CN209053800U - A kind of pressure relief of submersible pump - Google Patents
A kind of pressure relief of submersible pump Download PDFInfo
- Publication number
- CN209053800U CN209053800U CN201821868083.6U CN201821868083U CN209053800U CN 209053800 U CN209053800 U CN 209053800U CN 201821868083 U CN201821868083 U CN 201821868083U CN 209053800 U CN209053800 U CN 209053800U
- Authority
- CN
- China
- Prior art keywords
- pressure
- pressure release
- baffle
- release cylinder
- submersible pump
- 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.)
- Active
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a kind of pressure relief of submersible pump, belongs to submersible pump technical field.It solves the problems, such as that existing submersible pump service life is short.The pressure relief of this submersible pump, submersible pump includes the casing for installing stator and rotor, motor shaft is extended in casing, mechanical seal is equipped between motor shaft and casing, pressure relief includes pressure release cylinder, the top of pressure release cylinder has partition with opening, bottom, the top of pressure release cylinder is connected with casing and forms pressure-releasing chamber between pressure release cylinder and casing, motor shaft can pass through partition, relief hole is provided on the barrel of pressure release cylinder, relief hole makes pressure-releasing chamber be connected with the external world, if being fixed with the baffle of dry plate protrusion setting in pressure release cylinder.This pressure relief has the advantages that improve submersible pump service life.
Description
Technical field
The utility model belongs to submersible pump technical field, is related to a kind of pressure relief of submersible pump.
Background technique
Submersible pump is one kind of immersible pump, is a kind of pump housing impeller and the motor of impeller is driven all to pull the plug work
A kind of water pump is the important equipment of water lift, has deep-well to use with work surface with two kinds.
Existing submersible pump, for example, Chinese patent literature data disclose a kind of submersible pump [application number:
201620291714.7；Authorization Notice No.: CN205533394U] comprising motor shaft is located in machine barrel in machine barrel and the pump housing,
It is fixed with step in machine barrel lower end port, the pump housing is connected on step, and the lower end of motor shaft passes through step, and
Mechanical seal is equipped between motor shaft and step, be connected organic envelope seat between step and the pump housing, and machine seals seat and lower axle
It holds and forms pressure-releasing chamber between seat, form pump chamber between machine envelope seat and the pump housing, the lower part of motor shaft passes through machine envelope seat and protrudes into pump chamber
It is interior, it is fixed with impeller in one end end that motor shaft protrudes into pump chamber, is equipped with outside framework oil seal between motor shaft and machine envelope seat.
The submersible pump of this kind of structure forms pressure-releasing chamber between machine envelope seat and step, i.e. pressure-releasing chamber is to seal seat by machine
What the gap between step was formed, pressure-releasing chamber is communicated with the outside by relief hole, the pressure-releasing chamber of this kind of structure, along electricity
The axial direction of arbor, the height of pressure-releasing chamber can only be made smaller, influence whether submersible pump just because the height of pressure-releasing chamber is larger
Often operation, when the higher hydraulic pressure in outside framework oil seal failure or pump chamber enters pressure-releasing chamber, since pressure-releasing chamber is small in size, water
It is few, hydraulic pressure in pressure-releasing chamber can raising sharply, relief hole cannot timely carry out pressure release, should during, the water in pressure-releasing chamber
Press it is larger, cause mechanical seal there are problems that damage, reduce the service life of submersible pump.
Summary of the invention
The purpose of this utility model is to propose a kind of letting out for submersible pump for the above-mentioned problems in the prior art
The technical issues of laminated structure, solution is the service life for how improving submersible pump.
The purpose of this utility model can be realized by the following technical scheme: a kind of pressure relief of submersible pump, diving
Electric pump includes the casing for installing stator and rotor, motor shaft is extended in the casing, between the motor shaft and casing
Equipped with mechanical seal, which is characterized in that pressure relief includes pressure release cylinder, and there is opening, bottom to have at the top of the pressure release cylinder
The top of partition, the pressure release cylinder is connected with casing and forms pressure-releasing chamber, the motor shaft energy between the pressure release cylinder and casing
Across partition, relief hole is provided on the barrel of the pressure release cylinder, the relief hole makes pressure-releasing chamber be connected with the external world, the pressure release
If being fixed with the baffle of dry plate protrusion setting in cylinder.
This pressure relief is independently arranged pressure release cylinder, forms pressure-releasing chamber by pressure release cylinder, i.e. pressure-releasing chamber is relatively independent, can make
It is big accordingly, make what the hydraulic pressure in pressure-releasing chamber rose to slow, relief hole made to have the enough reaction time by pressure-releasing chamber
Hydraulic pressure let out, pressure release is timely, reduces impact of the hydraulic pressure to mechanical seal, improves the service life of submersible pump.Pressure release cylinder
In be equipped with baffle, baffle is first is that play the role of reinforcing pressure release cylinder intensity, second is that play water in barrier pressure-releasing chamber, to letting out
Water in pressure chamber plays the role of certain partial pressure, reduces the destructiveness of water in pressure-releasing chamber, makes the water of pressure-releasing chamber to mechanical seal
Impact reduces, and improves the service life of submersible pump.
In a kind of pressure relief of above-mentioned submersible pump, the outside of the baffle and the barrel of pressure release cylinder are fixedly connected with,
The bottom of the baffle is fixedly connected with partition, several described baffles equidistantly arrange in a ring.This kind of structure, can be better
Improve the intensity of pressure release cylinder；And this kind of structure, the destructiveness of water in pressure-releasing chamber can be preferably reduced, submersible pump is improved
Service life.
In a kind of pressure relief of above-mentioned submersible pump, several arc-shaped gears are fixed in the pressure release cylinder
Ring, several described baffle rings are arranged in a ring, and bottom and the partition of the baffle ring are fixedly connected with, the barrel of the baffle ring and pressure release cylinder
Between there is gap, the baffle is fixedly connected with baffle ring, and the baffle is across baffle ring, along the axial direction of motor shaft, the baffle ring
Height be lower than pressure release cylinder barrel height.The intensity of baffle can be improved in the setting of baffle ring, plays the role of baffle better,
Improve the service life of submersible pump；Along the axial direction of motor shaft, the height of baffle ring is lower than the height of pressure release cylinder barrel, enables water to
It enters in the gap between the barrel and baffle ring of pressure release cylinder, plays the role of preferably sharing hydraulic pressure.
In a kind of pressure relief of above-mentioned submersible pump, the end of two adjacent baffle rings is fixed with the gear
Piece forms gas pressure relief slot between two baffles, and the gas pressure relief slot is connected with relief hole.Gas pressure relief slot plays the work of guiding and drainage
With will not be interfered when making water flow in pressure-releasing chamber to relief hole, improve the flow velocity of water, pressure-releasing chamber is enable timely to let out
Pressure reduces impact of the hydraulic pressure to mechanical seal, improves the service life of submersible pump.
In a kind of pressure relief of above-mentioned submersible pump, the baffle is set far from the inside inclination of pressure release cylinder barrel
It sets, and along the radial direction of pressure release cylinder, the length of the baffle bottom is greater than the length at the top of baffle.Meet point of hydraulic pressure in pressure-releasing chamber
Cloth, design are reasonable.
In a kind of pressure relief of above-mentioned submersible pump, the outside of the pressure release cylinder is equipped with positioning tube, the partition
Peripherally and outwardly extension be fixedly connected with positioning tube, if being fixed with dry plate reinforced sheet between the pressure release cylinder and positioning tube, wherein if
It does to having pressure release passage between two adjacent reinforced sheets, the inner end of the pressure release passage is connected with relief hole, described to let out
The outer end of pressure passageway is connected through the barrel of positioning tube with the external world.Positioning tube plays the role of positioning pressure release cylinder, improves pressure release
The firmness and stability of cylinder installation；Reinforced sheet plays the role of reinforcement, improve positioning tube and pressure release cylinder firmness and
Stability；Pressure release passage plays the role of extending relief hole, and pressure-releasing chamber is made to be connected with the external world.
In a kind of pressure relief of above-mentioned submersible pump, wherein several in all reinforced sheets to adjacent two plus
It is fixed with baffle between strong piece, forms the pressure release passage between the baffle, partition and corresponding two adjacent reinforced sheets.
The pressure release passage of this kind of structure makes pressure-releasing chamber not to be interfered, and the high pressure water in pressure-releasing chamber is enable timely to pass through pressure release
Slot, relief hole and pressure release passage discharge, improve pressure release efficiency.
In a kind of pressure relief of above-mentioned submersible pump, positioning tube is separated into epicoele and cavity of resorption by the partition,
The pressure release cylinder is located in epicoele, and the end of the motor shaft is fixed with impeller, and the impeller is located in cavity of resorption.Rationally using empty
Between, design is reasonable.
In a kind of pressure relief of above-mentioned submersible pump, have on the partition between the pressure release cylinder and positioning tube
There are several perforative limbers, the limbers is between two adjacent reinforced sheets.Water flowing is played the role of in limbers,
The high pressure water at impeller is set to enter inside submersible pump the hydraulic pressure as far as possible one made in submersible pump elsewhere
It causes, hydraulic pressure consistency is good, and the stability of submersible pump is good, long service life.
Compared with prior art, the pressure relief of submersible pump provided by the utility model has the advantage that
1, this pressure relief is independently arranged pressure release cylinder, i.e. pressure-releasing chamber is relatively independent, can be made corresponding big, and keep off
The setting of piece, baffle ring can play the role of certain partial pressure while improving pressure release cylinder intensity to the water in pressure-releasing chamber, make pressure release
The speed that hydraulic pressure in cylinder rises is slow and the speed of pressure release is fast, improves pressure release efficiency, makes the water in pressure-releasing chamber to mechanical seal
It impacts small, improves the service life of submersible pump.
2, positioning tube is set outside the pressure release cylinder of this pressure relief, by positioning tube can be improved pressure release cylinder firmness and
Stability improves the service life of submersible pump to improve the stability of pressure-releasing chamber.
Detailed description of the invention
Fig. 1 is the overall structure cross-sectional view of the pressure relief of this submersible pump.
Fig. 2 is the pressure relief pressure release cylinder of this submersible pump and the overall structure diagram one of positioning tube.
Fig. 3 is the pressure relief pressure release cylinder of this submersible pump and the overall structure diagram two of positioning tube.
In figure, 1, casing；2, motor shaft；3, mechanical seal；4, pressure release cylinder；41, partition；42, pressure-releasing chamber；43, relief hole；
44, baffle；45, baffle ring；46, gas pressure relief slot；5, positioning tube；51, epicoele；52, cavity of resorption；6, reinforced sheet；7, pressure release passage；8, it keeps off
Plate；9, limbers；10, impeller.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1, submersible pump includes pressure relief and the casing 1 for installing stator and rotor, stretched out in casing 1
There is motor shaft 2, mechanical seal 3 is equipped between motor shaft 2 and casing 1, pressure relief includes pressure release cylinder 4.The top of pressure release cylinder 4 has
There are opening, bottom that there is partition 41, the top of pressure release cylinder 4 is connected with casing 1 and forms pressure-releasing chamber between pressure release cylinder 4 and casing 1
42, motor shaft 2 can pass through partition 41.
As shown in Fig. 2, being fixed with 24 baffles 44 of protrusion setting, pressure release cylinder 4 in pressure release cylinder 4 in the present embodiment
In be also connected there are two arc-shaped baffle ring 45, in actual production, the quantity for the baffle 44 being connected in pressure release cylinder 4 can be ten
Eight perhaps 36 baffle rings 45 quantity can be three or five.Along the axial direction of motor shaft 2, the height of baffle ring 45
Lower than the height of 4 barrel of pressure release cylinder, equidistant arrangement, baffle ring 45 are arranged baffle 44 in a ring in a ring.The bottom of baffle ring 45 with
Partition 41 is fixedly connected with, and has gap, the outside of baffle 44 and the barrel phase of pressure release cylinder 4 between baffle ring 45 and the barrel of pressure release cylinder 4
It is connected, bottom and the partition 41 of baffle 44 are fixedly connected with, and baffle 44 passes through baffle ring 45, and baffle 44 is fixedly connected with baffle ring 45, baffle 44
It is obliquely installed on the inside of separate 4 barrel of pressure release cylinder, and along the radial direction of pressure release cylinder 4, the length of 44 bottom of baffle is pushed up greater than baffle 44
The length in portion.The end of two adjacent baffle rings 45 is fixed with baffle 44, and gas pressure relief slot 46 is formed between two baffles 44,
Relief hole 43 is provided on the barrel of pressure release cylinder 4, gas pressure relief slot 46 is connected with relief hole 43.
The outside of pressure release cylinder 4 is equipped with positioning tube 5, and pressure release cylinder 4 and positioning tube 5 be an integral structure, partition 41 it is circumferential to
Outer extension is fixedly connected with positioning tube 5, and positioning tube 5 is separated into epicoele 51 and cavity of resorption 52 by partition 41, and pressure release cylinder 4 is located at epicoele 51
In, the end of motor shaft 2 is fixed with impeller 10, and impeller 10 is located in cavity of resorption 52.It is fixed with and adds between pressure release cylinder 4 and positioning tube 5
Strong piece 6, as shown in figure 3, with perforative limbers 9, limbers 9 on partition 41 positioned at pressure release cylinder 4 and positioning tube 5 between
Between two adjacent reinforced sheets 6.Wherein baffle 8, baffle 8, partition 41 are fixed between two pairs of adjacent two reinforced sheets 6
Pressure release passage 7 is formed between corresponding two adjacent reinforced sheets 6, the inner end of pressure release passage 7 is connected with relief hole 43, lets out
The outer end of pressure passageway 7 is connected through the barrel of positioning tube 5 with the external world.
When work, after the high pressure water in submersible pump enters in pressure-releasing chamber 42, water in pressure-releasing chamber 42 can be along letting out
Indent 46, relief hole 43 and pressure release passage 7 discharge, and keep the water in pressure-releasing chamber 42 identical as extraneous hydraulic pressure, reduce high pressure
Impact of the water to mechanical seal 3, mechanical seal 3 are hardly damaged, and enter water will not in casing 1.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although be used more herein casing 1, motor shaft 2, mechanical seal 3, pressure release cylinder 4, partition 41, pressure-releasing chamber 42,
Relief hole 43, baffle 44, baffle ring 45, gas pressure relief slot 46, positioning tube 5, epicoele 51, cavity of resorption 52, reinforced sheet 6, pressure release passage 7, baffle
8, the terms such as limbers 9, impeller 10, but it does not exclude the possibility of using other terms.The use of these items is only for
It is more convenient to describe and explain the essence of the utility model；It is practical with this for being construed as any additional limitation all
What novel spirit was disagreed.
Claims (9)
1. a kind of pressure relief of submersible pump, submersible pump includes the casing (1) for installing stator and rotor, the casing
(1) it is extended in motor shaft (2), is equipped with mechanical seal (3) between the motor shaft (2) and casing (1), which is characterized in that let out
Laminated structure includes pressure release cylinder (4), and the top of the pressure release cylinder (4) has partition (41) with opening, bottom, the pressure release cylinder
(4) top is connected with casing (1) and forms pressure-releasing chamber (42) between the pressure release cylinder (4) and casing (1), the motor shaft
(2) partition (41) can be passed through, is provided with relief hole (43) on the barrel of the pressure release cylinder (4), the relief hole (43) makes pressure-releasing chamber
(42) be connected with the external world, the pressure release cylinder (4) if in be fixed with dry plate protrusion setting baffle (44).
2. a kind of pressure relief of submersible pump according to claim 1, which is characterized in that the outside of the baffle (44)
It is fixedly connected with the barrel of pressure release cylinder (4), bottom and the partition (41) of the baffle (44) are fixedly connected with, several described baffles (44)
Equidistant arrangement in a ring.
3. a kind of pressure relief of submersible pump according to claim 1, which is characterized in that solid in the pressure release cylinder (4)
Be connected with several arc-shaped baffle rings (45), several described baffle rings (45) are arranged in a ring, the bottom of the baffle ring (45) with
Partition (41) is fixedly connected with, and has gap, the baffle (44) and baffle ring between the baffle ring (45) and the barrel of pressure release cylinder (4)
(45) it is fixedly connected with, and the baffle (44) passes through baffle ring (45), the height of the axial direction along motor shaft (2), the baffle ring (45) is low
In the height of pressure release cylinder (4) barrel.
4. a kind of pressure relief of submersible pump according to claim 3, which is characterized in that two adjacent baffle rings (45)
End be fixed with the baffle (44), between two baffles (44) formed gas pressure relief slot (46), the gas pressure relief slot (46)
It is connected with relief hole (43).
5. a kind of pressure relief of submersible pump according to claim 1 or 2 or 3 or 4, which is characterized in that the baffle
(44) it is obliquely installed on the inside of separate pressure release cylinder (4) barrel, and the radial direction along pressure release cylinder (4), the length of baffle (44) bottom
Degree is greater than the length at the top of baffle (44).
6. a kind of pressure relief of submersible pump according to claim 1 or 2 or 3 or 4, which is characterized in that the pressure release
The outside of cylinder (4) is equipped with positioning tube (5), and peripherally and outwardly extension and the positioning tube (5) of the partition (41) are fixedly connected with, the pressure release
Cylinder (4) and positioning tube (5) if between be fixed with dry plate reinforced sheet (6), wherein several have between two adjacent reinforced sheets (6)
Have pressure release passage (7), the inner end of the pressure release passage (7) is connected with relief hole (43), and the outer end of the pressure release passage (7) is passed through
The barrel for wearing positioning tube (5) is connected with the external world.
7. a kind of pressure relief of submersible pump according to claim 6, which is characterized in that in all reinforced sheets (6)
It is wherein several to be fixed with baffle (8) between two adjacent reinforced sheets (6), the baffle (8), partition (41) and corresponding phase
The pressure release passage (7) are formed between two adjacent reinforced sheets (6).
8. a kind of pressure relief of submersible pump according to claim 6, which is characterized in that the partition (41) will position
Cylinder (5) is separated into epicoele (51) and cavity of resorption (52), and the pressure release cylinder (4) is located in epicoele (51), the end of the motor shaft (2)
Portion is fixed with impeller (10), and the impeller (10) is located in cavity of resorption (52).
9. a kind of pressure relief of submersible pump according to claim 6, which is characterized in that be located at the pressure release cylinder (4)
There are several perforative limbers (9), the limbers (9) is located at adjacent on partition (41) between positioning tube (5)
Between two reinforced sheets (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821868083.6U CN209053800U (en) | 2018-11-14 | 2018-11-14 | A kind of pressure relief of submersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821868083.6U CN209053800U (en) | 2018-11-14 | 2018-11-14 | A kind of pressure relief of submersible pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209053800U true CN209053800U (en) | 2019-07-02 |
Family
ID=67053249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821868083.6U Active CN209053800U (en) | 2018-11-14 | 2018-11-14 | A kind of pressure relief of submersible pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209053800U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111686964A (en) * | 2020-05-21 | 2020-09-22 | 胡伟峰 | Pressure-stabilizing water-saving system and water-saving pressure-stabilizing method thereof |
| CN112377420A (en) * | 2020-11-16 | 2021-02-19 | 台州辉腾泵业有限公司 | Vertical multi-stage water feed pump |
-
2018
- 2018-11-14 CN CN201821868083.6U patent/CN209053800U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111686964A (en) * | 2020-05-21 | 2020-09-22 | 胡伟峰 | Pressure-stabilizing water-saving system and water-saving pressure-stabilizing method thereof |
| CN111686964B (en) * | 2020-05-21 | 2021-08-17 | 山东鑫和供水设备有限公司 | Pressure-stabilizing water-saving system and water-saving pressure-stabilizing method thereof |
| CN112377420A (en) * | 2020-11-16 | 2021-02-19 | 台州辉腾泵业有限公司 | Vertical multi-stage water feed pump |
| CN112377420B (en) * | 2020-11-16 | 2022-06-10 | 山东华立供水设备有限公司 | Vertical multi-stage water feed pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209053800U (en) | A kind of pressure relief of submersible pump | |
| CN101846085B (en) | Frequency conversion high-speed wet type submersible pump | |
| CN201723460U (en) | Variable frequency high speed wet-type submersible pump | |
| CN104389796A (en) | Two-stage impeller embedded submersible axial-flow pump | |
| CN111927790A (en) | Shaftless submersible axial flow electric pump | |
| CN201461456U (en) | Double-suction submersible electric pump | |
| CN101705941B (en) | Screw-rod air compressor gas valve | |
| CN201636067U (en) | Axial force balancing device for ultra-deep-well submersible pump | |
| CN103649464A (en) | Vacuum pump for use in the automotive sector | |
| CN201377433Y (en) | Vertical long shaft double-suction pump | |
| CN201111557Y (en) | Novel self-suction dirty-discharging pump | |
| CN215908071U (en) | Submersible wet type full tubular pump without shaft structure | |
| CN110657102A (en) | Novel submersible sewage pump | |
| CN202468353U (en) | Well type magnetic drive pump for submergible motor | |
| CN213016991U (en) | Deep well pump | |
| CN210660635U (en) | Oil immersed type explosion-proof sewage and dirt submersible pump | |
| CN210343739U (en) | Double-suction submersible pump | |
| CN202017631U (en) | Condensate pump | |
| CN102927054B (en) | Core-cladding integral disassembling and assembling type radially-split type double-section pump | |
| CN209053801U (en) | A kind of location structure of submersible pump casing | |
| CN102324796B (en) | Liquid-cooled radiating external rotor motor | |
| CN201535257U (en) | Vertical tube bag type coagulated water pump | |
| CN102116318A (en) | Pump body structure on condensate pump for nuclear power station | |
| CN202158020U (en) | Multi-stage pump combined balance device | |
| CN203835837U (en) | Two-speed valve capable of achieving inner curve motor variables |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A pressure relief structure of submersible electric pump Effective date of registration: 20220622 Granted publication date: 20190702 Pledgee: Zhejiang Tyrone commercial bank Limited by Share Ltd. Taizhou Wenling branch Pledgor: ZHEJIANG HAPPY PUMP INDUSTRY CO.,LTD. Registration number: Y2022330001052 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |