Axial flow pump with function of reducing water thrust

Abstract

The utility model relates to the technical field of axial flow pumps, in particular to an axial flow pump with a water thrust reducing function, which comprises a first pump body, a convenient mounting mechanism is arranged on the surface of the first pump body and the surface of a mounting flange, and thrust reducing mechanisms are arranged on the surface of a rotating vane rod and the inner wall of a second pump body. And anti-blocking mechanisms are arranged on the inner wall of the second pump body and the surface of the screen body. According to the axial flow pump, the first pump body and the second pump body can be installed at the needed positions, the stability of the axial flow pump during installation is guaranteed, the axial flow pump can block weeds, garbage and other substances in water in time when used, the weeds, the garbage and other substances are prevented from being blocked in the first pump body and the second pump body, and the service life of the first pump body and the second pump body is prolonged. And when the axial flow pump is used, impact force and thrust of water can be reduced, water can be efficiently lifted when the axial flow pump is used, and the using effect of the axial flow pump is better.

Description

Technical Field

[0001] The utility model relates to the technical field of axial flow pumps, in particular to an axial flow pump with a function of reducing water thrust. Background Art

[0002] An axial flow pump is a pump that transports liquid along the axial direction by the force exerted by the blades of a rotating impeller on the liquid. It rotates in a tubular pump casing, and fixed guide vanes are installed on the pump casing above the impeller to eliminate the rotational motion of the liquid, converting it into axial motion, and converting the kinetic energy of the rotational motion into pressure energy. An axial flow pump with the function of reducing water thrust is now needed.

[0003] First, the axial flow pump needs to be installed before use. The installation steps of the existing axial flow pump are relatively cumbersome and inconvenient during installation, which makes it inconvenient to install the first pump body and the second pump body at the required position, and the stability of the axial flow pump during installation cannot be guaranteed; secondly, weeds and garbage are easily blocked inside the axial flow pump when in use. The existing axial flow pump usually does not have an anti-blocking function when in use, which makes it impossible to block weeds, garbage and other materials in the water in time when the axial flow pump is in use, and it is inconvenient to regularly replace the screen body and dredge it in time; thirdly, the axial flow pump needs to reduce the water thrust when in use, and the existing axial flow pump usually cannot reduce the water thrust when in use, which makes it impossible to efficiently lift water when the axial flow pump is in use, and reduces the use effect of the axial flow pump. Utility Model Content

[0004] The purpose of the utility model is to provide an axial flow pump with the function of reducing water thrust, so as to solve the problems proposed in the above background technology that the axial flow pump has complicated installation steps, is not convenient to install, usually does not have the anti-clogging function, and cannot reduce the water thrust.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an axial flow pump with a function of reducing water thrust, comprising a first pump body, a second pump body is arranged on the surface at the top position of the first pump body, a mounting flange is installed on the surface of the second pump body, the surface of the mounting flange is in contact with the surface of the first pump body, a water outlet pipe is installed on the surface at the bottom position of the first pump body, a water inlet pipe is installed on the surface of the second pump body, a fixed platform is installed on the surface at the top position of the second pump body, a driving motor is installed on the surface at the top position of the fixed platform, a rotating shaft body is installed on the output end of the driving motor through a coupling, one end of the rotating shaft body passes through the fixed platform and is installed with a rotating blade rod, one end of the rotating blade rod extends to the inside of the second pump body and the first pump body, and the rotating shaft body The body is respectively rotatably matched with the inner walls of the first pump body and the fixed platform, the interior of the second pump body is provided with a screen body for separating weeds and garbage, the screen body and the inner wall of the second pump body are slidably matched with each other, a filter is installed inside the first pump body, the surface of the first pump body and the mounting flange are provided with a convenient installation mechanism, the interior of the convenient installation mechanism includes a stable suction cup, a push-pull rod, a guide groove, a fastening stud and a nut body, the surface of the rotating blade rod and the inner wall of the second pump body are both provided with a thrust reducing mechanism, the thrust reducing mechanism is composed of a blade body, a shredder and a thrust reducing part, the inner wall of the second pump body and the surface of the screen body are both provided with an anti-blocking mechanism, the interior of the anti-blocking mechanism includes a fixing plate, a block body and an anti-blocking component.

[0006] Preferably, the surface of the mounting flange is threadedly connected with a fastening stud, one end of the fastening stud passes through the mounting flange and the first pump body in sequence and extends to the bottom of the first pump body, the surface of the fastening stud is threadedly sleeved with a nut body, the surface of the nut body fits with the surface of the first pump body, and the surface of the mounting flange is provided with a push-pull rod, one end of the push-pull rod passes through the mounting flange and the first pump body and extends to the interior of the first pump body.

[0007] Preferably, the interior of the first pump body is provided with a stabilizing suction cup for installing the first pump body and the second pump body, the top of the stabilizing suction cup is fixed to the bottom end of the push-pull rod, the surfaces of both sides of the push-pull rod are installed with guide blocks, and the inner wall of the first pump body is provided with a guide groove, and the guide groove and the surface of the guide block slide in cooperation with each other.

[0008] Preferably, the thrust reducing portion is arranged on the surface of the rotating blade rod and the inner wall of the second pump body, and the thrust reducing portion is composed of a scraper rod body, a fixing tube and a stretch spring. The surface of the rotating blade rod is installed with a blade body for reducing water thrust, and the surface of the rotating blade rod is installed with equidistant chopping knives.

[0009] Preferably, the shredder is located below the blade body, and fixed cylinders are installed on the surfaces of both sides of the rotating blade rod. A scraper rod body is provided on one side of the fixed cylinder, and one end of the scraper rod body extends to the interior of the fixed cylinder. The scraper rod body and the inner wall of the fixed cylinder are slidably matched with each other, and the surface of the scraper rod body is in contact with the inner wall of the second pump body.

[0010] Preferably, a block is installed on the surface of the scraper body, a groove is opened on the inner wall of the fixed cylinder, and the groove and the surface of the block are slidably matched with each other, and an extension spring is installed on the inner wall of the shredder knife, and one end of the extension spring is fixed to the surface of the scraper body.

[0011] Preferably, the anti-blocking component is arranged on the inner wall of the second pump body and the surface of the screen body, and the anti-blocking component is composed of a rotating plate body, a receiving groove and a fastening bolt. The inner wall of the second pump body is installed with a fixing plate, and the surface of the fixing plate is installed with a clamping block body. The surface of the clamping block body and the surface of the screen body are engaged with each other, and the inner wall of the second pump body is provided with a receiving groove.

[0012] Preferably, the inner wall of the receiving groove is provided with a rotating plate body, and the rotating plate body and the surface of the receiving groove are rotatably matched with each other, the surface of the rotating plate body is in contact with the surface of the screen body, and the surface of the rotating plate body is threadedly connected with a fastening bolt for installing the screen body on the inner wall of the second pump body, and one end of the fastening bolt passes through the rotating plate body and is threadedly fastened to the surface of the screen body.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the axial flow pump with the function of reducing water thrust not only enables the axial flow pump to be installed between the first pump body and the second pump body when in use, but also enables the first pump body and the second pump body to be installed at the desired position, thereby ensuring the stability of the axial flow pump when installed, and enables the axial flow pump to timely intercept weeds, garbage and other materials in the water when in use, thereby preventing weeds, garbage and other materials from being blocked inside the first pump body and the second pump body, and enables the screen body to be replaced regularly and cleared in time, and enables the axial flow pump to reduce the impact force and thrust of water when in use, thereby enabling the axial flow pump to efficiently lift water when in use, thereby achieving a better use effect of the axial flow pump;

[0014] 1. By providing a convenient installation mechanism, the user pushes the push-pull rod downward, so that the push-pull rod drives the stable suction cup inside the first pump body to move to contact the placement surface. At this time, the push-pull rod drives the guide block to slide inside the guide groove. Under the joint action of the guide groove and the guide block, the push-pull rod is guided. Under the action of the stable suction cup, the overall stability of the first pump body and the second pump body during installation is enhanced. Subsequently, the user places the fastening stud on the surface of the mounting flange, so that one end of the fastening stud moves to the bottom of the first pump body. Subsequently, the user rotates the nut body, and the second pump body is installed on the surface of the first pump body under the thread cooperation of the nut body and the fastening stud, thereby realizing the convenient installation function of the axial flow pump, so that the axial flow pump can be installed between the first pump body and the second pump body when in use. At the same time, the first pump body and the second pump body can be installed at the desired position, thereby ensuring the stability of the axial flow pump during installation;

[0015] 2. By providing an anti-blocking mechanism, the user loosens the fastening bolts on the surface of the rotating plate body, and then rotates the fastening bolts to remove the fastening bolts from the surface of the rotating plate body. Subsequently, the user rotates the rotating plate body so that the rotating plate body rotates on the inner wall of the receiving groove. At this time, the rotating plate body is away from the surface of the screen body. At this time, the rotating plate body moves to the inside of the rotating plate body. Subsequently, the user pulls the screen body. At this time, the screen body is away from the surfaces of the fixed plate and the block body, so that the screen body is pulled out from the inside of the second pump body, and the screen body is replaced, thereby realizing the anti-blocking function of the axial flow pump, so that the axial flow pump can timely block weeds, garbage and other substances in the water when in use, to prevent weeds, garbage and other substances from clogging the inside of the first pump body and the second pump body, and the screen body can be replaced regularly to dredge in time;

[0016] 3. By providing a thrust reducing mechanism, the rotating blade rod drives the chopping knife and the blade body to rotate inside the first pump body and the second pump body, and small-volume impurities are broken up by the action of the chopping knife. The thrust of water can be reduced under the action of the blade body. Subsequently, the scraper rod body is driven to slide inside the fixed cylinder under the elastic force of the extension spring inside the fixed cylinder, and the scraper rod body is driven to move to contact the inner wall of the second pump body under the elastic force of the extension spring. The silt on the inner wall of the second pump body is scraped off by the scraper rod body. At the same time, the water thrust inside the first pump body and the second pump body can be reduced, realizing the function of reducing water thrust of the axial flow pump, so that the impact force and thrust of water can be reduced when the axial flow pump is used, so that the axial flow pump can efficiently lift water when used, and the use effect of the axial flow pump is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2This is a schematic diagram of the main cross-sectional structure of the utility model;

[0019] Figure 3 For the utility model Figure 2 An enlarged structural diagram of the convenient installation mechanism;

[0020] Figure 4 For the utility model Figure 2 An enlarged structural diagram of the thrust reduction mechanism;

[0021] Figure 5 For the utility model Figure 2 Schematic diagram of the enlarged structure of the anti-blocking mechanism.

[0022] In the figure: 1. first pump body; 101. second pump body; 102. outlet pipe; 103. mounting flange; 104. inlet pipe; 105. fixing platform; 106. driving motor; 107. rotating shaft body; 108. rotating blade rod; 109. screen body; 110. filter screen; 2. convenient installation mechanism; 201. stable suction cup; 202. push-pull rod; 203. guide groove; 204. fastening stud; 205. nut body; 3. thrust reduction mechanism; 301. blade body; 302. chopping knife; 303. thrust reduction part; 3031. scraper rod body; 3032. fixing cylinder; 3033. extension spring; 4. anti-blocking mechanism; 401. fixing plate; 402. block body; 403. anti-blocking component; 4031. rotating plate body; 4032. receiving groove; 4033. fastening bolt. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0024] The utility model provides an axial flow pump with a function of reducing water thrust. Figure 1 and Figure 2As shown, it comprises a first pump body 1, a second pump body 101 is arranged on the surface at the top position of the first pump body 1, a mounting flange 103 is installed on the surface of the second pump body 101, and the surface of the mounting flange 103 contacts the surface of the first pump body 1, a water outlet pipe 102 is installed on the surface at the bottom position of the first pump body 1, a water inlet pipe 104 is installed on the surface of the second pump body 101, a fixing platform 105 is installed on the surface at the top position of the second pump body 101, and a driving motor 106 is installed on the surface at the top position of the fixing platform 105. The model of the driving motor 106 can be selected from the JO series, and the driving motor 106 can be selected from the JO series. A rotating shaft body 107 is installed at the output end of the motor 106 through a coupling. One end of the rotating shaft body 107 passes through the fixed platform 105 and is installed with a rotating blade rod 108. One end of the rotating blade rod 108 extends to the inside of the second pump body 101 and the first pump body 1. The rotating shaft body 107 rotates with the inner walls of the first pump body 1 and the fixed platform 105 respectively. A screen body 109 for separating weeds and garbage is provided inside the second pump body 101. The screen body 109 slides with the inner wall of the second pump body 101, and a filter screen 110 is installed inside the first pump body 1.

[0025] Furthermore, if Figure 2 and Figure 3 As shown, the surfaces of the first pump body 1 and the mounting flange 103 are provided with a convenient mounting mechanism 2, the interior of the convenient mounting mechanism 2 includes a stable suction cup 201, a push-pull rod 202, a guide groove 203, a fastening stud 204 and a nut body 205, the surface of the mounting flange 103 is threadedly connected with the fastening stud 204, one end of the fastening stud 204 sequentially penetrates the mounting flange 103 and the first pump body 1 and extends to the bottom of the first pump body 1, the surface of the fastening stud 204 is threadedly sleeved with a nut body 205, and the surface of the nut body 205 is connected to the surface of the first pump body 1 The surfaces of the mounting flange 103 are fitted together, and a push-pull rod 202 is provided on the surface thereof. One end of the push-pull rod 202 passes through the mounting flange 103 and the first pump body 1 and extends to the interior of the first pump body 1. The interior of the first pump body 1 is provided with a stabilizing suction cup 201 for mounting the first pump body 1 and the second pump body 101. The top of the stabilizing suction cup 201 is fixed to the bottom end of the push-pull rod 202. Guide blocks are installed on the surfaces of both sides of the push-pull rod 202. A guide groove 203 is provided on the inner wall of the first pump body 1, and the guide groove 203 and the surface of the guide block slide in cooperation with each other.

[0026] During implementation, the user pushes the push-pull rod 202 downward, so that the push-pull rod 202 drives the stabilizing suction cup 201 inside the first pump body 1 to move to contact the placement surface. At this time, the push-pull rod 202 drives the guide block to slide inside the guide groove 203, and the push-pull rod 202 is guided under the joint action of the guide groove 203 and the guide block. Under the action of the stabilizing suction cup 201, the overall stability of the first pump body 1 and the second pump body 101 during installation is enhanced. Subsequently, the user places the fastening stud 204 on the surface of the mounting flange 103, so that one end of the fastening stud 204 moves to the bottom of the first pump body 1. Subsequently, the user rotates the nut body 205, and installs the second pump body 101 on the surface of the first pump body 1 under the threaded cooperation of the nut body 205 and the fastening stud 204, which can facilitate the user to assemble the second pump body 101 and the first pump body 1 to realize the function of axial flow pump installation.

[0027] Furthermore, if Figure 2 and Figure 4 As shown, the surface of the rotating blade rod 108 and the inner wall of the second pump body 101 are both provided with a thrust reduction mechanism 3, the thrust reduction mechanism 3 is composed of a blade body 301, a shredder 302 and a thrust reduction portion 303, the thrust reduction portion 303 is arranged on the surface of the rotating blade rod 108 and the inner wall of the second pump body 101, the thrust reduction portion 303 is composed of a scraper rod body 3031, a fixing cylinder 3032 and a stretching spring 3033, the surface of the rotating blade rod 108 is installed with a blade body 301 for reducing water thrust, the surface of the rotating blade rod 108 is installed with equidistant shredders 302, the shredders 302 are located below the blade body 301, the rotating blade rod The surfaces of both sides of 108 are installed with fixed cylinders 3032, and a scraper rod body 3031 is provided on one side of the fixed cylinder 3032. One end of the scraper rod body 3031 extends to the inside of the fixed cylinder 3032. The scraper rod body 3031 and the inner wall of the fixed cylinder 3032 slide with each other. The surface of the scraper rod body 3031 contacts the inner wall of the second pump body 101. Blocks are installed on the surface of the scraper rod body 3031. The inner wall of the fixed cylinder 3032 is provided with grooves, and the surfaces of the grooves and the blocks slide with each other. An extension spring 3033 is installed on the inner wall of the shredder 302, and one end of the extension spring 3033 is fixed to the surface of the scraper rod body 3031.

[0028] During implementation, the rotating blade rod 108 drives the chopping knife 302 and the blade body 301 to rotate inside the first pump body 1 and the second pump body 101, and the small volume impurities are broken up by the action of the chopping knife 302, and the water thrust can be reduced by the action of the blade body 301. Subsequently, the scraper rod body 3031 is driven to slide inside the fixed cylinder 3032 by the elastic force of the extension spring 3033 inside the fixed cylinder 3032, and the scraper rod body 3031 is driven to move to contact the inner wall of the second pump body 101 by the elastic force of the extension spring 3033, and the silt on the inner wall of the second pump body 101 is scraped off by the scraper rod body 3031. At the same time, the water thrust inside the first pump body 1 and the second pump body 101 can be reduced to realize the function of reducing water thrust of the axial flow pump.

[0029] Furthermore, if Figure 2 and Figure 5 As shown, the inner wall of the second pump body 101 and the surface of the screen body 109 are both provided with an anti-blocking mechanism 4, the interior of the anti-blocking mechanism 4 includes a fixing plate 401, a block body 402 and an anti-blocking component 403, the anti-blocking component 403 is arranged on the inner wall of the second pump body 101 and the surface of the screen body 109, the anti-blocking component 403 is composed of a rotating plate body 4031, a receiving groove 4032 and a fastening bolt 4033, the inner wall of the second pump body 101 is installed with a fixing plate 401, the surface of the fixing plate 401 is installed with a block body 402, the block body 402 and the screen body The surfaces of 109 are snap-fitted to each other, and the inner wall of the second pump body 101 is provided with a receiving groove 4032, and the inner wall of the receiving groove 4032 is provided with a rotating plate body 4031, and the surfaces of the rotating plate body 4031 and the receiving groove 4032 are rotatably matched with each other, and the surface of the rotating plate body 4031 is in contact with the surface of the screen body 109, and the surface of the rotating plate body 4031 is threadedly connected with a fastening bolt 4033 for installing the screen body 109 on the inner wall of the second pump body 101, and one end of the fastening bolt 4033 passes through the rotating plate body 4031 and is threadedly fastened to the surface of the screen body 109.

[0030] During implementation, loosen the fastening bolt 4033 on the surface of the turn plate body 4031, and the user then rotates the fastening bolt 4033 to remove the fastening bolt 4033 from the surface of the turn plate body 4031. Subsequently, the user rotates the turn plate body 4031 so that the turn plate body 4031 rotates on the inner wall of the receiving groove 4032. At this time, the turn plate body 4031 is away from the surface of the screen body 109. At this time, the turn plate body 4031 moves to the inside of the turn plate body 4031. Subsequently, the user pulls the screen body 109. At this time, the screen body 109 is away from the surfaces of the fixed plate 401 and the block body 402, thereby pulling the screen body 109 out from the inside of the second pump body 101, and replacing the screen body 109 to realize the anti-blocking function of the axial flow pump.

[0031] Working principle: When in use, first place the first pump body 1 at the designated position, and the user places the second pump body 101 on top of the first pump body 1. At this time, the second pump body 101 drives the bottom of the mounting flange 103 to move to contact the surface of the first pump body 1. Then, the user pushes the push-pull rod 202 downward, so that the push-pull rod 202 drives the stabilizing suction cup 201 inside the first pump body 1 to move to contact the placement surface. At this time, the push-pull rod 202 drives the guide block to slide inside the guide groove 203. Under the joint action of the guide groove 203 and the guide block, the push-pull rod 202 is guided, and the integrity of the first pump body 1 and the second pump body 101 during installation is enhanced under the action of the stabilizing suction cup 201. The user then places the fastening stud 204 on the surface of the mounting flange 103 so that one end of the fastening stud 204 moves to the bottom of the first pump body 1. The user then rotates the nut body 205 and mounts the second pump body 101 on the surface of the first pump body 1 with the threaded cooperation between the nut body 205 and the fastening stud 204. This allows the user to conveniently assemble the second pump body 101 and the first pump body 1 to achieve the convenient installation function of the axial flow pump, so that the axial flow pump can be installed between the first pump body 1 and the second pump body 101 when in use. At the same time, the first pump body 1 and the second pump body 101 can be installed at the desired positions, thereby ensuring the stability of the axial flow pump during installation.

[0032] Subsequently, water enters the interior of the second pump body 101 through the water inlet pipe 104, and impurities such as weeds and garbage in the water are separated by the action of the screen body 109, and the impurities in the water are filtered again by the action of the filter screen 110. Subsequently, the fastening bolts 4033 on the surface of the rotating plate body 4031 are loosened, and the user rotates the fastening bolts 4033 to remove the fastening bolts 4033 from the surface of the rotating plate body 4031. Subsequently, the user rotates the rotating plate body 4031 so that the rotating plate body 4031 rotates on the inner wall of the receiving groove 4032. At this time, the rotating plate body 4031 is away from the surface of the screen body 109. , the rotating plate body 4031 moves to the inside of the rotating plate body 4031, and then the user pulls the screen body 109. At this time, the screen body 109 is away from the surface of the fixed plate 401 and the block body 402, so that the screen body 109 is pulled out from the inside of the second pump body 101, and the screen body 109 is replaced to realize the anti-blocking function of the axial flow pump, so that the axial flow pump can be used to block weeds, garbage and other materials in the water in time to avoid weeds, garbage and other materials from clogging the inside of the first pump body 1 and the second pump body 101, and the screen body 109 can be replaced regularly to clear the blockage in time.

[0033] Subsequently, the user controls the driving motor 106 to work, and the driving motor 106 drives the shaft body 107 to rotate inside the fixed platform 105. When the shaft body 107 rotates, the shaft body 107 drives the rotating blade rod 108 to rotate inside the second pump body 101 and the first pump body 1. When the rotating blade rod 108 rotates, the rotating blade rod 108 drives the shredder 302 and the blade body 301 to rotate inside the first pump body 1 and the second pump body 101. Under the action of the shredder 302, small-volume impurities are crushed, and under the action of the blade body 301, the thrust of the water can be reduced. Subsequently, the extension inside the fixed cylinder 3032 The elastic force of the spring 3033 drives the scraper rod body 3031 to slide inside the fixed cylinder 3032, and the elastic force of the extension spring 3033 drives the scraper rod body 3031 to move to contact the inner wall of the second pump body 101. The silt on the inner wall of the second pump body 101 is scraped off by the scraper rod body 3031. At the same time, the water thrust inside the first pump body 1 and the second pump body 101 can be reduced to realize the function of the axial flow pump to reduce the water thrust, so that the impact force and thrust of the water can be reduced when the axial flow pump is in use, so that the axial flow pump can efficiently lift water when in use, and the use effect of the axial flow pump is better, and finally the use of the axial flow pump is completed.

[0034] 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 essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, 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 be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An axial flow pump with a water thrust reduction function, comprising a first pump body (1), Features: A second pump body (101) is arranged on the surface at the top position of the first pump body (1), a mounting flange (103) is installed on the surface of the second pump body (101), the surface of the mounting flange (103) is in contact with the surface of the first pump body (1), a water outlet pipe (102) is installed on the surface at the bottom position of the first pump body (1), a water inlet pipe (104) is installed on the surface of the second pump body (101), a fixing platform (105) is installed on the surface at the top position of the second pump body (101), and the fixing platform (105) is installed on the surface of the fixing platform (105). 05) is provided with a driving motor (106) mounted on the surface at the top position, and a rotating shaft body (107) is mounted on the output end of the driving motor (106) via a coupling, one end of the rotating shaft body (107) passes through the fixed platform (105) and is provided with a rotating blade rod (108), one end of the rotating blade rod (108) extends to the inside of the second pump body (101) and the first pump body (1), and the rotating shaft body (107) is respectively rotatably matched with the inner wall of the first pump body (1) and the fixed platform (105), and the second pump body A screen body (109) for separating weeds and garbage is arranged inside the pump body (101), and the screen body (109) and the inner wall of the second pump body (101) are slidably matched with each other. A filter screen (110) is installed inside the first pump body (1), and a convenient installation mechanism (2) is arranged on the surface of the first pump body (1) and the installation flange (103). The interior of the convenient installation mechanism (2) includes a stabilizing suction cup (201), a push-pull rod (202), a guide groove (203), a fastening stud (204) and a screw. The mother body (205), the surface of the rotating blade rod (108) and the inner wall of the second pump body (101) are both provided with a thrust reduction mechanism (3), the thrust reduction mechanism (3) is composed of a blade body (301), a chopping knife (302) and a thrust reduction part (303), the inner wall of the second pump body (101) and the surface of the screen body (109) are both provided with an anti-blocking mechanism (4), the interior of the anti-blocking mechanism (4) includes a fixing plate (401), a block body (402) and an anti-blocking component (403).

2. An axial flow pump with a water thrust reduction function according to claim 1, Features: The surface of the mounting flange (103) is threadedly connected with a fastening stud (204), one end of which passes through the mounting flange (103) and the first pump body (1) in sequence and extends to the bottom of the first pump body (1), the surface of the fastening stud (204) is threadedly sleeved with a nut body (205), the surface of the nut body (205) is in contact with the surface of the first pump body (1), and the surface of the mounting flange (103) is provided with a push-pull rod (202), one end of which passes through the mounting flange (103) and the first pump body (1) and extends to the inside of the first pump body (1).

3. An axial flow pump with a water thrust reduction function according to claim 1, Features: The first pump body (1) is provided with a stabilizing suction cup (201) for installing the first pump body (1) and the second pump body (101), the top end of the stabilizing suction cup (201) is fixed to the bottom end of the push-pull rod (202), the surfaces on both sides of the push-pull rod (202) are installed with guide blocks, the inner wall of the first pump body (1) is provided with a guide groove (203), and the guide groove (203) and the surface of the guide block are slidably matched with each other.

4. An axial flow pump with a water thrust reduction function according to claim 1, Features: The thrust reducing portion (303) is arranged on the surface of the rotating blade rod (108) and the inner wall of the second pump body (101), and the thrust reducing portion (303) is composed of a scraper rod body (3031), a fixing tube (3032) and a stretching spring (3033). The surface of the rotating blade rod (108) is installed with a blade body (301) for reducing water thrust, and the surface of the rotating blade rod (108) is installed with shredders (302) at equal intervals.

5. An axial flow pump with a water thrust reduction function according to claim 4, Features: The chopping knife (302) is located below the blade body (301), and the surfaces of both sides of the rotating blade rod (108) are both installed with a fixed cylinder (3032), and a scraper rod body (3031) is provided on one side of the fixed cylinder (3032), and one end of the scraper rod body (3031) extends to the inside of the fixed cylinder (3032), and the scraper rod body (3031) and the inner wall of the fixed cylinder (3032) are slidably matched with each other, and the surface of the scraper rod body (3031) is in contact with the inner wall of the second pump body (101).

6. An axial flow pump with a water thrust reduction function according to claim 5, Features: The surface of the scraper rod body (3031) is installed with a block, the inner wall of the fixed cylinder (3032) is provided with a groove, and the groove and the surface of the block are slidably matched with each other, and the inner wall of the shredder (302) is installed with an extension spring (3033), and one end of the extension spring (3033) is fixed to the surface of the scraper rod body (3031).

7. An axial flow pump with a water thrust reduction function according to claim 1, Features: The anti-blocking component (403) is arranged on the inner wall of the second pump body (101) and the surface of the screen body (109). The anti-blocking component (403) is composed of a rotating plate body (4031), a receiving groove (4032) and a fastening bolt (4033). The inner wall of the second pump body (101) is installed with a fixing plate (401), and the surface of the fixing plate (401) is installed with a clamping block body (402). The clamping block body (402) and the surface of the screen body (109) are mutually engaged, and the inner wall of the second pump body (101) is provided with a receiving groove (4032).

8. An axial flow pump with a water thrust reduction function according to claim 7, Features: The inner wall of the receiving groove (4032) is provided with a rotating plate body (4031), and the rotating plate body (4031) and the surface of the receiving groove (4032) are rotatably matched with each other, and the surface of the rotating plate body (4031) is in contact with the surface of the screen body (109), and the surface of the rotating plate body (4031) is threadedly connected with a fastening bolt (4033) for mounting the screen body (109) on the inner wall of the second pump body (101), and one end of the fastening bolt (4033) passes through the rotating plate body (4031) and is threadedly fastened to the surface of the screen body (109).

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