CN207960968U - Anti- trapped gas water pump - Google Patents
Anti- trapped gas water pump Download PDFInfo
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- CN207960968U CN207960968U CN201820331159.5U CN201820331159U CN207960968U CN 207960968 U CN207960968 U CN 207960968U CN 201820331159 U CN201820331159 U CN 201820331159U CN 207960968 U CN207960968 U CN 207960968U
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- impeller
- column
- trapped gas
- water inlet
- water pump
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Abstract
The utility model discloses a kind of anti-trapped gas water pumps, including pump case, motor section, impeller, wherein having motor cavity and impeller cavity in the pump case, and have the water inlet for being connected to the impeller cavity on the pump case；The motor section and impeller are respectively installed in the motor cavity and impeller cavity, and the impeller is driven by the motor section and rotated；It is characterized in that：There is at least one relieving stagnant Qi column, the relieving stagnant Qi column to be parallel to the motor shaft of motor section and follow the impeller to rotate and stir brokenly from the bubble in the flow that water inlet sucks for the front end of the impeller.The anti-trapped gas water pump of the utility model by holding setting relieving stagnant Qi column and following impeller to rotate and stir brokenly from the bubble in the flow that water inlet sucks, failure rate that is simple in structure and effectively reducing water pump before the impeller.
Description
Technical field
The utility model is related to pump field, more specifically to a kind of anti-trapped gas water pump.
Background technology
At a certain temperature, when reducing pressure to pressure for vaporization at this temperature, liquid just generates bubble to liquid.This
The phenomenon that generating bubble referred to as cavitation.The bubble generated when cavitation, when flowing at high pressure, volume reduces so that vanishing.This
Kind is due to the phenomenon that pressure rises bubble collapse in a liquid referred to as cavitation collapse.
It pumps in operation, if the regional area (being typically the somewhere of impeller blade import later) of its excessively stream part is because of certain
Kind of reason, pump liquid absolute pressure be reduced at that time at a temperature of liquid pressure for vaporization when, liquid just starts vapour at this
Change, generate a large amount of steam, form bubble, when bubble flows to Ye Daonei pressure higher positions with liquid, the fluid pressure of outside is high
In the pressure for vaporization in bubble, then bubble condenses crumble and fall to form hole again, and the liquid of moment inner periphery is with high speed
It is brought to hole, liquid is caused to hit mutually, local pressure is made to increase suddenly (some is up to hundreds of atmospheric pressure).In this way,
Liquid proper flow is not only hindered, is particularly acute, if these bubbles are crumbled and fall in impeller near wall, liquid is just as nothing
Several small bullets are the same, continuously hit metal surface.Its collision frequency is very high (some is up to 2000~3000Hz), then golden
Metal surface breakaway due to impact fatigue.If being mingled with certain active gases (such as oxygen) in bubble, they are condensed by bubble
When the heat (local temperature is up to 200~300 DEG C) released, can also form thermocouple, generate electrolysis, form electrochemical corrosion and make
With more accelerating the breakdown speed that metal degrades.Above-mentioned this liquid vaporization, impact, forms high pressure, high temperature, high frequency punching at condensation
Load is hit, the synthesis phenomenon that the mechanical breakaway of metal material is destroyed with electrochemical corrosion is caused to be known as cavitation.Water pump generates cavitation
Afterwards other than it will produce destruction to flow passage components, noise and vibration are also will produce, and the performance of pump is caused to decline, seriously
When liquid can be made to interrupt in pump, cisco unity malfunction.
Utility model content
The technical problem to be solved by the present invention is to be also easy to produce aeration water pump structure performance for above-mentioned water pump
Problem provides a kind of new anti-trapped gas water pump.
The utility model solve above-mentioned technical problem technical solution be：
A kind of anti-trapped gas water pump, including pump case, motor section, impeller are provided, wherein having motor cavity and leaf in the pump case
Chamber is taken turns, and there is the water inlet for being connected to the impeller cavity on the pump case；The motor section and impeller are respectively installed in the electricity
In machine cavity and impeller cavity, and the impeller is driven by the motor section and is rotated；The front end of the impeller has at least one relieving stagnant Qi
Column, the relieving stagnant Qi column are parallel to the motor shaft of motor section and follow the impeller to rotate and stir brokenly from the flow that water inlet sucks
Bubble.
In anti-trapped gas water pump described in the utility model, the impeller cavity of the pump case has opening, and the opening is pacified
Equipped with impeller cover, the water inlet is located on the impeller cover.
In anti-trapped gas water pump described in the utility model, the water inlet is located at the center of impeller cover, the relieving stagnant Qi column
Close to the center setting of impeller, and the free end of the relieving stagnant Qi column extends to the water inlet.
In anti-trapped gas water pump described in the utility model, the cross section of the relieving stagnant Qi column is in wing, and the relieving stagnant Qi column
Cross-sectional area be gradually reduced to free end by root.
In anti-trapped gas water pump described in the utility model, the front end of the impeller has two relieving stagnant Qi columns, and institute
The root for stating relieving stagnant Qi column is located at the root of blade of the impeller.
In anti-trapped gas water pump described in the utility model, the water inlet is rounded, the free end position of the relieving stagnant Qi column
At the half position of the water inlet port radius.
In anti-trapped gas water pump described in the utility model, running orbit of the relieving stagnant Qi column under the drive of impeller is circle
Shape, 2 times of the circular radius are the radius of the water inlet.
In anti-trapped gas water pump described in the utility model, the impeller cover is at least provided with two fan-shaped cover plates；Adjacent institute
State and form the intransitable gap of bubble between fan-shaped cover plate, the opening of the gap and the impeller cavity formed liquid can by
Runner.
In anti-trapped gas water pump described in the utility model, on the impeller cover at least provided with two runners and should
Runner is radial around the water inlet；The distance between the non-conterminous both sides of runner are equal.
In anti-trapped gas water pump described in the utility model, water outlet, and the water outlet are additionally provided on the pump case
The central axis of mouth is mutually parallel with the central axis positioned at the water inlet, and the water outlet and impeller cavity are in axis projection
There is overlapping.
The anti-trapped gas water pump of the utility model has the advantages that：By holding setting relieving stagnant Qi column before the impeller and following
Impeller is rotated and is stirred brokenly from the bubble in the flow that water inlet sucks, failure rate that is simple in structure and effectively reducing water pump.
Description of the drawings
Fig. 1 is the structural schematic diagram of pump case in the anti-trapped gas water pump of the utility model；
Fig. 2 is the stereoscopic schematic diagram of the impeller with relieving stagnant Qi column in the anti-trapped gas water pump of the utility model；
Fig. 3 is the vertical view of the impeller with relieving stagnant Qi column in the anti-trapped gas water pump of the utility model；
Fig. 4 is the front view of the impeller with relieving stagnant Qi column in the anti-trapped gas water pump of the utility model；
Fig. 5 is the upward view of the impeller with relieving stagnant Qi column in the anti-trapped gas water pump of the utility model；
Fig. 6 is that the impeller cavity of pump case in the anti-trapped gas water pump of the utility model is mounted with the structure chart of impeller；
Fig. 7 is that the impeller cavity of pump case in the anti-trapped gas water pump of the utility model is mounted with the upward view of impeller；
Fig. 8 is the structural schematic diagram of impeller cover in the anti-trapped gas water pump of the utility model；
Fig. 9 is the schematic diagram that opening in the anti-trapped gas water pump of the utility model in impeller cavity is mounted with impeller cover；
Figure 10 is the sectional view for being mounted with impeller and motor in the anti-trapped gas water pump of the utility model in impeller cavity and motor cavity；
Figure 11 is the upward view of the anti-trapped gas water pump of the utility model；
Figure 12 is the explosive view of the installation process of the anti-trapped gas water pump of the utility model.
Reference numeral includes：
1- pump case 2- impeller 2a- impeller cavities
3- impeller cover 4- water inlet 5- water outlets
6- relieving stagnant Qi column 7- runner 8- sector cover plates
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As shown in figs. 1-12, it is the schematic diagram of the anti-trapped gas water pump embodiment of the utility model, which can apply
In fields such as electronic product, craftwork, mechanical equipments.Anti- trapped gas water pump in this implementation includes pump case 1, motor section, impeller 2,
Wherein there is in pump case 1 motor cavity and chamber, and there is the water inlet 4 of connection impeller cavity 2a on pump case 1；Motor section and impeller 2 divide
It is not installed in motor cavity and impeller cavity 2a, and impeller 2 is driven by motor section and rotated；It is characterized in that：The front end of impeller 2 has
At least one relieving stagnant Qi column 6, relieving stagnant Qi column 6 are parallel to the motor shaft of motor section and follow impeller 2 to rotate and stir brokenly and sucked from water inlet 4
Flow in bubble.Bubble enters the destruction to flow passage components inside impeller cavity 2a in order to prevent, so the freedom of relieving stagnant Qi column 6
End extends to water inlet 4.
Wherein, the motor shaft that relieving stagnant Qi column 6 is parallel to motor section be prevent 6 varying cross-section of relieving stagnant Qi column (cross section refer to
Relieving stagnant Qi column 6 is in the radial direction) at the movement locus that is formed differ, can cause in the impeller cavity 2a around relieving stagnant Qi column 6 to be formed again
Bubble not of uniform size, the bubble inside impeller cavity 2a flow under the drive of impeller 2 from the water outlet 5 of pump case 1 rapidly
Go out, then be likely to occur in output channel can not continuous working fluid and the case where make pump that can not normally convey liquid, or
Bubble is crumbled and fall in 2 near wall of impeller, in this way, not only hindering liquid proper flow, liquid is just as numerous small bullet, even
2 metal surface of impeller is hit continuously.Its collision frequency is very high (some is up to 2000~3000Hz), and then metal surface is because of impact
Fatigue and breakaway.If being mingled with certain active gases (such as oxygen), the heat released when they are condensed by bubble in bubble
(local temperature is up to 200~300 DEG C) can also form thermocouple, generate electrolysis, form electrochemical corrosion effect, more accelerate
The breakdown speed that metal degrades.
Further, it is sucked in the water pump convenient for liquid, the impeller cavity 2a of pump case 1 has opening；In order to ensure liquid has
Directionality sucks in water pump, and opening is equipped with impeller cover 3, and water inlet 4 is located at the center of impeller cover 3, and relieving stagnant Qi column 6 is close to impeller
2 center setting.Wherein, impeller cover 3 is at least provided with two fan-shaped cover plates 8；Forming bubble between adjacent sector cover plate 8 cannot lead to
The gap crossed, the opening of the gap and impeller cavity 2a formed liquid can by runner 7.Specifically, it is at least set on 3 plate of impeller cover
It is radial around water inlet 4 that there are two runner 7 and the runners 7；The distance between 7 non-conterminous both sides of runner are equal.In product
During use, often there is air along with liquid into air stream enter runner 7 and/or water inlet 4.When having life in the inlet impeller cavity 2a
When producing enough air pockets, pump can not produce continuous working fluid and make pump that can not normally convey liquid, by aforementioned in pump case 1
Upper setting water inlet 4 stirs brokenly the bubble that will enter impeller cavity 2a with setting 7 dual structure of runner in opening, and bubble is made not tease
It stays in impeller cavity 2a, water is mingled with together with minute bubbles, and being likely to be breached liquid in this way can be continuous, to solve plugman
The phenomenon that making not pumped (conveying) medium.
Specifically, the cross section of relieving stagnant Qi column 6 is in wing, and the cross-sectional area of relieving stagnant Qi column 6 is gradually subtracted by root to free end
It is small.In the practical application of the present embodiment, the front end of the impeller 2 has two relieving stagnant Qi columns 6, and the root of relieving stagnant Qi column 6 is located at leaf
The root of blade of wheel 2, root and 2 front end of impeller of tiny column are integrally formed connection or are connected through a screw thread, solid by welding
It is fixed also.
The water inlet 4 of above structure is rounded, and the free end of relieving stagnant Qi column 6 is located at the half position of 4 radius of water inlet, leads to
Cross this kind of structure setting, convenient for relieving stagnant Qi column 6 by suck water inlet 4 bubble all stir brokenly (according to actual product structure situation with
And be intended to stir brokenly the bubble of much degree come set relieving stagnant Qi column 6 most just when).Certainly, fortune of the relieving stagnant Qi column 6 under the drive of impeller 2
Row track is circle, and 2 times of the circular radius are the radius of water inlet 4.
Or traditional water pump is exactly 5 central axis of water outlet and 4 central axis upright of water inlet or parallel, but is discharged
The perspective plane of mouth 5 and impeller cavity 2a does not overlap.The former is unfavorable for low water level work, and the latter is unfavorable for air discharge, both
Difficulty achievees the effect that Evacuable and smooth channel.Water outlet 5 is additionally provided in the present embodiment on pump case 1, and in water outlet 5
Mandrel line is mutually parallel with positioned at the central axis of water inlet 4, and water outlet 5 have in axis projection with impeller cavity 2a it is overlapping, then
It can achieve the effect that Evacuable and smooth channel.
The operation principle of the anti-trapped gas water pump of the utility model：
Impeller 2 is mounted in the impeller cavity 2a of pump case 1, and is fastened on pump shaft, and pump shaft is directly driven by motor, impeller 2
Then it is connected on pump shaft.Before pump startup, transported liquid is filled in pump case 1；After startup, impeller 2 drives high speed by pump shaft
Rotation, interlobate liquid also must be with rotation, under the influence of centrifugal force, and liquid is thrown to outer rim simultaneously from 2 center of impeller
Energy is obtained, enters volute pump case 1 to leave 2 outer rim of impeller at a high speed.In pump case 1, liquid due to being gradually expanded for runner 7 and
Slow down, and part kinetic energy is changed into static energy, discharge line is finally flowed into higher pressure, passes through the water outlet on pump case 1
Mouth 5 is sent to needing place to be centrally formed certain vacuum in impeller 2 when liquid flows to outer rim by 2 center of impeller, due to storage
The pressure of slot ullage is more than the pressure at suction inlet, and liquid is just continuously pressed into impeller 2.As it can be seen that as long as impeller 2 is continuous
Ground rotates, and liquid constantly will be inhaled into and be discharged.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
It is confined to this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should
It is subject to the protection scope in claims.
Claims (10)
1. a kind of anti-trapped gas water pump, including pump case, motor section, impeller, wherein there is motor cavity and impeller cavity in the pump case, and
There is the water inlet for being connected to the impeller cavity on the pump case；The motor section and impeller are respectively installed in the motor cavity and leaf
Intracavitary is taken turns, and the impeller is driven by the motor section and rotated；It is characterized in that：The front end of the impeller has at least one broken
Air column, the relieving stagnant Qi column are parallel to the motor shaft of motor section and follow the impeller to rotate and stir brokenly the flow sucked from water inlet
In bubble.
2. anti-trapped gas water pump according to claim 1, it is characterised in that：The impeller cavity of the pump case has opening, and institute
It states opening and impeller cover is installed, the water inlet is located on the impeller cover.
3. anti-trapped gas water pump according to claim 2, it is characterised in that：The water inlet is located at the center of impeller cover, institute
Center setting of the relieving stagnant Qi column close to impeller is stated, and the free end of the relieving stagnant Qi column extends to the water inlet.
4. anti-trapped gas water pump according to claim 1, it is characterised in that：The cross section of the relieving stagnant Qi column is in wing, and institute
The cross-sectional area for stating relieving stagnant Qi column is gradually reduced by root to free end.
5. anti-trapped gas water pump according to claim 1, it is characterised in that：The front end of the impeller has two relieving stagnant Qis
Column, and the root of the relieving stagnant Qi column is located at the root of blade of the impeller.
6. anti-trapped gas water pump according to claim 1, it is characterised in that：The water inlet is rounded, the relieving stagnant Qi column
Free end is located at the half position of the water inlet port radius.
7. anti-trapped gas water pump according to claim 1, it is characterised in that：Operation of the relieving stagnant Qi column under the drive of impeller
Track is circle, and 2 times of the circular radius are the radius of the water inlet.
8. anti-trapped gas water pump according to claim 2, it is characterised in that：The impeller cover is at least provided with two segment covers
Piece；The intransitable gap of bubble is formed between the adjacent fan-shaped cover plate, the gap and the opening of the impeller cavity form liquid
Physical efficiency by runner.
9. anti-trapped gas water pump according to claim 8, it is characterised in that：At least provided with described in two on the impeller cover
It is radial that runner and the runner surround the water inlet；The distance between the non-conterminous both sides of runner are equal.
10. anti-trapped gas water pump according to claim 1, it is characterised in that：Water outlet is additionally provided on the pump case, and
The central axis of the water outlet is mutually parallel with the central axis positioned at the water inlet, and the water outlet exists with impeller cavity
Axis projection has overlapping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820331159.5U CN207960968U (en) | 2018-03-09 | 2018-03-09 | Anti- trapped gas water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820331159.5U CN207960968U (en) | 2018-03-09 | 2018-03-09 | Anti- trapped gas water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207960968U true CN207960968U (en) | 2018-10-12 |
Family
ID=63742044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820331159.5U Active CN207960968U (en) | 2018-03-09 | 2018-03-09 | Anti- trapped gas water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207960968U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879354A (en) * | 2021-02-01 | 2021-06-01 | 冯海迪 | Reciprocating circulation centrifugal water pump |
-
2018
- 2018-03-09 CN CN201820331159.5U patent/CN207960968U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879354A (en) * | 2021-02-01 | 2021-06-01 | 冯海迪 | Reciprocating circulation centrifugal water pump |
| CN112879354B (en) * | 2021-02-01 | 2022-07-26 | 宁波市杰得泳池科技有限公司 | Reciprocating circulation centrifugal water pump |
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