CN205026353U - Oil pump - Google Patents
Oil pump Download PDFInfo
- Publication number
- CN205026353U CN205026353U CN201520687488.XU CN201520687488U CN205026353U CN 205026353 U CN205026353 U CN 205026353U CN 201520687488 U CN201520687488 U CN 201520687488U CN 205026353 U CN205026353 U CN 205026353U
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- CN
- China
- Prior art keywords
- oil pump
- oil
- pump body
- driving gear
- gear shaft
- 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.)
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Abstract
The utility model discloses an oil pump, including the oil pump body and oil pump lid, the oil pump body and oil pump cover to rotate and install driving tooth shaft and driven gear axle, the epaxial driving gear that is equipped with of driving gear, the epaxial driven gear that is equipped with of driven gear, driving gear and driven gear will the cavity divide into low pressure chamber and high pressure chest, be equipped with the intercommunication on the oil pump body the oil inlet and the intercommunication in low pressure chamber the oil -out of high pressure chest, the driving gear shaft extension drive gear is installed to the one end of the oil pump body, drive gear with driving gear parallel arrangement, the top of the oil pump body is equipped with the bolt hole of being connected with the cylinder block below of engine, the opening direction of oil inlet with the axial of driving tooth shaft is the same, oil -out opening direction upwards still is equipped with relief valve and main oil gallery voltage limiting valve on the oil pump body, overall structure is compact, has energy -conserving efficiency moreover.
Description
Technical field
The utility model relates to technical field of engines, the oil pump especially motor used.
Background technique
Current oil pump existence takes up room large, the defect that structure is compact not.And existing oil pump only meets the basic function providing extreme pressure lubricant, oil pressure is difficult to control, is difficult to have energy-saving effect concurrently.
Summary of the invention
Technical problem to be solved in the utility model is: provide a kind of oil pump, and its compact structure takes up room little, and can according to the oil pressure cntrol oil inlet quantity of body.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of oil pump, comprise oil pump body and oil pump cover, described oil pump body and oil pump cover are rotatablely equipped with driving gear shaft and driven gear shaft, described driving gear shaft is provided with driving gear, described driven gear shaft is provided with driven gear, described driving gear and driven gear engage each other, and be positioned at the cavity of described oil pump body and oil pump cover sealing formation, described cavity is divided into low-pressure cavity and hyperbaric chamber by described driving gear and driven gear, described oil pump body is provided with the filler opening being communicated with described low-pressure cavity and the oil outlet being communicated with described hyperbaric chamber, one end that described driving gear shaft stretches out described oil pump body is provided with actuation gear, described actuation gear and described driving gear be arranged in parallel, the top of described oil pump body is provided with the bolt hole be connected below the cylinder block with motor, the opening direction of described filler opening is identical with the axis of described driving gear shaft, described oil outlet opening direction upwards.
Owing to have employed technique scheme, the compact structure of oil pump, and the below being arranged on cylinder block, in oil sump, can not take the axial space of motor.
As a kind of preferred version, described oil pump body is provided with safety valve, and described safety valve is communicated with described hyperbaric chamber.By arranging safety valve, when when low temperature or other engine oil viscosities large, if engine oil pressure exceedes setting value, safety valve is opened, and unnecessary machine oil releases from safety valve drain tap, keeps motor inner engine oil pressure normal.
As a kind of preferred version, described oil pump body is provided with main oil gallery pressure feedback oil duct and main oil gallery pressure-limit valve, described main oil gallery pressure-limit valve connects described main oil gallery pressure feedback oil duct and hyperbaric chamber, the valve body of described main oil gallery pressure-limit valve is provided with drain tap, if body main oil gallery pressure exceedes the situation of setting value, high-pressure oil to body promotes main oil gallery pressure-limit valve and opens, be communicated with hyperbaric chamber and drain tap, machine oil in hyperbaric chamber releases from drain tap, a small amount of machine oil is made to enter cylinder block, reduce oil pressure in cylinder block, keep motor inner engine oil pressure normal.
As a kind of preferred version, described oil pump body and oil pump cover are equipped with two oil grooves, two oil grooves on described oil pump body, the mounting hole of a described hyperbaric chamber of connection and described driving gear shaft, another is communicated with the mounting hole of hyperbaric chamber and described driven gear shaft, two oil grooves on oil pump cover, the mounting hole of a described hyperbaric chamber of connection and described driving gear shaft, another is communicated with the mounting hole of hyperbaric chamber and described driven gear shaft, can make driving gear shaft and the passive tooth wheel shaft of the oil lubrication self in oil pump like this.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structure of the entirety of the utility model embodiment;
Fig. 2 is the structural representation of the oil pump body of the utility model embodiment;
Fig. 3 is the plan view of Fig. 1;
The side view of this Fig. 1 of Fig. 4;
Fig. 5 is the structural representation of main oil gallery pressure-limit valve;
Fig. 6 is the structural representation of safety valve;
Fig. 7 is the structural representation of oil pump body finishing bathtray;
Fig. 8 is the structural representation of oil pump cover finishing bathtray;
In figure: 1-oil pump body, 2-oil pump cover, 3-actuation gear, 4-driving gear shaft, 5-driving gear muff, 6-driving gear, 7-driven gear shaft, 8-driven gear muff, 9-driven gear, 10-locating stud, 11-locating stud, 12-safety valve, 13-main oil gallery pressure-limit valve, 14-valve body, 15-spring, 16-spool, 17-low-pressure cavity; 18-hyperbaric chamber, 19-oil groove, 20-oil groove, A-filler opening, B-oil outlet, C-main oil gallery pressure feedback oil duct, D-drain tap.
Embodiment
As shown in Figures 1 to 8, a kind of oil pump, comprise oil pump body 1 and oil pump cover 2, oil pump body 1 is connected by bolt seal with oil pump cover 2, in order to easy for installation, by two locating studs 10 and 11, the position of oil pump body 1 and oil pump cover 2 is fixed, described oil pump body 1 and oil pump cover 2 are rotatablely equipped with driving gear shaft 4 and driven gear shaft 7, driving gear shaft 4 and be provided with driving gear muff 5 between oil pump body 1 and oil pump cover 2, driven gear 9 and be provided with driven gear muff 8 between oil pump body 1 and oil pump cover 2, described driving gear shaft 4 is provided with driving gear 6, described driven gear shaft 7 is provided with driven gear 9, described driving gear 6 and driven gear 9 engage each other, and be positioned at the cavity of described oil pump body 1 and oil pump cover 2 sealing formation, described cavity is divided into low-pressure cavity 17 and hyperbaric chamber 18 by described driving gear 6 and driven gear 9, described oil pump body 1 is provided with the filler opening A being communicated with described low-pressure cavity 17 and the oil outlet B being communicated with described hyperbaric chamber 18, one end that described driving gear shaft 4 stretches out described oil pump body 1 is provided with actuation gear 3, described actuation gear 3 be arranged in parallel with described driving gear 6, the top of described oil pump body 1 is provided with the bolt hole be connected below the cylinder block with motor, the opening direction of described filler opening A is identical with the axis of described driving gear shaft 4, described oil outlet B opening direction upwards.
Described oil pump body 1 is provided with safety valve 12, described safety valve 12 is communicated with described hyperbaric chamber 18, the structure of safety valve 12 as shown in Figure 6, when low temperature or other engine oil viscosities large, if engine oil pressure exceedes setting value, safety valve 12 is opened, and machine oil unnecessary in hyperbaric chamber 18 flows out from safety valve 12, keeps motor inner engine oil pressure normal.
Described oil pump body 1 is provided with main oil gallery pressure feedback oil duct C and main oil gallery pressure-limit valve 13, as shown in Figure 2 and Figure 5, described main oil gallery pressure-limit valve 13 connects described main oil gallery pressure feedback oil duct C and hyperbaric chamber 18, the valve body 14 of described main oil gallery pressure-limit valve 13 is provided with drain tap D, drain tap D is communicated with hyperbaric chamber 18, under normal state, the spool 16 of oil duct pressure-limit valve leans on main oil gallery pressure feedback oil duct C by spring 15, path between drain tap D and hyperbaric chamber 18 is cut off, main oil gallery pressure feedback oil duct C is communicated with the main oil gallery of body, if body main oil gallery pressure exceedes setting value, high-pressure oil to body promotes spool 16 and moves, be communicated with hyperbaric chamber 18 and drain tap D, machine oil in hyperbaric chamber 18 releases from drain tap D, a small amount of machine oil is made to enter cylinder block, reduce oil pressure in cylinder block, keep motor inner engine oil pressure normal.
As Fig. 7 and Fig. 8, described oil pump body 1 and oil pump cover 2 are equipped with two oil grooves 19 and 20, two oil grooves on described oil pump body 1, the mounting hole of a described hyperbaric chamber 18 of connection and described driving gear shaft 4, another is communicated with the mounting hole of hyperbaric chamber 18 and described driven gear shaft 7, two oil grooves on oil pump cover 2, the mounting hole of a described hyperbaric chamber 18 of connection and described driving gear shaft 4, another is communicated with the mounting hole of hyperbaric chamber 18 and described driven gear shaft 7, the lubricant oil in oil pump can be made like this to enter between driving gear shaft 4 and driving gear muff 5, also can enter between driven gear shaft 7 and driven gear muff 8, play lubrication.
Use the oil pump of said structure, by main oil gallery pressure-limit valve 13, when engine oil can be made superfluous, control lubricant oil delivery volume from oil pump itself, unnecessary oil mass is released from hyperbaric chamber 18, do not carry out filtering, cooling, energy-saving effect is obvious, by arranging safety valve 12, oil pressure exception also opens release pressure after exceeding safety pressure, safety valve 12 and main oil gallery pressure-limit valve 13 are all arranged on oil pump body 1, and compact overall structure does not take motor length director space.
Claims (4)
1. oil pump, comprise oil pump body and oil pump cover, described oil pump body and oil pump cover are rotatablely equipped with driving gear shaft and driven gear shaft, described driving gear shaft is provided with driving gear, described driven gear shaft is provided with driven gear, described driving gear and driven gear engage each other, and be positioned at the cavity of described oil pump body and oil pump cover sealing formation, described cavity is divided into low-pressure cavity and hyperbaric chamber by described driving gear and driven gear, described oil pump body is provided with the filler opening being communicated with described low-pressure cavity and the oil outlet being communicated with described hyperbaric chamber, it is characterized in that: one end that described driving gear shaft stretches out described oil pump body is provided with actuation gear, described actuation gear and described driving gear be arranged in parallel, the top of described oil pump body is provided with the bolt hole be connected below the cylinder block with motor, the opening direction of described filler opening is identical with the axis of described driving gear shaft, described oil outlet opening direction upwards.
2. oil pump as claimed in claim 1, it is characterized in that: described oil pump body is provided with safety valve, described safety valve is communicated with described hyperbaric chamber.
3. oil pump as claimed in claim 2, it is characterized in that: described oil pump body is provided with main oil gallery pressure feedback oil duct and main oil gallery pressure-limit valve, described main oil gallery pressure-limit valve connects described main oil gallery pressure feedback oil duct and hyperbaric chamber, and the valve body of described main oil gallery pressure-limit valve is provided with drain tap.
4. oil pump as claimed in claim 1, it is characterized in that: described oil pump body and oil pump cover are equipped with two oil grooves, two oil grooves on described oil pump body, the mounting hole of a described hyperbaric chamber of connection and described driving gear shaft, another is communicated with the mounting hole of hyperbaric chamber and described driven gear shaft, two oil grooves on described oil pump cover, the mounting hole of a described hyperbaric chamber of connection and described driving gear shaft, another is communicated with the mounting hole of hyperbaric chamber and described driven gear shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520687488.XU CN205026353U (en) | 2015-09-07 | 2015-09-07 | Oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520687488.XU CN205026353U (en) | 2015-09-07 | 2015-09-07 | Oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205026353U true CN205026353U (en) | 2016-02-10 |
Family
ID=55258883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520687488.XU Active CN205026353U (en) | 2015-09-07 | 2015-09-07 | Oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205026353U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150591A (en) * | 2016-08-30 | 2016-11-23 | 潍柴动力股份有限公司 | A kind of engine and the built-in mounting structure of lubricating oil pump thereof |
| CN109827061A (en) * | 2019-04-08 | 2019-05-31 | 湖南机油泵股份有限公司 | A kind of lubricating oil pump with idle gear of structure optimization |
| CN110513593A (en) * | 2019-09-24 | 2019-11-29 | 联禾厚普（太仓）精密机械有限公司 | A kind of oil pump casing of self-lubricating |
| CN112610472A (en) * | 2020-12-22 | 2021-04-06 | 金迈思液压设备（天津）有限公司 | High-pressure gear pump with safety valve additionally arranged on rear end cover |
-
2015
- 2015-09-07 CN CN201520687488.XU patent/CN205026353U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150591A (en) * | 2016-08-30 | 2016-11-23 | 潍柴动力股份有限公司 | A kind of engine and the built-in mounting structure of lubricating oil pump thereof |
| CN109827061A (en) * | 2019-04-08 | 2019-05-31 | 湖南机油泵股份有限公司 | A kind of lubricating oil pump with idle gear of structure optimization |
| CN110513593A (en) * | 2019-09-24 | 2019-11-29 | 联禾厚普（太仓）精密机械有限公司 | A kind of oil pump casing of self-lubricating |
| CN112610472A (en) * | 2020-12-22 | 2021-04-06 | 金迈思液压设备（天津）有限公司 | High-pressure gear pump with safety valve additionally arranged on rear end cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |