CN110242581A - Self priming pump a kind of easy to disassemble and that work efficiency is high - Google Patents
Self priming pump a kind of easy to disassemble and that work efficiency is high Download PDFInfo
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- CN110242581A CN110242581A CN201910607560.6A CN201910607560A CN110242581A CN 110242581 A CN110242581 A CN 110242581A CN 201910607560 A CN201910607560 A CN 201910607560A CN 110242581 A CN110242581 A CN 110242581A
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- pump
- self
- impeller
- flow
- guiding type
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- 230000037452 priming Effects 0.000 title claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 238000000926 separation method Methods 0.000 claims abstract description 45
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 102000011842 Serrate-Jagged Proteins Human genes 0.000 claims abstract description 12
- 108010036039 Serrate-Jagged Proteins Proteins 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 20
- 230000007423 decrease Effects 0.000 claims description 17
- 230000008676 import Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 5
- 238000000605 extraction Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000007717 exclusion Effects 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 210000000867 larynx Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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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
- 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
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/12—Shaft sealings using sealing-rings
- F04D29/126—Shaft sealings using sealing-rings 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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/24—Vanes
- F04D29/242—Geometry, shape
-
- 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
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/445—Fluid-guiding means, e.g. diffusers 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/628—Mounting; Assembling; Disassembling of 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing 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
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially 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
- F04D9/00—Priming; Preventing vapour lock
- F04D9/02—Self-priming pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses self priming pumps a kind of easy to disassemble and that work efficiency is high, including self-sucking pump, half-opened impeller, check valve assembly, telescopic pump shaft, anti-water plug, flow-guiding type to draw adapter tube, pump cover, motor connection frame and direct-coupled electrical machinery.The beneficial effects of the present invention are: the present invention is exported in self-sucking pump using outlet pipe screw thread, adapter tube, which is drawn, with flow-guiding type is connected through a screw thread fixation, while guaranteeing that flow-guiding type draws adapter tube work using more consolidating firm, flow-guiding type is set to draw adapter tube installation or removal maintenance again more convenient, on the self priming pump component installation, dismantle it is very convenient, guarantee the self priming pump processing, cost when assembled it is lower;Flow-guiding type is drawn adapter tube upper end and is set with several serrate slots, convenient for quick connection rubber tube.Flow-guiding type, which is drawn, to be taken over close to vapor-liquid separation chamber upper end, and exhaust hole is provided with, and gas a part is excluded by outlet, remaining gas is on the other hand discharged into the separation chamber Qi Ye intracavitary, realization fast self-priming.
Description
Technical field
The present invention relates to a kind of self priming pump, specially a kind of easy to disassemble and the self priming pump that work efficiency is high belongs to self-priming
Pump applied technical field.
Background technique
A certain amount of water of self priming pump storage inside, after pump startup, due to impeller turning effort, the air and water of suction line
It being sufficiently mixed, and is discharged to steam-water separation chamber, the gas on steam-water separation chamber top excludes, and the liquid of lower part returns to impeller,
It with the gas mixing of suction line, constantly recycles in this way, will pump and the gas of suction chamber all empties.
Existing self priming pump remains many shortcomings when in use, anti-water plug on existing self priming pump,
Rubber tube and flow-guiding type extraction adapter tube are not convenient and fast when installing and using or dismantling, and cause self priming pump in processing, assembling
Cost it is at high cost, it is inconvenient to use, and power consumption when existing self-priming pump work is high, spend at high cost, staff is usually
Lift is reduced by the impeller in the cutting pump housing, makes lower power consumption when self-priming pump work, such mode can make impeller easily
Be damaged, cause the service life of self priming pump entirety to reduce, and the self-priming working efficiency of existing self priming pump is slow, self priming pump with
The fastness of motor connection frame connection is poor, causes the stability of self-priming pump work poor, the leakproofness of existing self priming pump entirety compared with
Difference.
Summary of the invention
The object of the invention is that being drawn to solve the anti-water plug on existing self priming pump, rubber tube and flow-guiding type
Adapter tube is not convenient and fast when installing and using or dismantling, and causes self priming pump at high cost in processing, cost when assembled, using not
It is convenient;And power consumption when existing self-priming pump work is high, spends at high cost;Staff is often through the impeller in the cutting pump housing
Lift is reduced, makes lower power consumption when self-priming pump work, such mode can make impeller be highly prone to damage, and cause self priming pump whole
The service life of body reduces;And the self-priming working efficiency of existing self priming pump is slow;The secured of frame connection is connected to motor in self priming pump
Property is poor, causes the stability of self-priming pump work poor;The poor problem of the leakproofness of existing self priming pump entirety, and propose one kind just
In the self priming pump dismounted and work efficiency is high.
The purpose of the present invention can be achieved through the following technical solutions: the self-priming that one kind is easy to disassemble and work efficiency is high
Pump, including self-sucking pump, half-opened impeller, check valve assembly, telescopic pump shaft, anti-water plug, flow-guiding type draw adapter tube, pump
Lid, motor connection frame and direct-coupled electrical machinery, pump housing one end lower section are provided with hand-tight nut, and through peace in the hand-tight nut
Equipped with anti-water plug, the hand-tight nut is arranged in steam-water separation chamber lower end, and described direct-coupled electrical machinery one end is vertically provided with electricity
Machine connection frame, and the self-sucking pump is connected to motor frame by pump cover and is fixedly connected, main shaft one end on direct-coupled electrical machinery is arranged
There is telescopic pump shaft, described telescopic pump shaft one end is provided with half-opened impeller, between the self-sucking pump and half-opened impeller
It vertically is embedded with impeller front cover liner plate, is provided with gap between the impeller front cover liner plate and the front shroud of half-opened impeller, is led to
It crosses impeller front cover liner plate and is adjusted and increase with half-opened impeller front cover sheet separation, this gap, pump lift decline, thus the self priming pump
Wasted work decline, avoid passing through cutting impeller come the problem of reducing lift, self-priming performance is caused to decline, on the one hand guarantee impeller not
It will receive damage, on the other hand, save the cost cost when self-priming pump work;
Wherein, anti-water plug is internally provided with internal screw thread, and the anti-water plug is spirally connected by internal screw thread and anti-water plug
It is fixed;
It is provided with import pipe screw thread at the pump housing inlet edge of the self-sucking pump, and is provided on the inside of the pump housing import
Check valve assembly;
The pump housing outlet of the self-sucking pump is provided with outlet pipe screw thread, and the outlet, which is threaded through, to be threaded with
The flow-guiding type of hollow-cylindrical structure draws adapter tube, and flow-guiding type extraction adapter tube outer wall upper end spaced set has several circles
The serrate slot of annular, the flow-guiding type, which draws to take over, is provided with exhaust hole close to vapor-liquid separation chamber upper end, and gas a part is logical
Outlet exclusion is crossed, it is intracavitary that remaining gas is on the other hand discharged into the separation chamber Qi Ye, realizes fast self-priming;
The pump cover both ends are provided with disk, and frame connection, the pump is connected to motor in the disk of described pump cover one end
The disk of the lid other end is connected with self-sucking pump, and three floors are vertically connected between two disks, and three floors are respectively arranged
Left and right and lower section between two disks while improving the sealing performance of self priming pump entirety, and makes pump cover and pump
The fastness that frame connection is connected to motor in body is higher;
Wherein, the pump cover is internally provided with machine sealing chamber and outside framework oil seal structure, the machine sealing chamber and outside framework oil seal structure
Inside is embedded with mechanical seal and outside framework oil seal respectively, and machine sealing chamber and outside framework oil seal structure are set in pump cover, is easily installed mechanical close
Envelope and outside framework oil seal form double-layer seal, while improving the sealing performance of self priming pump entirety, and make pump cover and the pump housing
The fastness that frame connection is connected to motor is higher, ensure that the stability of the self-priming pump work, and improve making for the self priming pump
Use the service life.
Further technological improvement of the invention is: hole choker block, hole choker block both ends are arranged on the hand-tight nut
It is fitted and connected with self-sucking pump one end side wall, through hole choker block guarantees that hand-tight nut more fastens with self-sucking pump, is firm.
Further technological improvement of the invention is: the junction of the half-opened impeller and telescopic pump shaft is provided with anti-
Loose impeller nut is fixed half-opened impeller by locking impeller nut, and guarantee half-opened impeller is stronger when working, and covers
Cartridge type pump shaft one end and the junction two sides of half-opened impeller are provided with key.
Further technological improvement of the invention is: the direct-coupled electrical machinery is rotated by telescopic pump shaft and half-opened impeller
Connection, and telescopic pump shaft runs through pump cover.
Further technological improvement of the invention is: organic envelope positioning being arranged between the mechanical seal and outside framework oil seal
Set, the machine envelope positioning sleeve is hollow structure.
Further technological improvement of the invention is: the plane where the impeller front cover liner plate and half-opened impeller is in flat
Row setting is adjusted by impeller front cover liner plate and is increased with half-opened impeller front cover sheet separation, this gap, pump lift decline, from
And the wasted work decline of the self priming pump, the problem of avoiding passing through cutting impeller to reduce lift, self-priming performance is caused to decline, on the one hand
Guarantee that impeller will not be damaged, on the other hand, saves the cost cost when self-priming pump work, and telescopic pump shaft and half
Unshrouded impeller is vertical setting, and guarantees that half-opened impeller is more steady, smooth in rotation.
The application method of the self priming pump specifically includes the following steps:
Step 1: after the self-priming pump startup, direct-coupled electrical machinery drives half-opened impeller rotation by telescopic pump shaft, from pump
The air of body import suction line is sufficiently mixed with water, and is discharged to steam-water separation chamber, and the gas on steam-water separation chamber top excludes,
The liquid of lower part returns to the gas mixing to half-opened impeller and suction line, so continuous circulation, by self-sucking pump and
The gas of suction chamber all empties;
Step 2: self-sucking pump is equipped with anti-water plug in steam-water separation chamber lower end, is fixed by hand-tight nut, in self priming pump
Body is equipped with impeller front cover liner plate close to half-opened impeller position, is adjusted and half-opened impeller front shroud by impeller front cover liner plate
Gap, this gap increase, the lift decline of self priming pump;
Step 3: exporting using outlet pipe screw thread in self-sucking pump, draw adapter tube with flow-guiding type and be connected through a screw thread fixation,
Several serrate slot connection rubber tubes of adapter tube upper end are drawn by flow-guiding type, flow-guiding type, which is drawn, to be taken in vapor-liquid separation chamber
End is provided with exhaust hole, and gas a part is excluded by outlet, and remaining gas is on the other hand discharged into vapor-liquid separation chamber
It is interior, realize fast self-priming;
Step 4: one end disc of pump cover of the self priming pump is connected to motor frame and is connected, and an end disc is connected with self-sucking pump,
By the machine sealing chamber and outside framework oil seal structure that are arranged inside pump cover mechanical seal and outside framework oil seal are installed respectively, are formed double-deck close
Envelope.
Compared with prior art, the beneficial effects of the present invention are:
1, the pump housing of the invention is equipped with anti-water plug in steam-water separation chamber lower end, is fixed by hand-tight nut, anti-water plug
Through hand-tight nut, and hand-tight nut is spirally connected by internal screw thread and anti-water plug outer wall, using hand-tight nut, is not necessary to spanner
Disassembly, and the installation and removal for anti-water plug of being more convenient for, pump housing import are threadedly coupled using inlet tube, and are furnished with check-valves,
The pump housing is equipped with impeller front cover liner plate close to impeller location, adjustable between half-opened impeller front shroud by impeller front cover liner plate
Gap, this gap increase, and pump lift decline so that the wasted work of the self priming pump declines, avoids passing through cutting impeller to reduce lift, makes
On the one hand the problem of declining at self-priming performance guarantees that impeller will not be damaged, on the other hand, when saving the self-priming pump work
Cost cost.
2, the present invention draws adapter tube using flow-guiding type in self-sucking pump outlet, which gos deep into vapour-liquid point inside pump case
From chamber close to the position of pumping chamber, is drawn when gas-liquid separation chamber's water flooding flow-guiding type and take over lower end, thrown away using liquid dynamic
Can, discharge pump chamber is taken over by drawing.In addition the adapter tube is being provided with row close to gas-liquid separation chamber upper end position inside pump case
Stomata, gas-liquid a part are excluded by outlet, and it is intracavitary that another part body discharges into vapor-liquid separation chamber, are so recycled, real
Existing fast self-priming function, must flood pump housing gas-liquid separation chamber without liquid level, just be able to achieve drain function, the present invention is in self-priming
Pump housing outlet is drawn adapter tube with flow-guiding type and is connected through a screw thread fixation using outlet pipe screw thread, draws adapter tube in guarantee flow-guiding type
Work using more consolidate firm while, and make flow-guiding type draw adapter tube installation or removal safeguard more convenient, the self priming pump
On component installation, dismantle it is very convenient, guarantee the self priming pump processing, cost when assembled it is lower;Flow-guiding type draws adapter tube
Upper end is set with several serrate slots, is convenient for quick connection rubber tube, and the mutual cooperation of several serrate slots connects and fixes rubber tube, protects
It is stronger that card rubber tube is fixed use, and very convenient rubber tube is dismounted.Flow-guiding type, which is drawn, to be taken over close to vapour
Liquid separates chamber upper end, is provided with exhaust hole, and gas a part is excluded by outlet, on the other hand discharges into remaining gas
The separation chamber Qi Ye is intracavitary, realizes fast self-priming.
3, one end disc of self priming pump pump cover is connected to motor frame and is connected, and an end disc is connected with the pump housing, has between two disks
Three floor connections, three floors are evenly distributed on the left and right and lower section between two disks, and machine sealing chamber and bone are set in pump cover
Frame oil enveloping structure is easily installed mechanical seal and outside framework oil seal, double-layer seal is formed, in the sealing for improving self priming pump entirety
While performance, but pump cover is connected to motor with the pump housing fastness that frame connects is higher, ensure that the steady of the self-priming pump work
It is qualitative, and improve the service life of the self priming pump.The self priming pump is easy to operate, firm and durable, has good social benefit,
It is suitble to promote the use of.
Detailed description of the invention
In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the drawings.
Fig. 1 is overall cross section of the present invention.
Fig. 2 is the hand-tight nut schematic cross-section of the present invention.
In figure: 1, hand-tight nut;2, anti-water plug;3, hole choker block;4, impeller front cover liner plate;5, locking impeller nut;6,
Key;7, half-opened impeller;8, import pipe screw thread;9, check valve assembly;10, self-sucking pump;11, pipe screw thread is exported;12, flow-guiding type
Draw adapter tube;13, pump cover;14, mechanical seal;15, machine seals positioning sleeve;16, outside framework oil seal;17, telescopic pump shaft;18, motor
Connection frame;19, direct-coupled electrical machinery;20, serrate slot;21, internal screw thread.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality
Applying example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff all other embodiment obtained without creative efforts belongs to what the present invention protected
Range.
It please refers to shown in Fig. 1-2, a kind of easy to disassemble and the self priming pump that work efficiency is high, including self-sucking pump 10, half-open
Formula impeller 7, check valve assembly 9, telescopic pump shaft 17, anti-water plug 2, flow-guiding type draw adapter tube 12, pump cover 13, motor connection frame
18 and direct-coupled electrical machinery 19, hand-tight nut 1 is provided with below 10 one end of the pump housing, and through being equipped with anti-water plug in hand-tight nut 1
2, hand-tight nut 1 is arranged in steam-water separation chamber lower end, and 19 one end of direct-coupled electrical machinery is vertically provided with motor connection frame 18, and self-priming
The pump housing 10 is connected to motor frame 18 by pump cover 13 and is fixedly connected, and main shaft one end on direct-coupled electrical machinery 19 is arranged with telescopic pump shaft
17, telescopic 17 one end of pump shaft is provided with half-opened impeller 7, is vertically embedded with leaf between self-sucking pump 10 and half-opened impeller 7
Front cover liner plate 4 is taken turns, gap is provided between impeller front cover liner plate 4 and the front shroud of half-opened impeller 7, passes through impeller front cover liner plate
4 adjustable and half-opened impeller front cover sheet separations, this gap increase, and pump lift decline so that the wasted work of the self priming pump declines, is kept away
Exempt from the problem of reducing lift, self-priming performance is caused to decline, on the one hand to guarantee that impeller will not be damaged by cutting impeller, separately
On the one hand, the cost cost when self-priming pump work is saved, the present invention draws adapter tube using flow-guiding type in self-sucking pump outlet,
Pump case inside vapor-liquid separation chamber is goed deep into close to the position of pumping chamber in the adapter tube lower end.Pumping chamber larynx inside adapter tube bore and pump case
Portion's area is suitable.Adapter tube vapor-liquid separation chamber upper end position inside pump case is provided with gas vent, when impeller rotates, a part of liquid
Body and gas mixing night are excluded by outlet, and it is intracavitary that remaining gas through hole is discharged into vapor-liquid separation chamber by another part, such as
This circulation, to realize fast self-priming function;
Wherein, anti-water plug 2 is internally provided with internal screw thread 21, and anti-water plug 2 passes through internal screw thread 21 and anti-2 spiral shell of water plug
Connect fixation;
It is provided with import pipe screw thread 8 at the pump housing inlet edge of self-sucking pump 10, and is provided with non-return on the inside of pump housing import
Valve module 9;
The pump housing outlet of self-sucking pump 10 is provided with outlet pipe screw thread 11, and outlet pipe screw thread 11 has been connected through a screw thread hollow
The flow-guiding type of cylindrical structure draws adapter tube 12, and flow-guiding type extraction 12 outer wall upper end spaced set of adapter tube has several annulus
The serrate slot 20 of shape, flow-guiding type draw adapter tube 12 and vapor-liquid separation chamber upper end are provided with exhaust hole, and gas a part passes through
Outlet excludes, and it is intracavitary that remaining gas is on the other hand discharged into the separation chamber Qi Ye, realizes fast self-priming;
13 both ends of pump cover are provided with disk, and the connection of frame 18 is connected to motor in the disk of 13 one end of pump cover, and pump cover 13 is another
The disk of one end is connected with self-sucking pump 10, and three floors are vertically connected between two disks, and three floors are arranged in
Left and right and lower section between two disks while improving the sealing performance of self priming pump entirety, and makes pump cover 13 and pump
The fastness that the connection of frame 19 is connected to motor in body is higher;
Wherein, pump cover 13 is internally provided with machine sealing chamber and outside framework oil seal structure, machine sealing chamber and outside framework oil seal inside configuration point
It is not embedded with mechanical seal 14 and outside framework oil seal 16, machine sealing chamber and outside framework oil seal structure are set in pump cover 13, is easily installed mechanical close
Envelope 14 and outside framework oil seal 16 form double-layer seal, while improving the sealing performance of self priming pump entirety, and make pump cover 13
The fastness that the connection of frame 19 is connected to motor with the pump housing is higher, ensure that the stability of the self-priming pump work, and improves this certainly
The service life of sucking pump.
As a kind of technical optimization scheme of the invention, be arranged with hole choker block 3 on hand-tight nut 1,3 both ends of hole choker block with
10 one end side wall of self-sucking pump is fitted and connected, and through hole choker block 3 guarantees that hand-tight nut 1 more fastens with self-sucking pump 10, is firm.
As a kind of technical optimization scheme of the invention, half-opened impeller 7 and the junction of telescopic pump shaft 17 are provided with
Locking impeller nut 5, it is by locking impeller nut 5 that half-opened impeller 7 is fixed, guarantee more firm when half-opened impeller 7 works
Gu and 17 one end of telescopic pump shaft and the junction two sides of half-opened impeller 7 are provided with key 6.
As a kind of technical optimization scheme of the invention, direct-coupled electrical machinery 19 passes through telescopic pump shaft 17 and half-opened impeller 7
Rotation connection, and telescopic pump shaft 17 runs through pump cover 13.
As a kind of technical optimization scheme of the invention, organic envelope positioning is set between mechanical seal 14 and outside framework oil seal 16
Set 15, it is hollow structure that machine, which seals positioning sleeve 15,.
As a kind of technical optimization scheme of the invention, the plane where impeller front cover liner plate 4 and half-opened impeller 7 is in flat
Row setting is adjusted by impeller front cover liner plate 4 and is increased with half-opened impeller front cover sheet separation, this gap, pump lift decline, from
And the wasted work decline of the self priming pump, the problem of avoiding passing through cutting impeller to reduce lift, self-priming performance is caused to decline, on the one hand
Guarantee that impeller will not be damaged, on the other hand, save the cost cost when self-priming pump work, and telescopic pump shaft 17 with
Half-opened impeller 7 is vertical setting, and guarantees that half-opened impeller 7 is more steady, smooth in rotation.
The application method of the self priming pump specifically includes the following steps:
Step 1: after the self-priming pump startup, direct-coupled electrical machinery 19 drives half-opened impeller 7 to revolve by telescopic pump shaft 17
Turn, is sufficiently mixed from the air of pump housing import suction line with water, and be discharged to steam-water separation chamber, the gas on steam-water separation chamber top
Body excludes, and the liquid of lower part returns to the gas mixing to half-opened impeller 7 and suction line, constantly recycles in this way, will be certainly
The gas of sucking pump body 10 and suction chamber all empties;
Step 2: self-sucking pump 10 is equipped with anti-water plug 2 in steam-water separation chamber lower end, fixed by hand-tight nut 1, certainly
Sucking pump body 10 is equipped with impeller front cover liner plate 4 close to 7 position of half-opened impeller, is adjusted and semi-open type leaf by impeller front cover liner plate 4
Front cover sheet separation is taken turns, this gap increases, the lift decline of self priming pump;
Step 3: it exports in self-sucking pump using outlet pipe screw thread 11, draws adapter tube 12 with flow-guiding type and be connected through a screw thread
It is fixed, 20 connection rubber tube of several serrate slots of 12 upper end of adapter tube is drawn by flow-guiding type, flow-guiding type draws adapter tube 12 close to vapour
Liquid separation chamber upper end is provided with exhaust hole, and gas a part is excluded by outlet, on the other hand discharges into remaining gas
Vapor-liquid separation chamber is intracavitary, realizes fast self-priming;
Step 4: 13 1 end disc of pump cover of the self priming pump is connected to motor frame 18 and is connected, an end disc and self-sucking pump
10 are connected, and install mechanical seal 14 and outside framework oil seal respectively by the machine sealing chamber and outside framework oil seal structure that are arranged inside pump cover 13
16, form double-layer seal.
Compared with prior art, the beneficial effects of the present invention are:
1, the pump housing of the invention is equipped with anti-water plug 2 in steam-water separation chamber lower end, fixed by hand-tight nut 1, anti-water hole
Plug 2 runs through hand-tight nut 1, and hand-tight nut 1 is spirally connected by internal screw thread and anti-2 outer wall of water plug, using hand-tight nut 1, is not necessary to
Spanner, that is, detachable, and the installation and removal for anti-water plug 2 of being more convenient for, pump housing import is connected using import pipe screw thread 8, and is furnished with
Check-valves 9 is equipped with impeller front cover liner plate 4 in the pump housing close to 7 position of impeller, by the way that impeller front cover liner plate 4 is adjustable and semi-open type
Front shroud of impeller gap, this gap increase, and pump lift decline so that the wasted work of the self priming pump declines, avoids passing through cutting impeller
The problem of reducing lift, self-priming performance is caused to decline, on the one hand to guarantee that impeller will not be damaged, and on the other hand, save
Cost cost when the self-priming pump work.
2, the present invention is exported in self-sucking pump using outlet pipe screw thread 11, is drawn adapter tube 12 with flow-guiding type and is connected through a screw thread
It is fixed, while guaranteeing that flow-guiding type draws the work of adapter tube 12 using more consolidating firm, and so that flow-guiding type is drawn adapter tube 12 and pacify
Dress or demolition and maintenance are more convenient, and the installation of component on the self priming pump is dismantled very convenient, guarantee the self priming pump in processing, group
Cost when dress is lower;Flow-guiding type is drawn 12 upper end of adapter tube and is set with several serrate slots 20, and quick connection rubber tube is convenient for, and several
The mutual cooperation of serrate slot 20 connects and fixes rubber tube, guarantees that rubber tube is fixed using stronger and very convenient
Rubber tube is dismounted.Flow-guiding type draws adapter tube 12 close to vapor-liquid separation chamber upper end, is provided with exhaust hole, gas a part is logical
Outlet exclusion is crossed, it is intracavitary that remaining gas is on the other hand discharged into the separation chamber Qi Ye, realizes fast self-priming.
3,13 1 end disc of self priming pump pump cover be connected to motor frame 18 be connected, an end disc is connected with the pump housing, two disks it
Between have the connection of three floors, three floors are evenly distributed on the left and right and lower section between two disks, and machine envelope is set in pump cover 13
Chamber and outside framework oil seal structure are easily installed mechanical seal 14 and outside framework oil seal 16, form double-layer seal, are improving the self priming pump
While the sealing performance of entirety, and the fastness for making pump cover 13 and the pump housing that the connection of frame 19 be connected to motor is higher, ensure that this
The stability of self-priming pump work, and improve the service life of the self priming pump.The self priming pump is easy to operate, and firm and durable has
Good social benefit is suitble to promote the use of.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, also do not limit the specific embodiment that the invention is only.Obviously, according to the content of this specification, can make
Many modifications and variations.These embodiments are chosen and specifically described to this specification, is original in order to better explain the present invention
Reason and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only authorized
The limitation of sharp claim and its full scope and equivalent.
Claims (7)
1. self priming pump a kind of easy to disassemble and that work efficiency is high, it is characterised in that: including self-sucking pump (10), half-opened impeller
(7), check valve assembly (9), telescopic pump shaft (17), anti-water plug (2), flow-guiding type draw adapter tube (12), pump cover (13), motor
Connection frame (18) and direct-coupled electrical machinery (19), the pump housing (10) one end lower section is provided with hand-tight nut (1), and the hand-tight nut
(1) through being equipped with anti-water plug (2) in, the hand-tight nut (1) is arranged in steam-water separation chamber lower end, the direct-coupled electrical machinery
(19) one end is vertically provided with motor connection frame (18), and frame is connected to motor by pump cover (13) in the self-sucking pump (10)
(18) it is fixedly connected, main shaft one end on direct-coupled electrical machinery (19) is arranged with telescopic pump shaft (17), the telescopic pump shaft (17)
One end is provided with half-opened impeller (7), is vertically embedded with impeller front cover between the self-sucking pump (10) and half-opened impeller (7)
Liner plate (4) is provided with gap between the impeller front cover liner plate (4) and the front shroud of half-opened impeller (7);
Wherein, anti-water plug (2) is internally provided with internal screw thread (21), and the anti-water plug (2) by internal screw thread (21) and is prevented
Water plug (2) is spirally connected fixation;
It is provided with import pipe screw thread (8) at the pump housing inlet edge of the self-sucking pump (10), and is set on the inside of the pump housing import
It is equipped with check valve assembly (9);
The pump housing outlet of the self-sucking pump (10) is provided with outlet pipe screw thread (11), and the outlet pipe screw thread (11) passes through screw thread
The flow-guiding type for being connected with hollow cylindrical structure draws adapter tube (12), and the flow-guiding type is drawn and taken between (12) outer wall upper end etc.
Away from the serrate slot (20) for being provided with several circular ring shapes, the flow-guiding type is drawn adapter tube 12 and is arranged close to vapor-liquid separation chamber upper end
There is exhaust hole;
Pump cover (13) both ends are provided with disk, and frame (18) are connected to motor even in the disk of the pump cover (13) one end
It connecing, the disk of pump cover (13) other end is connected with self-sucking pump (10), three floors are vertically connected between two disks,
Three floors are arranged in the left and right and lower section between two disks;
Wherein, the pump cover (13) is internally provided with machine sealing chamber and outside framework oil seal structure, the machine sealing chamber and outside framework oil seal structure
Inside is embedded with mechanical seal (14) and outside framework oil seal (16) respectively.
The self priming pump that 2. one kind according to claim 1 is easy to disassemble and work efficiency is high, which is characterized in that described hand-tight
It is arranged on nut (1) hole choker block (3), hole choker block (3) both ends are fitted and connected with self-sucking pump (10) one end side wall.
The self priming pump that 3. one kind according to claim 1 is easy to disassemble and work efficiency is high, which is characterized in that described half-open
The junction of formula impeller (7) and telescopic pump shaft (17) is provided with locking impeller nut (5), and telescopic pump shaft (17) one end with
The junction two sides of half-opened impeller (7) are provided with key (6).
The self priming pump that 4. one kind according to claim 1 is easy to disassemble and work efficiency is high, which is characterized in that the direct connection
Motor (19) is rotatablely connected by telescopic pump shaft (17) and half-opened impeller (7), and telescopic pump shaft (17) runs through pump cover
(13)。
The self priming pump that 5. one kind according to claim 1 is easy to disassemble and work efficiency is high, which is characterized in that the machinery
Organic envelope positioning sleeve (15) is set between sealing (14) and outside framework oil seal (16), and machine envelope positioning sleeve (15) is hollow structure.
The self priming pump that 6. one kind according to claim 1 is easy to disassemble and work efficiency is high, which is characterized in that the impeller
Front cover liner plate (4) is set in parallel with the plane where half-opened impeller (7), and telescopic pump shaft (17) and half-opened impeller
(7) it is vertical setting.
The self priming pump that 7. one kind according to claim 1 is easy to disassemble and work efficiency is high, which is characterized in that the self priming pump
Application method specifically includes the following steps:
Step 1: after the self-priming pump startup, direct-coupled electrical machinery (19) drives half-opened impeller (7) rotation by telescopic pump shaft (17)
Turn, is sufficiently mixed from the air of pump housing import suction line with water, and be discharged to steam-water separation chamber, the gas on steam-water separation chamber top
Body excludes, and the liquid of lower part is returned to the gas mixing of half-opened impeller (7) and suction line, is constantly recycled in this way, will
The gas of self-sucking pump (10) and suction chamber all empties;
Step 2: self-sucking pump (10) is equipped with anti-water plug (2) in steam-water separation chamber lower end, fixed by hand-tight nut (1),
Self-sucking pump (10) is equipped with impeller front cover liner plate (4) close to half-opened impeller (7) position, is adjusted by impeller front cover liner plate (4)
With half-opened impeller front cover sheet separation, this gap increases, the lift decline of self priming pump;
Step 3: it exports in self-sucking pump using outlet pipe screw thread (11), draws adapter tube (12) with flow-guiding type and be connected through a screw thread
It is fixed, 20 connection rubber tube of several serrate slots of adapter tube (12) upper end is drawn by flow-guiding type, flow-guiding type is drawn adapter tube (12) and leaned on
Nearly vapor-liquid separation chamber upper end is provided with exhaust hole, and gas a part is excluded by outlet, on the other hand by remaining gas
It is intracavitary to discharge into vapor-liquid separation chamber, realizes fast self-priming;
Step 4: (13) one end disc of pump cover of the self priming pump is connected to motor frame (18) and is connected, an end disc and self-sucking pump
(10) it is connected, mechanical seal (14) and skeleton is installed by the machine sealing chamber and outside framework oil seal structure that are arranged inside pump cover (13) respectively
Oil sealing (16) forms double-layer seal.
Priority Applications (1)
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CN201910607560.6A CN110242581A (en) | 2019-07-04 | 2019-07-04 | Self priming pump a kind of easy to disassemble and that work efficiency is high |
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CN201910607560.6A CN110242581A (en) | 2019-07-04 | 2019-07-04 | Self priming pump a kind of easy to disassemble and that work efficiency is high |
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CN201910607560.6A Pending CN110242581A (en) | 2019-07-04 | 2019-07-04 | Self priming pump a kind of easy to disassemble and that work efficiency is high |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113266575A (en) * | 2021-05-24 | 2021-08-17 | 刘倩倩 | Sewage pump |
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GB1464027A (en) * | 1973-10-31 | 1977-02-09 | Gorman Rupp Co | Self-priming centrifugal pump |
CN201228672Y (en) * | 2008-07-14 | 2009-04-29 | 芜湖长江泵业有限公司 | Single-stage marine self-sucking non-plugging dredge pump |
CN102734177A (en) * | 2012-06-08 | 2012-10-17 | 李冬庆 | Direct-connection self-sucking pump |
CN204716547U (en) * | 2015-06-12 | 2015-10-21 | 郭其新 | A kind of self-priming pump |
CN109578288A (en) * | 2019-01-02 | 2019-04-05 | 三联泵业股份有限公司 | A kind of gas-liquid mixed type self priming centrifugal pump |
CN210317788U (en) * | 2019-07-04 | 2020-04-14 | 安徽莱恩电泵有限公司 | Self priming pump convenient to dismouting and work efficiency are high |
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2019
- 2019-07-04 CN CN201910607560.6A patent/CN110242581A/en active Pending
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Publication number | Priority date | Publication date | Assignee | Title |
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GB1464027A (en) * | 1973-10-31 | 1977-02-09 | Gorman Rupp Co | Self-priming centrifugal pump |
CN201228672Y (en) * | 2008-07-14 | 2009-04-29 | 芜湖长江泵业有限公司 | Single-stage marine self-sucking non-plugging dredge pump |
CN102734177A (en) * | 2012-06-08 | 2012-10-17 | 李冬庆 | Direct-connection self-sucking pump |
CN204716547U (en) * | 2015-06-12 | 2015-10-21 | 郭其新 | A kind of self-priming pump |
CN109578288A (en) * | 2019-01-02 | 2019-04-05 | 三联泵业股份有限公司 | A kind of gas-liquid mixed type self priming centrifugal pump |
CN210317788U (en) * | 2019-07-04 | 2020-04-14 | 安徽莱恩电泵有限公司 | Self priming pump convenient to dismouting and work efficiency are high |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113266575A (en) * | 2021-05-24 | 2021-08-17 | 刘倩倩 | Sewage pump |
CN113266575B (en) * | 2021-05-24 | 2022-11-04 | 宜昌市西峡泵业有限公司 | Sewage pump |
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