CN211174634U - Self-priming centrifugal pump - Google Patents
Self-priming centrifugal pump Download PDFInfo
- Publication number
- CN211174634U CN211174634U CN201922027290.XU CN201922027290U CN211174634U CN 211174634 U CN211174634 U CN 211174634U CN 201922027290 U CN201922027290 U CN 201922027290U CN 211174634 U CN211174634 U CN 211174634U
- Authority
- CN
- China
- Prior art keywords
- motor
- water pump
- pump
- rotor shaft
- collecting cover
- 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 a self-priming centrifugal pump, its characterized in that: the wind power generator comprises a water pump, a motor, blades, a wind collecting cover and a rotor shaft, wherein the water pump is arranged at the rear end of the motor, the blades and the wind collecting cover are arranged between the water pump and the motor, the rotor shaft is arranged in the middle of the motor, and two ends of the rotor shaft are respectively located in the water pump and the protective cover. Compared with the prior art, the utility model adopts the axial flow fan blade to match with the air collecting cover, and the position of the cooling fan blade is arranged at the middle position of the pump and the motor, so that the load bearing and the motor radiating fin close to the pump end can be effectively cooled, and the service life of the water pump is prolonged; the volute, the impeller, the guide vane, the sealing seat and the air collecting cover are formed by injection molding of PA66+ GF30, so that the pump has the characteristics of high mechanical strength, wear resistance and the like, and the weight of the pump is greatly reduced; the product has better cooling effect on the motor and the load bearing than similar products at home and abroad, has longer service life and has more market competitiveness.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a water pump design technical field, in particular to from inhaling centrifugal pump.
[ background of the invention ]
The requirements of the market on various technologies and appearances of water pumps are higher and higher nowadays, and novelty, reasonability and high efficiency are emphasized on the structural design. The conventional miniature dry-type water pump generally arranges the fan blade at one end of the motor, only plays a role in cooling the radiating fins of the motor, and cannot play an effective cooling effect on a bearing with a higher load at one side of the pump end.
The motor blade of the conventional self-priming centrifugal pump is arranged at the rear end of the motor, and the wind generated by the radial impeller is matched with the fan cover to ventilate, dissipate heat and cool the heat of the cooling fins of the motor shell, so that the motor can be cooled, but the load bearing close to the pump end cannot be cooled effectively.
[ Utility model ] content
An object of the utility model is to overcome above-mentioned prior art not enough, provide a self-priming centrifugal pump.
In order to achieve the above object, the utility model provides a self-priming centrifugal pump, its characterized in that: the wind power generator comprises a water pump, a motor, a protective cover, fan blades, a wind collecting cover and a rotor shaft, wherein the water pump is arranged at the rear end of the motor, the fan blades and the wind collecting cover are arranged between the water pump and the motor, the protective cover is arranged at the front end of the motor, the rotor shaft is arranged in the middle of the motor, and two ends of the rotor shaft are respectively located inside the water pump and the protective cover.
Preferably, a connecting plate is arranged on the outer side of one end, close to the motor, of the water pump, a connecting frame is arranged on the outer side of one end, close to the water pump, of the motor, and a fan blade and a fan cover are arranged between the connecting plate and the connecting frame.
Preferably, the fan blade is an axial flow fan blade.
Preferably, the water pump includes volute, stator, impeller and seal receptacle, the volute is kept away from one side center of motor is equipped with the water inlet, the end of water inlet is equipped with the impeller, the impeller with be equipped with the stator between the volute, the upper portion of volute is equipped with the delivery port, the volute is close to the one end of motor is equipped with the seal receptacle, the one end of rotor shaft passes the seal receptacle with the middle part of impeller is connected.
Preferably, a mechanical seal is provided on an outer wall of a portion of the rotor shaft located inside the seal housing.
The utility model has the advantages that: compared with the prior art, the self-priming centrifugal pump provided by the utility model has reasonable structure, adopts the axial flow fan blade, sets the position of the cooling fan blade at the middle position of the pump and the motor, can simultaneously play an effective heat dissipation and cooling role for the load bearing and the motor cooling fin close to the pump end, and prolongs the service life of the water pump; the volute, the impeller, the guide vane, the sealing seat and the air collecting cover are formed by injection molding of PA66+ GF30, so that the pump has the characteristics of high mechanical strength, wear resistance and the like, and the weight of the pump is greatly reduced; the structure that the axial flow fan blade is matched with the wind collecting cover is adopted, and under the condition that the motor with the same power is used, the air outlet quantity is obviously larger than that of the structure that the radial fan blade is matched with the wind cover; the product has better cooling effect on the motor and the load bearing than similar products at home and abroad, the temperature rise of the stator winding is lower under the same power, better motor cooling effect is obtained, the service life is longer, and the product has more market competitiveness.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a schematic structural view of a self-priming centrifugal pump according to an embodiment of the present invention.
In the figure: 1-volute, 2-guide vane, 3-impeller, 4-seal seat, 5-mechanical seal, 6-connecting plate, 7-wind-collecting cover, 8-fan blade, 9-connecting frame, 10-motor, 11-protective cover, 12-water pump, 121-water inlet, and 122-water outlet.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a self-priming centrifugal pump, which is characterized in that: the wind power generation device is characterized by comprising a water pump 12, a motor 10, a protective cover 11, fan blades 8, a wind collecting cover 7 and a rotor shaft 14, wherein the water pump 12 is arranged at the rear end of the motor 10, the fan blades 8 and the wind collecting cover 7 are arranged between the water pump 12 and the motor 10, the protective cover 11 is arranged at the front end of the motor 10, the rotor shaft 14 is arranged in the middle of the motor 10, and two ends of the rotor shaft 14 are respectively located inside the water pump 12 and the protective cover 11.
The fan is characterized in that a connecting plate 6 is arranged on the outer side of one end, close to the motor 10, of the water pump 12, a connecting frame 9 is arranged on the outer side of one end, close to the water pump 12, of the motor 10, and a fan blade 8 and a wind collecting cover 7 are arranged between the connecting plate 6 and the connecting frame 9.
The fan blades 8 adopt axial flow type fan blades and are matched with the structure of the wind collecting cover 7, and under the condition that the motor 10 with the same power is used, the air outlet quantity is obviously larger than that of the structure that the radial fan blades are matched with the wind collecting cover 7.
The water pump 12 comprises a volute 1, a guide vane 2, an impeller 3 and a sealing seat 4, the volute 1 is far away from a center of one side of the motor 10 is provided with a water inlet 121, the tail end of the water inlet 121 is provided with the impeller 3, the impeller 3 is provided with the guide vane 2 between the volute 1, the upper portion of the volute 1 is provided with a water outlet 122, the volute 1 is close to the sealing seat 4 is arranged at one end of the motor 10, and one end of the rotor shaft 14 penetrates through the sealing seat 4 and the middle of the impeller 3.
Preferably, a mechanical seal 5 is provided on an outer wall of a portion of the rotor shaft 14 located inside the seal holder 4.
The utility model discloses the working process:
the utility model relates to a self-priming centrifugal pump is in the course of the work, motor 10 begins work, drive the transmission of rotor shaft 14, rotor shaft 14 drives impeller 3 and rotates, the pressure in turbine 1 has been changed, make water sucked turbine 1 from water inlet 121, simultaneously under impeller 3's rotation, because centrifugal force is thrown away from delivery port 122, along with the increase of motor 10 operating time, can produce a large amount of heats, be located 8 cooperation air-collecting housings 7 of axial fan blade between motor 10 and the water pump 12, play effectual heat dissipation cooling to load bearing and the 8 fin of motor that are close to water pump 12 end simultaneously, thereby prolong water pump 12's life.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.
Claims (5)
1. A self-priming centrifugal pump is characterized in that: including water pump (12), motor (10), protection casing (11), fan blade (8), wind-collecting cover (7) and rotor shaft (14), the rear end of motor (10) is equipped with water pump (12), be equipped with fan blade (8) and wind-collecting cover (7) between water pump (12) and motor (10), the front end of motor (10) is equipped with protection casing (11), motor (10) interior middle part is equipped with rotor shaft (14), the both ends of rotor shaft (14) are located respectively the inside of water pump (12) and protection casing (11).
2. A self-priming centrifugal pump as recited in claim 1, wherein: the fan is characterized in that a connecting plate (6) is arranged on the outer side of one end, close to the motor (10), of the water pump (12), a connecting frame (9) is arranged on the outer side of one end, close to the water pump (12), of the motor (10), and a fan blade (8) and a wind collecting cover (7) are arranged between the connecting plate (6) and the connecting frame (9).
3. A self-priming centrifugal pump as recited in claim 1, wherein: the fan blade (8) adopts an axial flow type fan blade.
4. A self-priming centrifugal pump as recited in claim 1, wherein: water pump (12) include volute (1), stator (2), impeller (3) and seal receptacle (4), volute (1) is kept away from one side center of motor (10) is equipped with water inlet (121), the end of water inlet (121) is equipped with impeller (3), impeller (3) with be equipped with stator (2) between volute (1), the upper portion of volute (1) is equipped with delivery port (122), volute (1) is close to the one end of motor (10) is equipped with seal receptacle (4), the one end of rotor shaft (14) is passed seal receptacle (4) with the middle part of impeller (3) is connected.
5. A self-priming centrifugal pump as recited in claim 4, wherein: and the outer wall of the part of the rotor shaft (14) positioned in the sealing seat (4) is provided with a mechanical seal (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922027290.XU CN211174634U (en) | 2019-11-22 | 2019-11-22 | Self-priming centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922027290.XU CN211174634U (en) | 2019-11-22 | 2019-11-22 | Self-priming centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211174634U true CN211174634U (en) | 2020-08-04 |
Family
ID=71808297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922027290.XU Active CN211174634U (en) | 2019-11-22 | 2019-11-22 | Self-priming centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211174634U (en) |
-
2019
- 2019-11-22 CN CN201922027290.XU patent/CN211174634U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211046642U (en) | Motor with double cooling channels | |
| CN202167929U (en) | Energy-saving motor with thermal conduction function | |
| CN107044432B (en) | Mute broken wall cooking machine with large heat dissipation air quantity | |
| CN102223010A (en) | Conducting and radiating energy-saving motor | |
| CN111371238B (en) | High heat dissipation type motor device based on fluid coupling | |
| CN211174634U (en) | Self-priming centrifugal pump | |
| CN202906669U (en) | Forced cooling motor structure of volute fan | |
| CN210599468U (en) | Self-cooling water pump | |
| CN203604104U (en) | Novel water turbine for cooling tower | |
| CN214850855U (en) | Motor with heat dissipation structure | |
| CN105041607A (en) | Air cooling air compressor | |
| CN213402732U (en) | Heat radiation structure of motor for electric tool | |
| CN205105046U (en) | A heat dissipation impeller structure for directional operation washing machine motor | |
| CN204984769U (en) | Forced air cooling air compressor machine | |
| CN210041526U (en) | Motor and casing thereof | |
| CN112018959A (en) | Driving motor with efficient heat dissipation function | |
| CN202094760U (en) | Low noise motor of tunnel axial flow fan | |
| CN2859914Y (en) | Liquid cooling electric motor | |
| CN111049321A (en) | Electric machine with double-fan cooling system | |
| CN221503595U (en) | Electric generator | |
| CN210074999U (en) | Efficient cooling system for pump | |
| CN220190625U (en) | Oil cooling motor structure | |
| CN201928141U (en) | Novel motor | |
| CN221227271U (en) | Asynchronous motor with circuit protection structure | |
| CN215911978U (en) | Air cooling structure of motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |