CN209925213U

CN209925213U - Sewage pump for engineering

Info

Publication number: CN209925213U
Application number: CN201920791837.0U
Authority: CN
Inventors: 金兴文
Original assignee: Mike Engineering Design (tianjin) Co Ltd
Current assignee: Mike Engineering Design (tianjin) Co Ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-01-10
Anticipated expiration: 2029-05-29

Abstract

The utility model provides a sewage extraction pump for engineering, belong to the sewage treatment technical field of mill, the motor sets up in the motor case, the gear assembly sets up in the case of intaking, the suction pump sets up at case lower extreme water inlet department of intaking, the impeller sets up in the pump body, pivot one end is connected with the motor drive axle head, the other end passes the case of intaking and extends to inside the pump body, motor drive intake pump and impeller rotation are passed through in the pivot, sewage gets into the case of intaking through the suction pump, flow to valve department along with the impeller rotation, valve one side is the delivery port, the gear assembly includes the worm wheel, the worm, first gear and second gear, the worm sets up in the pivot, the two coaxial rotation, worm and worm wheel meshing transmission, worm wheel and the coaxial rotation of first gear, first gear and second gear meshing transmission, the second gear setting is in suction pump top and the two coaxial rotation. The utility model discloses set up a plurality of helping hand wheels, helping hand wheel rotates and accelerates velocity of water, and velocity of water is also accelerated to the chute on the impeller shroud inner wall.

Description

Sewage pump for engineering

Technical Field

The utility model belongs to the technical field of the sewage treatment of mill, a sewage extraction pump for engineering is related to.

Background

The submersible pumps can be roughly classified into a clear water submersible pump, a sewage submersible pump and a seawater submersible pump (with corrosiveness). At present, a common submersible pump comprises a main body and a pump shell, wherein the main body is provided with a machine shell, a rotor and a stator in the machine shell, and a water chamber and an impeller are arranged in the pump shell.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to provide a novel structure for the engineering sewage extraction pump of rivers speed of flow.

For solving the technical problem the utility model discloses a technical scheme be:

sewage extraction pump for engineering, including motor, pivot, gear assembly, suction pump, impeller and valve, the motor sets up in the motor case, the gear assembly sets up in the case of intaking, the suction pump sets up in case lower extreme water inlet department of intaking, the impeller sets up in the pump body, pivot one end is connected with motor drive axle head, and the other end passes the case of intaking and extends to inside the pump body, the case of intaking communicates with each other with the pump body and sets up, motor drive suction pump and impeller rotation are passed through to the pivot, and sewage passes through the suction pump and gets into in the case of intaking, rotates along with the impeller and flows to valve department, valve one side is the delivery port, the gear assembly includes worm wheel, worm, first gear and second gear, the worm sets up in the pivot, and the two is coaxial to rotate, worm wheel and the worm wheel meshing transmission, worm wheel and the coaxial rotation of first gear, first gear and second gear meshing transmission, the second gear is arranged above the water suction pump and rotates coaxially with the water suction pump.

Furthermore, the worm wheel and the first gear are arranged on a first shaft, the second gear and the water suction pump are arranged on a second shaft, and the first shaft and the second shaft are both fixed on the water inlet tank.

Furthermore, the impeller sets up quantity and is a plurality ofly, two be provided with helping hand wheel and water guide lid between the impeller, helping hand wheel sets up in the water guide lid, the water guide lid sets up between adjacent impeller and impeller cover, the water guide lid is the same with impeller maximum diameter, the impeller all sets up in the impeller cover.

Furthermore, a plurality of chutes are formed in the inner wall of the impeller cover, one ends of the chutes are arranged between two adjacent first water guide pieces on the impeller, the other ends of the chutes are arranged between two adjacent second water guide pieces on the impeller cover, the first water guide pieces are bent from the center to the chutes, and the second water guide pieces are bent from the chutes to the center.

Furthermore, a rotation stopping key is arranged between the connection of the impellers and the rotating shaft, a plurality of bearings are arranged on the rotating shaft, and one bearing is arranged on the rotating shaft between every two adjacent impellers.

Furthermore, the valve is a check valve, the check valve is arranged in the connecting cover, one end of the connecting cover is connected with the pump body, the other end of the connecting cover is connected with the water outlet cover, a water outlet is formed in the side end face of the water outlet cover, a valve cover is arranged between the check valve and the adjacent impeller, and sewage flows to the check valve through the valve cover.

Compared with the prior art, the utility model has the advantages and positive effect as follows.

1. The utility model discloses a cost is saved through control suction pump and impeller rotation to a motor, and the suction pump is internal with the sewage suction intake case, through the case flow direction pump of intaking, covers water guide piece along with impeller and flows to valve department, and sewage leans on water pressure to open the valve and flows by the delivery port.

2. The utility model discloses all be provided with helping hand wheel between two impellers, helping hand wheel increases the velocity of water along with the pivot rotates.

3. The utility model discloses the impeller casing inner wall is provided with the chute, and chute one end sets up on the impeller between the adjacent first water guide piece, and the other end setting is on the impeller casing between the adjacent second water guide piece, and water flows to the chute through first water guide piece, and the chute is again through to, second water guide piece center flows for the velocity of flow.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

FIG. 1 is a schematic view of the whole section of the engineering sewage pump of the present invention;

FIG. 2 is a schematic view of the engineering sewage pump of the present invention;

FIG. 3 is a schematic view of the internal structure of the sewage pump for engineering of the present invention;

fig. 4 is a schematic structural view of the gear assembly of the present invention;

FIG. 5 is a schematic view of the water inlet of the present invention;

fig. 6 is a schematic plan view of the impeller and the impeller cover of the present invention.

Description of reference numerals:

1. a motor; 2. a motor case; 4. a water inlet tank; 5. a pump body; 6. a rotating shaft; 7. a valve cover; 8. a connecting cover; 9. a check valve; 10. a water outlet cover; 11. a water outlet; 12. a worm gear; 13. a worm; 14. a first gear; 15. a second gear; 16. a water pump; 17. a first shaft; 18. a second shaft; 19. a rotation stop key; 20. a power-assisted wheel; 21. an impeller; 22. a bearing; 23. a water guide cover; 24. an impeller housing; 25. a water inlet; 26. a chute; 27. a first water guide sheet; 28. and a second water guide sheet.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 6, the engineering sewage extraction pump comprises a motor 1, a rotating shaft 6, a gear assembly, a water pump 16, an impeller 21 and a valve, wherein the motor 1 is arranged in a motor tank 2, the gear assembly is arranged in a water inlet tank 4, the water pump 16 is arranged at a water inlet 25 at the lower end of the water inlet tank 4, the impeller 21 is arranged in a pump body 5, one end of the rotating shaft 6 is connected with a driving shaft end of the motor 1, the other end of the rotating shaft penetrates through the water inlet tank 4 and extends into the pump body 5, the water inlet tank 4 is communicated with the pump body 5, the rotating shaft 6 drives the water pump 16 and the impeller 21 to rotate through the motor 1, sewage enters the water inlet tank 4 through the water pump 16 and flows to the valve along with the rotation of the impeller 21, a water outlet 11 is arranged at one side of the valve, the gear assembly comprises a worm wheel 12, a worm 13, a first gear 14 and a, the worm wheel 12 and the first gear 14 rotate coaxially, the first gear 14 and the second gear 15 are in meshing transmission, the second gear 15 is arranged above the water suction pump 16 and rotates coaxially, the water suction pump 16 sucks sewage into the water inlet tank 4, the sewage flows into the pump body 5 through the water inlet tank 4 and flows to a valve along with the rotation 21 of the impeller, and the sewage opens the valve by water pressure and flows out from a water outlet.

As shown in fig. 3 and 4, preferably, the worm wheel 12 and the first gear 14 are arranged on a first shaft 17, the second gear 15 and the water pump 16 are arranged on a second shaft 18, the first shaft 17 and the second shaft 18 are both fixed on the water inlet tank 4, the motor 1 controls the rotation of the rotating shaft 3, the rotating shaft 3 drives the worm 13 to rotate, the worm 13 is in meshed transmission with the worm wheel 12, the worm wheel 12 drives the first gear 14 to coaxially rotate, the first gear 14 is in meshed transmission with the second gear 15, and the second gear 15 drives the water pump 16 to rotate, so that a water pumping effect is achieved.

As shown in fig. 1 and 3, preferably, a plurality of impellers 21 are provided, an assisting wheel 20 and a water guide cover 23 are provided between two impellers 21, the assisting wheel 20 is provided in the water guide cover 23, the water guide cover 23 is provided between adjacent impellers 21 and an impeller cover 24, the maximum diameter of the water guide cover 23 is the same as that of the impellers 21, the impellers 21 are all provided in the impeller cover 24, the assisting wheel 20 rotates along with the rotating shaft 6 to increase the water flow speed, and the water guide cover 23 guides water to the middle position of the impeller 21.

As shown in fig. 6, preferably, a plurality of chutes 26 are formed in the inner wall of the impeller cover 24, one end of each chute 26 is disposed between two adjacent first water guide blades 27 on the impeller 21, the other end of each chute 26 is disposed between two adjacent second water guide blades 28 on the impeller cover 24, the first water guide blades 27 are bent from the center to the chute 26, the second water guide blades 28 are bent from the chute 26 to the center, and water flows to the chutes 26 through the first water guide blades 27 and then flows to the center of the second water guide blades 28 through the chute 26, so as to accelerate the flow rate of water.

As shown in fig. 3, preferably, a rotation stop key 19 is disposed between the connection of the impellers 21 and the rotating shaft 6, a plurality of bearings 22 are disposed on the rotating shaft 6, one bearing 22 is disposed on the rotating shaft 6 between two adjacent impellers 21, and the bearings are disposed too long on the rotating shaft 6 to prevent bending deformation.

As shown in fig. 1, preferably, the valve is a check valve 9, the check valve 9 is disposed in the connecting cover 8, one end of the connecting cover 8 is connected to the pump body 5, the other end is connected to the water outlet cover 10, a water outlet 11 is disposed on the end face of the water outlet cover 10, the valve cover 7 is disposed between the check valve 9 and the adjacent impeller 21, sewage flows to the check valve 9 through the valve cover 7, when the water pressure is higher than the pressure of the check valve 9, the check valve 9 is opened, and water flows out through the water outlet, so as to realize sewage extraction.

The actual working process is that the motor 1 is arranged in the motor box 2, the motor box 2 is sequentially connected with the water inlet tank 4, the pump body 5, the connecting cover 8 and the water outlet cover 10, the driving end of the motor 1 is connected with one end of the rotating shaft 6, the other end of the rotating shaft 6 penetrates through the motor box 2 and the water inlet tank 4 and extends into the pump body 5, the rotating shaft 6 drives the water suction pump 16 and the impeller 21 to rotate through the motor 1, the rotating shaft 6 is provided with the worm 13, the worm 13 is in meshing transmission with the worm wheel 12, the worm wheel 12 drives the first gear 14 to coaxially rotate, the first gear 14 is in meshing transmission with the second gear 15 on one side, the second gear 15 drives the water suction pump 16 to coaxially rotate, the water suction pump 16 sucks sewage into the water inlet tank 4 and flows to the pump body 5 through the water inlet tank 4, the number of the impellers 21 is multiple, the outer ring of each impeller 21 corresponds, The water guide cover 23 concentrates flowing water to the middle of an adjacent impeller 21, a chute 26 is arranged on the inner wall of a cover of the impeller 21, one end of the chute 26 is arranged between adjacent first water guide pieces 27 on the impeller 21, the other end of the chute 26 is arranged between adjacent second water guide pieces 28 on the cover of the impeller 21, the water flows to the chute 26 through the first water guide pieces 27 and then flows to the center of the second water guide pieces 28 through the chute 26, the flow rate of the water flow is accelerated, a valve cover 7 is arranged between the tail end impeller 21 and the check valve 9, sewage flows to the check valve 9 through the valve cover 7, and the check valve 9 is opened by water pressure and flows out from the water outlet 11.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Sewage extraction pump for engineering, its characterized in that: including motor (1), pivot (6), gear assembly, suction pump (16), impeller (21) and valve, motor (1) sets up in motor case (2), the gear assembly sets up in case (4) of intaking, suction pump (16) set up and are being intake case (4) lower extreme water inlet (25) department, impeller (21) set up in the pump body (5), pivot (6) one end is connected with motor (1) drive axle head, and the other end passes and intakes case (4) and extends to inside the pump body (5), it communicates with each other with the setting of the pump body (5) to intake case (4), and pivot (6) are rotated through motor (1) drive suction pump (16) and impeller (21), and sewage enters into case (4) through suction pump (16), flows to valve department along with impeller (21) rotation, valve one side is delivery port (11), the gear assembly includes worm wheel (12), Worm (13), first gear (14) and second gear (15), worm (13) set up in pivot (6), and the two coaxial rotation, worm (13) and worm wheel (12) meshing transmission, worm wheel (12) and first gear (14) coaxial rotation, first gear (14) and second gear (15) meshing transmission, second gear (15) set up in suction pump (16) top and the coaxial rotation of the two.

2. The pump of claim 1, wherein: the worm wheel (12) and the first gear (14) are arranged on a first shaft (17), the second gear (15) and the water suction pump (16) are arranged on a second shaft (18), and the first shaft (17) and the second shaft (18) are both fixed on the water inlet tank (4).

3. The pump of claim 1, wherein: impeller (21) set up quantity and be a plurality ofly, two be provided with helping hand wheel (20) and water guide lid (23) between impeller (21), helping hand wheel (20) set up in water guide lid (23), water guide lid (23) set up between adjacent impeller (21) and impeller cover (24), water guide lid (23) are the same with impeller (21) maximum diameter, impeller (21) all set up in impeller cover (24).

4. The pump of claim 3, wherein: the impeller cover is characterized in that a plurality of chutes (26) are formed in the inner wall of the impeller cover (24), one ends of the chutes (26) are arranged between two adjacent first water guide blades (27) on the impeller (21), the other ends of the chutes (26) are arranged between two adjacent second water guide blades (28) on the impeller cover (24), the first water guide blades (27) are bent from the center to the chutes (26), and the second water guide blades (28) are bent from the chutes (26) to the center.

5. The pump of claim 1, wherein: the impeller (21) and the rotating shaft (6) are connected with each other through a rotation stopping key (19), the rotating shaft (6) is provided with a plurality of bearings (22), and the rotating shaft (6) between every two adjacent impellers (21) is provided with one bearing (22).

6. The pump of claim 1, wherein: the check valve (9) is arranged in the connecting cover (8), one end of the connecting cover (8) is connected with the pump body (5), the other end of the connecting cover is connected with the water outlet cover (10), a water outlet (11) is formed in the end face of the side of the water outlet cover (10), a valve cover (7) is arranged between the check valve (9) and the adjacent impeller (21), and sewage flows to the check valve (9) through the valve cover (7).