CN114623366A

CN114623366A - Heat insulation skylight

Info

Publication number: CN114623366A
Application number: CN202210227957.4A
Authority: CN
Inventors: 蒋阅
Original assignee: Chongqing Zhongtai Curtain Wall Engineering Co ltd
Current assignee: Chongqing Zhongtai Curtain Wall Engineering Co ltd
Priority date: 2022-03-08
Filing date: 2022-03-08
Publication date: 2022-06-14

Abstract

The application discloses thermal-insulated skylight relates to skylight technical field, including window frame and the casement that mutually supports and use, the one end of casement is articulated with the one end of window frame, the window frame is kept away from and is installed the ware of windowing with casement articulated one end, the ware of windowing is located the chain of installation shell including the installation shell and the one end of installing the motor, the installation shell sets up in the window frame, the one end that the installation shell was kept away from to the chain sets firmly in the casement and keeps away from and window frame articulated one end, the both sides that the installation shell is located the chain exit are equipped with the oil brushing subassembly, the oil brushing subassembly includes the brush and the oil storage box that is equipped with lubricating oil, the brush hair of brush is located the removal route of chain, the oil storage box sets up in one side that the installation shell is close to the casement, the brush sets up in one side that the oil storage box is close to the chain and the one end of brush is located the oil storage box. This application can brush lubricating oil to the chain automatically through the brushing oil subassembly for lubricating oil is more convenient on the chain.

Description

Heat insulation skylight

Technical Field

The application relates to the technical field of skylights, in particular to a heat-insulation skylight.

Background

At present, along with the development of economy, places such as present high-rise residential building, office building are more and more, and the skylight is all installed at these floor tops generally, can increase the air permeability and the light transmissivity of floor through the skylight, and the skylight that uses now mostly has thermal-insulated effect, can play the thermal-insulated effect of heat preservation to indoor.

The skylight is generally installed on a ceiling of a roof, the opening and closing operation of the skylight is inconvenient, so an automatic window opener can be installed on the skylight when the skylight is installed at present, the automatic switch of the skylight is controlled through the automatic window opener, chain window openers are mostly adopted by the automatic window opener, the window sashes of the skylight are opened by using chains, the chains are exposed in the air for a long time during the opening of the skylight, lubricating oil on the chains is easily dried, the chains without the lubricating oil are easy to block and pause in the moving process, internal parts of the window opener are damaged, but the position of the skylight is high, a ladder is required to climb to the position of the skylight when the lubricating oil is fed to the chains, and the operation is troublesome.

Disclosure of Invention

In order to improve the trouble problem of lubricating oil operation on the chain for skylight ware of windowing, this application provides a thermal-insulated skylight.

The application provides a thermal-insulated skylight adopts following technical scheme.

The utility model provides a thermal-insulated skylight, includes window frame and the casement that mutually supports and use, the one end of casement is articulated with the one end of window frame, the window frame is kept away from and is installed the ware of windowing with casement articulated one end, the ware of windowing is located the chain of installation shell including the installation shell and the one end of installing the motor, the installation shell sets up in the window frame, the one end that the installation shell was kept away from to the chain sets firmly in the casement keep away from with window frame articulated one end, the both sides that the installation shell is located the chain exit are equipped with the oil brushing subassembly, the oil brushing subassembly includes the brush and the oil storage box that is equipped with lubricating oil, the brush hair of brush is located the moving route of chain, the oil storage box sets up in one side that the installation shell is close to the casement, the brush sets up in one side that the oil storage box is close to the chain and the one end of brush hair is located the oil storage box.

Through adopting above-mentioned technical scheme, open the back on the day window, the chain exposes for a long time and makes lubricating oil on the chain air-dry in the air easily, the lubrication degree that leads to the chain when opening and close the skylight removes easily the card and pauses in the installation shell inadequately, lubricating oil need be paintd to the chain, but the skylight position is too high, the manual work is paintd lubricating oil operation difficulty to the chain, lubricating oil in the oil storage box, lubricating oil soaks on the brush through the brush hair in the oil storage box, can remove the automatic brushing oil of in-process at the chain through the brushing oil subassembly, make smearing of chain lubricating oil more convenient, can reduce the possibility that the card pauses or blocks when opening and close, the chain exposes in the air for a long time simultaneously, easily be stained with the dust, the brush can also play clear effect to the chain, reduce the dust on the chain.

Optionally, the oil storage box slides along installation shell length direction and sets up in the installation shell, one side demountable installation that the chain was kept away from to the installation shell is located the oil storage box has the driving piece that is used for driving the oil storage box and removes.

Through adopting above-mentioned technical scheme, when closing the skylight, driving piece drive oil storage box removes to the chain direction, make the brush on two oil storage boxes contradict on the chain, the chain is at the in-process that removes in to the installation shell, the brush can be with lubricated oil brush on the chain, lubricate the chain, driving piece drive oil storage box removes to the direction of keeping away from the chain when the chain moves completely in the installation shell, make the brush keep away from the chain, the skylight need not to lubricate the chain during opening and opening, when the skylight is opened, the chain is kept away from to the brush, make the skylight keep away from the chain when opening, can avoid the brush to cause the waste of lubricating oil with the chain contact for a long time.

Optionally, a sliding groove is formed in the position, close to the chain outlet, of one side, close to the window sash, of the installation shell, and the oil storage box is clamped in the sliding groove.

Through adopting above-mentioned technical scheme, with the oil storage box card in the spout of installing casing, can fix the oil storage box on the installing casing, the driving piece can make the oil storage box slide away from the spout simultaneously, dismantles driving piece and oil storage box from the installing casing for the dismantlement and the installation operation of oil storage box are simpler.

Optionally, a dust cover is arranged at a position where the mounting shell is located on the sliding groove, and the oil storage box penetrates through the dust cover.

Through adopting above-mentioned technical scheme, when the day window is opened or is closed, the driving piece makes the oil storage box remove to the dust cover in, and the dust cover can block the dust in the partial air, can reduce the dust that drops on the brush as far as possible.

Optionally, one side of the oil storage box close to the driving part is provided with a clamping groove, the output end of the driving part is provided with a clamping plate, and the clamping plate is clamped in the clamping groove.

Through adopting above-mentioned technical scheme, with the cardboard card on the driving piece output in the draw-in groove of oil storage box, can take off oil storage box from the driving piece after the driving piece drive oil storage box slips away from the spout, the convenience is to the installation and the dismantlement of oil storage box.

Optionally, one side of the brush close to the oil storage box is provided with a threaded pipe, the brush is arranged on the oil storage box through threads of the threaded pipe, and bristles of the brush penetrate through the threaded pipe to contact with lubricating oil in the oil storage box.

Through adopting above-mentioned technical scheme, the brush damages easily in long-time use, passes through the screwed pipe screw thread with the brush and installs on the oil storage box, and the convenience is changed the brush, and the screw hole through the installation screwed pipe can be to the interior interpolation lubricating oil of oil storage box simultaneously for the interpolation of lubricating oil is more convenient.

Optionally, the threaded pipe is sleeved with a sealing ring, and the sealing ring abuts against the oil storage box.

Through adopting above-mentioned technical scheme, sealing washer on the screwed pipe can play sealed effect between oil storage box and the brush, can reduce the possibility of lubricating oil from the junction weeping of screwed pipe and oil storage box.

Optionally, the window opener is arranged in the window frame, a through groove for the chain to move is formed in one side, close to the window sash, of the window frame, and a wire passing hole for a motor wire to pass through is formed in one side of the window frame.

Through adopting above-mentioned technical scheme, will open the window the ware and install in the window frame, can avoid opening the window the ware occupation space on the window frame, will open the window the ware simultaneously and install in the window frame for whole skylight is more pleasing to the eye, and logical groove on the window frame makes things convenient for the chain to remove, and the electric wire of the ware of conveniently opening the window of crossing the line hole on the window frame passes from crossing the line hole, makes whole skylight neatly pleasing to the eye more.

Optionally, the both sides of window frame towards the casement one side articulate there is the air spring, the one end that the window frame was kept away from to the air spring is articulated with the both sides that the casement is close to the window frame one side.

Through adopting above-mentioned technical scheme, will open the window ware and install on the skylight, when the day window is opened, the chain plays the supporting role to the window fan, the skylight can promote the air spring and remove opening the in-process simultaneously, make the air spring be in tensile state, the air spring plays the effect of supporting to the both sides of casement, the air spring can bear certain power, play the effect of auxiliary stay to the chain, can reduce the long-time support of chain or receive the condition that the heavy load appears the lateral buckling, make the casement open the back and support more firm.

Optionally, one end of the gas spring is inserted into the window frame and hinged to the inner wall of the window frame, a moving groove for moving the gas supply spring is formed in one side, close to the window sash, of the window frame, one end, far away from the window frame, of the gas spring is inserted into the window sash and hinged to the inner wall of the window sash, and a moving groove for moving the gas supply spring is formed in one side, close to the window frame, of the window sash.

Through adopting above-mentioned technical scheme, articulate the both ends of air spring in window frame and casement respectively, when the day window is closed, the air spring can be hidden between casement and window frame, can reduce the occupation space of air spring, makes whole skylight more pleasing to the eye simultaneously.

In summary, the present application includes at least one of the following advantages:

1. lubricating oil is soaked on the brush through bristles in the oil storage box, and the oil can be automatically brushed in the moving process of the chain through the oil brushing assembly, so that the lubricating oil of the chain is more conveniently smeared;

2. when the skylight is closed, the driving piece drives the oil storage box to move towards the direction of the chain, the brush brushes lubricating oil on the chain, and when the skylight is opened, the oil storage box is far away from the chain under the action of the driving piece, so that the brush is far away from the chain during the opening of the skylight, and the waste of the lubricating oil caused by the long-time contact between the brush and the chain can be avoided;

3. the air spring plays a supporting role on two sides of the window sash, can bear certain force, plays an auxiliary supporting role on the chain, can reduce the supporting of the chain in a long water space or the lateral bending condition caused by heavy pressure, and enables the window sash to be more stable in supporting after being opened.

Drawings

FIG. 1 is a first schematic structural view of an insulated skylight according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram of the window opener.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is a schematic structural view of the oil wiping assembly.

Fig. 5 is a schematic structural diagram of a heat insulation skylight in an embodiment of the present application.

Description of reference numerals:

1. a window frame; 11. a through groove; 12. a wire passing hole; 13. a gas spring; 14. a moving groove; 2. a window sash; 21. a movable groove; 3. a window opener; 31. mounting a shell; 311. a drive member; 312. a chute; 313. a dust cover; 314. clamping a plate; 32. a chain; 4. an oil brushing component; 41. a brush; 411. a threaded pipe; 412. a seal ring; 42. an oil storage box; 421. a card slot; 422. a slide board.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a heat-insulating skylight. Referring to fig. 1 and 2, an insulated window includes a window frame 1 and a window sash 2, and one end of the window sash 2 is hinged to one end of the window frame 1. The window frame 1 is kept away from and is installed automatic ware 3 of windowing with 2 articulated one end of casement, and ware 3 of windowing is including installing the installation shell 31 and the chain 32 that are rectangular shape of motor, and the one end of chain 32 is located the installation shell 31 and can remove in installation shell 31 through the motor. The installation shell 31 is installed at the inner side of the window frame 1, one end of the chain 32 extending out of the installation shell 31 is hinged with the window sash 2, two oil brushing assemblies 4 are arranged on one side of the installation shell 31 close to the window sash 2, and the two oil brushing assemblies 4 are respectively positioned on two sides of an outlet of the chain 32 on the installation shell 31.

In order to keep the appearance of the skylight attractive, the mounting shell 31 of the window opener 3 is mounted inside the window frame 1, one side of the window frame 1 close to the window sash 2 is provided with a through groove 11 for the chain 32 to move, the chain 32 passes through the through groove 11 to be connected with the window sash 2, and meanwhile, the window frame 1 is further provided with a wire passing hole 12 for the motor wire of the window opener 3 to pass through. Install windowing ware 3 in window frame 1, can avoid windowing ware 3 occupation space on window frame 1, will window ware 3 simultaneously and install in window frame 1 for whole skylight is more pleasing to the eye, and logical groove 11 on the window frame 1 makes things convenient for the chain 32 to remove, and the motor line that the line hole 12 made things convenient for windowing ware 3 on the window frame 1 passes from crossing line hole 12, makes whole skylight neatly pleasing to the eye more.

Referring to fig. 2 and 3, the oil brushing assembly 4 includes a brush 41 and an oil storage box 42, the oil storage box 42 is mounted on the mounting shell 31, the oil storage box 42 is filled with lubricating oil, the brush 41 is mounted on one side of the oil storage box 42 close to the chain 32, the bristles of the brush 41 are arranged towards the direction of the chain 32 and located on the moving route of the chain 32, the bristles of the brush 41 extend into the oil storage box 42 and are immersed in the lubricating oil in the oil storage box 42, so that the lubricating oil can be brushed on the chain 32 through the bristles of the brush 41. After opening the skylight, chain 32 exposes in the air for a long time and makes lubricating oil on chain 32 air-dry easily, lead to when opening and close the skylight chain 32's the lubrication degree remove in installation shell 31 inadequately and appear blocking easily, need paint lubricating oil to chain 32, lubricating oil soaks on brush 41 through the brush hair in the oil storage box 42, can remove the automatic brushing oil of in-process at chain 32 through brushing oil subassembly 4, make the smearing of chain 32 lubricating oil more convenient, can avoid frequent artifical lubricating oil to chain 32, can reduce the skylight and appear blocking or the possibility of blocking when opening and close, chain 32 exposes in the air for a long time simultaneously, be stained with easily and glue the dust, brush 41 can also play clear effect to chain 32, reduce the dust on the chain 32.

In order to reduce the waste of lubricating oil, the oil storage box 42 is slidably disposed on the mounting shell 31 in the direction away from the chain 32, the driving member 311 is disposed on one side of the oil storage box 42 on the mounting shell 31, which is away from the brush 41, in this embodiment, the driving member 311 uses a micro electric pushing cylinder, the output end of the driving member 311 is connected to one end of the oil storage box 42, which is away from the brush 41, and the driving member 311 is fixed on the mounting shell 31, so that the driving member 311 and the oil storage box 42 can be conveniently detached and mounted. When the skylight is closed, the driving part 311 drives the oil storage boxes 42 to move towards the chain 32, the brushes 41 on the two oil storage boxes 42 are enabled to be abutted to the chain 32, the chain 32 moves towards the mounting shell 31, the brushes 41 can brush lubricating oil on the chain 32, the chain 32 is lubricated, when the skylight is completely closed, the oil storage boxes 42 move towards the direction far away from the chain 32 under the action of the driving part 311, the brushes 41 are enabled to leave the chain 32, the skylight does not need to lubricate the chain 32 in the opening process and in the opening period, when the skylight is opened, the oil storage boxes 42 are far away from the chain 32, the brushes 41 do not brush the chain 32 in the outward moving process of the chain 32, the brushes 41 are enabled to be far away from the chain 32 in the opening period, and waste of lubricating oil caused by the fact that the brushes 41 are in contact with the chain 32 for a long time can be avoided.

Referring to fig. 2 and 3, in order to make the oil storage box 42 more stably installed on the installation shell 31, sliding grooves 312 are provided on two sides of the installation shell 31 at the outlet of the chain 32, the sliding grooves 312 extend along the length direction of the installation shell 31, even sliding plates 422 are provided on two sides of the bottom of the oil storage box 42, the sliding plates 422 extend in the direction away from the oil storage box 42, the oil storage box is installed above the installation shell 31 by clamping the sliding plates 422 in the sliding grooves 312, and the oil storage box 42 slides along the length direction of the sliding grooves 312. When it is necessary to detach reservoir box 42 from mounting housing 31, driving member 311 slides reservoir box 42 away from slide 312, and reservoir box 42 is jammed in slide 312 of mounting housing 31, so that reservoir box 42 is more firmly mounted on mounting housing 31.

Draw-in groove 421 has been seted up to one side that oil storage box 42 is close to driving piece 311, draw-in groove 421 runs through driving piece 311, driving piece 311's output is provided with cardboard 314, driving piece 311 is connected with oil storage box 42 in locating draw-in groove 421 through inserting cardboard 314, driving piece 311 makes oil storage box 42 slide away from spout 312 when dismantling oil storage box 42, take off oil storage box 42 from the cardboard 314 of driving piece 311, make oil storage box 42's installation and dismantlement more convenient.

The brush 41 is exposed to the air for a long time, dust in the air is easily accumulated on the brush 41, in order to reduce the dust accumulated on the brush 41, a dust cover 313 is installed at the position of the installation shell 31, which is located at the sliding chute 312, the sliding chute 312 is covered by the dust cover 313 for the same length as the sliding chute 312, the oil storage box 42 passes through the dust cover 313, when the day window is opened or closed, the driving part 311 enables the oil storage box 42 to move into the dust cover 313, the dust cover 313 can block part of the dust in the air, and the dust falling on the brush 41 can be reduced as much as possible.

Referring to fig. 4, the brush 41 is easily damaged in a long-term use process, so the brush 41 needs to be replaced, in order to facilitate replacement of the brush 41, a threaded pipe 411 is arranged on one side of the brush 41 close to the oil storage box 42, a threaded hole is arranged on one side of the oil storage box 42 close to the brush 41, the threaded hole is communicated with the inside of the oil storage box 42, the threaded pipe 411 is installed in the threaded hole in a threaded manner, the brush 41 is fixed on the oil storage box 42, and bristles on the brush 41 are inserted into the oil storage box 42 through the threaded pipe 411 and are in contact with lubricating oil in the oil storage box 42. Install brush 41 on oil storage box 42 through screwed pipe 411 screw thread, conveniently change brush 41, can add lubricating oil to in the oil storage box 42 through the screw hole of installation screwed pipe 411 simultaneously for the interpolation of lubricating oil is more convenient.

In order to reduce the possibility of leakage of lubricating oil, a seal ring 412 is sleeved on the threaded pipe 411, the seal ring 412 is fixedly arranged on the bristles, when the hairbrush 41 is installed on the oil storage box 42, the seal ring 412 abuts against the oil storage box 42, the seal ring 412 can play a role in sealing the joint of the oil storage box 42 and the hairbrush 41, and the possibility of leakage of the lubricating oil from the joint of the threaded pipe 411 and the oil storage box 42 can be reduced.

Referring to fig. 5, when the window is opened, the window sash 2 is completely supported by the chain 32, and the chain 32 is supported for a long time or the window sash 2 is easily bent due to the heavy pressure on the chain 32, which easily causes damage to the window sash 2. The air springs 13 are installed on two sides of the window frame 1, one end of each air spring 13 is hinged to the window frame 1, one end, far away from the window frame 1, of each air spring 13 is hinged to the window sash 2, the push-pull force of the window opener 3 is 700N, the bearing capacity of each air spring 13 is 70 kg, and the window opener 3 can push or pull the air springs 13. The skylight can promote gas spring 13 to remove at the opening in-process, makes gas spring 13 be in tensile state, and gas spring 13 plays the effect of support to the both sides of casement 2, and gas spring 13 can bear certain power, plays the effect of auxiliary stay to chain 32, can reduce the long-time support of chain 32 or receive the heavy load possibility that the lateral buckling appears for support is more firm after casement 2 is opened.

In order to avoid overlarge installation space of the gas spring 13, two sides of one side, close to the window sash 2, of the window frame 1 are provided with moving grooves 14, one end of the gas spring 13 is inserted into the through groove 11 and hinged to the inner wall of the window frame 1, two sides of one side, close to the window frame 1, of the window sash 2 are provided with moving grooves 21 for moving the gas spring 13, and one end, far away from the window frame 1, of the gas spring 13 penetrates through the moving grooves 21 and is hinged to the inner wall of the window sash 2. The two ends of the gas spring 13 are respectively hinged in the window frame 1 and the window sash 2, when the sun window is closed, the gas spring 13 can be hidden between the window frame 1 and the window sash 2, the occupied space of the gas spring 13 can be reduced, and meanwhile, the whole skylight is more attractive.

The implementation principle of the heat-insulating skylight is as follows: when the skylight is opened, the chain 32 of the window opener 3 moves towards the outside of the mounting shell 31 to jack the window sash 2, the gas spring 13 can be stretched when the window sash 2 is opened, and the gas spring 13 can support the window sash 2. Meanwhile, the oil storage box 42 enables the brush 41 to be far away from the chain 32 under the action of the driving piece 311 and not to be in contact with the chain 32, when the skylight is closed, the chain 32 moves towards the mounting shell 31 under the action of the motor in the mounting shell 31, the air spring 13 is compressed when the chain 32 moves, the air spring 13 is recovered, meanwhile, the driving piece 311 drives the oil storage box 42 to move towards the chain 32, the brush 41 is enabled to be abutted against the chain 32, lubricating oil soaked on bristles of the brush 41 from the oil storage box 42 is brushed onto the chain 32, and the chain 32 is lubricated. When the sun visor is completely closed, the chain 32 is retracted in the mounting case 31, the driving member 311 drives the oil storage box 42 to move away from the chain 32, so that the brush 41 stays in the dust cover 313, and the gas spring 13 is hidden in the window frame 1 and the window sash 2.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A heat-insulating skylight comprises a window frame (1) and a window sash (2) which are mutually matched, and is characterized in that: the one end of casement (2) is articulated with the one end of window frame (1), window frame (1) is kept away from and is installed ware (3) of windowing with casement (2) articulated one end, install installation shell (31) and one end chain (32) that one end is located installation shell (31) including installing the motor ware (3) of windowing, installation shell (31) sets up in window frame (1), the one end that installation shell (31) were kept away from in casement (2) sets firmly keep away from with window frame (1) articulated one end, both sides that installation shell (31) are located chain (32) exit are equipped with brushing oil subassembly (4), brushing oil subassembly (4) include brush (41) and oil storage box (42) that are equipped with lubricating oil, the brush hair of brush (41) is located the movement route of chain (32), oil storage box (42) set up in the one side that installation shell (31) are close to casement (2), the hairbrush (41) is arranged on one side, close to the chain (32), of the oil storage box (42), and one end of the hairbrush is located in the oil storage box (42).

2. An insulated skylight according to claim 1, characterized in that: oil storage box (42) slide along installation shell (31) length direction and set up in installation shell (31), one side demountable installation that installation shell (31) are located oil storage box (42) and keep away from chain (32) has driving piece (311) that are used for driving oil storage box (42) to remove.

3. An insulated skylight according to claim 2, characterized in that: the installation shell (31) is provided with one side that is close to the casement (2) and is equipped with spout (312) near the position of chain (32) export, spout (312) are located in the card of oil storage box (42).

4. A thermally insulated skylight according to claim 3, characterized in that: the mounting shell (31) is provided with a dust cover (313) at the position of the sliding groove (312), and the oil storage box (42) penetrates through the dust cover (313).

5. An insulated skylight according to claim 4, characterized in that: a clamping groove (421) is formed in one side, close to the driving piece (311), of the oil storage box (42), a clamping plate (314) is arranged at the output end of the driving piece (311), and the clamping plate (314) is clamped in the clamping groove (421).

6. An insulated skylight according to claim 1, characterized in that: one side that brush (41) are close to oil storage box (42) is equipped with screwed pipe (411), brush (41) set up in oil storage box (42) through screwed pipe (411) screw thread, the brush hair of brush (41) passes screwed pipe (411) and the interior lubricating oil contact of oil storage box (42).

7. An insulated skylight according to claim 6, characterized in that: the threaded pipe (411) is sleeved with a sealing ring (412), and the sealing ring (412) is abutted to the oil storage box (42).

8. An insulated skylight according to claim 1, characterized in that: the window opener (3) is arranged in the window frame (1), one side, close to the window sash (2), of the window frame (1) is provided with a through groove (11) for the chain (32) to move, and one side of the window frame (1) is provided with a wire passing hole (12) for the motor wire to pass through.

9. An insulated skylight according to claim 1, characterized in that: the window is characterized in that two sides of the window frame (1) are hinged with air springs (13), and one ends, far away from the window frame (1), of the air springs (13) are hinged with two sides, close to one surface of the window frame (1), of the window sashes (2).

10. An insulated skylight according to claim 9, wherein: one end of the air spring (13) is inserted into the window frame (1) and hinged to the inner wall of the window frame (1), a moving groove (14) for the air supply spring (13) to move is formed in one side, close to the window sash (2), of the window frame (1), one end, far away from the window frame (1), of the air spring (13) is inserted into the window sash (2) and hinged to the inner wall of the window sash (2), and a moving groove (21) for the air supply spring (13) to move is formed in one side, close to the window frame (1), of the window sash (2).