Door opener and door

Abstract

The application relates to the door technical field and discloses a door opener and a door, the door opener being used for being installed in a mounting hole of a door leaf. The door opener comprises a rocker, an output shaft, at least two planetary gear mechanisms and a driving piece, the rocker having opposite first and second ends, the first end being used for being connected with a door frame, and the second end being connected with the output shaft. The planetary gear mechanism comprises a planet carrier, a planet wheel and a sun wheel, in adjacent two planetary gear mechanisms, the planet carrier of one planetary gear mechanism is fixedly connected with the sun wheel of another planetary gear mechanism, and the sun wheel is coaxially arranged with the output shaft. The driving piece is connected with the sun wheel of its adjacent planetary gear mechanism, and the output shaft is connected with its adjacent planet carrier. The door opener of the application occupies a smaller space in the direction perpendicular to the axis of the output shaft, so that the door opener occupies a smaller space in the direction perpendicular to the axis of the output shaft, and is convenient to install in an environment with limited layout space.

Description

Technical Field

[0001] This application relates to the field of door technology, specifically to a door opener and a door. Background Technology

[0002] A door opener is an electromechanical device that uses a motor and transmission mechanism to automatically open and close a door. Because opening and closing the door requires a large torque, existing transmission mechanisms often use gear transmission.

[0003] The gate opener consists of a motor, a gear transmission mechanism, and an output shaft connected in sequence. The gear transmission mechanism includes multiple gears, with their axes parallel and spaced apart along a direction perpendicular to the output shaft. This requires the gate opener to occupy a significant amount of space along the direction perpendicular to the output shaft. In environments with limited installation space, this type of gate opener cannot be installed.

[0004] Therefore, how to solve or improve the problem that the door opener needs to occupy a large space in the direction perpendicular to the output shaft in the relevant technology has become an important technical problem to be solved by those skilled in the art. Summary of the Invention

[0005] This application provides a door opener and a door to solve or improve the problem in related technologies where door openers require a large space along the direction perpendicular to the output shaft.

[0006] In a first aspect, this application provides a door opener for installation on a door leaf, comprising: A housing for installation within the mounting holes of the door leaf; A rocker arm has a first end and a second end opposite to each other, the first end being used to connect to a door frame; An output shaft extends out of the housing and is connected to the second end; At least two planetary gear mechanisms are disposed within the housing. Each planetary gear mechanism includes a planet carrier, planet gears, and a sun gear. The planet gears are rotatably connected to the planet carrier, and the sun gear meshes with the planet gears. Each planetary gear mechanism is distributed along the axial direction of the output shaft. In two adjacent planetary gear mechanisms, the planet carrier of one planetary gear mechanism is fixedly connected to the sun gear of the other planetary gear mechanism. The sun gear is coaxially arranged with the output shaft. A drive member is located along the axial direction of the output shaft. The planetary gear mechanism is located between the output shaft and the drive member. The drive member is connected to the sun gear of the adjacent planetary gear mechanism. The output shaft is connected to the planet carrier of the adjacent planetary gear mechanism.

[0007] In one alternative implementation, it further includes: A rotating body is disposed inside the housing, the rotating body is connected to the output shaft for transmission, and the rotating body can rotate synchronously with the output shaft; An angle sensor is installed inside the housing, and the angle sensor is used to detect the rotation angle of the rotating body; A control module is disposed inside the housing. The control module is communicatively connected to the drive component and the angle sensor. The control module is adapted to control the drive component to drive the output shaft and the rocker arm to rotate through the planetary gear mechanism, and is adapted to control the drive component to stop driving when the rotation angle of the rotating body is a preset angle.

[0008] In one optional embodiment, the housing includes a housing body and a cover. The housing body is provided with a first receiving groove, the control module is disposed in the first receiving groove, and the cover is detachably connected to the housing body and the cover closes the first receiving groove.

[0009] In one alternative implementation, it further includes: The first gear is connected to the output shaft; The second gear is connected to the rotating body, and the first gear and the second gear mesh with each other.

[0010] In one alternative implementation, it further includes: A magnet, wherein a receiving cavity is provided within the rotating body, and the magnet is disposed within the receiving cavity; The angle sensor includes a Hall element, which is located within the magnetic field generated by the magnet.

[0011] In one alternative embodiment, the rotating body includes: The main body is connected to the output shaft for transmission, and the rotating body can rotate synchronously with the output shaft. The main body is provided with a first groove. A sealing plug is inserted into the first groove, and the sealing plug seals the first groove to form the receiving cavity.

[0012] In one optional embodiment, the planetary carrier connected to the output shaft is provided with a second groove, the inner wall of the second groove includes a first inclined surface, the output shaft is inserted into the second groove, the outer wall of the output shaft includes a second inclined surface, and the first inclined surface and the second inclined surface abut against each other along the axial direction of the output shaft; The output shaft is provided with a first through hole, and the bottom surface of the second groove is provided with a connecting hole; the door opener also includes a connector, which is inserted into the first through hole and the connecting hole in sequence, and the connector presses the output shaft and the planetary carrier together along the axial direction of the output shaft.

[0013] In one optional embodiment, the housing includes a panel and a housing body, the housing body is provided with a second receiving groove, the planetary gear mechanism is disposed in the second receiving groove, the panel is detachably connected to the housing body, and the panel covers the second receiving groove; The panel is provided with a second through hole for the output shaft to extend out.

[0014] In one optional embodiment, a positioning element is also included. The panel has a fourth through hole, and the housing body has a positioning hole. The positioning element passes through the fourth through hole and is inserted into the positioning hole.

[0015] Secondly, this application also provides a door, including a door leaf, a door frame, and any of the above-described door openers, wherein the door leaf and the door frame are rotatably connected, the door leaf is provided with a mounting hole, the housing of the door opener is installed in the mounting hole, and the first end of the rocker arm is connected to the door frame.

[0016] This application provides a door opener, the housing of which is installed in the mounting hole of the door leaf. The rocker arm is connected to the door frame. The rotation of the output shaft drives the rocker arm to swing, thereby driving the door leaf to rotate relative to the door frame, completing the door opening and closing action. Along the axial direction of the output shaft, a planetary gear mechanism is located between the output shaft and the driving component. The driving component is connected to the sun gear of its adjacent planetary gear mechanism, and the output shaft is connected to the planet carrier of its adjacent planetary gear mechanism. When the driving component drives the corresponding sun gear to rotate, the power is increased to torque through the planetary gear mechanism and transmitted to the output shaft. The output shaft drives the rocker arm to rotate, thereby driving the door leaf to rotate relative to the door frame. Since the output shaft, each planetary gear mechanism, and the driving component are distributed sequentially along the axial direction of the output shaft, and the sun gear is coaxial with the output shaft, the space occupied by the output shaft, each planetary gear mechanism, and the driving component in the direction perpendicular to the axial direction of the output shaft is small. This results in a smaller space occupied by the door opener in the direction perpendicular to the axial direction of the output shaft, making it easier to install in environments with limited installation space. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the specific embodiments or related technologies of this application, the drawings used in the description of the specific embodiments or related technologies will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of a door opener according to an embodiment of this application; Figure 2 This is an isometric view of a door opener according to an embodiment of this application; Figure 3This is a first-view axonometric view of a door opener with a concealed panel and drive unit according to an embodiment of this application; Figure 4 This is a second-view axonometric view of a door opener with a concealed panel and drive unit according to an embodiment of this application; Figure 5 This is a schematic diagram of the structure of a door opener with its concealed housing body according to an embodiment of this application; Figure 6 This is a schematic diagram of the first gear structure of a door opener according to an embodiment of this application; Figure 7 This is an exploded view of the main body and cover of a door opener according to an embodiment of this application; Figure 8 This is a schematic diagram of the panel structure of a door opener according to an embodiment of this application; Figure 9 This is a schematic diagram of the output shaft structure of a door opener according to an embodiment of this application; Figure 10 This is a schematic diagram of a planetary carrier structure connected to the output shaft of a door opener according to an embodiment of this application.

[0019] Explanation of reference numerals in the attached figures: 1. Drive component; 2. Rocker arm; 3. Housing; 31. Housing body; 311. First receiving groove; 312. Second receiving groove; 313. Third through hole; 314. Positioning hole; 32. Cover; 33. Panel; 331. Second through hole; 332. Fourth through hole; 4. Planetary gear mechanism; 41. Planet carrier; 411. Second groove; 412. Connecting hole; 42. Planetary gear; 43. Sun gear; 5. Rotating body; 51. Main body; 511. First groove; 52. Sealing plug; 6. Output shaft; 61. First through hole; 7. First gear; 8. Second gear; 9. Magnet; 10. Bearing; 11. Shaft; 12. Positioning component; 13. Connecting component; 14. Angle sensor; 15. Control module. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0021] The following is combined with Figures 1 to 10 This describes an embodiment of the present application.

[0022] According to embodiments of this application, in one aspect, a door opener is provided, referring to... Figures 1 to 5This is for installation on a door leaf, which has mounting holes. The door opener includes a housing 3, a rocker arm 2, an output shaft 6, a drive unit 1, and at least two planetary gear mechanisms 4. The housing 3 is used for installation within the mounting holes of the door leaf.

[0023] The rocker arm 2 has a first end and a second end, the first end of which is used to connect to the door frame. The output shaft 6 extends out of the housing 3, and the second end of the rocker arm 2 is connected to the output shaft 6, so that the rocker arm 2 can swing when the output shaft 6 rotates.

[0024] Each planetary gear mechanism 4 is housed within the housing 3. Each planetary gear mechanism 4 includes a planet carrier 41, planet gears 42, and a sun gear 43. The planet gears 42 are rotatably connected to the planet carrier 41, and the sun gear 43 meshes with the planet gears 42. Each planetary gear mechanism 4 is distributed along the axis of the output shaft 6, and the sun gear 43 is coaxially arranged with the output shaft 6. In two adjacent planetary gear mechanisms 4, the planet carrier 41 of one planetary gear mechanism 4 is fixedly connected to the sun gear 43 of the other planetary gear mechanism 4.

[0025] In this way, when the sun gear 43 rotates, it drives the planet gear 42 to rotate, which in turn drives the planet carrier 41 to rotate. The sun gear 43 serves as the input end, and the planet carrier 41 serves as the output end. Along the axial direction of the output shaft 6, each planet gear mechanism 4 forms a structure that gradually increases the torque.

[0026] Along the axial direction of the output shaft 6, the planetary gear mechanism 4 is located between the output shaft 6 and the drive member 1. The drive member 1 is connected to the sun gear 43 of its adjacent planetary gear mechanism 4, and the output shaft 6 is connected to the planet carrier 41 of its adjacent planetary gear mechanism 4. When the drive member 1 drives the corresponding sun gear 43 to rotate, the power is amplified by the planetary gear mechanism 4 and transmitted to the output shaft 6. The output shaft 6 drives the rocker arm 2 to rotate, thereby driving the door leaf to rotate relative to the door frame.

[0027] Because the output shaft 6, each planetary gear mechanism 4, and the drive component 1 are distributed sequentially along the axial direction of the output shaft 6, and the sun gear 43 is coaxial with the output shaft 6, the space occupied by the output shaft 6, each planetary gear mechanism 4, and the drive component 1 in the axial direction perpendicular to the output shaft 6 is relatively small. This makes the door opener occupy less space in the axial direction perpendicular to the output shaft 6, which is convenient for installation in environments with limited installation space.

[0028] The driving component 1 can be a motor.

[0029] In one embodiment, refer to Figure 1The planetary gear mechanism 4 also includes a shaft 11, which is connected to the end face of the planet carrier 41. The shaft 11 is parallel to the axis of the planet carrier 41 and is eccentrically positioned. Three planet gears 42 and three planet gears are provided on both the shaft and the shaft 11. Each planet gear 42 is rotatably connected to the shaft 11, and the three planet gears 42 are evenly distributed along the axial direction of the planet carrier 41. A gear ring is provided on the inner wall of the housing 3. The three planet gears 42 are all located within the inner ring of the gear ring, and each of the three planet gears 42 meshes with the gear ring, thus providing meshing support for the planet gears 42.

[0030] In one embodiment, refer to Figure 1 and Figure 5 Three planetary gear mechanisms 4 are provided, arranged sequentially as follows in the direction from the drive member 1 to the output shaft 6: the first planetary gear mechanism, the second planetary gear mechanism, and the third planetary gear mechanism. The sun gear 43 of the first planetary gear mechanism is connected to the drive member 1 for transmission; the planet carrier 41 of the first planetary gear mechanism is fixedly connected to the sun gear 43 of the second planetary gear mechanism; the planet carrier 41 of the second planetary gear mechanism is fixedly connected to the sun gear 43 of the third planetary gear mechanism; and the planet carrier 41 of the third planetary gear mechanism is fixedly connected to the output shaft 6. Thus, when the drive member 1 drives the sun gear 43 of the first planetary gear mechanism to rotate, it amplifies the torque to drive the output shaft 6 to rotate, facilitating the pushing of the door leaf via the rocker arm 2.

[0031] In one embodiment, refer to Figure 1 The gate opener also includes a bearing 10, which is housed inside the housing 3. The outer ring of the bearing 10 is connected to the inner wall of the housing 3, and the inner ring of the bearing 10 is connected to the planetary carrier 41 connected to the output shaft 6. Thus, the bearing 10 can support the rotation of the planetary carrier 41.

[0032] In one embodiment, refer to Figure 1 , Figure 3 and Figure 5 The door opener also includes a rotating body 5, an angle sensor 14, and a control module 15. The rotating body 5 is housed within the housing 3 and is connected to the output shaft 6, allowing the rotating body 5 to rotate synchronously with the output shaft 6. Thus, the rotation angle of the output shaft 6 can be determined based on the rotation angle of the rotating body 5, which in turn determines the swing angle of the rocker arm 2. The opening angle of the door can then be determined by the swing angle of the rocker arm 2.

[0033] Angle sensor 14 detects the rotation angle of rotating body 5 relative to the reference position and sends a signal containing the rotation angle information of rotating body 5 to control module 15 so that control module 15 can obtain the current rotation angle of rotating body 5.

[0034] In one embodiment, when the door is fully closed, the rotating body 5 rotates by a first preset angle relative to the reference position; when the door is fully open, the rotating body 5 rotates by a second preset angle relative to the reference position.

[0035] Taking a fully closed door as an example, the rotating body 5 has rotated a first preset angle relative to the reference position. After issuing an opening command to the control module 15, the control module 15 controls the drive component 1 to drive the rocker arm 2 to rotate, so that the door gradually opens. During this process, the control module 15 obtains the rotation angle of the rotating body 5 in real time through the angle sensor 14. When the rotation angle of the rotating body 5 reaches the second preset angle, the control module 15 controls the drive component 1 to stop driving.

[0036] Specifically, if the door opening process is not disturbed, the control module 15 normally controls the drive component 1 to drive the rocker arm 2 to rotate so that the door is fully opened. At this time, the angle that the rotating body 5 has rotated is the second preset angle, and the control module 15 controls the drive component 1 to stop driving.

[0037] If the door opening process is interfered with, such as being blocked by a foreign object or being interfered with by human intervention, the control module 15 controls the drive component 1 to stop driving or reverse driving. After the interference is eliminated, the control module 15 continues to control the drive component 1 to drive the rocker arm 2 to rotate. At this time, the control module 15 can obtain the rotation angle of the rotating body 5 through the angle sensor 14. If the rotation angle of the rotating body 5 has not reached the second preset angle, it is determined that the door is not fully open, and the control module 15 continues to control the drive component 1 to drive the rocker arm 2 to rotate. Until the rotation angle of the rotating body 5 reaches the second preset angle, the door is fully open, and the control module 15 controls the drive component 1 to stop driving the rocker arm 2 to rotate.

[0038] Taking the door fully open as an example, the rotating body 5 has rotated a second preset angle relative to the reference position. After issuing a closing command to the control module 15, the control module 15 controls the drive component 1 to drive the rocker arm 2 to rotate, so that the door gradually closes. During this process, the control module 15 obtains the rotation angle of the rotating body 5 in real time through the angle sensor 14. When the rotation angle of the rotating body 5 is the first preset angle, the control module 15 controls the drive component 1 to stop driving.

[0039] Specifically, if the door closing process is not disturbed, the control module 15 normally controls the drive component 1 to drive the rocker arm 2 to rotate so that the door is completely closed. At this time, the angle that the rotating body 5 has rotated is the first preset angle, and the control module 15 controls the drive component 1 to stop driving.

[0040] If the door closing process is interfered with, such as by an obstruction or human interference, the control module 15 controls the drive component 1 to stop driving or reverse driving. After the interference is eliminated, the control module 15 continues to control the drive component 1 to drive the rocker arm 2 to rotate. At this time, the control module 15 can obtain the rotation angle of the rotating body 5 through the angle sensor 14. If the rotation angle of the rotating body 5 has not reached the first preset angle, it is determined that the door is not completely closed, and the control module 15 continues to control the drive component 1 to drive the rocker arm 2 to rotate. Until the rotation angle of the rotating body 5 reaches the first preset angle, the door is completely closed, and the control module 15 controls the drive component 1 to stop driving the rocker arm 2 to rotate.

[0041] In one embodiment, refer to Figure 1 The rotating body 5 is connected to the planetary carrier 41 connected to the output shaft 6, thereby driving the output shaft 6 so that the rotating body 5 can rotate synchronously with the output shaft 6.

[0042] In one embodiment, refer to Figure 4 and Figure 7 The housing 3 includes a main body 31 and a cover 32. The main body 31 has a first receiving groove 311, and the control module 15 is disposed within the first receiving groove 311. The cover 32 is detachably connected to the main body 31 and closes the first receiving groove 311. This configuration protects the control module 15. When maintenance or replacement of the control module 15 is required, the cover 32 can be removed to expose the control module 15, making maintenance and replacement more convenient.

[0043] The cover 32 and the shell body 31 can be connected by screws.

[0044] In one embodiment, refer to Figure 1 , Figure 3 and Figure 5 The gate opener also includes a first gear 7 and a second gear 8. The first gear 7 is connected to the output shaft 6, and the second gear 8 is connected to the rotating body 5, with the first gear 7 and the second gear 8 meshing with each other. Thus, the output shaft 6 and the rotating body 5 are connected by a transmission. When the output shaft 6 rotates, it drives the rotating body 5 to rotate through the first gear 7 and the second gear 8. The ratio of the angular velocities of the output shaft 6 and the rotating body 5 depends on the transmission ratio of the first gear 7 and the second gear 8. Therefore, by using the transmission ratio of the first gear 7 and the second gear 8, it can be determined that the specified rotation angle of the output shaft 6 is the required rotation angle of the rotating body 5.

[0045] In one embodiment, refer to Figure 1The door opener also includes a magnet 9, and a receiving cavity is provided inside the rotating body 5, with the magnet 9 disposed within the receiving cavity. An angle sensor 14 includes a Hall element, which is communicatively connected to the control module 15. The Hall element is located within the magnetic field generated by the magnet 9. The Hall element is affected by the magnetic field generated by the magnet 9. When the rotating body 5 rotates, the position of the Hall element within the magnetic field generated by the magnet 9 changes, thereby sending a signal to the control module 15. The signal generated by the Hall element when the rotating body 5 rotates to a certain position can be used as a reference. As the rotating body 5 rotates, different signals sent by the Hall element are calibrated so that the signal from the Hall element corresponds to the current rotation position of the rotating body 5. Thus, a specified signal from the Hall element corresponds to a rotation position of the rotating body 5. Therefore, the current position of the rotating body 5 can be determined by detecting the signal from the Hall element, thereby determining the rotation angle of the rotating body 5.

[0046] In one embodiment, refer to Figure 1 , Figure 3 and Figure 5 The rotating body 5 includes a main body 51 and a sealing plug 52. The main body 51 is connected to the output shaft 6 for transmission, so that the main body 51 rotates synchronously with the output shaft 6. The main body 51 is provided with a first groove 511. The sealing plug 52 is inserted into the first groove 511, and the sealing plug 52 seals the first groove 511 to form a receiving cavity.

[0047] With this configuration, the magnet 9 is enclosed within the containment cavity, preventing it from falling off due to vibration or impact, which would make it impossible to detect the rotation angle of the rotating body 5.

[0048] In one embodiment, refer to Figure 1 and Figure 10 The planetary carrier 41 connected to the output shaft 6 is provided with a second groove 411. The inner wall of the second groove 411 includes a first inclined surface, and the output shaft 6 is inserted into the second groove 411. The outer wall of the output shaft 6 includes a second inclined surface, and the first inclined surface and the second inclined surface abut against each other along the axial direction of the output shaft 6.

[0049] The output shaft 6 is provided with a first through hole 61, and the bottom surface of the second groove 411 is provided with a connecting hole 412. The door opener also includes a connector 13. The connector 13 is inserted into the first through hole 61 and the connecting hole 412 in sequence, so that the connector 13 presses the output shaft 6 and the planetary carrier 41 together along the axial direction of the output shaft 6.

[0050] At this time, the output shaft 6 is fixedly connected to the planetary carrier 41. Since the first inclined surface and the second inclined surface of the output shaft 6 abut against each other in the axial direction, the connecting piece 13 presses the output shaft 6 and the planetary carrier 41 together in the axial direction of the output shaft 6, making the connection between the output shaft 6 and the planetary carrier 41 more stable.

[0051] Furthermore, the first and second inclined surfaces can guide the output shaft 6 to be inserted into the second groove 411, making installation more convenient and positioning simpler.

[0052] In one embodiment, the connector 13 is a bolt, the connecting hole 412 is a threaded hole, and the bolt is inserted into the threaded hole after passing through the first through hole 61.

[0053] In one embodiment, refer to Figures 1 to 3 The housing 3 includes a panel 33 and a housing body 31. The housing body 31 is provided with a second receiving groove 312, and the planetary gear mechanism 4 is disposed in the second receiving groove 312. The panel 33 is detachably connected to the housing body 31, and the panel 33 covers the second receiving groove 312. The panel 33 is provided with a second through hole 331 for the output shaft 6 to extend out.

[0054] During installation, the planetary gear mechanism 4 is sequentially inserted into the second receiving groove 312, and then the panel 33 is used to cover the second receiving groove 312, allowing the output shaft 6 to extend through the second through hole 331. The second end of the rocker arm 2 is then connected to the output shaft 6. This configuration makes maintenance and replacement easier by allowing the panel 33 to be connected to the housing body 31.

[0055] In one embodiment, refer to Figure 2 and Figure 3 It also includes a positioning element 12, a fourth through hole 332 is provided on the panel 33, and a positioning hole 314 is provided on the shell body 31. The positioning element 12 passes through the fourth through hole 332 and is inserted into the positioning hole 314.

[0056] In one embodiment, refer to Figure 4 The shell body 31 is provided with a third through hole 313, through which the sun gear 43 connected to the drive component 1 can extend.

[0057] In one embodiment, refer to Figure 3 The rotating body 5 is also disposed in the second receiving groove 312. The rotating body 5 and the output shaft 6 are distributed in a direction perpendicular to the axis of the output shaft 6, that is, the rotating body 5 is located in the radial direction of the output shaft 6.

[0058] According to an embodiment of this application, another aspect provides a door, including a door leaf, a door frame, and any of the above-mentioned door openers. The door leaf and door frame are rotatably connected. The door leaf has mounting holes, the housing 3 of the door opener is installed within the mounting holes, and the first end of the rocker arm 2 is connected to the door frame.

[0059] When the driving component 1 drives the corresponding sun gear 43 to rotate, the power is increased by the planetary gear mechanism 4 and transmitted to the output shaft 6. The output shaft 6 drives the rocker arm 2 to rotate, thereby driving the door leaf to rotate relative to the door frame.

[0060] Because the output shaft 6, each planetary gear mechanism 4, and the drive component 1 are distributed sequentially along the axial direction of the output shaft 6, and the sun gear 43 is coaxial with the output shaft 6, the space occupied by the output shaft 6, each planetary gear mechanism 4, and the drive component 1 in the axial direction perpendicular to the output shaft 6 is relatively small. This makes the door opener occupy less space in the axial direction perpendicular to the output shaft 6, which is convenient for installation in environments with limited installation space.

[0061] Although embodiments of this application have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of this application, and such modifications and variations all fall within the scope defined by this application.

[0062] Furthermore, in the description of this application, the term "comprising" means "including but not limited to". The terms first, second, third, etc., are used merely as illustrative purposes and do not impose numerical requirements or establish an order.

[0063] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0064] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0065] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0066] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

Claims

1. A door opener, characterized in that, For installation on door panels, including: The housing (3) is used to be installed in the mounting hole of the door leaf; The rocker arm (2) has a first end and a second end opposite to each other, the first end being used to connect to the door frame; An output shaft (6) extends out of the housing (3) and is connected to the second end; At least two planetary gear mechanisms (4) are disposed within the housing (3). Each planetary gear mechanism (4) includes a planet carrier (41), planetary gears (42), and a sun gear (43). The planetary gears (42) are rotatably connected to the planet carrier (41), and the sun gear (43) meshes with the planetary gears (42). Each planetary gear mechanism (4) is distributed along the axial direction of the output shaft (6). In two adjacent planetary gear mechanisms (4), the planet carrier (41) of one planetary gear mechanism (4) is fixedly connected to the sun gear (43) of the other planetary gear mechanism (4). The sun gear (43) is coaxially disposed with the output shaft (6). The drive member (1) is located along the axial direction of the output shaft (6), the planetary gear mechanism (4) is located between the output shaft (6) and the drive member (1), the drive member (1) is connected to the sun gear (43) of the adjacent planetary gear mechanism (4), and the output shaft (6) is connected to the planet carrier (41) of the adjacent planetary gear mechanism (4).

2. The door opener according to claim 1, characterized in that, Also includes: A rotating body (5) is disposed inside the housing (3). The rotating body (5) is connected to the output shaft (6) for transmission, and the rotating body (5) can rotate synchronously with the output shaft (6). An angle sensor (14) is installed inside the housing (3) and is used to detect the rotation angle of the rotating body (5). The control module (15) is located inside the housing (3). The control module (15) is communicatively connected to the drive component (1) and the angle sensor (14). The control module (15) is adapted to control the drive component (1) to drive the output shaft (6) and the rocker arm (2) to rotate through the planetary gear mechanism (4), and is adapted to control the drive component (1) to stop driving when the rotation angle of the rotating body (5) is a preset angle.

3. The door opener according to claim 2, characterized in that, The housing (3) includes a housing body (31) and a cover (32). The housing body (31) is provided with a first receiving groove (311). The control module (15) is located in the first receiving groove (311). The cover (32) is detachably connected to the housing body (31) and the cover (32) closes the first receiving groove (311).

4. The door opener according to claim 2, characterized in that, Also includes: The first gear (7) is connected to the output shaft (6); The second gear (8) is connected to the rotating body (5), and the first gear (7) and the second gear (8) mesh with each other.

5. The door opener according to claim 2, characterized in that, Also includes: The magnet (9) has a receiving cavity inside the rotating body (5), and the magnet (9) is disposed inside the receiving cavity; The angle sensor (14) includes a Hall element located within the magnetic field generated by the magnet (9).

6. The door opener according to claim 5, characterized in that, The rotating body (5) includes: The main body (51) is connected to the output shaft (6) for transmission, and the rotating body (5) can rotate synchronously with the output shaft (6). The main body (51) is provided with a first groove (511). A sealing plug (52) is inserted into the first groove (511), and the sealing plug (52) seals the first groove (511) to form the receiving cavity.

7. The door opener according to claim 1, characterized in that, The planetary carrier (41) connected to the output shaft (6) is provided with a second groove (411). The inner wall of the second groove (411) includes a first inclined surface. The output shaft (6) is inserted into the second groove (411). The outer wall of the output shaft (6) includes a second inclined surface. The first inclined surface and the second inclined surface abut against each other along the axial direction of the output shaft (6). The output shaft (6) is provided with a first through hole (61), and the bottom surface of the second groove (411) is provided with a connecting hole (412); the door opener also includes a connector (13), which is inserted into the first through hole (61) and the connecting hole (412) in sequence, and the connector (13) presses the output shaft (6) and the planetary carrier (41) together along the axial direction of the output shaft (6).

8. The door opener according to claim 1, characterized in that, The housing (3) includes a panel (33) and a housing body (31). The housing body (31) is provided with a second receiving groove (312). The planetary gear mechanism (4) is disposed in the second receiving groove (312). The panel (33) is detachably connected to the housing body (31), and the panel (33) covers the second receiving groove (312). The panel (33) is provided with a second through hole (331) for the output shaft (6) to extend out.

9. The door opener according to claim 8, characterized in that, It also includes a positioning element (12), a fourth through hole (332) is provided on the panel (33), a positioning hole (314) is provided on the shell body (31), and the positioning element (12) passes through the fourth through hole (332) and is inserted into the positioning hole (314).

10. A door, characterized in that, The device includes a door leaf, a door frame, and a door opener as described in any one of claims 1-9. The door leaf and the door frame are rotatably connected. The door leaf is provided with a mounting hole. The housing (3) of the door opener is installed in the mounting hole. The first end of the rocker arm (2) is connected to the door frame.

Images