CN210440213U

CN210440213U - Vacuum pump

Info

Publication number: CN210440213U
Application number: CN201921401135.3U
Authority: CN
Inventors: 雷晓宏; 吴桐
Original assignee: Beijing Grandhitek Co ltd
Current assignee: Beijing Tongjia Hongrui Technology Co.,Ltd.
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-05-01
Anticipated expiration: 2029-08-23

Abstract

The utility model discloses a vacuum pump, concretely relates to vacuum pump technical field, including the base and the pump body, the base top is fixed with the pump body, pump body top is equipped with intake pipe and outlet duct, the outlet duct is installed at the intake pipe rear, the intake pipe top is equipped with damper; the damping mechanism comprises a cylinder, the cylinder is fixed to the top end of the air inlet pipe, a filter screen is fixed to the inner wall of the cylinder, a rubber corrugated pipe is fixed to the top end of the cylinder, and a connecting flange is arranged at the end of the rubber corrugated pipe. The utility model discloses a rubber bellows realizes shock-absorbing function, effectively guarantees the steadiness that flange and container are connected.

Description

Vacuum pump

Technical Field

The utility model relates to a vacuum pump technical field, more specifically say, the utility model relates to a vacuum pump.

Background

Vacuum pumps are devices or apparatuses for obtaining vacuum by mechanically, physically, chemically or physico-chemically pumping a pumped container, and in general, vacuum pumps are devices for improving, generating and maintaining vacuum in a closed space by various methods, dry vacuum pumps are widely used in pharmaceutical, semiconductor and flat plate manufacturing processes, examples of the dry vacuum pumps include roots pumps, claw dry pumps, screw pumps and the like, and cast iron parts have been widely used for a long time in manufacturing stator and rotor parts of the dry vacuum pumps.

The vacuum pump is usually connected intake pipe and container, then carries out the evacuation operation to the container, because the motor of vacuum pump produces vibrations easily at the during operation, vibrations reduce the stability of connecting easily on passing through the intake pipe and transmitting the container.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a vacuum pump realizes shock-absorbing function through rubber bellows, effectively guarantees the steadiness that flange and container are connected to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a vacuum pump comprises a base and a pump body, wherein the pump body is fixed at the top end of the base, an air inlet pipe and an air outlet pipe are arranged at the top end of the pump body, the air outlet pipe is arranged behind the air inlet pipe, a damping mechanism is arranged at the top end of the air inlet pipe, two supporting mechanisms penetrate through the base and are arranged on two sides of the pump body;

the damping mechanism comprises a cylinder, the cylinder is fixed at the top end of the air inlet pipe, a filter screen is fixed on the inner wall of the cylinder, a rubber corrugated pipe is fixed at the top end of the cylinder, and a connecting flange is arranged at the end part of the rubber corrugated pipe;

the supporting mechanism comprises an outer shell, the outer shell is fixed at the bottom of the base, a transverse plate and two universal wheels are installed inside the outer shell, the two universal wheels are fixed at the bottom of the transverse plate, the transverse plate is arranged at the bottom of the base, a threaded rod penetrates through the base and is arranged on the base, the threaded rod is installed at the top of the transverse plate, and a rubber pad is fixed at the bottom of the outer shell.

In a preferred embodiment, a first flange plate is fixed at the top end of the air inlet pipe, a first flange pad is arranged at the top end of the first flange plate, a second flange plate is installed at the top end of the first flange pad and fixed at the bottom end of the cylinder, and the first flange plate, the first flange pad and the second flange plate are fixedly connected through bolts and nuts.

In a preferred embodiment, a third flange plate is fixed at the top end of the cylinder, a second flange plate is arranged at the top end of the third flange plate, a fourth flange plate is arranged at the top end of the second flange plate, the fourth flange plate is fixed at the bottom end of the rubber corrugated pipe, and the third flange plate, the second flange plate and the fourth flange plate are fixedly connected through bolts and nuts.

In a preferred embodiment, the base is provided with four guide rods in a penetrating manner, the four guide rods are respectively installed on two sides of the pump body, the top end of the transverse plate is fixedly provided with two guide rods, and the two guide rods are symmetrically installed on the front side and the rear side of the threaded rod.

In a preferred embodiment, the threaded rod is connected to the base by means of a thread, and the threaded rod is connected in rotation to the transverse plate by means of a bearing.

In a preferred embodiment, the pump body internally comprises a stator part and a rotor part, at least one of the stator part and the rotor part is made of hastelloy or nickel aluminium bronze, and the as-cast blank is annealed at a temperature of about 675 ℃.

The utility model discloses a technological effect and advantage:

1. the utility model discloses when in actual use, utilize the bolt to fix flange on the rubber bellows and the container that needs the evacuation, then utilize the pump body to suck the gas in the container out, the pump body during operation simultaneously produces vibrations, vibrations are transmitted to the rubber bellows through intake pipe, drum, the rubber bellows realizes shock-absorbing function, effectively guarantees the steadiness that flange and container are connected, and the filter screen blocks the impurity that gets into the pump body inside simultaneously, prevents effectively that impurity from damaging the part in the pump body, effectively improves the security;

2. through the design of the rubber pad, the stability of the base is effectively improved, when the utility model needs to be moved, the threaded rod is rotated to enable the universal wheel to move downwards, so that the universal wheel is contacted with the ground, the base is jacked upwards to a proper height, then the utility model is moved by utilizing the universal wheel, thereby effectively reducing the labor intensity of personnel carrying the utility model and increasing the functionality;

3. the utility model discloses a corrosion resistance of stator part and rotor part in the pump body can be strong, and effectual improvement processing property and tensile strength for the pump body effectively reduces the loss of its inside stator part and rotor part when carrying the gas of relative corrosivity, has effectively prolonged the life of stator part and rotor part.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a schematic structural diagram of the damping mechanism of the present invention.

Fig. 4 is a schematic view of the three-dimensional structure of the cylinder of the present invention.

Fig. 5 is a schematic front view of the supporting mechanism of the present invention.

Fig. 6 is a schematic side view of the supporting mechanism of the present invention.

The reference signs are: the device comprises a base 1, a pump body 2, an air inlet pipe 3, an air outlet pipe 4, a damping mechanism 5, a supporting mechanism 6, a flange I7, a flange I8, a flange II 9, a flange III 10, a flange II 11, a flange IV 12, a guide rod 13, a cylinder 51, a filter screen 52, a rubber bellows 53, a connecting flange 54, a shell 61, a threaded rod 62, a transverse plate 63, a universal wheel 64 and a rubber pad 65.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The vacuum pump shown in the attached drawings 1-4 comprises a base 1 and a pump body 2, wherein the pump body 2 is fixed at the top end of the base 1, an air inlet pipe 3 and an air outlet pipe 4 are arranged at the top end of the pump body 2, the air outlet pipe 4 is installed behind the air inlet pipe 3, and a damping mechanism 5 is arranged at the top end of the air inlet pipe 3;

the damping mechanism 5 comprises a cylinder 51, the cylinder 51 is fixed at the top end of the air inlet pipe 3, a filter screen 52 is fixed on the inner wall of the cylinder 51, a rubber corrugated pipe 53 is fixed at the top end of the cylinder 51, and a connecting flange 54 is arranged at the end part of the rubber corrugated pipe 53;

a first flange plate 7 is fixed at the top end of the air inlet pipe 3, a first flange pad 8 is arranged at the top end of the first flange plate 7, a second flange plate 9 is arranged at the top end of the first flange pad 8, the second flange plate 9 is fixed at the bottom end of the cylinder 51, and the first flange plate 7, the first flange pad 8 and the second flange plate 9 are fixedly connected through bolts and nuts;

the top end of the cylinder 51 is fixed with a third flange plate 10, the top end of the third flange plate 10 is provided with a second flange pad 11, the top end of the second flange pad 11 is provided with a fourth flange plate 12, the fourth flange plate 12 is fixed at the bottom end of the rubber corrugated pipe 53, and the third flange plate 10, the second flange pad 11 and the fourth flange plate 12 are fixedly connected through bolts and nuts.

The implementation mode is specifically as follows: in practical use, the utility model utilizes the bolt to fix the connecting flange 54 on the rubber bellows 53 with the container to be vacuumized, then the pump body 2 is started, the pump body 2 works to suck the gas in the container into the pump body 2 through the rubber bellows 53, the cylinder 51 and the air inlet pipe 3, then the gas is discharged from the air outlet pipe 4, meanwhile, the pump body 2 generates vibration during working, the vibration is transmitted to the rubber bellows 53 through the air inlet pipe 3 and the cylinder 51, thereby extruding or stretching the rubber bellows 53, because the rubber bellows 53 is made of rubber, the rubber bellows 53 generates elasticity, thereby effectively reducing the vibration amplitude transmitted to the connecting flange 54, further effectively reducing the vibration amplitude transmitted to the container, further effectively ensuring the connection stability of the connecting flange 54 and the container, effectively ensuring the normal working, and simultaneously working, the filter screen 52 inside the cylinder 51 blocks impurities entering the pump body 2, so that the impurities are effectively prevented from entering the pump body 2 to damage parts inside, and safety is effectively improved.

The vacuum pump shown in fig. 1, fig. 2, fig. 5 and fig. 6 further comprises two supporting mechanisms 6, wherein the two supporting mechanisms 6 are all arranged on the base 1 in a penetrating manner, the two supporting mechanisms 6 are arranged on two sides of the pump body 2, each supporting mechanism 6 comprises a shell 61, the shell 61 is fixed at the bottom end of the base 1, a transverse plate 63 and two universal wheels 64 are arranged inside the shell 61, the two universal wheels 64 are both fixed at the bottom end of the transverse plate 63, the transverse plate 63 is arranged at the bottom end of the base 1, a threaded rod 62 is arranged on the base 1 in a penetrating manner, the threaded rod 62 is arranged at the top end of the transverse plate 63, and a rubber pad 65 is fixed at;

four guide rods 13 penetrate through the base 1, the four guide rods 13 are respectively installed on two sides of the pump body 2, two guide rods 13 are fixedly arranged at the top end of the transverse plate 63, and the two guide rods 13 are symmetrically installed on the front side and the rear side of the threaded rod 62;

the threaded rod 62 is connected with the base 1 through threads, and the threaded rod 62 is rotatably connected with the transverse plate 63 through a bearing.

The implementation mode is specifically as follows: through the design of the rubber pad 65, the vibration generated by the operation of the pump body 2 is transmitted to the rubber pad 65 through the base 1 and the shell 61, thereby extruding or stretching the rubber pad 65, because the rubber pad 65 is made of rubber material, the rubber pad 65 generates elasticity, thereby effectively reducing the vibration amplitude transmitted to the ground, and further effectively improving the stability of the base 1, when the utility model needs to be moved, a person rotates the threaded rod 62, because the threaded rod 62 is connected with the base 1 through threads, and the threaded rod 62 is rotationally connected with the transverse plate 63 through a bearing, the threaded rod 62 rotates and simultaneously moves downwards, thereby simultaneously driving the transverse plate 63 and the universal wheel 64 to move downwards, further enabling the universal wheel 64 to contact with the ground, and jacking the base 1 upwards to a proper height, then utilizing the universal wheel 64 to move the utility model, and further effectively reducing the labor intensity of the person for carrying the utility model, the functionality is increased.

A vacuum pump as shown in fig. 1 and 2, further comprising a pump body 2, wherein the pump body 2 internally comprises a stator part and a rotor part, at least one of the stator part and the rotor part is made of hastelloy or nickel-aluminum bronze, and the as-cast blank is annealed at about 675 ℃.

The implementation mode is specifically as follows: the utility model discloses a corrosion resistance of stator part and rotor part in the pump body 2 can be strong, and effectual improvement processing property and tensile strength for pump body 2 effectively reduces the loss of its inside stator part and rotor part when carrying the gas of relative corrosivity, has effectively prolonged the life of stator part and rotor part.

The utility model discloses the theory of operation:

referring to the attached drawings 1-4 of the specification, in practical use, the utility model utilizes the bolt to fix the connecting flange 54 on the rubber bellows 53 and the container to be vacuumized, then utilizes the pump body 2 to suck out the gas in the container, meanwhile, the pump body 2 generates vibration during working, the vibration is transmitted to the rubber bellows 53 through the air inlet pipe 3 and the cylinder 51, the rubber bellows 53 realizes the damping function, the stability of the connection of the connecting flange 54 and the container is effectively ensured, meanwhile, the filter screen 52 blocks the impurities entering the interior of the pump body 2, the parts in the pump body 2 are effectively prevented from being damaged by the impurities, and the safety is effectively improved;

referring to the attached

drawings

1, 2, 5 and 6 of the specification, the stability of the base 1 is effectively improved through the design of the rubber pad 65, when the utility model needs to be moved, the threaded rod 62 is rotated to enable the universal wheel 64 to move downwards, further the universal wheel 64 is contacted with the ground, the base 1 is jacked upwards to a proper height, then the universal wheel 64 is utilized to move the utility model, further the labor intensity of personnel for carrying is effectively reduced, and the functionality is increased;

referring to description attached drawing 1 and fig. 2, the utility model discloses a corrosion resistance of stator part and rotor part in the pump body 2 can be strong, and effectual improvement processability and tensile strength for pump body 2 effectively reduces the loss of its inside stator part and rotor part when carrying the gas of relative corrosivity, has effectively prolonged the life of stator part and rotor part.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A vacuum pump, includes base (1) and pump body (2), its characterized in that: the pump body (2) is fixed at the top end of the base (1), the air inlet pipe (3) and the air outlet pipe (4) are arranged at the top end of the pump body (2), the air outlet pipe (4) is installed behind the air inlet pipe (3), the damping mechanism (5) is arranged at the top end of the air inlet pipe (3), two supporting mechanisms (6) penetrate through the base (1), and the two supporting mechanisms (6) are arranged on two sides of the pump body (2);

the damping mechanism (5) comprises a cylinder (51), the cylinder (51) is fixed at the top end of the air inlet pipe (3), a filter screen (52) is fixed on the inner wall of the cylinder (51), a rubber corrugated pipe (53) is fixed at the top end of the cylinder (51), and a connecting flange (54) is arranged at the end part of the rubber corrugated pipe (53);

supporting mechanism (6) include shell (61), shell (61) are fixed in base (1) bottom, shell (61) internally mounted diaphragm (63) and two universal wheel (64), two universal wheel (64) are all fixed in diaphragm (63) bottom, establish in base (1) bottom diaphragm (63), run through on base (1) and be equipped with threaded rod (62), threaded rod (62) are installed on diaphragm (63) top, shell (61) bottom mounting has rubber pad (65).

2. A vacuum pump according to claim 1, wherein: intake pipe (3) top is fixed with ring flange (7), ring flange (7) top is equipped with flange pad (8), flange pad (8) top installation ring flange two (9), ring flange two (9) are fixed in drum (51) bottom, ring flange (7), flange pad (8) and ring flange two (9) are through bolt and nut fixed connection.

3. A vacuum pump according to claim 1, wherein: the rubber corrugated pipe is characterized in that a flange plate III (10) is fixed to the top end of the cylinder (51), a flange pad II (11) is arranged on the top end of the flange plate III (10), a flange plate IV (12) is installed on the top end of the flange pad II (11), the flange plate IV (12) is fixed to the bottom end of the rubber corrugated pipe (53), and the flange plate III (10), the flange pad II (11) and the flange plate IV (12) are fixedly connected through bolts and nuts.

4. A vacuum pump according to claim 1, wherein: four guide rods (13) penetrate through the base (1), the four guide rods (13) are respectively installed on two sides of the pump body (2), two guide rods (13) are fixedly arranged at the top end of the transverse plate (63), and the two guide rods (13) are symmetrically installed on the front side and the rear side of the threaded rod (62).

5. A vacuum pump according to claim 1, wherein: the threaded rod (62) is connected with the base (1) through threads, and the threaded rod (62) is rotatably connected with the transverse plate (63) through a bearing.

6. A vacuum pump according to claim 1, wherein: the pump body (2) internally comprises a stator component and a rotor component, at least one of the stator component and the rotor component is made of hastelloy or nickel-aluminum bronze, and the as-cast blank is annealed at about 675 ℃.