Scale removing device for heating and ventilation pipeline of building

By designing a scale removal device for building HVAC pipes including support pipes, movable grooves, bidirectional screws and connecting rods, the problem that existing devices cannot be adjusted according to the diameter of the pipes is solved, and adaptation to different pipes and efficient scale is achieved. Clear.

CN222447591UActive Publication Date: 2025-02-11JINAN THERMAL CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202421050200.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-15
Publication Date
2025-02-11
Estimated Expiration
2034-05-15

AI Technical Summary

Technical Problem

The scale removal device of existing HVAC pipes lacks a structure to adjust the width and cannot be adjusted according to the diameter of the pipe, so it is relatively simple to use.

Method used

A scale removal device including a support tube, a movable groove, a bidirectional screw, a collar, a bearing seat and a connecting rod is designed. By controlling the motor to drive the bidirectional screw rotation, drive the collar and bearing seat to move, adjust the angle of the connecting rod and the distance between the clearing brush, adapting to different pipe diameters is achieved.

Benefits of technology

The device can adjust the size of the cleaning brush as needed, adapt to the diameter of different pipes, improve the flexibility and efficiency of scale removal, and reduce the risk of bursting and explosion.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222447591U_ABST
    Figure CN222447591U_ABST
Patent Text Reader

Abstract

The utility model discloses a building heating and ventilation pipeline scale removing device, and relates to the technical field of building heating and ventilation pipelines, the building heating and ventilation pipeline scale removing device comprises a supporting pipe, movable grooves are formed in the top and the bottom wall of the supporting pipe, an adjusting assembly is installed on the inner side of the supporting pipe, and the adjusting assembly comprises a two-way screw rod installed on the inner side of the supporting pipe; a lantern ring is installed on the outer side of the bidirectional lead screw, a bearing seat is installed on the outer wall of the lantern ring, the bearing seat is connected with a connecting rod through a connecting piece, and the connecting rod penetrates through the inner side of the movable groove. The bidirectional lead screw is installed, the control motor operates to drive the bidirectional lead screw at the output end to rotate, the bidirectional lead screw rotates to drive the lantern ring on the outer side to move, the lantern ring moves to drive the bearing seat to move, the bearing seat is connected with the connecting rod through the connecting piece, and the top end of the connecting rod is connected with the cleaning brush through the assembling seat. The bearing seat drives the connecting rod to adjust the angle, so that the distance between the cleaning brushes is adjusted, the size is conveniently adjusted according to needs, and the needs of different pipelines are met.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

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

[0002] After the HVAC pipes have been used for a certain period of time, a lot of scale may accumulate on the inner wall of the pipes. The thermal conductivity of scale is very poor, which will cause the heat transfer of the heated surface to deteriorate. Due to thermal expansion and contraction and uneven force, the risk of bursting or even explosion of the HVAC pipes is greatly increased. When scale is cemented, a large amount of heavy metal ions are often attached to it. If it is used to transport water, there is a risk of excessive dissolution of heavy metal ions in the water.

[0003] Patent document CN219899495U discloses "a scale removal device for building HVAC pipes, which relates to the field of building HVAC pipes. It comprises a movable seat, a surface of which is fixedly connected to an air bag, an upper side of the right side surface of the air bag is fixedly connected to an air intake pipe, a pipe wall of the air intake pipe is fixedly connected to an electromagnetic valve, a sealing shell is arranged on the right side of the movable seat, and a winding shell is fixedly connected to the upper and lower sides of the right side surface of the sealing shell";

[0004] The scale removal device mentioned above lacks a width-adjusting structure inside, and cannot be adjusted in size according to the pipe diameter, so its use is relatively simple. Utility Model Content

[0005] The utility model aims to provide a device for removing scale from building HVAC pipes to solve the technical problems that the scale removing devices in the prior art lack a width adjustment structure, cannot be adjusted in size according to the pipe diameter, and are relatively simple in use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for removing scale from building HVAC pipes, comprising a support tube, wherein the top and bottom walls of the support tube are provided with movable grooves, an adjustment assembly is installed on the inner side of the support tube, the adjustment assembly comprises a bidirectional screw rod installed on the inner side of the support tube, a sleeve is installed on the outer side of the bidirectional screw rod, a bearing seat is installed on the outer wall of the sleeve, the bearing seat is connected to a connecting rod via a connecting piece, the connecting rod passes through the inner side of the movable groove, one end of the connecting rod is connected to a cleaning brush assembly, the cleaning brush assembly comprises an assembly seat connected to one end of the connecting rod, and a cleaning brush is installed on one end of the assembly seat.

[0007] Preferably, a control motor is installed at one end of the support tube, and an output end of the control motor is connected to one end of the bidirectional lead screw.

[0008] Preferably, a protective shell is installed at one end of the support tube, and the protective shell is located outside the control motor.

[0009] Preferably, a transmission rod is installed at one end of the protective shell, and a driving motor is installed at one end of the transmission rod.

[0010] Preferably, a mounting shell is installed on the outer side of the driving motor, a plurality of telescopic rods are installed on the outer side of the mounting shell, a bearing frame is installed on one end of the telescopic rod, a rotating rod is installed on the inner side of the bearing frame, and a moving wheel is installed on the outer side of the rotating rod.

[0011] Preferably, a motor is installed on the outer wall of the bearing frame, the output end of the motor is connected to the rotating rod, and a waterproof cover is installed on the outer wall of the bearing frame, and the waterproof cover is located on the outside of the motor.

[0012] Preferably, a pull rope is externally connected to one side of the mounting shell.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model is equipped with a bidirectional screw rod, and the motor is controlled to drive the bidirectional screw rod at the output end to rotate. The rotation of the bidirectional screw rod drives the outer ring to move, and the movement of the ring drives the bearing seat to move. The bearing seat is connected to the connecting rod through a connecting piece, and the top of the connecting rod is connected to the cleaning brush through an assembly seat. The bearing seat drives the connecting rod to adjust the angle, thereby adjusting the distance between the cleaning brushes, which is convenient for adjusting the size according to needs to meet the needs of different pipelines.

[0015] 2. The utility model is equipped with an electric push rod, and the mounting shell fixes the telescopic rod on the outside. The telescopic rod is extended and shortened to adjust the length, and the moving wheel is driven to adjust the position, so that the moving wheel is against the inner wall of the pipe, which meets different needs and is convenient for the supporting structure to support the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the cross-sectional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the installation shell structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the connecting rod structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the bearing frame structure of the utility model.

[0020] In the figure: 1. mounting shell; 2. telescopic rod; 3. bearing frame; 4. rotating rod; 5. moving wheel; 6. electric motor; 7. waterproof cover; 8. pull rope; 9. driving motor; 10. transmission rod; 11. protective shell; 12. control motor; 13. supporting tube; 14. bidirectional screw rod; 15. movable groove; 16. collar; 17. bearing seat; 18. connecting rod; 19. assembly seat; 20. cleaning brush. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of 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.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 indirectly connected 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.

[0023] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 The utility model provides an embodiment: a device for removing scale from a building HVAC pipe, comprising a support tube 13, wherein a movable groove 15 is provided on the top and bottom wall of the support tube 13, an adjustment assembly is installed on the inner side of the support tube 13, the adjustment assembly comprises a bidirectional screw rod 14 installed on the inner side of the support tube 13, a collar 16 is installed on the outer side of the bidirectional screw rod 14, a bearing seat 17 is installed on the outer wall of the collar 16, the bearing seat 17 is connected to a connecting rod 18 through a connecting piece, the connecting rod 18 passes through the inner side of the movable groove 15, one end of the connecting rod 18 is connected to a cleaning brush assembly, the cleaning brush assembly comprises an assembly seat 19 connected to one end of the connecting rod 18, a cleaning brush 20 is installed on one end of the assembly seat 19, a control motor 12 is installed on one end of the support tube 13, the output end of the control motor 12 is connected to one end of the bidirectional screw rod 14, a protective shell 11 is installed on one end of the support tube 13, and the protective shell 11 is located on the outer side of the control motor 12;

[0024] An active groove 15 is provided on the outer wall of the support tube 13, and the inner connecting rod 18 is guided by the active groove 15. The control motor 12 is fixed on the outer wall of the support tube 13. The control motor 12 drives the bidirectional screw 14 at the output end to rotate. The rotation of the bidirectional screw 14 drives the outer ring 16 to move. The movement of the ring 16 drives the bearing seat 17 to move. The bearing seat 17 is connected to the connecting rod 18 through a connecting piece. The top of the connecting rod 18 is connected to the cleaning brush 20 through an assembly seat 19. The bearing seat 17 drives the connecting rod 18 to adjust the angle, thereby adjusting the distance between the cleaning brushes 20, which is convenient for adjusting the size according to needs to meet the needs of different pipelines.

[0025] A transmission rod 10 is installed at one end of the protective shell 11, and a driving motor 9 is installed at one end of the transmission rod 10;

[0026] The mounting shell 1 fixes the driving motor 9 on the inner side to ensure the smooth operation of the driving motor 19. The operation of the driving motor 19 drives the transmission rod 10 at the output end to rotate. The rotation of the transmission rod 10 drives the protective shell 11 to rotate. The protective shell 11 drives the support tube 13 and the outer cleaning brush 20 to rotate through the transmission. The cleaning brush 20 cleans the scale.

[0027] A mounting shell 1 is installed on the outside of the driving motor 9, and a plurality of telescopic rods 2 are installed on the outside of the mounting shell 1. A bearing frame 3 is installed on one end of the telescopic rod 2, and a rotating rod 4 is installed on the inside of the bearing frame 3. A moving wheel 5 is installed on the outside of the rotating rod 4. A motor 6 is installed on the outer wall of the bearing frame 3, and the output end of the motor 6 is connected to the rotating rod 4. A waterproof cover 7 is installed on the outer wall of the bearing frame 3, and the waterproof cover 7 is located on the outside of the motor 6;

[0028] The mounting shell 1 fixes the telescopic rod 2 on the outside. The telescopic rod 2 is telescoped and shortened to adjust the length, driving the moving wheel 5 to adjust the position, so that the moving wheel 5 is against the inner wall of the pipe to meet different needs and facilitate the supporting structure to support the device. The bearing frame 3 is connected to the moving wheel 5 through the rotating rod 4. The operation of the motor 6 drives the rotating rod 4 at the output end to rotate. The rotation of the rotating rod 4 drives the outer moving wheel 5 to rotate. The rotation of the moving wheel 5 drives the device to move, which is convenient for adjusting the position of the device. The waterproof cover 7 is installed on the outside of the motor 6 to protect the motor 6.

[0029] A pull rope 8 is externally connected to one side of the installation shell 1 , and the pull rope 8 is connected to the installation shell 1 , and the device is moved out of the pipeline by pulling the pull rope.

[0030] Working principle: The installation shell 1 fixes the telescopic rod 2 on the outside, and the telescopic rod 2 is extended and shortened to adjust the length, driving the moving wheel 5 to adjust the position, so that the moving wheel 5 is against the inner wall of the pipe to meet different needs and facilitate the support structure to support the device. The bearing frame 3 is connected to the moving wheel 5 through the rotating rod 4. The operation of the motor 6 drives the rotating rod 4 at the output end to rotate, and the rotation of the rotating rod 4 drives the outer moving wheel 5 to rotate. The rotation of the moving wheel 5 drives the device to move, which is convenient for adjusting the position of the device. The driving motor 19 drives the transmission rod 10 at the output end to rotate, and the rotation of the transmission rod 10 drives the protective shell 11 protective shell 11 rotates, the protective shell 11 drives the support tube 13 and the outer cleaning brush 20 to rotate through transmission, the cleaning brush 20 cleans the scale, the control motor 12 runs to drive the bidirectional screw 14 at the output end to rotate, the rotation of the bidirectional screw 14 drives the outer ring 16 to move, the movement of the ring 16 drives the bearing seat 17 to move, the bearing seat 17 is connected to the connecting rod 18 through a connecting piece, the top of the connecting rod 18 is connected to the cleaning brush 20 through an assembly seat 19, the bearing seat 17 drives the connecting rod 18 to adjust the angle, thereby adjusting the distance between the cleaning brushes 20, which is convenient for adjusting the size according to needs to meet the needs of different pipelines.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention, and any figure mark in the claims should not be regarded as limiting the claims involved.

Claims

1. A device for removing scale from building HVAC pipes, characterized in that: The invention comprises a support tube (13), wherein the top and bottom walls of the support tube (13) are provided with movable grooves (15), an adjustment assembly is installed on the inner side of the support tube (13), the adjustment assembly comprises a bidirectional screw rod (14) installed on the inner side of the support tube (13), a collar (16) is installed on the outer side of the bidirectional screw rod (14), a bearing seat (17) is installed on the outer wall of the collar (16), the bearing seat (17) is connected to a connecting rod (18) via a connecting piece, the connecting rod (18) passes through the inner side of the movable groove (15), one end of the connecting rod (18) is connected to a cleaning brush assembly, the cleaning brush assembly comprises an assembly seat (19) connected to one end of the connecting rod (18), and a cleaning brush (20) is installed on one end of the assembly seat (19).

2. A device for removing scale from building HVAC pipes according to claim 1, characterized in that: A control motor (12) is installed at one end of the support tube (13), and an output end of the control motor (12) is connected to one end of a bidirectional screw rod (14).

3. A device for removing scale from building HVAC pipes according to claim 1, characterized in that: A protective shell (11) is installed at one end of the support tube (13), and the protective shell (11) is located outside the control motor (12).

4. A device for removing scale from building HVAC pipes according to claim 3, characterized in that: A transmission rod (10) is mounted on one end of the protective shell (11), and a drive motor (9) is mounted on one end of the transmission rod (10).

5. A device for removing scale from building HVAC pipes according to claim 4, characterized in that: A mounting shell (1) is mounted on the outside of the driving motor (9), a plurality of telescopic rods (2) are mounted on the outside of the mounting shell (1), a bearing frame (3) is mounted on one end of the telescopic rod (2), a rotating rod (4) is mounted on the inside of the bearing frame (3), and a moving wheel (5) is mounted on the outside of the rotating rod (4).

6. A device for removing scale from building HVAC pipes according to claim 5, characterized in that: An electric motor (6) is mounted on the outer wall of the bearing frame (3), the output end of the electric motor (6) is connected to the rotating rod (4), and a waterproof cover (7) is mounted on the outer wall of the bearing frame (3), the waterproof cover (7) is located outside the electric motor (6).

7. The device for removing scale from building HVAC pipes according to claim 5, characterized in that: A pull rope (8) is externally connected to one side of the installation shell (1).

Citation Information

Patent Citations

  • Scale removing device for heating and ventilation pipeline of building

    CN219899495U