CN115306286A

CN115306286A - Novel green energy-saving door and window

Info

Publication number: CN115306286A
Application number: CN202211071819.8A
Authority: CN
Inventors: 孙启华
Original assignee: Individual
Current assignee: Sichuan Mingdi Aluminium Co ltd
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2022-11-08
Anticipated expiration: 2042-09-01
Also published as: CN115306286B

Abstract

The invention relates to an energy-saving door and window, in particular to a novel green energy-saving door and window. It includes the window frame, and the inside of window frame is provided with glass, and one side of window frame is provided with shelters from the device and covers the device, shelters from the device setting in the inside that covers the device, shelters from the device and shelters from the sunshine that shines on glass to clear away the dust that accumulates on the glass when rotatory, and be provided with between sheltering from device and window frame and be used for driving the slewing mechanism who shelters from the device rotation. According to the invention, the glass is shielded by the shielding device, so that external light is shielded by the shielding device, the phenomenon that the light irradiates indoors through the glass to increase the indoor temperature is avoided, and meanwhile, the shielding device scrapes and rubs dust attached to the surface of the glass by adjusting the position of the shielding device, so that the dust falls off from the glass, the dust is prevented from being attached to the glass, and indoor personnel can be ensured to normally watch outdoor conditions through the glass.

Description

Novel green energy-saving door and window

Technical Field

The invention relates to an energy-saving door and window, in particular to a novel green energy-saving door and window.

Background

Energy-conserving door and window must be the development direction of door and window trade, and the door and window that uses in the modern building is long-time, the dust can be attached to its surface, especially after the door and window surface is dry behind the rain, the dust is more obvious, influence indoor to the pleasing to the eye degree of outdoor watching, and the window that sets up upstairs writing, need carry out daylighting to indoor, the window of being stained with the dust can influence the inside personnel's of office building watching, the unable sunshade of window of office building simultaneously, when sunshine shines, light can shine indoor, especially in the summer, strong light sees through and shines indoor temperature that can increase of window, make indoor temperature improve, increase indoor thermoregulation device working strength, cause the waste of electric energy.

Disclosure of Invention

The invention aims to provide a novel green energy-saving door and window to solve the problems in the background technology.

For realizing above-mentioned purpose, provide a novel green energy-conserving door and window, including the window frame, the inside of window frame is provided with glass, the window frame is fixed glass's position, one side of window frame is provided with shelters from device and covering device, shelter from the inside of device setting at covering device, shelter from the device and shelter from to the sunshine that shines on glass to clear away the dust that accumulates on glass in rotatory, and be provided with between sheltering from device and the window frame and be used for driving the slewing mechanism who shelters from the device rotation, drive through slewing mechanism and shelter from the device and rotate, make and shelter from the device and change the position of putting, make and shelter from the device and form the difference of the sunshine that shines on glass and shelter from the angle.

As a further improvement of the technical scheme, the window frame comprises an outer frame and an inner frame, a round hole is formed in the middle of the outer frame and the inner frame, a clamping plate groove is formed in the position, close to the round hole, between the outer frame and the inner frame, the glass is arranged in the clamping plate groove, and the outer frame and the inner frame are connected through screws.

As a further improvement of the technical scheme, the rotating mechanism comprises a long arc plate and a short arc plate, the two ends of the long arc plate and the two ends of the short arc plate are connected through arc rods, a circular ring is formed among the long arc plate, the short arc plate and the arc rods, a rotating groove is formed in the position, close to the circular hole, of the upper side of the outer frame, and the long arc plate and the short arc plate are arranged in the rotating groove in a sliding mode.

As a further improvement of the technical scheme, the shielding device comprises a plurality of rotating rods arranged horizontally, the side walls of the rotating rods are fixed with cotton cloth, the cotton cloth is arranged on two sides of the rotating rods, the shielding device comprises a rotating ring which is arranged on the side wall, close to the round hole, of the upper side of an outer frame in a rotating mode, the rotating ring is connected with the outer frame, and meanwhile the end portions of the rotating rods are connected to the inner wall of the rotating ring in a inserting mode.

As the further improvement of this technical scheme, a plurality of cotton is constituteed one and is gone up the circular shape that rotatory ring sheltered from, just the circular shape that the cotton is constituteed shelters from glass.

As a further improvement of the technical scheme, two ends of a rotating rod which is positioned in the middle among the rotating rods penetrate through the rotating ring and are fixed with gears, toothed plates are fixed at positions, close to the middle, of the upper sides of the long arc plates and the short arc plates, circular rings which are formed by the long arc plates, the short arc plates and the arc rods are sleeved outside the rotating ring, and the gears are meshed with the toothed plates.

As a further improvement of the technical scheme, the position of the rotating rod close to the middle part is fixed with a pulling rod and a plurality of the pulling rod are connected through a pulling rope, the two ends of the pulling rope are respectively fixed on the inner side wall of the rotating ring, and the cotton cloth and the pulling rod are vertically arranged.

As a further improvement of the technical scheme, an arc-shaped toothed plate is arranged on the outer side wall of the long arc plate, a positioning gear is meshed on one side of the arc-shaped toothed plate, a rotating shaft is arranged on one side of the positioning gear, and one end of the rotating shaft penetrates through the inner frame and extends out.

As a further improvement of the technical scheme, a water accumulation cavity is formed in the position, close to the edge of the upper end, of one side of the outer frame, the water accumulation cavity is communicated with the round hole through a water passing groove, and a water outlet for draining water is formed in the position, close to the glass, of the bottom end of the outer frame.

As the further improvement of this technical scheme, a plurality of when forming circularly between the cotton, leave the cavity between cotton and the glass, and the frame has seted up the vent near bilateral symmetry on the lateral wall of inside casing, the vent is used for the ventilation, when the cotton slope set up, one side of cotton and glass's lateral wall contact.

Compared with the prior art, the invention has the beneficial effects that:

1. in this novel green energy-conserving door and window, sheltering from glass through the sheltering from device that sets up, making external light shelter from by the sheltering from device, avoided light shine indoor temperature that increases through glass, simultaneously through the position of adjusting the sheltering from device, make the dust that shelters from the device and depend on to the glass surface cut to the right or left, make the dust come off from glass, avoid the dust to depend on glass, ensure that indoor personnel pass through the normal outdoor condition of watching of glass.

2. In this novel green energy-conserving door and window, it is rotatory to drive the cotton through slewing mechanism, make the cotton clean the dust on the glass at rotatory in-process, slewing mechanism drives behind one side laminating glass of cotton simultaneously, it is together rotatory to shelter from the device along with slewing mechanism, make the cotton change the angle that cleans glass, make the dust on glass surface cleaned totally, improve the effect that glass surface dust was clear away, simultaneously, the regulation through the cotton angle, change the cotton and to the angle that shines on glass shelters from, ensure to shelter from the device and also can carry out the replenishment of luminance indoor under the condition that shelters from light.

3. In this novel green energy-conserving door and window, vacuole formation between sheltering from device and glass, when needs shelter from light completely, outside air current blows to the steam that shelters from between device and the glass in entering into the cavity, makes the heat in the cavity outdiffusion, and then the reduction means is to the temperature of indoor diffusion, makes indoor tempering equipment quick adjust to indoor, and then does tempering equipment's electric energy and save, accomplishes green energy-conserving effect.

Drawings

FIG. 1 is a schematic view of a complete light shielding structure of the integrated device of the present invention;

FIG. 2 is a schematic view of the overall apparatus of the present invention for cleaning dust on glass;

FIG. 3 is a schematic view of an angle rotation structure of the integrated device of the present invention;

FIG. 4 is a schematic diagram of a light shielding structure of the integrated device according to the present invention;

FIG. 5 is a schematic diagram of an explosive structure of the integrated apparatus of the present invention;

FIG. 6 is a schematic view of a portion of the overall apparatus of the present invention;

FIG. 7 is a schematic view of a window frame according to the present invention;

FIG. 8 is a second schematic view of the window frame structure of the present invention;

FIG. 9 is a schematic view of the covering device of the present invention;

FIG. 10 is a schematic view of the combination of the rotating mechanism and the shielding device of the present invention;

FIG. 11 is a schematic view of a shielding apparatus according to the present invention;

FIG. 12 is a schematic view of the integrated apparatus of the present invention directing water flow;

fig. 13 is a schematic view of the air flow guiding structure of the integrated device of the present invention.

The various reference numbers in the figures mean:

1. a window frame; 11. an outer frame; 12. an inner frame; 13. a water accumulation cavity; 14. an outer guard ring; 15. a clamping plate groove; 16. a water trough; 17. rotating the groove; 18. a water outlet; 19. a vent;

2. glass;

3. a rotating mechanism; 31. a long arc plate; 32. a short arc plate; 33. an arc rod; 34. a limiting plate; 35. a toothed plate;

4. a shielding device; 41. a rotating rod; 42. cotton cloth; 43. a gear; 44. pulling a rod; 45. pulling a rope;

5. a covering device; 51. a rotating ring; 52. a cover plate;

6. and (6) positioning a gear.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

Example 1

In order to solve the above problems, please refer to fig. 1-5, the present embodiment aims to provide a novel green energy-saving door and window, which comprises a window frame 1, wherein a glass 2 is arranged inside the window frame 1, and the window frame 1 fixes the position of the glass 2, the window frame 1 is arranged on a curtain wall of an office building, a shielding device 4 and a covering device 5 are arranged on one side of the window frame 1, the shielding device 4 is arranged inside the covering device 5, the shielding device 4 shields sunlight irradiating the glass 2, so that external light cannot irradiate indoors through the glass 2, meanwhile, the shielding device 4 clears away dust accumulated on the glass 2 when rotating, so that the dust accumulated on the glass 2 is removed, indoor personnel can normally watch outdoor environment through the glass 2, meanwhile, a rotating mechanism 3 for driving the shielding device 4 to rotate is arranged between the shielding device 4 and the window frame 1, the rotating mechanism 3 drives the shielding device 4 to rotate, the shielding device 4 changes the placing position, and the shielding device 4 forms different shielding angles of the sunlight irradiating the glass 2, and then make and shelter from device 4 and can adjust the position of sheltering from device 4 according to the angle of illumination of light, make and shelter from device 4 and also can carry out the replenishment of luminance to indoor when sheltering from light, shelter from device 4 simultaneously when sheltering from light, block the light that shines on glass 2, make light can't direct irradiation glass 2 on, make the temperature on the glass 2 reduce, and then make glass 2 reduce to indoor propagation heat, make the better indoor temperature regulation to indoor of indoor attemperator, make attemperator reduce the consumption of electric energy, do green energy-conserving effect.

In order to make the device have the above mentioned effects, the structure of the device is refined, wherein referring to fig. 6-11, the window frame 1 includes an outer frame 11 and an inner frame 12, a round hole is opened at the middle position of the outer frame 11 and the inner frame 12, a clamping plate groove 15 is opened at the position between the outer frame 11 and the inner frame 12 near the round hole, the glass 2 is arranged in the clamping plate groove 15, the outer frame 11 and the inner frame 12 are connected through screws, the glass 2 is clamped by the outer frame 11 and the inner frame 12, so that the glass 2 is fixed in the window frame 1, the outer frame 11 is arranged outdoors, and the inner frame 12 is arranged indoors and connected with a curtain wall, so that the using position of the window frame 1 is fixed.

Meanwhile, the shielding device 4 comprises a plurality of rotating rods 41 which are horizontally arranged, the plurality of rotating rods 41 are arranged on the same horizontal plane, cotton cloth 42 is fixed on the side wall of each rotating rod 41, the cotton cloth 42 is arranged on two sides of each rotating rod 41, the rotating rods 41 drive the cotton cloth 42 to rotate when rotating, when the plurality of cotton cloth 42 is located on the horizontal plane, the side edges of the plurality of cotton cloth 42 are in contact with each other, meanwhile, the shielding device 5 comprises a rotating ring 51 which is rotatably arranged on the side wall, close to the round hole, of the upper side of the outer frame 11, the rotating ring 51 is connected with the outer frame 11, the rotating ring 51 can rotate on the outer frame 11, meanwhile, the end portions of the rotating rods 41 are connected to the inner wall of the rotating ring 51 in a plug-in mode, the rotating rods 41 are fixed inside the rotating ring 51, meanwhile, the cotton cloth 42 are stably arranged inside the rotating ring 51, a circle which shields the rotating ring 51 is formed by the plurality of cotton cloth 42, the glass 2 is shielded by the circle formed by the cotton cloth 42, the cotton cloth, external light cannot irradiate the glass 2, heat is prevented from being radiated to the indoor temperature adjusting device, and the cotton cloth is reduced.

Meanwhile, a pulling rod 44 is fixed at a position of the rotating rod 41 close to the middle, the cotton cloth 42 and the pulling rod 44 are vertically arranged, the pulling rod 44 is arranged at a position close to the glass 2, meanwhile, the pulling rods 44 are connected through a pulling rope 45, and two ends of the pulling rope 45 are respectively fixed on the inner side wall of the rotating ring 51, so that the rotating rods 41 are connected together, when one rotating rod 41 rotates, part of the rotating rods 41 are driven to rotate through driving the pulling rod 44, and in order to enable all the rotating rods 41 to synchronously rotate, the pulling rope 45 arranged between the pulling rods 44 is arranged to be an unbent fiber rope, such as a hard fiber rope, the pulling rod 44 is pulled or pushed through the pulling rope 45, so that the rotating rods 41 rotate, so that the cotton cloth 42 synchronously rotates, and in order to enable the pulling rod 44 to conveniently recover to the original position after rotating, two ends of the pulling rope 45 are arranged to be elastic fibers, such as a rubber rope, so that the rotating pulling rod 44 is pulled back to the glass 2 conveniently shielded by the cotton cloth 42.

Slewing mechanism 3 includes long arc board 31 and short arc board 32, and long arc board 31, the both ends of short arc board 32 are connected through arc pole 33, long arc board 31, short arc board 32, constitute the shape of a ring between the arc pole 33, the rotary trough 17 has been seted up near the position of round hole to the upside of frame 11, long arc board 31, short arc board 32 slides and sets up in rotary trough 17, long arc board 31, short arc board 32, the annular that arc pole 33 formed, rotate at rotary trough 17, the indent has been seted up to the bottom of rotatory ring 51 simultaneously, press long arc board 31, the inward flange of short arc board 32, make long arc board 31, the rotation that short arc board 32 can be stable.

Meanwhile, among the plurality of rotating rods 41, two ends of the rotating rod 41 positioned in the middle are penetrated through the rotating ring 51 and are fixed with the gear 43, the toothed plate 35 is fixed at the position, close to the middle, of the upper sides of the long arc plate 31 and the short arc plate 32, the circular ring formed by the long arc plate 31, the short arc plate 32 and the arc rod 33 is sleeved outside the rotating ring 51, the gear 43 is meshed with the toothed plate 35, when the long arc plate 31 and the short arc plate 32 rotate, the gear 43 drives the rotating rod 41 to rotate by driving the gear 43 through the toothed plate 35, so that the rotating rod 41 drives the cotton cloth 42 to rotate, in order to rotate the long arc plate 31 and the short arc plate 32, the arc toothed plate is arranged on the outer side wall of the long arc plate 31, the positioning gear 6 is meshed on one side of the arc toothed plate, and one side of the positioning gear 6 is provided with a rotating shaft, and the one end of pivot runs through inside casing 12 and extends away, the personnel that are located indoor make positioning gear 6 rotate through rotating the pivot, through positioning gear 6 and the meshing of arc pinion rack, make long arc board 31 driven rotatory, simultaneously in order to make covering device 5, covering device 4 can rotate in one side of glass 2, fix the limiting plate 34 on long arc board 31, short arc board 32 in one side of pinion rack 35, the bull stick 41 both ends that run through rotatory ring 51 run through limiting plate 34, and the one end of bull stick 41 slides on limiting plate 34, after bull stick 41 slides the one end of limiting plate 34, limiting plate 34 blocks bull stick 41, make limiting plate 34 promote bull stick 41, will shelter from device 4, covering device 5 is together rotatory.

When the rotating rod 41 pushes one side of the limiting plate 34, the cotton cloth 42 is obliquely arranged, one side of the cotton cloth 42 is in contact with the side wall of the glass 2, when the rotating mechanism 3 pushes the covering device 5 to rotate, the cotton cloth 42 moves and scrapes the surface of the glass 2, dust on the surface of the glass 2 is scraped, the dust is prevented from adhering to the glass 2, meanwhile, in order to enable the cotton cloth 42 to stably scrape the surface of the glass 2, an iron wire net is fixed on the rotating rod 41 to position and support the cotton cloth 42, the cotton cloth 42 can be driven by the rotating rod 41 to stably scrape the surface of the glass 2, the effect of scraping and rubbing the cotton cloth 42 is improved, meanwhile, when rain weather occurs, the cotton cloth 42 can well absorb rainwater, when the cotton cloth 42 scrapes the glass 2, the dust on the glass 2 is removed, and dust remaining on the glass 2 after water is dried is avoided.

Meanwhile, in order to wash the glass 2 by a large amount of rainwater in the rainy days, the position of one side of the outer frame 11 close to the edge of the upper end is provided with two water accumulation cavities 13, the two water accumulation cavities 13 are arranged in bilateral symmetry on the inner frame 12, meanwhile, the water accumulation cavities 13 are communicated with the round hole through the water passing grooves 16, in the rainy days, referring to the graph 12, the rainwater falls into the water accumulation cavities 13 and flows into the round hole through the guide of the water passing grooves 16 to be contacted with the glass 2, the rainwater contact amount of the glass 2 is increased, dust adhered on the glass 2 is filled, meanwhile, the glass 2 is rubbed by matching with the cotton cloth 42, the cleanliness of the glass 2 is ensured, indoor people can conveniently observe outdoor conditions, meanwhile, the position of the bottom end of the outer frame 11 close to the glass 2 is provided with the water drainage port 18 for draining, the rainwater for washing the glass 2 leaves the device through the water drainage port 18, the rainwater can take away the dust, and the cleanliness of the device is ensured.

Meanwhile, when a plurality of cotton cloth 42 are round, a cavity is reserved between the cotton cloth 42 and the glass 2, ventilation openings 19 are symmetrically formed in the side wall, close to the inner frame 12, of the outer frame 11, the ventilation openings 19 are used for ventilation, when the external temperature is too high, referring to fig. 13, light irradiates on the cotton cloth 42, the cotton cloth 42 absorbs the energy of the light, part of the heat is diffused in the cavity, the light is prevented from being directly irradiated on the glass 2, the glass 2 emits heat indoors to improve the indoor temperature, the indoor temperature adjusting device is energy-saving and electricity-saving, meanwhile, when wind flows outside, the wind flows enter the cavity through the ventilation openings 19, the heat in the cavity is taken away through the water outlet 18 and the ventilation openings 19, the heat of the device is reduced, and the temperature of the device is reduced.

Shelter from glass 2 with cotton 42 simultaneously and can block external light, can adjust cotton 42 when indoor personnel feel light dazzling, simultaneously when the supply of indoor light that carries on, can adjust the angle of cotton 42 slope and the position that cotton 42 put on window frame 1, for example, 1-figure 4, through the different inclination and the position of adjusting cotton 42, make cotton 42 block the light of different angles, make cotton 42 also carry out bright supply to indoor when blockking light, ensure indoor luminance.

Meanwhile, in order to prevent the impurities from falling to the position where the gear 43 and the toothed plate 35 are engaged to affect the rotation of the rotating mechanism 3 and the shielding device 4, the outer protective ring 14 is fixed on the outer frame 11, the rotating mechanism 3 and the shielding device 4 are protected inside by the outer protective ring 14, the cover plate 52 is fixed on the rotating ring 51, the gap between the outer protective ring 14 and the rotating ring 51 is shielded by the cover plate 52, and the impurities are prevented from affecting the rotation of the rotating mechanism 3 and the shielding device 4.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a novel green energy-conserving door and window, includes window frame (1), the inside of window frame (1) is provided with glass (2), window frame (1) is fixed its characterized in that to the position of glass (2): one side of window frame (1) is provided with shelters from device (4) and covering device (5), shelter from device (4) and set up the inside in covering device (5), shelter from device (4) and shelter from the sunshine that shines on glass (2) to clear away the dust that accumulates on glass (2) in rotatory, and be provided with between sheltering from device (4) and window frame (1) and be used for driving slewing mechanism (3) that shelter from device (4) rotation, drive through slewing mechanism (3) and shelter from device (4) and rotate, make and shelter from device (4) and change the position of putting, make and shelter from device (4) and form and shelter from the angle to the difference of the sunshine that shines on glass (2).

2. The novel green energy-saving door and window according to claim 1, characterized in that: the window frame (1) comprises an outer frame (11) and an inner frame (12), a round hole is formed in the middle of the outer frame (11) and the inner frame (12), a clamping plate groove (15) is formed in the position, close to the round hole, between the outer frame (11) and the inner frame (12), the glass (2) is arranged in the clamping plate groove (15), and the outer frame (11) and the inner frame (12) are connected through screws.

3. The novel green energy-saving door and window according to claim 2, characterized in that: slewing mechanism (3) are including long arc board (31) and short arc board (32), just the both ends of long arc board (31), short arc board (32) are connected through arc pole (33), constitute the shape of a ring between long arc board (31), short arc board (32), arc pole (33), rotary trough (17) have been seted up to the position that the upside of frame (11) is close to the round hole, long arc board (31), short arc board (32) slide to set up in rotary trough (17).

4. The novel green energy-saving door and window according to claim 3, characterized in that: shelter from device (4) including bull stick (41) that a plurality of level set up, the lateral wall of bull stick (41) is fixed with cotton (42), cotton (42) set up the both sides at bull stick (41), cover device (5) including rotate rotatory ring (51) of setting on the lateral wall that frame (11) upside is close to the round hole position, just rotatory ring (51) link together with frame (11), simultaneously the tip of bull stick (41) is pegged graft on the inner wall of rotatory ring (51).

5. The novel green energy-saving door and window according to claim 4, characterized in that: a plurality of cotton cloth (42) constitute one with rotatory ring (51) sheltered from circular, just the circular of cotton cloth (42) constitution is sheltered from glass (2).

6. The novel green energy-saving door and window according to claim 4, characterized in that: the two ends of the rotating rod (41) located in the middle of the rotating rod (41) penetrate through the rotating ring (51) and are fixed with the gears (43), the toothed plates (35) are fixed at positions, close to the middle, of the upper sides of the long arc plate (31) and the short arc plate (32), the circular ring sleeves formed by the long arc plate (31), the short arc plate (32) and the arc rod (33) are arranged on the outer side of the rotating ring (51), and the gears (43) are meshed with the toothed plates (35).

7. The novel green energy-saving door and window according to claim 4, characterized in that: the position that bull stick (41) is close to the middle part is fixed with pulling rod (44), a plurality of connecting through stay cord (45) between pulling rod (44), just the both ends of stay cord (45) are fixed respectively on the inside wall of rotatory ring (51), set up perpendicularly between cotton (42) and pulling rod (44).

8. The novel green energy-saving door and window according to claim 3, characterized in that: be provided with the arc pinion rack on the lateral wall of long arc board (31), one side meshing of arc pinion rack has positioning gear (6), one side of positioning gear (6) is provided with the pivot, and the one end of pivot runs through inside casing (12) and extends away.

9. The novel green energy-saving door and window according to claim 2, characterized in that: frame (11) one side is close to the position of upper end edge and has seted up ponding chamber (13), and communicates through water trough (16) between ponding chamber (13) and the round hole, and offers outlet (18) that are used for the drainage in the position that frame (11) bottom is close to glass (2).

10. The novel green energy-saving door and window according to claim 4, characterized in that: a plurality of when forming circularly between cotton (42), leave the cavity between cotton (42) and glass (2), and be in vent (19) have been seted up to bilateral symmetry on frame (11) the lateral wall that is close to inside casing (12), vent (19) are used for the ventilation, when cotton (42) slope sets up, the lateral wall contact of one side of cotton (42) and glass (2).