CN206054320U - Self priming centrifugal pump - Google Patents
Self priming centrifugal pump Download PDFInfo
- Publication number
- CN206054320U CN206054320U CN201620994635.2U CN201620994635U CN206054320U CN 206054320 U CN206054320 U CN 206054320U CN 201620994635 U CN201620994635 U CN 201620994635U CN 206054320 U CN206054320 U CN 206054320U
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- China
- Prior art keywords
- water
- centrifugal pump
- self priming
- priming centrifugal
- lid
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Abstract
This utility model provides a kind of self priming centrifugal pump, belongs to pump technology field.It solves the problems, such as that existing self priming centrifugal pump self-priming effect is bad and flow is little.This self priming centrifugal pump, including the pump housing and motor, the lid of tubular is fixed with the pump housing, the cavity of the pump housing is divided into intake antrum and water chamber by lid, the pump housing is provided with the water inlet end being connected with intake antrum and the water side being connected with water chamber, the pump housing is provided with rotating shaft and impeller, impeller is located in described lid, the lower end of lid has water inlet, the side wall of lid is provided with outlet one and outlet two, the medial wall of the pump housing is provided with two swirl channels, the inner of the inner and outlet two of outlet one is connected with the outer end of corresponding swirl channel respectively, open toward outside and offset the extended line of the side wall for corresponding to swirl channel in the outer end of outlet one.This self priming centrifugal pump has the advantages that self-priming effect is preferable and flow is big.
Description
Technical field
This utility model belongs to pump technology field, is related to a kind of centrifugal pump, particularly a kind of self priming centrifugal pump.
Background technology
Centrifugal pump is widely used as a kind of medium conveying apparatus.Traditional centrifugal pump mainly by the pump housing, turn
Axle, impeller and gland seal device composition, the pump housing are provided with medium inlet port, outlet of the medium and connection medium inlet port and medium flow field
The runner of outlet.Generally, double shrouded wheel is adopted impeller, requirement of the double shrouded wheel to runner is higher, the flow in the pump housing needs more
Wider structure is designed as, and such design is used when can only be directed to the larger operating mode of pumped (conveying) medium, for low discharge field then
The conveying to medium cannot be implemented.
A kind of Dual-shell small-flow centrifugal pump (application number as disclosed in Chinese patent literature：201110431992.X), bag
The pump housing, gland seal device, the pump cover between the pump housing and gland seal device, rotating shaft and impeller are included, is provided between the pump housing and pump cover
Runner, the pump housing are provided with the medium inlet port and outlet of the medium turned on by runner, and impeller is connected with rotating shaft and is extended
To runner, impeller is unshrouded impeller, is provided with pump housing liner and pump cover liner, passes through between outlet of the medium and runner in runner
Be opened in lining in the pump housing diffusion hole conducting, the diffusion hole it is conically shaped, the one end being connected with outlet of the medium is
Big to hold, the one end being connected with runner is small end；Runner is adapted to the outline of impeller, and the cross section of runner is in cylinder.But
The outlet of the medium of the centrifugal pump is common outlet, and with self-priming effect, therefore its flow is not less.
The content of the invention
The purpose of this utility model is there are the problems referred to above for existing technology, it is proposed that a kind of self-priming effect is preferable
And the big self priming centrifugal pump of flow.
The purpose of this utility model can be realized by following technical proposal：Self priming centrifugal pump, including the pump housing and electricity
Machine, is fixed with the lid of tubular in the described pump housing, described lid by the cavity of the described pump housing be divided into intake antrum and
Water chamber, the described pump housing are provided with the water inlet end being connected with intake antrum and the water side being connected with water chamber, described
The pump housing be provided with rotating shaft and impeller, described impeller is located in described lid, it is characterised in that under described lid
With the water inlet being connected with intake antrum, the side wall of described lid is provided with the outlet being connected with described water chamber at end
One and outlet two, the medial wall of the described pump housing is provided with two swirl channels, the inner and institute of described outlet one
The inner for the outlet two stated is connected with the outer end of corresponding swirl channel respectively, and the outer end of described outlet one is toward outside
Open and offset the extended line of the side wall of the described swirl channel of correspondence.
Operationally, by the rotation of motor impeller, the fluid of water inlet end is drawn into into intake antrum, and Jing lids
Water inlet is drawn in lid, and is discharged through two outlets, as the outer end of outlet one is opened toward outside and offsets
The extended line of swirl channel, therefore part water flows through one suck-back of part outlet of offset swirl channel and enters on the inside of lid,
Make self-priming effect more preferably, increased the pressure in lid, and water chamber, and Jing are drained into by outlet one and outlet two
Water side discharge is crossed, has the advantages that flow is big and lift is high.
In above-mentioned self priming centrifugal pump, the outer face of described lid is provided with some water fenders and described dash
Plate is uniformly arranged centered on the axis of described lid.It is separated from water air by water fender, makes the water of the fluid of discharge
Pressure increase, improves the suction of water pump.
In above-mentioned self priming centrifugal pump, described water fender includes water fender one and water fender two, described gear
Water plate one and described two interval setting of water fender, the height of described water fender two is higher than the height of described water fender one.
Using above-mentioned setting, water fender one is enable preferably to separate to aqueous vapor with water fender two.
In above-mentioned self priming centrifugal pump, the outer end of the water fender two described in two of which stretches out in described lid
Lateral wall.Using above-mentioned setting, water fender one is enable preferably to separate to aqueous vapor with water fender two.
In above-mentioned self priming centrifugal pump, the medial wall of described water inlet is provided with the copper insert of annular.Impeller
Lower end is located in copper insert, it is to avoid the medial wall adhesion of the lower end of impeller and the water inlet of lid, it is to avoid block impeller, make impeller
Smoothly can rotate.
In above-mentioned self priming centrifugal pump, in the housing of described motor, air draught fan blade and described air draught fan blade are provided with
It is connected in described rotating shaft.The air draught fan blade source of the housing of motor is provided with passage, drives air draught fan blade to turn by rotating shaft
It is dynamic, the air on the outside of passage is drawn in the housing of motor, is realized to electric machine casing internal heat dissipating, with radiating effect compared with
Good advantage.
In above-mentioned self priming centrifugal pump, support feet, described support feet bag on the downside of this self priming centrifugal pump, are provided with
Rubbing board body, one end of described plate body are to be connected in the connection end on the outside of the pump housing, the other end of described plate body be for against
Abutment end on the lateral wall of motor, the side on described plate body near described abutment end have downward bending and are formed
Horizontally disposed support end.Support end forms step-like, reduces the contact area of plate body and ground, enables water pump more steady
Fixed placement.
In above-mentioned self priming centrifugal pump, the upper end of described abutment end is provided with arc groove.Abutment end is provided with arc
Connected in star and arc groove is matched with the housing of the motor of water pump, has preferable locating effect to motor.
In above-mentioned self priming centrifugal pump, the edge of described arc groove is arranged with shock-absorbing sleeve.Subtracted by arranging
Shake set, has preferable damping effect to the motor of water pump.
In above-mentioned self priming centrifugal pump, the through hole for running through in the middle part of described plate body, is provided with.It is above-mentioned by arranging
Through hole, it is ensured that weight is reduced on the basis of intensity, while preventing hydrops, improves service life.
Compared with prior art, this self priming centrifugal pump has advantages below：
1st, the extended line of swirl channel is opened and offset in the outer end of outlet one toward outside, thus part water flow through partially
One suck-back of part outlet for moving swirl channel enters on the inside of lid, makes self-priming effect more preferably, increased the pressure in lid, and
Water chamber is drained into by outlet one and outlet two, and is discharged through water side, with that flow is big and lift is high is excellent
Point；
2nd, it is separated from water air by water fender, makes the hydraulic pressure increase of the fluid of discharge, improve the suction of water pump；
3rd, the support end of support feet forms step-like, reduces the contact area of plate body and ground, enables water pump more
Stable placement；
4th, the air draught fan blade source of the housing of motor is provided with passage, drives air draught fan blade to rotate by rotating shaft, will ventilation
Air on the outside of hole is drawn in the housing of motor, is realized to electric machine casing internal heat dissipating, with the preferable advantage of radiating effect.
Description of the drawings
Fig. 1 is the assembling schematic diagram of this self priming centrifugal pump.
Fig. 2 is the cross-sectional schematic of this self priming centrifugal pump.
Fig. 3 is the cross-sectional schematic of the impeller with lid of this self priming centrifugal pump.
In figure, 1, the pump housing；1a, intake antrum；1b, water inlet end；1c, water chamber；1d, water side；1e, swirl channel；2nd, electricity
Machine；2a, air draught fan blade；3rd, lid；3a, water inlet；3b, outlet one；3c, outlet two；4th, rotating shaft；5th, impeller；6th, dash
Plate；6a, water fender one；6b, water fender two；7th, copper insert；8th, support feet；8a, plate body；8b, connection end；8c, abutment end；8d、
Arc groove；8e, support end；8f, through hole；9th, shock-absorbing sleeve.
Specific embodiment
The following is specific embodiment of the utility model and combine accompanying drawing, further is made to the technical solution of the utility model
Description, but this utility model is not limited to these embodiments.
As shown in Figures 1 to 3, self priming centrifugal pump, including the pump housing 1 and motor 2, are fixed with the lid of tubular in the pump housing 1
3, the cavity of the described pump housing 1 is divided into intake antrum 1a and water chamber 1c by lid 3, and the pump housing 1 is provided with and intake antrum 1a phases
The water inlet end 1b of the connection and water side 1d being connected with water chamber 1c, the pump housing 1 are provided with rotating shaft 4 and impeller 5, impeller 5
In lid 3, with the water inlet 3a being connected with intake antrum 1a, the medial wall of water inlet 3a is provided with circle for the lower end of lid 3
The copper insert 7 of annular, the lower end of impeller 5 are located in copper insert 7, it is to avoid the inner side of the lower end of impeller 5 and the water inlet 3a of lid 3
Wall adhesion, it is to avoid block impeller 5, enables impeller 5 smoothly to rotate.
The side wall of lid 3 is provided with two 3c of one 3b of outlet and outlet being connected with water chamber 1c, the inner side of the pump housing 1
Wall is provided with two swirl channels 1e, the inner of inner and two 3c of outlet of one 3b of outlet respectively with corresponding swirl channel
The outer end of 1e is connected, and the outer end of one 3b of outlet is opened toward outside and offsets the extended line of the side wall for corresponding to swirl channel 1e.
The outer face of lid 3 is provided with some water fenders 6 and water fender 6 is uniformly arranged centered on the axis of lid 3.Gear
Water plate 6 includes two 6b of one 6a of water fender and water fender, one 6a of water fender and two 6b interval settings of water fender, two 6b's of water fender
Height highly higher than one 6a of water fender.The outer end of two 6b of water fender described in two of which stretches out in the outer of described lid 3
Side wall, makes the hydraulic pressure increase of the fluid of discharge, improves the suction of water pump.
Air draught fan blade 2a is provided with the housing of motor 2 and air draught fan blade 2a is connected in rotating shaft 4, the suction of the housing of motor 2
Wind fan blade 2a sources are provided with passage, drive air draught fan blade 2a to rotate by rotating shaft 4, the air on the outside of passage is drawn into electricity
In the housing of machine 2, realize radiating 2 enclosure interior of motor, with the preferable advantage of radiating effect.
Support feet 8 is provided with the downside of this self priming centrifugal pump, support feet 8 includes plate body 8a, is provided with and passes through in the middle part of plate body 8a
The through hole 8f for wearing, it is ensured that weight is reduced on the basis of intensity, while preventing hydrops, improves service life..One end of plate body 8a
For the connection end 8b being connected on the outside of the pump housing 1, the other end of plate body 8a be for be resisted against on the lateral wall of motor 2 against
End 8c, the side on plate body 8a near abutment end 8c has downward bending and forms horizontally disposed support end 8e.Abutment end 8c
Upper end be provided with arc groove 8d, the edge of arc groove 8d is arranged with shock-absorbing sleeve 9.
Operationally, by the rotation of 2 impeller 5 of motor, the fluid of water inlet end 1b is drawn into into intake antrum 1a, and Jing
Be drawn in lid 3 at the water inlet 3a of lid 3, and discharge through two outlets, due to one 3b of outlet outer end outward
The extended line of swirl channel 1e is opened and offset in side, therefore part water flows through the part outlet one of offset swirl channel 1e
3b suck-backs enter on the inside of lid 3, make self-priming effect more preferably, increased the pressure in lid 3, and pass through one 3b of outlet and water outlet
Two 3c of mouth are drained into water chamber 1c, and discharge through water side 1d, have the advantages that flow is big and lift is high.Support end 8e is formed
It is step-like, the contact area of plate body 8a and ground is reduced, the placement that water pump is relatively stable is enable.By arranging shock-absorbing sleeve 9,
There is preferable damping effect to motor 2.Twin voltage permutator is connected with the wiring of motor 2, voltage use range is
110-120V, 220-240V, can meet various power utilization environments, and voltage conversion is convenient, it is not necessary to oneself conversion wiring, with making
With the convenient and wider advantage of the scope of application.
Specific embodiment described herein is only explanation for example to this utility model spirit.This utility model institute
Category those skilled in the art can make various modifications or supplement or using similar to described specific embodiment
Mode substitute, but without departing from it is of the present utility model spirit or surmount scope defined in appended claims.
Although more having used the pump housing 1, intake antrum 1a, water inlet end 1b, water chamber 1c, water side 1d, vortex logical herein
Road 1e, motor 2, air draught fan blade 2a, lid 3, water inlet 3a, one 3b of outlet, two 3c of outlet, rotating shaft 4, impeller 5, water fender
6th, one 6a of water fender, two 6b of water fender, copper insert 7, support feet 8, plate body 8a, connection end 8b, abutment end 8c, arc groove 8d,
The terms such as support end 8e, through hole 8f, shock-absorbing sleeve 9, but it is not precluded from the probability using other terms.Using these terms only
Merely to more easily describing and explaining essence of the present utility model；Being construed as any additional restriction is all
It is contrary with this utility model spirit.
Claims (10)
1. self priming centrifugal pump, including the pump housing (1) and motor (2), are fixed with tubular lid in the described pump housing (1)
(3), the cavity of the described pump housing (1) is divided into intake antrum (1a) and water chamber (1c), described pump by described lid (3)
Body (1) is provided with the water inlet end (1b) being connected with intake antrum (1a) and the water side (1d) being connected with water chamber (1c),
The described pump housing (1) is provided with rotating shaft (4) and impeller (5), and described impeller (5) is interior positioned at described lid (3), its feature
Be, the lower end of described lid (3) with the water inlet (3a) being connected with intake antrum (1a), the side of described lid (3)
Wall is provided with the outlet one (3b) and outlet two (3c) being connected with described water chamber (1c), the described pump housing (1)
Medial wall is provided with two swirl channels (1e), the inner and described outlet two (3c) of described outlet one (3b) it is interior
End is connected with the outer end of corresponding swirl channel (1e) respectively, and the outer end of described outlet one (3b) is opened toward outside and partially
Move the extended line of the side wall of the described swirl channel (1e) of correspondence.
2. self priming centrifugal pump according to claim 1, it is characterised in that the outer face of described lid (3) is provided with
Some water fenders (6) and described water fender (6) is uniformly arranged centered on the axis of described lid (3).
3. self priming centrifugal pump according to claim 2, it is characterised in that described water fender (6) is including water fender one
(6a) and water fender two (6b), described water fender one (6a) and described water fender two (6b) interval setting, described gear
Height of the height of water plate two (6b) higher than described water fender one (6a).
4. self priming centrifugal pump according to claim 3, it is characterised in that the water fender two (6b) described in two of which
Outer end stretches out in the lateral wall of described lid (3).
5. the self priming centrifugal pump according to claim 1 or 2 or 3 or 4, it is characterised in that described water inlet (3a)
Medial wall is provided with the copper insert (7) of annular.
6. the self priming centrifugal pump according to claim 1 or 2 or 3 or 4, it is characterised in that the housing of described motor (2)
Inside it is provided with air draught fan blade (2a) and described air draught fan blade (2a) is connected in described rotating shaft (4).
7. the self priming centrifugal pump according to claim 1 or 2 or 3 or 4, it is characterised in that under this self priming centrifugal pump
Side is provided with support feet (8), and including plate body (8a), one end of described plate body (8a) is to be connected in the pump housing to described support feet (8)
(1) connection end (8b) on the outside of, the other end of described plate body (8a) be for be resisted against on the lateral wall of motor (2) against
End (8c), the side on described plate body (8a) near described abutment end (8c) have downward bending and form horizontally disposed
Support end (8e).
8. self priming centrifugal pump according to claim 7, it is characterised in that the upper end of described abutment end (8c) is provided with arc
Connected in star (8d).
9. self priming centrifugal pump according to claim 8, it is characterised in that the edge set of described arc groove (8d)
It is provided with shock-absorbing sleeve (9).
10. self priming centrifugal pump according to claim 7, it is characterised in that be provided with the middle part of described plate body (8a) and pass through
The through hole (8f) worn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620994635.2U CN206054320U (en) | 2016-08-30 | 2016-08-30 | Self priming centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620994635.2U CN206054320U (en) | 2016-08-30 | 2016-08-30 | Self priming centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206054320U true CN206054320U (en) | 2017-03-29 |
Family
ID=58378958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620994635.2U Expired - Fee Related CN206054320U (en) | 2016-08-30 | 2016-08-30 | Self priming centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206054320U (en) |
-
2016
- 2016-08-30 CN CN201620994635.2U patent/CN206054320U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20210830 |