Double-transmission-rod winding rope linkage structure of day and night curtain

By using a dual-axis motor cross-drive rod structure, the problem of inconsistent transmission speed when the day and night curtains are long is solved, achieving synchronous operation and transmission stability of the rope winder and improving the user experience.

CN223689608UActive Publication Date: 2025-12-19HANGZHOU WISTAR MECHANICAL& ELECTRIC TECH CO LTD
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Patent Information

Application Number
CN202423234132.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-12-19
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

The existing single-drive rod transmission method is prone to causing inconsistent transmission speeds at both ends when the day and night curtains are long, affecting synchronous operation and resulting in a poor user experience.

Method used

A dual-axis motor drives two transmission rods, which are connected to multiple rope winders through a cross-drive method to ensure synchronous operation. The transmission stability and synchronization are improved by the rope winder transmission gear set and the rod rotation transmission assembly.

Benefits of technology

It enables the synchronous operation of multiple rope winders, improving transmission stability and synchronization, and enhancing the operational stability and user experience of the day and night curtains.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a double-transmission-rod winding rope linkage structure of a day and night curtain. The technical problem that two ends of an existing day and night curtain cannot be synchronously driven is solved. Comprising a double-shaft motor with output shafts at the two ends, at least two rope winders are arranged at the two ends of the double-shaft motor, two transmission rod bodies are arranged on the outer side of the double-shaft motor in the circumferential direction, the two transmission rod bodies sequentially penetrate through the rope winders, one end of the double-shaft motor is in transmission connection with one transmission rod body, and the other end of the double-shaft motor is in transmission connection with the other transmission rod body. One end of one transmission rod body is in transmission connection with the rope winders which are located on the outer side of one end of the double-shaft motor and are located at even positions in the rope winders which are arranged in the direction gradually away from the double-shaft motor; and the other end of the transmission rod body is in transmission connection with rope winders which are located at odd number positions in the rope winders which are located on the outer side of the other end of the double-shaft motor and are arranged in the direction gradually away from the double-shaft motor. The double-shaft motor has the advantages that the double-shaft motor can drive the rope winders at the two ends in a crossed mode through the two transmission rod bodies, and the transmission synchronization effect can be guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of curtain transmission equipment, and particularly relates to a double transmission rod rope winding linkage structure of a day and night curtain. BACKGROUND

[0002] With the market share of day and night curtains being higher and higher, people's demand for day and night curtains is also higher and higher; most of the existing day and night curtains currently adopt single transmission rod transmission, and the curtain motor synchronously drives the two end rope winders through the transmission rod; however, the transmission mode of the existing single transmission rod can only be applied to day and night curtains with small length, and when the length of the day and night curtain is too large, the curtain motor synchronously drives the two ends through the single transmission rod, but the single transmission rod is prone to causing inconsistent transmission rates of the two ends, thereby causing the two ends of the curtain to fail to synchronously operate, and affecting the user experience. SUMMARY

[0003] The utility model aims at the above -mentioned problem, provides a double transmission rod rope winding linkage structure of a day and night curtain.

[0004] In order to achieve the above object, the utility model adopts the following technical scheme: the utility model relates to a double transmission rod rope winding linkage structure of a day and night curtain, which comprises a double-shaft motor with output shafts at two ends, and at least two rope winders are sequentially arranged on the outer sides of the two ends of the double-shaft motor, characterized in that two axially extending transmission rod bodies are arranged on the circumferential outer side of the double-shaft motor, both transmission rod bodies sequentially pass through each rope winder located on the outer sides of the two ends of the double-shaft motor, the output shaft at one end of the double-shaft motor is connected in transmission with one of the transmission rod bodies, and the output shaft at the other end is connected in transmission with the remaining one of the transmission rod bodies, one end of any one of the transmission rod bodies is sequentially connected in transmission with an even-numbered rope winder located on the outer side of one end of the double-shaft motor and arranged in a direction gradually away from the double-shaft motor, and the other end of the transmission rod body is sequentially connected in transmission with an odd-numbered rope winder located on the outer side of the other end of the double-shaft motor and arranged in a direction gradually away from the double-shaft motor, the two motors in the double-shaft motor can cross each other to drive the rope winders at the two ends, can ensure that the plurality of rope winders synchronously operate in the operation process, and can ensure the operation stability.

[0005] In the double transmission rod rope winding linkage structure of a day and night curtain, the number of the rope winders on the outer sides of the two ends of the double-shaft motor is two and they are located on the same horizontal plane, which can facilitate the double-shaft motor to synchronously drive the rope winders at the two ends and ensure the synchronous operation effect of the rope winders.

[0006] In the double transmission rod rope winding linkage structure of a day and night curtain, the lengths of the two transmission rod bodies are equal, the transmission rod bodies are aligned and arranged in parallel at the two ends, which can ensure the transmission synchronism between the two transmission rod bodies and the transmission effect.

[0007] In the double transmission rod rope winding linkage structure of the day and night curtain, the two ends of the double-shaft motor are respectively provided with transmission boxes, the transmission rod bodies are respectively penetrated through the transmission boxes, and the two transmission rod bodies are respectively connected with different output shafts through rod body rotation transmission assemblies, the double-shaft motor can drive the transmission rod bodies to transmit through the rod body rotation transmission assemblies, the transmission effect between the double-shaft motor and the transmission rod bodies is improved, the rod body rotation transmission assemblies can be protected through the transmission boxes, and the service life of the rod body rotation transmission assemblies is improved.

[0008] In the double transmission rod rope winding linkage structure of the day and night curtain, the rod body rotation transmission assembly comprises an output gear arranged in the transmission box and connected with the output shaft, and the transmission rod bodies are respectively provided with rod body drive gears arranged in different transmission boxes and meshed with the output gears on the different output shafts, the output shaft can drive the transmission rod bodies to transmit through the output gears and the rod body drive gears, and the transmission effect is ensured.

[0009] In the double transmission rod rope winding linkage structure of the day and night curtain, the rope winding device comprises a rope winding device shell, a rope winding wheel is rotationally arranged in the rope winding device shell, one end of the rope winding device shell is provided with a rope winding transmission gear set connected with the rope winding wheel, the two transmission rod bodies are axially penetrated through the respective rope winding device shells, the rope winding transmission gear sets in the two adjacent rope winding devices on the same end of the outer side of the double-shaft motor are connected with different transmission rod bodies, the transmission rod bodies can drive the rope winding transmission gear sets to rotate, the rope winding transmission gear sets can drive the rope winding wheel to rotate, the rotation effect of the rope winding wheel is ensured, and then the curtain body lifting effect is ensured.

[0010] In the double transmission rod rope winding linkage structure of the day and night curtain, the rope winding transmission gear set comprises a rope winding transmission gear arranged in the inside of one end of the rope winding device shell and coaxially connected with the rope winding wheel, a rod body transmission gear is arranged on the lower side of the rope winding transmission gear and meshed with the rope winding transmission gear, and the rod body transmission gear is connected with one of the transmission rod bodies, the coaxially arranged rope winding transmission gear can facilitate synchronous rotation with the rope winding wheel, and the rod body transmission gear can rotate along with the transmission rod body to drive the rope winding transmission gear to rotate, and the transmission effect is ensured.

[0011] In the double transmission rod rope winding linkage structure of the day and night curtain, the transmission rod body is non-circular in cross section, and the centers of the rod body drive gear and the rod body transmission gear are provided with positioning holes through which the transmission rod body penetrates and which are matched with the cross section of the transmission rod body, the rod body drive gear and the rod body transmission gear can be fixedly connected with the transmission rod body through the positioning holes, the installation efficiency is improved, and the non-circular transmission rod body can improve the carrying capacity and ensure the transmission stability.

[0012] In the double transmission rod rope winding linkage structure of the day and night curtain, the rope winding transmission gear sets of the two rope winding devices on the same outer side of the double-shaft motor are respectively located at the ends away from each other of the two rope winding devices, so that the transmission range of the rope winding transmission gear sets is improved, and the synchronous transmission effect of the whole curtain is ensured.

[0013] In the double transmission rod rope winding linkage structure of the day and night curtain, the rope winding transmission gear sets of the two rope winding devices on the same outer side of the double-shaft motor are respectively located at the ends away from each other of the two rope winding devices, so that the transmission range of the rope winding transmission gear sets is improved, and the synchronous transmission effect of the whole curtain is ensured.

[0014] Compared with the prior art, the double-shaft motor has the following advantages:

[0015] 1. The double motors in the double-shaft motor can cross-transmit the two end rope winding devices through the two transmission rods, so that the transmission synchronization effect of the rope winding device is ensured.

[0016] 2. The transmission effect is improved, and the transmission stability is ensured through the rope winding transmission gear set and the rod body rotation transmission assembly.

[0017] 3. The rod body driving gear and the rod body transmission gear are fixedly connected with the transmission rod body through the positioning hole, so that the installation efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic view of the utility model;

[0019] Figure 2 is a structural schematic view of the utility model in a partially enlarged manner;

[0020] Figure 3 is a structural schematic view of the rod body rotation transmission assembly in the utility model.

[0021] In the figure: double-shaft motor 1, output shaft 11, rope winding device 2, rope winding device shell 21, rope winding wheel 22, rope winding transmission gear set 23, rope winding transmission gear 231, rod body transmission gear 232, transmission rod 3, transmission box 4, rod body rotation transmission assembly 5, output gear 51, rod body driving gear 52, positioning hole 6. DETAILED DESCRIPTION

[0022] The utility model will be further explained in detail in combination with the drawings and specific embodiments.

[0023] As Figure 1 , Figure 2As shown in the figure, a double transmission rod rope winding linkage structure of a day and night curtain, comprising a double shaft motor 1 having an output shaft 11 at each end, which can improve the driving capacity and ensure the driving stability, and at least two rope winders 2 are arranged in sequence on the outer side of the two ends of the double shaft motor 1, which can drive multiple rope winders 2 and ensure the driving stability of the rope winders 2, and two axially extending transmission rod bodies 3 are arranged on the circumferential outer side of the double shaft motor 1, both of which pass through each of the rope winders 2 on the outer side of the two ends of the double shaft motor 1 in sequence, the output shaft 11 at one end of the double shaft motor 1 is connected in transmission with one of the transmission rod bodies 3, and the output shaft 11 at the other end is connected in transmission with the remaining one of the transmission rod bodies 3, one end of any one of the transmission rod bodies 3 is connected in transmission with the even-numbered one of the rope winders 2 arranged on the outer side of one end of the double shaft motor 1 and gradually away from the double shaft motor 1, and the other end of the transmission rod body 3 is connected in transmission with the odd-numbered one of the rope winders 2 arranged on the outer side of the other end of the double shaft motor 1 and gradually away from the double shaft motor 1, the motor at one end of the double shaft motor 1 can simultaneously drive the even-numbered one of the rope winders 2 arranged in the direction gradually away from the double shaft motor 1 and the odd-numbered one of the rope winders 2 arranged on the outer side of the motor at the other end of the double shaft motor 1 and gradually away from the double shaft motor 1, and the two motors in the double shaft motor 1 can cross each other to drive the rope winders 2 at both ends, which can ensure that multiple rope winders 2 run synchronously during operation and ensure the running stability.

[0024] Specifically, the number of rope winders 2 on the outer side of both ends of the double shaft motor 1 is two and they are located on the same horizontal plane, which can facilitate the synchronous driving of the rope winders 2 at both ends by the double shaft motor 1 and ensure the synchronous running effect of the rope winders 2.

[0025] Among them, the lengths of the two transmission rod bodies 3 are equal, the two ends of the transmission rod body 3 are aligned and arranged parallel to each other, which ensures the transmission synchronization between the two transmission rod bodies 3 and ensures the transmission effect.

[0026] As shown in the figure, Figure 1 , Figure 2 , Figure 3 As shown in the figure, the double shaft motor 1 is provided with a transmission box body 4 at each end, the transmission rod body 3 penetrates the transmission box body 4, and the two transmission rod bodies 3 are connected to different output shafts 11 through rod body rotating transmission assemblies 5, which can drive the transmission rod body 3 to rotate by the double shaft motor 1, improve the transmission effect between the double shaft motor 1 and the transmission rod body 3, and the transmission box body 4 can protect the rod body rotating transmission assembly 5, prolonging the service life of the rod body rotating transmission assembly 5.

[0027] Further, the rod body rotating transmission assembly 5 comprises an output gear 51 arranged in the transmission box 4 and connected with the output shaft 11, and the rod body 3 is respectively provided with a rod body driving gear 52 arranged in different transmission boxes 4 and engaged with the output gear 51 on the output shaft 11, so that the output shaft 11 can drive the rod body 3 to transmit, thereby ensuring the transmission effect.

[0028] The rope winding device 2 comprises a rope winding device shell 21, and a rope winding wheel 22 is rotationally arranged in the rope winding device shell 21. A rope is wound around the rope winding wheel 22 and is arranged to control the lifting of the curtain. The direction of rotation of the rope winding wheel 22 can control the lifting of the curtain. The rope winding device shell 21 has a rope winding transmission gear set 23 connected with the rope winding wheel 22 at one end. The two transmission rods 3 are axially arranged in each of the rope winding device shells 21. The rope winding transmission gear sets 23 in the two adjacent rope winding devices 2 on the same side of the double-shaft motor 1 are connected with different transmission rods 3. The transmission rod 3 can drive the rope winding transmission gear set 23 to rotate. The rope winding transmission gear set 23 can drive the rope winding wheel 22 to rotate, thereby ensuring the rotation effect of the rope winding wheel 22 and the lifting effect of the curtain.

[0029] As shown in Figure 2 , Figure 3 , the rope winding transmission gear set 23 comprises a rope winding transmission gear 231 arranged in the rope winding device shell 21 at one end and coaxially connected with the rope winding wheel 22. The rope winding transmission gear 231 is provided with a rod body transmission gear 232 engaged with the rope winding transmission gear 231 at the lower side. The rod body transmission gear 232 is connected with one of the transmission rods 3. The coaxially arranged rope winding transmission gear 231 can facilitate synchronous rotation with the rope winding wheel 22. The rod body transmission gear 232 can rotate with the transmission rod 3 to drive the rope winding transmission gear 231 to rotate, thereby ensuring the transmission effect.

[0030] The transmission rod 3 has a non-circular cross-section, and the centers of the rod body driving gear 52 and the rod body transmission gear 232 have positioning holes 6 through which the transmission rod 3 passes and which match the cross-section of the transmission rod 3. The rod body driving gear 52 and the rod body transmission gear 232 can be fixedly connected with the transmission rod 3 through the positioning holes 6, thereby improving the installation efficiency. The non-circular cross-section of the transmission rod 3 can improve the carrying capacity and ensure the transmission stability.

[0031] Specifically, the rope winding transmission gear sets 23 in the two adjacent rope winding devices 2 on the same side of the double-shaft motor 1 are respectively arranged at the ends of the two rope winding devices 2 away from each other, thereby improving the transmission range of the rope winding transmission gear set 23 and ensuring the synchronous transmission effect of the whole curtain.

[0032] As shown in Figure 1As shown, the double-shaft motor 1 is in a cylindrical shape, and the rope winding devices 2 are arranged at equal intervals outside the same end of the double-shaft motor 1, and the rope winding devices 2 outside the two ends of the double-shaft motor 1 are symmetrically arranged, so that the double-shaft motor 1 can synchronously drive the rope winding devices 2 at the two ends, improve the transmission synchronization effect, and ensure the transmission stability.

[0033] The principle of the embodiment is that one end of any one transmission rod body 3 is sequentially connected in transmission with the even-numbered rope winding devices 2 among the rope winding devices 2 arranged outside one end of the double-shaft motor 1 and gradually away from the double-shaft motor 1, and the other end of the transmission rod body 3 is sequentially connected in transmission with the odd-numbered rope winding devices 2 among the rope winding devices 2 arranged outside the other end of the double-shaft motor 1 and gradually away from the double-shaft motor 1, so that the double-shaft motor 1 can ensure the synchronous operation between the rope winding devices at the two ends through the cross transmission at the two ends, improve the operation synchronization effect, and ensure the transmission effect through the rope transmission gear set 23 and the rod body rotation transmission assembly 5.

[0034] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art to which the present application belongs can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, without deviating from the spirit of the present application or exceeding the scope defined by the appended claims.

[0035] Although the terms double-shaft motor 1, output shaft 11, rope winding device 2, rope winding device housing 21, rope winding wheel 22, rope transmission gear set 23, rope transmission gear 231, rod body transmission gear 232, transmission rod body 3, transmission box body 4, rod body rotation transmission assembly 5, output gear 51, rod body driving gear 52, positioning hole 6, etc. are used more frequently herein, the possibility of using other terms is not excluded. The use of these terms is only for the convenience of describing and explaining the essence of the present application; any interpretation of them as any kind of additional limitation is contrary to the spirit of the present application.

Claims

1. A double transmission rod rope winding linkage structure of a day and night curtain, comprising a double shaft motor (1) with output shafts (11) at two ends, and at least two rope winders (2) are arranged in sequence at the outer sides of the two ends of the double shaft motor (1), characterized in that, The double-shaft motor (1) is provided with two axially extending transmission rods (3) on the circumferential outer side, both of the transmission rods (3) pass through the respective rope winding devices (2) located on the outer sides of both ends of the double-shaft motor (1) in sequence, the output shaft (11) at one end of the double-shaft motor (1) is in transmission connection with one of the transmission rods (3) and the output shaft (11) at the other end is in transmission connection with the remaining one of the transmission rods (3), one end of any one of the transmission rods (3) is in transmission connection with the rope winding device (2) located at an even position among the rope winding devices (2) located on the outer side of one end of the double-shaft motor (1) and arranged in a direction gradually away from the double-shaft motor (1) in sequence, and the other end of the transmission rod (3) is in transmission connection with the rope winding device (2) located at an odd position among the rope winding devices (2) located on the outer side of the other end of the double-shaft motor (1) and arranged in a direction gradually away from the double-shaft motor (1) in sequence.

2. The dual-rod rope winding linkage of a day-and-night curtain according to claim 1, characterized in that, The number of the rope winding devices (2) on the outer sides of both ends of the double-shaft motor (1) is two respectively and both are located on the same horizontal plane.

3. The dual-rod rope winding linkage of claim 2, wherein, The lengths of the two transmission rods (3) are equal, both ends of the transmission rod (3) are aligned and arranged in parallel with each other.

4. The dual-rod rope winding linkage of a day-and-night curtain according to claim 1 or 2 or 3, characterized in that, Both ends of the double-shaft motor (1) are respectively provided with transmission boxes (4), the transmission rods (3) all pass through the transmission boxes (4) and the two transmission rods (3) are respectively connected with different output shafts (11) through rod rotation transmission assemblies (5).

5. The dual-rod rope winding linkage of a day-and-night curtain according to claim 4, characterized in that, The rod rotation transmission assembly (5) comprises an output gear (51) arranged in the transmission box (4) and connected with the output shaft (11), the transmission rod (3) is respectively provided with a rod driving gear (52) arranged in a different transmission box (4) and in mesh with the output gear (51) on a different output shaft (11).

6. The dual-rod rope winding linkage of a day-and-night curtain according to claim 5, characterized in that, The rope winding device (2) comprises a rope winding device shell (21), a rope winding wheel (22) is rotatably arranged in the rope winding device shell (21), one end of the rope winding device shell (21) is provided with a rope winding transmission gear set (23) connected with the rope winding wheel (22), both of the transmission rods (3) axially pass through the respective rope winding device shells (21), the rope winding transmission gear sets (23) in the two adjacent rope winding devices (2) on the same outer side of one end of the double-shaft motor (1) are connected with different transmission rods (3).

7. The dual-rod rope winding linkage of a day-and-night curtain according to claim 6, characterized in that, The rope winding transmission gear set (23) comprises a rope winding transmission gear (231) arranged on the inner side of one end of the rope winding device shell (21) and coaxially connected with the rope winding wheel (22), the lower side of the rope winding transmission gear (231) is provided with a rod transmission gear (232) in mesh with the rope winding transmission gear (231), and the rod transmission gear (232) is connected with one of the transmission rods (3).

8. The dual-rod rope winding linkage of a day-and-night curtain according to claim 7, characterized in that, The transmission rod (3) is non-circular in cross section, and the centers of the rod driving gear (52) and the rod transmission gear (232) are both provided with positioning holes (6) for the transmission rod (3) to pass through and matched with the cross section of the transmission rod (3).

9. The dual-rod rope winding linkage of claim 6, wherein, The rope winding transmission gear sets (23) in the two adjacent rope winding devices (2) on the same outer side of one end of the double-shaft motor (1) are respectively located at one end away from each other.

10. The dual-rod rope winding linkage of a day-and-night curtain according to claim 1, characterized in that, The double-shaft motor (1) is in a cylindrical shape, and the rope winding devices (2) located on the same end outside of the double-shaft motor (1) are arranged at equal intervals, and the rope winding devices (2) located on the two ends outside of the double-shaft motor (1) are symmetrically arranged.