CN210240029U

CN210240029U - Novel anti-seepage mechanism of oil-submersible pump

Info

Publication number: CN210240029U
Application number: CN201921162718.5U
Authority: CN
Inventors: Haiqiu Cai; 蔡海秋
Original assignee: Jingjiang Shuangjiu Pump Valve Manufacturing Co Ltd
Current assignee: Jingjiang Shuangjiu Pump Valve Manufacturing Co Ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-04-03
Anticipated expiration: 2029-07-23

Abstract

The utility model belongs to the technical field of the submersible pump, especially, be a novel antiseep mechanism of submersible pump, including pump case and mounting flange dish, the pump case is the open cavity in top, the center of pump case inner chamber bottom surface is equipped with the toper connector, mounting flange dish's bottom surface is connected with the sealed piece of toper with one heart, the middle part gomphosis of mounting flange dish top surface is connected with the bearing, the inner circle through connection of bearing has the drive shaft, the outer disc of drive shaft has concatenated first sealing washer, the middle part of drive shaft runs through the hole of the sealed piece of toper. The utility model discloses an antiseep sealing mechanism is constituteed to the first sealing washer of mounting flange dish, the sealed piece of toper, bearing and drive shaft and gomphosis of each other, second sealing washer, and the quick whole of being convenient for takes out to change and maintains, treats to change to imbed the toper connector of toper sealed piece bottom again after maintaining, and the avris of four wrench movement carousel pressfitting mounting flange dishes of wrench movement just can realize quick installation.

Description

Novel anti-seepage mechanism of oil-submersible pump

Technical Field

The utility model relates to an oil-submersible pump technical field specifically is a novel oil-submersible pump's antiseep mechanism.

Background

The oil-submersible pump is the equipment that is used for the oil depot pump oil, the oil-submersible pump utilizes the principle of malleation propelling movement, fundamentally has stopped the air lock phenomenon, thoroughly solved self priming pump at high temperature environment, high lift, the problem that can not solve under the remote condition, if produce oil few (gas-liquid two-phase), environmental pollution, can not produce oil even, in addition, the oil-submersible pump of filling station can a pump band multigun (4-8 rifle), the self priming pump can only a pump rifle, so the oil pipe way has been simplified to the oil-submersible pump, brought very big facility for installation and maintenance, the price/performance ratio is highest, the oil-submersible pump roughly can divide into four kinds according to its predominant use: the oil-submersible pump for gas stations, the large-flow high-lift oil-submersible pump for oil depots (tankers), the oil-submersible pump for railway tank cars (oil filling pipes) and the chemical explosion-proof submersible pump with inflammable and explosive media.

The current anti-leakage mechanism of the submersible pump has the following problems:

1. the sealing ring used at the reunion position of the anti-leakage mechanism of the prior submersible pump is easy to wear, thus leading to the increase of maintenance time and difficult replacement.

2. The sealing rings of the anti-leakage mechanism of the prior submersible pump are separated from each other and are sealed only by the elasticity of the sealing rings, so that the sealing effect is poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a novel antiseep mechanism of submersible pump has solved among the prior art submersible pump's antiseep mechanism and has changed the difficulty when wearing and tearing to and the elasticity that relies on the sealing washer alone seals, the relatively poor problem of sealed effect.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: an anti-leakage mechanism of a novel submersible pump comprises a pump shell and a mounting flange plate, wherein the pump shell is a cavity with an opening at the top end, a conical connecting port is arranged at the center of the bottom surface of the inner cavity of the pump shell, a conical sealing block is concentrically connected with the bottom surface of the mounting flange, the middle part of the top surface of the mounting flange plate is embedded and connected with a bearing, the inner ring of the bearing is connected with a driving shaft in a penetrating way, the outer circular surface of the driving shaft is connected with a first sealing ring in series, the middle part of the driving shaft penetrates through the inner hole of the conical sealing block, the inner hole of the conical sealing block is connected with a second sealing ring in an embedded manner, the first sealing ring and the second sealing ring are mutually embedded, the utility model discloses a pump casing, including pump case, conical connection mouth gomphosis conical sealing piece, the avris of pump case inner chamber bottom surface is fixed with four wrench movement carousels through the round pin axle vertical fixation, four the bottom surface of wrench movement carousel is protruding disc structure, four the wrench movement carousel passes through protruding disc pressfitting the avris of mounting flange dish top surface.

As a preferred technical scheme of the utility model, the border of pump case bottom is connected with the pump chamber, the middle part of pump chamber is passed through the bearing rotates and is connected with the driven shaft, the bottom surface of drive shaft concatenates and is fixed with first tooth-like shaft coupling, the top of driven shaft concatenates and is fixed with second tooth-like shaft coupling, the bottom surface meshing of first tooth-like shaft coupling is connected the top surface of second tooth-like shaft coupling.

As a preferred technical scheme of the utility model, the top of drive shaft concatenates and is fixed with driven gear, one side of pump case inner chamber is fixed with the motor, the output shaft of motor has concatenated the driving gear, the driving gear meshing driven gear.

As an optimized technical scheme of the utility model, first sealing washer with the second sealing washer is V type sealing washer or U type sealing washer.

As an optimized technical scheme of the utility model, the junction of toper connector and toper sealing block is equipped with the annular gasket.

As the utility model discloses a preferred technical scheme, one side of pump chamber is equipped with the oil-out, the oil-out passes through ring flange turn-on connection oil outlet pipe way.

(III) advantageous effects

Compared with the prior art, the utility model provides a novel submersible pump's antiseep mechanism possesses following beneficial effect:

1. the anti-leakage mechanism of the novel submersible pump comprises an installation flange plate, a conical sealing block, a bearing, a driving shaft, a first sealing ring and a second sealing ring which are mutually embedded, so that the anti-leakage sealing mechanism is convenient to quickly and integrally take out for replacement and maintenance, the conical sealing block is embedded into a conical connecting port at the bottom of a pump shell again after the replacement and maintenance are finished, and the quick installation can be realized by twisting four twisting rotary tables and pressing the sides of the installation flange plate;

2. this novel antiseep mechanism of submersible pump, first sealing washer are V type sealing washer or U type sealing washer with the second sealing washer, and V type sealing washer or U type sealing washer opening part gomphosis each other form labyrinth effect between two sealing washers to obtain better sealed effect, strengthen the function of antiseep.

Drawings

FIG. 1 is a schematic view of the subjective structure of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

fig. 3 is a schematic view of the installation positions of the first sealing ring and the second sealing ring of the present invention.

In the figure: 1. a pump housing; 2. a tapered connection port; 3. mounting a flange plate; 4. a conical sealing block; 5. a bearing; 6. a drive shaft; 7. a first seal ring; 8. a second seal ring; 9. twisting the turntable; 10. a convex round surface; 11. a pump chamber; 12. a driven shaft; 13. a first tooth coupling; 14. a second tooth coupling; 15. a driven gear; 16. an electric motor; 17. a driving gear; 18. an oil outlet; 19. an oil outlet pipeline; 20. an annular seal.

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.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a novel antiseep mechanism of oil-submersible pump, including pump case 1 and mounting flange dish 3, pump case 1 is the open cavity in top, the center of 1 inner chamber bottom surface of pump case is equipped with toper connector 2, mounting flange dish 3's bottom surface is connected with toper sealing block 4 with one heart, the middle part gomphosis of 3 top surfaces of mounting flange dish is connected with bearing 5, the inner circle through connection of bearing 5 has drive shaft 6, first sealing washer 7 has been concatenated to the outer disc of drive shaft 6, the hole of toper sealing block 4 is run through at the middle part of drive shaft 6, the hole gomphosis of toper sealing block 4 is connected with second sealing washer 8, first sealing washer 7 and the gomphosis of 8 each other of second sealing washer, 2 gomphosis toper sealing block 4 of toper connector, the avris of 1 inner chamber bottom surface of pump case has four wrench movement carousel 9 through round pin axle vertical fixation, the bottom surface of four wrench movement carousel 9 is protruding disc 10 structures.

In this embodiment, the mounting flange 3, the conical sealing block 4, the bearing 5, the driving shaft 6, the first sealing ring 7 and the second sealing ring 8 which are mutually embedded form an anti-leakage sealing mechanism, because the first sealing ring 7 and the second sealing ring 8 are mutually embedded, when the inner holes of the driving shaft 6 and the conical sealing block 4 are respectively sealed, a labyrinth sealing mechanism is also formed between the two, thereby enhancing the sealing performance, when the first sealing ring 7 and the second sealing ring 8 are aged due to overlong use time or need to be periodically replaced and maintained, the four twisting turntables 9 can be unscrewed at this time, the convex circular surface 10 is not pressed on the side of the top surface of the mounting flange 3, so that the anti-leakage sealing mechanism formed by the mounting flange 3, the conical sealing block 4, the bearing 5, the driving shaft 6, the first sealing ring 7 and the second sealing ring 8 which are mutually embedded is integrally taken out for replacement and maintenance, and after replacement and maintenance are finished, the pump casing is placed into the conical connecting port 2 at the bottom of the pump casing 1 again, and quick installation is realized.

Specifically, the edge of the bottom end of the pump shell 1 is connected with a pump cavity 11, the middle part of the pump cavity 11 is rotatably connected with a driven shaft 12 through a bearing 5, the bottom surface of the driving shaft 6 is fixedly connected with a first toothed coupler 13 in series, the top end of the driven shaft 12 is fixedly connected with a second toothed coupler 14 in series, and the bottom surface of the first toothed coupler 13 is meshed with the top surface of the second toothed coupler 14.

In this embodiment, the pump cavity 11 is used for storing and guiding the pumped oil, the bottom end of the driven shaft 12 extends to the working part of the pump connected in the oil tank, the driving shaft 6 drives the driven shaft 12 to rotate through the first gear coupling 13 and the second gear coupling 14, so as to drive the working part in the oil tank to rotate, the oil is pumped out, and the pumped oil reaches the pump cavity 11 for temporary storage, so as to perform oil distribution.

Specifically, the top end of the driving shaft 6 is connected in series and fixed with a driven gear 15, one side of the inner cavity of the pump shell 1 is fixed with a motor 16, the output shaft of the motor 16 is connected in series with a driving gear 17, and the driving gear 17 is meshed with the driven gear 15.

In this embodiment, the motor 16 is engaged with the driven gear 15 through the driving gear 17 to rotate, and then the driven shaft 12 is driven to rotate through the driving shaft 6 and the first gear coupling 13, so as to realize the oil pumping operation, wherein the driving gear 17 and the driven gear 15 can flexibly move in the axial direction of the gear disc, so that the anti-leakage sealing mechanism composed of the mounting flange 3, the conical sealing block 4, the bearing 5 and the driving shaft 6 can be disassembled without disassembling the motor 16, so as to realize the purpose of quickly replacing the first sealing ring 7 and the second sealing ring 8 therein.

Specifically, the first seal ring 7 and the second seal ring 8 are V-shaped seal rings or U-shaped seal rings.

In this embodiment, V type sealing washer or U type sealing washer homoenergetic characteristic carry out good sealedly to the contact site, the utility model discloses in V type sealing washer or the gomphosis of U type sealing washer opening part each other of adopting, form labyrinth effect between two sealing washers to obtain better sealed effect, strengthen the function of antiseep.

Specifically, an annular sealing gasket 20 is arranged at the joint of the conical connecting port 2 and the conical sealing block 4.

In this embodiment, the annular is sealed 20 and is realized better sealed effect, reinforcing to the junction of conical connection mouth 2 and the sealed piece 4 of toper the utility model discloses the prevention of seepage permeability ability of submersible pump.

Specifically, an oil outlet 18 is arranged on one side of the pump cavity 11, and the oil outlet 18 is connected with an oil outlet pipeline 19 in a conduction mode through a flange.

In this embodiment, the oil that takes out from the oil tank is discharged from oil-out 18 and oil outlet pipe 19 behind pump chamber 11, realizes the utility model discloses oil-submersible pump's the process of producing oil.

The first seal ring 7, the second seal ring 8 and the motor 16 in the present embodiment are known technologies that have been disclosed to be widely used in daily life.

The utility model discloses a theory of operation and use flow: the mounting flange 3, the conical sealing block 4, the bearing 5, the driving shaft 6, the first sealing ring 7 and the second sealing ring 8 which are mutually embedded form an anti-leakage sealing mechanism, the first sealing ring 7 and the second sealing ring 8 are V-shaped sealing rings or U-shaped sealing rings, and the V-shaped sealing rings or the U-shaped sealing rings can well seal contact parts by utilizing the elastic characteristic of the V-shaped sealing rings or the U-shaped sealing rings;

when the first sealing ring 7 and the second sealing ring 8 are aged due to overlong service time or need to be replaced and maintained periodically, the four twisting turntables 9 can be unscrewed, the convex circular surfaces 10 are not pressed on the sides of the top surface of the mounting flange plate 3, so that the mounting flange plate 3, the conical sealing block 4, the bearing 5, the driving shaft 6, the anti-leakage sealing mechanism formed by the first sealing ring 7 and the second sealing ring 8 which are embedded mutually are integrally taken out for replacement and maintenance, and the anti-leakage sealing mechanism is put into the conical connecting port 2 at the bottom of the pump shell 1 again after the replacement and maintenance is finished, thereby realizing rapid installation.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a novel submersible pump's antiseep mechanism, includes pump case (1) and mounting flange dish (3), its characterized in that: the pump shell (1) is a cavity with an open top end, a conical connecting port (2) is arranged at the center of the bottom surface of an inner cavity of the pump shell (1), a conical sealing block (4) is concentrically connected to the bottom surface of a mounting flange plate (3), a bearing (5) is embedded in the middle of the top surface of the mounting flange plate (3), an inner ring of the bearing (5) is connected with a driving shaft (6) in a penetrating manner, a first sealing ring (7) is connected in series with an outer circular surface of the driving shaft (6), a hole of the conical sealing block (4) is penetrated through the middle of the driving shaft (6), a second sealing ring (8) is embedded in the hole of the conical sealing block (4), the first sealing ring (7) and the second sealing ring (8) are mutually embedded, the conical connecting port (2) is embedded in the conical sealing block (4), four twisting turntables (9) are vertically fixed on the lateral side of, four the bottom surface of wrench movement carousel (9) is convex round face (10) structure, four wrench movement carousel (9) is through convex round face (10) pressfitting the avris of mounting flange dish (3) top surface.

2. The anti-leakage mechanism of the submersible pump of claim 1, which is characterized in that: the edge of pump case (1) bottom is connected with pump chamber (11), the middle part of pump chamber (11) is passed through bearing (5) rotate and are connected with driven shaft (12), the bottom surface of drive shaft (6) concatenates and is fixed with first tooth coupling (13), the top of driven shaft (12) concatenates and is fixed with second tooth coupling (14), the bottom surface meshing of first tooth coupling (13) is connected the top surface of second tooth coupling (14).

3. The anti-leakage mechanism of the submersible pump of claim 1, which is characterized in that: the top end of the driving shaft (6) is fixedly connected with a driven gear (15) in series, one side of the inner cavity of the pump shell (1) is fixedly provided with an electric motor (16), an output shaft of the electric motor (16) is connected with a driving gear (17) in series, and the driving gear (17) is meshed with the driven gear (15).

4. The anti-leakage mechanism of the submersible pump of claim 1, which is characterized in that: the first sealing ring (7) and the second sealing ring (8) are V-shaped sealing rings or U-shaped sealing rings.

5. The anti-leakage mechanism of the submersible pump of claim 1, which is characterized in that: and an annular sealing gasket (20) is arranged at the joint of the conical connecting port (2) and the conical sealing block (4).

6. The anti-leakage mechanism of the submersible pump of claim 2, which is characterized in that: an oil outlet (18) is formed in one side of the pump cavity (11), and the oil outlet (18) is communicated with an oil outlet pipeline (19) through a flange.