CN212015266U - Electric curtain host and electric curtain traction device - Google Patents

Abstract

The embodiment of the application provides an electric curtain host and an electric curtain traction device, wherein the electric curtain host comprises a shell, a first end cover and a power assembly, the shell is provided with a first opening, the first end cover is installed at the first opening, the first end cover is completely contained in the shell, and the first end cover is provided with a transmission piece installation cavity penetrating through the first end cover; the power assembly is accommodated in the shell, and at least part of the power assembly is exposed out of the transmission piece mounting cavity. The electric curtain traction device comprises the electric curtain host and a transmission component. The electric curtain host and the electric traction device provided by the embodiment of the application have the advantages that the first end cover is completely contained in the shell, the stability and the position accuracy of the first end cover can be enhanced, the influence on the transmission efficiency of the electric curtain host is avoided, and meanwhile, the appearance consistency of the electric curtain host is favorably improved.

Description

Electric curtain host and electric curtain traction device

Technical Field

The application relates to the technical field of smart homes, in particular to an electric curtain host and an electric curtain traction device.

Background

With the continuous improvement of living standard of people, the electric curtain is popular with consumers due to the convenience of automatic opening and closing. The existing electric curtain is composed of a motor power mechanism and a transmission rail, wherein the motor power mechanism is of a three-section structure and is divided into an upper cover, a main machine part and a lower cover, the upper cover is used for being in transmission connection with the transmission rail, the main machine part comprises a motor, a reduction gearbox and the like, and the upper cover and the lower cover are respectively arranged at the upper end and the lower end of the main machine part to complete the assembly of the motor power mechanism. However, this structure is easy to be deviated during installation, which causes the deviation from the central point of the main machine part and affects the power transmission efficiency of the motor.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the present application is to provide a motorized window treatment host and a motorized window treatment traction device, so as to solve the above problems. The embodiment of the application realizes the aim through the following technical scheme.

The embodiment of the application provides an electric window curtain host computer, includes: the shell is provided with a first opening; the first end cover is arranged at the first opening and is completely accommodated in the shell, and a transmission piece installation cavity penetrating through the first end cover is arranged on the first end cover; and the power assembly is accommodated in the shell, and at least part of the power assembly is exposed out of the transmission piece mounting cavity.

In one embodiment, the other end of the housing opposite to the first opening is provided with a second opening; the electric curtain machine further comprises a second end cover, the second end cover comprises a second end cover body and a second end cover connecting portion, the second end cover connecting portion is installed at the second opening, and the second end cover body is exposed outside the shell.

In one embodiment, the electric curtain main unit further includes a first gear and a motor assembly, the first gear is arranged in the transmission member mounting cavity in a driving manner, the motor assembly is arranged in the housing, and the first gear is connected to the motor assembly.

In an embodiment, the driving medium installation cavity comprises a first installation cavity and a second installation cavity, the first installation cavity and the second installation cavity are sequentially communicated with the first opening, the inner diameter of the first installation cavity is larger than that of the second installation cavity, and the inner wall of the first installation cavity is provided with a first fixing lug.

In one embodiment, the motorized window treatment further comprises a support part, the support part is mounted in the housing, the first end cover is connected to the support part, the first end cover comprises a first end face, the housing comprises a housing end face, and the first end face is lower than the housing end face; or the first end surface is flush with the end surface of the housing.

In one embodiment, the first gear comprises a first gear body, a first gear connecting plate and teeth, and the first gear body is arranged in the second mounting cavity; the teeth are arranged on the inner wall of the first gear body; the first gear connecting plate is arranged between the first gear body and the motor assembly, and the first gear connecting plate is connected with the first gear body and connected with the motor assembly.

In an embodiment, the supporting part is provided with a third installation cavity, the inner diameter of the third installation cavity is larger than that of the second installation cavity, and the first gear connecting plate is arranged in the third installation cavity.

In one embodiment, the electric curtain main unit further comprises an elastic button assembly, the elastic button assembly is arranged in the first end cover, one end of the elastic button assembly is elastically abutted against the first end cover, the other end of the elastic button assembly protrudes out of the first end cover, and the elastic button assembly further protrudes out of the shell.

In one embodiment, the first end cap is provided with a button assembly groove, and the housing is provided with a pressing hole, which is communicated with the button assembly groove. The elastic button assembly comprises a button body, an elastic piece and a button part, wherein the button body is arranged in the button assembly groove and protrudes out of the first end cover; the button body is provided with an elastic piece which is accommodated in the button assembly groove; the button body is provided with a button part which protrudes out of the shell through the pressing hole.

The embodiment of the application also provides an electric curtain traction device, which comprises a transmission component and the electric curtain host, wherein the transmission component is arranged on the electric curtain host and is in transmission connection with the electric curtain host.

Compared with the prior art, the electric curtain host and the electric curtain traction device provided by the embodiment of the application have the advantages that the first end cover is completely accommodated in the shell, and the limit function of the shell is utilized, so that the stability and the position accuracy of the first end cover can be enhanced, the transmission efficiency of the electric curtain host is prevented from being influenced, and the appearance consistency of the electric curtain host is improved; on the other hand, the center of shell and first end cover counterpoint is realized more easily in the installation, conveniently assembles manufacturing.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 shows an exploded view of a motorized window treatment host according to an embodiment of the present application.

Fig. 2 shows a schematic structural diagram of the motorized window treatment main unit and the transmission assembly provided by the embodiment of the present application.

Fig. 3 shows an exploded view of the motorized window treatment host according to the embodiment of the present application.

Fig. 4 shows a schematic structural diagram of a first end cover and a support portion of a motorized window treatment main unit according to an embodiment of the present application.

Fig. 5 is an exploded view illustrating a driving assembly of the motorized window treatment main unit according to an embodiment of the present disclosure.

Fig. 6 shows a schematic structural diagram of a first gear of the motorized window treatment host according to an embodiment of the present application.

Fig. 7 shows a schematic structural diagram of a second gear of the transmission assembly provided by the embodiment of the application.

Fig. 8 shows another schematic structural diagram of the first gear of the motorized window treatment host according to the embodiment of the present application.

Fig. 9 shows an exploded view of the first end cap and the support portion of the motorized window treatment main unit according to the embodiment of the present application.

Fig. 10 is a schematic structural diagram of a motorized window treatment traction device according to an embodiment of the present application.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and are only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1, the motorized window shade host 100 according to the embodiment of the present disclosure includes a housing 110, a first end cap 120 and a power assembly 180, wherein the housing 110 has a first opening 111, the first end cap 120 is installed in the first opening 111 and is completely accommodated in the housing 110, and the first end cap 120 has a transmission component installation cavity 121 penetrating through the first end cap 120; the power assembly 180 is accommodated in the housing 110, and at least a portion of the power assembly 180 is exposed from the transmission member mounting cavity 121.

In the electric curtain main machine 100, the driving member installation cavity 121 can be connected with the power assembly 180, and the first end cover 120 is completely accommodated in the outer shell 110, so that the stability and the position accuracy of the first end cover 120 can be enhanced by using the limiting function of the outer shell 110, and the influence on the transmission efficiency of the power assembly 180 is avoided.

Referring to fig. 2, in the present embodiment, the motorized window shade main unit 100 may be used in cooperation with the transmission assembly 200, and the transmission assembly 200 may include a first box portion 211, a second box portion 212, and a third box portion 213, wherein the first box portion 211 and the third box portion 213 are respectively installed at two ends of the second box portion 212, and the first box portion 211, the second box portion 212, and the third box portion 213 are communicated with each other; a second gear 220 capable of being driven is installed in the first box part 211, and the second gear 220 protrudes out of the first box part 211 and is inserted into the driving member installation cavity 121, so that the driving connection between the electric curtain main unit 100 and the driving assembly 200 is realized. The transmission assembly 200 can be connected with the curtain fabric through a hook connection mode and the like, after the assembly is completed, the electric curtain host 100 drives the transmission assembly 200 to rotate, and the transmission assembly 200 drives the hook to reciprocate, so that the automatic opening and closing of the curtain are realized. Of course, the transmission assembly 200 may be connected to the motorized window shade main unit 100 in a transmission manner by a connection manner such as a hardware shaft, and the embodiment of the present application is not particularly limited.

Referring to fig. 3, the motorized window shade main unit 100 further includes a supporting portion 130, the supporting portion 130 is installed in the outer shell 110, the first end cover 120 is connected to the supporting portion 130, the first end cover 120 includes a first end surface 122, the outer shell 110 includes an outer shell end surface 112, and the first end surface 122 is lower than the outer shell end surface 112, or the first end surface 122 is flush with the outer shell end surface 112. One skilled in the art can set the relative position of the first end surface 122 and the housing end surface 112 as required to ensure that the first end cover 120 is completely received in the housing 110.

In this embodiment, the outer diameter of the first end cap 120 is equal to the inner diameter of the outer shell 110, so that the first end cap 120 abuts against the inner wall of the outer shell 110, and the stability and the position accuracy of the first end cap 120 can be further enhanced.

In this embodiment, the power assembly 180 includes a first gear 140 and a motor assembly 150, the first gear 140 is disposed in the transmission member mounting cavity 121 in a driving manner, the motor assembly 150 is disposed in the casing 110, and the first gear 140 is connected to the motor assembly 150. The electric curtain main machine 100 adopts the first gear 140 as a power output end and is in transmission connection with the transmission assembly 200 through gear meshing, and due to the guiding effect of gear teeth, accurate alignment is not needed in the installation process, blind insertion can be realized, and the operation is convenient and rapid; after the first gear 140 and the second gear 220 are engaged, the joint is located in the transmission member installation cavity 121, and is not affected by the external environment, so that the connection stability between the first gear 140 and the transmission assembly 200 is ensured.

In this embodiment, the motor assembly 150 includes a clutch mechanism 151, a reduction gearbox 152, a motor 153, and a main control mechanism 154 that are sequentially disposed along a direction away from the first gear 140, the clutch mechanism 151 is in transmission connection with the reduction gearbox 152, the reduction gearbox 152 is in transmission connection with the motor 153, the clutch mechanism 151, the reduction gearbox 152, and the motor 153 are further electrically connected with the main control mechanism 154, respectively, and a power output shaft of the clutch mechanism 151 is connected with the first gear 140 for driving the first gear 140 to rotate. The motor 153 can be a direct current motor or an alternating current motor, and the motor 153, the clutch mechanism 151 and the reduction gearbox 152 are matched for use, so that good speed regulation and control functions can be provided, and daily use requirements are met.

The main control mechanism 154 includes a main control circuit board, on which a processing chip and a wireless communication module are integrated, and the wireless communication module establishes a wireless communication connection with an external terminal, so that the remote control of the electric curtain host 100 can be realized.

In this embodiment, the other end of the housing 110 opposite to the first opening 111 is provided with a second opening 113.

The motorized window treatment main unit 100 further includes a second end cap 160, the second end cap 160 includes a second end cap body 161 and a second end cap connecting portion 162, the second end cap connecting portion 162 is installed in the second opening 113, and the second end cap body 161 is exposed outside the outer shell 110. The second end cap body 161 may be used to mount components such as a button for operating the motor assembly 150, an indicator light for indicating a movement state of the motor assembly 150, and a power cord for connecting to an external power source to supply power to the motor assembly 150.

In this embodiment, the outer shell 110 is a cylindrical structure, the second end cap body 161 abuts against the outer shell 110, and the second end cap connecting portion 162 also abuts against the main control mechanism 154 to support the main control mechanism 154, so as to ensure the installation stability of each component in the outer shell 110.

Referring to fig. 4, the driving member installation cavity 121 includes a first installation cavity 1211 and a second installation cavity 1212, the first installation cavity 1211 and the second installation cavity 1212 sequentially penetrate through the first opening 111, an inner diameter of the first installation cavity 1211 is greater than an inner diameter of the second installation cavity 1212, a first fixing lug 123 is disposed on an inner wall of the first installation cavity 1211, and the first fixing lug 123 is used for connecting the driving assembly 200, so as to achieve assembly connection between the electric window curtain main unit 100 and the driving assembly 200.

Referring to fig. 5, in some other embodiments of the present disclosure, a driving end cover 230 is disposed at the bottom of the first housing portion 211, and the second gear 220 protrudes from the driving end cover 230; the transmission end cover 230 comprises a transmission end cover plate 231 and a transmission end cover connecting column 232, the transmission end cover plate 231 is arranged on the transmission box 220, the transmission end cover connecting column 232 is arranged on one side, deviating from the transmission box 220, of the transmission end cover plate 231, and the transmission end cover connecting column 232 is provided with a second fixing lug 233 for being clamped and connected with the first fixing lug 123.

When the electric curtain main machine 100 and the transmission assembly 200 are assembled, the assembly connection can be completed only by inserting the transmission end cover connecting post 232 into the first installation cavity 1211 and then clamping the first fixing lug 123 and the second fixing lug 233 after rotating a certain angle, so that the operation is very convenient.

In this embodiment, the first mounting cavity 1211 and the second mounting cavity 1212 are defined by hollow cylinders, the first fixing lug 123 and the second fixing lug 233 are both in the shape of a sector ring, the number of the first fixing lug 123 and the second fixing lug 233 is two, the two first fixing lugs 123 are symmetrically arranged along the center of the first mounting cavity 1211, and the two second fixing lugs 233 are symmetrically arranged along the center of the transmission end cover connecting post 232, so that the clamping connection between the first fixing lug 123 and the second fixing lug 233 is more stable.

In this embodiment, the outline of the connecting column 232 of the driving end cap is matched with the first mounting cavity 1211, so that, since the inner diameter of the first mounting cavity 1211 is larger than the inner diameter of the second mounting cavity 1212, that is, the inner wall of the first end cap 120 is provided with the step portion 1213, when the connecting column 232 of the driving end cap is inserted, whether the connecting column 232 of the driving end cap is inserted in place can be judged by whether the connecting column 232 of the driving end cap is abutted against the step portion 1213, and the operation is very convenient.

In other embodiments of the present application, the transmission assembly 200 further includes a transmission belt 241 and a third gear 242, the transmission belt 241 and the third gear 242 are disposed in the transmission case 80, the third gear 242 is connected to the second gear 220 and rotates coaxially with the second gear 220, and the transmission belt 241 is in meshed connection with the third gear 242. During actual use, a hook used for being connected with a curtain can be arranged on the conveyor belt 241, and the third gear 242 drives the conveyor belt 241 to rotate back and forth through forward and reverse rotation, so that the hook is driven to reciprocate, and automatic opening and closing of the curtain are achieved.

Referring to fig. 6, the first gear 140 includes a first gear body 141, a first gear connecting plate 142 and teeth 143, the first gear body 141 is disposed in the second mounting cavity 1212, and the first gear body 141 is adapted to the second mounting cavity 1212; the first gear body 141 is annular, and the teeth 143 are disposed on an inner wall of the first gear body 141; the first gear connecting plate 142 is disposed between the first gear body 141 and the motor assembly 150, and the first gear connecting plate 142 is connected to the first gear body 141 and connected to the motor assembly 150 to drive the first gear 140 to rotate. The first gear 140 adopts an internal gear structure, and the second gear 220 is inserted in the first gear 140 for meshing connection, so that the structure is compact and the installation space can be greatly saved compared with a straight gear and a helical gear which are driven by a transmission machine.

In this embodiment, the teeth 143 include a tooth body portion 1431 and a tooth guide portion 1432, one end of the tooth body portion 1431 is connected to the first gear connection plate 142, and the other end is provided with the tooth guide portion 1432, and an outer diameter of the tooth guide portion 1432 is gradually reduced from the tooth body portion 1431 toward a direction away from the tooth body portion 1431. Above-mentioned tooth guide part 1432 can play the guide effect, makes things convenient for second gear 220 to insert and the meshing is connected, but installer blind plug operation, and the installation is convenient swift more.

In this embodiment, the tooth body 1431 is a rectangular parallelepiped structure extending along the axial direction of the first gear body 141, the sides of the rectangular parallelepiped structure are all arc-shaped transitions, the tooth guide 1432 is a quadrangular frustum pyramid structure, and the upper bottom surface of the quadrangular frustum pyramid structure is arc-shaped. The teeth 143 are simple in structural design, easy to machine and manufacture while having a guiding function, and cost-saving.

In this embodiment, the number of the teeth 143 is plural, for example, the number of the teeth 143 may be 2 or more, 9 or more, and the plural teeth 143 are arranged at equal intervals along the circumferential direction of the first gear body 141, so that the first gear body 141 is uniformly stressed.

In this embodiment, the first gear body 141 and the second mounting cavity 1212 are adapted to be able to limit the first gear 140 through the second mounting cavity 1212, thereby avoiding the occurrence of anomalies such as gear misalignment.

Referring to fig. 7, in some other embodiments of the present disclosure, the second gear 220 includes a second gear body 221, the second gear body 221 has an opening groove 222, the opening groove 222 includes a limiting portion 223 and an opening portion 224, the limiting portion 223 includes a groove bottom surface 2231 and two symmetrically disposed groove side surfaces (not numbered), and an extending direction of the groove bottom surface 2231 is consistent with an axial direction of the second gear body 221; each groove side includes a first groove side 2232 and a second groove side 2233, the second groove side 2233 extends in the axial direction of the second gear body 221, and the second groove side 2233 is perpendicular to the groove bottom 2231; the side of the second groove side 2233 facing away from the opening 224 is bent inward to form a first groove side 2232, and the two oppositely disposed first groove sides 2232 intersect with each other at an arc transition.

The opening portion 224 includes an opening bottom surface 2241 and two opening side surfaces 2242 symmetrically arranged, the opening bottom surface 2241 is formed by bending the groove bottom surface 2231 toward the axis of the second gear body 41, and the opening side surfaces 2242 are formed by bending the second groove side surfaces 2233 outward. The opening portion 224 can play a guiding role, so that the first gear 140 can be conveniently inserted into the open slot 22, an installer can perform blind insertion operation, and the installation process is more convenient and faster.

After the first gear 140 and the second gear 220 are engaged, the groove bottom 2231 and the first groove side 2232 abut against the side of the frustum of prism, and the groove bottom 2231 and the second groove side 2233 abut against the side of the cuboid, so that a sufficient contact area between the first gear 140 and the second gear 220 can be ensured, friction between the first gear 140 and the second gear 220 can be increased, and stability of transmission connection can be ensured. Meanwhile, the first gear 140 and the second gear 220 do not slide relatively, so that the common failure modes of tooth surface abrasion, gluing, tooth surface plastic deformation and the like in the traditional gear transmission can be avoided.

Referring to fig. 8, in this embodiment, a motor assembling groove 1421 is disposed on a side of the first gear connecting plate 142 away from the first gear body 141, and a power output shaft of the motor assembly 150 is inserted into the motor assembling groove 1421. The cross-section of the motor mounting groove 1421 may be polygonal such as triangle, quadrangle, etc. to enhance the stability of the connection between the motor assembly 150 and the first gear 140.

Referring to fig. 9, in the present embodiment, the supporting portion 130 is provided with a third mounting cavity 131, an inner diameter of the third mounting cavity 131 is larger than that of the second mounting cavity 1212, and the first gear connecting plate 142 is disposed in the third mounting cavity 131.

When assembling first gear 140, first end cover 120 and supporting part 130, earlier with supporting part 130 fixed mounting in shell 110, again with first end cover 120 through modes such as screw connection fixed mounting in supporting part 130, first gear 140 can follow third installation cavity 131 and put into second installation cavity 1212, because the internal diameter of third installation cavity 131 is greater than second installation cavity 1212, first gear connecting plate 142 offsets with first end cover 120 this moment to spacing first gear 140, can accomplish assembly work.

In this embodiment, the third mounting cavity 131 is matched with the first gear connecting plate 142, so that the third mounting cavity 131 can limit the first gear 30 to a certain extent, and the first gear 140 is prevented from generating abnormal phenomena such as deviation.

In this embodiment, the motorized window shade main unit 100 further includes an elastic button assembly 170, the elastic button assembly 170 is disposed in the first end cap 120, one end of the elastic button assembly 170 elastically abuts against the first end cap 120, the other end of the elastic button assembly 170 protrudes from the first end cap 120, and the elastic button assembly 170 further protrudes from the housing 110.

In other embodiments of the present application, the transmission end cover 231 is provided with a button limiting hole 2311 (see fig. 2 in detail), and one end of the elastic button assembly 170 protrudes out of the first end cover 120 and is inserted into the button limiting hole 2311, so as to fixedly connect the motorized window shade main unit 100 and the transmission assembly 200, and prevent the problems such as deviation between the motorized window shade main unit 100 and the transmission assembly 200.

In this embodiment, the first cap 120 is provided with a button fitting groove 124, the housing 110 is provided with a pressing hole 114 (see fig. 3 in detail), and the pressing hole 114 and the button fitting groove 124 communicate with each other;

the elastic button assembly 170 includes a button body 171, an elastic member 172, and a button portion 173, the button body 171 being disposed in the button assembly groove 124 and protruding from the first end cap 120; the button body 171 is provided with an elastic member 172, and the elastic member 172 is accommodated in the button assembly groove 124; the button body 171 is provided with a button portion 173, and the button portion 173 protrudes from the housing 110 through the pressing hole 114.

The elastic member 172 may be an elastic member such as a spring, and the spring 172 is sleeved on the outer circumference of the button body 171. When there is no external force, the button body 171 protrudes out of the first end cap 120 under the action of the spring force and is connected with the button limiting hole 2311 in an inserting manner, so as to fixedly connect the motorized window shade main unit 100 and the transmission assembly 200. When the electric curtain is needed to be detached, the button part 173 is pressed to drive the button body 171 to retract into the first end cover 120, and at the moment, the button body 171 is separated from the button limiting hole 2311, so that the electric curtain main body 100 and the transmission assembly 200 can be detached, and the operation is simple and rapid.

In this embodiment, the first end cap 120 is further provided with a button moving hole 125, the button moving hole 125 is communicated with the button assembling groove 124, the button moving hole 125 penetrates through the first end cap 120, and the inner diameter of the button moving hole 125 is smaller than the button assembling groove 124. The elastic button assembly 170 further includes a button limiting post 174, the button limiting post 174 is disposed on the button body 171, and the button limiting post 174 is adapted to the button moving hole 125 and the button limiting hole 2311 for being inserted into and matched with the button limiting hole 2311. The button body 171 is connected with the transmission assembly 200 through the button limiting post 174, and the button limiting post 174 is not deviated in the stretching process due to the limiting effect of the button moving hole 125, so that the button body can be accurately inserted into the button limiting hole 2311.

Referring to fig. 10, an embodiment of the present invention further provides a motorized window shade traction apparatus 300, which includes the transmission assembly 200 and the motorized window shade main unit 100 in the above embodiments, wherein the transmission assembly 200 is installed on the motorized window shade main unit 100 and is in transmission connection with the motorized window shade main unit 100. Since the motorized window treatment traction device 300 includes the motorized window treatment main unit 100 in the above embodiment, all the advantages of the motorized window treatment main unit 100 are provided, and are not described herein again.

To sum up, the electric curtain main unit 100 and the electric curtain traction device 300 provided in the embodiment of the present application include the outer shell 110 and the first end cap 120, the first end cap 120 is provided with the transmission member installation cavity 121 penetrating through the first end cap 120, and the first end cap 120 is completely accommodated in the outer shell 110; the transmission member mounting cavity 121 is used for outputting power of the electric curtain host 100, and because the first end cover 120 is completely accommodated in the outer shell 110, the stability and position accuracy of the first end cover 120 can be enhanced by using the limiting function of the outer shell 110, thereby avoiding influencing the transmission efficiency of the electric curtain host 100 and simultaneously contributing to improving the appearance consistency of the electric curtain host; on the other hand, the center alignment of the housing 110 and the first end cap 120 is easily realized during the installation process, and the assembly and manufacture are convenient.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A motorized window treatment host, comprising:

a housing provided with a first opening;

the first end cover is arranged at the first opening and is completely accommodated in the shell, and a transmission part installation cavity penetrating through the first end cover is arranged on the first end cover; and

the power assembly is accommodated in the shell, and at least part of the power assembly is exposed out of the transmission piece mounting cavity.

2. The motorized window treatment of claim 1, wherein a second opening is disposed at the other end of the housing opposite to the first opening;

the electric curtain machine further comprises a second end cover, the second end cover comprises a second end cover body and a second end cover connecting portion, the second end cover connecting portion is installed at the second opening, and the second end cover body is exposed outside the shell.

3. The motorized window treatment of claim 1, wherein the power assembly comprises a first gear rotatably disposed in the transmission mounting cavity and a motor assembly disposed in the housing, the first gear being coupled to the motor assembly.

4. The electric curtain machine as claimed in claim 3, wherein the transmission member mounting cavity includes a first mounting cavity and a second mounting cavity, the first mounting cavity and the second mounting cavity are sequentially communicated with the first opening, an inner diameter of the first mounting cavity is larger than an inner diameter of the second mounting cavity, and a first fixing lug is disposed on an inner wall of the first mounting cavity.

5. The motorized window treatment of claim 4, further comprising a support portion mounted within the housing, the first end cap coupled to the support portion, the first end cap comprising a first end face, the housing comprising a housing end face, the first end face lower than the housing end face; or the first end surface is flush with the housing end surface.

6. The motorized window treatment of claim 5, wherein the first gear comprises a first gear body, a first gear connecting plate and teeth, and the first gear body is disposed in the second mounting cavity; the teeth are arranged on the inner wall of the first gear body; the first gear connecting plate is arranged between the first gear body and the motor assembly, and the first gear connecting plate is connected with the first gear body and connected with the motor assembly.

7. The motorized window treatment of claim 6, wherein the support portion is provided with a third mounting cavity, an inner diameter of the third mounting cavity is larger than an inner diameter of the second mounting cavity, and the first gear connecting plate is disposed in the third mounting cavity.

8. The motorized window treatment of claim 1, further comprising an elastic button assembly disposed within the first end cap, wherein one end of the elastic button assembly is elastically abutted against the first end cap, and the other end of the elastic button assembly protrudes from the first end cap, and the elastic button assembly further protrudes from the housing.

9. The motorized window treatment of claim 8, wherein the first end cap defines a button receiving slot, and the housing defines a press hole, the press hole communicating with the button receiving slot;

the elastic button assembly comprises a button body, an elastic piece and a button part, and the button body is arranged in the button assembly groove and protrudes out of the first end cover; the button body is provided with the elastic piece, and the elastic piece is accommodated in the button assembling groove; the button body is provided with the button part, and the button part protrudes out of the shell through the pressing hole.

10. A motorized window treatment traction device, comprising a transmission assembly and the motorized window treatment main unit according to any one of claims 1 to 9, wherein the transmission assembly is mounted on the motorized window treatment main unit and is in transmission connection with the motorized window treatment main unit.

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