An inward-opening and downward-swinging door and window mechanism

Abstract

The present invention relates to the field of plastic-steel doors and windows, and particularly discloses an inward-opening and downward-swinging door and window mechanism. The inward-opening and downward-swinging door and window mechanism includes a window frame and a window sash connected by a downward-swinging component and a lower hinge. It is characterized in that: a handle is installed on the window sash through a handle box, a rack inside the handle box is connected to a transmission rod, and the transmission rod is arranged inside the cavity of the window sash. The transmission rod is sequentially connected to a lock block, an upper turning angle and a downward-swinging component upwards, and the lower end of the transmission rod is connected to a lower turning angle; a flipping lock block connecting the transmission rod is installed inside both the upper turning angle and the lower turning angle, and a sliding block connecting the transmission rod is arranged inside the downward-swinging component. The present invention hides the hardware transmission components of the plastic-steel window inside the profile, effectively improving the ability of the hardware to resist the harsh external environment and extending the service life of the doors and windows; there is no locking component on the frame, and the window sash is locked and opened through the flipping locking component, simplifying the installation steps, improving the installation efficiency and enhancing the aesthetics.

Description

Technical Field

[0001] The present invention relates to the field of plastic-steel doors and windows, and particularly to an inward-opening and downward-swinging window mechanism. Background Art

[0002] Doors and windows are an indispensable part of modern architecture, playing a crucial role both in the building itself and in the living environment of humans. Currently, the common types of doors and windows on the market are mainly made of aluminum alloy and plastic-steel. Plastic-steel doors and windows are favored in cold regions due to their low heat conductivity. At present, most plastic-steel hardware systems on the domestic market are installed in U-grooves, with the transmission mechanism exposed, which is easily affected by the harsh external environment, resulting in rusting, poor transmission, etc., affecting the service life of the doors and windows. In addition, the sliding cylindrical lock points need to install lock seats at accurate positions on the frame to achieve the locking function, and the installation procedure is cumbersome. Summary of the Invention

[0003] In order to make up for the deficiencies of the prior art, the present invention provides an inward-opening and downward-swinging window mechanism with simple installation, non-exposed transmission components, and long service life.

[0004] The present invention is realized through the following technical solutions:

[0005] An inward-opening and downward-swinging window mechanism, including a window frame and a window sash connected by a downward-swinging component and a lower hinge, characterized in that: a handle is installed on the window sash through a handle box, a rack in the handle box is connected to a transmission rod, and the transmission rod is arranged in the cavity of the window sash. The transmission rod is sequentially connected to a lock block, an upper turning angle, and a downward-swinging component upward, and the lower end of the transmission rod is connected to a lower turning angle; a flipping lock block connecting the transmission rod is installed in both the upper turning angle and the lower turning angle, and a sliding block connecting the transmission rod is arranged in the downward-swinging component.

[0006] In the present invention, when the handle rotates, the square shaft drives the gear transmission in the handle box, the gear drives the rack to perform linear motion, the rack drives the transmission rod to perform linear motion through the connection with the transmission rod, the transmission rod drives the lock block and the flipping lock blocks of the upper turning angle and the lower turning angle to achieve flipping and opening functions, and the flipping lock blocks cooperate with the window frame to achieve the locking and opening functions of the window sash; in addition, the transmission rod also drives the sliding block of the downward-swinging component to move, thereby realizing the downward-swinging function of the window sash; the transmission rod is hidden in the cavity of the window sash profile and is not exposed, and the entire transmission process is carried out inside the cavity, without the need to install a lock seat on the window frame.

[0007] A more preferred technical solution of the present invention is:

[0008] A tooth groove structure is arranged on the transmission rod, and teeth corresponding to the tooth groove structure are arranged on the lock block, the upper turning angle, the lower turning angle, the sliding block of the downward-swinging component, and the rack of the handle box; the above-mentioned hardware components are linked through the connection between the teeth on the sliding block and the tooth groove structure of the transmission rod.

[0009] An insurance block, a gear and a rack meshing with the gear are installed in the handle box. The rack is provided with protruding teeth and is connected to the tooth grooves on the transmission rod through the teeth. The insurance block is clamped in the square opening of the rack through a spring and a clip; the gear drives the rack to perform linear motion, thereby driving the transmission rod to perform linear motion.

[0010] Preferably, the handle box includes a handle housing, a gear cover plate and a rack cover plate located on opposite sides of the handle housing. One end of the insurance block is exposed through the gear cover plate. The handle box has an anti-misoperation function, and the handle can only be rotated to drive the transmission component when the window sash is in the closed state.

[0011] The lock block includes a transmission lock block enclosed in the window sash by housing A and housing B. The transmission lock block is provided with a groove. A cylinder is provided on the sliding block A. The sliding block A is connected to the groove on the transmission lock block through the cylinder. A connecting piece A is fixed on the sliding block A, and teeth for connecting the transmission rod are provided on the connecting piece A.

[0012] Preferably, both ends of the transmission lock block are fixedly connected to housing A through shaft A.

[0013] The lower turning angle includes a flipping lock block enclosed in the window sash by housing C and housing D. The flipping lock block is provided with a groove. A cylinder is provided on the sliding block B. The sliding block B is connected to the groove of the flipping lock block through the cylinder. A connecting piece B is fixed on the sliding block B. The connecting piece B is connected to the connecting piece C through a transmission steel sheet. Teeth for connecting the transmission rod are provided on the connecting piece B / connecting piece C.

[0014] Preferably, both ends of the flipping lock block are fixedly connected to housing C through shaft B, and a turning angle cover plate is provided on the bottom surface of housing C.

[0015] The upper turning angle structure is the same as the lower turning angle structure, except for the direction adjustment and the connecting piece C of the upper turning angle is connected to the casement fitting through a transmission rod.

[0016] The above-mentioned hardware components are connected through the tooth groove structure of the sliding block and the transmission rod. When the transmission rod performs linear motion, it drives the sliding block to move, and the transmission effect can be adjusted by changing the buckling position of the teeth.

[0017] Protruding parts corresponding to the handle box, the lock block, the upper turning angle, the lower turning angle and the casement fitting are provided in the hardware channel of the window frame. There is no locking component on the window frame in the morning. The protruding parts are used to cooperate with the flipping lock block to realize the pressing function of the window sash, replace the locking component, and are used to trigger the anti-misoperation device of the handle box.

[0018] The present invention hides the hardware transmission components of the plastic-steel window inside the profile, effectively enhancing the ability of the hardware to resist the harsh external environment and extending the service life of the doors and windows; the flipping locking structure improves the sealing effect, and the teeth and grooves are buckled and connected, simplifying the installation steps, and the buckling part is adjustable to eliminate installation errors; there is no locking component on the frame, and the window sash is locked and opened through the flipping locking component, simplifying the installation steps, improving the installation efficiency, and enhancing the aesthetics. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below with reference to the accompanying drawings.

[0020] Figure 1 is a schematic structural diagram of the present invention;

[0021] Figure 2 is a schematic diagram of the transmission of the transmission rod inside the profile;

[0022] Figure 3 is a schematic diagram of the node of the flipping lock block;

[0023] Figure 4 is a schematic diagram of the connection between the tooth groove and the tooth of the transmission rod;

[0024] Figure 5 is an exploded view of the internal structure of the handle box;

[0025] Figure 6 is an exploded view of the internal structure of the lock block;

[0026] Figure 7 is an exploded view of the internal structure of the lower turning angle;

[0027] Figure 8 is a functional schematic diagram of the flipping lock block.

[0028] In the figure, 1 is the handle, 2 is the handle box, 201 is the gear cover plate, 202 is the safety block, 203 is the gear, 204 is the clip, 205 is the spring, 206 is the handle box, 207 is the rack, 208 is the rack cover plate, 3 is the lock block, 301 is the housing A, 302 is the rotating lock block, 303 is the sliding block A, 304 is the connecting piece A, 305 is the shaft A, 306 is the housing B, 4 is the upper turning angle, 5 is the lower hanging part, 6 is the lower hinge, 7 is the lower turning angle, 701 is the turning angle cover plate, 702 is the housing C, 703 is the transmission steel sheet, 704 is the connecting piece C, 705 is the housing D, 706 is the connecting piece B, 707 is the sliding block B, 708 is the shaft B, 709 is the flipping lock block, 8 is the transmission rod, 9 is the window frame, and 10 is the window sash. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] In order to make the purpose, technical solutions and advantages of the present invention clearer and more understandable, the present invention will be further described in detail below with reference to specific embodiments and the accompanying drawings.

[0030] As shown in the attaFigure 1 As shown, the plastic steel inner side opening lower hanging mechanism of the present invention comprises a handle 1, a handle box 2, a locking block 3, an upper turning angle 4, a lower hanging component 5, a lower hinge 6, a lower turning angle 7, a transmission rod 8, a window frame 9, and a window sash 10. The lower hanging component 5 and the lower hinge 6 connect the window frame 9 and the window sash 10; the handle 1, the handle box 2, the locking block 3, the upper turning angle 4, and the lower turning angle 7 are installed on the window sash 10, and the transmission rod 8 penetrates into a specific cavity of the window sash 10 and respectively connects the handle box 2, the locking block 3, the upper turning angle 4, the lower hanging component 5, and the lower turning angle 7.

[0031] As attached Figures 2 - 4 As shown, the lock block 3, the upper steering angle 4, the lower steering angle 7, and the lower suspension component 5 are all provided with sliding blocks, and the sliding blocks are all provided with teeth. The above-mentioned hardware components are connected with the tooth groove structure of the sliding block and the transmission rod 8 through the sliding block. When the transmission rod 8 performs linear motion, the sliding block is driven to move, and the transmission effect can be adjusted by changing the buckling position of the teeth.

[0032] As attached Figure 5 As shown, when the window sash 10 is in the open state, the exposed portion of the safety block 202 inside the handle box 2 is in a tilted state under the action of the spring 205, and the portion inside the handle housing 206 is stuck in the square opening of the rack 207, blocking the rack 207. At this time, the handle cannot be rotated, thereby achieving the purpose of preventing misoperation.

[0033] When the window sash 10 is in the closed state, due to the pressure of the window frame 9 on the exposed part of the safety block 202, the part inside the handle shell 206 escapes from the square opening of the rack 207, and the anti-misoperation function is cancelled. At this time, the handle 1 is rotated, the gear 203 inside the handle box 2 rotates, and drives the rack 207 to make linear motion. The raised part in the middle of the rack 207 drives the transmission rod 8 connected to it to make linear motion in the cavity of the window sash 10.

[0034] As attached Figure 6 As shown, the transmission rod 8 is transmitted in the cavity of the window sash 10, transmitting the driving force to the locking block 3 and driving the connecting piece A304 inside the locking block 3, and the sliding block A303 riveted therewith also moves accordingly. During the movement of the sliding block A303, the surface cylinder of the sliding block A303 is always in the groove of the rotating locking block 302. The matching relationship between the two transforms the linear movement of the sliding block A303 into the flipping movement of the rotating locking block 302. After the rotating locking block 302 flips, it is pressed and fitted with the raised part of the window frame 9 to achieve the closure of the window sash 10 and the window frame 9.

[0035] As attached Figure 7As shown in the figure, the transmission rod 8 transmits power within the cavity of the window sash 10, conducting the driving force to the upper turning angle 4 and the lower turning angle 7. The transmission rod 8 drives the transmission steel sheet 703 through the connecting piece C704 inside the lower turning angle 7 connected thereto. Through the restraint of the outer shell C702, the vertical transmission is converted into horizontal transmission, and then the sliding block B707 drives the flipping lock block 709 to achieve the flipping action. After the flipping lock block 709 flips, it presses the window sash 10 tightly, realizing its closing with the window frame 9 and the limit of the window sash 10 in the inward-inclined state.

[0036] When the window sash 10 is in the closed state, the flipping lock block 709 is in the flipped state, tightly fitting with the frame profile to ensure the closing of the window sash 10 and achieve the sealing effect. At this time, rotate the handle 1. The handle 1 drives the handle box 2, and the handle box 2 drives the transmission rod 8 to move. The transmission rod 8 drives the sliding blocks on the lock block 3, the upper turning angle 4, the lower turning angle 7, and the lower suspension component 5 to move. The sliding blocks drive the lock blocks on the lock block 3, the upper turning angle 4, and the lower turning angle 7 to rotate and close, driving the lower suspension component 5 to move, realizing the opening state of the window sash 10. Continue to rotate the handle 1, and the flipping lock block 709 on the lower turning angle 7 flips open again, realizing the lower suspension state of the window sash 10.

[0037] The specific embodiments described above further elaborate on the purpose, technical solutions, and beneficial effects of the present invention. It should be understood that the above are only specific embodiments of the present invention and are not used to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims

1. An inward-opening and downward-swinging door and window mechanism, comprising a window frame (9) and a window sash (10) connected by a downward-swinging component (5) and a lower hinge (6). Characterized in that: A handle (1) is installed on the window sash (10) through a handle box (2). A rack (207) inside the handle box (2) is connected to a transmission rod (8), and the transmission rod (8) is arranged inside the cavity of the window sash (10). The transmission rod (8) is sequentially connected to a lock block (3), an upper turning angle (4) and a downward-swinging component (5) upwards, and the lower end of the transmission rod (8) is connected to a lower turning angle (7); Inside both the upper turning angle (4) and the lower turning angle (7), there is a flip lock block (709) indirectly driven by the transmission rod (8), and a sliding block connecting the transmission rod (8) is arranged inside the downward-swinging component (5). A groove is arranged on the transmission lock block (302), a cylinder is arranged on the sliding block A (303), and the sliding block A (303) is connected to the groove on the transmission lock block (302) through the cylinder. A connecting piece A (304) is fixed on the sliding block A (303), and teeth connecting the transmission rod (8) are arranged on the connecting piece A (304). The lower turning angle (7) includes a flip lock block (709) enclosed inside the window sash (10) through a housing C (702) and a housing D (705). A groove is arranged on the flip lock block (709), a cylinder is arranged on the sliding block B (707), and the sliding block B (707) is connected to the groove on the flip lock block (709) through the cylinder. A connecting piece B (706) is fixed on the sliding block B (707), the connecting piece B (706) is connected to a connecting piece C (704) through a transmission steel sheet (703), and teeth connecting the transmission rod (8) are arranged on the connecting piece B (706) / connecting piece C (704).

2. The inward-opening and downward-swinging door and window mechanism according to claim 1, Characterized in that: A tooth groove structure is arranged on the transmission rod (8), and teeth corresponding to the tooth groove structure are arranged on the lock block (3), the upper turning angle (4), the lower turning angle (7), the sliding block of the downward-swinging component (5) and the rack (207) of the handle box (2).

3. The inward-opening and downward-swinging door and window mechanism according to claim 1, Characterized in that: An insurance block (202), a gear (203) and a rack (207) meshing with the gear (203) are installed inside the handle box (2). Teeth are arranged on the rack (207) and are connected to the tooth grooves on the transmission rod (8) through the teeth. The insurance block (202) is clamped in the square opening of the rack (207) through a spring (205) and a clip (204).

4. The inward-opening and downward-swinging door and window mechanism according to claim 1, Characterized in that: The lock block (3) includes a transmission lock block (302) enclosed inside the window sash (10) through a housing A (301) and a housing B (306).

5. The inward-opening and downward-swinging door and window mechanism according to claim 1, Characterized in that: Protruding parts corresponding to the handle box (2), the lock block (3), the upper turning angle (4), the lower turning angle (7) and the downward-swinging component (5) are arranged inside the hardware channel of the window frame (9).

6. The inward-opening and downward-swinging door and window mechanism according to claim 3, characterized in that: the handle box (2) includes a handle housing (206) and a gear cover plate (201) and a rack cover plate (208) located on opposite sides of the handle housing (206), and one end of the safety block (202) is exposed through the gear cover plate (201).

7. The inward-opening and downward-swinging door and window mechanism according to claim 4, characterized in that: both ends of the transmission lock block (302) are fixedly connected to the outer shell A (301) through a shaft A (305).

8. The inward-opening and downward-swinging door and window mechanism according to claim 1, characterized in that: both ends of the flipping lock block (709) are fixedly connected to the outer shell C (702) through a shaft B (708), and a steering angle cover plate (701) is arranged on the bottom surface of the outer shell C (702).

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