Window frame drain hole with backflow prevention function
By installing a drainage structure with connectors and movable baffles in the drainage holes of the window frame, the problem of rainwater backflow is solved, achieving the effects of preventing backflow and mosquitoes, and it is suitable for various window sill widths.
Patent Information
- Application Number
- CN202423169717.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-20
AI Technical Summary
Existing window frame drainage holes are prone to rainwater backflow during heavy rain, causing window leaks.
A drainage hole structure with a connector and a movable baffle was designed. The connector passes through the outside of the window frame, and the accumulated water enters the drainage pipe through the drainage hole. The movable baffle is pushed open when the accumulated water flows out and is prevented from rotating by the limit strip when backflow occurs, thus preventing rainwater from flowing back.
It effectively blocks rainwater backflow, prevents window leaks, is suitable for different window sill widths, and also has mosquito-proof function.
Smart Images
Figure CN223562726U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to window frame drainage technical field, concretely is a window frame drainage hole with anti backflow function. BACKGROUND
[0002] The window frame is an important component of the window, which mainly plays a role in fixing and supporting the window glass, screen window and other components, and can also enhance the sealing, sound insulation and heat insulation of the window. When it rains, rainwater will be blown on the window by air flow, then flow down along the window and finally collect at the bottom of the window frame. In order to drain the accumulated water outside the bottom of the window frame, a hole for drainage is provided on the outer wall of the bottom of the window frame, so that the accumulated water flows out of the window frame through the hole. The existing window frame drainage only provides a single hole, which has no good protection effect. When the rain is heavy, the rainwater on the window sill is easy to flow back into the window frame through the hole, causing the problem of window leakage. SUMMARY
[0003] (I) Technical problem solved
[0004] In view of the deficiencies of the prior art, the utility model provides a window frame drainage hole with anti backflow function which can prevent rainwater from backflowing.
[0005] (II) Technical scheme
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a window frame drainage hole with anti backflow function, comprising a plug-in part, the plug-in part penetrates the outer frame of the window, the end face of the plug-in part is provided with a drainage pipe, a water flow hole is provided in the plug-in part and communicates with the drainage pipe, a movable baffle is provided on the inner wall of the drainage pipe, the top of the movable baffle is rotatably connected with the drainage pipe on both sides, the side of the movable baffle is provided with a spring sheet connected with the inner wall of the drainage pipe, and a limiting strip is provided in the drainage pipe and adheres to the inner side of the movable baffle.
[0007] Preferably, a first clamping block is provided on the drainage pipe, and a clasp is provided on the side of the plug-in part, and the clasp is connected with the first clamping block.
[0008] Preferably, a movable groove is provided on both sides of the end face of the plug-in part, a second clamping block is provided in the movable groove and is clamped with the inner side of the window frame, and a sealing strip is provided between the second clamping block and the movable groove.
[0009] Preferably, a telescopic hose is provided on the end face of the drainage pipe, a bending pipe is provided on the end face of the hose, and the bending pipe adheres to the outer eave of the window.
[0010] Preferably, a rubber pad is provided below the bending pipe, and the rubber pad is adhered to the window sill.
[0011] Preferably, the elbow pipe is internally provided with a mosquito-proof assembly for preventing insects from entering the drain pipe.
[0012] Preferably, the mosquito-proof assembly comprises a partition plate provided in the elbow pipe, and the partition plate is provided with filter holes.
[0013] Preferably, the partition plate is provided with a pin shaft, and the partition plate is rotatably connected to the elbow pipe through the pin shaft.
[0014] (Three) beneficial effects
[0015] Compared with the prior art, the window frame drain hole with the anti-backflow function has the following beneficial effects:
[0016] 1. The plug-in part is connected to the window frame and penetrates the outer side wall of the window frame, and the accumulated water in the window frame flows into the drain pipe through the water flow hole in the plug-in part. When the accumulated water flows from inside to outside, the movable baffle is pushed outward, so that the accumulated water flows out smoothly. When the rainwater backflows, it will flow from outside to inside. At this time, the limiting strip supports the movable baffle, so that it cannot be rotated and opened, thereby blocking the path of rainwater backflow, solving the problem of rainwater backflow, and avoiding water leakage due to rainwater backflow.
[0017] 2. The hose and the elbow pipe are provided, the hose can be connected between the elbow pipe and the drain pipe, so that the accumulated water in the drain pipe can flow to the elbow pipe through the hose and be discharged from the elbow pipe. The elbow pipe is attached to the eaves of the window sill, and the opening faces downward, further avoiding the problem of rainwater backflow. The hose can be stretched and retracted, so it can be applied to window sills of different widths, and has a wider application range. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a schematic view of the utility model;
[0019] Figure 2 It is a schematic view of the drain pipe section of the utility model;
[0020] Figure 3 It is a schematic view of the elbow pipe section of the utility model;
[0021] Figure 4 It is a schematic view of the utility model Figure 1 It is a schematic view of the utility model
[0022] In the figure: 1, the plug-in part; 2, the drain pipe; 3, the hose; 4, the elbow pipe; 5, the adhesive sticker; 6, the mosquito-proof assembly; 601, the partition; 602, the filter hole; 603, the pin shaft; 604, the elastic strip; 7, the first clamping block; 8, the snap ring; 9, the water flow hole; 10, the limiting strip; 11, the movable baffle; 12, the elastic sheet; 13, the movable slot; 14, the second clamping block; 15, the sealing strip. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0024] Please refer to Figures 1-4 A window frame drainage hole with anti-backflow function, including plug-in part 1, plug-in part 1 penetrates the outside frame of the window, the end face of plug-in part 1 is provided with drain pipe 2, plug-in part 1 is provided with water flow hole 9 in communication with drain pipe 2, the inner wall of drain pipe 2 is provided with movable baffle 11, the top of movable baffle 11 is rotatably connected with drain pipe 2 on both sides, the side of movable baffle 11 is provided with elastic sheet 12 connected with the inner wall of drain pipe 2, drain pipe 2 is provided with limiting strip 10 abutting with the inner side of movable baffle 11.
[0025] In the utility model, plug-in part 1 and movable baffle 11 are arranged, plug-in part 1 is connected with the window frame and penetrates the outside wall of the window frame, the accumulated water in the window frame flows into drain pipe 2 through water flow hole 9 in plug-in part 1, when the accumulated water flows from inside to outside, movable baffle 11 is pushed outward, so that the accumulated water flows out smoothly, when the rainwater backflows, it flows from outside to inside, at this time, limiting strip 10 supports movable baffle 11, so that it cannot be rotated and opened, thereby blocking the path of rainwater backflow, solving the problem of rainwater backflow, avoiding the window from leaking due to rainwater backflow.
[0026] First clamping block 7 is arranged on drain pipe 2, the side of plug-in part 1 is provided with snap ring 8, snap ring 8 is connected with first clamping block 7.
[0027] First clamping block 7 can be connected with snap ring 8 by arranging first clamping block 7 and snap ring 8, so that drain pipe 2 and plug-in part 1 can be combined and disassembled, suitable specifications of plug-in part 1 can be used according to the size of the original hole of the window frame, so that the application range is wider.
[0028] The two sides of the end face of plug-in part 1 are provided with movable slot 13, movable slot 13 is provided with second clamping block 14 abutting with the inner side of the window frame, sealing strip 15 is arranged between second clamping block 14 and movable slot 13.
[0029] Through setting the second clamping block 14 and the sealing strip 15, for some window frames that have completed the opening of holes, the plug-in part 1 can be directly inserted into the hole, the plug-in part 1 is clamped in the inside of the hole by the second clamping block 14, so as to be connected with the window frame, the movable slot 13 can make the two sides of the second clamping block 14 and the plug-in part 1 be arranged separately, so that the second clamping block 14 has sufficient activity space, and the sealing strip 15 can fill and seal the gap between the second clamping block 14 and the movable slot 13, while not affecting the activity of the second clamping block 14, the sealing effect is guaranteed.
[0030] The end surface of the drain pipe 2 is provided with an extensible hose 3, the end surface of the hose 3 is provided with a bent pipe 4, and the bent pipe 4 is attached to the eaves opening of the window;
[0031] Through setting the hose 3 and the bent pipe 4, the hose 3 can be connected between the bent pipe 4 and the drain pipe 2, so that the accumulated water in the drain pipe 2 can flow to the bent pipe 4 through the hose 3 and be discharged by the bent pipe 4, the bent pipe 4 is attached to the eaves opening of the window sill, and the opening faces downward, further avoiding the problem of rainwater backflow, and the hose 3 can be applied to window sills of different widths due to its extensible property, so that the application range is wider.
[0032] The bent pipe 4 is provided with a glue sticker 5 below, and the glue sticker 5 is adhered to the window sill;
[0033] Through setting the glue sticker 5, the bent pipe 4 can be directly adhered and fixed to the eaves opening of the window sill by the glue sticker 5, so as to avoid the problem of shaking or falling of the bent pipe 4 caused by air flow, and ensure that the bent pipe 4 can stably perform the drainage work.
[0034] The bent pipe 4 is provided with an anti-mosquito component 6, and the anti-mosquito component 6 is used for preventing insects from entering the drain pipe 2, the anti-mosquito component 6 comprises a partition plate 601 arranged in the bent pipe 4, and the partition plate 601 is provided with a filter hole 602;
[0035] Through setting the partition plate 601 and the filter hole 602, the partition plate 601 can close the bent pipe 4, so as to avoid insects entering the window frame through the bent pipe 4, and the filter hole 602 can make the accumulated water in the bent pipe 4 flow out smoothly, so as to avoid affecting the drainage work.
[0036] The side surface of the partition plate 601 is provided with a pin shaft 603, the partition plate 601 is rotationally connected with the bent pipe 4 through the pin shaft 603, and the partition plate 601 is provided with an elastic strip 604 connected with the bent pipe 4;
[0037] By setting the pin shaft 603 and the elastic strip 604, the pin shaft 603 can make the baffle 601 rotate with the bent pipe 4, and the elastic strip 604 can make the baffle keep in a specific position in normal state, and the dust in the window frame can gradually block the filter holes 602 after long-term use, so that the drainage efficiency of the filter holes 602 is reduced, when the drainage efficiency of the filter holes 602 is less than the water accumulation flow, the water accumulation can be gradually accumulated in the bent pipe 4, when the quality of the water accumulation exceeds the elastic force of the elastic strip 604, the water accumulation can push the baffle 601 away, so that the bent pipe 4 is opened, and the blocked dust is washed away.
[0038] Working principle: when rainwater flows from inside to outside, the movable baffle 11 is pushed outward to rotate, so that the movable baffle 11 is unfolded, and rainwater flows out through the drain pipe 2; when rainwater flows from outside to inside, the movable baffle 11 is pushed inward to rotate by the water flow, at this time, the limiting strip 10 is attached to the movable baffle 11, so that the movable baffle 11 cannot rotate inward, and the movable baffle 11 cannot be unfolded, so that the rainwater outside is blocked, and the purpose of preventing rainwater from flowing backward is achieved.
[0039] The above is only a specific embodiment of the present application, but the technical features of the present application are not limited to this. Any simple change, equivalent replacement or modification made on the basis of the present application to solve the same technical problem and achieve the same technical effect is also covered by the protection scope of the present application.
Claims
1. A window frame drain hole with anti-backflow function, comprising a plug (1), characterized in that: The plug-in part (1) penetrates the outer frame of the window, the end face of the plug-in part (1) is provided with a drain pipe (2), the plug-in part (1) is provided with a water flow hole (9) communicated with the drain pipe (2), the inner wall of the drain pipe (2) is provided with a movable baffle (11), the top of the movable baffle (11) is rotatably connected with the drain pipe (2), the side of the movable baffle (11) is provided with a spring sheet (12) connected with the inner wall of the drain pipe (2), the drain pipe (2) is provided with a limiting strip (10) abutting with the inner side of the movable baffle (11).
2. The window frame drain according to claim 1, wherein: The drain pipe (2) is provided with a first clamping block (7), the side of the plug-in part (1) is provided with a clamping ring (8), and the clamping ring (8) is connected with the first clamping block (7).
3. The window frame drain according to claim 1, wherein: The two sides of the end face of the plug-in part (1) are provided with movable grooves (13), the movable grooves (13) are provided with second clamping blocks (14) clamped with the inner side of the window frame, and sealing strips (15) are arranged between the second clamping blocks (14) and the movable grooves (13).
4. The window frame drain of claim 1, wherein: The end face of the drain pipe (2) is provided with an extensible hose (3), the end face of the hose (3) is provided with a bent pipe (4), and the bent pipe (4) abuts against the outer eaves of the window.
5. The window frame drain according to claim 4, wherein: The bent pipe (4) is provided with a glue sticker (5) below, and the glue sticker (5) is adhered to the window sill.
6. The window frame drain according to claim 4, wherein: The bent pipe (4) is provided with a mosquito-proof assembly (6) inside, and the mosquito-proof assembly (6) is used for preventing insects from entering the drain pipe (2).
7. The window frame drain according to claim 6, wherein: The mosquito-proof assembly (6) comprises a partition plate (601) arranged in the bent pipe (4), and the partition plate (601) is provided with a filter hole (602).
8. The window frame drain according to claim 7, wherein: The side of the partition plate (601) is provided with a pin shaft (603), the partition plate (601) is rotatably connected with the bent pipe (4) through the pin shaft (603), and the partition plate (601) is provided with a spring strip (604) connected with the bent pipe (4). The side of the partition plate (601) is provided with a pin shaft (603), the partition plate (601) is rotatably connected with the bent pipe (4) through the pin shaft (603), and the partition plate (601) is provided with a spring strip (604) connected with the bent pipe (4).