CN219993857U

CN219993857U - Oil refining pump

Info

Publication number: CN219993857U
Application number: CN202321683123.0U
Authority: CN
Inventors: 蒋永辉
Original assignee: Shanghai Boyi Measuring Equipment Co ltd
Current assignee: Shanghai Boyi Measuring Equipment Co ltd
Priority date: 2023-06-29
Filing date: 2023-06-29
Publication date: 2023-11-10
Anticipated expiration: 2033-06-29

Abstract

The utility model relates to the technical field of oil refining pumps, in particular to an oil refining pump which comprises a pump body, wherein an electric motor is fixedly arranged on the front side of the pump body, one end, far away from the pump body, of the electric motor is fixedly connected with a protective shell, a circuit board and a voltage regulating module are arranged in the protective shell, the circuit board is electrically connected with the electric motor, a first power receiving end is fixedly connected with the surface of the circuit board, the circuit board is electrically connected with the voltage regulating module through the first power receiving end, the voltage regulating module converts 24V voltage on an instrument into 12V voltage and converts the voltage into conformity with a replacement pump, so that the replacement of the original pump is facilitated, the equipment can be operated for a long time, and the problem that the pump body cannot be replaced due to the fact that the miniature diaphragm vacuum pump cannot be used normally is solved.

Description

Oil refining pump

Technical Field

The utility model relates to the technical field of oil refining pumps, in particular to an oil refining pump.

Background

The oil refining pump used in the laboratory is usually a miniature diaphragm vacuum pump, the miniature diaphragm vacuum pump refers to a diaphragm type miniature vacuum pump, the miniature diaphragm vacuum pump is very wide in application in various fields such as scientific research, medical treatment, instruments and meters, chemical analysis, biological engineering, automatic control, environmental protection, water treatment and the like, the diaphragm type miniature vacuum pump makes a diaphragm in the pump perform reciprocating motion through a mechanical device through the circumferential motion of a motor, so that air in a compression and stretching pump cavity forms vacuum, pressure difference is generated between an extraction opening and the outside atmospheric pressure, and gas is sucked into the pump cavity and then discharged from an exhaust port under the action of the pressure difference.

The miniature diaphragm vacuum pump is usually adopted in the laboratory, and the diaphragm in the original miniature diaphragm vacuum pump is easy to corrode and damage, and does not have corresponding diaphragm to replace, and it is more troublesome to find corresponding diaphragm replacement, so that replace with replacing miniature diaphragm vacuum pump, because original miniature diaphragm vacuum pump voltage is 24V, replace miniature diaphragm vacuum pump voltage is 12V, voltage does not coincide with replacing pump, and the pump body can't replace, thereby leads to unable normal use of equipment.

Accordingly, it is necessary to invent a refinery pump to solve the above problems.

Disclosure of Invention

The utility model aims to provide an oil refining pump, which aims to solve the problems that in the technology, the voltage of a miniature diaphragm vacuum pump is 12V, and the pump body cannot be replaced due to the fact that the voltage is not consistent with that of an original pump, so that equipment cannot be used normally.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides an oil refining pump, includes the pump body, the front side fixed mounting of the pump body has electric motor, electric motor keeps away from the one end fixedly connected with protective housing of the pump body, protective housing's inside is provided with circuit board and voltage regulating module, the circuit board with electric motor electricity is connected, the fixed surface of circuit board is connected with first electric terminal, the circuit board passes through first electric terminal with voltage regulating module electricity is connected, voltage regulating module's fixed surface is connected with the second electric terminal, voltage regulating module is used for changing 24V voltage into 12V voltage.

Preferably, the front side surface of the protection shell is fixedly connected with two groups of connecting blocks, through holes are formed in the connecting blocks, and power lines are arranged in the through holes.

Preferably, one end of the power line passes through the through hole and is fixedly connected with the second electric connection end, and one end of the power line, which is far away from the second electric connection end, is electrically connected with the equipment instrument.

Preferably, the upper surface of the pump body is fixedly connected with a sealing ring, and four corners of the pump body are provided with screw holes.

Preferably, a sealing cover plate is arranged above the pump body, connecting through holes are formed in four corners of the upper surface of the sealing cover plate, and the connecting through holes correspond to the positions of the wire holes.

Preferably, a fixing screw is arranged in the connecting through hole, and the fixing screw is in threaded connection with the screw hole.

Preferably, the front side surface of the sealing cover plate is fixedly connected with two groups of transmission pipelines.

Preferably, the left side transmission pipeline is a liquid inlet pipeline, and the right side transmission pipeline is a liquid outlet pipeline.

In the technical scheme, the utility model has the technical effects and advantages that:

according to the utility model, the electric motor is fixedly arranged on the front side of the pump body, one end of the electric motor, which is far away from the pump body, is fixedly connected with the protective shell, the circuit board and the voltage regulating module are arranged in the protective shell, the voltage regulating module converts 24V voltage on the instrument into 12V voltage, and the voltage is converted into the voltage which is consistent with the replacement pump, so that the replacement of the original pump is facilitated, the equipment can be operated for a long time, and the problem that the pump body cannot be replaced and the equipment cannot be used due to the fact that the voltage which is inconsistent with the original pump is replaced by the miniature diaphragm vacuum pump is solved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the protective housing according to the present utility model;

FIG. 3 is a schematic diagram of a voltage regulation module according to the present utility model;

FIG. 4 is a schematic diagram of the pump body of the present utility model;

FIG. 5 is a schematic view of a sealing cap plate structure of the present utility model.

Reference numerals illustrate:

1. a pump body; 11. an electric motor; 12. a seal ring; 13. a wire hole; 14. sealing the cover plate; 15. a connecting through hole; 16. a set screw; 17. a transmission pipeline; 2. a protective housing; 21. a connecting block; 22. a circuit board; 23. a first electrical terminal; 24. a pressure regulating module; 25. the second power connection end; 26. and a power supply line.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

The utility model provides an oil refining pump as shown in fig. 1-5, which comprises a pump body 1, wherein an electric motor 11 is fixedly arranged on the front side of the pump body 1, one end, far away from the pump body 1, of the electric motor 11 is fixedly connected with a protective shell 2, a circuit board 22 and a voltage regulating module 24 are arranged in the protective shell 2, the circuit board 22 is electrically connected with the electric motor 11, the surface of the circuit board 22 is fixedly connected with a first electric connection end 23, the circuit board 22 is electrically connected with the voltage regulating module 24 through the first electric connection end 23, the surface of the voltage regulating module 24 is fixedly connected with a second electric connection end 25, and the voltage regulating module 24 is used for converting 24V voltage into 12V voltage; the front side surface fixedly connected with two sets of connecting blocks 21 of protective housing 2, the through-hole has been seted up to the inside of connecting block 21, and the inside of through-hole is provided with power cord 26, and the one end of power cord 26 passes through the through-hole and connects electric end 25 fixed connection with the second, and the one end that the power cord 26 was kept away from the second and connects electric end 25 is connected with the equipment instrument electricity.

The voltage regulating module 24 has the model LM2596 and an output current of 3A, and is used for converting 24V voltage on an instrument into 12V voltage, so that the voltage is matched with an original pump, for example, a KNF PML5162-NGA micro diaphragm vacuum pump is used for replacing the original KNF MPU4607-NMP830 micro diaphragm vacuum pump, and through testing, the flow rate of the KNF PML5162-NGA micro diaphragm vacuum pump is basically the same as that of the original KNF MPU4607-NMP830 micro diaphragm vacuum pump, the production requirement can be met, and the device can be operated for a long time after being connected with the instrument.

As a preference of this embodiment, the upper surface of the pump body 1 is fixedly connected with a sealing ring 12, four corners of the pump body 1 are provided with screw holes 13, the upper side of the pump body 1 is provided with a sealing cover plate 14, four corners of the upper surface of the sealing cover plate 14 are provided with connecting through holes 15, the connecting through holes 15 correspond to the screw holes 13 in position, fixing screws 16 are arranged in the connecting through holes 15, the fixing screws 16 are in threaded connection with the screw holes 13, the front side surface of the sealing cover plate 14 is fixedly connected with two groups of transmission pipelines 17, the left transmission pipeline 17 is a liquid inlet pipeline, and the right transmission pipeline 17 is a liquid discharge pipeline.

The principle of the diaphragm type micro vacuum pump is disclosed in the prior art, through the circular motion of the electric motor 11, the diaphragm in the pump is made to reciprocate through a mechanical device, so that air in the pump cavity is compressed and stretched to form vacuum, a pressure difference is generated between the liquid inlet pipeline and the external atmospheric pressure, and oil is sucked into the pump cavity under the action of the pressure difference and then discharged from the liquid discharge pipeline.

The working principle of the utility model is as follows: in order to facilitate replacement of the original pump, a worker installs the voltage regulating module 24 at one end of the replacement pump, the voltage regulating module 24 converts 24V voltage on the instrument into 12V voltage, so that the voltage is matched with the replacement pump, for example, the KNF PML5162-NGA micro diaphragm vacuum pump is used for replacing the original KNF MPU4607-NMP830 micro diaphragm vacuum pump, the flow of the KNF PML5162-NGA micro diaphragm vacuum pump is basically the same as that of the original KNF MPU4607-NMP830 micro diaphragm vacuum pump, the production requirement can be met, and the device can be operated for a long time after being connected with the instrument.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed.

Claims

1. Oil refining pump, including pump body (1), its characterized in that: the front side fixed mounting of the pump body (1) has electric motor (11), electric motor (11) keep away from the one end fixedly connected with protective housing (2) of the pump body (1), the inside of protective housing (2) is provided with circuit board (22) and voltage regulating module (24), circuit board (22) with electric motor (11) electricity is connected, the fixed surface of circuit board (22) is connected with first electric terminal (23), and circuit board (22) are through first electric terminal (23) with voltage regulating module (24) electricity is connected, the fixed surface of voltage regulating module (24) is connected with second electric terminal (25), voltage regulating module (24) are used for changing 24V voltage into 12V voltage.

2. A refinery pump according to claim 1 wherein: the front side surface of the protection shell (2) is fixedly connected with two groups of connecting blocks (21), through holes are formed in the connecting blocks (21), and power lines (26) are arranged in the through holes.

3. A refinery pump according to claim 2, wherein: one end of the power line (26) penetrates through the through hole and is fixedly connected with the second electric connection end (25), and one end, far away from the second electric connection end (25), of the power line (26) is electrically connected with the equipment instrument.

4. A refinery pump according to claim 1 wherein: the upper surface of the pump body (1) is fixedly connected with a sealing ring (12), and four corners of the pump body (1) are provided with screw holes (13).

5. The oil refinery pump of claim 4, wherein: the upper part of the pump body (1) is provided with a sealing cover plate (14), four corners of the upper surface of the sealing cover plate (14) are provided with connecting through holes (15), and the positions of the connecting through holes (15) and the positions of the wire holes (13) are corresponding.

6. The oil refinery pump of claim 5, wherein: the inside of connecting through-hole (15) is provided with fixed screw (16), fixed screw (16) with screw thread connection of wire hole (13).

7. The oil refinery pump of claim 5, wherein: the front side surface of the sealing cover plate (14) is fixedly connected with two groups of transmission pipelines (17).

8. The oil refinery pump of claim 7, wherein: the left side transmission pipeline (17) is a liquid inlet pipeline, and the right side transmission pipeline (17) is a liquid discharge pipeline.