Magnetic coupling driving mechanism suitable for three-glass two-cavity shutter

Abstract

The utility model discloses a magnetic coupling driving mechanism suitable for a three-glass two-cavity shutter. The magnetic coupling driving mechanism comprises a magnetic pulling disc mechanism, a driving mechanism and a driving mechanism, wherein the magnetic pulling disc mechanism is adsorbed outside the shutter; the magnetic synchronizer and the magnetic pulling disc mechanism attract each other; the second magnetic turntable is mutually attracted with the other surface of the magnetic synchronizer; the worm steering mechanism is fixedly connected with the second magnetic turntable; the planetary reducer is connected with an output rod of the worm steering mechanism; the venetian blind shaft lever is connected with an output rod of the planetary reducer; and the shaft rod supporting seat is used for supporting the shutter blind shaft rod. According to the scheme, through the coupling effect of the multiple magnetic assemblies, the problem of insufficient magnetic force in a three-glass two-cavity structure is solved, stable and accurate control over the venetian blind is achieved through accurate transmission of the planetary reducer, and the venetian blind has the advantages of being efficient, durable and easy and convenient to maintain.

Description

Technical Field

[0001] The utility model relates to the technical field of three-glass two-cavity shutters, and in particular to a magnetic coupling drive mechanism suitable for three-glass two-cavity shutters. Background Art

[0002] Venetian blinds, a crucial window accessory, are widely used in residences, offices, and commercial buildings. They effectively regulate indoor light, protect privacy, and enhance the interior environment. The core functionality of Venetian blinds lies in their ability to raise and lower, and adjust their angle. However, traditional blinds rely on mechanical transmission, a mature technology that still suffers from significant drawbacks.

[0003] First, mechanical transmission methods typically rely on mechanical components such as gears, chains, and pulleys, which are prone to wear and tear over time, leading to a gradual decrease in transmission efficiency. Furthermore, since these mechanical components are often exposed to air, environmental factors such as dust and moisture can accelerate wear and aging, further impacting the lifespan of the blinds. Mechanical transmission devices are complex to install and maintain, creating inconvenience for users.

[0004] In order to solve the above problems, magnetic transmission technology has gradually been introduced into the design of blinds in recent years. Through magnetic coupling, the driving force can be transmitted without physical contact, which not only reduces the wear of mechanical components, but also reduces the maintenance requirements of the device. However, existing magnetic transmission devices face new challenges when applied to blinds with double or triple glass structures. In the three-glass two-cavity structure, the transmission part of the blinds is usually located between two independent glass cavities. Due to the long distance between the glass cavities on both sides, the magnetic adsorption force between the drive motor and the driven end is insufficient, resulting in low transmission efficiency and the inability to effectively realize the lifting and angle adjustment of the blinds.

[0005] Furthermore, due to the large spacing between the glass chambers, the magnetic transmission device is prone to magnetic field attenuation during the transmission of driving force. This not only affects the stability of the blinds but can also lead to operational insensitivity, affecting the user experience. Therefore, how to effectively enhance the coupling effect of the magnetic transmission device in a three-glass, two-chamber structure and improve transmission efficiency and stability has become a pressing technical challenge in the field of blind design. Utility Model Content

[0006] In response to the shortcomings of the existing technology, the utility model proposes a magnetic coupling drive mechanism suitable for three-glass two-cavity blinds. The drive mechanism enhances the effect of magnetic transmission by improving the structural design of the magnetic coupling device, solves the problem of insufficient magnetic adsorption force in the existing technology, ensures that the driving force can be effectively transmitted in the three-glass two-cavity structure, and realizes the smooth lifting and precise angle adjustment of the blinds.

[0007] The technical solution adopted by the utility model to solve its technical problems is:

[0008] A magnetic coupling drive mechanism suitable for triple-glass two-cavity blinds, comprising:

[0009] A magnetic pull-disc mechanism that attaches to the outside of the blinds;

[0010] A magnetic synchronizer located in the first glass cavity and attracting the magnetic pull disc mechanism;

[0011] a second magnetic turntable located in the second glass cavity and attracted to the other side of the magnetic synchronizer;

[0012] a worm-shaft direction-changing mechanism fixedly connected to the second magnetic turntable and rotating synchronously;

[0013] A planetary reducer connected to the output rod of the worm gear changing mechanism;

[0014] a venetian blind shaft connected to the output rod of the planetary reducer; and

[0015] A shaft support seat is used to support the shaft of the venetian blind.

[0016] A further preferred technical solution is that the magnetic pulling disk mechanism includes: a first magnetic turntable, a turntable gear shaft, a wire pulling disk and a turntable shell; the turntable shell includes: a wire pulling disk cavity and a magnetic turntable cavity; the first magnetic turntable is located in the magnetic turntable cavity and is adsorbed with the magnetic synchronizer; one end of the turntable gear shaft is fixedly connected to the center of the first magnetic turntable, and the other end passes through the magnetic turntable cavity and enters the wire pulling disk cavity; the wire pulling disk is located in the wire pulling disk cavity, and a driving gear is provided on the wire pulling disk, and a passive gear is provided on the turntable gear shaft, and the driving gear and the passive gear are meshed with each other.

[0017] According to a further preferred technical solution, a venetian blind control rope is wound around the pull cord drum.

[0018] A further preferred technical solution is that the magnetic synchronizer includes a synchronizer housing, a bearing column is provided in the inner cavity of the synchronizer housing, and the synchronizer magnetic turntable, turntable shaft cylinder and bearing are mounted on the bearing column; an axial hole is provided in the center of the synchronizer magnetic turntable, and the turntable shaft cylinder includes two, which are respectively installed in the axial holes on both sides of the synchronizer magnetic turntable, and the bearings include two, which are respectively installed in the turntable shaft cylinder.

[0019] A further preferred technical solution is that the worm rod changing mechanism includes a first worm rod and a second worm rod that are meshed with each other; one end of the first worm rod is fixedly connected to the axis of the second magnetic turntable, and the second worm rod is fixedly connected to the input shaft of the planetary reducer, and the other ends of the first worm rod and the second worm rod are both mounted on the worm rod housing.

[0020] A further preferred technical solution is that the planetary reducer includes a sun gear and four planetary gears, the sun gear is mounted on the second worm gear, the four planetary gears are evenly distributed around the sun gear and meshed with it, the four planetary gears are mounted on a planetary turntable, and a power output shaft is provided on the other side of the planetary turntable, and the power output shaft is connected to the blind shaft.

[0021] According to a further preferred technical solution, a shaft bearing is provided on the shaft support seat, and the venetian blind shaft is installed in the shaft bearing.

[0022] According to a further preferred technical solution, the second magnetic turntable, the worm gear changing mechanism and the planetary reducer are all installed in a protective shell.

[0023] The beneficial effects of the utility model are:

[0024] Enhanced magnetic coupling: An innovative magnetic synchronizer and a magnetic turntable mechanism within the double-glass cavity effectively enhance the magnetic coupling between the drive motor and the driven end. This overcomes the insufficient magnetic force typically associated with the three-glass, two-cavity structure due to the long distance between the glass cavities, ensuring the stability and efficiency of the transmission process.

[0025] Improved transmission efficiency and precision: Magnetic transmission eliminates the need for physical contact between mechanical components, reducing energy loss and mechanical wear during the transmission process, thereby improving transmission efficiency. Furthermore, the precisely designed planetary reducer and worm gear mechanism enable precise raising and lowering of the blinds and angle adjustment, ensuring operational sensitivity and stability.

[0026] Reduced maintenance requirements: Since the traditional mechanical transmission structure is eliminated and a contactless magnetic coupling method is adopted, the wear and aging of mechanical components are effectively avoided, the maintenance requirements of the blinds during use are reduced, the service life of the device is extended, and the user experience is improved.

[0027] Strong adaptability: The magnetic coupling drive mechanism design in this patent is suitable for three-glass two-cavity shutter structures, can maintain good transmission performance in complex multi-layer glass environments, has broad application prospects, and can meet the needs of various building sites for high-performance shutters.

[0028] Easy installation: The modular design of the magnetic coupling transmission mechanism makes the installation and debugging process easier. It is suitable for shutters of various specifications and sizes, which is conducive to large-scale production and promotion and application. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is a schematic diagram of the overall structure of the utility model Figure 1 .

[0030] Figure 2 This is a schematic diagram of the overall structure of the utility model Figure 2 .

[0031] Figure 3 This is a schematic diagram of the structure of the magnetic pull disc mechanism Figure 1 .

[0032] Figure 4 This is a schematic diagram of the structure of the magnetic pull disc mechanism Figure 2 .

[0033] Figure 5 It is a schematic diagram of the connection structure between the turntable gear shaft and the wire pulley.

[0034] Figure 6 It is a structural diagram of a magnetic synchronizer.

[0035] Figure 7 It is a structural diagram of the worm gear changing mechanism.

[0036] Figure 8 It is a structural diagram of a planetary reducer.

[0037] Figure 9 It is a schematic diagram of the installation structure of the venetian blind shaft and the shaft support seat.

[0038] In the figure: 10 - magnetic pull-plate mechanism, 20 - magnetic synchronizer, 30 - second magnetic turntable, 40 - worm gear change mechanism, 50 - planetary reducer, 60 - venetian blind shaft, 70 - shaft support seat, 80 - protective housing, 90 - glass cover; 11 - first magnetic turntable, 12 - turntable gear shaft, 13 - cable pull disc, 14 - turntable housing; 21 - synchronizer housing, 22 - bearing column, 23 - synchronizer magnetic turntable, 24 - turntable shaft cylinder, 25 - bearing; 41 - first worm gear, 42 - second worm gear; 51 - sun gear, 52 - planetary gear, 53 - planetary turntable, 54 - power output shaft. 141 - turntable cavity cover, 142 - cable pull disc cavity cover. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0040] like Figure 1 and 2 As shown, this embodiment describes a magnetic coupling drive mechanism suitable for triple-glass, double-chamber Venetian blinds. Its structural design can effectively solve the problems of low transmission efficiency and poor stability caused by insufficient magnetic force in the prior art. The triple-glass, double-chamber Venetian blinds include three glass cover plates 90, with two hollow cavities formed between the three glass cover plates. A magnetic pull-plate mechanism 10 is provided on the outside of the glass cover plates located on the indoor side, and a magnetic synchronizer 20 is provided in the hollow cavity located on the inside. The second magnetic turntable 30, the worm gear changing mechanism 40, the planetary reducer 50, the Venetian blind shaft 60, and the shaft support seat 70 are all placed in the outer hollow cavity. Among them, the second magnetic turntable 30, the worm gear changing mechanism 40, and the planetary reducer 50 are all installed in a protective shell 80.

[0041] Specifically, the magnetic coupling drive mechanism includes the following main components:

[0042] like Figure 3-5As shown: Magnetic pull disc mechanism 10: installed on the outside of the blinds, it drives the internal magnetic synchronizer 20 through adsorption force. The mechanism includes a first magnetic turntable 11, a turntable gear shaft 12, a pull disc 13 and a turntable shell 14. Two cavities are provided in the turntable shell, namely: a magnetic turntable cavity and a pull disc cavity, which are respectively used to accommodate the first magnetic turntable 11 and the pull disc 13. A blind control rope is wound on the pull disc 13. By pulling one end of the blind control rope, the pull disc 13 can be driven to rotate. One end of the turntable gear shaft 12 is fixedly connected to the center of the first magnetic turntable 11, and the other end passes through the magnetic turntable cavity and enters the pull disc cavity; the pull disc 13 is located in the pull disc cavity, and a driving gear is provided on the pull disc 13, and a passive gear is provided on the turntable gear shaft 12. The driving gear and the passive gear are meshed with each other.

[0043] The turntable cavity is provided with a turntable cavity cover 141 and a wire pull disk cavity cover 142 .

[0044] like Figure 6 As shown, the magnetic synchronizer 20 is located in the first glass cavity and is mutually attracted to the first magnetic turntable 11. The magnetic synchronizer 20 includes a synchronizer housing 21, a bearing column 22 is provided in the synchronizer housing 21, and a synchronizer magnetic turntable 23, a turntable shaft cylinder 24 and a bearing 25 are mounted on the bearing column 22. The synchronizer magnetic turntable 23 has an axial hole at its center, and two turntable shaft cylinders 24 are respectively installed in the axial holes on both sides of the synchronizer magnetic turntable 23. The two bearings 25 are also installed in the turntable shaft cylinders 24. This design ensures the smooth rotation of the magnetic synchronizer.

[0045] like Figure 7 As shown, the second magnetic turntable 30 is located in the second glass cavity and is mutually attracted to the magnetic synchronizer 20 to achieve magnetic transmission through magnetic coupling. The second magnetic turntable 30 is a circular turntable, and its axis is connected to the worm gear changing mechanism 40.

[0046] like Figure 7 As shown, the worm gear changing mechanism 40 is composed of a first worm gear 41 and a second worm gear 42 that mesh with each other. The first worm gear 41 is connected to the axis of the second magnetic turntable 30, and the second worm gear 42 is connected to the input shaft of the planetary reducer 50, which is used to change the transmission direction and transmit power.

[0047] like Figure 8As shown, the planetary reducer 50 comprises a sun gear 51 and four evenly distributed planetary gears 52. The meshing relationship between these gears enables precise control of the Venetian blind. The sun gear 51 is mounted on the second worm 42. The four planetary gears 52 are evenly distributed around the sun gear 51 and mesh with it. The four planetary gears 52 are mounted on a planetary turntable 53. A power output shaft 54 is mounted on the other side of the planetary turntable 53. The power output shaft 54 connects to the Venetian blind shaft 60, ultimately driving the Venetian blind's raising and lowering and angle adjustment.

[0048] like Figure 9 As shown, the venetian blind shaft 60 and the shaft support seat 70: the shaft support seat 70 is provided with a shaft bearing for supporting and fixing the venetian blind shaft 60 to ensure its smooth operation.

[0049] Working principle:

[0050] When the user activates the Venetian blinds via a motor or manual mechanism, the cable drum rotates, driving the first magnetic disc 11. Through magnetic coupling, the first magnetic disc 11 rotates the magnetic synchronizer 20 located within the first glass cavity. The rotation of the magnetic synchronizer 20 is magnetically transmitted to the second magnetic disc 30 located within the second glass cavity.

[0051] The rotation of the second magnetic turntable 30 is connected to the worm gear change mechanism 40 via its axis. The first worm gear 41 and the second worm gear 42 in the worm gear change mechanism mesh with each other, changing the direction of the rotational motion and transmitting it to the planetary reducer 50. The sun gear 51 in the planetary reducer further reduces the motion through the four planetary gears 52 and transmits it to the power output shaft 54. Finally, the power output shaft 54 is connected to the Venetian blind shaft 60 through bearings, driving the Venetian blind to raise and lower, and adjust its angle.

[0052] This drive mechanism not only solves the problem of insufficient magnetic force in the three-glass two-cavity structure through the coupling of multiple magnetic components, but also achieves smooth and precise control of the blinds through the precise transmission of the planetary reducer, with the advantages of high efficiency, durability and easy maintenance.

[0053] It should be noted that, in this document, terms such as "comprises," "includes," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus comprising a series of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or apparatus comprising the element.

[0054] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A magnetic coupling drive mechanism suitable for triple-glass two-chamber blinds, characterized in that: include: A magnetic pull-disc mechanism that attaches to the outside of the blinds; A magnetic synchronizer located in the first glass cavity and attracting the magnetic pull disc mechanism; a second magnetic turntable located in the second glass cavity and attracted to the other side of the magnetic synchronizer; a worm-shaft direction-changing mechanism fixedly connected to the second magnetic turntable and rotating synchronously; A planetary reducer connected to the output rod of the worm gear changing mechanism; A venetian blind shaft connected to the output rod of the planetary reducer; as well as A shaft support seat is used to support the shaft of the venetian blind.

2. A magnetic coupling drive mechanism for triple-glass, double-chamber blinds according to claim 1, characterized in that: The magnetic pulling disk mechanism includes: a first magnetic turntable, a turntable gear shaft, a wire pulling disk and a turntable shell; the turntable shell includes: a wire pulling disk cavity and a magnetic turntable cavity; the first magnetic turntable is located in the magnetic turntable cavity and is adsorbed with the magnetic synchronizer; one end of the turntable gear shaft is fixedly connected to the center of the first magnetic turntable, and the other end passes through the magnetic turntable cavity and enters the wire pulling disk cavity; the wire pulling disk is located in the wire pulling disk cavity, and a driving gear is provided on the wire pulling disk, and a passive gear is provided on the turntable gear shaft, and the driving gear and the passive gear are meshed with each other.

3. The magnetic coupling drive mechanism for triple-glass two-chamber blinds according to claim 2, characterized in that: A venetian blind control rope body is wound around the pull wire drum.

4. The magnetic coupling drive mechanism for triple-glass two-chamber blinds according to claim 1, characterized in that: The magnetic synchronizer includes a synchronizer housing, a bearing column is provided in the inner cavity of the synchronizer housing, and a synchronizer magnetic turntable, a turntable shaft cylinder and a bearing are installed on the bearing column; an axial hole is provided in the center of the synchronizer magnetic turntable, and the turntable shaft cylinder includes two and is respectively installed in the axial holes on both sides of the synchronizer magnetic turntable; the bearing includes two and is respectively installed in the turntable shaft cylinder.

5. The magnetic coupling drive mechanism for triple-glass two-chamber blinds according to claim 1, characterized in that: The worm rod changing mechanism includes a first worm rod and a second worm rod that are meshed with each other; one end of the first worm rod is fixedly connected to the axis of the second magnetic turntable, and the second worm rod is fixedly connected to the input shaft of the planetary reducer, and the other ends of the first worm rod and the second worm rod are both installed on the worm rod housing.

6. The magnetic coupling drive mechanism for triple-glass two-chamber blinds according to claim 5, characterized in that: The planetary reducer includes a sun gear and four planetary gears. The sun gear is mounted on the second worm gear. The four planetary gears are evenly distributed around the sun gear and mesh with it. The four planetary gears are mounted on a planetary turntable. A power output shaft is provided on the other side of the planetary turntable. The power output shaft is connected to the blind shaft.

7. The magnetic coupling drive mechanism for triple-glass, double-chamber blinds according to claim 1, characterized in that: A shaft bearing is provided on the shaft support seat, and the venetian blind shaft is installed in the shaft bearing.

8. The magnetic coupling drive mechanism for triple-glass, double-chamber blinds according to claim 1, characterized in that: The second magnetic turntable, the worm gear changing mechanism and the planetary reducer are all installed in a protective shell.

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