CN217873296U - Axial flow pump - Google Patents
Axial flow pump Download PDFInfo
- Publication number
- CN217873296U CN217873296U CN202221987429.0U CN202221987429U CN217873296U CN 217873296 U CN217873296 U CN 217873296U CN 202221987429 U CN202221987429 U CN 202221987429U CN 217873296 U CN217873296 U CN 217873296U
- Authority
- CN
- China
- Prior art keywords
- main shaft
- cavity
- assembly
- water
- guide vane
- 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.)
- Active
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides an axial-flow pump, which comprises a guide vane body, a water pipe component, a main shaft, an impeller and a sealing and stabilizing component; the water pipe assembly comprises a water pipe main body, a water flow cavity, a water inlet port and a water outlet port, the guide vane body penetrates into the water flow cavity and is connected with the water pipe main body, a water flow channel is reserved between the outer wall surface of the guide vane body and the inner wall surface of the water flow cavity, and a main shaft cavity is arranged in the guide vane body; a main shaft penetrates into the main shaft cavity, a driving part is assembled at the first end of the main shaft close to the first opening, and the second end of the main shaft penetrates out of the main shaft cavity and is connected with the impeller; the sealing stabilizing component is blocked in the cavity of the main shaft. The utility model discloses, adopt guide vane body structure, inside the guide vane body was located the water pipe main part, can reduce axial-flow pump's holistic area, guide vane internal portion was equipped with the stable subassembly of seal moreover, can improve main shaft pivoted stability, also had fine sealed effect simultaneously, avoided the rivers to flow out the axial-flow pump outside through the guide vane body.
Description
Technical Field
The utility model relates to an axial-flow pump technical field specifically, relates to axial-flow pump.
Background
With the frequent urban inland inundation in recent years, the demand of the axial-flow pump is more and more large, and the axial-flow pump can quickly pump away the accumulated water; in the production process of large-scale agriculture, the axial flow pump is also an indispensable tool.
The existing axial-flow pump generally adopts a form that a main shaft directly penetrates a water pipe assembly, then a corresponding assembly seat for main shaft connection is arranged on the outer surface of the water pipe assembly, meanwhile, a corresponding sealing assembly is assembled in the assembly seat, the phenomenon that water flows out of the axial-flow pump from a gap between the assembly seat and the main shaft is avoided, the axial-flow pump is increased in size to a certain extent due to the fact that the assembly seat is arranged outside the water pipe assembly, the main shaft penetrates into the water pipe assembly, and the main shaft is not provided with a corresponding stable structure, and is poor in rotating stability.
Disclosure of Invention
To the defect among the prior art, the utility model aims at providing an axial-flow pump.
According to the utility model provides an axial-flow pump, including guide vane body, water pipe assembly, main shaft, impeller and sealed stable assembly; wherein the content of the first and second substances,
the water pipe assembly comprises a water pipe body, a water flow cavity, a water inlet port and a water outlet port, the water flow cavity is arranged inside the water pipe body, the water inlet port and the water outlet port are arranged on the water pipe body, and the water inlet port and the water outlet port are communicated with the water flow cavity;
the guide vane body penetrates into the water flow cavity and is connected with the water pipe main body, a water flow channel is reserved between the outer wall surface of the guide vane body and the inner wall surface of the water flow cavity, a main shaft cavity is arranged in the guide vane body, the main shaft cavity is provided with a first opening and a second opening, and the second opening of the main shaft cavity is positioned in the water flow cavity;
a main shaft penetrates into the main shaft cavity, a gap is reserved between the outer wall surface of the main shaft and the inner wall surface of the main shaft cavity, a driving part is assembled at the first end, close to the first opening, of the main shaft, the second end of the main shaft penetrates out of the main shaft cavity and is connected with an impeller, and the impeller is arranged at a position, close to a water inlet port, in the water flow cavity;
the sealing stabilizing component is plugged inside the main shaft cavity and used for enabling the main shaft to stably rotate and preventing water flow from flowing into the main shaft cavity above the sealing stabilizing component.
Optionally, the sealing and stabilizing assembly comprises a frame, the frame is plugged inside the main shaft cavity, the frame comprises a first assembly cavity, a second assembly cavity, a penetrating hole, a middle hole and a penetrating hole, the main shaft penetrates into the first assembly cavity through the penetrating hole, penetrates into the second assembly cavity through the middle hole, penetrates out of the frame through the penetrating hole, the first assembly cavity is internally provided with a first stabilizing part, the second assembly cavity is internally provided with a sealing part, and the first stabilizing part and the sealing part are arranged along the circumferential direction of the main shaft.
Optionally, the frame further comprises a lower edge part, a framework oil seal is assembled in the lower edge part, and the framework oil seal is arranged along the circumferential direction of the main shaft.
Optionally, when the first stabilizing part is a bearing, an inner ring of the bearing is connected with the main shaft through an elastic clamp spring, and an outer ring of the bearing is connected with the inner wall of the first assembling cavity.
Optionally, the frame includes main part, upper end cover and lower end cover, and the main part both ends are provided with first opening and second opening respectively, and upper end cover covering connection is at first opening part, and the hole setting of wearing is on the upper end cover, and lower end cover covering connection is at the second opening part, and the hole setting of wearing out is on the lower end cover, and the hole of wearing out switches on with second assembly chamber, and first assembly chamber and second assembly chamber set up inside the main part, and first assembly chamber and second assembly chamber communicate through the centre bore.
Optionally, the drive part and the first end of the spindle are assembled in a manner that:
the end of the first end of the main shaft is provided with an inner gear hole, a gear is tightly assembled in the inner gear hole, the gear is matched with the inner gear hole, and the gear is connected with the output end of the driving part.
Optionally, still include the second stabilizer, the second stabilizer sets up in the main shaft intracavity portion, and the second stabilizer follows the circumference setting of main shaft, and the stable subassembly of sealed is kept away from to the second stabilizer.
Optionally, the water pipe main part includes play water return bend, straight tube and bell mouth, and the connection can be dismantled to the first end of play water return bend and straight tube, and the connection can be dismantled to the second end and the bell mouth of straight tube, and the port setting of intaking is in bell mouth department, and the port setting of going out is in a water return bend department.
Optionally, the connection mode of the impeller and the main shaft is as follows:
the outer wall surface of the main shaft is provided with a key, the corresponding impeller is provided with a key groove, the key is assembled in the key groove, and the main shaft is connected with the impeller through a bolt.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides a pair of axial-flow pump adopts guide vane body structure, and the guide vane body is located inside the water pipe main part, can reduce axial-flow pump's holistic area, and guide vane body internal portion is equipped with sealed stabilizing assembly moreover, can improve main shaft pivoted stability, also has fine sealed effect simultaneously, avoids the rivers to flow out the axial-flow pump outside through the guide vane body.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is the structure schematic diagram of the axial-flow pump provided by the utility model.
In the figure: 1. a drive section; 2. a second stabilizing section; 3. a water outlet bent pipe; 4. a main shaft; 5. a guide vane body; 6. a straight pipe; 7. a main body part; 8. a lower end cover; 9. an impeller; 10. a bell mouth; 11. framework oil seal; 12. a lower edge portion; 13. a sealing part; 14. a first stabilizing section; 15. an upper end cover; 16. a gasket; 17. assembling a base; 18. and an elastic clamp spring.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
As shown in fig. 1, the axial-flow pump of the present invention may include a guide vane body, a water pipe assembly, a main shaft, an impeller and a seal stabilizing assembly; wherein, the first and the second end of the pipe are connected with each other,
the water pipe assembly comprises a water pipe main body, a water flow cavity, a water inlet port and a water outlet port, wherein the water flow cavity is arranged inside the water pipe main body, the water inlet port and the water outlet port are arranged on the water pipe main body, the water inlet port and the water outlet port are communicated with the water flow cavity, the water inlet end is arranged at the bottom of the water pipe main body, and the water outlet port is generally arranged at the upper part of the water pipe main body;
the guide vane body 5 penetrates into the water flow cavity and is connected with the water pipe body, the connection mode can be that an assembly seat 17 is arranged on the water pipe body, the guide vane body 5 can be in a welding connection or bolt connection mode with the assembly seat 17, in addition, in order to achieve the sealing performance between the guide vane body 5 and the assembly seat 17, an assembly groove can be arranged on the guide vane body 5, a sealing gasket 16 is assembled in the assembly groove, the sealing gasket 16 protrudes out of the assembly groove and is contacted with the assembly seat, a water flow channel is reserved between the outer wall surface of the guide vane body and the inner wall surface of the water flow cavity, a main shaft cavity is arranged inside the guide vane body 5, the main shaft cavity is provided with a first opening and a second opening, and the second opening of the main shaft cavity is positioned inside the water flow cavity;
a main shaft 4 penetrates into the main shaft cavity, a gap is reserved between the outer wall surface of the main shaft 4 and the inner wall surface of the main shaft cavity, a driving part 1 is assembled at the first end, close to the first opening, of the main shaft 4, in the embodiment, the driving part 1 adopts a hydraulic motor, and the second end of the main shaft 4 penetrates out of the main shaft cavity and is connected with an impeller 9;
the sealing stabilizing component is plugged inside the main shaft cavity and used for enabling the main shaft 4 to stably rotate and preventing water flow from flowing into the main shaft cavity above the sealing stabilizing component.
In practical application, after long-term use, the water pipe may face the condition that objects inside the water pipe body need to be overhauled and maintained, therefore, the water pipe body may be designed to include the water outlet bent pipe 3, the straight pipe 6 and the bell mouth 10, the water outlet bent pipe 3 may be detachably connected to the first end of the straight pipe 6, the second end of the straight pipe 6 may be detachably connected to the bell mouth 10, the water inlet port is disposed at the bell mouth 10, and the water outlet port is disposed at the water outlet bent pipe 3, wherein the detachable connection manner may be a bolt connection or a detachable connection manner of other types, and in order to avoid the condition that water leakage occurs at the connection position before the water outlet bent pipe 3, the straight pipe 6 and the bell mouth 10, the connection position between the water outlet bent pipe 3 and the straight pipe 6, and the connection position between the straight pipe 6 and the bell mouth 10 are further provided with the sealing gaskets 16.
It can be understood that, in order to reduce the cost and improve the transmission efficiency, the first ends of the driving part 1 and the main shaft 4 are assembled in the following way:
the tip of the first end of main shaft 4 is provided with the internal gear hole, and the gear is hugged closely in the internal gear hole and is equipped with the gear, gear and internal gear hole looks adaptation, and the gear is connected with the output of drive division 1.
Generally, in order to make the structure of the sealing stabilizing component simpler, the sealing stabilizing component may include a frame, the frame is plugged inside the main shaft cavity, the plugging mode of the frame may be a shape adapted to the main shaft cavity, the frame may be connected to the inner wall surface of the main shaft cavity through a bolt, the frame includes a first assembly cavity, a second assembly cavity, a through hole, a middle hole and a through hole, the main shaft 4 penetrates the first assembly cavity through the through hole, the second assembly cavity penetrates the middle hole, and the frame penetrates through the through hole, the first assembly cavity is internally equipped with a first stabilizing portion 14, the second assembly cavity is internally equipped with a sealing portion 13, the first stabilizing portion 14 and the sealing portion 13 are both arranged along the circumferential direction of the main shaft, wherein the sealing portion 13 generally adopts a mechanical sealing structure.
On the basis of the sealing and stabilizing assembly, in order to conveniently overhaul or replace the structure inside the frame, the frame comprises a main body part 7, an upper end cover 15 and a lower end cover 8, two ends of the main body part 7 are respectively provided with a first opening and a second opening, the upper end cover 15 is connected to the first opening in a covering mode, a penetrating hole is formed in the upper end cover 15, the lower end cover 8 is connected to the second opening in a covering mode, a penetrating hole is formed in the lower end cover 8 and communicated with a second assembling cavity, the first assembling cavity and the second assembling cavity are arranged inside the main body part 7 and communicated through middle holes, the upper end cover 15 is connected with the first opening through bolts, a sealing gasket 16 is arranged between the upper end cover 15 and the first opening, similarly, the lower end cover 8 is connected with the second opening through bolts, and a sealing gasket 16 is arranged between the lower end cover 8 and the second opening.
In order to further improve the leakproofness of the stable subassembly of sealed, the frame still includes lower edge portion 12, and lower edge portion 12 generally connects on lower end cover 8, and lower edge portion 12 generally can be a structure with the frame, and lower edge portion 12 generally is the joint groove that corresponds, is equipped with skeleton oil blanket 11 in the lower edge portion, and skeleton oil blanket 11 sets up along the circumference of main shaft 4, and skeleton oil blanket 11 can the joint in the joint inslot.
It can be understood that, in order to make the first stabilizing portion 14 convenient to purchase, when the first stabilizing portion 14 is generally a bearing, the inner ring of the bearing is connected with the main shaft 4 through the elastic snap spring 18, and the outer ring of the bearing is connected with the inner wall of the first assembling cavity, and the connection mode can be welding.
On the basis of the first stabilizer, in order to further improve the stability of the rotation of the main shaft, a second stabilizer 2 may be further provided, the second stabilizer 2 is disposed inside the cavity of the main shaft, the second stabilizer 2 is disposed along the circumferential direction of the main shaft, the second stabilizer 2 is away from the seal stabilizer assembly, the second stabilizer 2 may also be a bearing, and the assembly manner may refer to the first stabilizer 14.
In order to improve the stability of the connection of the impeller 9 and the main shaft 4,
the connection between the impeller 9 and the main shaft 4 may be:
the outer wall surface of the main shaft 4 is provided with a key 19, the corresponding impeller is provided with a key groove, the key 19 is assembled in the key groove, the main shaft is connected with the impeller 9 through a bolt, and a gasket is arranged at the contact position of the head of the bolt and the impeller 9.
When the axial flow pump works, the hydraulic motor inputs power, the power is transmitted to the main shaft 4 through the gear, the main shaft 4 transmits the power to the impeller 9 through the key 19, the impeller 9 obtains the power and rotates to suck liquid from the bell mouth 10, a water flow channel is reserved between the outer wall surface of the guide vane body 5 and the inner wall surface of the water flow cavity, and the liquid with pressure is discharged from the water outlet bent pipe 3.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the essential spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (9)
1. An axial flow pump is characterized by comprising a guide vane body, a water pipe assembly, a main shaft, an impeller and a sealing and stabilizing assembly; wherein the content of the first and second substances,
the water pipe assembly comprises a water pipe body, a water flow cavity, a water inlet port and a water outlet port, the water flow cavity is arranged inside the water pipe body, the water inlet port and the water outlet port are arranged on the water pipe body, and the water inlet port and the water outlet port are communicated with the water flow cavity;
the guide vane body penetrates into the water flow cavity and is connected with the water pipe main body, a water flow channel is reserved between the outer wall surface of the guide vane body and the inner wall surface of the water flow cavity, a main shaft cavity is arranged in the guide vane body and provided with a first opening and a second opening, and the second opening of the main shaft cavity is positioned in the water flow cavity;
a main shaft penetrates into the main shaft cavity, a gap is reserved between the outer wall surface of the main shaft and the inner wall surface of the main shaft cavity, a driving part is assembled at the first end, close to the first opening, of the main shaft, the second end of the main shaft penetrates out of the main shaft cavity and is connected with an impeller, and the impeller is arranged at the position, close to the water inlet port, in the water flow cavity;
the sealing stabilizing assembly is plugged inside the main shaft cavity and used for enabling the main shaft to stably rotate and preventing water flow from flowing into the main shaft cavity above the sealing stabilizing assembly.
2. The axial flow pump of claim 1, wherein: the sealing and stabilizing assembly comprises a frame, the frame is plugged inside a main shaft cavity, the frame comprises a first assembly cavity, a second assembly cavity, a penetrating hole, a middle hole and a penetrating hole, the main shaft penetrates the first assembly cavity through the penetrating hole, the middle hole penetrates the second assembly cavity, the penetrating hole penetrates out of the frame, a first stabilizing portion is assembled inside the first assembly cavity, a sealing portion is assembled inside the second assembly cavity, and the first stabilizing portion and the sealing portion all extend along the circumferential direction of the main shaft.
3. The axial flow pump of claim 2, wherein: the frame still includes lower edge portion, be equipped with the skeleton oil blanket in the lower edge portion, just the skeleton oil blanket is followed the circumference setting of main shaft.
4. The axial flow pump of claim 2, wherein: when the first stabilizing part is a bearing, the inner ring of the bearing is connected with the main shaft through the elastic clamp spring, and the outer ring of the bearing is connected with the inner wall of the first assembling cavity.
5. The axial flow pump of claim 2, wherein: the frame includes main part, upper end cover and lower end cover, the main part both ends are provided with first opening and second opening respectively, the upper end cover is covered and is connected first opening part, it is in to wear the hole setting the upper end cover is last, the lower end cover covers and connects the second opening part, it is in to wear the hole setting on the lower end cover, wear the hole with second assembly chamber switches on, first assembly chamber with second assembly chamber sets up inside the main part, just first assembly chamber with second assembly chamber is through the centre bore intercommunication.
6. The axial flow pump of claim 2, wherein: the assembly mode of the driving part and the first end of the main shaft is as follows:
the end part of the first end of the main shaft is provided with an inner gear hole, a gear is tightly assembled in the inner gear hole, the gear is matched with the inner gear hole, and the gear is connected with the output end of the driving part.
7. The axial flow pump of claim 1, further comprising a second stabilizer disposed inside the main shaft cavity, the second stabilizer disposed along a circumference of the main shaft, and the second stabilizer being distal from the seal stabilizing assembly.
8. The axial-flow pump of claim 1, wherein the water tube body includes an outlet elbow, a straight tube, and a bell mouth, the outlet elbow being removably connected to a first end of the straight tube, a second end of the straight tube being removably connected to the bell mouth, the inlet port being disposed at the bell mouth, and the outlet port being disposed at the outlet elbow.
9. The axial flow pump of claim 1, wherein the impeller and the main shaft are connected in a manner that:
the outer wall surface of the main shaft is provided with a key, a key groove is formed in the corresponding impeller, the key is assembled in the key groove, and the main shaft is connected with the impeller through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221987429.0U CN217873296U (en) | 2022-07-29 | 2022-07-29 | Axial flow pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221987429.0U CN217873296U (en) | 2022-07-29 | 2022-07-29 | Axial flow pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217873296U true CN217873296U (en) | 2022-11-22 |
Family
ID=84056297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221987429.0U Active CN217873296U (en) | 2022-07-29 | 2022-07-29 | Axial flow pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217873296U (en) |
-
2022
- 2022-07-29 CN CN202221987429.0U patent/CN217873296U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210265163U (en) | Centrifugal pump with good sealing effect | |
| CN2913692Y (en) | Centrifugal pump | |
| CN217873296U (en) | Axial flow pump | |
| CN210041512U (en) | Motor casing of roots vacuum pump | |
| CN211976026U (en) | Impeller type anti-blocking rotating joint | |
| CN209115334U (en) | Water-ring vacuum pump | |
| CN210013818U (en) | External gear pump | |
| CN207393488U (en) | Large-scale alkali pump pump body structure | |
| CN205277838U (en) | Impeller import sealing device and self priming pump of self priming pump | |
| CN217898255U (en) | Fan backflow shaft seal structure | |
| CN220319886U (en) | Energy-saving petrol engine water pump | |
| CN219932440U (en) | Corrosion-resistant rubber-lined rotor pump | |
| CN218953674U (en) | Balanced vane pump | |
| CN218670626U (en) | Split type rotary joint | |
| CN205478342U (en) | Spiral case formula mixed flow pump | |
| CN205446159U (en) | High -efficient double suction centrifugal pump structure | |
| CN210715121U (en) | Centrifugal pump | |
| CN218522814U (en) | Sewage pump | |
| CN214998232U (en) | Energy-saving water pump with double-output structure | |
| CN113898590B (en) | High-sealing self-priming pump | |
| CN218953478U (en) | Axle joins in marriage class cycloid hydraulic motor | |
| CN220470292U (en) | Water pump structure convenient to connect | |
| CN109296533A (en) | Water-ring vacuum pump | |
| CN220555996U (en) | Sealing connection mechanism of submersible pump | |
| CN215719573U (en) | High-volume-efficiency single-stage pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |