CN201513378U - Improved impeller locking mechanism - Google Patents
Improved impeller locking mechanism Download PDFInfo
- Publication number
- CN201513378U CN201513378U CN2009201118607U CN200920111860U CN201513378U CN 201513378 U CN201513378 U CN 201513378U CN 2009201118607 U CN2009201118607 U CN 2009201118607U CN 200920111860 U CN200920111860 U CN 200920111860U CN 201513378 U CN201513378 U CN 201513378U
- Authority
- CN
- China
- Prior art keywords
- impeller
- locking
- nut
- reverse
- locking mechanism
- 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 - Lifetime
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to an improved impeller locking mechanism, which is an impeller locking structure of a pump body, belonging to the mechanical manufacturing field. Forward threads and reverse threads are sequentially machined on the end part of the shaft of an impeller from outside to inside, and then a forward locking nut and a reverse locking nut are correspondingly tightened, so the impeller is tightly locked. The utility model has the advantages of simple structure, convenient disassembling, assembling and maintenance, and reliable locking.
Description
Technical field
The utility model is a kind of impeller locking mechanism of the pump housing.Belong to mechanical manufacturing field.
Background technique
Centrifugal pump, mixed flow pump, the axial-flow pump that uses all adopts the locking of monolock jack panel at present, and medium directly contacts with impeller nut, and the burn into that impeller nut is subjected to medium washes away very easily damage.Simultaneously; pump is when shutting down, as installation outlet safety check not, under the effect of reflux medium; impeller can produce counter-rotating; the phenomenon that gets loose appears in the impeller locking nut, causes axial locking to lose efficacy, and part produces friction; seal failure; cause pump normally to move, it is frequent to stop, and increases user's operating cost and brings environmental pollution.And at large-size chemical with in the pump because that the material of pump is is corrosion-resistant, wear-corrosion resistance, high-temperature alloy material, price of complete machine is higher, frequent shutdown, changes spare part custom system can't normally be moved, and brings bigger economic loss to the user.Therefore, the novel impeller locking device of research and development becomes a urgent problem.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of improved impeller locking mechanism, can be applied on centrifugal pump, mixed flow pump, the axial-flow pump, have simple in structure, dismounting is easy to maintenance, the advantage of reliable lock.
Solving the scheme that technical problem of the present utility model adopts is: the shaft end at impeller is processed with forward screw thread and reverse thread from outside to inside successively, and correspondence is tightened positive lock jack panel and reverse locking nut again.
The technical solution of the utility model also comprises: the end face at described impeller is equipped with the impeller capping with screw, and is provided with seal ring between impeller capping and impeller end face, and the impeller capping is gone into positive lock jack panel and reverse locking nut cover wherein.
The beneficial effects of the utility model are: replaced traditional single nut locking device by the mode that adopts the forward and reverse locking of double nut, with an original nut check, be improved to two nut checks, one of them nut adopts postive direction locking, another nut adopts locking in the other direction, no matter how the sense of rotation of impeller all can guarantee the reliable locking of nut; Adopt the impeller capping to be connected with impeller and stoped medium directly to contact, guarantee reliable lock with impeller nut with the mode of sealing.
Description of drawings
Fig. 1 is a double nut device locking mechanism schematic representation of the present utility model.
Each label is represented successively among the figure: impeller capping 1, positive lock jack panel 2, reverse locking nut 3, impeller 4, axle 5, seal ring 6.
Embodiment
Referring to Fig. 1, this locking device is after being assembled to impeller 4 on the axle 5, guarantee that impeller 4 puts in place, tighten reverse locking nut 3 earlier, make impeller 4 location, and then tighten positive lock jack panel 2, reach the purpose of locking, simultaneously impeller capping 1 is screwed on the end face of impeller 4, and positive lock jack panel 2 and reverse locking nut 3 covers are gone into wherein, between the end face of impeller capping 1 and impeller 4, also be provided with seal ring 6, stoped medium directly to contact with impeller nut.
Assembly process: 1) axle is seated; 2) load onto reverse locking nut and locking; 3) load onto positive lock jack panel and locking; 4) load onto impeller capping and use bolt.Disassembly sequence is opposite with assemble sequence.
Claims (2)
1. improved impeller locking mechanism, it is characterized in that: the shaft end at impeller is processed with forward screw thread and reverse thread from outside to inside successively, and correspondence is tightened positive lock jack panel and reverse locking nut again.
2. by the described improved impeller locking mechanism of claim 1, it is characterized in that: the end face at impeller is equipped with the impeller capping with screw, and be provided with seal ring between impeller capping and impeller end face, the impeller capping is gone into positive lock jack panel and reverse locking nut cover wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201118607U CN201513378U (en) | 2009-08-27 | 2009-08-27 | Improved impeller locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201118607U CN201513378U (en) | 2009-08-27 | 2009-08-27 | Improved impeller locking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201513378U true CN201513378U (en) | 2010-06-23 |
Family
ID=42484786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201118607U Expired - Lifetime CN201513378U (en) | 2009-08-27 | 2009-08-27 | Improved impeller locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201513378U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111953173A (en) * | 2020-08-13 | 2020-11-17 | 中车株洲电力机车研究所有限公司 | Magnetic-levitation train and long stator linear motor and long stator structure thereof |
| CN113280001A (en) * | 2021-06-24 | 2021-08-20 | 襄阳五二五泵业有限公司 | Axial flow pump impeller locking device |
-
2009
- 2009-08-27 CN CN2009201118607U patent/CN201513378U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111953173A (en) * | 2020-08-13 | 2020-11-17 | 中车株洲电力机车研究所有限公司 | Magnetic-levitation train and long stator linear motor and long stator structure thereof |
| CN113280001A (en) * | 2021-06-24 | 2021-08-20 | 襄阳五二五泵业有限公司 | Axial flow pump impeller locking device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201513378U (en) | Improved impeller locking mechanism | |
| CN206571619U (en) | A kind of axle valve flow distribution cycloid hydraulic motor | |
| CN207892849U (en) | Liquid energy recovered water pump and its liquid energy recovery system | |
| CN102478023A (en) | Fan adopting welded case | |
| CN201544187U (en) | Dismantling device for end plate of reverse osmosis membrane pressure vessel | |
| CN200964952Y (en) | Liquid pump | |
| CN202707584U (en) | Structure for prolonging service life of mechanical seal of diving sewage pump | |
| CN203670299U (en) | Heavy slurry pump with overflow assembly capable of being quickly demounted and mounted | |
| CN206190593U (en) | High -power dredge pump impeller structure | |
| CN201369623Y (en) | Bearing assembly for axial flow bidirectional submerged motor | |
| CN201462106U (en) | Waste gas unidirectional flowing control valve structure used for Euro IV engine | |
| CN200978820Y (en) | Structure for preventing loosening of vertical axial flow pump locking nut | |
| CN206092818U (en) | Biax right angle speed reducer protection architecture | |
| CN212055247U (en) | Novel impeller stopping structure of chemical process pump | |
| CN204984961U (en) | Singly inhale cantilever type major axis submerged pump | |
| CN201582196U (en) | Locking device of impeller | |
| CN213419484U (en) | Energy-saving emission-reducing spiral fluid turbine pump | |
| CN208503043U (en) | A kind of reversible long-life centrifugal pump | |
| CN220687659U (en) | Pump with impeller sealing ring | |
| CN101581310A (en) | High efficient self-sucking pump | |
| CN201507474U (en) | Impeller anti-drop device for submersible sewage pump | |
| CN212671982U (en) | Water turbine with energy-saving function | |
| CN202612190U (en) | Highly reliable seal drive structure | |
| CN210949242U (en) | Novel bearing seat for pump | |
| CN208416965U (en) | A kind of centrifugal multistage pump multiple centrifugal pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: KUNMING JIAHE SCIENCE AND TECHNOLOGY CO., LTD. Free format text: FORMER NAME: KUNMING JIAHE SCIENCE + TECHNOLOGY DEVELOPMENT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 650501 No. 5-2, information industry base, Kunming economic and Technological Development Zone, Yunnan, Kunming Patentee after: Kunming Jiahe Science and Technology Co., Ltd. Address before: 650501 No. 5-2, information industry base, Kunming economic and Technological Development Zone, Yunnan, Kunming Patentee before: Kunming Jiahe Science & Technology Development Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100623 |