CN206682576U - A kind of lubricating oil pump - Google Patents
A kind of lubricating oil pump Download PDFInfo
- Publication number
- CN206682576U CN206682576U CN201720332699.0U CN201720332699U CN206682576U CN 206682576 U CN206682576 U CN 206682576U CN 201720332699 U CN201720332699 U CN 201720332699U CN 206682576 U CN206682576 U CN 206682576U
- Authority
- CN
- China
- Prior art keywords
- pump
- pump housing
- lubricating oil
- shaft
- helical gear
- 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.)
- Expired - Fee Related
Links
Abstract
It the utility model is related to a kind of lubricating oil pump, including the pump housing, pump cover and pump shaft, the pump housing connects pump shaft with the center of pump cover, intermeshing internal rotor and outer rotor are provided between pump cover and the pump housing, the pump housing is respectively arranged with oil inlet and main oil-out, helical gear is provided with the periphery of the pump housing, outer rotor and pump cover, helical gear is fixedly connected with outer rotor by alignment pin, and internal rotor is movably set in the outside of pump shaft.The utility model is rational in infrastructure, and assembling is simple, strengthens the rotation flexibility ratio of inner and outer rotors, prevent that jam phenomenon occurs in machine oil transportation, can ensure that each parts are lubricated in time, realize the stable transport of machine oil, the lubricant effect of machine oil is improved, extends the service life of parts.
Description
Technical field
Pump housing technical field is the utility model is related to, more particularly to a kind of lubricating oil pump.
Background technology
Lubricating oil pump is that the fortune of each part of engine is forcibly sent to after machine oil is brought up into certain pressure in lubricating system
Device on dynamic surface.Lubricating oil pump has conclusive effect in whole engine lubrication system, and it is that whole engine carries
For enough pressure and the machine oil of flow, to ensure that each friction member is sufficiently lubricated, protect the pressure part of correlation not by
Damage.
Lubricating oil pump in prior art is all that band moving axis traction internal rotor rotates, and passes through the inclined of the pump housing by the rotation of internal rotor
The heart away from and rotate outer rotor, be lubricated so as to convey machine oil, this Standard is more complicated, and lubricating oil pump conveying oil level
Less, lubricant effect is poor, moreover, due to easily producing jam phenomenon when the eccentric throw of the pump housing drives outer rotor to rotate,
Rotate dumb, pause can be produced by causing to convey machine oil, so that oil lubricating not in time, causes parts to damage, or even nothing
Method uses.
The content of the invention
The defects of the purpose of this utility model is to be directed to prior art and deficiency, there is provided a kind of lubricating oil pump, the letter of its structure
Single to be rationally fixedly connected with helical gear by alignment pin with outer rotor, helical gear and outer rotor unitary rotation drive internal rotor to turn
It is dynamic, force the cavity space in the pump housing to carry out change from big to small, realize the stable transport of machine oil, not only make assembling simple
It is single, and the rotation flexibility ratio of inner and outer rotors is enhanced, also prevent that jam phenomenon occurs in machine oil transportation, can ensure each
Parts are lubricated in time, extend the service life of parts.
To achieve the above object, the utility model uses following technical scheme.
A kind of lubricating oil pump described in the utility model, including the pump housing, pump cover and pump shaft, the pump housing connect pump with the center of pump cover
Axle, is provided with intermeshing internal rotor between pump cover and the pump housing and outer rotor, the pump housing are respectively arranged with oil inlet and main oil-out,
Helical gear is provided with the periphery of the pump housing, outer rotor and pump cover, helical gear is fixedly connected with outer rotor by alignment pin, internal rotor
It is movably set in the outside of pump shaft.
Further, pump shaft is provided with helicla flute close on one end of the pump housing, and the pump housing is additionally provided with some relative with helicla flute
The auxiliary oil-out answered.
Further, through hole is provided with helical gear, is provided with the groove corresponding with through hole on outer rotor, through hole with it is recessed
Groove is equipped with alignment pin.
Further, rotor bushing is provided between alignment pin and groove inner wall.
Further, latch spring, latch spring and alignment pin counter stopper are embedded with through hole.
Further, one end of pump shaft close to pump cover is embedded with split washer, and it is fixed to be provided between split washer and pump cover
Position set, is provided with pad, the periphery of positioning sleeve is convexly equipped with block, axle is provided between block and pad between positioning sleeve and pump cover
Hold spring.
Further, the side of helical gear close to the pump housing is provided with thrust washer.
Further, pump shaft sets nut, nut and the spacing cooperation of backstop close to one end of the pump housing.
The utility model has the beneficial effect that：The utility model sets helical gear, and helical gear and outer rotor are passed through into alignment pin
It is fixedly connected, helical gear and outer rotor unitary rotation drive internal rotor to rotate, and force the cavity space in the pump housing to carry out from big
To small change, the stable transport of machine oil is realized, not only makes assembling simple, and enhance the rotation flexibility ratio of inner and outer rotors,
Also prevent that jam phenomenon occurs in machine oil transportation, can ensure that each parts are lubricated in time, extend the use of parts
Life-span.The utility model is rational in infrastructure, and assembling is simple, strengthens the rotation flexibility ratio of inner and outer rotors, prevents in machine oil transportation
It generation jam phenomenon, can ensure that each parts are lubricated in time, realize the stable transport of machine oil, improve the lubrication effect of machine oil
Fruit, extend the service life of parts.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
In figure:1st, the pump housing；2nd, pump cover；3rd, pump shaft；4th, internal rotor；5th, outer rotor；6th, helical gear；7th, alignment pin；8th, oil-feed
Hole；9th, oil outlet is aided in；10th, helicla flute；11st, through hole；12nd, groove；13rd, rotor bushing；14th, latch spring；15th, opening gear
Circle；16th, positioning sleeve；17th, pad；18th, block；19th, shaft end spring；20th, thrust washer；21st, nut.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of lubricating oil pump described in the utility model, including the pump housing 1, pump cover 2 and pump shaft 3, the pump housing 1 and pump
The center connection pump shaft 3 of lid 2, is provided with intermeshing internal rotor 4 and outer rotor 5, the pump housing 1 is set respectively between pump cover 2 and the pump housing 1
Oil inlet 8 and main oil-out are equipped with, helical gear 6 is provided with the periphery of the pump housing 1, outer rotor 5 and pump cover 2, helical gear 6 turns with outer
Son 5 is fixedly connected by alignment pin 7, and internal rotor 4 is movably set in the outside of pump shaft 3, and it is fixed that helical gear 6 and outer rotor 5 are passed through
Position pin 7 is fixedly connected, and helical gear 6 and the unitary rotation of outer rotor 5 drive internal rotor 4 to rotate, and force the cavity space in the pump housing 1 to be entered
The change gone from big to small, the stable transport of machine oil is realized, not only makes assembling simple, and enhance the rotation of inner and outer rotors
Flexibility ratio, also prevent that jam phenomenon occurs in machine oil transportation, can ensure that each parts are lubricated in time, extend parts
Service life.
Pump shaft 3 is provided with helicla flute 10 close on one end of the pump housing 1, and the pump housing 1 is additionally provided with some corresponding with helicla flute 10
Auxiliary oil-out 9, machine oil can be transported on each parts by helicla flute 10 and be lubricated, and improve the lubrication effect of machine oil
Fruit.
Through hole 11 is provided with helical gear 6, is provided with the groove 12 corresponding with through hole 11 on outer rotor 5, through hole 11 with
Groove 12 is equipped with alignment pin 7, is provided with rotor bushing 13 between alignment pin 7 and the inwall of groove 12, realizes sealing function,
And prevent alignment pin 7 from wearing, latch spring 14, latch spring 14 and the counter stopper of alignment pin 7 are embedded with through hole 11, to positioning
Pin 7 is protected, and prevents alignment pin 7 from coming off.
One end of pump shaft 3 close to pump cover 2 is embedded with split washer 15, and positioning is provided between split washer 15 and pump cover 2
Set 16, set positioning sleeve 16 to play the role of positioning, positioning precision, positioning sleeve 16 and the counter stopper of split washer 15 are improved, for fixed
Position and fixation, are provided with pad 17, prevent from wearing between positioning sleeve 16 and pump cover 2, the periphery of positioning sleeve 16 is convexly equipped with block 18,
Shaft end spring 19 is provided between block 18 and pad 17；The side of helical gear 6 close to the pump housing 1 is provided with thrust washer 20, increases
Add sealing effectiveness；Pump shaft 3 sets nut 21, nut 21 and the counter stopper of the pump housing 1 close to one end of the pump housing 1, prevents lubricating oil pump from existing
Make each parts vibration displacement in the course of work.
Described above is only better embodiment of the present utility model, therefore all according to described in the utility model patent application range
The equivalent change or modification done of construction, feature and principle, be included in the utility model patent application range.
Claims (8)
1. a kind of lubricating oil pump, including the pump housing（1）, pump cover（2）And pump shaft（3）, the pump housing（1）And pump cover（2）Center connection pump shaft
（3）, pump cover（2）With the pump housing（1）Between be provided with intermeshing internal rotor（4）And outer rotor（5）, the pump housing（1）It is respectively arranged with
Oil inlet（8）With main oil-out, it is characterised in that：The pump housing（1）, outer rotor（5）And pump cover（2）Periphery on be provided with helical gear
（6）, helical gear（6）With outer rotor（5）Pass through alignment pin（7）It is fixedly connected, internal rotor（4）It is movably set in pump shaft（3）It is outer
Portion.
A kind of 2. lubricating oil pump according to claim 1, it is characterised in that：Pump shaft（3）Close to the pump housing（1）One end on set
There is helicla flute（10）, the pump housing（1）It is additionally provided with some and helicla flute（10）Corresponding auxiliary oil-out（9）.
A kind of 3. lubricating oil pump according to claim 1, it is characterised in that：Helical gear（6）On be provided with through hole（11）, it is outer to turn
Son（5）On be provided with and through hole（11）Corresponding groove（12）, through hole（11）With groove（12）It is equipped with alignment pin
（7）.
A kind of 4. lubricating oil pump according to claim 2, it is characterised in that：Alignment pin（7）With groove（12）Set between inwall
It is equipped with rotor bushing（13）.
A kind of 5. lubricating oil pump according to claim 2, it is characterised in that：Through hole（11）Inside it is embedded with latch spring（14）,
Latch spring（14）With alignment pin（7）Counter stopper.
A kind of 6. lubricating oil pump according to claim 1, it is characterised in that：Pump shaft（3）Close to pump cover（2）One end be embedded with
Split washer（15）, split washer（15）With pump cover（2）Between be provided with positioning sleeve（16）, positioning sleeve（16）With pump cover（2）It
Between be provided with pad（17）, positioning sleeve（16）Periphery be convexly equipped with block（18）, block（18）With pad（17）Between be provided with
Shaft end spring（19）.
A kind of 7. lubricating oil pump according to claim 1, it is characterised in that：Helical gear（6）Close to the pump housing（1）Side set
There is thrust washer（20）.
A kind of 8. lubricating oil pump according to claim 1, it is characterised in that：Pump shaft（3）Close to the pump housing（1）One end set spiral shell
It is female（21）, nut（21）With the pump housing（1）Counter stopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720332699.0U CN206682576U (en) | 2017-03-31 | 2017-03-31 | A kind of lubricating oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720332699.0U CN206682576U (en) | 2017-03-31 | 2017-03-31 | A kind of lubricating oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206682576U true CN206682576U (en) | 2017-11-28 |
Family
ID=60390496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720332699.0U Expired - Fee Related CN206682576U (en) | 2017-03-31 | 2017-03-31 | A kind of lubricating oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206682576U (en) |
-
2017
- 2017-03-31 CN CN201720332699.0U patent/CN206682576U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171128 Termination date: 20190331 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |