CN209976872U

CN209976872U - Sealing structure based on submersible electric pump

Info

Publication number: CN209976872U
Application number: CN201920775434.7U
Authority: CN
Inventors: 李博; 李迪
Original assignee: Shenyang Hai Quan Submersible Electric Pump Co Ltd
Current assignee: Shenyang Hai Quan Submersible Electric Pump Co Ltd
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-01-21
Anticipated expiration: 2029-05-28

Abstract

The utility model discloses a seal structure based on submerged motor pump relates to the submerged motor pump field, including the charge pump main part, top one side of charge pump main part is provided with the hookup seat, top one side of hookup seat is provided with the motor, surface one side of charge pump main part is provided with the water inlet, and the surface opposite side of charge pump main part is provided with the delivery port, the inside center department of charge pump main part is provided with the pump shaft, one side that the inside of charge pump main part corresponds the pump shaft sets up first oil blanket, and just first oil blanket cup joints the outer wall at the pump shaft, the second oil blanket has been cup jointed to one side that the outer wall of pump shaft is close to. A seal structure based on submerged motor pump, can make the sealed effect of integrated device better, can be so that more accurate when the integrated device functions, life is more of a specified duration, has improved the accuracy of integrated device, brings better use prospect.

Description

Sealing structure based on submersible electric pump

Technical Field

The utility model relates to a submerged motor pump field specifically is a seal structure based on submerged motor pump.

Background

The submersible electric pump is a water pump with a pump body impeller and a motor driving the impeller submerged in water, and has two types of deep wells and working surfaces, so that the sealing performance of the submersible electric pump needs to be good enough, otherwise the normal operation of the submersible electric pump can be directly influenced, and the large and medium submersible electric pumps are used in large quantities in projects such as domestic engineering, mines, sewage treatment and municipal construction.

The existing submersible electric pump has certain disadvantages when in use, and after the existing submersible electric pump runs at a high speed for a long time, the situation that fine sealing is not good can be generated between the inner pump shaft and the pump body of the electric pump, so that the possibility of water seepage can be caused, the normal running of the whole device can be influenced, the operation is inconvenient, and certain influence is brought in the use process. Accordingly, those skilled in the art have provided a sealing structure based on a submersible electric pump to solve the problems set forth in the background art described above.

Disclosure of Invention

An object of the utility model is to provide a seal structure based on submerged motor pump to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the present invention provides the following technical solutions.

The utility model provides a seal structure based on submerged motor pump, includes the charge pump main part, top one side of charge pump main part is provided with the hookup seat, top one side of hookup seat is provided with the motor, surface one side of charge pump main part is provided with the water inlet, and the surface opposite side of charge pump main part is provided with the delivery port, the inside center department of charge pump main part is provided with the pump shaft, one side that the inside of charge pump main part corresponds the pump shaft sets up first oil blanket, and just first oil blanket cup joints the outer wall at the pump shaft, the second oil blanket has been cup jointed to one side that the outer wall of pump shaft.

As a further aspect of the present invention: one side of the interior of the electric pump main body, which is close to the first oil seal, is fixedly provided with a plurality of groups of clamping devices, one side of the interior of the electric pump main body, which is close to the clamping devices, is provided with a connecting plate, and one side of the outer surface of the connecting plate is fixedly provided with a top block.

As a further aspect of the present invention: the inside one side of chucking device is provided with first threaded rod, the equal fixed mounting in both ends that the inner wall of chucking device corresponds first threaded rod has footstep bearing, and the chucking device passes through footstep bearing and is connected with first threaded rod.

As a further aspect of the present invention: the outer end one side fixed mounting of first threaded rod has the knob, outer wall one side of first threaded rod is provided with the fixing base, and fixing base and connecting plate fixed connection.

As a further aspect of the present invention: the inner wall one side of fixing base is provided with the second threaded rod, and first threaded rod and second threaded rod intermeshing, inside one side fixed mounting of fixing base has the dwang, and the fixing base passes through the dwang and is connected with the second threaded rod rotation.

As a further aspect of the present invention: one side that chucking device's inside is close to the connecting plate is fixed mounting with the slide bar, and the slide bar runs through inside one side of connecting plate, the sliding tray has been seted up to the inside of slide bar, and the connecting plate passes through sliding tray and slide bar sliding connection.

As a further aspect of the present invention: the first oil seal and the second oil seal are identical in size and shape.

Compared with the prior art, the beneficial effects of the utility model are that.

1. Through the knob that sets up, when the inside sealed effect of integrated device need be improved to the user, then can be through rotatory knob, drive the second threaded rod through first threaded rod and rotate, thereby can drive the second threaded rod and slide at the outer wall of first threaded rod, thereby can drive the connecting plate through the second threaded rod and move, cooperation through the kicking block, thereby can tightly support first oil blanket between the pump shaft and the pump body, thereby can effectually seal the gap, thereby can improve the leakproofness of integrated device, convenient to use person uses, better for traditional mode.

2. Through the first oil blanket and the second oil blanket that set up, pour into oil toward between first oil blanket and the second oil blanket when using, increase the inside leakproofness of device through oil to can effectual improvement integrated device's use precision, secondly, can keep the inside lubricating degree of integrated device through oil, thereby can improve integrated device's life, convenient to use personnel use, better for traditional mode.

Drawings

Fig. 1 is a schematic structural diagram of a sealing structure based on a submersible electric pump.

Fig. 2 is a schematic diagram of the internal structure of an electric pump main body in a sealing structure based on a submersible electric pump.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

In the figure: 1. an electric pump body; 2. a coupling seat; 3. a motor; 4. a water inlet; 5. a water outlet; 6. a pump shaft; 7. a first oil seal; 8. a second oil seal; 9. a clamping device; 10. a connecting plate; 11. a top block; 12. a first threaded rod; 13. a thrust bearing; 14. a knob; 15. a fixed seat; 16. a second threaded rod; 17. a slide bar.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3, in an embodiment of the present invention, a sealing structure based on a submersible electric pump, includes an electric pump main body 1, a coupling seat 2 is disposed on one side of a top end of the electric pump main body 1, a motor 3 is disposed on one side of a top end of the coupling seat 2, a water inlet 4 is disposed on one side of a surface of the electric pump main body 1, a water outlet 5 is disposed on the other side of the surface of the electric pump main body 1, a pump shaft 6 is disposed at a center inside the electric pump main body 1, a first oil seal 7 is disposed on one side of the inside of the electric pump main body 1 corresponding to the pump shaft 6, the first oil seal 7 is sleeved on an outer wall of the pump shaft 6.

One side fixed mounting that the inside of charge pump main part 1 is close to first oil blanket 7 has multiunit chucking device 9, and one side that the inside of charge pump main part 1 is close to chucking device 9 is provided with connecting plate 10, and surface one side fixed mounting of connecting plate 10 has kicking block 11 to make the integrated device can withstand first oil blanket 7 through kicking block 11, thereby can improve the leakproofness of integrated device.

Inside one side of chucking device 9 is provided with first threaded rod 12, and the equal fixed mounting in both ends that the inner wall of chucking device 9 corresponds first threaded rod 12 has footstep bearing 13, and chucking device 9 passes through footstep bearing 13 and is connected with first threaded rod 12 to make the integrated device can drive the more stable rotation of first threaded rod 12 through footstep bearing 13.

A knob 14 is fixedly mounted on one side of the outer end of the first threaded rod 12, a fixing seat 15 is arranged on one side of the outer wall of the first threaded rod 12, and the fixing seat 15 is fixedly connected with the connecting plate 10, so that the integral device can drive the first threaded rod 12 to rotate through the knob 14.

Inner wall one side of fixing base 15 is provided with second threaded rod 16, and first threaded

rod

12 and 16 intermeshing of second threaded rod, and inside one side fixed mounting of fixing base 15 has the dwang, and fixing base 15 rotates through dwang and second threaded rod 16 to be connected to make integrated device can drive connecting plate 10 through second threaded rod 16 and carry out the oscilaltion.

One side fixed mounting that chucking device 9's inside is close to connecting plate 10 has slide bar 17, and slide bar 17 runs through inside one side of connecting plate 10, and the sliding tray has been seted up to slide bar 17's inside, and connecting plate 10 passes through sliding tray and slide bar 17 sliding connection to make connecting plate 10 can be through the gliding stability of cooperation of sliding tray and slide bar 17.

The first oil seal 7 and the second oil seal 8 are identical in size and shape, so that the whole device can increase the sealing performance of the whole device through the first oil seal 7 and the second oil seal.

The utility model discloses a theory of operation is: the utility model relates to a sealing structure based on a submersible electric pump, wherein an electric pump main body 1 of the device is connected with a motor 3 through a connecting seat 2, when a user needs to adjust the sealing property inside the electric pump main body 1, then the knob 14 arranged on the outer surface of the clamping device 9 can be rotated, the second threaded rod 16 arranged on the fixed seat 15 can be driven to rotate through the first threaded rod 12, thereby driving the second threaded rod 16 to slide up and down, driving the connecting plate 10 to move through the fixed seat 15, so that the first oil seal 7 can be propped against the top block 11, the sealing performance of the whole device can be effectively improved, a user can inject oil between the first oil seal 7 and the second oil seal 8, thereby can increase the sealed effect of integrated device through oil, can play the lubricated effect of integrated device again, convenient to use personnel use, comparatively practical.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a seal structure based on submerged motor pump, includes charge pump main part (1), its characterized in that, the top one side of charge pump main part (1) is provided with hookup seat (2), top one side of hookup seat (2) is provided with motor (3), surface one side of charge pump main part (1) is provided with water inlet (4), and the surface opposite side of charge pump main part (1) is provided with delivery port (5), the inside center department of charge pump main part (1) is provided with pump shaft (6), one side that the inside of charge pump main part (1) corresponds pump shaft (6) sets up first oil blanket (7), and first oil blanket (7) cup joint the outer wall at pump shaft (6), second oil blanket (8) have been cup jointed to one side that the outer wall of pump shaft (6) is close to first oil blanket (7).

2. The sealing structure based on the electric submersible pump is characterized in that a plurality of groups of clamping devices (9) are fixedly mounted on one side, close to the first oil seal (7), of the interior of the electric pump main body (1), a connecting plate (10) is arranged on one side, close to the clamping devices (9), of the interior of the electric pump main body (1), and a top block (11) is fixedly mounted on one side of the outer surface of the connecting plate (10).

3. The sealing structure based on the electric submersible pump is characterized in that a first threaded rod (12) is arranged on one side of the inner portion of the clamping device (9), thrust bearings (13) are fixedly mounted on the two ends, corresponding to the first threaded rod (12), of the inner wall of the clamping device (9), and the clamping device (9) is connected with the first threaded rod (12) through the thrust bearings (13).

4. The sealing structure based on the electric submersible pump is characterized in that a knob (14) is fixedly installed on one side of the outer end of the first threaded rod (12), a fixed seat (15) is arranged on one side of the outer wall of the first threaded rod (12), and the fixed seat (15) is fixedly connected with the connecting plate (10).

5. The sealing structure based on the electric submersible pump is characterized in that a second threaded rod (16) is arranged on one side of the inner wall of the fixed seat (15), the first threaded rod (12) is meshed with the second threaded rod (16), a rotating rod is fixedly mounted on one side of the inside of the fixed seat (15), and the fixed seat (15) is rotatably connected with the second threaded rod (16) through the rotating rod.

6. The sealing structure based on the electric submersible pump according to claim 2, characterized in that a sliding rod (17) is fixedly installed inside the clamping device (9) on one side close to the connecting plate (10), the sliding rod (17) penetrates through one side inside the connecting plate (10), a sliding groove is formed inside the sliding rod (17), and the connecting plate (10) is slidably connected with the sliding rod (17) through the sliding groove.

7. The sealing structure based on the electric submersible pump according to claim 1, characterized in that the first oil seal (7) and the second oil seal (8) are the same in size and shape.