CN107044423A - Self-priming multistage peripheral pump - Google Patents
Self-priming multistage peripheral pump Download PDFInfo
- Publication number
- CN107044423A CN107044423A CN201710491392.XA CN201710491392A CN107044423A CN 107044423 A CN107044423 A CN 107044423A CN 201710491392 A CN201710491392 A CN 201710491392A CN 107044423 A CN107044423 A CN 107044423A
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- CN
- China
- Prior art keywords
- pump
- self
- chamber
- priming
- runner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000002093 peripheral effect Effects 0.000 title claims abstract description 61
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 238000000926 separation method Methods 0.000 claims abstract description 20
- 230000008676 import Effects 0.000 claims description 10
- 238000010992 reflux Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000037452 priming Effects 0.000 abstract description 5
- 238000013475 authorization Methods 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- F04D1/06—Multi-stage 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides the self-priming multistage peripheral pump of one kind, belong to pump technology field.It solves existing self priming pump mostly single-stage pump, and its lift is relatively low, it is impossible to the problem of suitable for high level water.This self-priming multistage peripheral pump, including the internal pump housing with vortex pump chamber, be arranged in peripheral pump intracavitary by motor-driven pump shaft, the impeller positioned at peripheral pump intracavitary is arranged with pump shaft, vortex pump chamber is several and is parallel to each other in the pump housing, some vortex pump chambers are arranged in series and each peripheral pump intracavitary is equipped with an impeller being sheathed on pump shaft, the pump housing is provided with the water inlet connected with first order vortex pump chamber, it is additionally provided with the pump housing in the self-priming chamber connected with afterbody vortex pump chamber, self-priming chamber and is provided with gas-water separation structure.The present invention possesses self priming pump and peripheral pump feature, effectively increases lift, it is adaptable to high level water.
Description
Technical field
The invention belongs to pump technology field, it is related to a kind of peripheral pump, particularly a kind of self-priming multistage peripheral pump.
Background technology
Water pump in daily life be widely used in agricultural production, peripheral pump is one kind therein, and peripheral pump is general
Including impeller, motor and the pump housing, motor output shaft is connected through the pump housing with the impeller in the pump housing.For existing single-stage pump
To improve lift or flow, then need to carry out the change in structure, this is virtually increased for manufacturer
Cost, then adds many unnecessary consumption for the customer.And peripheral pump lacks multi-stage impeller structure, single-stage lift compared with
It is low, it is impossible to adapt to market with rapid changepl. never-ending changes and improvements, puzzlement is brought during to customer selecting water pump.
Therefore, Chinese patent discloses a kind of new multistage diving peripheral pump, [Authorization Notice No. is：CN 205478376
U], including the pump housing, the motor above the pump housing and be arranged in the pump housing and by motor-driven pump shaft, there is sky in the pump housing
Provided with the demarcation strip that cavity is divided into some pump chambers in chamber, the pump housing, the impeller being sheathed on pump shaft is equipped with each pump chamber,
Two ends pump chamber is respectively equipped with water inlet and delivery port, and adjacent pump chamber is in series successively, although the peripheral pump is multistage pump, but by
There is no self-suction function in it, it is impossible to use as self priming pump.The structure of self priming pump is CN203404094U's in Authorization Notice No.
There is disclosure in patent, it includes being provided with the pump housing, the water tank with water inlet and delivery port, water tank and is used to water tank being divided into left chamber
Room and the gas-water separation dividing plate of right chamber room, the top of left chamber are provided with gas-water separation baffle plate.Current self priming pump is generally single-stage pump,
Lift is relatively low, it is impossible to suitable for high level water.
The content of the invention
The purpose of the present invention is there is above mentioned problem for existing technology, it is proposed that a kind of self-priming with self-suction function
Formula multistage peripheral pump.
The purpose of the present invention can be realized by following technical proposal：
This self-priming multistage peripheral pump, including the internal pump housing with vortex pump chamber, be arranged in peripheral pump intracavitary by electricity
The impeller positioned at peripheral pump intracavitary is arranged with the pump shaft of machine driving, described pump shaft, it is characterised in that described vortex pump chamber
For several and it is parallel to each other in the pump housing, some vortex pump chambers are arranged in series and each peripheral pump intracavitary is equipped with a set
Impeller on pump shaft, the described pump housing is provided with the water inlet connected with first order vortex pump chamber, the described pump housing also
Provided with the self-priming chamber connected with afterbody vortex pump chamber, gas-water separation structure is provided with described self-priming chamber.
In above-mentioned self-priming multistage peripheral pump, the described pump housing includes connecting seat, pump cover and located at connecting seat and pump
Pump barrel between lid, motor is fixed on connecting seat, and described pump shaft stretches to peripheral pump intracavitary after passing through connecting seat, described
It is provided between mechanical seal, described connecting seat, pump barrel and pump cover and is connected by bolt between connecting seat and pump shaft.
In above-mentioned self-priming multistage peripheral pump, described vortex pump chamber is two, described connecting seat and pump cover it
Between dividing plate is fixed with by location structure, first order vortex pump chamber is located at the side of dividing plate, and second level vortex pump chamber is located at dividing plate
Opposite side, first order vortex pump chamber connected with second level vortex pump chamber by flow passage structure.
In above-mentioned self-priming multistage peripheral pump, described flow passage structure includes being located at first order vortex pump chamber exit
Runner one and the runner two positioned at second level vortex pump chamber import, the outlet phase of described runner one and second level vortex pump chamber
To setting, the import of described runner two and first order vortex pump chamber is oppositely arranged, between described runner one and runner two also
Provided with the runner three for both to be connected.
Because first order vortex pump chamber is parallel with second level vortex pump chamber, i.e. the import of first order vortex pump chamber and the second level
The import of vortex pump chamber is relative, and the outlet of first order vortex pump chamber is relative with the outlet of second level vortex pump chamber, two impeller rotations
When turning so that the current rotation direction of first order peripheral pump intracavitary is identical with the current rotation direction of second level peripheral pump intracavitary.
In above-mentioned self-priming multistage peripheral pump, described runner one is on pump barrel, and described runner two is located at pump
On cylinder, described runner three is located on pump barrel and runner three is in volute, rotation direction and the first order peripheral pump intracavitary of the runner three
Flowing to for current is identical.
In above-mentioned self-priming multistage peripheral pump, described runner one, runner two and runner three is located at the top of pump barrel.
When current flow, easily first order vortex pump chamber and the gas on second level vortex pump chamber top are taken away, make internal gas not residual
Stay, be easy to self-priming.
In above-mentioned self-priming multistage peripheral pump, described location structure includes radially prolonging along pump barrel on pump barrel
Positioning spiral shell is connected with the screwed hole stretched and the positioning hole being oppositely arranged with screwed hole on dividing plate, described screwed hole
Nail, one end of the positioning screw is stretched in positioning hole.
In above-mentioned self-priming multistage peripheral pump, described gas-water separation structure includes the air water point in self-priming chamber
Baffle plate from plate and above gas-water separation plate, is provided with air water refluxing opening between the gas-water separation plate and baffle plate, self-priming chamber
Top is provided with delivery port.
In above-mentioned self-priming multistage peripheral pump, the throw rijng on the outside of connecting seat is arranged with described pump shaft,
Described throw rijng is located between connecting seat and motor.
The operation principle of this self-priming multistage peripheral pump is as follows：Electric-motor driven pumps axle rotates, positioned at first order vortex pump chamber
Interior impeller and rotated simultaneously positioned at the impeller of second level peripheral pump intracavitary, water enters first order vortex pump chamber by water inlet
It is interior, second level peripheral pump intracavitary is entered by sequentially passing through runner one, runner three and runner two after first impeller supercharging, with
Current are pressurized by second impeller afterwards, then goes through in self-priming chamber, is discharged after gas-water separation by delivery port.
Compared with prior art, this self-priming multistage peripheral pump has advantages below：
By being provided with self-priming chamber, whole water pump is set to possess self-suction function, while two vortex pump chambers are provided with, to current
It is pressurized step by step, the lift that can be enhanced about more than once efficiently solves high-rise problem of water consumption；Runner one, runner two and runner
Three are located at the top of pump barrel, effectively can take away first order vortex pump chamber and the gas on second level vortex pump chamber top, runner three
In volute, flowing to for rotation direction and current is identical, reduces hydraulic loss.
Brief description of the drawings
Fig. 1 is the structural representation for the peripheral pump that the present invention is provided.
Fig. 2 is the sectional view for the pump housing that the present invention is provided.
Fig. 3 is sectional view at A-A in Fig. 2 for providing of the present invention.
Fig. 4 is sectional view at B-B in Fig. 2 for providing of the present invention.
Fig. 5 is sectional view at C-C in Fig. 2 for providing of the present invention.
In figure, 1, pump shaft；2nd, impeller；3rd, water inlet；4th, self-priming chamber；5th, connecting seat；6th, pump cover；7th, pump barrel；8th, machinery is close
Envelope；9th, dividing plate；10th, positioning screw；11st, runner one；12nd, runner two；13rd, runner three；14th, gas-water separation plate；15th, baffle plate；16、
Air water refluxing opening；17th, delivery port；18th, throw rijng.
Embodiment
The following is specific embodiment of the invention and with reference to accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
Self-priming multistage peripheral pump as shown in Figure 1, including inside have the pump housing of vortex pump chamber, are arranged in vortex pump chamber
The interior impeller 2 being arranged with motor-driven pump shaft 1, pump shaft 1 positioned at peripheral pump intracavitary, vortex pump chamber is two and mutual
Parallel to be located in the pump housing, two vortex pump chambers are arranged in series and each peripheral pump intracavitary is equipped with one and is sheathed on pump shaft 1
Impeller 2, the pump housing is provided with the water inlet 3 connected with first order vortex pump chamber, the pump housing and is additionally provided with and afterbody vortex pump chamber
Gas-water separation structure is provided with the self-priming chamber 4 of connection, self-priming chamber 4.
As shown in figure 1, the pump housing includes connecting seat 5, pump cover 6 and the pump barrel 7 between connecting seat 5 and pump cover 6, motor is solid
It is scheduled on connecting seat 5, pump shaft 1 stretches to peripheral pump intracavitary after passing through connecting seat 5, it is close provided with machinery between connecting seat 5 and pump shaft 1
Envelope 8, is connected between connecting seat 5, pump barrel 7 and pump cover 6 by bolt.
As shown in figure 1, being fixed with dividing plate 9, first order vortex pump chamber position by location structure between connecting seat 5 and pump cover 6
In the side of dividing plate 9, second level vortex pump chamber is located at the opposite side of dividing plate 9, first order vortex pump chamber and second level vortex pump chamber
Connected by flow passage structure.
As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, flow passage structure includes the runner 1 positioned at first order vortex pump chamber exit
With the runner 2 12 positioned at second level vortex pump chamber import, the outlet of runner 1 and second level vortex pump chamber is oppositely arranged, stream
The import in road 2 12 and first order vortex pump chamber is oppositely arranged, and is additionally provided between runner 1 and runner 2 12 for both to be connected
Logical runner 3 13.
Because first order vortex pump chamber is parallel with second level vortex pump chamber, i.e. the import of first order vortex pump chamber and the second level
The import of vortex pump chamber is relative, and the outlet of first order vortex pump chamber is relative with the outlet of second level vortex pump chamber, and two impellers 2 revolve
When turning so that the current rotation direction of first order peripheral pump intracavitary is identical with the current rotation direction of second level peripheral pump intracavitary.
As shown in Fig. 2 runner 1 is on pump barrel 7, runner 2 12 is on pump barrel 7, and runner 3 13 is on pump barrel 7
And runner 3 13 is in volute, the rotation direction of runner 3 13 is identical with flowing to for first order peripheral pump intracavitary current.
In the present embodiment, runner 1, runner 2 12 and runner 3 13 are located at the top of pump barrel 7.When current flow, easily
First order vortex pump chamber and the gas on second level vortex pump chamber top are taken away, internal gas is not remained, is easy to self-priming.
As shown in figure 1, location structure includes the screwed hole radially extended along pump barrel 7 being located on pump barrel 7 and located at dividing plate 9
On the positioning hole being oppositely arranged with screwed hole, be connected with positioning screw 10 in screwed hole, one end of positioning screw 10 is stretched to
In positioning hole.
As shown in figure 5, gas-water separation structure includes the gas-water separation plate 14 being located in self-priming chamber 4 and located at gas-water separation plate
The baffle plate 15 of 14 tops, is provided with air water refluxing opening 16, the top of self-priming chamber 4 is provided with out between the gas-water separation plate 14 and baffle plate 15
The mouth of a river 17.
As shown in figure 1, being arranged with the throw rijng 18 positioned at the outside of connecting seat 5 on pump shaft 1, throw rijng 18 is located at connecting seat 5
Between motor.
The operation principle of this self-priming multistage peripheral pump is as follows：Electric-motor driven pumps axle 1 rotates, positioned at first order vortex pump chamber
Interior impeller 2 and rotated simultaneously positioned at the impeller 2 of second level peripheral pump intracavitary, water enters first order peripheral pump by water inlet 3
Intracavitary, sequentially passes through runner 1, runner 3 13 and runner 2 12 after being pressurized by first impeller 2 and enters second level vortex
In pump chamber, then current are pressurized by second impeller 2, then gone through in self-priming chamber 4, by going out after gas-water separation
Discharge at the mouth of a river 17.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (9)
1. a kind of self-priming multistage peripheral pump, including the internal pump housing with vortex pump chamber, be arranged in peripheral pump intracavitary by electricity
The impeller (2) positioned at peripheral pump intracavitary is arranged with the pump shaft (1) of machine driving, described pump shaft (1), it is characterised in that described
Vortex pump chamber is several and is parallel to each other in the pump housing, some vortex pump chambers are arranged in series and each peripheral pump intracavitary is equal
Provided with an impeller being sheathed on pump shaft (1) (2), the described pump housing is provided with the water inlet connected with first order vortex pump chamber
(3), it is additionally provided with the self-priming chamber (4) connected with afterbody vortex pump chamber, described self-priming chamber (4) and is provided with the described pump housing
Gas-water separation structure.
2. self-priming multistage peripheral pump according to claim 1, it is characterised in that the described pump housing include connecting seat (5),
Pump cover (6) and the pump barrel (7) between connecting seat (5) and pump cover (6), motor are fixed on connecting seat (5), described pump shaft
(1) peripheral pump intracavitary is stretched to after passing through connecting seat (5), mechanical seal is provided between described connecting seat (5) and pump shaft (1)
(8), it is connected between described connecting seat (5), pump barrel (7) and pump cover (6) by bolt.
3. self-priming multistage peripheral pump according to claim 2, it is characterised in that described vortex pump chamber is two, institute
Dividing plate (9) is fixed with by location structure between the connecting seat (5) and pump cover (6) stated, first order vortex pump chamber is located at dividing plate (9)
Side, second level vortex pump chamber is located at the opposite side of dividing plate (9), and first order vortex pump chamber and second level vortex pump chamber pass through stream
Road fabric connectivity.
4. self-priming multistage peripheral pump according to claim 3, it is characterised in that described flow passage structure includes being located at the
The runner one (11) and the runner two (12) positioned at second level vortex pump chamber import in one-level vortex pump chamber exit, described runner
One (11) and the outlet of second level vortex pump chamber are oppositely arranged, the import phase of described runner two (12) and first order vortex pump chamber
To setting, the runner three (13) for both to be connected is additionally provided between described runner one (11) and runner two (12).
5. self-priming multistage peripheral pump according to claim 4, it is characterised in that described runner one (11) is located at pump barrel
(7) on, described runner two (12) is on pump barrel (7), and described runner three (13) is located on pump barrel (7) and runner three (13)
In volute, the rotation direction of the runner three (13) is identical with flowing to for first order peripheral pump intracavitary current.
6. self-priming multistage peripheral pump according to claim 5, it is characterised in that described runner one (11), runner two
(12) and runner three (13) be located at pump barrel (7) top.
7. self-priming multistage peripheral pump according to claim 3, it is characterised in that described location structure includes being located at pump
The screwed hole radially extended along pump barrel (7) on cylinder (7) and the positioning hole being oppositely arranged with screwed hole on dividing plate (9),
Positioning screw (10) is connected with described screwed hole, one end of the positioning screw (10) is stretched in positioning hole.
8. self-priming multistage peripheral pump according to claim 1, it is characterised in that described gas-water separation structure includes setting
In the gas-water separation plate (14) in self-priming chamber (4) and the baffle plate (15) above gas-water separation plate (14), the gas-water separation plate
(14) air water refluxing opening (16) is provided between baffle plate (15), the top of self-priming chamber (4) is provided with delivery port (17).
9. self-priming multistage peripheral pump according to claim 1, it is characterised in that be arranged with position on described pump shaft (1)
Throw rijng (18) on the outside of connecting seat (5), described throw rijng (18) is located at connecting seat (5) between motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710491392.XA CN107044423A (en) | 2017-06-26 | 2017-06-26 | Self-priming multistage peripheral pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710491392.XA CN107044423A (en) | 2017-06-26 | 2017-06-26 | Self-priming multistage peripheral pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107044423A true CN107044423A (en) | 2017-08-15 |
Family
ID=59546382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710491392.XA Pending CN107044423A (en) | 2017-06-26 | 2017-06-26 | Self-priming multistage peripheral pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107044423A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112648195A (en) * | 2020-12-30 | 2021-04-13 | 浙江豪贝泵业股份有限公司 | Self-priming centrifugal pump |
| CN113833667A (en) * | 2021-10-08 | 2021-12-24 | 江苏博禹泵业有限公司 | High-flow non-blocking high-suction-lift self-sucking pump with double inlets and easy-to-detach dirt cleaning plate |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080085185A1 (en) * | 2006-10-10 | 2008-04-10 | Greg Towsley | Multistage pump assembly |
| CN203404094U (en) * | 2013-08-20 | 2014-01-22 | 浙江大福泵业有限公司 | Self-priming pump |
| CN203441763U (en) * | 2013-08-06 | 2014-02-19 | 利欧集团股份有限公司 | Self-suction device of multistage centrifugal pump |
| CN203670235U (en) * | 2014-01-07 | 2014-06-25 | 台州凌霄泵业有限公司 | Double-impeller submersible pump |
| CN205478376U (en) * | 2016-04-15 | 2016-08-17 | 利欧集团浙江泵业有限公司 | Novel multistage dive volute pump |
| CN205937139U (en) * | 2016-08-24 | 2017-02-08 | 利欧集团浙江泵业有限公司 | Multi -stage centrifugal pump |
| CN206816505U (en) * | 2017-06-26 | 2017-12-29 | 台州凌霄泵业有限公司 | Self-priming multistage peripheral pump |
-
2017
- 2017-06-26 CN CN201710491392.XA patent/CN107044423A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080085185A1 (en) * | 2006-10-10 | 2008-04-10 | Greg Towsley | Multistage pump assembly |
| CN203441763U (en) * | 2013-08-06 | 2014-02-19 | 利欧集团股份有限公司 | Self-suction device of multistage centrifugal pump |
| CN203404094U (en) * | 2013-08-20 | 2014-01-22 | 浙江大福泵业有限公司 | Self-priming pump |
| CN203670235U (en) * | 2014-01-07 | 2014-06-25 | 台州凌霄泵业有限公司 | Double-impeller submersible pump |
| CN205478376U (en) * | 2016-04-15 | 2016-08-17 | 利欧集团浙江泵业有限公司 | Novel multistage dive volute pump |
| CN205937139U (en) * | 2016-08-24 | 2017-02-08 | 利欧集团浙江泵业有限公司 | Multi -stage centrifugal pump |
| CN206816505U (en) * | 2017-06-26 | 2017-12-29 | 台州凌霄泵业有限公司 | Self-priming multistage peripheral pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112648195A (en) * | 2020-12-30 | 2021-04-13 | 浙江豪贝泵业股份有限公司 | Self-priming centrifugal pump |
| CN113833667A (en) * | 2021-10-08 | 2021-12-24 | 江苏博禹泵业有限公司 | High-flow non-blocking high-suction-lift self-sucking pump with double inlets and easy-to-detach dirt cleaning plate |
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