CN114151350B - High-efficient mixed flow pump - Google Patents

High-efficient mixed flow pump Download PDF

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Publication number
CN114151350B
CN114151350B CN202111466877.6A CN202111466877A CN114151350B CN 114151350 B CN114151350 B CN 114151350B CN 202111466877 A CN202111466877 A CN 202111466877A CN 114151350 B CN114151350 B CN 114151350B
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plate
horizontal part
hole
spherical
horizontal
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CN114151350A (en
Inventor
邰军虎
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Yangzhou Hongyue Mchanical Co ltd
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Yangzhou Hongyue Mchanical Co ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D1/04—Helico-centrifugal pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/12—Combinations of two or more pumps
    • F04D13/14—Combinations of two or more pumps the pumps being all of centrifugal type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0005—Control, e.g. regulation, of pumps, pumping installations or systems by using valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • F04D29/4293—Details of fluid inlet or outlet

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention relates to a high-efficiency mixed flow pump, which comprises a shell, wherein a water inlet and a first water outlet are formed in the shell, an impeller is arranged in the shell, a rotating shaft is rotatably connected to the shell, one end of the rotating shaft is connected with the impeller, and the other end of the rotating shaft extends out of the shell; the shell is connected with a water outlet pipe, and the water outlet pipe comprises a connecting part, a first horizontal part, a vertical part and a second horizontal part; a first cavity is arranged between the first horizontal part and the second horizontal part, a first through hole and a second through hole which are communicated with the first cavity are arranged on the bottom surface of the first horizontal part, the second through hole is arranged close to the vertical part relative to the first through hole, and a pore plate is fixed in the first through hole; a first spherical plate and a second spherical plate are arranged in the first horizontal part, the opening of the first spherical plate and the opening of the second spherical plate are arranged oppositely, a plugging ball is arranged between the first spherical plate and the second spherical plate, and water holes are formed in the first spherical plate and the second spherical plate. The mixed flow pump reduces or even avoids the influence of liquid backflow on the liquid source.

Description

High-efficient mixed flow pump
Technical Field
The invention belongs to the technical field of mixed flow pumps, and particularly relates to a high-efficiency mixed flow pump.
Background
The mixed flow pump is a pump between the centrifugal pump and the axial flow pump, centrifugal force and axial thrust are mainly generated by rotation of an impeller to act on liquid, and then the liquid is driven to flow, after the mixed flow pump is used, the liquid conveyed by the conventional mixed flow pump is always refluxed in a period of time after the mixed flow pump is stopped, and the refluxed liquid can sometimes cause pollution of a liquid source, so that people always study the mixed flow pump capable of preventing liquid reflux, the existing reflux pump capable of preventing liquid reflux is generally provided with an elastic blocking piece at a liquid outlet of the mixed flow pump, one end of the blocking piece is fixed at the liquid outlet, so that when the mixed flow pump works, the other end of the blocking piece can be opened under the action of liquid impact force, the blocking piece can restore the blocking of the liquid outlet after the mixed flow pump stops, the liquid reflux can be prevented to a great extent, however, in the actual use, the elastic blocking piece restores the liquid source in the process of blocking the liquid, the part of the liquid reflux can also be prevented, the elastic blocking piece is better, the reflux speed of the elastic blocking piece is restored to the liquid source, the effect of the liquid is reduced, the problem of the reflux is solved, the problem of the liquid is solved, and the problem of the reflux is solved, and the problem of the elastic blocking piece is easily, and the reflux of the liquid is avoided under the action of the actual blocking of the liquid is greatly when the effect of the liquid is reduced, and the effect of the liquid recovery time is reduced.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a high-efficiency mixed flow pump.
In order to achieve the above object, the present invention provides the following technical solutions:
the efficient mixed flow pump comprises a shell, wherein a water inlet and a first water outlet are formed in the shell, an impeller is arranged in the shell, a rotating shaft is connected to the shell in a rotating mode, one end of the rotating shaft is connected with the impeller, and the other end of the rotating shaft extends out of the shell; the water outlet pipe is communicated with the first water outlet, the water outlet pipe comprises a connecting part, a first horizontal part, a vertical part and a second horizontal part which are sequentially arranged, the connecting part is connected with the shell, and the first horizontal part and the second horizontal part are positioned on the same side of the vertical part; a second water outlet is formed at one end of the second horizontal part far away from the vertical part; a first cavity is arranged between the first horizontal part and the second horizontal part, a first through hole and a second through hole which are communicated with the first cavity are arranged on the bottom surface of the first horizontal part, the second through hole is arranged close to the vertical part relative to the first through hole, and a pore plate is fixed in the first through hole; be provided with first spherical plate and second spherical plate in the first horizontal part, the opening of first spherical plate and the opening of second spherical plate set up relatively, the second spherical plate is located first through-hole with between the second through-hole, the orifice plate is located first spherical plate with between the second spherical plate, first spherical plate with be provided with the shutoff ball between the second spherical plate, correspond on first spherical plate and the second spherical plate the sphere center position of shutoff ball all is provided with the water hole.
Preferably, the diameter of the plugging ball is equal to the diameter of the first horizontal portion.
Preferably, a sealing plate is arranged between the first horizontal portion and the second horizontal portion, and the sealing plate is respectively connected with the first horizontal portion and the second horizontal portion, so that a first chamber is formed between the first horizontal portion and the second horizontal portion.
Preferably, the length of the second horizontal part is smaller than that of the first horizontal part, and the sealing plate comprises a bottom plate, a first side plate, a second side plate and a blocking plate; one end of the bottom plate is connected with one end of the second horizontal part far away from the vertical part, and forms a seal with the second horizontal part on the bottom surface of the first chamber; the first side plate and the second side plate are positioned on two sides of the bottom plate, the bottom end of the first side plate is connected with the bottom plate and the second horizontal part, and the top end of the first side plate is connected with the first horizontal part to form a seal on two sides of the first chamber; one end of the first side plate and one end of the second side plate are connected with the vertical portion, and the other end of the first side plate and the other end of the second side plate are connected with the blocking plate.
Preferably, the bottom plate is semicircular, the sealing plate extends downwards to form an extension part, a semicircular guard plate is arranged at the bottom end of the bottom plate, one end of the semicircular guard plate is connected with the second horizontal part, and the other end of the semicircular guard plate is connected with the extension part; the top surface of the semicircular guard plate is connected with the bottom surface of the bottom plate, so that a second chamber is formed between the semicircular guard plate and the bottom plate; a drain pipe is arranged on the bottom surface of the semicircular guard plate and is communicated with the second cavity; a semicircular flange protruding inwards is arranged at the connection position of the bottom plate and the second horizontal part, and a semicircular step is arranged on the semicircular guard plate at the position corresponding to the semicircular flange; the semicircular flange is connected with the semicircular step to form a third water outlet, an elastic blocking piece is fixed on the semicircular flange, and a rubber layer or a silica gel layer is arranged on one side, close to the semicircular flange, of the blocking piece.
Preferably, the second spherical plate is provided with a flow guide pipe communicated with the water through hole of the second spherical plate, the flow guide pipe is parallel to the water outlet pipe, and the flow guide pipe is positioned at one side of the vertical part close to the first spherical plate; one end of the flow guide pipe, which is far away from the second spherical plate, is positioned in the second horizontal part and on the bottom surface of the second horizontal part; and one end of the flow guide pipe, which is far away from the second spherical plate, is close to the blocking piece.
Preferably, a belt pulley is arranged on the rotating shaft.
Preferably, the mixed flow pump further comprises a shell, a liquid inlet and a first liquid outlet are formed in the shell, a fan impeller is arranged in the shell, a central shaft is connected to the shell in a rotating mode, one end of the central shaft is connected with the fan impeller, and the other end of the central shaft extends out of the shell; the liquid outlet pipe is communicated with the first liquid outlet, the liquid outlet pipe comprises a connecting pipe and a horizontal pipe, one end of the connecting pipe is connected with the shell, the other end of the connecting pipe is connected with one end of the horizontal pipe, and the other end of the horizontal pipe is connected with the first horizontal part, so that the inside of the first horizontal part is communicated with the inside of the horizontal pipe; a third chamber is arranged below the horizontal pipe, a third through hole and a fourth through hole which are communicated with the third chamber are arranged on the bottom surface of the horizontal pipe, the fourth through hole is arranged close to the vertical part relative to the third through hole, and a screen plate is fixed in the third through hole; a third spherical plate and a fourth spherical plate are arranged in the horizontal pipe, the opening of the third spherical plate and the opening of the fourth spherical plate are arranged oppositely, the fourth spherical plate is positioned between the third through hole and the fourth through hole, the screen plate is positioned between the third spherical plate and the fourth spherical plate, a blocking ball is arranged between the third spherical plate and the fourth spherical plate, and water holes are formed in the positions, corresponding to the ball centers of the blocking balls, of the third spherical plate and the fourth spherical plate; a first elastic sheet is arranged on the second through hole, one end of the first elastic sheet is fixed on the bottom surface of the first horizontal part, and a first sealing layer is arranged on one side, close to the second through hole, of the first elastic sheet; a second elastic sheet is arranged on the fourth through hole, one end of the second elastic sheet is fixed on the bottom surface of the horizontal pipe, and a second sealing layer is arranged on one side, close to the fourth through hole, of the second elastic sheet; the first horizontal part and/or the horizontal pipe is/are provided with a supporting frame, the supporting frame is rotationally connected with a connecting shaft, and the connecting shaft is provided with a driving wheel; one end of the connecting shaft is connected with the rotating shaft through a clutch type coupler, and the other end of the connecting shaft is connected with the central shaft through the clutch type coupler.
Preferably, the clutch coupler comprises a base body, wherein one end of the base body is provided with a cylindrical groove, an electromagnet is arranged at the bottom of the cylindrical groove, a spline is arranged in the cylindrical groove, a spring is arranged between the spline and the electromagnet, and a spline groove matched with the spline is arranged on the rotating shaft or the central shaft; the other end of the base body is connected with the connecting shaft.
Preferably, a base is mounted on the vertical part; or the first horizontal part is inclined, so that the height of the water through hole on the second spherical plate is lower than that of the first through hole.
When the efficient mixed flow pump is used, the rotating shaft can be connected with a motor or other driving devices to drive the rotating shaft to rotate, so that the impeller is driven to rotate, liquid is sucked through the water inlet and discharged to the water outlet pipe through the first water outlet when the impeller rotates, after the liquid enters the water outlet pipe, the liquid passes through the water through holes of the first spherical plate and pushes the blocking ball to block the water through holes of the second spherical plate, so that the liquid can only enter the first cavity through the pore plate, then returns to the water outlet pipe through the second through holes, and is discharged after passing through the first horizontal part, the vertical part and the second horizontal part; when the machine is stopped, liquid flows back, the blocking ball is pushed until reaching the water port of the second spherical plate to block the water port of the first spherical plate, so that the backflow liquid is not easy to continue to flow back, and the influence of liquid backflow on the liquid source is reduced or even avoided.
Drawings
Fig. 1 is a schematic structural diagram of a high-efficiency mixed flow pump in embodiment 1;
fig. 2 is a schematic structural diagram of the high-efficiency mixed flow pump in embodiment 2;
FIG. 3 is a side view of the first chamber of example 2;
fig. 4 is a front view of the first chamber in embodiment 2;
FIG. 5 is a partial enlarged view of the high-efficiency mixed flow pump in example 2;
fig. 6 is a schematic structural diagram of a high-efficiency mixed flow pump in embodiment 3;
fig. 7 is a schematic structural diagram of a high-efficiency mixed flow pump in embodiment 4;
FIG. 8 is a schematic view of a clutch coupling of FIG. 7;
reference numerals in the drawings; the water inlet device comprises a shell 1, a water inlet 1-1, a first water outlet 1-2, a pore plate 1-2a, a second through hole 1-2b, an impeller 2, a rotating shaft 3, a water outlet pipe 4, a connecting part 4-1, a first horizontal part 4-2, a vertical part 4-3, a second horizontal part 4-4, a second water outlet 4-5, a bottom plate 5-1, a first side plate 5-2, a second side plate 5-3, a closure plate 5-4, an extension part 5-4a, a first chamber 6, a first spherical plate 7, a second spherical plate 8, a flow guide 9, a closure ball 10, a water through hole 11, a second chamber 12, a semicircular guard 13, a water outlet pipe 14, a semicircular flange 15, a semicircular step 16, a third water outlet 17, a blocking piece 18, a rubber layer 19, a belt pulley 20, a supporting frame 21, a connecting shaft 22, a driving wheel 23, a clutch coupling 24, a base 24-11, an electromagnet 24-2, a spline 24-3, a spring 24-4, a housing 100, a liquid inlet 100-1, a first liquid outlet 100-2, a net plate 100-2, a four-way valve 100, a fourth spherical plate 100-2b, a fourth spherical plate 100-400, a fourth spherical plate 400, a third spherical plate 400 and a connecting pipe 400.
Detailed Description
The present invention will be further described with reference to the drawings and the specific embodiments in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment 1 of the invention provides a high-efficiency mixed flow pump, which is shown in fig. 1 and 6, and comprises a shell 1, wherein a water inlet 1-1 and a first water outlet 1-2 are arranged on the shell, an impeller 2 is arranged in the shell, a rotating shaft 3 is rotatably connected on the shell, one end of the rotating shaft is connected with the impeller, and the other end of the rotating shaft extends out of the shell; the water outlet pipe 4 is connected to the position of the first water outlet on the shell and is communicated with the first water outlet, the water outlet pipe comprises a connecting part 4-1, a first horizontal part 4-2, a vertical part 4-3 and a second horizontal part 4-4 which are sequentially arranged, one end of the connecting part is connected with one end of the first horizontal part, the other end of the connecting part is connected with the shell, the other end of the first horizontal part is connected with one end of the vertical part, the other end of the vertical part is connected with one end of the second horizontal part, the other end of the second horizontal part forms a second water outlet 4-5, and the first horizontal part and the second horizontal part are positioned on the same side of the vertical part; a first cavity 6 is arranged between the first horizontal part and the second horizontal part, a first through hole and a second through hole 1-2b which are communicated with the first cavity are arranged on the bottom surface of the first horizontal part, the second through hole is arranged close to the vertical part relative to the first through hole, and a pore plate 1-2a is fixed in the first through hole; a first spherical plate 7 and a second spherical plate 8 are arranged in the first horizontal part, the opening of the first spherical plate and the opening of the second spherical plate are arranged oppositely, the second spherical plate is positioned between the first through hole and the second through hole, the pore plate is positioned between the first spherical plate and the second spherical plate, a plugging ball 10 is arranged between the first spherical plate and the second spherical plate, and water through holes 11 are arranged on the first spherical plate and the second spherical plate corresponding to the spherical center positions of the plugging ball; in this embodiment, the diameter of the plugging ball is preferably equal to the diameter of the first horizontal portion.
When the efficient mixed flow pump is used, the rotating shaft can be connected with a motor or other driving devices to drive the rotating shaft to rotate, so that the impeller is driven to rotate, liquid is sucked through the water inlet and discharged to the water outlet pipe through the first water outlet when the impeller rotates, after the liquid enters the water outlet pipe, the liquid passes through the water through holes of the first spherical plate and pushes the blocking ball to block the water through holes of the second spherical plate, so that the liquid can only enter the first cavity through the pore plate, then returns to the water outlet pipe through the second through holes, and is discharged after passing through the first horizontal part, the vertical part and the second horizontal part; when the machine is stopped, liquid flows back, the blocking ball is pushed until reaching the water port of the second spherical plate to block the water port of the first spherical plate, so that the backflow liquid is not easy to continue to flow back, and the influence of liquid backflow on the liquid source is reduced or even avoided. In order to facilitate connection with the motor, the rotating shaft may be further provided with a belt pulley 20, and in use, the belt pulley is connected with an output end of the motor through a belt, which is well known to those skilled in the art, and will not be described herein.
As a preferred implementation mode, the vertical part is provided with the base, so that when the mixed flow pump is used, the base is positioned at the bottom end of the mixed flow pump, and the height of the water through holes in the second spherical plate is lower than that of the first through holes, so that the backflow liquid is ensured to reach the water through holes of the second spherical plate first, and then the plugging ball is pushed to move to plug the water through holes of the first spherical plate, and the backflow liquid is prevented from reaching the first through holes first or simultaneously to cause a small amount of liquid to continuously flow back; as a modification, the first horizontal portion is inclined such that the height of the water passage hole in the second spherical plate is lower than the first through hole.
Embodiment 2, embodiment 2 is a further improvement on embodiment 1, see fig. 2-5, in which a sealing plate 5 is disposed between the first horizontal portion and the second horizontal portion, and the sealing plate is connected to the first horizontal portion and the second horizontal portion, respectively, so that a first chamber is formed between the first horizontal portion and the second horizontal portion; the length of the second horizontal part is smaller than that of the first horizontal part, and the sealing plate comprises a bottom plate 5-1, a first side plate 5-2, a second side plate 5-3 and a blocking plate 5-4; one end of the bottom plate is connected with one end of the second horizontal part far away from the vertical part, and forms a seal with the second horizontal part on the bottom surface of the first chamber; the first side plate and the second side plate are positioned on two sides of the bottom plate, the bottom end of the first side plate is connected with the bottom plate and the second horizontal part, and the top end of the first side plate is connected with the first horizontal part to form a seal on two sides of the first chamber; one end of the first side plate and one end of the second side plate are connected with the vertical part, the other end of the first side plate and the other end of the second side plate are connected with the blocking plate, the first horizontal part, the vertical part and the second horizontal part are reasonably utilized to form a component part of the first cavity, materials are saved, a box body can be directly arranged to form the first cavity, and the first through hole and the second through hole are communicated with the inside of the box body, so that the first cavity is not particularly limited; further, the bottom plate is semicircular, the sealing plate extends downwards to form an extension part 5-4a, a semicircular guard plate 13 is arranged at the bottom end of the bottom plate, one end of the semicircular guard plate is connected with the second horizontal part, and the other end of the semicircular guard plate is connected with the extension part; the top surface of the semicircular guard plate is connected with the bottom surface of the bottom plate, so that a second chamber 12 is formed between the semicircular guard plate and the bottom plate; a drain pipe 14 is arranged on the bottom surface of the semicircular guard plate and is communicated with the second chamber; a semicircular flange 15 protruding inwards is arranged at the connection position of the bottom plate and the second horizontal part, and a semicircular step 16 is arranged on the semicircular guard plate at the position corresponding to the semicircular flange; the semicircular flange is connected with the semicircular step to form a third water outlet 17, an elastic blocking piece 18 is fixed on the semicircular flange, a rubber layer 19 or a silica gel layer is arranged on one side, close to the semicircular flange, of the blocking piece, and the structure enables liquid to push the elastic blocking piece to open after reaching the third water outlet through the second cavity and the elastic blocking piece, the liquid is discharged through a water outlet pipe after passing through the third water outlet, and after stopping, the elastic blocking piece restores blocking of the liquid outlet under the action of elastic restoring force, so that liquid backflow is further prevented.
Embodiment 3, embodiment 3 is a further improvement on embodiment 2, see fig. 6, the second spherical plate is provided with a flow guiding pipe 9 communicated with the water through hole of the second spherical plate, the flow guiding pipe is parallel to the water outlet pipe (i.e. the flow guiding pipe also comprises an upper horizontal part, a vertical part and a lower horizontal part, which are respectively parallel to the first horizontal part, the vertical part and the second horizontal part), and the flow guiding pipe is positioned on one side of the vertical part close to the first spherical plate; one end of the flow guide pipe, which is far away from the second spherical plate, is positioned in the second horizontal part and on the bottom surface of the second horizontal part; the honeycomb duct is kept away from the one end of second sphere shaped plate is close to stop the piece setting, through setting up the honeycomb duct for produce in the honeycomb duct that the malleation is assisted when this mixed flow pump is started and promote elasticity and stop the piece and open, when shutting down, produce in the honeycomb duct that the negative pressure is assisted to promote the shutoff ball and is plugged up the mouth of a river of first sphere shaped plate, in this embodiment, the shutoff ball can use hollow plastic ball.
Embodiment 4, embodiment 4 is a further improvement on the basis of embodiment 2 or embodiment 3, referring to fig. 7, the mixed flow pump further includes a housing 100, and the housing has the same structure as the housing described above, which is only for convenience of distinguishing between the respective naming, and the following liquid inlet, the first liquid outlet, the fan impeller, the central shaft, the liquid outlet pipe, the connecting pipe, the horizontal pipe, the mesh plate, the blocking ball, the elastic sheet and the driving wheel correspond to the water inlet, the first water outlet, the impeller, the rotating shaft, the water outlet pipe, the connecting portion, the first horizontal portion, the pore plate, the blocking ball, the elastic blocking sheet and the belt pulley in sequence, and the corresponding structures are the same for convenience of distinguishing between the naming; the shell is provided with a liquid inlet 100-1 and a first liquid outlet 100-2, a fan impeller 200 is arranged in the shell, the shell is rotationally connected with a central shaft, one end of the central shaft is connected with the fan impeller, and the other end of the central shaft extends out of the shell; the liquid outlet pipe is connected to the position of the first liquid outlet on the shell and is communicated with the first liquid outlet, the liquid outlet pipe comprises a connecting pipe 400-1 and a horizontal pipe 400-2, one end of the connecting pipe is connected with the shell, the other end of the connecting pipe is connected with one end of the horizontal pipe, and the other end of the horizontal pipe is connected with the first horizontal part, so that the inside of the first horizontal part is communicated with the inside of the horizontal pipe; a third chamber 600 is arranged below the horizontal pipe, a third through hole and a fourth through hole 100-2b which are communicated with the third chamber are arranged on the bottom surface of the horizontal pipe, the fourth through hole is arranged close to the vertical part relative to the third through hole, and a screen plate 100-2a is fixed in the third through hole; a third spherical plate 700 and a fourth spherical plate 800 are arranged in the horizontal pipe, the opening of the third spherical plate and the opening of the fourth spherical plate are arranged oppositely, the fourth spherical plate is positioned between the third through hole and the fourth through hole, the screen plate is positioned between the third spherical plate and the fourth spherical plate, a blocking ball 1000 is arranged between the third spherical plate and the fourth spherical plate, and water holes 1100 are arranged on the positions, corresponding to the ball centers of the blocking balls, of the third spherical plate and the fourth spherical plate; a first elastic sheet 180 is arranged on the second through hole, one end of the first elastic sheet is fixed on the bottom surface of the first horizontal part, a first sealing layer is arranged on one side, close to the second through hole, of the first elastic sheet, and the first sealing layer can be a rubber layer or a silica gel layer or the like; a second elastic sheet 1800 is arranged on the fourth through hole, one end of the second elastic sheet is fixed on the bottom surface of the horizontal pipe, a second sealing layer is arranged on one side, close to the fourth through hole, of the second elastic sheet, and the second sealing layer can be a rubber layer or a silica gel layer and the like; a supporting frame 21 is arranged on the first horizontal part and/or the horizontal pipe, a connecting shaft 22 is rotatably connected to the supporting frame, and a driving wheel 23 is arranged on the connecting shaft; one end of the connecting shaft is connected with the rotating shaft through a clutch type coupler 24, and the other end of the connecting shaft is connected with the central shaft through the clutch type coupler.
The efficient mixed flow pump in this embodiment can have two usage modes:
in the use mode 1, the connecting shaft is connected with the rotating shaft and the central shaft through the two clutch couplings, so that the impeller and the fan blade wheel rotate simultaneously, after passing through the water inlet and the liquid inlet respectively, liquid is converged to the vertical part after passing through the first cavity and the third cavity respectively, and is discharged through the water outlet pipe after passing through the third water outlet;
the use mode 2, connect the connecting axle through a separation and reunion type shaft coupling pivot or center pin for impeller or flabellum wheel rotate simultaneously, take the connection pivot as the example, after liquid passes through the water inlet respectively, get into behind the first horizontal part after the first cavity, promote the shutoff ball and block up the water hole of fourth sphere shaped plate, and discharge through the outlet pipe after vertical portion, the third delivery port simultaneously, during the backward flow, produce negative pressure in the first horizontal part, make the shutoff ball at first relieve the water hole to fourth sphere shaped plate, alleviate the big lower of outlet pipe department negative pressure, then make the shutoff ball block up the water hole of first sphere shaped plate along with the backward flow of liquid, make backward flow liquid can not continue the backward flow.
In the above embodiment, the clutch coupling may use the existing structure, or may use the following structure, see fig. 8, where the clutch coupling includes a base 24-11, one end of the base is provided with a cylindrical groove, an electromagnet 24-2 is installed at the bottom of the cylindrical groove, a spline 24-3 is disposed in the cylindrical groove, a spring 24-4 is disposed between the spline and the electromagnet, and a spline groove matched with the spline is disposed on the rotating shaft 3 or the central shaft; the other end of the base body is connected with the connecting shaft, the spline can be separated from the spline groove through the electromagnet to complete the separation function of the clutch coupler, and the spline groove are restored to be connected through the spring when the electromagnet is powered off to complete the connection function of the clutch coupler; of course, the spline can be repulsive to the electromagnet to connect the spline and the spline groove to complete the connection of the clutch coupler, and the spring is used for recovering the separation of the spline and the spline groove to complete the separation of the clutch coupler when the electromagnet is powered off.
It should be noted that the structure in embodiment 4 described above is equally applicable to embodiment 1, and the above is merely illustrative.
The foregoing examples merely illustrate embodiments of the invention and are described in more detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims (4)

1. The efficient mixed flow pump comprises a shell (1), wherein a water inlet (1-1) and a first water outlet (1-2) are formed in the shell, an impeller (2) is arranged in the shell, a rotating shaft (3) is rotatably connected to the shell, one end of the rotating shaft is connected with the impeller, and the other end of the rotating shaft extends out of the shell; it is characterized in that the method comprises the steps of,
the water outlet pipe is communicated with the first water outlet, the water outlet pipe comprises a connecting part (4-1), a first horizontal part (4-2), a vertical part (4-3) and a second horizontal part (4-4) which are sequentially arranged, the connecting part is connected with the shell, and the first horizontal part and the second horizontal part are positioned on the same side of the vertical part; one end of the second horizontal part far away from the vertical part forms a second water outlet (4-5);
a first cavity (6) is arranged between the first horizontal part and the second horizontal part, a first through hole and a second through hole (1-2 b) which are communicated with the first cavity are arranged on the bottom surface of the first horizontal part, the second through hole is arranged close to the vertical part relative to the first through hole, and a pore plate (1-2 a) is fixed in the first through hole;
a first spherical plate (7) and a second spherical plate (8) are arranged in the first horizontal part, the opening of the first spherical plate and the opening of the second spherical plate are arranged oppositely, the second spherical plate is positioned between the first through hole and the second through hole, the pore plate is positioned between the first spherical plate and the second spherical plate, a plugging ball (10) is arranged between the first spherical plate and the second spherical plate, and water through holes (11) are formed in the positions, corresponding to the spherical centers of the plugging balls, of the first spherical plate and the second spherical plate;
the diameter of the plugging ball is equal to the diameter of the first horizontal part;
a sealing plate is arranged between the first horizontal part and the second horizontal part, and the sealing plate is respectively connected with the first horizontal part and the second horizontal part, so that a first chamber is formed between the first horizontal part and the second horizontal part;
the length of the second horizontal part is smaller than that of the first horizontal part, and the sealing plate comprises a bottom plate (5-1), a first side plate (5-2), a second side plate (5-3) and a blocking plate (5-4);
one end of the bottom plate is connected with one end of the second horizontal part far away from the vertical part, and forms a seal with the second horizontal part on the bottom surface of the first chamber; the first side plate and the second side plate are positioned on two sides of the bottom plate, the bottom end of the first side plate is connected with the bottom plate and the second horizontal part, and the top end of the first side plate is connected with the first horizontal part to form a seal on two sides of the first chamber; one end of the first side plate and one end of the second side plate are connected with the vertical part, and the other end of the first side plate and the other end of the second side plate are connected with the blocking plate;
the bottom plate is semicircular, the sealing plate extends downwards to form an extension part (5-4 a), a semicircular guard plate (13) is arranged at the bottom end of the bottom plate, one end of the semicircular guard plate is connected with the second horizontal part, and the other end of the semicircular guard plate is connected with the extension part; the top surface of the semicircular guard plate is connected with the bottom surface of the bottom plate, so that a second chamber (12) is formed between the semicircular guard plate and the bottom plate;
a drain pipe (14) is arranged on the bottom surface of the semicircular guard plate and is communicated with the second cavity;
a semicircular flange (15) protruding inwards is arranged at the connection position of the bottom plate and the second horizontal part, and a semicircular step (16) is arranged on the semicircular guard plate at the position corresponding to the semicircular flange;
the semicircular flange is connected with the semicircular step to form a third water outlet (17), an elastic blocking piece (18) is fixed on the semicircular flange, and a rubber layer (19) or a silica gel layer is arranged on one side, close to the semicircular flange, of the blocking piece;
a belt pulley (20) is arranged on the rotating shaft;
the mixed flow pump further comprises a shell (100), wherein a liquid inlet (100-1) and a first liquid outlet (100-2) are formed in the shell, a fan impeller (200) is arranged in the shell, a central shaft is rotatably connected to the shell, one end of the central shaft is connected with the fan impeller, and the other end of the central shaft extends out of the shell;
the liquid outlet pipe is communicated with the first liquid outlet, the liquid outlet pipe comprises a connecting pipe (400-1) and a horizontal pipe (400-2), one end of the connecting pipe is connected with the shell, the other end of the connecting pipe is connected with one end of the horizontal pipe, and the other end of the horizontal pipe is connected with the first horizontal part, so that the inside of the first horizontal part is communicated with the inside of the horizontal pipe;
a third chamber (600) is arranged below the horizontal pipe, a third through hole and a fourth through hole (100-2 b) which are communicated with the third chamber are arranged on the bottom surface of the horizontal pipe, the fourth through hole is arranged close to the vertical part relative to the third through hole, and a screen plate (100-2 a) is fixed in the third through hole;
a third spherical plate (700) and a fourth spherical plate (800) are arranged in the horizontal pipe, the opening of the third spherical plate and the opening of the fourth spherical plate are oppositely arranged, the fourth spherical plate is positioned between the third through hole and the fourth through hole, the screen plate is positioned between the third spherical plate and the fourth spherical plate, a blocking ball (1000) is arranged between the third spherical plate and the fourth spherical plate, and water holes (1100) are respectively arranged on the positions, corresponding to the sphere centers of the blocking balls, of the third spherical plate and the fourth spherical plate;
a first elastic sheet (180) is arranged on the second through hole, one end of the first elastic sheet is fixed on the bottom surface of the first horizontal part, and a first sealing layer is arranged on one side, close to the second through hole, of the first elastic sheet;
a second elastic sheet (1800) is arranged on the fourth through hole, one end of the second elastic sheet is fixed on the bottom surface of the horizontal pipe, and a second sealing layer is arranged on one side, close to the fourth through hole, of the second elastic sheet;
a supporting frame (21) is arranged on the first horizontal part and/or the horizontal pipe, a connecting shaft (22) is rotatably connected to the supporting frame, and a driving wheel (23) is arranged on the connecting shaft;
one end of the connecting shaft is connected with the rotating shaft through a clutch type coupler (24), and the other end of the connecting shaft is connected with the central shaft through the clutch type coupler.
2. The efficient mixed flow pump according to claim 1, wherein a flow guide pipe (9) communicated with the water through hole of the second spherical plate is arranged on the second spherical plate, the flow guide pipe is arranged parallel to the water outlet pipe, and the flow guide pipe is positioned on one side of the vertical part close to the first spherical plate;
one end of the flow guide pipe, which is far away from the second spherical plate, is positioned in the second horizontal part and on the bottom surface of the second horizontal part;
and one end of the flow guide pipe, which is far away from the second spherical plate, is close to the blocking piece.
3. The efficient mixed flow pump as claimed in claim 1, wherein the clutch coupling comprises a base body (24-11), one end of the base body is provided with a cylindrical groove, an electromagnet (24-2) is arranged at the bottom of the cylindrical groove, a spline (24-3) is arranged in the cylindrical groove, a spring (24-4) is arranged between the spline and the electromagnet, and a spline groove matched with the spline is arranged on the rotating shaft (3) or the central shaft;
the other end of the base body is connected with the connecting shaft.
4. The efficient mixed flow pump of claim 1, wherein the vertical portion is provided with a base; or,
the first horizontal part is inclined, so that the height of the water through hole on the second spherical plate is lower than that of the first through hole.
CN202111466877.6A 2021-12-03 2021-12-03 High-efficient mixed flow pump Active CN114151350B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111466877.6A CN114151350B (en) 2021-12-03 2021-12-03 High-efficient mixed flow pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111466877.6A CN114151350B (en) 2021-12-03 2021-12-03 High-efficient mixed flow pump

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Publication Number Publication Date
CN114151350A CN114151350A (en) 2022-03-08
CN114151350B true CN114151350B (en) 2023-05-26

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101581312B (en) * 2009-06-10 2011-06-29 江苏大学 Mass-flow self-sucking pump
CN101782072A (en) * 2010-02-02 2010-07-21 陆波 High-efficiency energy-saving horizontal self-sucking pump
CN102734177A (en) * 2012-06-08 2012-10-17 李冬庆 Direct-connection self-sucking pump
CN110005616B (en) * 2019-04-08 2023-03-21 浙江工业大学之江学院 Automatic switch return valve of multistage supercharging self-priming pump
CN110985405B (en) * 2019-12-17 2020-12-22 江苏中苏智能制造有限公司 High-efficient mixed flow pump
CN111828340B (en) * 2020-06-17 2022-09-06 普轩特泵业股份有限公司 High-efficiency energy-saving self-suction centrifugal hydraulic system

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