CN107676297A - Impeller of pump anti-drop device - Google Patents
Impeller of pump anti-drop device Download PDFInfo
- Publication number
- CN107676297A CN107676297A CN201710901723.2A CN201710901723A CN107676297A CN 107676297 A CN107676297 A CN 107676297A CN 201710901723 A CN201710901723 A CN 201710901723A CN 107676297 A CN107676297 A CN 107676297A
- Authority
- CN
- China
- Prior art keywords
- impeller
- pump shaft
- face
- dead ring
- pump
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/20—Mounting rotors on shafts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses impeller of pump anti-drop device, including pump shaft and the impeller being connected on pump shaft, the front end of pump shaft is provided with dead ring, dead ring is the annulus matched with pump shaft, the rear end face of dead ring is provided with some locating dowels, the front end face of impeller is provided with some positioning holes, the rear end face of dead ring and the front end face of impeller recline, and locating dowel is in positioning hole, some shrinkage pools are circumferentially provided with the inwall of dead ring, set on the pump shaft side relative with shrinkage pool fluted, fore-set is provided with groove, air bag is provided between the bottom of fore-set and the bottom of groove, inflation path is provided with the center of pump shaft, inflation is provided with the gas tube connected with air bag in path.All parts of the present invention are not easy by corrosion, while are connected reliably, can solve the problems, such as that impeller reversion loosens, and dismantle simple.
Description
Technical field
The present invention relates to a kind of impeller of pump anti-drop device, belong to pump part field.
Background technology
For pump when running well, the hand of spiral and wheel rotation of impeller nut are in opposite direction, when being shut down suddenly in pump,
Reversal development occurs in impeller, and in order to prevent impeller nut from coming off, patent 201720118193.X discloses a kind of anti-drop device,
The device is bolted dead ring, solves the problems, such as that impeller reversion loosens by dead ring；But bolt uses for a long time
Corrosion is easy to, dismounting is very inconvenient.
The content of the invention
In order to solve the above-mentioned technical problem, the invention provides a kind of impeller of pump anti-drop device.
In order to achieve the above object, the technical solution adopted in the present invention is：
Impeller of pump anti-drop device, including pump shaft and the impeller being connected on pump shaft, the front end of pump shaft is provided with dead ring, fastened
Ring is the annulus that is matched with pump shaft, and the rear end face of dead ring is provided with some locating dowels, and it is some fixed that the front end face of impeller is provided with
Position hole, the rear end face of dead ring and the front end face of impeller are reclined, and locating dowel is embedded in positioning hole, edge on the inwall of dead ring
Circumference is provided with some shrinkage pools, sets fluted on the pump shaft side relative with shrinkage pool, and fore-set, the bottom of fore-set are provided with groove
Air bag is provided between end and the bottom of groove, inflation path is provided with the center of pump shaft, inflates and is provided with and gas in path
The gas tube of capsule connection.
Groove insertion shrinkage pool, retraction groove in fore-set end after air bag shrinks are stretched out in fore-set end after air bag expansion.
Sealing ring is provided between the inwall of dead ring and pump shaft side.
Inflation path opening is located on the front end face of pump shaft, and opening is provided with end plug.
The end set of gas tube has valve.
Shrinkage pool is circumferentially uniformly distributed.
The beneficial effect that the present invention is reached：Dead ring is enclosed on pump shaft by the present invention, the rear end face and impeller of dead ring
Front end face recline, locating dowel by gas tube to airbag aeration, makes fore-set end stretch out groove insertion recessed in the positioning hole
Hole, all parts are not easy by corrosion, while are connected reliably, can solve the problems, such as that impeller reversion loosens, and dismantle simple.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating the present invention
Technical scheme, and can not be limited the scope of the invention with this.
As shown in figure 1, impeller of pump anti-drop device, including pump shaft 1 and the impeller 2 that is connected on pump shaft 1, before pump shaft 1
End is provided with dead ring 3, and dead ring 3 is the annulus matched with pump shaft 1, is provided between the inwall of dead ring 3 and the side of pump shaft 1
Sealing ring 11, the rear end face of dead ring 3 are provided with some locating dowels 4, and the front end face of impeller 2 is provided with some positioning holes, fastening
The front end face of the rear end face of ring 3 and impeller 2 is reclined, and locating dowel 4 is embedded in positioning hole, on the inwall of dead ring 3 circumferentially
Some shrinkage pools are provided with, shrinkage pool is circumferentially uniformly distributed, and sets fluted on the side of pump shaft 1 relative with shrinkage pool, is set in groove
Fore-set 6 is equipped with, air bag 7 is provided between the bottom of fore-set 6 and the bottom of groove, groove is stretched out in the end of fore-set 6 after air bag 7 expands
Embedded shrinkage pool, the end retraction groove of fore-set 6 after air bag 7 shrinks, inflation path 5 is provided with the center of pump shaft 1, inflates path 5
For opening on the front end face of pump shaft 1, opening is provided with end plug 10, inflates in path 5 and is provided with the inflation connected with air bag 7
Pipe 8, the end set of gas tube 8 have valve 9.
Dead ring 3 is enclosed on pump shaft 1 by above-mentioned anti-drop device, and the front end face of the rear end face and impeller 2 of dead ring 3 reclines,
Locating dowel 4 is inflated in positioning hole by gas tube to air bag 7, the end of fore-set 6 is stretched out groove insertion shrinkage pool, all portions
Part is not easy by corrosion, while is connected reliably, can solve the problems, such as that the reversion of impeller 2 loosens, and dismantle simple.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these are improved and deformation
Also it should be regarded as protection scope of the present invention.
Claims (6)
1. impeller of pump anti-drop device, including pump shaft and the impeller that is connected on pump shaft, it is characterised in that：The front end of pump shaft is set
There is dead ring, dead ring is the annulus matched with pump shaft, and the rear end face of dead ring is provided with some locating dowels, the front end face of impeller
Some positioning holes are provided with, the rear end face of dead ring and the front end face of impeller recline, and locating dowel fastens in positioning hole
Some shrinkage pools are circumferentially provided with the inwall of ring, set fluted on the pump shaft side relative with shrinkage pool, are provided with groove
Fore-set, air bag is provided between the bottom of fore-set and the bottom of groove, inflation path is provided with the center of pump shaft, inflates path
Inside it is provided with the gas tube connected with air bag.
2. impeller of pump anti-drop device according to claim 1, it is characterised in that：Fore-set end is stretched out recessed after air bag expansion
Groove is embedded in shrinkage pool, retraction groove in fore-set end after air bag shrinks.
3. impeller of pump anti-drop device according to claim 1, it is characterised in that：The inwall of dead ring and pump shaft side it
Between be provided with sealing ring.
4. impeller of pump anti-drop device according to claim 1, it is characterised in that：Before inflation path opening is located at pump shaft
On end face, opening is provided with end plug.
5. impeller of pump anti-drop device according to claim 1, it is characterised in that：The end set of gas tube has valve.
6. impeller of pump anti-drop device according to claim 1, it is characterised in that：Shrinkage pool is circumferentially uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710901723.2A CN107676297A (en) | 2017-09-28 | 2017-09-28 | Impeller of pump anti-drop device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710901723.2A CN107676297A (en) | 2017-09-28 | 2017-09-28 | Impeller of pump anti-drop device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107676297A true CN107676297A (en) | 2018-02-09 |
Family
ID=61139272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710901723.2A Pending CN107676297A (en) | 2017-09-28 | 2017-09-28 | Impeller of pump anti-drop device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107676297A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109782301A (en) * | 2019-01-28 | 2019-05-21 | 倪岚霖 | A kind of pilotless automobile laser radar easy for installation |
| CN112146158A (en) * | 2019-06-26 | 2020-12-29 | 日立江森自控空调有限公司 | Air conditioner |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4130374A (en) * | 1977-08-10 | 1978-12-19 | Milton Roy Company | Centrifugal pump assembly |
| CN203081849U (en) * | 2012-12-31 | 2013-07-24 | 石家庄联合盛鑫泵业股份有限公司 | Impeller anti-dropping device for pump |
| CN203940109U (en) * | 2014-07-22 | 2014-11-12 | 浙江加耐特阀门科技有限公司 | A kind of sealed valve stem |
| CN205227869U (en) * | 2015-11-30 | 2016-05-11 | 天津滨海设备配套技术有限公司 | Solar energy collection manages connection structure |
| CN206439226U (en) * | 2017-02-09 | 2017-08-25 | 石家庄联合盛鑫泵业有限公司 | Impeller of pump anti-drop device |
-
2017
- 2017-09-28 CN CN201710901723.2A patent/CN107676297A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4130374A (en) * | 1977-08-10 | 1978-12-19 | Milton Roy Company | Centrifugal pump assembly |
| CN203081849U (en) * | 2012-12-31 | 2013-07-24 | 石家庄联合盛鑫泵业股份有限公司 | Impeller anti-dropping device for pump |
| CN203940109U (en) * | 2014-07-22 | 2014-11-12 | 浙江加耐特阀门科技有限公司 | A kind of sealed valve stem |
| CN205227869U (en) * | 2015-11-30 | 2016-05-11 | 天津滨海设备配套技术有限公司 | Solar energy collection manages connection structure |
| CN206439226U (en) * | 2017-02-09 | 2017-08-25 | 石家庄联合盛鑫泵业有限公司 | Impeller of pump anti-drop device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109782301A (en) * | 2019-01-28 | 2019-05-21 | 倪岚霖 | A kind of pilotless automobile laser radar easy for installation |
| CN112146158A (en) * | 2019-06-26 | 2020-12-29 | 日立江森自控空调有限公司 | Air conditioner |
| CN112146158B (en) * | 2019-06-26 | 2022-07-15 | 日立江森自控空调有限公司 | Air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180209 |