CN210240100U - Pump body rotor and fluid pump thereof - Google Patents
Pump body rotor and fluid pump thereof Download PDFInfo
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- CN210240100U CN210240100U CN201920675068.8U CN201920675068U CN210240100U CN 210240100 U CN210240100 U CN 210240100U CN 201920675068 U CN201920675068 U CN 201920675068U CN 210240100 U CN210240100 U CN 210240100U
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- cover plate
- magnet
- pump
- front cover
- bearing
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Abstract
The utility model provides a pump body rotor and fluid pump thereof contains: a bearing; a magnet; and the impeller is provided with a front cover plate, a rear cover plate and a plurality of fan blades arranged between the front cover plate and the rear cover plate, the rear cover plate is annularly arranged outside the bearing and arranged on the magnet, and the magnet, the front cover plate and the rear cover plate have the same diameter and are axially overlapped.
Description
Technical Field
The utility model relates to a pump field indicates a pump body rotor and fluid pump thereof very much.
Background
The fluid pump is a device for driving fluid to increase circulation speed, as shown in fig. 1, a conventional fluid pump 1 has a housing 10 having a downwardly extending groove 11, the groove 11 having a side wall 111 and a bottom wall 112 defining a first chamber 113, a platform 115 extending outwardly from a top end of the side wall 111, a rotor 12 disposed in the first chamber 113, an upper cover 13 correspondingly covering the housing 10 to close the first chamber 113, the rotor 12 having an impeller 122, the impeller 122 having a front cover plate 1221 and a rear cover plate 1222, the upper cover 13 having a partition plate 131, the partition plate 131 disposed on the housing 10 and closing the front cover plate 1221, the front cover plate 1221 and the rear cover plate 1222 having a diameter larger than that of the magnet 121, in order to prevent the impeller 122 from interfering with the partition plate 131 of the upper cover 13 and the platform 115 of the housing 10 during operation, and thus, a gap 1311 is provided between an upper side of the front cover plate 1221 and the partition plate 131, and another gap 1151 is provided between the underside of the back cover 1222 and the plane 115.
However, the two gaps 1311, 1151 occupy axial space, so that the fluid pump 1 cannot be downsized. In addition, the friction between the fluid and the outer surfaces of the front and rear cover plates 1221, 1222 of the impeller 122 generates disc loss, and the conventional diameter of the front cover plate 1221 and the rear cover plate 1222 is larger than that of the magnet 121, and the larger the diameter of the impeller 122 is, the larger the disc loss is, resulting in a low rotation speed of the rotor 12, and thus the operation efficiency of the rotor 12 is poor.
Therefore, how to improve the above-mentioned defects is the direction of efforts required by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
One of the objectives of the present invention is to provide a pump rotor and a fluid pump thereof, which can reduce the axial volume.
Another object of the present invention is to provide a pump rotor and a fluid pump thereof with less disc loss, high rotation speed and better operation efficiency.
To achieve the above object, the present invention provides a pump rotor, comprising:
a bearing;
a magnet; and
an impeller having a front cover plate, a back cover plate and a plurality of blades arranged between the front and back cover plates, the back cover plate is arranged around the bearing and arranged on the magnet, and the magnet, the front cover plate and the back cover plate have the same diameter and are axially overlapped.
The pump body rotor, wherein: the back cover plate, the bearing and the magnet are integrally formed by injection molding.
The pump body rotor, wherein: the front cover plate is provided with a plurality of first combining parts, the rear cover plate is provided with a plurality of second combining parts, and the plurality of first combining parts are correspondingly combined with the plurality of second combining parts.
The pump body rotor, wherein: the first and second bonding portions are bonded by ultrasonic welding, soldering, gluing, screwing and snapping.
The pump body rotor, wherein: the plurality of fan blades are formed on the front cover plate, the first combining part is a convex part formed on the plurality of fan blades, and the second combining part is a concave part.
The pump body rotor, wherein: a central portion of the front cover plate has a liquid suction port.
To achieve the above object, the present invention further provides a fluid pump, comprising:
a seat body having a water inlet, a water outlet and a recess recessed downwardly, the recess having a side wall and a bottom wall defining a first chamber, a second chamber surrounding the side wall, the bottom wall having a shaft extending upwardly therefrom;
a pump rotor disposed in the first chamber and including a magnet and an impeller, the impeller having a front cover plate, a rear cover plate and a plurality of blades disposed between the front and rear cover plates, the rear cover plate being disposed around a bearing and disposed on the magnet, the front cover plate and the rear cover plate having the same diameter and being axially overlapped, and the bearing being pivotally connected to the shaft lever of the base body so that the pump rotor can be rotatably inserted into the shaft lever;
the upper cover is correspondingly covered on the seat body and seals the first cavity, the upper cover is provided with a partition plate, a gap is arranged between the partition plate and the front cover plate, the upper cover, the partition plate and the seat body jointly define a liquid inflow channel, the partition plate and the seat body jointly define a liquid outflow channel, the liquid inflow channel is communicated with the first cavity and the water inlet, and the liquid outflow channel is communicated with the first cavity and the water outlet;
the stator is arranged in the second cavity and corresponds to the magnet, and the side wall is positioned between the stator and the magnet; and
a lower cover correspondingly covering the base body to seal the second chamber.
The fluid pump of, wherein: the back cover plate, the bearing and the magnet are integrally formed by injection molding.
The fluid pump of, wherein: the front cover plate is provided with a plurality of first combining parts, the rear cover plate is provided with a plurality of second combining parts, and the plurality of first combining parts are correspondingly combined with the plurality of second combining parts.
The fluid pump of, wherein: the first and second bonding portions are bonded by ultrasonic welding, soldering, gluing, screwing and snapping.
The fluid pump of, wherein: the first combining part is a convex part formed on the plurality of fan blades, and the second combining part is a concave part.
The fluid pump of, wherein: a central position of the front cover plate is provided with a liquid suction port which is communicated with the first chamber and the liquid inflow channel.
The fluid pump of, wherein: a sealing ring is arranged between the upper cover and the seat body.
By means of the design of the utility model, the effects of reduced axial volume, small disc loss, high rotating speed and better operating efficiency can be achieved.
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention. The embodiments of the present invention are explained in detail by referring to the drawings and the embodiments herein, and the principle of the invention is illustrated.
Drawings
FIG. 1 is a prior art schematic;
fig. 2 is an exploded perspective view of the pump rotor of the present invention;
fig. 3 is another perspective view of the pump rotor according to the present invention;
FIG. 4 is a combined cross-sectional view of the pump body rotor of the present invention;
fig. 5 is an exploded perspective view of the fluid pump of the present invention;
fig. 6 is a combined cross-sectional view of the fluid pump of the present invention.
Description of reference numerals: the existing fluid pump 1; a base body 10; a groove 11; a side wall 111; a bottom wall 112; a first chamber 113; a platform 115; another gap 1151; a rotor 12; an impeller 122; a front cover plate 1221; a back cover plate 1222; an upper cover 13; a partition plate 131; a gap 1311; a base body 2; a water inlet 21; an inflow channel 211; a water outlet 22; an outflow channel 221; a groove 23; a side wall 231; a bottom wall 232; a first chamber 24; a second chamber 25; a shaft 26; a pump body rotor 3; a bearing 31; an outer circumferential surface 311; a magnet 32; an inner annular surface 321; an upper surface 322; an impeller 33; a front cover plate 331; a first bonding portion 3311; a suction port 3312; a rear cover plate 332; a second combining portion 3321; fan blades 333; an upper cover 4; a partition plate 41; a gap 411; a stator 5; a lower cover 6; a seal ring 7; a virtual axis X; virtual circle centers Y1, Y2, Y3; virtual diameters Z1, Z2, Z3.
Detailed Description
The above objects, together with the structure and functional characteristics of the invention, will be best understood from the following description of the preferred embodiments when read in connection with the accompanying drawings.
Please refer to fig. 2, fig. 3 and fig. 4, which are an exploded perspective view and a sectional view of the pump rotor of the present invention, as shown in the figure, the pump rotor 3 of the present invention includes a bearing 31, a magnet 32 and an impeller 33, the bearing 31 is used to maintain the stability of the impeller 33 during operation, the magnet 32 is a ring magnet in the present embodiment, and the impeller 33 has a front cover plate 331, a rear cover plate 332 and a plurality of blades 333.
The front cover 331 has a plurality of first connecting portions 3311 for connecting to the rear cover 332, in the embodiment, the plurality of first connecting portions 3311 are shown as protrusions formed on the plurality of blades 333, but the invention is not limited thereto, and in other embodiments, the plurality of first connecting portions 3311 may be shown in other forms. In the present embodiment, a liquid suction port 3312 is formed at a central position of the front cover 331, and the liquid suction port 3312 is formed to extend upward from the central position of the front cover 331.
The back cover plate 332 is disposed outside the bearing 31 and on the magnet 32, and in this embodiment, the back cover plate 332, the bearing 31 and the magnet 32 are integrally formed by injection molding, and the back cover plate 332 is combined with an outer circumferential surface 311 of the bearing 31, an inner circumferential surface 321 of the magnet 32 and an upper surface 322 during the injection molding, so that the bearing 31 and the magnet 32 cannot fall off, but not limited thereto, the present invention is not limited to the combination position of the back cover plate 332, the bearing 31 and the magnet 32 during the injection molding.
The rear cover 332 has a plurality of second coupling portions 3321 for coupling with the first coupling portions 311 of the front cover 331, in this embodiment, the plurality of second coupling portions 3321 are shown as a concave portion, and the convex portion of the plurality of first coupling portions 3311 is inserted into the concave portion of the plurality of second coupling portions 3321, but the present invention is not limited thereto, and in other embodiments, the plurality of second coupling portions 3321 may be shown in other forms corresponding to the first coupling portions 3311. The first and second connecting portions 3311 and 3321 are connected by ultrasonic welding, soldering, gluing, screwing and snapping.
The magnet 32, the front cover plate 331 and the rear cover plate 332 have the same diameter and are axially overlapped, in fig. 2, the magnet 32, the front cover plate 331 and the rear cover plate 332 have the same virtual axis X, the magnet 32, the front cover plate 331 and the rear cover plate 332 respectively have a virtual circle center Y1, Y2, Y3 and a virtual diameter Z1, Z2, Z3, and the virtual diameters Z1, Z2, Z3 respectively pass through the virtual circle centers Y1, Y2, Y3. The virtual circle centers Y1, Y2, and Y3 are located on the virtual axis X, the magnet 32, the front cover 331, and the rear cover 332 are overlapped and combined along the virtual axis X, and the virtual diameters Z1, Z2, and Z3 are equal in length. The overlapping means that the edges of the magnet 32, the front cover 331 and the rear cover 332 cover the same area in the same space.
The plurality of blades 333 are disposed between the front and rear cover plates 331, 332, such that the front cover plate 331 and the rear cover plate 332 are overlapped at an interval, in this embodiment, the plurality of blades 333 are shown as being integrally formed with the front cover plate 331, but not limited thereto, in other embodiments, the plurality of blades 333 may also be shown as being integrally formed with the rear cover plate 332, the present invention is not limited to the combination of the plurality of blades 333 and the front and rear cover plates 331, 332.
Please refer to fig. 5 and fig. 6, which are an exploded perspective view and a sectional view of the fluid pump of the present invention, and refer to fig. 2 and fig. 3, as shown in the drawings, the fluid pump of the present invention includes a base 2, a pump rotor 3, an upper cover 4, a stator 5 and a lower cover 6, and the structure and function of the pump rotor 3 are the same as those of the previous embodiments, and therefore will not be described herein again.
The base 2 has a water inlet 21, a water outlet 22 and a groove 23, the base 2 is recessed downward to form the groove 23, the groove 23 has a side wall 231 and a bottom wall 232, the side wall 231 and the bottom wall 232 together define the first chamber 24, a second chamber 25 surrounds the side wall 231, and the bottom wall 231 has a shaft 26 extending upward. The pump rotor 3 is disposed in the first chamber 24, and a bearing 31 of the pump rotor 3 is pivotally connected to the shaft 26 of the housing 2 so that the pump rotor 3 can be rotatably inserted into the shaft 26.
The upper cover 4 covers the seat body 2 correspondingly and closes the first chamber 24, the upper cover 4 has a partition plate 41, a gap 411 is provided between the partition plate 41 and the front cover plate 331, the upper cover 4, the partition plate 41 and the seat body 2 define a liquid inflow channel 211 together, the partition plate 41 and the seat body 2 define a liquid outflow channel 221 together, the liquid inflow channel 211 communicates with the first chamber 24 and the water inlet 21, and the liquid outflow channel 221 communicates with the first chamber 24 and the water outlet 22.
The stator 5 is disposed in the second chamber 25 and spaced apart from the sidewall 231 corresponding to the magnet 32. The stator 5 has a coil (not shown) wound around the stator 5, and an external power source (not shown) supplies power to the coil, so as to generate repulsive and attractive magnetic force with the magnet 32, thereby driving the impeller 33 to rotate at high speed on the shaft 26 via the bearing 31.
The lower cover 6 covers the base 2 correspondingly and seals the second chamber 25. Also, in the present embodiment, a sealing ring 7 is shown to be disposed between the upper cover 4 and the base body 2, and the sealing ring 7 is used to seal the first chamber 24, the liquid inflow channel 211 and the liquid outflow channel 221, so that the liquid does not leak out of the fluid pump, but is not limited thereto, and in other embodiments, the sealing ring 7 may be omitted.
In one embodiment, a liquid flows into the liquid inflow channel 211 from the water inlet 21, when the pump rotor 3 is driven by the stator 5 to rotate to generate a suction force, the liquid flows into and fills the first chamber 24 from the liquid suction port 3312, and the liquid is forced to rapidly flow to the liquid outflow channel 221 by the centrifugal force generated by the rotation of the impeller 33 and then flows out from the water outlet 22.
Rely on the utility model discloses a rely on this design, because preceding, back shroud 331, 332 and this magnet 32 of this impeller 33 have the same diameter, and the axial overlaps, compare in prior art (refer to fig. 1), the utility model discloses a can not form the axial clearance between this back shroud 332 and this pedestal 2, consequently have the efficiency that shortens the axial space of fluid pump. In addition, the front and rear cover plates 331 and 332 have a shorter diameter, so that the loss of the disc of the pump rotor 3 is less, thereby achieving the effects of high rotation speed and better operation efficiency.
The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (13)
1. A pump body rotor, comprising:
a bearing;
a magnet; and
an impeller having a front cover plate, a back cover plate and a plurality of blades arranged between the front and back cover plates, the back cover plate is arranged around the bearing and arranged on the magnet, and the magnet, the front cover plate and the back cover plate have the same diameter and are axially overlapped.
2. The pump body rotor according to claim 1, wherein: the back cover plate, the bearing and the magnet are integrally formed by injection molding.
3. The pump body rotor according to claim 1, wherein: the front cover plate is provided with a plurality of first combining parts, the rear cover plate is provided with a plurality of second combining parts, and the plurality of first combining parts are correspondingly combined with the plurality of second combining parts.
4. The pump body rotor according to claim 3, wherein: the first and second bonding portions are bonded by ultrasonic welding, soldering, gluing, screwing and snapping.
5. The pump body rotor according to claim 3, wherein: the plurality of fan blades are formed on the front cover plate, the first combining part is a convex part formed on the plurality of fan blades, and the second combining part is a concave part.
6. The pump body rotor according to claim 1, wherein: a central portion of the front cover plate has a liquid suction port.
7. A fluid pump, comprising:
a seat body having a water inlet, a water outlet and a recess recessed downwardly, the recess having a side wall and a bottom wall defining a first chamber, a second chamber surrounding the side wall, the bottom wall having a shaft extending upwardly therefrom;
a pump rotor disposed in the first chamber and including a magnet and an impeller, the impeller having a front cover plate, a rear cover plate and a plurality of blades disposed between the front and rear cover plates, the rear cover plate being disposed around a bearing and disposed on the magnet, the front cover plate and the rear cover plate having the same diameter and being axially overlapped, and the bearing being pivotally connected to the shaft lever of the base body so that the pump rotor can be rotatably inserted into the shaft lever;
the upper cover is correspondingly covered on the seat body and seals the first cavity, the upper cover is provided with a partition plate, a gap is arranged between the partition plate and the front cover plate, the upper cover, the partition plate and the seat body jointly define a liquid inflow channel, the partition plate and the seat body jointly define a liquid outflow channel, the liquid inflow channel is communicated with the first cavity and the water inlet, and the liquid outflow channel is communicated with the first cavity and the water outlet;
the stator is arranged in the second cavity and corresponds to the magnet, and the side wall is positioned between the stator and the magnet; and
a lower cover correspondingly covering the base body to seal the second chamber.
8. The fluid pump of claim 7, wherein: the back cover plate, the bearing and the magnet are integrally formed by injection molding.
9. The fluid pump of claim 7, wherein: the front cover plate is provided with a plurality of first combining parts, the rear cover plate is provided with a plurality of second combining parts, and the plurality of first combining parts are correspondingly combined with the plurality of second combining parts.
10. The fluid pump of claim 9, wherein: the first and second bonding portions are bonded by ultrasonic welding, soldering, gluing, screwing and snapping.
11. The fluid pump of claim 9, wherein: the first combining part is a convex part formed on the plurality of fan blades, and the second combining part is a concave part.
12. The fluid pump of claim 7, wherein: a central position of the front cover plate is provided with a liquid suction port which is communicated with the first chamber and the liquid inflow channel.
13. The fluid pump of claim 7, wherein: a sealing ring is arranged between the upper cover and the seat body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920675068.8U CN210240100U (en) | 2019-05-10 | 2019-05-10 | Pump body rotor and fluid pump thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920675068.8U CN210240100U (en) | 2019-05-10 | 2019-05-10 | Pump body rotor and fluid pump thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210240100U true CN210240100U (en) | 2020-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920675068.8U Active CN210240100U (en) | 2019-05-10 | 2019-05-10 | Pump body rotor and fluid pump thereof |
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| Country | Link |
|---|---|
| CN (1) | CN210240100U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159588A (en) * | 2019-05-10 | 2019-08-23 | 深圳兴奇宏科技有限公司 | Pump housing rotor and its fluid pump |
-
2019
- 2019-05-10 CN CN201920675068.8U patent/CN210240100U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159588A (en) * | 2019-05-10 | 2019-08-23 | 深圳兴奇宏科技有限公司 | Pump housing rotor and its fluid pump |
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