CN219365906U - Hanging wheel assembly and electric curtain - Google Patents

Abstract

The application discloses a hanging wheel assembly and an electric curtain, wherein the hanging wheel assembly is used for the electric curtain and comprises a fixing frame, hanging wheels, a rotation control sleeve and a connecting sheet, and the fixing frame is arranged in a guide rail of the electric curtain; the fixing frame is provided with a rotary control sleeve mounting groove and a hanging wheel mounting groove; the hanging wheel is arranged in a hanging wheel mounting groove of the fixing frame and is used for hanging curtain pages of the electric curtain and driving the curtain pages to rotate; the rotary control sleeve is arranged in the rotary control sleeve mounting groove, is connected with the dimming shaft of the electric curtain and controls the hanging wheel to rotate on the horizontal plane; the connecting sheet is arranged in the guide rail, one end of the connecting sheet is fixed on the fixing frame of the hanging wheel assembly, and the other end of the connecting sheet is movably and fixedly connected with the connecting sheet in the adjacent hanging wheel assembly; wherein the connecting sheet is arranged perpendicular to the rotation plane of the hanging wheel; the utility model has the advantages of through above design to make more smooth and easy between the hanging wheel subassembly when electric window curtain opens or closes.

Description

Hanging wheel assembly and electric curtain

The present application claims priority from the chinese patent office filed at 2021, 09, 08, application number CN2021221685292, filed under the name "a motorized window treatment", the entire contents of which are incorporated herein by reference.

Technical Field

The application relates to the technical field of intelligent home, in particular to a hanging wheel assembly and an electric curtain.

Background

Along with the continuous improvement of the technological level, intelligent households are increasingly appeared in the lives of people, are favored by most modern people, and the electric curtain is taken as one of the representatives of the intelligent households, so that great convenience is brought to the lives of people.

The vertical blind and the vertical flexible curtain are both one type of electric curtain. The vertical blind curtain and the vertical flexible curtain can be adjusted between full shading and half shading, and the vertical flexible curtain has attractive appearance, and the shading characteristics of the vertical blind curtain and the vertical flexible curtain are deeply favored by people and are widely applied. The electric curtain generally adopts the structure that a plurality of hanging wheels are arranged in a straight rail, the hanging wheels are connected in series at equal intervals through a plurality of connecting pieces in parallel, the driving device drives the optical axis to rotate and then drives the hanging wheels to rotate, so that the curtain pages are driven to rotate for dimming, and the hanging wheels and the connecting pieces are matched with the driving device to pull the hanging wheels to move so as to realize the curtain pages to open and close for dimming.

In the hanging wheel assembly of the electric curtain adopted in the market, the connecting pieces of the hanging wheel assembly are generally horizontally arranged, for example, patent documents with publication numbers of CN2249817Y and CN 208251997U. Because the connection piece sets up when the curtain page or leaf is opened in the hoist wheel subassembly slip along the guide rail level, the connection piece of a plurality of hoist wheel subassemblies can overlap together in the horizontal direction, because the effect of gravity this moment, the connection piece that overlaps together can be to the direction whereabouts towards ground, like this when hoist wheel subassembly slides, other structures in adjacent hoist wheel subassembly or the guide rail are blocked to the connection piece of whereabouts easily, block the open and shut route of adjacent hoist wheel subassembly, thereby the curtain page or leaf of messenger's electric window curtain can block when opening or closing, perhaps two adjacent hoist wheel subassemblies can not separate the condition such as take place smoothly, therefore, the problem that exists above needs to be solved.

Disclosure of Invention

The purpose of the application is to provide a hanging wheel assembly and a motorized window treatment, so that the hanging wheel assembly is smoother when the motorized window treatment is opened or closed.

The application discloses a hanging wheel assembly, which is used for an electric curtain, wherein the electric curtain comprises a curtain page, a guide rail, a dimming shaft and a plurality of hanging wheel assemblies, the hanging wheel assemblies penetrate through the dimming shaft and are arranged on the guide rail in parallel, and the hanging wheel assemblies slide on the guide rail so as to open or close the curtain page of the electric curtain; the dimming shaft rotates to drive a plurality of hanging wheel assemblies to rotate, so that curtain pages of the electric curtain are driven to rotate for dimming; the hanging wheel assembly comprises a fixing frame, hanging wheels, a rotation control sleeve and a connecting sheet, and the fixing frame is arranged in a guide rail of the electric curtain; the fixing frame is provided with a rotary control sleeve mounting groove and a hanging wheel mounting groove; the hanging wheel is arranged in a hanging wheel mounting groove of the fixing frame and is used for hanging curtain pages of the electric curtain and driving the curtain pages to rotate; the rotation control sleeve is arranged in the rotation control sleeve mounting groove, is connected with the dimming shaft of the electric curtain and controls the hanging wheel to rotate on the horizontal plane; the connecting piece is arranged in the guide rail, one end of the connecting piece is fixed on the fixing frame of the hanging wheel assembly, and the other end of the connecting piece is used for being movably and fixedly connected with the connecting piece in the adjacent hanging wheel assembly; wherein, the connection piece with the rotation plane perpendicular arrangement of hanging wheel.

Optionally, the connecting piece is strip, two ends of the connecting piece are respectively divided into a fixing part and a connecting part, the fixing frame comprises a fixing structure, the fixing structure is arranged on one side of the fixing frame facing the connecting piece, and the connecting piece is fixed to the fixing structure of the fixing frame of the current hanging wheel assembly through the fixing part; the fixing frame further comprises a first supporting leg and a second supporting leg which are arranged on two sides of the fixing structure, the first supporting leg is arranged in parallel with the second supporting leg relatively, the first supporting leg, the second supporting leg and the fixing structure are arranged vertically to the fixing structure, and a cavity is formed by the first supporting leg, the second supporting leg and the inner wall of the guide rail of the electric curtain and is used for accommodating the overlapped connecting pieces of the hanging wheel assemblies.

Optionally, the surface of the first leg and/or the second leg facing the connecting piece is provided with an arc-shaped guiding surface along the moving direction of the connecting piece of the hanging wheel assembly.

Optionally, the fixing frame further comprises a first limiting block and a second limiting block, the first limiting block is arranged on the first supporting leg, the second limiting block is arranged on the second supporting leg, and the first limiting block and the second limiting block are oppositely arranged; the length of the first limiting block is smaller than that of the first supporting leg along the moving direction of the connecting sheet; the length of the second limiting block is smaller than that of the second supporting leg; the distance between the first limiting block and the fixed structure is equal to the thickness of the fixed part of the connecting sheet; the fixed part of the connecting sheet is arranged between the first limiting block and the second limiting block of the fixing frame and the fixing structure, and the fixed part of the connecting sheet is limited by the first limiting block and the second limiting block.

Optionally, the first stopper with the second stopper is bump structure, first stopper with the second stopper orientation the surface of connection piece is the cambered surface.

Optionally, the inside wall of the rotary control sleeve is of a hexagonal structure, and the section of the light adjusting shaft of the electric curtain is also of a hexagon and is connected with the inside wall of the rotary control sleeve in a matched manner.

Optionally, the hanging wheel comprises a transmission assembly and a curtain rotating assembly, the curtain rotating assembly is connected with the transmission assembly, the transmission assembly is installed in a hanging wheel installation groove of the fixing frame, and the curtain rotating assembly is arranged outside the hanging wheel installation groove; the transmission assembly comprises a fixed column, and the diameter of the joint between the fixed column and the curtain rotating assembly is smaller than that of one end of the curtain rotating assembly, which faces the fixed column.

Optionally, the guide rail is an arc-shaped or straight rail.

The application also discloses an electric curtain which comprises a curtain sheet, a driving device, a guide rail, a light adjusting shaft and a plurality of hanging wheel assemblies, wherein the hanging wheel assemblies penetrate through the light adjusting shaft and are arranged on the guide rail in parallel, the curtain sheet is hung below the hanging wheel assemblies, the driving device is connected with the light adjusting shaft and controls the light adjusting shaft to rotate so as to drive the hanging wheel assemblies to rotate, and then the curtain sheet is driven to rotate; the hanging wheel component comprises a connecting sheet which is used for connecting a plurality of hanging wheel components; after the electric curtain is installed, the rotation planes of the hanging wheel assemblies are horizontal planes, and the connecting sheets are vertically arranged.

Optionally, the tuning axis is an elastic material.

Optionally, the hanging wheel assembly comprises a fixing frame and hanging wheels, and the fixing frame is used for fixing the hanging wheels and the connecting sheets; the fixing frame comprises a fixing structure, a first supporting leg and a second supporting leg, wherein the first supporting leg and the second supporting leg are arranged on two sides of the fixing structure, are relatively arranged in parallel, are perpendicular to the fixing structure, form a cavity with the inner wall of a guide rail of the electric curtain, and are used for accommodating overlapped connecting pieces of the hanging wheel assemblies, wherein the connecting piece of the current hanging wheel assembly is closest to the fixing structure, and the connecting piece of the hanging wheel assembly which is farther from the current hanging wheel assembly is closer to the inner wall of the guide rail; the end parts of the first support leg and the second support leg far away from the fixing structure are respectively in clearance fit with the inner wall of the guide rail, and the clearance between the first support leg and the inner wall of the guide rail and the clearance between the second support leg and the inner wall of the guide rail are 0.1-0.4CM; the fixing frame further comprises a baffle plate, the baffle plate is arranged at the other end of the fixing frame, which is away from the first support leg or the second support leg, the baffle plate is in clearance fit with the guide rail of the electric curtain, and the clearance between the baffle plate and the inner wall of the guide rail of the electric curtain is 0.1-0.4CM.

According to the electric curtain, the connecting pieces of the hanging wheel assemblies are vertically arranged on the rotating plane of the hanging wheel, so that the connecting pieces of the hanging wheel assemblies are vertically arranged in the guide rail, even though the connecting pieces are overlapped, the connecting pieces of the hanging wheel assemblies are vertical, gravity is dispersed, sagging is not easy to occur, no matter whether the guide rail is a straight rail or a curved rail, the situation that the hanging wheel assemblies are clamped can be avoided, in addition, when the guide rail is the curved rail, the connecting pieces are parallel to the guide rail by a wider surface and are perpendicular to the guide rail, the connecting pieces deform along the shape of the guide rail when sliding, the connecting pieces are parallel to the extending shape of the guide rail, so that the connecting pieces are easier to deform along with the corresponding radian of the guide rail due to the fact that the shape of the guide rail is matched, the adjacent hanging wheel assemblies are still uniform, and the phenomenon that the connecting pieces are clamped when the connecting pieces are bent can be avoided due to the difference of the radian of the arc guide rail is avoided, so that the curtain pages of the electric curtain are opened and closed more smoothly.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. It is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained from these drawings without inventive faculty for a person skilled in the art. In the drawings:

FIG. 1 is a schematic view of a motorized window treatment according to an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of a hanging wheel assembly mated with a rail provided in an embodiment of the present application;

FIG. 3 is a schematic view of a hoist wheel assembly provided in an embodiment of the present application;

FIG. 4 is an overall schematic of a rotation control sleeve of a hoist wheel assembly provided in an embodiment of the present application;

fig. 5 is an exploded schematic view of a rotation control sleeve of a hoist wheel assembly provided in an embodiment of the present application.

FIG. 6 is a schematic view of a hanging wheel assembly provided in an embodiment of the present application;

FIG. 7 is an isometric view of a connecting tab of a hoist wheel assembly provided in an embodiment of the present application;

FIG. 8 is a schematic front view of a connection tab of a hoist wheel assembly according to an embodiment of the present application

FIG. 9 is a schematic view of a mount for a hanging wheel assembly provided in an embodiment of the present application;

fig. 10 is a schematic view of a fixing structure of a fixing frame according to an embodiment of the present application.

Wherein, 10, electric curtain; 20. a curtain page; 30. a driving device; 40. a guide rail; 50. an optical axis is adjusted; 60. a hanging wheel assembly; 61. a fixing frame; 611. a rotary control sleeve mounting groove; 612. hanging wheel mounting grooves; 613. a fixed structure; 614. fitting the protrusion; 615. a clamping groove; 616. a first leg; 617. a second leg; 618. a first limiting block; 619. a second limiting block; 62. hanging wheels; 621. a transmission assembly; 622. fixing the column; 623. an impeller section; 624. a hollow groove; 625. a curtain page rotating assembly; 63. rotating the control sleeve; 631. a rotating sleeve; 632. a rotating shaft fixing sleeve; 633. a scroll-like projection; 634. a protrusion; 635. a bump; 636. a clamping groove; 64. a connecting sheet; 641. a fixing part; 642. a fixing piece; 643. a fitting groove; 644. a fixing protrusion; 645. a fixed block; 646. a connection part; 647. a sector; 648. a hook-shaped portion; 65. a baffle; 66. a cavity; 67. and (5) an arc-shaped guide surface.

Detailed Description

It should be understood that the terminology, specific structural and functional details disclosed herein are merely representative for purposes of describing particular embodiments, but that the application may be embodied in many alternate forms and should not be construed as limited to only the embodiments set forth herein.

In the description of the present application, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating relative importance or implicitly indicating the number of technical features indicated. Thus, unless otherwise indicated, features defining "first", "second" may include one or more such features either explicitly or implicitly; the meaning of "plurality" is two or more. The terms "comprises," "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that one or more other features, integers, steps, operations, elements, components, and/or groups thereof may be present or added.

In addition, terms of the azimuth or positional relationship indicated by "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are described based on the azimuth or relative positional relationship shown in the drawings, are merely for convenience of description of the present application, and do not indicate that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application.

Furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

The present application is described in detail below with reference to the attached drawings and alternative embodiments.

Fig. 1 is a schematic view of an electric window curtain provided in an embodiment of the present application, fig. 2 is a schematic view of a cross section of a hanging wheel assembly provided in an embodiment of the present application, which is matched with a guide rail, fig. 3 is a schematic view of the hanging wheel assembly provided in an embodiment of the present application, arrows in fig. 2 and fig. 3 show a rotation plane direction of a hanging wheel, and, in combination with fig. 1 and fig. 2, the electric window curtain 10 includes a curtain page 20, a driving device 30, a guide rail 40, a dimming shaft 50 and a plurality of hanging wheel assemblies 60, wherein the plurality of hanging wheel assemblies pass through the dimming shaft 50 and are arranged on the guide rail in parallel, and the driving device is connected with the dimming shaft 50, and controls the dimming shaft 50 to rotate so as to drive a plurality of hanging wheel assemblies to rotate; the hanging wheel assembly 60 comprises a fixing frame 61, hanging wheels 62, a rotation control sleeve 63 and a connecting sheet 64, wherein the fixing frame 61 is arranged in the guide rail 40; the fixed frame 61 is provided with a rotation control sleeve mounting groove 611 and a hanging wheel mounting groove 612; the hanging wheel is arranged in the hanging wheel mounting groove 612 and is used for hanging the curtain sheet 20 and driving the curtain sheet 20 to rotate; the rotation control sleeve 63 is disposed in the rotation control sleeve mounting groove 611, connected to the driving device 30, and controls the hanging wheel 62 to rotate on a horizontal plane; the connecting piece 64 is disposed in the guide rail 40, one end of the connecting piece 64 is fixed on the fixing frame 61, the other end is fixedly connected with the connecting piece 64 in the adjacent hanging wheel assembly 60, and the connecting piece 64 is disposed perpendicular to the rotation plane of the hanging wheel 62, that is, the connecting piece 64 is disposed vertically.

According to the curtain opening and closing device, the connecting pieces 64 of the hanging wheel assemblies 60 are vertically arranged on the rotating plane of the hanging wheels 62, so that the connecting pieces 64 of the hanging wheel assemblies 60 are vertically arranged in the guide rail 40, even though the connecting pieces 64 of the hanging wheel assemblies 60 are overlapped, the connecting pieces 64 are vertical, gravity is dispersed, sagging is not easy to occur, no matter the guide rail 40 is a straight rail or a curved rail, clamping between the hanging wheel assemblies 60 can be avoided, in addition, when the guide rail 40 is a curved rail, as the connecting pieces 64 are parallel to the guide rail 40 by a wider surface and are perpendicular to the guide rail 40 by a thin surface, the connecting pieces are easy to bend, corresponding deformation of the connecting pieces 64 can be relatively easy to make along the radian of the arc-shaped guide rail 40, the arrangement of the adjacent hanging wheel assemblies 60 is even at the same interval, clamping phenomenon occurs when the connecting pieces 64 are bent due to different radians of the arc-shaped guide rail 40, and the curtain 20 of the electric curtain 10 is smoother to open and close.

The dimming shaft 50 is made of elastic materials, when the guide rail is a bent rail, the dimming shaft 50 can also connect the hanging wheel assemblies in the arc-shaped guide rail in series along the direction of the guide rail, the torsion of the dimming shaft 50 made of elastic materials is larger, and the driving force of the driving device can be converted into larger torsion force when the window curtain is dimmed after being matched with the rotation control sleeve, so that the hanging wheel can be driven to dim the window curtain better. Of course, the guide rail 40 may be a straight rail.

Further, fig. 4 and fig. 5 are schematic diagrams of the rotation control sleeve of the hanging wheel assembly in the whole state and the explosion state according to the present embodiment, and as shown in fig. 4 and fig. 5, the rotation control sleeve 63 includes a rotation sleeve 631 and a rotation shaft fixing sleeve 632, the rotation sleeve 631 and the rotation shaft fixing sleeve 632 are both hollow columnar structures, and one end of the rotation sleeve 631 is sleeved on one end of the rotation shaft fixing sleeve 632; the inner side wall of the rotating shaft fixing sleeve 632 is of a hexagonal structure and is connected with the light adjusting shaft 50 in a matching way. The rotation control sleeve 63 is not of an integral structure, so that the driving device 30 can drive the rotation shaft fixing sleeve 632 to rotate after the light adjusting shaft is connected with the rotation shaft fixing sleeve 632, and then the rotation sleeve 631 is driven to rotate by the rotation shaft fixing sleeve 632 to be meshed with the impeller portion 623 of the transmission assembly 621, thereby realizing the transmission of the hanging wheel 62, and when the highest rotation angle is reached, even if the light adjusting shaft 50 is still moving, the rotation sleeve 631 is not directly connected with the light adjusting shaft, and thus the rotation force can be buffered, and the hanging wheel 62 does not generate rotation motion any more.

As can be seen from fig. 2 and 5, the inner side wall of the shaft fixing sleeve 632 has a hexagonal structure, and the cross section of the tuning axis 50 is also hexagonal, and is connected to the inner side wall of the shaft fixing sleeve in a matching manner. Like this, the cooperation of optical axis 50 and rotatory fixed cover all adopts the hexagon structure to cooperate the joint, can be more fixed through the block between each angle of hexagon, can not skid when rotating, and the optical axis 50 adopts elastic material in addition, and the torsion of both cooperation rotations is stronger like this to the transmission effect is better, reduces the wearing and tearing of the fixed cover 632 rotation of pivot to the inner wall of rotatory cover 631 simultaneously.

Fig. 6 is a schematic view of a hanging wheel of the hanging wheel assembly according to the embodiment of the present application, as shown in fig. 6, the hanging wheel 62 includes a transmission assembly 621 and a curtain rotating assembly 625, the curtain rotating assembly 625 is connected with the transmission assembly 621, the transmission assembly 621 is installed in the hanging wheel installation groove 612, and the curtain rotating assembly 625 is disposed outside the hanging wheel installation groove 612; the transmission assembly 621 comprises a fixed column 622 and an impeller portion 623, the impeller portion 623 is arranged around the fixed column 622, a vortex-shaped protrusion 633 is arranged on the outer side wall of the rotation control sleeve 63, the vortex-shaped protrusion 633 is meshed with the impeller portion 623, the dimming shaft 50 in the electric curtain 10 is in transmission connection with the rotation control sleeve 63, the rotation control sleeve 63 is meshed with the impeller portion 623 in a rotating mode, the curtain rotating assembly 625 is driven to rotate, and the rotation angle of the curtain 20 is adjusted. The driving component 621 can drive the curtain rotating component 625 to move, and the impeller portion 623 is meshed with the vortex-shaped protrusion 633 to form a worm and wheel speed reducing structure, so that a larger longitudinal rotating force can be obtained by using a smaller axial rotating force, a better driving effect can be realized, and the driving force can be saved.

Moreover, the transmission assembly 621 further includes a hollow groove 624, and the hollow groove 624 is disposed on the side of the fixed post 622 away from the rotation control sleeve 63 and corresponds to the rotation control sleeve 63. The hollow groove 624 can be used for controlling the rotation stroke of the hanging wheel 62, so that the total rotation stroke of the hanging wheel 62 is 180 degrees, the rotation angle of the curtain pages 20 is controlled, and different dimming angles can be adjusted according to personal preference.

Wherein, as shown in fig. 6, the diameter of the connection between the fixed post 622 and the shutter rotating assembly 625 is smaller than the diameter of the end of the shutter rotating assembly 625 facing the fixed post 622.

Further, fig. 7 and fig. 8 respectively show schematic diagrams of two views of the connecting piece of the hanging wheel assembly according to the embodiment of the present application, as can be seen from fig. 7 and fig. 8, the connecting piece 64 is in a strip shape, two ends of the connecting piece 64 are respectively divided into a fixing portion 641 and a connecting portion 646, and the fixing portion 641 of one connecting piece 64 is connected with the connecting portion 646 of the other connecting piece 64 in the connecting pieces 64 of two adjacent hanging wheel assemblies; the fixing part 641 includes a fixing piece 642, a fitting groove 643, two fixing protrusions 644, and two L-shaped fixing blocks 645, the fitting groove 643 is disposed on a side surface of the fixing piece 642 to which the connecting piece 64 is attached, the two fixing protrusions 644 and the fitting groove 643 are disposed on the same side of the fixing piece, and the two fixing protrusions 644 are disposed at an end of the fixing piece 642; the two L-shaped fixing blocks 645 are disposed on the side surface of the fixing plate 642 facing away from the engaging groove 643 and are disposed opposite to each other to form an engaging cavity with the surface of the fixing plate 642, a fan-shaped portion 647 is disposed at one end of the connecting portion 646 facing away from the fixing portion 641, hook-shaped portions 648 are disposed at two ends of the fan-shaped portion 647, and the hook-shaped portions 648 are inserted into the engaging cavity of the other connecting plate to be connected in a matching manner.

Wherein, fan-shaped portion 647 extends the form of expanding to both sides along the arc for the tip that connecting portion deviates from fixed part one end, and the both sides end sets up to collude form portion after expanding, because the connected mode of a plurality of connection pieces 64 is the gomphosis chamber on the fixed part 641 of another connection piece 64 is inserted to the one end that a connection piece 64 deviates from fixed part, fan-shaped portion can take place slight and even deformation relatively easily because self shape characteristics in the interlude process, just so need just can pass the gomphosis chamber with the one end that the connection piece deviates from fixed part with less power, collude form portion 648 just in time can block on two fixed blocks 645, be difficult for droing moreover. Wherein the connecting sheet can be set to be uniform in size and length, so that the distance between each hanging wheel assembly after connection is equal, and the whole curtain is more uniform and tidy.

Fig. 9 is a schematic diagram of a fixing frame of a hanging wheel assembly provided in this application, as shown in fig. 9, the fixing frame 61 further includes a fixing structure 613, a first leg 616 and a second leg 617, the fixing structure 613 is disposed opposite to the fixing portion 641 of the connecting piece 64, the first leg 616 and the second leg 617 are disposed parallel to each other and are disposed perpendicular to the fixing structure 613, the first leg 616 and the second leg 617 and an inner wall of a guide rail of the electric curtain form a cavity for accommodating overlapping connecting pieces of the hanging wheel assemblies, enough accommodating spaces are provided for the connecting pieces of the hanging wheel assemblies, and a clamping shell phenomenon is not easy to occur in the connecting pieces between adjacent hanging wheel assemblies when the hanging wheel assemblies slide.

In combination with fig. 2, the end parts of the first support leg and the second support leg far away from the fixing structure are respectively in clearance fit with the inner wall of the guide rail, so that friction force between the first support leg and the inner wall of the guide rail is reduced, sliding is smooth, and the clearance between the first support leg and the inner wall of the guide rail is 0.1 CM to 0.4CM.

Fig. 10 is a schematic diagram of a fixing structure of a fixing frame provided in this embodiment of the present application, in combination with fig. 1 and fig. 8, a fitting protrusion 614 is provided in the middle of the fixing structure 613, the fixing structure 613 is in a cross structure, four corners of the fixing structure 613 are provided with four locking grooves 615, along the moving direction of the connecting piece, two fixing protrusions 644 of the fixing portion of the connecting piece are connected with two locking grooves 615 of the fixing structure 613 in a locking manner, and the fixing portion of the connecting piece is fixed on the fixing structure, and because the fixing structure also has two locking grooves 615 in another direction, when the connecting piece is connected with the fixing structure, the connecting piece can be assembled according to the habit of assembling direction, without affecting use.

As can be seen from fig. 10, the cross surface of the cross structure of the fixing structure is abutted against the fixing portion 641 of the connecting piece, and the engaging groove 643 is engaged with the engaging protrusion 614, so that the fixing portion 641 is limited and fixed, the fixing portion 641 is not out of position after being engaged with the fixing structure 613, the fixing protrusion 644 is just engaged in the two engaging grooves 643 formed by the cross structure, the front end of the fixing portion 641 is clamped and limited on the fixing structure 613, and the double limiting effect is used in cooperation with the engaging groove 643, so that the whole structure is embedded smoothly. Of course, the fixing portion 641 may have other shapes as long as it is engaged with the fixing portion 641 to achieve a fixing effect.

As can be seen from fig. 9 to 10, the first leg 616 is provided with a first stopper 618, the second leg 617 is provided with a second stopper 619, the first stopper 618 and the second stopper 619 are disposed opposite to each other, a fixing cavity is formed between the fixing structure 613 and the fixing portion 641, the fixing portion 641 is inserted into the fixing cavity, the fitting protrusion 614 is fitted into the fitting groove 643, the fixing protrusion 644 is engaged with the engaging groove 615, and the first stopper 618 and the second stopper 619 abut against the fixing portion 641 to fix the fixing portion 641 to the fixing frame 61. The fitting groove 643 can be fixed with a fitting block on the fixing frame 61, so that the fixing piece 642 is limited after being connected with the fixing frame 61, and no dislocation exists; the fixing protrusion 644 is matched with the fixing structure 613 on the fixing frame 61 to be buckled, the fixing sheet 642 is buckled and limited on the fixing frame 61, and is matched with the embedded groove 643 to be doubly limited, so that the fixing sheet 642 is not easy to fall off; the embedded cavity formed by the two fixing blocks 645 on the fixing piece 642 allows the other connecting piece 64 to be inserted and fixed, so that the connecting pieces 64 are connected in series and uniformly arranged in the guide rail 40.

In addition, along the moving direction of the connecting sheet, the length of the first limiting block is smaller than that of the first supporting leg; the length of the second limiting block is smaller than that of the second supporting leg; the distance between the first limiting block and the fixing structure is equal to the thickness of the fixing portion of the connecting sheet, that is, the first limiting block and the second limiting block are of bump structures, the size is small, but a fixing cavity is formed between the fixing structure 613, so that after the fixing portion 641 of the connecting sheet 64 is inserted into the fixing cavity, one face of the connecting sheet 64 is fixedly connected with the fixing structure 613, the first limiting block 618 and the second limiting block 619 abut against the connecting sheet 64 from the other face, and the fixing of the connecting sheet 64 is firmer in a front-back clamping mode. The surfaces of the first limiting block and the second limiting block, which face the connecting sheet, are cambered surfaces.

As can be seen from fig. 8 and 9, the first leg and the second leg face the surface of the connecting piece in the direction of arrow direction in fig. 9, and the arc-shaped guiding surface 67 is disposed along the direction of movement of the connecting piece 64 of the hanging wheel assembly 60, and the arc-shaped guiding surface 67 is disposed on two sides of the first leg 616 and the second leg 617, respectively. If the curved guide surface 67 is not provided, but is a surface formed by two vertical surfaces and having a guide angle, when the hanging wheel assembly 60 slides, the connecting piece 64 of the hanging wheel assembly 60 moves, the side edge of the connecting piece 64 may collide with the first leg 616 or the second leg 617, the resistance generated by the guide angle is larger, and the side edge of the connecting piece 64 may be blocked by the guide angle to affect sliding, so that the resistance of the connecting piece 64 is reduced and smoother during sliding due to the curved guide surface. Of course, it is also possible that the curved guide surface is provided only on the first leg or on the second leg.

Further, as can be seen in fig. 2, the fixing frame 61 further includes a blocking piece 65, and the blocking piece 65 is disposed at an end of the fixing frame 61 facing away from the first leg 616 or the second leg 617, and the blocking piece 65 is in clearance fit with the guide rail 40 of the motorized window treatment 10. The baffle 65 cooperates with the internal structure of the rail 40 to allow the wheel assembly 60 to move within the rail 40 in a balanced and stable manner in the same horizontal plane along the direction of the rail 40. And, the gap between the baffle plate 65 and the inner wall of the guide rail of the electric curtain is 0.1 CM to 0.4CM, so that the friction force between the baffle plate and the guide rail is reduced, and the hanging wheel assembly slides smoothly.

It should be noted that, the inventive concept of the present application may form a very large number of embodiments, but the application documents have limited space and cannot be listed one by one, so that on the premise of no conflict, the above-described embodiments or technical features may be arbitrarily combined to form new embodiments, and after the embodiments or technical features are combined, the original technical effects will be enhanced.

The foregoing is a further detailed description of the present application in connection with specific alternative embodiments, and it is not intended that the practice of the present application be limited to such descriptions. It should be understood that those skilled in the art to which the present application pertains may make several simple deductions or substitutions without departing from the spirit of the present application, and all such deductions or substitutions should be considered to be within the scope of the present application.

Claims (11)

1. A hanging wheel assembly is used for a motorized window curtain, the motorized window curtain comprises a curtain sheet, a guide rail, a dimming shaft and a plurality of hanging wheel assemblies, the hanging wheel assemblies penetrate through the dimming shaft and are arranged on the guide rail in parallel, and the hanging wheel assemblies slide on the guide rail to open or close the curtain sheet of the motorized window curtain; the dimming shaft rotates to drive a plurality of hanging wheel assemblies to rotate, so that curtain pages of the electric curtain are driven to rotate for dimming; it is characterized in that the method comprises the steps of,

the crane assembly includes:

the fixing frame is arranged in the guide rail of the electric curtain; the fixing frame is provided with a rotary control sleeve mounting groove and a hanging wheel mounting groove;

the hanging wheel is arranged in the hanging wheel mounting groove of the fixing frame and is used for hanging the curtain pages of the electric curtain and driving the curtain pages to rotate;

the rotation control sleeve is arranged in the rotation control sleeve mounting groove, is connected with the dimming shaft of the electric curtain and controls the hanging wheel to rotate on the horizontal plane; and

the connecting piece is arranged in the guide rail, one end of the connecting piece is fixed on the fixing frame of the hanging wheel assembly, and the other end of the connecting piece is used for being movably and fixedly connected with the connecting piece in the adjacent hanging wheel assembly;

wherein, the connection piece with the rotation plane perpendicular arrangement of hanging wheel.

2. The hanging wheel assembly as claimed in claim 1, wherein the connecting piece is in a strip shape, two ends of the connecting piece are respectively divided into a fixing part and a connecting part, the fixing frame comprises a fixing structure, the fixing structure is arranged on one side of the fixing frame facing the connecting piece, and the connecting piece is fixed to the fixing structure of the fixing frame of the hanging wheel assembly at present through the fixing part;

the fixing frame further comprises a first supporting leg and a second supporting leg which are arranged on two sides of the fixing structure, the first supporting leg is arranged in parallel with the second supporting leg relatively, the first supporting leg, the second supporting leg and the fixing structure are arranged vertically to the fixing structure, and a cavity is formed by the first supporting leg, the second supporting leg and the inner wall of the guide rail of the electric curtain and is used for accommodating the overlapped connecting pieces of the hanging wheel assemblies.

3. A hanging wheel assembly as claimed in claim 2, wherein the surface of the first leg and/or the second leg facing the connection piece is provided with an arcuate guide surface in the direction of movement of the connection piece of the hanging wheel assembly.

4. The hanging wheel assembly as recited in claim 2, wherein the mounting bracket further comprises a first stopper and a second stopper, the first stopper being disposed on the first leg, the second stopper being disposed on the second leg, the first stopper being disposed opposite the second stopper;

the length of the first limiting block is smaller than that of the first supporting leg along the moving direction of the connecting sheet; the length of the second limiting block is smaller than that of the second supporting leg; the distance between the first limiting block and the fixed structure is equal to the thickness of the fixed part of the connecting sheet;

the fixed part of the connecting sheet is arranged between the first limiting block and the second limiting block of the fixing frame and the fixing structure, and the fixed part of the connecting sheet is limited by the first limiting block and the second limiting block.

5. The hanging wheel assembly as recited in claim 4, wherein the first stop block and the second stop block are in a bump structure, and the surfaces of the first stop block and the second stop block facing the connecting piece are cambered surfaces.

6. The hanging wheel assembly as claimed in claim 1, wherein the inner side wall of the rotation control sleeve is of a hexagonal structure, and the section of the light adjusting shaft of the electric curtain is also of a hexagonal shape and is connected with the inner side wall of the rotation control sleeve in a matched manner.

7. The hanging wheel assembly as claimed in claim 1, wherein the hanging wheel comprises a transmission assembly and a curtain rotating assembly, the curtain rotating assembly is connected with the transmission assembly, the transmission assembly is installed in a hanging wheel installation groove of the fixing frame, and the curtain rotating assembly is arranged outside the hanging wheel installation groove; the transmission assembly comprises a fixed column, and the diameter of the joint between the fixed column and the curtain rotating assembly is smaller than that of one end of the curtain rotating assembly, which faces the fixed column.

8. The hanging wheel assembly as claimed in claim 1, wherein the guide rail is an arcuate or straight rail.

9. A motorized window treatment, comprising a window treatment, a driving device, a guide rail, a light adjusting shaft, and a plurality of hanging wheel assemblies according to any one of claims 1-8, wherein the hanging wheel assemblies penetrate through the light adjusting shaft and are arranged on the guide rail in parallel, the window treatment is suspended below the hanging wheel assemblies, the driving device is connected with the light adjusting shaft, and controls the light adjusting shaft to rotate so as to drive the hanging wheel assemblies to rotate, and then drive the window treatment to rotate;

the hanging wheel component comprises a connecting sheet which is used for connecting a plurality of hanging wheel components;

after the electric curtain is installed, the rotation planes of the hanging wheel assemblies are horizontal planes, and the connecting sheets are vertically arranged.

10. The motorized window treatment of claim 9, wherein the light regulating axis is an elastomeric material.

11. The motorized window treatment of claim 9, wherein the pulley assembly comprises a mount for securing the pulley and the connection tab and a pulley;

the fixing frame comprises a fixing structure, a first supporting leg and a second supporting leg, wherein the first supporting leg and the second supporting leg are arranged on two sides of the fixing structure, are relatively arranged in parallel, are perpendicular to the fixing structure, form a cavity with the inner wall of a guide rail of the electric curtain, and are used for accommodating overlapped connecting pieces of the hanging wheel assemblies, wherein the connecting piece of the current hanging wheel assembly is closest to the fixing structure, and the connecting piece of the hanging wheel assembly which is farther from the current hanging wheel assembly is closer to the inner wall of the guide rail;

the end parts of the first support leg and the second support leg far away from the fixing structure are respectively in clearance fit with the inner wall of the guide rail, and the clearance between the first support leg and the inner wall of the guide rail and the clearance between the second support leg and the inner wall of the guide rail are 0.1-0.4CM;

the fixing frame further comprises a baffle plate, the baffle plate is arranged at the other end of the fixing frame, which is away from the first support leg or the second support leg, the baffle plate is in clearance fit with the guide rail of the electric curtain, and the clearance between the baffle plate and the inner wall of the guide rail of the electric curtain is 0.1-0.4CM.