CN201412330Y - vane pump/motor - Google Patents
vane pump/motor Download PDFInfo
- Publication number
- CN201412330Y CN201412330Y CN2009201600089U CN200920160008U CN201412330Y CN 201412330 Y CN201412330 Y CN 201412330Y CN 2009201600089 U CN2009201600089 U CN 2009201600089U CN 200920160008 U CN200920160008 U CN 200920160008U CN 201412330 Y CN201412330 Y CN 201412330Y
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- oil
- spindle
- shallow slot
- end cap
- port
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Abstract
The utility model discloses a vane pump/motor, comprising a left end closure, a right end closure and a spindle. The spindle is clamped and fixed between the left and right end closures and is distributed with a plurality of identical action sections along circumferential direction on cavity thereof; each action section comprises a front oil inlet area and a rear oil discharge area, wherein the spindle is provided with a main oil feed hole corresponding to each front oil inlet area; each rear oil discharging area is provided with a main oil discharge hole; the main oil feed hole and the communication opening in the cavity of the spindle cover the front oil feed area corresponding thereto; and the main oil discharge hole and the communication opening in the cavity of the spindle cover the rear oil discharge area corresponding thereto. The main oil /gas inlet and discharge holes are directly arranged on the spindle and the secondary oil/gas inlet and discharge holes are arranged on the left and right end closures, so that the internal oil/gas paths are complex, the leakage points are reduced; and the working reliability and stability of the vane pump/motor are improved.
Description
Technical field
The utility model relates to a kind of vane pump/motor.
Background technique
According to the structure difference, existing oil hydraulic pump and pneumatic pump can be divided into: gear pump, plunger pump, vane pump, wherein, advantage such as vane pump is little with its volume, volumetric efficiency is high, pressure pulsation is little is subjected to people's welcome.For sliding-vane motor, have also that volume is little, the volumetric efficiency advantages of higher.
The applicant at existing vane pump and sliding-vane motor have the low defective application of the limit delivery pressure patent No. be: the utility model patent of 200810147023.X, the patent No. are 200920105147.1 utility model patent.But the main filler opening of these vane pumps and sliding-vane motor, primary air inlet all are arranged on the end cap, by the oil-feed that is provided with on the end cap, the inner chamber that the gas passage is transported to oil, gas on spindle.This traditional oil circuit makes the internal structure complexity of vane pump and sliding-vane motor, and complicated oil circuit transmission can increase leakage point, thereby influences the working state of vane pump and sliding-vane motor, has limited its delivery pressure value.
The model utility content
Problem at existing vane pump and motor existence, the purpose of this utility model is to provide improved vane pump and motor on a kind of structure, compare with vane pump in the past, optimized that it advances, the oil extraction mode, simplified internal structure, make and its more stable work make limit delivery pressure be significantly improved.
For achieving the above object, a kind of vane pump/motor of the utility model, comprise left end cap, right end cap, spindle, spindle is clamped and fixed between the end cap of the left and right sides, the spindle inner chamber is along circumferentially being evenly equipped with several same acting section, and each acting section includes front end oil-feed district and rear end oil extraction district, wherein, all dispose main oil supply hole corresponding to each front end oil-feed district on the spindle, each oil extraction district, rear end all disposes main oil drainage hole; The connecting port of main oil supply hole and spindle inner chamber covers front end oil-feed corresponding with it district, and the connecting port of main oil drainage hole and spindle inner chamber covers oil extraction district, rear end corresponding with it.
Further, described left end cap and spindle inner chamber join on the surface, with each active chamber in the corresponding sector region in front end oil-feed district in be provided with several secondary oil supply holes into rotor blade groove bottom oil groove fuel feeding, be connected by the shallow slot that is arranged on its port between each secondary oil supply hole, this shallow slot circumferential covers the described sector region at its place, and the filler opening that is provided with on the described left end cap outer surface communicates with shallow slot; Described right end cap and spindle inner chamber join on the surface, with each active chamber in the corresponding sector region in oil extraction district, rear end in be provided with several secondary oil drainage holes for the oil extraction of rotor blade groove bottom oil groove, be connected by the shallow slot that is arranged on its port between each secondary oil drainage hole, this shallow slot circumferential covers the described sector region at its place, and the oil outlet that is provided with on the described right end cap outer surface communicates with shallow slot.
Further, the volume of the port shallow slot of described secondary oil supply hole increases gradually along the sense of rotation of rotor, and the volume of the port shallow slot of described secondary oil drainage hole reduces gradually along the sense of rotation of rotor.
Further, the inner of described main oil supply hole and main oil drainage hole is provided with the cloth oil pocket, and this cloth oil pocket covers described front end oil-feed district and rear end oil extraction district.
Further, the outer end of described filler opening and oil outlet is provided with along its circumferential outward extending mounting plane.
A kind of vane pump/motor of the utility model, comprise left end cap, right end cap, spindle, spindle is clamped and fixed between the end cap of the left and right sides, the spindle inner chamber is along circumferentially being evenly equipped with several same acting section, each acting section includes front end oil-feed district and rear end oil extraction district, wherein, all dispose main air vent corresponding to each front end air inlet area on the spindle, each rear end exhaust area all disposes the main exhaust hole; The connecting port of main air vent and spindle inner chamber covers front end air inlet area corresponding with it, and the connecting port of main exhaust hole and spindle inner chamber covers rear end corresponding with it exhaust area.
Further, described left end cap and spindle inner chamber join on the surface, with each active chamber in the corresponding sector region of front end air inlet area in be provided with several secondary air vents into rotor blade groove bottom vent slot air feed, be connected by the shallow slot that is arranged on its port between each secondary air vent, this shallow slot circumferential covers the described sector region at its place, and the suction port that is provided with on the described left end cap outer surface communicates with shallow slot; Described right end cap and spindle inner chamber join on the surface, with each active chamber in the corresponding sector region of rear end exhaust area in be provided with several secondary exhaust ports for the exhaust of rotor blade groove bottom vent slot, be connected by the shallow slot that is arranged on its port between each secondary exhaust port, this shallow slot circumferential covers the described sector region at its place, and the air outlet that is provided with on the described right end cap outer surface communicates with shallow slot.
Further, the volume of the port shallow slot of described secondary air vent increases gradually along the sense of rotation of rotor, and the volume of the port shallow slot of described secondary exhaust port reduces gradually along the sense of rotation of rotor.
Further, the inner in described main air vent and main exhaust hole is provided with the cloth air cavity, and this cloth air cavity covers described front end air inlet area and rear end exhaust area.
Further, the outer end of described suction port and air outlet is provided with along its circumferential outward extending mounting plane.
The utility model by main advance, oil extraction/pore directly is arranged on the spindle, pair is advanced, oil extraction/pore is arranged on the end cap of the left and right sides, make and its interior oil/gas circuit structure complexity reduced leakage point, improved the reliability and stability of the work of vane pump and sliding-vane motor.The utility model not only have volume little, simple in structure, be convenient to advantages such as assembling, volumetric efficiency height, output oil pressure (or air pressure) pulsation be little, and feedback pressure oil (or pressure gas) can effectively improve the delivery pressure of pump for blade provides back pressure, thereby makes vane pump satisfy the needs of high output oil pressure or pressure work occasion.
Description of drawings
Fig. 1 is the spindle plan view;
Fig. 2 be among Fig. 1 A-A to sectional view;
Fig. 3 be among Fig. 2 B-B to sectional view;
Fig. 4 is the left end cap plan view;
Fig. 5 is the left end cap left view;
Fig. 6 is the left end cap rear view;
Fig. 7 be among Fig. 4 C-C to sectional view;
Fig. 8 be among Fig. 7 D-D to sectional view;
Fig. 9 is the right end cap plan view;
Figure 10 is the right end cap right elevation;
Figure 11 is the right end cap rear view;
Figure 12 be among Fig. 9 E-E to sectional view;
Figure 13 be among Figure 12 F-F to sectional view.
Embodiment
Extremely shown in Figure 8 as Fig. 1, a kind of vane pump/motor of the utility model, comprise left end cap 1, right end cap 2, spindle 3, spindle 3 is clamped and fixed between the end cap of the left and right sides, the inner chamber 31 of spindle 3 is along circumferentially being evenly equipped with several same acting section, inner chamber 31 is symmetrically arranged with two acting sections in the present embodiment, be separated by by two arc sections 32 between two acting sections, each acting section is by arc section 33 and the curve transition 34 that is symmetricly set on its both sides, curve transition 35 constitutes, wherein curve transition 34 is similarly arc section, and with 33 tangent connections of arc section, except arc section, curve transition 34,35 also can adopt other forms of curve, as parabola.Curve transition 34,35 is by adopting different curves, can make inner chamber increase by required function or reduce at curve transition.Wherein curve transition 34 forms front end oil-feed district with the sector region that the center constituted of inner chamber 31, curve transition 35 forms oil extraction district, rear end with the sector region that the center constituted of inner chamber 31, and arc section 33 forms the intermediate equilibria district with the sector region that the center constituted of inner chamber 31.
All dispose main oil supply hole 4 corresponding to each front end oil-feed district on the spindle 3, each oil extraction district, rear end all disposes main oil drainage hole 5, and the inner of main oil supply hole 4 and main oil drainage hole 5 is provided with cloth oil pocket 6, and cloth oil pocket 6 covers described front end oil-feed district and rear end oil extraction district.Also the horn mouth shape can be arranged in the inner of main oil supply hole 4 and main oil drainage hole 5 in the practical application, perhaps increase the bore of main oil supply hole 4 and main oil drainage hole 5, as long as the inner of main oil supply hole 4 and main oil drainage hole 5 can cover its each self-corresponding zone.
The inner chamber 31 of left end cap 1 and spindle 3 joins on the surface, with each active chamber in the corresponding sector region in front end oil-feed district in be provided with several secondary oil supply holes 8 into rotor blade groove bottom oil groove fuel feeding, the aperture of each secondary oil supply hole 8 is identical, be connected by the shallow slot 9 that is arranged on its port between each secondary oil supply hole 8, shallow slot 9 circumferentially covers the sector region at its place, the filler opening 10 that is provided with on left end cap 1 outer surface, ring shaped oil passage 11 in filler opening 10 and the left end cap 1 joins, and each secondary oil supply hole 8 all communicates with ring shaped oil passage 11.Because of the radial dimension in front end oil-feed district strengthens from little gradually along the rotor rotation direction, make epitrochanterian blade in front end oil-feed district along with rotor rotation is protruding gradually, the chamber that its below is sealed strengthens gradually, in order to guarantee the reliable fuel feeding of chamber to the blade below, secondary oil supply hole 8 also should strengthen its fuel delivery in the past backward gradually, therefore, correspondingly the volume of shallow slot 9 is also along circumferentially strengthening gradually, so that the two mates mutually, simultaneously, for corresponding with the starting point in front end oil-feed district, the front end of shallow slot 9 has wedge angle.
What left end cap 1 was realized is to the chamber fuel feeding below the blade in the front end oil-feed district in the active chamber, what right end cap 2 need be finished then is with reliable discharge of oil in the blade below chamber in oil extraction district in rear end in the active chamber, therefore, extremely shown in Figure 13 as Fig. 9, the structure of right end cap 2 and left end cap 1 are basic identical, just need make the circumferential position of the shallow slot 14 that its inboard lip-deep secondary oil drainage hole 13 and port thereof be provided with, with suitable the getting final product of circumferential position of the secondary oil supply hole 8 and the shallow slot 9 of left end cap 1.
The inner chamber 31 of right end cap 2 and spindle 3 joins on the surface, with each active chamber in the corresponding sector region in oil extraction district, rear end in be provided with several secondary oil drainage holes 13 for the oil extraction of rotor blade groove bottom oil groove, the aperture of each secondary oil drainage hole 13 is identical, be connected by the shallow slot 14 that is arranged on its port between each secondary oil drainage hole 13, shallow slot 14 circumferentially covers the sector region at its place, the oil outlet 15 that is provided with on right end cap 2 outer surfaces, ring shaped oil passage 16 in oil outlet 15 and the right end cap 2 joins, and each secondary oil drainage hole 13 all communicates with ring shaped oil passage 16.Because of the radial dimension in rear end oil extraction district along the rotor rotation direction from reducing greatly gradually, make epitrochanterian blade in front end oil-feed district along with rotor rotation gradually inwardly the retraction, the chamber that its below is sealed reduces gradually, in order to guarantee the reliable oil extraction of chamber to the blade below, secondary oil drainage hole 13 also should reduce its oil drain quantity in the past backward gradually, therefore, correspondingly the volume of shallow slot 14 is also along circumferentially reducing gradually, so that the two mates mutually, simultaneously, for corresponding with the end point in rear end oil extraction district, the tail end of shallow slot 14 has wedge angle.Easy to connect for the outer end and the external equipment that make filler opening 10 and oil outlet 15, the outer end of filler opening 10 is provided with along its circumferential outward extending mounting plane 17, and the outer end of oil outlet 15 is provided with along its circumferential outward extending mounting plane 18.
The utility model advances, arranges big oilhole by the master of original end cap, has become several and has been arranged on that little master on the spindle advances, oil drainage hole, and easy arrangement has also been dwindled volume simultaneously.Make blade not have lateral force, reduced leakage.Flow by the left and right directions of original oil gas at pump and motor, become from the centre to both sides and flow, and flowing in both sides is again the mode that communication port footpath area increases, its flow process shortens, resistance reduces, avoid oil-feed vacuum and oil extraction resistance excessive, oil pressure does not increase, and more is useful for multiaction vane pump and motor.Left and right sides end cap pair is advanced the deploying oilhole and has been adopted compound oil distributing hole, under the situation that does not change end cap intensity, has also increased circulation area, has reduced resistance.
Above-mentioned described vane pump or motor replace to gas with working medium under the situation that does not change structure, promptly become pneumatic paddle pump or pneumatic motor.For text description is succinct, do not repeating foregoing here, just wherein relevant with gas medium name is called corresponding replacement.
Main oil supply hole 4--master air vent 4
Main oil drainage hole 5--main exhaust hole 5
The secondary air vent 8 of secondary oil supply hole 8--
Filler opening 10--suction port 10
Ring shaped oil passage 11--annular air channel 11
The secondary exhaust port 13 of secondary oil drainage hole 13--
Ring shaped oil passage 16--annular air channel 16
Claims (10)
1, a kind of vane pump/motor, comprise left end cap, right end cap, spindle, spindle is clamped and fixed between the end cap of the left and right sides, the spindle inner chamber is along circumferentially being evenly equipped with several same acting section, each acting section includes front end oil-feed district and rear end oil extraction district, it is characterized in that all dispose main oil supply hole corresponding to each front end oil-feed district on the spindle, each oil extraction district, rear end all disposes main oil drainage hole; The connecting port of main oil supply hole and spindle inner chamber covers front end oil-feed corresponding with it district, and the connecting port of main oil drainage hole and spindle inner chamber covers oil extraction district, rear end corresponding with it.
2, a kind of vane pump/motor as claimed in claim 1, it is characterized in that, described left end cap and spindle inner chamber join on the surface, with each active chamber in the corresponding sector region in front end oil-feed district in be provided with several secondary oil supply holes into rotor blade groove bottom oil groove fuel feeding, be connected by the shallow slot that is arranged on its port between each secondary oil supply hole, this shallow slot circumferential covers the described sector region at its place, and the filler opening that is provided with on the described left end cap outer surface communicates with shallow slot; Described right end cap and spindle inner chamber join on the surface, with each active chamber in the corresponding sector region in oil extraction district, rear end in be provided with several secondary oil drainage holes for the oil extraction of rotor blade groove bottom oil groove, be connected by the shallow slot that is arranged on its port between each secondary oil drainage hole, this shallow slot circumferential covers the described sector region at its place, and the oil outlet that is provided with on the described right end cap outer surface communicates with shallow slot.
3, a kind of vane pump/motor as claimed in claim 2 is characterized in that, the volume of the port shallow slot of described secondary oil supply hole increases gradually along the sense of rotation of rotor, and the volume of the port shallow slot of described secondary oil drainage hole reduces gradually along the sense of rotation of rotor.
4, a kind of vane pump/motor as claimed in claim 1 is characterized in that, the inner of described main oil supply hole and main oil drainage hole is provided with the cloth oil pocket, and this cloth oil pocket covers described front end oil-feed district and rear end oil extraction district.
5, a kind of vane pump/motor as claimed in claim 1 is characterized in that, the outer end of described filler opening and oil outlet is provided with along its circumferential outward extending mounting plane.
6, a kind of vane pump/motor, comprise left end cap, right end cap, spindle, spindle is clamped and fixed between the end cap of the left and right sides, the spindle inner chamber is along circumferentially being evenly equipped with several same acting section, each acting section includes front end oil-feed district and rear end oil extraction district, wherein, all dispose main air vent corresponding to each front end air inlet area on the spindle, each rear end exhaust area all disposes the main exhaust hole; The connecting port of main air vent and spindle inner chamber covers front end air inlet area corresponding with it, and the connecting port of main exhaust hole and spindle inner chamber covers rear end corresponding with it exhaust area.
7, a kind of vane pump/motor as claimed in claim 6, it is characterized in that, described left end cap and spindle inner chamber join on the surface, with each active chamber in the corresponding sector region of front end air inlet area in be provided with several secondary air vents into rotor blade groove bottom vent slot air feed, be connected by the shallow slot that is arranged on its port between each secondary air vent, this shallow slot circumferential covers the described sector region at its place, and the suction port that is provided with on the described left end cap outer surface communicates with shallow slot; Described right end cap and spindle inner chamber join on the surface, with each active chamber in the corresponding sector region of rear end exhaust area in be provided with several secondary exhaust ports for the exhaust of rotor blade groove bottom vent slot, be connected by the shallow slot that is arranged on its port between each secondary exhaust port, this shallow slot circumferential covers the described sector region at its place, and the air outlet that is provided with on the described right end cap outer surface communicates with shallow slot.
8, a kind of vane pump/motor as claimed in claim 7 is characterized in that, the volume of the port shallow slot of described secondary air vent increases gradually along the sense of rotation of rotor, and the volume of the port shallow slot of described secondary exhaust port reduces gradually along the sense of rotation of rotor.
9, a kind of vane pump/motor as claimed in claim 6 is characterized in that, the inner in described main air vent and main exhaust hole is provided with the cloth air cavity, and this cloth air cavity covers described front end air inlet area and rear end exhaust area.
10, a kind of vane pump/motor as claimed in claim 6 is characterized in that, the outer end of described suction port and air outlet is provided with along its circumferential outward extending mounting plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201600089U CN201412330Y (en) | 2009-06-15 | 2009-06-15 | vane pump/motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201600089U CN201412330Y (en) | 2009-06-15 | 2009-06-15 | vane pump/motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201412330Y true CN201412330Y (en) | 2010-02-24 |
Family
ID=41714214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201600089U Expired - Lifetime CN201412330Y (en) | 2009-06-15 | 2009-06-15 | vane pump/motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201412330Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010145435A1 (en) * | 2009-06-15 | 2010-12-23 | Hu Dongwen | Vane pump/motor |
| CN102748278A (en) * | 2009-06-15 | 2012-10-24 | 胡东文 | Vane pump/motor |
-
2009
- 2009-06-15 CN CN2009201600089U patent/CN201412330Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010145435A1 (en) * | 2009-06-15 | 2010-12-23 | Hu Dongwen | Vane pump/motor |
| CN102748278A (en) * | 2009-06-15 | 2012-10-24 | 胡东文 | Vane pump/motor |
| CN102748278B (en) * | 2009-06-15 | 2015-03-25 | 张树春 | Vane pump/motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100224 Effective date of abandoning: 20090615 |
|
| RGAV | Abandon patent right to avoid regrant |