CN216922532U - Booster pump - Google Patents
Booster pump Download PDFInfo
- Publication number
- CN216922532U CN216922532U CN202220160945.XU CN202220160945U CN216922532U CN 216922532 U CN216922532 U CN 216922532U CN 202220160945 U CN202220160945 U CN 202220160945U CN 216922532 U CN216922532 U CN 216922532U
- Authority
- CN
- China
- Prior art keywords
- pump
- brushless
- shell
- rotor
- water
- 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.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 93
- 230000001939 inductive effect Effects 0.000 claims abstract description 25
- 229910002804 graphite Inorganic materials 0.000 claims description 19
- 239000010439 graphite Substances 0.000 claims description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 18
- 239000003822 epoxy resin Substances 0.000 claims description 7
- 229920000647 polyepoxide Polymers 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 6
- 238000001746 injection moulding Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000001816 cooling Methods 0.000 description 6
- 230000008447 perception Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 229920006335 epoxy glue Polymers 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a booster pump, which comprises a pump shell, wherein the pump shell is provided with a pump cavity, a water inlet and a water outlet, wherein the water inlet and the water outlet are communicated with the pump cavity; the motor comprises a brushless annular stator and a brushless rotor positioned in the brushless annular stator, and the impeller is arranged on the brushless rotor and positioned in the pump cavity; the brushless annular stator comprises a stator shell and a coil positioned in the stator shell, and the brushless rotor comprises a rotor frame and a magnet positioned on the rotor frame; the stator shell is fixed on the pump shell; the pump shell is also provided with a water flow inductive switch for sensing the water flow from the water inlet to the water outlet. The utility model has the advantages of small volume, high power, long service life and low running noise.
Description
Technical Field
The utility model relates to the field of water pumps, in particular to a booster pump.
Background
The booster pump is mainly used for boosting water heaters, high-rise and low-water pressure, sauna, bathing and the like, boosting the water pressure of the uppermost floor of an apartment with insufficient water pressure, automatically boosting solar energy, boosting reverse osmosis water purifiers and the like.
The existing booster pump is usually large in size, so that the booster pump is only suitable for total water supply of families, the working noise is large, and the purchasing cost is high; and aiming at the local pressurization of a small area, although a small-sized booster pump is provided, the power is lower and the service life is shorter.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the present invention is directed to a booster pump with small volume, high power, long service life and low operation noise.
Aiming at the problems, the following technical scheme is provided: a booster pump comprises a pump shell, wherein the pump shell is provided with a pump cavity, a water inlet and a water outlet which are communicated with the pump cavity; the motor comprises a brushless annular stator and a brushless rotor positioned in the brushless annular stator, and the impeller is arranged on the brushless rotor and positioned in the pump cavity; the brushless annular stator comprises a stator shell and a coil positioned in the stator shell, and the brushless rotor comprises a rotor frame and a magnet positioned on the rotor frame; the stator shell is fixed on the pump shell; the pump shell is also provided with a water flow inductive switch for sensing the water flow from the water inlet to the water outlet.
In the structure, the brushless annular stator is matched with the brushless rotor to drive the impeller to rotate, water is pumped in from the water inlet by using the centrifugal force of the impeller and then is thrown to the outer side of the pump cavity and then flows out from the water outlet, so that the supercharging is realized, and the brushless motor has the advantages of high power, stable operation, low working noise, effective self-cooling, contribution to improving the supercharging pressure and guarantee of the water supply pressure and flow; the cooperation rivers inductive switch, when the water demand appears in delivery port low reaches, normal rivers flow and will promote rivers inductive switch to control coil circular telegram electricity drive brushless rotor rotates the pressure boost, and after delivery port low reaches stopped the water, rivers inductive switch resets, and the coil outage stops the pressure boost, automatic pressure boost's when realizing the water.
The utility model is further arranged in that the stator shell is provided with a support shaft, the support shaft is sleeved with a graphite sliding sleeve, the center of the rotor frame is provided with a rotary hole, and the rotary hole is sleeved on the graphite sliding sleeve and rotates relative to the graphite sliding sleeve.
In the structure, the supporting shaft is matched with the graphite sliding sleeve, so that the rotor frame rotates on the graphite sliding sleeve through the rotation hole, friction is effectively reduced, the concentricity of the rotor frame and the coil is ensured, the graphite sliding sleeve has self-lubricating property, the graphite sliding sleeve has the advantage of being wear-resistant, the service life is effectively prolonged, and the working noise is also reduced in an auxiliary manner.
The utility model is further provided that the outer wall of the rotor frame is provided with a water guide hole connected with the rotary hole.
In the structure, the water guide hole can be used for guiding the passing water flow to the position between the rotary hole and the graphite sliding sleeve, and the scouring and cooling effects are achieved.
The utility model is further provided that the water guide holes are a plurality of water guide holes which are uniformly distributed along the circumferential direction of the rotor frame.
In the above configuration, two water guide holes are preferable.
The utility model is further provided with a control panel which is electrically connected with the coil and the water flow inductive switch, and a pressure adjusting switch is arranged on the control panel.
In the structure, the two pressure adjusting switches are respectively a pressure increasing switch and a pressure reducing switch and are used for adjusting different water outlet pressures.
The utility model is further provided with an upper cover and a lower cover which cover the pump shell and the motor, wherein the upper cover is provided with an adjusting button and an on-off switch electrically connected with the control panel, and the pressure adjusting switch is positioned below the adjusting button.
In the structure, the on-off switch is used for controlling the on-off of the motor and the main power supply of the control panel.
The utility model is further provided that the water flow inductive switch is arranged between the water outlet and the pump cavity.
In the above-mentioned structure, enable rivers inductive switch's perception more accurate, if set up in the water inlet, can lead to the cavitation bubble that the suction produced to influence rivers inductive switch's perception.
The utility model is further arranged in such a way that the stator shell is provided with an annular accommodating cavity, and the coil is positioned in the accommodating cavity and is encapsulated with epoxy resin glue.
In the structure, the accommodating cavity is used for separating the coil from the pump cavity; the epoxy resin glue is used for fixing the coil in the accommodating cavity and effectively transferring heat generated by the coil during working to dissipate heat.
The utility model is further arranged that the brushless rotor realizes self-positioning of the brushless rotor in the axial direction of the support shaft through the attraction of the magnet and the coil.
In the above-mentioned structure, the epoxy glue is after the embedment, and the coil takes place the come-up easily by the influence that the epoxy glued, therefore certain axial activity space is left to brushless rotor on the back shaft, guarantees that the relative position between brushless rotor and the coil passes through magnet and coil mutual adsorption and reaches the equilibrium point.
The utility model is further provided that the rotor frame and the impeller are integrally formed by injection molding.
In the above-mentioned structure, effectively guarantee production efficiency to guarantee overall structure intensity.
The utility model has the beneficial effects that: the brushless annular stator is matched with the brushless rotor to drive the impeller to rotate, water is pumped in from the water inlet by using the centrifugal force of the impeller and then is thrown to the outer side of the pump cavity and then flows out from the water outlet, so that pressurization is realized, and the brushless motor has the advantages of high power, stable operation, low working noise, effective self-cooling, contribution to boosting pressure and guarantee of water supply pressure and flow; the cooperation rivers inductive switch, when the water demand appears in delivery port low reaches, normal rivers flow and will promote rivers inductive switch to control coil circular telegram electricity drive brushless rotor rotates the pressure boost, after delivery port low reaches stop the water use, rivers inductive switch resets, and the coil outage stops the pressure boost, automatic pressure boost's in the time of realizing the water use purpose.
Drawings
Fig. 1 is a schematic overall perspective structure of the present invention.
Fig. 2 is a schematic diagram of the explosion structure of the upper and lower covers of the present invention.
Fig. 3 is a schematic illustration of an exploded configuration of the pump housing of the present invention.
Fig. 4 is a schematic view of a pump casing of the present invention in full section.
Fig. 5 is a schematic diagram of an explosive full-section structure of a pump casing according to the utility model.
The reference numbers in the figures mean: 10-a pump housing; 11-a pump chamber; 12-a water inlet; 13-water outlet; 14-water flow inductive switch; 15-a control panel; 151-pressure regulating switch; 16-upper cover; 161-adjustment buttons; 162-on-off switch; 17-a lower cover; 20-a motor; 21-a brushless annular stator; 211-stator housing; 2111-supporting shaft; 2112-graphite sliding sleeves; 2113-accommodating chamber; 212-a coil; 22-a brushless rotor; 221-a rotor frame; 2211-rotating hole; 2212-water guiding holes; 222-a magnet; 223-impeller.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
Referring to fig. 1 to 5, a booster pump as shown in fig. 1 to 5 includes a pump casing 10, the pump casing 10 having a pump chamber 11, and a water inlet 12 and a water outlet 13 communicating with the pump chamber 11; the pump further comprises a motor 20 and an impeller 223, wherein the motor 20 comprises a brushless annular stator 21 and a brushless rotor 22 positioned in the brushless annular stator 21, and the impeller 223 is arranged on the brushless rotor 22 and positioned in the pump cavity 11; the brushless annular stator 21 comprises a stator shell 211 and a coil 212 positioned in the stator shell 211, and the brushless rotor 22 comprises a rotor frame 221 and a magnet 222 positioned on the rotor frame 221; the stator housing 211 is fixed on the pump housing 10; the pump shell 10 is further provided with a water flow inductive switch 14 for sensing water flow from the water inlet 12 to the water outlet 13.
In the structure, the brushless annular stator 21 is matched with the brushless rotor 22 to drive the impeller 223 to rotate, water is pumped in from the water inlet 12 by using the centrifugal force of the impeller 223 and then is thrown to the outer side of the pump cavity 11 and then flows out from the water outlet 13, so that the supercharging is realized, and the brushless motor has the advantages of high power, stable operation, low working noise, effective self-cooling, contribution to boosting pressure and guarantee of water supply pressure and flow; the cooperation rivers inductive switch 14, when delivery port 13 low reaches appear the water demand, normal rivers flow will promote rivers inductive switch 14 to control coil 212 circular telegram drive brushless rotor 22 and rotate the pressure boost, after delivery port low reaches stop the water, rivers inductive switch 14 resets, and coil 212 outage stops the pressure boost, realizes the purpose of automatic pressure boost during the water.
In this embodiment, the stator housing 211 is provided with a support shaft 2111, the support shaft 2111 is sleeved with a graphite sliding sleeve 2112, the center of the rotor frame 221 is provided with a rotation hole 2211, and the rotation hole 2211 is sleeved on the graphite sliding sleeve 2112 and rotates relative to the graphite sliding sleeve 2112.
In the above structure, the supporting shaft 2111 cooperates with the graphite sliding sleeve 2112, so that the rotor frame 221 rotates on the graphite sliding sleeve 2112 through the rotary hole 2211, friction is effectively reduced, concentricity of the rotor frame 221 and the coil 212 is ensured, the graphite sliding sleeve 2112 has self-lubricating property and is wear-resistant, the service life is effectively prolonged, and the working noise is also reduced in an auxiliary manner.
In this embodiment, the outer wall of the rotor frame 221 is provided with a water guiding hole 2212 connected to the turning hole 2211.
In the above structure, the water guiding hole 2212 can be used to guide the passing water flow to the space between the rotary hole 2211 and the graphite sliding sleeve 2112, so as to perform the function of flushing and cooling.
In this embodiment, the water guide holes 2212 are uniformly distributed along the circumferential direction of the rotor frame 221.
In the above structure, two water guide holes 2212 are preferable.
In this embodiment, the water flow sensor further includes a control board 15 electrically connected to the coil 212 and the water flow sensing switch 14, and a pressure adjusting switch 151 is disposed on the control board 15.
In the above structure, the two pressure adjusting switches 151 are respectively a pressure increasing switch and a pressure reducing switch, and are used for adjusting different water outlet pressures.
In this embodiment, the pump further includes an upper cover 16 and a lower cover 17 covering the pump housing 10 and the motor 20, the upper cover 16 is provided with an adjusting button 161 and an on-off switch 162 electrically connected to the control board 15, and the pressure adjusting switch 151 is located below the adjusting button 161.
In the above structure, the on-off switch 162 is used to control the on-off of the main power supply of the motor 20 and the control board 15.
In this embodiment, the water flow sensing switch 14 is disposed between the water outlet 13 and the pump cavity 11.
In the above-mentioned structure, enable the perception of rivers inductive switch 14 more accurate, if set up in water inlet 12, can lead to the cavitation bubble that the suction produced to influence the perception of rivers inductive switch 14.
In this embodiment, the stator housing 211 is provided with an annular accommodating cavity 2113, and the coil 212 is located in the accommodating cavity 2113 and encapsulated with epoxy resin (not shown).
In the above structure, the accommodating chamber 2113 is used for separating the coil 212 from the pump chamber 11; the epoxy resin glue is used for fixing the coil 212 in the accommodating cavity 2113 and effectively transferring heat generated by the coil 212 during working for heat dissipation.
In this embodiment, the brushless rotor 22 is attracted to the coil 212 by the magnet 222 to achieve self-positioning in the axial direction of the support shaft.
In the above structure, after the epoxy resin glue is filled and sealed, the coil 212 is easily floated due to the influence of the epoxy resin glue, so that the brushless rotor 22 leaves a certain axial moving space on the supporting shaft 2111, and it is ensured that the relative position between the brushless rotor 22 and the coil 212 reaches a balance point through mutual adsorption of the magnet 222 and the coil 212.
In this embodiment, the rotor frame 221 and the impeller 223 are integrally injection-molded.
In the above-mentioned structure, effectively guarantee production efficiency to guarantee overall structure intensity.
The utility model has the beneficial effects that: the brushless annular stator 21 is matched with the brushless rotor 22 to drive the impeller 223 to rotate, water is pumped in from the water inlet 12 by the centrifugal force of the impeller 223 and then is thrown to the outer side of the pump cavity 11 and then flows out from the water outlet 13, so that pressurization is realized, and the brushless motor has the advantages of high power, stable operation, low working noise, capability of effectively performing self-cooling, contribution to boosting pressure and guarantee of water supply pressure and flow; the cooperation rivers inductive switch 14, when delivery port 13 low reaches appear the water demand, normal rivers flow will promote rivers inductive switch 14 to control coil 212 circular telegram drive brushless rotor 22 and rotate the pressure boost, after delivery port low reaches stop the water, rivers inductive switch 14 resets, and coil 212 outage stops the pressure boost, realizes the purpose of automatic pressure boost during the water.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make various improvements and modifications without departing from the technical principle of the present invention, and those improvements and modifications assumed in the above are also considered to be within the scope of the present invention.
Claims (10)
1. A booster pump comprises a pump shell, wherein the pump shell is provided with a pump cavity, a water inlet and a water outlet which are communicated with the pump cavity; still include motor and impeller, its characterized in that: the motor comprises a brushless annular stator and a brushless rotor positioned in the brushless annular stator, and the impeller is arranged on the brushless rotor and positioned in the pump cavity; the brushless annular stator comprises a stator shell and a coil positioned in the stator shell, and the brushless rotor comprises a rotor frame and a magnet positioned on the rotor frame; the stator shell is fixed on the pump shell; the pump shell is also provided with a water flow inductive switch for sensing the water flow from the water inlet to the water outlet.
2. A booster pump as claimed in claim 1, wherein: the stator shell is provided with a supporting shaft, the supporting shaft is sleeved with a graphite sliding sleeve, the center of the rotor frame is provided with a rotary hole, and the rotary hole is sleeved on the graphite sliding sleeve and rotates relative to the graphite sliding sleeve.
3. The booster pump of claim 1, wherein: and the outer wall of the rotor frame is provided with a water guide hole connected with the rotary hole.
4. A booster pump according to claim 3, wherein: the water guide holes are a plurality of and are uniformly distributed along the circumferential direction of the rotor frame.
5. A booster pump as claimed in claim 1, wherein: the water flow sensor also comprises a control panel electrically connected with the coil and the water flow inductive switch, and a pressure regulating switch is arranged on the control panel.
6. The booster pump of claim 5, wherein: the motor is characterized by further comprising an upper cover and a lower cover, wherein the upper cover and the lower cover are covered outside the pump shell and the motor, the upper cover is provided with an adjusting button and an on-off switch electrically connected with the control panel, and the pressure adjusting switch is located below the adjusting button.
7. A booster pump as claimed in claim 1, wherein: the water flow inductive switch is arranged between the water outlet and the pump cavity.
8. A booster pump as claimed in claim 2, wherein: the stator shell is provided with an annular accommodating cavity, and the coil is positioned in the accommodating cavity and is encapsulated with epoxy resin glue.
9. A booster pump as claimed in claim 8, wherein: the brushless rotor realizes self-positioning of the brushless rotor in the axial direction of the supporting shaft through the attraction of the magnet and the coil.
10. A booster pump as claimed in claim 1, wherein: the rotor frame and the impeller are integrally formed by injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220160945.XU CN216922532U (en) | 2022-01-20 | 2022-01-20 | Booster pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220160945.XU CN216922532U (en) | 2022-01-20 | 2022-01-20 | Booster pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216922532U true CN216922532U (en) | 2022-07-08 |
Family
ID=82262087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220160945.XU Expired - Fee Related CN216922532U (en) | 2022-01-20 | 2022-01-20 | Booster pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216922532U (en) |
-
2022
- 2022-01-20 CN CN202220160945.XU patent/CN216922532U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220708 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |