CN105952656A - Single-phase shield pump for refrigeration - Google Patents
Single-phase shield pump for refrigeration Download PDFInfo
- Publication number
- CN105952656A CN105952656A CN201610542944.0A CN201610542944A CN105952656A CN 105952656 A CN105952656 A CN 105952656A CN 201610542944 A CN201610542944 A CN 201610542944A CN 105952656 A CN105952656 A CN 105952656A
- Authority
- CN
- China
- Prior art keywords
- phase
- refrigeration
- pump
- rotor
- rotating shaft
- 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.)
- Withdrawn
Links
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
- 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
-
- 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
-
- 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
- F04D29/18—Rotors
- F04D29/20—Mounting rotors on shafts
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/406—Casings; Connections of working fluid especially adapted for liquid pumps
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention belongs to the technical field of pump bodies and particularly relates to a single-phase shield pump for refrigeration. The single-phase shield pump for refrigeration comprises a pump body and a shield motor. The shield motor comprises a motor case, a stator and a rotor. A rotary shaft is arranged in the rotor. An impeller is fixedly connected to the front side end of the rotary shaft. The stator is arranged in the motor case and surrounds the rotor. A shield sleeve is arranged on the outer side of the rotor and the stator. The single-phase shield pump for refrigeration has the beneficial effects that through the design of the single-phase shield motor, the whole shield pump can be applied to a single-phase power system; through the design of a bearing pack assembly, a circulation loop is formed; and the single-phase shield pump for refrigeration is compact in structure, convenient to process and capable of being replaced as required.
Description
Technical field
The invention belongs to pump housing technical field, be specifically related to a kind of single-phase canned motor pump for refrigeration.
Background technology
Cooling pump is mainly used to carry the cold-producing mediums such as liquefied ammonia, freon, carbon dioxide, it is desirable to can bear high pressure, has height air-tightness, prevents vaporizing liquid.General employing shielded electric pump structure.
Existing cooling shielded electric pump is three phase mains, suitable for application in ordinarily resident's electricity system, must be introduced into three phase mains time as to be used in data center module and civil air conditioner, all causes trouble to construction and use, and relatively costly.
Summary of the invention
It is an object of the invention to provide a kind of single-phase canned motor pump for refrigeration.
The invention provides following technical scheme:
A kind of single-phase canned motor pump for refrigeration, including the pump housing and shield electric machine；
Described shield electric machine includes casing, stator and rotor, in described rotor, rotating shaft is set, the affixed impeller in one end on front side of described rotating shaft, in described stator is arranged on described casing and around described rotor, outside described rotor and described stator, housing is set, it is provided with space between described rotor and described stator, in described casing, bearing block assembly is set, described bearing block assembly is detachable, including bearing block and baffle plate, in described bearing block, bearing is set, described stator two ends are connected with described bearing respectively, groove and boss are set on described baffle plate, aperture and groove are set on described bearing block, endoporus is offered in described rotating shaft, offer hole on described axle before and after cylindrical respectively and connect with described rotating shaft endoporus, block with bolt on front side of described rotating shaft endoporus, rear side connects with bearing bore, on rear side of described rotating shaft, on cylindrical, accessory impeller is set；
Pump chamber is set in the described pump housing, described pump chamber arranges inlet and outlet.
Preferably, described casing internal two ends are respectively provided with reinforcing sleeve, and bearing plate is placed at middle part.
Preferably, described reinforcing sleeve and bearing plate are made up of high pressure resistant material.
Preferably, the inlet and outlet on described pump chamber is threaded joint.
Preferably, described shield electric machine is single-phase shield electric machine.
The invention has the beneficial effects as follows: make whole canned motor pump may be used for single-phase source system by the design of single-phase shield electric machine；Form closed circuit, compact structure by design bearing group assembly, it is simple to processing, and can change as required；The structure of bearing group assembly, axis hole and accessory impeller ensure that medium, to the cooling of motor and lubrication, and does not connects with low-pressure area, is maintained at high pressure conditions and avoids medium to liquefy；By being threaded joint in pump housing inlet and outlet, reduce space, it is simple to the pipeline of refrigeration system connects.
Accompanying drawing explanation
Accompanying drawing is for providing a further understanding of the present invention, and constitutes a part for description, is used for together with embodiments of the present invention explaining the present invention, is not intended that limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of canned motor pump.
Detailed description of the invention
Embodiment
A kind of single-phase canned motor pump for refrigeration, including the pump housing 1 and shield electric machine 2；
nullDescribed shield electric machine 2 includes casing 21、Stator 22 and rotor 23，In described rotor 23, rotating shaft 24 is set，The affixed impeller in one end 25 on front side of described rotating shaft 24，In described stator 22 is arranged on described casing 21 and around described rotor 23，Outside described rotor 23 and described stator 22, housing 26 is set，It is provided with space between described rotor 23 and described stator 22，In described casing 21, bearing block assembly 27 is set，Described bearing block assembly 27 is detachable，Including bearing block 271 and baffle plate 272，In described bearing block 271, bearing 273 is set，Described stator 22 two ends are connected with described bearing 273 respectively，Groove and boss 274 are set on described baffle plate 272，On described bearing block 271, aperture and groove are set，Endoporus is offered in described rotating shaft 24，Offer hole on described axle 24 before and after cylindrical respectively and connect with described rotating shaft 24 endoporus，Block with bolt on front side of described rotating shaft 24 endoporus，Rear side connects with bearing bore，On rear side of described rotating shaft 24, on cylindrical, accessory impeller 30 is set；
Pump chamber is set in the described pump housing 1, described pump chamber arranges import 11 and outlet 12.
Preferably, the internal two ends of described casing 21 are respectively provided with reinforcing sleeve 28, and bearing plate is placed at middle part.
Preferably, described reinforcing sleeve 28 and bearing plate are made up of high pressure resistant material.
Preferably, the import 11 on described pump chamber and outlet 12 are threaded joint.
Preferably, described shield electric machine is single-phase shield electric machine.
The present invention makes whole canned motor pump may be used for single-phase source system by the design of single-phase shield electric machine；Form closed circuit, compact structure by design bearing group assembly, it is simple to processing, and can change as required；The structure of bearing group assembly, axis hole and accessory impeller ensure that medium, to the cooling of motor and lubrication, and does not connects with low-pressure area, is maintained at high pressure conditions and avoids medium to liquefy；By being threaded joint in pump housing inlet and outlet, reduce space, it is simple to the pipeline of refrigeration system connects.
The foregoing is only the preferred embodiments of the present invention, it is not limited to the present invention, although the present invention being described in detail with reference to previous embodiment, for a person skilled in the art, technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent.All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (5)
1. the single-phase canned motor pump for refrigeration, it is characterised in that include the pump housing and shield electric machine；
Described shield electric machine includes casing, stator and rotor, in described rotor, rotating shaft is set, the affixed impeller in one end on front side of described rotating shaft, in described stator is arranged on described casing and around described rotor, outside described rotor and described stator, housing is set, it is provided with space between described rotor and described stator, in described casing, bearing block assembly is set, described bearing block assembly includes bearing block and baffle plate, in described bearing block, bearing is set, described stator two ends are connected with described bearing respectively, groove and boss are set on described baffle plate, aperture and groove are set on described bearing block, endoporus is offered in described rotating shaft, offer hole on described axle before and after cylindrical respectively and connect with described rotating shaft endoporus, block with bolt on front side of described rotating shaft endoporus, rear side connects with bearing bore, on rear side of described rotating shaft, on cylindrical, accessory impeller is set；
Pump chamber is set in the described pump housing, described pump chamber arranges inlet and outlet.
A kind of single-phase canned motor pump for refrigeration the most according to claim 1, it is characterised in that described casing internal two ends are respectively provided with reinforcing sleeve, and bearing plate is placed at middle part.
A kind of single-phase canned motor pump for refrigeration the most according to claim 2, it is characterised in that described reinforcing sleeve and bearing plate are made up of high pressure resistant material.
A kind of single-phase canned motor pump for refrigeration the most according to claim 1, it is characterised in that be threaded joint in the inlet and outlet on described pump chamber.
A kind of single-phase canned motor pump for refrigeration the most according to claim 1, it is characterised in that described shield electric machine is single-phase shield electric machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610542944.0A CN105952656A (en) | 2016-07-12 | 2016-07-12 | Single-phase shield pump for refrigeration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610542944.0A CN105952656A (en) | 2016-07-12 | 2016-07-12 | Single-phase shield pump for refrigeration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105952656A true CN105952656A (en) | 2016-09-21 |
Family
ID=56899878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610542944.0A Withdrawn CN105952656A (en) | 2016-07-12 | 2016-07-12 | Single-phase shield pump for refrigeration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105952656A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB768871A (en) * | 1955-02-21 | 1957-02-20 | Chempump Corp | Improvements in motor driven pumps |
| CN202152756U (en) * | 2011-07-27 | 2012-02-29 | 上海东方泵业(集团)有限公司 | Reverse circulation type shielding chemical pump with internal circulation structure |
| CN202209285U (en) * | 2011-09-05 | 2012-05-02 | 上海潜水泵有限公司 | Internal-circulation shaft-cooling type pipeline centrifugal pump |
| CN202468343U (en) * | 2011-12-22 | 2012-10-03 | 合肥新沪屏蔽泵股份有限公司 | Basic shield pump with internal pressurizing mechanism |
-
2016
- 2016-07-12 CN CN201610542944.0A patent/CN105952656A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB768871A (en) * | 1955-02-21 | 1957-02-20 | Chempump Corp | Improvements in motor driven pumps |
| CN202152756U (en) * | 2011-07-27 | 2012-02-29 | 上海东方泵业(集团)有限公司 | Reverse circulation type shielding chemical pump with internal circulation structure |
| CN202209285U (en) * | 2011-09-05 | 2012-05-02 | 上海潜水泵有限公司 | Internal-circulation shaft-cooling type pipeline centrifugal pump |
| CN202468343U (en) * | 2011-12-22 | 2012-10-03 | 合肥新沪屏蔽泵股份有限公司 | Basic shield pump with internal pressurizing mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160921 |