CN216142911U - Magnetic suspension water pump - Google Patents
Magnetic suspension water pump Download PDFInfo
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- CN216142911U CN216142911U CN202122031377.1U CN202122031377U CN216142911U CN 216142911 U CN216142911 U CN 216142911U CN 202122031377 U CN202122031377 U CN 202122031377U CN 216142911 U CN216142911 U CN 216142911U
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Abstract
The utility model discloses a magnetic suspension water pump, which comprises a shell, and a rotor, a stator, an impeller, a first rotating shaft and a second rotating shaft which are arranged in the shell, wherein the rotor, the stator and the impeller are arranged on the rotor; the shell is internally provided with a first chamber and a second chamber; the stator is arranged in the first chamber; the impeller is arranged on the rotor to synchronously rotate around the rotating axis along with the rotor; the first rotating shaft and the second rotating shaft are sequentially arranged along the rotating axis, the back ends of the first rotating shaft and the second rotating shaft are connected to the shell respectively, the two ends of the rotor are movably acted on the opposite ends of the first rotating shaft and the second rotating shaft respectively, and the rotor is provided with a magnetic part arranged around the rotating axis so that the rotor is suspended between the opposite ends of the first rotating shaft and the second rotating shaft. So, its rotor does not have the friction when the rotation action between with other parts, and the silence is effectual, has also avoided the heat that the friction produced, and unsettled setting can dispel the heat better, reduces the fault rate, prolongs the life of water pump, reduces operation energy consumption and running cost, and water pump operating stability is good, and system efficiency is high.
Description
Technical Field
The utility model relates to the technical field of water pumps, in particular to a magnetic suspension water pump.
Background
At present, a water pump is a device for conveying working fluid, and when liquid such as water enters the water pump, the liquid is pressurized through the operation of an impeller inside the water pump, and then the liquid is sent out of the water pump so as to achieve the purpose of conveying the liquid.
The existing water pump rotor generally adopts a rotating shaft, the water pump rotates to act the friction between the rotating shaft and other parts in the long-time working process, on one hand, the noise of the product is generated, on the other hand, the friction loss is generated, and the operation energy consumption is large. In addition, when the existing water pump works, the phenomenon of impurity blockage easily occurs, so that the water pump is hard to rotate, the energy consumption is high, even the loss and the fault are caused to the water pump, and the service life of the water pump is influenced.
Therefore, a new technical solution needs to be developed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to the defects in the prior art, and a primary object of the present invention is to provide a magnetic levitation water pump, in which a rotor of the magnetic levitation water pump has no friction with other components during rotation, so that a silencing effect is good, heat generated by friction is avoided, the suspension arrangement can better dissipate heat, a failure rate is reduced, a service life of the water pump is prolonged, operation energy consumption and operation cost are reduced, operation stability of the water pump is good, and system efficiency is high.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a magnetic suspension water pump comprises a shell, and a rotor, a stator, an impeller, a first rotating shaft and a second rotating shaft which are arranged in the shell; wherein:
the shell is internally provided with a first chamber and a second chamber; the stator is arranged in the first chamber; the shell is provided with a water inlet and a water outlet which are respectively communicated with the second chamber; the rotor, the impeller, the first rotating shaft and the second rotating shaft are all arranged in the first cavity, and the impeller is arranged on the rotor to rotate around the rotating axis synchronously along with the rotor; first pivot, second pivot are arranged along the rotation axis in proper order, the end of carrying on the back of the body of first pivot, second pivot is connected respectively in the casing, the both ends of rotor are movable the end in opposite directions that acts on first pivot, second pivot respectively, the rotor is provided with the magnetic part that arranges around the rotation axis so that the rotor hangs and locates between the end in opposite directions of first pivot, second pivot.
As a preferable scheme, a first concave cavity and a second concave cavity are respectively arranged at two ends of the rotor along the rotation axis, and opposite ends of the first rotating shaft and the second rotating shaft respectively extend into the first concave cavity and the second concave cavity.
As a preferred scheme, the opposite ends of the first rotating shaft and the second rotating shaft are both in a ball head shape, and the first concave cavity and the second concave cavity are both concave arc surfaces.
As a preferred scheme, the impeller is installed at the end of the rotor where the first concave cavity is located, the first concave cavity is an outward-expanding cavity, and the first concave cavity is larger than the ball-head-shaped end of the first rotating shaft, so that the rotor can deflect relative to the ball-head-shaped end of the first rotating shaft.
Preferably, the depth of the first cavity is smaller than the spherical radius of the spherical end of the first rotating shaft, and the depth of the second cavity is larger than the spherical radius of the spherical end of the second rotating shaft.
Preferably, a through hole is communicated between the first concave cavity and the second concave cavity.
As a preferred scheme, the rotor includes a rotor body and a middle block installed in the rotor body, and the first cavity and the second cavity are respectively disposed at two ends of the middle block.
Preferably, the intermediate block is a graphite block.
As a preferred scheme, the shell comprises a main shell, a front cover and a rear cover;
the main shell is provided with a rotor seat part, the rear side of the front cover is provided with a first shaft hole convex part in a protruding mode, the rear side of the interior of the rotor seat part is provided with a second shaft hole convex part in a protruding mode, the rotor is installed in the rotor seat part, the front cover is installed on the front side of the main shell, and the opposite ends of the first rotating shaft and the second rotating shaft respectively extend into the first shaft hole convex part and the second shaft hole convex part; the first chamber is located between the rotor housing portion and the front cover;
the stator is arranged on the periphery of the rotor seat body, the rear cover is arranged on the rear side of the main shell, and the second cavity is located between the rotor seat body and the rear cover.
As a preferable scheme, the water inlet and the water outlet are respectively arranged on the outer peripheral side of the main shell; an impeller cavity is arranged on the main shell body corresponding to the front side of the rotor seat body, an impeller cover plate is arranged on the front side of the impeller cavity, and the impeller cover plate is provided with a central hole and peripheral holes; the impeller cover plate is positioned on the rear side of the front cover, a water outlet gap is formed between the impeller cover plate and the front cover, the main shell is provided with a water inlet channel and a water outlet channel, the water inlet channel penetrates through the peripheral side wall of the impeller cavity from the peripheral side of the main shell to the inner peripheral side of the impeller cavity, and the water inlet penetrates through the impeller cavity through the water inlet channel; the water outlet channel penetrates through the peripheral side wall of the impeller cavity from the peripheral side of the main shell and penetrates through the front end face of the peripheral side wall of the impeller cavity to be communicated with the water outlet gap, and the impeller cavity finishes water outlet sequentially through the central hole, the water outlet gap, the peripheral hole, the water outlet channel and the water outlet.
Compared with the prior art, the utility model has obvious advantages and beneficial effects, concretely, the technical scheme is that the rotating shaft of the traditional technology is changed into a double-shaft design, and the rotor is provided with the magnetic part arranged around the rotating axis so as to be suspended between the opposite ends of the first rotating shaft and the second rotating shaft, so that the rotor has no friction with other parts during the rotating action, the silencing effect is good, the heat generated by friction is also avoided, the suspended arrangement can better dissipate heat, the failure rate is reduced, the service life of the water pump is prolonged, the operation energy consumption and the operation cost are reduced, the operation stability of the water pump is good, and the system efficiency is high; meanwhile, the rotor is suspended between the opposite ends of the first rotating shaft and the second rotating shaft, so that the rotor can deflect in a certain range, impurities can be conveniently discharged, and the blockage of the impurities is avoided.
To more clearly illustrate the structural features and technical means of the present invention and the specific objects and functions achieved thereby, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a perspective view of the overall structure of an embodiment of the present invention;
FIG. 2 is a cross-sectional structural view of an embodiment of the present invention;
FIG. 3 is an exploded view of an embodiment of the present invention;
FIG. 4 is another exploded view of an embodiment of the present invention;
FIG. 5 is a cross-sectional view of an embodiment of the present invention;
FIG. 6 is a perspective view of the main housing in an embodiment of the present invention
FIG. 7 is a cross-sectional view of the first shaft, the second shaft, and the intermediate block in an embodiment of the present invention;
FIG. 8 is an exploded view of the first shaft, the second shaft, and the middle block in an embodiment of the present invention.
The attached drawings indicate the following:
the rotor comprises a rotor 1, a stator 2, a first iron core 201, a second iron core 202, an impeller 3, a first rotating shaft 4, a second rotating shaft 5, a first chamber 6, a second chamber 7, a water inlet 8, a water outlet 9, a rotating axis 10, a magnetic part 11, a first concave cavity 12, a second concave cavity 13, a rotor main body 14, a middle block 15, a through hole 151, a main shell 16, a front cover 17, a rear cover 18, a rotor seat body part 19, a first shaft hole convex part 20, a second shaft hole convex part 21, an impeller cavity 22, an impeller cover plate 23, a central hole 24, a peripheral hole 241, a stop ring 242, a water outlet gap 25, a water inlet channel 26, a water outlet channel 27, an inner peripheral side 28 and a front end face 29.
Detailed Description
In the description of the present invention, it should be noted that, for the terms of orientation, such as "circumferential", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicating the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, is only for convenience of describing the present invention and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of protection of the present invention.
Referring to fig. 1 to 8, specific structures of the embodiments of the present invention are shown.
A magnetic suspension water pump comprises a shell, and a rotor 1, a stator 2, an impeller 3, a first rotating shaft 4 and a second rotating shaft 5 which are arranged in the shell; wherein: the stator 2 includes a first iron core 201 and a second iron core 202 stacked in a front-back direction.
The shell is internally provided with a first chamber 6 and a second chamber 7; the stator 2 is arranged in the first chamber 6; the shell is provided with a water inlet 8 and a water outlet 9, and the water inlet 8 and the water outlet 9 are respectively communicated with the second chamber 7; the rotor 1, the impeller 3, the first rotating shaft 4 and the second rotating shaft 5 are all arranged in the first chamber 6, and the impeller 3 is arranged on the rotor 1 to synchronously rotate around the rotating axis 10 along with the rotor 1; first pivot 4, second pivot 5 arrange along rotation axis 10 in proper order, first pivot 4, the end of carrying on the back of the body of second pivot 5 connect respectively in the casing, the both ends of rotor 1 are movable the end in opposite directions that acts on first pivot 4, second pivot 5 respectively, rotor 1 is provided with the magnetic part 11 of arranging around rotation axis 10 so that rotor 1 hangs and locates between the end in opposite directions of first pivot 4, second pivot 5. The two ends of the rotor 1 along the rotation axis 10 are respectively provided with a first concave cavity 12 and a second concave cavity 13, and the opposite ends of the first rotating shaft 4 and the second rotating shaft 5 respectively extend into the first concave cavity 12 and the second concave cavity 13.
The opposite ends of the first rotating shaft 4 and the second rotating shaft 5 are both in a ball head shape, and the first concave cavity 12 and the second concave cavity 13 are both concave arc surfaces. The impeller 3 is arranged at the end of the rotor 1 where the first concave cavity 12 is located, the first concave cavity 12 is an outward-expanding cavity, and the first concave cavity 12 is larger than the ball-head-shaped end of the first rotating shaft 4, so that the rotor 1 can deflect relative to the ball-head-shaped end of the first rotating shaft 4, impurities can be conveniently discharged, and the blockage of the impurities is avoided.
As shown in fig. 7 and 8, the depth of the first cavity 12 is smaller than the spherical radius of the spherical end of the first rotating shaft 4, and the depth of the second cavity 13 is larger than the spherical radius of the spherical end of the second rotating shaft 5. A through hole 151 is communicated between the first concave cavity 12 and the second concave cavity 13, so that lubricating oil can be conveniently stored and communicated between the first concave cavity 12 and the second concave cavity 13. The depth of the second cavity 13 is designed to be deep, so that the positioning stability and reliability of the rotor 1 can be better met, the depth of the first cavity 12 is shallow, meanwhile, the open area of the first cavity 12 is large, the first cavity is generally open and circular, when impurities are slightly blocked in the water pump, the first cavity can deflect in a certain range relative to the ball-shaped end of the first rotating shaft 4, and equivalently, the rotor 1 and the impeller 3 have a floating type rotating function, so that the impurities can be timely discharged, more serious blockage is avoided, and the water pump has the capability of automatically discharging the impurities and solving the blockage problem.
The rotor 1 comprises a rotor body 14 and a middle block 15 arranged in the rotor body 14, and the first concave cavity 12 and the second concave cavity 13 are respectively arranged at two ends of the middle block 15. Preferably, the intermediate block 15 is a graphite block, which has the advantages of wear resistance, lubrication, high strength, and the like.
In this embodiment, the structural design of casing is ingenious reasonable, and is very convenient when installing rotor 1, stator 2, impeller 3, first pivot 4, second pivot 5, specifically:
the shell comprises a main shell 16, a front cover 17 and a rear cover 18;
the main housing 16 is provided with a rotor housing part 19, a first shaft hole convex part 20 is convexly arranged on the rear side of the front cover 17, a second shaft hole convex part 21 is convexly arranged on the rear side of the inside of the rotor housing part 19, the rotor 1 is arranged in the rotor housing part 19, the front cover 17 is arranged on the front side of the main housing 16, and the opposite ends of the first rotating shaft 4 and the second rotating shaft 5 respectively extend into the first shaft hole convex part 20 and the second shaft hole convex part 21; the first chamber 6 is located between the rotor housing portion 19 and the front cover 17;
the stator 2 is mounted on the periphery of the rotor housing 19, the rear cover 18 is mounted on the rear side of the main housing 16, and the second chamber 7 is located between the rotor housing 19 and the rear cover 18.
The water inlet 8 and the water outlet 9 are respectively arranged on the outer peripheral side of the main shell 16; an impeller cavity 22 is arranged on the main shell 16 corresponding to the front side of the rotor seat part 19, an impeller cover plate 23 is arranged on the front side of the impeller cavity 22, the impeller cover plate 23 is provided with a central hole 24 and a peripheral hole 241, a stop ring 242 is convexly arranged on the periphery of the front side of the impeller cover plate 23, and the central hole 24 and the peripheral hole 241 are positioned in the surrounding area of the stop ring 242; the impeller cover plate 23 is positioned at the rear side of the front cover 17 and forms a water outlet gap 25 with the front cover 17, and the stop ring 242 is in sealing contact with the rear side of the front cover 17; the main shell 16 is provided with a water inlet channel 26 and a water outlet channel 27, the water inlet channel 26 penetrates through the peripheral sidewall of the impeller cavity 22 from the peripheral side of the main shell 16 to the inner peripheral side 28 of the impeller cavity 22, and the water inlet 8 penetrates through the impeller cavity 22 through the water inlet channel 26; the water outlet channel 27 penetrates through the peripheral side wall of the impeller cavity 22 from the peripheral side of the main shell 16 and penetrates through the front end surface 29 of the peripheral side wall of the impeller cavity 22 to be communicated with the water outlet gap 25, and the impeller cavity 22 finishes water outlet sequentially through the central hole 24, the water outlet gap 25, the peripheral hole 241, the water outlet channel 27 and the water outlet 9.
The main casing body 16, the protecgulum 17 and the back lid 18 can choose for use the preparation of materials such as aluminium, aluminum alloy, and heat dispersion is good, and the preparation of main casing body 16 integrated into one piece easily produces the preparation, and direct forming goes out the installation location structure on the main casing body 16, for example: convex part, concave position, location step etc. inhalant canal 26, water inlet 8, delivery port 9, exhalant canal 27 etc. for the equipment of whole water pump becomes very convenient, improves production packaging efficiency, is favorable to this water pump's popularization and application.
In summary, the design of the present invention is characterized in that the rotating shaft of the conventional technology is changed into a double-shaft design, and the rotor is provided with the magnetic member arranged around the rotating axis so as to suspend the rotor between the opposite ends of the first rotating shaft and the second rotating shaft, so that the rotor does not have friction with other parts during the rotation, the noise is low, and the heat generated by friction is avoided; meanwhile, the rotor is suspended between the opposite ends of the first rotating shaft and the second rotating shaft, so that the rotor can deflect in a certain range, impurities can be conveniently discharged, and the blockage of the impurities is avoided.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (10)
1. The utility model provides a magnetic levitation water pump which characterized in that: comprises a shell, and a rotor (1), a stator (2), an impeller (3), a first rotating shaft (4) and a second rotating shaft (5) which are arranged in the shell; wherein:
the shell is internally provided with a first chamber (6) and a second chamber (7); the stator (2) is arranged in the first chamber (6); the shell is provided with a water inlet (8) and a water outlet (9), and the water inlet (8) and the water outlet (9) are respectively communicated with the second chamber (7); the rotor (1), the impeller (3), the first rotating shaft (4) and the second rotating shaft (5) are arranged in the first chamber (6), and the impeller (3) is arranged on the rotor (1) to synchronously rotate around the rotating axis (10) along with the rotor (1); first pivot (4), second pivot (5) are arranged along rotation axis (10) in proper order, the end of carrying on the back of the body of first pivot (4), second pivot (5) is connected respectively in the casing, the both ends of rotor (1) are movable respectively and are acted on the end in opposite directions of first pivot (4), second pivot (5), rotor (1) is provided with magnetic part (11) of arranging around rotation axis (10) so that rotor (1) hangs and locates between the end in opposite directions of first pivot (4), second pivot (5).
2. The magnetic levitation water pump of claim 1, wherein: the rotor is characterized in that a first concave cavity (12) and a second concave cavity (13) are respectively formed in the two ends of the rotor (1) along the rotation axis (10), and the opposite ends of the first rotating shaft (4) and the second rotating shaft (5) respectively extend into the first concave cavity (12) and the second concave cavity (13).
3. A magnetic levitation water pump as recited in claim 2, wherein: the opposite ends of the first rotating shaft (4) and the second rotating shaft (5) are both in a ball head shape, and the first concave cavity (12) and the second concave cavity (13) are both concave arc surfaces.
4. A magnetic levitation water pump as recited in claim 3, wherein: the impeller (3) is arranged at the end of the rotor (1) where the first concave cavity (12) is located, the first concave cavity (12) is an outward-expanding cavity, and the first concave cavity (12) is larger than the ball-head-shaped end of the first rotating shaft (4), so that the rotor (1) can deflect relative to the ball-head-shaped end of the first rotating shaft (4).
5. The magnetic levitation water pump as recited in claim 4, wherein: the depth of the first concave cavity (12) is smaller than the spherical radius of the spherical end of the first rotating shaft (4), and the depth of the second concave cavity (13) is larger than the spherical radius of the spherical end of the second rotating shaft (5).
6. A magnetic levitation water pump as recited in claim 2, wherein: and a through hole (151) is communicated between the first concave cavity (12) and the second concave cavity (13).
7. A magnetic levitation water pump as recited in any one of claims 2-6, wherein: the rotor (1) comprises a rotor main body (14) and a middle block (15) arranged in the rotor main body (14), and the first concave cavity (12) and the second concave cavity (13) are respectively arranged at two ends of the middle block (15).
8. The magnetic levitation water pump as recited in claim 7, wherein: the middle block (15) is a graphite block.
9. The magnetic levitation water pump as recited in claim 7, wherein: the shell comprises a main shell (16), a front cover (17) and a rear cover (18);
the main shell (16) is provided with a rotor seat part (19), the rear side of the front cover (17) is provided with a first shaft hole convex part (20) in a protruding manner, the rear side of the interior of the rotor seat part (19) is provided with a second shaft hole convex part (21) in a protruding manner, the rotor (1) is arranged in the rotor seat part (19), the front cover (17) is arranged on the front side of the main shell (16), and the opposite ends of the first rotating shaft (4) and the second rotating shaft (5) respectively extend into the first shaft hole convex part (20) and the second shaft hole convex part (21); the first chamber (6) is located between the rotor housing portion (19) and the front cover (17);
the stator (2) is arranged on the periphery of the rotor seat part (19), the rear cover (18) is arranged on the rear side of the main shell (16), and the second cavity (7) is positioned between the rotor seat part (19) and the rear cover (18).
10. A magnetic levitation water pump as recited in claim 9, wherein: the water inlet (8) and the water outlet (9) are respectively arranged on the outer peripheral side of the main shell (16); an impeller cavity (22) is formed in the main shell (16) and corresponds to the front side of the rotor seat portion (19), an impeller cover plate (23) is arranged on the front side of the impeller cavity (22), and a central hole (24) and peripheral holes (241) are formed in the impeller cover plate (23); the impeller cover plate (23) is positioned on the rear side of the front cover (17) and forms a water outlet gap (25) with the front cover (17), the main shell (16) is provided with a water inlet channel (26) and a water outlet channel (27), the water inlet channel (26) penetrates through the peripheral side wall of the impeller cavity (22) from the peripheral side of the main shell (16) to the inner peripheral side (28) of the impeller cavity (22), and the water inlet (8) penetrates through the impeller cavity (22) through the water inlet channel (26); the water outlet channel (27) penetrates through the peripheral side wall of the impeller cavity (22) from the peripheral side of the shell (16) and penetrates through the front end face (29) of the peripheral side wall of the impeller cavity (22) to be communicated with the water outlet gap (25), and the impeller cavity (22) finishes water outlet sequentially through the central hole (24), the water outlet gap (25), the peripheral holes (241), the water outlet channel (27) and the water outlet (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122031377.1U CN216142911U (en) | 2021-08-26 | 2021-08-26 | Magnetic suspension water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122031377.1U CN216142911U (en) | 2021-08-26 | 2021-08-26 | Magnetic suspension water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216142911U true CN216142911U (en) | 2022-03-29 |
Family
ID=80808413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122031377.1U Active CN216142911U (en) | 2021-08-26 | 2021-08-26 | Magnetic suspension water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216142911U (en) |
-
2021
- 2021-08-26 CN CN202122031377.1U patent/CN216142911U/en active Active
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