CN219654909U - High-water-pressure environment stable sealed submersible pump - Google Patents
High-water-pressure environment stable sealed submersible pump Download PDFInfo
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- CN219654909U CN219654909U CN202320237518.1U CN202320237518U CN219654909U CN 219654909 U CN219654909 U CN 219654909U CN 202320237518 U CN202320237518 U CN 202320237518U CN 219654909 U CN219654909 U CN 219654909U
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- rotating shaft
- sealing
- water pressure
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- 238000007789 sealing Methods 0.000 claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 230000005611 electricity Effects 0.000 claims description 2
- 239000012466 permeate Substances 0.000 abstract description 4
- 210000004907 gland Anatomy 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000004927 clay Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a high-water pressure environment stable sealing submersible pump which comprises a pump body and an impeller cover internally provided with an impeller, wherein the pump body comprises a base, a pump shell connected with the base, a motor arranged in the pump shell, a control assembly and a cable, and the control assembly and the cable are arranged on the base. The miniature air pump is arranged on the pump body base, the miniature air pump can transmit air into the air storage cavity between the impeller cover and the motor through the control of the control component, and water in the impeller cover can not permeate into the motor as the air pressure in the air storage cavity is increased and the water pressure flowing into the impeller cover is balanced with each other.
Description
Technical Field
The utility model relates to the technical field of submersible pumps, in particular to a submersible pump with a stable sealing high-water pressure environment.
Background
The submerged pump is a multistage pump, is mainly used for extracting water from a motor-pumped well, a soil well or a reservoir of a clay layer, and is suitable for irrigating factories, mines or farmlands. In 1928, U.S. cloth Longjie Kson (Byron Jakson) developed an electric submersible pump for the first time. The next 30 s, germany, uk, united states, japan, etc. began to produce "deep well submersible pumps".
Currently, chinese patent with public number CN104265680a discloses a submersible pump, which comprises a pump body and an impeller cover with an impeller inside, wherein the pump body comprises a base, a pump shell, a motor, a control assembly and a cable, when the submersible pump is submerged in the water, water in a water inlet section at the impeller of the submersible pump cannot permeate from a sealing ring due to tension, but water pressure also can gradually increase due to gradual increase of submergence depth, at the moment, water can permeate from a water inlet section at the impeller of the submersible pump from a gap of the sealing ring through extrusion by pressure difference, and when the water is too much, the water possibly enters into the motor to cause short circuit or damage of the motor.
Disclosure of Invention
In view of the above, the present utility model aims to provide a submersible pump with stable sealing in high water pressure environment, which has the function of preventing water from penetrating into a motor.
In order to achieve the above object, the technical scheme of the present utility model is as follows:
the utility model provides a high water pressure environment stable sealed immersible pump, includes the pump body and embeds the impeller cover that has the impeller, the pump body includes base, pump case, motor, control assembly and cable, control assembly installs on the base, the motor is installed in the pump case, the one end and the control assembly electricity of cable are connected, and the other end seals and passes the base and extend to outside, and the lower extreme of pump case is connected with the upper end of impeller cover through the connecting seat; the rotating shaft of the motor passes through the connecting seat in a sealing way, enters the impeller cover and is connected with the impeller; the connecting seat is internally provided with an air storage cavity, an air passage is arranged in the rotating shaft, a first air inlet is formed in the upper end of the rotating shaft, a first air outlet is formed in the side wall, located in the air storage cavity, of the rotating shaft, and the first air inlet is communicated with the first air outlet through the air passage;
a miniature air pump is further installed in the pump shell, a second air outlet of the miniature air pump is communicated with the first air inlet through a first air pipe, a second air pipe is connected to the second air inlet of the miniature air pump, and the second air pipe is integrated in the cable; the miniature air pump is electrically connected with the control component;
the side wall of the pump shell is also provided with a water pressure sensor in a sealing manner, the communication part of the first air pipe and the first air inlet is provided with an air pressure sensor, and the water pressure sensor and the air pressure sensor are electrically connected with the control assembly.
Preferably, a bracket is arranged below the miniature air pump, a first sealing sleeve is embedded in the bracket, and the first sealing sleeve is arranged at the upper end of the rotating shaft and on the same axis with the rotating shaft; the upper end face of pivot is provided with first seal groove, the lower extreme setting of first seal cover is in first seal groove, the through-hole has been seted up at the middle part of first seal cover, and the through-hole communicates first gas tube and air flue.
Preferably, the air pressure sensor is arranged on the inner wall of the first sealing sleeve, and an electric wire of the air pressure sensor penetrates out of the first air pipe in a sealing way to be electrically connected with the control assembly.
Preferably, the gas storage cavity is provided with a gas discharge port, and the gas discharge port is provided with a plug for sealing the gas discharge port.
Preferably, a second sealing sleeve and a third sealing sleeve are arranged in the gas storage cavity, the second sealing sleeve is embedded at the joint of the upper end of the gas storage cavity and the rotating shaft, and the third sealing sleeve is embedded at the joint of the lower end of the gas storage cavity and the rotating shaft.
Preferably, one end of the second air pipe is sealed and penetrated out from the tail end of the cable and separated from the electric wire.
The technical effects of the utility model are mainly as follows: after the submersible pump enters the high water pressure environment, the water pressure sensor feeds back the water pressure to the control assembly, the control assembly starts the air pump, the air pump enables the air pressure in the air storage cavity to be lifted through inflation, the air pressure is enabled to reach a state of being balanced with the water pressure through the pressure sensor, and when the pressure difference between the air pressure and the water pressure is not large, water is not easy to permeate from the sealing ring.
Drawings
FIG. 1 is a schematic diagram of a submersible pump in an embodiment;
fig. 2 is an enlarged view at a in fig. 1.
Reference numerals: 1. an impeller cover; 2. a connecting seat; 21. a gas storage chamber; 22. a third gland; 23. a plug; 24. a second gland; 211. a vent port; 3. a rotating shaft; 31. a first air inlet; 32. a first air outlet; 311. an airway; 4. a motor; 5. a pump housing; 6. a base; 7. a control assembly; 8. an air pump; 81. a second air pipe; 811. a second air inlet; 82. a first air tube; 821. a second air outlet; 9. a cable; 10. a water pressure sensor; 11. an air pressure sensor; 12. a first gland; 121. a first seal groove; 13. and (3) a bracket.
Description of the embodiments
The following detailed description of the utility model is provided in connection with the accompanying drawings to facilitate understanding and grasping of the technical scheme of the utility model.
Referring to fig. 1, a submersible pump with stable sealing in high water pressure environment comprises a pump body and an impeller cover 1 with an impeller arranged inside, wherein the pump body comprises a base 6, a pump shell 5, a motor 4, a control assembly 7 and a cable 9, the control assembly 7 is arranged on the base 6, and the motor 4 is arranged in the pump shell 5; one end of a cable 9 is electrically connected with the control assembly 7, the other end of the cable passes through the base 6 in a sealing way and extends to the outside, and the lower end of the pump shell 5 is connected with the upper end of the impeller cover 1 through the connecting seat 2; the rotating shaft 3 of the motor 4 passes through the connecting seat 2 in a sealing way and enters the impeller cover 1 and is connected with the impeller, the connecting seat 2 is internally provided with the air storage cavity 21, the air pressure in the air storage cavity is increased by inflation, the air pressure can reach relative balance with the water pressure of water entering from the impeller cover, water infiltration is prevented, the air storage cavity 21 is also provided with the air discharge port 211, the air discharge port 211 is plugged by the plug 23, in the embodiment, the plug 23 is in threaded connection with the air discharge port 211, the purpose of air discharge can be achieved only by unscrewing the plug 23 when the air storage cavity 21 is not required to be pressurized, the second sealing sleeve 24 and the third sealing sleeve 22 are further arranged in the air storage cavity 21, the second sealing sleeve 24 is embedded at the joint of the upper end of the air storage cavity 21 and the rotating shaft 3, the third sealing sleeve 22 is embedded at the joint of the lower end of the air storage cavity 21 and the rotating shaft 3, and the sealing sleeve plays a role in improving certain sealing performance to the gap between the air storage cavity 21 and the rotating shaft 3.
Referring to fig. 1 and 2, an air passage 311 is provided in the rotating shaft 3, a first air inlet 31 of the air passage 311 is arranged at the upper end of the rotating shaft 3, a first air outlet 32 of the air passage 311 is arranged on the side wall of the rotating shaft 3 in the air storage cavity 21, the first air inlet 31 is connected with a micro air pump 8 through a first air pipe 82, the micro air pump 8 is electrically connected with a control component 7 in a base 6, a second air inlet 811 of the micro air pump 8 is connected with a second air pipe 81 to be integrated in a cable 9 in the base and penetrate out, after penetrating out to the outside, the second air pipe 81 and an electric wire are separated and sealed, a connecting plug of the electric wire part of the cable 9 can be connected with a power supply for electrifying, and the second air pipe 81 is exposed outside and can be used for entering air.
In this example, because the rotating shaft 3 is in a high-speed rotating state during machine operation, the micro air pump 8 is not well connected with the rotating shaft, a bracket 13 is arranged below the micro air pump 8, a first sealing sleeve 12 is embedded in the bracket 13, the other end of the first sealing sleeve 12 is arranged at the upper end of the rotating shaft 3 and on the same axis with the rotating shaft 3, a first sealing groove 121 is arranged at the upper end surface of the rotating shaft 3, the lower end of the first sealing sleeve 12 is arranged in the first sealing groove 121, a through hole is formed in the middle of the first sealing sleeve 12, and the through hole is communicated with the first air pipe 82 and the air channel 311.
The side wall of the pump shell 5 is also provided with a water pressure sensor 10 in a sealing and embedding manner, the communication part of the first air pipe 82 and the first air inlet 31 is provided with an air pressure sensor 11, the water pressure sensor 10 is electrically connected with the control assembly 7, the air pressure sensor 11 is arranged on the inner wall of the first sealing sleeve 12, and an electric wire of the air pressure sensor 11 penetrates out of the first air pipe 82 in a sealing manner to be electrically connected with the control assembly 7.
The working principle of the embodiment is as follows:
after the submersible pump is submerged, the water pressure is increased, when the water pressure is increased to a certain range, the water pressure sensor 10 feeds information back to the control assembly 7, the control assembly 7 starts to operate the micro air pump 8, the micro air pump 8 starts to inflate the air storage cavity 21, when the air pressure reaches a certain value, the air pressure sensor 11 transmits information to the control assembly 7, and then the control assembly 7 controls the micro air pump 8 to stop operating.
Of course, the above is only a typical example of the utility model, and other embodiments of the utility model are also possible, and all technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of the utility model claimed.
Claims (6)
1. The utility model provides a high water pressure environment stable sealed immersible pump, includes the pump body and embeds impeller cover (1) that have the impeller, the pump body includes base (6), pump case (5), motor (4), control assembly (7) and cable (9), control assembly (7) are installed on base (6), motor (4) are installed in pump case (5), one end and control assembly (7) electricity of cable (9) are connected, and the other end seals and passes base (6) to outside extension; the impeller is characterized in that the lower end of the pump shell (5) is connected with the upper end of the impeller cover (1) through a connecting seat (2); the rotating shaft (3) of the motor (4) passes through the connecting seat (2) in a sealing way, enters the impeller cover (1) and is connected with the impeller; the connecting seat (2) is internally provided with an air storage cavity (21), an air passage (311) is formed in the rotating shaft (3), a first air inlet (31) is formed in the upper end of the rotating shaft (3), a first air outlet (32) is formed in the side wall of the rotating shaft (3) positioned in the air storage cavity (21), and the first air inlet (31) and the first air outlet (32) are communicated through the air passage (311);
a miniature air pump (8) is further installed in the pump shell (5), a second air outlet (821) of the miniature air pump (8) is communicated with the first air inlet (31) through a first air pipe (82), a second air inlet (811) of the miniature air pump (8) is connected with a second air pipe (81), and the second air pipe (81) is integrated in the cable (9); the miniature air pump (8) is electrically connected with the control assembly (7);
the side wall of the pump shell (5) is further provided with a water pressure sensor (10) in a sealing embedded mode, an air pressure sensor (11) is arranged at the communication position of the first air pipe (82) and the first air inlet (31), and the water pressure sensor (10) and the air pressure sensor (11) are electrically connected with the control assembly (7).
2. The high water pressure environment stable sealed submersible pump of claim 1, wherein: a bracket (13) is arranged below the miniature air pump (8), a first sealing sleeve (12) is embedded in the bracket (13), and the first sealing sleeve (12) is arranged at the upper end of the rotating shaft (3) and on the same axis with the rotating shaft (3); the upper end face of the rotating shaft (3) is provided with a first sealing groove (121), the lower end of the first sealing sleeve (12) is arranged in the first sealing groove (121), the middle part of the first sealing sleeve (12) is provided with a through hole, and the through hole is communicated with the first air pipe (82) and the air channel (311).
3. The high water pressure environment stable sealed submersible pump of claim 2, wherein: the air pressure sensor (11) is arranged on the inner wall of the first sealing sleeve (12), and an electric wire of the air pressure sensor (11) penetrates out of the first air pipe (82) in a sealing manner and is electrically connected with the control assembly (7).
4. The high water pressure environment stable sealed submersible pump of claim 1, wherein: the gas storage cavity (21) is provided with a gas discharge port (211), and the gas discharge port (211) is provided with a plug (23) for sealing the gas discharge port (211).
5. The high water pressure environment stable sealed submersible pump of claim 4 wherein: the gas storage cavity (21) is internally provided with a second sealing sleeve (24) and a third sealing sleeve (22), the second sealing sleeve (24) is embedded at the joint of the upper end of the gas storage cavity (21) and the rotating shaft (3), and the third sealing sleeve (22) is embedded at the joint of the lower end of the gas storage cavity (21) and the rotating shaft (3).
6. The high water pressure environment stable sealed submersible pump of claim 1, wherein: one end of the second air pipe (81) is sealed and penetrated out from the tail end of the cable (9) and the electric wire integrated in the cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320237518.1U CN219654909U (en) | 2023-01-31 | 2023-01-31 | High-water-pressure environment stable sealed submersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320237518.1U CN219654909U (en) | 2023-01-31 | 2023-01-31 | High-water-pressure environment stable sealed submersible pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219654909U true CN219654909U (en) | 2023-09-08 |
Family
ID=87856613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320237518.1U Active CN219654909U (en) | 2023-01-31 | 2023-01-31 | High-water-pressure environment stable sealed submersible pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219654909U (en) |
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2023
- 2023-01-31 CN CN202320237518.1U patent/CN219654909U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240126 Address after: 014000 No.1, Building 1, Block 12, Tuanjie Street, Kundulun District, Baotou City, Inner Mongolia Autonomous Region Patentee after: Ma Fengrong Country or region after: China Patentee after: Liu Weiqun Address before: 317525 Unit 101, Building 11, Pan'ao Pioneer Park, Daxi Town, Wenling City, Taizhou City, Zhejiang Province Patentee before: Longbiao Pump Industry Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240423 Address after: 014000 Sunshine Yaju 2-118, No. 37 Xingfu South Road, Qingshan District, Baotou City, Inner Mongolia Autonomous Region Patentee after: Inner Mongolia Fude Sheng Economic and Trade Co.,Ltd. Country or region after: China Address before: 014000 No.1, Building 1, Block 12, Tuanjie Street, Kundulun District, Baotou City, Inner Mongolia Autonomous Region Patentee before: Ma Fengrong Country or region before: China Patentee before: Liu Weiqun |
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| TR01 | Transfer of patent right |