CN202546204U - Oil pump - Google Patents
Oil pump Download PDFInfo
- Publication number
- CN202546204U CN202546204U CN 201120472248 CN201120472248U CN202546204U CN 202546204 U CN202546204 U CN 202546204U CN 201120472248 CN201120472248 CN 201120472248 CN 201120472248 U CN201120472248 U CN 201120472248U CN 202546204 U CN202546204 U CN 202546204U
- Authority
- CN
- China
- Prior art keywords
- mounting hole
- oil
- slide mass
- hole
- communicated
- 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 - Lifetime
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Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/025—Check valves with guided rigid valve members the valve being loaded by a spring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/02—Pressure lubrication using lubricating pumps
- F01M2001/0207—Pressure lubrication using lubricating pumps characterised by the type of pump
- F01M2001/0238—Rotary pumps
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The utility model provides an oil pump which comprises a shell, a compression spring and a sliding body. An oil inlet and an oil outlet are arranged on the shell, a low-pressure oil cavity and a high-pressure oil cavity are arranged in the shell, the low-pressure oil cavity is communicated with the oil inlet, the high-pressure oil cavity is communicated with the oil outlet, a mounting hole is further arranged on the shell, one end of the mounting hole is communicated with the high-pressure oil cavity, the other end of the mounting hole is closed, the sliding body closes the end, which is communicated with the high-pressure oil cavity, of the mounting hole under the pretightening effect of the compression spring, and is slidably arranged in the mounting hole, the compression spring is positioned in the mounting hole, two ends of the compression spring are respectively abutted to the sliding body and the closed end of the mounting hole, the shell is further provided with a pressure relief hole, the oil inlet or the low-pressure oil cavity is communicated with the mounting hole via the pressure relief hole, and a position, which is communicated with the mounting hole, of the pressure relief hole is positioned between the sliding body and the closed end of the mounting hole. The oil pump can sufficiently utilize discharged oil, so that energy loss is reduced.
Description
Technical field
The utility model relates to a kind of oil pump.
Background technique
On automobile; The oil pump of motor generally is a rotor pump, and rotor pump comprises internal rotor, external rotor, pump case and pump cover, and internal rotor and external rotor be eccentric the setting in pump case; Pump case is connected through screw with pump cover; Be provided with low pressure oil pocket and high-voltage oil cavity in the pump case, the low pressure oil pocket is communicated with filler opening, and high-voltage oil cavity is communicated with oil outlet.Drive internal rotor during engine operation and rotate, internal rotor drives external rotor and rotates, and rotates through the cooperation of inner and outer rotors, and the machine oil of low pressure is sucked from filler opening, discharges from oil outlet after becoming the machine oil of high pressure.
All be provided with decompression mechanism on the general oil pump, decompression mechanism work gushes the machine oil of part high pressure from decompression mechanism when the oil pump internal pressure is too high.Though can avoid engine oil pressure too high like this, cause the loss of energy.
The model utility content
The utility model provides a kind of oil pump for solving the problem that above-mentioned decompression mechanism causes energy loss, and this oil pump can make full use of the machine oil that gushes, and reduces energy loss.
The oil pump of the utility model comprises housing, and housing is provided with filler opening and oil outlet; Be provided with low pressure oil pocket and high-voltage oil cavity in the housing, the low pressure oil pocket is communicated with filler opening, and high-voltage oil cavity is communicated with oil outlet; Wherein, Also be provided with mounting hole on the said housing, an end of said mounting hole is communicated with high-voltage oil cavity, the other end sealing of mounting hole; Said oil pump also comprises pressure spring and under the pretension effect of pressure spring, seals the slide mass of an end that is communicated with high-voltage oil cavity of mounting hole; Said slide mass be slidably disposed in the mounting hole and the pressure of high-pressure oil that can be in high-voltage oil cavity under overcome pressure spring the pretension effect move to the closed end of mounting hole, said pressure spring is positioned at mounting hole, the two ends of pressure spring respectively with slide mass and said closed end butt; Also be provided with the relief hole that filler opening or low pressure oil pocket are communicated with said mounting hole on the said housing, the position that said relief hole is communicated with mounting hole is between slide mass and said closed end.
Further, said oil pump also comprises blanking cover, and said blanking cover is fixedly mounted on the closed end of mounting hole and seals said closed end, the two ends of pressure spring respectively with slide mass and blanking cover butt.
Further, also be provided with the draining hole of a plurality of connection mounting holes and low pressure oil pocket on the said housing; When slide mass was positioned at the position of an end that is communicated with high-voltage oil cavity that seals mounting hole, the draining hole was sealed by slide mass; In the process that said closed end moves, a plurality of drainings hole is progressively opened in the pretension effect that overcomes pressure spring under the pressure of the high-pressure oil of slide mass in high-voltage oil cavity.
Further; Said slide mass becomes round cup shape; Spielpassung between slide mass and the mounting hole, the opening surface of said round cup shape are to said closed end, when slide mass is positioned at the position of an end that is communicated with high-voltage oil cavity that seals mounting hole; An end that is communicated with high-voltage oil cavity of the bottom lock mounting hole of said round cup shape, each draining hole of annular sidewall sealing of said round cup shape.
Further, a plurality of draining hole is arranged and the actual internal area in each draining hole progressively increases to the glide direction of blanking cover along slide mass in order.
Further, each draining hole is circular hole, and the diameter in each draining hole progressively increases along the glide direction of slide mass to blanking cover.
Further, between blanking cover and the mounting hole through being threaded or interference fit realizes being sealedly and fixedly connected.
Further, said housing comprises pump case and pump cover, and pump case is fixedly connected with pump cover, and said filler opening and oil outlet are arranged on the pump case, and low pressure oil pocket and high-voltage oil cavity are arranged in the pump case.
The beneficial effect of the utility model is: because housing is provided with the relief hole that filler opening or low pressure oil pocket are communicated with said mounting hole; Relief hole both can play the effect of normal emptying gas; Can the machine oil that enter into mounting hole from high-voltage oil cavity be discharged to filler opening or low pressure oil pocket again; Avoid the machine oil in the mounting hole to be discharged from outside the oil pump, reduced energy loss.
Description of drawings
Fig. 1 is the exploded perspective view of the oil pump of a kind of mode of execution of the utility model;
Fig. 2 is the partial schematic sectional view of the oil pump of a kind of mode of execution of the utility model.
Embodiment
Clearer for technical problem, technological scheme and beneficial effect that the utility model is solved, below in conjunction with accompanying drawing and embodiment, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As illustrated in fig. 1 and 2, the oil pump of a kind of mode of execution of the utility model comprises housing; Housing is provided with filler opening and oil outlet; Be provided with low pressure oil pocket and high-voltage oil cavity in the housing, the low pressure oil pocket is communicated with filler opening, and high-voltage oil cavity is communicated with oil outlet; Wherein, Also be provided with mounting hole 1 on the said housing, an end of said mounting hole 1 is communicated with high-voltage oil cavity, the other end sealing of mounting hole 1; Said oil pump also comprises pressure spring 2 and under the pretension effect of pressure spring 2, seals the slide mass 3 of an end that is communicated with high-voltage oil cavity of mounting hole 1; Said slide mass 3 be slidably disposed in the mounting hole 1 and the pressure of high-pressure oil that can be in high-voltage oil cavity under overcome pressure spring 2 the pretension effect move to the closed end of mounting hole 1, said pressure spring 2 is positioned at mounting hole 1, the two ends of pressure spring 2 respectively with the closed end butt of slide mass 3 and mounting hole 1; Also be provided with the relief hole 4 that filler opening or low pressure oil pocket are communicated with said mounting hole 1 on the said housing, the position that said relief hole 4 is communicated with mounting hole 1 is between slide mass 3 and said closed end.No matter where slide mass 3 is positioned at, and the position that relief hole 4 is communicated with mounting hole 1 is always between slide mass 3 and said closed end.
Preferably, said oil pump also comprises blanking cover 5, and said blanking cover 5 is fixedly mounted on the closed end of mounting hole 1 and seals said closed end, the two ends of pressure spring 2 respectively with slide mass 3 and blanking cover 5 butts.The effect that blanking cover 5 is set is the installation of pressure spring 2 and slide mass 3 for ease, during installation, earlier slide mass 3 and pressure spring 2 is put in the mounting holes 1, blanking cover 5 is fixedly installed in the mounting hole 1 again.Realize being sealedly and fixedly connected through being threaded between blanking cover 5 and the mounting hole 1, or realize being sealedly and fixedly connected through interference fit.
Preferably, also be provided with the draining hole 6 of a plurality of connection mounting holes 1 and low pressure oil pocket on the said housing; When slide mass 3 was positioned at the position of an end that is communicated with high-voltage oil cavity that seals mounting hole 1, draining hole 6 was by slide mass 3 sealings; In the process that said closed end moves, a plurality of drainings hole 6 is progressively opened in the pretension effect that overcomes pressure spring 2 under the pressure of the high-pressure oil of slide mass 3 in high-voltage oil cavity.
Preferably; 3 one-tenth round cup shapes of said slide mass; Spielpassung between slide mass 3 and the mounting hole 1, the opening surface of said round cup shape are to said closed end, when slide mass 3 is positioned at the position of an end that is communicated with high-voltage oil cavity that seals mounting hole 1; An end that is communicated with high-voltage oil cavity of the bottom lock mounting hole 1 of said round cup shape, each draining hole 6 of annular sidewall sealing of said round cup shape.
Preferably, said draining hole 6 has a plurality of, and a plurality of drainings hole 6 is arranged and the actual internal area in each draining hole 6 progressively increases to the glide direction of blanking cover 5 along slide mass 3 in order.Further preferred, each draining hole 6 is circular hole, and the diameter in each draining hole 6 progressively increases along the glide direction of slide mass 3 to blanking cover 5.
Parts in the housing are installed for ease, and said housing comprises pump case 7 and pump cover 8, and pump case 7 and pump cover 8 are connected through screw, and said filler opening and oil outlet are arranged on the pump case 7, and low pressure oil pocket and high-voltage oil cavity are arranged in the pump case 7.
This oil pump also comprises internal rotor 9 and external rotor 10, internal rotor 9 and external rotor 10 eccentric setting in housing.
Connection described in this mode of execution both can be direct connection, also can be the indirect communication of carrying out through other parts or structure.
When the oil pump of this mode of execution is worked; The pressure that the machine oil of the high pressure in the high-voltage oil cavity produces to blanking cover 5 directions slide mass 3; When the pressure of the machine oil of high pressure during less than the pressure of 2 pairs of slide masses 3 of pressure spring; Slide mass 3 rests on an end that is communicated with high-voltage oil cavity of sealing mounting hole 1, and this moment, this oil pump was not carried out pressure release.When the pressure of the machine oil of high pressure during greater than the pressure of 2 pairs of slide masses 3 of pressure spring, slide mass 3 slides to blanking cover 5 directions, and the machine oil of high pressure enters into mounting hole 1; At first open in the minimum draining hole 6 of diameter, and the machine oil of high pressure enters into the low pressure oil pocket from the minimum draining hole 6 of said diameter, and the pressure of machine oil reduces; Promptly the machine oil to high pressure carries out pressure release; Along with the continuation of slide mass 3 is slided, progressively open in other draining hole 6, and the machine oil of more high pressure enters into the low pressure oil pocket; Simultaneously; Part machine oil passes the side near blanking cover 5 of the gap arrival slide mass 3 between slide mass 3 and the mounting hole 1, from relief hole 4, flows to then in filler opening or the low pressure oil pocket, and the machine oil that gets in the filler opening finally still flows in the low pressure oil pocket.
In the process that blanking cover 5 directions are slided, the air in the mounting hole 1 is discharged to from relief hole 4 in filler opening or the low pressure oil pocket, finally is discharged to outside this oil pump, guarantees the normal slip of slide mass 3 at slide mass 3.
Through a plurality of drainings hole 6 is set, a plurality of drainings hole 6 in order arranges and the diameter in each draining hole 6 progressively increase to the glide direction of blanking cover 5 that along slide mass 3 can realize that the cascade of oil pump pressure is regulated, elevator pump oil efficient reduces the loss of pump oil.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (8)
1. oil pump; Comprise housing, housing is provided with filler opening and oil outlet, is provided with low pressure oil pocket and high-voltage oil cavity in the housing; The low pressure oil pocket is communicated with filler opening; High-voltage oil cavity is communicated with oil outlet, it is characterized in that, also is provided with mounting hole (1) on the said housing; One end of said mounting hole (1) is communicated with high-voltage oil cavity; The sealing of the other end of mounting hole (1), said oil pump also comprise pressure spring (2) and under the pretension effect of pressure spring (2) the slide mass (3) of an end that is communicated with high-voltage oil cavity of sealing mounting hole (1), said slide mass (3) is slidably disposed on the pretension effect that overcomes pressure spring (2) under the pressure of interior and the high-pressure oil that can be in high-voltage oil cavity of mounting hole (1) and moves to the closed end of mounting hole (1); Said pressure spring (2) is positioned at mounting hole (1); The two ends of pressure spring (2) respectively with slide mass (3) and said closed end butt, also be provided with the relief hole (4) that filler opening or low pressure oil pocket are communicated with said mounting hole (1) on the said housing, the position that said relief hole (4) is communicated with mounting hole (1) is positioned between slide mass (3) and the said closed end.
2. oil pump as claimed in claim 1; It is characterized in that; Said oil pump also comprises blanking cover (5), and said blanking cover (5) is fixedly mounted on the closed end of mounting hole (1) and seals said closed end, the two ends of pressure spring (2) respectively with slide mass (3) and blanking cover (5) butt.
3. oil pump as claimed in claim 2 is characterized in that, also is provided with the draining hole (6) of a plurality of connection mounting holes (1) and low pressure oil pocket on the said housing; When slide mass (3) was positioned at the position of an end that is communicated with high-voltage oil cavity that seals mounting hole (1), draining hole (6) were sealed by slide mass (3); The pretension effect that under the pressure of the high-pressure oil of slide mass (3) in high-voltage oil cavity, overcomes pressure spring (2) is in the process that said closed end moves, and a plurality of drainings hole (6) is progressively opened.
4. oil pump as claimed in claim 3; It is characterized in that said slide mass (3) becomes round cup shape, Spielpassung between slide mass (3) and the mounting hole (1); The opening surface of said round cup shape is to said closed end; When slide mass (3) is positioned at the position of an end that is communicated with high-voltage oil cavity that seals mounting hole (1), an end that is communicated with high-voltage oil cavity of the bottom lock mounting hole (1) of said round cup shape, each draining hole (6) of annular sidewall sealing of said round cup shape.
5. oil pump as claimed in claim 4 is characterized in that, a plurality of drainings hole (6) is arranged and the actual internal area in each draining hole (6) progressively increases to the glide direction of blanking cover (5) along slide mass (3) in order.
6. oil pump as claimed in claim 5 is characterized in that, each draining hole (6) is circular hole, and the diameter in each draining hole (6) progressively increases along the glide direction of slide mass (3) to blanking cover (5).
7. oil pump as claimed in claim 2 is characterized in that, between blanking cover (5) and the mounting hole (1) through being threaded or interference fit realizes being sealedly and fixedly connected.
8. oil pump as claimed in claim 1; It is characterized in that said housing comprises pump case (7) and pump cover (8), pump case (7) is fixedly connected with pump cover (8); Said filler opening and oil outlet are arranged on the pump case (7), and low pressure oil pocket and high-voltage oil cavity are arranged in the pump case (7).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120472248 CN202546204U (en) | 2011-11-24 | 2011-11-24 | Oil pump |
| PCT/CN2012/085072 WO2013075647A1 (en) | 2011-11-24 | 2012-11-22 | Oil pump, engine and vehicle comprising the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120472248 CN202546204U (en) | 2011-11-24 | 2011-11-24 | Oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202546204U true CN202546204U (en) | 2012-11-21 |
Family
ID=47166841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120472248 Expired - Lifetime CN202546204U (en) | 2011-11-24 | 2011-11-24 | Oil pump |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202546204U (en) |
| WO (1) | WO2013075647A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013075647A1 (en) * | 2011-11-24 | 2013-05-30 | Shenzhen Byd Auto R&D Company Limited | Oil pump, engine and vehicle comprising the same |
| CN104153841A (en) * | 2014-07-25 | 2014-11-19 | 潍柴动力扬州柴油机有限责任公司 | Engine and pressure limiting valve thereof |
| CN104964151A (en) * | 2015-07-03 | 2015-10-07 | 南京高德机械有限公司 | Diesel engine oil pump |
| CN106523881A (en) * | 2016-12-20 | 2017-03-22 | 南京世界村汽车动力有限公司 | Pressure relief type two-stage variable displacement engine oil pump |
| CN107339473A (en) * | 2017-09-08 | 2017-11-10 | 湖南机油泵股份有限公司 | A kind of two level pressure limiting valve |
| CN110630890A (en) * | 2019-10-11 | 2019-12-31 | 朱席 | Automobile engine oil pump shell |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854933B (en) * | 2019-04-08 | 2024-03-15 | 湖南机油泵股份有限公司 | Rotor pump structure of integrated water pump |
| CN113864022A (en) * | 2020-06-30 | 2021-12-31 | 四川航天世源汽车部件有限公司 | Oil pump with pressure limiting valve having self-balancing function |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001050411A (en) * | 1999-08-04 | 2001-02-23 | Unisia Jecs Corp | Relief valve device |
| JP3643311B2 (en) * | 2000-03-03 | 2005-04-27 | 本田技研工業株式会社 | Relief valve structure |
| JP2004232670A (en) * | 2003-01-28 | 2004-08-19 | Aisin Seiki Co Ltd | Relief valve mechanism of oil pump |
| JP4103718B2 (en) * | 2003-07-30 | 2008-06-18 | アイシン精機株式会社 | Oil pump |
| CN201202634Y (en) * | 2008-04-17 | 2009-03-04 | 宁波圣龙汽车零部件有限公司 | Engine oil pump for automobile engine |
| CN201771570U (en) * | 2010-06-30 | 2011-03-23 | 上海通用汽车有限公司 | Lubricating oil circuit arrangement system for internal combustion engine |
| CN202546204U (en) * | 2011-11-24 | 2012-11-21 | 比亚迪股份有限公司 | Oil pump |
-
2011
- 2011-11-24 CN CN 201120472248 patent/CN202546204U/en not_active Expired - Lifetime
-
2012
- 2012-11-22 WO PCT/CN2012/085072 patent/WO2013075647A1/en active Application Filing
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013075647A1 (en) * | 2011-11-24 | 2013-05-30 | Shenzhen Byd Auto R&D Company Limited | Oil pump, engine and vehicle comprising the same |
| CN104153841A (en) * | 2014-07-25 | 2014-11-19 | 潍柴动力扬州柴油机有限责任公司 | Engine and pressure limiting valve thereof |
| CN104964151A (en) * | 2015-07-03 | 2015-10-07 | 南京高德机械有限公司 | Diesel engine oil pump |
| CN106523881A (en) * | 2016-12-20 | 2017-03-22 | 南京世界村汽车动力有限公司 | Pressure relief type two-stage variable displacement engine oil pump |
| CN107339473A (en) * | 2017-09-08 | 2017-11-10 | 湖南机油泵股份有限公司 | A kind of two level pressure limiting valve |
| CN110630890A (en) * | 2019-10-11 | 2019-12-31 | 朱席 | Automobile engine oil pump shell |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013075647A1 (en) | 2013-05-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121121 |
|
| CX01 | Expiry of patent term |