Scale removing device for heating and ventilation pipeline of building

Abstract

The utility model belongs to the technical field of cleaning devices, and particularly relates to a building heating and ventilation pipeline scale cleaning device which comprises a fixed cylinder. One end of the fixed cylinder is in threaded connection with a threaded rod; a first bracket is fixedly connected to the side wall of the inner side of the fixed cylinder; one end of the first bracket is fixedly connected with a servo motor; a first gear is rotationally connected to the side wall of the inner side of the fixed cylinder; the output end of the servo motor is connected with a first gear. Through mutual cooperation between a cleaning plate and a spring column, the cleaning plate can be pushed to move up and down, at the moment, the cleaning plate can be adjusted according to the inner diameters of different pipelines, the cleaning plate is made to adapt to the inner diameters of the different pipelines, and therefore the situation that due to the fact that the sizes of most scale cleaning devices are fixed, the scale cleaning device is damaged is reduced. And the situation that the practicability of the removing device is reduced due to the fact that the water scale accumulated on the inner wall of the pipeline is not easy to adjust according to the inner diameter of the pipeline is avoided, and the flexibility of the whole device during removing of the water scale accumulated on the inner wall of the pipeline is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cleaning devices, in particular to a device for cleaning scale from building HVAC pipelines. Background Art

[0002] The scale removal device for building HVAC pipes is a device that can clean the scale accumulated inside the pipes. At the same time, building HVAC pipes are also an indispensable part of the heating and ventilation system inside the building, and are responsible for transporting heat energy and fluids such as air.

[0003] In the current existing technology, the scale removal device for building HVAC pipes is mainly composed of a fixed cylinder, a cleaning plate, a drill bit, a threaded rod, a servo motor and other components. Through the cooperation of these components, the effect of quickly cleaning the scale inside the pipe can be achieved.

[0004] In the existing building HVAC pipe scale removal devices, due to the long-term operation of the building HVAC pipes, a large amount of scale often accumulates inside, and the scale inside the pipes needs to be cleaned regularly to ensure the normal operation of the pipes; however, the sizes of most scale removal devices are usually fixed, and it is not easy to adjust according to the sizes of different pipe inner diameters, resulting in reduced practicality of the removal device; therefore, a building HVAC pipe scale removal device is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background technology, the utility model proposes a device for removing scale from building HVAC pipes.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the utility model describes a device for removing scale from building HVAC pipes, comprising a fixed cylinder; a threaded rod is threadedly connected to one end of the fixed cylinder; a first bracket is fixedly connected to the inner side wall of the fixed cylinder; a servo motor is fixedly connected to one end of the first bracket; the inner side wall of the fixed cylinder is rotatably connected to the first gear; the output end of the servo motor is mutually connected with the first gear; the inner side wall of the fixed cylinder is rotatably connected to the second gear; the first gear and the second gear are meshed with each other; the second gear is threadedly connected to the threaded rod; a fixed column is provided at one end of the threaded rod; a plurality of fixed boxes are fixedly connected to the outer side wall of the fixed column; a drill is fixedly connected to the end of the fixed column away from the threaded rod; a cleaning plate is slidably connected to the inner side of the fixed box; a plurality of spring columns are fixedly connected to the inner side wall of the fixed box; one end of the spring column is mutually connected with the cleaning plate.

[0007] Preferably, the side walls of one side of the fixed box are fixedly connected with a first connecting plate; the outer side walls of the first connecting plate are fixedly connected with multiple groups of first electric push rods; the output end of the first electric push rod is fixedly connected with a second connecting plate; the outer side walls of the second connecting plate are fixedly connected with multiple groups of cutting blades.

[0008] Preferably, the outer side wall of the fixed cylinder is provided with multiple groups of sliding grooves; the inner side wall of the fixed cylinder is fixedly connected to a second bracket; a side wall of the second bracket is fixedly connected to a fixed block; the outer side wall of the fixed block is fixedly connected to multiple groups of second electric push rods; the inner sides of the sliding grooves are slidably connected to support plates; the output end of the second electric push rod is interconnected with the support plate.

[0009] Preferably, the inner side wall of the fixed cylinder is fixedly connected to a guide rod; the outer side wall of the guide rod is slidably connected to a limit plate; the side wall of the limit plate close to the servo motor is fixedly connected to a pair of limit columns; the limit plate and the threaded rod are rotatably connected.

[0010] Preferably, a first magnetic block is fixedly connected to the inner bottom of the fixed box; a second magnetic block is fixedly connected to a side wall of one side of the cleaning plate; and the first magnetic block and the second magnetic block are both arranged on the inner sides of multiple groups of spring columns.

[0011] Preferably, an elastic block is fixedly connected to one end of the limiting column away from the limiting plate.

[0012] Preferably, a pair of handles are fixedly connected to the outer side wall of the fixed tube.

[0013] The utility model is beneficial in that:

[0014] 1. The utility model discloses a device for removing scale from building HVAC pipes. During the process of the threaded rod rotating and moving forward, the fixed column, the fixed box and the drill bit are driven to move accordingly, and the multiple sets of spring columns can push the cleaning plate to move inside the fixed box, so that the top of the cleaning plate fits with the inner wall of the pipe. At this time, during the process of the fixed box rotating and moving forward, the cleaning plate can scrape and clean the scale accumulated on the inner wall of the pipe, thereby improving the cleanliness of the inner side of the pipe; the cleaning plate and the spring column cooperate with each other to push the cleaning plate to move up and down. At this time, the cleaning plate can be adjusted according to the sizes of different inner diameters of the pipes, so that the cleaning plate can adapt to the sizes of different inner diameters of the pipes, thereby reducing the situation that the practicability of the cleaning device is reduced because the sizes of most scale cleaning devices are often fixed and not easy to adjust according to the size of the inner diameter of the pipe, thereby improving the flexibility of the overall device in cleaning the scale accumulated on the inner wall of the pipe.

[0015] 2. The utility model describes a device for removing scale from building HVAC pipes. When some large clogging objects accumulate inside the pipe, the first electric push rod is started to push the second connecting plate to move toward the inner wall of the pipe. During the movement of the second connecting plate, multiple sets of cutting blades follow the movement. During the rotation of the fixed column driving the fixed box, multiple sets of cutting blades follow the rotation. During the rotation of the cutting blades, the large objects clogging the inside of the pipe can be cut and separated, and the blockages can be crushed into fine particles, which are convenient for the cleaning plate to scrape and clean them, thereby improving the flowability inside the pipe and reducing the possibility of blockage inside the pipe due to the accumulation of large clogging objects inside the pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 It is a three-dimensional diagram of the fixed cylinder in the utility model;

[0018] Figure 2 It is a three-dimensional diagram of the threaded rod in the utility model;

[0019] Figure 3 It is a three-dimensional diagram of the support plate in the utility model;

[0020] Figure 4 It is a three-dimensional diagram of the guide rod in the utility model.

[0021] In the figure: 1. fixing cylinder; 11. threaded rod; 12. first bracket; 13. servo motor; 14. first gear; 15. second gear; 16. fixing column; 17. fixing box; 18. drill bit; 19. cleaning plate; 110. spring column; 2. first connecting plate; 21. first electric push rod; 22. second connecting plate; 23. cutting blade; 3. slide groove; 31. second bracket; 32. fixing block; 33. second electric push rod; 34. support plate; 4. guide rod; 41. limit plate; 42. limit column; 5. first magnetic block; 51. second magnetic block; 6. elastic block; 7. handle. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a device for removing scale from a building HVAC pipe comprises a fixed cylinder 1; one end of the fixed cylinder 1 is threadedly connected to a threaded rod 11; a first bracket 12 is fixedly connected to the inner side wall of the fixed cylinder 1; one end of the first bracket 12 is fixedly connected to a servo motor 13; a first gear 14 is rotatably connected to the inner side wall of the fixed cylinder 1; the output end of the servo motor 13 is connected to the first gear 14; a second gear 15 is rotatably connected to the inner side wall of the fixed cylinder 1; the first gear 14 and the second gear 15 are meshed with each other; the second gear 15 is connected to the threaded rod 11 The threaded rod 11 is connected by a thread; a fixing column 16 is provided at one end; a plurality of fixing boxes 17 are fixedly connected to the outer wall of the fixing column 16; a drill bit 18 is fixedly connected to the end of the fixing column 16 away from the threaded rod 11; a cleaning plate 19 is slidably connected to the inner side of the fixing box 17; a plurality of spring columns 110 are fixedly connected to the inner side wall of the fixing box 17; one end of the spring column 110 is connected to the cleaning plate 19; when working: when it is necessary to clean the scale accumulated on the inner wall of the pipeline, the fixing cylinder 1 and the fixing column 16 are inserted into the inner side of the pipeline, and the servo motor 13 is started to drive The first gear 14 is driven to rotate, the first gear 14 drives the second gear 15 to rotate, the second gear 15 drives the threaded rod 11 to rotate, and the threaded rod 11 moves forward. During the rotation and forward movement of the threaded rod 11, the fixed column 16, the fixed box 17 and the drill bit 18 are driven to move with it, and the multiple groups of spring columns 110 can push the cleaning plate 19 to move inside the fixed box 17, so that the top of the cleaning plate 19 and the inner wall of the pipe fit each other. At this time, during the rotation and forward movement of the fixed box 17, the cleaning plate 19 can scrape and clean the scale accumulated on the inner wall of the pipe. , thereby improving the cleanliness of the inside of the pipeline; through the cooperation between the cleaning plate 19 and the spring column 110, the cleaning plate 19 can be pushed to move up and down. At this time, the cleaning plate 19 can be adjusted according to the size of the inner diameter of the pipeline, so that the cleaning plate 19 can adapt to the size of the inner diameter of the pipeline, thereby reducing the situation where the practicality of the cleaning device is reduced because the size of most scale cleaning devices is often fixed and it is not easy to adjust according to the size of the inner diameter of the pipeline, thereby improving the flexibility of the overall device in cleaning the scale accumulated on the inner wall of the pipeline.

[0024] like Figure 1and Figure 2 As shown, the side walls of one side of the fixed box 17 are fixedly connected to the first connecting plate 2; the outer side wall of the first connecting plate 2 is fixedly connected to multiple groups of first electric push rods 21; the output end of the first electric push rod 21 is fixedly connected to the second connecting plate 22; the outer side wall of the second connecting plate 22 is fixedly connected to multiple groups of cutting blades 23; during operation: when some large pieces of blocking objects accumulate inside the pipeline, the first electric push rod 21 is started to push the second connecting plate 22 to move toward the side close to the inner wall of the pipeline. During the movement of the second connecting plate 22, the multiple groups of cutting blades 23 follow the movement. During the rotation of the fixed column 16 driving the fixed box 17, the multiple groups of cutting blades 23 follow the rotation. During the rotation of the cutting blades 23, the large pieces of objects blocking the inside of the pipeline can be cut and separated, so that the blockages are crushed into fine particles, which are convenient for the cleaning plate 19 to scrape and clean them, thereby improving the flowability inside the pipeline and reducing the occurrence of blockages inside the pipeline due to the accumulation of large pieces of blocking objects inside the pipeline.

[0025] like Figure 1 and Figure 3 As shown, the outer wall of the fixed cylinder 1 is provided with multiple groups of slide grooves 3; the inner side wall of the fixed cylinder 1 is fixedly connected to a second bracket 31; a fixing block 32 is fixedly connected to one side wall of the second bracket 31; the outer wall of the fixing block 32 is fixedly connected to multiple groups of second electric push rods 33; the inner sides of the slide grooves 3 are slidably connected to support plates 34; the output end of the second electric push rod 33 is connected to the support plate 34; during operation: when the fixed cylinder 1 and the fixing column 16 are inserted into the interior of the pipeline, the second electric push rod 33 is started to push the support plate 34 to move toward the inner side wall of the pipeline, and when the outer side wall of the support plate 34 moves to fit the inner wall of the pipeline, and the support plate 34 and the inner wall of the pipeline are in a squeezed state, the effect of fixing the fixed cylinder 1 on the inner side of the pipeline can be achieved, thereby improving the stability of the threaded rod 11, the fixing column 16, the fixing box 17 and the drill bit 18 when moving inside the pipeline, and improving the effect of the cleaning plate 19 in scraping and cleaning the scale inside the pipeline.

[0026] like Figure 3 and Figure 4As shown, the inner side wall of the fixed cylinder 1 is fixedly connected with a guide rod 4; the outer side wall of the guide rod 4 is slidably connected with a limit plate 41; the limit plate 41 is fixedly connected with a pair of limit columns 42 on the side wall close to the servo motor 13; the limit plate 41 and the threaded rod 11 are rotatably connected; during operation: in the process of the threaded rod 11 moving forward, the limit plate 41 follows the movement, and the movement of the limit plate 41 drives the limit column 42 to follow the movement, and when the threaded rod 11 moves forward to a far position, one end of the limit column 42 first contacts with the inner side wall of the fixed cylinder 1, so as to achieve the effect of limiting the movement of the threaded rod 11, thereby reducing the situation that the threaded rod 11 is easily separated from the second gear 15 and the surface of the fixed cylinder 1 when the threaded rod 11 moves forward to a far position, and the overall device improves the stability of the threaded rod 11 when it moves.

[0027] like Figure 2 As shown, a first magnetic block 5 is fixedly connected to the bottom of the inner side of the fixed box 17; a second magnetic block 51 is fixedly connected to the side wall of one side of the cleaning plate 19; the first magnetic block 5 and the second magnetic block 51 are both arranged on the inner side of a plurality of groups of spring columns 110; when working: the first magnetic block 5 and the second magnetic block 51 repel each other due to magnetic force, thereby pushing the top end of the cleaning plate 19 to fit more closely to the inner wall of the pipe, so that the top end of the cleaning plate 19 is more effective in cleaning scale impurities adhered to the inner wall of the pipe.

[0028] like Figure 3 and Figure 4 As shown, the limiting column 42 is fixedly connected to an elastic block 6 at one end away from the limiting plate 41; when working: the elastic block 6 is made of elastic material, and when one end of the limiting column 42 contacts and collides with the inner side wall of the fixed cylinder 1, the elastic block 6 first contacts with the inner side wall of the fixed cylinder 1, thereby reducing the possibility of damage to the inner side wall of the fixed cylinder 1 caused by long-term contact and collision between one end of the limiting column 42 and the inner side wall of the fixed cylinder 1, thereby improving the working life of the fixed cylinder 1.

[0029] like Figure 1 As shown, a pair of handles 7 are fixedly connected to the outer side wall of the fixed cylinder 1; during operation: through the handles 7 arranged on the outer side wall of the fixed cylinder 1, the staff can hold the handles 7 to place the fixed cylinder 1, the fixed column 16, the fixed box 17, the drill bit 18 and other integrated devices into the pipeline, thereby improving the comfort of the staff when placing the fixed cylinder 1, the fixed column 16, the fixed box 17, the drill bit 18 and other integrated devices into the pipeline, and further reducing the labor intensity of the staff.

[0030] Working principle: when it is necessary to clean the scale accumulated on the inner wall of the pipeline, the fixed cylinder 1 and the fixed column 16 are inserted into the inner side of the pipeline, and the servo motor 13 is started to drive the first gear 14 to rotate, and the first gear 14 drives the second gear 15 to rotate, and the second gear 15 drives the threaded rod 11 to rotate and move the threaded rod 11 forward. In the process of the threaded rod 11 rotating and moving forward, the fixed column 16, the fixed box 17 and the drill bit 18 are driven to move with it, and the multiple groups of spring columns 110 can push the cleaning plate 19 to move inside the fixed box 17, so that the top of the cleaning plate 19 fits against the inner wall of the pipeline. At this time, in the process of the fixed box 17 rotating and moving forward, the cleaning plate 19 can scrape and clean the scale accumulated on the inner wall of the pipeline, thereby improving the cleaning efficiency of the inside of the pipeline. Cleanliness; through the cooperation between the cleaning plate 19 and the spring column 110, the cleaning plate 19 can be pushed to move up and down. At this time, the cleaning plate 19 can be adjusted according to the size of the inner diameter of the different pipes, so that the cleaning plate 19 can adapt to the size of the inner diameter of the different pipes, thereby reducing the size of most scale cleaning devices is often fixed, not easy to adjust according to the size of the inner diameter of the pipe, resulting in reduced practicality of the cleaning device, thereby improving the flexibility of the overall device in cleaning the scale accumulated on the inner wall of the pipe; when some large pieces of blocking objects accumulate inside the pipe, the first electric push rod 21 is started to push the second connecting plate 22 to move toward the side close to the inner wall of the pipe. During the movement of the second connecting plate 22, the multiple groups of cutting blades 23 follow the movement, and the fixed During the process of the fixed column 16 driving the fixed box 17 to rotate, the multiple groups of cutting blades 23 rotate accordingly. During the rotation of the cutting blades 23, the large objects blocking the inside of the pipe can be cut and separated, so that the blockages are crushed into fine particles, which are convenient for the cleaning plate 19 to scrape and clean them, thereby improving the flowability inside the pipe and reducing the situation where the pipe is blocked due to the accumulation of large blocks of blocking objects inside the pipe. When the fixed cylinder 1 and the fixed column 16 are inserted into the pipe, the second electric push rod 33 is started to push the support plate 34 to move towards the inner side wall of the pipe. When the outer wall of the support plate 34 moves to fit the inner wall of the pipe, and the support plate 34 and the inner wall of the pipe are in a squeezed state, the fixed cylinder 1 can be fixed. The effect of supporting on the inner side of the pipe improves the stability of the threaded rod 11, the fixing column 16, the fixing box 17 and the drill bit 18 when they move inside the pipe, and improves the effect of the cleaning plate 19 in scraping and cleaning the scale inside the pipe; in the process of the threaded rod 11 moving forward, the limit plate 41 moves along, and the movement of the limit plate 41 drives the limit column 42 to move along. When the threaded rod 11 moves forward to a far position, one end of the limit column 42 first contacts the inner side wall of the fixing tube 1, so as to achieve the effect of limiting the movement of the threaded rod 11, thereby reducing the situation that the threaded rod 11 is easily separated from the second gear 15 and the surface of the fixing tube 1 when the threaded rod 11 moves forward to a far position. The overall device improves the stability of the threaded rod 11 when it moves;The first magnetic block 5 and the second magnetic block 51 repel each other due to magnetic force, thereby pushing the top of the cleaning plate 19 to fit more closely with the inner wall of the pipe, so that the top of the cleaning plate 19 is more effective in cleaning the scale impurities adhered to the inner wall of the pipe; the elastic block 6 is made of elastic material, and when one end of the limit column 42 contacts and collides with the inner side wall of the fixed cylinder 1, the elastic block 6 first contacts with the inner side wall of the fixed cylinder 1, thereby reducing the possibility of damage to the inner side wall of the fixed cylinder 1 caused by the long-term contact and collision between one end of the limit column 42 and the inner side wall of the fixed cylinder 1, thereby improving the service life of the fixed cylinder 1; by setting the handle 7 on the outer wall of the fixed cylinder 1, the staff can hold the handle 7 to place the fixed cylinder 1, the fixed column 16, the fixed box 17 and the drill bit 18 and other integrated devices into the pipe, thereby improving the comfort of the staff when placing the fixed cylinder 1, the fixed column 16, the fixed box 17 and the drill bit 18 and other integrated devices into the pipe, and further reducing the labor intensity of the staff. ;

[0031] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A device for removing scale from a building HVAC pipe, comprising a fixed cylinder (1); characterized in that: One end of the fixed cylinder (1) is threadedly connected to a threaded rod (11); the inner side wall of the fixed cylinder (1) is fixedly connected to a first bracket (12); one end of the first bracket (12) is fixedly connected to a servo motor (13); the inner side wall of the fixed cylinder (1) is rotatably connected to a first gear (14); the output end of the servo motor (13) and the first gear (14) are mutually connected; the inner side wall of the fixed cylinder (1) is rotatably connected to a second gear (15); the first gear (14) and the second gear (15) are meshed with each other; The second gear (15) is threadedly connected to the threaded rod (11); a fixing column (16) is provided at one end of the threaded rod (11); a plurality of fixing boxes (17) are fixedly connected to the outer wall of the fixing column (16); a drill bit (18) is fixedly connected to one end of the fixing column (16) away from the threaded rod (11); a cleaning plate (19) is slidably connected to the inner side of the fixing box (17); a plurality of spring columns (110) are fixedly connected to the inner side wall of the fixing box (17); and one end of the spring column (110) is connected to the cleaning plate (19).

2. A device for removing scale from building HVAC pipes according to claim 1, characterized in that: The side walls of one side of the fixed box (17) are all fixedly connected to a first connecting plate (2); the outer side walls of the first connecting plate (2) are all fixedly connected to a plurality of first electric push rods (21); the output ends of the first electric push rods (21) are fixedly connected to a second connecting plate (22); and the outer side walls of the second connecting plate (22) are all fixedly connected to a plurality of cutting blades (23).

3. A device for removing scale from building HVAC pipes according to claim 1, characterized in that: The outer wall of the fixed cylinder (1) is provided with a plurality of slide grooves (3); the inner side wall of the fixed cylinder (1) is fixedly connected to a second bracket (31); a side wall of the second bracket (31) is fixedly connected to a fixed block (32); the outer wall of the fixed block (32) is fixedly connected to a plurality of second electric push rods (33); the inner sides of the slide grooves (3) are slidably connected to support plates (34); the output end of the second electric push rod (33) is connected to the support plate (34) mutually.

4. A device for removing scale from building HVAC pipes according to claim 1, characterized in that: The inner side wall of the fixed cylinder (1) is fixedly connected to a guide rod (4); the outer side wall of the guide rod (4) is slidably connected to a limit plate (41); the side wall of the limit plate (41) close to the servo motor (13) is fixedly connected to a pair of limit columns (42); the limit plate (41) and the threaded rod (11) are rotatably connected.

5. The device for removing scale from building HVAC pipes according to claim 1, characterized in that: A first magnetic block (5) is fixedly connected to the bottom of the inner side of the fixing box (17); a second magnetic block (51) is fixedly connected to a side wall of one side of the cleaning plate (19); and the first magnetic block (5) and the second magnetic block (51) are both arranged on the inner side of a plurality of groups of spring columns (110).

6. A device for removing scale from building HVAC pipes according to claim 4, characterized in that: An elastic block (6) is fixedly connected to one end of the limiting column (42) away from the limiting plate (41).

7. The device for removing scale from building HVAC pipes according to claim 1, characterized in that: A pair of handles (7) are fixedly connected to the outer side walls of the fixed cylinder (1).

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