CN206347292U - A kind of engine oil pump assembly - Google Patents
A kind of engine oil pump assembly Download PDFInfo
- Publication number
- CN206347292U CN206347292U CN201621415213.1U CN201621415213U CN206347292U CN 206347292 U CN206347292 U CN 206347292U CN 201621415213 U CN201621415213 U CN 201621415213U CN 206347292 U CN206347292 U CN 206347292U
- Authority
- CN
- China
- Prior art keywords
- oil
- rotating shaft
- pump
- rotor
- pump housing
- 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
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- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The utility model discloses a kind of engine oil pump assembly, including the pump housing and pump cover, cavity is offered in the pump housing, cavity includes cylindrical rotor chamber, oil suction chamber and goes out oil pocket, rotating shaft mounting hole is offered on the pump housing, rotating shaft mounting hole is connected with cavity, outer rotor is installed in rotor chamber, internal rotor is provided with outer rotor, internal rotor is set on one end of rotating shaft, the other end of rotating shaft is arranged with bushing, at least one oil sealing and bearing successively through the direction that shaft hole is stretched out in the pump housing, rotating shaft towards remote internal rotor.Drive device drives axis of rotation, and rotating shaft drives internal rotor to rotate, and internal rotor is engaged with outer rotor, through driving outer rotor to rotate, machine oil is sucked in oil suction chamber from fuel feed hole, excluded after pressurization through going out oil pocket from oil outlet, lid fuel pump structure is ingenious in design, and small volume is easily installed.By setting annular seal groove, O-ring seals, the sealing of lubricating oil pump is enhanced, prevents that machine oil is revealed between the pump housing and pump cover in cavity.
Description
Technical field
The utility model is related to a kind of engine oil pump assembly.
Background technology
Because market is larger to the demand of light truck, the particularly vehicle of low speed high capacity, such engine is to machine oil
The quality requirement of pump is very high.In view of oil production machine structure design needs, lubricating oil pump installing space is limited, while oil flow rate is big, turn
Speed is not high, and present fuel pump structure is complicated, is not easy to install, and sealing is poor, easy oil leakage.
The content of the invention
The purpose of this utility model is to provide a kind of engine oil pump assembly, and it is complicated to solve fuel pump structure in the prior art,
It is not easy to install, and sealing is poor, easy oil leakage technical problem.
In order to solve the above-mentioned technical problem the utility model, adopts the following technical scheme that：
A kind of engine oil pump assembly, including:
Cavity is offered in the pump housing, the pump housing, cavity includes cylindrical rotor chamber, oil suction chamber and goes out oil pocket, on the pump housing
Oil inlet passage and oil discharge passage are offered, oil inlet passage is connected with oil suction chamber, oil discharge passage is connected with going out oil pocket, opened up on the pump housing
There is rotating shaft mounting hole, rotating shaft mounting hole is connected with cavity, rotating shaft mounting hole is second order shoulder hole, outer turn is installed in rotor chamber
Internal rotor is provided with son, outer rotor, internal rotor is set on one end of rotating shaft, the other end of rotating shaft stretches out pump through shaft hole
Bushing, at least one oil sealing and bearing are arranged with successively towards the direction away from internal rotor in body, rotating shaft, and the radius of bushing is less than oil
Envelope, the radius of oil sealing is less than bearing；The pump housing is set with being offered on pump cover faying face around cavity in annular seal groove, seal groove
It is equipped with O-ring seals；
Pump cover, the pump cover is fixed by sunk screw with the pump housing, pump cover seal cavity.
Drive device drives axis of rotation, and rotating shaft drives internal rotor to rotate, and internal rotor is engaged with outer rotor, through driving outer turn
Son is rotated, and machine oil is sucked in oil suction chamber from fuel feed hole, is excluded after pressurization through going out oil pocket from oil outlet, and the fuel pump structure is set
Ingenious, small volume is counted, is easily installed.By setting annular seal groove, O-ring seals, the sealing of lubricating oil pump is enhanced, is prevented
Machine oil is revealed between the pump housing and pump cover in cavity.
Further improve, the rotating shaft is fixedly connected with internal rotor by alignment pin, improve the stabilization of internal rotor and rotating shaft
Property, prevent internal rotor from being relatively rotated with rotating shaft.
Further improve, the oil sealing is two, and two sealings are oppositely arranged, and oil seal spring is provided with oil sealing, is passed through
Oil sealing is set to prevent machine oil from being revealed from rotating shaft mounting hole.
Further improve, the rotating shaft is also arranged with jump ring, prevents bearing play vertically.
Further improve, the outer rotor there are ten internal tooths, and internal rotor there are nine external tooths.
Compared with prior art, the beneficial effects of the utility model are：
Drive device drives axis of rotation, and rotating shaft drives internal rotor to rotate, and internal rotor is engaged with outer rotor, through driving outer turn
Son is rotated, and machine oil is sucked in oil suction chamber from fuel feed hole, is excluded after pressurization through going out oil pocket from oil outlet, and the fuel pump structure is set
Ingenious, small volume is counted, is easily installed.By setting annular seal groove, O-ring seals, the sealing of lubricating oil pump is enhanced, is prevented
Machine oil is revealed between the pump housing and pump cover in cavity.
Brief description of the drawings
Fig. 1 is the structural representation of engine oil pump assembly described in the utility model.
Fig. 2 is Fig. 1 A-A sectional views.
Fig. 3 is the structural representation of the pump housing.
Fig. 4 is the structural representation of pump lid.
Fig. 5 is the structural representation of outer rotor.
Fig. 6 is the structural representation of internal rotor.
Embodiment
To make the purpose of this utility model and technical scheme clearer, below in conjunction with the utility model embodiment to this
The technical scheme of utility model is clearly and completely described.
As shown in figures 1 to 6, a kind of engine oil pump assembly, including:
Cavity is offered in the pump housing 1, the pump housing, cavity includes cylindrical rotor chamber, oil suction chamber and goes out oil pocket, on the pump housing
Oil inlet passage and oil discharge passage are offered, oil inlet passage is connected with oil suction chamber, oil discharge passage is connected with going out oil pocket, opened up on the pump housing
There is rotating shaft mounting hole, the mounting hole of rotating shaft 5 is connected with cavity, rotating shaft mounting hole is second order shoulder hole, outer turn is installed in rotor chamber
Internal rotor 4 is provided with son 3, outer rotor 3, internal rotor 4 is set in one end of rotating shaft 5, and the other end of rotating shaft 5 is stretched through shaft hole
Go out the direction in the pump housing 1, rotating shaft 5 towards remote internal rotor and be arranged with bushing 12, at least one oil sealing 8 and bearing 10, bushing successively
12 radius is less than oil sealing, and the radius of oil sealing is less than bearing；The pump housing is close with offering annular around cavity on pump cover faying face
O-ring seals 7 are provided with sealing groove, seal groove；
Pump cover 2, the pump cover 2 is fixed by sunk screw 13 with the pump housing 1, the seal cavity of pump cover 1.
Drive device drives axis of rotation, and rotating shaft drives internal rotor to rotate, and internal rotor is engaged with outer rotor, through driving outer turn
Son is rotated, and machine oil is sucked in oil suction chamber from fuel feed hole, is excluded after pressurization through going out oil pocket from oil outlet, and the fuel pump structure is set
Ingenious, small volume is counted, is easily installed.By setting annular seal groove, O-ring seals, the sealing of lubricating oil pump is enhanced, is prevented
Machine oil is revealed between the pump housing and pump cover in cavity.
In the present embodiment, the rotating shaft 5 is fixedly connected with internal rotor 4 by alignment pin 6, improves internal rotor and rotating shaft
Stability, prevents internal rotor from being relatively rotated with rotating shaft.
In the present embodiment, the oil sealing 8 is two, and two sealings 8 are oppositely arranged, and oil seal spring 9 is provided with oil sealing,
By setting oil sealing to prevent machine oil from being revealed from rotating shaft mounting hole.
In the present embodiment, the rotating shaft is also arranged with jump ring 11, prevents bearing play vertically.
In the present embodiment, the outer rotor 3 has ten internal tooths, and internal rotor 4 has nine external tooths.
Do not done in the utility model illustrate be prior art or can be achieved by prior art, Er Qieben
It is only preferable case study on implementation of the present utility model that case is embodied described in utility model, not for limiting this practicality
New practical range.The equivalent changes and modifications that i.e. all contents according to present utility model application the scope of the claims are made, should all make
For technology category of the present utility model.
Claims (5)
1. a kind of engine oil pump assembly, it is characterised in that including:
Cavity is offered in the pump housing, the pump housing, cavity includes cylindrical rotor chamber, oil suction chamber and goes out oil pocket, opened up on the pump housing
There are oil inlet passage and oil discharge passage, oil inlet passage is connected with oil suction chamber, oil discharge passage is connected with going out oil pocket, offer and turn on the pump housing
Axle mounting hole, rotating shaft mounting hole is connected with cavity, and rotating shaft mounting hole is second order shoulder hole, is provided with outer rotor in rotor chamber, outside
Internal rotor is provided with rotor, internal rotor is set on one end of rotating shaft, the other end of rotating shaft stretches out the pump housing through shaft hole, turns
Bushing, at least one oil sealing and bearing are arranged with successively towards the direction away from internal rotor on axle, and the radius of bushing is less than oil sealing, oil
The radius of envelope is less than bearing；The pump housing is provided with O with being offered on pump cover faying face around cavity in annular seal groove, seal groove
Shape sealing ring；
Pump cover, the pump cover is fixed by sunk screw with the pump housing, pump cover seal cavity.
2. engine oil pump assembly according to claim 1, it is characterised in that the rotating shaft is fixed with internal rotor by alignment pin
Connection.
3. engine oil pump assembly according to claim 1 or 2, it is characterised in that the oil sealing is two, and two sealings are relative
Set, oil seal spring is provided with oil sealing.
4. engine oil pump assembly according to claim 3, it is characterised in that the rotating shaft is also arranged with jump ring.
5. engine oil pump assembly according to claim 1, it is characterised in that the outer rotor has ten internal tooths, internal rotor has
Nine external tooths.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621415213.1U CN206347292U (en) | 2016-12-21 | 2016-12-21 | A kind of engine oil pump assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621415213.1U CN206347292U (en) | 2016-12-21 | 2016-12-21 | A kind of engine oil pump assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206347292U true CN206347292U (en) | 2017-07-21 |
Family
ID=59317832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621415213.1U Expired - Fee Related CN206347292U (en) | 2016-12-21 | 2016-12-21 | A kind of engine oil pump assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206347292U (en) |
-
2016
- 2016-12-21 CN CN201621415213.1U patent/CN206347292U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170721 Termination date: 20171221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |