An anchor-type air-blowing impeller

By designing an anchor-type air-blowing agitator, the problems of blockage and uneven mixing caused by uncoordinated gas delivery in existing technologies are solved, achieving efficient gas delivery and mixing effects.

CN224573729UActive Publication Date: 2026-07-31BENGBU AIYOU NEW MATERIALS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
BENGBU AIYOU NEW MATERIALS CO LTD
Filing Date
2025-08-22
Publication Date
2026-07-31

AI Technical Summary

Technical Problem

Existing technologies lack coordination with gas delivery during the mixing process, resulting in cumbersome steps and a high risk of material blockage at the delivery port. Furthermore, the material and gas cannot be mixed evenly and thoroughly.

Method used

An anchor-type agitator was designed, which adopts a structure combining a main gas pipe and side gas pipes with inner and outer gas guide sleeves and a transmission sleeve. The gas flow and distribution are controlled by gas pressure to ensure uniform gas delivery in the reactor and to achieve sealing when there is no gas pressure, preventing material from entering.

Benefits of technology

This method achieves thorough and uniform gas delivery and mixing within the reactor, preventing blockages and improving work efficiency and mixing effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to an anchor-type agitator, belonging to the technical field of agitation equipment. It includes a main agitator pipe, with several side agitator pipes evenly distributed in a ring array connected to the lower outer periphery of the main agitator pipe. Each side agitator pipe has an L-shaped connecting pipe at its end. An inner agitator sleeve is sealed and fixedly fitted onto the upper end of the L-shaped connecting pipe and the lower end of the main agitator pipe. An outer agitator sleeve is slidably fitted onto the outer periphery of the inner agitator sleeve. Several first inner holes are evenly distributed in a ring array on the side wall of the inner agitator sleeve, and several first outer holes are evenly distributed in a ring array on the side wall of the outer agitator sleeve. The first outer holes and first inner holes correspond one-to-one, ensuring that the entire hollow structure can fully transport gas and cover all positions within the reactor, achieving both gas transport and uniform agitation in a simple and efficient manner.
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Description

Technical Field

[0001] This utility model relates to the field of mixing equipment technology, specifically to an anchor-type air-blowing mixing paddle. Background Technology

[0002] In chemical workshops, many chemical reactions need to be carried out in stirred tanks. Stirred tanks are equipped with stirrs that can agitate the reaction liquid inside the stirred tank to accelerate the reaction rate. In order to further increase the reaction rate, some stirrers have vent holes on their impeller blades to allow air to pass through while stirring, which further promotes the mixing of the reaction liquid and further increases the reaction rate.

[0003] Patent document CN208894013U discloses an anchor-type stirring paddle for rotating and stirring a mixture in a container. It includes: a stirring arm with a drive mechanism connected to one end, the drive mechanism driving the stirring arm to rotate; stirring blades disposed on the stirring arm for rotating and stirring the mixture in the container, the stirring blades having inclined surfaces and chamfers; and an anchor part disposed at the other end of the stirring arm for rotating and stirring the mixture at the bottom and sides of the container.

[0004] The existing technology and the above-mentioned device have the following shortcomings: the existing technology lacks coordination with the gas delivery during the stirring process, the steps are cumbersome, and it is easy for materials to enter the delivery port, causing blockage. In addition, the existing technology often results in the phenomenon that the materials and gases cannot be stirred evenly and fully mixed. Utility Model Content

[0005] The purpose of this invention is to address the aforementioned problems and shortcomings by providing an anchor-type air-blowing agitator, thereby improving overall work efficiency.

[0006] The technical problem solved by this utility model is:

[0007] (1) The existing technology lacks coordination with gas delivery during the mixing process, the steps are cumbersome, and it is easy for material to enter the delivery port, causing blockage;

[0008] (2) In the prior art, the material and gas often cannot be stirred evenly and fully mixed.

[0009] The objective of this utility model can be achieved through the following technical solution: An anchor-type agitator includes a main air pipe, and a number of side air pipes evenly distributed in a ring array are connected to the lower outer periphery of the main air pipe. Each side air pipe is connected to an L-shaped connecting pipe at its end. The upper end of the L-shaped connecting pipe and the lower end of the main air pipe are sealed and fixedly sleeved with an inner air sleeve. An outer air sleeve is slidably sleeved on the outer periphery of the inner air sleeve. A number of first inner holes evenly distributed in a ring array are opened on the side wall of the inner air sleeve, and a number of first outer holes evenly distributed in a ring array are opened on the side wall of the outer air sleeve. The first outer holes and the first inner holes correspond one-to-one.

[0010] Preferably, a first air guide hole is provided at the center of the end of the inner air guide sleeve, and a first spring is fixedly connected to the end of the inner air guide sleeve and to the outer periphery of the first air guide hole. The first spring is fixedly connected to the inner side wall of the end of the outer air guide sleeve.

[0011] Preferably, a sealing ring is fixedly connected to the end of the air guide sleeve away from the first spring. Each sealing ring is slidably sleeved on the outer periphery of its corresponding main air pipe or L-shaped connecting pipe, and the sealing ring maintains contact and sealing with the corresponding main air pipe or L-shaped connecting pipe.

[0012] Preferably, the distance between the sealing collar and the inner sleeve of the air guide is the same as the distance between the first inner hole and the corresponding first outer hole.

[0013] Preferably, a transmission sleeve is slidably sleeved on the inner side of the main air tube and the inner side of the side air tube. The side of the transmission sleeve closer to the air inlet is an open structure, and the side of the transmission sleeve away from the air inlet is a closed structure.

[0014] Preferably, the side wall of the transmission sleeve is provided with a number of second inner holes evenly distributed in a ring array, and the side wall of the main air pipe is provided with a number of second outer holes evenly distributed in a ring array, with the second outer holes corresponding one-to-one with the second inner holes.

[0015] Preferably, limit blocks are installed on both sides of the end face of the closed end of the transmission sleeve, and air guide blocks are clamped and slidably connected between each pair of limit blocks. Several second air guide holes are opened in the middle of the air guide blocks and arranged in parallel at equal intervals. Several third air guide holes are opened on the end face of the closed end of the transmission sleeve and arranged in parallel at equal intervals. The third air guide holes and the second air guide holes correspond one-to-one, and the straight line in which the second air guide holes are arranged is perpendicular to the straight edge of the limit block.

[0016] Preferably, a support plate is installed on the inner wall of the main air tube and the side air tube near the air guide slider. The support plate and the air guide slider correspond one-to-one. A second inclined block is installed on the opposite side of the two support plates. A first inclined block is installed on the opposite side of the two air guide sliders near the support plate. The first and second inclined blocks correspond one-to-one and their respective inclined surfaces abut against each other. The straight line where the first and second inclined blocks are located is perpendicular to the straight edge of the limiting block.

[0017] Preferably, positioning support blocks are installed on both sides of the other end face of the closed end of the transmission sleeve. The positioning support blocks and the air guide sliders correspond one-to-one. Several second springs are installed between the positioning support blocks and the corresponding air guide sliders, arranged in parallel at equal intervals. Limiting rings are installed on the inner sidewalls of the main air pipe and the side air pipes at positions away from the air guide sliders. The limiting rings abut against the open end of the transmission sleeve.

[0018] Preferably, the thickness of the first inclined block is equal to the distance between the second outer hole and the corresponding second inner hole, and the width of the first inclined block is equal to the distance between the second air guide hole and the corresponding third air guide hole. Several limiting grooves are provided on the outer peripheral side wall of the transmission sleeve and the inner peripheral side wall of the air guide sleeve. The inner peripheral side wall of the main air pipe, the inner peripheral side wall of the side air guide pipe, and the outer peripheral side wall of the air guide sleeve are all equipped with limiting strips that cooperate with the limiting grooves for sealing and sliding connection.

[0019] The beneficial effects of this utility model are as follows:

[0020] (1) During operation, the main gas pipe conducts the introduced gas to the side gas pipe and the installed gas inner sleeve respectively. Then, the gas outer sleeve and the gas inner sleeve are slidably connected to seal, so as to achieve the design state of opening when there is gas pressure and closing when there is no gas. When there is gas pressure, the first inner hole and the first outer hole are connected, so that the gas can be fully released into the reactor according to the distribution of the first outer hole. The transmission sleeve is subjected to gas pressure and moves itself, so that the second inner hole and the second outer hole are connected, so that the main gas pipe and the side gas pipe also perform the gas transmission process, so that the whole hollow structure can fully transport gas and cover all positions in the reactor, achieving the two effects of gas transportation and uniform stirring in a simple and efficient manner. When there is no gas pressure, the first outer hole automatically stops communicating with the first inner hole, so as to achieve full sealing and prevent the material from entering the reactor.

[0021] (2) During operation, when there is gas pressure in the inner sleeve of the gas guide, the gas passes through the first gas guide hole and pushes against the outer sleeve of the gas guide, causing the first spring to stretch and generate a reset force. After the outer sleeve of the gas guide moves, the first outer hole communicates with the first inner hole and guides the gas. The sealing is further maintained by the sealing ring, and the accurate communication between the first outer hole and the first inner hole is ensured by the contact between the sealing ring and the inner sleeve of the gas guide. When the gas pressure is lower than the design value, the spring force of the first spring causes the outer sleeve of the gas guide to reset. The first outer hole is sealed by the inner sleeve of the gas guide, and the first inner hole is sealed by the outer sleeve of the gas guide, thereby achieving a full seal, which can prevent reactants from entering and prevent blockage caused by accumulation.

[0022] (3) During operation, when the main air pipe and the side air pipe guide air, the transmission sleeve is subjected to air pressure and moves itself, so that the second inner hole and the second outer hole are connected. The first inclined block moves to both sides along the inclined surface of the second inclined block, so that the second air guide hole and the third air guide hole are connected, so that the gas can be continuously transported to the inner air guide sleeve, so that the entire hollow structure can be fully transported. When no gas is being transported, the elastic force of the first spring and the second spring causes the outer air guide sleeve and the transmission sleeve to quickly reset, so as to quickly cut off the connection between the first outer hole and the first inner hole, as well as the second outer hole and the second inner hole, achieving full sealing, rapid on / off and high gas transport efficiency. Attached Figure Description

[0023] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to the accompanying drawings.

[0024] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0025] Figure 2 This is a schematic diagram of the internal structure of the air guide outer sleeve of this utility model;

[0026] Figure 3 This is a schematic diagram of the internal structure of the main air tube of this utility model;

[0027] Figure 4 This is a schematic diagram of the end face structure of the transmission sleeve of this utility model;

[0028] In the diagram: 101, main air pipe; 102, side air pipe; 103, L-shaped connecting pipe; 104, inner air pipe sleeve; 105, outer air pipe sleeve; 106, first inner hole; 107, first outer hole; 108, first air guide hole; 109, first spring; 110, sealing collar; 111, transmission sleeve; 112, second outer hole; 113, second inner hole; 114, limiting block; 115, air guide slider; 116, second air guide hole; 117, third air guide hole; 118, first inclined block; 119, support plate; 120, second inclined block; 121, positioning support block; 122, second spring; 123, limiting groove; 124, limiting collar. Detailed Implementation

[0029] The specific embodiments of this utility model are described in detail below, but it should be understood that the protection scope of this utility model is not limited to the specific embodiments.

[0030] Please see Figure 1-4 As shown: An anchor-type agitator includes a main air pipe 101. The lower outer periphery of the main air pipe 101 is connected to several side air pipes 102 evenly distributed in a ring array. The end of each side air pipe 102 is connected to an L-shaped connecting pipe 103. The upper end of the L-shaped connecting pipe 103 and the lower outer periphery of the main air pipe 101 are sealed and fixedly sleeved with an inner air sleeve 104. The outer periphery of the inner air sleeve 104 is sealed and slidably sleeved with an outer air sleeve 105. The side wall of the inner air sleeve 104 is provided with several first inner holes 106 evenly distributed in a ring array. The side wall of the outer air sleeve 105 is provided with several first outer holes 107 evenly distributed in a ring array. The first outer holes 107 and the first inner holes 106 correspond one-to-one.

[0031] In this embodiment, the main gas pipe 101 conducts the introduced gas to the side gas pipe 102 and the installed inner gas pipe sleeve 104. Then, the outer gas pipe sleeve 105 and the inner gas pipe sleeve 104 are slidably connected to seal, thus achieving a design state where it is open when there is gas pressure and closed when there is no gas. When there is gas pressure, the first inner hole 106 and the first outer hole 107 are connected, so that the gas can be fully released into the reactor according to the distribution of the first outer hole 107, achieving sufficient aeration and stirring. When there is no gas pressure, the first outer hole 107 is automatically de-connected to the first inner hole 106, thereby achieving sufficient sealing and preventing the material from entering the reactor.

[0032] A first air guide hole 108 is provided at the center of the end of the inner air guide sleeve 104. A first spring 109 is fixedly connected to the end of the inner air guide sleeve 104 and to the outer periphery of the first air guide hole 108. The first spring 109 is fixedly connected to the inner side wall of the end of the outer air guide sleeve 105. A sealing ring 110 is fixedly connected to the end of the outer air guide sleeve 105 away from the first spring 109. Each sealing ring 110 is slidably sleeved on the outer periphery of the corresponding main air pipe 101 or L-shaped connecting pipe 103, and the sealing ring 110 and the corresponding main air pipe 101 or L-shaped connecting pipe 103 are in contact and sealed. The distance between the sealing ring 110 and the inner air guide sleeve 104 is the same as the distance between the first inner hole 106 and the corresponding first outer hole 107.

[0033] In this embodiment, when there is gas pressure in the inner gas guide sleeve 104, the gas passes through the first gas guide hole 108 and pushes against the outer gas guide sleeve 105, causing the first spring 109 to stretch and generate a restoring elastic force. After the outer gas guide sleeve 105 moves, the first outer hole 107 communicates with the first inner hole 106 and guides the gas. The sealing ring 110 further maintains the seal, and the contact between the sealing ring 110 and the inner gas guide sleeve 104 ensures accurate communication between the first outer hole 107 and the first inner hole 106. When the gas pressure is lower than the design value, the elastic force of the first spring 109 causes the outer gas guide sleeve 105 to reset. The first outer hole 107 is sealed by the inner gas guide sleeve 104, and the first inner hole 106 is sealed by the outer gas guide sleeve 105, thereby achieving a sufficient seal, which can prevent reactants from entering and prevent blockage caused by accumulation.

[0034] A transmission sleeve 111 is slidably sleeved on the inner side of the main air pipe 101 and the inner side of the side air pipe 102. The side of the transmission sleeve 111 near the air inlet is open, and the side away from the air inlet is closed. Several second inner holes 113 are evenly distributed in a ring array on the side wall of the transmission sleeve 111. Several second outer holes 112 are evenly distributed in a ring array on the side wall of the main air pipe 101. The second outer holes 112 correspond one-to-one with the second inner holes 113. Limiting blocks 114 are installed on both sides of the closed end face of 1. Each pair of limiting blocks 114 is clamped and slidably connected with an air guide slider 115. Several second air guide holes 116 are opened in the middle of the air guide slider 115 and are arranged in parallel at equal intervals. Several third air guide holes 117 are opened on the end face of the closed end of the transmission sleeve 111 and are arranged in parallel at equal intervals. The third air guide holes 117 and the second air guide holes 116 are in one-to-one correspondence, and the straight line in which the second air guide holes 116 are arranged is perpendicular to the straight edge of the limiting block 114.

[0035] Support plates 119 are installed on the inner walls of the main airway 101 and the side airway 102, near the air guide sliders 115. Each support plate 119 corresponds to one air guide slider 115. A second inclined block 120 is installed on the opposite side of each support plate 119. A first inclined block 118 is installed on the opposite side of each air guide slider 115, near the support plate 119. The first inclined block 118 and the second inclined block 120 correspond to each other, and their inclined surfaces abut against each other. The straight line containing the first inclined block 118 and the second inclined block 120 is perpendicular to... The straight edge of the limiting block 114 is perpendicular to each other. Positioning support blocks 121 are installed on both sides of the end face of the closed end of the transmission sleeve 111. The positioning support blocks 121 and the air guide sliders 115 correspond one-to-one. Several second springs 122 are installed between the positioning support blocks 121 and the corresponding air guide sliders 115, arranged at equal intervals. Limiting collars 124 are installed on the inner sidewalls of the main air pipe 101 and the side air pipe 102 at positions away from the air guide sliders 115. The limiting collars 124 abut against the open end of the transmission sleeve 111.

[0036] The thickness of the first inclined block 118 is equal to the distance between the second outer hole 112 and the corresponding second inner hole 113. The width of the first inclined block 118 is equal to the distance between the second air guide hole 116 and the corresponding third air guide hole 117. Several limiting grooves 123 are provided on the outer peripheral side wall of the transmission sleeve 111 and the inner peripheral side wall of the air guide outer sleeve 105. Limiting strips that cooperate with the limiting grooves 123 and slide in a sealed manner are installed on the inner peripheral side wall of the main air pipe 101, the inner peripheral side wall of the side air guide pipe 102 and the outer peripheral side wall of the air guide inner sleeve 104.

[0037] In this embodiment, when the main air pipe 101 and the side air pipe 102 are ventilating, the transmission sleeve 111 is subjected to air pressure and moves itself, connecting the second inner hole 113 and the second outer hole 112. This allows the main air pipe 101 and the side air pipe 102 to also undergo a ventilation process, thereby further improving the gas filling efficiency. When the transmission sleeve 111 moves forward, the first inclined block 118 moves to both sides along the inclined surface of the second inclined block 120, connecting the second air guide hole 116 and the third air guide hole 117. This allows gas to be continuously delivered to the inner gas guide sleeve 104, ensuring that the entire hollow structure can be fully gas-transported. When gas is not being delivered, the elastic force of the first spring 109 and the second spring 122 causes the outer gas guide sleeve 105 and the transmission sleeve 111 to quickly reset, thereby rapidly cutting off the connection between the first outer hole 107 and the first inner hole 106, as well as the second outer hole 112 and the second inner hole 113, achieving full sealing, rapid on / off switching, and high gas delivery efficiency.

[0038] In use, the main gas pipe 101 conducts the introduced gas to the side gas pipe 102 and the installed inner gas pipe sleeve 104. Then, the outer gas pipe sleeve 105 and the inner gas pipe sleeve 104 are slidably connected and sealed to achieve the design state of opening when there is gas pressure and closing when there is no gas. When there is gas pressure, the first inner hole 106 and the first outer hole 107 are connected, so that the gas can be fully released into the reactor according to the distribution of the first outer hole 107. The transmission sleeve 111 is moved by the gas pressure, so that the second inner hole 113 and the second outer hole 112 are connected, so that the main gas pipe 101 and the side gas pipe 102 are also ventilated. Thus, the entire hollow structure can fully transport gas and cover all positions in the reactor. It can achieve the two effects of gas transportation and uniform stirring in a simple and efficient way. When there is no gas pressure, the first outer hole 107 is automatically disconnected from the first inner hole 106, so as to achieve a full seal and prevent the material from entering the reactor.

[0039] During operation, when there is gas pressure in the inner gas guide sleeve 104, the gas passes through the first gas guide hole 108 and pushes against the outer gas guide sleeve 105, causing the first spring 109 to stretch and generate a reset force. After the outer gas guide sleeve 105 moves, the first outer hole 107 communicates with the first inner hole 106 and guides the gas. The sealing ring 110 further maintains the seal, and the contact between the sealing ring 110 and the inner gas guide sleeve 104 ensures accurate communication between the first outer hole 107 and the first inner hole 106. When the gas pressure is lower than the design value, the force of the first spring 109 causes the outer gas guide sleeve 105 to reset. The first outer hole 107 is sealed by the inner gas guide sleeve 104, and the first inner hole 106 is sealed by the outer gas guide sleeve 105, thereby achieving a full seal, which can prevent reactants from entering and prevent blockage caused by accumulation.

[0040] During operation, when the main air pipe 101 and the side air pipe 102 guide air, the transmission sleeve 111 is subjected to air pressure and moves itself, connecting the second inner hole 113 and the second outer hole 112. The first inclined block 118 moves to both sides along the inclined surface of the second inclined block 120, connecting the second air guide hole 116 and the third air guide hole 117, so that gas can be continuously delivered to the inner air guide sleeve 104, thus enabling the entire hollow structure to fully deliver gas. When no gas is being delivered, the elastic force of the first spring 109 and the second spring 122 causes the outer air guide sleeve 105 and the transmission sleeve 111 to quickly reset, thereby quickly cutting off the connection between the first outer hole 107 and the first inner hole 106, as well as the second outer hole 112 and the second inner hole 113, achieving full sealing, rapid on / off switching, and high gas delivery efficiency.

[0041] The above-disclosed embodiments are only a few specific examples of the present utility model. However, the embodiments of the present utility model are not limited thereto. Any changes that can be conceived by those skilled in the art should fall within the protection scope of the present utility model.

Claims

1. An anchor-type air agitation paddle, characterized by, The system includes a main air tube (101), and a number of side air tubes (102) evenly distributed in a ring array are connected to the lower outer periphery of the main air tube (101). Each side air tube (102) is connected to an L-shaped connecting pipe (103) at its end. The upper end of the L-shaped connecting pipe (103) and the lower end of the main air tube (101) are sealed and fixedly sleeved with an inner air tube (104). The outer periphery of the inner air tube (104) is sealed and slidably sleeved with an outer air tube (105). The side wall of the inner air tube (104) is provided with a number of first inner holes (106) evenly distributed in a ring array. The side wall of the outer air tube (105) is provided with a number of first outer holes (107) evenly distributed in a ring array. The first outer holes (107) and the first inner holes (106) correspond one-to-one.

2. An anchor-type aerator paddle as claimed in claim 1, characterized in that The inner sleeve (104) of the air guide has a first air guide hole (108) at its end center. A first spring (109) is fixedly connected to the end of the inner sleeve (104) and to the outer periphery of the first air guide hole (108). The first spring (109) is fixedly connected to the inner side wall of the end of the outer sleeve (105) of the air guide.

3. An anchor-type aerator paddle as claimed in claim 2, characterized in that The end of the air guide sleeve (105) away from the first spring (109) is sealed and fixedly connected with a sealing ring (110). Each sealing ring (110) is slidably sleeved on the outer periphery of the corresponding main air pipe (101) or L-shaped connecting pipe (103), and the sealing ring (110) and the corresponding main air pipe (101) or L-shaped connecting pipe (103) are kept in contact and sealed.

4. An anchor-type aerator paddle as claimed in claim 3, characterized in that The distance between the sealing ring (110) and the air guide inner sleeve (104) is the same as the distance between the first inner hole (106) and the corresponding first outer hole (107).

5. An anchor-type aerator paddle as claimed in claim 1, wherein, A transmission sleeve (111) is slidably sleeved on the inner side of the main air pipe (101) and the inner side of the side air pipe (102). The side of the transmission sleeve (111) closer to the air inlet is an open structure, and the side of the transmission sleeve (111) away from the air inlet is a closed structure.

6. An anchor-type aerator paddle as claimed in claim 5, characterized in that The transmission sleeve (111) has several second inner holes (113) evenly distributed in a ring array on its side wall, and the main air pipe (101) has several second outer holes (112) evenly distributed in a ring array on its side wall. The second outer holes (112) correspond one-to-one with the second inner holes (113).

7. An anchor-type aerator paddle as claimed in claim 6, characterized in that Limiting blocks (114) are installed on both sides of the closed end face of the transmission sleeve (111). Each pair of limiting blocks (114) is clamped and slidably connected with an air guide block (115). Several second air guide holes (116) are opened in the middle of the air guide block (115) and are arranged in parallel at equal intervals. Several third air guide holes (117) are opened on the closed end face of the transmission sleeve (111) and are arranged in parallel at equal intervals. The third air guide holes (117) correspond one-to-one with the second air guide holes (116), and the straight line in which the second air guide holes (116) are arranged is perpendicular to the straight edge of the limiting block (114).

8. An anchor-type aerator paddle as claimed in claim 7, characterized in that A support plate (119) is installed on the inner wall of the main air pipe (101) and the side air pipe (102) near the air guide slider (115). The support plate (119) and the air guide slider (115) correspond one-to-one. A second inclined block (120) is installed on the opposite side of the two support plates (119). A first inclined block (118) is installed on the opposite side of the two air guide sliders (115) near the side of the support plate (119). The first inclined block (118) and the second inclined block (120) correspond one-to-one and their respective inclined surfaces abut against each other. The straight line where the first inclined block (118) and the second inclined block (120) are located is perpendicular to the straight edge of the limiting block (114).

9. An anchor-type aerator paddle as claimed in claim 8, characterized in that Positioning support blocks (121) are installed on both sides of the closed end face of the transmission sleeve (111). The positioning support blocks (121) and the air guide sliders (115) correspond one-to-one. Several second springs (122) are installed between the positioning support blocks (121) and the corresponding air guide sliders (115) in a parallel arrangement at equal intervals. Limiting rings (124) are installed on the inner sidewalls of the main air pipe (101) and the side air pipes (102) at positions away from the air guide sliders (115). The limiting rings (124) abut against the open end of the transmission sleeve (111).

10. An anchor-type aerator paddle as claimed in claim 9, characterized in that The thickness of the first inclined block (118) is equal to the distance between the second outer hole (112) and the corresponding second inner hole (113). The width of the first inclined block (118) is equal to the distance between the second air guide hole (116) and the corresponding third air guide hole (117). Several limiting grooves (123) are provided on the outer peripheral sidewall of the transmission sleeve (111) and the inner peripheral sidewall of the air guide sleeve (105). The inner peripheral sidewall of the main air pipe (101), the inner peripheral sidewall of the side air guide pipe (102) and the outer peripheral sidewall of the air guide sleeve (104) are all equipped with limiting inserts that cooperate with the limiting grooves (123) for sealing and sliding connection.