CN203201787U - Leak type high pressure vane pump - Google Patents
Leak type high pressure vane pump Download PDFInfo
- Publication number
- CN203201787U CN203201787U CN 201320061837 CN201320061837U CN203201787U CN 203201787 U CN203201787 U CN 203201787U CN 201320061837 CN201320061837 CN 201320061837 CN 201320061837 U CN201320061837 U CN 201320061837U CN 203201787 U CN203201787 U CN 203201787U
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- Prior art keywords
- pump
- leaks
- oil
- vane
- distribution casing
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- 238000009826 distribution Methods 0.000 claims abstract description 59
- 238000003825 pressing Methods 0.000 claims abstract description 6
- 239000004519 grease Substances 0.000 claims description 9
- 238000005461 lubrication Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 230000001050 lubricating effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 93
- 239000002828 fuel tank Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000013475 authorization Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Details And Applications Of Rotary Liquid Pumps (AREA)
- Rotary Pumps (AREA)
Abstract
The utility model relates to a leak type high pressure vane pump which is designed to solve the technical problem that an existing similar product is poor in structural reliability and free from a leak structure. The vane pump comprises a pump body, a pump shaft, a stator, a rotor, a vane, an oil suction distribution disc and an oil pressing distribution disc. The pump body comprises a front cover and a rear cover. A vane slot spring hole is formed in the bottom of a vane slot. The vane is provided with a vane spring hole corresponding to the vane slot spring hole. Springs are arranged in the vane slot spring hole and the vane spring hole. According to the design key point, a lubricating slot communicated with the vane spring hole is arranged in the surface of the vane, and the oil suction distribution disc, the oil pressing distribution disc, the pump shaft and the rear cover are provided with leak runners. The pump provided by the utility model is simple in structure, high in reliability, small in noise and long in service life, can be suitable for demands of various high and low speed working conditions, and has the effects of saving energy and reducing emission and lowering the cost. The pump is suitable for being applied to hydraulic servo systems in various mechanical fields or structural improvement of similar products.
Description
Technical field
The utility model relates to vane pump, is a kind of formula high pressure vane pump that leaks.
Background technique
In the existing machinery field, the use of oil hydraulic pump is very widely, as is applied in plastic machine, die casting machinery, footwear leather machinery and textile manufacturing machine etc. and the actuating motor supporting hydraulic system or oil hydraulic pump, to reduce the energy loss that the high pressure throttling causes.Existing oil hydraulic pump mainly comprises gear pump, screw pump, plunger pump, vane pump, and wherein vane pump fails to be applied to preferably frequently switch in the hydraulic system of high and low rotating speed because being subjected to the rotating speed restriction.For this reason, notice of authorization CN201218202Y as the Chinese patent literature publication, April 8 2009 notice of authorization day, the model utility name is called " spring pin-type load vane pump ", it comprises the pump housing, stator, rotor, blade, spring, pin, suck oil distribution casing and extrude oil distribution casing, the bottom of every radial groove is provided with column pin hole, be provided with the pin that can radially move back and forth in the column pin hole, the spring that radial elastic power can be provided is set between the bottom of blade and radial groove, also be formed with the oily annular grease chamber that can flow into of output of this spring pin-type load vane pump on rotor, annular grease chamber communicates with column pin hole.Adopt the vane pump of said structure, realized vane pump frequent requirement of switching between low speed, middling speed, high speed, make that the using scope of vane pump is more extensive.But still there is defective in the disclosed vane pump structure of above-mentioned document, as: leaf spring groove and spring are under long term, and wearing and tearing cause the reliability variation easily; Because structure does not arrange the structure that leaks accordingly, cause the inner leakage under high temperature oil that occurs of vane pump in pump, to circulate always, can't discharge, the oil temperature in the pump is constantly raise, not only can cause noise, and influence the proper functioning of pump.For this reason, existing vane pump structure is still waiting to improve.
Summary of the invention
For overcoming above-mentioned deficiency, the purpose of this utility model is that a kind of formula high pressure vane pump that leaks is provided to related domain, it is not good enough to make it solve existing like product structural reliability, does not have the structure that leaks, and the technical problem that blade comes to nothing during like product low speed, the pump case temperature rise is fast.Its objective is and be achieved through the following technical solutions.
A kind of formula high pressure vane pump that leaks, this vane pump comprises the pump housing, pump shaft, stator, rotor, blade, oil suction oil distribution casing, presses oily oil distribution casing, the pump housing comprises protecgulum and bonnet, stator places in the pump housing, oil suction oil distribution casing, the oily oil distribution casing of pressure place pump housing inner stator both sides, be provided with the rotor that connects pump shaft in the stator, rotor radial connects blade by the blade groove that is provided with, and blade and stator inner ring curved surface offset; At the oil suction oil distribution casing, press between oily oil distribution casing, stator, rotor and the two adjacent blades to form with rotor and rotate and the oil pocket of cavity volume generation size variation; The blade groove bottom is provided with the blade groove spring eye, and blade is provided with the leaf spring hole corresponding with the blade groove spring eye, is provided with spring in blade groove spring eye and leaf spring hole.Its structure outline is that described blade surface is provided with the lubrication groove that communicates with described leaf spring hole.By this lubrication groove is set, not only make to form between blade and the rotor vane groove and lubricate, simultaneously the leaf spring hole is lubricated, be conducive to reduce noise, improve structural reliability, increase the service life.
Described blade groove bottom is provided with column pin hole, be provided with pin in the column pin hole, pin and described blade place the end in the blade groove to offset, be provided with the annular grease chamber that communicates with column pin hole in the described rotor, the rotor both sides are provided with the inclined hole that leads to annular grease chamber, described oil suction oil distribution casing is provided with first annular oil groove that communicates with described rotor one skew back hole, first annular oil groove communicates with oil suction oil distribution casing hyperbaric chamber, the oily oil distribution casing of described pressure is provided with second annular oil groove that communicates with described rotor opposite side inclined hole, and second annular oil groove communicates with pressing oily oil distribution casing hyperbaric chamber.After first annular oil groove, second circular groove were set, hydraulic oil entered in the column pin hole from annular oil groove, inclined hole all the time, and it is more reliable that pin and blade are offseted, thereby improved the ability that vane pump adapts to various high and low rotating speeds.
Described oil suction oil distribution casing connects and is provided with first runner that leaks in the axis hole of described pump shaft, the oily oil distribution casing of described pressure connects and is provided with second runner that leaks in the axis hole of described pump shaft, the 3rd runner that leaks that described pump shaft center is provided with that an end communicates with the pump shaft end, the other end communicates with the pump shaft side, the earial drainage road all round that is covered with that an end communicates with middle part in bonnet exterior, the other end and the bonnet after described; Described all round earial drainage road and described first runner that leaks communicate, first runner that leaks communicates by the 3rd runner and described second runner that leaks that leaks.Described bonnet all round the earial drainage road be cross, namely all round the earial drainage road be provided with four outer drain ports that lead to the bonnet outside.By above-mentioned runner and the outer drain port of leaking, make that the leakage under high temperature oil in the vane pump can be back to fuel tank along the runner that leaks, realize the purpose that leakage under high temperature oil is discharged fast.
According to the said structure feature, its using method: be covered with the runner that leaks behind described pump shaft, oil suction oil distribution casing, the oily oil distribution casing of pressure and the pump housing; The spring of blade groove bottom ejects blade, and the end face of blade is close to inner surface of stator, and the cylindrical of two adjacent blades, inner surface of stator, rotor reaches both sides oil suction oil distribution casing, presses several sealed volumes of formation between the oily oil distribution casing; When axle rotates, since the curved profile of stator inner surface, the variation of the volume generating period of described sealed volume; Namely when the volume of sealed volume increases, form negative pressure, atmospheric pressure is pressed into the oil in the fuel tank from oil sucking window, be oil-absorbing process; When the volume of sealed volume reduced, the oil that has more was forced out from the oil extraction window, was the oil extraction process.
The above-mentioned runner that leaks is: the described runner that leaks be first of oil suction oil distribution casing leak runner, press second of oily oil distribution casing leak the passage that constitutes of earial drainage road all round of runner, the pump housing of the 3rd of runner, pump shaft that leaks; Be covered with the mouth that leaks behind the pump housing, the oil that leaks in the pump housing is back to fuel tank along leak runner and outer drain port, i.e. leakage under high temperature oil during tick-over is directly got back to fuel tank through the runner that leaks.
The utility model structure is comparatively simple, the reliability height, noise is little, long service life, can adapt to the requirement of various high, low speed operating modes, and the effect that have energy-saving and emission-reduction, reduces cost is fit to be applied in the Hydrauservo System of all kinds of mechanical fields such as plastic machine, footwear leather machinery, die casting are mechanical, textile manufacturing machine, or the architecture advances of like product.
Description of drawings
Fig. 1 is sectional structure schematic representation one of the present utility model.
Fig. 2 is sectional structure schematic representation two of the present utility model.
Fig. 3 is the utility model blade structure schematic representation, has made A-A among the figure and has analysed and observe.
Fig. 4 is the A-A sectional structure schematic representation of Fig. 3.
Fig. 5 is rotor structure schematic representation of the present utility model, has made B-B among the figure and has analysed and observe.
Fig. 6 is the B-B sectional structure schematic representation of Fig. 5.
Fig. 7 is oil suction oil distribution casing structural representation of the present utility model, has made C-C among the figure and has analysed and observe.
Fig. 8 is the C-C sectional structure schematic representation of Fig. 7.
Fig. 9 is the oily oil distribution casing structural representation of pressure of the present utility model, has made D-D among the figure and has analysed and observe.
Figure 10 is the D-D sectional structure schematic representation of Fig. 9.
Figure 11 is pump shaft structural representation of the present utility model, has done among the figure partly to analyse and observe.
Figure 12 is bonnet sectional structure schematic representation of the present utility model, has made E-E among the figure and has analysed and observe.
Figure 13 is the E-E sectional structure schematic representation of Figure 12.
The name of sequence number is called among the figure: 1, the pump housing, 101, protecgulum, 102, bonnet, 103, the earial drainage road all round, 104, cavity, 2, pump shaft, 201, the 3rd runner that leaks, 3, stator, 4, rotor, 401, the annular grease chamber, 402, inclined hole, 403, blade groove, 404, column pin hole, 405, the blade groove spring eye, 5, blade, 501, the leaf spring hole, 502, lubrication groove, 6, the oil suction oil distribution casing, 601, oil suction oil distribution casing hyperbaric chamber, 602, first annular oil groove, 603, first runner that leaks, 7, press oily oil distribution casing, 701, press oily oil distribution casing hyperbaric chamber, 702, second annular oil groove, 703, second runner that leaks, 8, pin, 9, spring.
Embodiment
Now by reference to the accompanying drawings, the utility model is further described.
As shown in the figure, this formula high pressure vane pump that leaks comprises the pump housing 1, pump shaft 2, stator 3, rotor 4, blade 5, oil suction oil distribution casing 6, presses oily oil distribution casing 7, pin 8, spring 9, the pump housing is made of protecgulum 101 and bonnet 102, stator is fixed in the chamber of protecgulum, bonnet formation, and the stator inner ring is provided with the curved surface that curvature changes.Oil suction oil distribution casing, the oily oil distribution casing of pressure are fixed in pump housing inner stator both sides, the face that oil suction oil distribution casing and rotor offset is provided with first annular oil groove 602, first annular oil groove communicates with oil suction oil distribution casing hyperbaric chamber 601, the face of pressing oily oil distribution casing and rotor to offset is provided with second annular oil groove, 702, the second annular oil grooves and communicates with pressing oily oil distribution casing hyperbaric chamber 701.Be provided with the rotor that connects pump shaft by spline in the stator, rotor radial is provided with equally distributed blade groove 403, connects the blade that blade groove relatively reciprocatingly slides by blade groove.The blade groove bottom is provided with column pin hole 404 and places the column pin hole both sides to be the blade groove spring eye 405 of symmetrical distribution, be provided with the pin that offsets with the blade activity in the column pin hole, the rotor middle part is provided with the annular grease chamber 401 that communicates with column pin hole, the rotor both sides are respectively equipped with the inclined hole 402 that leads to annular grease chamber, wherein an inclined hole communicates with above-mentioned first annular oil groove, and another inclined hole communicates with above-mentioned second annular oil groove.The blade bottom is provided with the leaf spring hole 501 corresponding with the blade groove spring eye, both sides, leaf spring hole are provided with the lubrication groove 502 that communicates with blade surface and be symmetrical distribution, top, leaf spring hole communicates with edge, blade top by a through hole, in blade groove spring eye and leaf spring hole, be provided with spring, make vane tip and stator inner ring curved surface keep offseting by this spring.At the oil suction oil distribution casing, press between oily oil distribution casing, stator, rotor and the two adjacent blades to form with rotor and rotate and the oil pocket of cavity volume generation size variation.
Except said structure, the utility model also is provided with the structure that leaks, be specially: the oil suction oil distribution casing connects and to be provided with first runner 603 that leaks in the axis hole of pump shaft, press oily oil distribution casing to connect to be provided with in the axis hole of pump shaft second runner 703 that leaks, the 3rd runner 201 that leaks that the pump shaft center is provided with that an end communicates with the pump shaft end, the other end communicates with the pump shaft side, after be covered with that the middle part communicates in an end and bonnet exterior, the other end and the bonnet the earial drainage road 103 all round, the middle part is provided with and the axis hole, first at the oil suction oil distribution casing middle part cavity that the runner sealing communicates that leaks in the bonnet.The pass of respectively leaking between the runner is: all round earial drainage road and first runner that leaks communicate, first runner that leaks communicates by the 3rd runner and second runner that leaks that leaks.When stator and oil suction oil distribution casing, press when producing leakage of oil between the oily oil distribution casing, leaking oil can be through above-mentioned first runner, second runner, the 3rd runner that leaks that leaks that leaks, finally by all round the earial drainage road be back to the fuel tank of vane pump outside.
Claims (4)
1. formula high pressure vane pump that leaks, this vane pump comprises the pump housing (1), pump shaft (2), stator (3), rotor (4), blade (5), oil suction oil distribution casing (6), presses oily oil distribution casing (7), the pump housing comprises protecgulum (101) and bonnet (102), stator places in the pump housing, oil suction oil distribution casing, the oily oil distribution casing of pressure place pump housing inner stator both sides, be provided with the rotor that connects pump shaft in the stator, rotor radial connects blade by the blade groove (403) that is provided with, and blade and stator negative camber offset; At the oil suction oil distribution casing, press between oily oil distribution casing, stator, rotor and the two adjacent blades to form with rotor and rotate and the oil pocket of cavity volume generation size variation; The blade groove bottom is provided with blade groove spring eye (405), and blade is provided with the leaf spring hole (501) corresponding with the blade groove spring eye, is provided with spring (9) in blade groove spring eye and leaf spring hole; It is characterized in that described blade (5) surface is provided with the lubrication groove (502) that communicates with described leaf spring hole (501).
2. according to the described formula high pressure vane pump that leaks of claim 1, it is characterized in that described blade groove (403) bottom is provided with column pin hole (404), be provided with pin (8) in the column pin hole, pin and described blade (5) place the end in the blade groove to offset, be provided with the annular grease chamber (401) that communicates with column pin hole in the described rotor (4), the rotor both sides are provided with the inclined hole (402) that leads to annular grease chamber, described oil suction oil distribution casing (6) is provided with first annular oil groove (602) that communicates with described rotor one skew back hole, first annular oil groove communicates with oil suction oil distribution casing hyperbaric chamber (601), the oily oil distribution casing of described pressure (7) is provided with second annular oil groove (702) that communicates with described rotor opposite side inclined hole, and second annular oil groove communicates with pressing oily oil distribution casing hyperbaric chamber (701).
3. according to the described formula high pressure vane pump that leaks of claim 1, it is characterized in that described oil suction oil distribution casing (6) connects is provided with first runner (603) that leaks in the axis hole of described pump shaft (2), the oily oil distribution casing of described pressure (7) connects and to be provided with second runner (703) that leaks in the axis hole of described pump shaft, the earial drainage road (103) all round that the 3rd runner (201) that leaks that described pump shaft center is provided with that an end communicates with the pump shaft end, the other end communicates with the pump shaft side, described bonnet (102) are provided with that an end communicates with middle part in bonnet exterior, the other end and the bonnet; Described all round earial drainage road and described first runner that leaks communicate, first runner that leaks communicates by the 3rd runner and described second runner that leaks that leaks.
4. according to the described formula high pressure vane pump that leaks of claim 3, it is characterized in that described bonnet (102) all round earial drainage road (103) be cross, namely all round the earial drainage road be provided with four outer drain ports that lead to the bonnet outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320061837 CN203201787U (en) | 2013-02-04 | 2013-02-04 | Leak type high pressure vane pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320061837 CN203201787U (en) | 2013-02-04 | 2013-02-04 | Leak type high pressure vane pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203201787U true CN203201787U (en) | 2013-09-18 |
Family
ID=49145900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320061837 Expired - Fee Related CN203201787U (en) | 2013-02-04 | 2013-02-04 | Leak type high pressure vane pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203201787U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089615A (en) * | 2013-02-04 | 2013-05-08 | 孙国校 | Leakage type high-pressure vane pump and its use method |
| CN108425841A (en) * | 2018-05-31 | 2018-08-21 | 马长永 | Rotor and hydraulic pump with the rotor |
| CN108716488A (en) * | 2018-05-28 | 2018-10-30 | 哈尔滨理工大学 | A kind of novel vane type continuous rotary electrohydraulic servo motor valve plate |
| CN111828310A (en) * | 2020-07-21 | 2020-10-27 | 安徽理工大学 | A radial special-shaped piston pump with vane features and its working method |
| WO2024174491A1 (en) * | 2023-02-23 | 2024-08-29 | 台州弘一液压伺服科技有限公司 | Energy-saving vane pump capable of maintaining pressure at low speed |
-
2013
- 2013-02-04 CN CN 201320061837 patent/CN203201787U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089615A (en) * | 2013-02-04 | 2013-05-08 | 孙国校 | Leakage type high-pressure vane pump and its use method |
| CN103089615B (en) * | 2013-02-04 | 2015-08-12 | 宁波威克斯液压有限公司 | The formula that leaks high pressure vane pump and using method thereof |
| CN108716488A (en) * | 2018-05-28 | 2018-10-30 | 哈尔滨理工大学 | A kind of novel vane type continuous rotary electrohydraulic servo motor valve plate |
| CN108716488B (en) * | 2018-05-28 | 2020-09-22 | 哈尔滨理工大学 | A new type of valve plate for continuous rotary electro-hydraulic servo motor |
| CN108425841A (en) * | 2018-05-31 | 2018-08-21 | 马长永 | Rotor and hydraulic pump with the rotor |
| CN111828310A (en) * | 2020-07-21 | 2020-10-27 | 安徽理工大学 | A radial special-shaped piston pump with vane features and its working method |
| CN111828310B (en) * | 2020-07-21 | 2021-06-29 | 安徽理工大学 | A radial special-shaped piston pump with vane features and its working method |
| WO2024174491A1 (en) * | 2023-02-23 | 2024-08-29 | 台州弘一液压伺服科技有限公司 | Energy-saving vane pump capable of maintaining pressure at low speed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Fan Jitian Inventor before: Sun Guoxiao Inventor before: Ye Yutang Inventor before: Zheng Zungang |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: SUN GUOXIAO YE YUTANG ZHENG ZUNGANG TO: FAN JITIAN |
|
| 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: 20130918 Termination date: 20160204 |