CN206582127U - A kind of horizontal multi-stage centrifugal pump - Google Patents
A kind of horizontal multi-stage centrifugal pump Download PDFInfo
- Publication number
- CN206582127U CN206582127U CN201720123201.XU CN201720123201U CN206582127U CN 206582127 U CN206582127 U CN 206582127U CN 201720123201 U CN201720123201 U CN 201720123201U CN 206582127 U CN206582127 U CN 206582127U
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- pump
- water
- motor
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- return line
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Abstract
The utility model discloses a kind of horizontal multi-stage centrifugal pump, its drip irrigation device is：Including the pump housing and motor, the pump housing is provided with inlet segment, water exit end, guide vane wheel group, motor is used to drive guide vane wheel group to rotate, guide vane wheel group includes at least two pump stators, each pump stator includes water inlet and water dumping passage, water inlet is located at the middle part of pump stator, circumferentially array is set some water dumping passages centered on the middle part of pump stator, the end of water dumping passage is communicated with pump stator outer circumferential sides wall, the pump point chamber installed is corresponded in the pump housing provided with some confession pump stators, communicating passage, the length direction of water exit end is relative with the pump stator circumferential side wall close to inlet segment, the two ends of communicating passage are respectively the first connection end, second connection end, first connection end is relative with positioned at the pump stator outer circumferential sides wall close to inlet segment, second connection end is relative with the water inlet positioned at the pump stator close to water exit end, the centrifugal pump of the above-mentioned type possesses high-lift characteristic.
Description
Technical field
The utility model is related to pump technology field, more particularly to a kind of horizontal multi-stage centrifugal pump.
Background technology
Centrifugal pump refers to the centrifugal force produced when rotating by impeller to convey the pump of liquid.
Existing centrifugal pump such as notification number crouches for a kind of CN202273868U efficient high pressure-bearing of Chinese utility model patent
Formula centrifugal multistage pump multiple centrifugal pump, it includes resistance to pressure cylinder, and water exit end and inlet segment are provided with the resistance to pressure cylinder, and the length direction of water exit end is
Horizontal direction, the length direction of inlet segment is that multistage guide vane wheel is provided with vertical direction, resistance to pressure cylinder, and multistage guide vane wheel is in laterally
Distribution, motor is connected with the end of resistance to pressure cylinder, the output shaft of motor is also cross multi-stage impeller with one heart；From structure
Upper to be analyzed, current are from inlet segment and by after multi-stage impeller, due to water exit end length direction and inlet segment length direction
Between be mutually perpendicular to, i.e., current by multi-stage impeller after, can and the side wall of water exit end occur sharp impacts, then just from water outlet
Section outflow.
Current after sharp impacts will certainly have a strong impact on the lift size of whole centrifugal pump, its lift size by
To larger limitation.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of horizontal multi-stage centrifugal pump, its
Lift is larger.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of horizontal multi-stage centrifugation
Pump, including the pump housing and motor, the pump housing are provided with inlet segment, water exit end, guide vane wheel group, and the motor is used for
Drive the rotation of guide vane wheel group, the guide vane wheel group includes at least two pump stators, if each pump stator include water inlet and
The dry water dumping passage with being communicated inside water inlet, the water inlet is located at the middle part of pump stator, and some water dumping passages are with pump stator
Middle part centered on circumferentially array set, the water dumping passage away from water inlet end and pump stator outer circumferential sides wall phase
It is logical, the pump point chamber installed, the company for connecting two neighboring pump point chamber are corresponded in the pump housing provided with some confession pump stators
Circulation passage, the length direction of the water exit end is relative with the pump stator circumferential side wall close to water exit end, the two ends point of communicating passage
Wei not the first connection end, the second connection end, the first connection end and the pump stator outer circumferential sides wall phase positioned at close inlet segment
Right, the second connection end is relative with the water inlet positioned at the pump stator close to water exit end.
By above-mentioned technical proposal, motor can directly drive all pump stators and be rotated in a circumferential direction, external water source meeting
Directly water is injected into the water inlet of first pump stator from inlet segment, during pump stator rotates in a circumferential direction, water can be from even
First connection end of circulation passage is carried out, and the water inlet positioned at the pump stator close to water exit end is then entered from the second connection end
It is interior, then thrown away by the pump stator, and water exit end is then relative with the cylindrical circumferential direction of pump stator close to inlet segment；In said process
In, whole current are driven by the continuation of multistage pump stator, and the pump stator close to inlet segment can be directly cylindrical from its afterwards
Circumferential direction is thrown away, and current can enter directly into water exit end, and be flowed directly out from water exit end, overcome traditional current pass through it is many
After level impeller, can occur sharp impacts with the side wall of water exit end, the drawbacks of then just being flowed out from water exit end, its lift is obtained
Significantly lifted.
It is preferred that, the length direction of the inlet segment is relative with water inlet.
By above-mentioned technical proposal, external current directly can enter, significantly after inlet segment entrance out of water inlet
The probability that contact is produced between external current and the pump housing is reduced, the kinetic energy loss amount inside current is reduced, contributes to lifting
The inside lift of centrifugal pump.
It is preferred that, the pump housing includes procapsid, water-impermeable piece, the back casing close to motor side, the fore shell
Pump chamber is equipped with body and back casing, is connected between the procapsid and back casing by some connecting bolts, the water-impermeable piece
Between procapsid and back casing, and water-impermeable piece is used to pump chamber being separated into two pumps point chamber.
By above-mentioned technical proposal, due to elongated with use time, the pump stator of each pump point intracavitary can be produced not
, can be by dismantling procapsid either back casing, so as to be directed to the abrasion of degree, and when wherein a pump stator is damaged
The single pump stator wherein damaged carries out repair and replacement；In addition, water-impermeable piece directly can be separated to pump chamber, reduce by two pumps and lead
Current between leaf produce mutually impact influence, similarly can help to be lifted the inside lift of centrifugal pump.
It is preferred that, the motor is provided with the motor cover close to back casing, between the motor cover and back casing
It is connected with some connecting poles.
By above-mentioned technical proposal, the setting of connecting pole, first, stable connection that can be between lifting motor lid and back casing
Property；Secondly, using connecting pole, the weight size of whole centrifugal pump can at utmost be reduced.
It is preferred that, it is provided with the first return line, the second return line in motor cover in the connecting pole, described the
Two return lines by the first return line with being communicated inside communicating passage, in described first return line one end and communicating passage
Portion is communicated, and the other end is relative with the water inlet on the pump stator close to motor.
By above-mentioned technical proposal, the current that can be constantly carried out in current flowing, communicating passage in communicating passage can pass through
First return line is entered on the second return line, and the second return line is set directly in motor cover, the second backflow
Current on pipeline can directly produce thermolysis to motor cover, and then lift the actual life of motor.
It is preferred that, second return line is to open annulus line, the output of second return line and motor
In being arranged concentrically between axle axle center, the second return line open-loop portion is communicated in the first connection end and connected with second respectively
End.
By above-mentioned technical proposal, the current of flowing can be using the output shaft axle center of motor in the second return line
The heart carries out annulus distribution, so as to produce Homogeneouslly-radiating effect to whole motor cover.
It is preferred that, sealing gasket is provided between the procapsid and back casing.
By above-mentioned technical proposal, the setting of sealing gasket can significantly lift the sealing between procapsid and back casing
Energy.
It is preferred that, the procapsid is provided with dewatering outlet, is threadedly connected to the bolt that discharges water of dewatering outlet.
By above-mentioned technical proposal, when the centrifugal pump needs storage, and the pump chamber between procapsid and back casing for a long time
When inside there is ponding, the bolt that discharges water need to only be disassembled from dewatering outlet, the ponding in pump chamber can be very wellly from discharging water
Released in mouthful.
Brief description of the drawings
Fig. 1 is the configuration schematic diagram of embodiment, the internals for showing embodiment；
Fig. 2 is the mounting structure schematic diagram of the pump housing, the external structural characteristics for showing the pump housing；
Fig. 3 is Fig. 2 A-A cross-sectional views, the inner mounting structure for the pump housing；
Fig. 4 is the structural representation of pump stator, the architectural feature for showing pump stator.
Reference：1st, motor；2nd, inlet segment；3rd, water exit end；4th, guide vane wheel group；41st, pump stator；5th, water inlet；
6th, water dumping passage；7th, pump point chamber；8th, communicating passage；9th, the pump housing；10th, procapsid；11st, water-impermeable piece；12nd, back casing；13rd, pump chamber；
14th, connecting bolt；15th, the first connection end；16th, the second connection end；17th, motor cover；18th, connecting pole；19th, the first return line；
20th, the second return line；21st, sealing gasket；22nd, dewatering outlet；23rd, discharge water bolt.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
A kind of horizontal multi-stage centrifugal pump, it is shown in Figure 1, including the pump housing 9 set gradually towards single direction and driving
Inlet segment 2, water exit end 3, guide vane wheel group 4 are provided with motor 1, the pump housing 9, motor 1 directly drives to guide vane wheel group 4
It is dynamic, and external water source is entered from inlet segment 2, water exit end 3 is exported.
Structure below for the pump housing 9 is described in detail：
Referring to shown in Fig. 1, Fig. 2 and Fig. 3, the pump housing 9 includes procapsid 10, the back casing being from left to right sequentially distributed
12, pump chamber 13 is equipped with procapsid 10 and back casing 12, passes through some connecting bolts 14 between procapsid 10 and back casing 12
It is connected, and stops there is a water-impermeable piece 11 between two housings, the water-impermeable piece 11 is used to pump chamber 13 being separated into two pumps
Divide chamber 7, guide vane wheel group 4, which includes in two pump stators 41, each pump point chamber 7, is provided with a pump stator 41, motor 1
Drive shaft is extended transversely through in two pump stators 41, the length direction of water exit end 3 and the circumferential side wall of pump stator 41 close to inlet segment 2
Relatively；A sealing gasket 21 is provided between procapsid 10 and back casing 12, for sealing between procapsid 10 and back casing 12
Gap, between procapsid 10 and back casing 12 by some connecting bolts 14 be connected；Communicating passage 8 is provided with the pump housing 9,
The communicating passage 8 is used to connect two pumps point chamber 7；
Wherein, the structure of pump stator 41 is as follows：Referring to shown in Fig. 3 and Fig. 4, each pump stator 41 includes water inlet 5
And it is some with water dumping passage 6 that is being communicated inside water inlet 5, water inlet 5 is located at the middle part of pump stator 41, some water dumping passages 6
Circumferentially array is set centered on the middle part of pump stator 41, and water dumping passage 6 is cylindrical away from the end of water inlet 5 and pump stator 41
The week side of boss wall is communicated；The length direction of inlet segment 2 on the pump housing 9 is relative with water inlet 5.
Referring to shown in Fig. 1, Fig. 2 and Fig. 3, the motor 1 is provided with the motor cover 17 close to back casing 12, motor
Some connecting poles 18 are connected between lid 17 and back casing 12, and is provided with the first return line 19 in connecting pole 18, is located at
The second return line 20 in motor cover 17, the second return line 20 is opens annulus line, and the second return line 20 and driving are electric
In being arranged concentrically between the output shaft axle center of machine 1, the second return line 20 by the first return line 19 with inside communicating passage 8
Communicate, one end of the first return line 19 inside communicating passage 8 with being communicated, and the other end is led with the pump close to motor 1
Water inlet 5 on leaf 41 is relative, and the two ends of communicating passage 8 are respectively the first connection end 15, second connection end 16, the first connection end
15 is relative with positioned at the outer circumferential sides wall of pump stator 41 close to inlet segment 2, and the second connection end 16 is with being located at the pump close to water exit end 3
The water inlet 5 of stator 41 is relative, and the open-loop portion of the second return line 20 is communicated in the first connection end 15 and connects end with second respectively
16；On procapsid 10 provided with dewatering outlet 22, the bolt 23 that discharges water of dewatering outlet 22 is threadedly connected to, when needing that pump point chamber 7 is entered
Row discharge water processing when, twist off the bolt 23 that discharges water, you can release ponding from dewatering outlet 22.
The flow direction of current in running：
External water source is first out of, inlet segment 2 enters the pump stator 41 close at inlet segment 2 water inlet 5, due to driving
Motor 1 can drive two pump stators 41 to rotate simultaneously simultaneously, and current can be thrown away out of the pump stator 41 water dumping passage 6, and edge
First connection end 15, second connection end 16 is entered in the water inlet 5 of another pump stator 41, then the circumference of another pump stator 41
Rotation, current equally may proceed to throw away from the inner circumferential of water dumping passage 6 of the pump stator 41, then immediately proceed to water exit end 3, flow
Go out whole centrifugal pump；
In addition, when the first connection end 15 and second in current Jing Guo communicating passage 8 connects end 16, also having part water
Stream can first pass through the first return line 19, enter in the second return line 20, along 10 circumferential flow of procapsid one week, Ran Houjin
Enter into the second connection end 16, and enter in the water inlet 5 of pump stator 41 of motor 1.
Described above is only exemplary embodiment of the present utility model, not for limitation protection model of the present utility model
Enclose, protection domain of the present utility model is determined by appended claim.
Claims (8)
1. a kind of horizontal multi-stage centrifugal pump, including the pump housing (9) and motor (1), the pump housing (9) are provided with inlet segment
(2), water exit end (3), guide vane wheel group (4), the motor (1) are used to drive guide vane wheel group (4) to rotate, it is characterized in that：Institute
Stating guide vane wheel group (4) includes at least two pump stators (41), and each pump stator (41) includes water inlet (5) and some with entering
The water dumping passage (6) communicated inside the mouth of a river (5), the water inlet (5) is located at the middle part of pump stator (41), some water dumping passages
(6) circumferentially array is set centered on the middle part of pump stator (41), and the water dumping passage (6) deviates from the end of water inlet (5)
Communicated with pump stator (41) outer circumferential sides wall, correspond the pump installed in the pump housing (9) provided with some confession pump stators (41)
Point chamber (7), the communicating passage (8) for connecting two neighboring pump point chamber (7), the length direction of the water exit end (3) with it is close
Pump stator (41) circumferential side wall of water exit end (3) is relative, and the two ends of communicating passage (8) are respectively the first connection end (15), second
Connect end (16), first connection end (15) is relative with positioned at pump stator (41) outer circumferential sides wall close to inlet segment (2), institute
State the second connection end (16) relative with the water inlet (5) of the pump stator (41) positioned at close water exit end (3).
2. a kind of horizontal multi-stage centrifugal pump according to claim 1, it is characterized in that：The length direction of the inlet segment (2)
It is relative with water inlet (5).
3. a kind of horizontal multi-stage centrifugal pump according to claim 1, it is characterized in that：The pump housing (9) includes procapsid
(10), water-impermeable piece (11), the back casing (12) close to motor (1) side, the procapsid (10) and back casing (12)
Pump chamber (13) is inside equipped with, is connected between the procapsid (10) and back casing (12) by some connecting bolts (14), it is described
Water-impermeable piece (11) is located between procapsid (10) and back casing (12), and water-impermeable piece (11) is used to pump chamber (13) being separated into two
The pump point chamber (7).
4. a kind of horizontal multi-stage centrifugal pump according to claim 3, it is characterized in that：The motor (1) is provided with and leaned on
The motor cover (17) of back casing (12) is bordering on, some connecting poles are connected between the motor cover (17) and back casing (12)
(18)。
5. a kind of horizontal multi-stage centrifugal pump according to claim 4, it is characterized in that：First is provided with the connecting pole (18)
Return line (19), the second return line (20) in motor cover (17), second return line (20) pass through first
Return line (19) inside communicating passage (8) with communicating, described first return line (19) one end and the internal phase of communicating passage (8)
It is logical, and the other end is relative with close to the water inlet (5) on the pump stator (41) of motor (1).
6. a kind of horizontal multi-stage centrifugal pump according to claim 5, it is characterized in that：Second return line (20) is to open
Annulus line, is in be arranged concentrically between second return line (20) and the output shaft axle center of motor (1), and described second
Return line (20) open-loop portion is communicated in the first connection end (15) and end (16) is connected with second respectively.
7. a kind of horizontal multi-stage centrifugal pump according to claim 3, it is characterized in that：The procapsid (10) and back casing
(12) sealing gasket (21) is provided between.
8. a kind of horizontal multi-stage centrifugal pump according to claim 3 or 7, it is characterized in that：The procapsid (10) is provided with
Dewatering outlet (22), the bolt that discharges water (23) for being threadedly connected to dewatering outlet (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720123201.XU CN206582127U (en) | 2017-02-10 | 2017-02-10 | A kind of horizontal multi-stage centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720123201.XU CN206582127U (en) | 2017-02-10 | 2017-02-10 | A kind of horizontal multi-stage centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206582127U true CN206582127U (en) | 2017-10-24 |
Family
ID=60091296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720123201.XU Expired - Fee Related CN206582127U (en) | 2017-02-10 | 2017-02-10 | A kind of horizontal multi-stage centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206582127U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005617A (en) * | 2019-04-19 | 2019-07-12 | 谱罗顿智控电子科技（浙江）有限公司 | A kind of intelligence centrifugal pump |
| CN111536046A (en) * | 2019-12-19 | 2020-08-14 | 合肥皖化电泵有限公司 | Multi-stage delivery pump |
-
2017
- 2017-02-10 CN CN201720123201.XU patent/CN206582127U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005617A (en) * | 2019-04-19 | 2019-07-12 | 谱罗顿智控电子科技（浙江）有限公司 | A kind of intelligence centrifugal pump |
| CN111536046A (en) * | 2019-12-19 | 2020-08-14 | 合肥皖化电泵有限公司 | Multi-stage delivery pump |
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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: 20171024 Termination date: 20200210 |