CN203560092U - Internal gear pump - Google Patents
Internal gear pump Download PDFInfo
- Publication number
- CN203560092U CN203560092U CN201320739979.5U CN201320739979U CN203560092U CN 203560092 U CN203560092 U CN 203560092U CN 201320739979 U CN201320739979 U CN 201320739979U CN 203560092 U CN203560092 U CN 203560092U
- Authority
- CN
- China
- Prior art keywords
- gear
- driven gear
- axostylus axostyle
- lid
- conveying chamber
- 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
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- 238000005086 pumping Methods 0.000 claims description 14
- 239000000945 filler Substances 0.000 claims description 6
- 230000000452 restraining effect Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 239000011324 bead Substances 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 10
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000004941 influx Effects 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
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- Rotary Pumps (AREA)
Abstract
The utility model provides an internal gear pump, which comprises a driving device, a conveying device, a cover body and a driven gear, wherein the driving device comprise a motor, a transmission mechanism and an output shaft; the conveying device is provided with a conveying chamber and an influx hole and a discharge hole communicated with the conveying chamber are formed in the conveying device; a driving gear is arranged at the inner periphery of the conveying chamber and combined with the output shaft of the driving device to rotate synchronously; the cover body is provided with a diversion base and a shaft rod; the diversion base is communicated with the conveying chamber; a through hole is formed in the diversion base and used for coupling the shaft rod; a stopping part is arranged at the end of the diversion base, where the shaft rod protrudes out of the diversion base; the stopping part is an annular flange; the driven gear is an internal gear, in the center of which a through hole is formed, so that the driven gear can be movably combined with the shaft rod. According to the utility model, the stability and the durability of liquid conveying of the internal gear pump are increased and the service life of the internal gear pump is prolonged.
Description
Technical field
The utility model relates to a kind of pumping, turns gear pumping in especially a kind of.
Background technique
Known pumping is arranged on ostium and tap hole the recessed side of conveying chamber cabinet cover, in carrying the process of liquid, in in cabinet cover, turn gear and can be pushed to external gear madial wall and phase mutual friction by liquid, not only can improve the temperature of machine and liquid, also cause internal gear side wall surface and external gear madial wall to be constantly worn and produce space, when space is gradually large, can make the liquid in conveying chamber be back to ostium by this space, finally cause pumping idle running and cannot carry liquid, really have improvements.
Summary of the invention
In order to overcome defect of the prior art, the utility model provides in a kind of and has turned gear pumping.
The utility model solves the technological scheme that its technical problem adopts: the utility model provides in a kind of and turned gear pumping, comprises a drive unit, a feedway, a lid and a driven gear.
Drive unit comprises a motor, a driving mechanism and an output shaft; Feedway has a conveying chamber and the ostium being communicated with this conveying chamber and a tap hole, and the inner circumference of conveying chamber is provided with a driving gear, and this driving gear rotates to synchronize with the output shaft combination of drive unit; Lid has a diversion seat and an axostylus axostyle, and diversion seat is communicated with conveying chamber, and diversion seat is provided with a perforation for the axostylus axostyle that is coupling, and axostylus axostyle is provided with a stopper part in the one end of protruding diversion seat, and this stopper part is the bead of a ring-type; Driven gear is an internal gear, its center has a perforation, driven gear is slidably incorporated on axostylus axostyle, and one end of driven gear is concaved with the ring-type restraining groove chimeric with stopper part, and the inner circumference edge of driven gear is provided with the locating slot of one end of corresponding axostylus axostyle.
In the utility model, the top of lid is provided with a radial aperture, and the rear end of lid is provided with a bearing fixing device.
In the utility model, in lid, be provided with two bearings and a stuffing box, between this two bearing, be provided with a sleeve for locating this two bearing on axostylus axostyle.
In the utility model, in stuffing box, be provided with the adjustment bolt of three annular packings that are stacked and a ring-type, filler is arranged at the rear of diversion seat, and the outer periphery of adjustment bolt are provided with adjustment groove, the rear of adjusting bolt is provided with an O type ring and an oil sealing.
The beneficial effects of the utility model are: increase stability and durability that liquid is carried in pumping, and increase the service life.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is overall schematic of the present utility model.
Fig. 2 is the assembling schematic diagram of lid of the present utility model and conveying chamber.
Fig. 3 is lid decomposing schematic representation of the present utility model.
In figure, turn gear pumping in 1., 2. drive unit, 3. feedway, 4. lid, 5. driven gear, 6. motor, 7. driving mechanism, 8. output shaft, 9. conveying chamber, 10. ostium, 11. tap holes, 12. driving gears, 13. diversion seats, 14. axostylus axostyles, 15. perforation, 16. stopper parts, 17. perforation, 18. restraining grooves, 19. one end, 20. locating slots, 21. positioning keys, 22. radial aperture, 23. bearing fixing devices, 24. bearings, 25. stuffing boxes, 26. sleeves, 27. fillers, 28. adjust bolt, 29. adjust groove, 30. O type rings, 31. oil sealings, 32. bolts.
Embodiment
As shown in Figures 1 to 3, the utility model provides in a kind of and has turned gear pumping 1, comprises a drive unit 2, a feedway 3, a lid 4 and a driven gear 5, and concrete structure is as follows.
Drive unit 2 comprises a motor 6, a driving mechanism 7 and an output shaft 8; Feedway 3 has a conveying chamber 9 and the ostium 10 being communicated with this conveying chamber 9 and a tap hole 11, and the inner circumference of conveying chamber 9 is provided with a driving gear 12, and this driving gear 12 rotates to synchronize with output shaft 8 combinations of drive unit 2; Lid 4 has a diversion seat 13 and an axostylus axostyle 14, and diversion seat 13 is communicated with conveying chamber 9, and diversion seat 13 is provided with a perforation 15 for being coupling axostylus axostyle 14, and axostylus axostyle 14 is provided with a stopper part 16 in the one end of protruding diversion seat 13, and this stopper part 16 is the bead of a ring-type; Driven gear 5 is an internal gear, and its center has a perforation 17, and driven gear 5 is slidably incorporated on axostylus axostyle 14.One end of driven gear 5 is concaved with the ring-type restraining groove 18 chimeric with stopper part 16, and the inner circumference edge of driven gear 5 is provided with the locating slot 20 of one end 19 of corresponding axostylus axostyle 14, for a positioning key 21, places wherein.
In addition, the top of lid 4 is provided with a radial aperture 22, and the rear end of lid 4 is provided with a bearing fixing device 23.
In lid 4, be provided with two bearings 24 and a stuffing box 25, between this two bearing 24, be provided with a sleeve 26 for locating this two bearing 24 on axostylus axostyle 14, and this two bearing 24 be fixed on axostylus axostyle 14 by bearing fixing device 23.In stuffing box 25, be provided with the adjustment bolt 28 of three annular packings that are stacked 27 and a ring-type, filler 27 is arranged at the rear of diversion seat 13, and the outer periphery of adjusting bolt 28 are provided with adjustment groove 29, so as to making to adjust bolt 28, can adjust via radial aperture 22 filler 27 and in stuffing box 25, pass in and out and fill up, and filler 27 is pressed on to the rear of diversion seat 13.Moreover the rear of adjusting bolt 28 is provided with an O type ring 30 and an oil sealing 31, the bottom of lid 4 is provided with the bolt 32 of a tool drain boles, to prevent that liquid is in the 15 infiltration bearings 24 of boring a hole.
During use, drive unit 2 drives the driving gear 12 in conveying chamber 9 to rotate along counterclockwise direction via output shaft 8, drive driven gear 5, liquid in ostium 10 is pushed with the rotation of driven gear 5 by driving gear 12 and backlash and the recessed portion borrower moving gear 12 of driven gear 5, from tap hole 11, discharge.When driven gear 5 rotates, driven gear 5 can slide on axostylus axostyle 14, and by positioning key 42, drives axostylus axostyle 14 to rotate.When the stopper part 16 of axostylus axostyle 14 and the restraining groove 18 of driven gear 5 agree with, can prevent that liquid from pushing driven gear 5 to the madial wall of conveying chamber 9 and wearing and tearing mutually.
Claims (4)
1. in, turn a gear pumping, comprise a drive unit, a feedway, a lid and a driven gear, it is characterized in that: drive unit comprises a motor, a driving mechanism and an output shaft; Feedway has a conveying chamber and the ostium being communicated with this conveying chamber and a tap hole, and the inner circumference of conveying chamber is provided with a driving gear, and this driving gear rotates to synchronize with the output shaft combination of drive unit; Lid has a diversion seat and an axostylus axostyle, and diversion seat is communicated with conveying chamber, and diversion seat is provided with a perforation for the axostylus axostyle that is coupling, and axostylus axostyle is provided with a stopper part in the one end of protruding diversion seat, and this stopper part is the bead of a ring-type; Driven gear is an internal gear, its center has a perforation, driven gear is slidably incorporated on axostylus axostyle, and one end of driven gear is concaved with the ring-type restraining groove chimeric with stopper part, and the inner circumference edge of driven gear is provided with the locating slot of one end of corresponding axostylus axostyle.
2. according to claim 1, turn gear pumping, it is characterized in that: the top of lid is provided with a radial aperture, the rear end of lid is provided with a bearing fixing device.
3. according to claim 1, turn gear pumping, it is characterized in that: in lid, be provided with two bearings and a stuffing box, between this two bearing, be provided with a sleeve for this two bearing of location on axostylus axostyle.
4. according to claim 3, turn gear pumping, it is characterized in that: the adjustment bolt that is provided with three annular packings that are stacked and a ring-type in stuffing box, filler is arranged at the rear of diversion seat, and the outer periphery of adjusting bolt are provided with adjustment groove, the rear of adjusting bolt is provided with an O type ring and an oil sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320739979.5U CN203560092U (en) | 2013-11-22 | 2013-11-22 | Internal gear pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320739979.5U CN203560092U (en) | 2013-11-22 | 2013-11-22 | Internal gear pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203560092U true CN203560092U (en) | 2014-04-23 |
Family
ID=50509817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320739979.5U Expired - Fee Related CN203560092U (en) | 2013-11-22 | 2013-11-22 | Internal gear pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203560092U (en) |
-
2013
- 2013-11-22 CN CN201320739979.5U patent/CN203560092U/en not_active Expired - Fee Related
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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: 20140423 Termination date: 20141122 |
|
| EXPY | Termination of patent right or utility model |