Curtain folding and unfolding device and electric curtain equipment

Abstract

The embodiment of the utility model provides a curtain folding and unfolding device and electric curtain equipment, and the curtain folding and unfolding device comprises a fixed seat, which is provided with a first matching structure; the curtain rod is mounted on the fixed seat and is used for mounting a curtain and a lamp strip; the driving motor is used for driving the curtain to move along the curtain rod, the driving motor is provided with an electric connecting piece and a second matching structure, the driving motor can move towards the fixing base so that the second matching structure and the first matching structure can be buckled, and the electric connecting piece is electrically connected with the lamp strip. The first matching structure is arranged on the fixing base, the electric connecting piece and the second matching structure are arranged on the driving motor, the driving motor can move towards the fixing base, so that the second matching structure and the first matching structure are buckled, the electric connecting piece is electrically connected with the lamp strip, and installation of the driving motor and power supply of the lamp strip can be achieved at the same time; the installation mode of the driving motor is simple, the lamp strip does not need an additional power supply cable, the overall structure is simple, and the cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric curtain technical field especially is related to a curtain take -up device and electric curtain equipment. BACKGROUND

[0002] With the development of social economy and technology, people's demand for smart home is higher and higher. As a kind of furniture of smart home, electric curtain can realize automatic curtain release and automatic curtain retraction, which is more convenient than the previous manual take-up mode and better experience.

[0003] In the related art, the electric curtain is provided with a motor and a lamp strip, the driving force provided by the motor is used to realize the take-up of the curtain, and the lamp strip can emit light to set off atmosphere or adjust indoor brightness. In the existing electric curtain, the installation mode of the power supply circuit of the lamp strip and the motor is relatively complex, which leads to the overall structure being too complex and the cost being too high. SUMMARY

[0004] The utility model aims at at least one of the technical problems existing in the prior art. To this end, the utility model provides a curtain take-up device and electric curtain equipment, which can simplify the overall structure and reduce the cost.

[0005] In a first aspect, the utility model provides a curtain take-up device, which comprises: a fixed seat provided with a first matching structure; a curtain rod installed on the fixed seat and used for installing a curtain and a lamp strip; a driving motor used for driving the curtain to move along the curtain rod, the driving motor is provided with an electrical connector and a second matching structure, the driving motor can move towards the fixed seat to make the second matching structure and the first matching structure snap together, and the electrical connector is electrically connected with the lamp strip.

[0006] The curtain take-up device provided by the first aspect of the utility model has at least the following beneficial effects:

[0007] By arranging the first matching structure on the fixed seat and the electrical connector and the second matching structure on the driving motor, the driving motor can move towards the fixed seat to make the second matching structure and the first matching structure snap together, and the electrical connector is electrically connected with the lamp strip, so that the installation of the driving motor and the power supply of the lamp strip can be realized at the same time. The installation mode of the driving motor is relatively simple, the lamp strip does not need additional power cable, the overall structure is relatively simple, and the cost is reduced.

[0008] In one embodiment of the embodiment, one of the first matching structure and the second matching structure is configured as a clamping groove, and the other is configured as a clamping buckle, and the clamping buckle is clamped in the clamping groove.

[0009] In one embodiment of the embodiment, the fixing base is provided with a mounting groove, the first matching structure is configured as a clamping groove, the clamping groove is arranged on the side wall of the mounting groove, the driving motor is provided with a mounting protrusion, the second matching structure is configured as a buckle, the buckle is arranged on the circumferential side of the mounting protrusion, and the mounting protrusion can extend into the mounting groove so that the buckle is clamped in the clamping groove.

[0010] In one embodiment of the embodiment, the buckle is provided with a clamping hook, the clamping hook has a spacing distance from the side surface of the mounting protrusion, and when the mounting protrusion extends into the mounting groove, the clamping hook can be pressed against the side surface of the mounting protrusion under the extrusion of the side wall of the mounting groove until the clamping hook is clamped into the clamping groove.

[0011] In one embodiment of the embodiment, the number of the clamping grooves and the number of the buckles are both plural, and the clamping grooves and the buckles are one-to-one correspondingly clamped.

[0012] In one embodiment of the embodiment, the electric connector is arranged on the mounting protrusion, and the bottom wall of the mounting groove is provided with a first through hole for the electric connector to pass through.

[0013] In one embodiment of the embodiment, the mounting protrusion is provided with an output shaft, and the bottom wall of the mounting groove is provided with a second through hole for the output shaft to pass through.

[0014] In one embodiment of the embodiment, the mounting direction of the driving motor and the fixing base is parallel to the axis direction of the output shaft.

[0015] In one embodiment of the embodiment, the curtain winding and unwinding device further comprises a connecting base, the curtain rod is mounted on the connecting base, the connecting base is provided with a first connecting structure, the fixing base is provided with a second connecting structure, the second connecting structure cooperates with the first connecting structure so that the fixing base is in a first mounting state or a second mounting state, when the fixing base is in the first mounting state, the driving motor is located on the top side of the connecting base, and when the fixing base is in the second mounting state, the driving motor is located on the bottom side of the connecting base.

[0016] In the second aspect, the utility model provides a kind of electric curtain equipment, electric curtain equipment includes curtain, lamp strip and the curtain winding and unwinding device of any one of the first aspect embodiment, the curtain and the lamp strip are mounted on the curtain rod of the curtain winding and unwinding device.

[0017] The electric curtain equipment provided by the second aspect embodiment of the utility model has at least the following beneficial effects:

[0018] The curtain winding and unwinding device is added to the electric curtain device, the structure of the electric curtain device is relatively simple, and the cost is relatively low.

[0019] Additional aspects and advantages of the present application will be made apparent from the following description. BRIEF DESCRIPTION OF DRAWINGS

[0020] The present application will be further described below in conjunction with the drawings and embodiments, wherein:

[0021] Figure 1 is a perspective structural schematic view of the curtain winding and unwinding device under an embodiment of the present application;

[0022] Figure 2 is Figure 1 a perspective structural schematic view of the fixing seat of the curtain winding and unwinding device of

[0023] Figure 3 is Figure 1 a perspective structural schematic view of the driving motor of the curtain winding and unwinding device of

[0024] Figure 4 is Figure 3 an enlarged structural schematic view of the I area of the driving motor of

[0025] Figure 5 is Figure 1 a structural schematic view of the curtain winding and unwinding device in a disassembled state of

[0026] Figure 6 is Figure 1 a perspective structural schematic view of the curtain winding and unwinding device in another state of

[0027] Figure 7 is Figure 1 a sectional structural schematic view of the curtain winding and unwinding device of

[0028] Reference signs:

[0029] The curtain winding and unwinding device 100; the fixing seat 10; the first matching structure 11; the mounting groove 12; the side wall 121; the first perforation 101; the second perforation 102; the second connecting structure 15; the curtain rod 20; the driving motor 30; the electric connecting piece 31; the second matching structure 32; the clamping hook 321; the mounting protrusion 33; the side surface 331; the output shaft 34; the connecting seat 40; the first connecting structure 41; the conductive ring 42; the pulley 43; the hanging wheel fastener 50. DETAILED DESCRIPTION

[0030] Embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are only used to explain the present application and cannot be understood as a limitation of the present application.

[0031] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0032] In the description of the present application, the meaning of several is more than one, the meaning of multiple is more than two, greater than, less than, more than, etc. are understood as not including the number, above, below, etc. are understood as including the number. If it is described as first, second, it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or the order of technical features indicated.

[0033] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting, etc. should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical solution.

[0034] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the present application. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0035] In the related art, the installation mode of the motor and the fixing seat is that the motor is first inserted into the fixing seat, and then rotated relative to the fixing seat, so that the protruding block of the motor and the slot of the fixing seat are matched to limit the motor from exiting the fixing seat, thereby completing the installation of the motor on the fixing seat. The power supply of the lamp strip is usually realized by relying on the cable arranged outside, and a wire hole is formed on the fixing seat, and the cable passes through the wire hole to supply power to the lamp strip. It can be seen that the installation mode of the motor and the power supply circuit of the lamp strip are both relatively complex, resulting in a complex overall structure and high cost.

[0036] Please refer toFigures 1 to 3 , Figure 1 is a three-dimensional structure schematic diagram of the curtain winding and unwinding device 100 under an embodiment of the present application; Figure 2 is Figure 1 a three-dimensional structure schematic diagram of the fixing seat 10 of the curtain winding and unwinding device 100; Figure 3 is Figure 1 a three-dimensional structure schematic diagram of the driving motor 30 of the curtain winding and unwinding device 100. The present application provides a curtain winding and unwinding device 100, which comprises a fixing seat 10, a curtain rod 20 and a driving motor 30. The fixing seat 10 is provided with a first matching structure 11. The curtain rod 20 is installed on the fixing seat 10 and is used for installing a curtain (not shown) and a lamp strip (not shown). The driving motor 30 is used for driving the curtain to move along the curtain rod 20. The driving motor 30 is provided with an electrical connecting piece 31 and a second matching structure 32. The driving motor 30 can move towards the fixing seat 10 so that the second matching structure 32 and the first matching structure 11 are buckled, and the electrical connecting piece 31 is electrically connected with the lamp strip.

[0037] Specifically, the driving motor 30 can drive the curtain to move along the curtain rod 20 so that the curtain is wound up or unwound. In this embodiment, the curtain rod 20 extends along the horizontal direction, that is, the curtain can move along the curtain rod 20 along the horizontal direction. In this embodiment, the electrical connecting piece 31 is in the form of a columnar contact, which can be made of copper. The number of the electrical connecting piece 31 is two, which correspond to the positive and negative poles respectively. The two electrical connecting pieces 31 are arranged at intervals.

[0038] It can be understood that the fixing seat 10 is provided with the first matching structure 11, the driving motor 30 is provided with the second matching structure 32, and the first matching structure 11 and the second matching structure 32 are buckled during the movement of the driving motor 30 towards the fixing seat 10, so that the installation of the driving motor 30 on the fixing seat 10 is completed. This installation mode is relatively simple. Meanwhile, the fixing seat 10 is also provided with the electrical connecting piece 31, which needs to be aligned with the preset position of the fixing seat 10 to supply power to the lamp strip. The plug-in installation mode of the driving motor 30 and the fixing seat 10 can ensure that the electrical connecting piece 31 can be aligned with the preset position, thereby improving the reliability of the power supply of the lamp strip.

[0039] By arranging the first matching structure 11 on the fixing seat 10 and the electrical connecting piece 31 and the second matching structure 32 on the driving motor 30, the driving motor 30 can move towards the fixing seat 10 so that the second matching structure 32 and the first matching structure 11 are buckled, and the electrical connecting piece 31 is electrically connected with the lamp strip. The installation of the driving motor 30 and the power supply of the lamp strip can be realized at the same time. The installation mode of the driving motor 30 is relatively simple, the lamp strip does not need additional power cables, the overall structure is relatively simple, and the cost is reduced.

[0040] In an embodiment of the present application, please refer toFigures 1 to 3 One of the first and second matching structures 11 and 32 is configured as a clamping groove, and the other is configured as a clamping buckle. Specifically, the mounting direction of the driving motor 30 and the fixed seat 10 is the vertical direction. That is, during the movement of the driving motor 30 towards the fixed seat 10 along the vertical direction, the clamping buckle is clamped in the clamping groove, so that the driving motor 30 and the fixed seat 10 are relatively fixed, thereby completing the installation of the driving motor 30 on the fixed seat 10. In this way, the installation difficulty of the driving motor 30 is relatively low, and the structure is relatively simple, which is beneficial to reduce the cost.

[0041] In the embodiment, the first matching structure 11 is configured as a clamping groove, and the second matching structure 32 is configured as a clamping buckle. In other embodiments, the first matching structure 11 can also be configured as a clamping buckle, and the second matching structure 32 is configured as a clamping groove.

[0042] In one embodiment of the implementation, please refer to Figures 1 to 3 The fixed seat 10 is provided with a mounting groove 12, the first matching structure 11 is configured as a clamping groove, the clamping groove is provided on the side wall 121 of the mounting groove 12, the driving motor 30 is provided with a mounting protrusion 33, the second matching structure 32 is configured as a clamping buckle, the clamping buckle is provided on the side of the mounting protrusion 33, and the mounting protrusion 33 can extend into the mounting groove 12, so that the clamping buckle is clamped in the clamping groove. In this way, the mounting protrusion 33 and the mounting groove 12 can be used for positioning, which reduces the installation difficulty and improves the connection strength of the driving motor 30 and the fixed seat 10.

[0043] In one embodiment of the implementation, please refer to Figures 2 to 4 , Figure 4 is Figure 3 an enlarged structural schematic view of the I area of the driving motor 30 of . The clamping buckle is provided with a clamping hook 321, the clamping hook 321 has a spacing distance from the side surface 331 of the mounting protrusion 33, and when the mounting protrusion 33 extends into the mounting groove 12, the clamping hook 321 can be extruded by the side wall 121 of the mounting groove 12 to approach the side surface 331 of the mounting protrusion 33 until it is clamped into the clamping groove. Specifically, the clamping hook 321 is located at the end of the clamping buckle facing the fixed seat 10. It can be understood that during the extension of the mounting protrusion 33 into the mounting groove 12, the side wall 121 of the mounting groove 12 abuts and extrudes the clamping hook 321, the clamping buckle deforms, the clamping hook 321 moves towards the side surface 331 of the mounting protrusion 33, and continues to move along the side wall 121 of the mounting groove 12. When the clamping hook 321 reaches the clamping groove, the clamping buckle restores the deformation and drives the clamping hook 321 to be clamped into the clamping groove, and the clamping groove limits the clamping hook 321 from leaving, that is, the clamping buckle is clamped in the clamping groove. By setting the clamping hook 321 to have a spacing distance from the side surface 331 of the mounting protrusion 33, a space for the clamping buckle to deform is provided, so that the clamping buckle can be clamped into the clamping groove.

[0044] In an embodiment of the embodiment, please refer to Figure 2 and Figure 3 The number of the clamping grooves and the clamping buckles are both multiple, and they are one-to-one corresponding clamping. In this embodiment, the number of the clamping grooves and the clamping buckles are both four, wherein the two opposite side walls 121 of the mounting groove 12 are respectively provided with two clamping grooves, and the two opposite circumferential sides of the mounting protrusion 33 are respectively provided with two clamping buckles. By setting the number of the clamping grooves and the clamping buckles as multiple, the connection strength of the driving motor 30 and the fixing seat 10 can be improved.

[0045] In an embodiment of the embodiment, please refer to Figure 2 and Figure 3 The electric connecting piece 31 is arranged on the mounting protrusion 33, and the bottom wall of the mounting groove 12 is provided with a first through hole 101 for the electric connecting piece 31 to pass through. Specifically, the electric connecting piece 31 protrudes from the surface of the mounting protrusion 33 towards the fixing seat 10. The number of the electric connecting piece 31 is two, corresponding to the positive and negative poles respectively. The number of the first through hole 101 is also two, and the two first through holes 101 are respectively for the corresponding electric connecting piece 31 to pass through. By arranging the electric connecting piece 31 on the mounting protrusion 33 and arranging the first through hole 101 on the bottom wall of the mounting groove 12, the electric connecting piece 31 can pass through the first through hole 101 to supply power to the lamp strip during the cooperation of the mounting protrusion 33 and the mounting groove 12.

[0046] In an embodiment of the embodiment, please refer to Figure 2 , Figure 3 and Figure 7 , Figure 7 is Figure 1 a sectional view of the curtain winding and unwinding device 100. The mounting protrusion 33 is provided with an output shaft 34, and the bottom wall of the mounting groove 12 is provided with a second through hole 102 for the output shaft 34 to pass through. Specifically, the output shaft 34 protrudes from the surface of the mounting protrusion 33 towards the fixing seat 10. By arranging the output shaft 34 on the mounting protrusion 33 and arranging the second through hole 102 on the bottom wall of the mounting groove 12, the output shaft 34 can pass through the second through hole 102 to drive the curtain during the cooperation of the mounting protrusion 33 and the mounting groove 12.

[0047] In an embodiment of the embodiment, please refer to Figure 2 , Figure 3 and Figure 7 The mounting direction of the driving motor 30 and the fixing seat 10 is parallel to the axis direction of the output shaft 34, so as to facilitate the installation of the driving motor 30. Specifically, the axis directions of the first through hole 101 and the second through hole 102 are parallel, and the mounting direction of the driving motor 30 to the fixing seat 10 is parallel.

[0048] In an embodiment of the embodiment, please refer to Figure 1 ,Figure 5 and Figure 6 , Figure 5 is Figure 1 a structure diagram of the curtain winding and unwinding device 100 in a disassembled state; Figure 6 is Figure 1 a structure diagram of the curtain winding and unwinding device 100 in another state. The curtain winding and unwinding device 100 further comprises a connecting seat 40, the curtain rod 20 is installed on the connecting seat 40, the connecting seat 40 is provided with a first connecting structure 41, the fixing seat 10 is provided with a second connecting structure 15, the second connecting structure 15 cooperates with the first connecting structure 41, so that the fixing seat 10 is in the first installation state or the second installation state; when the fixing seat 10 is in the first installation state, the driving motor 30 is located at the top side of the connecting seat 40; when the fixing seat 10 is in the second installation state, the driving motor 30 is located at the bottom side of the connecting seat 40.

[0049] It can be understood that when there is an interference device (such as a socket) on the wall where the curtain winding and unwinding device 100 is installed, when the interference device is located at the bottom side of the connecting seat 40, the first connecting structure 41 and the second connecting structure 15 can be cooperated to make the fixing seat 10 in the first installation state (such as Figure 6 ), at this time the driving motor 30 is located at the top side of the connecting seat 40, so as to avoid the interference device. When the interference device is located at the top side of the connecting seat 40, the first connecting structure 41 and the second connecting structure 15 can be cooperated to make the fixing seat 10 in the second installation state (such as Figure 1 ), at this time the driving motor 30 is located at the bottom side of the connecting seat 40, so as to avoid the interference device.

[0050] By providing the first connecting structure 41 on the connecting seat 40 and the second connecting structure 15 on the fixing seat 10, and cooperating the first connecting structure 41 and the second connecting structure 15, the fixing seat 10 can be in the first installation state with the driving motor 30 located at the top side of the connecting seat 40, or in the second installation state with the driving motor 30 located at the bottom side of the connecting seat 40, so as to facilitate the user to select the relative position of the driving motor 30 according to the specific installation environment, which is beneficial to reduce the installation difficulty.

[0051] In an embodiment of the embodiment, please refer to Figure 1 , Figure 5 and Figure 6, one of the first connecting structure 41 and the second connecting structure 15 is configured as a sliding groove, and the other of the first connecting structure 41 and the second connecting structure 15 is configured as a sliding block. In this way, the fixed seat 10 can be switched between the first installation state and the second installation state by cooperation of the first connecting structure 41 and the second connecting structure 15. It can be understood that when the fixed seat 10 needs to be in the first installation state, the driving motor 30 can be located on the top side of the fixed seat 10, and then the fixed seat 10 is pushed towards the connecting seat 40, so that the sliding block slides into the sliding groove, thereby completing the installation. The driving motor 30 after installation is located on the top side of the connecting seat 40.

[0052] In the embodiment, the first connecting structure 41 is configured as a sliding groove, and the second connecting structure 15 is configured as a sliding block. In other embodiments, the first connecting structure 41 can also be configured as a sliding block, and the second connecting structure 15 can be configured as a sliding groove, which can also achieve the technical effects of the utility model.

[0053] In the embodiment, the curtain winding and unwinding device 100 further comprises a hanging wheel fastener 50, which is arranged on the bottom side of the curtain rod 20 and clamped between the curtain rod 20 and the connecting seat 40. The hanging wheel fastener 50 is used to connect the hanging wheel of the curtain to achieve the installation of one end of the curtain.

[0054] In one embodiment of the embodiment, please refer to Figure 5 and Figure 7 The connecting seat 40 is further provided with a conductive ring 42, which is annular and abuts against the electrical connecting piece 31, so that the electrical connecting piece 31 can abut against the conductive ring 42 when the fixed seat 10 is in the first installation state and the second installation state, and the conductive ring 42 supplies power to the lamp strip.

[0055] The utility model embodiment provides a kind of electric curtain equipment, and electric curtain equipment includes curtain, lamp strip and curtain winding and unwinding device 100, and curtain and lamp strip are installed in the curtain rod 20 of curtain winding and unwinding device 100. By adding the curtain winding and unwinding device 100 provided by the utility model embodiment in electric curtain equipment, the structure of electric curtain equipment is relatively simple, and cost is relatively low.

[0056] The utility model embodiment has been described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the purpose of the utility model. In addition, the embodiments and the features in the embodiments of the utility model can be combined with each other without conflict.

Claims

1. A curtain retracting and unfolding device, characterized in that: include: The fixing seat is provided with a first matching structure; A curtain rod is mounted on the fixing base and is used to mount curtains and light strips; A drive motor is used to drive the curtain to move along the curtain rod. The drive motor is provided with an electrical connector and a second matching structure. The drive motor can move toward the fixed seat so that the second matching structure and the first matching structure are engaged. The electrical connector is electrically connected to the light strip.

2. The curtain retracting and extending device according to claim 1, characterized in that: One of the first matching structure and the second matching structure is configured as a slot, and the other of the first matching structure and the second matching structure is configured as a buckle, and the buckle is engaged with the slot.

3. The curtain retracting and extending device according to claim 2, characterized in that: The fixing seat is provided with an installation groove, the first matching structure is configured as a card slot, the card slot is provided on the side wall of the installation groove, the drive motor is provided with a mounting protrusion, the second matching structure is configured as a buckle, the buckle is provided on the peripheral side of the mounting protrusion, and the mounting protrusion can extend into the installation groove so that the buckle is engaged with the card slot.

4. The curtain retracting and extending device according to claim 3, characterized in that: The buckle is provided with a hook, and the hook is spaced apart from the side of the mounting protrusion. When the mounting protrusion extends into the mounting groove, the hook can be squeezed by the side wall of the mounting groove to approach the side of the mounting protrusion until it is locked into the slot.

5. The curtain retracting and extending device according to claim 3, characterized in that: There are multiple card slots and multiple card buckles, and they are connected in a one-to-one correspondence.

6. The curtain retracting and extending device according to claim 3, characterized in that: The electrical connector is arranged on the mounting protrusion, and a first through-hole is formed on the bottom wall of the mounting groove, and the electrical connector is passed through the first through-hole.

7. The curtain retracting and extending device according to claim 3, characterized in that: The mounting protrusion is provided with an output shaft, and the bottom wall of the mounting groove is provided with a second through-hole for the output shaft to pass through.

8. The curtain retracting and extending device according to claim 7, characterized in that: The installation direction of the driving motor and the fixing seat is parallel to the axial direction of the output shaft.

9. The curtain retracting and extending device according to claim 1, wherein: The curtain retracting and releasing device also includes a connecting seat, the curtain rod is installed on the connecting seat, the connecting seat is provided with a first connecting structure, and the fixing seat is provided with a second connecting structure, the second connecting structure cooperates with the first connecting structure to enable the fixing seat to be in a first installation state or a second installation state; when the fixing seat is in the first installation state, the drive motor is located on the top side of the connecting seat; when the fixing seat is in the second installation state, the drive motor is located on the bottom side of the connecting seat.

10. An electric curtain device, characterized in that: The invention comprises a curtain, a light strip and a curtain retracting and extending device according to any one of claims 1 to 9, wherein the curtain and the light strip are both installed on a curtain rod of the curtain retracting and extending device.

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