CN217925640U - Drainage cover and door and window with same - Google Patents

Abstract

The utility model discloses a drainage lid and have its door and window, drainage lid includes: the base is provided with a water drainage hole which penetrates through the front and the back of the base, and the back side surface of the base is provided with a first groove which is arranged around the water drainage hole; the first sealing ring is in adaptive connection with the first groove and at least partially extends out of the opening of the first groove; the water baffle is positioned on the front side of the drain hole, the top end of the water baffle is hinged with the base so that the water baffle can swing around a left-right extending axis, one of the water baffle and the base is provided with an annular second groove, the other one of the water baffle and the base is provided with an annular water baffle strip, and the second groove and the water baffle strip are arranged around the drain hole; and the second sealing ring is in adaptive connection with the second groove and can be abutted against the water retaining strip. First sealing washer seals the clearance of base and door and window, and the breakwater seals the clearance of breakwater and base with second sealing washer looks butt, and under the common seal effect of first sealing washer and second sealing washer, this drainage lid has the function of the preferred preventing flowing backwards and mosquito-proof worm.

Description

Drainage cover and door and window with same

Technical Field

The utility model relates to a door and window technical field, in particular to drainage lid and have its door and window.

Background

Because the door and window can have the condition of cavity ponding, consequently must set up the wash port on door and window to carry out the evacuation to the ponding in the cavity. In order to improve the decoration effect and the backflow prevention effect of doors and windows, door and window enterprises can design a drainage cover at a drainage hole. However, under the conditions of strong wind and heavy rain, the existing drainage cover has the problem of rainwater backflow, and the larger the wind pressure is, the larger the rain force is, the more serious the backflow is; furthermore, mosquitoes can enter from the water outlet of the water drainage cover. Therefore, the existing drainage cover has the defects of poor effects of preventing backflow and preventing mosquitoes, and needs to be further improved.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to provide a drainage cover to solve one or more technical problems existing in the prior art.

In addition, the utility model discloses another aim at provides a door and window with above-mentioned drainage lid.

The technical scheme adopted for solving the technical problems is as follows:

the utility model discloses a drainage cover, it includes:

the base is provided with a water drainage hole penetrating through the front and the rear of the base, the rear side surface of the base is sunken to form an annular first groove, and the first groove is arranged around the water drainage hole;

the first sealing ring is in adaptive connection with the first groove, and at least part of the first sealing ring extends out of the opening of the first groove;

the water baffle is positioned at the front side of the drain hole, the top end of the water baffle is hinged with the base so that the water baffle can swing around a left-right extending axis, one of the water baffle and the base is provided with an annular second groove, the other one of the water baffle and the base is provided with an annular water bar, and the second groove and the water bar are arranged around the drain hole;

and the second sealing ring is in adaptive connection with the second groove, and the second sealing ring can be abutted against the water retaining strip.

The utility model discloses following beneficial effect has at least: the base is provided with a first groove surrounding the drain hole, the first sealing ring is arranged in the first groove, and part of the first sealing ring extends out of the opening of the first groove; the top end of the water baffle is hinged with the base, when the drainage cover drains water, accumulated water in the door and the window can apply force to the water baffle to drive the water baffle to swing upwards so as to open the drainage hole, and the accumulated water flows out of the drainage hole; a second sealing ring is arranged between the water baffle and the base, one of the water baffle and the base is provided with a second groove surrounding the drain hole, the other one of the water baffle and the base is provided with a water baffle strip surrounding the drain hole, the second sealing ring is arranged in the second groove, and when the water baffle is in a natural state or meets the wind and rain conditions, the water baffle strip is abutted against the second sealing ring to effectively seal the gap between the water baffle and the base and prevent rainwater and mosquitoes from entering the drain hole; under the common sealing action of the first sealing ring and the second sealing ring, the drainage cover can play a better role in preventing backflow and mosquitoes.

As a further improvement of the technical scheme, the rear side face of the base is provided with two mounting buckles which are connected with the door and window buckles, the two mounting buckles are symmetrically arranged, and the two mounting buckles are respectively positioned on two opposite sides of the drain hole. The rear side of the base is provided with two symmetrical mounting buckles, and when the base is mounted on a door window, the mounting buckles and the door window produce a buckle connection effect, so that the base can be stably fixed on the door window.

As a further improvement of the above technical solution, the mounting buckle includes a connecting portion and a deformation portion, the connecting portion extends backward from the rear side surface of the base, the deformation portion is located on a side of the connecting portion away from the drain hole, a rear end of the deformation portion is connected with a rear end of the connecting portion, and the deformation portion can be close to or away from the connecting portion. In the installation buckle structure, the rear end of deformation portion is connected with the rear end of connecting portion, and when the base inserted door and window's mounting hole, deformation portion was close to connecting portion because of the squeezing action that receives the mounting hole wall to apply to, makes the installation buckle can insert the mounting hole smoothly, and after the squeezing action disappeared, deformation portion took place elastic recovery, reverted to original state to make deformation portion card at the mounting hole, the buckle of accomplishing base and door and window is connected.

As a further improvement of the above technical scheme, the deformation portion is in arc transition connection with the connecting portion, the deformation portion is provided with a guide surface and an inclined surface, the guide surface is located the deformation portion is far away from one side of the connecting portion, the guide surface inclines from back to front to the deformation portion, the inclined surface is opposite to the rear side surface of the base, and the inclined surface inclines from back to front to the connecting portion.

The deformation part is in arc transition connection with the connecting part, so that the deformation part is easy to swing towards the connecting part when being extruded, and cracks are not easy to occur between the deformation part and the connecting part; the deformation part is provided with a guide surface, when the installation buckle is inserted into the installation hole of the door and window, the wall surface of the installation hole is contacted with the guide surface, and the guide surface can play a role of guiding, so that the wall surface of the installation hole can smoothly slide on the guide surface, and the deformation part is continuously extruded, and the deformation part is driven to swing towards the direction of the connecting part; deformation portion sets up the inclined plane, the inclined plane is by the slope of back to connecting portion, when deformation portion does not take place, the fore-and-aft distance between the front portion of inclined plane and the trailing flank of base is minimum, when deformation portion takes place deformation, deformation portion swings to connecting portion, the fore-and-aft distance increase between the front portion of inclined plane and the trailing flank of base, be greater than door and window's mounting hole degree of depth, make deformation portion can remove to the mounting hole rear side, after deformation portion elastic recovery, deformation portion swings to connecting portion dorsad, cause the anterior AND gate window looks butt on inclined plane, thereby let the buckle connection effect of installation buckle performance preferred.

As a further improvement of the technical scheme, the front side surface of the base is concavely provided with a containing groove, the drain hole is positioned in the containing groove, the water baffle is positioned in the containing groove, and the water baffle is matched with the containing groove. The base sets up the holding tank, and wash port and breakwater all are located the holding tank, and the wall of holding tank can produce the effect of sheltering from to the clearance between base and the breakwater, can prevent that the rainwater from flowing into the clearance between base and the breakwater, can further improve this drainage lid prevent flowing backward the effect.

As a further improvement of the technical scheme, the water baffle is provided with the second groove, the second sealing ring is positioned in the second groove, the base is provided with the water bar, and the water bar can extend into the second groove and is abutted against the second sealing ring. The second groove is formed in the water baffle, the water bar is arranged on the base, the second sealing ring is located in the second groove, when the water baffle is in a natural falling state due to self gravity, the water bar stretches into the second groove and is abutted to the second sealing ring, so that the second sealing ring is deformed, a gap between the base and the water baffle is effectively sealed, and rainwater and mosquitoes are prevented from entering the drain hole.

As a further improvement of the above technical solution, the base is provided with two lightening holes penetrating through the front and the rear, the two lightening holes are respectively arranged opposite to the two mounting fasteners, the mounting fasteners and the lightening holes are located between the drain holes and the first seal rings, and the lightening holes are located between the drain holes and the water bars.

The base is provided with the lightening hole, so that the weight of the drainage cover is favorably lightened, and the manufacturing material is saved; the lightening holes are positioned on the front side of the mounting buckle and are arranged opposite to the mounting buckle, after the base is connected with the door and window through the mounting buckle, the rear side surface of the base is attached to the door and window, and the door and window can shield the lightening holes, so that accumulated water flows out of the drainage holes; the lightening hole is located between the drain hole and the first sealing ring and between the drain hole and the water retaining strip, and when the first sealing ring and the second sealing ring exert a sealing effect, rainwater and mosquitoes can be prevented from entering the door window from the lightening hole.

As a further improvement of the above technical solution, a weight-reducing groove is concavely formed on a rear side surface of the water guard, and the weight-reducing groove is arranged opposite to the water drain hole. The water baffle is provided with the weight reduction groove, so that the weight of the water baffle is reduced, the material is saved, the blocking acting force of the water baffle on accumulated water in the door and the window can be reduced, and the accumulated water is easier to empty.

As a further improvement of the technical scheme, the top end of the water baffle is provided with a rotating shaft, the axis of the rotating shaft extends along the left-right direction, the base is provided with a shaft hole, and the rotating shaft is arranged in the shaft hole. The breakwater is connected with the shaft hole of the base through the rotating shaft, so that the breakwater can swing upwards relative to the base to drain accumulated water in the door and the window.

In a second aspect, the utility model provides a door and window, it includes the frame and as above drainage lid, the frame is equipped with the mounting hole around running through, drainage lid is located the front side of frame, drainage lid is established the mounting hole. The frame of the door and window is provided with the drainage cover, so that the door and window has better functions of preventing backflow and mosquitoes.

Drawings

The present invention will be further explained with reference to the drawings and examples;

fig. 1 is an exploded view of a drain cover according to an embodiment of the present invention;

FIG. 2 is a perspective view of a drainage cover according to an embodiment of the present invention;

fig. 3 is a perspective view of the drainage cover provided by the embodiment of the present invention from another perspective view;

fig. 4 is a perspective view of a water baffle according to an embodiment of the present invention;

fig. 5 is a perspective view of a base according to an embodiment of the present invention;

fig. 6 is a perspective view of the base provided by the embodiment of the present invention from another perspective;

fig. 7 is a plan view of a drain cover according to an embodiment of the present invention;

fig. 8 is a sectional view of a drain cover according to an embodiment of the present invention;

fig. 9 is a schematic structural view of a door/window provided in an embodiment of the present invention in a closed state of a drainage cover;

fig. 10 is a schematic structural view of a door/window in an open state of a drain cover according to an embodiment of the present invention.

The drawings are numbered as follows: 100. a water baffle; 110. a rotating shaft; 120. a second groove; 130. a weight reduction groove; 140. a weight-reducing groove; 200. a second seal ring; 300. a base; 310. a drain hole; 320. a first groove; 330. mounting a buckle; 331. a connecting portion; 332. a deformation section; 333. a guide surface; 334. an inclined surface; 340. a shaft hole; 350. lightening holes; 360. a water bar; 370. accommodating a tank; 400. a first seal ring; 500. a frame.

Detailed Description

This section will describe in detail the embodiments of the present invention, the preferred embodiments of which are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can visually and vividly understand each technical feature and the whole technical solution of the present invention, but it cannot be understood as a limitation to the scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if words such as "a plurality of" are used, the meaning is one or more, the meaning of a plurality is two or more, and the meaning of more than, less than, more than, etc. is understood as not including the number, and the meaning of more than, less than, more than, etc. is understood as including the number. If any description to first, second and third is only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1 to 10, several embodiments of the drain cover and the door and window having the same according to the present invention will be described.

As shown in fig. 1 to 8, an embodiment of the present invention provides a drainage cover, which includes a base 300, a first sealing ring 400, a water baffle 100 and a second sealing ring 200. It is understood that the base 300 and the water guard 100 may be made of plastic, and the first and second sealing rings 400 and 200 may be rubber sealing rings, silicon sealing rings, etc.

The base 300 is provided with a water discharge hole 310 penetrating the front and rear, and the water discharge hole 310 may be a circular hole, a square hole, or the like. In the present embodiment, the drainage hole 310 is a through hole having a rectangular shape, and the drainage hole 310 is located at a middle position of the base 300. The rear side surface of the base 300 is recessed to form an annular first groove 320, and the first groove 320 may be annular or square when viewed from the rear. The first groove 320 is disposed around the drain hole 310, that is, the drain hole 310 is located in an area surrounded by the first groove 320.

First sealing washer 400 and first recess 320 adaptation connection, also the internal wall face of first sealing washer 400 and first recess 320 contacts, first sealing washer 400 is fixed on base 300, moreover, first sealing washer 400 is at least partly stretched out the opening of first recess 320, therefore, when base 300 is installed in door and window, first sealing washer 400 is out of shape under base 300 and door and window's squeezing action, cause first sealing washer 400 to fill the clearance between base 300 and the door and window, thereby effectively seal the clearance between base 300 and the door and window, prevent rainwater, the mosquito from getting into the cavity of door and window.

The splash plate 100 is located at the front side of the drain hole 310, and the top end of the splash plate 100 is hinged to the base 300 so that the splash plate 100 can swing about an axis extending left and right. Specifically, the top end of the splash plate 100 is provided with a rotating shaft 110, the axis of the rotating shaft 110 extends along the left-right direction, the base 300 is provided with a shaft hole 340, and the rotating shaft 110 is arranged in the shaft hole 340, so that the splash plate 100 can swing upwards around the axis extending left and right relative to the base 300.

In this embodiment, the left side of the splash plate 100 protrudes towards the left to form a rotating shaft 110, the right side of the splash plate 100 protrudes towards the right to form a rotating shaft 110, the two rotating shafts 110 are located at the top end of the splash plate 100 and are integrally formed with the splash plate 100, and the central axes of the two rotating shafts 110 coincide. The base 300 is provided with a through hole located above the drain hole 310, shaft holes 340 are provided on both left and right sides of the through hole, the axis of the shaft hole 340 extends left and right, and the shaft hole 340 penetrates through the rear side surface of the base 300. When the splash plate 100 is mounted on the base 300, one of the rotating shafts 110 may pass through the through hole and extend into the corresponding shaft hole 340, and then the other rotating shaft 110 may be squeezed into the through hole and clamped in the corresponding shaft hole 340, so that the rotating shaft 110 may drive the splash plate 100 to rotate around an axis extending from left to right.

In other embodiments, the following hinge structure may be used between the base 300 and the splash plate 100. The base 300 is provided with two bilaterally symmetrical rotating shaft parts at the through hole, the water baffle 100 is correspondingly provided with the rotating shaft hole, and the rotating shaft hole is inserted through the rotating shaft part, so that the base 300 is hinged with the water baffle 100. Or, the breakwater 100 and the base 300 are both provided with hinge holes, and then hinge shafts extending left and right at both ends are adopted to pass through the hinge holes of the breakwater 100 and the hinge holes of the base 300, and the hinge shafts are connected with the base 300 through a thread structure, so that the breakwater 100 can swing upwards relative to the base 300.

Because the top of breakwater 100 is articulated with base 300, consequently, when the drainage lid was discharged water, the ponding in the door and window cavity can be to breakwater 100 application of force, orders about breakwater 100 up swing to open wash port 310, make ponding flow out the door and window cavity outside wash port 310, prevent that the door and window cavity ponding is too much.

The rear side of the water guard plate 100 is concavely formed with an annular second groove 120, the front side of the base 300 is convexly formed with an annular water guard bar 360, and the cross section of the water guard bar 360 may be in the shape of a semicircle, a square, an isosceles trapezoid, or the like. The second groove 120 and the water bar 360 are disposed around the drain hole 310, that is, the drain hole 310 is located in an annular region surrounded by the second groove 120, and is also located in an annular region surrounded by the water bar 360. The second seal ring 200 is fittingly connected to the second groove 120, that is, the second seal ring 200 contacts with an inner wall surface of the second groove 120, so that the second seal ring 200 is fixed to the splash plate 100.

In other embodiments, the front side of the base 300 is concavely formed with an annular second groove 120, the rear side of the water guard 100 is convexly formed with an annular water bar 360, and the second groove 120 and the water bar 360 are both disposed around the drain hole 310.

Moreover, when the water baffle 100 is in a natural hanging state due to self weight or meets the weather conditions of wind and rain, the second sealing ring 200 can abut against the water bar 360, and the second sealing ring 200 effectively seals the gap between the water baffle 100 and the base 300, so that rainwater and mosquitoes are prevented from entering the cavity of the door and window through the drainage hole 310.

This drainage lid sets up first sealing washer 400 at the rear side of base 300, sets up breakwater 360 and second sealing washer 200 between breakwater 100 and base 300, because the sealing action of first sealing washer 400 and second sealing washer 200 homoenergetic performance preferred, makes this drainage lid can play the effect of the preferred anti-flowing backwards and mosquito-proof worm.

In some embodiments, as shown in fig. 4, the rear side of the water guard plate 100 is concavely formed with weight-reducing slots 130, the weight-reducing slots 130 are opened backwards, and the weight-reducing slots 130 may be, but are not limited to, square slots. The weight reduction groove 130 is arranged opposite to the water drainage hole 310, so that the weight of the water baffle 100 is reduced, the material and the cost are saved, the blocking acting force of the water baffle 100 on accumulated water in a door and window cavity can be reduced, and the accumulated water can be drained more easily. Further, the rear side of the splash plate 100 may further be provided with a lightening recess 140, the lightening recess 140 opens rearward, and the lightening recess 140 is located above the second recess 120.

In some embodiments, as shown in fig. 5 and 8, the front side surface of the base 300 is concavely formed with a receiving groove 370, in this embodiment, the peripheral edge of the base 300 is convexly formed forward, the convex portion encloses the receiving groove 370, the water discharging hole 310 is located in the receiving groove 370, the water baffle 100 is located in the receiving groove 370, and the water baffle 100 is fitted into the receiving groove 370, and the distance between the water baffle 100 and the inner wall surface of the receiving groove 370 may be set to be small, for example, 1-2 mm.

The wall surfaces of the receiving groove 370 may shield the gap between the base 300 and the splash plate 100, and may prevent rainwater from flowing into the gap between the base 300 and the splash plate 100, thereby further improving the backflow prevention function of the drain cover.

If the water baffle 100 is provided with the second groove 120, the second sealing ring 200 is located in the second groove 120, and the base 300 is provided with the water bar 360, then the water bar 360 is located in the accommodating groove 370, and the water bar 360 can extend into the second groove 120 and abut against the second sealing ring 200.

In some embodiments, the drainage cover may be connected to the door or window by screws, and at this time, the door or window and the drainage cover need to be provided with connection holes. In addition, the drain cover may be fixed to the door window by glue.

In some embodiments, as shown in fig. 6 to 8, the drainage cover is fixedly connected with the door window by a snap structure. The rear side of the base 300 is provided with two mounting fasteners 330 for fastening connection with a door/window, the two mounting fasteners 330 are symmetrically arranged, and the two mounting fasteners 330 are respectively located at two opposite sides of the drain hole 310. The two mounting hooks 330 may be respectively located on the left side and the right side of the drainage hole 310, or respectively located on the upper side and the lower side of the drainage hole 310, or the mounting hooks 330 are disposed on the upper side, the lower side, the left side and the right side of the drainage hole 310.

In the present embodiment, the mounting catches 330 are provided on both left and right sides of the drain holes 310. Specifically, the mounting buckle 330 includes a connecting portion 331 and a deformation portion 332, the connecting portion 331 extends backward from the rear side of the base 300, in this embodiment, the connecting portion 331 is a rectangular block, and the connecting portion 331 and the base 300 are integrally formed. The deformation portion 332 is located on a side of the connection portion 331 away from the drainage hole 310, for example, taking the mounting buckle 330 located on the left side of the drainage hole 310 as an example, the deformation portion 332 is located on the left side of the connection portion 331.

The rear end of the deformation portion 332 is connected to the rear end of the connection portion 331, and the deformation portion 332 can be close to or far from the connection portion 331. In this embodiment, the deformation portion 332 is in arc transition connection with the connection portion 331, that is, the connection between the deformation portion 332 and the connection portion 331 adopts an arc transition design, so that the deformation portion 332 is easy to swing toward the connection portion 331 when being squeezed, and after the squeezing action is cancelled, the deformation portion 332 can elastically recover; moreover, the joint between the deformation portion 332 and the connection portion 331 is not prone to crack, and the service life of the installation buckle 330 can be prolonged.

The deformable portion 332 is provided with a guide surface 333 and an inclined surface 334. The guide surface 333 is located on the side of the deformation portion 332 away from the connection portion 331, the guide surface 333 is inclined from the rear to the front toward the deformation portion 332, the inclined surface 334 is disposed opposite to the rear side surface of the base 300, and the inclined surface 334 is inclined from the rear to the front toward the connection portion 331.

In the following description, the mounting clip 330 is positioned on the left side of the base 300, the guide surface 333 is positioned on the left side of the deformation portion 332, and the inclined surface 334 is positioned on the front side of the deformation portion 332. When the mounting buckle 330 is inserted into the mounting hole of the door or window, the inner wall surface of the mounting hole contacts with the guide surface 333, and the guide surface 333 can play a guiding role, so that the inner wall surface of the mounting hole smoothly slides on the guide surface 333, and the deformation portion 332 is continuously squeezed, and thus the deformation portion 332 is driven to swing towards the connecting portion 331 (i.e., towards the right), so that the mounting buckle 330 is squeezed into the mounting hole of the door or window.

The deformation part 332 is provided with the inclined surface 334 having the above-mentioned structure, and when the deformation part 332 is not deformed, the front-rear distance between the front part of the inclined surface 334 and the rear side surface of the base 300 is the smallest; when the deformation part 332 is deformed due to being pressed, the deformation part 332 swings rightward, and in the process, the front-rear distance between the front part of the inclined surface 334 and the rear side surface of the base 300 is increased and is greater than the depth of the mounting hole of the door or window, so that the deformation part 332 can move to the rear side of the mounting hole of the door or window; then, when the deformation portion 332 is elastically restored, the deformation portion 332 swings leftwards, so that the front portion of the inclined surface 334 is abutted to the door and window, and the mounting buckle 330 plays a good buckling connection role, so that the base 300 can be stably fixed on the door and window, and the base 300 is prevented from shaking forwards and backwards relative to the door and window.

In some embodiments, as shown in fig. 5 and 6, the base 300 is provided with lightening holes 350 penetrating through the front and the rear, the lightening holes 350 may be round holes, square holes, etc., and the lightening holes 350 are provided to facilitate the lightening of the drain cover and save manufacturing materials.

The two lightening holes 350 are arranged, the two lightening holes 350 are respectively arranged opposite to the two mounting buckles 330, namely the lightening holes 350 are located on the front sides of the mounting buckles 330, the lightening holes 350 are located on the two sides of the water discharging holes 310, the water discharging holes 310 are arranged opposite to the mounting holes of the door and window, after the base 300 is connected with the door and window through the mounting buckles 330, the rear side face of the base 300 is attached to the door and window, the door and window can shield the lightening holes 350, and therefore water accumulated in the cavity of the door and window flows out of the water discharging holes 310.

Moreover, the mounting clip 330 and the lightening hole 350 are located between the drainage hole 310 and the first sealing ring 400, that is, the mounting clip 330 and the lightening hole 350 are both located in the area surrounded by the first sealing ring 400 and outside the drainage hole 310. The lightening holes 350 are located between the drain holes 310 and the water bar 360. When the first sealing ring 400 and the second sealing ring 200 exert the sealing effect, rainwater and mosquitoes can be prevented from entering the door and window from the lightening hole 350.

As shown in fig. 1 to 10, the embodiment of the utility model provides a still provide a door and window, door and window include frame 500 and drainage lid, and frame 500 is equipped with the mounting hole around running through, and the drainage lid is located frame 500's front side, and the drainage lid is established at the mounting hole, and the drainage lid is steadily fixed on door and window. When the water is not much accumulated or even does not exist in the cavity of the door window or the weather, the drainage cover is in a closed state, and the effect of backward flowing of rainwater and entering of mosquito can be effectively prevented. When the accumulated water in the cavity of the door and window is enough, the accumulated water exerts an acting force on the water baffle 100 of the drainage cover to open the drainage hole 310 of the drainage cover, so that the accumulated water flows out of the cavity of the door and window from the drainage hole 310, and finally the accumulated water is drained.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims (10)

1. A drain cover, comprising:

the water pump comprises a base (300) and a water pump body, wherein the base (300) is provided with a water drainage hole (310) penetrating through the front and the rear, the rear side surface of the base (300) is sunken to form an annular first groove (320), and the first groove (320) is arranged around the water drainage hole (310);

the first sealing ring (400) is matched and connected with the first groove (320), and the first sealing ring (400) at least partially extends out of the opening of the first groove (320);

the water baffle (100) is positioned on the front side of the drain hole (310), the top end of the water baffle (100) is hinged with the base (300) so that the water baffle (100) can swing around a left-right extending axis, one of the water baffle (100) and the base (300) is provided with an annular second groove (120), the other one of the water baffle (100) and the base is provided with an annular water baffle strip (360), and the second groove (120) and the water baffle strip (360) are arranged around the drain hole (310);

and the second sealing ring (200) is in adaptive connection with the second groove (120), and the second sealing ring (200) can be abutted against the water retaining strip (360).

2. The drain cover according to claim 1, wherein the rear side of the base (300) is provided with two mounting clips (330) for snap-connecting with a door/window, the two mounting clips (330) are symmetrically arranged, and the two mounting clips (330) are respectively located at two opposite sides of the drain hole (310).

3. The drain cover according to claim 2, wherein the mounting clip (330) comprises a connecting portion (331) and a deformation portion (332), the connecting portion (331) extends from the rear side of the base (300) to the rear, the deformation portion (332) is located on the side of the connecting portion (331) away from the drain hole (310), the rear end of the deformation portion (332) is connected to the rear end of the connecting portion (331), and the deformation portion (332) can be close to or away from the connecting portion (331).

4. The drain cover according to claim 3, wherein the deformation portion (332) is in arc transition connection with the connecting portion (331), the deformation portion (332) is provided with a guide surface (333) and an inclined surface (334), the guide surface (333) is located on one side of the deformation portion (332) far away from the connecting portion (331), the guide surface (333) is inclined from back to front to the deformation portion (332), the inclined surface (334) is opposite to the rear side surface of the base (300), and the inclined surface (334) is inclined from back to front to the connecting portion (331).

5. The drain cover according to claim 1, wherein the front side of the base (300) is recessed to form a receiving groove (370), the drain hole (310) is located in the receiving groove (370), the splash plate (100) is located in the receiving groove (370), and the splash plate (100) is fitted into the receiving groove (370).

6. The drain cover according to claim 5, wherein the water deflector (100) is provided with the second groove (120), the second sealing ring (200) is located in the second groove (120), the base (300) is provided with the water bar (360), and the water bar (360) can extend into the second groove (120) and abut against the second sealing ring (200).

7. The drain cover according to claim 2, wherein the base (300) is provided with two lightening holes (350) penetrating through the front and the rear, the two lightening holes (350) are respectively arranged opposite to the two mounting buckles (330), the mounting buckles (330) and the lightening holes (350) are positioned between the drain hole (310) and the first sealing ring (400), and the lightening holes (350) are positioned between the drain hole (310) and the water blocking strip (360).

8. The drain cover according to claim 1, wherein the rear side of the splash plate (100) is recessed to form a lightening groove (130), and the lightening groove (130) is disposed opposite to the drain hole (310).

9. The drain cover according to claim 1, wherein a rotation shaft (110) is provided at a top end of the water deflector (100), an axis of the rotation shaft (110) extends in a left-right direction, the base (300) is provided with a shaft hole (340), and the rotation shaft (110) is provided in the shaft hole (340).

10. A door or window, characterized in that it comprises a frame (500) and a drainage cover according to any one of claims 1 to 9, said frame (500) being provided with mounting holes running through the front and rear, said drainage cover being located at the front side of said frame (500), said drainage cover being provided at said mounting holes.

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