Structure for preventing rainwater from flowing backwards and door and window

Abstract

The utility model discloses a structure of preventing rainwater from flowing backward and a door and window, including frame, conversion frame, water retaining piece and water retaining rubber strip, the middle part between frame and conversion frame is provided with water retaining piece, water retaining piece includes first wall, first wall is provided with water retaining rubber strip, through the setting of water retaining piece and water retaining rubber strip, can improve the leakproofness between frame and conversion frame, and the water retaining rubber strip will not be blocked. Therefore, rainwater is prevented from flowing back into a room.

Description

Technical Field

[0001] The utility model relates to the technical field of doors and windows, and in particular to a structure for preventing rainwater from flowing back and a door and window. Background Art

[0002] The doors and windows are composed of frames, conversion frames and sash windows. The frames and conversion frames are located on the outside of the room and are equipped with corresponding drainage structures, but there is no good sealing structure between the frames and the conversion frames, which will cause rainwater to flow back to the indoor side. Utility Model Content

[0003] The utility model aims to provide a structure and door and window for preventing rainwater from flowing back. The water retaining member and the water retaining rubber strip are arranged to improve the sealing between the frame and the conversion frame, thereby preventing rainwater from flowing back into the room.

[0004] To achieve this purpose, the utility model adopts the following technical solutions:

[0005] A structure for preventing rainwater from flowing back, comprising a frame, a conversion frame, a water retaining member and a water retaining rubber strip;

[0006] The frame and the transfer frame are both provided with drainage structures on the side close to the outdoors;

[0007] A water retaining member is provided in the middle between the frame and the conversion frame;

[0008] The water retaining member comprises a first wall, the first wall is provided with a recessed portion, and the bottom wall of the recessed portion is provided with a first groove body;

[0009] The water-retaining rubber strip comprises a sealing portion and a buckling portion, the recessed portion can accommodate the sealing portion, the sealing portion is a semicircular hollow structure or a fan-shaped hollow structure, the sealing portion abuts against the conversion frame, and the buckling portion is connected to the first slot body.

[0010] In some embodiments, the water retaining member is snap-connected to the frame.

[0011] In some embodiments, the frame includes a third profile, a fourth profile and a second broken bridge, and the second broken bridge is provided between the third profile and the fourth profile;

[0012] A first buckle position is provided on a side of the third profile close to the second broken bridge, and a second buckle position is provided on a side of the fourth profile close to the second broken bridge;

[0013] The two ends of the first wall of the water retaining member are respectively provided with a first buckle hook and a second buckle hook.

[0014] In some embodiments, the conversion frame includes a first profile, a second profile, and a first broken bridge, wherein the first broken bridge is disposed between the first profile and the second profile;

[0015] The sealing portion of the water-retaining rubber strip is in conflict with a side of the first profile close to the first broken bridge.

[0016] In some embodiments, both the first profile and the third profile are provided with a drainage structure.

[0017] The beneficial effect of the utility model is that the sealing between the frame and the conversion frame can be improved by arranging the water retaining member and the water retaining rubber strip, thereby preventing rainwater from flowing back into the room. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural diagram of the connection between the frame, the conversion frame, the water retaining member and the water retaining rubber strip of the utility model;

[0019] Figure 2 for Figure 1 Exploded diagram of

[0020] Figure 3 This is an exploded view of the water retaining member and the water retaining rubber strip of the utility model;

[0021] Figure 4 This is a structural diagram of a door and window of the utility model;

[0022] Among them: 6 - water retaining member; 61 - first wall; 62 - first buckle hook; 63 - second buckle hook; 64 - recessed portion; 65 - first slot body; 7 - water retaining rubber strip; 71 - sealing portion; 72 - buckle joint portion;

[0023] 200 - glass sash window assembly; 300 - frame; 310 - third profile; 3101 - first buckle; 320 - fourth profile; 3201 - second buckle; 330 - second broken bridge; 400 - conversion frame; 410 - first profile; 420 - second profile; 430 - first broken bridge. DETAILED DESCRIPTION

[0024] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0025] refer to Figures 1 to 3 , a structure for preventing rainwater from flowing back, comprising a frame 300, a conversion frame 400, a water retaining member 6 and a water retaining rubber strip 7;

[0026] The frame 300 and the conversion frame 400 are both provided with drainage structures on one side close to the outside, and rainwater can be drained to the outside through the drainage structures;

[0027] A water retaining member 6 is provided in the middle between the frame 300 and the conversion frame 400;

[0028] The water retaining member 6 comprises a first wall 61, the first wall 61 is provided with a recessed portion 64, and the bottom wall of the recessed portion 64 is provided with a first groove body 65;

[0029] The water-retaining rubber strip 7 includes a sealing portion 71 and a buckling portion 72. The recessed portion 64 can accommodate the sealing portion 71. The sealing portion 71 is a semicircular hollow structure or a fan-shaped hollow structure, which is conducive to deformation.

[0030] The sealing portion 71 contacts the conversion frame 400 and is deformed, the recessed portion 64 provides space for the deformed sealing portion 71, and the buckle portion 72 is connected to the first groove body 65;

[0031] Therefore, the provision of the water retaining member 6 and the water retaining rubber strip 7 can improve the sealing between the frame 300 and the conversion frame 400, thereby preventing rainwater from flowing back into the room.

[0032] In addition, the first wall 61 of the water retaining member 6 is a relatively large flat surface. After the water retaining member 6 is assembled to the frame 300 , it is convenient for assembling the conversion frame 400 and helps to improve the assembly accuracy.

[0033] The water retaining member 6 is buckled to the frame 300 .

[0034] refer to Figure 2 The frame 300 includes a third profile 310, a fourth profile 320 and a second broken bridge 330, and the second broken bridge 330 is disposed between the third profile 310 and the fourth profile 320;

[0035] A first buckle position 3101 is provided on one side of the third profile 310 close to the second broken bridge 330 , and a second buckle position 3201 is provided on one side of the fourth profile 320 close to the second broken bridge 330 ;

[0036] A first buckle hook 62 and a second buckle hook 63 are respectively provided at both ends of the first wall 61 of the water retaining member 6. The first buckle hook 62 is connected to the first buckle position 3101, and the second buckle hook 63 is connected to the second buckle position 3201, thereby realizing buckling and facilitating assembly.

[0037] The conversion frame 400 includes a first profile 410, a second profile 420 and a first broken bridge 430, wherein the first broken bridge 430 is disposed between the first profile 410 and the second profile 420;

[0038] The first profile 410 and the third profile 310 are both provided with drainage structures. For example, the first profile 410 and the third profile 310 are both provided with drainage holes, so that rainwater flows along the ab direction and is discharged outdoors.

[0039] The sealing portion 71 of the water-retaining rubber strip 7 abuts against a side of the first profile 410 close to the first broken bridge 430 , that is, the recessed portion 64 is provided on a side close to the first profile 410 , thereby effectively preventing rainwater from flowing toward the indoor side.

[0040] refer to Figure 4A door and window, including a frame 300, a conversion frame 400 and a glass sash window assembly 200, also includes the above-mentioned structure for preventing rainwater from flowing back, the structure for preventing rainwater from flowing back includes a water retaining member 6 and a water retaining rubber strip 7. The arrangement of the water retaining member 6 and the water retaining rubber strip 7 can improve the sealing between the frame 300 and the conversion frame 400, thereby preventing rainwater from flowing back into the room, and the first wall 61 of the water retaining member 6 is a relatively large flat surface. After the water retaining member 6 is assembled to the frame 300, it provides convenience for assembling the conversion frame 400 and helps to improve the assembly accuracy.

[0041] The above disclosure is only some embodiments of the utility model. For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the utility model, and these all belong to the protection scope of the utility model.

Claims

1. A structure for preventing rainwater from flowing back, characterized in that: It comprises a frame (300), a conversion frame (400), a water retaining member (6) and a water retaining rubber strip (7); The frame (300) and the conversion frame (400) are both provided with a drainage structure on one side close to the outside; The water retaining member (6) is provided in the middle between the frame (300) and the conversion frame (400); The water retaining member (6) comprises a first wall (61), the first wall (61) is provided with a recessed portion (64), and the bottom wall of the recessed portion (64) is provided with a first groove body (65); The water-retaining rubber strip (7) comprises a sealing portion (71) and a buckling portion (72); the recessed portion (64) can accommodate the sealing portion (71); the sealing portion (71) is a semicircular hollow structure or a fan-shaped hollow structure; the sealing portion (71) abuts against the conversion frame (400); and the buckling portion (72) is connected to the first slot body (65).

2. A rainwater backflow prevention structure according to claim 1, characterized in that: The water retaining member (6) is buckled to the frame (300).

3. A rainwater backflow prevention structure according to claim 2, characterized in that: The frame (300) comprises a third profile (310), a fourth profile (320) and a second thermally-insulated bridge (330), wherein the second thermally-insulated bridge (330) is arranged between the third profile (310) and the fourth profile (320); A first buckle position (3101) is provided on a side of the third profile (310) close to the second broken bridge (330), and a second buckle position (3201) is provided on a side of the fourth profile (320) close to the second broken bridge (330); A first buckle hook (62) and a second buckle hook (63) are respectively provided at two ends of the first wall (61) of the water retaining member (6).

4. The structure for preventing rainwater backflow according to claim 3, characterized in that: The conversion frame (400) comprises a first profile (410), a second profile (420) and a first thermal break bridge (430), wherein the first thermal break bridge (430) is arranged between the first profile (410) and the second profile (420); The sealing portion (71) of the water-retaining rubber strip (7) is in contact with a side of the first profile (410) close to the first broken bridge (430).

5. The structure for preventing rainwater backflow according to claim 4, characterized in that: The first profile (410) and the third profile (310) are both provided with drainage structures.

6. A door and window, characterized in that: It comprises the structure for preventing rainwater backflow as described in any one of claims 1 to 5.

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