CN216278536U - Direct-current brushless mute circulating water pump - Google Patents
Direct-current brushless mute circulating water pump Download PDFInfo
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- CN216278536U CN216278536U CN202122806625.5U CN202122806625U CN216278536U CN 216278536 U CN216278536 U CN 216278536U CN 202122806625 U CN202122806625 U CN 202122806625U CN 216278536 U CN216278536 U CN 216278536U
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Abstract
The utility model discloses a direct-current brushless mute circulating water pump which comprises a pump cover, a pump shell and a rear cover, wherein the pump shell is fixedly connected with the rear cover and the pump cover respectively, a water-isolating sleeve is also fixedly arranged in the pump shell, a first boss and a second boss are arranged on the water-isolating sleeve, a rotor mounting cavity and a shaft fixing cavity are respectively arranged in the first boss and the second boss, a solenoid is arranged on the outer side of the first boss, a control plate is arranged on the outer side of the second boss, a shaft is fixed in the shaft fixing cavity, a rotor matched with the shaft is arranged in the rotor mounting cavity, a plurality of arc-shaped impellers are uniformly arranged on the rotor, and the outer side surfaces of the impellers are oblique side surfaces; the rotor is in a suspension state all the time when rotating, noise generated by mechanical friction is reduced, the rotor and the rotor magnetic ring are molded together in an injection mode and are tightly attached to each other concentrically, water flow is intensively thrown out from the outer side face of the impeller when the rotor rotates, the effects of muting the water pump and quickly exhausting the inner cavity of the water pump are achieved, and in addition, the split structure of the pump shell and the rear cover facilitates filling and sealing in subsequent steps.
Description
Technical Field
The utility model relates to a water pump, in particular to a direct-current brushless mute circulating water pump.
Background
The brushless direct-current water pump is a machine which is driven by a direct-current to rotate a brushless motor, and the brushless motor rotates to drive a impeller to rotate, so that the liquid pressure is increased to achieve the effect of conveying liquid.
The conventional equipment such as a water heating blanket, a water heating kang and the like is internally provided with a circulating water pump to enhance the fluidity of internal water flow, when the equipment is used, a user generally stays in a rest or sleep state, but in the working process of the conventional brushless direct-current water pump, noise is generated due to mutual friction between a rotor and a component or air, the whole noise of the water pump is high, the vibration amplitude is large, the air exhaust of the water pump is slow, and the rest of the user is influenced; in addition, the water pump is low in encapsulation efficiency and production efficiency.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a direct-current brushless mute circulating water pump.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
a direct-current brushless mute circulating water pump comprises a pump cover and a pump shell, the water pump also comprises a rear cover, the top of the pump shell is fixedly connected with the rear cover to ensure that the rear end of the pump shell is completely opened, the bottom of the pump shell is fixedly connected with the pump cover through threads, a water-proof sleeve is also fixedly arranged in the pump shell, the center of the water-proof sleeve is provided with a first boss, the center of the top surface of the first boss is provided with a second boss, the first boss is internally provided with a rotor mounting cavity, the second boss is internally provided with a shaft fixing cavity, the outer side of the first boss is concentrically provided with a solenoid, the outer side of the second boss is concentrically provided with a control plate, a shaft is fixed in the shaft fixing cavity, a rotor matched with the shaft is arranged in the rotor mounting cavity, the rotor is uniformly provided with a plurality of arc-shaped impellers, and the impellers comprise top surfaces, bottom surfaces, inner side surfaces and outer side surfaces, wherein, the lateral surface is the skew side.
The bottom surface of the water-resisting sleeve is provided with a sealing ring corresponding to the pump cover, the center of the pump cover is provided with a shaft fixing seat corresponding to the shaft, one end of the shaft is fixed on the shaft fixing cavity, and the other end of the shaft is fixed on the shaft fixing seat.
The pump cover bottom surface center is provided with the water inlet, be provided with the delivery port on the pump cover side, axle fixing base lateral wall evenly is provided with a plurality of fixed bolsters of being connected with the water inlet, the axle fixing base sets up water inlet center.
The rotor is concentrically provided with a rotor magnetic ring, the rotor is provided with fixed blocks respectively corresponding to two ends of the rotor magnetic ring, the bottom surface of the rotor is provided with a circular groove, and the edge of the groove is uniformly provided with a plurality of balance holes.
The top surface and the bottom surface are parallel to each other, the edge of one side of the top surface close to the inner side surface vertically corresponds to the edge of one side of the bottom surface close to the inner side surface, and the edge of the outer side surface close to the inner side surface inclines by 5-15 degrees.
The solenoid is provided with corresponding mount, the mount is provided with the jack catch of a plurality of corresponding control panels.
And a lead port is arranged at the edge of the side wall of the rear cover.
The utility model has the beneficial effects that: the pump cover, the pump shell and the rear cover are concentrically provided with the shaft, the rotor, the water separation sleeve, the coil and the control panel, the structure is compact, the operation is stable, the rotor is always in a suspension state during rotation, the noise generated by mechanical friction is reduced, the rotor and the rotor magnetic ring are molded by injection together and are tightly attached and concentric, the rotor magnetic ring and the impeller are concentrically arranged, the outer side surface of the impeller is an inclined side surface, water flow is intensively thrown out from the outer side surface of the impeller when the rotor rotates, the effects of muting the water pump and fast exhausting of the inner cavity of the water pump are realized, in addition, the split structure of the pump shell and the rear cover is convenient for encapsulation in the subsequent steps, and the encapsulation efficiency is improved.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a schematic structural view of the present invention;
fig. 4 is a schematic view of the structure of the rotor.
Detailed Description
Referring to fig. 1 to 4, a direct current brushless mute circulating water pump comprises a pump cover 1 and a pump case 2, the water pump further comprises a rear cover 3, the top of the pump case 2 is fixedly connected with the rear cover 3, the bottom of the pump case 2 is fixedly connected with the pump cover 1 through threads, a water-separating sleeve 4 is fixedly arranged in the pump case 2, a first boss 41 is arranged at the center of the water-separating sleeve 4, a second boss 42 is arranged at the center of the top surface of the first boss 41, a rotor installation cavity is arranged in the first boss 41, a shaft fixing cavity is arranged in the second boss 42, a coil 5 is concentrically arranged at the outer side of the first boss 41, a control plate 6 is concentrically arranged at the outer side of the second boss 42, a shaft 7 is fixedly arranged in the shaft fixing cavity, a rotor 71 matched with the shaft 7 is arranged in the rotor installation cavity, and a plurality of arc-shaped impellers 72 are uniformly arranged on the rotor 71, the impeller 72 comprises a top surface, a bottom surface, an inner side surface and an outer side surface, wherein the outer side surface is an inclined side surface; the top of the pump shell 2 is fixedly connected with the rear cover 3, so that the rear end of the pump shell 2 is completely opened, the filling and sealing in the subsequent steps are facilitated, and the filling and sealing efficiency is improved.
The sealing ring 43 corresponding to the pump cover 1 is arranged on the bottom surface of the water separating sleeve 4, the shaft fixing seat 11 corresponding to the shaft 7 is arranged at the center of the pump cover 1, one end of the shaft 7 is fixed in the shaft fixing cavity, the other end of the shaft 7 is fixed in the shaft fixing seat 11, the shaft 7, the rotor 71 and the like are guaranteed to be arranged in the same circle center, the structure is compact, the operation is stable, the rotors are always in a suspension state during operation, and noise generated by mutual mechanical friction is reduced.
The pump cover is characterized in that a water inlet 12 is formed in the center of the bottom surface of the pump cover 1, a water outlet 13 is formed in the side surface of the pump cover 1, a plurality of fixing supports 14 connected with the water inlet 12 are uniformly arranged on the side wall of the shaft fixing seat 11, the shaft fixing seat 11 is arranged at the center of the water inlet 12, water flow enters the pump cover 1 through the water inlet 12, the rotor 71 rotates around the shaft 7, the arc-shaped impeller 72 rotates synchronously during rotation, the water flow is thrown out from the outer side of the impeller in a centralized mode, and the effects of muting of a water pump and fast exhaust of an inner cavity of the water pump are achieved.
The water pump is characterized in that a rotor magnetic ring 73 is concentrically arranged on the rotor 71, fixing blocks 74 corresponding to two ends of the rotor magnetic ring 73 are arranged on the rotor 71 respectively to prevent the rotor magnetic ring 73 from loosening, a circular groove 75 is arranged on the bottom surface of the rotor 71, a plurality of balance holes 76 are uniformly arranged on the edge of the groove 75, a pump cavity is formed between the pump cover 1 and the water stop sleeve 4, and the balance holes 76 can quickly discharge air in the pump cavity from the water outlet 13 when the water pump works, so that noise generated by the air is reduced.
When the rotor is manufactured, the rotor magnetic ring 73 with the hollow structure is manufactured firstly, after the manufacturing is completed, the rotor magnetic ring 73 is placed into a rotor mold to be integrally injection-molded into the rotor 71, the rotor magnetic ring 73 is tightly matched with the rotor 71 and is not easy to loosen, meanwhile, the rotor magnetic ring 73 and the arc-shaped impeller 72 on the rotor 71 are arranged concentrically, the rotor is not easy to shake in the rotating process, and the working noise is reduced.
The top surface and the bottom surface are parallel to each other, the edge of one side, close to the inner side surface, of the top surface vertically corresponds to the edge of one side, close to the inner side surface, of the bottom surface, the outer side surface inclines by 5 degrees to 15 degrees towards the edge of one side, close to the inner side surface, of the bottom surface, the inclined outer side surface on the impeller enables water flow to be intensively thrown out of the outer side of the impeller when the rotor moves, and the effects of muting the water pump and quickly exhausting the inner cavity of the water pump are achieved.
The solenoid 5 is provided with corresponding mount 51, mount 51 is provided with a plurality of jack catchs 52 that correspond control panel 6, the solenoid 5 not only is fixed to mount 51, and jack catchs 52 on the mount 51 can also effectively be fixed control panel 6.
In current water pump production technology, the subassembly such as solenoid, control panel is put into and need wear out the lead wire from the back lid after the pump case, this application 3 lateral wall edges of back lid are provided with lead wire mouth 31, and the lead wire is directly drawn forth from pump case side fluting department after putting into the pump case to improve production efficiency.
The above embodiments do not limit the scope of the present invention, and those skilled in the art can make equivalent modifications and variations without departing from the overall concept of the present invention.
Claims (7)
1. A direct-current brushless mute circulating water pump comprises a pump cover (1) and a pump shell (2), and is characterized in that the water pump further comprises a rear cover (3), the top of the pump shell (2) is fixedly connected with the rear cover (3), the bottom of the pump shell (2) is fixedly connected with the pump cover (1) through threads, a water separating sleeve (4) is fixedly arranged in the pump shell (2), a first boss (41) is arranged at the center of the water separating sleeve (4), a second boss (42) is arranged at the center of the top surface of the first boss (41), a rotor installation cavity is arranged in the first boss (41), a shaft fixing cavity is arranged in the second boss (42), a solenoid (5) is arranged at the outer side of the first boss (41) in a concentric manner, a control panel (6) is arranged at the outer side of the second boss (42) in a concentric manner, and a shaft (7) is fixed in the shaft fixing cavity, the improved motor rotor is characterized in that a rotor (71) matched with the shaft (7) is arranged in the rotor mounting cavity, a plurality of arc-shaped impellers (72) are uniformly arranged on the rotor (71), each impeller (72) comprises a top surface, a bottom surface, an inner side surface and an outer side surface, and the outer side surfaces are oblique side surfaces.
2. The direct-current brushless mute circulating water pump according to claim 1, wherein the bottom surface of the water-separating sleeve (4) is provided with a sealing ring (43) corresponding to the pump cover (1), the center of the pump cover (1) is provided with a shaft fixing seat (11) corresponding to the shaft (7), one end of the shaft (7) is fixed in the shaft fixing cavity, and the other end of the shaft (7) is fixed in the shaft fixing seat (11).
3. The direct-current brushless mute circulating water pump according to claim 2, wherein the pump cover (1) is provided with a water inlet (12) at the center of the bottom surface, the pump cover (1) is provided with a water outlet (13) at the side surface, the side wall of the shaft fixing seat (11) is uniformly provided with a plurality of fixing brackets (14) connected with the water inlet (12), and the shaft fixing seat (11) is arranged at the center of the water inlet (12).
4. The dc brushless mute water circulating pump as claimed in claim 1, wherein the rotor (71) is concentrically provided with a rotor magnetic ring (73), the rotor (71) is provided with fixing blocks (74) respectively corresponding to two ends of the rotor magnetic ring (73), the bottom surface of the rotor (71) is provided with a circular groove (75), and the edge of the groove (75) is uniformly provided with a plurality of balancing holes (76).
5. The dc brushless mute water circulating pump according to claim 1, wherein the top surface and the bottom surface are parallel to each other, the edge of the top surface on the side close to the inner side surface vertically corresponds to the edge of the bottom surface on the side close to the inner side surface, and the outer side is inclined 5 ° to 15 ° to the edge of the bottom surface on the side close to the inner side surface.
6. The dc brushless mute water circulating pump according to claim 1, characterized in that the coil (5) is provided with a corresponding fixing frame (51), the fixing frame (51) is provided with a plurality of claws (52) corresponding to the control board (6).
7. The dc brushless mute circulating water pump according to claim 1, wherein the edge of the side wall of the back cover (3) is provided with a lead port (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122806625.5U CN216278536U (en) | 2021-11-16 | 2021-11-16 | Direct-current brushless mute circulating water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122806625.5U CN216278536U (en) | 2021-11-16 | 2021-11-16 | Direct-current brushless mute circulating water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216278536U true CN216278536U (en) | 2022-04-12 |
Family
ID=81009048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122806625.5U Active CN216278536U (en) | 2021-11-16 | 2021-11-16 | Direct-current brushless mute circulating water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216278536U (en) |
-
2021
- 2021-11-16 CN CN202122806625.5U patent/CN216278536U/en active Active
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