CN209115340U - A kind of draining pump reducing vibration - Google Patents
A kind of draining pump reducing vibration Download PDFInfo
- Publication number
- CN209115340U CN209115340U CN201821584938.2U CN201821584938U CN209115340U CN 209115340 U CN209115340 U CN 209115340U CN 201821584938 U CN201821584938 U CN 201821584938U CN 209115340 U CN209115340 U CN 209115340U
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- CN
- China
- Prior art keywords
- pump
- pump housing
- stator
- coil
- stator core
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Abstract
The utility model provides a kind of draining pump for reducing vibration.The draining pump includes: the pump housing, pump cover, p-m rotor with impeller, stator core and stator coil, the pump housing has a rotor chamber, the p-m rotor is assemblied in rotor chamber, it is a cylindrical pump case outside the rotor chamber of the pump housing, the stator core passes through stator coil and is assemblied in cylindrical pump case, it is characterized by: the stator core is equipped with a pair of opposite polar arc, a pair of air gap arc along polar arc face toward indent is offered on the opposite polar arc face, the outer surface of the cylinder pump case extends radially outward a pair of stopper compatible with air gap arc.The utility model is equipped with stopper in the cylindrical pump case of the pump housing, reduces the gap between the pump housing and stator core, achievees the effect that reduce pump working generates vibration in the process.
Description
Technical field
The utility model relates to a kind of structures of draining pump, more particularly to one kind is for household electrics such as washing machine, dish-washing machines
The pump body structure of the draining pump of device.
Background technique
The draining pump of existing household comprising the pump housing, pump cover, the p-m rotor with impeller, stator coil and stator iron
Core etc..The pump housing has a rotor chamber, and wherein p-m rotor is assemblied in inside the rotor chamber of the pump housing, and stator core passes through stator coil
It is assemblied in outside the rotor chamber of the pump housing.The Starting mode of such water pump such as earlier application, Patent No. CN101854105B institute are public
It opens, realizes starting using the special non-uniform gap between p-m rotor and stator core.
It is cylindrical structure outside the rotor chamber of the pump housing for convenience of the assembly with p-m rotor.The starting of water pump needs spy
Different non-uniform gap, the inner arc surface of stator core are the cambered surface of uneven distribution.Therefore, stator core and pump housing rotor chamber
There are gaps for cooperation between outer cylindrical body.When pump working, the p-m rotor of rotation generates adsorption capacity to stator core.By
Cylindrical body outside stator core and pump housing rotor chamber is clearance fit, and p-m rotor rotation absorption stator core is transported
It is dynamic, cause water pump to generate vibration during the work time.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of draining pump configuration that can reduce vibration.
A kind of draining pump reducing vibration comprising: the pump housing, pump cover, the p-m rotor with impeller, stator core and fixed
Subcoil, the pump housing have a rotor chamber, and p-m rotor is assemblied in rotor chamber, are a cylindrical pump case outside the rotor chamber of the pump housing
Body, stator core pass through stator coil and are assemblied in cylindrical pump case, it is characterised in that: stator core is equipped with a pair of opposite
Polar arc offers a pair of air gap arc along polar arc face toward indent, the outer surface of cylindrical pump case on the opposite polar arc face
Extend radially outward a pair of stopper compatible with air gap arc.
The utility model reduction vibration draining pump, by the cylindrical outer surface in the pump housing it is axially extending go out and air gap
The compatible stopper of arc increases the area of stator core and pump housing cylindrical outer surface, to increase stator core and the pump housing
The friction area of cylindrical outer surface reduces suction-operated of the p-m rotor rotation to stator core, to reduce pump operation
The vibration that process occurs.
Further, cylindrical pump case is provided with a pair of of coil limit rib, line close to the surface of one end of stator coil
The outer surface for being assemblied in the stator coil of the pump housing is tightly attached in circle limit rib interference.
Further, the inner wall for the stator core being assemblied on the pump housing is close in the side of coil limit rib.
Further, cylindrical pump case is provided with a pair of symmetrical T-shape iron core far from the surface of stator coil one end
Limit rib, T-shape iron core limit rib include top planes parallel with pump housing symmetrical plane and vertical with pump housing symmetrical plane
Foot's plane, the outer surface for being assemblied in the stator core of the pump housing is tightly attached in top planes and a step plane at least end face.
Further, stopper be a transition arc block, transition arcs block with a thickness of 0.4~0.6mm.
The utility model is that the outer surface of pump housing cylindrical body is provided with stopper and limit rib, to being assemblied on the pump housing
Stator core and stator coil carry out positioning assembly, reduce the gap of the pump housing and stator core and stator coil, reach reduction water
The effect of vibration is generated during pump work.
In order to better understand and implement, according to the present invention will be described in detail below with reference to the accompanying drawings.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing draining pump；
Fig. 2 is the cross-sectional view of existing draining pump A-A；
Fig. 2 a is the partial enlarged view of a-quadrant in Fig. 2；
Fig. 3 is the schematic perspective view of the utility model pump housing；
Fig. 4 is the side structure schematic diagram of the utility model draining pump；
Fig. 5 is the cross-sectional view of the B-B of the utility model draining pump；
Fig. 6 is the partial enlarged view of B area in Fig. 5.
1- pump housing 1.1- rotor chamber 1.2- pump case 1.3- stopper 1.4- coil limit rib 1.5- iron core limit rib
1.5.1- top planes 1.5.2- step plane 2- p-m rotor 3- impeller 4- stator coil 5- stator core 5.1- gas
Gap arc 5.2- polar arc 6- air gap
Specific embodiment
Referring to Fig.1-2 be existing draining pump structural schematic diagram, draining pump it include the pump housing 1, pump cover (not shown),
P-m rotor 2, stator coil 4 and stator core 5 with impeller.Rotor chamber 1.1 is provided on the pump housing 1, p-m rotor 2 assembles
Inside pump housing rotor chamber 1.1, stator core 5 passes through the outside that stator coil 4 is assemblied in pump housing rotor chamber 1.1.Reference Fig. 2 a,
Be provided with the air gap arc 5.1 toward indent on stator core 5, draining pump by between p-m rotor 2 and stator core 5 it is special not
Even air gap 6 realizes starting.But the outside of the rotor chamber 1.1 of existing draining pump is cylindrical pump case 1.2, due to cylindric pump case
There are air gaps 6 between body 1.2 and stator core 5.It therefore, is clearance fit, the pump housing 1 and stator between the pump housing 1 and stator core 5
Assembly between iron core 5 exists compared with big gap.At work, due to the presence in gap, biggish vibration is generated.
It is the pump body structure schematic diagram of the utility model shown in Fig. 3, the pump housing 1 includes rotor chamber 1.1 and cylindrical pump case
Body 1.2.Referring to shown in Fig. 5-6, stator core 5 is equipped with a pair of opposite polar arc 5.2, and a pair of of edge is offered on polar arc face 5.2
Toward the air gap arc 5.1 of indent, the pump housing 1 has radially extended a pair of with stator iron in the outer surface of cylindrical pump case 1.2 in polar arc face
The compatible stopper 1.3 of core air gap arc 5.1.
Referring to Fig. 6, stopper 1.3 is that the pump housing prolongs from plane D to plane E is only radial in the outer profile of cylindrical pump case
Stretch the transition arcs block with a thickness of L.In the present embodiment, plane D is by the center of circle and perpendicular to the plane of symmetrical plane C, plane E
For it is parallel with symmetrical plane and with the plane (distance that L1 is stator core open end) that at a distance from symmetrical plane is L1 half,
Transition arcs block L with a thickness of 0.4~0.6mm.
Referring to shown in Fig. 3, Fig. 5 and Fig. 6, it is equipped in the outer surface of the one end of cylindrical pump case 1.2 close to stator coil 4
A pair of symmetrical coil limit rib 1.4.After stator coil 4 is assemblied in pump housing cylindrical housings 1.2, the one of coil limit rib 1.4
End face is the outer surface that stator coil 4 is tightly attached in interference.As a preferred embodiment, referring to Fig. 6, the one of coil limit rib 1.4
Side is set as being close to a surface of stator core 4.
Referring to Fig. 6, it is provided on the surface of 1.2 one end far from stator coil 4 of pump housing cylinder pump case a pair of symmetrical
T-shape iron core limit rib 1.5.T-shape iron core limit rib 1.5 includes the top planes parallel with pump housing symmetrical plane C
And the foot plane 1.5.2 vertical with pump housing symmetrical plane C 1.5.1.Top planes 1.5.1 and step plane 1.5.2 at least one
It is tightly attached to the outer surface for the stator core 5 being assemblied on the pump housing in end face.See Fig. 6 embodiment, as an implementation, the pump housing
The step plane 1.5.2 of T-shape iron core limit rib is tightly attached to the outer surface of stator core 5.
The draining pump of the reduction vibration of the utility model, by being provided with resistance in the outside of pump housing cylinder pump case 1.2
Block 1.3, coil positioning bar 1.4 and iron core positioning bar 1.5 increase contact area and positioning on the assembly pump housing between part
Structure reduces the fit clearance between each components of the pump housing, to reduce the vibration of pump operation process generation.
The utility model is not limited to above embodiment, if the various changes or deformation to the utility model do not take off
Spirit and scope from the utility model, if these changes and deformation belong to the claims and equivalents of the utility model
Within the scope of, then the utility model is also intended to encompass these changes and deformation.
Claims (5)
1. a kind of draining pump for reducing vibration comprising: the pump housing, pump cover, the p-m rotor with impeller, stator core and stator
Coil, the pump housing have a rotor chamber, and the p-m rotor is assemblied in rotor chamber, are one outside the rotor chamber of the pump housing
Cylindrical pump case, the stator core pass through stator coil and are assemblied in cylindrical pump case, it is characterised in that: the stator
Iron core is equipped with a pair of opposite polar arc, and a pair of air gap arc along polar arc face toward indent, institute are offered on the opposite polar arc face
The outer surface for stating cylindrical pump case extends radially outward a pair of stopper compatible with air gap arc.
2. the draining pump according to claim 1 for reducing vibration, it is characterised in that: the cylinder pump case is close to stator
The surface of coil one end is provided with a pair of of coil limit rib, and the stator line for being assemblied in the pump housing is tightly attached in the coil limit rib interference
The outer surface of circle.
3. the draining pump according to claim 2 for reducing vibration, it is characterised in that: be close to the side of the coil limit rib
It is assemblied in the inner wall of the stator core on the pump housing.
4. the draining pump according to claim 1 for reducing vibration, it is characterised in that: the cylinder pump case is far from stator
The surface of one end of coil is provided with a pair of symmetrical T-shape iron core limit rib, and the T-shape iron core limit rib includes and pumps
The parallel top planes of body symmetrical plane and the foot plane vertical with pump housing symmetrical plane, the top planes and step plane
At least the outer surface for being assemblied in the stator core of the pump housing is tightly attached in an end face.
5. the draining pump according to claim 1 for reducing vibration, it is characterised in that: the stopper is the arc of a transition
Block, the transition arcs block with a thickness of 0.4~0.6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821584938.2U CN209115340U (en) | 2018-09-27 | 2018-09-27 | A kind of draining pump reducing vibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821584938.2U CN209115340U (en) | 2018-09-27 | 2018-09-27 | A kind of draining pump reducing vibration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209115340U true CN209115340U (en) | 2019-07-16 |
Family
ID=67199631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821584938.2U Active CN209115340U (en) | 2018-09-27 | 2018-09-27 | A kind of draining pump reducing vibration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209115340U (en) |
-
2018
- 2018-09-27 CN CN201821584938.2U patent/CN209115340U/en active Active
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