CN114151350A - High-efficient mixed flow pump - Google Patents

High-efficient mixed flow pump Download PDF

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Publication number
CN114151350A
CN114151350A CN202111466877.6A CN202111466877A CN114151350A CN 114151350 A CN114151350 A CN 114151350A CN 202111466877 A CN202111466877 A CN 202111466877A CN 114151350 A CN114151350 A CN 114151350A
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CN
China
Prior art keywords
plate
hole
horizontal
horizontal part
spherical
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Granted
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CN202111466877.6A
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Chinese (zh)
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CN114151350B (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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Priority to CN202111466877.6A priority Critical patent/CN114151350B/en
Publication of CN114151350A publication Critical patent/CN114151350A/en
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Publication of CN114151350B publication Critical patent/CN114151350B/en
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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 the shell is provided with a water inlet and a first water outlet, an impeller is arranged in the shell, the shell is rotatably connected with a rotating shaft, 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; be provided with first sphere shaped plate and second sphere shaped plate in the first horizontal part, the opening of first sphere shaped plate and the opening of second sphere shaped plate set up relatively, are provided with the shutoff ball between first sphere shaped plate and the second sphere shaped plate, have the limbers on first sphere shaped plate and the second sphere shaped 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 a centrifugal pump and an axial flow pump, which mainly depends on centrifugal force and axial thrust generated by impeller rotation to act on liquid and further drive the liquid to flow, the prior common mixed flow pump has the defects that the conveyed liquid often flows back within a period of shutdown after being used, and the backflow liquid can cause pollution of a liquid source sometimes, so that people always research the mixed flow pump capable of preventing liquid backflow, the prior backflow pump capable of preventing liquid backflow generally arranges an elastic blocking sheet at a liquid outlet of the mixed flow pump, one end of the blocking sheet is fixed at the liquid outlet, thus, when the mixed flow pump works, the other end can be opened under the action of liquid impact force, so that the liquid can flow out from the liquid outlet, after shutdown, the blocking sheet recovers the blocking of the liquid outlet under the action of elastic restoring force to prevent the liquid backflow, this structure can prevent the backward flow of liquid at to a great extent, however, in-service use, the elasticity blocks the in-process that the piece resumes to block the liquid outlet, also have partial liquid backward flow, elasticity blocks the piece elasticity better, the speed that its resumes is faster, the quantity of liquid backward flow is less, and in-service use, especially use a period of time after, elasticity blocks the piece and reduces at the effect of long-time atress elasticity restoring force easily, thereby also can increase the backward flow volume of liquid, in view of this, how to reduce and avoid the influence of liquid backward flow to the liquid source has become the technological problem that people need to solve urgently.
Disclosure of Invention
In view of 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:
a high-efficiency 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 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 at the position of the first water outlet, 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, far away from the vertical part, of the 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; be provided with first sphere shaped plate and second sphere shaped plate in the first horizontal part, the opening of first sphere shaped plate and the opening of second sphere shaped plate set up relatively, second sphere shaped plate is located first through-hole with between the second through-hole, the orifice plate is located first sphere shaped plate with between the second sphere shaped plate, first sphere shaped plate with be provided with the shutoff ball between the second sphere shaped plate, correspond on first sphere shaped plate and the second sphere shaped plate the centre of sphere position of shutoff ball all is provided with the limbers.
Preferably, the diameter of the blocking ball is equal to the diameter of the first horizontal portion.
Preferably, a sealing plate 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, such 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, which is far away from the vertical part, and the bottom plate and the second horizontal part form sealing for 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 ends of the first side plate and the second side plate are connected with the bottom plate and the second horizontal part, and the top ends of the first side plate and the second side plate are connected with the first horizontal part to form sealing 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 water outlet 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 position where the bottom plate is connected with the second horizontal part, and a semicircular step is arranged on the semicircular guard plate 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, a guide pipe communicated with a water through hole of the second spherical panel is arranged on the second spherical panel, the guide pipe is arranged in parallel to the water outlet pipe, and the guide pipe is positioned on one side, close to the first spherical plate, of the vertical pipe; one end of the draft tube, which is far away from the second spherical panel, is positioned in the second horizontal part and is positioned on the bottom surface of the second horizontal part; one end of the draft tube, which is far away from the second spherical panel, is close to the blocking piece.
Preferably, a belt pulley is arranged on the rotating shaft.
Preferably, the mixed flow pump further comprises a housing, wherein a liquid inlet and a first liquid outlet are formed in the housing, a fan wheel is arranged in the housing, a central shaft is rotatably connected to the housing, one end of the central shaft is connected with the fan wheel, and the other end of the central shaft extends out of the housing; a liquid outlet pipe is connected to the position of the first liquid outlet on 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 interior of the first horizontal part is communicated with the interior 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 through holes are formed in the third spherical plate and the fourth spherical plate corresponding to the ball centers of the blocking ball; 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 water pipe are/is provided with a support frame, the support frame is rotatably 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 a clutch type coupler.
Preferably, the clutch type coupler comprises a base body, one end of the base body is provided with a cylindrical groove, the bottom of the cylindrical groove is provided with an electromagnet, 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 installed on the vertical part; or, the first horizontal part is inclined so that the height of the water passage hole on the second spherical panel 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 as to drive the impeller to rotate, liquid is sucked in through the water inlet and is discharged to the water outlet pipe through the first water outlet when the impeller rotates, and after entering the water outlet pipe, the liquid pushes the blocking ball to block the water outlet of the second spherical plate after passing through the water outlet of the first spherical plate, so that the liquid can only enter the first cavity through the pore plate and then returns to the water outlet pipe through the second through hole, 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, and the water through hole of the first spherical plate is blocked by the blocking ball when the water through hole of the second spherical plate is reached, so that the backflow liquid is not easy to continue to flow back, and the influence of the liquid backflow on a liquid source is reduced or even avoided.
Drawings
FIG. 1 is a schematic structural view of a high-efficiency mixed flow pump in embodiment 1;
FIG. 2 is a schematic structural view of a high-efficiency mixed flow pump in embodiment 2;
FIG. 3 is a side view of the first chamber in example 2;
FIG. 4 is a front view of the first chamber in example 2;
FIG. 5 is a partial enlarged view of the high efficiency mixed flow pump of embodiment 2;
FIG. 6 is a schematic structural view of a high-efficiency mixed flow pump in embodiment 3;
FIG. 7 is a schematic structural view of a high-efficiency mixed flow pump according to embodiment 4;
FIG. 8 is a schematic view of a clutch coupling of FIG. 7;
reference numerals in the figures; the water-saving 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 blocking plate 5-4, an extending part 5-4a, a first chamber 6, a first spherical plate 7, a second spherical plate 8, a flow guide pipe 9, a blocking ball 10, a water through hole 11, a second chamber 12, a semicircular guard plate 13, a water outlet pipe 14, a semicircular flange 15, a semicircular step 16, a third water outlet 17, a blocking sheet 18, a rubber layer 19, a belt pulley 20, a driving wheel 21, a connecting shaft 22, a 23, a water outlet 17, a blocking piece 18, a driving wheel, The clutch type coupling comprises a clutch type coupling 24, a base body 24-11, an electromagnet 24-2, a spline 24-3, a spring 24-4, a shell 100, a liquid inlet 100-1, a first liquid outlet 100-2, a screen plate 100-2a, a fourth through hole 100-2b, a first elastic sheet 180, a fan wheel 200, a connecting pipe 400-1, a horizontal pipe 400-2, a third chamber 600, a third spherical plate 700, a fourth spherical plate 800, a blocking ball 1000, a water through hole 1100 and a second elastic sheet 1800.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Embodiment 1, the present invention provides a high efficiency mixed flow pump, referring to fig. 1 and 6, including a housing 1, the housing is provided with a water inlet 1-1 and a first water outlet 1-2, the housing is provided with an impeller 2, the housing is rotatably connected with a rotating shaft 3, one end of the rotating shaft is connected with the impeller, and the other end extends out of the housing; 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 chamber 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 chamber 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 surface plate 7 and a second spherical surface plate 8 are arranged in the first horizontal part, the opening of the first spherical surface plate and the opening of the second spherical surface plate are oppositely arranged, the second spherical surface plate is positioned between the first through hole and the second through hole, the pore plate is positioned between the first spherical surface plate and the second spherical surface plate, a plugging ball 10 is arranged between the first spherical surface plate and the second spherical surface plate, and water through holes 11 are arranged on the first spherical surface plate and the second spherical surface plate corresponding to the ball centers of the plugging balls; in this embodiment, the diameter of the blocking 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 as to drive the impeller to rotate, liquid is sucked in through the water inlet and is discharged to the water outlet pipe through the first water outlet when the impeller rotates, and after the liquid enters the water outlet pipe, the liquid pushes the blocking ball to block the water outlet of the second spherical plate after passing through the water outlet of the first spherical plate, so that the liquid can only enter the first cavity through the pore plate and then returns to the water outlet pipe through the second through hole, and the liquid 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, and the water through hole of the first spherical plate is blocked by the blocking ball when the water through hole of the second spherical plate is reached, so that the backflow liquid is not easy to continue to flow back, and the influence of the liquid backflow on a liquid source is reduced or even avoided. For the convenience of connecting the motor, the shaft may be further provided with a pulley 20, and the pulley and the output end of the motor are connected by a belt in use, which is well known to those skilled in the art and will not be described herein.
As a preferred embodiment, the vertical part is provided with a base, so that in use, the base is positioned at the bottom end of the mixed flow pump, and the height of the water through hole on the second spherical panel is lower than that of the first through hole, so that the backflow liquid firstly reaches the water through hole of the second spherical plate, the blocking ball is pushed to move to block the water through hole of the first spherical plate, and the backflow liquid is prevented from firstly or simultaneously reaching the first through hole 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 panel is lower than the first through hole.
Embodiment 2, embodiment 2 is a further improvement on embodiment 1, and referring to fig. 2 to 5, a structure for forming a first chamber is described below, 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, which is far away from the vertical part, and the bottom plate and the second horizontal part form sealing for 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 ends of the first side plate and the second side plate are connected with the bottom plate and the second horizontal part, and the top ends of the first side plate and the second side plate are connected with the first horizontal part to form sealing 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 structure reasonably utilizes the first horizontal part, the vertical part and the second horizontal part to form a component of a first chamber, materials are saved, of course, a box body can be directly arranged to form the first chamber, the first through hole and the second through hole are communicated with the interior of the box body, and the position is not particularly limited; further, the bottom plate is semicircular, the sealing plate extends downwards to form an extending 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 extending 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 water outlet 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 position where the bottom plate is connected with the second horizontal part, and a semicircular step 16 is arranged on the semicircular guard plate corresponding to the semicircular flange; the semi-circular flange with semi-circular step is connected and is formed third delivery port 17, be fixed with elastic block piece 18 on the semi-circular flange, block that the piece is close to one side of semi-circular flange is provided with rubber layer 19 or silica gel layer, and this structure blocks the piece through setting up second cavity and elasticity for liquid promotes the elasticity after the second delivery port of process reachs the third delivery port and blocks the piece and open, and liquid is discharged through the outlet pipe behind the third delivery port, and after shutting down, under the effect of elastic recovery power, the elasticity blocks the blockking of piece restoration to the liquid outlet, further prevents the liquid backward flow.
Embodiment 3, embodiment 3 is a further improvement on embodiment 2, and referring to fig. 6, a flow guide pipe 9 is provided on the second spherical panel and is communicated with the water through holes of the second spherical panel, and is disposed in parallel with the water outlet pipe (i.e. the flow guide pipe also includes an upper horizontal portion, a vertical portion and a lower horizontal portion, which are respectively in parallel with the first horizontal portion, the vertical portion and the second horizontal portion), and is located on one side of the vertical pipe close to the first spherical plate; one end of the draft tube, which is far away from the second spherical panel, is positioned in the second horizontal part and is positioned on the bottom surface of the second horizontal part; the honeycomb duct is kept away from the one end of the spherical panel of second is close to block the piece setting, through setting up the honeycomb duct for produce malleation in the honeycomb duct when starting this mixed flow pump and assist the promotion elasticity and block the piece and open, when shutting down, produce negative pressure in the honeycomb duct and assist the promotion shutoff ball and block up the water gap shutoff of first spherical 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, and referring to fig. 7, the mixed flow pump further includes a housing 100, the housing has the same structure as the above-mentioned housing, and is only named for the convenience of distinguishing, and the following liquid inlet, first liquid outlet, fan impeller, central shaft, liquid outlet pipe, connecting pipe, horizontal pipe, screen plate, blocking ball, elastic sheet and driving wheel correspond to the water inlet, first water outlet, impeller, rotating shaft, water outlet pipe, connecting part, first horizontal part, orifice plate, blocking ball, elastic blocking sheet and belt pulley in sequence, and the corresponding structures are the same for the convenience of distinguishing; the shell is provided with a liquid inlet 100-1 and a first liquid outlet 100-2, a fan wheel 200 is arranged in the shell, the shell is rotatably connected with a central shaft, one end of the central shaft is connected with the fan wheel, and the other end of the central shaft extends out of the shell; a liquid outlet pipe is connected to the position of the first liquid outlet on 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 interior of the first horizontal part is communicated with the interior 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 through holes 1100 are arranged on the third spherical plate and the fourth spherical plate corresponding to the centers of the blocking balls; 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, one side of the first elastic sheet close to the second through hole is provided with a first sealing layer, and the first sealing layer can be a rubber layer or a silica gel layer; 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 and can be a rubber layer or a silica gel layer; a support frame 21 is arranged on the first horizontal part and/or the horizontal water pipe, a connecting shaft 22 is rotatably connected to the support 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 a clutch type coupler.
The high-efficiency mixed-flow pump in the embodiment can be used in two ways:
in the using mode 1, a connecting shaft is connected with a rotating shaft and a central shaft through two clutch type couplings, so that an impeller and a fan impeller rotate simultaneously, liquid passes through a water inlet and a liquid inlet respectively, then passes through a first cavity and a third cavity respectively, finally flows together to a vertical pipe, passes through a third water outlet and is discharged through a water outlet pipe, in the process, a blocking ball blocks a water through hole of a second spherical plate and blocks a water through hole of a fourth spherical plate, the principle of the blocking ball is the same as that of the structure in the embodiment 2, only a liquid flow passage is added, the output quantity is large, in addition, a first elastic sheet is arranged on a second through hole, a second elastic sheet is arranged on a fourth through hole, when the machine is stopped, the liquid does not easily enter the first cavity and the third cavity when flowing back to the second through hole and the fourth through hole, the blocking ball and the blocking ball are directly pushed to move until the blocking ball blocks the water through hole of the first spherical plate, the blocking ball blocks the water through hole of the third spherical plate, the backflow preventing effect is better, the action principle of the first elastic sheet and the action principle of the second elastic sheet are the same as the action principle of the elastic blocking sheet, and the description is omitted here, and the structure of the first elastic sheet can be applied to embodiment 1, embodiment 2 and embodiment 3;
using mode 2, connect the connecting axle through a separation and reunion formula shaft coupling and pivot or central axle, make impeller or fan wheel rotate simultaneously, use the connecting pivot as an example, after liquid passes through the water inlet respectively, after getting into first horizontal part behind the first cavity, promote to block up the ball and block up the water hole that crosses of fourth spherical shaped plate, and pass through vertical pipe simultaneously, the third delivery port is back and is discharged through the outlet pipe, during the backward flow, produce the negative pressure in the first horizontal part, make to block up the ball and remove the water hole that crosses to fourth spherical shaped plate at first, alleviate the big end of outlet pipe department negative pressure, then make the limbers that the ball blockked up first spherical 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 an existing structure, or may use the following structure, referring to fig. 8, the clutch coupling includes a base 24-11, one end of the base is provided with a cylindrical groove, the bottom of the cylindrical groove is provided with an electromagnet 24-2, 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, the structure can enable the spline to be separated from the spline groove through the electromagnet to adsorb the spline so as to complete the separation action of the clutch type coupler, and the connection of the spline and the spline groove is recovered through the spring when the electromagnet is powered off so as to complete the connection action of the clutch; certainly also can make spline and spline groove connect the connection effect of accomplishing separation and reunion formula shaft coupling through electro-magnet repulsion spline, resume the separation of spline and spline groove through the spring when electro-magnet outage and accomplish the separation and connect the effect of combiner, in this embodiment, the spline can use magnetic material to make, also can inlay the magnet near the one end of electro-magnet on the spline, the realization is well known with the electro-magnet, this is the technical personnel in the field, no longer repeated here, this simple structure, the cost of making things convenient for.
It should be noted that the structure in embodiment 4 can be applied to embodiment 1 as well, and the above is merely an example.
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A high-efficiency 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 preparation method is characterized in that,
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, 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 (4-5) is formed at one end of the second horizontal part far away from the vertical part;
a first chamber (6) is arranged between the first horizontal part and the second horizontal part, a first through hole and a second through hole (1-2b) communicated with the first chamber 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;
be provided with first sphere shaped plate (7) and second sphere shaped plate (8) in the first horizontal part, the opening of first sphere shaped plate and the opening of second sphere shaped plate set up relatively, the second sphere shaped plate is located first through-hole with between the second through-hole, the orifice plate is located first sphere shaped plate with between the second sphere shaped plate, first sphere shaped plate with be provided with between the second sphere shaped plate and block up ball (10), correspond on first sphere shaped plate and the second sphere shaped plate the centre of sphere position of block up ball all is provided with limbers (11).
2. A high efficiency mixed flow pump as set forth in claim 1 wherein said containment ball has a diameter equal to a diameter of said first horizontal portion.
3. A high efficiency mixed flow pump as claimed in claim 2, wherein a sealing plate is provided between said first and second horizontal portions, said sealing plate being connected to said first and second horizontal portions respectively such that a first chamber is formed between said first and second horizontal portions.
4. A high efficiency mixed flow pump according to claim 3, wherein the length of the second horizontal portion is less than the length of the first horizontal portion, and the sealing plate comprises a bottom plate (5-1), a first side plate (5-2), a second side plate (5-3) and a closure plate (5-4);
one end of the bottom plate is connected with one end of the second horizontal part, which is far away from the vertical part, and the bottom plate and the second horizontal part form sealing for 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 ends of the first side plate and the second side plate are connected with the bottom plate and the second horizontal part, and the top ends of the first side plate and the second side plate are connected with the first horizontal part to form sealing 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.
5. A high efficiency mixed flow pump according to claim 4, wherein said bottom plate is semi-circular in shape, said sealing plate extends downward to form an extension (5-4a), a semi-circular guard plate (13) is provided at the bottom end of said bottom plate, one end of said semi-circular guard plate is connected to said second horizontal portion, and the other end is connected to said extension; 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 water outlet 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 position where the bottom plate is connected with the second horizontal part, and a semicircular step (16) is arranged on the semicircular guard plate 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.
6. A high efficiency mixed flow pump according to claim 5, wherein said second spherical panel is provided with a flow guide tube (9) communicating with the water passage hole of the second spherical panel, said flow guide tube being disposed parallel to said water outlet tube, said flow guide tube being located on a side of said vertical tube adjacent to said first spherical plate;
one end of the draft tube, which is far away from the second spherical panel, is positioned in the second horizontal part and is positioned on the bottom surface of the second horizontal part;
one end of the draft tube, which is far away from the second spherical panel, is close to the blocking piece.
7. A highly efficient mixed flow pump according to claim 5 or 6 wherein a pulley (20) is provided on the shaft.
8. The efficient mixed flow pump according to claim 7, further comprising a housing (100), wherein the housing is provided with a liquid inlet (100-1) and a first liquid outlet (100-2), the housing is internally provided with a fan wheel (200), the housing is rotatably connected with a central shaft, one end of the central shaft is connected with the fan wheel, and the other end of the central shaft extends out of the housing;
a liquid outlet pipe is connected to the position of the first liquid outlet on 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 interior of the first horizontal part is communicated with the interior 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 through holes (1100) are arranged on the third spherical plate and the fourth spherical plate corresponding to the ball centers of the blocking balls;
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 support frame (21) is arranged on the first horizontal part and/or the horizontal water pipe, a connecting shaft (22) is rotatably connected to the support 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.
9. The efficient mixed flow pump according to claim 8, wherein the clutch type coupling comprises a base body (24-11), one end of the base body is provided with a cylindrical groove, the bottom of the cylindrical groove is provided with an electromagnet (24-2), 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.
10. A high efficiency mixed flow pump as claimed in claim 1, wherein said vertical portion has a base mounted thereon; or, the first horizontal part is inclined so that the height of the water passage hole on the second spherical panel 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)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN114151350B CN114151350B (en) 2023-05-26

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101581312A (en) * 2009-06-10 2009-11-18 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
CN110005616A (en) * 2019-04-08 2019-07-12 浙江工业大学之江学院 A kind of multi-stage booster self priming pump automatic switch return valve
CN110985405A (en) * 2019-12-17 2020-04-10 江苏中苏智能制造有限公司 High-efficient mixed flow pump
CN111828340A (en) * 2020-06-17 2020-10-27 普轩特泵业股份有限公司 High-efficiency energy-saving self-suction centrifugal hydraulic system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101581312A (en) * 2009-06-10 2009-11-18 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
CN110005616A (en) * 2019-04-08 2019-07-12 浙江工业大学之江学院 A kind of multi-stage booster self priming pump automatic switch return valve
CN110985405A (en) * 2019-12-17 2020-04-10 江苏中苏智能制造有限公司 High-efficient mixed flow pump
CN111828340A (en) * 2020-06-17 2020-10-27 普轩特泵业股份有限公司 High-efficiency energy-saving self-suction centrifugal hydraulic system

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