A concealed window opener and door window

Abstract

The application provides a hidden window opener and a door and window, the window opener comprising a cover body, a sliding mechanism, a transmission conversion mechanism and a window opening mechanism; the cover body is used for being fixed to a frame body; the sliding mechanism comprises an external magnetic attraction member and an internal magnetic attraction member, the external magnetic attraction member is slidably arranged on the outside of the cover body, the internal magnetic attraction member is slidably arranged on the inside of the cover body, the external magnetic attraction member and the internal magnetic attraction member are magnetically attracted to each other, and when the external magnetic attraction member slides under the action of an external force, the internal magnetic attraction member can be driven to synchronously translate by magnetic attraction; the transmission conversion mechanism is connected with the internal magnetic attraction member and is used for converting the translational motion of the internal magnetic attraction member into rotational motion; the window opening mechanism is in transmission connection with the output end of the transmission conversion mechanism and is used for applying the rotational motion to a sash body to realize the opening and closing of the sash body. The main transmission structure of the window opener can be hiddenly arranged, and only the external magnetic attraction member is arranged on the outside of the cover body, so that the exposed components do not damage the simplicity and coordination of the appearance of the door and window, the operation process is simplified, and the use convenience is improved.

Description

Technical Field

[0001] This invention relates to the technical field of door and window hardware, and particularly to a concealed window opener and door / window. Background Technology

[0002] In window and door hardware systems, various hardware components are used to open and close window sashes. Existing common hand-cranked concealed window openers, such as those disclosed in CN214943572U and CN202359957U, all feature exposed hand cranks, relying on rigid transmission components to transmit power. The main mechanical structure of these openers is located entirely on the outside of the window and door profiles, causing the transmission components and crank to protrude significantly from the facade. This exposed structure not only disrupts the simplicity and harmony of the overall appearance of the windows and doors, making the building facade appear cluttered and reducing visual appeal, but also requires users to repeatedly rotate the hand crank to open and close the window sash. This process is time-consuming and cumbersome, greatly impacting the convenience and comfort of daily use. Especially in the trend of minimalist aesthetics in modern architecture, the damage caused by exposed components to the overall integrity of windows and doors is becoming increasingly prominent, and the continuous manual rotation increases the burden on users, making it difficult to meet the demands for efficient and elegant use. Summary of the Invention

[0003] The purpose of this invention is to provide a concealed window opener and door / window to solve the problems of unsightly exposed concealed window openers and inconvenient operation.

[0004] The first aspect of this invention provides a concealed window opener, including a cover, a sliding mechanism, a transmission conversion mechanism, and a window opening mechanism; the cover is fixed to a frame; the sliding mechanism includes an external magnetic attractor and an internal magnetic attractor, the external magnetic attractor being slidably disposed on the outside of the cover, and the internal magnetic attractor being slidably disposed on the inside of the cover, the external magnetic attractor and the internal magnetic attractor being magnetically attracted to each other, and when the external magnetic attractor slides under the action of an external force, it can drive the internal magnetic attractor to translate synchronously through the magnetic attraction; the transmission conversion mechanism is connected to the internal magnetic attractor and is used to convert the translational motion of the internal magnetic attractor into rotational motion; the window opening mechanism is drivenly connected to the output end of the transmission conversion mechanism and is used to apply the rotational motion to the fan body to realize the opening and closing of the fan body.

[0005] Furthermore, the external magnetic component is provided with a first sliding guide portion, and the outer side of the cover is provided with a second sliding guide portion. The first sliding guide portion and the second sliding guide portion cooperate with each other to realize the external magnetic component sliding on a preset trajectory on the outer side of the cover.

[0006] Furthermore, the external magnetic chuck includes a housing, a first magnetic chuck, and a first roller. The first magnetic chuck is positioned on the housing, and the first roller protrudes from the housing and rolls in cooperation with the outer side of the cover.

[0007] Furthermore, the outer shell is provided with a force-receiving part that facilitates the application of sliding forces thereto.

[0008] Furthermore, the built-in magnetic attractor includes an inner housing, a second magnetic attractor, and a second roller. The inner housing is connected to the transmission conversion mechanism. The second magnetic attractor is positioned in the inner housing and attracts the first magnetic attractor. The second roller protrudes from the inner housing and slides inside the cover.

[0009] Furthermore, the transmission conversion mechanism includes a transmission belt and several transmission wheels. The built-in magnetic attraction element is connected to the transmission belt to drive the transmission belt to translate. The transmission belt is sleeved on the several transmission wheels to drive the several transmission wheels to rotate during translation.

[0010] Furthermore, the transmission conversion mechanism also includes a bracket, which is disposed inside the cover. At least one of the transmission wheels has a transmission shaft rotatably connected to the bracket, and the transmission shaft is provided with a transmission gear that is connected to the window opening mechanism.

[0011] Furthermore, the window opening mechanism includes a reducer and a swing arm. The reducer is located inside the cover, and the swing arm extends out of the cover to connect to the fan body. One end of the reducer is connected to the output end of the transmission conversion mechanism, and the other end of the reducer is connected to one end of the swing arm. The other end of the swing arm applies rotational motion to the fan body to open and close the fan body.

[0012] Furthermore, the window opening mechanism also includes a connecting shaft, which is connected to the other end of the swing arm and is used to slide with the sliding groove on the fan body.

[0013] A second aspect of the present invention provides a door or window, including a frame, a sash, and the aforementioned concealed window opener, wherein the concealed window opener is disposed between the frame and the sash and is used to open and close the sash.

[0014] The beneficial effects of this plan are as follows: This application utilizes a magnetic non-contact power transmission method, eliminating the need for the external crank and rigid through-drive structure of traditional hand-cranked window openers. It removes the need for a protruding hand crank component, using only an external magnetic attachment. Opening and closing the window is achieved simply by pushing or pulling the external magnetic attachment, and the bidirectional sliding operation is simpler than manual rotation. The main transmission structure of the window opener can be concealed, with only the external magnetic attachment on the outside of the cover. This avoids exposed components disrupting the simplicity and harmony of the door and window's appearance, simplifies the operation process, and improves ease of use. Attached Figure Description

[0015] Figure 1 This is a structural diagram of doors and windows; Figure 2 This is a schematic diagram of the window opener. Figure 3 for Figure 2 A magnified view of a portion of circle A in the center; Figure 4 for Figure 2 A cross-sectional view; Figure 5 A partial exploded view of the window opener; Figure 6 for Figure 2 A schematic diagram of the decomposed structure; Figure 7 This is a schematic diagram of the mating structure of the external magnetic clasp and the internal magnetic clasp; Figure 8 for Figure 7 A schematic diagram of its decomposed structure.

[0016] Explanation of reference numerals in the attached figures: 1. Frame; 101. Second sliding guide; 2. Sector; 10. Cover; 20. Sliding mechanism; 21. External magnetic clasp; 211. Outer shell; 212. First magnetic clasp; 213. First roller; 214. Force-bearing part; 215. First sliding guide part; 22. Internal magnetic clasp; 221. Inner shell; 222. Second magnetic clasp; 223. Second roller; 30. Transmission conversion mechanism; 31. Transmission belt; 32. Transmission wheel; 321. First transmission wheel; 3211. Transmission shaft; 3212. Transmission gear; 322. Second transmission wheel; 33. Bracket; 40. Window opening mechanism; 41. Reducer; 411. Cover; 412. Box; 413. Reduction gear; 414. Bracket connector; 42. Swing arm; 421. Connecting shaft. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0018] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing this invention 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 invention; the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance; furthermore, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "joined" should be interpreted broadly, for example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or they can refer to the internal communication of two components. For those skilled in the art, the specific meaning of the terms in this invention can be understood according to the specific circumstances.

[0019] See Figure 1 This embodiment discloses a door or window, which is an electric or manual casement window. It includes a frame 1, a sash 2, and a concealed window opener, which is located between the frame 1 and the sash 2 and is used to open and close the sash 2.

[0020] See further Figure 2-8 The concealed window opener of this solution includes a cover 10, a sliding mechanism 20, a transmission conversion mechanism 30, and a window opening mechanism 40. The cover 10 is fixed to the frame 1. The sliding mechanism 20 includes an external magnetic 21 and an internal magnetic 22. The external magnetic 21 is slidably disposed on the outside of the cover 10, and the internal magnetic 22 is slidably disposed on the inside of the cover 10. The external magnetic 21 and the internal magnetic 22 are magnetically attracted to each other. When the external magnetic 21 slides under the action of external force, it can drive the internal magnetic 22 to move synchronously through magnetic attraction. The transmission conversion mechanism 30 is connected to the internal magnetic 22 and is used to convert the translational motion of the internal magnetic 22 into rotational motion. The window opening mechanism 40 is connected to the output end of the transmission conversion mechanism 30 and is used to apply the rotational motion to the fan body 2 to realize the opening and closing of the fan body 2.

[0021] The cover 10 refers to the shell or outer casing used to cover or house the internal components. Its material is the same as the frame 1 profile, and it is designed to be detachably fixed to the door / window frame 1, providing protection and support for the internal mechanism of the window opener. Specifically, the length and width of the cover 10 are adapted to the frame 1 profile, so that after installation on the frame 1, the cover 10 can form a unified shape with the frame 1. The cover 10 can be securely installed in the reserved position on the frame 1 using screws, rivets, clips, or adhesives to ensure the overall stability and reliability of the window opener. The cover 10 allows the main working parts of the window opener to be concealed, thereby improving the overall aesthetics of the door / window.

[0022] In this design, the inner and outer magnetic components work together. When an external force pushes or pulls the outer magnetic component 21 to move along the outer surface of the cover 10, the magnetic force penetrates the cover 10 and pulls the inner magnetic component 22 to move synchronously in a straight line. The linear motion of the inner magnetic component 22 is input to the transmission conversion mechanism 30, which converts it into rotational motion. The rotational power is then transmitted to the window opening mechanism 40, ultimately driving the door or window sash to open or close. This design relies on magnetic force for window opening, eliminating the need for mechanical linkages passing through the cover 10. All hardware structures within the cover 10 can be concealed, resulting in a more aesthetically pleasing appearance. Furthermore, the cover 10 effectively prevents moisture, dust, and other impurities from entering the hardware, enhancing its protective capabilities. Simultaneously, this design eliminates the external hand crank, replacing it with a push-pull operation for greater convenience. As the outer magnetic component 21 is positioned at the bottom or top of the frame 1, only the linear movement of the outer magnetic component 21 is required to stably open and close the window using the window opening mechanism 40, saving time and effort.

[0023] This embodiment cleverly utilizes the magnetic attraction between the external magnetic component 21 and the internal magnetic component 22 by introducing a sliding mechanism 20, achieving contactless synchronous transmission between the internal and external components. This design allows the operating component (external magnetic component 21) to be designed to be flatter or flush with the surface of the door and window profile, thus avoiding the protruding problem of traditional hand cranks and greatly improving the overall aesthetics of the doors and windows. Users can drive the window opener with a simple sliding operation, which is more intuitive and convenient than continuously rotating the crank.

[0024] See Figure 3-4 The external magnetic suction component 21 is provided with a first sliding guide part 215, and the outer side of the cover 10 is provided with a second sliding guide part 101. The first sliding guide part 215 and the second sliding guide part 101 cooperate with each other to realize that the external magnetic suction component 21 slides on a preset trajectory on the outer side of the cover 10.

[0025] The first sliding guide 215 is a structure disposed on the external magnetic chuck 21, and its function is to provide a clear direction of movement or path constraint for the external magnetic chuck 21. The first sliding guide 215 can be a raised guide rail, a groove, a guide pin, or a guide block. The second sliding guide 101 is a structure disposed on the outside of the cover 10, and its function is to cooperate with the first sliding guide 215 to jointly define the sliding path of the external magnetic chuck 21. The second sliding guide 101 can be a groove, a raised guide rail, a guide hole, or a guide groove that cooperates with the first sliding guide 215, and its geometry and dimensions should match those of the first sliding guide 215. The cooperation between the first sliding guide 215 and the second sliding guide 101 aims to ensure, through mechanical constraint, that the external magnetic chuck 21 moves accurately and stably along a specific path outside the cover 10, thereby effectively preventing deviation or jamming during sliding.

[0026] When the user applies external force to the external magnetic clasp 21 to make it slide, the mechanical cooperation between the first sliding guide 215 and the second sliding guide 101 can effectively constrain the movement direction and path of the external magnetic clasp 21, preventing it from deviating or shaking. This precise sliding guidance ensures that the external magnetic clasp 21 can move stably and smoothly along a straight or curved path, thereby accurately driving the built-in magnetic clasp 22 to move synchronously through magnetic attraction, improving the smoothness of user operation and the overall user experience.

[0027] See Figure 7-8 The external magnetic absorbing component 21 includes an outer shell 211, a first magnetic absorbing component 212 and a first roller 213. The first magnetic absorbing component 212 is positioned on the outer shell 211, and the first roller 213 extends out of the outer shell 211 and slides in cooperation with the outside of the cover 10.

[0028] The outer casing 211 is the external structure used to house and protect the internal components. It can be made of various materials, such as engineering plastics, metal alloys, or composite materials, to provide sufficient strength and wear resistance. Its shape and size can be optimized according to the overall design of the window opener and the installation space, for example, designed as a flat, streamlined shape or a shape with a specific gripping area. The first magnetic chuck 212 is a component that generates magnetic force to attract each other with the built-in magnetic chuck 22. It can be a permanent magnet with stable magnetic properties; it can be an electromagnet that generates a magnetic field by passing an electric current, thereby achieving controllable adjustment of the magnetic force; or it can be a metal block that can be attracted to a magnet. The key is to achieve a stable fit with the second magnetic chuck 222.

[0029] In this design, the outer shell 211 is provided with several compartments that support the first magnetic component 212. The first magnetic component 212 can be positioned in the outer shell 211 by means of bonding, snapping, screw fixing, or embedded installation, so as to ensure that the first magnetic component 212 remains stable during sliding and will not be displaced or fall off, thereby ensuring the stable transmission of magnetic force.

[0030] When the user applies external force to the external magnetic chuck 21, the outer casing 211 acts as a whole to bear and transmit the force. Under the protection of the outer casing 211, the internal first magnetic chuck 212 generates magnetic force, maintaining a stable magnetic attraction with the built-in magnetic chuck 22 inside the cover 10. The first roller 213 extending from the outer casing 211 forms rolling contact with the outside of the cover 10, converting any potential sliding friction into rolling friction. This rolling contact significantly reduces the frictional resistance of the external magnetic chuck 21 when moving outside the cover 10, avoiding jamming, wear, or unevenness that might result from direct sliding. Therefore, the external magnetic chuck 21 can slide more smoothly and with less force on the outside, efficiently driving the built-in magnetic chuck 22 to move synchronously through a stable magnetic force, ensuring smooth operation and ease of use of the entire sliding mechanism 20.

[0031] In one embodiment, the outer casing 211 is provided with a force-receiving portion 214 that facilitates the application of a sliding force thereto. The force-receiving portion 214 is a specific area or structure on the outer casing 211 that allows the user to apply a sliding force. This force-receiving portion 214 can be a surface area with an anti-slip texture, such as one formed by molding or surface treatment; it can also be a groove, protrusion, or handle-like structure, such as finger grooves, grip protrusions, or small handles provided on the side or top of the casing. The provision of the force-receiving portion 214 provides the user with a clear and easy-to-operate contact point, thereby optimizing the user's experience when applying force.

[0032] In one embodiment, the built-in magnetic absorbing member 22 includes an inner housing 221, a second magnetic absorbing member 222 and a second roller 223. The inner housing 221 is connected to the transmission conversion mechanism 30. The second magnetic absorbing member 222 is positioned in the inner housing 221 and attracts each other with the first magnetic absorbing member 212. The second roller 223 extends out of the inner housing 221 and slides in cooperation with the inner side of the cover 10.

[0033] The inner housing 221 is the main structure of the built-in magnetic chuck 22. Its main function is to provide a carrier for the installation and positioning of the second magnetic chuck 222 and the second roller 223, and to serve as the connection interface between the built-in magnetic chuck 22 and the transmission conversion mechanism 30. The second magnetic chuck 222 is the core component in the built-in magnetic chuck 22 that generates magnetic force. Its function is to attract each other with the first magnetic chuck 212 in the external magnetic chuck 21, so that when the external magnetic chuck 21 moves, the built-in magnetic chuck 22 is driven to move synchronously through magnetic coupling. The second magnetic chuck 222 can be a metal block, electromagnet, or permanent magnet adapted to the first magnetic chuck 212.

[0034] When the external magnetic chuck 21 slides along the outer side of the cover 10 under the action of external force, its internal first magnetic chuck 212 and the internal second magnetic chuck 222 are attracted to each other through magnetic force penetrating the wall of the cover 10. Due to the magnetic coupling effect, the translational motion of the external magnetic chuck 21 is accurately transmitted to the internal magnetic chuck 22. The second roller 223 protrudes from the inner shell 221 and closely cooperates with the preset sliding surface on the inner side of the cover 10, effectively converting the sliding friction between the internal magnetic chuck 22 and the inner wall of the cover 10 into rolling friction, reducing the motion resistance, and ensuring that the internal magnetic chuck 22 can be synchronously translated on the inner side of the cover 10 with extremely low friction and high stability. The inner shell 221 establishes a reliable connection with the transmission conversion mechanism 30, so that the translational motion of the internal magnetic chuck 22 can be efficiently and accurately transmitted to the transmission conversion mechanism 30, thereby driving the transmission conversion mechanism 30 to convert the translational motion into rotational motion, and then driving the window opening mechanism 40 to realize the opening and closing of the fan 2.

[0035] In one embodiment, the transmission conversion mechanism 30 includes a transmission belt 31 and a transmission wheel 32. A built-in magnetic attractor 22 is connected to the transmission belt 31 to drive the transmission belt 31 to translate. The transmission belt 31 is sleeved on the outside of the transmission wheel 32 to drive the transmission wheel 32 to rotate during translation.

[0036] When the external magnetic chuck 21 slides under the action of an external force, it drives the internal magnetic chuck 22 to translate synchronously through magnetic attraction. Since the internal magnetic chuck 22 is connected to the transmission belt 31, the translational motion of the internal magnetic chuck 22 is directly transmitted to the transmission belt 31, causing the transmission belt 31 to translate as well. The transmission belt 31 is sleeved on the outside of the transmission wheel 32. When the transmission belt 31 translates, its contact surface with the transmission wheel 32 generates relative motion, driving the transmission wheel 32 to rotate around its axis through friction or tooth meshing force.

[0037] It should be noted that the transmission belt 31 in this design can be a transmission belt or a transmission chain, and the corresponding transmission wheel 32 can be a pulley or a sprocket. The inner housing 221 is provided with mounting positions for mounting on the transmission chain or transmission belt, thereby achieving stable positioning of the inner housing 221 on the transmission belt 31.

[0038] Specifically, the transmission wheel 32 includes a first transmission wheel 321 and a second transmission wheel 322; the transmission belt 31 is sleeved on the outside of the first transmission wheel 321 and the second transmission wheel 322; the transmission shaft 3211 of the first transmission wheel 321 is connected to the window opening mechanism 40.

[0039] The first transmission wheel 321 and the second transmission wheel 322 can be toothed synchronous pulleys (corresponding to a transmission chain) for meshing with the teeth on the synchronous belt to achieve precise transmission without slippage; or they can be smooth-surfaced pulleys (corresponding to a transmission belt) for cooperating with the friction-type transmission belt 31 to transmit power through friction. The two transmission wheels 32 together form the support for the transmission belt 31, ensuring that the transmission belt 31 runs stably on the preset path. The transmission belt 31 forms a closed transmission circuit around the first transmission wheel 321 and the second transmission wheel 322, so that when the transmission belt 31 translates under the drive of the built-in magnetic attraction 22, it simultaneously drives the two transmission wheels 32 to rotate. It should be noted that the rotation shaft of the first transmission wheel 321 rotates synchronously with the first transmission wheel 321, thereby applying rotational force to the window opening mechanism 40. The rotation shaft of the second transmission wheel 322 rotates asynchronously with the second transmission wheel 322, and the transmission shaft 3211 of the second transmission wheel 322 is positioned on the frame 1 or the cover 10, thereby achieving stable transmission of the synchronous belt. Through the coordinated action of the two drive pulleys 32, the running trajectory of the drive belt 31 is effectively limited, thereby improving the stability and reliability of the transmission.

[0040] Furthermore, the transmission conversion mechanism 30 also includes a bracket 33; the bracket 33 is located inside the cover 10, and the transmission shaft 3211 of the first transmission wheel 321 is rotatably connected to the bracket 33; the transmission shaft 3211 is provided with a transmission gear 3212 that is connected to the window opening mechanism 40.

[0041] The bracket 33 can be fixed to the inner wall of the cover 10 or the frame 1 by screws, clips, riveting, etc., providing a solid support platform for the transmission conversion mechanism 30. The transmission shaft 3211 of the first transmission wheel 321 is rotatably connected to the bracket 33, so that the transmission shaft 3211 can maintain good concentricity and stability during rotation, effectively avoiding the decrease in transmission efficiency or component wear caused by shaft misalignment or shaking. The transmission shaft 3211 is equipped with a transmission gear 3212 and forms a transmission connection with the window opening mechanism 40. When the first transmission wheel 321 rotates under the drive of the transmission belt 31, its transmission shaft 3211 rotates accordingly, thereby driving the transmission gear 3212 to rotate. The transmission gear 3212 accurately transmits the rotational power to the window opening mechanism 40, thereby driving the window opening mechanism 40 to perform the opening and closing operation of the fan body 2.

[0042] In one embodiment, the window opening mechanism 40 includes a reducer 41 and a swing arm 42. The reducer 41 is disposed inside the cover 10, and the swing arm 42 extends out of the cover 10 to connect to the fan body 2. One end of the reducer 41 is connected to the output end of the transmission conversion mechanism 30, and the other end of the reducer 41 is connected to one end of the swing arm 42. The other end of the swing arm 42 applies rotational motion to the fan body 2 to realize the opening and closing of the fan body 2.

[0043] The reducer 41 is a mechanical transmission device used to reduce rotational speed and increase torque. Through the reducer 41, the higher speed, lower torque rotary motion output from the transmission conversion mechanism 30 can be converted into a lower speed, higher torque rotary motion, thereby providing sufficient driving torque for opening and closing the fan body 2 and achieving smooth and controllable movement. The reducer 41 can take various forms; for example, it can be a planetary gear reducer 41, achieving compact and efficient speed reduction through a planetary gear set; it can also be a worm gear reducer 41, which has a self-locking function to effectively prevent the fan body 2 from moving accidentally when not in operation; it can also be a helical gear reducer 41 or a spur gear reducer 41, which are characterized by high load-bearing capacity and simple structure, respectively.

[0044] The swing arm 42, as the actuator for torque transmission and motion conversion, effectively transmits and applies the rotational motion output by the reducer 41 to the fan body 2, thereby realizing the opening or closing of the fan body 2. The swing arm 42 is connected by a rigid connecting rod via a pin or bolt.

[0045] The reducer 41 is housed inside the cover 10, which not only effectively protects the reducer 41 from external environmental corrosion and extends its service life, but also makes the overall structure of the window opener more compact and aesthetically pleasing, facilitating concealed installation. The reducer 41 is fixed to a pre-set mounting position inside the cover 10 by screws, clips, or welding. The swing arm 42 extends out of the cover 10 to connect to the fan body 2, ensuring an effective mechanical connection between the swing arm 42 and the fan body 2, and transmitting the driving torque provided by the reducer 41 to the fan body 2 to achieve the opening and closing of the fan body 2. The cover 10 has an opening or slot through which the swing arm 42 extends, and its extended portion connects to the fan body 2.

[0046] In order to achieve a stable connection between the reducer 41 and the bracket 33, the reducer 41 is connected to the bracket 33 through the bracket connector 414 while it is installed on the frame 1, thereby ensuring a stable match between the transmission shaft 3211 of the first transmission wheel 321 and the reducer 41.

[0047] Furthermore, the window opening mechanism 40 also includes a connecting shaft 421, which is connected to the other end of the swing arm 42 and is used to slide with the sliding groove on the fan body 2.

[0048] The reducer 41 includes a cover 411, a housing 412, and several reduction gears 413 disposed within the housing 412. The transmission gear 3212 of the first transmission wheel 321 meshes with the reduction gear 413 at the input end of the reducer 41, inputting the longitudinal rotational motion generated by the transmission conversion mechanism 30 into the reducer 41, forming a horizontal rotational force of the reduction gears 413 in the reducer 41. Through the meshing connection of several reduction gears 413, the torque of the rotational motion is amplified and the speed is reduced. One end of the swing arm 42 is sleeved on and fixed to the rotating shaft of the reduction gear 413 at the output end of the reducer 41 to receive the reduced rotational force. The other end of the swing arm 42 is slidably connected to the slide groove through the connecting shaft 421. During the rotation of the swing arm 42, the connecting shaft 421 slides in the slide groove of the slide groove and drives the fan body 2 to rotate, thereby realizing the opening and closing operation of the fan body 2.

[0049] The above embodiments merely illustrate several implementation methods of the present invention, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these all fall within the protection scope of the present invention. Therefore, the protection scope of this patent should be determined by the appended claims.

Claims

1. A concealed window opener, characterized in that, include: The cover is used to fix it to the frame; The sliding mechanism includes an external magnetic attractor and an internal magnetic attractor. The external magnetic attractor is slidably disposed on the outside of the cover, and the internal magnetic attractor is slidably disposed on the inside of the cover. The external magnetic attractor and the internal magnetic attractor are magnetically attracted to each other. When the external magnetic attractor slides under the action of external force, it can drive the internal magnetic attractor to move synchronously through magnetic attraction. A transmission conversion mechanism, connected to the built-in magnetic attractor, is used to convert the translational motion of the built-in magnetic attractor into rotational motion; The window opening mechanism is connected to the output end of the transmission conversion mechanism and is used to apply the rotational motion to the fan body to realize the opening and closing of the fan body.

2. The concealed window opener according to claim 1, characterized in that, The external magnetic connector has a first sliding guide portion, and the outer side of the cover has a second sliding guide portion. The first sliding guide part and the second sliding guide part cooperate with each other to realize the external magnetic suction component sliding on a preset trajectory on the outside of the cover.

3. The concealed window opener according to claim 1, characterized in that, The external magnetic chuck includes a housing, a first magnetic chuck, and a first roller. The first magnetic suction element is positioned on the outer shell, and the first roller protrudes from the outer shell and rolls in cooperation with the outer side of the cover.

4. The concealed window opener according to claim 3, characterized in that, The outer shell is provided with a force-receiving part that facilitates the application of sliding forces thereto.

5. The concealed window opener according to claim 3, characterized in that, The built-in magnetic attraction component includes an inner housing, a second magnetic attraction component, and a second roller, and the inner housing is connected to the transmission conversion mechanism; The second magnetic attractor is positioned on the inner housing and attracts the first magnetic attractor. The second roller protrudes from the inner housing and slides inside the cover.

6. The concealed window opener according to claim 1, characterized in that, The transmission conversion mechanism includes a transmission belt and several transmission wheels. The built-in magnetic attraction element is connected to the transmission belt to drive the transmission belt to move in a translational manner; The transmission belt is sleeved on the outside of the plurality of transmission wheels and is used to drive the plurality of transmission wheels to rotate during translational motion.

7. The concealed window opener according to claim 6, characterized in that, The transmission conversion mechanism also includes a bracket, which is disposed inside the cover. At least one of the drive wheels has a drive shaft that is rotatably connected to the bracket. The drive shaft is equipped with a drive gear that is connected to the window opening mechanism.

8. The concealed window opener according to claim 1, characterized in that, The window opening mechanism includes a reducer and a swing arm. The reducer is located inside the cover, and the swing arm extends out of the cover to connect to the sash. One end of the reducer is connected to the output end of the transmission conversion mechanism, and the other end of the reducer is connected to one end of the swing arm. The other end of the swing arm applies rotational motion to the fan body to realize the opening and closing of the fan body.

9. The concealed window opener according to claim 8, characterized in that, The window opening mechanism also includes a connecting shaft, which is connected to the other end of the swing arm and is used to slide with the sliding groove on the fan body.

10. A door or window, characterized in that, It includes a frame, a sash, and a concealed window opener as described in any one of claims 1-9, wherein the concealed window opener is disposed between the frame and the sash and is used to open and close the sash.

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