CN219081795U

CN219081795U - Air-cooled oilless efficient vacuum pump

Info

Publication number: CN219081795U
Application number: CN202223181859.6U
Authority: CN
Inventors: 李元
Original assignee: Jinan Qingchuan Instrument Co ltd
Current assignee: Jinan Qingchuan Instrument Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-05-26
Anticipated expiration: 2032-11-30

Abstract

The utility model relates to an air-cooled oil-free efficient vacuum pump which comprises a base, wherein a mounting plate is arranged in the base, a vacuum pump body is arranged on the upper surface of the mounting plate, a shell is arranged on the upper surface of the mounting plate, a buffer mechanism is arranged on the bottom wall of an inner cavity of the base, and an air cooling mechanism is arranged on the left side of the shell. This air-cooled oilless high-efficient vacuum pump has set up buffer gear in this air-cooled oilless high-efficient vacuum pump, mutually support through each structure among the buffer gear, through setting up first spring, locating lever, sleeve and movable rod, carry out effectual buffering to the pressure that the mounting panel received, the elasticity of first spring of then cooperation makes mounting panel and vacuum pump body reset fast, and then reduced the vibration that this vacuum pump produced at the during operation, reduced the vacuum pump probability of occurrence damage, prolonged the life of this vacuum pump, improved the practicality of this vacuum pump on the whole.

Description

Air-cooled oilless efficient vacuum pump

Technical Field

The utility model relates to the technical field of vacuum pumps, in particular to an air-cooled oil-free efficient vacuum pump.

Background

The vacuum pump is a device or equipment for obtaining vacuum by pumping a pumped container by using a mechanical, physical, chemical or physicochemical method, is a device for improving, generating and maintaining vacuum in a certain enclosed space by using various methods, can be basically divided into two types according to the working principle of the vacuum pump, namely a gas trapping pump and a gas transmission pump, is widely used in industries such as metallurgy, chemical industry, food and electronic coating, and the like, and is a mechanical vacuum pump capable of operating without any oil lubrication, and has the advantages of simple structure, easy operation, convenient maintenance, no environmental pollution, and the like, is good in durability, is a vacuumizing and compressing dual-purpose vacuum pump, and is a basic equipment for obtaining vacuum in a very wide application range.

Chinese patent CN208564982U discloses a high-efficient energy-saving vertical vacuum pump, including fixing base, organic gas filter box and access hole, install the vacuum pump body above the fixing base, vacuum pump body one end top is provided with the inlet port, install the organic gas filter box directly over the inlet port, the macropore adsorption activated carbon has been transversely placed between the organic gas filter box inner wall, the macropore adsorption activated carbon bottom is connected with modified oleophobic fiber ball, the internal thread portion has been seted up to organic gas filter box top port inboard, internal thread portion outside one end is provided with the granule filter box, the utility model utilizes the flange to fix organic gas filter box through the organic gas filter box that sets up, the inlet port utilizes the flange to prevent organic gas to get into the vacuum pump, ensure the normal operating of pump body, on the other hand, organic gas is through macropore adsorption activated carbon and modified oleophobic fiber ball double filtration, prevents the pollution of organic gas to the environment, high-efficient environmental protection.

Although the above patent can achieve the purpose of preventing the pollution of the organic gas to the environment, the vacuum pump is not considered to be easy to generate severe vibration in the working process of the pump, and the vibration can cause damage to the pump and affect the service life of the vacuum pump.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an air-cooled oil-free efficient vacuum pump, which has the advantage of good buffering effect, and solves the problems that the vacuum pump is easy to generate severe vibration in the working process of the pump, the pump is damaged due to vibration, and the service life of the vacuum pump is influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the air-cooled oil-free efficient vacuum pump comprises a base, wherein an installation plate is arranged in the base, a vacuum pump body is arranged on the upper surface of the installation plate, a shell is arranged on the upper surface of the installation plate, a buffer mechanism is arranged on the bottom wall of an inner cavity of the base, and an air cooling mechanism is arranged on the left side of the shell;

the buffering mechanism comprises a main buffering assembly and an auxiliary buffering assembly, the main buffering assembly comprises two vertical plates fixed on the bottom wall of an inner cavity of a base, positioning rods are fixed on one sides of the vertical plates, which are opposite to each other, sleeves are slidably connected to the outer sides of the positioning rods, first springs are fixed on one sides of the sleeves, which are opposite to each other, and movable rods are hinged to the upper surfaces of the sleeves through hinge brackets.

Further, the left and right side walls of the inner cavity of the base are respectively fixed with a guide rail, the left and right sides of the mounting plate are respectively fixed with a pulley, and the pulleys are in sliding connection with the inside of the guide rails.

Further, two the riser symmetry distributes in the left and right sides of the vertical axis of base, telescopic one end is kept away from to the movable rod is articulated with the lower surface of mounting panel through the articulated frame.

Further, the diapire of base inner chamber is fixed with the slide rail, telescopic lower surface is fixed with the slider, slider sliding connection is in the inside of slide rail.

Further, the auxiliary buffering component comprises a damper fixed on the bottom wall of the inner cavity of the base, a second spring is sleeved on the outer surface of the damper, and a rubber block is fixed on the inner bottom wall of the base.

Further, the one end that the base inner chamber diapire was kept away from to the attenuator is fixed with the lower surface of mounting panel, the rubber block suit is in the outside of attenuator.

Further, the forced air cooling mechanism is including seting up at the left installing port of casing, the inside of installing port is provided with the dust board, the left side wall of casing inner chamber is fixed with two connecting plates, two the opposite one side of connecting plate is provided with the fan, the louvre that is not less than two in quantity has been seted up on the right side of casing.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this air-cooled oilless high-efficient vacuum pump has set up buffer gear in this air-cooled oilless high-efficient vacuum pump, through mutually supporting between each structure in the buffer gear, through setting up first spring, locating lever, sleeve and movable rod, carry out effectual buffering to the pressure that the mounting panel received, the elasticity of second cooperation first spring makes mounting panel and vacuum pump body reset fast, and then has reduced the vibration that this vacuum pump produced at the during operation, has reduced the probability that vacuum pump appearance was damaged, has prolonged the life of this vacuum pump.

2. According to the air-cooled oil-free efficient vacuum pump, the air cooling mechanism is arranged in the air-cooled oil-free efficient vacuum pump, and through mutual cooperation among all structures in the air cooling mechanism, the purpose of air cooling is achieved by arranging the mounting port, the fan and the radiating hole, air circulation in the casing is quickened, and the purpose of radiating the vacuum pump body is achieved.

Drawings

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

FIG. 2 is a schematic view of a cushioning mechanism according to the present utility model;

FIG. 3 is a schematic diagram of an air cooling mechanism according to the present utility model.

In the figure: 1 base, 2 mounting plates, 3 vacuum pump bodies, 4 machine shells, 5 buffer mechanisms, 501 vertical plates, 502 positioning rods, 503 sleeves, 504 first springs, 505 movable rods, 506 dampers, 507 second springs, 508 rubber blocks, 6 air cooling mechanisms, 601 mounting ports, 602 dust baffles, 603 connecting plates, 604 fans and 605 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, an air-cooled oil-free efficient vacuum pump in this embodiment includes a base 1, a mounting plate 2 is disposed in the base 1, a vacuum pump body 3 is mounted on an upper surface of the mounting plate 2, a casing 4 is disposed on an upper surface of the mounting plate 2, a buffer mechanism 5 is disposed on a bottom wall of an inner cavity of the base 1, and an air cooling mechanism 6 is disposed on a left side of the casing 4.

The left and right sides wall of the inner chamber of the base 1 is fixed with a guide rail, the left and right sides of the mounting plate 2 is fixed with pulleys, the pulleys are in sliding connection with the inside of the guide rail, when the mounting plate 2 moves, the pulleys are driven to move simultaneously, and at the moment, the pulleys slide in the inside of the guide rail.

Referring to fig. 2, in order to reduce vibration generated by the vacuum pump body 3 during operation, the buffer mechanism 5 in this embodiment includes a main buffer assembly and an auxiliary buffer assembly, the main buffer assembly includes two vertical plates 501 fixed on the bottom wall of the inner cavity of the base 1, two opposite sides of the vertical plates 501 are respectively fixed with a positioning rod 502, the outer sides of the positioning rods 502 are slidably connected with sleeves 503, opposite sides of the two sleeves 503 are respectively fixed with a first spring 504, the upper surface of the sleeve 503 is hinged with a movable rod 505 through a hinge bracket, the first springs 504 are sleeved on the outer sides of the positioning rods 502, one side of the left first spring 504 far from the left sleeve 503 is fixed with the left side wall of the inner cavity of the base 1, and one side of the right first spring 504 far from the right sleeve 503 is fixed with the right side wall of the inner cavity of the base 1.

Two vertical plates 501 are symmetrically distributed on the left and right sides of the longitudinal central axis of the base 1, and one end of the movable rod 505, which is far away from the sleeve 503, is hinged with the lower surface of the mounting plate 2 through a hinge bracket.

The bottom wall of the inner cavity of the base 1 is fixed with a sliding rail, the lower surface of the sleeve 503 is fixed with a sliding block, and the sliding block is in sliding connection with the inside of the sliding rail.

The auxiliary buffer assembly comprises a damper 506 fixed on the bottom wall of the inner cavity of the base 1, the model of the damper 506 is YDS, the damper is a mature technology in the prior art, the outer surface of the damper 506 is sleeved with a second spring 507, two sides of the second spring 507 are respectively fixed with a rubber block 508 and the mounting plate 2, and the rubber block 508 is fixed on the inner bottom wall of the base 1.

One end of the damper 506, which is far away from the bottom wall of the inner cavity of the base 1, is fixed with the lower surface of the mounting plate 2, and the rubber block 508 is sleeved on the outer side of the damper 506.

The principle of the damper 506 is to reduce vibration, convert friction into internal energy, and generate damping, where damping refers to the characteristic that the amplitude of vibration of any vibration system gradually decreases due to external effects such as fluid resistance and friction or the like or the inherent causes of the system, while the rubber block 508 plays a role in preventing resonance.

Referring to fig. 3, in order to achieve heat dissipation of the vacuum pump body 3, the air cooling mechanism 6 in this embodiment includes a mounting opening 601 formed on the left side of the casing 4, a dust baffle 602 is disposed in the mounting opening 601, the dust baffle 602 plays a role in preventing external dust from entering the casing 4, two connecting plates 603 are fixed on the left side wall of the inner cavity of the casing 4, a fan 604 is disposed on one side of the two connecting plates 603 opposite to each other, the fan 604 is connected with an external two hundred twenty volt power supply, a number of heat dissipation holes 605 are formed on the right side of the casing 4, and a gauze is disposed in the heat dissipation holes 605 to block dust.

Standard parts used in the method can be purchased from the market, special-shaped parts can be customized according to description of specifications and drawings, specific connection modes of the parts are conventional means such as mature bolts, rivets and welding in the prior art, machines, parts and equipment are conventional in the prior art, and circuit connection is conventional in the prior art, so that the special-shaped parts are not described in detail.

The working principle of the embodiment is as follows:

(1) When the vacuum pump body 3 works, certain heat is generated, the heat can leave the shell 4 from the mounting port 601 formed in the left side of the shell 4 and the plurality of radiating holes 605 formed in the right side of the shell 4, the dust baffle 602 arranged in the mounting port 601 plays a role in preventing external dust from entering the shell 4, when the temperature inside the shell 4 is too high, the fan 604 is started at the moment and is acted by the fan 604, the fan 604 generates rightward air to blow the heat inside the shell 4 rightward, and finally the heat leaves the shell 4 from the plurality of radiating holes 605 formed in the right side of the shell 4, so that the ventilation inside the shell 4 is quickened, and the effect of radiating the vacuum pump body 3 is realized.

(2) When the vacuum pump body 3 works, vibration is generated, the mounting plate 2 is subjected to downward pressure, the mounting plate 2 moves downwards to drive the movable rod 505 to move, the movable rod 505 moves to drive the sleeve 503 to move away from the longitudinal central axis of the base 1, the sleeve 503 slides outside the positioning rod 502, the first spring 504 is compressed, the pressure applied to the mounting plate 2 is effectively buffered through the elastic force of the first spring 504, the mounting plate 2 is quickly reset through the rebound of the first spring 504, the stability of the vacuum pump body 3 is ensured, the length of the damper 506 is shortened, the second spring 507 is compressed, the principle of the damper 506 is to reduce vibration, the friction is converted into internal energy, damping is generated, the damping refers to the characteristic that the vibration amplitude of any vibration system gradually decreases due to external effects such as fluid resistance, friction force and the like or the intrinsic reason of the system in vibration, and the rubber block 508 plays a role in preventing resonance condition, so that the vibration generated by the vacuum pump body 3 can be reduced when the vacuum pump body works.

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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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. The utility model provides an air-cooled oilless high-efficient vacuum pump, includes base (1), its characterized in that: the novel vacuum pump is characterized in that a mounting plate (2) is arranged in the base (1), a vacuum pump body (3) is mounted on the upper surface of the mounting plate (2), a casing (4) is arranged on the upper surface of the mounting plate (2), a buffer mechanism (5) is arranged on the bottom wall of an inner cavity of the base (1), and an air cooling mechanism (6) is arranged on the left side of the casing (4);

the buffer mechanism (5) comprises a main buffer assembly and an auxiliary buffer assembly, the main buffer assembly comprises two vertical plates (501) fixed on the bottom wall of an inner cavity of the base (1), one side, opposite to the other side, of each vertical plate (501) is fixedly provided with a positioning rod (502), the outer side of each positioning rod (502) is slidably connected with a sleeve (503), one side, opposite to the other side, of each sleeve (503) is fixedly provided with a first spring (504), and the upper surface of each sleeve (503) is hinged with a movable rod (505) through a hinge bracket.

2. An air-cooled, oil-free, high-efficiency vacuum pump as claimed in claim 1, wherein: guide rails are fixed on the left side wall and the right side wall of the inner cavity of the base (1), pulleys are fixed on the left side and the right side of the mounting plate (2), and the pulleys are slidably connected in the guide rails.

3. An air-cooled, oil-free, high-efficiency vacuum pump as claimed in claim 1, wherein: the two vertical plates (501) are symmetrically distributed on the left side and the right side of the longitudinal central axis of the base (1), and one end, far away from the sleeve (503), of the movable rod (505) is hinged with the lower surface of the mounting plate (2) through a hinge bracket.

4. An air-cooled, oil-free, high-efficiency vacuum pump as claimed in claim 1, wherein: the bottom wall of the inner cavity of the base (1) is fixedly provided with a sliding rail, the lower surface of the sleeve (503) is fixedly provided with a sliding block, and the sliding block is in sliding connection with the inside of the sliding rail.

5. An air-cooled, oil-free, high-efficiency vacuum pump as claimed in claim 1, wherein: the auxiliary buffering assembly comprises a damper (506) fixed on the bottom wall of the inner cavity of the base (1), a second spring (507) is sleeved on the outer surface of the damper (506), and a rubber block (508) is fixed on the inner bottom wall of the base (1).

6. An air-cooled, oil-free, high-efficiency vacuum pump as claimed in claim 5, wherein: one end of the damper (506) far away from the bottom wall of the inner cavity of the base (1) is fixed with the lower surface of the mounting plate (2), and the rubber block (508) is sleeved on the outer side of the damper (506).

7. An air-cooled, oil-free, high-efficiency vacuum pump as claimed in claim 1, wherein: the air cooling mechanism (6) comprises a mounting opening (601) formed in the left side of the casing (4), dust baffle plates (602) are arranged in the mounting opening (601), two connecting plates (603) are fixed on the left side wall of an inner cavity of the casing (4), fans (604) are arranged on one side, opposite to the connecting plates (603), of the two connecting plates, and heat dissipation holes (605) with the number not less than two are formed in the right side of the casing (4).