Water scale cleaning device for inner container of water heater

Abstract

The invention provides an inner container scale cleaning device for a water heater, which comprises a cleaning assembly and a liquid spraying assembly, and the liquid spraying assembly is arranged on the cleaning assembly; a circular pipe body is fixed to a circular connecting rod through a second fixing mechanism, a first fixing mechanism is separated from a circular cylinder, related personnel hold the circular connecting rod with hands, a driving mechanism drives the circular cylinder to rotate, and the circular cylinder drives a circular block body and a plurality of arc-shaped plate bodies to rotate; an arc-shaped plate body drives a first gear to rotate in an inner gear ring, so that the arc-shaped plate body drives carborundum sponge to be attached to the inner wall of the water heater inner container, then a circular pipe body and a circular column body are fixed through a first fixing mechanism, and the circular pipe body is released from a circular connecting rod through a second fixing mechanism; the water heater inner container cleaning device is suitable for cleaning water heater inner containers with different inner diameters, the cleaning mode is convenient, cleaning is more thorough, the labor amount of related personnel is reduced, and the working efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of water heater cleaning equipment, and in particular to a device for cleaning scale in an inner tank of a water heater. Background Art

[0002] A water heater is a household appliance. Its main function is to heat cold water to a temperature suitable for bathing, washing, etc. With the improvement of human living standards, water heaters have become an indispensable household appliance for humans. While satisfying human life, water heaters have also brought troubles to humans. Because of the long-term heating of water, a thick layer of scale will be covered on the inner tank of the water heater. If these scales are not handled in time, the heating effect of the water heater will be poor and the water in the water heater will contain bacteria. The existing cleaning method generally uses a cleaning brush for cleaning, and relevant personnel need to use their arms to hold the cleaning brush to clean the inner tank of the water heater. If the inner diameter of the water heater inner tank is large, relevant personnel need to use external tools to clean it. This cleaning method is more troublesome and the cleaning is not thorough, which increases the workload of relevant personnel and reduces work efficiency. For this reason, a water heater inner tank scale cleaning device is proposed. Summary of the Invention

[0003] The technical solution of an embodiment of the present invention is implemented as follows: a scale cleaning device for the inner tank of a water heater, comprising a cleaning component and a liquid spray component, wherein the liquid spray component is arranged on the cleaning component, and the outer wall of the cleaning component is in contact with the inner tank of the water heater, and the cleaning component comprises a circular connecting rod, a cleaning mechanism, a first fixing mechanism, a second fixing mechanism and a driving mechanism, wherein the cleaning mechanism is arranged on the circular connecting rod, and the driving mechanism is respectively arranged on the circular connecting rod and the cleaning mechanism; the first fixing mechanism is arranged on the cleaning mechanism, and the second fixing mechanism is respectively arranged on the circular connecting rod and the cleaning mechanism.

[0004] In some embodiments, the cleaning mechanism includes a circular tube, a plurality of arc-shaped plates, a plurality of emery sponges, a circular cylinder, a circular block, an inner gear ring and a plurality of first gears, wherein a circular groove is opened at one end of the circular cylinder, and the outer wall of the circular connecting rod is rotatably connected to the inner wall of the circular groove; the inner wall of the circular tube is rotatably connected to the outer wall of the circular cylinder, and the inner gear ring is arranged at one end of the circular tube; the circular block is arranged at the other end of the circular cylinder, and a plurality of the arc-shaped plates are uniformly rotatably connected to the outer wall of the circular block; a plurality of the emery sponges are arranged at the corresponding The arc-shaped plate body is provided with the outer wall of the emery sponge fitting the inner wall of the water heater tank; a plurality of the first gears are provided on the outer wall of the corresponding arc-shaped plate body, and a plurality of the first gears are meshed with the inner wall of the inner gear ring; the first fixing mechanism is respectively provided on the circular tube body and the circular cylinder, and the second fixing mechanism is respectively provided on the circular tube body and the circular connecting rod; the driving mechanism is provided at one end of the circular connecting rod, and the driving mechanism is rotatably connected to the inner wall of the circular groove; the liquid spraying components are all provided on the circular connecting rod, the circular cylinder and the circular block.

[0005] In some embodiments, the first fixing mechanism includes two first bolts and an annular fixing plate, wherein an annular groove is provided on the inner wall of the circular tube body, and two first threaded through holes are symmetrically provided at the other end of the circular tube body; the annular fixing plate is arranged on the outer wall of the circular cylinder, and the outer wall of the annular fixing plate is fitted with the inner wall of the annular groove; the outer wall of the annular fixing plate is evenly provided with limiting through holes, and the outer walls of the two first bolts are threadedly connected to the inner walls of the corresponding first threaded through holes, and the outer walls of the two first bolts are fitted with the inner walls of the corresponding limiting through holes.

[0006] In some embodiments, the second fixing mechanism includes a fixing ring body and two second bolts, wherein the outer wall of the fixing ring body is arranged on the inner wall of the circular tube body, and the outer wall of the fixing ring body is symmetrically provided with two second threaded through holes; the outer wall of the circular connecting rod is evenly provided with limiting grooves, and the outer walls of the two second bolts are fitted to the inner walls of the corresponding limiting grooves, and the outer walls of the two second bolts are threadedly connected to the inner walls of the corresponding second threaded through holes.

[0007] In some embodiments, the driving mechanism includes a servo motor, a second gear and an outer gear ring, wherein the servo motor is arranged at one end of the circular connecting rod, and the second gear is arranged on the output shaft of the servo motor; the outer gear ring is engaged with the second gear, and the outer gear ring is rotatably connected to the inner wall of the circular groove; the liquid spraying assembly passes through the outer gear ring.

[0008] In some embodiments, the liquid spray assembly includes a circular tube and several nozzles, wherein a circular cavity is opened inside the circular block, and several of the nozzles evenly penetrate the outer wall of the circular block; the circular block and the several nozzles are fixedly connected, and the several nozzles are connected to the interior of the circular cavity; one end of the circular tube penetrates the circular connecting rod, and the circular tube and the circular connecting rod are fixedly connected; one end of the circular tube passes through the outer gear ring, and one end of the circular tube passes through the circular cylinder and is rotatably connected; one end of the circular tube passes through the circular block and is rotatably connected, and one end of the circular tube is connected to the interior of the circular cavity.

[0009] In some embodiments, handles are evenly arranged on the outer wall of the circular connecting rod.

[0010] In some embodiments, the outer wall of the handle is provided with a rubber sleeve.

[0011] The embodiment of the present invention adopts the above technical solution, which has the following advantages: 1. The present invention fixes the circular tube on the circular connecting rod through the second fixing mechanism, and the first fixing mechanism is detached from the circular cylinder. The relevant personnel hold the circular connecting rod, and the driving mechanism drives the circular cylinder to rotate. The circular cylinder drives the circular block and several arc-shaped plates to rotate. The arc-shaped plate drives the first gear to rotate in the inner gear ring, so that the arc-shaped plate drives the emery sponge to fit the inner wall of the water heater tank. Thereafter, the circular tube and the circular cylinder are fixed by the first fixing mechanism, and the second fixing mechanism releases the circular tube from the circular connecting rod. The driving mechanism is used to drive the circular cylinder, the circular block, the arc-shaped plate and the emery sponge to rotate, and is used to clean the scale on the inner wall of the water heater tank. It is suitable for water heater tanks with different inner diameters. The cleaning method is more convenient and more thorough, which reduces the labor of relevant personnel and improves work efficiency.

[0012] 2. The present invention transmits the descaling agent to the circular cavity through the circular tube, and the descaling agent in the circular cavity is sprayed out through the nozzle. The nozzle rotates along with the circular block, so that the descaling agent is evenly sprayed into the inner tank of the water heater, thereby improving the effect of cleaning the scale in the inner tank of the water heater and improving work efficiency.

[0013] The above summary is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present invention will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or technical descriptions. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0015] Figure 1 It is a structural diagram of the present invention; Figure 2 It is a side view of the structure of the present invention; Figure 3 For the present invention Figure 2 AA side cross-sectional structure diagram; Figure 4 For the present invention Figure 3 A magnified structural diagram of area B; Figure 5 For the present invention Figure 3 The enlarged structure diagram of the C region; Figure 6 For the present invention Figure 3 A magnified structural diagram of the D region; Figure 7 For the present invention Figure 3 A magnified structural diagram of the E region; Figure 8 It is a structural diagram of the cleaning component of the present invention; Figure 9 This is a structural diagram of the connection between the circular connecting rod and the handle of the present invention; Figure 10 This is a structural diagram of the annular fixing plate of the present invention.

[0016] Figure numerals: 1. cleaning component; 2. liquid spray component; 3. water heater inner tank; 4. handle; 5. rubber sleeve; 6. circular cavity; 7. circular groove; 8. limiting through hole; 9. first threaded through hole; 10. circular connecting rod; 11. cleaning mechanism; 12. first fixing mechanism; 13. second fixing mechanism; 14. driving mechanism; 20. circular tube; 21. nozzle; 30. limiting groove; 31. second threaded through hole; 32. annular groove; 110. circular tube body; 111. arc-shaped plate body; 112. emery sponge; 113. circular cylinder; 114. circular block; 115. inner gear ring; 116. first gear; 120. first bolt; 121. annular fixing plate; 130. fixing ring body; 131. second bolt; 140. servo motor; 141. second gear; 142. outer gear ring. DETAILED DESCRIPTION

[0017] Hereinafter, only certain exemplary embodiments are briefly described. As will be appreciated by those skilled in the art, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and description are to be considered as illustrative in nature and not restrictive.

[0018] It should be noted that the terms "first," "second," "symmetrical," "array," etc. are used only to distinguish descriptions from positional descriptions and should not be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, limitations on features such as "first" and "symmetrical" may explicitly or implicitly include one or more of these features; similarly, when the number of certain features is not limited in the form of words such as "two" or "three," it should be noted that these features also explicitly or implicitly include one or more of the number of features. In the present invention, unless otherwise expressly specified or limited, terms such as "installation," "connection," and "fixation" should be understood broadly; for example, they may refer to fixed connection, detachable connection, or integral molding; they may refer to mechanical connection, direct connection, welding, or indirect connection through an intermediate medium; they may refer to internal communication between two components or interaction between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in the present invention based on the specification and drawings in conjunction with specific circumstances.

[0019] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0020] like Figures 1-10 As shown, an embodiment of the present invention provides a scale cleaning device for the inner tank of a water heater, including a cleaning component 1 and a liquid spray component 2, the liquid spray component 2 is arranged on the cleaning component 1, the outer wall of the cleaning component 1 is fitted with the inner tank 3 of the water heater, and the cleaning component 1 includes a circular connecting rod 10, a cleaning mechanism 11, a first fixing mechanism 12, a second fixing mechanism 13 and a driving mechanism 14, wherein the cleaning mechanism 11 is arranged on the circular connecting rod 10, and the driving mechanism 14 is respectively arranged on the circular connecting rod 10 and the cleaning mechanism 11, the first fixing mechanism 12 is arranged on the cleaning mechanism 11, and the second fixing mechanism 13 is respectively arranged on the circular connecting rod 10 and the cleaning mechanism 11.

[0021] In this embodiment, specifically, the cleaning mechanism 11 includes a circular tube 110, a plurality of arc-shaped plates 111, a plurality of diamond sponges 112, a circular cylinder 113, a circular block 114, an inner gear ring 115 and a plurality of first gears 116, wherein one end of the circular cylinder 113 is provided with a circular groove 7, and the outer wall of the circular connecting rod 10 is rotatably connected to the inner wall of the circular groove 7, the inner wall of the circular tube 110 is rotatably connected to the outer wall of the circular cylinder 113, and the inner gear ring 115 is provided at one end of the circular tube 110, and the circular block 114 is provided on the circular cylinder 11 3, and a plurality of arc-shaped plates 111 are evenly rotated and connected to the outer wall of the circular block 114, a plurality of diamond sponges 112 are arranged on the corresponding arc-shaped plates 111, and the outer wall of the diamond sponge 112 is in contact with the inner wall of the water heater tank 3, a plurality of first gears 116 are arranged on the outer wall of the corresponding arc-shaped plates 111, and a plurality of first gears 116 are meshed with the inner wall of the inner gear ring 115, the first fixing mechanism 12 is respectively arranged on the circular tube 110 and the circular cylinder 113, and the second fixing mechanism 13 is respectively arranged on the circular tube 110 and the circular connecting On the rod 10, the driving mechanism 14 is arranged at one end of the circular connecting rod 10, and the driving mechanism 14 is rotatably connected to the inner wall of the circular groove 7. The spray assembly 2 is arranged on the circular connecting rod 10, the circular cylinder 113 and the circular block 114. The circular tube 110 is fixed to the circular connecting rod 10 by the second fixing mechanism 13 set above. The first fixing mechanism 12 is detached from the circular cylinder 113. The relevant personnel hold the circular connecting rod 10, and the driving mechanism 14 drives the circular cylinder 113 to rotate. The circular cylinder 113 drives the circular block 114 and a plurality of arc-shaped plates 1 11 rotates, the arc plate 111 drives the first gear 116 to rotate in the inner gear ring 115, so that the arc plate 111 drives the emery sponge 112 to fit the inner wall of the water heater inner tank 3, and then the circular tube 110 and the circular cylinder 113 are fixed by the first fixing mechanism 12, and the second fixing mechanism 13 releases the circular tube 110 from the circular connecting rod 10, and the driving mechanism 14 is used to drive the circular cylinder 113, the circular block 114, the arc plate 111 and the emery sponge 112 to rotate, so as to clean the scale on the inner wall of the water heater inner tank 3.

[0022] In this embodiment, specifically, the first fixing mechanism 12 includes two first bolts 120 and an annular fixing plate 121, wherein an annular groove 32 is provided on the inner wall of the circular tube body 110, and two first threaded through holes 9 are symmetrically provided at the other end of the circular tube body 110, the annular fixing plate 121 is arranged on the outer wall of the circular cylinder 113, and the outer wall of the annular fixing plate 121 is fitted with the inner wall of the annular groove 32, the outer wall of the annular fixing plate 121 is evenly provided with limiting through holes 8, and the outer walls of the two first bolts 120 are threadedly connected to the inner walls of the corresponding first threaded through holes 9, and the outer walls of the two first bolts 120 are fitted with the inner walls of the corresponding limiting through holes 8. Through the above arrangement, relevant personnel only need to rotate the first bolt 120 in the first threaded through hole 9 to the limiting through hole 8 on the annular fixing plate 121 to fix the circular tube body 110 to the circular cylinder 113.

[0023] In this embodiment, specifically, the second fixing mechanism 13 includes a fixing ring body 130 and two second bolts 131, wherein the outer wall of the fixing ring body 130 is arranged on the inner wall of the circular tube body 110, and the outer wall of the fixing ring body 130 is symmetrically provided with two second threaded through holes 31, the outer wall of the circular connecting rod 10 is evenly provided with limiting grooves 30, and the outer walls of the two second bolts 131 are fitted to the inner walls of the corresponding limiting grooves 30, and the outer walls of the two second bolts 131 are threadedly connected to the inner walls of the corresponding second threaded through holes 31. Through the above arrangement, the second bolts 131 are rotated in the second threaded through holes 31 to the limiting grooves 30 on the circular connecting rod 10, so that the positions of the circular tube body 110 and the circular connecting rod 10 are fixed.

[0024] In this embodiment, specifically, the driving mechanism 14 includes a servo motor 140, a second gear 141 and an outer gear ring 142, wherein the servo motor 140 is arranged at one end of the circular connecting rod 10, and the second gear 141 is arranged on the output shaft of the servo motor 140, the outer gear ring 142 is engaged with the second gear 141, and the outer gear ring 142 is rotatably connected to the inner wall of the circular groove 7, the spray assembly 2 passes through the outer gear ring 142, and the output shaft of the servo motor 140 set above drives the second gear 141 to rotate on the outer gear ring 142, and the outer gear ring 142 drives the circular cylinder 113 to rotate.

[0025] In this embodiment, specifically, the liquid spraying assembly 2 includes a circular tube 20 and a plurality of nozzles 21, wherein a circular cavity 6 is opened inside the circular block 114, and the plurality of nozzles 21 uniformly penetrate the outer wall of the circular block 114, the circular block 114 and the plurality of nozzles 21 are fixedly connected, and the plurality of nozzles 21 are connected to the interior of the circular cavity 6, one end of the circular tube 20 penetrates the circular connecting rod 10, and the circular tube 20 and the circular connecting rod 10 are fixedly connected, and one end of the circular tube 20 passes through the outer gear ring 14 2. One end of the circular tube 20 passes through the circular cylinder 113 and is rotatably connected. One end of the circular tube 20 passes through the circular block 114 and is rotatably connected. One end of the circular tube 20 is communicated with the interior of the circular cavity 6. Through the above arrangement, the descaling agent is transmitted to the circular cavity 6 through the circular tube 20, and the descaling agent in the circular cavity 6 is sprayed out through the nozzle 21. The nozzle 21 rotates with the circular block 114, so that the descaling agent is evenly sprayed into the water heater tank 3, thereby improving the effect of cleaning the scale in the water heater tank 3.

[0026] In this embodiment, specifically, handles 4 are evenly provided on the outer wall of the circular connecting rod 10 , and through the above arrangement, relevant personnel hold the handles 4 to fix the position of the circular connecting rod 10 .

[0027] In this embodiment, specifically, a rubber sleeve 5 is provided on the outer wall of the handle 4 , and the rubber sleeve 5 is provided to increase the comfort between the relevant personnel and the handle 4 .

[0028] When the present invention is in operation, the relevant personnel hold the handle 4 to drive the circular connecting rod 10 and the cleaning mechanism 11 to move into the water heater inner tank 3. When it is necessary to adjust the diamond sponge 112 to follow the water heater inner tank 3 with different inner diameters, the relevant personnel only needs to remove the first bolt 120 from the limiting through hole 8 on the annular fixing plate 121 to separate the circular tube 110 from the circular cylinder 113, and rotate the second bolt 131 in the second threaded through hole 31 to the limiting groove 30 on the circular connecting rod 10 to fix the position of the circular tube 110 and the circular connecting rod 10. The position of the inner gear ring 115 is fixed, and then the relevant personnel start the servo motor 140. The output shaft of the servo motor 140 drives the second gear 141 to rotate on the outer gear ring 142. The outer gear ring 142 drives the circular cylinder 113 to rotate. The circular cylinder 113 drives the circular block 114 to rotate. The circular block 114 drives several arc-shaped plates 111 to rotate. The arc-shaped plate 111 drives the first gear 116 to rotate in the inner gear ring 115, so that the arc-shaped plate 111 drives the emery sponge 112 to fit the inner wall of the water heater tank 3.

[0029] When it is necessary to drive the emery sponge 112 to rotate to clean the scale on the inner wall of the water heater tank 3, after turning off the servo motor 140, the relevant personnel only needs to rotate the first bolt 120 in the first threaded through hole 9 to the limiting through hole 8 on the annular fixing plate 121, so that the circular tube 110 and the circular cylinder 113 are fixed, and the second bolt 131 is rotated in the second threaded through hole 31 to move out of the limiting groove 30 on the circular connecting rod 10, so that the circular tube 110 and the circular connecting rod 10 are disengaged. The relevant personnel starts the servo motor 140, and the output of the servo motor 140 The output shaft drives the second gear 141 to rotate on the outer gear ring 142, the outer gear ring 142 drives the circular cylinder 113 to rotate, the circular cylinder 113 drives the circular block 114 to rotate, the circular block 114 drives several arc-shaped plates 111 to rotate, the arc-shaped plate 111 drives the emery sponge 112 to rotate on the inner wall of the water heater tank 3, and the relevant personnel hold the handle 4 to drive the circular connecting rod 10 and the cleaning mechanism 11 to move back and forth, so that the emery sponge 112 moves back and forth in the water heater tank 3, which is used to clean the scale in the water heater tank 3.

[0030] While cleaning the scale in the water heater tank 3, relevant personnel connect the circular tube 20 to the external pump body to transfer the descaling agent to the circular cavity 6 through the circular tube 20. The descaling agent in the circular cavity 6 is sprayed out through the nozzle 21. The nozzle 21 rotates following the circular block 114, so that the descaling agent is evenly sprayed into the water heater tank 3, thereby improving the effect of cleaning the scale in the water heater tank 3.

[0031] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various modifications and substitutions within the technical scope disclosed in the present invention, and such modifications and substitutions are intended to be within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be subject to the scope of protection of the claims.

Claims

1. A water heater inner tank scale cleaning device, comprising a cleaning component (1) and a liquid spraying component (2), characterized in that: The liquid spraying assembly (2) is arranged on the cleaning assembly (1), the outer wall of the cleaning assembly (1) is attached to the water heater inner tank (3), and the cleaning assembly (1) comprises a circular connecting rod (10), a cleaning mechanism (11), a first fixing mechanism (12), a second fixing mechanism (13) and a driving mechanism (14), wherein: The cleaning mechanism (11) is arranged on the circular connecting rod (10), and the driving mechanism (14) is respectively arranged on the circular connecting rod (10) and the cleaning mechanism (11); The first fixing mechanism (12) is arranged on the cleaning mechanism (11), and the second fixing mechanism (13) is respectively arranged on the circular connecting rod (10) and the cleaning mechanism (11).

2. The water heater inner tank scale cleaning device according to claim 1, characterized in that: The cleaning mechanism (11) comprises a circular tube (110), a plurality of arc-shaped plates (111), a plurality of diamond sponges (112), a circular cylinder (113), a circular block (114), an inner gear ring (115) and a plurality of first gears (116), wherein: A circular groove (7) is formed at one end of the circular cylinder (113), and the outer wall of the circular connecting rod (10) is rotatably connected to the inner wall of the circular groove (7); The inner wall of the circular tube (110) is rotatably connected to the outer wall of the circular cylinder (113), and the inner gear ring (115) is provided at one end of the circular tube (110); The circular block (114) is arranged at the other end of the circular cylinder (113), and a plurality of the arc-shaped plates (111) are evenly rotated and connected to the outer wall of the circular block (114); A plurality of the diamond sponges (112) are arranged on the corresponding arc-shaped plate (111), and the outer wall of the diamond sponge (112) is in contact with the inner wall of the water heater inner tank (3); A plurality of the first gears (116) are arranged on the outer wall of the corresponding arc-shaped plate (111), and the plurality of the first gears (116) are all meshed with the inner wall of the inner gear ring (115); The first fixing mechanism (12) is respectively arranged on the circular tube (110) and the circular column (113); and the second fixing mechanism (13) is respectively arranged on the circular tube (110) and the circular connecting rod (10); The driving mechanism (14) is arranged at one end of the circular connecting rod (10), and the driving mechanism (14) is rotatably connected to the inner wall of the circular groove (7); The liquid spraying components (2) are all arranged on the circular connecting rod (10), the circular cylinder (113) and the circular block (114).

3. The water heater inner tank scale cleaning device according to claim 2, characterized in that: The first fixing mechanism (12) comprises two first bolts (120) and an annular fixing plate (121), wherein: An annular groove (32) is provided on the inner wall of the circular tube (110), and two first threaded through holes (9) are symmetrically provided on the other end of the circular tube (110); The annular fixing plate (121) is arranged on the outer wall of the circular cylinder (113), and the outer wall of the annular fixing plate (121) is fitted to the inner wall of the annular groove (32); The outer wall of the annular fixing plate (121) is evenly provided with limiting through holes (8), and the outer walls of the two first bolts (120) are threadedly connected to the inner walls of the corresponding first threaded through holes (9), and the outer walls of the two first bolts (120) are fitted to the inner walls of the corresponding limiting through holes (8).

4. The water heater inner tank scale cleaning device according to claim 2, characterized in that: The second fixing mechanism (13) comprises a fixing ring (130) and two second bolts (131), wherein: The outer wall of the fixing ring body (130) is arranged on the inner wall of the circular tube body (110), and two second threaded through holes (31) are symmetrically opened on the outer wall of the fixing ring body (130); The outer wall of the circular connecting rod (10) is evenly provided with limiting grooves (30), and the outer walls of the two second bolts (131) are fitted to the inner walls of the corresponding limiting grooves (30), and the outer walls of the two second bolts (131) are threadedly connected to the inner walls of the corresponding second threaded through holes (31).

5. The water heater inner tank scale cleaning device according to claim 2, characterized in that: The driving mechanism (14) includes a servo motor (140), a second gear (141) and an outer gear ring (142), wherein: The servo motor (140) is arranged at one end of the circular connecting rod (10), and the second gear (141) is arranged on the output shaft of the servo motor (140); The outer gear ring (142) is meshed with the second gear (141), and the outer gear ring (142) is rotatably connected to the inner wall of the circular groove (7); The liquid spraying assembly (2) passes through the outer gear ring (142).

6. The water heater inner tank scale cleaning device according to claim 5, characterized in that: The liquid spraying assembly (2) comprises a circular tube (20) and a plurality of spray heads (21), wherein: A circular cavity (6) is provided inside the circular block (114), and a plurality of nozzles (21) uniformly penetrate the outer wall of the circular block (114); The circular block (114) and the plurality of nozzles (21) are fixedly connected, and the plurality of nozzles (21) are in communication with the interior of the circular cavity (6); One end of the circular tube (20) passes through the circular connecting rod (10), and the circular tube (20) and the circular connecting rod (10) are fixedly connected; One end of the circular tube (20) passes through the outer gear ring (142), and one end of the circular tube (20) passes through the circular cylinder (113) and is rotatably connected; One end of the circular tube (20) passes through the circular block (114) and is rotatably connected, and one end of the circular tube (20) is communicated with the interior of the circular cavity (6).

7. The water heater inner tank scale cleaning device according to claim 1, characterized in that: Handles (4) are evenly arranged on the outer wall of the circular connecting rod (10).

8. The water heater inner tank scale cleaning device according to claim 7, characterized in that: The outer wall of the handle (4) is provided with a rubber sleeve (5).

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