CN115875271A - Low-noise mixed flow pump with flow guide device - Google Patents

Abstract

The invention relates to the technical field of mixed flow pumps, and discloses a low-noise mixed flow pump with a flow guide device, which comprises a rope fixing block, wherein the bottom of the rope fixing block is fixedly connected with a sound-proof housing, the middle of the top of the sound-proof housing is fixedly connected with a handle, the bottom of the sound-proof housing is fixedly connected with a base, the bottom of the base is fixedly connected with four moving devices, one side of the top of the base is fixedly connected with a motor device, one side of the motor device is fixedly connected with a fixing device, one side of the fixing device is fixedly connected with a pump body, one side of the pump body is fixedly connected with a water inlet pipe, the inside of the water inlet pipe is fixedly connected with a filtering device, the front side of the pump body is fixedly connected with a water outlet pipe, and the inside of the water outlet pipe is fixedly connected with a flow guide valve.

Description

Low-noise mixed flow pump with flow guide device

Technical Field

The invention relates to the technical field of mixed flow pumps, in particular to a low-noise mixed flow pump with a flow guide device.

Background

The mixed flow pump is a pump made of corrosion-resistant materials, is used for conveying clean, pollution, chemically neutral or corrosive media, is a pump between a centrifugal pump and an axial flow pump, has the specific rotating speed higher than that of the centrifugal pump and lower than that of the axial flow pump, generally ranges from 300 to 500, has the lift higher than that of the axial flow pump, and has the flow rate smaller than that of the axial flow pump and larger than that of the centrifugal pump.

When the mixed flow pump works, a prime mover of the mixed flow pump can drive fan blades to rotate, the centrifugal pump and an axial flow pump have centrifugal force and axial thrust, the mixed flow pump is a comprehensive pump of the centrifugal pump and the axial flow pump, and liquid obliquely flows out of an impeller, so that the mixed flow pump is a pump between the centrifugal pump and the axial flow pump and is mainly used for forced circulation in a chemical process, mariculture, urban gas engineering and a water treatment system.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, the present invention provides a low noise mixed flow pump with a flow guiding device, which solves the above-mentioned problems of the prior art.

The invention provides the following technical scheme: the utility model provides a low noise mixed flow pump with guiding device, includes the rope fixed block, the bottom fixedly connected with sound-proof housing of rope fixed block, the middle fixedly connected with handle at sound-proof housing top, the bottom fixedly connected with base of sound-proof housing, four mobile device of bottom fixedly connected with of base, one side fixedly connected with motor device at base top, one side fixedly connected with fixing device of motor device, one side fixedly connected with pump body of fixing device, one side fixedly connected with inlet tube of the pump body, the inside fixedly connected with filter equipment of inlet tube, the front side fixedly connected with outlet pipe of the pump body, the inside fixedly connected with diverter valve of outlet pipe.

Further, the sound-proof housing includes first sound-proof housing, one side fixedly connected with second sound-proof housing and the third sound-proof housing of first sound-proof housing, two fixed covers of the outside fixedly connected with of first sound-proof housing, second sound-proof housing and third sound-proof housing, two sound-proof housing fixing bolt of the equal fixedly connected with in both sides of the fixed cover of sound-proof housing, the inside of first sound-proof housing and second sound-proof housing all is equipped with the fixed screw of sound-proof housing.

Further, the base includes the base main part, the top of base main part is equipped with the sound-proof cover groove, the inside of base main part is equipped with four base fixed slots, the equal fixedly connected with base bolt in both sides of base main part.

Further, the mobile device includes the removal bolt, the bottom fixedly connected with of removal bolt removes the fixed block, the inside swing joint that removes the fixed block has the removal turning block, the inboard fixedly connected with of removal turning block removes the axle, the outside swing joint that removes the axle has the removal wheel.

Further, the handle includes the handle main part, the equal swing joint in both sides of handle main part has the handle to rotate the post, two the equal fixedly connected with handle fixed block in both sides of handle rotation post.

Further, the filtering device comprises a filtering device main body, and a plurality of filtering holes are formed in the filtering device main body.

Further, the motor device includes that the motor falls the shell of making an uproar, the bottom fixedly connected with motor fixing base of the shell of making an uproar falls in the motor, two motor bases of bottom fixedly connected with of motor fixing base, the inside fixedly connected with motor sound insulation shell of the shell of making an uproar falls in the motor, the inside fixedly connected with motor of the shell that gives sound insulation of motor, one side fixedly connected with motor shaft of motor, one side fixedly connected with flabellum connecting block of motor shaft, a plurality of flabellums of outside fixedly connected with of flabellum connecting block.

Furthermore, fixing device includes the protective housing, the inside fixedly connected with two fixed plates of protective housing, two the inside fixedly connected with shaft coupling of fixed plate.

Furthermore, the diversion valve comprises a diversion handle, a diversion rotating shaft is fixedly connected to the bottom of the diversion handle, a diversion rotating block is fixedly connected to the bottom of the diversion rotating shaft, a diversion valve body is movably connected to the outer side of the diversion rotating block, and a diversion sealing block is movably connected to the outer side of the diversion rotating block.

Further, the pump body includes pump body main part, the bottom fixedly connected with pump body base of pump body main part, one side of pump body main part is equipped with the water inlet, the opposite side of pump body main part is equipped with pump body pivot mouth, the outside of pump body main part is equipped with the delivery port.

The invention has the technical effects and advantages that:

1. the sound-proof cover is arranged, so that sound insulation is facilitated, a certain protection effect is achieved, the working environment is quieter, the interior of the mixed flow pump can be prevented from being damaged under the collision of foreign objects, and the normal operation of the mixed flow pump can be guaranteed.

2. The moving device is arranged, so that the mixed flow pump can move conveniently, and can be detached, and a user can mount and detach the mixed flow pump according to different conditions.

3. The invention is beneficial to controlling the flow by arranging the diversion valve, is simple to use, can divert the flow and can randomly control the flow.

Drawings

Fig. 1 is a schematic view of the overall structure of the mixed flow pump of the present invention.

Fig. 2 is a schematic sectional structure of the mixed flow pump of the present invention.

Fig. 3 is a schematic view of the overall structure of the soundproof cover of the present invention.

Fig. 4 is a schematic view of the overall structure of the base of the present invention.

Fig. 5 is a schematic cross-sectional view of a mobile device according to the present invention.

Fig. 6 is a schematic view of the overall structure of the handle of the present invention.

Fig. 7 is a schematic view of the overall structure of the filter device of the present invention.

Fig. 8 is a schematic cross-sectional structure diagram of the motor device of the present invention.

Fig. 9 is a schematic view of the overall structure of the fixing device of the present invention.

Fig. 10 is a schematic cross-sectional view of a diverter valve according to the present invention.

Fig. 11 is a schematic view of the overall structure of the flow guide closing block of the present invention.

Fig. 12 is a schematic sectional view of the pump body according to the present invention.

The reference signs are: 1. a rope fixing block; 2. a sound-proof housing; 201. a first sound-proof housing; 202. a second sound-proof housing; 203. a third sound-proof housing; 204. a sound-proof cover fixing sleeve; 205. a soundproof cover fixing bolt; 206. fixing screw holes of the sound-proof cover; 3. a base; 301. a base body; 302. a sound-proof housing groove; 303. a base fixing groove; 304. a base bolt; 4. a mobile device; 401. moving the bolt; 402. moving the fixed block; 403. moving the turning block; 404. a moving wheel; 405. a movable shaft; 5. a handle; 501. a handle main body; 502. a handle fixing block; 503. a handle rotation post; 6. a water outlet pipe; 7. a water inlet pipe; 8. a filtration device; 801. a filter device body; 802. a filtration pore; 9. a motor device; 901. a motor noise reduction shell; 902. a motor sound insulation shell; 903. a motor; 904. a motor shaft; 905. a fan blade connecting block; 906. a fan blade; 907. a motor fixing seat; 908. a motor base; 10. a fixing device; 1001. a protective shell; 1002. a coupling; 1003. a fixing plate; 11. a diverter valve; 1101. a flow guide handle; 1102. a diversion rotating shaft; 1103. a diversion turning block; 1104. a flow guide valve body; 1105. a flow guide sealing block; 12. a pump body; 1201. a pump body; 1202. a water inlet; 1203. a pump body base; 1204. a water outlet; 1205. the pump body is pivoted axle mouth.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and the forms of the respective structures described in the following embodiments are merely examples, and the low noise mixed flow pump having a guide device according to the present invention is not limited to the respective structures described in the following embodiments, and all other embodiments obtained by those skilled in the art without any inventive work fall within the scope of the present invention.

Referring to fig. 1-10, the present invention provides a low noise mixed flow pump with a flow guide device, including a rope fixing block 1, a sound-proof housing 2 is fixedly connected to the bottom of the rope fixing block 1, a handle 5 is fixedly connected to the middle of the top of the sound-proof housing 2, a base 3 is fixedly connected to the bottom of the sound-proof housing 2, four moving devices 4 are fixedly connected to the bottom of the base 3, a motor device 9 is fixedly connected to one side of the top of the base 3, a fixing device 10 is fixedly connected to one side of the motor device 9, a pump body 12 is fixedly connected to one side of the fixing device 10, a water inlet pipe 7 is fixedly connected to one side of the pump body 12, a filter device 8 is fixedly connected to the inside of the water inlet pipe 7, a water outlet pipe 6 is fixedly connected to the front side of the pump body 12, a flow guide valve 11 is fixedly connected to the inside of the water outlet pipe 6, the rope fixing block 1 is used for fixing a rope, so that a user can move the mixed flow pump by pulling the rope, the mixed flow pump is convenient for the user to move the mixed flow pump, the water outlet pipe 6 is used for the liquid to flow to enter, and the water inlet pipe 7 is used for the liquid to enter.

In a preferred embodiment, the soundproof housing 2 includes a first soundproof housing 201, a second soundproof housing 202 and a third soundproof housing 203 are fixedly connected to one side of the first soundproof housing 201, two soundproof housing fixing covers 204 are fixedly connected to outer sides of the first soundproof housing 201, the second soundproof housing 202 and the third soundproof housing 203, two soundproof housing fixing bolts 205 are fixedly connected to both sides of the two soundproof housing fixing covers 204, soundproof housing fixing screw holes 206 are formed in the first soundproof housing 201 and the second soundproof housing 202, the first soundproof housing 201, the second soundproof housing 202 and the third soundproof housing 203 are fixed together by the soundproof housing fixing covers 204, and the first soundproof housing 201, the second soundproof housing 202 and the third soundproof housing 203 can be closely attached together, so that soundproof effect is better, and there is certain safeguard function, when receiving the collision of foreign object, it can make the mixed flow pump of inside can not receive the injury, guarantee going on work that the mixed flow pump can be normal, and can block the dust, make the dust can not fall the surface of mixed flow pump, guarantee the cleanness of mixed flow pump, can not receive the erosion of dust, make it fixed more stable through the fixing of sound-proof housing fixing bolt 205, through unscrewing sound-proof housing fixing bolt 205 and base bolt 304, can make the fixed cover 204 of sound-proof housing can be taken out, and then make first sound-proof housing 201, second sound-proof housing 202 and third sound-proof housing 203 can take out, the installation is simple with the dismantlement, be convenient for overhaul the mixed flow pump, practice thrift the time of overhauing, make the efficiency of work promote.

In a preferred embodiment, the base 3 includes a base main body 301, a soundproof cover groove 302 is provided on the top of the base main body 301, four base fixing grooves 303 are provided inside the base main body 301, base bolts 304 are fixedly connected to both sides of the base main body 301, the soundproof cover groove 302 is used for placing the soundproof cover 2, the base bolts 304 are used for fixing the soundproof cover 2, so that the soundproof cover 2 cannot move up and down, and is further fixed, the soundproof cover 2 after being attached is placed in the soundproof cover groove 302 of the base 3, and can be fixed by the soundproof cover fixing screw holes 206 using the base bolts 304, the base fixing grooves 303 are used for fixing the base 3, and the bolts pass through the base fixing grooves 303 and are fixed on the ground, so that the base 3 is fixed on the ground.

In a preferred embodiment, the moving device 4 includes a moving bolt 401, a moving fixed block 402 is fixedly connected to the bottom of the moving bolt 401, a moving rotating block 403 is movably connected to the inside of the moving fixed block 402, a moving shaft 405 is fixedly connected to the inside of the moving rotating block 403, a moving wheel 404 is movably connected to the outside of the moving shaft 405, the moving wheel 404 can rotate on the outside of the moving shaft 405, the moving wheel 404 can move by rotating, the moving rotating block 403 can rotate inside the moving fixed block 402, so that the moving block can turn when moving, and the moving block can be used by a user conveniently, the moving bolt 401 is used for fixing the moving device 4, the moving device 4 can be fixed to the bottom of the base 3 by the moving bolt 401, and the detaching is facilitated, the moving bolt 401 can be moved inside the base 3 by screwing the moving device 4, and the user can mount the moving bolt according to the situation. When it needs to be moved, the movable bolt 401 can be used to fix the base 3 at the bottom of the base 3, and then the base 3 can be moved, and when the base 3 needs to be fixed on the ground, the movable device 4 only needs to be screwed out to fix the base 3.

In a preferred embodiment, the handle 5 comprises a handle body 501, handle rotating columns 503 are movably connected to two sides of the inside of the handle body 501, handle fixing blocks 502 are fixedly connected to two sides of the two handle rotating columns 503, the handle body 501 can rotate on the outer sides of the handle rotating columns 503, and therefore the handle body 501 can be folded and taken out, a user can hold the handle body to move the handle body conveniently, and the space occupied by the mixed flow pump can be saved by folding the handle body when the mixed flow pump is not used.

In a preferred embodiment, the filtering device 8 includes a filtering device main body 801, a plurality of filtering holes 802 are formed inside the filtering device main body 801, and the filtering device 8 can filter the liquid, so that the excessive impurities in the liquid are filtered out, and are prevented from entering the pump body 12 and colliding with the fan blades 906, thereby causing the fan blades 906 to be damaged and affecting the normal use of the mixed flow pump.

In a preferred embodiment, the motor device 9 includes a motor noise reduction shell 901, a motor fixing seat 907 is fixedly connected to the bottom of the motor noise reduction shell 901, two motor bases 908 are fixedly connected to the bottom of the motor fixing seat 907, a motor sound insulation shell 902 is fixedly connected to the inside of the motor noise reduction shell 901, a motor 903 is fixedly connected to the inside of the motor sound insulation shell 902, a motor rotating shaft 904 is fixedly connected to one side of the motor rotating shaft 904, a fan blade connecting block 905 is fixedly connected to one side of the motor rotating shaft 904, a plurality of fan blades 906 are fixedly connected to the outer side of the fan blade connecting block 905, the motor noise reduction shell 901 and the motor sound insulation shell 902 can isolate noise generated by operation of the motor 903, so that the noise transmitted to the outside when the motor 903 operates is smaller, the noise generated by operation is not too large, the on-site working environment becomes noisy, normal operation of workers is affected, long-term operation of the motor 903 is in such noisy environment, the motor rotating shaft 904 can be driven to rotate, so that the fan blades 905 rotate, further, centrifugal force and axial thrust are generated on liquid flows to the water inlet pipe 7, and liquid is conveyed to the water outlet pipe 6.

In a preferred embodiment, the fixing device 10 includes a protective shell 1001, two fixing plates 1003 are fixedly connected to the inside of the protective shell 1001, couplers 1002 are fixedly connected to the inside of the two fixing plates 1003, the protective shell 1001 is used for protecting the motor shaft 904, so that the motor shaft 904 is sealed, and cannot be damaged due to impact of a foreign object, and further cannot work normally, the sealing structure also prevents the motor shaft 904 from being corroded by dust, so as to ensure the service life of the motor shaft 904, the fixing plates 1003 are used for fixing the protective shell and the couplers 1002, the couplers 1001 can stably rotate the motor shaft 904, and support the motor shaft 904, so that the motor shaft 904 cannot be unstable when rotating due to overlong reasons, and can work better.

In a preferred embodiment, the diversion valve 11 includes a diversion handle 1101, a diversion rotation shaft 1102 is fixedly connected to the bottom of the diversion handle 1101, a diversion rotation block 1103 is fixedly connected to the bottom of the diversion rotation shaft 1102, a diversion valve body 1104 is movably connected to the outer side of the diversion rotation block 1103, a diversion sealing block 1105 is movably connected to the outer side of the diversion rotation block 1103, the diversion rotation shaft 1102 can be rotated by rotating the diversion handle 1101, and then the diversion rotation block 1103 is rotated, so that a notch inside the diversion sealing block 1105 is opened, and the size of the opened notch can be controlled by how much the diversion sealing block is rotated, and then the flow rate of the liquid can be controlled, and the diversion can be conducted through the diversion valve 11.

In a preferred embodiment, the pump body 12 includes a pump body 1201, a pump body base 1203 is fixedly connected to the bottom of the pump body 1201, a water inlet 1202 is formed in one side of the pump body 1201, a pump body rotating shaft opening 1205 is formed in the other side of the pump body 1201, a water outlet 1204 is formed in the outer side of the pump body 1201, fan blades 906 are placed in the pump body 12, the water inlet 1202 is used for fixing the water inlet pipe 7, the water outlet 1204 is used for fixing the water outlet pipe 6, and the pump body rotating shaft opening 1205 is used for allowing the motor rotating shaft 904 to pass through.

The working principle of the invention is as follows:

when the mixed flow pump is used, the mixed flow pump is moved firstly, the mixed flow pump can be moved through the moving device 4, the moving wheel 404 can rotate on the outer side of the moving shaft 405, the moving wheel 404 rotates and further can move, the moving rotating block 403 can rotate inside the moving fixing block 402, so that the mixed flow pump can turn when moving, the mixed flow pump is convenient for a user to use, the mixed flow pump is fixed on the rope fixing block 1 through a rope, the user can move the mixed flow pump through pulling the rope, the mixed flow pump is convenient for the user to transport, when the mixed flow pump needs to be fixed on the base 3 after moving to a proper position, the moving bolt 401 can be moved inside the base 3 through screwing the moving device 4, and further the mixed flow pump is detached, then the mixed flow pump passes through the base fixing groove 303 in the base 3 through the bolt, and the bolt is fixed on the ground, namely, the base can be fixed, then the soundproof cover 2 is fixed, the first soundproof cover 201, the second soundproof cover 202 and the third soundproof cover 203 are placed in the soundproof cover groove 302 on the base 3, and the first soundproof cover 201, the second soundproof cover 202 and the third soundproof cover 203 are sleeved outside the first soundproof cover 201, the second soundproof cover 202 and the third soundproof cover 203 by the soundproof cover fixing sleeve 204, so that the first soundproof cover 201, the second soundproof cover 202 and the third soundproof cover 203 can be tightly attached together, the soundproof effect is better, and the soundproof cover has a certain protection function, when the mixed flow pump inside is collided by a foreign object, the mixed flow pump can not be damaged, the mixed flow pump can be ensured to work normally, and can block dust, so that the dust can not fall onto the surface of the mixed flow pump, the cleanness of the mixed flow pump can be ensured, the mixed flow pump can not be corroded by the dust, then the soundproof cover fixing bolt 205 is fixed more stably, and screw in sound-proof housing fixing screw 206 through base bolt 304, can make sound-proof housing 2 further fixed, only need to unscrew sound-proof housing fixing bolt 205 and base bolt 304 when dismantling, can make sound-proof housing fixing cover 204 can be taken out, make sound-proof housing 2 can be taken off, the installation and dismantlement are simple, it overhauls the mixed flow pump to be convenient for, save the time of overhauing, make the efficiency of work promote, later connect inlet tube 7 and outlet pipe 6 to suitable position, start motor device 9, through the operation of motor 903, can drive motor shaft 904 and rotate, and then make flabellum connecting block 905 rotate, and then make a plurality of flabellums 906 rotate, and then produce centrifugal force and axial thrust to liquid, make liquid flow from inlet tube 7 to outlet pipe 6, make the liquid carry out the transport, through rotating water conservancy diversion handle 1101, can make water conservancy diversion pivot 1102 rotate, and then make water conservancy diversion rotating block 1103 rotate, make the notch of water conservancy diversion enclosed block 1105 opened inside, and can make the size of opening through the pivoted notch control, and then make the water conservancy diversion valve 902 can carry out quiet operation to the sound of motor 903 when running, make the sound of motor 903 carry out the operation of the quiet operation, make the sound of water conservancy diversion shell carry out the operation of the noise reduction of the operation, it, make the motor 903 operate more.

And finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims (10)

1. The utility model provides a low noise mixed flow pump with guiding device, includes rope fixed block (1), its characterized in that: the bottom fixedly connected with sound-proof housing (2) at rope fixed block (1), middle fixedly connected with handle (5) at sound-proof housing (2) top, bottom fixedly connected with base (3) of sound-proof housing (2), four mobile device (4) of bottom fixedly connected with of base (3), one side fixedly connected with motor device (9) at base (3) top, one side fixedly connected with fixing device (10) of motor device (9), one side fixedly connected with pump body (12) of fixing device (10), one side fixedly connected with inlet tube (7) of pump body (12), the inside fixedly connected with filter equipment (8) of inlet tube (7), the front side fixedly connected with outlet pipe (6) of pump body (12), the inside fixedly connected with diverter valve (11) of outlet pipe (6).

2. A low noise mixed flow pump having a guide device as set forth in claim 1, wherein: soundproof shade (2) include first soundproof shade (201), one side fixedly connected with second soundproof shade (202) and third soundproof shade (203) of first soundproof shade (201), the fixed cover of two soundproof shades (204) of outside fixedly connected with of first soundproof shade (201), second soundproof shade (202) and third soundproof shade (203), two the two soundproof shade fixing bolt (205) of the equal fixedly connected with in both sides of the fixed cover of soundproof shade (204), the inside of first soundproof shade (201) and second soundproof shade (202) all is equipped with the fixed screw hole of soundproof shade (206).

3. A low noise mixed flow pump having a flow guide device as claimed in claim 1, wherein: base (3) include base main part (301), the top of base main part (301) is equipped with sound-proof cover groove (302), the inside of base main part (301) is equipped with four base fixed slots (303), the equal fixedly connected with base bolt (304) in both sides of base main part (301).

4. A low noise mixed flow pump having a guide device as set forth in claim 1, wherein: the moving device (4) comprises a moving bolt (401), the bottom of the moving bolt (401) is fixedly connected with a moving fixing block (402), the inside of the moving fixing block (402) is movably connected with a moving rotating block (403), the inner side of the moving rotating block (403) is fixedly connected with a moving shaft (405), and the outer side of the moving shaft (405) is movably connected with a moving wheel (404).

5. A low noise mixed flow pump having a guide device as set forth in claim 1, wherein: the handle (5) comprises a handle main body (501), wherein handle rotating columns (503) are movably connected to two sides of the interior of the handle main body (501), and handle fixing blocks (502) are fixedly connected to two sides of the handle rotating columns (503).

6. A low noise mixed flow pump having a guide device as set forth in claim 1, wherein: the filtering device (8) comprises a filtering device main body (801), and a plurality of filtering holes (802) are formed in the filtering device main body (801).

7. A low noise mixed flow pump having a guide device as set forth in claim 1, wherein: the motor device (9) comprises a motor noise reduction shell (901), a motor fixing seat (907) is fixedly connected to the bottom of the motor noise reduction shell (901), two motor bases (908) are fixedly connected to the bottom of the motor fixing seat (907), a motor sound insulation shell (902) is fixedly connected to the inside of the motor noise reduction shell (901), a motor (903) is fixedly connected to the inside of the motor sound insulation shell (902), a motor rotating shaft (904) is fixedly connected to one side of the motor (903), a fan blade connecting block (905) is fixedly connected to one side of the motor rotating shaft (904), and a plurality of fan blades (906) are fixedly connected to the outer side of the fan blade connecting block (905).

8. A low noise mixed flow pump having a guide device as set forth in claim 1, wherein: the fixing device (10) comprises a protective shell (1001), two fixing plates (1003) are fixedly connected to the inside of the protective shell (1001), and a coupler (1002) is fixedly connected to the inside of the two fixing plates (1003).

9. A low noise mixed flow pump having a guide device as set forth in claim 1, wherein: the diversion valve (11) comprises a diversion handle (1101), a diversion rotating shaft (1102) is fixedly connected to the bottom of the diversion handle (1101), a diversion rotating block (1103) is fixedly connected to the bottom of the diversion rotating shaft (1102), a diversion valve body (1104) is movably connected to the outer side of the diversion rotating block (1103), and a diversion sealing block (1105) is movably connected to the outer side of the diversion rotating block (1103).

10. A low noise mixed flow pump having a guide device as set forth in claim 1, wherein: the pump body (12) comprises a pump body main body (1201), a pump body base (1203) is fixedly connected to the bottom of the pump body main body (1201), a water inlet (1202) is formed in one side of the pump body main body (1201), a pump body rotating shaft opening (1205) is formed in the other side of the pump body main body (1201), and a water outlet (1204) is formed in the outer side of the pump body main body (1201).

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