Open-close type combination window capable of preventing water from flowing backwards

Abstract

The utility model belongs to the technical field of doors and windows, and particularly relates to an open-close type combined window capable of preventing water from flowing backwards. The main frame is fixedly installed on the lower inner side of the window frame, the auxiliary frame is fixedly installed on the upper end face of the main frame, the window sash is rotationally connected with one side of the window frame, and the water backflow prevention mechanism is arranged at the joint of the main frame and the auxiliary frame. A traditional single-layer frame structure is changed, a double-layer structure of the main frame and the auxiliary frame is adopted, the window sash is not in direct contact with the main frame, the water backflow preventing mechanism is arranged on the matching face of the main frame and the auxiliary frame, rainwater entering the matching face of the window sash and the auxiliary window is prevented from transversely flowing into the window frame, and the service life of the window sash is prolonged. The service life of the window frame is shortened due to long-time rainwater accumulation, and rainwater is prevented from transversely flowing into a room to damage an indoor wall. Due to the arrangement of the main frame, the auxiliary frame and the water backflow prevention mechanism, the problem that rainwater enters the window frame and a room is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of doors and windows, and particularly relates to an opening and closing combined window with anti-backflow water prevention. Background Art

[0002] Doors and windows are an indispensable part of our daily buildings. Most of the existing doors and windows adopt opening and closing types and sliding types. Compared with sliding doors and windows, opening and closing doors and windows have a large opening area and good ventilation. Taking an opening and closing window as an example, an opening and closing window generally includes a window frame and a window sash rotatably installed on the window frame. One side of the window sash is hinged to the window frame to realize the rotational opening and closing of the window sash and the window frame.

[0003] In the prior art, in order to prevent external rainwater from entering the interior of the window frame and shortening the service life of the window frame, a number of water outlet holes are provided on the outer side of the lower part of the window frame to drain the water entering the window frame from the water outlet holes. However, when the rain is too heavy or there is too much water stored in the window frame, the rainwater will flow horizontally into the room, thus avoiding the rainwater from entering the room and damaging the interior wall. Summary of the Utility Model

[0004] The purpose of the utility model is to overcome the defect that rainwater is easy to enter the window frame or the room in the prior art, and provide an opening and closing combined window with anti-backflow water prevention with double barriers of a secondary frame and a main frame.

[0005] The technical solution adopted by the utility model to solve its technical problems is as follows:

[0006] An opening and closing combined window with anti-backflow water prevention, including a window frame, a main frame fixedly installed on the inner side of the lower part of the window frame, a secondary frame fixedly installed on the upper end surface of the main frame, a window sash rotatably connected to one side of the window frame, and an anti-backflow water prevention mechanism arranged at the connection between the main frame and the secondary frame; wherein,

[0007] The anti-backflow water prevention mechanism includes a first groove and a second groove arranged on the lower end surface of the secondary frame. The openings of the first groove and the second groove both face the upper end surface of the main frame. Sealing rubber strips are respectively arranged in the first groove and the second groove; the two sealing rubber strips arranged in the first groove and the second groove are in contact with and sealed to the upper end surface of the main frame.

[0008] Furthermore, the anti-backflow water prevention mechanism further includes a third groove arranged on the main frame. The opening of the third groove faces the outer side surface of the secondary frame. A sealing rubber strip is arranged in the third groove. The sealing rubber strip in the third groove is in contact with and sealed to the outer side surface of the secondary frame.

[0009] Furthermore, the main frame includes a main inner frame, a main heat insulation strip, and a main outer frame which are sequentially connected and installed from the inside to the outside;

[0010] The auxiliary frame includes an auxiliary inner frame, an auxiliary heat insulation strip, and an auxiliary outer frame that are sequentially connected and installed from the inside to the outside;

[0011] During installation, the main inner frame and the auxiliary inner frame, the main heat insulation strip and the auxiliary heat insulation strip, and the main outer frame and the main inner frame are correspondingly arranged.

[0012] Furthermore, the first groove is arranged on the auxiliary inner frame, and the sealing rubber strip passing through the first groove abuts and seals against the upper end surface of the main inner frame;

[0013] The second groove is arranged on the auxiliary outer frame, and the sealing rubber strip passing through the second groove abuts and seals against the main outer frame.

[0014] Furthermore, the main outer frame includes a lower end frame body and a baffle frame fixedly arranged on one side of the lower end frame body; during installation, the lower end frame body and the auxiliary outer frame are correspondingly arranged in the up-down direction, and the baffle frame extends to the outer side surface of the auxiliary outer frame.

[0015] Furthermore, the third groove is arranged on the baffle frame.

[0016] Furthermore, a drainage mechanism is further included; the drainage mechanism includes a first water outlet hole opened on the upper end surface of the auxiliary outer frame, a second water outlet hole opened on the lower end surface of the auxiliary outer frame, and a third water outlet hole opened on the baffle frame.

[0017] Furthermore, the water entering the upper end surface of the auxiliary outer frame enters the cavity of the auxiliary outer frame through the first water outlet hole, enters the upper end surface of the main outer frame through the second water outlet hole, and is discharged through the third water outlet hole.

[0018] Furthermore, the sealing rubber strip is made of a rubber strip.

[0019] Even further, a window screen assembly installed on the main inner frame is further included.

[0020] The beneficial effects of an opening and closing combined window with waterproof backflow prevention of the present utility model are:

[0021] The utility model changes the traditional single-layer frame structure and adopts a double-layer structure of a main frame and a sub-frame, so that the window sash does not directly contact the main frame. A waterproof backflow mechanism is arranged on the matching surface of the main frame and the sub-frame to prevent rainwater from entering the matching surface of the sash window and the sub-window from flowing horizontally into the window frame, which reduces the service life of the window frame due to long-term accumulation of rainwater. It also prevents rainwater from flowing horizontally into the room and causing damage to the indoor wall. The setting of the main and sub-frames and the waterproof backflow mechanism of the utility model solves the problem of rainwater entering the inside of the window frame and the room, and ensures the dryness of the inside of the window frame and the room. At the same time, the waterproof backflow mechanism adopts the first groove, the second groove and the sealing strips inserted in the two grooves to achieve a better sealing effect of the main and sub-frames. It has a simple structure, is easy to install, and is stable and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0023] Figure 1 It is an overall view of the opening state of the opening and closing combination window of the embodiment of the utility model.

[0024] Figure 2 It is an overall diagram of the closed state of the opening and closing combination window of the embodiment of the utility model.

[0025] Figure 3 yes Figure 2 Cross-sectional view at AA in the middle.

[0026] Figure 4 It is a schematic diagram of the drainage process of an embodiment of the utility model.

[0027] Figure 5 It is a schematic diagram of the cross-sectional structure of the main frame of an embodiment of the utility model.

[0028] Figure 6 It is a schematic cross-sectional structure diagram of a sub-frame according to an embodiment of the utility model.

[0029] Figure 7 It is a cross-sectional view of an opening and closing combined window with a screen window assembly according to an embodiment of the utility model.

[0030] In the figure: 1, window frame, 2, main frame, 21, main inner frame, 22, main insulation strip, 23, main outer frame, 231, lower end frame, 232, baffle frame, 3, sub-frame, 31, sub-inner frame, 32, sub-insulation strip, 33, sub-outer frame, 4, window sash, 5, waterproof backflow mechanism, 51, first groove, 52, second groove, 53, sealing strip, 54, third groove, 6, drainage mechanism, 61, first water outlet, 62, second water outlet, 63, third water outlet, 7, screen window assembly. DETAILED DESCRIPTION

[0031] The present utility model will now be further described in detail with reference to the accompanying drawings. These drawings are all simplified schematic diagrams, only schematically showing the basic structure of the present utility model, so they only show the components related to the present utility model.

[0032] As Figures 1-7 shown in a specific embodiment of an opening and closing combined window with waterproof backflow prevention of the present utility model, it includes a window frame 1, a main frame 2 fixedly installed on the inner lower side of the window frame 1, a sub-frame 3 fixedly installed on the upper end face of the main frame 2, a window sash 4 rotatably connected to one side of the window frame 1, and a waterproof backflow prevention mechanism 5 provided at the connection between the main frame 2 and the sub-frame 3. Among them, the waterproof backflow prevention mechanism 5 includes a first groove 51 and a second groove 52 provided on the lower end face of the sub-frame 3, the openings of the first groove 51 and the second groove 52 both face the upper end face of the main frame 2, and sealing rubber strips 53 are respectively penetrated in the first groove 51 and the second groove 52; the two sealing rubber strips 53 penetrated in the first groove 51 and the second groove 52 are in contact with and sealed against the upper end face of the main frame 2, forming two lines of defense against waterproof backflow, so as to avoid excessive rainwater entering the main frame 2 and flowing back into the room.

[0033] The present utility model changes the traditional single-layer frame structure and adopts a double-layer structure of the main frame 2 and the sub-frame 3, so that the window sash 4 does not directly contact the main frame 2. A waterproof backflow prevention mechanism 5 is provided on the mating surface of the main frame 2 and the sub-frame 3, avoiding rainwater entering the mating surface of the sash window and the sub-window from flowing horizontally into the window frame 1, reducing the service life of the window frame 1 due to long-term rainwater accumulation, and also preventing rainwater from flowing horizontally into the room and damaging the indoor wall. The settings of the main frame, the sub-frame 3 and the waterproof backflow prevention mechanism 5 of the present utility model solve the problems of rainwater entering the interior of the window frame 1 and the room, ensuring the dryness inside the window frame 1 and the room. At the same time, the waterproof backflow prevention mechanism 5 adopts the first groove 51, the second groove 52 and the sealing rubber strips 53 penetrated in the two grooves to achieve a good sealing effect between the main frame and the sub-frame 3, with a simple structure, convenient installation and stable and reliable.

[0034] As Figure 3 and Figure 4 shown, the waterproof backflow prevention mechanism 5 of this embodiment further includes a first groove 51 and a second groove 52 provided on the lower end face of the sub-frame 3, the openings of the first groove 51 and the second groove 52 both face the upper end face of the main frame 2, and sealing rubber strips 53 are respectively penetrated in the first groove 51 and the second groove 52; the two sealing rubber strips 53 penetrated in the first groove 51 and the second groove 52 are in contact with and sealed against the upper end face of the main frame 2, and a third groove 54 is provided on the main frame 2 relatively close to the outside to form a third line of defense, avoiding external rainwater from entering the main frame 2 from the outer connection between the main frame 2 and the sub-frame 3.

[0035] It should be further explained that the main frame 2 in this embodiment includes a main inner frame 21, a main heat-insulating strip 22, and a main outer frame 23 which are sequentially connected and installed from the inside to the outside. The sub-frame 3 includes a sub-inner frame 31, a sub-heat-insulating strip 32, and a sub-outer frame 33 which are sequentially connected and installed from the inside to the outside. During installation, the main inner frame 21 and the sub-inner frame 31, the main heat-insulating strip 22 and the sub-heat-insulating strip 32, and the main outer frame 23 and the main inner frame 21 are all arranged correspondingly. Specifically, as an embodiment, the first groove 51 is arranged on the sub-inner frame 31, and the sealing strip 53 inserted in the first groove 51 abuts against the upper end surface of the main inner frame 21 for sealing; the second groove 52 is arranged on the sub-outer frame 33, and the sealing strip 53 inserted in the second groove 52 abuts against the main outer frame 23 for sealing.

[0036] like Figure 5 As shown, the main outer frame 23 in this embodiment includes a lower frame 231 and a baffle frame 232 fixedly arranged on one side of the lower frame 231; when installed, the lower frame 231 and the sub-outer frame 33 are arranged correspondingly in the up and down directions, and the baffle frame 232 extends to the outer side of the sub-outer frame 33. Among them, the third groove 54 is arranged on the baffle frame 232. The main outer frame 23 of this embodiment includes a baffle frame 232 extending to the outer side of the sub-outer frame 33, and the third groove 54 is arranged on the baffle frame 232, so that the sealing strip 53 passing through the third groove 54 abuts against the outer side of the sub-outer frame 33 to form a barrier to prevent external rainwater from entering. It should be further explained that the sealing strip 53 in this embodiment is a rubber strip with a certain elasticity, so that the sealing strip 53 can adaptively seal the space of the first groove 51, the second groove 52 and the third groove 54 to achieve a better sealing effect.

[0037] The retractable doors and windows of this embodiment are also designed with a drainage mechanism 6 for draining rainwater blocked by the waterproof backflow mechanism 5 from the main frame 2 and the sub-frame 3. The drainage mechanism 6 includes a first water outlet 61 provided on the upper end surface of the sub-outer frame 33, a second water outlet 62 provided on the lower end surface of the sub-outer frame 33, and a third water outlet 63 provided on the baffle frame 232. The drainage process is as follows: the water entering the upper end surface of the sub-outer frame 33 enters the cavity of the sub-outer frame 33 through the first water outlet 61, enters the upper end surface of the main outer frame 23 through the second water outlet 62, and is discharged through the third water outlet 63. For details, refer to Figure 3 and Figure 4 .

[0038] In this embodiment, a first layer of waterproof backflow barrier is provided on the mating end face between the main outer frame 23 and the secondary outer frame 33, a second layer of waterproof backflow barrier is provided on the mating end face between the main inner frame 21 and the secondary inner frame 31, and a third layer of waterproof backflow barrier is provided on the mating surface between the outer side surface of the secondary outer frame 33 and the baffle frame 232. The use of the three layers of barriers can more completely block the entry of external rainwater.

[0039] It should be further noted that the window sash 4 and the window frame 1 that can be purchased on the market or can be conceived by those skilled in the art can be directly used or improved and applied to the opening and closing doors and windows in this embodiment. The structures of the window sash 4 and the window frame 1 will not be limited and described here.

[0040] As Figure 7 shown, the opening and closing doors and windows of this embodiment may further include a screen window assembly 7. It should be understood that the screen windows that can be purchased on the market currently can be applied to the doors and windows of this embodiment. The specific structure of the screen window assembly 7 will not be elaborated in detail here.

[0041] It should be understood that the specific embodiments described above are only used to explain the present invention and are not used to limit the present invention. The obvious changes or variations derived from the spirit of the present invention are still within the protection scope of the present invention.

Claims

1. A retractable combination window that is waterproof against backflow, characterized in that: The invention comprises a window frame (1), a main frame (2) fixedly mounted on the lower inner side of the window frame (1), a sub-frame (3) fixedly mounted on the upper end surface of the main frame (2), a window sash (4) rotatably connected to one side of the window frame (1), and a waterproof backflow mechanism (5) arranged at the connection between the main frame (2) and the sub-frame (3); wherein: The anti-backflow mechanism (5) comprises a first groove (51) and a second groove (52) arranged on the lower end surface of the auxiliary frame (3); the openings of the first groove (51) and the second groove (52) are both oriented toward the upper end surface of the main frame (2); and sealing strips (53) are inserted into the first groove (51) and the second groove (52); the two sealing strips (53) inserted into the first groove (51) and the second groove (52) abut against the upper end surface of the main frame (2) for sealing.

2. The waterproof backflow-proof opening and closing combination window according to claim 1, characterized in that: The anti-backflow mechanism (5) further comprises a third groove (54) arranged on the main frame (2), the opening of the third groove (54) facing the outer side surface of the sub-frame (3), a sealing strip (53) passing through the third groove (54), and the sealing strip (53) in the third groove (54) abutting against the outer side surface of the sub-frame (3) to form a seal.

3. The waterproof backflow-proof opening and closing combination window according to claim 2, characterized in that: The main frame (2) comprises a main inner frame (21), a main heat insulation strip (22), and a main outer frame (23) which are connected and installed in sequence from the inside to the outside; The sub-frame (3) comprises a sub-inner frame (31), a sub-insulation strip (32), and a sub-outer frame (33) which are sequentially connected and installed from the inside to the outside; During installation, the main inner frame (21) and the secondary inner frame (31), the main heat insulating strip (22) and the secondary heat insulating strip (32), and the main outer frame (23) and the main inner frame (21) are all arranged correspondingly.

4. The waterproof backflow-proof opening and closing combination window according to claim 3, characterized in that: The first groove (51) is arranged on the secondary inner frame (31), and the sealing strip (53) passing through the first groove (51) abuts against the upper end surface of the main inner frame (21) for sealing; The second groove (52) is arranged on the secondary outer frame (33), and the sealing strip (53) passing through the second groove (52) abuts against the main outer frame (23) for sealing.

5. The waterproof backflow-proof opening and closing combined window according to claim 3, characterized in that: The main outer frame (23) comprises a lower frame body (231) and a baffle frame (232) fixedly arranged on one side of the lower frame body (231); during installation, the lower frame body (231) and the secondary outer frame (33) are arranged correspondingly in the up and down directions, and the baffle frame (232) extends to the outer side surface of the secondary outer frame (33).

6. The waterproof backflow-proof opening and closing combined window according to claim 5, characterized in that: The third groove (54) is arranged on the baffle frame (232).

7. The waterproof backflow-proof opening and closing combination window according to claim 5, characterized in that: It also includes a drainage mechanism (6); the drainage mechanism (6) includes a first water outlet hole (61) provided on the upper end surface of the secondary outer frame (33), a second water outlet hole (62) provided on the lower end surface of the secondary outer frame (33), and a third water outlet hole (63) provided on the baffle frame (232).

8. The waterproof backflow-proof opening and closing combined window according to claim 7, characterized in that: Water entering the upper end surface of the secondary outer frame (33) enters the cavity of the secondary outer frame (33) through the first water outlet hole (61), enters the upper end surface of the main outer frame (23) through the second water outlet hole (62), and is discharged through the third water outlet hole (63).

9. The waterproof backflow-proof opening and closing combined window according to claim 1, characterized in that: The sealing strip (53) is a rubber strip.

10. The waterproof backflow-proof opening and closing combined window according to claim 3, characterized in that: It also includes a screen window assembly (7) mounted on the main inner frame (21).

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