CN102619731B - Oil pump of compressor - Google Patents
Oil pump of compressor Download PDFInfo
- Publication number
- CN102619731B CN102619731B CN201210125330.4A CN201210125330A CN102619731B CN 102619731 B CN102619731 B CN 102619731B CN 201210125330 A CN201210125330 A CN 201210125330A CN 102619731 B CN102619731 B CN 102619731B
- Authority
- CN
- China
- Prior art keywords
- rotor
- oil
- oil pump
- pump body
- retainer
- 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
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 239000003921 oil Substances 0.000 claims description 109
- 239000012634 fragment Substances 0.000 claims description 17
- 239000010725 compressor oil Substances 0.000 claims description 10
- 239000000446 fuel Substances 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000005461 lubrication Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Landscapes
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The invention relates to an oil pump of a compressor. The oil pump comprises an oil pump cover, an oil pump body, a rotor seat ring, an outer rotor, an inner rotor and a positioning pin, wherein an oil inlet passage, an oil inlet cavity, an oil outlet cavity and an oil outlet are formed on the oil pump cover; a rotor hole, an oil draining hole cavity, an oil draining hole and a 180-degree arc-shaped positioning groove are formed on the oil pump body; a steel ball, a spring and a holding screw are arranged in an outlet passage of the oil draining hole; the rotor seat ring, the outer rotor and the inner rotor are arranged in the rotor hole of the oil pump body; the inner circle and the outer circle of the rotor seat ring have non-concentric structures, an arc-shaped groove in which an elastic sheet is arranged is formed on the wall of the inner circle of the rotor seat ring, and the elastic force of the elastic sheet makes the elastic sheet directly contact the outer wall of the out rotor, so that the rotor seat ring can rotate together with the outer rotor; and the rotor seat ring is limited to rotate in the positioning groove through the positioning pin, and when the rotating direction of the outer rotor is changed, the rotor seat ring is rotated 180 degrees, and the geometric center of the outer rotor is also rotated 180 degrees. By the oil pump of the compressor, oil can be normally provided when the oil pump is rotated positively or negatively; and the oil pump is simple in structure, and easy to implement.
Description
Technical field
The present invention relates to internal messing cycloidal rotor oil pump design and manufaction technical field, specifically, is a kind of oil pump being applicable to passenger car air-conditioner compressor lubrication.
Background technique
The passenger vehicle of present production has been nearly all air-conditioning vehicle.Therefore, the oil pump of passenger car air-conditioner compressor lubrication is applicable to also by manufacturing enterprise or architect are paid attention to.
What current passenger car air-conditioner compressor generally adopted is internal messing cycloidal rotor oil pump.Internal rotor and the external rotor of described oil pump are all manufactured by powder metallurgy forming, and the advantages such as they have, and precision is high, wear-resisting, life-span length, low price, therefore, obtain and apply comparatively widely.But described oil pump also exists obvious deficiency: one is, the oil hydraulic-pump rotor number of teeth is few, and make charge oil pressure unstable, when described oil pump is on the car air conditioner of compressor rotary speed frequent variations, the problem of charge oil pressure instability is particularly outstanding.Two are, described oil pump can only in a sense of rotation fuel feeding, some occasion when compressor reverse rotation time oil pump just can not fuel feeding, this makes its application area be restricted.
Summary of the invention
The object of the invention is the defect overcoming prior art, provide a kind of clockwise and anticlockwise can stablize fuel feeding and structure is simple, operate reliable internal messing cycloidal rotor oil pump, and the working effect of passenger car air-conditioner compressor can be made to significantly improve.
For realizing above-mentioned object, present invention employs following technical proposals.
A kind of compressor oil pump, containing oil pump cover, oil pump body, external rotor, internal rotor, described oil pump body is screwed on oil pump cover, it is characterized in that, also containing rotor retainer, locating stud, shell fragment, steel ball, spring and Cock screw, described oil pump cover is provided with oil input channel, oil suction chamber, go out oil pocket, oil outlet, described oil pump body is provided with rotor hole, draining vestibule, oil leak hole and the locating slot in 180 degree of arcuations, in the outlet passage of described oil leak hole, described steel ball is set, spring and Cock screw, described Cock screw is arranged on oil pump body, the lower end of Cock screw is socketed in one end of spring, steel ball is pressed in the outlet of oil leak hole by the other end of spring, described rotor retainer is arranged in the rotor hole of oil pump body together with external rotor, internal rotor, and the inside and outside circle of rotor retainer is decentraction structure, and the inner round wall of rotor retainer is provided with arc groove, be arranged in arc groove after described shell fragment is bending, the elastic force that shell fragment stretches makes shell fragment directly contact with the outer wall of external rotor, and when external rotor rotates, the frictional force of shell fragment and external rotor surface of contact makes rotor retainer rotating in same direction, the end face of rotor retainer arranges described locating stud, and the pin end of locating stud inserts in the locating slot of described oil pump body, like this, described rotor retainer is just limited at the interior rotation of arc structure that locating slot is 180 degree, and when the sense of rotation of external rotor changes, rotor retainer rotates 180 degree, the geometrical center of external rotor also rotates 180 degree, and realizing oil pump body clockwise and anticlockwise can both normal fuel injection.
Further, described oil outlet is arranged on the central position of oil pump cover, and at entad, place sets out oil pocket.
Further, described in described oil suction chamber is arranged on, go out the corresponding position of oil pocket, at oil suction chamber, oil input channel is set outward.
Further, described shell fragment is rectangle structure part, is arranged in arc groove after being bent.
Further, described external rotor is five toothing parts.
Further, described internal rotor is four toothing parts.
The good effect of a kind of compressor oil pump of the present invention is:
Rational in infrastructure and simple, cost is low, and achieving oil pump clockwise and anticlockwise can normal fuel injection, and the application area having widened compressor obtains, solve cycloidal rotor oil pump because of the number of teeth few, charge oil pressure is unstable, and the problem making passenger car air-conditioner compressor lubrication effect not good.
Accompanying drawing explanation
Accompanying drawing 1 is the plan structure schematic diagram of a kind of compressor oil pump of the present invention.
Accompanying drawing 2 is the structural representation (having the broken section structure that steel ball, spring, Cock screw connect) of oil pump body.
Accompanying drawing 3 is the structure sectional views in A-A direction in Fig. 1.
Accompanying drawing 4 is the structural representation of rotor retainer.
Accompanying drawing 5 is the structural representation of external rotor.
Accompanying drawing 6 is the structural representation of internal rotor.
Label in figure is respectively:
1, oil pump cover; 101, oil input channel; 102, oil suction chamber; 103, oil pocket is gone out; 104, oil outlet;
2, oil pump body; 201, rotor hole; 202, draining vestibule; 203, oil leak hole; 204, locating slot;
3, rotor retainer; 301, arc groove; 4, external rotor; 5, internal rotor; 6, screw;
7, locating stud; 8, shell fragment; 9, steel ball; 10, spring; 11, Cock screw.
Embodiment
Further illustrate the embodiment of a kind of compressor oil pump of the present invention below in conjunction with accompanying drawing, but it is noted that enforcement of the present invention is not limited to following mode of execution.
See accompanying drawing 3.A kind of compressor oil pump, belongs to internal messing cycloidal rotor oil pump structure type, containing oil pump cover 1, oil pump body 2, rotor retainer 3, external rotor 4, internal rotor 5, socket head screw 6, locating stud 7, shell fragment 8, steel ball 9, spring 10 and Cock screw 11.
(see accompanying drawing 1) arranges oil input channel 101, oil suction chamber 102, goes out oil pocket 103, oil outlet 104 on described oil pump cover 1.Described oil outlet 104 is arranged on the central position of oil pump cover 1, sets out oil pocket 103 at the vertical central line place of entad.Described oil suction chamber 102 is arranged on out the corresponding position of oil pocket 103, that is: the top (being described by the direction of accompanying drawing 1) of oil outlet 104 is for going out oil pocket 103, and the following of oil outlet 104 is oil suction chamber 102.Then, be described by the direction of accompanying drawing 1 at the hang down oil input channel 101(that arranges outward of central line of oil suction chamber 102).
Described oil pump body 2 is provided with rotor hole 201, draining vestibule 202, oil leak hole 203 and locating slot 204, described locating slot 204 is set in 180 degree of arc structures.Then, steel ball 9, spring 10 and Cock screw 11 are set in the outlet passage of described oil leak hole 203: be arranged on by Cock screw 11 on oil pump body 2, the lower end of Cock screw 11 is socketed in one end of spring 10, and steel ball 9 is pressed on (see accompanying drawing 2) in the outlet of oil leak hole 203 by the other end of spring 10.When the compressor oil invented pump oil pressure excessive time, go out oil pressure and steel ball 9 can be pushed away oil leak hole 203 and export and draining, realize the stable of charge oil pressure.Manually operated words, carry out the pressure of Regulation spring 10 by regulating Cock screw 11: when need to increase oil pump go out oil pressure time, Cock screw 11 can be tightened to increase the pressure of spring 10; When need to reduce oil pump go out oil pressure time, Cock screw 11 can be unscrewed, reduce the pressure of spring 10.
The inside and outside circle of described rotor retainer 3 is decentraction structure (see accompanying drawing 4), and the e in accompanying drawing 4 is eccentric distance.The inner round wall of rotor retainer 3 arranges an arc groove 301, is arranged in arc groove 301 after bending for the shell fragment 8 of rectangle structure part.The elastic force that described shell fragment 8 stretches makes shell fragment 8 directly contact with the outer wall of external rotor 4, and like this, when external rotor 4 rotates, described shell fragment 8 and the frictional force of external rotor 4 surface of contact make rotor retainer 3 energy rotating in same direction.
The screw 6 of described oil pump body 2 by interior hexagonal is fixed on oil pump cover 1.Described rotor retainer 3, external rotor 4, internal rotor 5 are arranged in the rotor hole 201 of oil pump body 2.Described external rotor 4 is five toothing parts (see Fig. 5); Described internal rotor 5 is four toothing parts (see Fig. 6).The end face of described rotor retainer 3 arranges a locating stud 7(see accompanying drawing 4), the pin end of locating stud 7 is inserted the locating slot 204 interior (see accompanying drawing 3) of described oil pump body 2.Like this, described rotor retainer 3 is just limited at locating slot 204 and rotates in the arc structure of 180 degree, and when the sense of rotation of described external rotor 4 changes, described rotor retainer 3 rotates 180 degree, the geometrical center of external rotor 4 also rotates 180 degree, and can realize oil pump body 2 clockwise and anticlockwise can both normal fuel injection.
The foregoing is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from organization plan of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered within the scope of protection of the present invention.
Claims (3)
1. a compressor oil pump, containing oil pump cover (1), oil pump body (2), external rotor (4), internal rotor (5), described oil pump body (2) screw (6) is fixed on oil pump cover (1), it is characterized in that, also containing rotor retainer (3), locating stud (7), shell fragment (8), steel ball (9), spring (10) and Cock screw (11), described oil pump cover (1) is provided with oil input channel (101), oil suction chamber (102), go out oil pocket (103), oil outlet (104), described oil pump body (2) is provided with rotor hole (201), draining vestibule (202), oil leak hole (203) and the locating slot (204) in 180 degree of arcuations, arrange described steel ball (9) in the outlet passage of described oil leak hole (203), spring (10) and Cock screw (11), described Cock screw (11) is arranged on oil pump body (2), the lower end of Cock screw (11) is socketed in one end of spring (10), and steel ball (9) is pressed in the outlet of oil leak hole (203) by the other end of spring (10), described rotor retainer (3) is arranged in the rotor hole (201) of oil pump body (2) together with external rotor (4), internal rotor (5), the inside and outside circle of rotor retainer (3) is decentraction structure, and the inner round wall of rotor retainer (3) is provided with arc groove (301), described shell fragment (8) is rectangle structure part, be arranged in arc groove (301) after being bent, the elastic force that shell fragment (8) stretches makes shell fragment (8) directly contact with the outer wall of external rotor (4), described external rotor (4) is five toothing parts, described internal rotor (5) is four toothing parts, when external rotor (4) rotates, shell fragment (8) makes rotor retainer (3) rotating in same direction with the frictional force of external rotor (4) surface of contact, the end face of rotor retainer (3) arranges described locating stud (7), and the pin end of locating stud (7) inserts in the locating slot (204) of described oil pump body (2), like this, described rotor retainer (3) is just limited at locating slot (204) and rotates in the arc structure of 180 degree, when the sense of rotation of external rotor (4) changes, rotor retainer (3) rotates 180 degree, the geometrical center of external rotor (4) also rotates 180 degree, and realizing oil pump body (2) clockwise and anticlockwise can both normal fuel injection.
2. a kind of compressor oil pump according to claim 1, is characterized in that, described oil outlet (104) is arranged on the central position of oil pump cover (1), sets out oil pocket (103) at the vertical central line place of entad.
3. a kind of compressor oil pump according to claim 2, is characterized in that, goes out the corresponding position of oil pocket (103) described in described oil suction chamber (102) is arranged on, oil suction chamber (102) hang down central line oil input channel (101) is set outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210125330.4A CN102619731B (en) | 2012-04-26 | 2012-04-26 | Oil pump of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210125330.4A CN102619731B (en) | 2012-04-26 | 2012-04-26 | Oil pump of compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102619731A CN102619731A (en) | 2012-08-01 |
| CN102619731B true CN102619731B (en) | 2015-07-08 |
Family
ID=46559870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210125330.4A Expired - Fee Related CN102619731B (en) | 2012-04-26 | 2012-04-26 | Oil pump of compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102619731B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6511730B2 (en) * | 2014-05-23 | 2019-05-15 | 株式会社ジェイテクト | pump |
| CN106764371A (en) * | 2016-11-29 | 2017-05-31 | 东风朝阳朝柴动力有限公司 | Can adjust automatically engine oil pressure rotor-type oil pump assembly |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1553281A1 (en) * | 1963-04-30 | 1969-09-25 | Zahnradfabrik Friedrichshafen | Capsule plant, especially wheel capsule plant |
| DE2055883A1 (en) * | 1970-11-13 | 1972-05-18 | Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen | Gear pump |
| US4193746A (en) * | 1978-02-16 | 1980-03-18 | Westinghouse Electric Corp. | Reversible gerotor pump |
| CN2396210Y (en) * | 1999-12-03 | 2000-09-13 | 江苏机油泵厂 | Cover postpositive machine oil pump |
| CN201386896Y (en) * | 2009-02-28 | 2010-01-20 | 东风德纳车桥有限公司 | Forced-lubrication oil pump of perforation double drive axle |
| CN202612040U (en) * | 2012-04-26 | 2012-12-19 | 上海酷风汽车部件有限公司 | Compressor oil pump |
-
2012
- 2012-04-26 CN CN201210125330.4A patent/CN102619731B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1553281A1 (en) * | 1963-04-30 | 1969-09-25 | Zahnradfabrik Friedrichshafen | Capsule plant, especially wheel capsule plant |
| DE2055883A1 (en) * | 1970-11-13 | 1972-05-18 | Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen | Gear pump |
| US4193746A (en) * | 1978-02-16 | 1980-03-18 | Westinghouse Electric Corp. | Reversible gerotor pump |
| CN2396210Y (en) * | 1999-12-03 | 2000-09-13 | 江苏机油泵厂 | Cover postpositive machine oil pump |
| CN201386896Y (en) * | 2009-02-28 | 2010-01-20 | 东风德纳车桥有限公司 | Forced-lubrication oil pump of perforation double drive axle |
| CN202612040U (en) * | 2012-04-26 | 2012-12-19 | 上海酷风汽车部件有限公司 | Compressor oil pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102619731A (en) | 2012-08-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190321 Address after: 201108 A 5 District, No. 2059, Zhuan Xing Road, Minhang District, Shanghai. Patentee after: Shanghai pine Chi Energy Automotive Technology Co., Ltd. Address before: 201108 No. 588 Chunguang Road, Xinzhuang Industrial Zone, Minhang District, Shanghai Co-patentee before: Shanghai Songz Automobile Air Conditioning Co., Ltd. Patentee before: Shanghai Cool Wind Automotive Parts Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20200426 |