Electric folding curtain and driving device thereof

Abstract

The utility model discloses an electric curtain of a folding curtain and a driving device of the electric curtain, which are free of punching and wiring during installation and convenient to operate. Wherein the driving device comprises a shell, and a micro motor, a reel, a shaft seat, a swing block, a circuit board, a microswitch, a control rope, a rotation stopping plate and a spring which are mounted in the shell; the reel is in transmission connection with the micro motor; the swing block is connected in the shaft seat in a swing mode, a pull rod is arranged in the swing block, and a pressing rod is arranged on the side face of the swing block. The microswitch is fixed on the circuit board, and an elastic piece of the microswitch abuts against the peripheral face of the pressing rod. The circuit board is electrically connected with the micro motor through the microswitch; one end of the control rope is wound on the reel, and the other end of the control rope bypasses the pull rod and penetrates out of the shell; when the control rope is in a tightened state, the swing block is pulled to swing, so that the pressing rod presses the elastic piece to enable a circuit between the circuit board and the micro motor to be connected. The rotation stopping plate is connected into the shaft seat in a swinging mode, and the spring acts on one end of the rotation stopping plate so that the other end of the rotation stopping plate can abut against the reel.

Description

Technical Field

[0001] The utility model relates to the technical field of electric curtains, in particular to a folding electric curtain and a driving device thereof. Background Art

[0002] Folding electric curtains are a kind of household products that combine modern smart home technology with the functions of traditional curtains. They not only provide the shading and privacy protection functions of traditional curtains, but their intelligent and automated operation also greatly improves the comfort and convenience of living. The curtain blades of folding electric curtains adopt a folding design, which can be stacked layer by layer when opened to save space, and are neat and beautiful when closed; it uses an electric drive system to make the opening and closing of curtains more convenient, intelligent and efficient.

[0003] The folding electric curtains in the prior art are usually controlled by a remote control or a mobile phone APP, and the remote control or mobile phone needs to be found when controlling, which is still not convenient enough and inconvenient to operate; moreover, the existing products basically need to be installed by drilling holes in the wall and wiring is required, which is inconvenient to install. Utility Model Content

[0004] The utility model aims to provide a folding curtain electric curtain and a driving device thereof, which can solve the problems existing in the prior art, and can be conveniently installed and used without punching or wiring.

[0005] In order to achieve the above object, one of the solutions of the utility model is:

[0006] A driving device comprises a shell, and a micro motor, a winding wheel, an axle seat, a pendulum block, a circuit board, a micro switch, a control rope, a stop plate and a spring installed in the shell; the winding wheel is drivingly connected to the micro motor; the pendulum block is swingably connected in the axle seat, a pull rod is arranged in the axle seat, and a pressure rod is arranged on the side of the pendulum block; the micro switch is fixed on the circuit board, and its elastic sheet abuts against the circumference of the pressure rod; the circuit board is electrically connected to the micro motor through the micro switch; one end of the control rope is wound around the winding wheel, and the other end of the control rope bypasses the pull rod and passes through the shell; when the control rope is in a taut state, it pulls the pendulum block to swing, so that the pressure rod presses the elastic sheet and the circuit between the circuit board and the micro motor is connected; the stop plate is swingably connected in the axle seat, and the spring acts on one end of the stop plate to make the other end abut against the winding wheel.

[0007] The output end of the micro motor is provided with a reduction gear set, and the output end of the reduction gear set is provided with a rotating shaft for key connection of the winding wheel.

[0008] The shaft seat is provided with a winding rod for the control rope to wind around, and the winding rod and the pull rod are respectively located on both sides of the control rope.

[0009] The circuit board is arranged on the side of the micro motor.

[0010] The spring is arranged in the shaft seat, the shaft seat is provided with a positioning groove for the spring end to cooperate with, and one end of the anti-rotation plate is provided with a positioning column for the spring end to cooperate with.

[0011] Preferably, the pendulum block is arranged on the side of the spring, and the pendulum block is provided with a making way groove for making way for the spring.

[0012] The housing comprises an upper cover and a lower cover which are detachably connected.

[0013] The second solution of the utility model is:

[0014] A folding electric curtain comprises the driving device, a control device with a built-in power supply, a base shell, curtain cloth, a plate and adhesive backing; the driving device and the control device are both installed in the base shell; the control rope is passed through the curtain cloth and connected to the lower surface of the plate; the adhesive backing is arranged on the upper surface of the plate.

[0015] The control device is a touch control mechanism, and the base casing is provided with a touch point opposite to the control device.

[0016] The driving devices are provided in two groups and are symmetrically arranged on both sides of the control device.

[0017] After adopting the above technical solution, the utility model has the following technical effects:

[0018] (1) The driving device of the utility model controls the circuit between the circuit board and the micro motor through the micro switch and the swing block arranged in the housing; when the control rope is pulled down by the weight of the driving device itself and is in a taut state, the swing block can be pulled to move toward the winding wheel, so that the pressure rod on the swing block presses the spring of the micro switch, the circuit is connected, and the micro motor starts to work; during the raising and lowering process of the electric curtain, when the user lifts the curtain box installed with the driving device by hand, the control rope becomes loose, the swing block resets under the elastic force of the spring, the micro switch is released, the circuit is disconnected, and the micro motor stops working;

[0019] (2) When the micro motor stops working, the anti-rotation plate presses the winding wheel to prevent it from rotating, thereby keeping the curtain fixed at any height;

[0020] (3) The utility model adopts a micro motor for driving, does not need mains electricity as a power source, can be powered by batteries, does not require wiring, and is easy to install;

[0021] (4) The driving device of the utility model can be used in conjunction with a control device in a curtain box. The control device controls the start of the micro motor to achieve forward rotation, reverse rotation and stop rotation. The driving device itself cuts off the power of the micro motor to stop it at any position during the raising and lowering process of the curtain. The operation is convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional diagram of the driving device of the utility model;

[0023] Figure 2 This is an exploded view of the drive device of the utility model;

[0024] Figure 3 It is a partial structural stereogram of the driving device of the utility model;

[0025] Figure 4 It is a cross-sectional view of the driving device of the utility model;

[0026] Figure 5 It is a three-dimensional diagram of the folding state of the folding electric curtain of the utility model;

[0027] Figure 6 This is an exploded view of the utility model folding curtain electric curtain;

[0028] Figure 7 This is a three-dimensional diagram of the unfolded state of the folding electric curtain of the utility model;

[0029] Description of Figure Numbers:

[0030] 1-housing; 11-upper cover; 12-lower cover; 2-micro motor; 3-winding wheel; 4-axle seat; 41-winding rod; 42-positioning slot; 5-swing block; 51-pull rod; 52-pressure rod; 53-giving slot; 6-circuit board; 7-micro switch; 71-spring; 8-control rope; 9-stop plate; 91-positioning column; 10-spring; 20-reduction gear set; 30-rotating shaft; 40-control device; 50-base shell; 501-touch point; 60-curtain cloth; 70-plate material; 80-back glue; a-first swing axis; b-second swing axis. DETAILED DESCRIPTION

[0031] In order to further explain the technical solution of the present utility model, the present utility model is described in detail below through specific embodiments.

[0032] refer to Figure 1-4As shown, the utility model discloses a driving device, including a housing 1, and a micro motor 2, a winding wheel 3, an axle seat 4, a pendulum block 5, a circuit board 6, a micro switch 7, a control rope 8, a stop plate 9 and a spring 10 installed in the housing 1;

[0033] The winding wheel 3 is transmission-connected with the micro motor 2;

[0034] The swing block 5 is swingably connected in the shaft seat 4 via the first swing axis a, a pull rod 51 is arranged in the shaft seat 4, and a pressure rod 52 is arranged on the side of the swing block 5;

[0035] The micro switch 7 is fixed on the circuit board 6, and its spring piece 71 abuts against the peripheral surface of the pressure rod 52; the circuit board 6 is electrically connected to the micro motor 2 through the micro switch 7;

[0036] One end of the control rope 8 is wound around the winding wheel 3, and the other end of the control rope 8 is wound around the pull rod 51 and passes through the housing 1 so as to be fixed to the mounting surface of the electric curtain; when the control rope 8 is in a taut state, it pulls the swing block 5 to swing, so that the pressure rod 52 presses the spring sheet 71 to connect the circuit between the circuit board 6 and the micro motor 2;

[0037] The anti-rotation plate 9 is swingably connected in the shaft seat 4 via the second swing shaft b, and the spring 10 acts on one end of the anti-rotation plate 9 to make the other end thereof abut against the winding wheel 3.

[0038] Through the above scheme, the driving device of the utility model controls the circuit between the circuit board 6 and the micro motor 2 through the micro switch 7 and the pendulum block 5 arranged in the shell 1; when the control rope 8 is pulled down by the weight of the driving device itself and is in a taut state, the pendulum block 5 can be pulled to move toward the direction of the winding wheel 3, so that the pressure rod 52 on the pendulum block 5 presses the spring piece 71 of the micro switch 7, so that the circuit is connected and the micro motor 2 starts to work; in the process of raising and lowering the electric curtain, when the user lifts the curtain box installed with the driving device by hand, the control rope 8 becomes loose, the pendulum block 5 is reset under the elastic force of the spring piece 71, and the micro switch 7 is released. The circuit is disconnected, so that the micro motor 2 stops working; when the micro motor 2 stops working, the anti-rotation plate 9 presses the winding wheel 3 to prevent it from rotating, thereby keeping the curtain fixed at any height; the utility model adopts the micro motor 2 for driving, does not need mains electricity as a power source, can be powered by a battery, does not need wiring, and is easy to install; the driving device of the utility model can be used in conjunction with the control device in the curtain box, the control device controls the start of the micro motor 2 to realize forward rotation, reverse rotation and stop rotation, and the driving device itself realizes the power off of the micro motor 2 to stop it at any position during the lifting and lowering process of the curtain, which is convenient and quick to operate.

[0039] In some embodiments of the above-mentioned driving device, a reduction gear set 20 is provided at the output end of the above-mentioned micro motor 2, thereby increasing the torque output by the micro motor 2 to the winding wheel 3; a rotating shaft 30 for key connection of the winding wheel 3 is provided at the output end of the reduction gear set 20.

[0040] The shaft seat 4 is provided with a winding rod 41 for the control rope 8 to wind around, and the winding rod 41 and the pull rod 51 are respectively located on both sides of the control rope 8.

[0041] In some embodiments of the driving device, the circuit board 6 is disposed on the side of the micro motor 2 to make the product structure more compact.

[0042] In some embodiments of the above-mentioned driving device, the above-mentioned spring 10 is arranged in the shaft seat 4, and the shaft seat 4 is provided with a positioning groove 42 for the end of the spring 10 to cooperate with, and one end of the anti-rotation plate 9 is provided with a positioning column 91 for the end of the spring 10 to cooperate with to prevent the spring 10 from shifting.

[0043] Furthermore, the pendulum block 5 is arranged on the side of the spring 10, and the pendulum block 5 is provided with a clearance groove 53 for the spring 10, so that the pendulum block 5 does not contact the spring 10 during the swinging process, and the structure of the product can also be designed to be more compact.

[0044] In some embodiments of the driving device, the housing 1 includes a detachably connected upper cover 11 and a lower cover 12 to facilitate installation of internal parts.

[0045] In some embodiments of the above-mentioned drive device, the above-mentioned shaft seat 4 is generally an accessory independent of the housing 1, which is convenient for independent molding of its corresponding shape and structure. However, in some embodiments, the shaft seat 4 can also be directly integrally molded with the housing 1.

[0046] refer to Figure 5-7 As shown, the utility model also discloses a folding electric curtain, comprising the above-mentioned driving device, and a control device 40 with a built-in power supply, a base shell 50, a curtain fabric 60, a plate 70 and a backing adhesive 80;

[0047] The driving device and the control device 40 are both mounted in the base casing 50;

[0048] The control rope 8 is passed through the curtain fabric 60 and connected to the lower surface of the plate 70;

[0049] The adhesive 80 is disposed on the upper surface of the plate 70 .

[0050] By using the adhesive backing 80, the folding electric curtain can be conveniently attached directly to the top of the window to complete the installation. With the control device 40 with a built-in power supply, it is unnecessary to perform complicated operations such as punching and wiring, and the user can install it conveniently and quickly.

[0051] In some embodiments of the folding electric curtain, the control device 40 is a touch control mechanism, and the base shell 50 is provided with a touch point 501 opposite to the control device 40 .

[0052] In some embodiments of the folding electric curtain, two groups of the driving devices are provided and are symmetrically arranged on both sides of the control device 40 .

[0053] The working principle of the above folding electric curtain is that when the user operates the touch point 501 to make the micro motor 2 rotate forward to raise the curtain, or to make the micro motor 2 rotate backward to lower the curtain, there are the following three situations:

[0054] (1) If the user does not perform any subsequent operation, the curtain rises to the top, the base housing 50 stops rising, and the micro motor 2 is stuck, triggering a stall current, causing the micro motor 2 to lose power and stop working;

[0055] (2) If the user does not perform any subsequent operation, the curtain is lowered to the bottom, and the base housing 50 is supported by the window sill, so that the control rope 8 becomes loose, and the spring piece 71 of the micro switch 7 is released, thereby cutting off the power supply of the micro motor 2 and stopping working;

[0056] (3) When the curtain is rising or falling and has not reached the travel range, if the user lifts the base housing 50 by hand, the control rope 8 becomes loose, and the spring piece 71 of the micro switch 7 is released, thereby cutting off the power to the micro motor 2 and stopping the operation, thus completing the operation of the user manually "stopping" the raising and lowering of the curtain fabric.

[0057] The above embodiments and drawings do not limit the product form and style of the present utility model. Any appropriate changes or modifications made by ordinary technicians in the relevant technical field should be deemed to be within the patent scope of the present utility model.

Claims

1. A driving device, characterized in that: It includes a housing, and a micro motor, a winding wheel, an axle seat, a pendulum block, a circuit board, a micro switch, a control rope, a stop plate and a spring installed in the housing; The winding wheel is drivingly connected to the micro motor; The pendulum block is swingably connected in the shaft seat, a pull rod is arranged in the shaft seat, and a pressure rod is arranged on the side of the pendulum block; The micro switch is fixed on the circuit board, and its spring piece abuts against the peripheral surface of the pressure rod; the circuit board is electrically connected to the micro motor through the micro switch; One end of the control rope is wound around the winding wheel, and the other end of the control rope is wound around the pull rod and passes through the housing; when the control rope is in a taut state, it pulls the swing block to swing, so that the pressure rod presses the spring sheet to connect the circuit between the circuit board and the micro motor; The anti-rotation plate is swingably connected in the shaft seat, and the spring acts on one end of the anti-rotation plate to make the other end of the anti-rotation plate abut against the winding wheel.

2. The driving device according to claim 1, characterized in that: The output end of the micro motor is provided with a reduction gear set, and the output end of the reduction gear set is provided with a rotating shaft for key connection of the winding wheel.

3. The driving device according to claim 1, characterized in that: The shaft seat is provided with a winding rod for the control rope to wind around, and the winding rod and the pull rod are respectively located on both sides of the control rope.

4. The driving device according to claim 1, characterized in that: The circuit board is arranged on the side of the micro motor.

5. The driving device according to claim 1, characterized in that: The spring is arranged in the shaft seat, the shaft seat is provided with a positioning groove for the spring end to cooperate with, and one end of the anti-rotation plate is provided with a positioning column for the spring end to cooperate with.

6. The driving device according to claim 5, characterized in that: The pendulum block is arranged on the side of the spring, and the pendulum block is provided with a making way groove for making way for the spring.

7. The driving device according to claim 1, characterized in that: The housing comprises an upper cover and a lower cover which are detachably connected.

8. A folding electric curtain, characterized in that It comprises a driving device as claimed in any one of claims 1 to 7, and a control device with a built-in power supply, a base shell, a curtain fabric, a plate and a backing adhesive; The driving device and the control device are both installed in the base casing; The control rope is passed through the curtain fabric and connected to the lower surface of the plate; The adhesive backing is arranged on the upper surface of the plate.

9. The folding electric curtain according to claim 8, characterized in that: The control device is a touch control mechanism, and the base casing is provided with a touch point opposite to the control device.

10. The folding electric curtain according to claim 8, characterized in that: The driving devices are provided in two groups and are symmetrically arranged on both sides of the control device.

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