CN211009890U - Sealing structure of submersible pump motor - Google Patents
Sealing structure of submersible pump motor Download PDFInfo
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- CN211009890U CN211009890U CN201922179655.0U CN201922179655U CN211009890U CN 211009890 U CN211009890 U CN 211009890U CN 201922179655 U CN201922179655 U CN 201922179655U CN 211009890 U CN211009890 U CN 211009890U
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- wall
- main shaft
- sealing
- bearing
- pump motor
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Abstract
The utility model discloses a sealing structure of a submersible pump motor, which comprises a sealing shell and a main shaft, wherein the outer wall of the main shaft is provided with an oil seal shell, the left side wall and the right side wall of the oil seal shell are respectively provided with a bearing, the outer wall of the main shaft is movably connected with the side plate of the oil seal shell through a bearing, the inner side of each bearing is provided with a first sealing washer, and each other side of the bearing is provided with a second sealing washer, the side wall of the second sealing washer is fixedly provided with a pressing plate, one side of the pressing plate, which is far away from the second sealing washer, is provided with a reinforcing plate, the outer side of the side wall of the oil seal shell is provided with a bearing sealing plate, the utility model improves the sealing effect of a counter shaft and a shaft sleeve, can avoid silt from entering the bearing, thereby improving, the submersible pump body has multiple protections, and the sealing performance and quality of the whole submersible pump body are improved.
Description
Technical Field
The utility model relates to a immersible pump technical field especially relates to a seal structure of immersible pump motor.
Background
The submersible pump is an important device for pumping water from a deep well. When in use, the whole unit is submerged to work, and underground water is extracted to the ground surface, so that the unit is used for domestic water, mine emergency, industrial cooling, farmland irrigation, seawater lifting and ship load regulation, and can also be used for fountain landscape.
The sealing mode of the existing submersible pump motor mainly adopts a framework oil seal, but the sealing effect of the existing framework oil seal is poor, and the sealing performance of a bearing assembly in the framework oil seal is easily reduced in water with large sand content, so that the service life of the submersible pump motor is greatly shortened, the working progress is influenced, and the quality cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a seal structure of immersible pump motor, aim at can improve immersible pump motor's leakproofness, difficult emergence wearing and tearing, stable in structure avoids leaking and drops, has improved the holistic quality of immersible pump.
In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:
a sealing structure of a submersible pump motor comprises a sealing shell and a spindle, wherein the submersible pump motor is connected to the left end of the spindle in a transmission manner, the submersible pump motor and the spindle are arranged in an inner cavity of the sealing shell, an oil seal shell is arranged on the outer wall of the spindle, bearings are installed on the left side wall and the right side wall of the oil seal shell in an opened manner, the outer wall of the spindle is movably connected with a side plate of the oil seal shell through the bearings, each sealing washer is arranged on the inner side of each bearing, a first sealing washer is arranged on the other side of each bearing, a pressing plate is fixedly installed on the side wall of each second sealing washer, the first sealing washer and the second sealing washer are sleeved on the outer wall of the spindle, a reinforcing plate is arranged on one side of the pressing plate, which is far away from the second sealing washer, a spiral groove is formed, and the reinforcing plate is fixedly connected with the oil seal shell through threads, a bearing sealing plate is arranged on the outer side of the side wall of the oil seal shell, a first fixing screw and a second fixing screw are mounted on the bearing sealing plate, the second fixing screw is arranged close to the main shaft, the tail end of the second fixing screw is connected with the side wall of the reinforcing plate through threads, and the tail end of the first fixing screw is connected with the oil seal shell through threads.
Preferably, in the sealing structure of the submersible pump motor, a joint between the outer wall of the oil enclosure and the sealing housing is filled with a sealing colloid.
Based on above-mentioned technical characteristics, the oil capsule passes through the setting of sealed colloid, can improve the holistic sealed effect of sealed casing.
Preferably, in the sealing structure of the submersible pump motor, the bearing is arranged in a double-ball type, a flat key is fixedly mounted on the inner wall of the bearing, a key groove matched with the flat key is formed in the outer wall of the main shaft, and the main shaft is fixedly connected with the inner wall of the bearing through the flat key.
Based on the technical characteristics, the main shaft can be accurately and stably arranged on the inner wall of the bearing through the connection of the flat key, and the bearing on the outer wall of the main shaft is not easy to fall off after being used for a long time.
Preferably, in the above sealing structure for the submersible pump motor, the outer wall at the joint of the main shaft and the submersible pump motor output shaft is annularly provided with balls, the inner wall of the sealing housing is provided with mounting grooves matched with the balls, and each ball is correspondingly arranged in the mounting groove of the sealing housing and is movably connected with the outer wall of the main shaft.
Based on the technical characteristics, the rotating effect of the main shaft in the submersible pump body can be further improved through the installation of the balls.
Preferably, in the sealing structure of the submersible pump motor, the spiral groove and the reinforcing plate are both arranged in a circular shape, and the reinforcing plate is sleeved on the outer wall of the main shaft.
Based on above-mentioned technical characteristics, through the setting of gusset plate, can realize the duplicate protection to the bearing, overall structure is more stable.
Preferably, in the sealing structure of the submersible pump motor, a rubber gasket is fixedly mounted on one side of the bearing sealing plate close to the side wall of the oil seal shell, the rubber gasket is arranged in a circular ring shape, and the rubber gasket is connected with the main shaft in a sealing manner.
Based on above-mentioned technical characteristic, the last setting through rubber gasket of bearing seal plate, steadiness and the leakproofness after improvement bearing seal plate fastening that can be further.
The utility model has the advantages that: the utility model discloses a setting of the sealing washer of bearing both sides, clamp plate, gusset plate and bearing seal plate isotructure has improved the sealed effect of counter shaft and axle sleeve, can avoid during silt gets into the bearing to improved bearing unit's in the skeleton oil blanket leakproofness, overall structure is stable, and its inside skeleton oil blanket effect is good, and difficult emergence is leaked, has multiple protection, and then has improved the holistic leakproofness of the dive pump body and quality.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention;
fig. 3 is an enlarged view of B of fig. 1 according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. sealing the housing; 2. an oil-sealed enclosure; 3. a main shaft; 4. a bearing; 5. a flat bond; 6. a first sealing gasket; 7. a second sealing gasket; 8. pressing a plate; 9. a reinforcing plate; 10. a screw groove; 11. a bearing seal plate; 12. a first fixing screw; 13. a rubber gasket; 14. a second fixing screw; 15. and a ball.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, the present embodiment is a sealing structure of a submersible pump motor, including a sealing housing 1 and a main shaft 3, the left end of the main shaft 3 is connected with the submersible pump motor in a transmission manner, the submersible pump motor and the main shaft 3 are both disposed in an inner cavity of the sealing housing 1, balls 15 are annularly disposed on an outer wall of a connection portion between the main shaft 3 and an output shaft of the submersible pump motor, an inner wall of the sealing housing 1 is provided with a mounting groove matched with the balls 15, each ball 15 is correspondingly disposed in the mounting groove of the sealing housing 1 and movably connected with an outer wall of the main shaft 3, by the mounting of the balls 15, a rotation effect of the main shaft 3 in the submersible pump body can be further improved, an oil enclosure 2 is disposed on the outer wall of the main shaft 3, a sealing colloid is filled at a connection portion between the outer wall of the oil enclosure 2 and the sealing housing 1, the, the bearing 4 is installed on the left side wall and the right side wall of the oil seal shell 2 through holes, the outer wall of the main shaft 3 is movably connected with the side plate of the oil seal shell 2 through the bearing 4, the bearing 4 is arranged in a double-ball type, the flat key 5 is fixedly installed on the inner wall of the bearing 4, the key groove matched with the flat key 5 is formed in the outer wall of the main shaft 3, the main shaft 3 is fixedly connected with the inner wall of the bearing 4 through the flat key 5, the main shaft 3 can be accurately and stably installed on the inner wall of the bearing 4 through the flat key 5, the bearing 4 using the outer wall of the main shaft for a long time is not easy to fall off, the inner side of each bearing 4 is provided with a first sealing washer 6, the other side of each bearing 4 is provided with a second sealing washer 7, the side wall of each second sealing washer 7 is fixedly installed with a pressing plate 8, the first sealing washer 6, the side wall of the oil seal shell 2 is provided with a spiral groove 10, the side wall of the reinforcing plate 9 is provided with an external thread cylinder matched with the spiral groove 10, the reinforcing plate 9 is fixedly connected with the oil seal shell 2 through threads, the sections of the spiral groove 10 and the reinforcing plate 9 are both circularly arranged, the reinforcing plate 9 is sleeved on the outer wall of the main shaft 3, double protection on the bearing 4 can be realized through the arrangement of the reinforcing plate 9, the whole structure is more stable, the outer side of the side wall of the oil seal shell 2 is provided with a bearing sealing plate 11, one side of the bearing sealing plate 11, which is close to the side wall of the oil seal shell 2, is fixedly provided with a rubber gasket 13, the rubber gasket 13 is arranged in a circular ring shape, the rubber gasket 13 is hermetically connected with the main shaft 3, the bearing sealing plate 11 is provided with the rubber gasket 13, the stability and the sealing performance after the bearing sealing plate 11 is fastened can be, the second fixing screw 14 is arranged close to the main shaft 3, the end of the second fixing screw 14 is connected with the side wall of the reinforcing plate 9 through threads, the end of the first fixing screw 12 is connected with the oil enclosure 2 through threads, and the two fixing screws can tightly fix the bearing sealing plate 11 on the side wall of the oil enclosure 2.
The utility model relates to a concrete implementation, when the main shaft 3 in the utility model carries out oil sealing work, firstly, the bearing 4 is arranged on the side wall of the oil-sealed shell 2, the first sealing washer 6 or the second sealing washer 7 is correspondingly arranged on both sides of the bearing 4, then the annular pressing plate 8 is pressed on the side wall of the second sealing washer 7, the reinforcing plate 9 is screwed on, the oil-sealed shell 2 carries out oil sealing work, then the bearing sealing plate 11 of the outer wall of the main shaft 3 is fastened by the first fixing screw 12 and the second fixing screw 14, finally, the sealing shell 1 is arranged on the outer wall of the oil-sealed shell 2 and the motor, the impeller at the tail end of the main shaft 3 is arranged, the installation work of the submersible pump body is completed, the main shaft 3 improves the sealing effect of the counter shaft and the shaft sleeve through the arrangement of the structures such as the sealing rings, the pressing plate 8, the reinforcing plate 9 and the bearing sealing plate 11 on both sides, when the submersible pump is used, the left end of the main shaft 3 is in transmission connection with a submersible pump motor, and the main shaft 3 can be driven by the submersible pump motor to drive an impeller at the tail end of the main shaft 3 to rotate in a linkage manner, so that the normal work of a submersible pump body is completed.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a seal structure of immersible pump motor, includes seal housing (1) and main shaft (3), the left end transmission of main shaft (3) is connected with the immersible pump motor, immersible pump motor and main shaft (3) all set up in the inner chamber of seal housing (1), its characterized in that: the outer wall of the main shaft (3) is provided with an oil seal shell (2), the left side wall and the right side wall of the oil seal shell (2) are provided with holes and are provided with bearings (4), the outer wall of the main shaft (3) is movably connected with the side plates of the oil seal shell (2) through the bearings (4), the inner side of each bearing (4) is provided with a first sealing washer (6), the other side of each bearing (4) is provided with a second sealing washer (7), the side wall of each second sealing washer (7) is fixedly provided with a pressing plate (8), the outer wall of the main shaft (3) is sleeved with the first sealing washer (6) and the second sealing washer (7), one side of each pressing plate (8), far away from the second sealing washer (7), is provided with a reinforcing plate (9), the side wall of the oil seal shell (2) is provided with a screw groove (10), the side wall of each pressing plate (9) is, and gusset plate (9) pass through screw thread fixed connection oil-sealed shell (2), the outside of oil-sealed shell (2) lateral wall is provided with bearing seal plate (11), install first clamping screw (12) and second clamping screw (14) on bearing seal plate (11), second clamping screw (14) are close to main shaft (3) and set up, and the terminal lateral wall that passes through screw thread connection gusset plate (9) of second clamping screw (14), threaded connection oil-sealed shell (2) are passed through to the end of first clamping screw (12).
2. The sealing structure of a submersible pump motor according to claim 1, characterized in that: and a joint of the outer wall of the oil enclosure (2) and the sealing shell (1) is filled with sealing colloid.
3. The sealing structure of a submersible pump motor according to claim 1, characterized in that: the bearing (4) is set up for two ball formulas, and the inner wall fixed mounting of bearing (4) has flat key (5), the keyway that matches with flat key (5) is seted up to the outer wall of main shaft (3), and inner wall of main shaft (3) through flat key (5) fixed connection bearing (4).
4. The sealing structure of a submersible pump motor according to claim 1, characterized in that: the outer wall annular of main shaft (3) and immersible pump motor output shaft junction is provided with ball (15), the mounting groove that matches with ball (15) is seted up to the inner wall of seal housing (1), every ball (15) all correspond the setting in the mounting groove of seal housing (1), and with the outer wall swing joint of main shaft (3).
5. The sealing structure of a submersible pump motor according to claim 1, characterized in that: the cross sections of the screw grooves (10) and the reinforcing plate (9) are both circular, and the reinforcing plate (9) is sleeved on the outer wall of the main shaft (3).
6. The sealing structure of a submersible pump motor according to claim 1, characterized in that: one side fixed mounting that bearing seal plate (11) is close to oil-sealed shell (2) lateral wall has rubber gasket (13), rubber gasket (13) are ring shape setting, and rubber gasket (13) and main shaft (3) sealing connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922179655.0U CN211009890U (en) | 2019-12-09 | 2019-12-09 | Sealing structure of submersible pump motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922179655.0U CN211009890U (en) | 2019-12-09 | 2019-12-09 | Sealing structure of submersible pump motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211009890U true CN211009890U (en) | 2020-07-14 |
Family
ID=71470823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922179655.0U Expired - Fee Related CN211009890U (en) | 2019-12-09 | 2019-12-09 | Sealing structure of submersible pump motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211009890U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112796990A (en) * | 2021-01-06 | 2021-05-14 | 武昌首义学院 | Prevent leaking hydraulic oil pump convenient to debugging sealing port |
-
2019
- 2019-12-09 CN CN201922179655.0U patent/CN211009890U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112796990A (en) * | 2021-01-06 | 2021-05-14 | 武昌首义学院 | Prevent leaking hydraulic oil pump convenient to debugging sealing port |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200714 Termination date: 20201209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |