Curtain driving device

Abstract

The utility model discloses a curtain driving device, and relates to the technical field of curtain driving. The curtain driving device comprises a U-shaped curtain rail and a hook, the U-shaped curtain rail is composed of an inner rail, an outer rail and a fixing frame, the outer rail and the inner rail are connected through the fixing frame to form a stable structure, and limiting blocks are arranged at the two ends of a U-shaped channel between the outer rail and the inner rail; the transmission mechanism is installed on the track and comprises a first inner rotating roller, a second inner rotating roller, a first outer rotating roller, a second outer rotating roller and a transmission belt, and all the parts are reasonable in layout; according to the utility model, the design of the curtain driving device effectively solves the technical problems in the prior art, and the U-shaped track can be matched with special-shaped windows such as a U-shaped window, so that the application range is widened; the transmission mechanism is matched with anti-skid lines and magnetic adsorption design, efficient transmission is achieved, it is ensured that the curtain is opened and closed stably, the equipment failure risk is reduced, and the user experience is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a curtain drive technical field, especially a curtain drive device. BACKGROUND

[0002] In the field of curtain drive technology, the existing curtain drive device has many deficiencies; most devices are only suitable for conventional shape windows, and it is difficult to achieve effective adaptation for special-shaped windows such as U-shaped windows, and cannot meet the diversified needs of different building windows; and the transmission mechanism in the prior art is prone to jamming, unstable power transmission, affecting the normal opening and closing of the curtain, and reducing the user experience; therefore, we propose a curtain drive device. UTILITY MODEL CONTENT

[0003] The main purpose of the utility model is to provide a curtain drive device, which can effectively solve the problems in the background art.

[0004] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is:

[0005] A curtain drive device, comprising a U-shaped curtain rail and a plurality of hooks, the top end of the plurality of hooks is slidingly installed on the U-shaped curtain rail, the U-shaped curtain rail comprises two mutually parallel inner rails, two mutually parallel outer rails and a plurality of fixing frames, the two outer rails are fixedly connected by the plurality of fixing frames and the two inner rails, and a U-shaped channel is provided between the inner side edges of the two outer rails and the outer side edges of the two side inner rails, and a limiting block is provided at both ends of the U-shaped channel.

[0006] A transmission mechanism is installed on the U-shaped curtain rail, the transmission mechanism comprises a plurality of first inner rollers, a plurality of second inner rollers, a plurality of first outer rollers, a plurality of second outer rollers and a transmission belt, the two ends of the first inner rollers, the second inner rollers and the first outer rollers are rotatably connected between the two inner rails, the plurality of first inner rollers are respectively arranged at the two ends of the inner rails and the positions of the straight rails of the inner rails, the plurality of first outer rollers and the plurality of second inner rollers are densely arranged at the positions of the inner rail corners, the inner ring of the transmission belt is wound and installed on the periphery of the plurality of first inner rollers and the plurality of second inner rollers, the plurality of first outer rollers are supported and arranged at the two inner bending sides of the transmission belt, the upper and lower ends of the plurality of second outer rollers are respectively rotatably installed in the two U-shaped channels, and the outer wall of the second outer roller is in contact with the outer wall of the transmission belt, the plurality of hooks are respectively rotatably connected to the lower ends of the plurality of second outer rollers, and the first inner roller at one end of the inner rail is connected with a driving mechanism below.

[0007] Preferably, the driving mechanism comprises a first universal joint and a driving rod, the top end of the driving rod is connected with the first universal joint and a first inner rotating roller, and the lower end of the driving rod is connected with a crank handle or a motor.

[0008] Preferably, a connecting seat is arranged below the driving rod, a second universal joint is arranged in the connecting seat, the upper end of the second universal joint is fixedly connected with the lower end of the driving rod, the lower end of the second universal joint is fixedly connected with the output end of a rotor of the crank handle or the motor, and one side of the motor is fixedly connected with one side of the connecting seat.

[0009] Preferably, the limiting block is detachably connected with one end of the outer rail, and the top end of the fixing frame is provided with a mounting hole.

[0010] Preferably, a magnetic strip is embeddedly arranged in the transmission belt, and the middle part of the second outer rotating roller in contact with the transmission belt is made of a permanent magnet.

[0011] Preferably, anti-skid lines are arranged on the surfaces of the inner and outer rings of the transmission belt and the peripheral surfaces of the first outer rotating roller, the second outer rotating roller, the first inner rotating roller and the second inner rotating roller.

[0012] Preferably, annular limiting grooves are coaxially arranged on the peripheries of the upper and lower ends of the second outer rotating roller, and the two sides of the annular limiting grooves are in contact connection with the inner rail and the outer rail respectively.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The utility model discloses a U-shaped curtain rail which is composed of an inner rail, an outer rail and a fixing frame. The outer rail is connected with the inner rail through the fixing frame, and the structure is stable. The mounting hole at the top end of the fixing frame facilitates the use of expansion screws to fix the rail on the wall. The mounting mode is simple and firm, and can adapt to different installation environments. Meanwhile, the limiting blocks at the two ends of the U-shaped channel are detachable, which facilitates installation and maintenance, effectively prevents the second outer rotating roller from coming off, enhances the safety and stability of the rail in use, perfectly matches the special shape of the U-shaped window, greatly widens the application range, and meets the diversified needs of different building windows, providing more choices for users.

[0015] 2. In the transmission mechanism, the first inner rotating roller, the second inner rotating roller and the first outer rotating roller are reasonably distributed. The first inner rotating rollers are arranged at the two ends of the inner rail and the straight rail position respectively, and the first outer rotating roller and the second inner rotating roller are densely arranged at the inner rail corner position. This layout makes the transmission belt evenly stressed during operation. The inner ring of the transmission belt is wound around the periphery of the first inner rotating roller and the second inner rotating roller, and the first outer rotating roller supports the two inner bending sides of the transmission belt, which guarantees the stable operation of the belt and avoids the occurrence of jamming, making the power transmission more stable.

[0016] 3. The utility model discloses, in the enhancement friction and the connection stability, the transmission belt inlayed installation magnetism strip, and the contact part of second outer roller and transmission belt is made by permanent magnet, and the connection between both is enhanced through magnetic adsorption, simultaneously, the surface of transmission belt inner and outer ring and the periphery surface of each roller are all provided with antiskid line, and the friction is further increased, a series of design ensure that the transmission belt and each roller are closely matched in the power transmission process, and the phenomenon of skidding does not appear, effectively solve the problem of unstable power transmission, realize efficient, stable power transmission.

[0017] 4. The utility model discloses a drive mechanism through the first universal joint, drive rod, second universal joint connects the handle or motor, and the user can manually operate the handle and drive the curtain, can choose the motor drive, satisfies the use habit and scene demand of different users, when power failure or motor failure, manual handle can be used as the standby drive mode, ensure that the curtain can still be normally used, the setting of universal joint can effectively compensate the angle deviation in the driving process, make power transmission more stable and accurate, improve the adaptability and reliability of drive mechanism.

[0018] 5. The utility model discloses the annular limit slot of second outer roller upper and lower two ends respectively with inner rail, outer rail contact, limited second outer roller in the transverse movement in U type channel, make it only can roll along the track, enhanced the stability of whole transmission system, reduced the swing and deflection of curtain in the movement, further guarantee the normal operation of curtain drive arrangement, prolong the service life of device. ACCURACY

[0019] Figure 1 It is the overall structure schematic drawing of the utility model;

[0020] Figure 2 It is the utility model Figure 1 A ring's close -up of the utility model;

[0021] Figure 3 It is the utility model Figure 1 B ring's close -up of the utility model;

[0022] Figure 4 It is the utility model Figure 1 C ring's close -up of the utility model;

[0023] Figure 5 It is the utility model's explosion drawing;

[0024] Figure 6 It is the utility model Figure 5 D ring's close -up of the utility model.

[0025] In the figure: 1, U-shaped curtain rail; 11, inner rail; 12, outer rail; 13, fixed frame; 131, mounting hole; 2, hook; 3, transmission mechanism; 31, transmission belt; 32, first outer roller; 33, second outer roller; 331, annular limiting groove; 34, first inner roller; 35, second inner roller; 4, limiting block; 5, driving mechanism; 51, first universal joint; 52, driving rod; 53, connecting seat; 54, second universal joint; 55, crank. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0027] As Figures 1-6 shown, a curtain driving device comprises a U-shaped curtain rail 1 and a plurality of hooks 2 for connecting the top edge of the curtain, the top end of the hook 2 is slidingly installed on the U-shaped curtain rail 1, the U-shaped curtain rail 1 is provided with a transmission mechanism 3, and the lower side of the first inner roller 34 at one end of the inner rail 11 is connected with a driving mechanism 5.

[0028] Referring to Figure 2 , the U-shaped curtain rail 1 comprises two mutually parallel inner rails 11, two mutually parallel outer rails 12 and a plurality of fixed frames 13, the two outer rails 12 are fixedly connected with the two inner rails 11 through the plurality of fixed frames 13, and the inner side edges of the two outer rails 12 and the outer side edges of the two inner rails 11 are both provided with U-shaped channels, the U-shaped channels provide rolling paths for the second outer rollers 33, the two ends of the U-shaped channels are both provided with limiting blocks 4, the limiting blocks 4 are detachably connected to one end of the outer rail 12, which prevents the second outer roller 33 from being pulled out of the U-shaped channel and plays a limiting protection role, and the top end of the fixed frame 13 is provided with a mounting hole 131, which is mainly used for mounting expansion screws to fixedly connect the fixed frame 13 and the wall.

[0029] Referring to Figure 2 , Figure 5 and Figure 6The transmission mechanism 3 comprises a plurality of first inner rotating rollers 34, a plurality of second inner rotating rollers 35, a plurality of first outer rotating rollers 32, a plurality of second outer rotating rollers 33 and a transmission belt 31. The two ends of the first inner rotating rollers 34, the second inner rotating rollers 35 and the first outer rotating rollers 32 are rotatably connected between the two inner rails 11. The plurality of first inner rotating rollers 34 are arranged at the positions of the two ends of the inner rail 11 and the straight rail of the inner rail 11. The plurality of first outer rotating rollers 32 and the plurality of second inner rotating rollers 35 are densely arranged at the positions of the corners of the inner rail 11. The inner ring of the transmission belt 31 is wound around the periphery of the plurality of first inner rotating rollers 34 and the plurality of second inner rotating rollers 35. The plurality of first outer rotating rollers 32 are supported and arranged at the two inner curved sides of the transmission belt 31, thereby supporting and guiding the operation of the transmission belt 31. The upper and lower ends of the plurality of second outer rotating rollers 33 are rotatably arranged in the two U-shaped channels, and the outer wall of the second outer rotating roller 33 is in contact with the outer wall of the transmission belt 31. The plurality of hooks 2 are rotatably connected to the lower ends of the plurality of second outer rotating rollers 33. When the transmission belt 31 rotates, the second outer rotating rollers 33 are driven to roll in the U-shaped channels by the friction force, thereby driving the hooks 2 and the curtains connected thereto to move, so as to realize the opening and closing of the curtains.

[0030] With reference to Figure 1 , Figure 3 , Figure 4 and Figure 5 The lower end of the first inner rotating roller 34 at one end of the inner rail 11 is connected with a driving mechanism 5. The driving mechanism 5 comprises a first universal joint 51 and a driving rod 52. The top end of the driving rod 52 is connected with the first inner rotating roller 34 through the first universal joint 51. The lower end of the driving rod 52 is provided with a connecting seat 53, which is fixedly installed on the wall. The connecting seat 53 is provided with a second universal joint 54. The upper end of the second universal joint 54 is fixedly connected with the lower end of the driving rod 52. The lower end of the second universal joint 54 is fixedly connected with a handle 55 or the output end of a rotor of a motor. One side of the motor is fixedly connected with one side of the connecting seat 53. The lower end of the driving rod 52 is connected with the handle 55 or the motor. When the handle 55 rotates or the motor starts, the power is transmitted to the first inner rotating roller 34 through the second universal joint 54, the driving rod 52 and the first universal joint 51, thereby driving the transmission belt 31 to rotate.

[0031] It needs to be supplemented that the magnetic strip is embedded in the transmission belt 31, the middle part of the second outer roller 33 and the part of the transmission belt 31 in contact with each other are made of permanent magnets, the connection stability between the transmission belt 31 and the second outer roller 33 is enhanced through magnetic adsorption, the reliability of power transmission is ensured, the inner and outer ring surfaces of the transmission belt 31 and the peripheral surfaces of the first outer roller 32, the second outer roller 33, the first inner roller 34 and the second inner roller 35 are all provided with anti-skid lines, the anti-skid lines further improve the friction force in the transmission process, prevent the occurrence of the skidding phenomenon, ensure the normal operation of the curtain driving device, the peripheral of the upper and lower ends of the second outer roller 33 is coaxially provided with the annular limiting groove 331, and the two sides of the annular limiting groove 331 are respectively in contact with the inner rail 11 and the outer rail 12, the annular limiting groove 331 can limit the transverse movement of the second outer roller 33 in the U-shaped channel, so that the second outer roller 33 can stably roll along the U-shaped channel.

[0032] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, under the premise of not departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements all fall into the scope of the utility model claimed to be protected. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A curtain driving device, comprising a U-shaped curtain track (1) and a plurality of hooks (2), wherein the top ends of the plurality of hooks (2) are slidably mounted on the U-shaped curtain track (1), characterized in that: The U-shaped curtain track (1) includes two parallel inner rails (11), two parallel outer rails (12), and several fixing brackets (13). The two outer rails (12) are fixedly connected to the two inner rails (11) through several fixing brackets (13). A U-shaped channel is provided between the inner edge of the two outer rails (12) and the outer edge of the two inner rails (11). Limiting blocks (4) are provided at both ends of the U-shaped channel. A transmission mechanism (3) is installed on the U-shaped curtain track (1). The transmission mechanism (3) includes several first inner rotating rollers (34), several second inner rotating rollers (35), several first outer rotating rollers (32), several second outer rotating rollers (33), and a transmission belt (31). The two ends of the first inner rotating rollers (34), the second inner rotating rollers (35), and the first outer rotating rollers (32) are rotatably connected between two inner rails (11). Several first inner rotating rollers (34) are respectively arranged at both ends of the inner rails (11) and at the position of the straight rail of the inner rails (11). Several first outer rotating rollers (32) and several second inner rotating rollers (35) are densely arranged on the inner rails (11). 11) At the corner position, the inner ring of the transmission belt (31) is wound around the periphery of several first inner rotating rollers (34) and several second inner rotating rollers (35). Several first outer rotating rollers (32) are supported on the two inner curved sides of the transmission belt (31). The upper and lower ends of several second outer rotating rollers (33) are respectively rolled in two U-shaped channels, and the outer wall of the second outer rotating rollers (33) is in contact with the outer wall of the transmission belt (31). Several hooks (2) are respectively rotatably connected to the lower ends of several second outer rotating rollers (33). A drive mechanism (5) is connected below the first inner rotating roller (34) at one end of the inner rail (11).

2. The curtain driving device according to claim 1, characterized in that: The drive mechanism (5) includes a first universal joint (51) and a drive rod (52). The top end of the drive rod (52) is connected to the first inner roller (34) through the first universal joint (51), and the lower end of the drive rod (52) is connected to a crank (55) or a motor.

3. The curtain driving device according to claim 2, characterized in that: A connecting seat (53) is provided below the drive rod (52), and a second universal joint (54) is provided inside the connecting seat (53). The upper end of the second universal joint (54) is fixedly connected to the lower end of the drive rod (52), and the lower end of the second universal joint (54) is fixedly connected to the crank handle (55) or the output end of the rotor in the motor. One side of the motor is fixedly connected to one side of the connecting seat (53).

4. The curtain driving device according to claim 1, characterized in that: The limiting block (4) is detachably connected to one end of the outer rail (12), and the top of the fixing frame (13) is provided with a mounting hole (131).

5. The curtain driving device according to claim 1, characterized in that: A magnetic strip is embedded in the transmission belt (31), and the middle part of the second outer roller (33) and the part in contact with the transmission belt (31) are made of permanent magnets.

6. The curtain driving device according to claim 1, characterized in that: Anti-slip patterns are provided on the inner and outer ring surfaces of the transmission belt (31) and the outer surfaces of the first outer roller (32), the second outer roller (33), the first inner roller (34), and the second inner roller (35).

7. The curtain driving device according to claim 1, characterized in that: The outer roller (33) has an annular limiting groove (331) coaxially arranged on both the upper and lower ends of the second outer roller (33), and the two sides of the annular limiting groove (331) are respectively in contact with the inner rail (11) and the outer rail (12).

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