Door and window with automatic closing function

By using an electric cylinder to drive a rack and pinion transmission, combined with a mechanical structure of magnetic sleeve and locking strip, the automatic closing of doors and windows is achieved, solving the problem of doors and windows failing to close automatically in sudden weather, and improving safety and convenience.

CN223781331UActive Publication Date: 2026-01-09GUANGDONG LIXUAN INTELLIGENT DOORS & WINDOWS CO LTD
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Patent Information

Application Number
CN202422824283.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-20
Publication Date
2026-01-09
Estimated Expiration
2034-11-20

AI Technical Summary

Technical Problem

Existing doors and windows cannot close automatically when encountering sudden weather conditions while outside, leading to damage or dampness of indoor items and posing a safety hazard.

Method used

A door and window with an automatic closing function was designed. The inner frame can be automatically closed by using an electric cylinder to drive a rack and pinion gear transmission, combined with a mechanical structure of magnetic sleeve and locking strip.

Benefits of technology

It enables doors and windows to close automatically when no one is around, improving safety and convenience, and avoiding problems such as wind and rain damage caused by failure to close them in time.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a door and window with an automatic closing function, which relates to the field of doors and windows and comprises a door and window frame, an inner frame is mounted and connected in the door and window frame, connecting shafts are arranged at the upper end and the lower end of the inner frame, the two connecting shafts are rotatably connected with the inner frame wall of the door and window frame, and glass is mounted and connected in the inner frame; and the automatic closing mechanism comprises an extension shaft, the extension shaft is fixedly connected with the connecting shaft at the lower end, and symmetrical pipes are arranged below the extension shaft. The pull block drives the push rod to move, the clamping square strip and the built-in magnetic sleeve are in butt joint and locked, the rack at the telescopic end of the electric cylinder is in transmission fit with the gear, rotation of the inner frame relative to the door and window frame can be conveniently controlled, and the door and window frame can be conveniently opened and closed without affecting daily manual opening and closing. When nobody is at home, the door and the window do not need to be manually closed with effort, and the problems of wind and rain invasion and the like caused by the fact that the door and the window are not closed in time are effectively solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to door and window field especially relates to a door and window with automatic closing function. BACKGROUND

[0002] In the field of construction, doors and windows, as an important part of the building, have experienced a long development process. The early doors and windows mainly focus on the basic ventilation and lighting functions, and the materials are mostly wood with relatively simple structure. With the progress of science and technology and the development of the construction industry, various materials such as metal and plastic are applied to door and window manufacturing, and the performance and function of doors and windows have been significantly improved.

[0003] In daily life, people will keep the doors and windows open to ensure normal air circulation, but when people go out, if they encounter sudden weather conditions such as strong winds and heavy rains, the open doors and windows may cause indoor items to be blown off and damaged, and rainwater may also damage the decoration and furniture. Rainwater may cause the floor to be damp and deformed, the wall surface to be moldy, etc.

[0004] Therefore, it is necessary to provide a new door and window with automatic closing function to solve the above technical problems. CONTENT OF THE UTILITY MODEL

[0005] To solve the above technical problems, the utility model provides a door and window with automatic closing function.

[0006] The door and window with automatic closing function provided by the utility model comprises a door and window frame, an inner frame is connected in the door and window frame, the upper and lower ends of the inner frame are provided with connecting shafts, the connecting shafts are rotationally connected with the inner wall of the door and window frame, and a glass is connected in the inner frame.

[0007] Preferably, an outer shell is fixedly connected on the lower end frame wall of the door and window frame, an electric cylinder is connected on the side wall of the outer shell, and the telescopic end of the electric cylinder is fixedly connected with the rack.

[0008] Preferably, the symmetrical pipe is rotationally connected with the lower end shell wall of the outer shell.

[0009] Preferably, a clamping square bar is slidingly connected on the upper end pipe wall of the symmetrical pipe, a recess is arranged at the lower end of the extension shaft, and an inner magnetic sleeve is connected in the recess.

[0010] Preferably, the inner magnetic sleeve is opposite to the magnetic pole of the clamping square bar.

[0011] Preferably, a push rod is slidably connected to the lower end wall of the symmetrical tube, the upper end of the push rod is fixedly connected with the clamping square bar, and the other end of the push rod is fixedly connected with a pulling block.

[0012] Preferably, a convex ring is arranged on the push rod, and the convex ring is arranged in the interior of the symmetrical tube.

[0013] Compared with the related art, the door and window with the automatic closing function has the following beneficial effects:

[0014] The utility model discloses a transmission cooperation between the rack and pinion at the telescopic end of the electric cylinder can conveniently control the rotation of the inner frame relative to the door and window frame, meets the demand of user to modern home intelligent, improves the convenience and security of door and window closing, when needing to go out, through simple operation, reduces the security risk because of not closing the door and window tightly,

[0015] 2, the utility model discloses a simple operation pulling block drives push rod, makes clamping square bar and built -in magnetic sleeve butt joint lock position, and then starts electric cylinder and can realize the closing of inner frame, under the condition of not influencing daily manual opening and closing, when no one is at home, also need not laboriously manually close the door and window tightly, effectively avoid the wind and rain invasion because of not being able to close the door and window tightly in time and other problems. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 For the structure schematic view of a preferred embodiment of the utility model provides;

[0017] Figure 2 For Figure 1 The structure schematic view of A place shown in the figure;

[0018] Figure 3 For Figure 2 The structure schematic view of the symmetrical tube shown in the figure.

[0019] Marked number in the figure: 1, door and window frame;2, inner frame;21, connecting shaft;3, glass;4, extension shaft;41, symmetrical tube;42, gear;43, rack;5, shell;51, electric cylinder;6, clamping square bar;61, built -in magnetic sleeve;7, push rod;71, convex ring;72, pulling block. DETAILED DESCRIPTION

[0020] The utility model will be further described below in connection with the drawings and implementation.

[0021] Please combine with the reference Figures 1 to 3The utility model provides a door and window with automatic closing function, which comprises a door and window frame 1, an inner frame 2 connected and installed in the door and window frame 1, connecting shafts 21 arranged at the upper and lower ends of the inner frame 2 and rotatably connected with the inner wall of the door and window frame 1, and a glass 3 connected and installed in the inner frame 2, an automatic closing mechanism, which comprises an extension shaft 4 fixedly connected with the lower connecting shaft 21, symmetrical pipes 41 arranged at the lower position of the extension shaft 4 and aligned with the extension shaft 4, a gear 42 fixedly connected to the symmetrical pipes 41, and a rack 43 arranged on one side of the gear 42 and engaged with the gear 42.

[0022] In the specific implementation process, as shown in Figure 1 and Figure 2 , an outer shell 5 is fixedly connected to the lower end frame wall of the door and window frame 1, an electric cylinder 51 is connected and installed on the side wall of the outer shell 5, and the telescopic end of the electric cylinder 51 is fixedly connected with the rack 43.

[0023] It should be noted that the telescopic end of the electric cylinder 51 drives the rack 43 to move, drives the gear 42 engaged with the rack 43 to rotate, drives the two connecting shafts 21 to drive the inner frame 2 to rotate relative to the door and window frame 1 by driving the extension shaft 4 to rotate by the gear 42, so as to conveniently control the opening and closing state of the inner frame 2.

[0024] As shown in Figure 2 , the symmetrical pipes 41 are rotatably connected with the lower end shell wall of the outer shell 5.

[0025] As shown in Figure 2 and Figure 3 , a clamping square bar 6 is slidably connected to the upper end pipe wall of the symmetrical pipes 41, a recess is arranged at the lower end of the extension shaft 4, and an inner magnetic sleeve 61 is connected and installed in the recess.

[0026] It should be noted that the push block 72 is pushed to drive the push rod 7 to slide relative to the lower end pipe wall of the symmetrical pipes 41, the upper end of the push rod 7 drives the clamping square bar 6 to move, and the clamping square bar 6 slides into the inner magnetic sleeve 61 at the lower end of the extension shaft 4, so that the symmetrical pipes 41 and the clamping square bar 6 are in the docking and locking state, and the symmetrical pipes 41 can drive the extension shaft 4 to rotate subsequently.

[0027] As shown in Figure 3 , the magnetic poles of the inner magnetic sleeve 61 and the clamping square bar 6 are opposite.

[0028] It should be noted that the magnetic poles of the inner magnetic sleeve 61 and the clamping square bar 6 are opposite, so that the clamping square bar 6 and the inner magnetic sleeve 61 can be locked while being docked.

[0029] As shown in Figure 2 and Figure 3As shown, the lower end wall of the symmetrical tube 41 is slidably connected with a push rod 7, the upper end of the push rod 7 is fixedly connected with the clamping square bar 6, and the other end of the push rod 7 is fixedly connected with a pulling block 72.

[0030] It should be noted that:

[0031] Reference Figure 3 As shown, the push rod 7 is provided with a convex ring 71, and the convex ring 71 is arranged in the inside of the symmetrical tube 41.

[0032] It should be noted that: the setting of the convex ring 71 prevents the push rod 7 from sliding out to the outside of the symmetrical tube 41.

[0033] The working principle of the door and window with the automatic closing function provided by the utility model is as follows: when going out, the inner frame 2 is closed in advance, and is reset to the initial closed state, the pulling block 72 is pushed to drive the push rod 7 to slide relative to the lower end wall of the symmetrical tube 41, the upper end of the push rod 7 drives the clamping square bar 6 to move, and the clamping square bar 6 slides into the built-in magnetic sleeve 61 at the lower end of the extension shaft 4, so that the symmetrical tube 41 and the clamping square bar 6 ensure the butt joint locking state, then the electric cylinder 51 is started to drive the rack 43 at the telescopic end to move, the gear 42 meshing with the rack 43 is driven to rotate, the extension shaft 4 is driven to rotate by the gear 42, and the two connecting shafts 21 drive the inner frame 2 to rotate relative to the door and window frame 1, so that the opening and closing state of the inner frame 2 can be conveniently controlled.

[0034] The above-mentioned is only the embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A door and window having an automatic closing function, characterized in that, Include: Door and window frame (1), the door and window frame (1) is installed and connected with inner frame (2), the upper and lower ends of the inner frame (2) are equipped with connecting shaft (21), two connecting shafts (21) are rotatably connected with the inner wall of door and window frame (1), and the inner frame (2) is installed and connected with glass (3); Automatic closing mechanism, the automatic closing mechanism includes extension shaft (4), the extension shaft (4) is fixedly connected with the connecting shaft (21) at the lower end, a symmetric tube (41) is arranged at the lower position of the extension shaft (4), the symmetric tube (41) is arranged in alignment with the extension shaft (4), the symmetric tube (41) is fixedly connected with gear (42), one side of the gear (42) is provided with rack (43), and the rack (43) is engaged with the gear (42).

2. The door and window with automatic closing function according to claim 1, characterized in that, The lower end frame wall of the door and window frame (1) is fixedly connected with the shell (5), the sidewall of the shell (5) is installed and connected with the electric cylinder (51), and the telescopic end of the electric cylinder (51) is fixedly connected with the rack (43).

3. A door and window with automatic closing function according to claim 2, characterized in that, The symmetric tube (41) is rotatably connected with the lower end shell wall of the shell (5).

4. The door and window with automatic closing function according to claim 2, characterized in that, The upper end tube wall of the symmetric tube (41) is slidably connected with the clamping square bar (6), the lower end of the extension shaft (4) is provided with a groove, and the built-in magnetic sleeve (61) is installed and connected in the groove.

5. The door and window with automatic closing function according to claim 4, characterized in that, The built-in magnetic sleeve (61) is opposite to the magnetic pole of the clamping square bar (6).

6. The door and window with automatic closing function according to claim 1, characterized in that, The lower end tube wall of the symmetric tube (41) is slidably connected with the push rod (7), the upper end of the push rod (7) is fixedly connected with the clamping square bar (6), and the other end of the push rod (7) is fixedly connected with the pull block (72).

7. The door and window with automatic closing function according to claim 6, characterized in that, The push rod (7) is provided with a convex ring (71), and the convex ring (71) is arranged in the interior of the symmetric tube (41).