CN210087625U - Drinking water pump - Google Patents
Drinking water pump Download PDFInfo
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- CN210087625U CN210087625U CN201822205840.8U CN201822205840U CN210087625U CN 210087625 U CN210087625 U CN 210087625U CN 201822205840 U CN201822205840 U CN 201822205840U CN 210087625 U CN210087625 U CN 210087625U
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Abstract
The utility model relates to a drinking water pump, its water pump includes stator coil, magnetism rotor, pivot and water wheels, and this drinking water pump still includes pump head lid, drain pan, isolation sleeve and axle sleeve board, and in the time of work, this water wheels rotates in the pressure boost chamber, and the drinking water in the pressure boost chamber circulates between pressure boost chamber and lumen and flows, and simultaneously, this magnetism rotor and this pivot soak in the drinking water in the lumen to reach the effect lubricated, dispel the heat, fall and make an uproar.
Description
Technical Field
The utility model relates to a water pump especially indicates one kind and is used for providing power for drinking water, can drive the drinking water and flow out the water pump that supplies people to use from the water route, the utility model discloses a water pump is especially suitable for in the purifier of purifier, reverse osmosis water purifier or other types.
Background
As is well known, as a result of industrialization and environmental protection, rivers as water sources are generally polluted by factory wastewater, household wastewater, garbage or livestock excrement, and the like, and the problem of water source pollution is more and more serious, and additionally, the pipeline of tap water is old and replaced too slowly, the reservoir in the building is dirty, and the confidence of tap water required to be drunk by people every day is insufficient, so that household reverse osmosis water purifiers are installed in kitchens of many modern households to ensure the safety of drinking water.
As shown in fig. 1, a conventional household reverse osmosis water purifier 100 comprises a booster pump 101, a coarse impurity filter element 102, a fine impurity filter element 103, an activated carbon filter element 104, an RO membrane tube (reverse osmosis membrane) 200, a pure water pressure tank 300, and a gooseneck water outlet tap 301, wherein the booster pump 101, the coarse impurity filter element 102, the fine impurity filter element 103, the activated carbon filter element 104, and the RO membrane tube 200 are combined in a housing 105, and after being purchased by a consumer, the consumer sends a person to the consumer for installation, and the installation configuration is as shown in fig. 1, first, a water inlet of the booster pump 101 is connected with a tap water pipe (not shown) of the tap water pipe by a water pipe P1, the pure water outlet 201 of the RO membrane tube 200 is connected to the pure water pressure tank 300 by one port of a three-way check valve 302, and a water pipe P2 is connected to the gooseneck water outlet tap 301 by the other port of the three-way check valve 302, the non-drinking water outlet 202 of the RO membrane tube 200 is connected to the drain pipe P4 under the washing water tank 2 through the water pipe P3, thereby completing the installation of the entire home-use reverse osmosis water purifier 100.
As shown in fig. 1, when the household reverse osmosis water purifier 100 filters water, tap water W (as indicated by a blank arrow in fig. 1) is pressurized by a booster pump 101, and then sequentially passes through a coarse impurity filter element 102, a fine impurity filter element 103, an activated carbon filter element 104, and an RO membraneThe pipe 200 is used for filtering, and finally pure water W1 and high-concentration non-drinking water W2 are separated by the RO membrane pipe 200, the pure water W1 (shown by a solid arrow in FIG. 1) flows into the pure water pressure barrel 300 through the water pipe P1 via the three-way check valve 302 for storage, and the non-drinking water W2 (shown by a dashed arrow in FIG. 3) flows into the water drain pipe P4 through the water pipe P3 for outward discharge; wherein, the coarse impurity filter element 102 and the fine impurity filter element 103 can filter various impurity particle suspended substances or organic substances with different sizes and volumes in the tap water, the active carbon filter element 104 can absorb chlorine and other chemical substances in the tap water, the aperture of the membrane tube of the RO membrane tube 200 is only 10-10Rice can filter heavy metals and various viruses in the tap water W, so the pure water W1 flowing out through the pure water outlet 201 can be drunk by people, but the non-drinking water W2 discharged through the non-drinking water outlet 202 is high-concentration filtered water and can not be drunk, and flows into the drain pipe P4 to be discharged.
As shown in fig. 1, in practice, the reverse osmosis water purifier 100 as described above generally has a booster pump 101, a coarse impurity filter element 102, a fine impurity filter element 103, an activated carbon filter element 104, and an RO membrane tube 200 collectively disposed in a tank 400, and the pure water pressure tank 300 is disposed independently and outside the tank 400 due to its large volume, so that the conventional reverse osmosis water purifier 100 as described above occupies a large space when installed, and the assembling steps are complicated when assembling.
In order to overcome the above disadvantages, some integrated water purifiers have been proposed, as shown in fig. 2, which replace the pure water pressure tank 300 with a water storage tank 401 and then integrate the water storage tank 401 with a tank 400, so that the integrated water purifier can greatly reduce the overall size of the product, improve the product integration, and facilitate installation and assembly, but in order to deliver pure water W1 from the water storage tank 401 to the water outlet faucet 301, a water pump 402 needs to be installed between the water storage tank 401 and the water outlet faucet 301 to provide power.
As shown in fig. 3, which is a schematic structural diagram of a conventional water pump 402 (the housing and the pump head cover are not shown), the conventional water pump 402 mainly includes a stator coil 403, a magnetic rotor 404, a rotating shaft 405, a water wheel 406 and a sealing plate 407, the stator coil 403, the magnetic rotor 404, the rotating shaft 405, the water wheel 406 and the sealing plate 407 are simultaneously disposed in the housing, the water wheel 406 is covered in the pump head cover, the water wheel 406 rotates, and water flows in a direction indicated by an arrow in fig. 3.
As shown in fig. 3, the water wheel 406 is disposed at an end of the rotating shaft 405, the magnetic rotor 404 is fixedly sleeved on the rotating shaft 405, the stator coil 403 surrounds the magnetic rotor 404, and when the magnetic rotor works, the stator coil 403 is energized, so that the magnetic rotor 404 drives the rotating shaft 405 to rotate by virtue of the electromagnetic induction principle, and the water wheel 406 is driven to rotate at the same time.
However, the conventional water pump 402 has a number of disadvantages in specific applications, which will be described below.
Firstly, in order to prevent the magnetic rotor 404 from polluting the pure water at the position of the water wheel 406, the magnetic rotor 404 must be sealed in practice by sealing the magnetic rotor 404 in the sleeve 408 through the sealing plate 407, and the rotating shaft 405 needs to be externally connected with the water wheel 406, so that the sealing plate 407 must be provided with a through hole, so that a small amount of pure water can enter the sealing cavity through the gap between the rotating shaft 405 and the through hole to pollute the magnetic rotor 404, and when the polluted pure water flows out again from the gap, the polluted pure water is bound to pollute the drinking water, which is regarded as a main defect of the conventional technology.
Secondly, because the rotating shaft 405 rotates when working, the friction between the rotating shaft 405 and the sealing plate 407 inevitably generates high temperature, vibration and noise, and the generation of the problems can greatly reduce the service life of the water pump and the product quality of the water pump.
Thirdly, in order to improve the magnetic effect of the magnetic rotor 404, the magnetic rotor 404 is usually made of neodymium iron boron materials, and the neodymium iron boron is usually made by a bonding method and contains various particulate matters, wherein some of the substances can rust when meeting water and can easily fall off, in order to protect the neodymium iron boron magnetic rotor 404, the exterior of the neodymium iron boron magnetic rotor 404 needs to be wrapped by a shell, the gap distance between the stator coil 403 and the magnetic rotor 404 is increased for the first time to weaken the magnetic effect, and finally, leakage and water leakage are likely to occur along with the increase of water pressure and the lapse of time for the second wrapped shell which is tight, so that the magnetic rotor 404 can be disabled, and meanwhile, pure water drinking water can be polluted, which is a main disadvantage of the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model adopts the technical proposal that: the utility model provides a drinking water pump, its includes stator coil, magnetism rotor, pivot and water wheels, and wherein, this magnetism rotor sets up in this pivot, and this water wheels sets up at this pivot tip, and this stator coil ring establishes around this magnetism rotor.
The drinking water pump also comprises a pump head cover, a bottom shell, an isolation sleeve and a shaft cover plate, wherein the isolation sleeve is inserted in the bottom shell, a stator sealing cavity is formed between the isolation sleeve and the bottom shell, the stator sealing cavity is positioned between the outer surface of the isolation sleeve and the inner surface of the bottom shell, the stator coil is arranged in the stator sealing cavity, the magnetic rotor is arranged in a pipe cavity of the isolation sleeve, so that the stator coil is annularly arranged around the magnetic rotor, the shaft cover plate is arranged at the end part of the isolation sleeve, meanwhile, the shaft cover plate is positioned at the pipe orifice of the pipe cavity, a shaft hole is arranged on the shaft cover plate, the rotating shaft is arranged in the shaft hole in a penetrating way, the pump head cover is arranged on the bottom shell in a covering way, a pressurizing cavity is formed by surrounding the pump head cover and the shaft cover plate, the water wheel is arranged in the pressurizing cavity, and a water inlet hole and a water outlet hole are arranged on the pump head cover, the water inlet hole and the water outlet hole are communicated with the pressurizing cavity, the shaft cover plate is arranged between the pressurizing cavity and the pipe cavity, the shaft cover plate is provided with a communication hole, and the communication hole is communicated between the pressurizing cavity and the pipe cavity.
When the drinking water pump works, the water wheel rotates in the pressurizing cavity to pump drinking water into the water inlet hole and pump the drinking water out of the water outlet hole, in the process, the drinking water in the pressurizing cavity circularly flows between the pressurizing cavity and the pipe cavity through the communicating hole of the shaft cover plate, the drinking water in the pressurizing cavity enters the pipe cavity through the communicating hole of the shaft cover plate, and the magnetic rotor and the rotating shaft are soaked in the drinking water in the pipe cavity.
The magnetic rotor is made of iron oxide. This isolation sleeve pipe includes body and ferrule, and this ferrule fixed connection is at the tip of this body, and this ferrule is pressed to be established between this pump head lid and this drain pan, has seted up this intercommunicating pore of a plurality of on this apron, and this intercommunicating pore of a plurality of encircles and establishes around this shaft hole, and the protruding boss that is equipped with in this apron central point puts, and this boss is inserted and is established in the mouth of pipe of this lumen, and this intercommunicating pore of a plurality of is seted up in this boss.
The drinking water pump is assembled between the water storage tank and the water outlet faucet of the reverse osmosis water purifier so as to pump the drinking water in the water storage tank out of the water outlet faucet.
The drinking water pump also comprises a rotating shaft magnetic attraction positioning unit, wherein the rotating shaft magnetic attraction positioning unit comprises a magnetic attraction part and a positioning part, the magnetic attraction part corresponds to the magnetic rotor, the positioning part corresponds to the rotating shaft, and the positioning part is positioned at one end part of the rotating shaft.
When the motor is in a non-working state, the positioning part is not in contact with the rotating shaft, when the motor is in a working state, the stator coil is electrified, the magnetic rotor and the rotating shaft start to rotate, at the moment, magnetic attraction force is generated between the magnetic part and the magnetic rotor, the magnetic rotor and the rotating shaft are pushed to move integrally by virtue of the action of the magnetic attraction force, and the positioning part is in contact with the rotating shaft, and at the moment, the rotating shaft rotates at a fixed position and along the axis of the rotating shaft by virtue of the positioning action of the positioning part.
The rotating shaft is provided with a shaft end face, the positioning part and the shaft end face are arranged at one end part of the rotating shaft correspondingly, and the contact position of the positioning part and the rotating shaft is a point. The magnetic part is arranged in the pipe cavity, the positioning part is fixedly arranged in the pressurizing cavity, and the position of the positioning part, which is contacted with the rotating shaft, is soaked in the drinking water.
The utility model has the advantages that: the utility model discloses a drinking water in this pressure boost chamber can be introduced into this lumen through this intercommunicating pore, and make this magnetism rotor and this pivot soak in drinking water, simultaneously, can also make the drinking water circulate and flow between this pressure boost chamber and this lumen, it mainly realizes following effect, firstly, this pivot must produce the friction at corresponding rotational position in the pivoted in-process, this pivot is soaked in drinking water and can lubricate each part of this pivot, greatly reduce the rotation frictional force, secondly, this pivot is because of frictional force's existence in the pivoted in-process, so the rotating part of water pump must rub and generate heat, through the characteristics that the drinking water circulates and flows between this pressure boost chamber and this lumen, can carry out quick continuous heat dissipation to the rotating part of water pump especially magnetism rotor and pivot, reduce the operating temperature of water pump, and then promote the life of water pump, thirdly, because this magnetism rotor and this pivot are soaked high-speed pivoted in drinking water in this lumen, so can promote the rotation stationarity of this magnetism rotor and this pivot, reduce vibration and then the noise reduction.
Drawings
FIG. 1 is a schematic view of a reverse osmosis water purifier.
Fig. 2 is a schematic structural diagram of a conventional integrated water purifier.
Fig. 3 is a schematic structural view of a conventional water pump.
Fig. 4 is the whole three-dimensional structure diagram of the water pump of the present invention.
Fig. 5 is a schematic view of the cross-sectional structure of the water pump of the present invention.
Fig. 6 is a schematic view of the three-dimensional decomposition structure of the water pump of the present invention.
Fig. 7 is the schematic view of the cross-sectional structure of the magnetic rotor shaft and the water wheel of the present invention.
Fig. 8 is a schematic perspective view of the isolation sleeve of the present invention.
Fig. 9 is a three-dimensional exploded view of the magnetic rotor, the rotating shaft, the water wheel, the isolation sleeve and the shaft cover plate of the present invention.
Fig. 10 is a schematic perspective exploded view of the magnetic rotor, the rotating shaft, the water wheel, the isolation sleeve and the shaft cover plate of the present invention at another angle.
Fig. 11 is a schematic view of the positioning of the rotating shaft of the end positioning motor of the present invention.
Fig. 12 is a schematic structural view of the rotating shaft and the positioning portion of the present invention.
Fig. 13 is a schematic view of the operation of the rotating shaft of the present invention.
Detailed Description
As shown in fig. 4 to 10, a drinking water pump includes a stator coil 10, a magnetic rotor 20, a rotating shaft 30, and a water wheel 40.
As shown in fig. 5, the magnetic rotor 20 is disposed on the rotating shaft 30, the water wheel 40 is disposed at the end of the rotating shaft 30, and the stator coil 10 is disposed around the magnetic rotor 20.
When the water pump works, the stator coil 10 is electrified, and the magnetic rotor 20 drives the rotating shaft 30 to rotate and simultaneously drives the water wheel 40 to rotate under the action of a magnetic field by virtue of the electromagnetic induction principle, so as to achieve the function of pumping water.
As shown in fig. 6, the drinking water pump further includes a pump head cover 50, a bottom case 60, an isolation sleeve 70, and a shaft cover plate 80.
The isolation sleeve 70 is inserted into the bottom casing 60, a stator sealing cavity 91 is formed between the isolation sleeve 70 and the bottom casing 60, and the stator sealing cavity 91 is located between an outer surface of the isolation sleeve 70 and an inner surface of the bottom casing 60. The stator coil 10 is disposed in the stator seal cavity 91.
The magnetic rotor 20 is disposed within the bore 92 of the isolation sleeve 70 such that the stator coil 10 is circumferentially disposed about the magnetic rotor 20.
The shaft cover plate 80 covers the end of the isolation sleeve 70, and the shaft cover plate 80 is located at the orifice of the lumen 92.
The shaft cover plate 80 is provided with a shaft hole 81, and the rotating shaft 30 is inserted into the shaft hole 81.
The pump head cover 50 is covered on the bottom casing 60, and a pressure increasing chamber 93 is formed by the pump head cover 50 and the shaft cover plate 80, and the water wheel 40 is disposed in the pressure increasing chamber 93.
The pump head cover 50 is provided with a water inlet 51 and a water outlet 52, and the water inlet 51 and the water outlet 52 are both communicated with the pressurizing chamber 93.
In operation, the water wheel 40 rotates in the pumping chamber 93 to pump drinking water in through the inlet opening 51 and out through the outlet opening 52.
As shown in fig. 4 to 10, the shaft cover plate 80 is disposed between the pressurizing chamber 93 and the tube chamber 92, and the shaft cover plate 80 is opened with a communication hole 82, and the communication hole 82 is disposed between the pressurizing chamber 93 and the tube chamber 92 in a communication manner.
When the potable water pump is operated, the water wheel 40 rotates in the pressurizing chamber 93 to pump the potable water into the water inlet hole 51 and out of the water outlet hole 52, and during this process, the potable water in the pressurizing chamber 93 circulates between the pressurizing chamber 93 and the pipe chamber 92 through the communication hole 82 of the shaft cover plate 80.
The drinking water in the pressurizing chamber 93 enters into the chamber 92 through the communication hole 82 of the shaft cover plate 80, so that the magnetic rotor 20 and the rotating shaft 30 are soaked in the drinking water in the chamber 92.
As described above, the present invention can introduce the drinking water in the pressurizing cavity 93 into the pipe cavity 92 through the communicating hole 82, and immerse the magnetic rotor 20 and the rotating shaft 30 in the drinking water, and at the same time, can circulate the drinking water between the pressurizing cavity 93 and the pipe cavity 92, which mainly realizes the following functions.
Firstly, the rotating shaft 30 inevitably generates friction at corresponding rotating positions in the rotating process, and the rotating shaft 30 can lubricate all parts of the rotating shaft 30 by soaking in drinking water, so that the rotating friction force is greatly reduced.
Secondly, this pivot 30 is because the existence of frictional force at the pivoted in-process, so the rotating part of water pump must be the friction and generate heat, through the characteristics that the drinking water circulated flow between this pressure boost chamber 93 and this lumen 92, can carry out quick continuous heat dissipation to the rotating part of water pump especially magnetic rotor 20 and pivot 30, reduce the operating temperature of water pump, and then promote the life of water pump.
Thirdly, since the magnetic rotor 20 and the rotating shaft 30 are immersed in the drinking water in the tube cavity 92 and rotate at a high speed, the rotation stability of the magnetic rotor 20 and the rotating shaft 30 can be improved, and vibration and noise can be reduced.
When embodied, the magnetic rotor20 from iron oxide (Fe)3O4) The magnetic rotor made of iron oxide is formed by sintering at high temperature over thousand degrees, so that the magnetic rotor does not rust and fall off when meeting water, can be directly soaked in drinking water, does not pollute water, does not need to wrap a shell outside the magnetic rotor, can reduce the gap between the rotor and the stator because the shell does not need to be wrapped outside the magnetic rotor, enhances the magnetic effect, and simultaneously, the iron oxide material has low cost and can greatly reduce the product cost.
In practical applications, a shaft sleeve 83 is disposed in the shaft hole 81 of the shaft cover plate 80, the rotating shaft 30 is inserted into the shaft sleeve 83, the shaft sleeve 83 is made of a wear-resistant material, such as a wear-resistant plastic, to improve the wear resistance of the shaft cover plate 80, and the rotating shaft 30 and the shaft sleeve 83 are made of a ceramic material.
In practical implementation, the front and rear ends of the rotating shaft 30 are also sleeved with gaskets 31 to avoid the occurrence of the situation that the rotating shaft penetrates and wears the magnetic rotor 20.
In one embodiment, the isolation sleeve 70 includes a tube 71 and a collar 72, the collar 72 is fixedly connected to an end of the tube 71, and the collar 72 is pressed between the pump head cover 50 and the bottom shell 60.
In practical application, the shaft cover plate 80 is provided with a plurality of the communication holes 82, and the plurality of the communication holes 82 are annularly arranged around the shaft hole 81.
In practical application, a boss 84 is protruded from the central position of the shaft cover plate 80, the boss 84 is inserted into the orifice of the tube cavity 92, and a plurality of the communication holes 82 are opened in the boss 84.
In particular embodiments, a slot, a latch, or the like may be disposed between the collar 72 of the isolation sleeve 70 and the shaft cover plate 80 to complete the connection between the shaft cover plate 80 and the isolation sleeve 70.
In the specific implementation, the drinking water pump is assembled between the water storage tank and the water outlet faucet of the reverse osmosis water purifier so as to pump the drinking water in the water storage tank out of the water outlet faucet for people to use.
In practical implementation, the water inlet 51 of the pump head cover 50 is communicated with a probe tube 53, and a probe is inserted into the probe tube 53, so as to achieve the effects of counting and measuring the water amount of the pump.
As shown in fig. 13, the drinking water pump further includes a magnetic attraction positioning unit 900 for the rotating shaft.
The magnetic attraction positioning unit 900 includes a magnetic attraction portion 901 and a positioning portion 902.
The magnetic attraction portion 901 corresponds to the magnetic rotor 20, the positioning portion 902 corresponds to the rotating shaft 30, and the positioning portion 902 is located at an end of the rotating shaft 30.
When the motor is in a non-operating state, the positioning portion 902 does not contact the rotating shaft 30.
When the motor is in an operating state, the stator coil 10 is energized, the magnetic rotor 20 and the rotating shaft 30 start to rotate, at this moment, a magnetic attraction force is generated between the magnetic attraction part 901 and the magnetic rotor 20, the magnetic rotor 20 and the rotating shaft 30 are pushed to integrally move under the action of the magnetic attraction force, and the positioning part 902 is made to contact with the rotating shaft 30, at this moment, the rotating shaft 30 is rotated at a fixed position along the axis of the rotating shaft 30 by the positioning action of the positioning part 902, and the rotation stability of the magnetic rotor 20 and the rotating shaft 30 is improved.
In the prior art, if the pivot is when the cover is established in ball bearing class part, because bearing self has the positioning action so the pivot generally can both be in fixed position and rotate along its self axis, but the cost of bearing is higher, all can use axle sleeve class structure to fix a position the pivot in a lot of pump body structures, and the axle sleeve can not prevent that the pivot from wearing around, so its stability of rotation must descend by a wide margin, in addition, as shown in fig. 13, there is the clearance between axle sleeve class part and the bearing, if the pivot rotational position is must not fixed, must be different in the wearing and tearing volume of each position in the axle sleeve, after long-time operation, the operation quality of product can descend by a wide margin, can greatly reduced product quality simultaneously.
As shown in fig. 12, in practical implementation, the rotating shaft 30 has a shaft end surface, and the positioning portion 902 is disposed at an end position of the rotating shaft 30 corresponding to the shaft end surface.
In practice, the positioning portion 902 may be correspondingly disposed at the top end or the bottom end of the rotating shaft 30, and it can also be described that the positioning portion 902 may be correspondingly disposed at the left or right end of the rotating shaft 30.
In practical implementation, the contact position of the positioning portion 902 and the rotating shaft 30 is a point.
In practice, a surface contact manner may be adopted, but the surface contact manner may increase the contact area between the positioning portion 92 and the rotating shaft 30, and further increase the friction force therebetween, so the present invention prefers a point contact manner.
When the practical implementation, this location portion 902 can be for steel ball or ceramic ball etc. now, and this pivot 30's axle end face is planar, and this location portion 902 also can be for steel sheet or ceramic plate etc. now, and this pivot 30's axle end face is spherical face, and in a word, the structure that aims at realizing the point contact all is the utility model discloses a design.
In practical applications, the magnetic attraction portion 901 may be made of iron sheets, iron rings, iron blocks, or other materials capable of generating magnetic force with the magnetic rotor 20.
The magnetically attracted portion 901 is also disposed in the lumen 92.
The positioning portion 902 is fixedly disposed in the pressurizing chamber 93, and the position where the positioning portion 902 contacts the rotating shaft 30 is soaked in the drinking water to achieve a lubricating effect.
Claims (8)
1. The utility model provides a drinking water pump, its includes stator coil, magnetism rotor, pivot and water wheels, wherein, this magnetism rotor sets up in this pivot, and this water wheels sets up at this pivot tip, and this stator coil ring establishes around this magnetism rotor its characterized in that:
the drinking water pump also comprises a pump head cover, a bottom shell, an isolation sleeve and a shaft cover plate, wherein the isolation sleeve is inserted in the bottom shell, a stator sealing cavity is formed between the isolation sleeve and the bottom shell, the stator sealing cavity is positioned between the outer surface of the isolation sleeve and the inner surface of the bottom shell, the stator coil is arranged in the stator sealing cavity,
the magnetic rotor is arranged in the tube cavity of the isolation sleeve, so that the stator coil ring is arranged around the magnetic rotor,
the shaft cover plate is covered at the end part of the isolation sleeve, meanwhile, the shaft cover plate is positioned at the pipe orifice of the pipe cavity, the shaft hole is arranged on the shaft cover plate, the rotating shaft is arranged in the shaft hole in a penetrating way,
the pump head cover is arranged on the bottom shell, a pressure increasing cavity is formed by the pump head cover and the shaft cover plate in an encircling way, the water wheel is arranged in the pressure increasing cavity,
the pump head cover is provided with a water inlet hole and a water outlet hole which are communicated with the pressurizing cavity,
the shaft cover plate is arranged between the pressurizing cavity and the pipe cavity, and a communication hole is formed in the shaft cover plate and is communicated between the pressurizing cavity and the pipe cavity.
2. The potable water pump of claim 1, wherein: the magnetic rotor is made of iron oxide.
3. The potable water pump of claim 1, wherein: this isolation sleeve pipe includes body and ferrule, and this ferrule fixed connection is at the tip of this body, and this ferrule is pressed to be established between this pump head lid and this drain pan, has seted up this intercommunicating pore of a plurality of on this apron, and this intercommunicating pore of a plurality of encircles and establishes around this shaft hole, and the protruding boss that is equipped with in this apron central point puts, and this boss is inserted and is established in the mouth of pipe of this lumen, and this intercommunicating pore of a plurality of is seted up in this boss.
4. A potable water pump according to claim 1 or 3, wherein: the shaft cover plate is connected to the isolation sleeve.
5. The potable water pump of claim 1, wherein: the drinking water pump is arranged between the water storage tank and the water outlet faucet of the reverse osmosis water purifier.
6. The potable water pump of claim 1, wherein: the drinking water pump also comprises a rotating shaft magnetic attraction positioning unit, wherein the rotating shaft magnetic attraction positioning unit comprises a magnetic attraction part and a positioning part, the magnetic attraction part corresponds to the magnetic rotor, the positioning part corresponds to the rotating shaft, and the positioning part is positioned at one end part of the rotating shaft.
7. The potable water pump of claim 6, wherein: the rotating shaft is provided with a shaft end face, the positioning part and the shaft end face are arranged at one end part of the rotating shaft correspondingly, and the contact position of the positioning part and the rotating shaft is a point.
8. The potable water pump of claim 7, wherein: the magnetic part is arranged in the pipe cavity, the positioning part is fixedly arranged in the pressurizing cavity, and the position of the positioning part, which is contacted with the rotating shaft, is soaked in the drinking water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822205840.8U CN210087625U (en) | 2018-12-27 | 2018-12-27 | Drinking water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822205840.8U CN210087625U (en) | 2018-12-27 | 2018-12-27 | Drinking water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210087625U true CN210087625U (en) | 2020-02-18 |
Family
ID=69469880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822205840.8U Expired - Fee Related CN210087625U (en) | 2018-12-27 | 2018-12-27 | Drinking water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210087625U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630429A (en) * | 2018-12-27 | 2019-04-16 | 佛山市三角洲电器科技有限公司 | A kind of drinking water water pump and its pump method |
-
2018
- 2018-12-27 CN CN201822205840.8U patent/CN210087625U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630429A (en) * | 2018-12-27 | 2019-04-16 | 佛山市三角洲电器科技有限公司 | A kind of drinking water water pump and its pump method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200218 Termination date: 20211227 |