is reflected, because of the principle of specular reflection, the incident angle is equal to the reflection angle, and considering the boundary condition, when the light at the boundary position of the communicating hole 18 just passes through the boundary position of the first reflecting surface 17, it is considered that all the light which does not pass through the first reflecting surface 17 must be reflected to contact the second reflecting surface 20 and the third reflecting surface 22;

referring to fig. 6 and 4, the condition is satisfied;

wherein, the A point (a, (B-2R)/2) and the B point (a-D1, (B-L1)/2);

knowing two point substitution

Obtaining a y1 straight line equation;

the linear equation of the reflecting surface obtained according to C (a, b) is y3 ═ b, and the linear equation is shown as y3 in fig. 6;

solving the intersection point of y1 and y3, so that the discovery that the intersection point is taken as a vertical leg and is perpendicular to y3 can be obtained, a linear equation of y2 is obtained, the linear equation of y2 must form the intersection point with L2 and L3, the distance length setting meeting the equations can be achieved, and y1 and y2 are shown in FIG. 6;

intersections must be present in the rectangular range with L3 as long and W as high, or intersections are present in the rectangular range with L2 as high and W as long;

the inclination angle of the first reflecting surface 17 is tan45, where the y-x boundary position is the same as the x boundary position, and an intersection point must exist with the third reflecting surface 22 in a plane straight line with an indefinite intercept;

wherein, the tilt angle is tan45 when the boundary position y of the second reflecting surface 20 is x, and the intersection point must exist with the third reflecting surface 22 in the plane straight line range with uncertain intercept;

the a, b, R, L1, L2, L3, D1, D2 and W which meet the conditions can all achieve the effect of reflecting, retracing, transmitting, and being lightproof of light rays.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a ventilation and light filtering curtain, includes (window) curtain body (2), its characterized in that, the upper end fixedly connected with fixed axle (3) of (window) curtain body (2), the both ends fixed mounting of fixed axle (3) is on the wall, the bilateral symmetry of (window) curtain body (2) is provided with elasticity rope (1), be provided with spread groove (13) on fixed axle (3), be provided with in spread groove (13) and rotate piece (14), the upper end and the rotation piece (14) of elasticity rope (1) cup joint, the both sides fixedly connected with a plurality of connecting blocks (12) of (window) curtain body (2), connecting block (12) and elasticity rope (1) joint, curtain body (2) below symmetry is provided with recess (4), recess (4) set up on the wall, the lower extreme and recess (4) joint of elasticity rope (1), be provided with a plurality of ventilation chambeies (16) on (window) curtain body (2), one end of the ventilation cavity (16) is provided with a communication hole (18), the other end of the curtain body (2) is provided with a ventilation opening (24), a first reflecting surface (17), a third reflecting surface (22) and a second reflecting surface (20) are installed in the ventilation cavity (16), the first reflecting surface (17) is arranged on one side close to the communication hole (18), the outer side of the second reflecting surface (20) is rotatably connected with the inner wall of the ventilation cavity (16), a communication opening is formed in the second reflecting surface (20), the third reflecting surface (22) penetrates through the communication opening, a plurality of first connecting ropes (19) are symmetrically and fixedly connected to two ends of the first reflecting surface (17), one end, far away from the first reflecting surface (17), of the first connecting ropes (19) is fixedly connected with the inner wall of the ventilation cavity (16), a plurality of second connecting ropes (21) are symmetrically connected to two sides of one end of the third reflecting surface (22), one end, far away from the third reflecting surface (22), of the second connecting rope (21) is fixedly connected with the second reflecting surface (20), a plurality of third connecting ropes (23) are symmetrically connected to two sides of the other end of the third reflecting surface (22), one end, far away from the third reflecting surface (22), of each third connecting rope (23) is fixedly connected with the inner wall of the ventilation cavity (16), and a fourth reflecting surface (25) is arranged on the inner wall of the ventilation cavity (16); when the curtain body (2) is in an unfolded state, light penetrates through the communicating hole (18), and is reflected back through the reflection of the first reflecting surface (17), the second reflecting surface (20) and the third reflecting surface (22).

2. A ventilation and light filtering curtain as claimed in claim 1, wherein said first reflecting surface (17), said second reflecting surface (20) and said third reflecting surface (22) each comprise a plurality of folding surfaces, two of said folding surfaces are rotatably connected, the rotation range between two of said folding surfaces is 0-90 °, said folding surfaces are made of mirror material, said first connecting rope (19), said third connecting rope (23) and said second connecting rope (21) are made of soft belt material, said fourth reflecting surface (25) is also made of mirror material, and one end of said fourth reflecting surface (25) is connected with said second reflecting surface (20).

3. The ventilation and light-filtering curtain as claimed in claim 1, wherein the connecting block (12) is provided with a clamping shaft (15), the clamping shaft (15) is clamped with the elastic rope (1), an elastic band is arranged between the connecting block (12) and the curtain body (2), and the connecting block (12) is connected with the curtain body (2) through the elastic band.

4. The ventilation and light-filtering curtain as claimed in claim 1, wherein a movable sleeve (5) is fixedly connected to the inner wall of the groove (4), a movable groove (6) is formed in the movable sleeve (5), a movable shaft (10) is inserted into the movable groove (6), a spring (7) is arranged in the movable groove (6), the spring (7) is fixedly connected to one end of the movable shaft (10), a clamping block (11) is fixedly connected to the other end of the movable shaft (10), the clamping block (11) is clamped to the elastic rope (1), a limiting groove (8) is symmetrically formed in the inner wall of the movable groove (6), limiting blocks (9) are fixedly connected to two sides of the movable shaft (10), and the limiting blocks (9) are slidably connected to the limiting groove (8).