CN211666605U

CN211666605U - Built-in shutter

Info

Publication number: CN211666605U
Application number: CN202020115127.9U
Authority: CN
Inventors: 朱家成; 王诗存
Original assignee: Beijing Guofeng Jianye Door And Window Manufacturing Co ltd
Current assignee: Beijing Guofeng Jianye Door And Window Manufacturing Co ltd
Priority date: 2020-01-18
Filing date: 2020-01-18
Publication date: 2020-10-13
Anticipated expiration: 2030-01-18

Abstract

The utility model discloses a built-in shutter, including window frame and casement, the casement is provided with interior glass and outer glass, interior glass and outer glass parallel arrangement, form hollow airtight space between interior glass and the outer glass, be provided with the blind in the airtight space, the blind includes a plurality of parallel arrangement's shutter plate, be provided with the angle adjusting part and the lift subassembly that drives the lift of blind in the casement that are used for adjusting the shutter plate angle in the casement, angle adjusting part and lift subassembly set up in the homonymy of casement, the casement is provided with the drive assembly that can desynchronously drive angle adjusting part and lift subassembly; the driving assembly comprises a driving rod, a first main gear and a second main gear, the first main gear and the second main gear are arranged on the driving rod, and when the first main gear is connected with the angle adjusting assembly, the second main gear and the lifting assembly are arranged in a staggered mode; the driving rod is connected with the window sash in a sliding way. It does not need large-amplitude body movement when controlling the blind, and has the advantages of convenient and labor-saving use.

Description

Built-in shutter

Technical Field

The utility model relates to a window field, in particular to built-in shutter.

Background

The built-in blind window is a sun-shading product which installs the original external blind window in hollow glass, the built-in glass blind window is applied to various office and living places with windows and doors, the built-in blind window has the advantages of low noise and good sun-shading effect, meanwhile, the closed blind window can effectively prevent dust from being infected with blades, the difficulty of cleaning is saved, and the service life of the blind window can also be prolonged.

The patent document with the prior publication number of CN207728286U discloses a built-in shutter, which comprises a window frame and a window sash, wherein an inner sliding block is connected in the window frame in a sliding manner, an outer sliding block is connected in the window frame in a sliding manner, the outer sliding block is magnetically connected with the inner sliding block, a plurality of clamping plates are fixedly connected to the window frame, a lock pin component matched with the clamping plates in an embedded manner is arranged in the outer sliding block, a pressing hook is arranged in the outer sliding block, a sliding barrel for the sliding of the pressing hook is arranged in the window frame, a pressing component matched with the clamping plates in an embedded manner is also arranged in the sliding barrel in a driving manner, a collision groove for the pressing hook to touch the pressing component is formed in the peripheral wall of the sliding barrel, a first positioning tooth and a second positioning tooth are arranged.

Although this built-in shutter is when using, the user is through sliding outer slider, and outer slider passes through magnetic force and drives interior slider slip, and interior slider passes through the rope and connects the blind, and through the slip of interior slider, interior slider drives packing up or releasing of blind. The user presses one side and presses the hook, presses the hook and just can drive and press the subassembly and rotate to press the subassembly and drive the lockpin subassembly and rotate, lockpin subassembly and cardboard inlay card cooperation realize outer slider rigidity, thereby outer slider makes inner slide block rigidity, and the blind that inner slide block connects can not open and close at will.

However, the actual lifting and turning of the built-in shutter are controlled by the magnetic force between the inner slider and the outer slider, and the outer slider drives the inner slider to slide through the magnetic force by sliding the outer slider, so that the shutter is controlled.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a built-in shutter does not need by a wide margin physical movement, convenient to use laborsaving advantage during its control blind.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a built-in blind window comprises a window frame and a window sash, wherein the window sash is provided with inner glass and outer glass which are arranged in parallel, a hollow closed space is formed between the inner glass and the outer glass, a blind curtain is arranged in the closed space and comprises a plurality of parallel blind blades, an angle adjusting assembly for adjusting the angles of the blind blades and a lifting assembly for driving the blind curtain to lift are arranged in the window sash, the angle adjusting assembly and the lifting assembly are arranged on the same side of the window sash, and the window sash is provided with a driving assembly capable of driving the angle adjusting assembly and the lifting assembly asynchronously; the driving assembly comprises a driving rod, a first main gear and a second main gear, the first main gear and the second main gear are arranged on the driving rod, and when the first main gear is connected with the angle adjusting assembly, the second main gear and the lifting assembly are arranged in a staggered mode; the driving rod is connected with the window sash in a sliding mode.

Through adopting above-mentioned technical scheme, the blind setting can be in the noise reduction in the sunshade inside hollow airtight space, effectively avoids the dust to glue on the tripe piece of blind. When the angle of the louver blade needs to be adjusted, the driving rod is rotated, the driving rod drives the first main gear to synchronously rotate, the first main gear acts on the angle adjusting component, and the angle of the louver blade is adjusted under the action of the first main gear and the angle adjusting component; when the blind curtain needs to be lifted upwards, the driving rod is moved, the driving rod drives the second main gear to move towards one side close to the lifting assembly, and the second main gear drives the lifting assembly to move, so that the blind curtain is lifted. The angle adjusting assembly and the lifting assembly are directly driven to do asynchronous movement by rotating one driving rod, and the angle adjustment and lifting of the blind can be directly realized without large-amplitude body movement. Therefore, the utility model discloses do not need by a wide margin physical exercise when control blind, have convenient to use laborsaving advantage.

The utility model discloses further set up to: the lifting assembly comprises lifting ropes arranged on the louver blades and a rope winder arranged on the window sash, a rotating rod is arranged on the rope winder and coaxially rotates with the rope winder, an installation transverse plate is arranged at the lower end of the louver curtain, one end of each lifting rope is fixedly connected with the installation transverse plate, and the other end of each lifting rope penetrates through the louver blades and then is connected with the rope winder; the second main gear drives the rope winder to rotate through the second transmission assembly.

Through adopting above-mentioned technical scheme, remove the actuating lever, make second master gear and second drive assembly interact, the actuating lever rotates, the actuating lever drives the synchronous rotation of second master gear, second drive assembly drive ropewinder rotates, because the lifting rope is around connecing in the ropewinder, the ropewinder realizes putting the book of lifting rope at the pivoted in-process, lifting rope and installation diaphragm fixed connection, thereby realize reciprocating to the installation diaphragm, the installation diaphragm acts on the shutter plate of its top at the in-process that reciprocates, the installation diaphragm drives the shutter plate and reciprocates, thereby realize the lift to the blind.

The utility model discloses further set up to: the casement is provided with the dead lever, dead lever and dwang set up respectively in the both sides of casement, dead lever and dwang are parallel and relative the setting, the one end that installation diaphragm was kept away from to the lifting rope is worn to locate behind shutter plate and the dead lever in order and is connected with the ropewinder.

Through adopting above-mentioned technical scheme, because the lower extreme at the blind is installed to the installation diaphragm, wear to locate the shutter plate behind the lower extreme and the installation diaphragm fixed connection of lifting rope, the lifting rope is kept away from the one end of installation diaphragm and is changed the extending direction under the effect of dead lever, changes the downwardly extending into by original ascending extending direction, the lifting rope is connected with the ropewinder behind the dead lever, be convenient for install the ropewinder at the lower extreme of blind to be convenient for realize the drive to the ropewinder.

The utility model discloses further set up to: the angle adjusting assembly comprises a turnover rope arranged on the louver blades and a turnover shaft arranged on the window sash, the turnover rope is sequentially connected with a plurality of louver blades and then fixedly connected with a traction rope, one end of the traction rope, far away from the turnover rope, is connected with the turnover shaft, and the first main gear drives the turnover shaft to rotate synchronously through the first transmission assembly.

Through adopting above-mentioned technical scheme, remove the actuating lever, make first master gear and first drive assembly interact, rotate the actuating lever, the actuating lever drives first master gear synchronous rotation, and first drive assembly drive trip shaft rotates, because the haulage rope is around connecing in the trip shaft, and the trip shaft realizes putting the roll-up of haulage rope at the pivoted in-process, and the haulage rope acts on the upset rope, and the upset rope acts on the shutter plate to the upset of realization to the shutter plate.

The utility model discloses further set up to: the louver blade is provided with a through hole for the traction rope to pass through, and the traction rope penetrates through the through hole and then is fixedly connected with the turnover shaft.

By adopting the technical scheme, on one hand, the drawing rope can conveniently penetrate through the louver blades, the drawing rope and the louver blades can be connected in a sliding manner, and the drawing rope is not hindered from turning over when the turning shaft pulls the drawing rope; on the other hand rotates the trip shaft, and the trip shaft is the haulage rope of pulling downwards, and the haulage rope converts decurrent effort into the effort of upwards lifting up the shutter plate, realizes the conversion to the direction of the power that acts on the shutter plate, is convenient for realize the upset of shutter plate.

The utility model discloses further set up to: the first transmission assembly comprises a first turbine and a first worm rod, the first turbine and the first worm rod are arranged on the overturning shaft and meshed with each other, the first worm rod is provided with a first driven gear, and the first main gear is meshed with the first driven gear.

By adopting the technical scheme, on one hand, the first master gear is meshed with the first slave gear, the first master gear drives the first slave gear to synchronously rotate, the first slave gear drives the first worm to synchronously rotate, the first worm is meshed with the first worm, and further the first worm is driven, and the first worm is connected with the overturning shaft, so that the overturning shaft is driven; on the other hand, due to the constantly engaged state of the first worm wheel and the first worm, when the first master gear is spaced apart from the first slave gear, reverse rotation of the first worm wheel is prevented under interaction of the first worm wheel and the first worm.

The utility model discloses further set up to: the second transmission assembly comprises a second turbine and a second worm rod which are arranged on the rotating rod, the second turbine is meshed with the second worm rod, the second worm rod is provided with a second driven gear, and the second main gear is meshed with the second driven gear; the first main gear and the second main gear coaxially rotate, and when the first main gear is meshed with the first driven gear, the second main gear and the second driven gear are arranged in a staggered mode.

Through adopting above-mentioned technical scheme, because second master gear and second from gear engagement, the second master gear drives the second and follows gear synchronous revolution, because the second follows gear drive second worm synchronous revolution, second turbine and second worm mesh mutually, and then realize the drive to the second turbine, again because second turbine and dwang are connected to the drive of realization dwang. When the first main gear is meshed with the first driven gear, the second main gear and the second driven gear are arranged in a staggered mode, and asynchronous rotation of the rotating rod and the overturning shaft is achieved. On the other hand, due to the constantly engaged state of the second worm wheel and the second worm, when the second master gear is spaced apart from the second slave gear, reverse rotation of the second worm wheel is prevented under the interaction of the second worm wheel and the second worm.

The utility model discloses further set up to: the window comprises a window sash and is characterized in that a rotating seat is arranged inside the window sash, a sliding groove is formed in the rotating seat, the driving rod penetrates through the window sash, the end part of the driving rod inside the window sash is inserted into the rotating seat, and the end part of the driving rod is connected with the rotating seat in a sliding mode.

Through adopting above-mentioned technical scheme, realize the rotation of actuating lever and casement and be connected, be convenient for rotate the actuating lever.

The utility model discloses further set up to: the tip of actuating lever is provided with the sliding block, sliding block and sliding groove sliding connection.

Through adopting above-mentioned technical scheme, the piece that slides drives the actuating lever and removes, realizes the slip of actuating lever and casement and is connected, is convenient for realize the removal of actuating lever.

The utility model discloses further set up to: and a rotating handle is arranged at the end part of the driving rod positioned outside the window sash.

Through adopting above-mentioned technical scheme, be convenient for rotate the actuating lever.

To sum up, the utility model discloses following beneficial effect has: the blind is arranged in the hollow closed space, so that the noise can be reduced while the sun is shaded, and dust is effectively prevented from being adhered to the blind sheets of the blind. The driving rod drives the first main gear to synchronously rotate, and the angle of the louver blades is adjusted under the action of the first main gear and the angle adjusting assembly; through the connection of sliding of actuating lever and casement, be convenient for remove the actuating lever and move to the one side that is close to lifting unit, second owner gear drive lifting unit motion realizes the promotion to the blind. The angle adjusting assembly and the lifting assembly are directly driven to do asynchronous movement by rotating one driving rod, and the angle adjustment and lifting of the blind can be directly realized without large-amplitude body movement.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic overall structure diagram of a window sash according to an embodiment of the present invention;

FIG. 3 is a partial exploded view of FIG. 2;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a schematic view of the connection among the blind, the angle adjusting assembly, the lifting assembly and the driving assembly according to the embodiment of the present invention;

fig. 6 is an enlarged view of a portion B in fig. 5.

In the figure, 1, a window frame; 2. a window sash; 21. an upper frame; 22. a lower frame; 23. a side frame; 3. an inner glass; 4. an outer glass; 5. a blind; 51. louver blades; 6. an angle adjustment assembly; 61. turning over the rope; 62. a turning shaft; 63. a hauling rope; 7. installing a transverse plate; 8. a lifting assembly; 81. a lift cord; 82. a rope winder; 9. fixing the rod; 10. rotating the rod; 20. a drive assembly; 201. a drive rod; 202. a first main gear; 203. a second main gear; 30. a rotating seat; 40. a first transmission assembly; 401. a first turbine; 402. a first scroll bar; 403. a first slave gear; 50. a second transmission assembly; 501. a second turbine; 502. a second scroll bar; 503. a second slave gear; 60. a first support base; 70. a second support seat; 80. a handle; 90. the handle is rotated.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Combine fig. 1 and fig. 2, do the utility model discloses a built-in shutter, including being the window frame 1 that the rectangle set up, the installing port of rectangle is seted up to window frame 1, installs two casement 2 in the installing port, and two casement 2 can open and shut and set up in the inside of installing port. One side of the window sash 2 is hinged with the window frame 1, and the other side is provided with a handle 80 for opening and closing the window sash 2.

Referring to fig. 2 and 3, the window sash 2 includes an upper frame 21, a lower frame 22, and two side frames 23. The upper frame 21, the lower frame 22 and the two side frames 23 form a rectangular frame-shaped structure. The window sash 2 is provided with inner glass 3 and outer glass 4 which are arranged in parallel, a hollow closed space is formed between the inner glass 3 and the outer glass 4, and a blind 5 is arranged in the closed space. The blind 5 includes a plurality of louvers 51 arranged at intervals up and down, and adjacent louvers 51 are arranged in parallel.

Referring to fig. 3 and 4, an angle adjusting assembly 6 for adjusting the angle of the louver blades 51 is provided in the lower frame 22 of the window sash 2. The angle adjustment assembly 6 includes a flip cord 61 and a flip shaft 62 and a pull cord 63.

The lower end of the blind 5 is provided with a horizontal installation transverse plate 7, and the installation transverse plate 7 is arranged in parallel with the lower frame 22. The turning rope 61 is fixedly connected with the shutter 5. The upper end of the overturning rope 61 is fixedly connected with the upper frame 21 of the window sash 2, the louver blades 51 are provided with first fixing holes, the mounting transverse plate 7 is provided with two second fixing holes which are arranged at intervals, one end of the overturning rope 61, far away from the upper frame 21, sequentially penetrates through the plurality of first fixing holes and the plurality of second fixing holes from top to bottom, and the overturning rope 61 is fixedly connected with the first fixing holes; the turnover rope 61 penetrates through the two second fixing holes and then extends upwards, and the turnover rope 61 is fixedly connected with the mounting transverse plate 7; the third fixed orifices has been seted up to shutter plate 51, and third fixed orifices and first fixed orifices interval set up, and the tip that installation diaphragm 7 was kept away from to upset rope 61 is from supreme wearing to locate the third fixed orifices in order and extending to the inside of supreme frame 21 down, upset rope 61 and third fixed orifices fixed connection.

The number of the turnover shafts 62 is four, and the four turnover shafts 62 are distributed in a rectangular array. The upper frame 21 is hollow, and the turning rope 61 is sequentially wound on the turning shaft 62 positioned on the same side. The end of the turning rope 61 inside the upper frame 21 is wound around the turning shaft 62 and then fixedly connected with the pulling rope 63. The louver 51 is provided with a through hole through which the traction rope 63 passes. The one end that the haulage rope 63 kept away from upset rope 61 wears to locate the via hole in order from last to down and extends to the inside of lower frame 22, is located the inside haulage rope 63 of lower frame 22 and sets up in the inside trip shaft 62 fixed connection of lower frame 22. The pulling rope 63 is connected with the via hole in a sliding mode.

A lifting component 8 for driving the blind 5 to lift is also arranged in the lower frame 22 of the window sash 2. Lift assembly 8 includes lift cords 81 and cord winder 82.

The rope winder 82 is fixedly arranged on one side of the lower frame 22 close to the turning shaft 62, and the rope winder 82 and the turning shaft 62 are arranged in a staggered mode. The lower end of lift cord 81 is looped around cord winder 82. First guiding hole has been seted up to installation diaphragm 7, and the second guiding hole has been seted up to shutter plate 51, and the one end that ropewinder 82 was kept away from to lifting rope 81 is from supreme running through in first guiding hole and second guiding hole in order and extending to the inside of frame 21 down. The fixed rod 9 is horizontally arranged in the upper frame 21, and the lifting rope 81 in the upper frame 21 extends downwards after being wound on the fixed rod 9. The louver blades 51 are provided with third guide holes, and the end parts of the lifting ropes 81 sequentially penetrate through the third guide holes from top to bottom and are fixedly connected with the mounting transverse plate 7.

Two rope winders 82 are provided, the two rope winders 82 are respectively disposed on two sides of the lower frame 22, the two rope winders 82 are connected by a rotating rod 10, and the rotating rod 10 and the rope winders 82 coaxially rotate. Lift cords 81 and cord reels 82 are in one-to-one correspondence.

Referring to fig. 5 and 6, the lower frame 22 of the window sash 2 is provided with a driving assembly 20 capable of driving the movement of the angle adjusting assembly 6 and the lifting assembly 8 asynchronously. The driving assembly 20 includes a driving rod 201, and a first main gear 202 and a second main gear 203 provided to the driving rod 201.

Referring to fig. 4 and 6, the driving lever 201 is slidably connected to the window sash 2. The inside welding of casement 2 lower frame 22 has the seat 30 that rotates, rotates the seat 30 and has seted up the groove of sliding in its central department, and the groove of sliding sets up along the length direction who rotates seat 30. The actuating lever 201 runs through in casement 2, and the tip that is located 2 inside actuating levers 201 of casement is pegged graft in the groove that slides, and the tip integrated into one piece of actuating lever 201 has the sliding block, and the sliding block is circular setting, and the periphery wall butt of sliding block is in the internal perisporium in groove that slides, sliding block and sliding groove sliding connection slide.

The driving lever 201 located inside the window sash 2 is sequentially keyed to the second main gear 203 and the first main gear 202 from inside to outside.

The first main gear 202 drives the turnover shaft 62 to rotate synchronously through the first transmission assembly 40. The first transmission assembly 40 includes a first worm gear 401 and a first worm 402, and a first driven gear 403, the first worm gear 401 and the first worm 402 being engaged.

The turning shaft 62 disposed inside the lower frame 22 rotates coaxially with the first turbine 401, and the first turbine 401 is disposed on a side of the turning shaft 62 close to the driving rod 201. Lower frame 22 internal weld has two first supporting seat 60, and first scroll bar 402 sets up between two first supporting seat 60, and first shaft hole has been seted up to first supporting seat 60, and two first shaft holes set up relatively, and the both ends of first scroll bar 402 rotate respectively to be connected in the inside in first shaft hole. The axis of the first scroll 402 is perpendicular to the axis of the trip shaft 62. The first slave gear 403 is keyed at its axial center to the first scroll 402, and the first master gear 202 and the first slave gear 403 are meshed.

The second main gear 203 drives the rope winder 82 to rotate through the second transmission assembly 50. The second transmission assembly 50 comprises a second worm wheel 501, a second worm 502 and a second driven gear 503, wherein the second worm wheel 501 is meshed with the second worm 502.

The rope winder 82 rotates coaxially with the second worm wheel 501, and the second worm wheel 501 is arranged on one side of the rope winder 82 close to the driving rod 201. Two second supporting seats 70 are welded inside the lower frame 22, the second scroll 502 is arranged between the two second supporting seats 70, the second supporting seats 70 are provided with second shaft holes, the two second shaft holes are oppositely arranged, and two ends of the second scroll 502 are respectively rotatably connected inside the second shaft holes. The axis of second scroll 502 is perpendicular to the axis of cord winder 82. The second slave gear 503 is keyed with the second scroll 502 at the axial center thereof, and the second master gear 203 and the second slave gear 503 are engaged. The first main gear 202 and the second main gear 203 rotate coaxially, and when the first main gear 202 and the first slave gear 403 are engaged, the second main gear 203 and the second slave gear 503 are disposed in a staggered manner.

A rotating knob 90 is mounted to the end of the driving lever 201 located outside the window sash 2.

The implementation principle of the embodiment is as follows: the blind 5 is arranged in the hollow closed space, so that the noise can be reduced while the sun is shielded, and dust is effectively prevented from being adhered to the louver blades 51 of the blind 5.

When the angle of the louver blade 51 needs to be adjusted, the driving rod 201 is rotated, the driving rod 201 drives the first main gear 202 to synchronously rotate, the first main gear 202 drives the first slave gear 403 to synchronously rotate, the first turbine 401 is meshed with the first scroll bar 402, the first turbine 401 is driven to rotate, the first turbine 401 drives the turning shaft 62 to rotate, the turning shaft 62 pulls the traction rope 63 downwards, and the traction rope 63 converts the downward acting force into the acting force for lifting the louver blade 51 upwards, so that the angle of the louver blade 51 is adjusted;

when the blind 5 needs to be lifted upwards, the driving rod 201 is moved, the driving rod 201 drives the second master gear 203 to move to a side close to the lifting assembly 8, the first master gear 202 is disengaged from the first slave gear 403, the second master gear 203 is engaged with the second slave gear 503, the second master gear 203 drives the second slave gear 503 to synchronously rotate, the second worm gear 501 is engaged with the second worm 502, and the second worm gear 501 drives the rope winder 82 to rotate, so that the blind 5 is lifted.

The angle adjustment and the lifting of the blind 5 can be directly realized without large physical movement by rotating one driving rod 201 to directly drive the asynchronous movement of the angle adjustment assembly 6 and the lifting assembly 8. Therefore, the utility model discloses do not need by a wide margin physical exercise when control blind 5, have convenient to use laborsaving advantage.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The built-in shutter comprises a window frame (1) and a window sash (2), wherein the window sash (2) is provided with inner glass (3) and outer glass (4), the inner glass (3) and the outer glass (4) are arranged in parallel, a hollow closed space is formed between the inner glass (3) and the outer glass (4), a blind (5) is arranged in the closed space, the blind (5) comprises a plurality of parallel louver blades (51), it is characterized in that an angle adjusting component (6) for adjusting the angle of the louver blades (51) and a lifting component (8) for driving the louver curtain (5) to lift are arranged in the window sash (2), the angle adjusting component (6) and the lifting component (8) are arranged at the same side of the window sash (2), the window sash (2) is provided with a driving component (20) which can asynchronously drive the angle adjusting component (6) and the lifting component (8); the driving assembly (20) comprises a driving rod (201), a first main gear (202) and a second main gear (203) which are arranged on the driving rod (201), and when the first main gear (202) is connected with the angle adjusting assembly (6), the second main gear (203) and the lifting assembly (8) are arranged in a staggered mode; the driving rod (201) is connected with the window sash (2) in a sliding mode.

2. The built-in blind according to claim 1, characterized in that the lifting assembly (8) comprises a lifting rope (81) arranged on the louver blades (51) and a rope winder (82) arranged on the window sash (2), a rotating rod (10) is arranged on the rope winder (82), the rotating rod (10) and the rope winder (82) rotate coaxially, a mounting transverse plate (7) is arranged at the lower end of the blind (5), one end of the lifting rope (81) is fixedly connected with the mounting transverse plate (7), and the other end of the lifting rope penetrates through a plurality of louver blades (51) and then is connected with the rope winder (82); the second main gear (203) drives the rope winder (82) to rotate through the second transmission assembly (50).

3. A built-in blind according to claim 2, characterized in that the window sash (2) is provided with a fixing rod (9), the fixing rod (9) and the rotating rod (10) are respectively arranged at two sides of the window sash (2), the fixing rod (9) and the rotating rod (10) are arranged in parallel and oppositely, one end of the lifting rope (81) far away from the installation transverse plate (7) is sequentially arranged through the louver blades (51) and the fixing rod (9) and then connected with the rope winder (82).

4. A built-in blind according to claim 2, characterized in that the angle adjusting assembly (6) comprises a turning rope (61) disposed on the louver blades (51) and a turning shaft (62) disposed on the window sash (2), the turning rope (61) is fixedly connected with a pulling rope (63) after being sequentially connected with a plurality of louver blades (51), one end of the pulling rope (63) far away from the turning rope (61) is connected with the turning shaft (62), and the first main gear (202) drives the turning shaft (62) to synchronously rotate through the first transmission assembly (40).

5. The built-in blind window as claimed in claim 4, wherein the louver blades (51) are provided with through holes for the pulling ropes (63) to pass through, and the pulling ropes (63) are fixedly connected with the turning shaft (62) after passing through the through holes.

6. A built-in blind according to claim 4, characterised in that the first transmission assembly (40) comprises a first worm gear (401) and a first worm (402) arranged at the tilt shaft (62), the first worm gear (401) and the first worm (402) being in mesh, the first worm (402) being provided with a first slave gear (403), the first master gear (202) and the first slave gear (403) being in mesh.

7. A built-in blind according to claim 6, characterised in that the second transmission assembly (50) comprises a second worm gear (501) and a second worm (502) arranged on the turning rod (10), the second worm gear (501) and the second worm (502) being in mesh, the second worm (502) being provided with a second slave gear (503), the second master gear (203) being in mesh with the second slave gear (503); the first main gear (202) and the second main gear (203) rotate coaxially, and when the first main gear (202) is meshed with the first slave gear (403), the second main gear (203) and the second slave gear (503) are arranged in a staggered mode.

8. A built-in blind according to claim 1, wherein a rotating seat (30) is provided inside the window sash (2), a sliding groove is provided on the rotating seat (30), the driving rod (201) penetrates through the window sash (2), the end of the driving rod (201) inside the window sash (2) is inserted into the rotating seat (30), and the end of the driving rod (201) is slidably connected with the rotating seat (30).

9. A built-in blind according to claim 8, characterised in that the end of the driving rod (201) is provided with a sliding block, which is slidingly connected with a sliding groove.

10. A built-in blind according to claim 8, characterised in that the end of the drive rod (201) located outside the sash (2) is provided with a turning knob (90).