CN204922470U - Rotor cavity sets up oil pump on pump cover - Google Patents
Rotor cavity sets up oil pump on pump cover Download PDFInfo
- Publication number
- CN204922470U CN204922470U CN201520425593.6U CN201520425593U CN204922470U CN 204922470 U CN204922470 U CN 204922470U CN 201520425593 U CN201520425593 U CN 201520425593U CN 204922470 U CN204922470 U CN 204922470U
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- CN
- China
- Prior art keywords
- pump
- rotor
- oil
- pump cover
- chamber
- 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
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000037250 Clearance Effects 0.000 abstract 1
- 230000035512 clearance Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 abstract 1
- 230000001936 parietal Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 32
- 210000000614 Ribs Anatomy 0.000 description 4
- 239000010721 machine oil Substances 0.000 description 3
- 230000001050 lubricating Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000001131 transforming Effects 0.000 description 1
Abstract
The utility model discloses a rotor cavity sets up oil pump on pump cover, the problem of the technique is solved: to the traditional oil pump among the prior art, because the oil pump all adopts the pump body, pump cover to combine the installation, easily cause parts oil leak problem, moreover clearance unmanageable problem. The technical scheme who adopts: a rotor cavity sets up oil pump on pump cover, includes pump cover, inner rotor, external rotor and pump shaft, be provided with rotor cavity on the interior terminal surface of pump cover, rotor cavity's the degree of depth equals the thickness of rotor, be provided with oil -feed tank and oil outlet groove on rotor cavity's the bottom surface, rotor cavity's parietal surface is the locating surface, and locating surface diesel engine gear room on the diesel engine organism when installing and use is directly inlayed and is connected, after cooperateing, inner rotor and external rotor pack into in the rotor cavity, the pump shaft inserts the inner rotor, in the one end of pump shaft is inserted and is supported the blind hole on the pump cover, the overhead connector that is provided with of the other end.
Description
Technical field
The utility model relates to a kind of oil pump, particularly relates to the rotor chamber that a kind of integral type embeds design and is arranged on oil pump on pump cover.
Background technique
Because market is comparatively large to the demand of light truck, and on light truck, application is also more and more higher with the requirement of the oil pump on diesel engine; The oil pump that diesel engines at present is applied, installs, easily cause parts Leakage, and gap is difficult to control because oil pump adopts pump housing pump cover to combine.
Model utility content
Technical problem to be solved in the utility model is: for conventional machine oil pump of the prior art, installs, easily cause parts Leakage because oil pump all adopts the pump housing, pump cover to combine, and the unmanageable problem in gap.
Design philosophy of the present utility model is, omits the pump case of oil pump, rotor chamber is set directly on pump cover, and in the diesel engine gear chamber adopting integral type embedded mode to be inserted into by pump cover on diesel-engine body.
The purpose of this utility model is, provides one to meet Novel diesel engine lightweight, and it is lightweight that miniaturized structure requires, the oil pump of compact structure and quick mounting.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
Rotor chamber is arranged on the oil pump on pump cover, comprises pump cover, internal rotor, external rotor and pump shaft;
The interior edge face of pump cover is provided with rotor chamber, and the degree of depth of rotor chamber equals the thickness of rotor; The bottom surface of rotor chamber be provided with oil-feed tank and go out oil groove, the degree of depth of oil-feed tank is 1-1.5mm, and the degree of depth going out oil groove is 1-1.5mm; Oil-feed tank communicates with the oil inlet hole on diesel-engine body when installing and using, and goes out oil groove and communicates with the oil inlet hole on diesel-engine body when installing and using equally; Pump cover is provided with one for installing the support blind hole of location pump shaft; The outer surface of the chamber wall of rotor chamber is locating face, and locating face is directly inlayed with the diesel engine gear chamber on diesel-engine body when installing and using and is connected;
Load after internal rotor and external rotor match in rotor chamber;
Pump shaft inserts internal rotor, and is interference fit with the internal rotor section of matching; One end of pump shaft is inserted and pump cover is supported in blind hole, and another termination is provided with connector assembly; Connector assembly fastens into an entirety with the diesel engine gear chamber main shaft on diesel-engine body when installing and using.
For the improvement of technique scheme, pump cover is that aluminum alloy material is made.The utility model adopt aluminum alloy material make pump cover its mainly for alleviating overall weight.
For the further improvement of technique scheme, the upper outside projection in exterior edge face of pump cover is equipped with the stiffening rib for improving pump cover intensity.
Diesel engine in the utility model is the diesel engine be applied in prior art on light truck, and concrete structure and working procedure the utility model are not described in detail.Diesel-engine body in the utility model, diesel engine gear chamber and diesel engine gear chamber main shaft are the component in diesel engine.
Compared with prior art, its beneficial effect is the utility model:
1, the utility model oil pump eliminates pump case and simplifies fuel pump structure, saves between engine air.
2, this oil pump eliminates the pump housing, strengthens pump cover, takes pump cover directly to inlay with diesel-engine body and is connected, internal rotor, external rotor are placed in the rotor chamber on pump cover, directly locate with the locating face on the wall of rotor chamber chamber, precision improves greatly, has eradicated the problem of conventional machine oil pump leakage of oil simultaneously, considerably increase the lubricating reliability of diesel engine, pump cover adopts Novel aluminum alloy material, and quality is light, and intensity is high, anticorrosive, extend working life.
3, adopt aluminum alloy material to make pump cover simultaneously, effectively alleviate the weight of oil pump entirety, improve this oil pump intensity and working life.
Accompanying drawing explanation
Fig. 1 is the sectional view (diesel engine not shown in FIG.) of the present embodiment.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the structural representation of pump cover.
In figure: 1, pump cover, 2, internal rotor, 3, external rotor, 4, rotor chamber, 5, oil-feed tank, 6, go out oil groove, 7, pump shaft, 8, support blind hole, 9, connector assembly, 10, locating face, 11, stiffening rib.
Embodiment
Below technical solutions of the utility model are described in detail, but protection domain of the present utility model is not limited to described embodiment.
For making content of the present utility model more become apparent, be further described below in conjunction with accompanying drawing 1-Fig. 3 and embodiment.
In order to make the purpose of this utility model, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment:
The present embodiment, for the oil pump of DK32 model, further describes.
As Fig. 1, it is the sectional view of the oil pump in the present embodiment; This oil pump comprises pump cover 1, internal rotor 2, external rotor 3 and pump shaft 7.
Position relationship between the present embodiment oil pump and diesel engine is as follows: the interior edge face of pump cover 1 is provided with rotor chamber 4, and the degree of depth of rotor chamber 4 equals the thickness of rotor; The bottom surface of rotor chamber 4 be provided with oil-feed tank 5 and go out oil groove 6, the degree of depth of oil-feed tank 5 is preferably 1mm, and the degree of depth going out oil groove 6 is preferably 1mm; Oil-feed tank 5 communicates with the oil inlet hole on diesel-engine body when installing and using, and goes out oil groove 6 and communicates with the oil inlet hole on diesel-engine body when installing and using equally; Pump cover 1 is provided with one for installing the support blind hole 8 of location pump shaft 7; The outer surface of the chamber wall of rotor chamber 4 is locating face 10, and locating face 10 is directly inlayed with the diesel engine gear chamber on diesel-engine body when installing and using and is connected.The present embodiment oil pump eliminates the pump housing, strengthens pump cover, with the locating face 10 on the wall of rotor chamber 4 chamber directly and diesel-engine body locate, precision improves greatly, has eradicated the problem of conventional machine oil pump leakage of oil simultaneously, considerably increases the lubricating reliability of diesel engine.Load after internal rotor 2 and external rotor 3 match in rotor chamber 4; Pump shaft 7 inserts internal rotor 2, and is interference fit with internal rotor 2 section of matching; One end of pump shaft 7 is inserted and pump cover 1 is supported in blind hole 8, another termination is provided with connector assembly 9; Connector assembly 9 fastens into an entirety with the diesel engine gear chamber main shaft on diesel-engine body when installing and using.As shown in Figure 3.
Pump cover 1 in the present embodiment adopts aluminum alloy material of the prior art to make; Effectively alleviate overall weight; The upper outside projection in exterior edge face of pump cover 1 is simultaneously equipped with the multiple stiffening ribs 11 for improving pump cover intensity, and stiffening rib 11 is evenly arranged and is conducive to uniform force.As shown in Figure 2.
In addition to the implementation, the utility model can also have other mode of executions.All employings are equal to the technological scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
As mentioned above, although represented with reference to specific preferred embodiment and described the utility model, it shall not be construed as the restriction to the utility model self.Under the spirit and scope prerequisite of the present utility model not departing from claims definition, various change can be made in the form and details to it.
Claims (3)
1. rotor chamber is arranged on the oil pump on pump cover, it is characterized in that, comprises pump cover (1), internal rotor (2), external rotor (3) and pump shaft (7);
The interior edge face of pump cover (1) is provided with rotor chamber (4), the degree of depth of rotor chamber (4) equals the thickness of rotor; The bottom surface of rotor chamber (4) be provided with oil-feed tank (5) and go out oil groove (6), the degree of depth of oil-feed tank (5) is 1-1.5mm, and the degree of depth going out oil groove (6) is 1-1.5mm; Oil-feed tank (5) communicates with the oil inlet hole on diesel-engine body when installing and using, and goes out oil groove (6) and communicates with the oil inlet hole on diesel-engine body when installing and using equally; Pump cover (1) is provided with one for installing the support blind hole (8) of location pump shaft (7); The outer surface of the chamber wall of rotor chamber (4) is locating face (10), and locating face (10) is directly inlayed with the diesel engine gear chamber on diesel-engine body when installing and using and is connected;
Load after internal rotor (2) and external rotor (3) match in rotor chamber (4);
Pump shaft (7) inserts internal rotor (2), and is interference fit with internal rotor (2) section of matching; One end of pump shaft (7) is inserted on pump cover (1) and is supported in blind hole (8), another termination is provided with connector assembly (9); Connector assembly (9) fastens into an entirety with the diesel engine gear chamber main shaft on diesel-engine body when installing and using.
2. rotor chamber as claimed in claim 1 is arranged on the oil pump on pump cover, it is characterized in that, pump cover (1) is made for aluminum alloy material.
3. rotor chamber as claimed in claim 1 or 2 is arranged on the oil pump on pump cover, and it is characterized in that, the upper outside projection in exterior edge face of pump cover (1) is equipped with the stiffening rib (11) for improving pump cover intensity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520425593.6U CN204922470U (en) | 2015-06-18 | 2015-06-18 | Rotor cavity sets up oil pump on pump cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520425593.6U CN204922470U (en) | 2015-06-18 | 2015-06-18 | Rotor cavity sets up oil pump on pump cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204922470U true CN204922470U (en) | 2015-12-30 |
Family
ID=54971596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520425593.6U Expired - Fee Related CN204922470U (en) | 2015-06-18 | 2015-06-18 | Rotor cavity sets up oil pump on pump cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204922470U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105804991A (en) * | 2016-05-19 | 2016-07-27 | 江苏凌特精密机械销售有限公司 | Acid-resistant and pressure-resistant water pump cylinder cover |
| CN109458913A (en) * | 2018-11-02 | 2019-03-12 | 盛瑞传动股份有限公司 | Depth of cavity measurement method and oil pump cover and oil Pump rotor distance measurement method |
-
2015
- 2015-06-18 CN CN201520425593.6U patent/CN204922470U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105804991A (en) * | 2016-05-19 | 2016-07-27 | 江苏凌特精密机械销售有限公司 | Acid-resistant and pressure-resistant water pump cylinder cover |
| CN109458913A (en) * | 2018-11-02 | 2019-03-12 | 盛瑞传动股份有限公司 | Depth of cavity measurement method and oil pump cover and oil Pump rotor distance measurement method |
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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: 20151230 Termination date: 20160618 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |