CN118407701A - Anti-backflow drainage door and window component - Google Patents

Abstract

The invention relates to the technical field of doors and windows, and particularly discloses a backflow-preventing and draining door and window component which comprises an outer profile frame, an inner profile frame and a heat insulation bridge-cut-off strip, wherein a water leakage notch is formed in the upper surface of the outer profile frame, a corresponding draining notch is formed in the outer surface of the outer profile frame, and a backflow-preventing draining piece is arranged between the water leakage notch and the draining notch; the anti-backflow drainage piece comprises a water leakage box and a drainage box, the upper surface of the inner end of the drainage box is provided with a slot opening, the upper surface of the water leakage box is provided with a water leakage hole, a floating block is arranged in the water leakage box in a fitting manner, a spring is connected between the floating block and the top wall of the water leakage box, the side surface of the floating block is provided with a circulation groove, and the side wall of the water leakage box is provided with a groove sealing column; the anti-backflow water draining door and window component disclosed by the invention can automatically make actions in three days, not only prevents mosquitoes from entering a room on the premise of guaranteeing smooth drainage of rainwater, but also has a good anti-backflow effect, and meanwhile, the anti-backflow water draining door and window component is simple in structural design and convenient and quick to install.

Description

Anti-backflow drainage door and window component

Technical Field

The invention relates to the technical field of doors and windows, and particularly discloses a backflow-preventing drainage door and window component.

Background

The existing door and window drainage mode mainly comprises three modes of open drainage, hidden drainage and floor drain drainage, wherein the open drainage is that a drainage hole is formed in an outward door and window section bar, and compared with other two groups of drainage modes, the open drainage has the advantages of being simple in structure and better in drainage effect. But the design mode of the open drainage of door and window not only can let the mosquito get into in the room through the drainage channel, in strong storm weather moreover, has the problem that the rainwater flows backward.

For example, patent number 2020110376473 discloses an energy-saving door and window with smooth drainage, the door and window comprises a fixed window frame, the fixed window frame comprises an outer window frame and an inner window frame which are connected through a heat insulation bridge cut-off, the outer window frame adopts window frame section bars with hollow cavities, water leakage holes are formed in the upper surfaces of the hollow cavities, water drainage holes are formed in the outdoor side surfaces of the hollow cavities, water guide cavity pipes are arranged in the hollow cavities, and water leakage holes and water drainage holes which correspond to the water leakage holes and the water drainage holes and are in butt joint with the water leakage holes are formed in the upper surfaces and the outdoor side surfaces of the water guide cavity pipes. The energy-saving door and window disclosed by the application can realize the covering and opening of the water leakage hole by the movable arrangement of the windproof sliding block, and can effectively prevent mosquitoes from entering a room through the water drainage channel, but the windproof sliding block needs to be manually operated, so that the water leakage hole is difficult to seal in the first time when no one is at home. In addition, in rainy days, in order to realize smooth drainage, the water leakage holes are required to be opened, and after the water leakage holes are opened, the situation that rainwater flows backward easily occurs due to strong wind and heavy rain is easily added. Therefore, the application provides a backflow-preventing and draining door and window component which can effectively solve the technical problems.

Disclosure of Invention

The invention aims to provide a backflow-preventing and draining door and window component, which is used for preventing mosquitoes from entering a room through a draining channel in sunny days, and has the rainwater backflow-preventing performance while automatically opening the draining channel in rainy days to realize smooth drainage.

The invention is realized by the following technical scheme:

The anti-backflow drainage door and window component comprises an outer profile frame, an inner profile frame and a heat insulation bridge-cut-off strip, wherein a water leakage notch is formed in the upper surface of the outer profile frame, a drainage notch which is correspondingly arranged is formed in the outer surface of the outer profile frame, and an anti-backflow drainage piece is arranged between the water leakage notch and the drainage notch;

the anti-backflow drainage piece comprises a water leakage box arranged in a water leakage notch and a drainage box arranged in the water leakage notch, a slot opening matched with the lower end of the water leakage box is formed in the upper surface of the inner end of the drainage box, a water leakage hole is formed in the upper surface of the water leakage box, a floating block is arranged in the water leakage box in a fitting mode, a spring is connected between the floating block and the top wall of the water leakage box, a vertically arranged circulation groove is formed in the side face of the floating block, and a groove sealing column matched with the circulation groove is arranged on the side wall of the water leakage box;

The upper limit sliding connection of the roof of drainage box has the removal extrusion strip, the lower surface of slider is provided with the inclined plane strip that stretches into in the drainage box with remove extrusion strip inner phase effect, the outer end of removal extrusion strip is provided with windward plate, and leaves the flow gap that is used for through the rainwater between windward plate and the diapire of drainage box.

In the invention, the water leakage box above the floating block is free of water accumulation during sunny days, and the weight of the floating block is insufficient to overcome the tensile force of the spring, so that the floating block is close to the upper part of the water leakage box, and a certain overlapping part exists between the circulating groove on the side surface of the floating block and the groove sealing column on the side wall of the water leakage box, so that the circulating groove can be sealed through the groove sealing column, and at the moment, the water drainage channel in the whole water backflow prevention drainage piece is blocked, so that mosquitoes cannot enter a room through the water drainage channel.

In ordinary rainy weather, the rainwater on the door and window component can flow downwards and gather in leaking the box, and the weight of slider and rainwater can overcome the pulling force of spring and make the slider remove downwards this moment to make the circulation groove and the sealing groove post separation on the slider side, and then open the circulation groove, then leak the rainwater that gathers in the box and then can flow into in the box through the circulation groove, then by the box drain again.

In strong storm weather, strong wind air current can carry the rainwater to move towards the outer end opening of drainage box and enter into the drainage box inside, has certain rainwater to flow backward the risk. At this moment, the strong wind air current can blow to the windward plate equally to promote the windward plate to the inner of drainage box, then through removing the effect between extrusion strip and the inclined plane strip and going up the slider and promote, make originally be in smooth form circulation groove by the shutoff of sealing the groove post, avoid the rainwater in the drainage box to take place the phenomenon of flowing backward through the circulation groove. Finally, after the strong wind air flow disappears, when rainwater cannot enter the drainage box, the floating blocks can open the circulation groove again to drain under the gravity action of accumulated water above, so that smooth drainage of the whole door and window component is ensured.

As a further arrangement of the scheme, the upper end of the water leakage box is provided with a first convex edge extending to the periphery, the outer end of the water leakage box is provided with a second convex edge extending to the periphery, and the first convex plate and the second convex plate are fixedly connected with the outer shape frame through screws. The design of the first convex edge and the second convex edge can play a role in limiting and positioning when the water leakage box, the water drainage box and the outer section frame are installed.

As a further arrangement of the scheme, the upper surface of the floating block is provided with the water accumulation groove, and the gravity of rainwater in the water accumulation groove can enable the floating block to move downwards to open the circulation groove under the action of the overcoming spring. The design of the water accumulation tank can enable the circulation tank to be in a smooth drainage state all the time in rainy days under non-strong wind days, and high-efficiency drainage is achieved.

As a further arrangement of the scheme, the upper surface of the floating block is arranged in an inclined plane shape, and one end of the lower surface of the floating block is arranged at one side of the circulation groove. The floating blocks are arranged into an inclined plane shape, so that accumulated water can flow to one side of the circulation groove in an acceleration manner, and further the accumulated water above the floating blocks is discharged in an acceleration manner.

As a further arrangement of the scheme, a plurality of circulation grooves are formed in the side face of the floating block, and the plurality of circulation grooves are arranged side by side. The design of the plurality of circulation grooves can improve the drainage speed of the whole anti-backflow drainage piece.

As a further arrangement of the scheme, a limiting slide rail is arranged on the top wall of the drainage box at the outer side of the slot opening, and the movable extrusion strip is arranged on the limiting slide rail in a sliding manner. The design of the limiting slide rail can realize that the movable extrusion strip and the windward plate stably move towards the inner end of the drainage box after being subjected to strong wind air flow.

As a further arrangement of the scheme, the lower end of the windward plate is arranged into an outwards bent arc shape, a plurality of guide strips are arranged on the outer port of the drainage box, and a ventilation gap formed between two adjacent guide bodies is obliquely upwards arranged. The shape design of the lower end of the windward plate is designed in an upward inclined mode in cooperation with the ventilation gap, so that strong wind flows can act on the windward plate more, and the whole anti-backflow drainage piece is more sensitive in reaction under the condition of facing rainwater backflow.

As a further arrangement of the scheme, the flowing gap between the windward plate and the bottom wall of the drainage box is 2-4 mm.

Compared with the prior art, the invention has the following beneficial effects:

According to the anti-backflow drainage door and window component disclosed by the invention, through the design of the anti-backflow drainage piece on the outer profile frame, a drainage channel can be sealed in non-rainwater weather, and mosquitoes are prevented from entering a room; the drainage channel can be automatically opened in the non-strong wind rain weather, so that the accumulated water on the door and window components can be rapidly discharged; the drainage channel can be temporarily sealed in strong wind and rain weather, so that the phenomenon that rainwater flows backward is avoided, and the drainage channel can be opened again to realize smooth drainage after strong wind air flow disappears; the whole anti-backflow drainage piece is ingenious in structural design, so that the door and window can automatically make corresponding actions in the face of three kinds of weather, mosquitoes are prevented from entering a room on the premise of guaranteeing smooth drainage of rainwater, and a good anti-backflow effect is achieved.

When the anti-backflow drainage piece is assembled with the outer profile frame, the drainage box is inserted along the drainage notch and fixed by using the screw, and then the water leakage box is inserted along the water leakage notch and the lower end of the water leakage box is inserted into the inner end of the drainage box, so that the water leakage box can be fixed by using the screw; the whole anti-backflow drainage piece is simple in structural design, convenient and quick to install, capable of being assembled with various types of sectional doors and windows without correspondingly changing the structure of an outer sectional frame, and high in applicability and practicality.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional internal plan view of an outer frame according to the present invention;

FIG. 3 is a schematic view of a first angular perspective of an outer frame according to the present invention;

FIG. 4 is a schematic view of a second perspective view of an outer frame according to the present invention;

FIG. 5 is a schematic view showing the external perspective structure of the anti-backflow drain member of the present invention;

FIG. 6 is a schematic view of the internal plan structure of the anti-backflow drain member of the present invention;

FIG. 7 is a schematic perspective view of the anti-backflow drain member of the present invention;

FIG. 8 is a schematic view of a water leakage box, a slider, a diagonal strip, etc. in a three-dimensional structure according to the present invention;

Fig. 9 is a schematic perspective view of a water leakage box, a floating block, a spring and the like in the present invention.

Detailed Description

In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.

It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The present application will be described in detail with reference to fig. 1 to 9, and examples.

Example 1

Embodiment 1 discloses prevent flowing backward drainage door and window component, refer to fig. 1, whole door and window component includes outer section bar frame 1, interior section bar frame 2 and thermal-insulated bridge cut-off strip 3, the both ends of two upper and lower thermal-insulated bridge cut-off strips 3 are connected with outer section bar frame 1, interior section bar frame 2 respectively, and then improve the thermal-insulated effect after the whole door and window combination, then be provided with in the space that two upper and lower thermal-insulated bridge cut-off strips 3, outer section bar frame 1 and interior section bar frame 2 enclose and close and inhale sound sponge 4, and then improve the sound insulation effect of whole door and window.

Referring to fig. 3 and 4, a water leakage notch 101 is formed on the upper surface of the outer profile frame 1, a water drainage notch 102 corresponding to each water leakage notch 101 is formed on the outer surface of the outer profile frame 1, so that the water leakage notch 101 and the water drainage notch 102 are positioned at the same position in the length direction of the outer profile frame 1, and then a backflow prevention water drainage piece 5 is detachably installed between the water leakage notch 101 and the water drainage notch 102 which are aligned with each other.

Referring to fig. 2 and fig. 5 to 9, the anti-backflow drainage member 5 includes a drainage box 501 matching the drainage slot 101 and a drainage box 502 matching the drainage slot 102, and a first flange 5011 extends to the periphery at the upper end of the drainage box 501, so that the drainage box 501 has a limiting and positioning function in the process of being installed in the drainage slot 101, and the drainage box 501 is prevented from being completely pressed into the outer profile frame 1 through the drainage slot 101. Similarly, the outer end of the drainage box 502 extends to the periphery to form a second convex edge 5021, and then the first convex edge 5011 and the second convex edge 5021 are provided with at least two screw holes, and the water leakage box 501 and the drainage box 502 can be fixedly arranged on the outer profile frame 1 through screws 503.

A plurality of water leakage holes 5012 are formed in the center of the upper surface of the water leakage box 501, and then a floating block 505 is arranged in the water leakage box 501, and the floating block 505 is attached to the inner cavity wall of the water leakage box 501, so that rainwater is prevented from flowing up and down through a gap between the floating block 505 and the water leakage box 501. Springs 506 are connected to both ends of the upper surface of the slider 505, and the upper ends of the springs 506 are fixedly connected to the top wall of the water leakage box 501. A plurality of side-by-side and vertical flow channels 5051 are provided on one side of the slider 505 at intervals, and then a sealing post 504 is provided on the side wall of the water leakage box 501 to be fitted with the flow channels 5051. When no rainwater exists in the water leakage box 501 above the floating block 505, due to the tensile force of the spring 506, a certain overlapping space exists between the upper end of the circulation groove 5051 and the lower end of the sealing groove column 504, so that the lower end of the circulation groove 5051 is sealed, and mosquitoes can be effectively prevented from entering the inside of a house through the circulation groove 5051. In rainy days, rainwater on the doors and windows can be gathered into the water leakage box 501 above the floating blocks 505 through the water leakage holes 5012, and at the moment, the floating blocks 505 can move downwards against the tension of the springs 506 under the action of the gravity of the rainwater, so that the upper ends of the circulation grooves 5051 are separated from the lower ends of the sealing groove columns 504, and at the moment, the rainwater can be discharged to the lower side of the water leakage box 501 through the circulation grooves 5051.

In addition, ponding grooves 5052 with a certain depth are formed in two ends of the upper surface of the floating block 505, and the gravity of all residual rainwater in the ponding grooves 5052 is controlled to completely overcome the pulling force of the springs 506 so that the floating block 505 can move downwards, and further the circulation grooves 5051 are always in an open state in rainy days. Meanwhile, the upper surface of the slider 505 is inclined, and the lower end of the slider is disposed at one side of the circulation groove 5051, so that rainwater can flow to one side of the circulation groove 5051 after entering the water leakage box 501, and the drainage of the rainwater is accelerated.

The slot 5022 matched with the lower end of the water leakage box 501 is formed in the inner end of the upper surface of the water leakage box 502, so that the lower end of the water leakage box 501 and the water leakage box 502 can extend into the water leakage box 502 after being fixedly installed with the outer profile frame 1, an L-shaped water drainage channel is formed in the inner cavity of the whole anti-backflow water drainage piece 5, and rainwater flowing down on doors and windows can be discharged from the outer end of the water leakage box 502.

When the anti-backflow drainage door and window member disclosed in this embodiment 1 is installed, the drainage box 502 is first inserted into the outer profile frame 1 along the drainage notch 102, and then fixed by screws. Then the water leakage box 501 is extended into the outer shape frame 1 along the water leakage notch 101, the lower end of the water leakage box 501 can be in butt joint with the slot 5022, the lower end opening of the water leakage box 501 is extended into the water leakage box 501, and finally the water leakage box 501 is fixedly connected to the outer shape frame 1 by using screws, so that the whole anti-backflow drainage piece 5 and the outer shape frame 1 are more convenient to install. In addition, in order to ensure the waterproof tightness of the water leakage box 501 and the water drainage box 502 mounted on the outer profile frame 1, corresponding waterproof glue is required to be applied.

In non-rainwater weather, because no ponding exists in the water leakage box 501 above the floating block 505, at this moment, under the tensile force of the spring 506, a certain overlapping space exists between the upper end of the circulation groove 5051 and the lower end of the groove sealing column 504, so that the lower end of the circulation groove 5051 is sealed, and mosquitoes can be effectively prevented from entering a house through the circulation groove 5051.

In rainy days, rainwater on the doors and windows can be gathered into the water leakage box 501 above the floating blocks 505 through the water leakage holes 5012, and at the moment, the floating blocks 505 can move downwards against the tension of the springs 506 under the action of the gravity of the rainwater, so that the upper ends of the circulation grooves 5051 are separated from the lower ends of the sealing groove columns 504, and then the rainwater can be discharged to the lower side of the water leakage box 501 through the circulation grooves 5051. Meanwhile, due to the existence of the ponding groove 5052 at the upper end of the floating block 505, part of rainwater can remain in the ponding groove 5052, and the gravity of the rainwater of the residual part can also overcome the pulling force of the spring 506 to enable the floating block 505 to move downwards, so that the circulation groove 5051 is always in an open state in rainy weather, and efficient drainage of efficient doors and windows is realized.

Example 2

Example 2 discloses a backflow-preventing and water-draining door and window component with further optimized and improved design based on the technical scheme in example 1, and the same points as those in example 1 are not described again.

Referring to fig. 5 to 8, a slope strip 507 extending into the drain box 502 is provided on the lower surface of the slider 505, the cross section of the slope strip 507 is of a trapezoid or triangle design, and the slope on the slope strip 507 is provided toward the outer end opening of the drain box 502. A limit slide rail 5023 is provided on the top wall of the drain box 502 located outside the slot 5022, then a movable extrusion bar 508 is slidably mounted on the limit slide rail 5023, and the side end of the movable extrusion bar 508 facing the inclined surface bar 507 is also provided in an inclined surface shape matched with the inclined surface bar 507. Meanwhile, a windward plate 509 extending downwards is connected to the outer end of the movable extrusion strip 508, and a running water gap of 2-4 mm is still reserved between the lower end of the windward plate 509 and the bottom wall of the drain box 502.

In order to increase the influence of external wind force on the windward plate 509, the lower end of the windward plate 509 is designed in an outwardly curved arc shape. Meanwhile, a plurality of guide strips 510 are further arranged on the outer port of the drainage box 502, and ventilation gaps between the guide strips are inclined upwards, so that external air flow can be blown to the windward plate 509 more when entering the drainage box 502, the windward plate 509 is subjected to larger wind force, and then the windward plate 509 moves towards the inner end.

The anti-backflow drainage door and window member disclosed in this embodiment 2 is in the case of encountering strong wind and heavy rain, the strong wind blowing to the drainage box 502 will carry rainwater into the drainage box 502, so that a certain anti-backflow condition exists. In this embodiment 2, through the above-mentioned design of the flow guiding strip 510 and the windward plate 509, the strong wind air flow is enabled to act on the windward plate 509 in a concentrated manner, so as to push the movable extrusion strip 508 to move towards the inner end of the drainage box 502, and then under the extrusion action between the movable extrusion strip 508 and the inclined surface strip 507, the floating block 505 is forced to push upwards, so that the originally opened circulation groove 5051 is spliced and overlapped with the sealing groove post 504 again, and the blocking of the flow channel in the inner cavity of the whole anti-backflow drainage piece 5 is realized, so that the occurrence of the situation of backflow of rainwater can be effectively avoided.

When strong wind blowing to the drain box 502 stops, rainwater also stops flowing backward inwards from the outer end of the drain box 502, at this time, along with more and more rainwater in the drain box 501 above the floating blocks 505, the floating blocks 505 are pushed downwards again under the gravity action of the rainwater, so that the circulation groove 5051 is opened again, and the accumulated water is discharged rapidly.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims (8)

1. The anti-backflow drainage door and window component comprises an outer profile frame, an inner profile frame and a heat insulation bridge-cut-off strip, and is characterized in that a water leakage notch is formed in the upper surface of the outer profile frame, a drainage notch which is correspondingly arranged is formed in the outer surface of the outer profile frame, and an anti-backflow drainage piece is arranged between the water leakage notch and the drainage notch;

the anti-backflow drainage piece comprises a water leakage box arranged in a water leakage notch and a drainage box arranged in the water leakage notch, a slot opening matched with the lower end of the water leakage box is formed in the upper surface of the inner end of the drainage box, a water leakage hole is formed in the upper surface of the water leakage box, a floating block is arranged in the water leakage box in a fitting mode, a spring is connected between the floating block and the top wall of the water leakage box, a vertically arranged circulation groove is formed in the side face of the floating block, and a groove sealing column matched with the circulation groove is arranged on the side wall of the water leakage box;

The upper limit sliding connection of the roof of drainage box has the removal extrusion strip, the lower surface of slider is provided with the inclined plane strip that stretches into in the drainage box with remove extrusion strip inner phase effect, the outer end of removal extrusion strip is provided with windward plate, and leaves the flow gap that is used for through the rainwater between windward plate and the diapire of drainage box.

2. The anti-backflow drainage door and window component according to claim 1, wherein a first convex edge extending to the periphery is arranged at the upper end of the water leakage box, a second convex edge extends to the periphery at the outer end of the drainage box, and the first convex plate and the second convex plate are fixedly connected with the outer shape frame through screws.

3. The anti-backflow drainage door and window member according to claim 1, wherein the upper surface of the slider is provided with a water accumulation groove, and the gravity of rainwater in the water accumulation groove can enable the slider to move downwards to open the circulation groove against the action of the spring.

4. The anti-backflow drain door and window member as claimed in claim 1, wherein the upper surface of the slider is inclined, and the lower end of the upper surface of the slider is disposed at one side of the flow channel.

5. The anti-backflow drainage door and window member according to claim 1, wherein the plurality of circulation grooves are formed in the side surface of the slider, and the plurality of circulation grooves are arranged side by side.

6. The anti-backflow drainage door and window member according to claim 1, wherein a limiting sliding rail is arranged on the top wall of the drainage box located outside the slot opening, and the movable extrusion strip is arranged on the limiting sliding rail in a sliding manner.

7. The backflow prevention and drainage door and window member according to claim 1, wherein the lower end of the windward plate is arranged in an outwards bent arc shape, a plurality of guide strips are arranged on the outer port of the drainage box, and a ventilation gap formed between two adjacent guide bodies is obliquely upwards arranged.

8. The anti-backflow drainage door and window member according to claim 1 or 7, wherein a flow gap between the windward plate and the bottom wall of the drainage box is set between 2-4 mm.