CN204201440U - A kind of rotor-type oil pump - Google Patents
A kind of rotor-type oil pump Download PDFInfo
- Publication number
- CN204201440U CN204201440U CN201420660530.4U CN201420660530U CN204201440U CN 204201440 U CN204201440 U CN 204201440U CN 201420660530 U CN201420660530 U CN 201420660530U CN 204201440 U CN204201440 U CN 204201440U
- Authority
- CN
- China
- Prior art keywords
- oil
- pump
- rotor
- pump housing
- described pump
- 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
The utility model provides a kind of rotor-type oil pump, comprise driving gear, pump cover, the pump housing, external rotor, internal rotor, pump shaft, described pump cover is fixedly mounted on the pump housing, forming machine oil pocket between described pump cover and the pump housing, described pump shaft stretches in machine oil chamber through pump cover, described pump shaft outer end is provided with driving gear, described pump shaft the inner is provided with internal rotor and external rotor, described internal rotor and external rotor are located in machine oil chamber, the below in described pump housing inner engine oil chamber is provided with oil suction chamber and goes out oil pocket, be provided with in the described pump housing fuel filter mounting hole that communicates with oil suction chamber and with the Decompression valves mounting hole going out oil pocket and communicate, the excircle side of the described pump housing offers oil outlet, described oil outlet with go out oil pocket and communicate.The utility model rotor-type oil pump oil suction chamber, go out oil pocket, fuel filter mounting hole and Decompression valves mounting hole, oil-feed, oil return, generation pressure, pressure release can be integrated, compact structure, install take up room little.
Description
Technical field
The utility model relates to engine lubrication system, specifically a kind of rotor-type oil pump used in diesel engine.
Background technique
Oil pump effect, after machine oil is brought up to certain pressure, is sent to forcibly on the moving surface of each part of motor, is very important parts in lubricating system of diesel oil engine.Traditional rotor-type oil pump fuel filter is contained in oil pump rear, in parallel with main oil gallery, and pressure release is mainly realized by the Decompression valves be arranged on machine filter, and which results in oil pump profile comparatively large, loosely organized, requirements of installation space is large.
Model utility content
Technical problem to be solved in the utility model is: the rotor-type oil pump providing a kind of compact structure.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of rotor-type oil pump, comprise driving gear, pump cover, the pump housing, external rotor, internal rotor, pump shaft, described pump cover is fixedly mounted on the pump housing, forming machine oil pocket between described pump cover and the pump housing, described pump shaft stretches in described machine oil chamber through pump cover, described pump shaft outer end is provided with driving gear, described pump shaft the inner is provided with internal rotor and external rotor, described internal rotor and external rotor are located in machine oil chamber, the below in described pump housing inner engine oil chamber is provided with oil suction chamber and goes out oil pocket, be provided with in the described pump housing fuel filter mounting hole that communicates with oil suction chamber and with the Decompression valves mounting hole going out oil pocket and communicate, the excircle side of the described pump housing offers oil outlet, described oil outlet with go out oil pocket and communicate.
Further, described pump shaft coordinates with internal rotor and driving gear hot jacket respectively.
Further, between the described pump housing and pump cover be Flange joint.
Further, the described pump housing and pump cover joint are provided with gasket seal.
The beneficial effects of the utility model are: be provided with oil suction chamber in the pump housing, go out oil pocket, fuel filter mounting hole and Decompression valves mounting hole, can integrate oil-feed, oil return, generation pressure, pressure release, compact structure, install take up room little.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment rotor-type oil pump sectional view.
Fig. 2 is the utility model embodiment rotor-type oil pump pump body schematic diagram.
Label declaration: 1, driving gear; 2, pump cover; 3, the pump housing; 4, external rotor; 5, internal rotor; 6, pump shaft; 10, machine oil chamber; 11, oil pocket is gone out; 12, oil suction chamber; 14, oil outlet; 15, Decompression valves mounting hole; 16, fuel filter mounting hole.
Embodiment
By describing technology contents of the present utility model in detail, realized object and effect, accompanying drawing is coordinated to be explained below in conjunction with mode of execution.
The design of the utility model most critical is: provide a kind of rotor-type oil pump, fuel filter mounting hole and Decompression valves mounting hole is provided with in the pump housing, pump shaft adopts hot jacket fit system to be connected with internal rotor, pump shaft with driving gear, oil-feed, oil return, generation pressure, pressure release can be integrated, compact structure, installation takes up room little; Join strength can be significantly improved.
Please refer to Fig. 1 and Fig. 2, a kind of rotor-type oil pump, comprise driving gear 1, pump cover 2, the pump housing 3, external rotor 4, internal rotor 5, pump shaft 6, described pump cover 2 is fixedly mounted on the pump housing 3, forming machine oil pocket 10 between described pump cover 2 and the pump housing 3, described pump shaft 6 stretches in described machine oil chamber 10 through pump cover 2, described pump shaft 6 outer end is provided with driving gear 1, described pump shaft 6 the inner is provided with internal rotor 5 and external rotor 4, described internal rotor 5 and external rotor 4 are located in machine oil chamber 10, the below in the described pump housing 3 inner engine oil chamber 10 is provided with oil suction chamber 12 and goes out oil pocket 11, be provided with in the described pump housing 3 the fuel filter mounting hole 16 communicated with oil suction chamber 12 and with the Decompression valves mounting hole 15 going out oil pocket 11 and communicate, the excircle side of the described pump housing 3 offers oil outlet 14, described oil outlet 14 with go out oil pocket 11 and communicate.
During rotor-type oil pump work, first machine oil enter oil suction chamber 12 by fuel filter, thus enter the machine oil chamber 10 in the pump housing 3.When driving gear 1 rotates, internal rotor 5 also rotates simultaneously.Due to internal rotor 5 and the squeezing action of external rotor 4, machine oil produces pressure, enters out oil pocket 11, then enters into each movement parts surface by oil outlet 14.If engine oil pressure is excessive, the oil gone out in oil pocket 11 starts pressure release through Decompression valves, thus ensures the stable of diesel engines engine oil pressure.
From foregoing description, the beneficial effects of the utility model are: be provided with oil suction chamber 12 in the pump housing 3, go out oil pocket 11, fuel filter mounting hole 16 and Decompression valves mounting hole 15, can integrate oil-feed, oil return, generation pressure, pressure release, compact structure, installation takes up room little.
Further, described pump shaft 6 coordinates with internal rotor 5 and driving gear 1 hot jacket respectively.
Seen from the above description, pump shaft 6 adopts hot jacket fit system to be connected with internal rotor 5, pump shaft 6 with driving gear 1, safe and reliable, not easily skids, and does not need the very large pressure of applying just can be inserted in.
Further, be Flange joint between the described pump housing 3 and pump cover 2.
Seen from the above description, by Flange joint between the pump housing 3 and pump cover 2, convenient disassembly, and intensity is high, good seal performance.
Further, the described pump housing 3 is provided with gasket seal with pump cover 2 joint.
Seen from the above description, the pump housing 3 and pump cover 2 joint are provided with gasket seal and can prevent leakage of oil.
Please refer to Fig. 1 and Fig. 2, embodiment of the present utility model is: a kind of rotor-type oil pump, comprise driving gear 1, pump cover 2, the pump housing 3, external rotor 4, internal rotor 5, pump shaft 6, described pump cover 2 is fixedly mounted on the pump housing 3, forming machine oil pocket 10 between described pump cover 2 and the pump housing 3, described pump shaft 6 stretches in described machine oil chamber 10 through pump cover 2, described pump shaft 6 outer end is provided with driving gear 1, described pump shaft 6 the inner is provided with internal rotor 5 and external rotor 4, described internal rotor 5 and external rotor 4 are located in machine oil chamber 10, the below in the described pump housing 3 inner engine oil chamber 10 is provided with oil suction chamber 12 and goes out oil pocket 11, be provided with in the described pump housing 3 the fuel filter mounting hole 16 communicated with oil suction chamber 12 and with the Decompression valves mounting hole 15 going out oil pocket 11 and communicate, the excircle side of the described pump housing 3 offers oil outlet 14, described oil outlet 14 with go out oil pocket 11 and communicate.Described pump shaft 6 coordinates with internal rotor 5 and driving gear 1 hot jacket respectively.Be Flange joint between the described pump housing 3 and pump cover 2.The described pump housing 3 is provided with gasket seal with pump cover 2 joint.
In sum, the beneficial effect of a kind of rotor-type oil pump that the utility model provides has: be provided with oil suction chamber in the pump housing, go out oil pocket, fuel filter mounting hole and Decompression valves mounting hole, can integrate oil-feed, oil return, generation pressure, pressure release, compact structure, installation takes up room little; Pump shaft is connected with driving gear hot jacket with internal rotor, pump shaft, the pump housing and pump cover Flange joint, installs firm; Gasket seal can prevent leakage of oil.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalents utilizing the utility model specification and accompanying drawing content to do; or be directly or indirectly used in relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (4)
1. a rotor-type oil pump, it is characterized in that: comprise driving gear, pump cover, the pump housing, external rotor, internal rotor, pump shaft, described pump cover is fixedly mounted on the pump housing, forming machine oil pocket between described pump cover and the pump housing, described pump shaft stretches in described machine oil chamber through pump cover, described pump shaft outer end is provided with driving gear, described pump shaft the inner is provided with internal rotor and external rotor, described internal rotor and external rotor are located in machine oil chamber, the below in described pump housing inner engine oil chamber is provided with oil suction chamber and goes out oil pocket, be provided with in the described pump housing fuel filter mounting hole that communicates with oil suction chamber and with the Decompression valves mounting hole going out oil pocket and communicate, the excircle side of the described pump housing offers oil outlet, described oil outlet with go out oil pocket and communicate.
2. a kind of rotor-type oil pump according to claim 1, is characterized in that: described pump shaft coordinates with internal rotor and driving gear hot jacket respectively.
3. a kind of rotor-type oil pump according to claim 1, is characterized in that: be Flange joint between the described pump housing and pump cover.
4. a kind of rotor-type oil pump according to claim 1, is characterized in that: the described pump housing and pump cover joint are provided with gasket seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420660530.4U CN204201440U (en) | 2014-11-05 | 2014-11-05 | A kind of rotor-type oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420660530.4U CN204201440U (en) | 2014-11-05 | 2014-11-05 | A kind of rotor-type oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204201440U true CN204201440U (en) | 2015-03-11 |
Family
ID=52659401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420660530.4U Expired - Fee Related CN204201440U (en) | 2014-11-05 | 2014-11-05 | A kind of rotor-type oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204201440U (en) |
-
2014
- 2014-11-05 CN CN201420660530.4U patent/CN204201440U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20161105 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |