CN103511251B - Positive displacement pump - Google Patents
Positive displacement pump Download PDFInfo
- Publication number
- CN103511251B CN103511251B CN201310215704.6A CN201310215704A CN103511251B CN 103511251 B CN103511251 B CN 103511251B CN 201310215704 A CN201310215704 A CN 201310215704A CN 103511251 B CN103511251 B CN 103511251B
- Authority
- CN
- China
- Prior art keywords
- cam ring
- positive displacement
- rotor
- side wall
- displacement pump
- 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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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/10—Outer members for co-operation with rotary pistons; Casings
- F01C21/104—Stators; Members defining the outer boundaries of the working chamber
- F01C21/106—Stators; Members defining the outer boundaries of the working chamber with a radial surface, e.g. cam rings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
- F04C14/18—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
- F04C14/22—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members
- F04C14/223—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members using a movable cam
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
- F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
- F04C2/3446—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along more than one line or surface
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The present invention relates to a kind of positive displacement pump for load discharge pressure medium, is particularly used for sliding-vane pump or the roller vane pump of the two-stroke of the speed changer of automobile, with pump group part, the pump group part has a rotor（3）, a cam ring（4）With multiple work sliding parts（5）.Lid is set vertically on side（8）.In cam ring（4）And rotor（3）Between formed by work sliding part（5）Separate working chamber, these working chambers in axial direction pass through the control panel with supply curved mouth（6、7）Limit.At least two alignment pins in axial direction arranging pass through the axial groove of cam ring and insert in the hole of control panel.Rotor（3）By drive shaft（2）Drive.Each axial groove（12）It is respectively provided with a trench bottom with radius（16）.Connect the side wall of expansion on trench bottom respectively（15a、15b）.Each side wall（15a、15b）Mutual spacing expands gradually to more than alignment pin（11）Diameter.
Description
Technical field
The present invention relates to a kind of positive displacement pump for load discharge pressure medium, is particularly used for the speed changer of automobile
The sliding-vane pump of two-stroke or roller vane pump.
Background technology
Sliding-vane pump or impeller pump are for example by 199 09 963 10 2,006 052 996 A1 and DE102 29 of B4, DE of DE
Known to 809 A1.
Positive displacement pump has pump group part, and the pump group part has rotor, a cam ring and multiple work sliding parts,
Such as slide plate or roller, wherein form single working chamber.Rotor is in axial direction limited on two sides or by control panel.
Control panel can also be integrated in the lid of positive displacement pump in side or consist of lid.
When positive displacement pump to be pushed in housing, the housing of such as automotive transmission the recess of alms bowl shape, then cam ring leads to
Often using two alignment pins with respect in most cases while the lid for being configured to control panel is fixed with opposite control panel.For
This, the axial groove that each alignment pin is moved through in the periphery of cam ring simultaneously inserts the hole of control panel.Realized by alignment pin
The centering of cam ring and its fixation of position of rotation (angle position), and achieve from cam ring via alignment pin to lid or shell
The torque transmission of body is supported.
In solution known to these disadvantageously, cam ring has the gap of radial direction with respect to alignment pin.Described
Gap allows cam ring to have asymmetric radial offset.This can mainly cause noise.Now radially only limited twelve Earthly Branches hold alignment pin
Cam ring, can radially " motion of type of respiration ground " when discharge pressure fluctuates so as to cam ring.Here another the disadvantage is that, with
The micromotion that this mode occurs can cause the abrasion of lid and control panel.
Content of the invention
It is an object of the invention to, it is to avoid shortcoming noted earlier, positioning of the cam ring with respect to control panel is particularly realized,
Radial clearance will not now be formed.
According to purpose of the present invention by a kind of for the positive displacement pump of load discharge pressure medium, be particularly used for
The sliding-vane pump of the two-stroke of the transmission device of automobile or roller vane pump are realized, and which has following characteristics：With pump group part, described
Pump group part has rotor, a cam ring and multiple work sliding parts；With lid, lid is axially arranged on rotor
On side；The working chamber separate by work sliding part is formed between cam ring and rotor, and these working chambers are in axial direction
Limited by control panel；With at least two alignment pins in axial direction arranging, the alignment pin is through the axial direction of cam ring
Groove simultaneously inserts the hole of control panel；Rotor is driven by drive shaft, is specified in addition：Each axial groove is respectively provided with band radius
Trench bottom, connect the side wall of expansion on trench bottom respectively；The mutual spacing of each side wall is gradually extended to more than alignment pin
Diameter.
A kind of slope function is formed by the moulding according to the present invention of axial groove.By torque or the circumference being consequently formed
Power is tended to rotate cam ring.By the structure according to the present invention of axial groove, when alignment pin abuts in the side wall of axial groove
When upper, the corresponding ramp type ground of each alignment pin " is moved up " in the form of wedging action on the wall of side.By this way, convex
On the one hand torus is centrally seamlessly fixed, and radial load is imported alignment pin by another aspect cam ring, is thus formed in lid
Or the accurate radial support on housing, this supporting substantially prevent small motion.Thus also avoid on lid and control
Side abrasion in making sheet.
If as common situation, cam ring and lid are made from a variety of materials together with control panel, then with this
Mode also achieves the compensation to different thermal expansions simultaneously.
In order to the slope function for alignment pin according to the present invention is realized, different solutions can be adopted.Axially
Groove simply can be observed in cross-section for this and is configured at least close to semicircular, and wherein semicircular radius is more than positioning
The radius of pin.Trench bottom is achieved by this way to the continuous transition of side wall.
Another solution can be that connect the side wall of wedge shape in the radius of trench bottom, the side wall is same
The diameter being expanded to more than alignment pin.For this purpose, trench bottom can distinguish part circular ground rounding, and with to the corresponding flat of side wall
Sliding transition.But trench bottom can also be respectively configured in a similar manner flat, and with to the side wall for extending up
Lateral radius.
Axial groove can be configured simply as so that be observed respectively outside towards cam ring periphery in cross-section
There is parallel side wall in part, the mutual spacing of the side wall is thus straight also greater than the alignment pin that inserts in axial groove
Footpath.
Description of the drawings
Scheme and design are favorably improved by the embodiment illustrated in principle below according to accompanying drawing.
Wherein：
Fig. 1 illustrates the longitudinal sectional view of sliding-vane pump,
Fig. 2 illustrates the front view of the sliding-vane pump according to Fig. 1, and the sliding-vane pump has rotor, cam ring and two alignment pins,
Fig. 3 illustrates the enlarged drawing of the local " X " in Fig. 2,
Fig. 4 illustrates the front view of the sliding-vane pump according to Fig. 1, and the sliding-vane pump has rotor, cam ring and two by another
The alignment pin of individual form of implementation,
Fig. 5 illustrates the enlarged drawing of the local " X " in Fig. 4.
Specific embodiment
Sliding-vane pump below according to a two-stroke is illustrating the present invention.But certainly it is contemplated that the present invention may be use with roller blade
Pump.
Sliding-vane pump is known.Aforementioned patent document for example be may be referred to for this, therefore only describe in detail below
For the important part of the present invention.
Sliding-vane pump 1 have the cam ring 4 of an encirclement rotor 3 of rotor 3, for arranging on driving shaft 2 and multiple
The work sliding part 5 of the slide plate form being arranged on the periphery of rotor 3 in gap.Control is provided with the both sides of rotor 3 and cam ring 4
Making sheet 6 and 7.In an illustrated embodiment, control panel 7 is integrated in lid 8 or constitutes lid.By in control panel 6 and 7
The mode that knows shapes supply curved mouth and rear slide plate supply curved mouth (not shown).Seal 9 be used for guarantee outside seal pressure medium,
Typically oily.
It is used for the speed changer 10 of automobile according to the sliding-vane pump 1 of the embodiment, the sliding-vane pump loads (speed changer in speed changer
Housing only shown partially in FIG).
The centering in pump group part of alignment pin 11 that cam ring 4 in axial direction extends by least two, the alignment pin
Preferably opposite.By two alignment pins 11 also make lid 8, cam ring 4 and control panel 6 on its position of rotation with respect to
Mutually positioning.For this purpose, two alignment pins 11 are inserted through two axial grooves 12 and are inserted in the hole 13 in lid 8 respectively and control
In hole 14 in plate 6, the axial groove is located on the periphery of cam ring 4.
By Fig. 2 to 5, particularly an alignment pin 11 is shown respectively by the enlarged drawing of Fig. 3 and 5, there is shown with axial groove 12
Two citing configurations.
Fig. 2 and 3 illustrates a configuration of axial groove 12, and wherein described axial groove is observed in cross-section and is respectively configured to half
Circular, and with being connected thereto, towards cam ring periphery is orienting, parallel side wall sections 15.As illustrated, thus dividing
Two side wall 15as, the side wall are not continuously connected on the trench bottom 16 of axial groove 12 adjacent with trench bottom 16 first
Diameter gradually beyond described alignment pin 11 being expanded in section and being terminated in two parallel sections of side wall 15a, this two
Individual section leads to the perisporium of cam ring 4.
In slide plate pump operation, alignment pin 11 it is possible thereby to " move up " on the wall 15a of side when there is radial clearance,
And relatively specifically clinged at bearing position 17a on the wall 15a of side according to the direction of rotation of pump with existing radial clearance.
One configuration of axial groove 12 is shown in figures 4 and 5, connection wedge shape wherein in the radius in trench bottom 16
Side wall 15b.
As by Fig. 5, as amplifying and illustrating, equally to obtain specific bearing position on the wall 15b of side by this way
17b.Connect parallel section 15a again in the section of the side wall 15b of wedge shape.
The configuration of the trench bottom 16 of part circular is substituted, trench bottom can also be configured to flat or plane and have lateral
Radius as to expansion wedge shape side wall 15b transition part.
Reference numerals list
1 sliding-vane pump
2 drive shafts
3 rotors
4 cam rings
5 work sliding parts
6 control panels
7 control panels
8 lids
9 seals
10 speed changers
11 alignment pins
12 axial grooves
13 holes
14 holes
15a, b side wall
15 trench bottoms
17a, b bearing position
Claims (6)
1. a kind of for the positive displacement pump for loading discharge pressure medium, with following characteristics：With pump group part, the pump group part
With a rotor (3), a cam ring (4) and multiple work sliding parts (5)；With lid (8), lid is axially arranged on
On the side of rotor (3)；The working chamber separate by work sliding part (5) is formed between cam ring (4) and rotor (3), this
A little working chambers are in axial direction limited by control panel (6,7)；With at least two alignment pins (11) in axial direction arranging,
The alignment pin passes through the axial groove (12) of cam ring (4) and inserts in the hole (13,14) of control panel (6,7)；Rotor (3) passes through
Drive shaft (2) drives；It is characterized in that following characteristics：Each axial groove (12) are respectively provided with a trench bottom with radius
(16) on trench bottom (16), connect the side wall (15a, 15b) of expansion respectively；Each side wall (15a, 15b) mutual spacing by
The diameter being gradually extended to more than alignment pin (11).
2. positive displacement pump according to claim 1, it is characterised in that each axial groove (12) are observed in cross-section and are configured to
Semicircular or close semicircular, semicircular radius is more than the radius of alignment pin (11).
3. positive displacement pump according to claim 1, it is characterised in that side wall (15b) wedge shape ground expansion.
4. positive displacement pump according to claim 1, it is characterised in that each axial groove (12) are observed in cross-section and existed respectively
With parallel side wall (15a, 15b), the mutual spacing of these side walls in the section of the outside periphery towards cam ring (4)
Diameter more than the alignment pin (11) that inserts in axial groove (12).
5. the positive displacement pump according to one of Claims 1-4, it is characterised in that control panel (6,7) is made up of light metal,
Cam ring (4) is fabricated from iron.
6. the positive displacement pump according to one of Claims 1-4, it is characterised in that positive displacement pump is the transmission for automobile
The sliding-vane pump of the two-stroke of device or roller vane pump.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012104804.5 | 2012-06-04 | ||
| DE201210104804 DE102012104804A1 (en) | 2012-06-04 | 2012-06-04 | Displacement pump e.g. two-stroke vane pump, for conveying pressurized medium to gear box of motor vehicle, has side walls closed at groove bottom, where spacing of side walls from each other are enlarged over diameters of position pins |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103511251A CN103511251A (en) | 2014-01-15 |
| CN103511251B true CN103511251B (en) | 2017-03-08 |
Family
ID=49579290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310215704.6A Active CN103511251B (en) | 2012-06-04 | 2013-06-03 | Positive displacement pump |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103511251B (en) |
| DE (1) | DE102012104804A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015107519A1 (en) * | 2015-05-13 | 2016-11-17 | Robert Bosch Automotive Steering Gmbh | Displacement pump, method for operating a positive displacement pump, steering system and gearbox |
| DE102015115587A1 (en) * | 2015-09-16 | 2017-03-16 | Robert Bosch Automotive Steering Gmbh | DISPLACEMENT PUMP, METHOD FOR OPERATING A DISPLACEMENT PUMP, STEERING SYSTEM AND TRANSMISSION |
| CN105822543B (en) * | 2016-06-02 | 2018-03-06 | 李钢 | A kind of vane pump of rotor radial dynamic balance |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0518371A (en) * | 1991-07-10 | 1993-01-26 | Kayaba Ind Co Ltd | Vane pump device |
| JPH09184489A (en) * | 1995-12-27 | 1997-07-15 | Kayaba Ind Co Ltd | Vane pump and assembly method of vane pump |
| JP2003214361A (en) * | 2002-01-28 | 2003-07-30 | Kayaba Ind Co Ltd | Vane pump |
| DE10346095A1 (en) * | 2003-10-04 | 2005-04-21 | Zf Lenksysteme Gmbh | Vane cell pump has transverse part guided in cast long bore guides at right angles to peripheral direction |
| CN1764783A (en) * | 2003-07-09 | 2006-04-26 | 尤尼西亚Jkc控制***株式会社 | Vane pump |
| JP2011085100A (en) * | 2009-10-19 | 2011-04-28 | Kyb Co Ltd | Vane pump |
| CN102297131A (en) * | 2011-07-08 | 2011-12-28 | 兰州理工大学 | Port plate and hydraulic pump equipped with it |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19909963B4 (en) | 1999-03-06 | 2006-12-21 | Zf Friedrichshafen Ag | displacement |
| DE10229809A1 (en) | 2002-07-03 | 2004-01-15 | Zf Lenksysteme Gmbh | Vane pump |
| DE102006052996A1 (en) | 2006-11-10 | 2008-05-15 | Zf Lenksysteme Gmbh | Vane pump for steering unit of motor vehicle, has housing, outer ring and front plate centered to shaft, where front plate is provided with shaft hub that is provided with outlet for leakage oil |
-
2012
- 2012-06-04 DE DE201210104804 patent/DE102012104804A1/en active Pending
-
2013
- 2013-06-03 CN CN201310215704.6A patent/CN103511251B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0518371A (en) * | 1991-07-10 | 1993-01-26 | Kayaba Ind Co Ltd | Vane pump device |
| JPH09184489A (en) * | 1995-12-27 | 1997-07-15 | Kayaba Ind Co Ltd | Vane pump and assembly method of vane pump |
| JP2003214361A (en) * | 2002-01-28 | 2003-07-30 | Kayaba Ind Co Ltd | Vane pump |
| CN1764783A (en) * | 2003-07-09 | 2006-04-26 | 尤尼西亚Jkc控制***株式会社 | Vane pump |
| DE10346095A1 (en) * | 2003-10-04 | 2005-04-21 | Zf Lenksysteme Gmbh | Vane cell pump has transverse part guided in cast long bore guides at right angles to peripheral direction |
| JP2011085100A (en) * | 2009-10-19 | 2011-04-28 | Kyb Co Ltd | Vane pump |
| CN102297131A (en) * | 2011-07-08 | 2011-12-28 | 兰州理工大学 | Port plate and hydraulic pump equipped with it |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102012104804A1 (en) | 2013-12-05 |
| CN103511251A (en) | 2014-01-15 |
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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 | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: Germany, Germany Applicant after: ROBERT BOSCH AUTOMOTIVE STEERING GmbH Address before: Germany, Germany Applicant before: ZF LENKSYSTEME GmbH |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: ZF FRIEDRICHSHAFEN AG TO: ROBERT BOSCH AUTOMOTIVE STEERING GMBH Free format text: CORRECT: ADDRESS; FROM: |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230714 Address after: Berlin, Germany Patentee after: Pump Technology Solutions PS Co.,Ltd. Address before: Richmond, Germany Patentee before: ROBERT BOSCH AUTOMOTIVE STEERING GmbH |
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| TR01 | Transfer of patent right |