Drainage pipe with anti-freezing and anti-blocking functions for building outer wall
By introducing a cleaning and feeding structure into the drain pipe, and using an electric push rod to drive a wire brush to clean debris, the problem of leaf blockage was solved, achieving automated cleaning and reducing maintenance costs and labor intensity.
Patent Information
- Application Number
- CN202520101335.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-16
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-01-16
AI Technical Summary
Existing building exterior drainage pipes are prone to clogging by leaves and other debris, resulting in high maintenance costs, high labor intensity, and inconvenient cleaning processes.
A drain pipe with a cleaning structure and a feeding structure was designed, including a filter screen, a wire brush, a multi-stage electric push rod, and a sensing component. The wire brush is driven by the electric push rod to clean up debris, and the filter screen isolates impurities, thus achieving automated cleaning.
It effectively prevents debris such as leaves from entering the drain pipe, reducing the risk of blockage, maintenance costs and labor intensity, and improving the practicality of the drain pipe.
Smart Images

Figure CN223709024U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to building outer wall drainage pipe technical field, concretely is a building outer wall drainage pipe with anti -icing anti -block function. BACKGROUND
[0002] Building outer wall drainage pipe is the key component of building drainage system, shoulders the heavy responsibility of discharging roof and wall rainwater efficiently, prevents rainwater accumulation from causing erosion and damage to building structure, and is divided into polyvinyl chloride pipe, hard polyvinyl chloride pipe, atactic copolymer polypropylene pipe, cast iron pipe and high-density polyethylene pipe according to material, wherein atactic copolymer polypropylene pipe and high-density polyethylene pipe both have excellent anti -freezing performance, and in extremely cold area, PPR pipe can be wrapped with thermal insulation cotton, rubber plastic sponge and other thermal insulation materials, the heat loss rate is reduced, the invasion of external cold air is resisted, the water flow temperature in the pipe does not drop too fast to freeze, and appropriate antifreeze can also be added in the pipeline system to reduce the freezing point of water and prevent freezing.
[0003] At present, in the prior art, the main reason for the pipe blockage in the building outer wall drainage pipe is the leaves and other sundries, and the staff needs to clean the leaves and other sundries in the drainage pipe regularly, thereby making the use and maintenance cost of the drainage pipe larger, and the labor intensity of the staff is also larger during the cleaning process, so a building outer wall drainage pipe with anti -icing anti -block function is provided to solve the above problems. UTILITY MODEL CONTENT
[0004] In view of the defects of the prior art, the utility model provides a building outer wall drainage pipe with anti -icing anti -block function, which has the advantages of anti -block, solves the problems that the main reason for the pipe blockage in the building outer wall drainage pipe is the leaves and other sundries, and the staff needs to clean the leaves and other sundries in the drainage pipe regularly, thereby making the use and maintenance cost of the drainage pipe larger, and the labor intensity of the staff is also larger during the cleaning process.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a building outer wall drainage pipe with anti -icing anti -block function, comprising a high-density polyethylene drainage pipe and a building outer wall, a metal clamp is installed on the high-density polyethylene drainage pipe, and a cleaning structure and a feeding structure are arranged on the high-density polyethylene drainage pipe.
[0006] The cleaning structure comprises a filter screen fixedly installed inside a high-density polyethylene drain pipe, an expansion frame fixedly installed on the outer surface of the high-density polyethylene drain pipe and the facade of the building outer wall, an installation frame fixedly installed on the top of the expansion frame, a connecting block slidingly installed inside the installation frame, a connecting bracket fixedly installed on the facade of the connecting block and extending into the expansion frame, and a steel wire brush fixedly installed on the bottom of the connecting bracket and used for cleaning the leaf impurities inside the expansion frame.
[0007] Further, the feeding structure comprises a multi-stage electric push rod fixedly installed inside the installation frame and used for controlling the left-right movement of the connecting block, the telescopic end of the multi-stage electric push rod is fixedly connected with the connecting block, a limiting component for limiting the sliding track of the connecting block is installed on the rear sidewall of the inner cavity of the installation frame, and the high-density polyethylene drain pipe and the connecting block are provided with sensing components for controlling the multi-stage electric push rod.
[0008] Further, the metal hoop is fixedly installed on the building outer wall, and the metal hoop is fixedly installed on the outer surface of the high-density polyethylene drain pipe.
[0009] Further, a connecting frame is fixedly installed on the back of the expansion frame, a mounting nail extending into the building outer wall is installed on the connecting frame, and the inclination angle of the expansion frame is thirty degrees.
[0010] Further, the connecting bracket comprises a three-fold plate, the bottom of the three-fold plate is fixedly connected with the top of the steel wire brush, a fixing screw extending into the connecting block through the three-fold plate is installed on the three-fold plate, and the fixing screw is threadedly connected with the connecting block.
[0011] Further, the limiting component comprises a limiting strip and a limiting groove, the limiting groove is opened on the back of the connecting block, the limiting strip is fixedly installed on the rear sidewall of the inner cavity of the installation frame, and the inner wall of the limiting groove is slidingly connected with the outer surface of the limiting strip.
[0012] Further, the sensing component comprises a flow sensor and a pressure sensor, the pressure sensor is fixedly installed on the right side of the connecting block, the flow sensor is fixedly installed on the inner wall of the high-density polyethylene drain pipe, and the flow sensor and the pressure sensor are electrically connected with the multi-stage electric push rod, respectively.
[0013] Compared with the prior art, the technical scheme has the following beneficial effects:
[0014] The building outer wall is provided with the drainage pipe with the anti-freezing and anti-clogging functions, through the setting of the cleaning structure and the feeding structure, the filter screen is used to isolate the sundries such as leaves in the expansion frame, and the connecting block is driven to slide to the left and upwards along the limiting strip direction through the starting of the multi-stage electric push rod, so that the moving connecting block drives the steel wire brush to move synchronously through the connecting support, then the steel wire brush is used to clean the sundries such as leaves in the expansion frame to the outside, until the sundries such as leaves are cleaned out of the expansion frame, so that the building outer wall is provided with the drainage pipe with the anti-freezing and anti-clogging functions, and the practicability of the drainage pipe is enhanced. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a structural schematic diagram of the utility model;
[0016] Figure 2 It is a structural schematic diagram of the utility model Figure 1 It is an enlarged view of A in the utility model structure;
[0017] Figure 3 It is a perspective view of the expansion frame, the mounting frame and the connecting support of the utility model structure.
[0018] In the drawing: 1, high-density polyethylene drainage pipe; 2, building outer wall; 3, metal clamp; 41, filter screen; 42, expansion frame; 43, mounting frame; 44, connecting block; 45, connecting support; 46, steel wire brush; 47, multi-stage electric push rod; 48, limiting part; 49, sensing part. DETAILED DESCRIPTION
[0019] 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 fall within the scope of protection of the utility model.
[0020] Please refer to Figures 1 to 3 In the embodiment, the drainage pipe with the anti-freezing and anti-clogging functions for building outer wall comprises a high-density polyethylene drainage pipe 1 and a building outer wall 2, the metal clamp 3 is installed on the high-density polyethylene drainage pipe 1, the cleaning structure and the feeding structure are arranged on the high-density polyethylene drainage pipe 1, the metal clamp 3 is fixedly installed on the building outer wall 2, and the metal clamp 3 is fixedly installed on the outer surface of the high-density polyethylene drainage pipe 1.
[0021] In the embodiment, the cleaning structure comprises a filter screen 41 fixedly installed in the inside of the high-density polyethylene drain pipe 1, an expansion frame 42 fixedly installed on the outer surface of the high-density polyethylene drain pipe 1 and the front surface of the building outer wall 2, an installation frame 43 fixedly installed on the top of the expansion frame 42, a connecting block 44 slidably installed in the inside of the installation frame 43, a connecting support 45 fixedly installed on the front surface of the connecting block 44 and extending into the inside of the expansion frame 42, a steel wire brush 46 for cleaning the leaf impurities in the inside of the expansion frame 42 fixedly installed on the bottom of the connecting support 45, and a three-fold plate fixedly connected to the top of the steel wire brush 46, a fixing screw extending into the inside of the connecting block 44 and fixedly installed on the three-fold plate, and the fixing screw being threadedly connected with the connecting block 44, so as to drive the steel wire brush 46 to move through the connecting support 45.
[0022] The back surface of the expansion frame 42 is fixedly installed with a connecting frame, the connecting frame is installed with a mounting nail extending into the inside of the building outer wall 2, and the inclination angle of the expansion frame 42 is thirty degrees, so as to collect and smoothly guide the rainwater into the high-density polyethylene drain pipe 1.
[0023] The above technical scheme realizes the control of the connecting block 44 to move to the upper left through the feeding structure, drives the connecting support 45 to move synchronously through the moving connecting block 44, and then controls the steel wire brush 46 to move and clean the leaf impurities in the expansion frame 42 to the outside of the expansion frame 42, and the expansion frame 42 is arranged to have an inclination angle of thirty degrees, so as to ensure that the water flow smoothly enters the high-density polyethylene drain pipe 1 and the leaf impurities are isolated through the filter screen 41.
[0024] In the embodiment, the feeding structure comprises a multi-stage electric push rod 47 fixedly installed in the inside of the installation frame 43 and used for controlling the left and right movement of the connecting block 44, the telescopic end of the multi-stage electric push rod 47 is fixedly connected with the connecting block 44, the rear side wall of the inner cavity of the installation frame 43 is installed with a limiting part 48 used for limiting the sliding track of the connecting block 44, the limiting part 48 comprises a limiting strip and a limiting groove, the limiting groove is opened on the back surface of the connecting block 44, and the limiting strip is fixedly installed on the rear side wall of the inner cavity of the installation frame 43, the inner wall of the limiting groove is slidably connected with the outer surface of the limiting strip, so as to realize the limitation that the connecting block 44 can only move along the direction of the limiting strip, and the high-density polyethylene drain pipe 1 and the connecting block 44 are provided with a sensing part 49 used for controlling the multi-stage electric push rod 47.
[0025] The sensing part 49 comprises a flow sensor and a pressure sensor, the pressure sensor is fixedly installed on the right side of the connecting block 44, and the flow sensor is fixedly installed on the inner wall of the high-density polyethylene drain pipe 1, and the flow sensor and the pressure sensor are electrically connected with the multi-stage electric push rod 47, so as to monitor the water flow in the high-density polyethylene drain pipe 1 through the flow sensor and timely shut down the multi-stage electric push rod 47 after the pressure sensor is pressed.
[0026] By adopting the technical scheme, when the flow sensor in the sensing component 49 monitors that the water flow in the high-density polyethylene drainage pipe 1 becomes small, the multi-stage electric push rod 47 is triggered to start, so that the multi-stage electric push rod 47 is retracted and drives the connecting block 44 to move left and upward on the outer surface of the limiting strip.
[0027] The working principle of the above embodiment is as follows:
[0028] The building outer wall drainage pipe with the anti-freezing and anti-blocking functions, when the flow sensor in the sensing component 49 monitors that the water flow in the high-density polyethylene drainage pipe 1 becomes small, the multi-stage electric push rod 47 is triggered to start, so that the multi-stage electric push rod 47 is retracted and drives the connecting block 44 to move left and upward on the outer surface of the limiting strip, so that the moving connecting block 44 drives the connecting support 45 to move synchronously, thereby controlling the steel wire brush 46 to move and clean the leaves and impurities in the expansion frame 42 to the outside, and the expansion frame 42 is arranged at an inclined angle of thirty degrees, so as to ensure that the water flow smoothly enters the high-density polyethylene drainage pipe 1, and the leaves and impurities are isolated by the filter screen 41.
[0029] It should be noted that, in this document, the terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or equipment including the element.
[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A drainage pipe for building exterior walls with antifreeze and anti-clogging functions, comprising a high-density polyethylene drainage pipe (1) and a building exterior wall (2), characterized in that: The high-density polyethylene drainage pipe (1) is equipped with a metal clamp (3), and the high-density polyethylene drainage pipe (1) is provided with a cleaning structure and a feeding structure; The cleaning structure includes a filter screen (41) fixedly installed inside the high-density polyethylene drain pipe (1), an expansion frame (42) fixedly installed on the outer surface of the high-density polyethylene drain pipe (1) and the front of the building exterior wall (2), an installation frame (43) fixedly installed on the top of the expansion frame (42), a connecting block (44) slidably installed inside the installation frame (43), a connecting bracket (45) fixedly installed on the front of the connecting block (44) with one end penetrating through and extending into the expansion frame (42), and a wire brush (46) fixedly installed at the bottom of the connecting bracket (45) for cleaning leaves and impurities inside the expansion frame (42).
2. A drainage pipe for building exterior walls with antifreeze and anti-clogging functions according to claim 1, characterized in that: The feeding structure includes a multi-stage electric push rod (47) fixedly installed inside the mounting frame (43) and used to control the left and right movement of the connecting block (44). The telescopic end of the multi-stage electric push rod (47) is fixedly connected to the connecting block (44). A limiting component (48) for limiting the sliding trajectory of the connecting block (44) is installed on the rear side wall of the inner cavity of the mounting frame (43). A sensing component (49) for controlling the multi-stage electric push rod (47) is provided on the high-density polyethylene drain pipe (1) and the connecting block (44).
3. A drainage pipe for building exterior walls with antifreeze and anti-clogging functions according to claim 1, characterized in that: The metal clamp (3) is fixedly installed on the exterior wall (2) of the building and on the outer surface of the high-density polyethylene drainage pipe (1).
4. A drainage pipe for building exterior walls with antifreeze and anti-clogging functions according to claim 1, characterized in that: A connecting frame is fixedly installed on the back of the expansion frame (42), and an installation nail with one end penetrating through and extending into the interior of the building's exterior wall (2) is installed on the connecting frame. The tilt angle of the expansion frame (42) is thirty degrees.
5. A drainage pipe for building exterior walls with antifreeze and anti-clogging functions according to claim 1, characterized in that: The connecting bracket (45) includes a three-fold plate, the bottom of which is fixedly connected to the top of the wire brush (46). A fixing screw with one end penetrating the three-fold plate and extending into the connecting block (44) is installed on the three-fold plate. The fixing screw is threadedly connected to the connecting block (44).
6. A drainage pipe for building exterior walls with antifreeze and anti-clogging functions according to claim 2, characterized in that: The limiting component (48) includes a limiting strip and a limiting groove. The limiting groove is opened on the back of the connecting block (44). The limiting strip is fixedly installed on the rear side wall of the inner cavity of the mounting frame (43). The inner wall of the limiting groove is slidably connected to the outer surface of the limiting strip.
7. A drainage pipe for building exterior walls with antifreeze and anti-clogging functions according to claim 2, characterized in that: The sensing component (49) includes a flow sensor and a pressure sensor. The pressure sensor is fixedly installed on the right side of the connecting block (44), and the flow sensor is fixedly installed on the inner wall of the high-density polyethylene drain pipe (1). The flow sensor and the pressure sensor are electrically connected to the multi-stage electric push rod (47) respectively.