CN211422939U

CN211422939U - Liquid pump

Info

Publication number: CN211422939U
Application number: CN201921829150.8U
Authority: CN
Inventors: 汪小杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-09-04
Anticipated expiration: 2029-10-29

Abstract

The utility model relates to a liquid pump, which belongs to the technical field of water pumps and comprises a liquid pump, a motor and a water pump panel; the motor is arranged on the water pump panel and is matched with the liquid feeding pump; the method is characterized in that: the above-liquid pump includes: the pump body support tube, the pump shaft, the pump cover, the pump cavity, the suction tube and the liquid outlet; a pump shaft is arranged in the pump body supporting pipe and penetrates through the pump cover to enter the pump cavity; a liquid outlet is arranged on the left side of the pump cavity, and a suction pipe is arranged below the pump cavity; the bottom of the suction pipe is provided with a suction bottom valve and a mesh enclosure which are matched with each other; a liquid outlet pipe is arranged on the left side of the liquid outlet; the one-way valve is arranged at the pipe orifice of the liquid outlet pipe; a pressure gauge is arranged on the left side of the liquid outlet pipe above the water pump panel, and a liquid feeding pipe is arranged on the right side of the liquid outlet pipe; and a liquid adding valve is arranged on the liquid adding pipe. The structure of the utility model can not only increase the depth of liquid sucked, but also can avoid liquid leakage in the backwater and the pump, protect the motor bearing when the pump is opened at low water level, and prolong the service life of the motor.

Description

Liquid pump

Technical Field

The utility model relates to a fluid delivery technical field especially relates to a liquid pump.

Background

A water pump is a machine that delivers a liquid or pressurizes a fluid, and transfers mechanical energy of a prime mover or other external energy to the fluid, causing the fluid energy to increase. When a traditional water pump pumps water from one place to another place, the water level of the pumped place cannot be monitored only by experience operation, and evacuation is easily caused. Because the length of the pump body part is determined according to the actual depth extending into the container, when the container fluid with gradually deeper is pumped, a manufacturer can increase the length of the pump shaft to improve the pumping problem of the depth of the pump fluid; therefore, the production and processing cost of the pump is greatly improved, and the production efficiency of enterprises is reduced; in addition, when the pump is stopped, the pump is easy to return water, and leakage is caused due to overlarge pressure in the pump, so that a novel liquid pump needs to be researched to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, provided a liquid pump, the utility model aims to solve the technical problem that: how to solve the liquid suction depth, avoid backwater and avoid pressure leakage in the pump cavity.

The utility model discloses a realize like this: a liquid level pump comprises a liquid level pump, a motor and a water pump panel; the motor is arranged on the water pump panel and is matched with the liquid feeding pump; the method is characterized in that: the above-liquid pump includes: the pump body support tube, the pump shaft, the pump cover, the pump cavity, the suction tube and the liquid outlet; a pump shaft is arranged in the pump body supporting pipe and penetrates through the pump cover to enter the pump cavity; a liquid outlet is arranged on the left side of the pump cavity, and a suction pipe is arranged below the pump cavity; the bottom of the suction pipe is provided with a suction bottom valve which is matched with the mesh enclosure; a liquid outlet pipe is arranged on the left side of the liquid outlet; the one-way valve is arranged at the pipe orifice of the liquid outlet pipe; a pressure gauge is arranged on the left side of the liquid outlet pipe above the water pump panel, and a liquid feeding pipe is arranged on the right side of the liquid outlet pipe; and a liquid adding valve is arranged on the liquid adding pipe.

Preferably: and an anti-corrosion bushing is arranged between the pump body supporting tube and the pump shaft.

Preferably: the pump shaft is provided with a plurality of fan blades.

Preferably: the pump cavity is internally provided with an impeller, and the impeller is reinforced on the pump shaft through an impeller and a cap.

Preferably: the back of the impeller is provided with an impeller rib.

Preferably: the liquid outlet and the liquid outlet pipe are connected through a flange, and the whole liquid outlet pipeline is L-shaped.

The utility model discloses an effective effect is: a liquid upper pump, compared to a conventional structure: it is rational in infrastructure, multiplicable suction liquid degree of depth can avoid the return water when carrying liquid when the low water level is opened the pump, protection motor bearing, the life of extension motor and avoid liquid leakage in the pump.

Drawings

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

in the figure: 1. the pump comprises a one-way valve, 2, a pressure gauge, 3, a liquid adding valve, 4, a liquid adding pipe, 5, a motor, 6, a water pump panel, 7, a pump body supporting pipe, 8, an anticorrosive lining, 9, a pump shaft, 10, a fan blade, 11, a pump cover, 12, an impeller rib, 13, an impeller, 14, an impeller combining cap, 15, a pump cavity, 16, a liquid outlet, 17, a liquid outlet pipe, 18, a suction pipe, 19, a suction bottom valve, 20, a screen cover and 21, and a liquid feeding pump.

Detailed Description

The invention will be further described with reference to the accompanying drawings:

in the drawings: 1. a kind of liquid level pump, including the liquid level pump 21, electrical machinery 5 and water pump panel 6; the motor 5 is arranged on the water pump panel 6 and is matched with the liquid pump 21; the method is characterized in that: the submerged pump 21 includes: the pump body support tube 7, the pump shaft 9, the pump cover 11, the pump cavity 15, the suction tube 18 and the liquid outlet 16; a pump shaft 9 is arranged in the pump body supporting tube 7, and the pump shaft 9 penetrates through the pump cover 11 to enter the pump cavity 15; a liquid outlet 16 is arranged on the left side of the pump cavity 15, and a suction pipe 18 is arranged below the pump cavity; the bottom of the suction pipe 18 is provided with a suction bottom valve 19 and a mesh enclosure 20 which are matched with each other; a liquid outlet pipe 17 is arranged on the left side of the liquid outlet 16; the orifice of the liquid outlet pipe 17 is provided with a one-way valve 1; a pressure gauge 2 is arranged on the left side of the liquid outlet pipe 17 above the water pump panel 6, and a liquid feeding pipe 4 is arranged on the right side; and a liquid adding valve 3 is arranged on the liquid adding pipe 4.

An anti-corrosion lining 8 is arranged between the pump body supporting tube 7 and the pump shaft 9; the pump shaft 9 is provided with a plurality of fan blades 10; the impeller 13 is arranged in the pump cavity 15 and is reinforced on the pump shaft 9 through an impeller and cap 14; the back of the impeller 13 is provided with an impeller rib 12; the liquid outlet 16 and the liquid outlet pipe 17 are connected through a flange, and the whole liquid outlet pipe 17 is L-shaped.

In the specific implementation:

the one-way valve is arranged on the water pump panel, and when the pump is stopped, the impeller rotates reversely to prevent water return; the pressure gauge is arranged on the left side of the liquid outlet pipe, and the pressure state of the water pump during working is known through the pressure gauge; when liquid flows upwards along the pump shaft and reaches the water pump panel, the axial thrust is controlled on the motor bearing by the pump shaft, and the fan blade rotates around the shaft, so that the bearing can be cooled by air, and the liquid is prevented from entering the bearing to cause the damage of the bearing; the pump shaft length is reduced, and the diameter of the pump shaft is lengthened, so that the support point of the pump shaft in the pump cavity is supported by a motor bearing; in the pump cavity, the impeller is arranged in the pump cavity and is reinforced on the pump shaft through the impeller and the impeller cap, and the back of the impeller is provided with an impeller rib, so that a negative pressure area is formed between the pump cavity and the pump shaft, no leakage of liquid in the axial direction is realized, and the liquid is continuously conveyed; the liquid outlet pipe is connected with the liquid outlet through a flange to prevent liquid leakage; the bottom of the suction pipe is provided with a bottom valve and a filter screen, which prevents large particles from being sucked into the pump cavity and is convenient for cleaning the pump cavity.

Claims

1. A liquid level pump comprises a liquid level pump (21), a motor (5) and a water pump panel (6); a motor (5) is arranged on the water pump panel (6) and is matched with the liquid pump (21); the method is characterized in that: the submerged pump (21) comprises: the pump body comprises a pump body supporting pipe (7), a pump shaft (9), a pump cover (11), a pump cavity (15), a suction pipe (18) and a liquid outlet (16); a pump shaft (9) is arranged in the pump body supporting pipe (7), and the pump shaft (9) penetrates through the pump cover (11) to enter the pump cavity (15); a liquid outlet (16) is arranged on the left side of the pump cavity (15), and a suction pipe (18) is arranged below the pump cavity; the bottom of the suction pipe (18) is provided with a suction bottom valve (19) and a mesh enclosure (20) which are matched with each other; a liquid outlet pipe (17) is arranged at the left side of the liquid outlet (16); the orifice of the liquid outlet pipe (17) is provided with a one-way valve (1); a pressure gauge (2) is arranged on the left side of a liquid outlet pipe (17) above the water pump panel (6), and a liquid feeding pipe (4) is arranged on the right side; the liquid adding pipe (4) is provided with a liquid adding valve (3).

2. A liquid level pump as defined in claim 1, wherein: and an anti-corrosion lining (8) is arranged between the pump body supporting tube (7) and the pump shaft (9).

3. A liquid level pump as defined in claim 1, wherein: the pump shaft (9) is provided with a plurality of fan blades (10).

4. A liquid level pump as defined in claim 1, wherein: an impeller (13) is arranged in the pump cavity (15), and the impeller (13) is reinforced on the pump shaft (9) through an impeller combining cap (14).

5. A liquid level pump as claimed in claim 4, wherein: the back of the impeller (13) is provided with an impeller rib (12).

6. A liquid level pump as defined in claim 1, wherein: the liquid outlet (16) is connected with the liquid outlet pipe (17) through a flange, and the whole liquid outlet pipe (17) is L-shaped.