CN218439874U - Multistage waterproof immersible pump - Google Patents
Multistage waterproof immersible pump Download PDFInfo
- Publication number
- CN218439874U CN218439874U CN202222688494.XU CN202222688494U CN218439874U CN 218439874 U CN218439874 U CN 218439874U CN 202222688494 U CN202222688494 U CN 202222688494U CN 218439874 U CN218439874 U CN 218439874U
- Authority
- CN
- China
- Prior art keywords
- hole
- flange
- cap
- grade
- oil
- 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
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a multistage waterproof immersible pump, including the pump case, the cap, electric motor rotor and impeller, the pump case is arranged in it with electric motor rotor and is closed by the sealed lid of cap, be equipped with sealed pore structure on the cap, electric motor rotor's pivot tip passes sealed pore structure and wears out the cap and is connected with the impeller, sealed pore structure includes the hole of wearing out on the cap, the lid closes at the second grade flange that wears out the hole top and covers the one-level flange that closes at the second grade flange outside, be equipped with on second grade flange and the one-level flange and wear out the coaxial flange hole that sets up of hole, be equipped with the oil blanket in the hole of wearing out, adopt traditional oil blanket sealing technique to form tertiary seal, be formed with the oil pocket of pouring into transformer oil between second grade flange hole and the hole of wearing out, utilize the relation of water-oil proportion, reach the mesh that water can't get into easily, constitute second grade seal; a sealing rubber ring is clamped between the first-stage flange hole and the second-stage flange hole to realize first-stage sealing, and the end part of a rotating shaft of the motor rotor sequentially penetrates through the third-stage sealing hole structure to be connected with the impeller.
Description
Technical Field
The utility model relates to a water pump field specifically is a immersible pump.
Background
The submersible pump is an important device for pumping water from a deep well, and when the submersible pump is used, the whole unit is submerged into water to work, and the water from the deep well is pumped to the ground, so that the submersible pump is widely applied to industry and agriculture. Most of submersible pumps use motors as driving sources, so that a waterproof structure needs to be manufactured on the whole submersible pump, a rotating shaft of each motor penetrates out of the inside of the submersible pump to be connected with a booster impeller, and further sealing and waterproofing are required to be manufactured at the rotating shaft. In the prior art, the rotating shaft is only sealed by using a single-stage oil seal, and due to abrasion caused by rotation of the rotating shaft, the oil seal is easily damaged when the rotating shaft works for a long time, so that water enters the submersible pump to cause short circuit and electric leakage accidents, and certain potential safety hazards exist.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a multistage waterproof submersible pump.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a multistage waterproof immersible pump, includes pump case, cap, electric motor rotor and impeller, the pump case has the open top and arranges electric motor rotor in it, and the top that the sealed lid of cap closed the pump case is uncovered, be equipped with sealed pore structure on the cap, electric motor rotor's pivot tip passes sealed pore structure wear out the cap with the impeller is connected, sealed pore structure includes that the hole of wearing on the cap, lid close and close the second grade flange of wearing out the hole top and cover and close the one-level flange outside at the second grade flange, be equipped with on second grade flange and the one-level flange and wear out the coaxial flange hole that sets up of hole, be equipped with the oil blanket in the wearing hole, be formed with the oil pocket that injects transformer oil between the hole in the second grade flange hole and wearing out, it is equipped with sealed rubber ring to press from between one-level flange hole and the second grade flange hole, electric motor rotor's pivot tip passes the oil blanket in proper order, wears hole, oil pocket, second grade flange hole, sealed rubber ring and one-level flange hole and impeller connection.
The surface of the secondary flange is bulged upwards, and the oil cavity is formed by an inner cavity of the bulged part.
The sealing rubber ring is clamped between the top surface of the raised part and the bottom surface of the primary flange.
The bottom surface of the shell cover extends downwards to form a surrounding wall, the penetrating hole is surrounded by the surrounding wall, and the oil seal is arranged in the surrounding wall.
The impeller is installed above the first-stage flange and is covered by the water guide cover, the water guide cover comprises a cover body and a water receiving sleeve extending from the top of the cover body, a plurality of through holes are formed in the side portion of the cover body to form a water inlet, and an inner hole of the water receiving sleeve forms a water outlet.
The utility model has the advantages that: the utility model is provided with a three-level waterproof sealing structure at the rotating shaft through the primary flange and the secondary flange, and the sealing effect is better; the first stage realizes sealing by using a sealing rubber ring; the second stage adopts a pressure balance sealing technology, transformer oil is stored in an oil cavity formed by the second flange, and the purpose that water cannot easily enter is achieved by utilizing the relation of the specific gravity of the water and the oil; the third level adopts traditional oil blanket sealing technique, can effectively resist the produced high temperature of motor when rotating, and is more durable.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a cross-sectional view of the present invention;
fig. 3 is a schematic view of the present invention.
Detailed Description
Referring to fig. 1 to 3, the multistage waterproof submersible pump comprises a pump case 1, a case cover 2, a motor rotor 9 and an impeller 8, wherein the pump case 1 is provided with an opening at the top and places the motor rotor 9 in the pump case, the case cover 2 hermetically covers the opening at the top of the pump case 1, the case cover 2 is provided with a sealing hole structure, and the end part of a rotating shaft of the motor rotor 9 penetrates through the sealing hole structure and penetrates out of the case cover 2 to be connected with the impeller 8.
The sealed pore structure includes that the hole 21, the lid of wearing on the cap 2 closes the second grade flange 3 and the cover that wear the hole 21 top and closes the one-level flange 4 at the outside of second grade flange 3, is equipped with on second grade flange 3 and the one-level flange 4 and wears the flange hole that the hole 21 is coaxial to be set up, be equipped with oil blanket 5 in the hole 21 of wearing, be formed with the oil pocket 6 that pours into transformer oil into between the hole 21 of second grade flange 3 hole and the hole of wearing, press from both sides between 4 holes of one-level flange and the 3 holes of second grade flange and be equipped with sealed rubber ring 7, the pivot tip of motor rotor 9 passes oil blanket 5 in proper order, wears the hole 21, oil pocket 6, second grade flange 3 holes, sealed rubber ring 7 and 4 holes of one-level flange and is connected with impeller 8, constitutes the tertiary waterproof sealing structure of pivot department, and sealed effect is showing. The first stage realizes sealing by using a sealing rubber ring 7; the second stage adopts a pressure balance sealing technology, transformer oil is stored in an oil cavity 6 formed by a second flange, and the purpose that water cannot easily enter is achieved by utilizing the relation of the specific gravity of water and oil; the third stage adopts the traditional oil seal 5 sealing technology, can effectively resist the high temperature generated by the motor during rotation, and is more durable. The problem of current pivot department water intaking can effectively be avoided through tertiary seal structure, further improves the security.
As the utility model discloses a preferred scheme, the second grade flange 3 surface uplifts, constitutes through the inner chamber of uplift portion the oil pocket 6, processing is convenient on the one hand, and the mode that constitutes oil pocket 6 is simple, and on the other hand utilizes the uplift portion to form bellied step, and sealing rubber ring 7 can more closely press from both sides and establish between the top surface of uplift portion and the bottom surface of one-level flange 4, forms good sealed effect. To facilitate the installation of the oil seal 5, a surrounding wall 22 extends downwards from the bottom surface of the housing cover 2, the through hole 21 is surrounded by the surrounding wall 22, and the oil seal 5 is embedded in the surrounding wall 22 to realize the installation.
Preferably, the impeller 8 is installed above the primary flange 4 and is covered by the water guide cover 10, the water guide cover 10 comprises a cover body 101 and a water receiving sleeve 102 extending from the top of the cover body 101, a plurality of through holes are formed in the side portion of the cover body 101 to form a water inlet 103, a water outlet 104 is formed in an inner hole of the water receiving sleeve 102, when the motor rotor 9 is powered on, the impeller 8 is driven to rotate, the impeller 8 is driven to fan to form water flow, water in the water enters the water guide cover 10 through the water inlet 103, the water is pumped out from the water outlet 104 by the rotation pressurization of the impeller 8, and a water pipe is sleeved on the water receiving sleeve 102 and communicated to the ground, so that the water supply work of the submersible pump is realized.
Claims (5)
1. The utility model provides a multistage waterproof immersible pump, includes pump case (1), cap (2), electric motor rotor (9) and impeller (8), pump case (1) has the open top and arranges electric motor rotor (9) in it, and the top that cap (2) sealed lid closed pump case (1) is uncovered, be equipped with sealed pore structure on cap (2), the pivot tip of electric motor rotor (9) passes sealed pore structure wear out cap (2) with impeller (8) are connected, its characterized in that: the utility model discloses a transformer oil injection device, including two-stage flange (3) that the hole (21) was worn out in sealed pore structure includes that the hole (21), the lid of wearing on cap (2) closes second grade flange (3) and the cover closes one-level flange (4) outside in hole (21), is equipped with on second grade flange (3) and one-level flange (4) and wears out the flange hole that hole (21) coaxial setting, be equipped with oil blanket (5) in the hole (21) of wearing, second grade flange (3) hole and wear out and be formed with oil pocket (6) of pouring into transformer oil between hole (21), press from both sides between one-level flange (4) hole and second grade flange (3) hole and be equipped with sealed rubber ring (7), the pivot tip of motor rotor (9) pass oil blanket (5) in proper order, wear out hole (21), oil pocket (6), second grade flange (3) hole, sealed rubber ring (7) and one-level flange (4) hole with impeller (8) connect.
2. The multi-stage waterproof submersible pump of claim 1, wherein: the surface of the secondary flange (3) is raised upwards, and the oil cavity (6) is formed by an inner cavity of the raised part.
3. The multi-stage waterproof submersible pump of claim 2, wherein: and the sealing rubber ring (7) is clamped between the top surface of the raised part and the bottom surface of the primary flange (4).
4. The multi-stage waterproof submersible pump of claim 1, wherein: and a surrounding wall (22) extends downwards from the bottom surface of the shell cover (2), the through hole (21) is surrounded by the surrounding wall (22), and the oil seal (5) is arranged in the surrounding wall (22).
5. The multi-stage waterproof submersible pump of claim 1, wherein: impeller (8) are installed in one-level flange (4) top to cover through water guide cover (10) and close, water guide cover (10) are including the cover body (101) and water receiving sleeve pipe (102) that extend from cover body (101) top, a plurality of through-holes have been seted up to cover body (101) lateral part and have been formed water inlet (103), the hole of water receiving sleeve pipe (102) forms delivery port (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222688494.XU CN218439874U (en) | 2022-10-12 | 2022-10-12 | Multistage waterproof immersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222688494.XU CN218439874U (en) | 2022-10-12 | 2022-10-12 | Multistage waterproof immersible pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218439874U true CN218439874U (en) | 2023-02-03 |
Family
ID=85042624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222688494.XU Active CN218439874U (en) | 2022-10-12 | 2022-10-12 | Multistage waterproof immersible pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218439874U (en) |
-
2022
- 2022-10-12 CN CN202222688494.XU patent/CN218439874U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ATE433543T1 (en) | IMPROVED PUMP | |
| CN218439874U (en) | Multistage waterproof immersible pump | |
| JPS5834316Y2 (en) | underwater pump | |
| CN87206747U (en) | Submerged pump with pnumatic seal | |
| CN211819925U (en) | High-efficiency energy-saving vertical self-priming pump | |
| CN210919471U (en) | Pump with vacuum self-suction function | |
| CN209278162U (en) | A kind of water pump with remote control function | |
| CN208845382U (en) | A kind of immersible pump | |
| CN201187471Y (en) | Air compression type non-seal submersible pump | |
| CN101344094A (en) | Submersible pump cooperated with standard borehole | |
| CN201225332Y (en) | Self-sucking pump | |
| CN201330713Y (en) | Novel dry minitype electric submersible pump | |
| CN103883766B (en) | Check valve for self-priming system | |
| CN206801897U (en) | A kind of water pump of low water level water outlet | |
| CN219654909U (en) | High-water-pressure environment stable sealed submersible pump | |
| CN211715349U (en) | Submersible pump for well | |
| CN218542630U (en) | Blowdown immersible pump that assembly efficiency is high | |
| CN219549089U (en) | Chargeable miniature direct current diaphragm immersible pump | |
| CN218542628U (en) | Sewage and dirt submersible electric pump | |
| CN215292921U (en) | Submersible pump with sealing assembly | |
| CN111894867A (en) | Submersible pump with load inside | |
| CN211852145U (en) | Submersible screw pump | |
| CN109838392A (en) | A kind of Novel submersible pump deep water compensation device | |
| CN2627248Y (en) | Two-stage single suction vertical centrifugal pump | |
| CN2714850Y (en) | Compact submersible pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |