CN216642486U

CN216642486U - Novel submersible sewage pump

Info

Publication number: CN216642486U
Application number: CN202122538063.0U
Authority: CN
Inventors: 滕波; 崔道勇
Original assignee: Shanghai Kaiyuan Pump Co ltd
Current assignee: Shanghai Kaiyuan Pump Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-05-31
Anticipated expiration: 2031-10-21

Abstract

The utility model provides a novel submersible sewage pump, wherein one end of a submersible motor barrel is fixedly connected with an upper end cover of a submersible motor, the lower end of the submersible motor barrel is fixedly connected with an oil chamber, and one side of the oil chamber is fixedly connected with an organic sealing cover and a pump body; the pump comprises a pump body, a pump shaft, a motor barrel bolt pair, a base bolt, a pump barrel bolt pair, a motor barrel bolt pair, a pump body, a base bolt, a pump shaft bolt, a pump barrel bolt pair, a pump body bolt, a pump base, a pump impeller and a pump shaft bolt.

Description

Novel submersible sewage pump

Technical Field

The embodiment of the utility model relates to the technical field of water supply and drainage application equipment, in particular to a novel submersible sewage pump.

Background

At present, cast iron type submersible sewage pumps provided for building engineering and industrial and mining in the industry are mostly suitable for the price of physical impurities but chemical properties similar to that of clear water, and the pH value of a conveying medium of a common cast iron sewage pump is limited within the range of PH5-PH 9; generally, if the chemical property of the conveyed medium deviates from that of clear water, a special chemical sewage pump made of stainless steel is needed; because the materials of stainless steel are suitable for different pH values, the stainless steel submersible sewage pumps made of various materials are derived due to different pH values, the manufacturing cost is high, and the application range is limited.

The submersible sewage pump takes a novel nylon alloy material, namely thermoplastic nylon resin, as a substitute of cast iron at the overflowing part, is applied to the overflowing part of the submersible sewage pump, and through a comparison test, under the working conditions of strong acid and strong base with the pH value smaller than PH4 and PH10, the submersible sewage pump has stable corrosion-resistant chemical performance, the strength, the hardness and the stretch-resistant physical performance which are equivalent to those of stainless steel, and the unit manufacturing cost of the submersible sewage pump is slightly lower than that of common cast iron; has good economical efficiency and applicability.

Through the retrieval, chinese patent publication is CN 210738829U's patent, discloses a novel submersible sewage pump, including the water pump motor, the upper end surface of water pump motor is provided with motor protector, the both sides surface of water pump motor all is provided with pulls the latch closure, the lower extreme external surface fixed mounting of water pump motor has the outlet pipe, the lower extreme external surface fixed mounting of outlet pipe has the inlet tube, the external surface fixed connection of inlet tube has the water pump base, the one end surface of inlet tube is provided with filters and prevents stifled device.

The novel submersible sewage pump is provided for solving the problem that the inside of the sewage pump is easy to corrode because a filtering device in the prior art can only filter silt and cannot prevent the inside of the sewage pump from being corroded.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model aims to provide a novel submersible sewage pump which solves the defects in the prior art.

In order to achieve the above purpose, the following technical solutions are designed in the embodiments of the present invention:

a novel submersible sewage pump device comprises a submersible motor barrel and a pump shaft, wherein one end of the submersible motor barrel is fixedly connected with an upper end cover of a submersible motor, the lower end of the submersible motor barrel is fixedly connected with an oil chamber, and one side of the oil chamber is fixedly connected with an organic sealing cover and a pump body; the pump body below fixedly connected with base, base and pump body junction fixed mounting have the base bolt, the one end fixedly connected with impeller of pump shaft.

In some embodiments, a motor barrel bolt pair is fixedly connected to one side of the upper end cover of the submersible motor, and the other end of the motor barrel bolt pair is fixedly connected to one side of the oil chamber.

In some embodiments, a hole is formed in one side of the oil chamber, and a screw injection hole choke plug is fixedly connected in the hole.

In some embodiments, an impeller bolt pair is fixedly connected to one end of the impeller.

1. Compared with the prior art, the utility model has the beneficial effects that: a novel submersible sewage pump is provided with an upper end cover of a motor, an oil chamber, a machine seal gland, a pump body, a base bolt, a base, an impeller and a pump shaft which are made of thermoplastic nylon resin, so that the integrity and the accuracy of the hydraulic performance of the product are ensured; the thermoplastic nylon resin is used as a substitute of cast iron of an overflowing part, is applied to an overflowing part of a submersible sewage pump, and through comparison tests, under the working conditions of strong acid and strong base with the pH value of less than pH4 and pH10, the thermoplastic nylon resin has stable corrosion resistance and chemical properties, the strength, the hardness and the tensile resistance of the thermoplastic nylon resin are equivalent to those of stainless steel, and the unit manufacturing cost of the thermoplastic nylon resin is slightly lower than that of common cast iron; has the advantages of good economy and applicability.

2. A novel submersible sewage pump is provided with an injection screw hole choke plug, a base bolt, a base, an impeller bolt pair, a pump shaft and a motor barrel bolt pair, all thread stress standard parts can be made of stainless steel, so that the purchase and the accurate positioning are convenient, the cost is saved, and the purchase is convenient.

The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will be readily apparent by reference to the drawings and following detailed description.

Drawings

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

010-an upper end cover of a submersible motor, 020-a submersible motor barrel, 030-an oil chamber, 040-a screw hole choke plug, 050-a machine sealing cover, 060-a pump body, 070-a base bolt, 080-a base, 090-an impeller bolt pair, 110-an impeller, 120-a pump shaft and 130-a motor barrel bolt pair.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present application in various embodiments of the present invention. However, the technical solutions claimed in the claims of the present application can be implemented without these technical details and with various changes and modifications based on the following embodiments.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Example 1:

as shown in fig. 1, the novel submersible sewage pump comprises a submersible motor barrel 020 and a pump shaft 120, wherein one end of the submersible motor barrel 020 is fixedly connected with a submersible motor upper end cover 010, the lower end of the submersible motor barrel 020 is fixedly connected with an oil chamber 030, and one side of the oil chamber 030 is fixedly connected with a mechanical seal gland 050 and a pump body 060; a base 080 is fixedly connected below the pump body 060, a base bolt 070 is fixedly arranged at the joint of the base 080 and the pump body 060, and one end of the pump shaft 120 is fixedly connected with an impeller 110; the motor upper end cover 010, the oil chamber 030, the machine seal gland 050, the pump body 060, the base bolt 070, the base 080, the impeller 110 and the pump shaft 120 are made of thermoplastic nylon resin, so that the integrity and the accuracy of the hydraulic performance of a product are guaranteed; the thermoplastic nylon resin is used as a substitute of cast iron at the overflowing part and is applied to the overflowing part of the submersible sewage pump; through comparison tests, under the working conditions of strong acid and strong alkali with the pH value less than PH4 and PH10, the corrosion resistance chemical property is stable, the strength, the hardness and the tensile resistance physical property are equivalent to those of stainless steel, the unit manufacturing cost is slightly lower than that of common cast iron, and the corrosion resistance chemical property has good economy and applicability.

In this embodiment, a motor barrel bolt pair 130 is fixedly connected to one side of the upper end cover 010 of the submersible motor, and the other end of the motor barrel bolt pair 130 is fixedly connected to one side of the oil chamber 030, so that the stability and the sealing performance of the device are enhanced.

In this embodiment, a hole is formed in one side of the oil chamber 030, a screw injection bulkhead 040 is fixedly connected in the hole, oil can be conveniently injected into the oil chamber 030, and an impeller bolt pair 090 is fixedly connected to one end of the impeller 110.

In this embodiment: the upper end cover 010 of the motor, the oil chamber 030, the machine seal pressing cover 050, the pump body 060, the base bolt 070, the base 080, the impeller 110 and the pump shaft 120 are made of thermoplastic nylon resin, and the integrity and accuracy of the hydraulic performance of the product are guaranteed.

Example 2:

the embodiment of the novel submersible sewage pump is improved on the basis of embodiment 1, as shown in figure 1,

in this embodiment, the injection screw hole bulkhead 040, the base bolt 070, the base 080, the impeller bolt pair 090, the pump shaft 120 and the motor bucket bolt pair 130, all the screw thread stress standard components can be made of stainless steel, so that the purchase and the accurate positioning are facilitated, the cost is saved, and the purchase is facilitated.

When the utility model works, the pump shaft 120 drives the impeller 110 to rotate, and water is discharged through the device.

It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the utility model, and that various changes in form and details may be made therein without departing from the spirit and scope of the utility model in practice.

Claims

1. The utility model provides a novel submersible sewage pump, includes submersible motor bucket (020) and pump shaft (120), its characterized in that: one end of the submersible motor barrel (020) is fixedly connected with a submersible motor upper end cover (010), the lower end of the submersible motor barrel (020) is fixedly connected with an oil chamber (030), and one side of the oil chamber (030) is fixedly connected with an organic sealing cover (050) and a pump body (060); a base (080) is fixedly connected to the lower portion of the pump body (060), a base bolt (070) is fixedly mounted at the joint of the base (080) and the pump body (060), and an impeller (110) is fixedly connected to one end of the pump shaft (120).

2. The submersible sewage pump as recited in claim 1, further comprising: one side of the upper end cover (010) of the submersible motor is fixedly connected with a motor barrel bolt pair (130), and the other end of the motor barrel bolt pair (130) is fixedly connected to one side of the oil chamber (030).

3. The submersible sewage pump as recited in claim 1, further comprising: one side of the oil chamber (030) is provided with a hole, and a screw injection hole choke plug (040) is fixedly connected in the hole.

4. The submersible sewage pump as recited in claim 1 wherein one end of said impeller (110) is fixedly connected with an impeller bolt pair (090).