CN111336102B - Quick disassembly structure of volumetric pump - Google Patents
Quick disassembly structure of volumetric pump Download PDFInfo
- Publication number
- CN111336102B CN111336102B CN202010332525.0A CN202010332525A CN111336102B CN 111336102 B CN111336102 B CN 111336102B CN 202010332525 A CN202010332525 A CN 202010332525A CN 111336102 B CN111336102 B CN 111336102B
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- China
- Prior art keywords
- cover
- sealing
- rotor
- hole
- bearing
- Prior art date
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Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 80
- 238000012856 packing Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 238000005299 abrasion Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010073 coating (rubber) Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/126—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
- F04C15/0007—Radial sealings for working fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
- F04C15/0023—Axial sealings for working fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/082—Details specially related to intermeshing engagement type machines or pumps
- F04C2/084—Toothed wheels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/082—Details specially related to intermeshing engagement type machines or pumps
- F04C2/086—Carter
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2230/00—Manufacture
- F04C2230/70—Disassembly methods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/30—Casings or housings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Rotary Pumps (AREA)
Abstract
The utility model provides a quick dismantlement structure of displacement pump, belong to rotor pump technical field, through add sleeve subassembly on the transmission shaft, be clearance fit between bearing pad cover and the bearing in the sleeve subassembly, when need dismantle the rotor, only need break off being connected between pump cover and the pump body, alright realization is dismantled whole end cover subassembly, through being equipped with the sealed hole in the central point of rotor left surface, the right side of sealed hole is equipped with the screw hole, when need dismantle the rotor, only need dismantle the axle with supporting rotor and twist in the screw hole, can dismantle the rotor, the screw hole that replaces traditional terminal surface setting through the screw hole that the axle center set up, can guarantee the wholeness that the rotor surface coated rubber, reduce the wearing and tearing of rotor, through setting up first cycloid and second cycloid radian into the same radian, when two rotors intermesh each other, first cycloid and second cycloid can be completely continuous meshing, work efficiency also has obvious improvement when improving the volume.
Description
Technical Field
The invention belongs to the technical field of rotor pumps, and particularly relates to a rapid disassembly structure of a volumetric pump.
Background
When the rotor is required to be replaced, the end cover is required to be detached from the bearing seat, the round nut is unscrewed from the threaded shaft head, then the bearing seat, the retainer ring and the pump cover are sequentially detached from the transmission shaft, the rotor can be detached from the transmission shaft, and the traditional rotor is required to be detached by being fixed to the rotor through a special pull Ma Gongju through a screw, so that the rotor is required to be provided with a plurality of screw holes, and the defects are that the screw holes destroy the integrity of the coated rubber, the rotor is easy to be degummed in the operation process, and materials with poor adhesive energy such as fluorine rubber and silica gel are particularly obvious. If the rotor meets the medium containing abrasion particles, the abrasion particles are easy to be accumulated at the screw hole, the abrasion of the pump is accelerated, the molded line of the traditional rotor is formed by splicing a plurality of sections of circular arcs, and the rotor can not achieve continuous engagement required by the rotor although the rotor can be molded, and the volume and the working efficiency are required to be improved.
Disclosure of Invention
The invention mainly solves the technical problems in the prior art and provides a quick disassembly structure of a volumetric pump.
The technical problems of the invention are mainly solved by the following technical proposal: the quick disassembly structure of the volumetric pump comprises a pump body and an end cover assembly, wherein the end cover assembly consists of an end cover, a bearing seat and a pump cover, the right side surface of the end cover is attached to the left side surface of the bearing seat, the bearing seat comprises an inner ring surface of the bearing seat and a positioning surface of the bearing seat, a clamp spring groove is formed in the middle of the inner ring surface of the bearing seat and is close to the left side, a bearing is arranged in the middle of the inner ring surface of the bearing seat, a positioning ring is arranged on the right side of the bearing, the left side surface of the positioning ring is attached to the right side surface of the bearing seat, the pump cover is arranged on the left side of the bearing seat, the left side surface of the pump cover is attached to the right side surface of the bearing seat, a sealing gasket hole is formed in the sealing gasket hole, a sealing sleeve hole is formed in the center of the pump cover, a sealing cover groove is formed in the left side surface of the pump cover, the sealing cover is arranged in the sealing cover groove, the sealing sleeve hole is provided with a sealing sleeve, the right side surface of the sealing cover is provided with a spring hole, the spring hole is provided with a spring, the right side of the spring is connected with a stop block, the right side of the stop block is provided with a sealing jacking block, a first sealing ring is arranged between the sealing jacking block and the sealing sleeve, the pump body comprises a rotor cavity, the rotor cavity is arranged at the left end of the pump body, a transmission shaft is arranged in the rotor cavity, the transmission shaft comprises a thread shaft head, a first shaft shoulder and a second shaft shoulder, the transmission shaft is sleeved with a rotor, the rotor comprises three flanges, the top of each flange is provided with a first cycloid, two sides of each first cycloid are respectively connected with an involute, a second cycloid is arranged between the involute on two adjacent flanges, the first cycloid and the second cycloid have the same radian, the center position of the left side surface of the rotor is provided with the sealing hole, the right side of sealed hole is equipped with the screw hole, the right-hand member of rotor is equipped with sleeve subassembly on the transmission shaft, sleeve subassembly includes the rubber packing ring of left end, the right side of rubber packing ring is equipped with the bearing pad cover, and the right side of bearing pad cover is equipped with the retaining ring, the right side of retaining ring is equipped with the axle sleeve, and the outer lane face of axle sleeve right-hand member is equipped with the second sealing washer groove, be equipped with the second sealing washer in the second sealing washer groove, the left side of second sealing washer groove is equipped with L type extension board, be equipped with sealed cushion between L type extension board and the axle sleeve outer lane face, be equipped with the third sealing washer between sealed cushion right-hand member outside and the inboard corner of L type extension board, bearing pad cover and retaining ring cover are on first shaft shoulder, the axle sleeve cover is on the second shaft shoulder, the left surface of sealed cushion cover is laminated with the right side of sealed kicking block, the second sealing washer is located in the second sealing washer groove and is laminated with the sealed hole, be equipped with round nut on the screw thread axle head, the pump cover right side is in the left surface of the pump body, the bearing cover is laminated in the bearing pad cover, on the retaining ring cover.
The invention has the beneficial effects that: through add sleeve subassembly on the transmission shaft, be clearance fit between bearing pad cover and the bearing in the sleeve subassembly, when need dismantle the rotor, only need break off being connected between pump cover and the pump body, alright realization is dismantled whole end cover subassembly, through being equipped with the sealed hole in the central point of rotor left surface, the right side of sealed hole is equipped with the screw hole, when need dismantle the rotor, only need dismantle the axle with supporting rotor and twist in the screw hole, can dismantle the rotor, the screw hole that replaces traditional terminal surface setting through the screw hole that the axle center set up, can guarantee the rubber-coated wholeness of rotor surface, reduce the wearing and tearing of rotor, through setting up first cycloid with the top of rotor flange, the both sides of first cycloid respectively are connected with an involute, be equipped with the second cycloid between the involute on two adjacent flanges, because first cycloid is the same with the second cycloid radian, when two rotors intermesh each other, first cycloid can be completely continuous meshing with the second cycloid, work efficiency also has apparent improvement when improving the volume.
Drawings
FIG. 1 is a schematic illustration of one construction of an end cap assembly of the present invention;
FIG. 2 is a schematic illustration of a construction of the sleeve assembly of the present invention;
FIG. 3 is a schematic view of a pump body of the present invention;
FIG. 4 is an enlarged schematic view of the portion A of FIG. 1;
FIG. 5 is an enlarged schematic view of the portion B of FIG. 2;
FIG. 6 is a schematic diagram of a front view of the rotor of the present invention;
fig. 7 is a schematic view of an internal structure of the rotor of the present invention.
In the figure: 1. a pump body; 2. an end cap assembly; 3. an end cap; 4. a bearing seat; 5. a pump cover; 6. an inner ring surface; 7. a bearing seat positioning surface; 8. a clamp spring groove; 9. a bearing; 10. a positioning ring; 11. sealing the gasket hole; 12. a sealing gasket; 13. sealing the trepanning; 14. sealing the cover groove; 15. sealing cover; 16. sealing sleeve; 17. a spring hole; 18. a spring; 19. a stop block; 20. sealing the ejector block; 21. a first seal ring; 22. a rotor cavity; 23. a transmission shaft; 24. a threaded shaft head; 25. a first shoulder; 26. a second shoulder; 27. a flange; 28. a first cycloid; 29. involute; 30. a second cycloid; 31. sealing the hole; 32. a threaded hole; 33. a sleeve assembly; 34. a rubber gasket; 35. a bearing pad sleeve; 36. a retainer ring; 37. a shaft sleeve; 38. a second seal ring groove; 39. a second seal ring; 40. an L-shaped support plate; 41. sealing cushion blocks; 42. a third seal ring; 43. a round nut; 44. a rotor.
Detailed Description
The technical scheme of the invention is further specifically described below through examples and with reference to the accompanying drawings.
Examples: 1-7, the quick disassembly structure of the volumetric pump comprises a pump body and an end cover assembly, wherein the end cover assembly consists of an end cover, a bearing seat and a pump cover, the right side surface of the end cover is attached to the left side surface of the bearing seat, the bearing seat comprises an inner ring surface of the bearing seat and a positioning surface of the bearing seat, a clamp spring groove is arranged at the middle position close to the left position of the inner ring surface of the bearing seat, a bearing is arranged at the middle position of the inner ring surface of the bearing seat, a positioning ring is arranged on the right side of the bearing, the left side surface of the positioning ring is attached to the right side surface of the bearing seat, the right side surface of the positioning ring is attached to the positioning surface of the bearing seat, the pump cover is arranged on the left side of the bearing seat, the left side surface of the pump cover is attached to the right side surface of the bearing seat, the right side of the pump cover is provided with a sealing gasket hole, a sealing gasket is arranged in the sealing gasket hole, the center of the pump cover is provided with a sealing sleeve hole, the left side of the sealing sleeve hole is provided with a sealing cover groove on the left side of the pump cover, the sealing cover groove is provided with a sealing cover, the sealing sleeve hole is provided with a sealing sleeve, the right side of the sealing cover is provided with a spring hole, the spring hole is provided with a spring, the right side of the spring is connected with a stop block, the right side of the stop block is provided with a sealing top block, a first sealing ring is arranged between the sealing top block and the sealing sleeve, the pump body comprises a rotor cavity, the rotor cavity is arranged at the left end of the pump body, a transmission shaft is arranged in the rotor cavity and comprises a thread shaft head, a first shaft shoulder and a second shaft shoulder, the rotor comprises three flanges, the top of each flange is provided with a first cycloid, two sides of each first cycloid are respectively connected with an involute, a second cycloid is arranged between the involute on each two adjacent flanges, the radian of each first cycloid is identical to that of the second cycloid, the top of each rotor flange is provided with the first cycloid, two sides of each first cycloid are respectively connected with one involute, the involute on each two adjacent flanges is provided with the second cycloid, and as the radian of each first cycloid is identical to that of each second cycloid, when the two rotors are meshed with each other, the first cycloid and the second cycloid can be completely and continuously meshed, the working efficiency is obviously improved while the volume is improved, the center of the left side surface of the rotor is provided with a sealing hole, the right side of the sealing hole is provided with a threaded hole, the center of the left side surface of the rotor is provided with the sealing hole, the right side of the sealing hole is provided with a threaded hole, when the rotor needs to be disassembled, the matched rotor disassembling shaft is only required to be screwed into the threaded hole, the rotor can be disassembled, the threaded hole arranged through the axle center replaces the threaded hole arranged on the traditional end surface, the integrity of rubber coating on the rotor surface can be ensured, the abrasion of the rotor is reduced, the right end of the rotor is provided with a sleeve assembly on a transmission shaft, a bearing pad sleeve in the sleeve assembly is in clearance fit with a bearing, when the rotor needs to be disassembled, the connection between a pump cover and a pump body is only required to be disconnected, the whole end cover assembly can be detached, the sleeve assembly comprises a rubber gasket at the leftmost end, a bearing gasket sleeve is arranged on the right side of the rubber gasket, a retainer ring is arranged on the right side of the bearing gasket sleeve, a shaft sleeve is arranged on the right side of the retainer ring, a second sealing ring groove is arranged on the outer ring surface of the right end of the shaft sleeve, a second sealing ring is arranged in the second sealing ring groove, an L-shaped support plate is arranged on the left side of the second sealing ring groove, a sealing cushion block is arranged between the L-shaped support plate and the outer ring surface of the shaft sleeve, a third sealing ring is arranged between the outer side of the right end of the sealing cushion block and the inner side corner of the L-shaped support plate, the bearing gasket sleeve and the retainer ring are sleeved on a first shaft shoulder, the shaft sleeve is sleeved on a second shaft shoulder, the left side of sealed cushion block is laminated with the right side of sealed kicking block, the second sealing washer is located in the second sealing washer groove and is laminated with the sealing hole, be equipped with the round nut on the screw thread spindle head, the laminating of pump cover right side is in the left surface of the pump body, the bearing housing is sheathe in the bearing pad, and the holding ring overlaps on the retaining ring.
Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the invention is not limited to the above-described embodiments, but many variations are possible. Any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention should be considered to be within the scope of the present invention.
Claims (1)
1. The utility model provides a quick dismantlement structure of volumetric pump, includes pump body and end cover subassembly, its characterized in that the end cover subassembly comprises end cover, bearing frame and pump cover, the right flank of end cover is laminated on the left surface of bearing frame, the bearing frame includes bearing frame inner circle face and bearing frame locating surface, the centre of bearing frame inner circle face is equipped with the jump ring groove by left side position, the intermediate position of bearing frame inner circle face is equipped with the bearing, and the right side of bearing is equipped with the holding ring, the left surface of holding ring is laminated with the right flank of bearing, the right flank of holding ring is laminated with the bearing frame locating surface, the left side of bearing frame is located to the pump cover, and the left surface of pump cover is laminated with the right flank of bearing frame, and the right flank of pump cover is equipped with the sealing pad hole, be equipped with the sealing pad in the sealing pad hole, the left side of sealing pad hole is equipped with sealed lid groove on the left surface of pump cover, the sealing cover is arranged in the sealing cover groove, the sealing sleeve hole is provided with a sealing sleeve, the right side surface of the sealing cover is provided with a spring hole, the spring hole is provided with a spring, the right side of the spring is connected with a stop block, the right side of the stop block is provided with a sealing jacking block, a first sealing ring is arranged between the sealing jacking block and the sealing sleeve, the pump body comprises a rotor cavity, the rotor cavity is arranged at the left end of the pump body, a transmission shaft is arranged in the rotor cavity, the transmission shaft comprises a thread shaft head, a first shaft shoulder and a second shaft shoulder, the transmission shaft is sleeved with a rotor, the rotor comprises three flanges, the top of each flange is provided with a first cycloid, two sides of each first cycloid are respectively connected with an involute, a second cycloid is arranged between the involute on two adjacent flanges, the first cycloid and the second cycloid have the same radian, the center position of the left side surface of the rotor is provided with the sealing hole, the right side of sealed hole is equipped with the screw hole, is located the right-hand member of rotor and is equipped with sleeve subassembly on the transmission shaft, sleeve subassembly includes the rubber packing ring of left end, the right side of rubber packing ring is equipped with the bearing pad cover, and the right side of bearing pad cover is equipped with the retaining ring, the right side of retaining ring is equipped with the axle sleeve, and the outer lane face of axle sleeve right-hand member is equipped with the second sealing washer groove, be equipped with the second sealing washer in the second sealing washer groove, the left side of second sealing washer groove is equipped with L type extension board, be equipped with sealed cushion between L type extension board and the axle sleeve outer lane face, be equipped with the third sealing washer outside the sealed cushion and between L type extension board inboard corner, bearing pad cover and retaining ring cover are on first shaft shoulder, the axle sleeve cover is on the second shaft shoulder, the left surface of sealed cushion cover is laminated with the right side of sealed top piece, the second sealing washer is located in the second sealing washer groove and is laminated with the sealed hole, be equipped with round nut on the screw thread axle head, the pump cover right side is in the left surface of the pump body, the bearing cover is laminated in the bearing pad cover, and is located the retaining ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010332525.0A CN111336102B (en) | 2020-04-24 | 2020-04-24 | Quick disassembly structure of volumetric pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010332525.0A CN111336102B (en) | 2020-04-24 | 2020-04-24 | Quick disassembly structure of volumetric pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111336102A CN111336102A (en) | 2020-06-26 |
| CN111336102B true CN111336102B (en) | 2024-05-28 |
Family
ID=71181046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010332525.0A Active CN111336102B (en) | 2020-04-24 | 2020-04-24 | Quick disassembly structure of volumetric pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111336102B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201902323U (en) * | 2010-12-28 | 2011-07-20 | 杭州萧山东方液压件有限公司 | Marine high-speed cycloid gear pump |
| CN103671104A (en) * | 2012-09-05 | 2014-03-26 | 上海易昆机械工程有限公司 | End cover structure provided with mechanical seal and bearing |
| CN103953652A (en) * | 2014-04-25 | 2014-07-30 | 中国重型机械研究院股份公司 | Eccentric bearing seal sleeve and assemblies thereof |
| KR101698726B1 (en) * | 2016-07-25 | 2017-01-20 | 심만섭 | Rotary gear pump |
| CN206159009U (en) * | 2016-09-30 | 2017-05-10 | 浙江洛德机械科技有限公司 | Cam rotor pump end cover assembly structure |
| CN206592281U (en) * | 2017-03-15 | 2017-10-27 | 管亚琼 | A kind of large pump rotor |
| DE102016121237A1 (en) * | 2016-11-07 | 2018-05-09 | Nidec Gpm Gmbh | Hydraulic gerotor pump and method of manufacturing a gerotor pump |
| CN208503007U (en) * | 2018-05-28 | 2019-02-15 | 辽宁恒星泵业有限公司 | A kind of lobed rotor pump |
| CN212376863U (en) * | 2020-04-24 | 2021-01-19 | 浙江博大泵业有限公司 | Quick disassembly structure of displacement pump |
-
2020
- 2020-04-24 CN CN202010332525.0A patent/CN111336102B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201902323U (en) * | 2010-12-28 | 2011-07-20 | 杭州萧山东方液压件有限公司 | Marine high-speed cycloid gear pump |
| CN103671104A (en) * | 2012-09-05 | 2014-03-26 | 上海易昆机械工程有限公司 | End cover structure provided with mechanical seal and bearing |
| CN103953652A (en) * | 2014-04-25 | 2014-07-30 | 中国重型机械研究院股份公司 | Eccentric bearing seal sleeve and assemblies thereof |
| KR101698726B1 (en) * | 2016-07-25 | 2017-01-20 | 심만섭 | Rotary gear pump |
| CN206159009U (en) * | 2016-09-30 | 2017-05-10 | 浙江洛德机械科技有限公司 | Cam rotor pump end cover assembly structure |
| DE102016121237A1 (en) * | 2016-11-07 | 2018-05-09 | Nidec Gpm Gmbh | Hydraulic gerotor pump and method of manufacturing a gerotor pump |
| CN206592281U (en) * | 2017-03-15 | 2017-10-27 | 管亚琼 | A kind of large pump rotor |
| CN208503007U (en) * | 2018-05-28 | 2019-02-15 | 辽宁恒星泵业有限公司 | A kind of lobed rotor pump |
| CN212376863U (en) * | 2020-04-24 | 2021-01-19 | 浙江博大泵业有限公司 | Quick disassembly structure of displacement pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111336102A (en) | 2020-06-26 |
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