High-noise-reduction chain type window opener

Abstract

The utility model discloses a high-noise-reduction chain type window opener, and belongs to the technical field of window openers. The high-noise-reduction chain type window opener comprises a shell, a chain body is arranged in the shell, a shell cover is arranged on the top face of the shell and comprises a cover body, a strip-shaped groove is formed in the bottom face of the cover body, a pressing roller is rotationally connected to the interior of the strip-shaped groove, a ball groove is formed in the bottom face of the interior of the shell, and the pressing roller is rotationally connected to the interior of the ball groove. Balls are rotationally connected into the ball grooves, and the two sides of the chain body make contact with the balls and the outer walls of the pressing rollers correspondingly. The driving machine box is installed at one end of the shell, sound insulation cotton is installed on the inner wall of the driving machine box, conical protrusions are arranged on the inner wall of the sound insulation cotton, the driving machine box comprises a box body, and a motor and a micro speed reducer are installed on the two sides of the interior of the box body correspondingly; and the output end of the motor is in transmission connection with the input end of the micro speed reducer.

Description

Technical Field

[0001] This utility model relates to the field of window opener technology, specifically a high-noise-reduction chain-type window opener. Background Technology

[0002] Machines used to open and close windows are called "window openers" or "window openers". They are generally called "window openers" abroad, but in China they are mostly called "window openers". Currently, "intelligent electric windows" represent the latest development in the modern window industry, a search reveals a chain-type electric window opener disclosed in Chinese patent CN213297596U. This opener includes a housing, a chain structure installed inside the housing, and a gearbox. The chain structure includes a chain cavity inside the housing, with a drive chain installed within it. A chain outlet is located on one outer wall of the housing. The end of the drive chain away from the chain cavity extends through the chain outlet to the outside of the housing, and a chain connector is installed on the outside of this end. The drive chain is connected to a gearbox for driving the chain, and a motor control board is installed on one side of the gearbox. A magnetic switch for opening and closing the window is installed inside the gearbox. An opening limiter is installed on the drive chain, and a closing limiter is installed inside the chain connector. The magnetic limiting technology provided by this invention eliminates stall current and prevents peak current.

[0003] However, in actual use, this solution generates some noise due to the use of electrical equipment for operation. For some building areas that require a quiet environment, this noise can have a negative impact. Utility Model Content

[0004] To address the noise issue caused by existing window openers, this invention provides a high-noise-reduction chain-type window opener.

[0005] In view of the above problems, the technical solution proposed by this utility model is as follows:

[0006] A high-noise-reduction chain-type window opener includes a housing, an inner chain body, a cover on the top surface of the housing, a cover body, a strip-shaped groove on the bottom surface of the cover body, a pressure roller rotatably connected inside the strip-shaped groove, a ball groove on the inner bottom surface of the housing, a ball bearing rotatably connected inside the ball groove, and the two sides of the chain body contacting the outer walls of the ball bearing and the pressure roller respectively; a drive housing is installed at one end of the housing, and sound insulation cotton is installed on the inner wall of the drive housing, with conical protrusions on the inner wall of the sound insulation cotton.

[0007] Furthermore, the drive housing includes a housing, on which a motor and a micro reducer are respectively installed on both sides. The output end of the motor is connected to the input end of the micro reducer, and the output end of the micro reducer is connected to a shaft.

[0008] The beneficial effects of adopting the above-mentioned further solution are that the motor provides power, which is reduced and increased in torque by the micro reducer, making the output power more stable, and can accurately control the speed and torque of the shaft, providing a stable power source for the chain drive and ensuring the smooth operation of the window opener.

[0009] Furthermore, a sprocket is rotatably connected inside the outer casing, the sprocket meshes with the chain body, and the outer wall of the outer casing has holes that interpenetrate with the chain body.

[0010] The beneficial effects of adopting the above-mentioned further solution are that it enables reliable power transmission, ensures smooth operation of the chain, and drives the window to open or close; the holes in the outer shell allow the chain to extend smoothly and connect with the window to complete the window opening action.

[0011] Furthermore, one end of the sprocket is connected to a worm gear, and a worm is rotatably connected to the inside side of the housing, the worm meshing with the worm gear.

[0012] The beneficial effect of adopting the above-mentioned further solution is that, by utilizing the self-locking characteristics of the worm gear and worm wheel transmission, the chain is prevented from reversing when the window opener stops running, ensuring the window position is fixed and enhancing the safety of use.

[0013] Furthermore, one end of the shaft extends into the interior of the housing and is fitted with a second gear, while one end of the worm gear is fitted with a first gear, and the first gear meshes with the second gear.

[0014] The beneficial effect of adopting the above-mentioned further solution is that it accurately transmits the power of the shaft to the worm gear and sprocket, ensuring the synchronization and accuracy of the transmission of each component, and avoiding chain jamming and increased noise caused by power transmission deviation.

[0015] Furthermore, the outer casing includes a housing, one side of which has a perforation, and the outer wall of the shaft contacts the inner wall of the perforation.

[0016] The beneficial effect of adopting the above-mentioned further solution is that it realizes the connection between the drive housing and the transmission components inside the outer shell, and the perforated inner wall contacts the outer wall of the shaft, ensuring the accurate installation position of the shaft and preventing the shaft from shaking and affecting the transmission effect.

[0017] Furthermore, screws are inserted at the four corners of the cover, and the cover is connected to the top surface of the outer shell by the screws.

[0018] The advantages of adopting the above-mentioned further solution are that it is easy to install and disassemble, and facilitates the inspection and maintenance of the chain, ball bearings and other components inside the window opener.

[0019] Furthermore, fixing angle plates are respectively installed on the sides of the outer shell and the drive housing, and positioning holes are respectively opened on one side of the two fixing angle plates.

[0020] The advantages of adopting the above-mentioned further solutions are that it is convenient to install the window opener on windows or walls, and the positioning holes can be used with bolts and other fasteners to achieve precise installation, adapting to different installation scenarios and needs.

[0021] Compared with the prior art, the beneficial effects of this utility model are:

[0022] This high-noise-reduction chain window opener effectively reduces operating noise through the cooperation of the cover, ball bearings, drive housing, and sound insulation cotton. Specifically, the ball bearings inside the outer shell and the pressure rollers of the cover contact the chain body, converting sliding friction into rolling friction and reducing frictional noise during chain operation. The sound insulation cotton and conical protrusions on the inner wall of the drive housing effectively absorb and diffuse noise generated by the motor and other components, reducing the operating noise of the window opener from both the transmission and power source perspectives, creating a quiet environment. Attached Figure Description

[0023] Figure 1 A three-dimensional schematic diagram of a high-noise-reduction chain window opener provided by this utility model;

[0024] Figure 2 A schematic diagram of the outer shell structure of a high noise reduction chain-type window opener provided by this utility model;

[0025] Figure 3 A cross-sectional view of the drive housing structure of a high-noise-reduction chain-type window opener provided by this utility model;

[0026] Figure 4 A partial sectional view of the outer shell structure of a high-noise-reduction chain-type window opener provided by this utility model;

[0027] Figure 5 A bottom view of the shell cover structure of a high-noise-reducing chain-type window opener provided by this utility model.

[0028] In the diagram: 100, outer casing; 1001, housing; 1002, perforation; 200, drive chassis; 2001, housing; 2002, motor; 2003, miniature reducer; 2004, shaft; 300, chain body; 400, cover;

[0029] 4001, Cover; 4002, Screw; 4003, Pressure Roller; 500, Fixed Angle Plate; 600, Ball Bearing; 700, Sound Insulation Cotton; 101, Sprocket; 102, Worm Gear; 103, Worm; 104, First Gear; 105, Second Gear. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] Please see Figures 1-5 This utility model provides a technical solution: a high-noise-reducing chain-type window opener, including a housing 100, a chain body 300 inside the housing 100, a cover 400 on the top surface of the housing 100, the cover 400 including a cover body 4001, a strip-shaped groove on the bottom surface of the cover body 4001, a pressure roller 4003 rotatably connected inside the strip-shaped groove, a ball groove on the bottom surface inside the housing 100, a ball bearing 600 rotatably connected inside the ball groove, the two sides of the chain body 300 respectively contacting the outer walls of the ball bearing 600 and the pressure roller 4003; a drive housing 200, driving... The drive housing 200 is installed at one end of the outer casing 100. The inner wall of the drive housing 200 is equipped with sound insulation cotton 700, and the inner wall of the sound insulation cotton 700 has a conical protrusion. The ball bearings 600 inside the outer casing 100 and the pressure rollers 4003 of the casing cover 400 contact the chain body 300, converting sliding friction into rolling friction and reducing friction noise during chain operation. The sound insulation cotton 700 and the conical protrusion on the inner wall of the drive housing 200 can effectively absorb and diffuse the noise generated by the operation of components such as the motor, reducing the operating noise of the window opener from both the transmission and power source aspects, creating a quiet environment.

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0033] As one embodiment of this utility model, the drive housing 200 further includes a housing 2001. A motor 2002 and a micro reducer 2003 are respectively installed on both sides of the interior of the housing 2001. The output end of the motor 2002 is connected to the input end of the micro reducer 2003. The output end of the micro reducer 2003 is connected to a shaft 2004. The motor 2002 provides power, which is reduced and increased in torque by the micro reducer 2003, making the output power more stable. It can accurately control the speed and torque of the shaft 2004, providing a stable power source for the chain drive and ensuring the smooth operation of the window opener.

[0034] In one embodiment of this utility model, a sprocket 101 is rotatably connected inside the outer casing 100. The sprocket 101 meshes with the chain body 300. Holes are provided on the outer wall of the outer casing 100 that intersect with the chain body 300, ensuring reliable power transmission and smooth chain operation to open or close the window. The holes in the outer casing 100 allow the chain to extend smoothly and connect to the window, completing the window opening action. In another embodiment of this utility model, a worm gear 102 is connected to one end of the sprocket 101, and a worm 103 is rotatably connected to one side of the inner casing 100. The worm 103 meshes with the worm gear 102. Utilizing the self-locking characteristic of the worm 103 and worm gear 102 transmission, the chain is prevented from reversing when the window opener stops operating, ensuring the window position is fixed and enhancing safety.

[0035] As an embodiment of this utility model, one end of the shaft 2004 extends into the interior of the housing 100 and is fitted with a second gear 105. One end of the worm gear 102 is fitted with a first gear 104. The first gear 104 and the second gear 105 mesh with each other, accurately transmitting the power of the shaft 2004 to the worm gear 102 and the sprocket 101, ensuring the synchronicity and accuracy of the transmission of each component, and avoiding chain jamming and increased noise caused by power transmission deviation.

[0036] As an embodiment of this utility model, the outer shell 100 further includes a housing 1001, and a through hole 1002 is provided on one side of the housing 1001. The outer wall of the shaft 2004 contacts the inner wall of the through hole 1002 to realize the connection between the drive housing and the transmission components inside the housing. The inner wall of the through hole contacts the outer wall of the shaft to ensure the accurate installation position of the shaft and prevent the shaft from shaking and affecting the transmission effect.

[0037] As an embodiment of this utility model, screws 4002 are inserted at the four corners of the cover 4001. The cover 4001 is connected to the top surface of the outer shell 100 by the screws 4002, which makes installation and disassembly convenient and facilitates the inspection and maintenance of the chain, ball bearings and other components inside the window opener.

[0038] As an embodiment of this utility model, further, fixing angle plates 500 are respectively installed on the sides of the outer shell 100 and the drive housing 200. Positioning holes are respectively opened on one side of the two fixing angle plates 500, so as to facilitate the installation of the window opener on windows or walls. The positioning holes can be used with bolts and other fasteners to achieve precise installation and adapt to different installation scenarios and needs.

[0039] Specifically, the working principle of this high-noise-reduction chain-type window opener is as follows: During operation, the motor 2002 inside the drive housing 200 outputs power, which is reduced in speed and torque by the micro reducer 2003 before being transmitted to the shaft 2004. The second gear 105 at one end of the shaft 2004 meshes with the first gear 104 at one end of the worm gear 102, sequentially transmitting power to the worm gear 102, worm 103, and sprocket 101. The sprocket 101 meshes with the chain body 300, driving the chain to move. During operation, both sides of the chain contact the ball bearings 600 inside the outer casing 100 and the pressure rollers 4003 in the grooves of the cover 400, reducing operating noise through rolling friction. Simultaneously, the sound-insulating cotton 700 and conical protrusions on the inner wall of the drive housing 200 absorb and diffuse noise generated by the motor and other components. The chain extends through holes in the outer wall of the outer casing 100 and connects to the window, enabling the window to be opened or closed. The self-locking characteristics of the worm gear 103 and worm wheel 102 prevent the chain from reversing when the window opener stops running, ensuring the window position is fixed. The cover 4001 is connected to the top surface of the outer casing 100 by screws 4002, facilitating the maintenance of internal components; the outer casing 100 and the fixing angle plate 500 on the side of the drive housing 200 are fitted with positioning holes, allowing for precise installation in different positions.

Claims

1. A high noise reduction chain sash opener characterized by, include: The outer shell (100) has a chain body (300) inside and a cover (400) on the top surface of the outer shell (100). The cover (400) includes a cover body (4001). A strip-shaped groove is formed on the bottom surface of the cover body (4001). A pressure roller (4003) is rotatably connected inside the strip-shaped groove. A ball groove is formed on the bottom surface of the inner side of the outer shell (100). A ball bearing (600) is rotatably connected inside the ball groove. The two sides of the chain body (300) are in contact with the outer walls of the ball bearing (600) and the pressure roller (4003), respectively. A drive housing (200) is installed at one end of the outer shell (100). The inner wall of the drive housing (200) is fitted with sound insulation cotton (700), and the inner wall of the sound insulation cotton (700) has a tapered protrusion.

2. A high noise reduction chain window operator according to claim 1, wherein, The drive housing (200) includes a housing (2001), on which a motor (2002) and a micro reducer (2003) are respectively installed on both sides. The output end of the motor (2002) is connected to the input end of the micro reducer (2003), and the output end of the micro reducer (2003) is connected to a shaft (2004).

3. A high noise reduction chain window operator according to claim 2, wherein, The sprocket (101) is rotatably connected inside the outer shell (100), and the sprocket (101) meshes with the chain body (300). The outer wall of the outer shell (100) has holes that interpenetrate with the chain body (300).

4. A high noise reduction chain window operator according to claim 3, wherein, One end of the sprocket (101) is connected to a worm gear (102), and a worm (103) is rotatably connected to the inside side of the housing (100), the worm (103) meshing with the worm gear (102).

5. A high noise reduction chain window operator according to claim 4, wherein, One end of the shaft (2004) extends into the interior of the housing (100) and is fitted with a second gear (105). One end of the worm gear (102) is fitted with a first gear (104), and the first gear (104) meshes with the second gear (105).

6. A high noise reduction chain window operator according to claim 5, wherein, The outer casing (100) includes a housing (1001), and a through hole (1002) is provided on one side of the housing (1001). The outer wall of the shaft (2004) is in contact with the inner wall of the through hole (1002).

7. A high noise reduction chain window operator according to claim 1, wherein, Screws (4002) are inserted at the four corners of the cover (4001), and the cover (4001) is connected to the top surface of the outer shell (100) by the screws (4002).

8. A high noise reduction chain window operator according to claim 1, wherein, Fixed angle plates (500) are respectively installed on the sides of the outer shell (100) and the drive housing (200), and positioning holes are respectively opened on one side of the two fixed angle plates (500).

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