CN201155477Y - Single-phase pipeline shielding electric pump possessing ceramic axis and bearing - Google Patents
Single-phase pipeline shielding electric pump possessing ceramic axis and bearing Download PDFInfo
- Publication number
- CN201155477Y CN201155477Y CNU2008200552721U CN200820055272U CN201155477Y CN 201155477 Y CN201155477 Y CN 201155477Y CN U2008200552721 U CNU2008200552721 U CN U2008200552721U CN 200820055272 U CN200820055272 U CN 200820055272U CN 201155477 Y CN201155477 Y CN 201155477Y
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- bearing
- ceramic
- housing
- motor casing
- rotating shaft
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Abstract
The utility model discloses a single-phase pipeline shielding electric pump with a ceramic shaft and bearings. The utility model relates to a shielding electric pump which comprises a pump body, a motor shell arranged on the pump body by a fixing component, a ceramic rotary shaft and upper and lower ceramic bearings. The upper and the lower ceramic bearing are respectively arranged on an upper and a lower bearing base. The rotary shaft passes through the upper and the lower ceramic bearing; an impeller is arranged on one end of the ceramic rotary shaft and rotates together with the ceramic shaft. A rotor is fixed on the ceramic rotary shaft and between the upper and the lower ceramic bearing and in an air-tight cavity limited by the inner wall of a shielding cover and the lower bearing base. The shielding electric pump has the beneficial effect that the adoption of the ceramic shaft and the ceramic bearings breaks through the traditional method of an iron shaft and graphite bearings.
Description
Technical field:
The utility model relates to a kind of shielded electric-pump, specifically is a kind of single-phase pipeline shielding electric pump with porcelain shaft and bearing.
Background technique:
Generally adopt medium-sized pipeline electric pump in the market, mechanical seal was worn out after its major defect was to use a period of time, can produce leakage phenomenon, leaked the living environment that can pollute us in case produce, and the interior machinery oil of mechanical seal can polluted water.The while electric pump is installed in indoor, and the noise that produces during work can't normally be had a rest people.Shielded electric-pump then overcomes above-mentioned shortcoming, has embodied low noise, leak free advantage.General shielded electric-pump is made of shield electric machine and water pump, in the existing shield electric machine, is mostly to adopt the iron axle to cooperate graphite bearing to use, and such shortcoming has: 1. graphite has certain pollution, the iron axle for a long time need not after also get rusty easily polluted water; 2. graphite bearing has very high requirement to Environmental Conditions and medium, and when in medium particle being arranged, bearing is easy to wearing and tearing, thereby causes the life-span of entire product to be reduced; 3. the cost of metal current part is generally higher, and the cost of graphite bearing is also high.
The model utility content:
Technical problem to be solved in the utility model is to provide a kind of single-phase pipeline shielding electric pump with porcelain shaft and bearing, with the shielded electric-pump of alternative iron axle in the past and graphite bearing use.
Technical problem to be solved in the utility model can be achieved through the following technical solutions:
Have the single-phase pipeline shielding electric pump of porcelain shaft and bearing, comprising:
The pump housing;
Be installed in motor casing on the pump housing by fastening piece; Having of described motor casing one puts the hole that the gas screw passes;
One housing has a vent hole in the middle of the upside of described housing, and lower edge is provided with a flange edge, and described motor casing is fitted in this flange edge on the described pump housing, so that described housing is installed in the described motor casing; Be provided with sealing gasket between the upside of described housing and the motor casing;
Stator, described stator are installed on the inwall of motor casing and are arranged in described motor casing and closed cavity that described housing outer wall defines;
Upper and lower bearing support, described upper bearing bracket are fixed on the inwall of described housing upside, and described lower bearing flap is on the downside of described housing; The outward edge of described step is provided with a flange edge, and described motor casing is fitted in the flange edge on the step on the described pump housing by the flange edge on the housing;
Be arranged on flange edge on the described housing and the lower seal pad between the flange edge on the step;
Rotor and impeller; It is characterized in that,
Also comprise ceramic rotating shaft and upper and lower ceramic bearing, described upper and lower ceramic bearing is installed in respectively on the upper and lower bearing support, described upper and lower ceramic bearing is passed in described ceramic rotating shaft, and the end that described impeller is installed in described ceramic rotating shaft rotates with ceramic rotating shaft; Described rotor be fixed in the ceramic rotating shaft and the closed cavity that between upper and lower ceramic bearing and by described housing inwall and step, defines in.
For the problem of the axial float that solves rotor, described rotor and described ceramic rotating shaft between the ceramic bearing down are provided with thrust-bearing.
The beneficial effects of the utility model are after having adopted porcelain shaft and ceramic bearing, broken through and used the iron axle to join graphite bearing tradition using method in the past, have the following advantages: 1, adopt ceramic rotating shaft adapted ceramic bearing, pollution-free, so the utility model can be used for carrying potable water.2, Tao Ci hardness is very high, and very smooth through overground processing rear surface, and friction factor is very low, even therefore still can normally use under service condition very condition of severe, life of product can improve more than three times.3, after rotating shaft and bearing adopted ceramic rotating shaft and bearing, cost of material descended greatly, and the processing cost of having saved part is more than 50%.
Description of drawings:
Fig. 1 is that the utility model is formed structural representation.
Fig. 2 is ceramic rotating shaft of the present utility model and upper and lower ceramic bearing structure schematic representation.
Embodiment:
Below in conjunction with drawings and the specific embodiments structure of the present utility model and working principle are done further introduction.
As depicted in figs. 1 and 2, have the single-phase pipeline shielding electric pump of porcelain shaft and bearing, comprise the pump housing 11, impeller 12 and shield electric machine part.Have on the pump housing 11 into and out of water channel 111,112 and impeller cavity 113, impeller cavity 113 will be communicated with into and out of water channel 111,112.Shield electric machine partly comprises motor casing 2, bleed screw 1, seal ring 3, upward sealing gasket 4, housing 5, rotor 6, stator 7, thrust metal 8, step 9, lower seal pad 10, impeller 12, choma 13, ceramic bearing 15, thrust-bearing 16, ceramic rotating shaft 17 down, goes up ceramic bearing 18, upper bearing bracket 19.
Be provided with three steps at the pump housing 11 in order to the position that motor casing 2, housing 5 and step 9 are installed, wherein first step is in order to install and to limit motor casing 2, second step is in order to install and to limit housing 5 and 10, the three steps of lower seal pad in order to install and to limit step 9.
Housing 5 is a cylindrical part, by motor casing 2, step 9 with stator 7 and rotor 6 shieldings with separate.In the middle of the upside of housing 5, have a vent hole 51, the flange edge 53 that downside has a protrusion ring structure 52 that cooperates with step 9 and is arranged on these protrusion ring structure 52 edges.
The outward edge of step 9 be provided with one cover protrude on the ring structure 52 make progress turn edge 91 and be arranged on this outer peripheral flange edge 92 of 91 of turning edge.Upper bearing bracket 19 is welded on the inwall of housing 5 upsides.
During concrete the installation, choma 13 is installed in the impeller cavity 113, stator 7 is installed in the motor casing 2, and upper and lower ceramic bearing 18,15 is installed in respectively on upper bearing bracket 19 and the step 9, and rotor 6 and thrust-bearing 16 are installed in the ceramic rotating shaft 17.To go up sealing gasket 4 and housing 5 then and pack in the motor casing 2, last sealing gasket 4 is between the upside and motor casing 2 of housing 5.
The end that the ceramic rotating shaft 17 of rotor 6 and thrust-bearing 16 is housed is pressed in the ceramic bearing 18, lower seal pad 10 is put on the flange edge 53 of housing 5, again the following ceramic bearing 15 on the step 9 is pressed onto in the ceramic rotating shaft 17, at last impeller 12 is fixed in the ceramic rotating shaft 17.On the other hand bleed screw 1 being put seal ring 3 backs screws in the vent hole 51 of housing 11.Whole like this shield electric machine part just assembles.Lower seal pad 10 housing 5 flange edge 53 and step 9 between the flange edge 92, can prevent that the interior water of pump from entering into rotor 6.
The shield electric machine part left-hand thread that assembles on the pump housing 11, is fixed on motor casing 2 on the pump housing 11 with hexagon socket cap head screw 14.
More than show and described basic principle of the present utility model, major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; the utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. have the single-phase pipeline shielding electric pump of porcelain shaft and bearing, comprising:
The pump housing;
Be installed in motor casing on the pump housing by fastening piece; Having of described motor casing one puts the hole that the gas screw passes;
One housing has a vent hole in the middle of the upside of described housing, and lower edge is provided with a flange edge, and described motor casing is fitted in this flange edge on the described pump housing, so that described housing is installed in the described motor casing; Be provided with sealing gasket between the upside of described housing and the motor casing;
Stator, described stator are installed on the inwall of motor casing and are arranged in described motor casing and closed cavity that described housing outer wall defines;
Upper and lower bearing support, described upper bearing bracket are fixed on the inwall of described housing upside, and described lower bearing flap is on the downside of described housing; The outward edge of described step is provided with a flange edge, and described motor casing is fitted in the flange edge on the step on the described pump housing by the flange edge on the housing;
Be arranged on flange edge on the described housing and the lower seal pad between the flange edge on the step;
Rotor and impeller; It is characterized in that,
Also comprise ceramic rotating shaft and upper and lower ceramic bearing, described upper and lower ceramic bearing is installed in respectively on the upper and lower bearing support, described upper and lower ceramic bearing is passed in described ceramic rotating shaft, and the end that described impeller is installed in described ceramic rotating shaft rotates with ceramic rotating shaft; Described rotor be fixed in the ceramic rotating shaft and the closed cavity that between upper and lower ceramic bearing and by described housing inwall and step, defines in.
2. the single-phase pipeline shielding electric pump with porcelain shaft and bearing according to claim 1 is characterized in that, described rotor and described ceramic rotating shaft between the ceramic bearing down are provided with thrust-bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200552721U CN201155477Y (en) | 2008-01-31 | 2008-01-31 | Single-phase pipeline shielding electric pump possessing ceramic axis and bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200552721U CN201155477Y (en) | 2008-01-31 | 2008-01-31 | Single-phase pipeline shielding electric pump possessing ceramic axis and bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201155477Y true CN201155477Y (en) | 2008-11-26 |
Family
ID=40103261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200552721U Expired - Lifetime CN201155477Y (en) | 2008-01-31 | 2008-01-31 | Single-phase pipeline shielding electric pump possessing ceramic axis and bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201155477Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089690A (en) * | 2013-01-31 | 2013-05-08 | 苏州晶瓷超硬材料有限公司 | Ceramic shaft for shield pump and production technology thereof |
| CN103256257A (en) * | 2013-04-22 | 2013-08-21 | 东莞市深鹏电子有限公司 | Mini-sized high-speed cooling-water machine water pump |
| CN101988511B (en) * | 2009-07-30 | 2013-09-11 | 上海新沪电机厂有限公司 | Pipeline shielding structural electric pump working in manner of internal circulation |
-
2008
- 2008-01-31 CN CNU2008200552721U patent/CN201155477Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101988511B (en) * | 2009-07-30 | 2013-09-11 | 上海新沪电机厂有限公司 | Pipeline shielding structural electric pump working in manner of internal circulation |
| CN103089690A (en) * | 2013-01-31 | 2013-05-08 | 苏州晶瓷超硬材料有限公司 | Ceramic shaft for shield pump and production technology thereof |
| CN103256257A (en) * | 2013-04-22 | 2013-08-21 | 东莞市深鹏电子有限公司 | Mini-sized high-speed cooling-water machine water pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HEFEI XINHU CANNED MOTOR PUMP CO., LTD. Free format text: FORMER OWNER: XINHU DYNAMO PLANT CO., LTD., SHANGHAI Effective date: 20130326 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201318 NANHUI, SHANGHAI TO: 230088 HEFEI, ANHUI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130326 Address after: 230088 Anhui city of Hefei province high tech Zone Technology Park Bai Yan Yang Road No. 1 Patentee after: Hefei Xinhu Canned Motor Pump Co., Ltd. Address before: 201318 No. 333 East Cambridge Road, Nanhui District, Shanghai Patentee before: Shanghai Xinhu Electric Machine Factory Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20081126 |
|
| CX01 | Expiry of patent term |