CN1210501C - Water pump - Google Patents
Water pump Download PDFInfo
- Publication number
- CN1210501C CN1210501C CN 03138005 CN03138005A CN1210501C CN 1210501 C CN1210501 C CN 1210501C CN 03138005 CN03138005 CN 03138005 CN 03138005 A CN03138005 A CN 03138005A CN 1210501 C CN1210501 C CN 1210501C
- Authority
- CN
- China
- Prior art keywords
- rotor
- housing
- insulation cover
- water pump
- sealed insulation
- 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 - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 239000000919 ceramic Substances 0.000 claims abstract description 47
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 239000000945 filler Substances 0.000 claims description 48
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 47
- 238000009413 insulation Methods 0.000 claims description 45
- 229910001220 stainless steel Inorganic materials 0.000 claims description 26
- 239000010935 stainless steel Substances 0.000 claims description 26
- 210000003205 muscle Anatomy 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 210000004907 gland Anatomy 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- 239000011810 insulating material Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000012774 insulation material Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000013016 damping Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 208000001840 Dandruff Diseases 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
- F04D29/047—Bearings hydrostatic; hydrodynamic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0606—Canned motor pumps
- F04D13/0633—Details of the bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0606—Canned motor pumps
- F04D13/064—Details of the magnetic circuit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
- F04D29/0465—Ceramic bearing designs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention discloses a water pump which comprises a casing and a motor arranged in the casing, wherein one end of the casing is provided with a water inlet, the other end of the casing is provided with a water outlet, and the water inlet and the water outlet are communicated by a water flow passage arranged in the casing. The present invention is characterized in that the motor comprises a stator provided with a sealing and insulating cover, and a rotor arranged in the stator, both ends of the sealing and insulating cover are provided with a first rotor supporting seat and a second rotor supporting seat, and are respectively and fixedly provided with a first ceramic shaft bracket and a second ceramic shaft bracket, a rotating shaft is movably matched with the first ceramic shaft bracket and the second ceramic shaft bracket, the top end of the rotating shaft penetrating through the second ceramic shaft bracket is provided with an impeller, the impeller is adjacent to the water inlet, the water flow passage is arranged between the sealing and insulating cover and the casing, and the sealing and insulating cover is fixed on the casing by two or more than two fixing ribs which are uniformly distributed on a circle, and is provided with a connecting pipe of coil guiding lines. The present invention has the advantages of high safety and reliability, long service life, low noise and convenient manufacture and installation.
Description
Technical field
The present invention relates to a kind of water pump.
Background technique
Existing water pump mainly comprises motor and is provided with the pump housing of booster cavity, in booster cavity, be provided with impeller, this impeller is connected in the rotating shaft of motor, thereby rotate the liquid that makes from the inflow of pump housing inlet by the rotation impeller of machine shaft and booster cavity, produce enough pressure, and flow out from the outlet of the pump housing, between the motor and the pump housing by the mechanical sealing element seal isolation, this present widely used water pump exists several main problems, the one, motor relies on housing and the fan heat radiation of self, its refrigerating function is relatively poor, the power of motor can only be increased, both wasted energy, and the also corresponding increase of the volume of motor; The 2nd, mechanical sealing element belongs to easily damaged parts, thereby damages easily and cause the water pump fault to influence the normal operation of whole work system; The 3rd, the bearing of motor uses noise big and be easy to damage; The 4th, the replacing of easily damaged parts is cumbersome, has certain installation to adjust required precision between the motor and the pump housing; The main cause of shortcomings such as these are exactly water pump ubiquity rate of fault height, and the life-span is short, and manufacture difficulty is big.In order to solve the heat dissipation problem that water pump exists, relevant technologies personnel improve the structure of water pump, No. 02218367.1 Chinese utility model patent of bulletin disclosed a kind of water pump as on February 26th, 2003, it comprises the motor that is arranged in the inner housing inner chamber, be used to hold the frame of inner housing, be provided with flow channel between the inwall of frame and the outer wall of inner housing, flow channel is connected with the water inlet of an end of frame and the water outlet of the other end, be fixed with impeller on the motor output shaft on the motor, impeller is positioned at the water inlet place of the inner chamber of frame, water enters through flow channel from water inlet, the heat that motor sends is conducted in the flow channel by inner housing, take away by the water that flows, improved the heat dispersion of motor.But this water pump yet exists following defective: the one, and the structure of motor internal does not change, and the seal request between motor shaft is very high, weares and teares and the electric leakage that causes leaking easily, uses safety inadequately; The 2nd, the other problem that motor exists is not resolved yet.In a word, this conventional motor technological scheme of working in water is difficult to realize.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of simple in structure at above-mentioned prior art present situation, and is safe and reliable, long service life, and noise is low, makes the easy-to-install water pump.
The present invention solves the problems of the technologies described above the technological scheme that is adopted: a kind of water pump, comprise housing and be arranged on the interior motor of housing, one end of described housing is provided with first end cap, described first end cap is provided with water inlet, the other end of described housing is provided with water outlet, described water inlet is connected by the flow channel that is arranged in the described housing with described water outlet, described motor comprises the stator that is provided with the sealed insulation cover, described stator is provided with rotor is concentric, described stator is arranged on the radially outer of described rotor, the two ends of described sealed insulation cover are provided with the first rotor bearing and the second rotor bearing, described the first rotor bearing internal fixation is provided with the first ceramic pedestal, the rotating shaft of described rotor one end and the described first ceramic pedestal are movingly, the described second rotor bearing is set with the second ceramic pedestal, the described second ceramic pedestal is passed in the rotating shaft of the described rotor the other end, the rotating shaft of described rotor and the described second ceramic pedestal are movingly, the top of passing the part of the described second ceramic pedestal in described rotating shaft is provided with impeller, described impeller is near described water inlet, be provided with described flow channel between described sealed insulation cover and the described housing, between described sealed insulation cover and described housing, be provided with equally distributed two or more fixedly muscle on circumference, described sealed insulation cover is fixed on the described housing by described fixedly muscle, described sealed insulation cover is provided with the connecting tube of the lead-out wires of coil that holds described stator of one connection, described connecting tube extends to the outside of housing, sealing and fixing between described connecting tube and the described fenestra by the fenestra on the described housing.
Described sealed insulation cover is connected together mutually by first stainless steel sleeve and second stainless steel sleeve, be provided with insulating material between described sealed insulation cover and the described stator, bayonet socket place in described first stainless steel sleeve and the mutual clamping of second stainless steel sleeve, be provided with seal ring, described seal ring can be an O type circle, also can be the seal ring of other shape, can also be at bayonet socket place welded seal; Described sealed insulation cover also can be that other anti-corrosive insulation material forms, and stator can also be immersed in some anti-corrosive insulation material to form one deck sealed insulation protective film on stator.
The outer surface of described rotor is provided with one deck antirust coat, also the stainless steel stuffing box gland can be set at the outer surface of described rotor, and described rotating shaft is that pottery is made.
In order to prevent the bump that move and when mobile produce of rotor in stator, can first shaft filler washer and second shaft filler washer be set between the described first ceramic pedestal and described rotor, the 3rd shaft filler washer and the 4th shaft filler washer are set between the described second ceramic pedestal and described rotor.Described first shaft filler washer and the 3rd shaft filler washer can be that pottery is made, and also can be that graphite is made, and described second shaft filler washer and the 4th shaft filler washer are that rubber is made.Above-mentioned such combination can produce damping function preferably.
Described fixedly muscle be one in advance on described housing, also can be movable dismountable, this fixedly muscle can be flexible material, also can be that rigid material is made.
The other end of described housing can also be provided with second end cap, and described water outlet can be arranged on described second end cap.
Compared with prior art, the invention has the advantages that traditional thinking theory that the pump housing of water pump separates with motor since having changed always, motor is placed the housing of water pump, outside the pump volume that dewaters reduces greatly, by motor the time is immersed in the mobile water in work, and can directly utilize current that motor is cooled off, and manufacturing and mounting process are all greatly simplified, and removed the Sealing of easy loss, the rate of fault that water pump is caused because of leaking reduces greatly; In addition, substitute in the motor original bearing that uses, utilize water directly to provide lubricated ceramic pedestal with ceramic pedestal, high lubricating effect not only, and also the motion noise is very little, adds the damping function of water to mechanical noise, greatly reduces the operational noise of water pump; The sealed insulation cover is set outside stator, can prevents the electric leakage of leaking, resin layer is set or stainless steel sleeve can be protected the rotor non-corrosive at rotor outer surface; and make rotating shaft with pottery; not only can prevent to get rusty, and its scurf resistance raising, mechanical noise obviously reduces.
Description of drawings
Fig. 1 is an embodiment of the invention structural representation 1.;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is an embodiment of the invention structural representation 2.;
Fig. 4 is the A-A sectional view of Fig. 3;
Fig. 5 is an embodiment of the invention structural representation 3.;
Fig. 6 is the A-A sectional view of Fig. 5.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Embodiment is 1.: as depicted in figs. 1 and 2, a kind of water pump, comprise housing 1 and the motor 2 that is arranged in the housing 1, one end of housing 1 is provided with first end cap 3, first end cap 3 is provided with water inlet 4, the other end of housing 1 is provided with water outlet 5, water inlet 4 is connected by the flow channel 6 that is arranged in the housing 1 with water outlet 5, motor 2 comprises the stator 22 that is provided with sealed insulation cover 21, stator 22 and rotor 23 concentric settings, stator 22 is arranged on the radially outer of rotor 23, the two ends of sealed insulation cover 21 are provided with the first rotor bearing 24 and the second rotor bearing 25, the first rotor bearing 24 internal fixation are provided with the first ceramic pedestal 26, rotating shaft 28 1 ends of rotor 23 and the first ceramic pedestal 26 are movingly, the second rotor bearing 25 is set with the second ceramic pedestal 27, rotating shaft 28 the other ends pass the second ceramic pedestal 27, between the rotating shaft 28 and the second ceramic pedestal 27 movingly, top in the rotating shaft 28 of passing the second ceramic pedestal 27 is provided with impeller 7, impeller 7 is near water inlet 4, be provided with flow channel 6 between sealed insulation cover 21 and the housing 1, between sealed insulation cover 21 and housing 1, be provided with equally distributed two or more fixedly muscle 8 on circumference, sealed insulation cover 21 is fixed on the housing 1 by fixing muscle 8, sealed insulation cover 21 is provided with the connecting tube 29 of the coil that holds stator 2 20 lighting outlets of one connection, connecting tube 29 extends to the outside of housing 1, sealing and fixing between connecting tube 29 and the fenestra 12 by the fenestra on the housing 1 12.
Sealed insulation cover 21 is connected together mutually by first stainless steel sleeve 31 and second stainless steel sleeve 32, be provided with insulating material between sealed insulation cover 21 and the stator 22, bayonet socket place in first stainless steel sleeve 31 and the 32 mutual clampings of second stainless steel sleeve is provided with seal ring 33.Seal ring 33 can be an O type circle, also can be the seal ring of other shape.Can also be at bayonet socket place welded seal.
The outer surface of rotor 23 is provided with one deck antirust coat, and perhaps the outer surface at rotor 23 is provided with the stainless steel stuffing box gland, and rotating shaft 28 is that pottery is made.
Be provided with first shaft filler washer 34 and second shaft filler washer 35 between the first ceramic pedestal 26 and rotor 23 end faces, between the end face of the second ceramic pedestal 27 and rotor 23, be provided with the 3rd shaft filler washer 36 and the 4th shaft filler washer 37.First shaft filler washer 34 and the 3rd shaft filler washer 36 are that pottery is made, and second shaft filler washer 35 and the 4th shaft filler washer 37 are that rubber is made.First shaft filler washer 34 and the 3rd shaft filler washer 36 also can be that graphite is made.
Embodiment is 2.: as shown in Figure 3 and Figure 4, a kind of water pump, comprise housing 1 and the motor 2 that is arranged in the housing 1, one end of housing 1 is provided with first end cap 3, first end cap 3 is provided with water inlet 4, the other end of housing 1 is provided with second end cap 9, water outlet 5 is arranged on second end cap 9, water inlet 4 is connected by the flow channel 6 that is arranged in the housing 1 with water outlet 5, motor 2 comprises the stator 22 that is provided with sealed insulation cover 21, stator 22 and rotor 23 concentric settings, stator 22 is arranged on the radially outer of rotor 23, the two ends of sealed insulation cover 21 are provided with the first rotor bearing 24 and the second rotor bearing 25, the first rotor bearing 24 internal fixation are provided with the first ceramic pedestal 26, rotating shaft 28 1 ends of rotor 23 and the first ceramic pedestal 26 are movingly, the second rotor bearing 25 is set with the second ceramic pedestal 27, rotating shaft 28 the other ends pass the second ceramic pedestal 27, between the rotating shaft 28 and the second ceramic pedestal 27 movingly, top in the rotating shaft 28 of passing the second ceramic pedestal 27 is provided with impeller 7, impeller 7 is near water inlet 4, be provided with flow channel 6 between sealed insulation cover 21 and the housing 1, be provided with equally distributed two or more fixedly muscle 8 on circumference between sealed insulation cover 21 and housing 1, sealed insulation cover 21 is fixed on the housing 1 by fixing muscle 8.Sealed insulation cover 21 is provided with the connecting tube 29 of the coil that holds stator 2 20 lighting outlets that one connects, and connecting tube 29 extends to the outside of housing 1, sealing and fixing between connecting tube 29 and the fenestra 12 by the fenestra on the housing 1 12.
Sealed insulation cover 21 is connected together mutually by first stainless steel sleeve 31 and second stainless steel sleeve 32, be provided with insulating material between sealed insulation cover 21 and the stator 22, bayonet socket place in first stainless steel sleeve 31 and the 32 mutual clampings of second stainless steel sleeve is provided with seal ring 33.Seal ring 33 can be an O type circle, also can be the seal ring of other shape.Can also be at bayonet socket place welded seal.
The outer surface of rotor 23 is provided with one deck antirust coat, and perhaps the outer surface at rotor 23 is provided with the stainless steel stuffing box gland, and rotating shaft 28 is that pottery is made.
Be provided with first shaft filler washer 34 and second shaft filler washer 35 between the first ceramic pedestal 26 and rotor 23 end faces, between the end face of the second ceramic pedestal 27 and rotor 23, be provided with the 3rd shaft filler washer 36 and the 4th shaft filler washer 37.First shaft filler washer 34 and the 3rd shaft filler washer 36 are that pottery is made, and second shaft filler washer 35 and the 4th shaft filler washer 37 are that rubber is made.First shaft filler washer 34 and the 3rd shaft filler washer 36 also can be that graphite is made.
Embodiment is 3.: as shown in Figure 5 and Figure 6, a kind of water pump, comprise housing 1 and the motor 2 that is arranged in the housing 1, one end of housing 1 is provided with first end cap 3, first end cap 3 is provided with water inlet 4, the other end of housing 1 is provided with second end cap 9, second end cap 9 is provided with water outlet 5, water inlet 4 is connected by the flow channel 6 that is arranged in the housing 1 with water outlet 5, motor 2 comprises the stator 22 that is provided with sealed insulation cover 21, stator 22 and rotor 23 concentric settings, stator 22 is arranged on the radially outer of rotor 23, the two ends of sealed insulation cover 21 are provided with the first rotor bearing 24 and the second rotor bearing 25, the first rotor bearing 24 internal fixation are provided with the first ceramic pedestal 26, rotating shaft 28 1 ends of rotor 23 and the first ceramic pedestal 26 are movingly, the second rotor bearing 25 is set with the second ceramic pedestal 27, rotating shaft 28 the other ends pass the second ceramic pedestal 27, between the rotating shaft 28 and the second ceramic pedestal 27 movingly, top in the rotating shaft 28 of passing the second ceramic pedestal 27 is provided with impeller 7, impeller 7 is near water inlet 4, be provided with flow channel 6 between sealed insulation cover 21 and the housing 1, between sealed insulation cover 21 and housing 1, be provided with equally distributed two or more fixedly muscle 8 on circumference, sealed insulation cover 21 is fixed on the housing 1 by fixing muscle 8, and fixedly muscle 8 is that one is in advance on housing 1.Sealed insulation cover 21 is provided with the connecting tube 29 of the coil that holds stator 2 20 lighting outlets that one connects, and connecting tube 29 extends to the outside of housing 1, sealing and fixing between connecting tube 29 and the fenestra 12 by the fenestra on the housing 1 12.
Sealed insulation cover 21 is connected together mutually by first stainless steel sleeve 31 and second stainless steel sleeve 32, be provided with insulating material between sealed insulation cover 21 and the stator 22, bayonet socket place in first stainless steel sleeve 31 and the 32 mutual clampings of second stainless steel sleeve is provided with seal ring 33.Seal ring 33 can be an O type circle, also can be the seal ring of other shape.Can also be at bayonet socket place welded seal.
The outer surface of rotor 23 is provided with one deck antirust coat, and perhaps the outer surface at rotor 23 is provided with the stainless steel stuffing box gland, and rotating shaft 28 is that pottery is made.
Be provided with first shaft filler washer 34 and second shaft filler washer 35 between the first ceramic pedestal 26 and rotor 23 end faces, between the end face of the second ceramic pedestal 27 and rotor 23, be provided with the 3rd shaft filler washer 36 and the 4th shaft filler washer 37.First shaft filler washer 34 and the 3rd shaft filler washer 36 are that pottery is made, and second shaft filler washer 35 and the 4th shaft filler washer 37 are that rubber is made.First shaft filler washer 34 and the 3rd shaft filler washer 36 also can be that graphite is made.
In the foregoing description, sealed insulation cover 21 also can be that other anti-corrosive insulation material forms, and stator can also be immersed in some anti-corrosive insulation material to form one deck sealed insulation protective film on stator.Fixedly muscle 8 can be a flexible material, also can be that rigid material is made.
Claims (10)
1, a kind of water pump, comprise housing (1) and be arranged on the interior motor (2) of housing (1), one end of described housing (1) is provided with first end cap (3), described first end cap (3) is provided with water inlet (4), the other end of described housing (1) is provided with water outlet (5), described water inlet (4) is connected by the flow channel (6) that is arranged in the described housing (1) with described water outlet (5), it is characterized in that, described motor (2) comprises the stator (22) that is provided with sealed insulation cover (21), described stator (22) and the concentric setting of rotor (23), described stator (22) is arranged on the radially outer of described rotor (23), the two ends of described sealed insulation cover (21) are provided with the first rotor bearing (24) and the second rotor bearing (25), described the first rotor bearing (24) internal fixation is provided with the first ceramic pedestal (26), the rotating shaft (28) of described rotor (23) one ends and the described first ceramic pedestal (26) are movingly, the described second rotor bearing (25) is set with the second ceramic pedestal (27), the described second ceramic pedestal (27) is passed in the rotating shaft (28) of described rotor (23) the other end, the rotating shaft (28) of described rotor (23) and the described second ceramic pedestal (27) are movingly, the top of passing the part of the described second ceramic pedestal (27) in described rotating shaft (28) is provided with impeller (7), described impeller (7) is near described water inlet (4), be provided with described flow channel (6) between described sealed insulation cover (21) and the described housing (1), between described sealed insulation cover (21) and described housing (1), be provided with equally distributed two or more fixedly muscle (8) on circumference, described sealed insulation cover (21) is fixed on the described housing (1) by described fixedly muscle (8), described sealed insulation cover (21) is provided with the connecting tube (29) of the coil that holds described stator (22) (20) lighting outlet of one connection, described connecting tube (29) extends to the outside of described housing (1), sealing and fixing between described connecting tube (29) and the described fenestra (12) by the fenestra (12) on the described housing (1).
2, a kind of water pump as claimed in claim 1, it is characterized in that described sealed insulation cover (21) is connected together mutually by first stainless steel sleeve (31) and second stainless steel sleeve (32), be provided with insulating material between described sealed insulation cover (21) and the described stator (22), bayonet socket place in described first stainless steel sleeve (31) and the mutual clamping of second stainless steel sleeve (32) is provided with seal ring (33).
3, a kind of water pump as claimed in claim 2 is characterized in that described seal ring (33) is an O type circle.
4, a kind of water pump as claimed in claim 3 is characterized in that the outer surface of described rotor (23) is provided with one deck antirust coat, and described rotating shaft (28) is that pottery is made.
5, a kind of water pump as claimed in claim 3 is characterized in that the outer surface of described rotor (23) is provided with the stainless steel stuffing box gland, and described rotating shaft (28) is that pottery is made.
6, as claim 2 or 3 or 4 or 5 described a kind of water pumps, it is characterized in that between the described first ceramic pedestal (26) and described rotor (23), being provided with first shaft filler washer (34) and second shaft filler washer (35), between the described second ceramic pedestal (27) and described rotor (23), be provided with the 3rd shaft filler washer (36) and the 4th shaft filler washer (37).
7, a kind of water pump as claimed in claim 6 is characterized in that described first shaft filler washer (34) and the 3rd shaft filler washer (36) are that pottery is made, and described second shaft filler washer (35) and the 4th shaft filler washer (37) are that rubber is made.
8, a kind of water pump as claimed in claim 7 is characterized in that described first shaft filler washer (34) and the 3rd shaft filler washer (36) are that graphite is made.
9, a kind of water pump as claimed in claim 8 is characterized in that the other end of described housing (1) is provided with second end cap (9), and described water outlet (5) is arranged on described second end cap (9).
10, a kind of water pump as claimed in claim 8, it is characterized in that described fixedly muscle (8) is that one is in advance on described housing (1), the other end of described housing (1) is provided with second end cap (9), and described water outlet (5) is arranged on described second end cap (9).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03138005 CN1210501C (en) | 2003-05-21 | 2003-05-21 | Water pump |
| PCT/CN2004/000504 WO2004104424A1 (en) | 2003-05-21 | 2004-05-18 | A water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03138005 CN1210501C (en) | 2003-05-21 | 2003-05-21 | Water pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1455118A CN1455118A (en) | 2003-11-12 |
| CN1210501C true CN1210501C (en) | 2005-07-13 |
Family
ID=29260571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03138005 Expired - Lifetime CN1210501C (en) | 2003-05-21 | 2003-05-21 | Water pump |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1210501C (en) |
| WO (1) | WO2004104424A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI799190B (en) * | 2022-03-15 | 2023-04-11 | 大井泵浦工業股份有限公司 | Motor modules and water-cooled pumps with motor modules |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106160345B (en) * | 2014-04-11 | 2018-05-08 | 海汇新能源汽车有限公司 | The method of work of the energy-efficient motor of pure electric automobile |
| CN105736356A (en) * | 2016-04-19 | 2016-07-06 | 江苏华源防爆电机有限公司 | Water pump motor with self-cooling device |
| CN108356956A (en) * | 2018-05-02 | 2018-08-03 | 石文革 | A kind of ceramic withdrawal device |
| CN112780586B (en) * | 2019-11-08 | 2024-02-27 | 青岛海尔智能技术研发有限公司 | Gas booster and gas equipment |
| CN115459505A (en) * | 2022-10-25 | 2022-12-09 | 厦门岚帝智能科技有限公司 | Ceramic sealing waterproof motor |
| CN115788918B (en) * | 2023-02-03 | 2023-04-18 | 福建佳润电机工业有限公司 | Water suction pump with noise reduction protection device |
| CN116531656A (en) * | 2023-04-27 | 2023-08-04 | 深圳核心医疗科技股份有限公司 | Ventricular assist device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5195877A (en) * | 1990-10-05 | 1993-03-23 | Kletschka Harold D | Fluid pump with magnetically levitated impeller |
| CN2537844Y (en) * | 2002-01-15 | 2003-02-26 | 蔡仁宝 | Water pump |
-
2003
- 2003-05-21 CN CN 03138005 patent/CN1210501C/en not_active Expired - Lifetime
-
2004
- 2004-05-18 WO PCT/CN2004/000504 patent/WO2004104424A1/en not_active Ceased
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI799190B (en) * | 2022-03-15 | 2023-04-11 | 大井泵浦工業股份有限公司 | Motor modules and water-cooled pumps with motor modules |
| US12092131B2 (en) | 2022-03-15 | 2024-09-17 | Walrus Pump Co., Ltd. | Motor module and motor module comprising the same |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2004104424A1 (en) | 2004-12-02 |
| CN1455118A (en) | 2003-11-12 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20031112 Assignee: Zhejiang Danqing Tools Co.,Ltd. Assignor: Rong Rong Lian Contract record no.: 2010330000251 Denomination of invention: Automatic protector for water pump Granted publication date: 20050713 License type: Common License Record date: 20100312 |
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| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG SHENHAI PUMP INDUSTRY TECHNOLOGY CO., LTD Free format text: FORMER OWNER: LIAN RONGHUI Effective date: 20130626 |
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Free format text: CORRECT: ADDRESS; FROM: 315800 NINGBO, ZHEJIANG PROVINCE TO: 323804 LISHUI, ZHEJIANG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20130626 Address after: 323804 Zhejiang province Qingyuan County Qingyuan Industrial Park Dongshan Yang Industrial Park No. 4 Patentee after: ZHEJIANG SHENHAI BUMP INDUSTRY TECHNOLOGY CO.,LTD. Address before: 315800 Zhejiang province Ningbo city Beilun District Xin Qi Zhen Ao Li Fu apartment 17-604 Patentee before: Rong Rong Lian |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Water pump vanes Effective date of registration: 20170824 Granted publication date: 20050713 Pledgee: Zhejiang Qingyuan Tyrone town bank Limited by Share Ltd. Pledgor: ZHEJIANG SHENHAI BUMP INDUSTRY TECHNOLOGY CO.,LTD. Registration number: 2017330000091 |
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