CN2292923Y - Rotary pump - Google Patents
Rotary pump Download PDFInfo
- Publication number
- CN2292923Y CN2292923Y CN 96221897 CN96221897U CN2292923Y CN 2292923 Y CN2292923 Y CN 2292923Y CN 96221897 CN96221897 CN 96221897 CN 96221897 U CN96221897 U CN 96221897U CN 2292923 Y CN2292923 Y CN 2292923Y
- Authority
- CN
- China
- Prior art keywords
- utility
- model
- pump
- opening
- oil
- 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
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- Hydraulic Motors (AREA)
Abstract
The utility model provides a blade plug pump, which is composed of a pump body whose inner part is provided with a hollow cavity, a cylinder cover connected with the pump body and a cylinder bottom. The utility model is characterized in that the inner part of the hollow cavity is provided with blade plugs and a rotary axle with an opening. The inner structure of the utility model is simple and is only provided with two blade plugs and the rotary axle with an opening arranged between the blade plugs. Thus the volume of the pump body can be reduced, the reliability and the stability of the work are guaranteed. The utility model has low requirements on the oil quality, easy maintenance, long service life, wide application pressure ranges, stable transmission and high efficiency. The utility model can be used as an oil pump and can be also used as an oil motor.
Description
The utility model relates to a kind of oil hydraulic pump, especially a kind of positive displacement leaf piston hydraulic pump.
Hydraulic transmission can be transmitted energy or power by means of the pressure that is in the liquid in the sealed volume.Oil pump or oil motor are indispensable dynamic components in the hydraulic transmission, and they all are that variation by sealed volume sucks fluid or extrude, thereby realize energy transfer.In the prior art, volumetric oil pump mainly contains gear pump, vane pump, and plunger pump etc., they are had relatively high expectations to oil, and functional reliability is poor, is difficult to maintaining, inefficiency or the like.
The purpose of this utility model is to provide a kind of high working efficiency, and reliable performance is to the less demanding leaf plug of oil oil pump.
The utility model is such: it is by the pump housing that is provided with cavity in it, and cylinder cap that is connected with the pump housing and cylinder bottom formation, it is characterized in that being provided with in the cavity rotating shaft of Ye Sai and band opening, make cavity be separated into upper cylinder half and play cylinder, its middle period plug is by blade and be attached thereto the plug axle that connects and constitute, and described leaf plug be located at respectively about in two cylinders, and do in the same way and rotate, the rotating shaft of band opening is located between two cylinders, and it turns to the switched in opposite with the leaf plug, and the cross section of this rotating shaft is
The line setting vertically of shape, opening.
The utility model compared with prior art has following advantage: because its internal structure is simple, the rotating shaft of two leaf plugs and band opening is therebetween only arranged, pump housing volume is reduced, guarantee the reliability and stability of work, and it is less demanding to oil, very easily maintaining, long service life, it is wide to be suitable for pressure range, stable drive, efficient height, the utility model can be made oil pump and use, and also can make oil motor simultaneously and use.
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the A-A sectional view of the utility model.
Below in conjunction with accompanying drawing the utility model is further described.
1 is the pump housing among the figure, cavity in it is made as up and down two cylinders 2 and 6 respectively, be respectively equipped with leaf plug 8 in two cylinders up and down, described leaf plug 8 is inlayed by welding or fluting by blade 7 and plug axle 9 and is formed by connecting, the two ends of plug axle 9 are supported on the cylinder cap 14 and cylinder bottom 24 of the pump housing by bearing 15 and 22 respectively, be provided with the rotating shaft 4 of band opening 11 between two cylinders 2 and 6 in the pump housing 1, this opening 11 line setting vertically is the cross section of axle
Shape, this opening rotating shaft is supported on cylinder cap 14 and the cylinder bottom 24 by bearing 16 and 21, the face that the opening rotating shaft contacts with cylinder cap, cylinder bottom is provided with groove 18, be used to reduce friction therebetween, 17 is oil sealing, and 19 for pin is used for being connected with motor with retarder, and 20 is fastening bolt, 23 is gland, and cylinder cap 14 and cylinder bottom 24 all are fixed on the pump housing 1 by bolt 13; The plug axle of Ye Sai and opening rotating shaft respectively with retarder, motor is connected, and make it to do constant speed drive, and the plug axle of leaf plug is by rotating along the inserting needle direction, the opening rotating shaft is rotated counterclockwise synchronously, when blade 7 turns over inlet port 12, the opening 11 of opening rotating shaft 4 produces upper cylinder, opening rotating shaft this moment and leaf plug axle are tangent, along with continuous rotation, by the opening rotating shaft, the volume volume that casing wall and Ye Sai form constantly increases, and produces the region of no pressure, at fluid under the barometric pressure effect in oil-sucking hole 12 suction cylinders, cylinder is interior by the leaf plug simultaneously, another fluid volume volume that casing wall and opening rotating shaft constitute constantly dwindles, and fluid is extruded through pressing oilhole 3; The working principle and the upper cylinder half of following cylinder are identical, and fluid sucks from oil-sucking hole 10, and from pressing oilhole 5 to extrude, so alternation realizes hydraulic transmission again.
Claims (3)
1, a kind of Rotary pump is made of the pump housing that is provided with cavity in it and the cylinder cap that is connected with the pump housing and cylinder bottom, it is characterized in that being provided with in the cavity rotating shaft of Ye Sai and band opening.
2, Rotary pump according to claim 1 is characterized in that Ye Sai by blade be attached thereto the plug axle that connects and constitute, and the leaf plug is located at respectively up and down in two cylinders.
3, Rotary pump according to claim 1 is characterized in that being located at up and down between two cylinders with the rotating shaft of opening, opening line setting vertically, and its cross section is
Shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96221897 CN2292923Y (en) | 1996-09-06 | 1996-09-06 | Rotary pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96221897 CN2292923Y (en) | 1996-09-06 | 1996-09-06 | Rotary pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2292923Y true CN2292923Y (en) | 1998-09-30 |
Family
ID=33901649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96221897 Expired - Fee Related CN2292923Y (en) | 1996-09-06 | 1996-09-06 | Rotary pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2292923Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103696961A (en) * | 2013-12-30 | 2014-04-02 | 南京航空航天大学 | Birotor opposite rotating compressor |
-
1996
- 1996-09-06 CN CN 96221897 patent/CN2292923Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103696961A (en) * | 2013-12-30 | 2014-04-02 | 南京航空航天大学 | Birotor opposite rotating compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |