Exterior wall drainage structure

By designing an external wall drainage structure and utilizing a combination of supports, rotating rods, and sliding rods, rainwater can be effectively blocked in the event of heavy rainfall, solving the problem of water overflowing from the bottom edge of the window frame and keeping the interior dry and aesthetically pleasing.

CN118622136BActive Publication Date: 2026-05-12NINGBO WANTAI CONSTR ENG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NINGBO WANTAI CONSTR ENG CO LTD
Filing Date
2024-07-08
Publication Date
2026-05-12

AI Technical Summary

Technical Problem

In cases of heavy rainfall, water may accumulate in the grooves at the bottom edge of the window frame and fail to drain in time, causing it to overflow and flow into the room, affecting the indoor environment.

Method used

Design an external wall drainage structure, including a bracket, a rotating rod, a sliding rod, and a water-blocking plate. The water-blocking plate is unfolded by pulling the sliding rod to block rainwater. The water-blocking plate is rolled up after the rain decreases or stops, without affecting lighting and sight.

Benefits of technology

It effectively blocks rainwater during heavy rainfall to prevent overflow, and automatically retracts after the rain subsides to keep the interior dry and aesthetically pleasing.

✦ Generated by Eureka AI based on patent content.

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    Figure CN118622136B_ABST
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Abstract

The application relates to the field of building drainage, and a kind of outer wall drainage structure comprising a support, a rotating rod, a sliding rod and a water baffle, the support is used to be connected to an outer wall, the rotating rod is rotationally connected to the support around its own axis, the sliding rod is parallel to the rotating rod, the sliding rod is slidingly connected to the support, the sliding direction of the sliding rod is perpendicular to the axis of the rotating rod, one end of the water baffle is connected to the rotating rod, the water baffle is wound out of the rotating rod, and the other end of the water baffle is connected to the sliding rod. The support is installed to the window sill position of the outer wall; in rainy days, especially in the case of heavy rainfall, pull the sliding rod to unfold the water baffle, and make the water baffle shield the lower edge of the window frame or the whole window body, the water baffle blocks part or all of the rainwater falling to the lower edge of the window frame; after the rain intensity becomes small or stops raining, rotate the rotating rod to wind the water baffle, without affecting lighting and line of sight.
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Description

Technical Field

[0001] This application relates to the field of building drainage, and in particular to an external wall drainage structure. Background Technology

[0002] The exterior wall is an important wall structure of a building, which has functions such as bearing a certain load, sheltering from wind and rain, heat insulation, noise prevention, and fire safety.

[0003] Windows (including window frames and sashes) will be installed on the exterior walls to increase indoor lighting and allow people inside to enjoy the outdoor scenery.

[0004] On rainy days, rainwater falls into the grooves at the bottom edge of the window frame. In light rainfall, the water in these grooves can drain away through the window frame's drainage holes. However, in heavy rainfall (such as during typhoons), the drainage capacity of the holes is limited, causing water to overflow from the grooves and even flow into the room. Summary of the Invention

[0005] In order to reduce rainwater falling into the groove at the bottom edge of the window frame, this application provides an external wall drainage structure.

[0006] The external wall drainage structure provided in this application adopts the following technical solution:

[0007] An external wall drainage structure includes a bracket, a rotating rod, a sliding rod, and a water-blocking plate.

[0008] The bracket is used to connect to the exterior wall.

[0009] The rotating rod is rotatably connected to the bracket around its own axis.

[0010] The sliding rod is parallel to the rotating rod, slidably connected to the bracket, and its sliding direction is perpendicular to the axis of the rotating rod.

[0011] One end of the water-blocking plate is connected to the rotating rod, and the water-blocking plate is rolled up outside the rotating rod. The other end of the water-blocking plate is connected to the sliding rod.

[0012] By adopting the above technical solution, the bracket is installed at the window sill position on the exterior wall;

[0013] In rainy weather, especially when there is heavy rainfall, pull the sliding rod to deploy the water-blocking plate, which will block the lower edge of the window frame or the entire window. The water-blocking plate will block some or all of the rainwater falling on the lower edge of the window frame.

[0014] After the rain subsides or stops, rotate the lever to retract the water-blocking plate without affecting lighting or visibility.

[0015] Preferably, the rotating rod includes a rod shaft and a rod sleeve.

[0016] The rod shaft is connected to the bracket.

[0017] The sleeve is coaxially rotatably connected to the outside of the shaft, and there is sliding friction between the inner circumference of the sleeve and the outer circumference of the shaft.

[0018] The water-blocking plate is connected to the rod sleeve, and the water-blocking plate is rolled up to the outside of the rod sleeve.

[0019] By adopting the above technical solution, during the process of pulling the sliding rod to unfold the water-blocking plate, the friction between the inner circumference of the rod sleeve and the outer circumference of the rod shaft, as well as the force exerted by the sliding rod on the water-blocking plate, keep the water-blocking plate in a taut state, reducing wrinkles or bending of the water-blocking plate and facilitating the sliding of rainwater off the water-blocking plate.

[0020] Preferably, it also includes a winding reel and a pull rope.

[0021] The winding reel is rotatably connected to the bracket, and the axis of the winding reel is perpendicular to the sliding direction of the slide rod.

[0022] One end of the pull rope is connected to a winding reel, and the pull rope is wound outside the winding reel. The other end of the pull rope is connected to a sliding rod.

[0023] By adopting the above technical solution, in rainy weather, the winding wheel is rotated to wind up the pull rope, that is, the slide bar is pulled by pulling the rope; compared with reaching out to pull the slide bar directly, the solution of this application is not limited by the length of the arm, and it is convenient to use the water-blocking plate to cover the entire window.

[0024] Preferably, the winding reel includes an axle and a disc.

[0025] The axle is connected to the bracket.

[0026] The wheel is coaxially rotatably connected to the outside of the axle, and there is sliding friction between the inner circumference of the wheel and the outer circumference of the axle.

[0027] The pull rope is connected to the reel, and the pull rope is wound up outside the reel.

[0028] By adopting the above technical solution, during the process of rotating the lever to rewind the water-blocking plate, the force exerted by the water-blocking plate and the sliding rod on the pull rope, and the friction between the inner circumference of the wheel and the outer circumference of the wheel axle, keep the pull rope in a taut state.

[0029] Afterwards, when turning the reel to reel in the pull rope, the slide bar can be pulled immediately by pulling the rope to quickly use the water-blocking plate to cover the lower edge of the window frame or the entire window.

[0030] Preferably, it also includes a fixed pulley.

[0031] The fixed pulley is rotatably connected to the bracket, and the axis of the fixed pulley is perpendicular to the sliding direction of the slide rod. The other end of the pull rope passes over the fixed pulley and is connected to the slide rod.

[0032] The rotating rod includes a rod shaft and a rod sleeve.

[0033] The rod shaft is rotatably connected to the support, and the winding reel is coaxially connected to the rod shaft.

[0034] The sleeve is coaxially rotatably connected to the outside of the shaft, and there is sliding friction between the inner circumference of the sleeve and the outer circumference of the shaft.

[0035] The water-blocking plate is connected to the rod sleeve, and the water-blocking plate is rolled up to the outside of the rod sleeve.

[0036] By adopting the above technical solution, the rotating rod and the winding wheel are located in close proximity, which facilitates the operation of winding or unfolding the water baffle.

[0037] Preferably, it also includes a locking mechanism.

[0038] The winding reel includes an axle and a disc.

[0039] The wheel axle is coaxially connected to the rod axle.

[0040] The wheel is coaxially rotatably connected to the outside of the axle, and there is sliding friction between the inner circumference of the wheel and the outer circumference of the axle.

[0041] The pull rope is connected to the reel, and the pull rope is wound up outside the reel.

[0042] The locking mechanism is used to lock the wheel and axle, or the locking mechanism is used to lock the rod sleeve and axle.

[0043] By adopting the above technical solution, when it is necessary to unfold the water-blocking plate, the locking mechanism is used to lock the wheel and the wheel axle, and the wheel axle or rod axle is rotated to rewind the pull rope, which can then pull the slide rod; when it is necessary to rewind the water-blocking plate, the locking mechanism is used to lock the rod sleeve and the rod axle, and the wheel axle or rod axle is rotated to rewind the water-blocking plate.

[0044] Preferably, the locking mechanism includes a sliding sleeve and a locking block.

[0045] The sliding sleeve is slidably connected to the rod shaft, and the sliding sleeve and the rod shaft are circumferentially fixed.

[0046] The locking block is connected to the end of the sliding sleeve.

[0047] The end of the rod sleeve is provided with a rod groove, which is used for the insertion of the locking block.

[0048] By adopting the above technical solution, when the locking block is embedded in the rod groove, the rod sleeve and rod shaft are locked; when the locking block is disengaged from the groove, the inner circumference of the rod sleeve and the outer circumference of the rod shaft can slide and rub against each other.

[0049] Preferably, the locking mechanism includes a sliding sleeve and a locking block.

[0050] The sliding sleeve is slidably connected to the wheel axle, and the sliding sleeve is circumferentially fixed to the rod axle.

[0051] The locking block is connected to the end of the sliding sleeve.

[0052] The wheel has a groove at its end, which is used for inserting the card block.

[0053] By adopting the above technical solution, when the locking block is embedded in the wheel groove, the wheel and the wheel axle are locked; when the locking block is disengaged from the wheel groove, the inner circumference of the wheel and the outer circumference of the wheel axle can slide and rub against each other.

[0054] Preferably, the locking mechanism further includes a magnet and an electromagnet.

[0055] The magnet is connected to the sliding sleeve.

[0056] The electromagnet is connected to the bracket and is located on one side of the sliding sleeve along the axial direction of the rod. The electromagnet attracts or repels magnets through magnetic force.

[0057] By adopting the above technical solution, the direction of the current in the electromagnet is controlled to achieve magnetic attraction or repulsion of the magnet, thereby locking the disc and axle, or locking the sleeve and axle.

[0058] Preferably, it also includes a motor for driving the winding reel to rotate.

[0059] By adopting the above technical solution, the water-blocking plates can be automatically deployed.

[0060] In summary, this application includes at least one of the following beneficial technical effects:

[0061] 1. In rainy weather, especially when there is heavy rainfall, pull the sliding rod to deploy the water-blocking plate, so that the water-blocking plate can block the lower edge of the window frame or the entire window. The water-blocking plate blocks some or all of the rainwater falling on the lower edge of the window frame.

[0062] 2. After the rain subsides or stops, rotate the lever to retract the water-blocking plate without affecting lighting or visibility;

[0063] 3. During the process of pulling the sliding rod to unfold the water-blocking plate, the friction between the inner circumference of the rod sleeve and the outer circumference of the rod shaft, and the force exerted by the sliding rod on the water-blocking plate, keep the water-blocking plate in a taut state, reducing wrinkles or bending of the water-blocking plate and facilitating the sliding of rainwater on the water-blocking plate.

[0064] 4. During the process of rotating the lever to retract the water-blocking plate, the force exerted by the water-blocking plate and the sliding rod on the pull rope, as well as the friction between the inner circumference of the wheel and the outer circumference of the axle, keeps the pull rope taut. Subsequently, when rotating the winding wheel to retract the pull rope, the sliding rod can be pulled immediately by the pull rope to quickly use the water-blocking plate to cover the lower edge of the window frame or the entire window. Attached Figure Description

[0065] Figure 1 This is a schematic diagram of the external wall drainage structure in an embodiment of this application.

[0066] Figure 2 yes Figure 1 Enlarged view of point A in the middle.

[0067] Figure 3 yes Figure 1 Enlarged view of point B in the middle.

[0068] Explanation of reference numerals in the attached drawings: 1. Bracket; 11. Support rod; 2. Rotating rod; 21. Rod shaft; 22. Rod sleeve; 23. Rod groove; 3. Sliding rod; 4. Water baffle; 5. Winding reel; 51. Wheel axle; 52. Wheel disc; 53. Wheel groove; 6. Fixed pulley; 7. Pull rope; 8. Motor; 9. Locking mechanism; 91. Sliding sleeve; 92. Locking block; 93. Magnet; 94. Electromagnet. Detailed Implementation

[0069] The present application will be further described in detail below with reference to the accompanying drawings.

[0070] Reference Figure 1 This application discloses an external wall drainage structure, including a bracket 1, a rotating rod 2, a sliding rod 3, and a water-blocking plate 4.

[0071] Bracket 1 is used to connect to the exterior wall.

[0072] In this embodiment: the bracket 1 includes two support rods 11 arranged side by side.

[0073] Reference Figure 1 and Figure 2 The rotating rod 2 includes a rod shaft 21 and a rod sleeve 22.

[0074] The rod shaft 21 is rotatably connected to the bracket 1 around its own axis. The rod sleeve 22 is coaxially rotatably connected to the outside of the rod shaft 21, and there is sliding friction between the inner circumference of the rod sleeve 22 and the outer circumference of the rod shaft 21. The rod sleeve 22 and the rod shaft 21 are axially fixed.

[0075] In this embodiment: the axis of the rod shaft 21 is perpendicular to the support rod 11; the rod sleeve 22 is located between the two support rods 11.

[0076] The slide rod 3 is parallel to the rod axis 21. The slide rod 3 is slidably connected to the bracket 1, and the sliding direction of the slide rod 3 is perpendicular to the axis of the rotating rod 2.

[0077] In this embodiment: a groove is provided on the surface of any support rod 11 facing another support rod 11; the extension direction of the groove is parallel to the support rod 11; the end of the slide rod 3 is slidably embedded in the groove.

[0078] One end of the water-blocking plate 4 is fixedly connected to the rod sleeve 22, and the water-blocking plate 4 is rolled up to the outside of the rod sleeve 22; the other end of the water-blocking plate 4 is fixedly connected to the sliding rod 3.

[0079] Reference Figure 1 The external wall drainage structure also includes a retractor 5, a fixed pulley 6, and a pull rope 7.

[0080] The winding reel 5 includes axle 51 and disc 52.

[0081] Axle 51 is rotatably connected to bracket 1 and coaxially fixedly connected to shaft 21. A disc 52 is coaxially rotatably connected to the outside of axle 51, and there is sliding friction between the inner circumference of disc 52 and the outer circumference of axle 51. Disc 52 and axle 51 are axially fixed.

[0082] The fixed pulley 6 is rotatably connected to the bracket 1, and the axis of the fixed pulley 6 is perpendicular to the sliding direction of the slide rod 3.

[0083] One end of the pull rope 7 is fixedly connected to the wheel 52, and the pull rope 7 is wound outside the wheel 52; the other end of the pull rope 7 passes over the fixed pulley 6 and is fixedly connected to the slide bar 3.

[0084] In this embodiment: there are two fixed pulleys 6, and the two fixed pulleys 6 correspond one-to-one with the two support rods 11. The wheel axle 51 and the fixed pulleys 6 are located on both sides of the slide rod 3 respectively; there are also two winding wheels 5 and two pull ropes 7, and the two wheel axles 51 are located at both ends of the rod axle 21 respectively.

[0085] Reference Figure 1 The external wall drainage structure also includes a motor 8 and a locking mechanism 9.

[0086] The housing of motor 8 is fixedly connected to bracket 1, and the output shaft of motor 8 is coaxially fixedly connected to axle 51.

[0087] Locking mechanism 9 is used to lock disc 52 and axle 51, or locking mechanism 9 is used to lock sleeve 22 and axle 21.

[0088] Reference Figure 2 and Figure 3 The locking mechanism 9 includes a sliding sleeve 91, a locking block 92, a magnet 93, and an electromagnet 94.

[0089] The sliding sleeve 91 is coaxially slidably connected to the rod shaft 21, and the sliding sleeve 91 and the rod shaft 21 are circumferentially fixed. Specifically, the sliding sleeve 91 and the rod shaft 21 are connected by a key.

[0090] Several locking blocks 92 are provided. The several locking blocks 92 are divided into two groups, and the two groups of locking blocks 92 are respectively fixedly connected to both ends of the sliding sleeve 91.

[0091] The end of the sleeve 22 is provided with a groove 23 for inserting the locking block 92. The end of the wheel 52 is provided with a groove 53 for inserting the locking block 92.

[0092] The magnet 93 is fixedly connected to the sliding sleeve 91. Preferably, the magnet 93 is embedded in the sliding sleeve 91.

[0093] The electromagnet 94 is ring-shaped and coaxially sleeved around the axle 51. The electromagnet 94 is fixedly connected to the bracket 1 and is located on one side of the sliding sleeve 91 along the axial direction of the rod shaft 21. The electromagnet 94 attracts or repels the magnet 93 by magnetic force.

[0094] In this embodiment: corresponding to the two winding wheels 5, there are two locking mechanisms 9.

[0095] The implementation principle of an external wall drainage structure in this application embodiment is as follows:

[0096] Bracket 1 is installed to the exterior wall;

[0097] In rainy weather, especially with heavy rainfall, the electromagnet 94 uses magnetic force to bring the magnet 93 close to the wheel 52. The locking block 92 engages in the wheel groove 53, the motor 8 operates, and the output shaft of the motor 8 rotates in the forward direction, driving the wheel 52 to rotate in the forward direction via the wheel axle 51, rod axle 21, (key-connected) sliding sleeve 91, and locking block 92. The wheel 52 then winds up the pull rope 7, causing the sliding rod 3 to move closer to the fixed pulley 6.

[0098] The sliding rod 3 pulls the water-blocking plate 4, causing the rod sleeve 22 to rotate in the opposite direction.

[0099] The friction between the inner circumference of the sleeve 22 and the outer circumference of the shaft 21, and the force exerted by the sliding rod 3 on the water-blocking plate 4, keep the water-blocking plate 4 in a taut state, reducing the wrinkles or bending of the water-blocking plate 4, and facilitating the sliding of rainwater on the water-blocking plate 4.

[0100] The unfolded water-blocking plate 4 is used to shield the lower edge of the window frame or the entire window, blocking some or all of the rainwater falling towards the lower edge of the window frame;

[0101] After the rainfall subsides or stops, the electromagnet 94 uses magnetic force to bring the magnet 93 closer to the sleeve 22. The locking block 92 is inserted into the rod groove 23, and the motor 8 starts running. The output shaft of the motor 8 rotates in the forward direction, which drives the sleeve 22 to rotate in the forward direction through the wheel axle 51, the rod axle 21, the (key-connected) sliding sleeve 91, and the locking block 92. The sleeve 22 then retracts the water-blocking plate 4, which moves the sliding rod 3 away from the fixed pulley 6.

[0102] The slider 3 pulls the rope 7, causing the wheel 52 to rotate in the opposite direction.

[0103] The force exerted by the slide bar 3 on the pull rope 7 and the friction between the inner circumference of the wheel 52 and the outer circumference of the wheel axle 51 keep the pull rope 7 taut, preparing for the next rapid deployment of the water-blocking plate 4.

[0104] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. An external wall drainage structure, characterized in that, It includes a bracket (1), a rotating rod (2), a sliding rod (3), and a water baffle (4). The bracket (1) is used to connect to the exterior wall. The rotating rod (2) is rotatably connected to the bracket (1) around its own axis. The slide rod (3) is parallel to the rotating rod (2), the slide rod (3) is slidably connected to the bracket (1), and the sliding direction of the slide rod (3) is perpendicular to the axis of the rotating rod (2). One end of the water-blocking plate (4) is connected to the rotating rod (2), the water-blocking plate (4) is rolled up to the outside of the rotating rod (2), and the other end of the water-blocking plate (4) is connected to the sliding rod (3). It also includes a winding reel (5) and a pull rope (7). The take-up reel (5) is rotatably connected to the bracket (1), and the axis of the take-up reel (5) is perpendicular to the sliding direction of the slide rod (3). One end of the pull rope (7) is connected to the winding wheel (5), the pull rope (7) is wound outside the winding wheel (5), and the other end of the pull rope (7) is connected to the slide bar (3); It also includes a fixed pulley (6). The fixed pulley (6) is rotatably connected to the bracket (1), and the axis of the fixed pulley (6) is perpendicular to the sliding direction of the slide rod (3). The other end of the pull rope (7) passes around the fixed pulley (6) and is connected to the slide rod (3). The rotating rod (2) includes a rod shaft (21) and a rod sleeve (22). The rod shaft (21) is rotatably connected to the bracket (1), and the winding wheel (5) is coaxially connected to the rod shaft (21). The sleeve (22) is coaxially rotatably connected to the outside of the shaft (21), and there is sliding friction between the inner circumference of the sleeve (22) and the outer circumference of the shaft (21). The water-blocking plate (4) is connected to the rod sleeve (22), and the water-blocking plate (4) is rolled up to the outside of the rod sleeve (22); It also includes a locking mechanism (9). The winding reel (5) includes an axle (51) and a disc (52). The wheel axle (51) is coaxially connected to the rod axle (21). The wheel (52) is coaxially rotatably connected to the outside of the axle (51), and there is sliding friction between the inner circumference of the wheel (52) and the outer circumference of the axle (51). The pull rope (7) is connected to the wheel (52), and the pull rope (7) is wound up outside the wheel (52). When it is necessary to deploy the water-blocking plate (4), the locking mechanism (9) is used to lock the wheel disc (52) and the wheel axle (51). When it is necessary to retract the water baffle (4), the locking mechanism (9) is used to lock the rod sleeve (22) and the rod shaft (21).

2. The external wall drainage structure according to claim 1, characterized in that, The locking mechanism (9) includes a sliding sleeve (91) and a locking block (92). The sliding sleeve (91) is slidably connected to the rod shaft (21), and the sliding sleeve (91) and the rod shaft (21) are circumferentially fixed. The locking block (92) is connected to the end of the sliding sleeve (91). The end of the sleeve (22) is provided with a groove (23), which is used for the insertion of the locking block (92). The wheel (52) has a groove (53) at its end, which is used for the insertion of the card block (92).

3. The external wall drainage structure according to claim 2, characterized in that, The locking mechanism (9) also includes a magnet (93) and an electromagnet (94). The magnet (93) is connected to the sliding sleeve (91). The electromagnet (94) is connected to the bracket (1). The electromagnet (94) is located on one side of the sliding sleeve (91) along the axial direction of the rod axis (21). The electromagnet (94) attracts or repels the magnet (93) by magnetic force.

4. The external wall drainage structure according to claim 1, characterized in that, It also includes a motor (8) for driving the winding reel (5) to rotate.