Environment-friendly two-stage oil seal type rotary-vane vacuum pump with variable working volume

Abstract

The utility model discloses a variable working volume environment-friendly two-stage oil seal type rotary vane vacuum pump which comprises a bottom plate, a vacuum pump body is fixedly connected to the middle end of the top of the bottom plate, a water tank is fixedly connected to the middle end of the top of the bottom plate and located on the outer side of the vacuum pump body, and a circulating water pump is fixedly installed at the lower end of the outer side of the water tank through bolts. The input end of the circulating water pump is fixedly connected with a water pumping pipe, the input end of the water pumping pipe is fixedly connected with a diversion pipe, the inner side of the diversion pipe is fixedly connected with a diversion block, the top of the diversion pipe is communicated with the bottom of one side of the water tank through a pipeline, and the output end of the circulating water pump is communicated with the bottom of one side of the water tank through a pipeline. Through the circulating water pump, the water pumping pipe, the flow guide pipe, the flow guide block, the fan, the exhaust pipe, the air filter, the air filter screen and the connecting pipe, the vacuum pump is effectively cooled, meanwhile, the environment nearby the vacuum pump can be cooled, and the environment is prevented from affecting the vacuum pump.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum pumps, in particular to an environmentally friendly two-stage oil-sealed rotary vane vacuum pump with a variable working volume. Background Art

[0002] A vacuum pump is a device or equipment that uses mechanical, physical, chemical or physicochemical methods to evacuate the container to obtain a vacuum. In layman's terms, a vacuum pump is a device that uses various methods to improve, generate and maintain a vacuum in a closed space.

[0003] According to the working principle of vacuum pump, vacuum pump can be basically divided into two types, namely gas capture pump and gas transmission pump. It is widely used in metallurgy, chemical industry, food, electronic coating and other industries;

[0004] However, the existing vacuum pumps do not have the function of efficient cooling, which easily leads to high temperature of the vacuum pump after long-term operation, and it is impossible to cool it down by relying on the temperature of the surrounding environment. For this reason, we propose an environmentally friendly two-stage oil-sealed rotary vane vacuum pump with variable working volume. Utility Model Content

[0005] The utility model aims to provide an environmentally friendly two-stage oil-sealed rotary vane vacuum pump with a variable working volume to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an environmentally friendly two-stage oil-sealed rotary vane vacuum pump with variable working volume, comprising a base plate, a vacuum pump body is fixedly connected to the middle end of the top of the base plate, a water tank is fixedly connected to the middle end of the top of the base plate and located on the outside of the vacuum pump body, a circulating water pump is fixedly installed at the lower end of the outside of the water tank by bolts, a water pump is fixedly connected to the input end of the circulating water pump, a guide pipe is fixedly connected to the input end of the water pump, a guide block is fixedly connected to the inner side of the guide pipe, the top of the guide pipe is connected to the bottom of one side of the water tank through a pipeline, the output end of the circulating water pump is connected to the bottom of one side of the water tank through a pipeline, a fan is fixedly installed on the outside of the water tank by bolts, the input end of the fan is fixedly connected to an exhaust pipe, the input end of the exhaust pipe is fixedly connected to an air filter, the inner cavity of the air filter is fixedly connected to an air filter, the middle end of the bottom of the air filter is fixedly connected to a connecting pipe, and the bottom of the connecting pipe is connected to one side of the water tank.

[0007] Preferably, the bottom of the inner cavity of the water tank is fixedly connected to a base, and the top of the base is fixedly connected to a refrigeration pipe by bolts.

[0008] Preferably, a battery box is fixedly connected to the outer side of the water tank, and a storage battery is fixedly connected to the inner cavity of the battery box.

[0009] Preferably, a charging port is provided at the middle end of one side of the battery box, and an output end of the charging port is electrically connected to an input end of the battery in a unidirectional manner.

[0010] Preferably, a PLC controller is fixedly mounted on the middle end of the outer side of the water tank by bolts, and control buttons are arranged on the surface of the PLC controller.

[0011] Preferably, a shell is welded to the middle end of the inner side of the water tank, and an exhaust fan is fixedly installed in the inner cavity of the shell by bolts.

[0012] Preferably, support legs are fixedly connected to both left and right sides of the bottom of the base plate, and anti-slip pads are provided at the bottom of the support legs.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model can effectively cool down the vacuum pump through the circulating water pump, the water pumping pipe, the guide pipe, the guide block, the fan, the exhaust pipe, the air filter, the air filter net and the connecting pipe. At the same time, it can also cool down the environment near the vacuum pump to prevent the environment from affecting the vacuum pump.

[0015] 2. The utility model can facilitate people to supply power to electrical equipment through the battery box, charging port and storage battery, and prevent power failure from affecting the normal operation of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the PLC controller of the utility model;

[0018] Figure 3 This is a schematic diagram of the charging port structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the refrigeration pipe structure of the utility model.

[0020] In the figure: 1. bottom plate; 2. circulating water pump; 3. water tank; 4. battery box; 5. battery; 6. fan; 7. vacuum pump body; 8. exhaust pipe; 9. guide block; 10. guide pipe; 11. water extraction pipe; 12. PLC controller; 13. air filter; 14. connecting pipe; 15. air filter; 16. exhaust fan; 17. outer casing; 18. charging port; 19. base; 20. refrigeration pipe. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The components of the present application, 1, base plate; 2, circulating water pump; 3, water tank; 4, battery box; 5, battery; 6, fan; 7, vacuum pump body; 8, exhaust duct; 9, guide block; 10, guide duct; 11, water suction pipe; 12, PLC controller; 13, air filter; 14, connecting pipe; 15, air filter; 16, exhaust fan; 17, outer casing; 18, charging port; 19, base; 20, refrigeration pipe, are all universal standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or through conventional experimental methods.

[0023] Embodiment 1:

[0024] See also Figure 1 , Figure 2 and Figure 3 In order to effectively cool down the vacuum pump and at the same time cool down the environment near the vacuum pump to prevent the environment from affecting the vacuum pump, the present embodiment provides the following technical solutions, which specifically disclose: a bottom plate 1, a vacuum pump body 7 is fixedly connected to the middle end of the top of the bottom plate 1, a water tank 3 is fixedly connected to the middle end of the top of the bottom plate 1 and located on the outside of the vacuum pump body 7, a circulating water pump 2 is fixedly installed at the lower end of the outside of the water tank 3 by bolts, a pumping pipe 11 is fixedly connected to the input end of the circulating water pump 2, a guide pipe 10 is fixedly connected to the input end of the pumping pipe 11, a guide block 9 is fixedly connected to the inner side of the guide pipe 10, the top of the guide pipe 10 is connected to the bottom of one side of the water tank 3 through a pipeline, the output end of the circulating water pump 2 is connected to the bottom of one side of the water tank 3 through a pipeline, and the outside of the water tank 3 is fixedly installed by bolts. A fan 6 is installed, an input end of the fan 6 is fixedly connected to an exhaust pipe 8, an input end of the exhaust pipe 8 is fixedly connected to an air filter 13, an inner cavity of the air filter 13 is fixedly connected to an air filter 15, a middle end of the bottom of the air filter 13 is fixedly connected to a connecting pipe 14, the bottom of the connecting pipe 14 is communicated with one side of the water tank 3, a base 19 is fixedly connected to the bottom of the inner cavity of the water tank 3, a refrigeration pipe 20 is fixedly connected to the top of the base 19 by bolts, a PLC controller 12 is fixedly installed at the middle end of the outer side of the water tank 3 by bolts, a control button is provided on the surface of the PLC controller 12, a shell 17 is welded to the middle end of the inner side of the water tank 3, an exhaust fan 16 is fixedly installed in the inner cavity of the shell 17 by bolts, and support legs are fixedly connected to the left and right sides of the bottom of the bottom plate 1, and anti-slip pads are provided at the bottom of the support legs;

[0025] During actual use, the operation is started by starting the circulating water pump 2, and water is pumped to the pumping pipe 11 through the circulating water pump 2, and water is pumped to the guide pipe 10 through the pumping pipe 11, and water is pumped to the inner cavity of the water tank 3 through the guide pipe 10. The cooling water continuously circulates through the guide pipe 10 and emits cold air. The cooling water circulating inside the guide pipe 10 can adsorb and take away the high temperature. The operation is started by starting the fan 6, and air is drawn into the inner cavity of the exhaust pipe 8 through the fan 6, and air is drawn into the inner cavity of the air filter 13 through the exhaust pipe 8. Air is drawn into the inner side of the water tank 3 through the connecting pipe 14, and the air near the inner side of the water tank 3 can be adsorbed through the connecting pipe 14. The adsorption of air through the connecting pipe 14 can make the air circulation accelerate the heat dissipation.

[0026] Embodiment 2:

[0027] See also Figure 1-3 In order to facilitate people to supply power to electrical equipment and prevent power outages from affecting the normal operation of the equipment, this embodiment provides the following technical solutions, which specifically disclose: a battery box 4 is fixedly connected to the outside of the water tank 3, a storage battery 5 is fixedly connected to the inner cavity of the battery box 4, a charging port 18 is provided at the middle end of one side of the battery box 4, and the output end of the charging port 18 is unidirectionally electrically connected to the input end of the storage battery 5;

[0028] In actual use, the storage battery 5 can be used to conveniently supply power to electrical equipment, and a charging port 18 is provided, through which the storage battery 5 can be charged.

[0029] During use: the operation is started by starting the circulating water pump 2, and water is pumped to the pumping pipe 11 through the circulating water pump 2, and water is pumped to the guide pipe 10 through the pumping pipe 11, and water is pumped to the inner cavity of the water tank 3 through the guide pipe 10, and cooling water continuously circulates through the guide pipe 10 and emits cold air, and the cooling water circulating inside the guide pipe 10 can adsorb and take away the high temperature, and the operation is started by starting the fan 6, and air is drawn into the inner cavity of the exhaust pipe 8 through the fan 6, and air is drawn into the inner cavity of the air filter 13 through the exhaust pipe 8, and air is drawn into the inner side of the water tank 3 through the connecting pipe 14, and the air near the inner side of the water tank 3 can be adsorbed through the connecting pipe 14, and the adsorption of air through the connecting pipe 14 can make the air circulation accelerate the heat dissipation.

[0030] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and ratio of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), installation arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0031] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. An environmentally friendly two-stage oil-sealed rotary vane vacuum pump with variable working volume, comprising a base plate (1), characterized in that: The middle end of the top of the bottom plate (1) is fixedly connected to a vacuum pump body (7); the middle end of the top of the bottom plate (1) and located outside the vacuum pump body (7) is fixedly connected to a water tank (3); the lower end of the outside of the water tank (3) is fixedly installed with a circulating water pump (2) by means of bolts; the input end of the circulating water pump (2) is fixedly connected to a water pumping pipe (11); the input end of the water pumping pipe (11) is fixedly connected to a guide pipe (10); the inner side of the guide pipe (10) is fixedly connected to a guide block (9); the top of the guide pipe (10) is connected to a side of the water tank (3) through a pipeline. The bottom of the water tank (3) is connected, the output end of the circulating water pump (2) is connected to the bottom of one side of the water tank (3) through a pipeline, the outer side of the water tank (3) is fixedly installed with a fan (6) by bolts, the input end of the fan (6) is fixedly connected to an exhaust pipe (8), the input end of the exhaust pipe (8) is fixedly connected to an air filter (13), the inner cavity of the air filter (13) is fixedly connected to an air filter net (15), the middle end of the bottom of the air filter (13) is fixedly connected to a connecting pipe (14), and the bottom of the connecting pipe (14) is connected to one side of the water tank (3).

2. The variable working volume, environmentally friendly two-stage oil-sealed rotary vane vacuum pump according to claim 1 is characterized in that: The bottom of the inner cavity of the water tank (3) is fixedly connected to a base (19), and the top of the base (19) is fixedly connected to a refrigeration pipe (20) via bolts.

3. The variable working volume, environmentally friendly two-stage oil-sealed rotary vane vacuum pump according to claim 1, characterized in that: The outer side of the water tank (3) is fixedly connected to a battery box (4), and the inner cavity of the battery box (4) is fixedly connected to a storage battery (5).

4. The variable working volume, environmentally friendly two-stage oil-sealed rotary vane vacuum pump according to claim 3 is characterized in that: A charging port (18) is provided at the middle end of one side of the battery box (4), and the output end of the charging port (18) is electrically connected to the input end of the storage battery (5) in a unidirectional manner.

5. The variable working volume, environmentally friendly two-stage oil-sealed rotary vane vacuum pump according to claim 1, characterized in that: A PLC controller (12) is fixedly mounted on the middle end of the outer side of the water tank (3) by means of bolts, and control buttons are arranged on the surface of the PLC controller (12).

6. The variable working volume, environmentally friendly two-stage oil-sealed rotary vane vacuum pump according to claim 1, characterized in that: An outer shell (17) is welded to the middle end of the inner side of the water tank (3), and an exhaust fan (16) is fixedly installed in the inner cavity of the outer shell (17) by means of bolts.

7. The variable working volume, environmentally friendly two-stage oil-sealed rotary vane vacuum pump according to claim 1, characterized in that: Support legs are fixedly connected to the left and right sides of the bottom of the base plate (1), and anti-slip pads are provided at the bottom of the support legs.

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