CN220275365U - Electric curtain - Google Patents

Abstract

The utility model discloses a motor-driven curtain, which belongs to the field of intelligent furniture and solves the problem of overlarge noise in the running process of the motor-driven curtain.

Description

Electric curtain

[ field of technology ]

The utility model relates to the field of intelligent furniture, in particular to an electric curtain.

[ background Art ]

The curtain is a common ornament and has the functions of shading sun, insulating heat and regulating indoor light, and has various types, such as an opening curtain, a bead rolling curtain, an organ curtain and the like, and is usually manually opened and closed, so that the requirements of people on the standard of household life are continuously improved along with the progress of science and technology, and the electric curtain is introduced. The electric curtain comprises a motor component, a track and a hanging piece for hanging the curtain, wherein the motor can drive the hanging piece to slide on the track so as to automatically control the opening and closing of the curtain. The curtain piece is hung on the hanging piece of the existing electric curtain, and the motor component can also drive the hanging piece to rotate to adjust the angle of the curtain piece, so that the indoor brightness can be adjusted. Typically, the power of the hanger rotation is transmitted through the gear assembly, but the gear assembly can generate noise during operation to affect the user experience.

[ utility model ]

The utility model aims to solve the technical problems of overcoming the defects of the prior art and providing the electric curtain, and solving the problem of overlarge noise in the running process of the electric curtain.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the electric curtain comprises a power assembly, a track and a plurality of hanging pieces which are slidably arranged on the track and are used for hanging curtain pieces, wherein the power assembly comprises a transmission belt and a transmission motor, the transmission belt is connected with the hanging pieces, the transmission motor is used for driving the transmission belt to act, the hanging pieces comprise hanging portions which are used for hanging the curtain pieces and are rotatable, the power assembly further comprises a driving motor and a cross rod which is driven by the driving motor to rotate, a belt wheel is rotatably arranged on the hanging pieces, the belt wheel is in sliding fit with the cross rod and is driven to rotate by the cross rod, and the belt wheel is in transmission fit with the hanging portions through a belt so as to drive the hanging portions to rotate.

On the basis of the scheme, the hanging piece further comprises a hanging piece body and a transmission cavity arranged on the hanging piece body, one end of the hanging portion is located in the transmission cavity, and the other end of the hanging portion extends out of the hanging piece body to be used for hanging a curtain sheet.

On the basis of the scheme, one end of the hanging part, which is positioned in the transmission cavity, is provided with a worm wheel, the worm wheel is meshed with the worm wheel in the transmission cavity, and the belt wheel is in transmission fit with the worm through the belt to drive the worm to rotate.

On the basis of the scheme, the cross rod penetrates through the belt wheel and is in non-circular fit with the belt wheel.

On the basis of the scheme, the driving unit further comprises a motor box for accommodating the driving motor, and the motor box is arranged on the side part of the track along the length direction of the track.

On the basis of the scheme, the driving unit further comprises a first bevel gear arranged at the output end of the driving motor and a second bevel gear arranged at the end part of the cross rod, and the first bevel gear is meshed with the second bevel gear.

On the basis of the scheme, the track comprises a track body and a cavity arranged in the track body, a sliding groove for slidably mounting a hanging piece and an opening communicated with the cavity are formed in the side wall of the cavity, a part of the hanging piece is arranged in the cavity and is in sliding fit with the sliding groove, the other part of the hanging piece penetrates through the opening to hang a curtain sheet, and in the circumferential direction of the cross rod, the side wall of the opening is in contact with the hanging piece to limit the rotation of the hanging piece relative to the cross rod.

On the basis of the scheme, the fixing pieces used for fixing the rail on the wall body are arranged at the upper ends of the rails, and a plurality of fixing pieces are arranged along the length direction of the rail.

The utility model has the beneficial effects that:

the electric curtain disclosed by the utility model drives the driving belt to act through the driving motor, and the driving belt is simultaneously connected with the plurality of hanging pieces, so that the plurality of hanging pieces can be driven to act to slide on the track when the electric curtain acts, and the automatic opening and closing of the curtain are realized. The hanging piece slides relatively between the belt wheel and the cross rod in the sliding process, so that the cross rod cannot influence the action of the hanging piece. The hanging part of the hanging piece is used for hanging the curtain piece, and the hanging part can rotate to drive the curtain piece to rotate, so that the angle position of the curtain piece is adjusted to adjust the indoor brightness. The rotation of the hanging parts is driven by the cross bar, so that the hanging parts rotate simultaneously. When driving motor rotates the horizontal pole, but horizontal pole drive band pulley rotates, the band pulley carries out the transmission through the belt between putting the portion with hanging to turn into the rotation of putting the portion with the rotation of horizontal pole, this application replaces gear drive among the prior art through belt drive's mode, the arrangement of gear has been reduced, the noise that the portion of hanging produced in the rotation process has been reduced, owing to the portion of hanging on an electric window curtain is equipped with a plurality ofly, the noise of every portion of hanging when rotating all has the reduction in prior art, thereby can show the silence of improving electric window curtain, user's use experience has been improved.

These features and advantages of the present utility model will be disclosed in detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The utility model is further described with reference to the accompanying drawings:

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

FIG. 2 is an enlarged schematic view of FIG. 1 at A;

FIG. 3 is a schematic view of the structure of the track in an embodiment of the present utility model;

FIG. 4 is a cross-sectional view of a track in an embodiment of the utility model;

FIG. 5 is a schematic view showing the internal structure of the motor case and the transmission case according to the embodiment of the present utility model;

FIG. 6 is an enlarged schematic view at B in FIG. 5;

FIG. 7 is a schematic view of the internal structure of a transmission case according to an embodiment of the present utility model;

FIG. 8 is an enlarged schematic view of FIG. 7 at C;

fig. 9 is a schematic structural view of a hanger according to an embodiment of the present utility model.

Reference numerals:

track 100, track body 110, cavity 120, chute 130, opening 140, ribs 150;

suspension 200, suspension body 210, transmission part 211, connection part 212, transmission cavity 213, suspension part 220, worm wheel 221, belt wheel 230, hexagonal hole 231, through hole 240, worm 250, and fixing part 260;

the transmission motor 300, the transmission belt 310, the transmission wheel 320, the transmission shaft 330, the first bevel gear 340, the second bevel gear 350, the third bevel gear 360 and the fourth bevel gear 370;

a driving motor 400, a cross bar 410, a belt 420, a first bevel gear 430, a second bevel gear 440;

motor box 500, transmission box 510, support 520.

[ detailed description ] of the utility model

The technical solutions of the embodiments of the present utility model will be explained and illustrated below with reference to the drawings of the embodiments of the present utility model, but the following embodiments are only preferred embodiments of the present utility model, and not all embodiments. Based on the examples in the implementation manner, other examples obtained by a person skilled in the art without making creative efforts fall within the protection scope of the present utility model.

The appearances of the phrases such as "exemplary," "some embodiments," and the like in the following text are meant to be "serving as examples, embodiments, or illustrative," and any embodiment described as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, it will be appreciated by those skilled in the art that the present disclosure may be practiced without some of these specific details.

Referring to fig. 1 to 9, the present utility model discloses a motorized window treatment, including a rail 100, a power assembly, and a hanger 200. The hanging parts 200 are used for hanging curtain sheets and are provided with a plurality of hanging parts 200, the hanging parts 200 are slidably arranged on the track 100, the track 100 can limit the moving path of the hanging parts 200, the power component can generate power and can drive the hanging parts 200 to translate so as to open and close the curtain, when the power component provides forward power, the curtain is unfolded, and when the power component provides reverse power, the curtain is folded.

The power assembly includes a driving unit and a driving unit, the power is generated by the driving unit and transmitted by the driving unit, the driving unit includes a driving motor 300, the driving unit includes a driving belt 310, the driving belt 310 is connected to the plurality of hanging pieces 200, and the driving belt 310 is driven by the driving motor 300 to move so as to drive the plurality of hanging pieces 200 to move while moving.

The track 100 comprises a track body 110 and a cavity 120 arranged in the track body 110, a chute 130 for slidably mounting the hanging piece 200 is formed in the side wall of the cavity 120, an opening 140 communicated with the cavity 120 is further formed in the track body 110, the hanging piece 200 comprises a hanging piece body 210 and a hanging portion 220, the hanging piece body 210 comprises a transmission portion 211 and a connecting portion 212, the connecting portion 212 is connected between the transmission portion 211 and the hanging portion 220, the transmission portion 211 is arranged in the cavity 120 and is in sliding fit with the chute 130, a portion of the connecting portion 212 is arranged in the cavity 120 and connected with the transmission portion 211, another portion of the connecting portion 212 penetrates through the opening 140 and is connected with the hanging portion 220, and the lower end of the hanging portion 220 is in a hook shape and is used for hanging a curtain sheet.

The opening 140 is disposed at one side of the track body 110 in the horizontal direction, so that the hanging member 200 extends out of the cavity 120 from the side of the track body 110, and the curtain sheet is hung on the side of the track body 110, so that the curtain sheet can shield the track body 110, thereby improving the aesthetic degree of the electric curtain, eliminating the need of installing a curtain box or a baffle to shield, facilitating the installation of the electric curtain, and reducing the space required for installing the electric curtain.

The hanging part 220 is rotatably engaged with the hanger body 210, so that the curtain sheet can be driven to rotate, thereby adjusting the angular position of the curtain sheet to adjust the indoor brightness. The driving unit further includes a driving motor 400, the transmission unit further includes a cross bar 410, the cross bar 410 is driven to rotate by the driving motor 400, the hanger 200 further includes a pulley 230 rotatably engaged with the hanger body 210, the pulley 230 is slidably engaged with the cross bar 410 and is driven to rotate by the cross bar 410, and the pulley 230 is in transmission engagement with the hanging portion 220 through a belt 420 to drive the hanging portion 220 to rotate. When the driving motor 400 drives the cross rod 410 to rotate, the cross rod 410 can drive the belt pulley 230 to rotate, the belt pulley 230 and the hanging part 220 are in transmission through the belt 420, so that the rotation of the cross rod 410 is converted into the rotation of the hanging part 220, the transmission mode of the belt 420 is used for replacing the gear transmission in the prior art, the arrangement of gears is reduced, the noise generated in the rotation process of the hanging part 220 is reduced, and as a plurality of hanging parts 220 are arranged on one electric curtain, the noise generated when each hanging part 220 rotates is reduced compared with the noise generated in the prior art, so that the quietness of the electric curtain can be remarkably improved, and the use experience of a user is improved.

The hanger body 210 is provided with a through hole 240 for the cross rod 410 to penetrate, the cross rod 410 penetrates through the hanger body 210 through the through hole 240 and also penetrates through the belt pulley 230, the belt pulley 230 is provided with a hexagonal hole 231, the part of the cross rod 410 located in the cavity 120 is a hexagonal rod matched with the hexagonal hole 231, so that the belt pulley 230 can slide along the cross rod 410 when the transmission motor 300 acts, and meanwhile, the cross rod 410 can synchronously rotate with the belt pulley 230 when rotating. In addition, the part of the cross rod positioned in the cavity can also be in a prismatic structure, an elliptic structure and the like, and form non-circular fit with the belt wheel, and can drive the belt wheel to rotate.

The hanging member body 210 is further provided with a transmission cavity 213, the belt pulley 230 is arranged in the transmission cavity 213, one end of the hanging portion 220 extends into the transmission cavity 213 and is provided with a worm wheel 221, the worm 250 meshed with the worm wheel 221 is rotatably arranged in the transmission cavity 213, and the worm 250 is in transmission fit with the belt pulley 230 through a belt 420. When the cross bar 410 rotates, the pulley 230 is driven to rotate synchronously, the worm 250 is driven to rotate by the pulley 230 through the belt 420, and the worm 250 rotates through the engagement belt hanging part 220 with the worm wheel 221. Because the worm wheel 221 and the worm 250 have low transmission efficiency, the angle of the hanging part 220 can be adjusted at a relatively slow speed, so that the user can adjust the indoor brightness.

The driving motor 300 and the driving motor 400 are respectively used for driving the driving belt 310 and the cross rod 410, the electric curtain further comprises a motor box 500 for accommodating the driving motor 300 and the driving motor 400, the motor box 500 is arranged on one side of the rail 100 opposite to the sliding groove 130 along the length direction of the rail 100, the motor box 500 does not increase the length of the electric curtain, so that light leakage caused by the fact that the curtain cannot completely shade a window is avoided, and the motor box 500 can be shielded by the rail 100 and is not easy to observe by a user. The motor case 500 can protect the driving motor 300 and the driving motor 400 from dust, moisture, etc. affecting the normal operation of the driving motor 300 and the driving motor 400.

The transmission unit further includes a transmission assembly for transmitting power of the transmission motor 300 to the transmission belt 310 and transmitting power of the driving motor 400 to the cross bar 410.

The electric window curtain further comprises a transmission box 510 arranged at the end part of the track 100, the transmission assembly comprises a first bevel gear 430 and a second bevel gear 440, the first bevel gear 430 and the second bevel gear 440 are positioned in the transmission box 510, the first bevel gear 430 is arranged on an output shaft of the transmission box 510, the driving motor 400 stretches into the transmission box 510, the second bevel gear 440 is arranged on one end of the transmission box 510, which stretches into the transmission box 510, and is meshed with the first bevel gear 430, the driving motor 400 drives the first bevel gear 430 to rotate when being started, and the first bevel gear 430 drives the second bevel gear 440 to rotate through the meshing with the second bevel gear 440, so that the driving motor 410 is driven to rotate. When the driving motor 400 is operated in the reverse direction, the cross bar 410 is driven to rotate in the reverse direction.

The transmission assembly further comprises a transmission wheel 320, a gear assembly and a transmission shaft 330, wherein the gear assembly comprises a first bevel gear 340, a second bevel gear 350, a third bevel gear 360 and a fourth bevel gear 370, the transmission wheel 320 is arranged in a transmission box 510 and matched with the transmission belt 310, the first bevel gear 340 is arranged in a motor box 500 and is installed on an output shaft of the transmission motor 300, the second bevel gear 350 is arranged at the upper end of the transmission wheel 320, the transmission shaft 330 is arranged between the first bevel gear 340 and the second bevel gear 350, one end of the transmission shaft 330 is positioned in the transmission box 510, the other end of the transmission shaft 330 is positioned in the motor box 500, the third bevel gear 360 is arranged at one end of the transmission shaft 330 in the motor box 500 and is meshed with the first bevel gear 340, and the fourth bevel gear 370 is arranged at one end of the transmission shaft 330 in the transmission box 510 and is meshed with the second bevel gear 350.

When the transmission motor 300 is started, the first bevel gear 340 is driven to rotate, the first bevel gear 340 drives the transmission shaft 330 to rotate through the engagement with the third bevel gear 360, the transmission shaft 330 drives the fourth bevel gear 370 to rotate, and the fourth bevel gear 370 drives the transmission wheel 320 connected with the second bevel gear 350 to transmit through the engagement with the second bevel gear 350, so that the transmission belt 310 is driven to act. When the driving motor 300 is operated in the reverse direction, the driving belt 310 is driven to rotate in the reverse direction.

The transmission box 510 is further provided with a bracket 520, the bracket 520 is arranged above the second bevel gear 350 and is used for supporting the cross bar 410, a groove matched with the cross bar 410 is formed on the bracket 520, and the side wall of the groove has a limiting function on the cross bar 410 so as to keep the position of the cross bar 410 in the transmission box 510 stable, prevent the first bevel gear 430 and the second bevel gear 440 from being disengaged, and simultaneously prevent the cross bar 410 from interfering with the engagement of the fourth bevel gear 370 and the second bevel gear 350.

In order to maintain the stability of the curtain sheet, the shaking of the curtain sheet during the angular adjustment of the hanger 220 is reduced, and the sidewall of the opening 140 is in contact with the hanger 200 in the circumferential direction of the rail 410 to limit the rotation of the hanger 200 with respect to the rail 410, and thus the shaking of the hanger body 210 in the circumferential direction of the rail 410, which occurs with the rotation of the rail 410, can be prevented by such a design, thereby maintaining the stability of the curtain sheet.

In order to maintain the stability of the hanger 200, ribs 150 are provided on opposite side walls of the cavity 120 along the length direction of the rail 100, and the ribs 150 and the top wall or bottom wall of the cavity 120 form a chute 130. Two ribs 150 may be disposed on the same side wall of the cavity 120, and the chute 130 is formed by the two ribs 150.

Preferably, two ribs 150 are disposed on the same side wall of the cavity 120, the rib 150 on the upper side and the top wall of the cavity 120 form a chute 130, and another chute 130 is formed between the two ribs 150.

By providing the ribs 150, two opposite sliding grooves 130 can be formed in the cavity 120, so that the suspension 200 can be ensured to move stably to reduce the shaking of the curtain. In addition, the rail 410 also has a guiding function for the sliding of the hanger 200.

The lower end of the rail 100 is closed, and only the opening 140 is provided at the side portion, so that dust entering the inside of the rail 100 can be reduced. The upper end of the rail 100 is provided with a fixing member 260 for fixing the rail 100 to a wall, and the fixing member 260 is provided in plurality along the length direction of the rail 100.

While the utility model has been described in terms of embodiments, it will be appreciated by those skilled in the art that the utility model is not limited thereto but rather includes the drawings and the description of the embodiments above. Any modifications which do not depart from the functional and structural principles of the present utility model are intended to be included within the scope of the appended claims.

Claims (8)

1. The electric curtain comprises a power assembly, a track and a plurality of hanging pieces which are slidably arranged on the track and are used for hanging curtain pieces, and is characterized in that the power assembly comprises a driving unit and a transmission unit, the transmission unit comprises a transmission belt connected with the hanging pieces, the driving unit comprises a transmission motor for driving the transmission belt to act, the hanging pieces comprise hanging portions which are used for hanging the curtain pieces and are rotatable, the driving unit further comprises a driving motor, the transmission unit further comprises a cross rod which is driven by the driving motor to rotate, a belt wheel is rotatably arranged on the hanging pieces, the belt wheel is slidably matched with the cross rod and is driven to rotate by the cross rod, and the belt wheel is matched with the hanging portions through belt transmission so as to drive the hanging portions to rotate.

2. The motorized window treatment of claim 1, wherein the hanger further comprises a hanger body and a transmission cavity disposed on the hanger body, one end of the hanger portion is disposed in the transmission cavity, and the other end of the hanger portion extends out of the hanger body for hanging a curtain sheet.

3. The window shade according to claim 2, wherein one end of the hanging portion located in the transmission cavity is provided with a worm wheel, a worm meshed with the worm wheel is arranged in the transmission cavity, and the belt wheel and the worm are in transmission fit through the belt to drive the worm to rotate.

4. A motorized window treatment according to claim 3, wherein the cross-bar extends through the pulley and is non-circular with the pulley.

5. The motorized window treatment of claim 1, further comprising a motor box for housing the drive motor, the motor box disposed on the rail side along a length of the rail.

6. The motorized window treatment of claim 5, wherein the drive unit further comprises a drive assembly, the drive assembly further comprising a first bevel gear disposed at the output of the drive motor and a second bevel gear disposed at the end of the cross bar, the first bevel gear engaged with the second bevel gear.

7. A motorized window treatment according to claim 1, wherein the rail comprises a rail body and a cavity provided in the rail body, wherein a sidewall of the cavity forms a chute for slidably mounting a hanger and an opening communicating with the cavity, wherein a portion of the hanger is positioned in the cavity in sliding engagement with the chute, and wherein another portion of the hanger passes through the opening to hang a curtain, and wherein a sidewall of the opening contacts the hanger in a circumferential direction of the rail to limit rotation of the hanger relative to the rail.

8. The motorized window treatment of claim 1, wherein the upper end of the rail is provided with a fastener for fastening the rail to a wall, and wherein the fastener is provided in plurality along a length of the rail.