WO2022042240A1

WO2022042240A1 - Rotary actuator and smart door/window having said rotary actuator

Info

Publication number: WO2022042240A1
Application number: PCT/CN2021/110565
Authority: WO
Inventors: 付政; 黄建昌; 芮正国; 周飞
Original assignee: 裕克施乐塑料制品（太仓）有限公司
Priority date: 2020-08-31
Filing date: 2021-08-04
Publication date: 2022-03-03
Also published as: CN111809999A

Abstract

The present invention provides a rotary actuator and a smart door/window having said rotary actuator. The rotary actuator comprises a housing, a drive unit arranged in the housing, an output shaft, a transmission unit arranged between the drive unit and the output shaft, a control unit electrically connected to the drive unit, a rotary disc fixedly arranged to the output shaft, and an electromagnetic lock assembly arranged in cooperation with the rotary disc. The rotary disc is provided with a locking groove, and the electromagnetic lock assembly is provided with a lock body and a lock tongue protruding from the lock body to cooperate with the locking groove. The smart door/window comprises a frame and a door/window body, the rotary actuator is fixedly provided on the frame and is connected to the door/window body by means of the output shaft or the rotary disc.

Description

Rotary actuator and smart door and window with the same

technical field

The invention relates to the technical field of automatic opening and closing doors and windows, in particular to a rotary actuator which is convenient for installation and control and an intelligent door and window with the rotary actuator.

Background technique

Electric doors and windows are widely used now, and most of their drive designs or transmission mechanisms connected between the drive mechanism and the doors and windows are mostly external, which is more complicated and inconvenient to install, maintain, use or clean. In addition, the electromagnetic lock and drive design configured on some electric doors and windows are placed at different positions, mainly between the free end side of the door and window and the door frame, which leads to more troublesome wiring and more troublesome installation.

Therefore, it is necessary to provide a rotary actuator that can solve the above problems and a smart door and window with the rotary actuator.

SUMMARY OF THE INVENTION

The present invention provides a rotary actuator with simple structure and convenient use, and a smart door and window with the rotary actuator.

In order to achieve the above purpose, the technical solutions provided by the present invention are as follows: a rotary actuator, comprising a casing, a drive unit arranged in the casing, an output shaft, a transmission unit arranged between the drive unit and the output shaft, and an electrical connection The control unit of the drive unit, the rotary actuator further includes a turntable fixedly arranged with the output shaft, an electromagnetic lock assembly arranged in cooperation with the turntable, the turntable has a locking groove, and the electromagnetic lock assembly has a lock body, and a lock tongue protruding out of the lock body to match with the locking groove.

Further, the turntable is coaxially fixed on the output shaft, a plurality of the locking grooves are evenly arranged along the circumferential direction of the turntable, and in the circumferential direction, the open ends of the adjacent locking grooves are connected to each other.

Further, the casing includes a lower casing formed with a bottom wall, the turntable is arranged in parallel with the bottom wall, the locking groove opening is arranged towards the bottom wall, and the electromagnetic lock assembly is fixed in the lower casing.

Further, the drive unit and the transmission unit are both arranged in the casing, and the casing is provided with an opening for the output shaft and the lock tongue to extend, and the drive unit, the electromagnetic lock assembly and the control unit are electrically connected the connecting socket, the turntable is located outside the casing and is fixed at the position where the output shaft protrudes outside the opening.

Further, the locking groove has a locking groove and a guiding groove that are connected up and down, the guiding groove is located at the open end of the locking groove, and the inner diameter of the guiding groove gradually increases from the position adjacent to the locking groove toward the open end. increase, the free end of the lock tongue is arranged in a tapered shape.

Further, the electromagnetic lock assembly also includes a handle fixedly arranged with the deadbolt, the casing has an opening for the handle to extend out of the casing, and the size of the opening is not smaller than that of the deadbolt in the locked position and the unlocked position. The moving distance of the position, so that when the electromagnetic lock assembly is powered off, the unlocking operation can be performed by manually operating the handle.

Further, the housing has a bottom wall, and the driving unit includes a driving motor arranged in the housing parallel to the bottom wall, a worm connected to the output end of the driving motor, and a worm wheel arranged in cooperation with the worm. The unit includes a first gear coaxially arranged with the worm gear, a second gear arranged in cooperation with the first gear, the second gear is fixed on the output shaft, and the output shaft is fixed in the housing .

Further, the rotary actuator further includes an electromagnetic clutch arranged between the worm gear and the first gear, and the electromagnetic clutch is arranged to connect the worm gear and the first gear when energized, so that when the worm gear rotates, it drives the first gear. A gear rotates; when the power is cut off, the transmission relationship between the worm gear and the first gear is disconnected.

Further, the casing includes an upper casing and a lower casing that are butted up and down, the bottom wall is formed on the lower casing, the lower casing also has a bracket extending upward from the bottom wall, and the drive motor passes through the bottom wall. The shock absorbing structure is fixedly arranged on the bracket.

Further, the lower housing also includes a support block spaced from the bracket, and a limit groove is provided on the support block to limit the free end of the worm, the worm has a helical tooth segment and is connected to the worm. A limit shaft at the end of the helical tooth segment, the limit shaft extends into the limit slot, and the length of the limit slot is not less than the extension length of the limit shaft.

Further, the support block is also provided with an oil groove communicated with the limiting groove.

In order to achieve the above purpose, the present invention also provides a smart door and window, the smart door and window further includes the above-mentioned rotary actuator, the rotary actuator is fixedly arranged on the frame, and is connected to the other through the output shaft or the turntable. The doors and windows are connected.

Further, it also includes a raindrop sensor, a sunlight ultraviolet sensor, a wind sensor, an anti-theft system, and a wifi module, which are placed on the frame or the door and window body and communicated with the control unit.

Compared with the prior art, the beneficial effect of the present invention is that: by arranging a turntable on the output shaft of the rotary actuator, the electromagnetic lock assembly is matched with the turntable to realize the rotation control of the rotary actuator, thereby realizing the rotation angle of the smart door and window. Or the switch can be locked, so that the lock structure is integrated into the rotary drive structure of the rotary actuator, so that one-time integral installation can be realized; and the above-mentioned design of the present invention does not need to destroy the edge structure of the door and window, so that the door and window have better integrity, structural stability and appearance. aesthetics are better.

Description of drawings

FIG. 1 is a three-dimensional schematic diagram of a smart door and window according to a preferred embodiment of the present invention.

FIG. 2 is a schematic perspective view of the smart door and window shown in FIG. 1 when the door window is disassembled.

FIG. 3 is a further exploded schematic view of FIG. 2 .

Figure 4 is a partial exploded view of the rotary actuator separating the turntable in the present invention.

FIG. 5 is a view of FIG. 4 from another angle.

FIG. 6 is a further exploded schematic view of the rotary actuator shown in FIG. 4 .

FIG. 7 is a view of FIG. 6 from another angle.

FIG. 8 is a further exploded view of the rotary actuator shown in FIG. 6 .

FIG. 9 is a perspective view of the turntable of the rotary actuator in the present invention.

detailed description

In order to make those skilled in the art better understand the technical solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described The embodiments are only some of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Referring to FIGS. 1 to 9 , the present invention relates to a rotary actuator 100 , and the rotary actuator 100 is suitable for various types of smart doors and windows 800 . Therefore, the present invention may also relate to a smart door and window 800 having a frame 81 , a door and window body 82 mounted on the frame 81 , and the aforementioned rotary actuator 100 . The aforementioned rotary actuator 100 is fixedly arranged on the frame 81 and is connected to the door and window body 82 through an output shaft or a turntable. Preferably, a sealing strip 83 is further provided between the frame 81 and the door and window body 82 .

As shown in FIG. 3 to FIG. 7 , the rotary actuator 100 includes a housing 1 , a driving unit 2 arranged in the housing 1 , an output shaft 3 , and a transmission unit 4 arranged between the driving unit 2 and the output shaft 3 . , Electrically connected to the control unit (not shown) of the drive unit 2 , the turntable 5 fixedly arranged with the output shaft 3 , and the electromagnetic lock assembly 6 cooperating with the turntable 5 . The turntable 5 has a locking groove 51 , the electromagnetic lock assembly 6 has a locking body 61 , and a locking tongue 62 protruding out of the locking body 61 to match with the locking groove 51 .

Specifically, the casing 1 includes an upper casing 11 and a lower casing 12 that are butted up and down, and an accommodating cavity 13 formed between the upper casing 11 and the lower casing 12 . Both the driving unit 2 and the transmission unit 4 are arranged in the accommodating cavity 13 of the housing 1 , so that the waterproof and dustproof performance of the driving unit 2 and the transmission unit 4 can be achieved, and they are also safe and reliable.

In this embodiment, the casing 1 is provided with an opening 111 for the output shaft 3 and the locking tongue 62 to extend, and a connection socket 112 for electrically connecting the driving unit 2, the electromagnetic lock assembly 6 and the control unit. In this embodiment, the opening 111 is provided on the top of the upper case 11 , and the connection socket 112 is provided on the side of the lower case 12 .

Preferably, the turntable 5 is disposed outside the casing 1, specifically the outside of the upper casing 11 in this embodiment, and is fixed at the position where the output shaft 3 protrudes outside the opening 111, so as to reduce the The volume of the housing 1 is convenient for the fixed position of the internal drive unit 2 and the transmission unit 4 , and it is convenient to observe the locking condition of the turntable 5 from the outside of the housing 1 . In this embodiment, in addition to the positioning shaft hole 52 positioned with the output shaft 3 on the turntable 5, two radial sides of the positioning shaft hole 52 are respectively provided with a fixed external rotating object. Such as the fixing hole 53 of the door and window body 82; in this way, the fixing point of the external rotating object can be increased, and the stability of fixing can be enhanced. Of course, the external rotating object can also be directly fixed on the end of the output shaft 3, which can also achieve the purpose of the present invention. In addition, the turntable 5 can also be directly arranged on the external rotating object.

Referring to FIG. 8 , the lower casing 12 has a bottom wall 121 and four side walls 122 extending from four sides of the bottom wall 121 toward the upper casing 11 . The driving unit 2 includes a driving motor 21 disposed in the casing 1 parallel to the bottom wall 121 , a worm 22 connected to the output end of the driving motor 21 , and a worm wheel 23 cooperating with the worm 22 .

Preferably, the lower casing 12 is further provided with a bracket 123 extending upward from the bottom wall 121 , and the drive motor 21 is fixedly arranged on the bracket 123 through the shock absorbing structure 24 . Specifically, the front and rear ends of the housing of the driving motor 21 are provided with protruding shafts 211 protruding outward, and the shock absorbing structure 24 is sleeved on the protruding shafts 211 . A semi-arc-shaped support portion 1231 is formed on the bracket 123 , and a groove 241 is formed on the shock-absorbing structure 24 for matching with the semi-arc-shaped support portion 1231 . Correspondingly, the upper casing 11 is also formed with a bracket 123 corresponding to the lower casing 12 , so that the driving motor 21 is clamped and limited by the bracket 123 .

In addition, the lower casing 12 further includes a support block 124 spaced from the bracket 123 . The support block 124 is provided with a limiting groove 1241 for limiting the free end of the worm 22 . Specifically, the worm 22 has a fixed shaft that is fixed with the output shaft of the drive motor 21 , a helical tooth segment 222 connected to the fixed shaft, and a limit shaft 223 connected to the end of the helical tooth segment 222 . The limit shaft 223 extends into the limit slot 1241, and the length of the limit slot 1241 is not less than the extension length of the limit shaft 223, so that when the driving motor 21 is powered on, all The worm 22 has a certain floating space along the axial direction. Further, the support block 124 is further provided with an oil groove 1242 communicated with the limit groove 1241 to increase the lubricity of the limit shaft 223 of the worm 22 and the limit groove 1241 .

The transmission unit 4 includes a first gear 41 coaxially arranged with the worm gear 23 , and a second gear 42 arranged in cooperation with the first gear 41 . The second gear 42 is fixed on the output shaft 3 , The output shaft 3 is fixed in the housing 1 through a bearing seat.

As shown in the drawings, in this embodiment, the rotary actuator 100 further includes an electromagnetic clutch 7 arranged between the worm gear 23 and the first gear 41 , and the electromagnetic clutch 7 is arranged to connect the The worm wheel 23 and the first gear 41 are described so that when the worm wheel 23 rotates, the first gear 41 is driven to rotate; when the power is turned off, the transmission relationship between the worm wheel 23 and the first gear 41 is disconnected.

Specifically, as shown in FIG. 8 , the electromagnetic clutch 7 is fixed on the bottom wall 121 of the lower casing 12 , is disposed adjacent to the worm 22 , and has a casing fixed on the lower casing 12 , The electromagnetic component (not shown) arranged in the casing and the pivoting mechanism arranged on the casing are rotated, and the pivoting mechanism has a rotating shaft 721 protruding outward.

The worm wheel 23 is sleeved on the outer side of the rotating shaft 721, and a magnetic coil is fixed on the side facing the electromagnetic component. The first gear 41 is located on the side of the worm gear 23 away from the magnetic coil, and is fixedly arranged with the rotating shaft 721 . When the electromagnetic clutch 7 is energized, under the action of the electromagnetic components, the worm wheel 23 is axially attracted and fixed with the pivoting mechanism through the magnetic coil, and then when the driving motor 21 is working, the worm wheel 22 drives the worm wheel 23, The pivot mechanism drives the first gear 41 to rotate, and the rotation of the first gear 41 further drives the second gear 42 , the output shaft 3 and the turntable 5 to rotate, so as to realize the opening and closing control of the door and window body 82 . When the electromagnetic clutch 7 is powered off, the worm gear 23 is disconnected from the pivoting mechanism and can freely rotate relative to the pivoting mechanism, that is, the pivoting mechanism and the first gear 41 and the worm gear 23 will not form a linkage relationship. When the turntable 5 is unlocked, the door and window body 82 can be manually operated, and the opening and closing of the door and window body 82 can be manually controlled.

The output shaft 3 is rotatably fixed on the bottom wall 121 of the lower casing 12 through a bearing, and is arranged in parallel with the rotating shaft 721 . In this embodiment, the second gear 42 is directly meshed with the first gear 41 . Of course, under the requirement of space design, the second gear 42 can also be driven and matched with the first gear 41 through a rack.

The turntable 5 is coaxially fixed on the output shaft 3, a plurality of the locking grooves 51 are evenly arranged along the circumferential direction of the turntable 5, and in the circumferential direction, the open ends of the adjacent locking grooves 51 are connected to each other. . Here, the open ends are connected to each other, which means that the edges of the open ends are connected, so that when the locking tongue 62 extends, it can directly extend into the locking groove 51 to form a locking fit.

Specifically, in this embodiment, the turntable 5 is arranged in parallel with the bottom wall 121 of the lower casing 12 , the locking groove 51 is opened toward the bottom wall 121 , and the electromagnetic lock assembly 6 is fixed in the lower casing 121 .

Further, as shown in FIG. 9 , the locking groove 51 has a locking groove 511 and a guiding groove 512 connected up and down, the guiding groove 512 is located at the open end of the locking groove 51 , and the inner diameter of the guiding groove 512 is It gradually increases from the position adjacent to the locking groove 511 toward the open end, and the free end of the locking tongue 62 is arranged in a tapered shape, thereby further realizing the locking and guiding of the locking tongue 62 and the locking groove 51 to ensure the insertion connection stability.

Preferably, as shown in FIG. 8 , in this embodiment, the lock body 61 in the electromagnetic lock assembly 6 is fixed on the bottom wall 121 of the lower casing 1 through an L-shaped base plate 60 , and the lower end of the lock body 61 is separated from The bottom wall 121 is at a certain distance. The electromagnetic lock assembly 6 further includes a handle 63 fixedly arranged with the lock tongue 62 , the handle 63 has a connection section 631 connected to the lower end of the lock tongue 62 , and the connection section 631 is parallel to the bottom wall 121 . The extended operating segment 632; on the housing 1, in this embodiment, the side wall 122 of the lower housing 12 has an opening 1224 for the operating segment 632 of the handle 63 to protrude out of the housing 1, and the opening 1224 has an opening 1224. The size is not less than the moving distance of the locking tongue 62 between the locking position and the unlocking position, so that when the electromagnetic lock assembly 6 is powered off, the unlocking operation can be performed by manually operating the handle 63 . A certain distance between the lower end of the lock body 61 and the bottom wall 121 is not less than the size of the opening 1224 .

In addition, in the present invention, when the above-mentioned rotary actuator 100 is applied to the smart door and window 800, the smart door and window 800 may further include a raindrop sensor, a sunlight sensor, a raindrop sensor placed on the frame 81 or the door and window body 82, and a communication connection with the control unit. Ultraviolet sensor, wind sensor, anti-theft system, wifi module, and then according to the detection data of raindrop sensor, sunlight ultraviolet sensor, wind sensor, etc., through the rotary actuator 100 to control the opening and closing or opening angle of the door and window body 82, etc.; or through the wifi module The remote control of the door and window body 82 is realized, which is convenient for users to use.

The above-mentioned frame 81 and door and window body 82 can be designed in various shapes according to requirements, and between the door and window body 82 and the frame 81, a vertical rotation connection in the middle position, a horizontal rotation connection, or a conventional corner rotation can be formed through the rotary actuator 100 connection and so on.

As shown in FIG. 1 to FIG. 3 , in this embodiment, the door and window body 82 is designed in a turn-on-vertical and elliptical shape, and a middle position of the bottom of the frame 81 is formed to install the rotary actuator 100 . Cavity 811 is installed. The door and window body 82 has a frame 821 , the lower end of the frame 821 is fixed to the turntable 5 , and the top is rotatably fixed to the inner top wall of the frame 81 through a rotating shaft.

In addition, the rotary actuator 100 of course also includes a power supply module, and the power supply module may be household direct current, or solar power or the like.

It should be understood that although this specification is described according to embodiments, not every embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole, and each The technical solutions in the embodiments can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

The series of detailed descriptions listed above are only specific descriptions for the feasible embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Any equivalent embodiments or changes made without departing from the technical spirit of the present invention All should be included within the protection scope of the present invention.

Claims

A rotary actuator, comprising a casing, a drive unit arranged in the casing, an output shaft, a transmission unit arranged between the drive unit and the output shaft, and a control unit electrically connected to the drive unit, characterized in that: The rotary actuator also includes a turntable fixedly arranged with the output shaft, an electromagnetic lock assembly arranged in cooperation with the turntable, the turntable is provided with a locking groove, and the electromagnetic lock assembly has a lock body that protrudes out of the lock body to be connected with the lock body. The locking tongue is matched with the locking groove.
The rotary actuator according to claim 1, wherein the turntable is coaxially fixed on the output shaft, the locking grooves are uniformly arranged in a plurality along the circumferential direction of the turntable, and are opposite to each other in the circumferential direction. The open ends of the adjacent locking grooves are connected to each other.
The rotary actuator according to claim 1 or 2, wherein the casing comprises a lower casing formed with a bottom wall, the turntable is arranged parallel to the bottom wall, and the locking groove opening is arranged towards the bottom wall , the electromagnetic lock assembly is fixed in the lower casing.
The rotary actuator according to claim 3, wherein the driving unit and the transmission unit are both arranged in the casing, and the casing is provided with an opening for the output shaft and the lock tongue to protrude, The drive unit, the electromagnetic lock assembly and the connection socket of the control unit are electrically connected, and the turntable is located outside the casing and is fixed at the position where the output shaft protrudes outside the opening.
The rotary actuator according to claim 2, wherein the locking groove has a locking groove and a guiding groove connected up and down, the guiding groove is located at the open end of the locking groove, and the inner diameter of the guiding groove is It gradually increases from the position adjacent to the locking groove toward the open end, and the free end of the locking tongue is arranged in a tapered shape.
The rotary actuator according to claim 1, wherein the electromagnetic lock assembly further comprises a handle fixedly arranged with the lock tongue, the casing has an opening for the handle to extend out of the casing, and the opening The size is not less than the moving distance of the lock tongue between the locking position and the unlocking position, so that when the electromagnetic lock assembly is powered off, the unlocking operation can be performed by manually operating the handle.
The rotary actuator according to claim 1, wherein the housing has a bottom wall, and the driving unit comprises a driving motor arranged in the housing parallel to the bottom wall, and a driving motor connected to the output end of the driving motor. a worm and a worm wheel cooperating with the worm, the transmission unit includes a first gear coaxially arranged with the worm wheel, a second gear arranged in cooperation with the first gear, and the second gear is fixed on the output shaft above, the output shaft is fixed in the housing.
The rotary actuator of claim 7, wherein the rotary actuator further comprises an electromagnetic clutch arranged between the worm gear and the first gear, the electromagnetic clutch being arranged to connect the The worm gear and the first gear make the first gear rotate when the worm gear rotates; when the power is cut off, the transmission relationship between the worm gear and the first gear is disconnected.
The rotary actuator according to claim 7, wherein the casing comprises an upper casing and a lower casing that are butted up and down, the bottom wall is formed on the lower casing, and the lower casing further has an automatic A bracket extending upward from the bottom wall, and the drive motor is fixedly arranged on the bracket through a shock absorbing structure.
The rotary actuator according to claim 9, wherein the lower housing further comprises a support block spaced from the bracket, and a limiter for limiting the free end of the worm is provided on the support block. The worm has a helical tooth segment and a limit shaft connected to the end of the helical tooth segment, the limit shaft extends into the limit slot, and the length of the limit slot is not less than the length of the limit shaft. Extended length.
The rotary actuator according to claim 10, wherein the support block is further provided with an oil groove communicated with the limiting groove.
An intelligent door and window, comprising a frame and a door and window body mounted on the frame, characterized in that: the intelligent door and window further comprises the rotary actuator according to any one of claims 1 to 11, the rotary actuator It is fixedly arranged on the frame, and is connected with the door and window body through the output shaft or the turntable.
The smart door and window according to claim 12, further comprising a raindrop sensor, a sunlight UV sensor, a wind sensor, an anti-theft system, and a wifi module, which are placed on the frame or the door and window body and communicated with the control unit.