CN106194837B - Pump case, centrifugal pump and the dish-washing machine of centrifugal pump - Google Patents
Pump case, centrifugal pump and the dish-washing machine of centrifugal pump Download PDFInfo
- Publication number
- CN106194837B CN106194837B CN201610560984.8A CN201610560984A CN106194837B CN 106194837 B CN106194837 B CN 106194837B CN 201610560984 A CN201610560984 A CN 201610560984A CN 106194837 B CN106194837 B CN 106194837B
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- Prior art keywords
- baffle
- centrifugal pump
- spiral case
- inlet
- case
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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
- 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
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
-
- 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
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/445—Fluid-guiding means, e.g. diffusers especially adapted for liquid 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
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
Abstract
The invention discloses a kind of pump case of centrifugal pump, centrifugal pump and dish-washing machines.The pump case of the centrifugal pump includes：Spiral case, the spiral case have the inlet being located on its end wall and the outlet tube on its peripheral wall；Baffle, the baffle is located in the inner peripheral wall of the spiral case and the surface of the direction of the baffle inlet constitutes water conservancy diversion inclined-plane, and the central axis of the intersection and the inlet of plane is at an acute angle where at least part on the water conservancy diversion inclined-plane and the central axis of the inlet.The pump case of the centrifugal pump of the present invention has many advantages, such as that efficient, heat dissipation is uniform, structural strength is high.
Description
Technical field
The present invention relates to centrifugation pump technical fields, more particularly, to a kind of pump case of centrifugal pump, with the centrifugal pump
The centrifugal pump of pump case and dish-washing machine with the centrifugal pump.
Background technology
Centrifugal pump in the related technology, the centrifugal pump being especially used in dish-washing machine, inefficiency, and part was easy
Heat, local strength is inadequate under high speed rotation.
Invention content
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention propose it is a kind of from
The pump case of the pump case of heart pump, the centrifugal pump has many advantages, such as that efficient, heat dissipation is uniform, structural strength is high.
The present invention also proposes a kind of centrifugal pump of the pump case with the centrifugal pump.
The present invention also proposes a kind of dish-washing machine with the centrifugal pump.
The pump case of the centrifugal pump of embodiment according to a first aspect of the present invention, including：Spiral case, the spiral case, which has, is located at its end
Inlet on wall and the outlet tube on its peripheral wall；Baffle, the baffle is located in the inner peripheral wall of the spiral case and institute
The surface for stating the direction inlet of baffle constitutes water conservancy diversion inclined-plane, at least part on the water conservancy diversion inclined-plane and the inlet
Central axis where plane intersection and the inlet central axis it is at an acute angle.
The pump case of centrifugal pump according to the ... of the embodiment of the present invention by the way that baffle is arranged in the inner peripheral wall of spiral case, and makes gear
The intersection of plane and the central axis of inlet are in where at least part on the water conservancy diversion inclined-plane of plate and the central axis of inlet
Acute angle can enhance the structural strength of vulnerable areas such as chopping off the tongues, reduce the water conservancy centrifugal force of vulnerable area at high speed,
Improve water conservancy heat dissipation uniformity, improves the conservancy property of centrifugal pump.
In addition, the pump case of centrifugal pump according to the ... of the embodiment of the present invention also has following additional technical characteristic：
According to some embodiments of the present invention, the baffle prolongs from the place of chopping off the tongues of the spiral case along the circumferential direction of the spiral case
It stretches.
Optionally, the length in the circumferential direction of the spiral case of the baffle is less than or equal to the inner peripheral wall of the spiral case
Perimeter subtract the outlet tube inner end interior diameter.
In some embodiments of the invention, along the extending direction of the baffle, the water conservancy diversion inclined-plane and it is described into
Angle where the central axis of liquid mouth between the intersection and the central axis of the inlet of plane is gradually reduced.
Advantageously, along the extending direction of the baffle, the baffle is gradual in the thickness radially of the spiral case
Reduce.
Optionally, along the extending direction of the baffle, the center of the end and the inlet on the water conservancy diversion inclined-plane
The centerline axis parallel of the intersection and the inlet of plane where axis.
Preferably, along the extending direction of the baffle, the internal perisporium of the end and the spiral case on the water conservancy diversion inclined-plane
Face seamlessly transits.
In some specific embodiments of the present invention, the inner peripheral surface of the baffle and the central axis of the inlet are flat
Row.
According to some embodiments of the present invention, the baffle is connected with the inner bottom wall face of the spiral case.
According to some embodiments of the present invention, the baffle is integrally formed with the spiral case.
According to some embodiments of the present invention, at least part of interior diameter of the outlet tube gradually subtracts from outside to inside
It is small.
The centrifugal pump of embodiment according to a second aspect of the present invention, including：According to a first aspect of the present invention described in embodiment
The pump case of centrifugal pump；Impeller, the impeller are rotatably provided in the spiral case.
Centrifugal pump according to the ... of the embodiment of the present invention, using the pump case of centrifugal pump as described above, it is efficient, heat dissipation uniformly and
Structural strength is high.
According to some embodiments of the present invention, the centrifugal pump further includes：Outer cover, the outer cover are mounted on the spiral case
And the outer cover is equipped with the inlet tube being connected to the inlet；Heating plate, the heating plate is located in the spiral case, described
Heating plate is adjacent to the outer cover and the evacuation inlet tube.
The dish-washing machine of embodiment according to a third aspect of the present invention, including according to a second aspect of the present invention described in embodiment from
Heart pump.
Dish-washing machine according to the ... of the embodiment of the present invention, using centrifugal pump as described above, performance is good and reliability is high.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
Fig. 1 is the stereogram of centrifugal pump according to the ... of the embodiment of the present invention；
Fig. 2 is the partial sectional view of centrifugal pump according to the ... of the embodiment of the present invention；
Fig. 3 is the sectional view of centrifugal pump according to the ... of the embodiment of the present invention.
Reference numeral：
Centrifugal pump 1,
The pump case 10 of centrifugal pump,
Spiral case 100, inlet 101, outlet tube 102 chop off the tongues 103,
Baffle 200, water conservancy diversion inclined-plane 201,
Impeller 20, outer cover 30, inlet tube 31, heating plate 40.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term "center", " length ", " thickness ", "upper", "lower", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "bottom", "inner", "outside", " axial direction ", " radial direction ", " circumferential direction " is based on attached
Orientation or positional relationship shown in figure, is merely for convenience of description of the present invention and simplification of the description, rather than indicates or imply and is signified
Device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to the present invention
Limitation.In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two
It is a or more than two.
The application makes the discovery and research of following facts and problem based on inventor：
Centrifugal pump in the related technology, the centrifugal pump for being especially used for dish-washing machine occur one since complete machine needs to heat
The centrifugal pump of a little integral structures, however, since this structure needs to consider in assembling process the installation of heater, cause from
The pump action of heart pump and the heat effect of heater mutually restrain, and have seriously affected the performance of the two performance；And if using
The centrifugal pump and heater of non-Unitary structure, and installation volume can be caused huge, the inner space of dish-washing machine is occupied significantly, is pumped
Body performance is not played well.
In addition, the centrifugal pump with same cross-sectional spiral case or the vertical spiral case of variable cross-section in the related technology, due to spiral case
Section has certain resistance to fluid, to not only influence the conservancy property of centrifugal pump, but also the stream for pumping specific temperature
The centrifugal pump of body does not have the effect for accelerating temperature diffusion.
Therefore, centrifugal pump in the related technology does not combine pumping effect and heating effect effectively, leads to efficiency
Lowly, and part is easy overheat, and local strength is inadequate under high speed rotation.
For this purpose, the present invention proposes that a kind of pump case 10 of centrifugal pump, the pump case 10 of the centrifugal pump have efficient, heat dissipation
Even, the advantages that structural strength is high.
The pump case 10 of the centrifugal pump of embodiment according to a first aspect of the present invention is described below with reference to Fig. 1-Fig. 3.
As shown in Figure 1-Figure 3, the pump case 10 of centrifugal pump according to the ... of the embodiment of the present invention, including spiral case 100 and baffle 200.
Specifically, spiral case 100 has the inlet 101 being located on its end wall and the outlet tube 102 on its peripheral wall,
Fluid enters spiral case 100 from inlet 101 and is flowed out from outlet tube 102.Baffle 200 is located in the inner peripheral wall of spiral case 100, and
The surface towards inlet 101 of baffle 200 constitutes water conservancy diversion inclined-plane 201.For example, the central axis of inlet 101 is vertically square
To orientation, the central axis of outlet tube 102 substantially orients in the horizontal direction, water conservancy diversion inclined-plane 201 by baffle 200 upper surface structure
At to guide fluid to enter above spiral case 100 and flow out in the horizontal direction.Wherein, at least part on water conservancy diversion inclined-plane 201 and
The central axis of the intersection and inlet 101 of plane is at an acute angle where the central axis of inlet 101, that is, water conservancy diversion inclined-plane 201
Angle where the central axis of at least part and inlet 101 between the intersection and the central axis of inlet 101 of plane
It is acute angle for θ shown in figure, θ.
It should be noted that " at least part on water conservancy diversion inclined-plane 201 " includes entire water conservancy diversion inclined-plane 201 and water conservancy diversion inclined-plane
201 two kinds of situations of a part；Plane where the central axis of inlet 101 have it is numerous, wherein the institute with water conservancy diversion inclined-plane 201
It is at an acute angle with the central axis of inlet 101 to state at least one of multiple intersections that at least part is crossed to form.
The pump case 10 of centrifugal pump according to the ... of the embodiment of the present invention as a result, can be not using baffle 200 as described above
It influences to be oriented to fluid under the premise of water conservancy resistance, especially applies in the centrifugal pump for thering is temperature to spread, can improve
The diffuser efficiency of temperature avoids hot-spot, meanwhile, baffle 200 increases the chopping off the tongues at 103 to flow centrifugal force of spiral case 100
Bearing capacity, ensure carrying and the guidance capability of spiral case 100 at high speed chopped off the tongues at 103 to fluid.
In conclusion the pump case 10 of centrifugal pump according to the ... of the embodiment of the present invention, by being set in the inner peripheral wall of spiral case 100
Baffle 200 is set, and makes plane where at least part on the water conservancy diversion inclined-plane 201 of baffle 200 and the central axis of inlet 101
The central axis of intersection and inlet 101 is at an acute angle, has substantially effectively played pump action and heat effect as a result, to
The conservancy property for not only increasing centrifugal pump improves the efficiency of centrifugal pump, and can improve water conservancy heat dissipation uniformity, enhancing
It chops off the tongues the structural strengths of 103 equal vulnerable areas, reduces the water conservancy centrifugal force of vulnerable area at high speed.
According to some embodiments of the present invention, as depicted in figs. 1 and 2, the chopping off the tongues from 103 along snail from spiral case 100 of baffle 200
The circumferentially extending of shell 100, i.e. baffle 200 from chop off the tongues 103 away from outlet tube 102 direction and prolong along the circumferential direction of spiral case 100
Stretch, here, with the beginning of baffle 200 (i.e. it is neighbouring chop off the tongues 103 one end) be baffle 200 outer end, with the end of baffle 200
(i.e. far from chop off the tongues 103 one end) be baffle 200 inner end.In this way, baffle 200 can smoothly direct fluid to outlet tube 102,
And it is more preferable to the temperature diffusion effect of fluid.
It is appreciated that the length in the circumferential direction of spiral case 100 of baffle 200 can be less than the inner peripheral wall of spiral case 100
Perimeter subtracts the interior diameter of the inner end of outlet tube 102, and here, the inner end of outlet tube 102 refers to the neighbouring spiral case of outlet tube 102
100 one end, similarly, the outer end of outlet tube 102 refer to one end of the separate spiral case 100 of outlet tube 102.Preferably, baffle
The perimeter for the inner peripheral wall that 200 length in the circumferential direction of spiral case 100 can be equal to spiral case 100 subtracts the inner end of outlet tube 102
Interior diameter, to ensure baffle 200 to flowing through the water conservancy diversion and temperature diffusion of the fluid of 100 entire inner peripheral wall of spiral case,
And further enhance the structural strength of spiral case 100.
In some embodiments of the invention, as depicted in figs. 1 and 2, along the extending direction of baffle 200, water conservancy diversion inclined-plane 201
And the angle theta where the central axis of inlet 101 between the intersection and the central axis of inlet 101 of plane is gradually reduced,
For example, water conservancy diversion inclined-plane 201 is the upper surface of baffle 200, water conservancy diversion inclined-plane 201 along the circumferential inwardly extending of spiral case 100 and gradually to
Lower spiral overturning, to which the fluid entered in spiral case 100 by inlet 101 is gradually oriented to outlet tube 102.Advantageously, such as Fig. 1
Shown in Fig. 2, along the extending direction of baffle 200, baffle 200 is gradually reduced in the thickness radially of spiral case 100, to enhance
The structural strength at 103 of chopping off the tongues and the structure for simplifying pump case 10.
Optionally, as shown in Fig. 2, along baffle 200 extending direction, in the end and inlet 101 on water conservancy diversion inclined-plane 201
The centerline axis parallel of the intersection and inlet 101 of plane where mandrel line, i.e. angle theta are 0 °, thus fluid can smoothly into
Enter in the helical flow path in spiral case 100, water conservancy resistance is small.Preferably, along the extending direction of baffle 200, the end on water conservancy diversion inclined-plane 201
The inner peripheral wall with spiral case 100 is held to seamlessly transit, to further decrease water conservancy resistance.
In some specific embodiments of the present invention, as shown in Figure 1-Figure 3, inner peripheral surface and the inlet 101 of baffle 200
Centerline axis parallel, that is, the central axis for being axially parallel to inlet 101 of the inner peripheral surface of baffle 200, to water conservancy resistance
It is small.
According to some embodiments of the present invention, as shown in Figures 2 and 3, baffle 200 is connected with the inner bottom wall face of spiral case 100,
To easy for installation, and structural strength is high, good reliability.Preferably, baffle 200 can be integrally formed with spiral case 100, with simplification
Production and processing technology.
According to some embodiments of the present invention, as shown in Figure 1-Figure 3, at least part of interior diameter of outlet tube 102 by
It is outer to be gradually reduced to interior, for example, the interior diameter of one section (i.e. inner segment of outlet tube 102) of the neighbouring spiral case 100 of outlet tube 102 by
Interior to outer gradual increase, the interior diameter of one section (i.e. outer segment of outlet tube 102) of the separate spiral case 100 of outlet tube 102 by it is interior extremely
It is outer constant, to the pump-conveying property conducive to raising centrifugal pump.
Below with reference to the accompanying drawings the pump case 10 of the centrifugal pump of a specific embodiment according to the present invention is described in detail, is worth reason
Solution, only exemplary illustration described below, and be not considered as limiting the invention.
As shown in Figure 1-Figure 3, the pump case 10 of centrifugal pump according to the ... of the embodiment of the present invention, including spiral case 100 and baffle 200.
Specifically, spiral case 100 has the inlet 101 being located on its end wall and the outlet tube 102 on its peripheral wall,
The central axis of inlet 101 orients along the vertical direction, and the central axis of outlet tube 102 substantially orients in the horizontal direction, and goes out
The interior diameter of the inner segment of liquid pipe 102 gradually increases from the inside to the outside, and the interior diameter of the outer segment of outlet tube 102 is constant from the inside to the outside.Gear
Plate 200 is embedded or is integrally formed in the inner peripheral wall of spiral case 100, and baffle 200 is from chopping off the tongues 103 away from outlet tube 102
Direction and along the circumferentially extending of spiral case 100, the central axis for being axially parallel to inlet 101 of the inner peripheral surface of baffle 200, baffle
The perimeter that 200 length in the circumferential direction of spiral case 100 is less than the inner peripheral wall of spiral case 100 subtracts in the inner end of outlet tube 102
Diameter, and the upper surface of baffle 200 constitutes water conservancy diversion inclined-plane 201.
Wherein, the center of the intersection and inlet 101 of plane where the central axis of water conservancy diversion inclined-plane 201 and inlet 101
Angle between axis is θ, and θ is acute angle, also, along the extending direction of baffle 200, baffle 200 spiral case 100 radially
Thickness is gradually reduced, the center of the intersection and inlet 101 of plane where the central axis of water conservancy diversion inclined-plane 201 and inlet 101
Angle theta between axis is gradually reduced, the intersection of plane where the end on water conservancy diversion inclined-plane 201 and the central axis of inlet 101
Angle theta with the central axis of inlet 101 is 0 °, and the end on water conservancy diversion inclined-plane 201 and the inner peripheral wall of spiral case 100 are smoothed
It crosses.
The pump case 10 of centrifugal pump according to the ... of the embodiment of the present invention as a result, can be abundant using baffle 200 as described above
The pump action and heat effect for effectively playing centrifugal pump, so that the conservancy property of centrifugal pump is good, efficient, Er Qieneng
Enough improvement water conservancy heat dissipation uniformities improve the structural strength for 103 equal vulnerable areas of chopping off the tongues, reduce vulnerable area in high rotating speed
Under water conservancy centrifugal force.
The centrifugal pump 1 of embodiment according to a second aspect of the present invention is described below with reference to Fig. 1-Fig. 3.
As shown in Figure 1-Figure 3, centrifugal pump 1 according to the ... of the embodiment of the present invention, including pump case and impeller 20.
Specifically, pump case is the pump case 10 of the centrifugal pump according to first aspect present invention embodiment.Impeller 20 can
It is rotatably located in spiral case 100, impeller 20 drives fluid to turn by the torque that the actuating unit of the lower end of centrifugal pump 1 is transmitted
It is dynamic.
Centrifugal pump 1 according to the ... of the embodiment of the present invention, using the pump case 10 of centrifugal pump as described above, efficient, heat dissipation is
Even and structural strength is high.
According to some embodiments of the present invention, as shown in figure 3, centrifugal pump can also include outer cover 30 and heating plate 40.Outside
Cover 30 is mounted on spiral case 100, and outer cover 30 is equipped with the inlet tube 31 being connected to inlet 101.Heating plate 40 is located at spiral case
In 100, heating plate 40 is adjacent to outer cover 30 and evacuation inlet tube 31, to be carried out to the fluid entered by inlet tube 31 in spiral case 100
Heating.
Other of centrifugal pump 1 according to the ... of the embodiment of the present invention are constituted and are operated for those of ordinary skills
All it is known, is not detailed herein.
The dish-washing machine of embodiment according to a third aspect of the present invention, including according to a second aspect of the present invention described in embodiment from
Heart pump 1.
Dish-washing machine according to the ... of the embodiment of the present invention, using centrifugal pump 1 as described above, performance is good and reliability is high.
Other of dish-washing machine according to the ... of the embodiment of the present invention are constituted and are operated for those of ordinary skills
All it is known, is not detailed herein.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " specific embodiment ", " can
Select embodiment ", the description of " example " or " some examples " etc. mean specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of being detached from the principle of the present invention and objective a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The range of invention is limited by claim and its equivalent.
Claims (11)
1. a kind of pump case of centrifugal pump, which is characterized in that including：
Spiral case, the spiral case have the inlet being located on its end wall and the outlet tube on its peripheral wall；
Baffle, the baffle is located in the inner peripheral wall of the spiral case and the surface of the direction of the baffle inlet is constituted
The intersection of plane where the central axis of water conservancy diversion inclined-plane, at least part on the water conservancy diversion inclined-plane and the inlet with it is described into
The central axis of liquid mouth is at an acute angle；
The baffle is from the chopping off the tongues of the spiral case along the circumferentially extending of the spiral case；
The perimeter that the length in the circumferential direction of the spiral case of the baffle is less than or equal to the inner peripheral wall of the spiral case subtracts institute
State the interior diameter of the inner end of outlet tube；
Along the extending direction of the baffle, the intersection of plane where the central axis of the water conservancy diversion inclined-plane and the inlet
Angle between the central axis of the inlet is gradually reduced.
2. the pump case of centrifugal pump according to claim 1, which is characterized in that along the extending direction of the baffle, institute
The thickness radially that baffle is stated in the spiral case is gradually reduced.
3. the pump case of centrifugal pump according to claim 1, which is characterized in that along the extending direction of the baffle, institute
The intersection of plane where stating the end on water conservancy diversion inclined-plane and the central axis of the inlet and the central axis of the inlet are flat
Row.
4. the pump case of centrifugal pump according to claim 3, which is characterized in that along the extending direction of the baffle, institute
The end and the inner peripheral wall of the spiral case for stating water conservancy diversion inclined-plane seamlessly transit.
5. the pump case of centrifugal pump according to claim 1, which is characterized in that the inner peripheral surface of the baffle and the inlet
Centerline axis parallel.
6. the pump case of centrifugal pump according to any one of claims 1-5, which is characterized in that the baffle and the spiral case
Inner bottom wall face be connected.
7. the pump case of centrifugal pump according to any one of claims 1-5, which is characterized in that the baffle and the spiral case
It is integrally formed.
8. the pump case of centrifugal pump according to any one of claims 1-5, which is characterized in that at least the one of the outlet tube
Partial interior diameter is gradually reduced from outside to inside.
9. a kind of centrifugal pump, which is characterized in that including：
The pump case of centrifugal pump according to any one of claim 1-8；
Impeller, the impeller are rotatably provided in the spiral case.
10. centrifugal pump according to claim 9, which is characterized in that further include：
Outer cover, the outer cover is mounted on the spiral case and the outer cover is equipped with the inlet tube being connected to the inlet；
Heating plate, the heating plate are located in the spiral case, and the heating plate is adjacent to the outer cover and the evacuation inlet tube.
11. a kind of dish-washing machine, which is characterized in that including centrifugal pump according to claim 9 or 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610560984.8A CN106194837B (en) | 2016-07-13 | 2016-07-13 | Pump case, centrifugal pump and the dish-washing machine of centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610560984.8A CN106194837B (en) | 2016-07-13 | 2016-07-13 | Pump case, centrifugal pump and the dish-washing machine of centrifugal pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106194837A CN106194837A (en) | 2016-12-07 |
| CN106194837B true CN106194837B (en) | 2018-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610560984.8A Active CN106194837B (en) | 2016-07-13 | 2016-07-13 | Pump case, centrifugal pump and the dish-washing machine of centrifugal pump |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382251A (en) * | 2016-11-23 | 2017-02-08 | 广东威灵电机制造有限公司 | Centrifugal pump and impeller for centrifugal pump |
| CN109247895B (en) * | 2017-07-14 | 2021-10-26 | 青岛海尔洗碗机有限公司 | Dish washer washing pump and dish washer |
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| DE102006021245B4 (en) * | 2006-04-28 | 2008-03-06 | Bühler Motor GmbH | rotary pump |
| CN103089710A (en) * | 2011-10-28 | 2013-05-08 | 德昌电机(深圳)有限公司 | Heating pump |
| CN104024650A (en) * | 2012-01-05 | 2014-09-03 | 丰田自动车株式会社 | Azimuthal alignment of three parts of a compressor volute |
| CN104662301A (en) * | 2012-07-09 | 2015-05-27 | 新流体科技私人有限公司 | A solid body vortex pump |
| CN105545756A (en) * | 2015-12-17 | 2016-05-04 | 广东威灵电机制造有限公司 | Centrifugal pump |
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| CN106194837A (en) | 2016-12-07 |
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