CN114041692A

CN114041692A - Intelligent curtain driving mechanism

Info

Publication number: CN114041692A
Application number: CN202111281211.3A
Authority: CN
Inventors: 王巧灵
Original assignee: Individual
Current assignee: Shenzhen City Hanjie Intelligence Engineering Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-02-15
Anticipated expiration: 2041-11-01
Also published as: CN114041692B

Abstract

The invention discloses an intelligent curtain driving mechanism which comprises a mounting box, wherein guide shafts are rotatably mounted on the inner walls of two sides of the mounting box, lantern rings are distributed and sleeved on the outer walls of the guide shafts, hooks are rotatably mounted on the outer walls of the bottoms of the lantern rings, a curtain driving assembly is arranged on the inner wall of the mounting box above the guide shafts, a curtain furling assembly is arranged above the guide shafts, and a hoisting height adjusting assembly is arranged on the mounting box above the guide shafts; in the invention, the curtain driving component is arranged, so that the curtain cloth can be driven to unfold and fold; the intelligent control in the later period is facilitated; the curtain rolling component is arranged, so that the guide shaft can vertically roll the unfolded curtain cloth, the whole curtain has the capability of multidirectional adjustment and unfolding, and the curtain rolling component is beneficial to use in multiple scenes; due to the arrangement of the hoisting height adjusting assembly, the height of the mounting box can be adjusted, workers can maintain and clean the curtain driving mechanism without climbing, and the curtain cloth can be conveniently detached and replaced.

Description

Intelligent curtain driving mechanism

Technical Field

The invention relates to the technical field of curtain driving structures, in particular to an intelligent curtain driving mechanism.

Background

The curtain is made of cloth, hemp, yarn, aluminum sheet, wood chip, metal material and the like, and has the functions of shading, insulating heat and adjusting indoor light; the control modes of the curtain are manual and electric; the motorized window treatment comprises: the intelligent curtain comprises an electric retractable curtain, an electric rolling curtain, an electric soft curtain, an electric ceiling curtain, an electric zebra curtain, an electric wooden curtain, an electric Roman curtain, an electric organ curtain and the like, which become indispensable indoor ornaments for living rooms and are combined with functionality and decoration.

The actuating mechanism structure of intelligence (window) curtain in the existing market is comparatively simple, and (window) curtain actuating mechanism has some shortcomings:

1. the curtain can only be controlled to transversely open and close and move, cannot simultaneously have the function of vertically rolling up the curtain cloth, and cannot be controlled to vertically roll up the curtain;

2. traditional (window) curtain actuating mechanism passes through bolt fixed mounting at the window top, can not carry out the regulation of height after the installation, and when the later maintenance was clean, it was gone on to need the worker to climb the dismantlement, can not control installation back (window) curtain actuating mechanism and descend, and is comparatively inconvenient.

Disclosure of Invention

The invention aims to provide an intelligent curtain driving mechanism, which solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an intelligence (window) curtain actuating mechanism, includes the mounting box, rotate on the both sides inner wall of mounting box and install the guide shaft, it is equipped with the lantern ring to distribute the cover on the outer wall of guide shaft, rotate on the bottom outer wall of the lantern ring and install the couple, the mounting box is located and is provided with (window) curtain drive assembly on the inner wall of guide shaft top, the top of guide shaft is provided with (window) curtain roll-up subassembly, the top that the mounting box is located the guide shaft is provided with hoist and mount altitude mixture control subassembly.

As a preferred embodiment of the present invention, the curtain driving assembly includes a screw rod rotatably installed inside the installation box, a first motor is installed on an outer wall of one side of the installation box, one end of an output shaft of the first motor is fixedly connected with one end of the screw rod, a moving bar is disposed above the screw rod, a transmission screw hole is formed in an outer wall of a middle portion of the moving bar in a penetrating manner, the screw rod is connected with the transmission screw hole in a screwed manner, a fixed rod is connected to an outer wall of one side of a bottom end of the moving bar, an end portion of the fixed rod is rotatably installed with a guide wheel, an annular guide groove is formed in an outer wall of a collar of one side, and the guide wheel is clamped inside the annular guide groove.

As a preferred embodiment of the present invention, the curtain furling assembly includes latches distributed on an outer wall of the guide shaft, an annular tooth groove is formed on an inner wall of one side of the collar, a second motor is fixed on an outer wall of one side of the mounting box, and one end of an output shaft of the second motor is connected to one end of the guide shaft.

As a preferred embodiment of the present invention, the hoisting height adjusting assembly includes a winding disc sleeved at both ends of the guide shaft, a hoisting rope is fixedly wound on an outer wall of the winding disc, through holes are formed in outer walls of both ends of the top of the mounting box, one end of the hoisting rope penetrates through the through holes and is connected to a mounting plate, and linkage locking units are correspondingly arranged on inner walls of the winding disc and the guide shaft.

As a preferred embodiment of the present invention, the linkage locking unit includes a push rod fixed on an outer wall of one side of a top end of the movable bar, a side hole is formed on an outer wall of a top portion of the mounting box, mounting grooves are formed on inner walls of both ends of the guide shaft, an insertion hole is formed through an outer wall of one side of the mounting groove of the guide shaft, an insertion rod is inserted into the insertion hole, a conical block is connected to an outer wall of one end of the insertion rod located inside the mounting groove, a spring is sleeved on an outer wall of one side of the conical block of the insertion rod, an annular clamping groove is formed through an inner wall of one side of the winding disc, clamping holes are distributed on an inner wall of one side of the annular clamping groove, shaft holes are formed through outer walls of both sides of the mounting groove of the guide shaft, a shaft rod is inserted into the shaft holes, a conical ring is fixed on an outer wall of one side of the conical block in a sleeved manner, and a mounting frame is fixed on an outer wall of one side of an end portion of the mounting box, the inside of mounting bracket has the upset strip through the rotation axis connection, the both ends of upset strip are located the one side of side opening and shaft lever tip respectively.

As a preferred embodiment of the present invention, the mounting plate has mounting screw holes distributed on the outer walls of the four corners of the top of the mounting plate, the mounting box has positioning columns fixed on the outer walls on the two sides of the through hole, and the mounting plate has positioning holes through the outer walls on the two sides of the middle part of the mounting plate.

As a preferred embodiment of the invention, a through groove is penetratingly formed on the outer wall of one side of the lantern ring, and a hook is rotatably mounted on the inner wall of one end of the through groove through a connecting shaft.

In a preferred embodiment of the present invention, the first motor and the second motor are both a stepping forward and backward rotation motor.

In a preferred embodiment of the present invention, bearings are installed at the rotational joints of the guide shaft and the screw and the mounting box.

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

1. the curtain driving component is arranged, so that the curtain cloth can be driven to unfold and fold; the intelligent control in the later period is facilitated.

2. Through the setting of (window) curtain roll-up subassembly, make the guide shaft can carry out vertical roll-up to the casement that expandes, accomodate the mounting box with the casement roll-up in, play the effect of the dustproof protection of casement under the idle state, make whole (window) curtain have the multidirectional ability of adjusting the expansion, do benefit to the use under the multi-scene.

3. Through the setting of hoist and mount height-adjusting subassembly, can hoist the regulation of mounting box height, can control its decline after (window) curtain actuating mechanism installs, the worker need not climb and just can carry out (window) curtain actuating mechanism's maintenance cleanness, can be convenient carry out the dismantlement of casement and change.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a three-dimensional cutting structure diagram of a curtain unfolding state of an intelligent curtain driving mechanism provided by the invention;

FIG. 2 is a three-dimensional sectional structure view of the curtain side-retracted state of the intelligent curtain driving mechanism provided by the present invention;

FIG. 3 is an external perspective view of an intelligent curtain driving mechanism according to the present invention;

FIG. 4 is a front sectional view of a guide shaft of the intelligent curtain driving mechanism according to the present invention;

fig. 5 is an enlarged structural view of a region a in the intelligent curtain driving mechanism diagram 1 according to the present invention;

fig. 6 is an enlarged structural view of a region B in the intelligent curtain driving mechanism diagram 1 according to the present invention;

FIG. 7 is an enlarged view of a region C in the diagram 3 of the intelligent curtain driving machine according to the present invention;

FIG. 8 is an enlarged view of the structure of the area D in FIG. 4 of the intelligent curtain driving mechanism according to the present invention;

in the figure: 1. mounting a box; 2. a guide shaft; 3. a collar; 4. hooking; 5. a curtain drive assembly; 6. a curtain furling assembly; 7. hoisting the height adjusting assembly; 8. a through groove; 9. a connecting shaft; 501. a screw; 502. a first motor; 503. a moving bar; 504. a transmission screw hole; 505. fixing the rod; 506. a guide wheel; 507. an annular guide groove; 601. clamping teeth; 602. an annular gullet; 603. a second motor; 701. coiling a disc; 702. hoisting a rope; 703. a through hole; 704. mounting a plate; 7041. mounting a screw hole; 7042. a positioning column; 7043. positioning holes; 705. a linkage locking unit; 7051. a push rod; 7052. a side hole; 7053. mounting grooves; 7054. a jack; 7055. inserting a rod; 7056. a conical block; 7057. a spring; 7058. an annular neck; 7059. a clamping hole; 70510. a shaft hole; 70511. a shaft lever; 70512. a conical ring; 70513. a mounting frame; 70514. a rotating shaft; 70515. and (6) turning over the strip.

Detailed Description

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

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

Referring to fig. 1 to 8, the present invention provides a technical solution: the utility model provides an intelligence (window) curtain actuating mechanism, includes mounting box 1, rotates on the both sides inner wall of mounting box 1 and installs guide shaft 2, and the cover that distributes on the outer wall of guide shaft 2 is equipped with the lantern ring 3, rotates on the bottom outer wall of lantern ring 3 and installs couple 4, and mounting box 1 is provided with (window) curtain drive assembly 5 on being located the inner wall of guide shaft 2 top, and the top of guide shaft 2 is provided with (window) curtain roll-up subassembly 6, and the top that mounting box 1 is located guide shaft 2 is provided with hoist and mount height adjusting part 7.

In the invention, the curtain cloth is hung on the lantern ring 3 through the hook 4, the lantern ring 3 moves on the guide shaft 2 to realize the unfolding of the curtain cloth, and the curtain driving component 5 is arranged to realize the driving unfolding and folding of the curtain cloth; the curtain winding component 6 is arranged, so that the guide shaft 2 can be vertically wound for curtain; through the setting of hoist and mount height-adjusting subassembly 7, can carry out the regulation of mounting box 1 height after the installation of (window) curtain actuating mechanism, when later stage (window) curtain actuating mechanism maintains cleanly, also made things convenient for the change of casement.

In an alternative embodiment, as shown in fig. 1, fig. 2 and fig. 5, the curtain driving assembly 5 includes a screw 501 rotatably installed inside the mounting box 1, a first motor 502 is installed on an outer wall of one side of the mounting box 1, one end of an output shaft of the first motor 502 is fixedly connected with one end of the screw 501, a moving bar 503 is disposed above the screw 501, a transmission screw hole 504 is formed on an outer wall of a middle portion of the moving bar 503 in a penetrating manner, the screw 501 is screwed with the transmission screw hole 504, a fixing rod 505 is connected to an outer wall of a bottom end side of the moving bar 503, an end portion of the fixing rod 505 is rotatably installed with a guide wheel 506, an annular guide groove 507 is formed on an outer wall of the collar 3 of one side, and the guide wheel 506 is clamped inside the annular guide groove 507.

It should be noted that, the screw 501 is driven to rotate by the first motor 502, the moving bar 503 moves transversely along the screw 501 under the matching transmission of the screw 501 and the transmission screw 504, and the moving bar 503 moves to drive the lantern ring 3 on one side to move on the guide shaft 2, so as to realize the driving of unfolding and folding the curtain cloth; the annular guide groove 507 and the guide wheel 506 are matched, so that the fixed rod 505 does not influence the rotation of the lantern ring 3 around the guide shaft 2 in the moving process of the driving lantern ring 3, and a foundation is provided for the later-stage rolling-up of the curtain.

In an alternative embodiment, as shown in fig. 1, 2 and 6, the curtain furling assembly 6 includes latch 601 distributed on the outer wall of the guide shaft 2, an annular tooth groove 602 is provided on the inner wall of one side of the collar 3, a second motor 603 is fixed on the outer wall of one side of the mounting box 1, and one end of the output shaft of the second motor 603 is connected with one end of the guide shaft 2.

It should be noted that, as shown in fig. 1 when the curtain is driven to be unfolded, at this time, the latch 601 on the guide shaft 2 is inserted into the annular tooth groove 602 in the lantern ring 3, and then the second motor 603 is controlled to operate to drive the guide shaft 2 to rotate, and also the lantern ring 3 is driven to rotate, and the lantern ring 3 rotates to vertically roll up the unfolded curtain cloth, and the curtain cloth is rolled up and stored in the mounting box 1, so as to achieve the dustproof protection in the idle state, so that the whole curtain has the capability of multidirectional adjustment and unfolding, and is beneficial to use in multiple scenes.

In an alternative embodiment, as shown in fig. 1, fig. 2 and fig. 3, the hoisting height adjusting assembly 7 includes a take-up disc 701 sleeved on both ends of the guide shaft 2, a hoisting rope 702 is fixedly wound on an outer wall of the take-up disc 701, through holes 703 are formed on outer walls of both ends of the top of the mounting box 1, one end of the hoisting rope 702 penetrates through the through holes 703, a mounting plate 704 is connected to the outside of the through holes 703, and a linkage locking unit 705 is correspondingly disposed on inner walls of the take-up disc 701 and the guide shaft 2.

It should be noted that, the mounting box 1 structure of the curtain driving mechanism is installed on the roof by hoisting ropes 702 and mounting plates 704, so as to realize the installation of the curtain driving mechanism, when the height of the mounting box 1 needs to be adjusted after the installation, firstly, the curtain is driven to a curtain side folding state as shown in fig. 2, at this time, the linkage locking unit 705 locks the winding disc 701 and the guide shaft 2, at this time, the latch 601 on the guide shaft 2 is not inserted into the annular tooth groove 602 in the lantern ring 3, the guide shaft 2 is driven to rotate, the lantern ring 3 is not driven to rotate, but the coiling disc 701 is driven to rotate, the coiling disc 701 coils or uncoils the hoisting rope 702, so that the height of the hoisting mounting box 1 is adjusted, the curtain driving mechanism can be controlled to descend after being installed, workers can maintain and clean the curtain driving mechanism without climbing, and the curtain cloth can be conveniently detached and replaced.

In an alternative embodiment, as shown in fig. 1, 3, 4, 7 and 8, the linkage locking unit 705 includes a push rod 7051 fixed on the outer wall of the top end of the moving bar 503, a side hole 7052 is formed on the outer wall of the top of the mounting box 1, mounting grooves 7053 are formed on the inner walls of both ends of the guide shaft 2, a plug 7054 is formed on the outer wall of the guide shaft 2 on the side of the mounting groove 7053, an insertion rod 7055 is inserted into the plug 7054, a tapered block 7056 is connected to the outer wall of the insertion rod 7055 on the inner end of the mounting groove 7053, a spring 7057 is sleeved on the outer wall of the insertion rod 7055 on the side of the tapered block 7056, an annular slot 7058 is formed on the inner wall of the winding disc 701 side, locking holes 7059 are formed on the inner wall of the annular slot 7058 side, shaft holes 70510 are formed on the outer walls of the guide shaft 2 on both sides of the mounting groove 7053, a shaft rod 70511 is sleeved on the inner wall of the shaft 70511 on the outer wall of the tapered block 7056, and a shaft rod 70512 is fixed with a shaft rod 70512, the mounting box 1 is fixed with mounting bracket 70513 on the outer wall of tip one side, and the inside of mounting bracket 70513 is connected with upset strip 70515 through axis of rotation 70514, and the both ends of upset strip 70515 are located the one side of side port 7052 and axostylus axostyle 70511 tip respectively.

It should be noted that, as shown in fig. 2, when the curtain is driven to the curtain side folding state, the moving bar 503 moves to drive the push rod 7051 to penetrate through the side hole 7052, the push rod 7051 pushes the turning bar 70515, the turning bar 70515 turns over under the action of the connection of the rotating shaft 70514, the end of the turning bar 70515 pushes the shaft rod 70511, the shaft rod 70511 moves in the shaft hole 70510, so that the cone ring 70512 moves to push the cone block 7056, the insertion rod 7055 is pushed out from the insertion hole 7054 under the cooperation of the inclined surface, the end of the insertion rod 7055 is engaged with the engagement hole 7059 on one side of the annular engagement groove 7058, the closing of the winding disc 701 and the guide shaft 2 is realized, the guide shaft 2 can drive the winding disc 701 to rotate during the rotation process, and the structure provides an interlocking basis for the height adjustment of the curtain driving mechanism.

In an alternative embodiment, as shown in fig. 1 and 3, mounting screw holes 7041 are distributed on the outer walls of the four corners of the top of the mounting plate 704, positioning posts 7042 are fixed on the outer walls of the mounting box 1 at the two sides of the through hole 703, and positioning holes 7043 are formed through the outer walls at the two sides of the middle of the mounting plate 704.

It should be noted that, the installation screw 7041 on the installation plate 704 is used for being connected with a bolt on a roof to hoist and install the curtain driving mechanism, the winding disc 701 tightens the hoisting rope 702 after installation, and the positioning column 7042 on the installation box 1 is inserted into the positioning hole 7043 on the installation plate 704, so that the problem that the curtain driving mechanism hoisted by the hoisting rope 702 is easy to shake is solved.

In an alternative embodiment, as shown in fig. 1 and 6, a through groove 8 is formed through an outer wall of one side of the collar 3, and the hook 4 is rotatably mounted on an inner wall of one end of the through groove 8 through a connecting shaft 9.

It should be noted that, in the rotating process of the lantern ring 3, the hook 4 can be turned over under the action of the connecting shaft 9 and is accommodated in the through groove 8, so that the lantern ring 3 can be used for vertically furling the window curtain.

In an alternative embodiment, as shown in fig. 1, the first motor 502 and the second motor 603 are both a step forward and reverse motor.

It should be noted that the first motor 502 and the second motor 603 have a step rotation self-locking capability, and the motors cannot rotate randomly after rotating, so that the curtain can be fixed after being unfolded or furled and driven.

In an alternative embodiment, as shown in fig. 1 and 2, bearings are mounted at the rotating connection positions of the guide shaft 2 and the screw 501 and the mounting box 1.

It should be noted that the bearings are arranged to make the rotation of the guide shaft 2 and the screw 501 smoother.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an intelligence (window) curtain actuating mechanism, includes mounting box (1), its characterized in that, rotate on the both sides inner wall of mounting box (1) and install guide shaft (2), it is equipped with lantern ring (3) to distribute the cover on the outer wall of guide shaft (2), rotate on the bottom outer wall of the lantern ring (3) and install couple (4), mounting box (1) is located and is provided with (window) curtain drive assembly (5) on the inner wall of guide shaft (2) top, the top of guide shaft (2) is provided with (window) curtain roll-up subassembly (6), the top that mounting box (1) is located guide shaft (2) is provided with hoist and mount altitude mixture control subassembly (7).

2. The intelligent curtain drive mechanism of claim 1, wherein: curtain drive assembly (5) are including rotating screw rod (501) of installing in mounting box (1) inside, install first motor (502) on the one side outer wall of mounting box (1), the one end fixed connection of output shaft one end and screw rod (501) of first motor (502), the top of screw rod (501) is provided with removes strip (503), it has seted up transmission screw (504) to link up on the middle part outer wall of removing strip (503), screw rod (501) are screwed with transmission screw (504) and are connected, be connected with dead lever (505) on the outer wall of removal strip (503) bottom one side, guide pulley (506) are installed in the tip rotation of dead lever (505), and seted up annular guide slot (507) on the outer wall of one side lantern ring (3), guide pulley (506) clamp in the inside of annular guide slot (507).

3. The intelligent curtain drive mechanism of claim 1, wherein: (window) curtain roll-up subassembly (6) are including distributing latch (601) that sets up on guide shaft (2) outer wall, be provided with annular tooth's socket (602) on the one side inner wall of lantern ring (3), be fixed with second motor (603) on the outer wall of mounting box (1) one side, the output shaft one end of second motor (603) is connected with the one end of guide shaft (2).

4. The intelligent curtain drive mechanism of claim 1, wherein: hoist and mount altitude mixture control subassembly (7) are including rolling up dish (701) of suit at guide shaft (2) both ends, it has hoist and mount rope (702) to fix the winding on the outer wall of rolling up dish (701), link up on the top both ends outer wall of mounting box (1) and seted up perforating hole (703), the external connection that the one end of hoist and mount rope (702) runs through in perforating hole (703) has mounting panel (704), it is provided with linkage locking unit (705) to correspond on the inner wall of rolling up dish (701) and guide shaft (2).

5. The intelligent curtain drive mechanism of claim 4, wherein: the linkage locking unit (705) comprises a push rod (7051) fixed on the outer wall of one side of the top end of the movable strip (503), a side hole (7052) is formed in the outer wall of the top of the mounting box (1), mounting grooves (7053) are formed in the inner walls of the two ends of the guide shaft (2), a jack (7054) is formed in the outer wall of one side of the mounting groove (7053) in a penetrating mode, an insertion rod (7055) is inserted into the jack (7054), a conical block (7056) is connected to the outer wall of one end, located inside the mounting groove (7053), of the insertion rod (7055), a spring (7057) is sleeved on the outer wall of one side of the conical block (7056), an annular clamping groove (7058) is formed in the inner wall of one side of the winding disc (701), clamping holes (7059) are formed in the inner wall of one side of the annular clamping groove (7058) in a distributing mode, a shaft hole (70510) is formed in the outer wall, of the two sides, of the guide shaft (2), and a shaft hole (7053) is formed in a penetrating mode, and the inside cartridge in shaft hole (70510) has axostylus axostyle (70511), axostylus axostyle (70511) is located the suit on the outer wall of awl piece (7056) one side and is fixed with awl ring (70512), be fixed with mounting bracket (70513) on the outer wall of mounting box (1) tip one side, the inside of mounting bracket (70513) is connected with upset strip (70515) through axis of rotation (70514), the both ends of upset strip (70515) are located the one side of side hole (7052) and axostylus axostyle (70511) tip respectively.

6. The intelligent curtain drive mechanism of claim 4, wherein: the mounting box is characterized in that mounting screw holes (7041) are distributed in the outer walls of four corners of the top of the mounting plate (704), positioning columns (7042) are fixed on the outer walls of two sides of the through hole (703) of the mounting box (1), and positioning holes (7043) are formed in the outer walls of two sides of the middle of the mounting plate (704) in a penetrating mode.

7. The intelligent curtain drive mechanism of claim 1, wherein: link up on the one side outer wall of the lantern ring (3) and seted up logical groove (8), rotate through connecting axle (9) on the inner wall that leads to groove (8) one end and install couple (4).

8. The intelligent curtain driving mechanism as claimed in claims 2 and 3, wherein: the first motor (502) and the second motor (603) are both stepping forward and reverse rotating motors.

9. The intelligent curtain drive mechanism of claim 2, wherein: and bearings are arranged at the rotating connection positions of the guide shaft (2), the screw (501) and the mounting box (1).