CN207728555U - A kind of three-level lubricating oil pump - Google Patents
A kind of three-level lubricating oil pump Download PDFInfo
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- CN207728555U CN207728555U CN201820014817.8U CN201820014817U CN207728555U CN 207728555 U CN207728555 U CN 207728555U CN 201820014817 U CN201820014817 U CN 201820014817U CN 207728555 U CN207728555 U CN 207728555U
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Abstract
The utility model provides a kind of three-level lubricating oil pump, the lubricating oil pump is integrally made of a main pump and two auxiliary pumps, and two auxiliary pumps are for sucking out the oil in oil sump, fuel feeding to fuel tank, the main pump is for sucking out the oil in fuel tank, the main oil gallery of fuel feeding to engine；The pump chamber of the main pump and the pump chamber of auxiliary pump are not connected, and the pump chamber of two auxiliary pumps communicates；Lubricating oil pump integrally sets three oil inlets and two oil outlets altogether, and wherein main pump sets an oil inlet and an oil outlet, and two auxiliary pumps respectively set an oil inlet but share an oil outlet.The lubricating oil pump it is compact, safe and reliable, the installation space of oil pump can be reduced and reduce cost.
Description
Technical field
The utility model is related to a kind of structure of engine oil pump of internal combustion engine, especially a kind of three-level lubricating oil pump.
Background technology
There are the vehicle or mechanical equipment of some specific uses, such as racing car, tank, aircraft, seagoing vessel etc., often in violent
Movement, the state even rolled up and down, the oil fluctuations of such oil sump are very big, and oil pump is easy sucking gas mixture and even inhales
Sky, to have a significant impact to oil pump performance.In view of the above-mentioned problems, the engine of the prior art uses dry sump knot
Structure, oil sump only collect machine oil, and without storing lubricating oil pump, in addition engine is provided with a fuel tank, the oil that oil sump is collected returns
Oil return box, oil pump is again from fuel tank oil suction, and this addresses the problem the oil suction problems of oil pump.
Since the oil of dry sump needs to be extracted into fuel tank, corresponding oil pump carries out aspirating oily work need to set for this
Make.
Utility model content
The purpose of this utility model is to provide a kind of three-level lubricating oil pump for dry sump, compact-sized, safety
Reliably, the installation space of oil pump can be reduced and reduce cost.
The technical solution of the utility model is：A kind of three-level lubricating oil pump, the lubricating oil pump are whole by a main pump and two pairs
Pump is constituted, and two auxiliary pumps are for sucking out the oil in oil sump, fuel feeding to fuel tank, and the main pump is used to the oil in fuel tank inhale
Out, main oil gallery of the fuel feeding to engine；The pump chamber of the main pump and the pump chamber of auxiliary pump are not connected, the pump chamber phase of two auxiliary pumps
It is logical；Lubricating oil pump integrally sets three oil inlets and two oil outlets altogether, and wherein main pump sets an oil inlet and an oil outlet, two
Auxiliary pump respectively sets an oil inlet but shares an oil outlet.
Preferably, the oil inlet of two auxiliary pumps is connected with the both ends of oil sump bottom respectively.
In one embodiment, the lubricating oil pump integrally include pump cover, main pump body, the first auxiliary pump body, the second auxiliary pump body, and
Through the driving gear shaft and driven gear shaft of three pump housing cavitys；Driving gear there are three installations on the driving gear shaft,
There are three driven gear, three driving gears and three driven gears to form three groups and engage two-by-two for installation on the driven gear shaft
State and be located in the cavity of three pump housings；The driving gear shaft is by the gear on bent axle by the torque of engine
It is transmitted in lubricating oil pump.
Preferably, the main pump body is equipped with main pump oil inlet and main pump oil outlet, and it is secondary that the first auxiliary pump body is equipped with first
Pump oil inlet, the second auxiliary pump body is equipped with the second auxiliary pump oil inlet, and the first auxiliary pump body or the second auxiliary pump body set that there are one auxiliary pumps
Oil outlet.
Preferably, it is immovable fitting between three driving gears and the driving gear shaft；In main pump body cavity
Driven gear and the driven gear shaft between be immovable fitting, be located at the first, second auxiliary pump body cavity in two it is driven
It is clearance fit between gear and the driven gear shaft.
It is that interference is matched between the driving and driven gear and the driving and driven gear shaft that are preferably located in main pump body cavity
It closes, is key connection between two driving gears and the driving gear shaft in the first, second auxiliary pump body cavity.
Preferably, the pump cover, main pump body, the first auxiliary pump body and the second auxiliary pump body by four screws be installed as one it is whole
Body.
The utility model has the beneficial effects that：
1, the utility model uses three-level oil pump structure, main pump to be realized from fuel tank oil suction, two auxiliary pumps from oil sump oil suction
Oil sump non-oil ultra high vacuum system, main pump oil suction abundance is without air under adverse circumstances.
2, two auxiliary pumps ensure oil sump under arbitrary inclination, auxiliary pump can be inhaled respectively from the oil suction of oil sump both ends
To oil, make the oil of oil sump that can blot.
3, two auxiliary pumps are equipped with independent inlet port, but totally one oil outlet, not only cost-effective in this way, but also double pump
Pressure lubrication oil, good reliability can be mutually provided.
4, in preferred technical solution, the driven gears of two auxiliary pumps is rotated synchronously with driven gear shaft, and without key or
Interference connects, and oil pump is convenient for install and make in this way, cost-effective.
Description of the drawings
Fig. 1 is the overall structure exploded perspective view of lubricating oil pump in the utility model embodiment；
Fig. 2 is the overall structure diagram of lubricating oil pump in the utility model embodiment.
Reference numeral is：
1 --- the first auxiliary pump body of pump cover 2 --- main pump body 3 ---
4 --- the second auxiliary pump body 5 --- driving gear shaft 6 --- driven gear shafts
7 --- driving gear 8 --- driven gear 9 --- screws.
Specific implementation mode
For the ease of the understanding of those skilled in the art, the utility model is made with reference to embodiment and attached drawing further
Explanation, the content that embodiment refers to not is restriction to the utility model.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for
Described convenient for description the utility model and simplifying, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.In the description of the present invention, the meaning of " plurality " is two or two
More than, unless otherwise specifically defined.In the description of the present invention, it should be noted that unless otherwise prescribed and
It limiting, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be mechanical connection or electrical connection, it can also
It is the connection inside two elements, can be directly connected, it can also indirectly connected through an intermediary, for the general of this field
For logical technical staff, the concrete meaning of the term can be understood as the case may be.
As shown in Figure 1：A kind of three-level lubricating oil pump is made of a main pump and two auxiliary pumps, and two auxiliary pumps are used for oily bottom
Oil in shell sucks out, fuel feeding to fuel tank, and the main pump is for sucking out the oil in fuel tank, the main oil of fuel feeding to engine
Road；The pump chamber of the main pump and the pump chamber of auxiliary pump are not connected, and the pump chamber of two auxiliary pumps is interconnected.The lubricating oil pump includes integrally
Pump cover 1, main pump body 2, the first auxiliary pump body 3, the second auxiliary pump body 4, and through the driving gear shaft 5 of three pump housing cavitys and driven
Gear shaft 6；Installation is there are three driving gear 7 on the driving gear shaft 5, and there are three driven for installation on the driven gear shaft 6
Gear 8, three driving gears 7 and three driven gears 8 form three groups of states engaged two-by-two and are located at three pump housings
In cavity；The driving gear shaft 5 will be in the torque transfer to lubricating oil pump of engine by the gear on bent axle.
As shown in Fig. 2, the main pump body 2 is equipped with main pump oil inlet 21 and main pump oil outlet 22, the first auxiliary pump body 3 is set
There are the first auxiliary pump oil inlet 3, the second auxiliary pump body 4 to be equipped with the second auxiliary pump oil inlet 41, the first auxiliary pump body 3 and the second auxiliary pump body
4 share an auxiliary pump oil outlets 42, the first auxiliary pump oil inlet 3 and the second auxiliary pump oil inlet 41 both ends with oil sump bottom respectively
It is connected, this ensures that oil sump, under arbitrary inclination, auxiliary pump can be drawn onto oil, makes the oil of oil sump that can blot.
Auxiliary pump oil outlet 42 is arranged on the second auxiliary pump body 4 the present embodiment, and those skilled in the art can also incite somebody to action according to actual needs
Auxiliary pump oil outlet 42 is arranged on the first auxiliary pump body 3.Since two auxiliary pumps are equipped with independent inlet port, but totally one it is fuel-displaced
Mouthful, it is not only cost-effective in this way, and double pump can mutually provide pressure lubrication oil, good reliability.
Preferably, it is immovable fitting between three driving gears 7 and the driving gear shaft 5；Positioned at 2 cavity of main pump body
It is immovable fitting between interior driven gear 8 and the driven gear shaft 6, is located at 4 cavity of the first auxiliary pump body 3 and the second auxiliary pump body
It is clearance fit between two interior driven gears 8 and the driven gear shaft 6.Due to two auxiliary pumps driven gear with it is driven
Gear shaft rotates synchronously, and is connected without key or interference, and oil pump is convenient for install and make in this way, cost-effective.
Be preferably located at the driving and driven gear 7,8 in 2 cavity of main pump body and between the driving and driven gear shaft 5,6
For interference fit, be located at the first, second auxiliary pump body 3, two driving gears 7 in 4 cavitys and between the driving gear shaft 5
For key connection.
Preferably, the pump cover 1, main pump body 2, the first auxiliary pump body 3 and the second auxiliary pump body 4 are installed as by four screws 9
One entirety.
Above-described embodiment is the preferable implementation of the utility model, and in addition to this, the utility model can be with other sides
Formula realizes that any obvious replacement is in the protection model of the utility model under the premise of not departing from the technical program design
Within enclosing.
In order to allow those of ordinary skill in the art more easily understand the improvement of the utility model compared with the existing technology it
Place, some attached drawings of the utility model and description have been simplified, and for the sake of clarity, present specification is omitted one
A little other elements, those of ordinary skill in the art should be aware that the element that these are omitted also may make up the interior of the utility model
Hold.
Claims (7)
1. a kind of three-level lubricating oil pump, it is characterised in that：The lubricating oil pump is integrally made of a main pump and two auxiliary pumps, two auxiliary pumps
For the oil in oil sump to be sucked out, fuel feeding to fuel tank, the main pump is for sucking out the oil in fuel tank, and fuel feeding is to starting
The main oil gallery of machine；The pump chamber of the main pump and the pump chamber of auxiliary pump are not connected, and the pump chamber of two auxiliary pumps communicates；Lubricating oil pump is integrally total
If three oil inlets and two oil outlets, wherein main pump set an oil inlet and an oil outlet, two auxiliary pumps respectively set one into
Hydraulic fluid port but a shared oil outlet.
2. three-level lubricating oil pump according to claim 1, it is characterised in that：The oil inlet of two auxiliary pumps respectively with oil sump bottom
The both ends in portion connect.
3. three-level lubricating oil pump according to claim 1 or 2, it is characterised in that：Including pump cover（1）, main pump body（2）, first
Auxiliary pump body（3）, the second auxiliary pump body（4）, and through the driving gear shaft of three pump housing cavitys（5）And driven gear shaft（6）；Institute
State driving gear shaft（5）There are three driving gears for upper installation（7）, there are three driven gears for installation on the driven gear shaft（8）,
Three driving gears（7）With three driven gears（8）It forms the state that three groups are engaged two-by-two and is located at the sky of three pump housings
Intracavitary；The driving gear shaft（5）It will be in the torque transfer to lubricating oil pump of engine by the gear on bent axle.
4. three-level lubricating oil pump according to claim 3, it is characterised in that：The main pump body（2）Equipped with main pump oil inlet
（21）With main pump oil outlet（22）, the first auxiliary pump body（3）Equipped with the first auxiliary pump oil inlet（31）, the second auxiliary pump body（4）If
There is the second auxiliary pump oil inlet（41）, the first auxiliary pump body（3）Or the second auxiliary pump body（4）If there are one auxiliary pump oil outlets（42）.
5. three-level lubricating oil pump according to claim 3, it is characterised in that：Three driving gears（7）With the driving gear
Axis（5）Between be immovable fitting；Positioned at main pump body（2）Driven gear in cavity（8）With the driven gear shaft（6）Between
For immovable fitting, it is located at the first, second auxiliary pump body（3,4）Two driven gears in cavity（8）With the driven gear shaft（6）
Between be clearance fit.
6. three-level lubricating oil pump according to claim 5, it is characterised in that：Positioned at main pump body（2）Master and slave moving teeth in cavity
Wheel（7,8）With the driving and driven gear shaft（5,6）Between be interference fit, be located at the first, second auxiliary pump body（3,4）Cavity
Two interior driving gears（7）With the driving gear shaft（5）Between be key connection.
7. three-level lubricating oil pump according to claim 3, it is characterised in that：The pump cover（1）, main pump body（2）, the first auxiliary pump
Body（3）With the second auxiliary pump body（4）Pass through four screws（9）It is installed as an entirety.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820014817.8U CN207728555U (en) | 2018-01-05 | 2018-01-05 | A kind of three-level lubricating oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820014817.8U CN207728555U (en) | 2018-01-05 | 2018-01-05 | A kind of three-level lubricating oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207728555U true CN207728555U (en) | 2018-08-14 |
Family
ID=63085004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820014817.8U Active CN207728555U (en) | 2018-01-05 | 2018-01-05 | A kind of three-level lubricating oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207728555U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107975474A (en) * | 2018-01-05 | 2018-05-01 | 湖南机油泵股份有限公司 | A kind of three-level lubricating oil pump |
-
2018
- 2018-01-05 CN CN201820014817.8U patent/CN207728555U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107975474A (en) * | 2018-01-05 | 2018-05-01 | 湖南机油泵股份有限公司 | A kind of three-level lubricating oil pump |
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