CN212803604U - Horizontal sewage pump - Google Patents

Abstract

The utility model relates to a horizontal sewage pump, which comprises a pump body and a rotating motor, wherein the pump body is provided with a suction pipe and a diversion chamber which are communicated, an impeller is arranged in the diversion chamber, a motor shaft of the rotating motor is connected with a pump shaft, the pump body is provided with a water tank which is communicated with a through hole and is connected with the outer wall of the suction pipe and the pump body, the water tank is provided with a water filling port, an outlet pipe and an exhaust valve, one side of the diversion chamber is provided with a shaft seat, the shaft seat is provided with a bearing which is sleeved outside the pump shaft, an oil chamber which is arranged outside the bearing is arranged in the shaft seat, one side of the bearing is provided with a gland, the end part of the pump shaft is provided with a stirrer which is arranged in the suction pipe, sewage medium is fed by the suction pipe, the impeller centrifugally pumps in the diversion chamber, the sewage medium enters the water tank, avoid blocking up, improved the blowdown ability, satisfy the user demand.

Description

Horizontal sewage pump

Technical Field

The utility model relates to a water pump, especially a horizontal blowdown water pump.

Background

The horizontal sewage pump is a pump product with the pump and the motor connected, has smaller floor area compared with the vertical sewage pump, and is widely applied to suction matching systems of occasions containing solid shells or fibers and precipitated slurry, such as enterprise wastewater, urban sewage treatment, slurry discharge, tap water supply, farmland irrigation, exploration mines, water treatment, fire fighting systems and the like. The horizontal sewage pump in the prior art generally adopts a pipeline pump body to be internally provided with an impeller, a pump shaft electric impeller driven by a rotary motor synchronously rotates to generate high-speed centrifugation to convey a medium of a pump suction pipe to a volute outlet for pumping, and the impeller and a pump body flow channel are easily blocked due to the small buckling diameter of a suction pipeline and an outlet pipeline and the agglomeration performance of a sewage medium, and meanwhile, the liquid storage in the pump body is insufficient, the priming is difficult to realize, so that the operation is difficult, the sewage discharge capability is poor, and the use is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at prior art's defect, provide a horizontal blowdown water pump, dynamic balance supports stably to guarantee that the action is reliable, the dismouting is connected and is changed conveniently, has from inhaling function and convenient operation, and the stirring is broken up and is avoided the blowdown medium to reunite and block up the impeller, avoids blockking up, has improved the blowdown ability, satisfies the user demand.

The utility model discloses a realize through following technical scheme:

a horizontal sewage pump comprises a pump body and a rotating motor, wherein a suction pipe and a diversion chamber which are communicated are arranged on the pump body, an impeller is arranged in the diversion chamber, a motor shaft of the rotating motor is connected with a pump shaft which rotates synchronously with the impeller, a through hole is formed in the diversion chamber, a water tank which is communicated with the through hole and is connected with the suction pipe and the outer wall of the pump body is arranged on the pump body, a water filling port and an outlet pipe are arranged at the top of the water tank, and an exhaust valve is arranged on the side wall of the water;

a shaft seat connected with the pump body is arranged on one side of the diversion chamber, a first boss in clearance fit with one side of the impeller is arranged in the diversion chamber, a second boss is arranged on the impeller, and a third boss in clearance fit with the inner wall of the second boss is arranged on the shaft seat;

the pump comprises a pump body, a pump shaft seat, a pump cover, a pump shaft and a pump cover, wherein the pump shaft is provided with a pump shaft, the pump shaft is provided with a bearing sleeved outside the pump shaft, the pump shaft is provided with a first annular groove, one side of the bearing is provided with a gland sleeved outside the first annular groove and connected with the pump shaft seat and a rotating motor, the pump body is provided with a second annular groove, and the pump shaft;

the bearing seat is provided with a fifth boss in clearance fit with the outside of the bearing, an oil chamber positioned outside the bearing is arranged in the bearing seat, the top of the oil chamber side is provided with an oil plug, and sealing gaskets are arranged among the bearing, the bearing seat and the gland;

the pump shaft end is provided with a stirrer arranged in the suction pipe, and the stirrer comprises a first annular plate connected with the pump shaft, a plurality of stirring blades arranged around the outer wall of the first annular plate at intervals, and a second annular plate connected with the ends of the stirring blades.

The utility model has the advantages that:

(1) the first boss of the diversion chamber is in clearance fit with the impeller for limiting, the inner wall of the second boss is in clearance fit with the third boss of the shaft seat for positioning and installing the impeller, the shaft seat is in clearance fit with the second annular groove of the pump body through the fourth boss, a sealing gasket and a bearing which are positioned outside the pump shaft are sleeved in the fifth boss, the sealing effect of the pump shaft position is achieved, lubricating oil is injected into the oil chamber to ensure the lubricating property between the bearing and the pump shaft, the structure is compact, the dynamic balance support is stable, the action is reliable, and the disassembly, assembly, connection and replacement are convenient;

(2) to water injection complement water storage impeller in the water tank with the high-speed centrifugal pumping of water storage in rotatory in-process, smuggle the air and draw from discharge valve and make the pump form certain vacuum secretly, reach from inhaling the effect and avoid leading water to fill hard operation, the agitator breaks up the blowdown medium along with the pump shaft rotation, avoid the blowdown medium to reunite and block up the impeller, the impeller makes the blowdown medium get into the water tank in the through-hole at the indoor centrifugal pumping of leading water, finally discharge from the outlet pipe, and convenient operation avoids blockking up, so that improve the blowdown ability, and the user demand is satisfied.

Drawings

Fig. 1 is a front perspective view of the present invention.

Fig. 2 is a rear perspective view of the present invention.

Fig. 3 is a top view of the structure of the present invention.

Fig. 4 is a cross-sectional view in the direction AA of fig. 3.

The labels in the figure are: the pump body 1, the rotating electrical machine 2, the suction pipe 3, the diversion chamber 4, the impeller 5, the pump shaft 6, the through hole 7, the water tank 8, the water filling port 10, the outlet pipe 11, the exhaust valve 12, the shaft seat 13, the first boss 14, the second boss 15, the third boss 16, the bearing 17, the first annular groove 18, the gland 19, the second annular groove 20, the fourth boss 21, the fifth boss 22, the oil chamber 23, the oil plug 24, the seal ring 25, the agitator 9, the first annular plate 91, the stirring vane 92, the second annular plate 93 and the base 26.

Detailed Description

The following describes the present invention with reference to the accompanying drawings.

A horizontal sewage pump comprises a pump body 1 and a rotating motor 2, wherein a suction pipe 3 and a diversion chamber 4 which are communicated are arranged on the pump body 1, an impeller 5 is arranged in the diversion chamber 4, a motor shaft of the rotating motor 2 is connected with a pump shaft 6 which rotates synchronously with the impeller 5, a through hole 7 is arranged on the diversion chamber 4, a water tank 8 which is communicated with the through hole 7 and is connected with the suction pipe 3 and the outer wall of the pump body 1 is arranged on the pump body 1, a water filling port 10 and an outlet pipe 11 are arranged at the top of the water tank 8, and an exhaust valve 12 is arranged on the side wall of the water tank;

a shaft seat 13 connected with the pump body 1 is arranged on one side of the diversion chamber 4, a first boss 14 in clearance fit with one side of the impeller 5 is arranged in the diversion chamber 4, a second boss 15 is arranged on the impeller 5, and a third boss 16 in clearance fit with the inner wall of the second boss 15 is arranged on the shaft seat 13;

the pump comprises a pump body 1 and a shaft seat 13, wherein the shaft seat 13 is provided with a bearing 17 sleeved outside a pump shaft 6, the pump shaft 6 is provided with a first annular groove 18, one side of the bearing 17 is provided with a gland 19 sleeved outside the first annular groove 18 and connected with the shaft seat 13 and a rotating motor 2, the pump body 1 is provided with a second annular groove 20, and the shaft seat 13 is provided with a fourth boss 21 in clearance fit with the second annular groove 20;

a fifth boss 22 in clearance fit with the outside of the bearing 17 is arranged on the shaft seat 13, an oil chamber 23 positioned outside the bearing 17 is arranged in the shaft seat 13, an oil plug 24 is arranged at the top of the side of the oil chamber 23, sealing gaskets 25 are arranged between the bearing 17 and the shaft seat 13 as well as between the bearing 17 and the gland 19, the cross section of the gland 19 is of a Z-shaped structure, and the end parts of a motor shaft and a pump shaft 6 of the rotating motor 2 are positioned between the gland 19 and the rotating motor 2 and are in keyway fit;

the end of the pump shaft 6 is provided with a stirrer 9 arranged in the suction pipe 3, the stirrer 9 comprises a first annular plate 91 connected with the pump shaft 6, a plurality of stirring blades 92 arranged around the outer wall of the first annular plate 91 at intervals, and a second annular plate 93 connected with the end of the plurality of stirring blades 92, and the bottom of the water tank 8 is provided with a base 26.

The utility model discloses a theory of operation does:

the stirrer 9 and the impeller 5 are sleeved outside the pump shaft 6 and are matched with the key groove to rotate synchronously, the end part of the pump shaft 6 is locked by a nut, the pump shaft 6 with the stirrer 9 and the impeller 5 is arranged in the diversion chamber 4 of the pump body 1, the first boss 14 is in clearance fit with the impeller 5 for limiting, so that the stirrer 9 is arranged in the suction pipe 3, the other side of the impeller 5 is in clearance fit with the third boss 16 of the shaft seat 13 through the inner wall of the second boss 15 for positioning, and the shaft seat 13 is in clearance fit with the second ring groove 20 of the pump body 1 through the fourth boss 21 for improving the sealing performance;

after the shaft seat 13 is connected with the pump body 1 through a bolt, a sealing washer 25 and a bearing 17 which are positioned outside the pump shaft 6 are sleeved in the fifth boss 22 to play a role in sealing the position of the pump shaft 6, a gland 19 with a Z-shaped section is sleeved on the first annular groove 18 of the pump shaft 6 to realize the positioning and installation of the pump shaft 6 and the bearing 17, a motor shaft of the rotating motor 2 is positioned between the gland 19 and the rotating motor 2 to realize synchronous rotating drive through key groove matching, the rotating motor 2, the gland 19 and the shaft seat 13 are connected through bolts to realize fixed installation, and the base 26 is used for fixedly supporting the whole water pump, so that the structure is compact, the support is stable, and the disassembly, assembly and replacement are;

when the device is operated, the end parts of the suction pipe 3 and the outlet pipe 11 are connected into a pipeline of a sewage discharge system, a motor shaft of the rotating motor 2 drives the stirrer 9 and the impeller 5 to synchronously rotate under the dynamic balance and stable support of the bearing 17, and the oil plug 24 is opened to inject lubricating oil into the oil chamber 23 to ensure the lubricating property between the bearing 17 and the pump shaft 6;

after the pump body 1 is used, water is stored inside the pump body or water is injected into the water tank 8 to the through hole 7 by opening the water injection port 10 to supplement the water, the exhaust valve 12 is opened to enable the impeller 5 to centrifugally pump the water at a high speed in the rotation process, air is entrained to discharge liquid upwards, the air is discharged out of the pump from the exhaust valve 12, a certain vacuum degree is formed in the pump, the exhaust valve 12 is closed after the self-priming effect is achieved, and the operation of water diversion and water filling is avoided;

by the induction pipe 3 to diversion chamber 4 diversion, when agitator 9 rotated along with pump shaft 6, stirring vane 92 played the supporting role through the first crown plate 91 and the second crown plate 93 of both sides, be used for the stirring to break up blowdown medium, avoid the blowdown medium to reunite and block up impeller 5, impeller 5 makes the blowdown medium get into the water tank 8 back in the through-hole 7 at diversion chamber 4 internal centrifugal pumping, finally discharge from outlet pipe 11, and convenient for operation avoids blockking up, so that improve blowdown ability, and the service requirement is satisfied.

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 above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (7)

1. A horizontal sewage pump comprises a pump body and a rotating motor, wherein a suction pipe and a diversion chamber which are communicated are arranged on the pump body, an impeller is arranged in the diversion chamber, and a motor shaft of the rotating motor is connected with a pump shaft which rotates synchronously with the impeller;

the pump is characterized in that a shaft seat connected with the pump body is arranged on one side of the diversion chamber, a bearing sleeved outside the pump shaft is arranged on the shaft seat, a first annular groove is formed in the pump shaft, a gland sleeved outside the first annular groove and connected with the shaft seat and the rotating motor is arranged on one side of the bearing, and a stirrer arranged in the suction pipe is arranged at the end part of the pump shaft.

2. The horizontal sewage pump of claim 1 wherein the diversion chamber is internally provided with a first boss in clearance fit with one side of the impeller, the impeller is provided with a second boss, and the shaft seat is provided with a third boss in clearance fit with the inner wall of the second boss.

3. The horizontal sewage pump of claim 1 wherein the pump body has a second annular groove and the shaft seat has a fourth projection in clearance fit with the second annular groove.

4. The horizontal sewage pump of claim 1 wherein the shaft mount has a fifth boss that is in clearance fit with the exterior of the bearing, the shaft mount has an oil chamber located outside the bearing, the top of the oil chamber is provided with an oil plug, and sealing gaskets are provided between the bearing and the shaft mount and the gland.

5. The horizontal sewage pump of claim 1 wherein the cross-section of the gland is in a Z-shaped configuration and the ends of the shaft of the rotating motor and the shaft of the pump are in keyway fit between the gland and the rotating motor.

6. The horizontal sewage pump of claim 1 wherein the agitator comprises a first annular plate connected to the pump shaft, a plurality of agitating blades spaced around the outer wall of the first annular plate, and a second annular plate connected to the ends of the plurality of agitating blades.

7. The horizontal sewage pump as claimed in any one of claims 1 to 6, wherein a base is arranged at the bottom of the water tank.

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