CN209313546U - A kind of rotor assembly, electronic water pump and automobile - Google Patents
A kind of rotor assembly, electronic water pump and automobile Download PDFInfo
- Publication number
- CN209313546U CN209313546U CN201821852773.2U CN201821852773U CN209313546U CN 209313546 U CN209313546 U CN 209313546U CN 201821852773 U CN201821852773 U CN 201821852773U CN 209313546 U CN209313546 U CN 209313546U
- Authority
- CN
- China
- Prior art keywords
- accommodating cavity
- friction
- rotor assembly
- proof piece
- protective case
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a kind of rotor assembly, electronic water pump and automobile.The rotor assembly, including armature spindle and rotor body, it is characterised in that; it further include protective case, elastic component and friction-proof piece; the protective case, which is arranged, to be fixed on the armature spindle, is had an accommodating cavity, the elastic component and is successively sealed in armature spindle with friction-proof piece and be fixed in the accommodating cavity.When the rotor assembly of the utility model is used cooperatively as driving mechanism and axle sleeve, bradyseism can be played the role of, the noise generated when rotor body is effectively reduced by axial force；Even if the high rotation speed operation of rotor assembly, also can noise reduction, be suitably applied high powered water pump, and the performance of high powered water pump can be greatly improved.
Description
Technical field
The utility model belongs to water pump technology more particularly to a kind of rotor assembly, electronic water pump and automobile.
Background technique
Electronic water pump for automobile is easy to cause the iron core height of final rotor due to processing and assembling equidimension chain error
There is certain dislocation distance.Rotor is generally used cooperatively with graphite bushing, and graphite bushing is fixed on water pump casing, and is sheathed on
Armature spindle is additionally provided with friction-proof piece to reduce friction between rotor body and graphite bushing.When pump operation, rotor will
The impact force of water is stirred by the electromagnetic force and impeller of axial direction, therefore in water pump operation speed-regulation start/stop, rotor body front end
The friction-proof piece and graphite bushing friction that surface cover connects can generate axial vibration and noise.Exist for high powered water pump, such as power
The water pump of 200W or more, it is bigger to operate the magnetic pull being subject to, and vibrates more frequent, and the noise of generation is also bigger.
To reduce noise, current electronic water pump is usually used following two structure and carries out bradyseism:
(1) rubber wraps up friction-proof piece, is directly arranged between rotor body and axle sleeve；
(2) helical spring support friction-proof piece, i.e. helical spring are sheathed on armature spindle, along the direction of rotor body to axle sleeve according to
Secondary setting helical spring and friction-proof piece.
The first bradyseism structure be damping is carried out using the reversible deformation nature of rubber, however the structure can deformation range it is inclined
Small, shock resistance is low, is generally used for the water pump of 120W or less power；And rubber long period of soaking aging in high-temp liquid
Speed is accelerated, and durability is bad；Second of bradyseism structure is that damping is carried out using the compressible energy-absorbing of helical spring, however this knot
The elastic force of structure is circumferentially uneven, and graphite bushing can be made uneven wear occur, and compression zone it is big helical spring it is available
In high powered water pump, but required axial space is also more, so that overall structure is bigger than normal.And both above bradyseism modes
It is all that directly bradyseism part is set between friction-proof piece and rotor body, bradyseism part is movably sheathed on armature spindle, is being turned
When sub- high speed rotation, due to bradyseism part and the play of friction-proof piece, noise is also brought along.
Utility model content
Based on this, the purpose of the utility model is to provide a kind of rotor assembly, make rotor assembly as driving mechanism with
When axle sleeve is used cooperatively, bradyseism can be played the role of, the noise generated when rotor body is effectively reduced by axial force；Even if rotor
The high rotation speed operation of component, also can noise reduction, be suitably applied high powered water pump, and the performance of high powered water pump can be greatly improved.
The technical solution that the utility model is taken is as follows:
A kind of rotor assembly, including armature spindle and rotor body, which is characterized in that further include protective case, elastic component and anti-
Grinding, the protective case, which is arranged, to be fixed on the armature spindle, has an accommodating cavity, the elastic component and friction-proof piece successively seal in
Armature spindle is simultaneously fixed in the accommodating cavity.
Further, the protective case includes limiting section and hollow fixed part, and the armature spindle passes through the accommodating cavity
It is interference fitted with the fixed part, the accommodating cavity includes the first accommodating cavity, the second accommodating cavity for being sequentially communicated and being sequentially increased
With third accommodating cavity, first accommodating cavity is the hollow cavity of fixed part, and the elastic component is set in the second accommodating cavity simultaneously
Extend to third accommodating cavity, friction-proof piece is set to third accommodating cavity, and one end squeezes elastic component, and the other end is abutted with limiting section.
Further, the protective case further includes the second protective bulkhead and third protective bulkhead, and the medial surface of the second protective bulkhead encloses
Second accommodating cavity is synthesized, the medial surface of third protective bulkhead encloses third accommodating cavity, first accommodating cavity, the second accommodating
Chamber and third accommodating cavity are in cylindrical.
As an implementation, the limiting section include three limited blocks, the friction-proof piece include friction-proof piece ontology and
Three notch sections, bar shape, each notch section are opened from the outside of friction-proof piece ontology is inward-facing to the friction-proof piece ontology in a ring
If groove, the shape of each notch section is corresponding with the shape of each limited block.When installation, elastomer is first put into the second appearance
Chamber is set, then the notch section friction-proof piece is aligned one by one with limited block, is pushed into third accommodating cavity, then rotates friction-proof piece, make notch
Portion is staggered with limited block, and such friction-proof piece is that the portion of being limited is limited in accommodating cavity, while the other end of friction-proof piece compresses elasticity
Part.
Preferably, three limited blocks are successively spaced 120 ° of settings along the medial surface of third protective bulkhead, and three notch sections are along institute
The outer edge for stating friction-proof piece ontology is successively spaced 120 ° of settings.
Preferably, the friction-proof piece further includes three limiting slots, and each limiting slot is the bottom surface from friction-proof piece ontology
The groove that outer edge opens up downwards.While the notch section of friction-proof piece and limited block are staggered in this way, limited block can be caught in limit
In the slot of position, axial limiting, also rotation of the limitation friction-proof piece in third accommodating cavity not only are made to friction-proof piece.
Preferably, the elastic component is waveform spring, and the protective case further includes the limit sleeve in the second accommodating cavity
Cylinder, the end face of the spacing collar self-fixed department are extended to form into the second accommodating cavity, and waveform spring is sheathed on outside spacing collar
Side makes spacing collar reach the position-limiting action to waveform spring.
Further, protective case is located at one end of fixed part and the front end face contact of rotor body, and the protective case is modeling
Expect protective case, the friction-proof piece is potsherd.
The utility model also provides a kind of electronic water pump, and including the pump housing, axle sleeve and the rotor assembly, the axle sleeve is solid
Due to the pump housing, and seal in the front end that the armature spindle is located at protective case.
The utility model also provides a kind of automobile using the electronic water pump.
The beneficial effects of the utility model are:
(1) prior art is arranged the shock-damping structure of rubber or helical spring directly between rotor body and friction-proof piece, turns
Friction-proof piece can be made to be press directly against axle sleeve before son starting, rotor startup torque increases, the rotor assembly of the application, in rotor body
Protective case has been fixedly installed in front end face, and friction-proof piece and elastic component are provided in protective case, ensure that friction-proof piece is fixed
In in protective case, friction-proof piece will not generate pressure to axle sleeve before rotor assembly starts, and detent torque is effectively reduced, reduces loss；
(2) rotor assembly of the utility model is applied in high powered water pump, more can adapt to high-revolving working condition,
Realize that better effect of vibration and noise reduction, elastic component only need smaller deformation can effective bradyseism；Due to the spy of elastic component and protective case
Determine structure setting, friction-proof piece made to be fixed from play in protective case, and protective case and armature spindle cooperation are fixed, make protective case,
Friction-proof piece, elastic component and rotor body shape are integral, rotate with the rotation of rotor body, further reduce operation and make an uproar
Sound；
(3) elastic component of the utility model rotor assembly has just been pre-compacted in protective case keeps structure more compact,
In preferred elastic component waveform spring itself it is compact-sized, further save structure space, therefore axial needed for the utility model
Space is smaller, and structure is simple；
(4) the utility model preferred wave shape form spring, can be with long-term work in high-temp liquid as elastic component, durability
It is got well than rubber, and its elastic force is circumferentially more uniform, friction-proof piece will not be made uneven wear occur；
(5) rotor assembly of the utility model is suitable for high powered water pump, and suitable for auto pump.
Detailed description of the invention
Fig. 1 is the rotor assembly stereoscopic schematic diagram of band part section in embodiment 1；
Fig. 2 is rotor assembly perspective view of the explosion in embodiment 1；
Fig. 3 is the rotor assembly cross-sectional view of embodiment 1；
Fig. 4 is the protective case stereoscopic schematic diagram of band part section view in embodiment 1；
Fig. 5 is the protective case stereoscopic schematic diagram in embodiment 1；
Fig. 6 is the protective case cross-sectional view in embodiment 1；
Fig. 7 is the stereoscopic schematic diagram of friction-proof piece in embodiment 1；
Fig. 8 is that the axle sleeve of band part section view in embodiment 2 combines stereoscopic schematic diagram with rotor assembly；
Fig. 9 is the cross-sectional view that 2 bottom bracket axle of embodiment is combined with rotor assembly；
Wherein: 1- armature spindle, 2- rotor body, 3- protective case, 31- accommodating cavity, the first accommodating cavity of 311-, 312- second hold
Set chamber, 313- third accommodating cavity, 32- limited block, 33- fixed part, the second protective bulkhead of 34-, 35- third protective bulkhead, 36- limit sleeve
Cylinder, 4- elastic component, 5- friction-proof piece, 51- friction-proof piece ontology, 52- notch section, 53- limiting slot, 6- axle sleeve.
Specific embodiment
Embodiment 1
As shown in Fig. 1~7, the rotor assembly of the present embodiment, including armature spindle 1, rotor body 2, protective case 3, elastic component 4
With friction-proof piece 5.In the present embodiment, protective case 2 is plastic protective sleeve, and friction-proof piece 5 is potsherd, in other embodiments, protection
Set and friction-proof piece are also possible to other materials, as long as playing phase same-action.Protective case 2, which is arranged, to be fixed on armature spindle 1, tool
There is an accommodating cavity 31, elastic component 4 and successively seals in armature spindle 1 with friction-proof piece 5 and be fixed in accommodating cavity 31.
Further, protective case 3 further includes limiting section and hollow fixed part 33, and fixed part 33 is in hollow tube-shape, rotor
Axis 1 passes through accommodating cavity 31 and fixed part 33 is interference fitted, and accommodating cavity 31 includes the first accommodating cavity for being sequentially communicated and being gradually increased
311, the second accommodating cavity 312 and third accommodating cavity 313, the first accommodating cavity 311 are the hollow cavities of fixed part 33, and elastic component 4 is set
It is placed in the second accommodating cavity 312 and extends to third accommodating cavity 313, friction-proof piece 5 is set to third accommodating cavity 313, and one end is squeezed
Compression elasticity part 4, the other end is abutted with limiting section.
Further, protective case 3 further includes the second protective bulkhead 34 and third protective bulkhead 35, the medial surface of the second protective bulkhead 24
The second accommodating cavity 312 is enclosed, the medial surface of third protective bulkhead 35 encloses third accommodating cavity 313, the first accommodating cavity 311,
Two accommodating cavities 312 and third accommodating cavity 313 are in cylindrical.
As an implementation, limiting section includes three limited blocks 32, and friction-proof piece 5 includes friction-proof piece ontology 51, three
Notch section 52 and three limiting slots 53, bar shape, each notch section 52 are from friction-proof piece ontology 51 to friction-proof piece ontology 51 in a ring
The groove that inwardly opens up of side, the shape of each notch section 52 is corresponding with the shape of each limited block 32, each limiting slot
53 be the groove that the outer edge from a bottom surface of friction-proof piece ontology 51 opens up downwards.In the present embodiment, each limited block 32 is in
The semicolumn bodily form, each notch section 52 are in the top-down semicolumn bodily form, and three limited blocks 32 are along third protective bulkhead 35
Side is successively spaced 120 ° of settings, and three notch sections 52 are successively spaced 120 ° of settings along the outer edge of the friction-proof piece ontology 51.
In other embodiments, limited block and notch section are also possible to any other shape in correspondence with each other, will prevent when facilitating installation
Grinding is sent into subject to third accommodating cavity；Limiting slot can not also be set in other embodiments, if setting limiting slot can be preferred
Be set to limit it is block-shaped corresponding, to carry out rotary stopper to it.
In the present embodiment, elastic component 4 selects waveform spring, and protective case 3 further includes the limit in the second accommodating cavity 312
The end face of sleeve 36,36 self-fixed department 33 of spacing collar is extended to form into the second accommodating cavity 312, and waveform spring is sheathed on limit
36 outside of sleeve, spacing collar 36 produce position-limiting action to elastic component 4.
Protective case 3 is located at the front end of rotor body 2, and to make more compact structure, protective case 3 is located at one end of fixed part and turns
The front end face contact of sub- ontology 2.
Embodiment 2
The electronic water pump of the present embodiment, the rotor assembly including the pump housing (not shown), axle sleeve 6 and the utility model, axle sleeve 6
It is fixed on the pump housing, as shown in Fig. 8~9, axle sleeve 6 seals in armature spindle 1 and is located at the syntagmatic schematic diagram of axle sleeve 6 and rotor assembly
The front end of protective case 3.In the present embodiment, axle sleeve 6 is graphite bushing.
Embodiment 3
The automobile (not shown) of the present embodiment, including electronic water pump described in the utility model.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two
More than a.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.
Claims (10)
1. a kind of rotor assembly, including armature spindle and rotor body, which is characterized in that further include protective case, elastic component and abrasionproof
Piece, the protective case, which is arranged, to be fixed on the armature spindle, has an accommodating cavity, and the elastic component and friction-proof piece, which successively seal in, to be turned
Sub- axis is simultaneously fixed in the accommodating cavity.
2. rotor assembly according to claim 1, it is characterised in that: the protective case includes limiting section and hollow fixation
Portion, the armature spindle pass through the accommodating cavity and the fixed part and are interference fitted, and the accommodating cavity includes being sequentially communicated and successively
The first accommodating cavity, the second accommodating cavity and the third accommodating cavity increased, first accommodating cavity is the hollow cavity of fixed part, described
Elastic component is set in the second accommodating cavity and extends to third accommodating cavity, and friction-proof piece is set to third accommodating cavity, and one end squeezes
Elastic component, the other end are abutted with limiting section.
3. rotor assembly according to claim 2, it is characterised in that: the protective case further includes the second protective bulkhead and third
Protective bulkhead, the medial surface of the second protective bulkhead enclose second accommodating cavity, and the medial surface of third protective bulkhead encloses third appearance
Chamber is set, first accommodating cavity, the second accommodating cavity and third accommodating cavity are in cylindrical.
4. rotor assembly according to claim 3, it is characterised in that: the limiting section includes three limited blocks, described anti-
Grinding includes friction-proof piece ontology and three notch sections, and bar shape, each notch section are from abrasionproof to the friction-proof piece ontology in a ring
The inward-facing groove opened up in the outside of piece ontology.
5. rotor assembly according to claim 4, it is characterised in that: three limited blocks along third protective bulkhead medial surface according to
120 ° of minor tick settings, three notch sections are successively spaced 120 ° of settings along the outer edge of the friction-proof piece ontology.
6. rotor assembly according to claim 4, it is characterised in that: the friction-proof piece further includes three limiting slots, each
Limiting slot is the groove that the outer edge from a bottom surface of friction-proof piece ontology opens up downwards, the shape of each limiting slot and each limit
Position is block-shaped corresponding.
7. rotor assembly according to claim 2, it is characterised in that: the elastic component is waveform spring, the protective case
It further include the spacing collar in the second accommodating cavity, the end face of the spacing collar self-fixed department extends into the second accommodating cavity
It is formed, the waveform spring is sheathed on the outside of spacing collar.
8. rotor assembly according to claim 1, it is characterised in that: protective case is located at one end and the rotor body of fixed part
Front end face contact, the protective case is plastic protective sleeve, and the friction-proof piece is potsherd.
9. a kind of electronic water pump, it is characterised in that: including the pump housing, axle sleeve and any rotor assembly of claim 1~8,
The axle sleeve is fixed on the pump housing, and seals in the front end that the armature spindle is located at protective case.
10. a kind of automobile, it is characterised in that: including electronic water pump as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821852773.2U CN209313546U (en) | 2018-11-09 | 2018-11-09 | A kind of rotor assembly, electronic water pump and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821852773.2U CN209313546U (en) | 2018-11-09 | 2018-11-09 | A kind of rotor assembly, electronic water pump and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209313546U true CN209313546U (en) | 2019-08-27 |
Family
ID=67672803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821852773.2U Active CN209313546U (en) | 2018-11-09 | 2018-11-09 | A kind of rotor assembly, electronic water pump and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209313546U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113839538A (en) * | 2021-09-29 | 2021-12-24 | 东莞市吉铼升电机股份有限公司 | Brushless motor of rotating robot |
-
2018
- 2018-11-09 CN CN201821852773.2U patent/CN209313546U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113839538A (en) * | 2021-09-29 | 2021-12-24 | 东莞市吉铼升电机股份有限公司 | Brushless motor of rotating robot |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2676455C2 (en) | Multi-functional modular shock absorber of motor mounting support | |
| CN209313546U (en) | A kind of rotor assembly, electronic water pump and automobile | |
| RU2663644C2 (en) | Suspended motor mounting system in a power toothbrush | |
| CN203669746U (en) | Drilling hydraulic oscillator | |
| CN208605130U (en) | A kind of antidetonation helicoid hydraulic motor | |
| CN113674952A (en) | Shock-resistant buffer transformer cabinet | |
| CN205070671U (en) | A pretightning force adjusting device for motor | |
| CN205666747U (en) | Double dynamical reciprocating type magnetic energy power generation facility | |
| CN210007541U (en) | motor capable of resisting ultrahigh impact overload | |
| CN204357720U (en) | A kind of closed static seal high pressure magnetic coupling pump | |
| CN202260807U (en) | Shock absorption device for permanent magnetic wind power generator | |
| CN206918133U (en) | A kind of noise reduction is without excitation brake | |
| CN215419859U (en) | Double-end radiation motor type transducer | |
| CN214959088U (en) | Noise reduction structure of outer rotor direct current brushless motor | |
| CN202612025U (en) | Waterproof electric plunger hydraulic pump | |
| CN205231917U (en) | PMSM starting drive of damping low noise | |
| CN212547619U (en) | Novel fascia rifle of small money | |
| CN214403993U (en) | Multistage centrifugal pump with noise reduction structure | |
| CN220382864U (en) | Large-torque mute motor | |
| CN218771586U (en) | Micromotor with noise reduction function | |
| CN215268030U (en) | Linear motor driven buffer mechanism and electric tool | |
| CN215681974U (en) | Integrated micromotor with strong anti-interference performance | |
| CN215071897U (en) | Permanent magnet motor with combined casing | |
| CN215344228U (en) | Vibration motor structure | |
| CN210397503U (en) | Injection molding type electromagnetic clutch for automobile air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |