CN203453108U - Efficient sealed submersible pump - Google Patents
Efficient sealed submersible pump Download PDFInfo
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- CN203453108U CN203453108U CN201320401481.8U CN201320401481U CN203453108U CN 203453108 U CN203453108 U CN 203453108U CN 201320401481 U CN201320401481 U CN 201320401481U CN 203453108 U CN203453108 U CN 203453108U
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- sealing
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Abstract
The utility model discloses an efficient sealed submersible pump, which comprises a main sealing base, an assistant sealing base, a double-face machine sealing assembly and a single-face machine sealing assembly which are all disposed on a connecting shaft in a sleeved way, wherein the main sealing base comprises a first installation part, a second installation part and a storage cavity part between the first and second installation parts, the assistant sealing base and the second installation part are connected in a sealed way, a double-face sealing assembly is disposed at the storage cavity part and both ends of the double-face machine sealing assembly are respectively connected firmly to the first installation part and the assistant sealing base, and the other end of the assistant sealing base relative to a single-face sealing base is connected to the single-face machine sealing assembly. A first step sealing cylinder and a pump enclosure are disposed in the main sealing base and the assistant sealing base, the double-face machine sealing assembly is disposed inside the storage cavity between the first installation part and the assistant sealing base in order for further sealing of the device, the double-face machine sealing assembly is disposed on the connecting shaft in a sleeved way for coordination with the main sealing base and the assistant sealing base, the sealing is implemented in both the radial and the axial directions at the same time, the multiple sealing is ensured and sealing performance is excellent.
Description
Technical field
The utility model relates to a kind of pumping installations or system, in particular, relates to a kind of efficient sealing submersible pump.
Background technique
Submersible pump is the visual plant of deep-well water lift.The whole unit work that pulls the plug during use.Underground water is extracted to earth's surface, be to speedily carry out rescue work in domestic water, mine, cooling, the field irrigation of industry, seawater promote, steamer is adjusted and carried.Before turn on pump, in suction pipe and pump, must be full of liquid.After turn on pump, impeller High Rotation Speed, liquid wherein, along with blade rotates together, under the effect of centrifugal force, flies away from impeller and outwards penetrates, and the liquid of ejaculation speed in pump case explosion chamber is slack-off gradually, and pressure increases gradually, and then from pump discharge, discharge tube flows out.Now, in blade center, because being thrown toward, liquid around forms the vacuum low-pressure district that not only there is no air but also there is no liquid, liquid in liquid pool is under the atmospheric effect of pond face, in suction pipe inflow pump, liquid is exactly so continuously from liquid pool, be pumped up and continuously from discharge tube, flow out.
Submerged Motor Pumps unit is by: water pump, submersible motor (comprising cable), conduit pipe and control switch four is most of forms.Submersible pump is single-suction multilevel vertical centrifugal pump; Submersible motor is airtight water-filling wet type, vertical three-phase squirrel-cage induction motor, and motor and water pump are direct by pawl formula or singly-bound cartridge type coupling; The three core cable of different size is equipped with; Starting equipment is that the steel pipe that the air-break switch of different capacitance grade and self-coupling decompression air-operated apparatus, conduit pipe are different-diameter is made, and adopts flange coupling, and high-lift electric pump adopts gate valve to control.
Existing submersible pump comprises motor and the pump housing that one end is fixedly connected with, motor comprises machine barrel and is arranged on stator and the rotor in machine barrel, the pump housing comprises pump housing casing and is arranged on the guide vane assembly in pump housing casing, machine barrel is fixedly connected with pump housing casing, motor and the pump housing are connected by coupling shaft, the part of coupling shaft in machine barrel installed and rotor interlock through bearing, thereby makes rotor drive the guide vane assembly rotation in the pump housing, and motor is provided with the elastic cable paper for connecting with the mains.For the sealing of installing, after machine barrel is fixedly connected with pump housing casing, the cavity volume in the cavity volume in machine barrel and pump housing casing is mutually not connect, and only depends on coupling shaft to connect, in order to guarantee that machine barrel internal stator and rotor can work, and arrange mechanical seal conventionally between coupling shaft and the pump housing.Existing mechanical seal is only the mechanical seal of one side, mechanical single seal is simple in structure, manufacture, install easily, the condition of general and permission micro-leakage good in the lubricity of medium own, it is conventional seal style, but when using when leakage rate is had to the submersible pump of strict demand, the sealability of one side sealing is too poor, thereby easily allow the liquid of submersible pump working environment enter motor, burn out motor.
Summary of the invention
The deficiency existing for prior art, the efficient sealing submersible pump that provides a kind of sealability superior is provided the utility model object.
The utility model adopts following technological scheme:
A kind of efficient sealing submersible pump, comprise motor and the pump housing, described motor comprises machine barrel and is arranged on stator and the rotor in machine barrel, the pump housing comprises pump housing casing and is arranged on the guide vane assembly in pump housing casing, machine barrel is fixedly connected with pump housing casing, motor and the pump housing are connected by coupling shaft, motor is provided with the elastic cable paper for connecting with the mains, machine barrel and pump housing casing fixed connection place are provided with sealing mechanism, described sealing mechanism includes the primary seal seat being all sheathed on coupling shaft, secondary sealing seat, Double-plate machine sealing assembly and single-side machine sealing assembly, described primary seal seat includes the first assembly department, the second assembly department and cavity volume portion between the two, described secondary sealing seat and the second assembly department are tightly connected, cavity volume portion is located at by described dual face seals assembly and Double-plate machine sealing assembly two ends are fixedly connected with secondary sealing seat with the first assembly department respectively, the other end of the relative one side sealing seat of described secondary sealing seat is connected with single-side machine sealing assembly.
By adopting technique scheme, the first step that arranges of primary seal seat and secondary sealing seat seals machine barrel and pump housing casing, cavity volume portion between the first assembly department and secondary sealing seat arranges Double-plate machine sealing assembly device is further sealed, Double-plate machine sealing assembly is set on coupling shaft with between primary seal seat and secondary sealing seat and coordinates, radial and axial direction seals simultaneously, good seal performance, the other end at the relative Double-plate machine sealing assembly of secondary sealing seat arranges single-side machine sealing assembly, device is further sealed, multi-sealed assurance, sealability is superior.
Further improvement as technique scheme: described Double-plate machine sealing assembly comprises that the Double-plate machine being all sheathed on coupling shaft is sealed up seat and Double-plate machine seals lower and Double-plate machine envelope spring, described Double-plate machine envelope both ends of the spring is sealed up seat and the lower butt of Double-plate machine envelope with Double-plate machine respectively, lower of described Double-plate machine envelope and the first assembly department clamping, described Double-plate machine is sealed up one end clamping of seat primary seal seat relative to secondary sealing seat.
By adopting technique scheme, the sound construction of device, sealability is superior.
The utility model is further set to: described single-side machine sealing assembly comprises single-side machine envelope seat and the single-side machine envelope spring being all sheathed on coupling shaft, described single-side machine envelope seat comprises joint, holding part and contact part, described single-side machine envelope spring housing is located at holding part, described single-side machine envelope both ends of the spring respectively with joint and contact part butt, the relative Double-plate machine of described secondary sealing seat is sealed up the other end and the joint clamping of seat.
By adopting technique scheme, single-side machine sealing assembly is connected by secondary sealing seat with Double-plate machine sealing assembly, the sealability that Double-plate machine envelope and single-side machine seal dual cooperation stiffening device.
The utility model is further set to: described Double-plate machine is sealed up seat and lower of Double-plate machine envelope and single-side machine envelope seat and all adopted elastic material to form.
By adopting technique scheme, the Double-plate machine consisting of elastic material is sealed up seat and lower of Double-plate machine envelope and single-side machine and is sealed superiorly to the covering property of coupling shaft, and sealability better and long service life.
The utility model is further set to: described machine barrel outer surface is provided with some stiffening ribs.
By adopting technique scheme, strengthened machine barrel fastness, the longer service life of device.
Accompanying drawing explanation
Fig. 1 is the utility model efficient sealing submersible pump example structure schematic diagram;
Fig. 2 is the utility model efficient sealing submersible pump A portion enlarged view.
Reference character:
1, motor; 11, machine barrel; 2, the pump housing; 21, pump housing casing; 22, guide vane assembly; 3, coupling shaft; 31, bearing; 4, primary seal seat; 41, the first assembly department; 42, cavity volume portion; 43, the second assembly department; 5, secondary sealing seat; 6, Double-plate machine sealing assembly; 61, Double-plate machine is sealed up seat; 62, Double-plate machine envelope is lower; 63, Double-plate machine envelope spring; 7, single-side machine sealing assembly; 71, single-side machine envelope seat; 72, single-side machine envelope spring; 8 stiffening ribs.
Embodiment
Referring to figs. 1 through Fig. 2, the utility model efficient sealing submersible pump embodiment is described further.
As depicted in figs. 1 and 2, the utility model efficient sealing submersible pump, comprise motor 1 and the pump housing 2, described motor 1 comprises machine barrel 11 and is arranged on stator and the rotor in machine barrel 11, the pump housing 2 comprises pump housing casing and is arranged on the guide vane assembly 22 in pump housing casing, machine barrel 11 is fixedly connected with pump housing casing, motor 1 and the pump housing 2 are connected through bearing 31 by coupling shaft 3, motor 1 is provided with the elastic cable paper for connecting with the mains, machine barrel 11 and pump housing casing fixed connection place are provided with sealing mechanism, described sealing mechanism includes the primary seal seat 4 being all sheathed on coupling shaft 3, secondary sealing seat 5, Double-plate machine sealing assembly 6 and single-side machine sealing assembly 7, described primary seal seat 4 includes the first assembly department 41, the second assembly department 43 and cavity volume portion 42 between the two, described secondary sealing seat 5 and the second assembly department 43 are tightly connected, cavity volume portion 42 is located at by described dual face seals assembly and Double-plate machine sealing assembly 6 two ends are fixedly connected with secondary sealing seat 5 with the first assembly department 41 respectively, the other end of described secondary sealing seat 5 relative one side sealing seats is connected with single-side machine sealing assembly 7.
By adopting technique scheme, primary seal seat 4 seals machine barrel 11 and pump housing casing with the first step that arranges of secondary sealing seat 5, cavity volume portion 42 between the first assembly department 41 and secondary sealing seat 5 arranges 6 pairs of devices of Double-plate machine sealing assembly and further seals, Double-plate machine sealing assembly 6 is set on coupling shaft 3 with between primary seal seat 4 and secondary sealing seat 5 and coordinates, radial and axial direction seals simultaneously, good seal performance, the other end at secondary sealing seat 5 relative Double-plate machine sealing assemblies 6 arranges single-side machine sealing assembly 7, device is further sealed, multi-sealed assurance, sealability is superior.
As depicted in figs. 1 and 2, described Double-plate machine sealing assembly 6 comprises that the Double-plate machine being all sheathed on coupling shaft 3 is sealed up seat 61 and Double-plate machine seals lower 62 and Double-plate machine envelope spring 63, seat 61 and lower 62 butts of Double-plate machine envelope are sealed up with Double-plate machine respectively in described Double-plate machine envelope spring 63 two ends, lower the 62 and first assembly department 41 clampings of described Double-plate machine envelope, described Double-plate machine seal up 61 with one end clamping of the relative primary seal seat 4 of secondary sealing seat 5.Described single-side machine sealing assembly 7 comprises single-side machine envelope seat 71 and the single-side machine envelope spring 72 being all sheathed on coupling shaft 3, described single-side machine envelope seat 71 comprises joint, holding part and contact part, described single-side machine envelope spring 72 is sheathed on holding part, described single-side machine envelope spring 72 two ends respectively with joint and contact part butt, the relative Double-plate machine of described secondary sealing seat 5 is sealed up the other end and a joint clamping of 61.By adopting technique scheme, single-side machine sealing assembly 7 is connected by secondary sealing seat 5 with Double-plate machine sealing assembly 6, the sealability that Double-plate machine envelope and single-side machine seal dual cooperation stiffening device.
Described Double-plate machine is sealed up seat 61 and lower 62 of Double-plate machine envelope and single-side machine envelope seat 71 and is all adopted elastic material formation, and elastic material can be silica gel or fluorine rubber, herein preferred fluorine rubber.By adopting technique scheme, it is superior that the Double-plate machine consisting of elastic material is sealed up the covering property of seat 61 and lower 62 of Double-plate machine envelope and single-side machine envelope 71 pairs of coupling shafts 3, and sealability better and long service life.
As shown in Figure 1, described machine barrel 11 outer surfaces are provided with some stiffening ribs 8.By adopting technique scheme, machine barrel 11 fastness have been strengthened, the longer service life of device.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technological schemes belonging under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. an efficient sealing submersible pump, comprise motor and the pump housing, described motor comprises machine barrel and is arranged on stator and the rotor in machine barrel, the pump housing comprises pump housing casing and is arranged on the guide vane assembly in pump housing casing, machine barrel is fixedly connected with pump housing casing, motor and the pump housing are connected by coupling shaft, motor is provided with the elastic cable paper for connecting with the mains, machine barrel and pump housing casing fixed connection place are provided with sealing mechanism, it is characterized in that: described sealing mechanism includes the primary seal seat being all sheathed on coupling shaft, secondary sealing seat, Double-plate machine sealing assembly and single-side machine sealing assembly, described primary seal seat includes the first assembly department, the second assembly department and cavity volume portion between the two, described secondary sealing seat and the second assembly department are tightly connected, cavity volume portion is located at by described dual face seals assembly and Double-plate machine sealing assembly two ends are fixedly connected with secondary sealing seat with the first assembly department respectively, the other end of the relative one side sealing seat of described secondary sealing seat is connected with single-side machine sealing assembly.
2. efficient sealing submersible pump according to claim 1, it is characterized in that: described Double-plate machine sealing assembly comprises that the Double-plate machine being all sheathed on coupling shaft is sealed up seat and Double-plate machine seals lower and Double-plate machine envelope spring, described Double-plate machine envelope both ends of the spring is sealed up seat and the lower butt of Double-plate machine envelope with Double-plate machine respectively, lower of described Double-plate machine envelope and the first assembly department clamping, described Double-plate machine is sealed up one end clamping of seat primary seal seat relative to secondary sealing seat.
3. efficient sealing submersible pump according to claim 2, it is characterized in that: described single-side machine sealing assembly comprises single-side machine envelope seat and the single-side machine envelope spring being all sheathed on coupling shaft, described single-side machine envelope seat comprises joint, holding part and contact part, described single-side machine envelope spring housing is located at holding part, described single-side machine envelope both ends of the spring respectively with joint and contact part butt, the relative Double-plate machine of described secondary sealing seat is sealed up the other end and the joint clamping of seat.
4. efficient sealing submersible pump according to claim 3, is characterized in that: described Double-plate machine is sealed up seat and lower of Double-plate machine envelope and single-side machine envelope seat and all adopted elastic material to form.
5. efficient sealing submersible pump according to claim 4, is characterized in that: described machine barrel outer surface is provided with some stiffening ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320401481.8U CN203453108U (en) | 2013-07-02 | 2013-07-02 | Efficient sealed submersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320401481.8U CN203453108U (en) | 2013-07-02 | 2013-07-02 | Efficient sealed submersible pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203453108U true CN203453108U (en) | 2014-02-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320401481.8U Expired - Fee Related CN203453108U (en) | 2013-07-02 | 2013-07-02 | Efficient sealed submersible pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203453108U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108291436A (en) * | 2015-12-04 | 2018-07-17 | 通用电气公司 | Seal assembly for submergible pumping system and its associated method |
-
2013
- 2013-07-02 CN CN201320401481.8U patent/CN203453108U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108291436A (en) * | 2015-12-04 | 2018-07-17 | 通用电气公司 | Seal assembly for submergible pumping system and its associated method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20160702 |
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| CF01 | Termination of patent right due to non-payment of annual fee |