CN208950888U - A kind of high efficiency draining pump - Google Patents
A kind of high efficiency draining pump Download PDFInfo
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- CN208950888U CN208950888U CN201821307255.2U CN201821307255U CN208950888U CN 208950888 U CN208950888 U CN 208950888U CN 201821307255 U CN201821307255 U CN 201821307255U CN 208950888 U CN208950888 U CN 208950888U
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- gland
- impeller
- pump
- pump cover
- high efficiency
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Abstract
The utility model discloses a kind of high efficiency draining pumps, including the pump housing, gland and impeller, impeller to be rotatably mounted on the pump housing by shaft, and gland is fixedly mounted on the pump housing, and impeller is located at the top of gland；Gland is integrally in back taper column, and the center of gland offers centre bore, and the shaft of impeller runs through centre bore.Using the gland of inverted cone shape, under the premise of gland installation space is constant, increase impeller catchment area, is vortexed when wheel rotation draining is generated with gland cone match, effectively increase drain discharge.
Description
Technical field
The utility model relates to drain pump technical field more particularly to a kind of high efficiency draining pump.
Background technique
Draining pump is arranged usually to increase drainage speed in the electric appliances such as dish-washing machine, washing machine.Draining pump is arranged in discharge outlet, water
Stream is discharged after entering draining pump.In general, draining pump includes the pump housing, gland, impeller and pump cover, gland is located at the rear portion of lower whorl,
Pump cover is located on impeller, and water flow enters draining pump from pump cover, and for wheel rotation by outside water discharge pump, the gland at impeller rear portion plays gear
Water effect.
In the prior art, gland is tabular, pumps interior vortex and is formed by wheel rotation, flat gland only plays water blocking work
With there are limitations for catchment area, influence displacement.Meanwhile existing impeller center column diameter is larger, cause impeller power by
Limit.
Utility model content
The purpose of this utility model is that proposing a kind of high efficiency draining pump, have the characteristics that drain discharge is big.
For this purpose, the utility model uses following technical scheme:
A kind of high efficiency draining pump, including the pump housing, gland and impeller, impeller are rotatably mounted to the pump housing by shaft
On, gland is fixedly mounted on the pump housing, and impeller is located at the top of gland；Gland is integrally in back taper column, and the center of gland opens up
There is centre bore, the shaft of impeller runs through centre bore；
Impeller includes newel and multi-disc fan blade, and one end of fan blade is fixedly connected with newel, and the other end is free end；It is more
The free end of piece fan blade is located on the same circle, and the central axis of newel is the center of circle of the circle；The diameter of newel and the circle
Diameter ratio is 0.18-0.25.
Using the gland of inverted cone shape and the whole accounting of setting newel, under the premise of gland installation space is constant,
Increase impeller catchment area, when wheel rotation draining and gland cone match generate powerful vortex, increase water flow pressure difference effectively increases
Big drain discharge improves Energy Efficiency Ratio.
Further, the inner wall of gland is circular conical surface, and the angle of circular conical surface and its central axial line is 65-75 °.In this taper
Gland in range not only has preferable cooperation to generate the effect of vortex, moreover it is possible to the installation space with the pump housing and impeller with impeller
There is good fiting effect.
Further, it is provided with stator cooling chamber below gland, multiple through-holes are offered on gland, through-hole is for making water
Stream enters stator cooling chamber.When gland cooperation impeller generates vortex, the water circulating speed in stator cooling chamber can be increased, in turn
Increase heat exchange efficiency.
It further, further include pump cover, cap cover is set on the pump housing, and gland and impeller are respectively positioned on what pump cover was formed with the pump housing
In space；
Pump cover includes pump cover main body, feed liquor nozzle and outlet tube mouth, and pump cover main body is cylindrical, and feed liquor nozzle is set to pump cover
The end face of main body is simultaneously coaxially disposed with pump cover main body, and outlet tube mouth is located at the side of pump cover main body, the axis and pump of outlet tube mouth
The axis perpendicular of lid main body；
Pump cover main body and impeller are coaxially disposed, and the end of newel extends in feed liquor nozzle.
The setting of pump cover defines the approach axis and discharge direction of water flow, and water flow is made to enter row perpendicular to the direction of impeller
In water pump, then under the action of impeller from outside the tangential direction discharge pump of impeller, water (flow) direction changes at impeller.
Further, impeller further includes fixed ring, and newel and fan blade are set to the top of fixed ring, newel, fan blade
It is an integral molding structure with fixed ring.
The setting of fixed ring can position fan blade, while can guarantee the stability of impeller draining two.
Further, the pump housing is provided with cyclic annular erecting bed, and the outer edge of gland has flanging, and the bottom of gland is provided with gear
Ring, flanging are located at the top of cyclic annular erecting bed, and baffle ring is mutually matched with the inner wall of cyclic annular erecting bed makes gland be mounted on cyclic annular peace
It fills on platform；
The pump housing is additionally provided with interior mounting ring, the centre bore of interior mounting ring insertion gland；Interior mounting ring and cyclic annular erecting bed it
Between space be the stator cooling chamber.
The setting of cyclic annular erecting bed realizes gland and is fixedly mounted on the pump housing, and the setting of interior mounting ring is further to gland
It is limited.
Further, pump cover is placed on the outside of cyclic annular erecting bed, is equipped with sealing ring between pump cover and cyclic annular erecting bed.It realizes
The sealed connection of pump cover and the pump housing, the mounting means of pump cover make the assembling of draining pump more efficient and convenient.
The utility model has the following beneficial effects:
The utility model is constant in gland installation space using the gland of inverted cone shape and the whole accounting of setting newel
Under the premise of, increase impeller catchment area, is vortexed when wheel rotation draining is generated with gland cone match, effectively increase blowdown stream
Amount；It is opened up on gland and stator cooling chamber is set below through-hole and gland, when gland cooperation impeller generates vortex, it is fixed to increase
Water circulating speed in sub- cooling chamber, and then increase heat exchange efficiency.
Detailed description of the invention
Fig. 1 is a quarter axial sectional view of the high efficiency draining pump of the utility model one embodiment；
Fig. 2 is that draining pump shown in Fig. 1 removes the structural schematic diagram after pump cover；
Fig. 3 is the structural schematic diagram of the gland of draining pump shown in Fig. 1；
Draining pump shown in Fig. 4 removes the structural schematic diagram after pump cover, gland and impeller；
Fig. 5 is the contrast schematic diagram of the utility model gland impeller with gland impeller in the prior art；
Wherein, the pump housing 1, gland 2, impeller 3, pump cover 4, stator cooling chamber 5, cyclic annular erecting bed 11, interior mounting ring 12, shaft
31, newel 32, multi-disc fan blade 33, fixed ring 34, centre bore 21, flanging 22, baffle ring 23, locating slot 25, positioning convex strip 24, logical
Hole 26, reinforcing rib 27, pump cover main body 41, feed liquor nozzle 42 and outlet tube mouth 43, existing gland 2A, existing impeller 3A.
Specific embodiment
With reference to the accompanying drawing and specific embodiment further illustrates the technical solution of the utility model.
As shown in Figs 1-4, a kind of high efficiency draining pump, including the pump housing 1, gland 2 and impeller 3, impeller 3 can by shaft 31
Rotation is mounted on the pump housing 1, and gland 2 is fixedly mounted on the pump housing 1, and impeller 3 is located at the top of gland 2；
Whole gland 2 is in back taper column, and the center of gland 2 offers centre bore 21, and the shaft 31 of impeller 3 runs through centre bore
21。
Impeller 3 includes newel 32 and multi-disc fan blade 33, and one end of fan blade 33 is fixedly connected with newel 31, and the other end is
Free end；The free end of multi-disc fan blade 33 is located on the same circle, and the central axis of newel 32 is the center of circle of the circle；Newel 32
Diameter and the ratio between the diameter of a circle be 0.18-0.25.
Using the gland 2 of inverted cone shape and the whole accounting of setting newel, in the premise that 2 installation space of gland is constant
Under, increase catchment area, the rotation of impeller 3 draining generates vortex with 2 cone match of gland, effectively increase drain discharge.Wherein, it presses
The uniform wall thickness of lid 2 is consistent, so that the inner and outer wall of gland 2 is in circular conical surface.
The setting of 32 diameter of newel is so that newel 32 reduces in the accounting of impeller 3 on the whole, and then increases fan blade 33
Length, improve the drainability of impeller 3.The quantity of fan blade 33 is 4-8 piece, it is preferred that the quantity of fan blade 33 is 4.
As shown in figure 5, Fig. 5 A is the structural schematic diagram of existing gland 2A and existing impeller 3A and the cooperation schematic diagram of the two,
Fig. 5 B is the structural schematic diagram of the utility model gland 2 and impeller 3 and the cooperation schematic diagram of the two.As can be seen that this is practical new
3 newel 32 of impeller of type has lesser diameter, and gland 2 is in back taper column, and the two matches, and can increase catchment area, drains
When generate powerful vortex.
Further, the inner wall of gland 2 is circular conical surface, and the angle of circular conical surface and its central axial line is 65-75 °.It bores herein
The gland 2 in range is spent, not only has preferable cooperation to generate the effect of vortex with impeller 3, moreover it is possible to the peace with the pump housing 1 and impeller 3
There is good fiting effect in dress space.Preferably, the angle of circular conical surface and its central axial line is 70 °
The lower section of gland 2 is provided with stator cooling chamber 5, multiple through-holes 26 is offered on gland 2, through-hole 26 is for making water flow
Into stator cooling chamber 5.When gland 2 cooperates impeller 3 to generate vortex, the water circulating speed in stator cooling chamber 5 can be increased, into
And increase heat exchange efficiency.
Stator cooling chamber 5 is enclosed in the heat outside stator core, generated for taking away stator core work.The utility model
The pump housing of draining pump further includes stator core, coil and rotor, and coil is set in one end of stator core, stator core it is another
End is matched with rotor, and the shaft of impeller 3 is fixedly connected with shaft, and rotor is used to rotate by shaft impeller 3.
Further, the draining pump of the utility model further includes pump cover 4, and pump cover 4 covers on the pump housing 1, gland 2 and impeller
3 are respectively positioned in the space that pump cover 4 and the pump housing 1 are formed；
Pump cover 4 includes pump cover main body 41, feed liquor nozzle 42 and outlet tube mouth 43, and pump cover main body 41 is cylindrical, inlet tube
Mouth 42 is set to the end face of pump cover main body 41 and is coaxially disposed with pump cover main body 41, and outlet tube mouth 43 is located at the side of pump cover main body 41
Portion, the axis of outlet tube mouth 43 and the axis perpendicular of pump cover main body 41；
Pump cover main body 41 and impeller 3 are coaxially disposed, and the end of newel 32 extends in feed liquor nozzle 42.
The setting of pump cover 4 defines the approach axis and discharge direction of water flow, enters water flow perpendicular to the direction of impeller 3
In draining pump, then under the action of impeller 3 from outside the tangential direction discharge pump of impeller 3, water (flow) direction changes at impeller 3
Become.
Further, impeller 3 further includes fixed ring 34, and newel 32 and fan blade 33 are set to the top of fixed ring 34, in
Stem 32, fan blade 33 and fixed ring 34 are an integral molding structure.
The setting of fixed ring 34 can position fan blade 33, while can guarantee the stability of the draining of impeller 3 two.
Further, the pump housing 1 is provided with cyclic annular erecting bed 11, and the outer edge of gland 2 has flanging 22, the bottom of gland 2
It is provided with baffle ring 23, flanging 22 is located at the top of cyclic annular erecting bed 11, and baffle ring 23 is mutually matched with the inner wall of cyclic annular erecting bed 11
It is mounted on gland 2 on cyclic annular erecting bed 11；
The pump housing 1 is additionally provided with interior mounting ring 12, and interior mounting ring 12 is inserted into the centre bore 21 of gland 2；Interior mounting ring 12 and ring
Space between shape erecting bed 11 forms stator cooling chamber 5.
The setting of cyclic annular erecting bed 11 realizes gland 2 and is fixedly mounted on the pump housing 1, and the setting of interior mounting ring 12 is further
Gland 2 is limited.
Locating slot 25 is offered on the outside of the baffle ring 23 of gland 2 and is provided with positioning convex strip 24, meanwhile, cyclic annular erecting bed 11
Inner wall offer locating piece and positioning trough, when gland 2 and cyclic annular erecting bed 11 cooperate, locating slot 25 and cyclic annular erecting bed
11 locating piece matches, and positioning convex strip 24 is caught in the positioning trough of cyclic annular erecting bed 11, realizes the fixed installation of gland.
The bottom of gland 2 is additionally provided with reinforcing rib 27, and one end of reinforcing rib 27 starts from locating slot 25, other end phase centre bore
21 extend.
Pump cover 4 is placed on the outside of cyclic annular erecting bed 11, is equipped with sealing ring between pump cover 4 and cyclic annular erecting bed 11, realizes pump
The sealed connection of lid 4 and the pump housing 1, the mounting means of pump cover 4 make the assembling of draining pump more efficient and convenient.
Technical principle of the utility model has been described above with reference to specific embodiments.These descriptions are intended merely to explain this reality
With novel principle, and it cannot be construed to the limitation to scope of protection of the utility model in any way.Based on the explanation herein,
Those skilled in the art, which does not need to pay for creative labor, can associate with other specific implementation modes of this utility model,
These modes are fallen within the protection scope of the utility model.
Claims (7)
1. a kind of high efficiency draining pump, which is characterized in that including the pump housing, gland and impeller, the impeller is rotatable by shaft
Be mounted on the pump housing, the gland is fixedly mounted on the pump housing, and the impeller is located at the top of gland；
The gland is integrally in back taper column, and the center of the gland offers centre bore, and the shaft of the impeller runs through center
Hole；
The impeller includes newel and multi-disc fan blade, and one end of the fan blade is fixedly connected with newel, and the other end is freely
End；The free end of fan blade described in multi-disc is located on the same circle, and the central axis of the newel is the center of circle of the circle；The center
The ratio between diameter and the diameter of a circle of column are 0.18-0.25.
2. high efficiency draining pump according to claim 1, which is characterized in that the inner wall of the gland is circular conical surface, described
The angle of circular conical surface and its central axial line is 65-75 °.
3. high efficiency draining pump according to claim 1, which is characterized in that it is cooling to be provided with stator below the gland
Chamber offers multiple through-holes on the gland, and the through-hole is for making water flow enter stator cooling chamber.
4. high efficiency draining pump according to claim 1, which is characterized in that further include pump cover, the cap cover is set to pump
On body, the gland and impeller are respectively positioned in the space that pump cover and the pump housing are formed；
The pump cover includes pump cover main body, feed liquor nozzle and outlet tube mouth, and the pump cover main body is cylindrical, the feed liquor nozzle
Set on pump cover main body end face and be coaxially disposed with pump cover main body, the outlet tube mouth is located at the side of pump cover main body, it is described out
The axis of liquid pipe mouth and the axis perpendicular of pump cover main body；
The pump cover main body and impeller are coaxially disposed.
5. high efficiency draining pump according to claim 4, which is characterized in that the impeller further includes fixed ring, it is described in
Stem and fan blade are set to the top of fixed ring, and the newel, fan blade and fixed ring are an integral molding structure.
6. high efficiency draining pump according to claim 3, which is characterized in that the pump housing is provided with cyclic annular erecting bed, institute
The outer edge for stating gland has flanging, and the bottom of the gland is provided with baffle ring, and the flanging is located at the top of cyclic annular erecting bed,
The baffle ring is mutually matched with the inner wall of cyclic annular erecting bed, is mounted on gland on cyclic annular erecting bed；
The pump housing is additionally provided with interior mounting ring, the centre bore of the interior mounting ring insertion gland；The interior mounting ring and ring-type
Space between erecting bed is the stator cooling chamber.
7. high efficiency draining pump according to claim 6, which is characterized in that the pump cover is placed on the outer of cyclic annular erecting bed
Side is equipped with sealing ring between the pump cover and cyclic annular erecting bed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821307255.2U CN208950888U (en) | 2018-08-14 | 2018-08-14 | A kind of high efficiency draining pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821307255.2U CN208950888U (en) | 2018-08-14 | 2018-08-14 | A kind of high efficiency draining pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208950888U true CN208950888U (en) | 2019-06-07 |
Family
ID=66733740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821307255.2U Active CN208950888U (en) | 2018-08-14 | 2018-08-14 | A kind of high efficiency draining pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208950888U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799142A (en) * | 2018-08-14 | 2018-11-13 | 广东赛普电器制造有限公司 | A kind of high efficiency draining pump |
-
2018
- 2018-08-14 CN CN201821307255.2U patent/CN208950888U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799142A (en) * | 2018-08-14 | 2018-11-13 | 广东赛普电器制造有限公司 | A kind of high efficiency draining pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 528308 No.15, Shilong Road, committee of Yange village, Lunjiao, Shunde District, Foshan City, Guangdong Province Patentee after: GUANGDONG SAIPU APPLIANCES MANUFACTURING Co.,Ltd. Address before: No. 12, South Road, Huang Chung Industrial District, Beijiao Town, Shunde District, Foshan, Guangdong Patentee before: GUANGDONG SAIPU APPLIANCES MANUFACTURING Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |