CN207906071U - A kind of double eccentric roller pumps - Google Patents
A kind of double eccentric roller pumps Download PDFInfo
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- CN207906071U CN207906071U CN201820220994.1U CN201820220994U CN207906071U CN 207906071 U CN207906071 U CN 207906071U CN 201820220994 U CN201820220994 U CN 201820220994U CN 207906071 U CN207906071 U CN 207906071U
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- rotor
- slide plate
- spring
- double eccentric
- roller pumps
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Abstract
The utility model discloses a kind of double eccentric rollers to pump, and is mainly made of fluid cylinder, rotor one, rotor two, eccentric shaft one, eccentric shaft two, slide plate one, slide plate two, liquid sucting port, leakage fluid dram, spring.It is divided into two symmetrical cavitys inside the fluid cylinder, centre is equipped with sliding vane groove；It is provided with liquid sucting port on the upside of the fluid cylinder；It is provided with leakage fluid dram on the downside of the fluid cylinder；The spring is arranged in sliding vane groove, and left and right ends are separately connected the end of slide plate one and slide plate two；One left side of the slide plate is in close contact with rotor one；Two right side of the slide plate is in close contact with rotor two；The eccentric shaft one connects rotor one, and drives the rotor one along inboard wall of cylinder block eccentric rotary；The eccentric shaft two connects rotor two, and drives the rotor two along inboard wall of cylinder block eccentric rotary；The working media enters from liquid sucting port, leakage fluid dram output.Double eccentric rollers pump that the utility model provides, solves vibration problems when single lobe pump work, improves the working life of pump well.
Description
Technical field
The utility model belongs to liquid pump technical field more particularly to a kind of double eccentric roller pumps.
Background technology
Impeller pump includes mainly the components such as fluid cylinder, rotor, eccentric shaft, slide plate and end cap.Wherein, rotor is on eccentric shaft
It is rotated along fluid cylinder inner wall, forms the working chamber of a crescent between fluid cylinder.Slide plate is arranged in sliding vane groove, head and rotor
It is in close contact, crescent working chamber is divided into two parts, and slide plate is reciprocating along slide plate conduit with the rotation of rotor.
End cap is placed in fluid cylinder both ends, and such end cap constitutes closed fluid cylinder with fluid cylinder inner wall, rotor outer wall, point of contact and slide plate to be held
Product.
Since rotor revolution speed is higher, and working medium mass of medium is larger, and rotor is done under the drive of eccentric shaft in fluid cylinder
The eccentric rotary of high speed causes compressor vibrations very big.Impeller pump long-term work easily occurs tired under the operating condition of strong motion
Labor, which is destroyed, reduces working life.
Invention content
The purpose of the utility model is to overcome the above-mentioned problems of the prior art, and provide a kind of double eccentric rollers
Pump, double eccentric rollers pump are symmetrically installed using two rotors and two slide plates, and two rotors, which synchronize, when pump work does reversed turn
Dynamic, offset each other vibrations.
The utility model solves technical problem and adopts the following technical scheme that：
A kind of double eccentric roller pumps, including fluid cylinder, rotor one, rotor two, eccentric shaft one, eccentric shaft two, slide plate one, slide plate
Two, liquid sucting port, leakage fluid dram, spring, working media；It is divided into two symmetrical cavitys inside the fluid cylinder, centre is equipped with sliding vane groove；
It is provided with liquid sucting port on the upside of the fluid cylinder；It is provided with leakage fluid dram on the downside of the fluid cylinder；The spring is arranged in sliding vane groove, left
Right both ends are separately connected the end of slide plate one and slide plate two；One left side of the slide plate is in close contact with rotor one；The slide plate two
Right side is in close contact with rotor two；The eccentric shaft one connects rotor one, and the rotor one is driven to turn along inboard wall of cylinder block bias
It is dynamic；The eccentric shaft two connects rotor two, and drives the rotor two along inboard wall of cylinder block eccentric rotary；The working media is from suction
Liquid mouth enters, leakage fluid dram output.
Spring described above is using the larger spring of elastic force.
Rotor one and rotor two described above rotate backward.
Slide plate one and slide plate two described above reciprocatingly slide in sliding vane groove, and glide direction is opposite.
Liquid sucting port described above is divided to two cavitys of two-way and left and right to be connected to.
Leakage fluid dram described above is divided to two cavitys of two-way and left and right to be connected to.
The working media of double eccentric roller pumps described above is liquid or gas-liquid two-phase flow medium.
Further, the spring is using the smaller spring of the elastic force for only providing pretightning force.
Rotor one and rotor two described above rotate in same direction.
Slide plate one and slide plate two described above reciprocatingly slide in sliding vane groove, and glide direction is identical.
Double eccentric rollers pump that the utility model provides, solves vibration problems when single lobe pump work, carries well
The high working life of pump.
Description of the drawings
Fig. 1 is the first embodiment schematic diagram of double eccentric roller pumps.
Fig. 2 is the first embodiment schematic diagram of double eccentric roller pumps.
In figure：（1）Fluid cylinder；（21）Rotor one；（22）Rotor two；（31）Eccentric shaft one；（32）Eccentric shaft two；（41）Slide plate
One；（42）Slide plate two；（5）Liquid sucting port；（6）Leakage fluid dram；（7）Spring.
Specific implementation mode
Fig. 1 show a kind of first embodiment schematic diagram of double eccentric roller pumps, including fluid cylinder 1, rotor 1, rotor two
22, eccentric shaft 1, eccentric shaft 2 32, slide plate 1, slide plate 2 42, liquid sucting port 5, leakage fluid dram 6, spring 7, working media.Liquid
It is divided into two symmetrical cavitys inside cylinder 1, centre is equipped with sliding vane groove.1 upside of fluid cylinder is provided with liquid sucting port 5, divides two-way and left and right
Two cavity connections；Downside is provided with leakage fluid dram 6, and two cavitys of two-way and left and right is divided to be connected to.Eccentric shaft 1 connects rotor one
21, and drive the rotor 1 along inboard wall of cylinder block eccentric rotary；Eccentric shaft 2 32 connects rotor 2 22, and drives the rotor
2 22 along inboard wall of cylinder block eccentric rotary.Rotor 1 and rotor 2 22 are inverted running, one 21 counterclockwise movement of rotor, rotor two
22 clockwise movements.Spring 7 is arranged in sliding vane groove, and left and right ends are separately connected the end of slide plate 1 and slide plate 2 42,
One 41 left side of slide plate is in close contact with rotor 1, and 2 42 right side of slide plate is in close contact with rotor 2 22.Working media is from upside
Liquid sucting port 5 is divided to two-way to respectively enter two cavitys after sucking, and downside leakage fluid dram 6 is delivered under the action of rotor rotates and is discharged；
The liquid sucting port 5 of wherein left and right sides cavity is respectively positioned on upside, and leakage fluid dram 6 is respectively positioned on downside.Spring 7 in sliding vane groove should use bullet
The larger spring 7 of power passes through two slide plates to reciprocatingly slide round about of stretching and compressed fit of itself, it is ensured that slide plate with
It is in close contact between rotor.Working media is liquid or gas-liquid two-phase flow medium.
Fig. 2 show a kind of second embodiment schematic diagram of double eccentric roller pumps, including fluid cylinder 1, rotor 1, rotor two
22, eccentric shaft 1, eccentric shaft 2 32, slide plate 1, slide plate 2 42, liquid sucting port 5, leakage fluid dram 6, spring 7, working media.Liquid
It is divided into two symmetrical cavitys inside cylinder 1, centre is equipped with sliding vane groove.1 upside of fluid cylinder is provided with liquid sucting port 5, divides two-way and left and right
Two cavity connections；Downside is provided with leakage fluid dram 6, and two cavitys of two-way and left and right is divided to be connected to.Eccentric shaft 1 connects rotor one
21, and drive the rotor 1 along inboard wall of cylinder block eccentric rotary；Eccentric shaft 2 32 connects rotor 2 22, and drives the rotor
2 22 along inboard wall of cylinder block eccentric rotary.Rotor 1 and rotor 2 22 are counterclockwise movement in the same direction.Spring 7 is arranged in sliding vane groove
Interior, left and right ends are separately connected the end of slide plate 1 and slide plate 2 42, and one 41 left side of slide plate is in close contact with rotor 1,
2 42 right side of slide plate is in close contact with rotor 2 22.Working media is divided to two-way to respectively enter two cavitys after the sucking of liquid sucting port 5,
The discharge of leakage fluid dram 6 is delivered under the action of rotor rotates；The liquid sucting port 5 of wherein left side cavity is located at upside, and leakage fluid dram 6 is located at
The liquid sucting port 5 of downside, right side cavity is located at downside, and leakage fluid dram 6 is located at upside.Due to two rotor level sides in rotation process
To displacement difference it is different, the smaller spring 7 of the elastic force of one offer pretightning force of setting between the slide plate that need to be in the same direction slided at two
Carry out compensation level displacement difference, it is ensured that be in close contact between slide plate and rotor.Working media is liquid or gas-liquid two-phase flow medium.
Herein, the involved nouns of locality such as left and right, upper and lower are to be located in figure with parts in attached drawing and zero
Part mutual position defines, only for the purpose of expressing the technical solution clearly and conveniently.It should be appreciated that the noun of locality
Use should not limit the claimed range of the application.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of double eccentric roller pumps, which is characterized in that including fluid cylinder, rotor one, rotor two, eccentric shaft one, eccentric shaft two, slide
Piece one, slide plate two, liquid sucting port, leakage fluid dram, spring, working media；It is divided into two symmetrical cavitys inside the fluid cylinder, centre is set
There is sliding vane groove；It is provided with liquid sucting port on the upside of the fluid cylinder；It is provided with leakage fluid dram on the downside of the fluid cylinder；The spring is arranged in slide plate
In slot, left and right ends are separately connected the end of slide plate one and slide plate two；One left side of the slide plate is in close contact with rotor one；Institute
Two right side of slide plate is stated to be in close contact with rotor two；The eccentric shaft one connects rotor one, and drives the rotor one along cylinder body
Wall eccentric rotary；The eccentric shaft two connects rotor two, and drives the rotor two along inboard wall of cylinder block eccentric rotary；The work
Medium enters from liquid sucting port, leakage fluid dram output.
2. a kind of double eccentric roller pumps according to claim 1, which is characterized in that the spring is using the larger bullet of elastic force
Spring.
3. a kind of double eccentric roller pumps according to claim 1 or 2, which is characterized in that the rotor one and rotor two are anti-
To rotation.
4. a kind of double eccentric roller pumps according to claim 1 or 2, which is characterized in that the slide plate one and slide plate two exist
It reciprocatingly slides in sliding vane groove, and glide direction is opposite.
5. a kind of double eccentric roller pumps according to claim 1, which is characterized in that the spring is using only offer pretightning force
The smaller spring of elastic force.
6. a kind of double eccentric roller pumps according to claim 1 or 5, which is characterized in that the rotor one and rotor two are same
To rotation.
7. a kind of double eccentric roller pumps according to claim 1 or 5, which is characterized in that the slide plate one and slide plate two exist
It reciprocatingly slides in sliding vane groove, and glide direction is identical.
8. a kind of double eccentric rollers pump according to claim 1,2 or 5, which is characterized in that the liquid sucting port divide two-way with
The cavity connection of left and right two.
9. a kind of double eccentric rollers pump according to claim 1,2 or 5, which is characterized in that the leakage fluid dram divide two-way with
The cavity connection of left and right two.
10. a kind of double eccentric roller pumps according to claim 1,2 or 5, which is characterized in that the working media is liquid
Or gas-liquid two-phase flow medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820220994.1U CN207906071U (en) | 2018-02-08 | 2018-02-08 | A kind of double eccentric roller pumps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820220994.1U CN207906071U (en) | 2018-02-08 | 2018-02-08 | A kind of double eccentric roller pumps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207906071U true CN207906071U (en) | 2018-09-25 |
Family
ID=63562356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820220994.1U Active CN207906071U (en) | 2018-02-08 | 2018-02-08 | A kind of double eccentric roller pumps |
Country Status (1)
| Country | Link |
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| CN (1) | CN207906071U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105086A (en) * | 2018-02-08 | 2018-06-01 | 北京丰联奥睿科技有限公司 | A kind of double eccentric roller pumps |
| CN108194358A (en) * | 2018-02-08 | 2018-06-22 | 北京丰联奥睿科技有限公司 | A kind of double eccentric roller compressors |
-
2018
- 2018-02-08 CN CN201820220994.1U patent/CN207906071U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105086A (en) * | 2018-02-08 | 2018-06-01 | 北京丰联奥睿科技有限公司 | A kind of double eccentric roller pumps |
| CN108194358A (en) * | 2018-02-08 | 2018-06-22 | 北京丰联奥睿科技有限公司 | A kind of double eccentric roller compressors |
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