Maintenance device for heating and ventilation water supply and drainage pipeline
By combining static scraper and dynamic rubbing ring structure in the pipeline maintenance device, the problem of difficulty in cleaning stubborn dirt in the prior art is solved, and efficient removal of dirt on the inner wall of the pipeline is achieved, which significantly improves the cleaning efficiency.
Patent Information
- Application Number
- CN202420811181.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-18
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-04-18
AI Technical Summary
Existing pipeline maintenance and cleaning devices are difficult to effectively clean stubborn attachments and dirt on the inner wall of the pipeline. Static scrapers alone cannot completely remove these stubborn dirt.
A HVAC supply and drainage pipe maintenance device is designed, using a structure that combines static scrapers and dynamic rubbing rings. The static scrapers are made of plastic or rubber materials. The dynamic rubbing rings have a steel wire layer. The motor drives the shaft to drive the joints and rubbing rings. Rotate and cooperate with the design of front and rear scrapers to achieve efficient cleaning of stubborn dirt.
It significantly improves the cleaning efficiency of dirt and attachments in the inner wall of the pipeline, can effectively remove stubborn dirt and attachments in the pipeline, and improves the cleaning effect of pipeline maintenance.
Smart Images

Figure CN222268124U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pipeline maintenance, in particular to a HVAC water supply and drainage pipeline maintenance device. Background Art
[0002] HVAC water supply and drainage pipes need to be maintained regularly. One of the important maintenance items is the cleaning of impurities inside the pipes. There should be no garbage or other foreign matter inside the heating and water supply and drainage pipes, only scale and impurities that exist after a long period of water flow.
[0003] The pipeline maintenance and cleaning device in the prior art moves in the pipeline by traction or self-propelled mode. One end or both ends of the device are provided with a relatively flexible static scraper. The scraper closely adheres to the inner wall of the pipeline while following the movement of the device, and efficiently scrapes off a certain amount of dirt and pipe wall attachments. However, there are stubborn attachments and scale on the inner wall of the pipeline, which obviously cannot be cleaned off by just scraping with the scraper. Therefore, in order to improve the pipeline maintenance and cleaning effect, a new HVAC water supply and drainage pipeline maintenance device is proposed, which effectively solves the above problems. Utility Model Content
[0004] The purpose of the present invention is to solve at least one of the above technical deficiencies.
[0005] To this end, one purpose of the utility model is to provide a HVAC water supply and drainage pipeline maintenance device to solve the problems mentioned in the background technology and overcome the shortcomings of the prior art.
[0006] In order to achieve the above-mentioned purpose, an embodiment of the utility model provides a HVAC water supply and drainage pipeline maintenance device, including a front part, a connecting rod, and a hanging ear, wherein the front end of the front part is fixedly connected to the connecting rod, and the front side of the connecting rod is fixedly connected to the hanging ear;
[0007] A plurality of scrapers are fixedly connected to the outer surface of the front part, a motor is built into the interior of the front part, and a rotating shaft is fixedly connected to the output end of the motor;
[0008] A rear portion is arranged behind the front portion, and a plurality of scrapers are fixedly connected to the outer surface of the rear portion;
[0009] A bearing is installed at the front end of the rear portion, and the rotating shaft is installed inside the bearing;
[0010] The outer surface of the rotating shaft is fixedly connected with a joint, the outer surface of the joint is fixedly connected with a rubbing ring, and the outer surface of the rubbing ring is a steel wire layer;
[0011] A plurality of fixing arms are installed on the outer surfaces of the front part and the rear part, and pulleys are movably connected to the ends of the fixing arms.
[0012] Preferably, any of the above schemes is that the front end of the front part and the connecting rod are welded, a battery for powering the motor is built in the front part, and the shape of the hanging ear is U-shaped.
[0013] Adopting the above technical solution: This device is specially used for the maintenance of heating, water supply and drainage pipelines. It is an internal maintenance device and a device for clearing and unclogging the inside of the pipeline.
[0014] Preferably, any of the above solutions is that the scraper is made of plastic or rubber, and the scraper is connected to the front part by screws or glue.
[0015] By adopting the above technical solution: there is no garbage or other foreign matter inside the heating, water supply and drainage pipes. This device is specially used to clean most of the straight sections in the heating, water supply and drainage pipes. There are only scale and impurities generated after long-term water flow. Therefore, this device is designed specifically for maintaining, cleaning and unblocking such pipes.
[0016] Preferably, any of the above schemes is provided with at least two scrapers on the front portion, and at least two scrapers on the rear portion.
[0017] Adopting the above technical solution: the device is divided into two parts, the first part, the fuselage part, is composed of the front part, the connecting rod, the hanging ear, the rear part, the fixed arm and the pulley structure;
[0018] The second part, the pipeline maintenance and cleaning part, consists of scrapers, motors, rotating shafts, bearings, joints, and wiping rings.
[0019] Preferably, according to any of the above schemes, the output end of the motor faces rearward.
[0020] Preferably, in any of the above schemes, the joint is riveted to the outer surface of the rotating shaft, and the joint and the rubbing ring are an integral structure.
[0021] The above technical solution is adopted: the core structure of the device is: front, rear, scraper, motor, shaft, bearing, joint, and rubbing ring. The core advantages of the device are: the device is specially used for the maintenance, transportation and cleaning of the interior of large heating, water supply and drainage pipelines. The device is towed by a machine, and a wire rope is fastened to the front hanging ear, so that it moves in the pipeline. The design of the scraper is static, and as the device moves, it has a certain flexibility design. It is made of plastic or rubber, and can fit closely to the inner wall of the pipeline and efficiently scrape off various dirt and attachments. At the same time, a dynamic cleaning mechanism is designed, a motor is installed in the front, and a bearing is installed in the rear. The shaft of the motor is inserted in the bearing to achieve docking between the front and rear. When the motor is working, the shaft rotates, driving the joint and the rubbing ring to rotate. The rubbing ring is dynamically rotatable, and with the steel wire layer on its outer surface, it has a strong cleaning ability. After the scraper scrapes away a certain amount of dirt in the pipeline, the rotatable rubbing ring structure can quickly scrape off the stubborn dirt and attachments on the inner wall of the pipeline, significantly improving the cleaning efficiency.
[0022] Compared with the prior art, the advantages and beneficial effects of the utility model are:
[0023] The HVAC water supply and drainage pipeline maintenance device is specially used for the maintenance, transportation and cleaning of the interior of large heating and water supply and drainage pipelines through the coordinated arrangement of the front part, the rear part, the scraper, the motor, the rotating shaft, the bearing, the joint and the rubbing ring. The device is towed by a machine, and a steel wire rope is fastened to the hanging ear at the front part so that the device moves in the pipeline. The scraper is designed to be static and has a certain flexibility as the device moves. The scraper is made of plastic or rubber and can fit closely to the inner wall of the pipeline to efficiently scrape off various dirt and attachments. At the same time, a dynamic cleaning mechanism is designed. A motor is installed in the front part, and a bearing is installed in the rear part. The rotating shaft of the motor is inserted in the bearing to achieve docking between the front part and the rear part. When the motor is working, the rotating shaft rotates, driving the joint and the rubbing ring to rotate. The rubbing ring is dynamically rotatable and has a strong cleaning ability in combination with the steel wire layer on its outer surface. After the scraper scrapes off a certain amount of dirt in the pipeline, the rotatable rubbing ring structure can quickly scrape off the stubborn dirt and attachments on the inner wall of the pipeline, thereby significantly improving the cleaning efficiency.
[0024] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:
[0026] Figure 1 It is a structural schematic diagram of the utility model from the first perspective;
[0027] Figure 2 It is a structural schematic diagram of the utility model from a second viewing angle;
[0028] Figure 3 It is a structural schematic diagram of the rotating shaft of the utility model;
[0029] Figure 4 It is a structural schematic diagram of the bearing of the utility model.
[0030] In the figure: 1-front part, 2-connecting rod, 3-hanging ear, 4-scraper, 5-motor, 6-rotating shaft, 7-rear part, 8-bearing, 9-joint, 10-wiping ring, 11-fixed arm, 12-pulley. DETAILED DESCRIPTION
[0031] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.
[0032] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0033] like Figure 1-4 As shown, the HVAC water supply and drainage pipe maintenance device comprises a front part 1, a connecting rod 2, and a hanging ear 3. The front end of the front part 1 is fixedly connected to the connecting rod 2, and the front face of the connecting rod 2 is fixedly connected to the hanging ear 3;
[0034] A plurality of scrapers 4 are fixedly connected to the outer surface of the front part 1, a motor 5 is built into the interior of the front part 1, and a rotating shaft 6 is fixedly connected to the output end of the motor 5;
[0035] A rear portion 7 is disposed behind the front portion 1, and a plurality of scrapers 4 are fixedly connected to the outer surface of the rear portion 7;
[0036] A bearing 8 is installed at the front end of the rear portion 7, and the rotating shaft 6 is installed inside the bearing 8;
[0037] The outer surface of the rotating shaft 6 is fixedly connected with a joint 9, the outer surface of the joint 9 is fixedly connected with a rubbing ring 10, and the outer surface of the rubbing ring 10 is a steel wire layer;
[0038] A plurality of fixed arms 11 are installed on the outer surfaces of the front portion 1 and the rear portion 7 , and pulleys 12 are movably connected to the ends of the fixed arms 11 .
[0039] Embodiment 1: The front end of the front part 1 and the connecting rod 2 are welded, and a battery for powering the motor 5 is built inside the front part 1, and the shape of the hanging ear 3 is U-shaped. This device is specially used for the maintenance of heating, water supply and drainage pipes. It is an internal maintenance device and a device for clearing and unclogging the inside of the pipes. The scraper 4 is made of plastic or rubber, and the scraper 4 is connected to the front part 1 by screws or by glue. There is no foreign matter such as garbage inside the heating, water supply and drainage pipes. This device is specially used to clean most of the straight sections in the heating, water supply and drainage pipes. There are only scale and impurities generated after long-term water flow. Therefore, this device is designed specifically for maintaining, cleaning and clearing such pipes.
[0040] Embodiment 2: At least two scrapers 4 are provided on the front part 1, and at least two scrapers 4 are provided on the rear part. The device is divided into two parts. The first part, the body part, is composed of the front part 1, the connecting rod 2, the hanging ear 3, the rear part 7, the fixed arm 11 and the pulley 12 structure;
[0041] The second part, the pipeline maintenance and cleaning part, consists of a scraper 4, a motor 5, a rotating shaft 6, a bearing 8, a joint 9, and a rubbing ring 10. The output end of the motor 5 faces the rear part 7. The joint 9 is riveted to the outer surface of the rotating shaft 6, and the joint 9 and the rubbing ring 10 are an integrated structure.
[0042] The working principle of the utility model is as follows:
[0043] The device is towed by a machine, and a steel wire rope is fastened to the hanging ear 3 of the front part 1, so that it moves in the pipeline. The design of the scraper 4 is that the scraper 4 is static and moves with the device. It is designed to be flexible to a certain extent. It is made of plastic or rubber and can fit closely to the inner wall of the pipeline to efficiently scrape off various dirt and attachments. At the same time, a dynamic cleaning mechanism is designed. A motor 5 is installed in the front part 1, and a bearing 8 is installed in the rear part 7. The shaft 6 of the motor 5 is plugged into the bearing 8 to achieve the docking of the front part 1 and the rear part 7. When the motor 5 is working, the shaft 6 rotates, driving the joint 9 and the wiping ring 10 to rotate. The wiping ring 10 is dynamically rotatable, and has a strong cleaning ability with the steel wire layer on its outer surface. After the scraper 4 scrapes off a certain amount of dirt in the pipeline, the rotatable wiping ring 10 structure can quickly scrape off the stubborn dirt and attachments on the inner wall of the pipeline, and then they are scraped off by the scraper 4 of the rear part 7.
[0044] Compared with the prior art, the present invention has the following beneficial effects:
[0045] The HVAC water supply and drainage pipeline maintenance device is specially used for the maintenance, transportation and cleaning of the interior of large heating, water supply and drainage pipelines through the coordinated arrangement of the front part 1, the rear part 7, the scraper 4, the motor 5, the rotating shaft 6, the bearing 8, the joint 9 and the wiping ring 10. The device is towed by a machine, and a steel wire rope is fastened to the hanging ear 3 of the front part 1, so that it moves in the pipeline. The design of the scraper 4 is that the scraper 4 is static and moves with the device. It has a certain flexibility and is made of plastic or rubber. It can fit closely to the inner wall of the pipeline and efficiently scrape off various dirt and attachments. At the same time, A dynamic cleaning mechanism is designed, in which a motor 5 is installed in the front part 1, and a bearing 8 is installed in the rear part 7. The rotating shaft 6 of the motor 5 is inserted in the bearing 8 to achieve the docking of the front part 1 and the rear part 7. When the motor 5 is working, the rotating shaft 6 rotates, driving the joint 9 and the wiping ring 10 to rotate. The wiping ring 10 is dynamically rotatable, and has a strong cleaning ability with the steel wire layer on its outer surface. After the scraper 4 scrapes away a certain amount of dirt in the pipeline, the rotatable wiping ring 10 structure can quickly scrape off the stubborn dirt and attachments on the inner wall of the pipeline, thereby significantly improving the cleaning efficiency.
Claims
1. A HVAC water supply and drainage pipeline maintenance device, characterized in that: It comprises a front part (1), a connecting rod (2), and a hanging ear (3), wherein the front end of the front part (1) is fixedly connected to the connecting rod (2), and the front surface of the connecting rod (2) is fixedly connected to the hanging ear (3); A plurality of scrapers (4) are fixedly connected to the outer surface of the front part (1), a motor (5) is built into the interior of the front part (1), and a rotating shaft (6) is fixedly connected to the output end of the motor (5); A rear part (7) is arranged behind the front part (1), and a plurality of scrapers (4) are fixedly connected to the outer surface of the rear part (7); a bearing (8) is installed at the front end of the rear part (7), and the rotating shaft (6) is installed inside the bearing (8); The outer surface of the rotating shaft (6) is fixedly connected with a joint (9), the outer surface of the joint (9) is fixedly connected with a rubbing ring (10), and the outer surface of the rubbing ring (10) is a steel wire layer; A plurality of fixed arms (11) are installed on the outer surfaces of the front part (1) and the rear part (7), and the ends of the fixed arms (11) are movably connected to pulleys (12).
2. A HVAC water supply and drainage pipeline maintenance device as claimed in claim 1, characterized in that: The front end of the front part (1) and the connecting rod (2) are both welded, a storage battery for supplying power to the motor (5) is built into the interior of the front part (1), and the shape of the hanging ear (3) is U-shaped.
3. A HVAC water supply and drainage pipeline maintenance device as claimed in claim 2, characterized in that: The scraper blade (4) is made of plastic or rubber, and the scraper blade (4) is connected to the front part (1) by screws or by glue.
4. A HVAC water supply and drainage pipeline maintenance device as claimed in claim 3, characterized in that: At least two scrapers (4) are arranged on the front part (1), and at least two scrapers (4) are arranged on the rear part.
5. A HVAC water supply and drainage pipeline maintenance device as claimed in claim 4, characterized in that: The output end of the motor (5) faces the rear (7).
6. A HVAC water supply and drainage pipeline maintenance device as claimed in claim 5, characterized in that: The joint (9) is riveted to the outer surface of the rotating shaft (6), and the joint (9) and the rubbing ring (10) are an integral structure.