CN204922470U - Rotor cavity sets up oil pump on pump cover - Google Patents

Rotor cavity sets up oil pump on pump cover Download PDF

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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
Authority
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
Application number
CN201520425593.6U
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Chinese (zh)
Inventor
史祥龙
童建
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NANJING INNOVATION LUBRICATING OIL PUMP MANUFACTURING Co Ltd
Original Assignee
NANJING INNOVATION LUBRICATING OIL PUMP MANUFACTURING Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NANJING INNOVATION LUBRICATING OIL PUMP MANUFACTURING Co Ltd filed Critical NANJING INNOVATION LUBRICATING OIL PUMP MANUFACTURING Co Ltd
Priority to CN201520425593.6U priority Critical patent/CN204922470U/en
Application granted granted Critical
Publication of CN204922470U publication Critical patent/CN204922470U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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

Rotor chamber is arranged on the oil pump on pump cover
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.
CN201520425593.6U 2015-06-18 2015-06-18 Rotor cavity sets up oil pump on pump cover Expired - Fee Related CN204922470U (en)

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 (3)

* Cited by examiner, † Cited by third party
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
CN108105084A (en) * 2018-01-10 2018-06-01 浙江万安其弗汽车零部件有限公司 A kind of two-way Swing line oil pump
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

Cited By (3)

* Cited by examiner, † Cited by third party
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
CN108105084A (en) * 2018-01-10 2018-06-01 浙江万安其弗汽车零部件有限公司 A kind of two-way Swing line oil pump
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