CN220522796U

CN220522796U - Screw vacuum pump

Info

Publication number: CN220522796U
Application number: CN202322019153.8U
Authority: CN
Inventors: 冯长青; 何佳; 王满亮
Original assignee: Jiangsu Hanna Pump Industry Co ltd
Current assignee: Jiangsu Hanna Pump Industry Co ltd
Priority date: 2023-07-31
Filing date: 2023-07-31
Publication date: 2024-02-23
Anticipated expiration: 2033-07-31

Abstract

The utility model discloses a screw vacuum pump, which comprises a base, wherein a driving motor is fixedly arranged at one end of the base, a shell is fixedly arranged at the other end of the base, a screw is fixedly arranged in the shell, an output port is formed at one end of the shell, an inlet port is fixedly arranged at the top end of the shell, a filtering assembly is fixedly arranged at one side of the inlet port, and a heat dissipation mechanism is fixedly arranged on the shell. The utility model has simple structure, comprehensive functions and convenient use, and can not only facilitate the circulation of air by fixedly arranging the one-way valves at the inlet and the outlet of the vacuum pump, but also better protect the inside of the vacuum pump from being damaged, and the heat dissipation mechanism is arranged on the shell of the vacuum pump, so that the heat dissipation fan can be utilized to drive the flow of cooling liquid, thereby more rapidly taking away the heat generated by the screw rod during the working and prolonging the service life of the vacuum pump.

Description

Screw vacuum pump

Technical Field

The utility model relates to the technical field of vacuum pumps, in particular to a screw vacuum pump.

Background

The screw vacuum pump is an air extracting device which uses a pair of screws to synchronously rotate in the opposite directions at high speed to produce air suction and air exhaust effects, is a newer product of an oil seal vacuum pump, can extract gas occasions containing a large amount of water vapor and a small amount of dust, and is widely applied to the fields of enterprises with high requirements on cleaning vacuum, such as domestic pharmacy, chemical industry, semiconductors and the like.

Screw vacuum pump is when the screw rod rotates, in order to let it have good breathing in, exhaust effect, the inner wall direct contact of screw rod and shell, consequently, when the screw rod rotates, can produce the friction with the shell, thereby when high-speed rotation, can produce a large amount of heats because of the friction, and then cause the screw rod vacuum pump temperature to be higher, burn out equipment easily, simultaneously because the vacuum pump can absorb moisture and dust in the air, will lead to the inside condition that takes place to corrode or wear of vacuum pump after long-time extraction, current filter equipment operation is too loaded down with trivial details and the cost is higher.

Disclosure of Invention

The utility model aims to provide a screw vacuum pump for solving the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a screw vacuum pump, includes the base, the one end fixed mounting of base has driving motor, the other end fixed mounting of base has the shell, fixed mounting has the screw rod in the shell, the delivery outlet has been seted up to the one end of shell, the top fixed mounting of shell has the inlet port, one side fixed mounting of inlet port has filtering component, fixed mounting has cooling machanism on the shell.

Preferably, the output port and the inlet port are respectively connected in a penetrating way in the shell, and the one-way valves are fixedly arranged on the output port and the inlet port.

Preferably, the filter assembly comprises a pipeline, a filter tank, a filter core and a protective cover, wherein the pipeline is respectively and fixedly connected to two sides of the filter tank, one side of the pipeline is fixedly connected to the inlet, and the other side of the pipeline is fixedly connected to the extraction equipment.

Preferably, the filter tank is a cylindrical tank with a hollow structure, one end of the cylindrical tank is fixedly arranged on the outer wall of the shell, the filter core is arranged in the filter tank, and the protective cover is screwed on the filter tank for sealing connection.

Preferably, the heat dissipation mechanism comprises a mounting plate, a heat dissipation fan, a water pump, a connecting pipe, a heat dissipation plate and a liquid storage tank, wherein the mounting plate is fixedly arranged on the outer wall of the shell, the heat dissipation fan is respectively and fixedly arranged on the mounting plate, and the liquid storage tank is fixedly arranged at the middle position of the heat dissipation fan and is connected to the water pump through a leather hose.

Preferably, the water pump is fixedly installed on one side of the heat dissipation fan, and is connected to the connecting pipe in a penetrating manner, and the connecting pipe is connected to the heat dissipation plate, wherein a heat dissipation hole is formed in the shell, and the heat dissipation hole is tightly attached to the connecting pipe.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the inlet and the outlet are arranged on the shell of the vacuum pump, and the one-way valves are fixedly arranged on the inlet and the outlet, so that impurities can be prevented from flowing back into the vacuum pump, the vacuum pump is damaged, and the filter assembly is fixedly connected to the inlet, wherein the filter core is arranged in the filter tank and is stably sealed by the protective cover;

according to the utility model, the shell is internally and uniformly provided with the plurality of radiating holes, the outer wall of the shell is fixedly connected with the radiating mechanism, the water pump is driven to work by the radiating fan, meanwhile, the water pump is fixedly connected to the liquid storage tank through the leather hose, the other end of the water pump is fixedly connected to the connecting pipe, and the connecting pipe is fixedly connected with the radiating fins, so that the connecting pipe is connected with the radiating holes in a penetrating way, and meanwhile, the radiating plate is attached to the shell, so that the shell can be quickly radiated, and the service life of the vacuum pump is further prolonged.

Drawings

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

FIG. 2 is a front view of the present utility model;

FIG. 3 is a side view of the heat dissipation mechanism of the present utility model;

fig. 4 is a side cross-sectional view of the housing of the present utility model.

In the figure: 1. a base; 2. a driving motor; 3. a housing; 4. a screw; 5. an output port; 6. an access port; 7. a filter assembly; 71. a pipe; 72. a filter tank; 73. a filter element; 74. a protective cover; 8. a heat dissipation mechanism; 81. a mounting plate; 82. a heat dissipation fan; 83. a water pump; 84. a connecting pipe; 85. a heat dissipation plate; 86. a liquid storage tank; 9. a one-way valve; 10. and the heat dissipation holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a screw vacuum pump, including base 1, the one end fixed mounting of base 1 has driving motor 2, the other end fixed mounting of base 1 has shell 3, fixed mounting has screw rod 4 in the shell 3, delivery outlet 5 has been seted up to the one end of shell 3, the top fixed mounting of shell 3 has access port 6, wherein delivery outlet 5 and access port 6 link up respectively in the inside of shell 3, and equal fixed mounting has check valve 9 on delivery outlet 5 and access port 6, check valve 9 not only can normally circulate like this and use, prevent that impurity from flowing backward that simultaneously can be better from entering into the inside of vacuum pump in, lead to the damage of equipment.

One side of the inlet 6 is fixedly provided with a filter assembly 7, wherein the filter assembly 7 consists of a pipeline 71, a filter tank 72, a filter core 73 and a protective cover 74, wherein the pipeline 71 is respectively and fixedly connected to two sides of the filter tank 72, one side of the pipeline 71 is fixedly connected to the inlet 6, the other side of the pipeline 71 is fixedly connected to extraction equipment, meanwhile, the filter tank 72 is a cylindrical tank with a hollow structure, one end of the pipeline 72 is fixedly arranged on the outer wall of the shell 3, the filter core 73 is placed in the filter tank 72, the protective cover 74 is screwed and connected to the filter tank 72 for sealing connection, so that moisture and dust in air can be filtered by the filter core 73, and the filter is convenient to detach and replace.

The shell 3 is fixedly provided with a heat dissipation mechanism 8, wherein the heat dissipation mechanism 8 consists of a mounting plate 81, a heat dissipation fan 82, a water pump 83, a connecting pipe 84, a heat dissipation plate 85 and a liquid storage tank 86, wherein the mounting plate 81 is fixedly mounted on the outer wall of the shell 3, the heat dissipation fan 82 is respectively fixedly mounted on the mounting plate 81, the liquid storage tank 86 is fixedly mounted at the middle position of the heat dissipation fan 82 and is connected on the water pump 83 through a leather hose, meanwhile, the water pump 83 is fixedly mounted on one side of the heat dissipation fan 82 and is connected on the connecting pipe 84 in a penetrating manner, the connecting pipe 84 is connected on the heat dissipation plate 85, a heat dissipation hole 10 is formed in the shell 3, the heat dissipation hole 10 is tightly attached to the connecting pipe 84, and accordingly the heat dissipation fan 82 is utilized to drive the water pump 83 to rotate, so that cooling liquid flows in the connecting pipe 84, and the shell 3 dissipates heat rapidly.

Working principle: when the device is used, the pipeline 71 is fixedly connected to equipment needing to be extracted by transporting the device to the designated bottom end, the driving motor 2 starts to rotate at the moment, the screw 4 is driven to start to work, at the moment, air is conveyed to the inside of the vacuum pump through the filter core 73 and is conveyed out from the output port 5, the one-way valves 9 are fixedly arranged on the inlet port 6 and the output port 5, so that the inside of the vacuum pump can be further protected from damage, the heat dissipation holes 10 are formed in the shell 3, the heat dissipation mechanism 8 is fixedly arranged on the shell 3, the water pump 83 is driven to start to rotate by the heat dissipation fan 82, the water pump 83 is connected to the liquid storage tank 86 through a leather hose, the other end is fixedly connected to the connecting pipe 84, the heat dissipation plate 85 is fixedly arranged on the connecting pipe 84, the connecting pipe 84 is tightly attached to the heat dissipation holes 10, and the cooling liquid flows rapidly in the shell 3, so that heat on the shell 3 is taken away, and the service life of the vacuum pump is further prolonged.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Screw vacuum pump, including base (1), its characterized in that: one end fixed mounting of base (1) has driving motor (2), the other end fixed mounting of base (1) has shell (3), fixed mounting has screw rod (4) in shell (3), delivery outlet (5) have been seted up to the one end of shell (3), the top fixed mounting of shell (3) has inlet port (6), one side fixed mounting of inlet port (6) has filter component (7), fixed mounting has cooling machanism (8) on shell (3).

2. The screw vacuum pump of claim 1, wherein: the output port (5) and the inlet port (6) are respectively connected in the shell (3) in a penetrating way, and the one-way valves (9) are fixedly arranged on the output port (5) and the inlet port (6).

3. The screw vacuum pump of claim 1, wherein: the filter assembly (7) consists of a pipeline (71), a filter tank (72), a filter core (73) and a protective cover (74), wherein the pipeline (71) is respectively and fixedly connected to two sides of the filter tank (72), one side of the pipeline (71) is fixedly connected to the inlet (6), and the other side of the pipeline (71) is fixedly connected to the extraction equipment.

4. A screw vacuum pump according to claim 3, wherein: the filter tank (72) is a cylindrical tank with a hollow structure, one end of the filter tank is fixedly arranged on the outer wall of the shell (3), the filter core (73) is placed inside the filter tank (72), and the protective cover (74) is screwed on the filter tank (72) for sealing connection.

5. The screw vacuum pump of claim 1, wherein: the heat dissipation mechanism (8) comprises a mounting plate (81), a heat dissipation fan (82), a water pump (83), a connecting pipe (84), a heat dissipation plate (85) and a liquid storage tank (86), wherein the mounting plate (81) is fixedly mounted on the outer wall of the shell (3), the heat dissipation fan (82) is fixedly mounted on the mounting plate (81) respectively, and the liquid storage tank (86) is fixedly mounted in the middle of the heat dissipation fan (82) and is connected to the water pump (83) through a leather hose.

6. The screw vacuum pump of claim 5, wherein: the water pump (83) is fixedly arranged on one side of the radiating fan (82), the through type radiating fan is connected to the connecting pipe (84), the connecting pipe (84) is connected to the radiating plate (85), the radiating holes (10) are formed in the shell (3), and the radiating holes (10) are tightly attached to the connecting pipe (84).