CN207421744U - A kind of water-cooled diesel engine lubricating oil pump - Google Patents
A kind of water-cooled diesel engine lubricating oil pump Download PDFInfo
- Publication number
- CN207421744U CN207421744U CN201721539630.1U CN201721539630U CN207421744U CN 207421744 U CN207421744 U CN 207421744U CN 201721539630 U CN201721539630 U CN 201721539630U CN 207421744 U CN207421744 U CN 207421744U
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- China
- Prior art keywords
- oil pump
- rotor
- housing
- outer rotor
- diesel engine
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Abstract
The utility model discloses a kind of water-cooled diesel engine lubricating oil pump, including the pump housing and pump cover, the middle position of the pump housing is provided with oil pump gear, one end of the oil pump gear is equipped with housing, the other end is equipped with locating pin spring, one end of the housing is equipped with nut, and the middle position of enclosure interior is equipped with central shaft；The utility model is scientific and reasonable for structure, it is safe and convenient to use, compared with conventional diesel engine, lubricating oil pump is directly integrated on breast wheel, reduce by a gear, entire design structure is simpler, save space, it arranges compacter, reduce cost, complete machine mechanical efficiency gets a promotion, the existing general internal rotor of rotor-type oil pump is on jackshaft, outer rotor is driven to rotate in same direction, outer rotor in the utility model is fixed on by positioning pin on intermediate gear, internal rotor is driven to rotate, it does not only depart from but also does not interfere both during ensureing rotor engagement, so as to achieve the effect that pump oil.
Description
Technical field
The utility model belongs to diesel engine lubricating oil pump technical field, and in particular to a kind of water-cooled diesel engine lubricating oil pump.
Background technology
Lubricating oil pump is the key components and parts of lubricating system of diesel oil engine, and effect is to promote machine oil to after certain pressure, by force
System is sent to the moving surface of each part of diesel engine, is lubricated.It can be divided into gear type and rotor by frame mode lubricating oil pump
Formula.Rotor-type oil pump is compact-sized, and oil suction vacuum degree is high, and pump oil amount is big and fuel feeding is uniform, thus in medium and small power diesel engine
On be widely used.
The holistic cost of existing diesel engine oil pump design is higher, complicated, and the space that when use is occupied is larger, and
Diesel engine oil pump service efficiency can further improve, therefore it is proposed that a kind of water-cooled diesel engine lubricating oil pump.
Utility model content
The purpose of this utility model is to provide a kind of water-cooled diesel engine lubricating oil pump, to solve to propose in above-mentioned background technology
The design of existing diesel engine oil pump holistic cost it is higher, complicated, the space that when use is occupied is larger, and diesel engine
Lubricating oil pump service efficiency can further improve problem.
To achieve the above object, the utility model provides following technical solution：A kind of water-cooled diesel engine lubricating oil pump, including pump
Body and pump cover, the middle position of the pump housing are provided with oil pump gear, and one end of the oil pump gear is equipped with housing,
The other end is equipped with locating pin spring, and one end of the housing is equipped with nut, and the middle position of enclosure interior is equipped with
Central shaft, the upper and lower ends of the outer rotor are provided with positioning pin, and outer rotor nested inside is equipped with internal rotor, the pump cover
Adjust pad, one end installation of the adjust pad are installed mounted on the nested inside of the end surface of outer rotor, and pump cover
There is spring, the appearance wall package of the spring is provided with spring base, and one end of the spring base is equipped with split washer, described outer
Appearance wall one end of rotor is provided with oil outlet, and the other end is provided with fuel feed hole.
Preferably, it is fixedly connected between the central shaft and housing by nut.
Preferably, the internal rotor is four toothings, is rotatablely connected between the internal rotor and central shaft.
Preferably, the outer rotor is five toothings, is fixed between the outer rotor and oil pump gear by positioning pin
Connection.
Preferably, the oil pump gear is 62 toothings, and the internal rotor is identical with the thickness of outer rotor,
The working flank profile of the internal rotor and outer rotor is a pair of of conjugate curves structure, and the fuel feed hole erects oil with engine body
Road communicates, and the oil outlet is communicated with the horizontal oil duct of body.
Compared with prior art, the beneficial effects of the utility model are：The utility model is scientific and reasonable for structure, safe to use
Convenient, compared with conventional diesel engine, lubricating oil pump is directly integrated on breast wheel, reduces by a gear, entire design structure is more
Simply, space is saved, arrangement is compacter, reduces cost, complete machine mechanical efficiency gets a promotion, existing rotor-type oil pump
General internal rotor drives outer rotor to rotate in same direction, the outer rotor in the use of the new type is fixed by positioning pin on jackshaft
On intermediate gear, internal rotor is driven to rotate, not only do not depart from but also do not interfere both during ensureing rotor engagement, so as to reach
The effect of pump oil.
Description of the drawings
Fig. 1 is the lubricating oil pump exploded view of the utility model；
Fig. 2 is the structure diagram of central shaft in the utility model；
Fig. 3 is the side view of the lubricating oil pump of the utility model；
Fig. 4 is the lubricating oil pump overall schematic of the utility model；
In figure：Turn outside 1- adjust pads, 2- pump covers, 3- oil pump gears, 4- nuts, 5- housings, 6- locating pin springs, 7-
Son, 8- positioning pins, 9- internal rotors, 10- springs, 11- split washers, 12- spring bases, 13- central shafts, 14- oil outlets, 15- into
Oilhole, the 16- pump housings.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
- 4 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of water-cooled diesel engine lubricating oil pump, including the pump housing
16 and pump cover 2, the middle position of the pump housing 16 be provided with oil pump gear 3, one end of oil pump gear 3 is equipped with housing 5, separately
One end is equipped with locating pin spring 6, during one end of housing 5 is equipped with nut 4, and the middle position inside housing 5 is equipped with
Mandrel 13, the upper and lower ends of outer rotor 7 are provided with positioning pin 8, and 7 nested inside of outer rotor is equipped with internal rotor 9, and pump cover 2 is pacified
Adjust pad 1 is installed mounted in the nested inside of the end surface of outer rotor 7, and pump cover 2, one end of adjust pad 1 is equipped with
Spring 10, the appearance wall package of spring 10 are provided with spring base 12, and one end of spring base 12 is equipped with split washer 11, outer rotor
7 appearance wall one end is provided with oil outlet 14, and the other end is provided with fuel feed hole 15.
In order to enable central shaft 13 be fixed on it is motionless on housing 15, in the present embodiment, it is preferred that central shaft 13 and housing 5
Between be fixedly connected by nut 4.
In order to enable outer rotor 7 can drive internal rotor 9 to move, in the present embodiment, it is preferred that internal rotor 9 is four tooth knots
Structure is rotatablely connected between internal rotor 9 and central shaft 13.
In order to enable outer rotor be fixed on it is motionless on oil pump gear 3, in the present embodiment, it is preferred that outer rotor 7 be five teeth
Structure is fixedly connected between outer rotor 7 and oil pump gear 3 by positioning pin 8.
In order to enable lubricating oil pump there can be a higher rotating speed, and when lubricating oil pump operates, oil duct, fuel sucking pipe are erected through body
The machine oil in oil sump is sucked, while pressurization machine oil is pumped into engine main oil gallery, in the present embodiment, it is preferred that machine oil pump tooth
Wheel 3 is 62 toothings, and internal rotor 9 is identical with the thickness of outer rotor 7, the working flank wheel of internal rotor 9 and outer rotor 7
Exterior feature is a pair of of conjugate curves structure, and fuel feed hole 15 erects oil duct with engine body and communicates, and oil outlet 14 is communicated with the horizontal oil duct of body.
Oil pump gear 3 in the utility model is angular gear, is engaged, plays with crankshaft toothed wheel, cam shaft gear
Traditional breast wheel effect.The number of teeth of oil pump gear 3 is 62 teeth simultaneously, is approximately twice 33 teeth of crankshaft toothed wheel,
One higher rotating speed of lubricating oil pump can be supplied to.
The housing 5 of lubricating oil pump in the utility model is mounted on engine body, fuel feed hole 15 and engine body
Perpendicular oil duct communicates, and when lubricating oil pump operates, the machine oil in oil duct, fuel sucking pipe sucking oil sump is erected through body, oil pump casing
Oil return hole is communicated with the horizontal oil duct of body, and pressurization machine oil is pumped into engine main oil gallery.
13 one end of jackshaft in the utility model is machined with circlip groove, can be pressed into split washer, and the other end processes screw thread,
Nut 4 is screwed into so as to which each component of lubricating oil pump is fixed on jackshaft 13.
Outer rotor 7 in the utility model is designed as five teeth, is fixed on by three positioning pins 8 on oil pump gear 3,
Spring 10 is inserted in outside prevents 8 play of positioning pin from deviating from, and inner and outer rotors thickness is identical, and internal rotor 9 is designed as four teeth.
Engine oil pump cover 2 in the utility model is pressed in inner and outer rotors surface by spring 10, by adjusting the thickness of gasket 1
It adjusts the pressing force of spring, ensures that lubricating oil pump both will not be excessive due to pressing force, inner and outer rotors movement is generated with the friction of pump cover 2
Heat it is excessive so that machine oil pump seizure, and will not be too small due to pressing force, engine oil leakage quantity is big, influences machine oil pump efficiency
Rate.
The operation principle and process for using of the utility model：When the water-cooled diesel engine lubricating oil pump is installed, central shaft 13 is filled
It in the eccentric orfice for entering housing 5, is tightened with nut 4, then whole to be fitted into engine body oil pump hole, the fuel feed hole 15 of lubricating oil pump
Oil duct is erected with body to communicate, oil outlet 14 is communicated with body main oil gallery, and housing 5 is interference fit with machine oil pumping holes, fixed with three
Outer rotor 7 is fixed in oil pump gear 3 by position pin 8, and outside puts on locating pin spring 6, then whole on housing 5, it
Internal rotor 9, pump cover 2, adjust pad 1, spring 10, spring base 12 and split washer 11 are once packed into afterwards, and machine oil is measured with clearance gauge
Axial gap is pumped, controls between 0.1-0.15MM, is such as unsatisfactory for, the adjust pad 1 of replaceable different-thickness, directly reaching will
It asks, when engine operates, crankshaft toothed wheel driving oil pump gear 3 operates, and outer rotor 7 is operated with 3 one of oil pump gear, so as to
Internal rotor 9 is driven to rotate, the oil pocket between internal rotor 7 and outer rotor 9 constantly changes, so as to which the machine oil in oil sump be sucted simultaneously
It is pressed into main oil gallery.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that in the case where not departing from the principle of the utility model and spirit can these embodiments be carried out with a variety of variations, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of water-cooled diesel engine lubricating oil pump, including the pump housing（16）And pump cover（2）, it is characterised in that：The pump housing（16）In
Between be provided with oil pump gear at position（3）, the oil pump gear（3）One end housing is installed（5）, the other end is equipped with
Locating pin spring（6）, the housing（5）One end nut is installed（4）, and housing（5）Internal middle position is equipped with
Central shaft（13）, the outer rotor（7）Upper and lower ends be provided with positioning pin（8）, and outer rotor（7）In nested inside is equipped with
Rotor（9）, the pump cover（2）Mounted on outer rotor（7）End surface, and pump cover（2）Nested inside adjusting pad is installed
Piece（1）, the adjust pad（1）One end spring is installed（10）, the spring（10）Appearance wall package be provided with spring
Seat（12）, the spring base（12）One end split washer is installed（11）, the outer rotor（7）Appearance wall one end be provided with
Oil outlet（14）, the other end is provided with fuel feed hole（15）.
2. a kind of water-cooled diesel engine lubricating oil pump according to claim 1, it is characterised in that：The central shaft（13）With housing
（5）Between pass through nut（4）It is fixedly connected.
3. a kind of water-cooled diesel engine lubricating oil pump according to claim 1, it is characterised in that：The internal rotor（9）For four teeth
Structure, the internal rotor（9）With central shaft（13）Between be rotatablely connected.
4. a kind of water-cooled diesel engine lubricating oil pump according to claim 1, it is characterised in that：The outer rotor（7）For five teeth
Structure, the outer rotor（7）With oil pump gear（3）Between pass through positioning pin（8）It is fixedly connected.
5. a kind of water-cooled diesel engine lubricating oil pump according to claim 1, it is characterised in that：The oil pump gear（3）For
62 toothings, the internal rotor（9）With outer rotor（7）Thickness it is identical, the internal rotor（9）With outer rotor（7）
Working flank profile be a pair of of conjugate curves structure, the fuel feed hole（15）With engine body oil duct is erected to communicate, it is described go out
Oilhole（14）It is communicated with the horizontal oil duct of body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721539630.1U CN207421744U (en) | 2017-11-17 | 2017-11-17 | A kind of water-cooled diesel engine lubricating oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721539630.1U CN207421744U (en) | 2017-11-17 | 2017-11-17 | A kind of water-cooled diesel engine lubricating oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207421744U true CN207421744U (en) | 2018-05-29 |
Family
ID=62306530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721539630.1U Active CN207421744U (en) | 2017-11-17 | 2017-11-17 | A kind of water-cooled diesel engine lubricating oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207421744U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555962A (en) * | 2019-01-17 | 2019-04-02 | 湖南机油泵股份有限公司 | A kind of rotor-type oil pump of remodeling |
| CN112112952A (en) * | 2020-09-15 | 2020-12-22 | 东风格特拉克汽车变速箱有限公司 | Novel mechanical oil pump driven by main reduction gear |
-
2017
- 2017-11-17 CN CN201721539630.1U patent/CN207421744U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555962A (en) * | 2019-01-17 | 2019-04-02 | 湖南机油泵股份有限公司 | A kind of rotor-type oil pump of remodeling |
| CN112112952A (en) * | 2020-09-15 | 2020-12-22 | 东风格特拉克汽车变速箱有限公司 | Novel mechanical oil pump driven by main reduction gear |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 301700 Building 1, No. 36, Jingbin Avenue, Jingbin Industrial Park, Wuqing District, Tianjin Patentee after: Beinei diesel engine (Tianjin) Co.,Ltd. Address before: No. 1, liuhezhuang, dahongmen, Fengtai District, Beijing 100076 Patentee before: BEIJING BEINEI DIESEL ENGINE Co.,Ltd. |