CN206668624U - Vertical centrifugal pump - Google Patents
Vertical centrifugal pump Download PDFInfo
- Publication number
- CN206668624U CN206668624U CN201720439905.8U CN201720439905U CN206668624U CN 206668624 U CN206668624 U CN 206668624U CN 201720439905 U CN201720439905 U CN 201720439905U CN 206668624 U CN206668624 U CN 206668624U
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- China
- Prior art keywords
- water inlet
- inlet end
- guide pad
- pump
- valve seat
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Abstract
The utility model provides a kind of vertical centrifugal pump, belongs to water pump technology.It solves the problems, such as that existing vertical centrifugal pump anti-return effect is poor.This vertical centrifugal pump, including motor and the pump housing, the rotating shaft of motor is stretched in the pump chamber of the pump housing, the impeller in pump chamber is arranged with rotating shaft, the inner of the water inlet end of the pump housing is located at the bottom of pump chamber, the outer end of water inlet end is provided with non-return component, non-return component includes the valve seat for being positioned at water inlet end outer end, guide pad, valve element and spring, guide pad and valve element are located at the inner side of valve seat, the inner of valve element has valve rod, the middle part of guide pad is provided with pilot hole, valve rod matches with pilot hole and valve rod passes through pilot hole, valve seat and guide pad are provided with the circulation passage run through, spring can promote the circulation passage of valve element closure valve seat.This vertical centrifugal pump has the advantages of preferably preventing water inlet end from flowing back.
Description
Technical field
The utility model belongs to water pump technology, is related to a kind of vertical centrifugal pump.
Background technology
Existing vertical centrifugal pump impeller water inlet end is downward, and medium is low in and high out by impeller during work, is pumped
Medium produces a downward active force to impeller.The weight of the moving components such as impeller, pump shaft, motor rotor produces downwards weight
Power.The two power, which stack up, to be acted on bearing so that bearing axial load increases, so as to shorten the use longevity of bearing
Life, the increase of resistance can also increase noise, expend electric energy.Further, since pump body is full of air, just start work in water pump
When making, motor idle running, burn-down of electric motor is easily caused, reduces the service life of centrifugal pump.It is not provided with preventing back in existing centrifugal pump
Flow structure, needed before water pump unlatching toward pump body water filling, it is troublesome in poeration.
A kind of vertical centrifugal pump (application number as disclosed in Chinese patent literature：201520345286.7), including motor and
The pump housing with water inlet end and water side below motor, has pump chamber in the pump housing, water inlet end and water side respectively with pump
Chamber is connected, and the rotating shaft of motor is stretched in pump chamber, the impeller in pump chamber is arranged with rotating shaft, the inner of water inlet end is located at pump
The bottom of chamber, the outer end of water inlet end are upturned to form the portion of arching upward, and arch upward between portion and the inner of water inlet end formed with for holding
The accommodating chamber of water, Anti-backflow structure is provided with the portion that arches upward.Anti-backflow structure includes the spacing ring being located at the portion that arches upward and positioned at limit
Close to the plug of water inlet end the inner side, the middle part of spacing ring is hinged position ring with the through hole that setting is engaged with plug, plug
On water inlet end, and back-moving spring is provided between water inlet end and plug, plug has and blocked in the presence of the back-moving spring
The trend of through hole.But the plug closure through hole swung is used, therefore plug easily offsets through hole, it is impossible to formed preferably close
Envelope, makes anti-return effect poor.
The content of the invention
The purpose of this utility model is above mentioned problem be present for existing technology, it is proposed that one kind have preferably prevent
The vertical centrifugal pump of water inlet end backflow.
The purpose of this utility model can be realized by following technical proposal：Vertical centrifugal pump, including motor and position
There is water inlet end and the pump housing of water side below motor, there is pump chamber, described water inlet end and water outlet in the described pump housing
End is connected with pump chamber respectively, and the rotating shaft of the motor is stretched in pump chamber, and the leaf in pump chamber is arranged with described rotating shaft
Wheel, it is characterised in that the inner of the water inlet end is located at the bottom of pump chamber, and the outer end of described water inlet end is provided with non-return component,
Described non-return component includes valve seat, guide pad, valve element and the spring for being positioned at described water inlet end outer end, described guiding
Block and described valve element are located at the inner side of described valve seat, and the inner of described valve element has valve rod, described guide pad
Middle part is provided with pilot hole, and described valve rod matches with described pilot hole and described valve rod passes through described pilot hole, institute
The valve seat and described guide pad stated are provided with the circulation passage run through, and described spring can promote described valve element to block
The circulation passage of described valve seat.
At work, by motor driven wheel rotation, by the water at water inlet end toward sucking in pump chamber, and valve element overcomes bullet
The elastic force of spring and along the guide direction of valve rod and pilot hole toward medial movement, opens the circulation passage of valve seat, water is inhaled into
Discharged to pump chamber and through water side.Because valve element is along pilot hole and the guiding movement of valve rod, therefore circulation of the valve element to valve seat
Passage smoothly can be opened and blocked, and have the advantages of preferably preventing water inlet end from flowing back.
In above-mentioned vertical centrifugal pump, the outer end screw thread of described valve seat and described water inlet end is fixedly connected with.Valve
Seat is connected between water inlet end for screw thread, has the advantages of simple in construction and assembling is more convenient.
In above-mentioned vertical centrifugal pump, the madial wall of described water inlet end is provided with convex shoulder, described guide pad
The inner is resisted against on described convex shoulder.The inner of guide pad is resisted against on convex shoulder, has preferable limit effect to guide pad.
In above-mentioned vertical centrifugal pump, positioning sleeve is provided between described valve seat and described guide pad, it is described
Positioning sleeve born against embedded in the both ends of described water inlet end and described positioning sleeve in described guide pad and described valve
On the end face of seat.Be resisted against by positioning sleeve on guide pad and valve seat, guide pad is positioned at water inlet end, have it is simple in construction and
Assemble the advantages of more convenient.
In above-mentioned vertical centrifugal pump, the outer end of described water inlet end, which has, to be upturned to form the portion of arching upward, institute
Arching upward for stating is located at the guide pad between portion and the inner of water inlet end formed with the accommodating chamber for holding water, described accommodating chamber
Inner side.By setting above-mentioned accommodating chamber, when water pump is stopped, accommodating chamber inner storing water, when water pump is again started up, leaf
Take turns the water that can suck in accommodating chamber and valve element is departed from valve seat, the advantages of making starting mode of pump more smooth.
In above-mentioned vertical centrifugal pump, the inner of described valve element is provided with detent one, described spring
One end is on detent one.
In above-mentioned vertical centrifugal pump, the outer face of described guide pad is provided with detent two, described bullet
The other end of spring is in described detent two.The both ends of spring are born against in detent one and detent two
It is interior, with preferable locating effect, enabling spring reliably to work on spring.
In above-mentioned vertical centrifugal pump, described positioning sleeve and the valve seat are formed in one structure.Positioning sleeve
It is formed in one structure with valve seat, there is the advantages of simple in construction and assembling is more convenient.
Compared with prior art, this vertical centrifugal pump has advantages below：
1st, because valve element is along pilot hole and the guiding movement of valve rod, therefore valve element can be smooth to the circulation passage of valve seat
Unlatching and closure, there is preferably the advantages of preventing water inlet end from flowing back；
2nd, be resisted against by positioning sleeve on guide pad and valve seat, guide pad is positioned at water inlet end, have it is simple in construction and
Assemble the advantages of more convenient；
3rd, when water pump is stopped, accommodating chamber inner storing water, when water pump is again started up, impeller can be sucked in accommodating chamber
Water and valve element is departed from valve seat, the advantages of making starting mode of pump more smooth；
4th, positioning sleeve and valve seat are formed in one structure, have the advantages of simple in construction and assembling is more convenient.
Brief description of the drawings
Fig. 1 is the schematic cross-sectional view of this vertical centrifugal pump.
Fig. 2 is Fig. 1 A close-up schematic views.
In figure, 1, motor；2nd, the pump housing；2a, pump chamber；2b, water inlet end；2c, convex shoulder；2d, water side；2e, arch upward portion；2f、
Accommodating chamber；3rd, impeller；4th, non-return component；4a, valve seat；4b, valve element；4b1, detent one；4c, guide pad；4c1, pilot hole；
4c2, detent two；4d, valve rod；4e, spring；4f, circulation passage；5th, positioning sleeve.
Embodiment
It is specific embodiment of the utility model and with reference to accompanying drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As illustrated in fig. 1 and 2, vertical centrifugal pump, including motor 1 and positioned at the lower section of motor 1 have water inlet end 2b and
The water side 2d pump housing 2, the pump housing 2 is interior, and there is pump chamber 2a, water inlet end 2b and water side 2d to be connected respectively with pump chamber 2a, motor 1
Rotating shaft is stretched in pump chamber 2a, and the impeller 3 in pump chamber 2a is arranged with rotating shaft, and water inlet end 2b the inner is located at pump chamber 2a's
Bottom, water inlet end 2b outer end are provided with non-return component 4, and non-return component 4 includes being positioned at the valve seat 4a of water inlet end 2b outer ends, is oriented to
Block 4c, valve element 4b and spring 4e, valve seat 4a and described water inlet end 2b outer end screw thread are fixedly connected with, and are had simple in construction and are filled
With it is more convenient the advantages of.Guide pad 4c and valve element 4b is located at valve seat 4a inner side, and valve element 4b the inner has valve rod 4d, led
It is provided with that pilot hole 4c1, valve rod 4d and pilot hole 4c1 match and valve rod 4d passes through pilot hole 4c1, valve seat 4a to block 4c middle part
And guide pad 4c is provided with the circulation passage 4f run through, spring 4e can promote valve element 4b closure valve seats 4a circulation passage
4f。
Water inlet end 2b madial wall is provided with convex shoulder 2c, and guide pad 4c the inner is resisted against on convex shoulder 2c.Valve seat 4a is with being oriented to
Positioning sleeve 5 is provided between block 4c, positioning sleeve 5 is born against in guide pad 4c and valve embedded in the both ends of water inlet end 2b and positioning sleeve 5
On seat 4a end face.
Water inlet end 2b outer end, which has, to be upturned to form the portion 2e that arches upward, and arch upward shape between portion 2e and water inlet end 2b outer end
It is located at guide pad 4c inner side into the accommodating chamber 2f having for holding water, accommodating chamber 2f.Valve element 4b the inner is provided with detent one
On the 4b1 of detent one, guide pad 4c outer face is provided with the 4c2 of detent two for 4b1, described spring 4e one end,
The spring 4e other end is in the 4c2 of detent two.Spring 4e both ends bear against recessed with positioning in the 4b1 of detent one
In the 4c2 of groove two, with preferable locating effect, enabling spring 4e reliably to work spring 4e.
At work, rotated by the impeller 3 of motor 1, by the water at water inlet end 2b toward sucking in pump chamber 2a, and valve element
4b overcome spring 4e elastic force and along valve rod 4d and pilot hole 4c1 guide direction toward medial movement, make valve seat 4a circulation
Passage 4f is opened, and water is sucked into pump chamber 2a and discharged through water side 2d.Because valve element 4b is along pilot hole 4c1's and valve rod 4d
Guiding movement, therefore valve element 4b smoothly can be opened and block to valve seat 4a circulation passage 4f, have preferably prevent into
The advantages of water end (W.E.) 2b flows back, when water pump is stopped, accommodating chamber 2f inner storing waters, when water pump is again started up, impeller 3 can be inhaled
Enter the water in accommodating chamber 2f and valve element 4b is departed from valve seat 4a, the advantages of making starting mode of pump more smooth.Guide pad 4c the inner
It is resisted against on convex shoulder 2c, there is preferable limit effect to guide pad 4c.Guide pad 4c and valve seat 4a are resisted against by positioning sleeve 5
On, guide pad 4c is positioned at water inlet end 2b, there is the advantages of simple in construction and assembling is more convenient.
Alternatively, positioning sleeve 5 and valve seat 4a are formed in one structure, have simple in construction and assembling more square
Just the advantages of.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Although motor 1, the pump housing 2 have more been used herein, pump chamber 2a, water inlet end 2b, convex shoulder 2c, water side 2d, has been arched upward
Portion 2e, accommodating chamber 2f, impeller 3, non-return component 4, valve seat 4a, valve element 4b, the 4b1 of detent one, guide pad 4c, pilot hole 4c1,
The terms such as the 4c2 of detent two, valve rod 4d, spring 4e, circulation passage 4f, positioning sleeve 5, but be not precluded from using other terms
Possibility.It is used for the purpose of more easily describing and explaining essence of the present utility model using these terms；It is construed as
The additional limitation of any one is all disagreed with the utility model spirit.
Claims (8)
1. vertical centrifugal pump, including motor (1) and there is water inlet end (2b) and water side (2d) below motor (1)
The pump housing (2), there is in the described pump housing (2) pump chamber (2a), described water inlet end (2b) and water side (2d) respectively with pump chamber
(2a) is connected, and the rotating shaft of the motor (1) is stretched in pump chamber (2a), is arranged with described rotating shaft in pump chamber (2a)
Impeller (3), it is characterised in that the inner of the water inlet end (2b) is located at the bottom of pump chamber (2a), described water inlet end (2b)
Outer end is provided with non-return component (4), and described non-return component (4) includes the valve seat for being positioned at described water inlet end (2b) outer end
(4a), guide pad (4c), valve element (4b) and spring (4e), described guide pad (4c) and described valve element (4b) are located at institute
The inner side for the valve seat (4a) stated, the inner of described valve element (4b) have valve rod (4d), set in the middle part of described guide pad (4c)
There is pilot hole (4c1), described valve rod (4d) matches with described pilot hole (4c1) and described valve rod (4d) is described in
Pilot hole (4c1), described valve seat (4a) and described guide pad (4c) are provided with the circulation passage (4f) run through, described
Spring (4e) circulation passage (4f) of the described valve seat (4a) of described valve element (4b) closure can be promoted.
2. vertical centrifugal pump according to claim 1, it is characterised in that described valve seat (4a) and described water inlet
The outer end screw thread at end (2b) is fixedly connected with.
3. vertical centrifugal pump according to claim 1, it is characterised in that the madial wall of described water inlet end (2b) is set
There is convex shoulder (2c), the inner of described guide pad (4c) is resisted against on described convex shoulder (2c).
4. according to the vertical centrifugal pump described in claim 1 or 2 or 3, it is characterised in that described valve seat (4a) with it is described
Guide pad (4c) between be provided with positioning sleeve (5), described positioning sleeve (5) is embedded in described water inlet end (2b) and described positioning
The both ends of set (5) are born against on the end face of described guide pad (4c) and described valve seat (4a).
5. according to the vertical centrifugal pump described in claim 1 or 2 or 3, it is characterised in that outside described water inlet end (2b)
End have is upturned to form the portion of arching upward (2e), between the described portion that arches upward (2e) and the outer end of water inlet end (2b) formed with for
Rong Shui accommodating chamber (2f), described accommodating chamber (2f) are located at the inner side of the guide pad (4c).
6. according to the vertical centrifugal pump described in claim 1 or 2 or 3, it is characterised in that the inner of described valve element (4b)
Provided with detent one (4b1), one end of described spring (4e) is on detent one (4b1).
7. vertical centrifugal pump according to claim 6, it is characterised in that the outer face of described guide pad (4c) is set
There is detent two (4c2), the other end of described spring (4e) is in described detent two (4c2).
8. vertical centrifugal pump according to claim 4, it is characterised in that described positioning sleeve (5) and the valve seat
(4a) is formed in one structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720439905.8U CN206668624U (en) | 2017-04-25 | 2017-04-25 | Vertical centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720439905.8U CN206668624U (en) | 2017-04-25 | 2017-04-25 | Vertical centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206668624U true CN206668624U (en) | 2017-11-24 |
Family
ID=60370161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720439905.8U Expired - Fee Related CN206668624U (en) | 2017-04-25 | 2017-04-25 | Vertical centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206668624U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258691A (en) * | 2019-06-20 | 2019-09-20 | 刘勇 | A kind of hydraulic engineering restoration of the ecosystem Accrete clearing device |
-
2017
- 2017-04-25 CN CN201720439905.8U patent/CN206668624U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258691A (en) * | 2019-06-20 | 2019-09-20 | 刘勇 | A kind of hydraulic engineering restoration of the ecosystem Accrete clearing device |
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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 |
Granted publication date: 20171124 Termination date: 20180425 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |