CN202811343U - Two-stage internally and externally engaged rotary sleeve pump - Google Patents
Two-stage internally and externally engaged rotary sleeve pump Download PDFInfo
- Publication number
- CN202811343U CN202811343U CN 201220480332 CN201220480332U CN202811343U CN 202811343 U CN202811343 U CN 202811343U CN 201220480332 CN201220480332 CN 201220480332 CN 201220480332 U CN201220480332 U CN 201220480332U CN 202811343 U CN202811343 U CN 202811343U
- Authority
- CN
- China
- Prior art keywords
- gear
- pump
- driving gear
- outer gearing
- roll sleeve
- 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
Links
Images
Landscapes
- Rotary Pumps (AREA)
Abstract
The utility model discloses a two-stage internally and externally engaged rotary sleeve pump. The two-stage internally and externally engaged rotary sleeve pump is characterized in that the left end of a pump body is fixedly connected with a left pump cover, the right end of the pump body is fixedly connected with a right pump cover, a driving gear, an internally engaged pinion gear and an externally engaged pinion gear which are fixedly connected with a motor shaft are arranged in the pump body, a plurality of roll sleeves are hinged with a gear capstan of the driving gear through pin shafts fixedly connected, the roll sleeves of the driving gear are respectively engaged with the internally engaged pinion gear and the externally engaged pinion gear, the outer end of the gear capstan of the driving gear is arranged in a left pump cover through a mechanical seal, the internally engaged pinion gear is hinged on a first pin shaft fixedly arranged on a right pump cover, the externally engaged pinion gear is hinged on a second pin shaft fixedly arranged on the pump body, the rolling cylindrical toothed surfaces of the two roll sleeves are in movable seal contact fit with the tip circle toothed surface of the internally engaged pinion gear to form a liquid suction cavity and a liquid discharge cavity, or a spacer block for spacing the liquid suction cavity and the liquid discharge cavity is arranged on the right pump cover. The two-stage internal and external-engaged rotary-sleeve pump has the advantages of being small in volume, light in weight, high in the number of revolutions, large in flow rate, low in noise, simple in structure, good in universality, easy to manufacture, low in cost, and the like.
Description
Technical field
The utility model relates to the pump field, is outer gearing roll sleeve pump in a kind of twin-stage.
Background technique
Existing single-stage crescent gear pump, involute gear pump, circular-arc gear pump and lance tooth wheel pump all are the spacer block that can separate imbibition and exhaust chamber to be set just can make pump work in the pump housing, outer gearing involute gear pump in the existing twin-stage, its key issue is the involute tooth depth, be subject to the modulus restriction, tooth is arranged inside and outside the gear ring, radially can not opening into and out of liquid, must axially be arranged into and out of liquid by pump cover, also exist complex structure, the deficiency such as revolution is low, flow is little, rotational noise is large.
Summary of the invention
Problem to be solved in the utility model is, prior art is carried out improvement and bring new ideas, and on a kind of basis of general plotting, volume is little, lightweight, revolution is high, flow is large to provide two kinds, noise is low, outer gearing roll sleeve pump in the twin-stage simple in structure, that versatility good, easy manufacturing, cost are low.
Solving one of technological scheme that its technical problem adopts is, outer gearing roll sleeve pump in a kind of twin-stage, it comprises the pump housing, the left end of the pump housing and left pump cover are connected, the right-hand member of the pump housing and right pump cover are connected, it is characterized in that: the driving gear that is connected with motor shaft is set in the pump housing, interior pinion mate and outer gearing small gear, described driving gear has gear disk, be hinged with several roll sleeves by the bearing pin that is connected on the gear disk, the roll sleeve of driving gear is meshed with interior pinion mate and outer gearing small gear respectively, the gear disk outer end of driving gear places in the left pump cover by mechanical seal, described interior pinion mate is hinged on the first bearing pin of fixing with right pump cover, and described outer gearing small gear is hinged on the second bearing pin of fixing with the pump housing.Described driving gear and interior pinion mate, and the gear ratio of driving gear and outer gearing small gear is: 9: 8, or 8: 7, or 7: 6, or 6: 5, or 5: 4, or 4: 3, driving gear and interior pinion mate, and the number of teeth of driving gear and outer gearing small gear is poor is 1.The roll sleeve that described roll sleeve is made for strengthening PTFE.
Solving two of technological scheme that its technical problem adopts is, outer gearing roll sleeve pump in the another kind of twin-stage, it comprises the pump housing, the left end of the pump housing and left pump cover are connected, the right-hand member of the pump housing and right pump cover are connected, it is characterized in that: the driving gear that is connected with motor shaft is set in the pump housing, interior pinion mate and outer gearing small gear, described driving gear has gear disk, be hinged with several roll sleeves by the bearing pin that is connected on the gear disk, the roll sleeve of driving gear is meshed with interior pinion mate and outer gearing small gear respectively, the gear disk outer end of driving gear places in the left pump cover by mechanical seal, described interior pinion mate is hinged on the first bearing pin of fixing with right pump cover, described outer gearing small gear is hinged on the second bearing pin of fixing with the pump housing, at right pump cover a spacer block of separating imbibition and exhaust chamber is set, the roll sleeve of described driving gear matches with the external arc of spacer block, and described interior pinion mate matches with the interior circular arc of spacer block.Described driving gear and interior pinion mate, and the gear ratio of driving gear and outer gearing small gear is: 10: 8, or 9: 7, or 8: 6, or 7: 5, or 6: 4, or 5: 3, driving gear and interior pinion mate, and the number of teeth of driving gear and outer gearing small gear is poor is 2.The roll sleeve that described roll sleeve is made for strengthening PTFE.
Outer gearing roll sleeve pump in two kinds of twin-stages of the present utility model, having identical structure is, all adopt the driving gear that is connected with motor shaft is set in the pump housing, interior pinion mate and outer gearing small gear, driving gear has gear disk, be hinged with several roll sleeves by the bearing pin that is connected on the gear disk, the roll sleeve of driving gear is meshed with interior pinion mate and outer gearing small gear respectively, different structures are, a kind of spacer block of separating pump imbibition and exhaust chamber that in the pump housing, is not provided with, its imbibition forms by two roll sleeve cylinder flank of tooth that roll with the exhaust chamber sealed separation and contacts with the small gear tip circle flank of tooth motive sealing of interior engagement, the another kind of spacer block that is provided with in the pump housing is separated pump imbibition and exhaust chamber by spacer block.Because interior pinion mate and the same specification of outer gearing small gear can realize seriation, standardization and generalization; Because roll sleeve adopts the enhancing PTFE to make, strengthen PTFE and have good wear resistance, its anti-pressure ability is 140-180MPa, bending resistance is 40-60MPa, can realize high rotating speed, low noise transmission, have simple in structure, volume is little, lightweight, easy manufacturing, be suitable for making high-capacity pump, low cost and other advantages.
Description of drawings
Fig. 1 is that the pump cross-sectional schematic is rolled in the interior outer gearing of embodiment 1 twin-stage;
Fig. 2 is A-A generalized section among Fig. 1;
Fig. 3 is the interior outer gearing roll sleeve pump cross-sectional schematic of embodiment 2 twin-stage;
Fig. 4 is B-B generalized section among Fig. 3;
Fig. 5 is driving gear 14 structural representations;
Fig. 6 is C-C cross-sectional schematic among Fig. 5;
Pinion mate and outer gearing pinion structure schematic representation in Fig. 7;
Fig. 8 is D-D cross-sectional schematic among Fig. 7.
Among the figure: 1 motor shaft; 2 mechanical seals; 3 left pump covers, 4 gear disks, 5 roll sleeves, 6 bearing pins, 7 interior pinion mates, 8 first bearing pins, 9 pump housings, 10 setting sleeves, 11 right pump covers, 12 outer gearing small gears, 13 spacer blocks, 14 driving gears, 15 second bearing pins.
Embodiment
The below utilizes drawings and Examples, and the utility model is described in further detail.
Embodiment 1: with reference to Fig. 1, Fig. 2, Fig. 5-Fig. 8, outer gearing roll sleeve pump in embodiment 1 the twin-stage, comprise the pump housing 9, the left end of the pump housing 9 and left pump cover 3 are connected, the right-hand member of the pump housing 9 and right pump cover 11 are connected, the driving gear 14 that is connected at the pump housing 9 interior settings and motor shaft 1, interior pinion mate 7 and outer gearing small gear 12, described driving gear 14 has gear disk 4, be hinged with several roll sleeves 5 by the bearing pin 6 that is connected on the gear disk 4, the roll sleeve 5 of driving gear 14 is meshed with interior pinion mate 7 and outer gearing small gear 12 respectively, gear disk 4 outer ends of driving gear 14 place in the left pump cover 3 by mechanical seal 2, described interior pinion mate 7 is hinged on the first bearing pin 8 of fixing with right pump postoperculum, and described outer gearing small gear 12 is hinged on the second bearing pin 15 of fixing with the pump housing 9.Setting sleeve 11 is set to improve assembly precision between right pump cover 11 and pump housing right side.Described driving gear 14 and interior pinion mate 7, and the gear ratio of driving gear 14 and outer gearing small gear 12 is: 9: 8, or 8: 7, or 7: 6, or 6: 5, or 5: 4, or 4: 3, driving gear 14 and interior pinion mate 7, and driving gear 14 is 1 with the number of teeth of outer gearing small gear 12 is poor.The roll sleeve that described roll sleeve 5 is made for strengthening PTFE.The imbibition of outer gearing roll sleeve pump is to be contacted with the small gear 7 tip circle flank of tooth motive sealings of interior engagement by two roll sleeves, the 5 cylinder flank of tooth that roll to form with exhaust chamber sealed separation form in embodiment 1 the twin-stage.
Embodiment 2: with reference to Fig. 3-Fig. 8, the structure that outer gearing roll sleeve pump is identical with the interior outer gearing roll sleeve pump of embodiment 1 twin-stage in embodiment 2 the twin-stage comprises the pump housing 9, the left end of the pump housing 9 and left pump cover 3 are connected, the right-hand member of the pump housing 9 and right pump cover 11 are connected, the driving gear 14 that is connected at the pump housing 9 interior settings and motor shaft 1, interior pinion mate 7 and outer gearing small gear 12, described driving gear 14 has gear disk 4, be hinged with several roll sleeves 5 by the bearing pin 6 that is connected on the gear disk 4, the roll sleeve 5 of driving gear 14 is meshed with interior pinion mate 7 and outer gearing small gear 12 respectively, gear disk 4 outer ends of driving gear 14 place in the left pump cover 3 by mechanical seal 2, described interior pinion mate 7 is hinged on the first bearing pin 8 of fixing with right pump cover 11, described outer gearing small gear 12 is hinged on the second bearing pin 15 of fixing with the pump housing 9, setting sleeve 11 is set to improve assembly precision between right pump cover 11 and pump housing right side.Different structures are, at right pump cover 11 spacer block 13 of separating imbibition and exhaust chamber are set, and the roll sleeve 5 of described driving gear 14 matches with the external arc of spacer block 13, and described interior pinion mate 7 matches with the interior circular arc of spacer block 13.Described driving gear 14 and interior pinion mate 7, and the gear ratio of driving gear 14 and outer gearing small gear 12 is: 10: 8, or 9: 7, or 8: 6, or 7: 5, or 6: 4, or 5: 3, driving gear 14 and interior pinion mate 7, and driving gear 14 is 2 with the number of teeth of outer gearing small gear 12 is poor.The roll sleeve that described roll sleeve 5 is made for strengthening PTFE.
The model machine of outer gearing roll sleeve pump is all through 10 months trial run, respond well in two kinds of twin-stages of the present utility model, has realized the utility model purpose and has reached described effect.
This embodiment only is limited embodiment, but and non exhaustive, to those skilled in the art, anyly copying and changing without what creative work had been done, all belong to the scope of the utility model claim protection.
Claims (6)
1. outer gearing roll sleeve pump in the twin-stage, it comprises the pump housing, the left end of the pump housing and left pump cover are connected, the right-hand member of the pump housing and right pump cover are connected, it is characterized in that: the driving gear that is connected with motor shaft is set in the pump housing, interior pinion mate and outer gearing small gear, described driving gear has gear disk, be hinged with several roll sleeves by the bearing pin that is connected on the gear disk, the roll sleeve of driving gear is meshed with interior pinion mate and outer gearing small gear respectively, the gear disk outer end of driving gear places in the left pump cover by mechanical seal, described interior pinion mate is hinged on the first bearing pin of fixing with right pump cover, and described outer gearing small gear is hinged on the second bearing pin of fixing with the pump housing.
2. outer gearing roll sleeve pump in the twin-stage according to claim 1, it is characterized in that: described driving gear and interior pinion mate, and the gear ratio of driving gear and outer gearing small gear is: 9: 8, or 8: 7, or 7: 6, or 6: 5, or 5: 4, or 4: 3, driving gear and interior pinion mate, and the number of teeth of driving gear and outer gearing small gear is poor is 1.
3. outer gearing roll sleeve pump in the twin-stage according to claim 1 is characterized in that: the roll sleeve that described roll sleeve is made for strengthening PTFE.
4. outer gearing roll sleeve pump in the twin-stage, it comprises the pump housing, the left end of the pump housing and left pump cover are connected, the right-hand member of the pump housing and right pump cover are connected, it is characterized in that: the driving gear that is connected with motor shaft is set in the pump housing, interior pinion mate and outer gearing small gear, described driving gear has gear disk, be hinged with several roll sleeves by the bearing pin that is connected on the gear disk, the roll sleeve of driving gear is meshed with interior pinion mate and outer gearing small gear respectively, the gear disk outer end of driving gear places in the left pump cover by mechanical seal, described interior pinion mate is hinged on the first bearing pin of fixing with right pump cover, described outer gearing small gear is hinged on the second bearing pin of fixing with the pump housing, a spacer block of separating imbibition and exhaust chamber is set at right pump cover, the roll sleeve of described driving gear matches with the external arc of spacer block, and described interior pinion mate matches with the interior circular arc of spacer block.
5. outer gearing roll sleeve pump in the twin-stage according to claim 4, it is characterized in that: described driving gear and interior pinion mate, and the gear ratio of driving gear and outer gearing small gear is: 10: 8, or 9: 7, or 8: 6, or 7: 5, or 6: 4, or 5: 3, driving gear and interior pinion mate, and the number of teeth of driving gear and outer gearing small gear is poor is 2.
6. outer gearing roll sleeve pump in the twin-stage according to claim 4 is characterized in that: the roll sleeve that described roll sleeve is made for strengthening PTFE.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220480332 CN202811343U (en) | 2012-09-14 | 2012-09-14 | Two-stage internally and externally engaged rotary sleeve pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220480332 CN202811343U (en) | 2012-09-14 | 2012-09-14 | Two-stage internally and externally engaged rotary sleeve pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202811343U true CN202811343U (en) | 2013-03-20 |
Family
ID=47870226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220480332 Expired - Fee Related CN202811343U (en) | 2012-09-14 | 2012-09-14 | Two-stage internally and externally engaged rotary sleeve pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202811343U (en) |
-
2012
- 2012-09-14 CN CN 201220480332 patent/CN202811343U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103291609A (en) | Biaxial harmonic gear pump | |
| CN201013589Y (en) | Conical double helical lobe compressor actuating devive | |
| CN101864893A (en) | Screw rod drilling tool | |
| CN102230518B (en) | Drum-type inner ring plate speed reducer with less tooth difference | |
| CN109944792A (en) | A kind of double pressure double-direction gearpumps | |
| CN201671534U (en) | Screw drilling tool | |
| CN206668541U (en) | Radially match somebody with somebody oily crescent gear pump | |
| CN202811343U (en) | Two-stage internally and externally engaged rotary sleeve pump | |
| CN201176930Y (en) | Gear ring pump | |
| CN103233782B (en) | Cock-type rotary compression expansion mechanism | |
| CN202833121U (en) | Circular gear pump | |
| CN201496488U (en) | Hard gear surface fully sealed energy-saving planet speed reducer | |
| CN210566052U (en) | Planetary differential speed reducer | |
| CN203835710U (en) | Improved NCB internal gear pump | |
| CN105952637A (en) | Large displacement high pressure gear pump with driving and driven wheels in different sizes | |
| CN201925159U (en) | Different teeth pump | |
| CN113357319A (en) | Symmetrical shock wave oscillating tooth speed reducer | |
| CN206290430U (en) | A kind of external gear for fluid transmission pump | |
| CN207315656U (en) | A kind of three chamber cam compressors | |
| CN201206544Y (en) | Polygon rotor pump of planet epicyclic train | |
| CN201973432U (en) | Oil pump rotor | |
| CN102865223B (en) | Double-stage inner gearing rolling sleeve pump | |
| CN202228346U (en) | High-viscosity fluid transmission pump | |
| RU139028U1 (en) | ROTARY HYDRAULIC MACHINE | |
| CN203532659U (en) | Single-stage lateral transmission cylindrical cam reducer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20150914 |
|
| EXPY | Termination of patent right or utility model |