Guiding device for outdoor accumulated water of windowsill
By designing an outdoor water accumulation diversion device for window sills including right-angle vertical plates, seepage plates, diversion partitions, water diversion plates and diversion chutes, the problem of water accumulation at the corners of metal window sills is solved, and efficient seepage and diversion of rainwater is achieved, enhancing the diversion effect and preventing water accumulation.
Patent Information
- Application Number
- CN202422004770.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-19
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-08-19
AI Technical Summary
In the prior art, water accumulation is prone to occur at the corners of metal window sills outdoors due to poor flow diversion.
Design a drainage device for outdoor water accumulation in windowsills, including right-angle vertical plates, seepage plates, diversion partitions, water diversion plates and diversion chutes. The sliding clamping assembly ensures that the water seepage plate and the right-angle vertical plate fit into the corner of the window sill wall. The rainwater is absorbed and oozed through the water seepage plate, and flows outwardly downward along the diversion chute to the water diversion plate. The diversion partition and water barrier form a Y-shaped diversion chute, converging and leading to the accumulated water.
The problem of water accumulation at the corners of the windowsill is effectively solved. By optimizing the seepage and diversion of rainwater, the accumulation of rainwater at the corners of the windowsill is reduced, the outward diversion effect of rainwater is enhanced, and the rainwater is prevented from entering the gap between the wall and the diversion device.
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Figure CN223018518U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building construction, in particular to a diversion device for outdoor water accumulation on window sills. Background Art
[0002] Outdoor water accumulation on window sills is a common problem. Water is likely to accumulate at the corners under the metal window sill board on rainy days. The reason may be that the slope at the outdoor corners of the window sill is insufficient, resulting in the rainwater being unable to flow out smoothly and accumulating at the corners, which affects the use experience of the metal window sill.
[0003] Although the existing outdoor diversion structures of window sills can divert rainwater outward to a certain extent, they are also likely to divert the rainwater from one corner to another corner, and there is still the problem of outdoor water accumulation on window sills. Therefore, it is necessary to provide a diversion device for outdoor water accumulation on window sills, which can solve the problem of easy water accumulation at the outdoor corners of metal window sills due to poor diversion in the prior art. Summary of the Invention
[0004] The purpose of the utility model is to provide a diversion device for outdoor water accumulation on window sills, which can solve the problem of easy water accumulation at the outdoor corners of metal window sills due to poor diversion in the prior art.
[0005] The utility model is implemented as follows:
[0006] A diversion device for outdoor water accumulation on window sills includes a right-angled vertical plate, a water-permeable plate, diversion partition plates, a water diversion plate, and a diversion chute; the right-angled vertical plate is in an L-shaped structure and is attached to the wall corner of the window sill wall, the water-permeable plate is in an L-shaped structure and is attached to the wall corner of the window sill wall, the water-permeable plate is installed on the top of the right-angled vertical plate, and a diversion chute is convexly provided outward at the connection between the water-permeable plate and the right-angled vertical plate, and the top surface of the diversion chute extends obliquely downward and outward; the water diversion plate is arranged on the window sill surface of the window sill wall corner, and the water diversion plate is matched and attached to the bottom of the right-angled vertical plate and the corner of the window sill wall; several diversion partition plates are arranged on the water diversion plate, and the several diversion partition plates extend from the right-angled vertical plate to the outside of the window sill wall corner.
[0007] An L-shaped support frame is provided at the wall corner of the window sill wall, and a sliding clamping assembly is installed at the bottom of the support frame, and the sliding clamping assembly presses the top of the water-permeable plate tightly against the wall of the window sill wall.
[0008] The sliding clamping assembly includes a first sliding clamping plate and a second sliding clamping plate. The first sliding clamping plate and the second sliding clamping plate are movably connected to form an L-shaped structure. The tops of the first sliding clamping plate and the second sliding clamping plate are slidably arranged at the bottom of the support frame, and the bottoms of the first sliding clamping plate and the second sliding clamping plate press the top of the water-permeable plate tightly against the wall of the window sill wall.
[0009] A first threaded slider is provided at the top of the second sliding clamping plate. A first threaded rod is rotatably installed in the support frame. The first threaded slider is rotationally connected to the first threaded rod through a threaded through-hole. The first threaded rod is perpendicular to the wall surface on one side of the corner and the second sliding clamping plate, so that the second sliding clamping plate can slide and fit on the wall surface on one side of the corner and press one side top of the water seepage plate against the wall surface. The first sliding clamping plate is slidably connected to one end of the second sliding clamping plate near the corner of the window sill and the wall corner. A first sliding groove for slidably installing the first threaded slider is formed in the support frame.
[0010] A second threaded slider is provided at one end of the first sliding clamping plate near the corner of the window sill and the wall corner. A second threaded rod is rotatably passed through the second sliding clamping plate. The second threaded slider is rotationally connected to the second threaded rod through a threaded through-hole in a matching manner. The second threaded rod is perpendicular to the wall surface on the other side of the corner and the first sliding clamping plate, so that the first sliding clamping plate can slide and fit on the wall surface on the other side of the corner and press the other side top of the water seepage plate against the wall surface. A second sliding groove for slidably installing the second threaded slider is provided in the second sliding clamping plate.
[0011] Mounting plates are respectively provided at both ends of the support frame. The mounting plates are fixed on the wall surface at the corner of the window sill and the wall corner, so that the support frame is arranged to fit the corner of the window sill and the wall corner.
[0012] One end of the water diversion plate near the wall surface on one side of the window sill and the wall corner is in a folded angle structure, so that there is a gap between one end of the water diversion plate and the wall surface on one side of the window sill and the wall corner. The diversion partition plate is in a folded angle structure, so that one of the diversion partition plates is arranged along the edge of the water diversion plate.
[0013] A plurality of water retaining plates are provided at intervals on the water diversion plate. The plurality of water retaining plates are respectively arranged at intervals beside a plurality of diversion partition plates, so that the plurality of water retaining plates and the plurality of diversion partition plates form a Y-shaped diversion groove on the water diversion plate.
[0014] Compared with the prior art, the utility model has the following beneficial effects:
[0015] 1. Since the utility model is provided with a sliding clamping assembly, the water seepage plate is pressed by the first sliding clamping plate and the second sliding clamping plate under the adjustment of screw rotation, ensuring that the water seepage plate and the right-angle vertical plate are arranged to fit the two wall surfaces of the window sill and the wall corner, which is beneficial to guiding rainwater onto the water diversion plate, ensuring the rainwater seepage and diversion effects, and facilitating the rapid discharge of accumulated water.
[0016] 2. Since the utility model is provided with a water seepage plate and an inclined groove, rainwater is absorbed by the water seepage plate and seeps out after the water seepage plate is saturated, so that the rainwater seeps downward under the action of gravity and flows outward and downward along the inclined groove onto the water diversion plate, thereby reducing the accumulation of rainwater at the corner of the window sill and the wall corner, being able to strengthen the outward diversion effect of rainwater, and preventing rainwater from entering the gap between the wall surface and the diversion device.
[0017] 3. The utility model is provided with guide baffles and water retaining plates. A plurality of guide baffles and a plurality of water retaining plates form a Y-shaped guide groove, which is conducive to the drainage of accumulated water after confluence, thereby preventing rainwater from flowing to the corner on the other side of the window sill, thereby improving the problem of rainwater accumulation at the corner of the window sill. The structure is simple and the disassembly and assembly are convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a three-dimensional diagram of the diversion device for outdoor water accumulation on the window sill of the utility model;
[0019] Figure 2 It is a three-dimensional diagram of the right-angle vertical plate, the water seepage plate and the water diversion plate in the diversion device for outdoor water accumulation on the window sill of the utility model;
[0020] Figure 3 It is a three-dimensional diagram of a support frame and a sliding clamping assembly in a diversion device for outdoor water accumulation on a window sill of the utility model;
[0021] Figure 4 It is a schematic diagram of the installation of the first threaded rod in the diversion device for outdoor water accumulation on the window sill of the utility model;
[0022] Figure 5 The utility model is a schematic diagram of the installation of the second threaded rod in the diversion device for outdoor water accumulation on the window sill.
[0023] In the figure, 1, window sill corner; 2, right-angle vertical plate; 3, mounting plate; 4, first sliding clamping plate; 5, supporting frame; 6, first threaded rod; 7, second sliding clamping plate; 8, second threaded rod; 9, seepage plate; 10, guide baffle; 11, water diversion plate; 12, water retaining plate; 13, inclined groove; 14, first threaded slider; 15, second threaded slider. DETAILED DESCRIPTION
[0024] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments.
[0025] Please see attached Figure 1 and attached Figure 2, A diversion device for outdoor water accumulation on the windowsill, including a right-angled vertical plate 2, a water-permeable plate 9, a diversion partition 10, a water diversion plate 11 and a diversion chute 13; the right-angled vertical plate 2 is in an L-shaped structure and is fitted on the wall corner of the windowsill corner 1, the water-permeable plate 9 is in an L-shaped structure and is fitted on the wall corner of the windowsill corner 1, the water-permeable plate 9 is installed on the top of the right-angled vertical plate 2, and a diversion chute 13 is convexly provided outward at the connection between the water-permeable plate 9 and the right-angled vertical plate 2, and the top surface of the diversion chute 13 extends obliquely downward and outward; the water diversion plate 11 is arranged on the windowsill surface of the windowsill corner 1, and the water diversion plate 11 is fitted and connected with the bottom of the right-angled vertical plate 2 and the corner of the windowsill corner 1 in a matching manner; a plurality of diversion partitions 10 are arranged on the water diversion plate 11, and the plurality of diversion partitions 10 extend from the right-angled vertical plate 2 to the outside of the windowsill corner 1.
[0026] Preferably, the water-permeable plate 9 can be made of a material such as sponge with water absorption, water permeability and quick-drying characteristics. During the downward flow of rainwater, the water-permeable plate 9 absorbs water. When the water-permeable plate 9 is saturated, the rainwater seeps out downward by the gravity of the rainwater, and the rainwater seeps out downward and outward through the diversion chute 13 onto the water diversion plate 11, avoiding the lateral flow of rainwater and being beneficial to achieving a better diversion effect.
[0027] Preferably, the cross-section of the diversion chute 13 can adopt a triangular structure, so that it has a good diversion effect on the seeping rainwater.
[0028] The right-angled vertical plate 2 and the water diversion plate 11 are connected to form a corner structure matching the windowsill corner 1, and can be fitted and installed on the two side walls and the windowsill surface at the corner of the windowsill corner 1, thus avoiding water accumulation at the corner of the windowsill corner 1. After the water flows downward onto the water diversion plate 11, the water is diverted to the outer end of the windowsill surface through a plurality of diversion partitions 10, avoiding water accumulation on the windowsill surface.
[0029] Preferably, the number, spacing, arrangement direction, etc. of the diversion partitions 10 can be determined according to the actual diversion effect. The top surface of the water diversion plate 11 can be made into a slope at a certain angle according to the actual diversion effect. The water diversion plate 11 can be processed and formed in the factory. Compared with constructing a slope on the windowsill surface, its construction is simpler.
[0030] Please refer to Appendix Figure 1 、Appendix Figure 3 to Appendix Figure 5 , an L-shaped support frame 5 is provided at the wall corner of the windowsill corner 1, and a sliding clamping assembly is installed at the bottom of the support frame 5, and the sliding clamping assembly presses and fits the top of the water-permeable plate 9 against the wall surface of the windowsill corner 1.
[0031] The top surface of the support frame 5 can be made into a slope at a certain angle according to the diversion requirement, so as to play a role in diversion, divert rainwater and other water flows above the water diversion plate 11, and reduce water accumulation at the corner of the windowsill corner 1.
[0032] Meanwhile, the sliding clamping assembly at the bottom of the support frame 5 presses the top of the water seepage plate 9 tightly against the wall surface of the window sill corner 1, ensuring the stable installation of the water seepage plate 9 without falling off; the pressing degree of the water seepage plate 9 should be such that when rainwater seeps into the gap between the wall surface and the support frame 5, it can be absorbed by the water seepage plate 9 and then flow downward.
[0033] Please refer to the appendix Figure 4 and the appendix Figure 5 , the sliding clamping assembly includes a first sliding clamping plate 4 and a second sliding clamping plate 7. The first sliding clamping plate 4 and the second sliding clamping plate 7 are movably connected to form an L-shaped structure. The tops of the first sliding clamping plate 4 and the second sliding clamping plate 7 are slidably arranged at the bottom of the support frame 5, and the bottoms of the first sliding clamping plate 4 and the second sliding clamping plate 7 press the top of the water seepage plate 9 tightly against the wall surface of the window sill corner 1.
[0034] The first sliding clamping plate 4 and the second sliding clamping plate 7 are respectively arranged along the two side wall surfaces of the corner of the window sill corner 1, which is convenient for pressing and fixing the top of the water seepage plate 9.
[0035] Please refer to the appendix Figure 4 , a first threaded slider 14 is provided at the top of the second sliding clamping plate 7. A first threaded rod 6 is rotatably installed in the support frame 5 through a bearing. The first threaded slider 14 is screwed to the first threaded rod 6 through a threaded through hole; the first threaded rod 6 is perpendicular to the wall surface on one side of the corner and the second sliding clamping plate 7, so that the second sliding clamping plate 7 can slide and fit against the wall surface on one side of the corner and press the top of one side of the water seepage plate 9 against the wall surface; the first sliding clamping plate 4 is slidably connected to one end of the second sliding clamping plate 7 close to the corner of the window sill corner 1; a first chute for the first threaded slider 14 to slide and be installed is formed in the support frame 5.
[0036] A slot is opened inside the support frame 5 for the rotational installation of the first threaded rod 6. Since the first threaded slider 14 is installed in the first chute and can only make linear sliding, the rotation of the second sliding clamping plate 7 is restricted, thereby converting the threaded transmission between the first threaded rod 6 and the first threaded slider 14 into a linear motion of the second sliding clamping plate 7 along the axial direction of the first threaded rod 6, so that the second sliding clamping plate 7 slides close to the wall surface and presses the water seepage plate 9 tightly or the second sliding clamping plate 7 slides away from the wall surface and releases the water seepage plate 9, which is convenient for the installation and replacement of the water seepage plate 9.
[0037] Please refer to the appendix Figure 5, one end of the first sliding clamping plate 4 near the corner of the window sill corner 1 is provided with a second threaded slider 15. A second threaded rod 8 is rotatably penetrated through the second sliding clamping plate 7 through a rotating bearing. The second threaded slider 15 is rotationally connected to the second threaded rod 8 through a threaded through hole. The second threaded rod 8 is perpendicular to the wall surface on the other side of the corner and the first sliding clamping plate 4, so that the first sliding clamping plate 4 can slide and fit on the wall surface on the other side of the corner and press the other side top of the water seepage plate 9 against the wall surface. A second chute for the second threaded slider 15 to slide and be installed is provided in the second sliding clamping plate 7.
[0038] A slot is opened inside the second sliding clamping plate 7 for the rotational installation of the second threaded rod 8. Since the second threaded slider 15 is installed in the second chute and can only perform linear sliding, the rotation of the first sliding clamping plate 4 is restricted, thereby converting the threaded transmission between the second threaded rod 8 and the second threaded slider 15 into a linear motion of the first sliding clamping plate 4 along the axial direction of the second threaded rod 8. Thus, the first sliding clamping plate 4 slides close to the wall surface and presses the water seepage plate 9, or the first sliding clamping plate 4 slides away from the wall surface and releases the water seepage plate 9, facilitating the installation and replacement of the water seepage plate 9.
[0039] Please refer to Appendix Figure 1 , Appendix Figure 3 and Appendix Figure 4 , both ends of the support frame 5 are respectively provided with mounting plates 3. The mounting plates 3 are fixed to the wall surface at the corner of the window sill corner 1 through bolts, so that the support frame 5 is arranged to fit the corner of the window sill corner 1.
[0040] The mounting plate 3 can be integrally formed with the support frame 5. Two screw holes are reserved on the mounting plate 3, facilitating the convenient disassembly and assembly of the support frame 5 on the wall surface at the corner of the window sill corner 1.
[0041] Please refer to Appendix Figure 1 and Appendix Figure 2 , one end of the water diversion plate 11 close to one side wall surface of the window sill corner 1 is in a folded angle structure, so that there is a gap between one end of the water diversion plate 11 and one side wall surface of the window sill corner 1. The diversion partition 10 is in a folded angle structure, and one of the diversion partitions 10 is arranged along the edge of the water diversion plate 11.
[0042] The gap between one of the diversion partitions 10 and the water diversion plate 11 and one side wall surface of the window sill corner 1 can be used to accumulate water flow and utilize the slope of the window sill surface itself to divert the water outward, and can prevent the water flow from accumulating and flowing towards the corner on the other side of the window sill, thus being beneficial to improving the water accumulation problem at the window sill corner 1.
[0043] The folded angle of the diversion partition 10 and the water diversion plate 11 can be adaptively set according to actual diversion and installation requirements.
[0044] Please refer to Appendix Figure 1 and AppendixFigure 2 On the water diversion plate 11, a plurality of water baffle plates 12 are arranged at intervals. The plurality of water baffle plates 12 are respectively arranged at intervals beside several diversion partition plates 10, so that the plurality of water baffle plates 12 and the several diversion partition plates 10 form a Y-shaped diversion groove on the water diversion plate 11.
[0045] The water baffle plate 12 can include a plurality of long straight plate bodies and a plate body with a fold angle. The fold angle of the diversion partition plate 10 serves as one side of the Y-shaped diversion groove, and the plate body with a fold angle serves as the other side of the Y-shaped diversion groove, thereby forming a Y-shaped diversion groove, and then the Y-shaped structure can be used to play the role of confluence and diversion.
[0046] The plurality of long straight plate bodies can be arranged inside and outside the Y-shaped diversion groove. The arrangement position and the number of the long straight plate bodies can be adaptively set according to the diversion requirements, and they are arranged on the principle of diverting the water flow to the outer end of the water diversion plate 11 and restricting the water flow from flowing to the other corner of the window sill.
[0047] Please refer to Appendix Figure 1 to Appendix Figure 5 , the installation method and working principle of the present utility model are as follows:
[0048] One corner of the water diversion plate 11 is attached to the corner of the window sill wall corner 1 and fixedly installed on the window sill surface of the window sill wall corner 1. The right-angled vertical plate 2 is attached to the corner of the window sill wall corner 1. The bottom of the right-angled vertical plate 2 is connected to the water diversion plate 11, and the two side surfaces of the right-angled vertical plate 2 are respectively attached and fixed to the two side walls at the corner of the window sill wall corner 1.
[0049] The diversion partition plates 10 and the water baffle plates 12 are arranged on the water diversion plate 11. A Y-shaped diversion groove is formed between the diversion partition plates 10 and the water baffle plates 12. The diversion groove extends from the corner of the combined window sill wall corner 1 to the outside of the window sill surface, playing the role of confluence and diversion. The L-shaped diversion chute 13 and the water seepage plate 9 are sequentially installed at the top of the right-angled vertical plate 2; both the diversion chute 13 and the water seepage plate 9 are arranged along the two side walls at the corner of the window sill wall corner 1.
[0050] The support frame 5 is fixedly installed on the two side walls at the corner of the window sill wall corner 1 through the mounting plate 3 by bolts. The support frame 5 is arranged close to the two side walls at the corner of the window sill wall corner 1. Rotate the first threaded rod 6. Under the threaded transmission cooperation between the first threaded rod 6 and the first threaded slider 14, the second sliding clamping plate 7 slides towards one side wall at the corner of the window sill wall corner 1, so as to press one side top of the water seepage plate 9 against the wall. Rotate the second threaded rod 8. Under the threaded transmission cooperation between the second threaded rod 8 and the second threaded slider 15, the first sliding clamping plate 4 slides towards the other side wall at the corner of the window sill wall corner 1, so as to press the other side top of the water seepage plate 9 against the wall.
[0051] The above are only the preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Therefore, any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A diversion device for outdoor water accumulation on a windowsill, characterized by: Including right angle The invention relates to a vertical plate (2), a water seepage plate (9), a guide baffle (10), a water diversion plate (11) and a guide chute (13); the right-angle vertical plate (2) is in an L-shaped structure and is arranged at the corner of the wall of the window sill corner (1); the water seepage plate (9) is in an L-shaped structure and is arranged at the corner of the wall of the window sill corner (1); the water seepage plate (9) is installed on the top of the right-angle vertical plate (2); and the connection between the water seepage plate (9) and the right-angle vertical plate (2) is protruding outward. A diversion chute (13) is provided, the top surface of which extends outwardly and downwardly in an inclined manner; a water diversion plate (11) is arranged on the window sill surface of the window sill corner (1), and the water diversion plate (11) is matched and fitted with the bottom of the right-angled vertical plate (2) and the corner of the window sill corner (1); a plurality of diversion baffles (10) are arranged on the water diversion plate (11), and the plurality of diversion baffles (10) extend from the right-angled vertical plate (2) to the outside of the window sill corner (1).
2. The window sill outdoor water diversion device according to claim 1 is characterized by: An L-shaped support frame (5) is provided at the corner of the wall of the window sill corner (1), and a sliding clamping assembly is installed at the bottom of the support frame (5). The sliding clamping assembly presses the top of the seepage plate (9) tightly against the wall of the window sill corner (1).
3. The window sill outdoor water diversion device according to claim 2 is characterized by: The sliding clamping assembly comprises a first sliding clamping plate (4) and a second sliding clamping plate (7), the first sliding clamping plate (4) and the second sliding clamping plate (7) are movably connected to form an L-shaped structure, the top of the first sliding clamping plate (4) and the second sliding clamping plate (7) are slidably arranged on the bottom of the support frame (5), and the bottom of the first sliding clamping plate (4) and the second sliding clamping plate (7) presses the top of the seepage plate (9) against the wall surface of the window sill corner (1).
4. The window sill outdoor water diversion device according to claim 3 is characterized by: The top of the second sliding clamping plate (7) is provided with a first threaded slider (14), and the support frame (5) is rotatably embedded with a first threaded rod (6), and the first threaded slider (14) is rotationally connected to the first threaded rod (6) through a threaded through hole; the first threaded rod (6) is arranged perpendicular to the wall surface on one side of the corner and the second sliding clamping plate (7), so that the second sliding clamping plate (7) can slide and fit on the wall surface on one side of the corner and press the top of one side of the seepage plate (9) against the wall surface; the first sliding clamping plate (4) is slidably connected to one end of the second sliding clamping plate (7) near the corner of the window sill wall corner (1); a first sliding groove for slidingly embedding the first threaded slider (14) is formed in the support frame (5).
5. The window sill outdoor water diversion device according to claim 4 is characterized by: A second threaded slider (15) is provided at one end of the first sliding clamping plate (4) near the corner of the window sill wall corner (1); a second threaded rod (8) is rotatably penetrated in the second sliding clamping plate (7); the second threaded slider (15) is screwed on the second threaded rod (8) through a threaded through hole; the second threaded rod (8) is arranged perpendicular to the wall surface on the other side of the corner and the first sliding clamping plate (4), so that the first sliding clamping plate (4) can slide and fit on the wall surface on the other side of the corner and press the other side top of the seepage plate (9) against the wall surface; a second sliding groove is provided in the second sliding clamping plate (7) for the second threaded slider (15) to be slidably embedded.
6. The window sill outdoor water diversion device according to any one of claims 2 to 4, characterized in that: The two ends of the support frame (5) are respectively provided with mounting plates (3), and the mounting plates (3) are fixed on the wall surface at the corner of the window sill corner (1), so that the support frame (5) is arranged in close contact with the corner of the window sill corner (1).
7. The window sill outdoor water diversion device according to claim 1 is characterized by: The water guide plate (11) has an angled structure at one end of the wall surface on one side of the window sill corner (1), so that a gap is left between one end of the water guide plate (11) and the wall surface on one side of the window sill corner (1), and the guide baffle (10) has an angled structure, so that one of the guide baffles (10) is arranged along the edge of the water guide plate (11).
8. The window sill outdoor water diversion device according to claim 7 is characterized by: The water guide plate (11) is provided with a plurality of water baffles (12) at intervals, and the plurality of water baffles (12) are arranged at intervals beside a plurality of guide baffles (10), so that the plurality of water baffles (12) and the plurality of guide baffles (10) form a Y-shaped guide groove on the water guide plate (11).