CN213419363U

CN213419363U - Dry-type screw vacuum pump device

Info

Publication number: CN213419363U
Application number: CN202020352107.3U
Authority: CN
Inventors: 符纯全
Original assignee: Zhuochi Jiangsu Energy Saving Technology Co ltd
Current assignee: Zhuochi Jiangsu Energy Saving Technology Co ltd
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2021-06-11
Anticipated expiration: 2030-03-19

Abstract

The utility model belongs to vacuum pump machine field, especially, dry-type screw vacuum pump device, including placing the platform, the equal fixed mounting in bottom four corners position of placing the platform has the support, the top of placing the platform is equipped with the horizontal platform, and the top side of horizontal platform is equipped with three first aperture along vertical direction equidistant, and the equal movable mounting in three first aperture has the buffering dead lever, and the top of buffering dead lever extends to the top of first aperture, and the bottom fixed mounting of buffering dead lever is on placing the platform, the equidistant fixed mounting in top side of horizontal platform has a plurality of straight-bar. The utility model provides an existing easy vibrations instability and the easy shortcoming of damaging pump body inner structure that shakes among the prior art, guaranteed that the vacuum pump machine can both play absorbing effect about can controlling at the in-process of work, make the vacuum pump machine can not lead to inner structure to damage because of shaking at the during operation.

Description

Dry-type screw vacuum pump device

Technical Field

The utility model relates to a vacuum pump machine technical field especially relates to a dry-type screw vacuum pump machine device.

Background

Vacuum pumps are the basic components of vacuum equipment. With the progress of society and the development of economy, the living standard of people is gradually submitted, and the requirements on the working environment and the performance of the vacuum pump are higher and higher. The screw type vacuum pump is an ideal dry pump appearing in 90 years of the 20 th century, has a wide application prospect and a great development potential, and plays an important role in the vacuum pump market. The dry screw vacuum pump generates suction and exhaust actions by a pair of screws rotating in a pump housing in a synchronous high-speed reverse direction.

However, the conventional screw vacuum pump has the following problems that persistent and irregular blocking vibration is caused due to the turbulent fluctuation of the exhaust air flow, the stability of the whole pump body is affected after a long time, and even the parts of the pump body are damaged, so that the screw vacuum pump is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that has easy vibrations instability and vibrations fragile pump body inner structure among the prior art, and the dry screw vacuum pump device that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a dry screw vacuum pump device comprises a placing table and a vacuum pump machine, wherein supports are fixedly arranged at four corners of the bottom of the placing table, a transverse table is arranged at the top of the placing table, three first small holes are formed in the top side of the transverse table at equal intervals along the vertical direction, buffering fixing rods are movably arranged in the three first small holes, the top ends of the buffering fixing rods extend to the upper portions of the first small holes, the bottom of the buffering fixing rods are fixedly arranged on the placing table, a plurality of straight rods are fixedly arranged on the top side of the transverse table at equal intervals, the top ends of the straight rods are fixedly provided with the same vacuum pump machine, two first grooves are formed in the top of the placing table, piston cylinders are fixedly arranged in the two first grooves, second small holes are formed in the top of the two piston cylinders along the vertical direction, and two pistons are movably arranged in the piston cylinders, the second aperture is located between two pistons, the third aperture has all been seted up on the inner wall of piston cylinder both sides, has all seted up two second recesses on the inner wall of two first recess both sides, and the equal fixed mounting in one side that two pistons kept away from each other has the one end of horizontal pole, and the other end of horizontal pole runs through the third aperture to extend to in the second recess, the bottom side fixed mounting of horizontal platform has two montants, and the bottom of montant runs through the second aperture to extend to in the piston cylinder, the equal fixed mounting in one end that two montants are located the piston cylinder has the gag lever post, and the both ends of gag lever post contact with two pistons respectively.

Preferably, all cup jointed first spring on the three buffering dead lever, and the one end fixed connection of first spring is on the horizontal bench, and the other end fixed connection of first spring is on placing the bench.

Preferably, the cross rod is sleeved with a second spring, and the second spring is located between the piston and the third small hole.

Preferably, a fourth small hole is formed in the inner wall of the bottom of each second groove along the vertical direction, a limiting block is fixedly mounted on the inner wall of one side of the fourth small hole, one end of a torsion spring is fixedly mounted on the inner wall of one side, away from the limiting block, of the fourth small hole, and a gas blocking plug is fixedly mounted at the other end of the torsion spring and matched with the limiting block.

Preferably, the bottom of the air blocking plug is fixedly connected with one end of a rope, the other end of the rope extends to the position below the placing table, the pulling ring is fixedly installed, the bottom of the placing table is fixedly provided with a plurality of L-shaped rods, and the L-shaped rods are matched with the pulling ring.

Preferably, the vacuum pump is a dry screw vacuum pump.

In the utility model, the dry screw vacuum pump device can realize the damping effect on the vacuum pump machine by arranging the placing platform, the bracket, the buffer fixing rod, the horizontal platform, the first small hole, the first spring, the vertical rod, the first groove, the piston cylinder, the second small hole, the limiting rod, the piston, the third small hole, the horizontal rod, the second spring, the second groove, the fourth small hole, the limiting block, the torsional spring, the air blocking plug, the rope, the L-shaped rod and the pull ring which are matched with each other;

the utility model provides an existing easy vibrations instability and the easy shortcoming of damaging pump body inner structure that shakes among the prior art, guaranteed that the vacuum pump machine can both play absorbing effect about can controlling at the in-process of work, make the vacuum pump machine can not lead to inner structure to damage because of shaking at the during operation.

Drawings

Fig. 1 is a schematic front view of a dry screw vacuum pump device according to the present invention;

fig. 2 is a schematic structural view of a part a of a dry screw vacuum pump apparatus according to the present invention;

fig. 3 is a schematic structural diagram of a part B of a dry screw vacuum pump apparatus according to the present invention.

In the figure: the device comprises a placing table 1, a support 2, a buffering fixing rod 3, a transverse table 4, a first small hole 5, a first spring 6, a straight rod 7, a vacuum pump 8, a vertical rod 9, a first groove 10, a piston cylinder 11, a second small hole 12, a limiting rod 13, a piston 14, a third small hole 15, a transverse rod 16, a second spring 17, a second groove 18, a fourth small hole 19, a limiting block 20, a torsion spring 21, an air blocking plug 22, a rope 23, a 24L-shaped rod and a pull ring 25.

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.

Referring to fig. 1-3, a dry screw vacuum pump device comprises a placing table 1, wherein four corners of the bottom of the placing table 1 are fixedly provided with a support 2, the top of the placing table 1 is provided with a horizontal table 4, the top side of the horizontal table 4 is provided with three first small holes 5 at equal intervals along the vertical direction, buffering fixing rods 3 are movably arranged in the three first small holes 5, the top ends of the buffering fixing rods 3 extend to the upper parts of the first small holes 5, the bottom of the buffering fixing rods 3 are fixedly arranged on the placing table 1, the top side of the horizontal table 4 is fixedly provided with a plurality of straight rods 7 at equal intervals, the top ends of the straight rods 7 are fixedly provided with the same vacuum pump 8, the top of the placing table 1 is provided with two first grooves 10, the piston cylinders 11 are fixedly arranged in the two first grooves 10, the top parts of the two piston cylinders 11 are provided with second small holes 12 along the vertical direction, and the inside movable mounting of piston cylinder 11 has two pistons 14, second aperture 12 is located between two pistons 14, third aperture 15 has all been seted up on the inner wall of piston cylinder 11 both sides, two second recesses 18 have all been seted up on the inner wall at two first recess 10 both sides, the equal fixed mounting in one side that two pistons 14 kept away from each other has the one end of horizontal pole 16, and the other end of horizontal pole 16 runs through third aperture 15, and extend to in the second recess 18, the bottom side fixed mounting of horizontal platform 4 has two montants 9, and the bottom of montant 9 runs through second aperture 12, and extend to in the piston cylinder 11, the equal fixed mounting of one end that two montants 9 are located the piston cylinder 11 has gag lever post 13, and the both ends of gag lever post 13 contact with two pistons 14 respectively.

The utility model discloses in, all cup jointed first spring 6 on the three buffering dead lever 3, and the one end fixed connection of first spring 6 is on horizontal platform 4, and the other end fixed connection of first spring 6 is on placing platform 1, and first spring 6 is for reducing the shaking force of vacuum pump machine 8 upper and lower direction.

The utility model discloses in, the second spring 17 has cup jointed on the horizontal pole 16, and second spring 17 is located between piston 14 and the third aperture 15, and second spring 17 is in order to make piston 14 can automatic re-setting.

The utility model discloses in, all seted up fourth aperture 19 along vertical direction on the inner wall of two second recess 18 bottoms, and fixed mounting has stopper 20 on one side inner wall of fourth aperture 19, and fixed mounting has torsional spring 21's one end on the inner wall of stopper 20 one side is kept away from to fourth aperture 19, and torsional spring 21's other end fixed mounting has air shutoff stopper 22, air shutoff stopper 22 and stopper 20 looks adaptation.

The utility model discloses in, the bottom fixedly connected with rope 23's of stifled gas stopper 22 one end, and the other end of rope 23 extends to the below of placing platform 1 to fixed mounting has pull ring 25, places 1 bottom side fixed mounting of platform has a plurality of L type pole 24, and L type pole 24 and pull ring 25 looks adaptation, and pull ring 25 is for pulling stifled gas stopper 22 to open, exhausts when making things convenient for piston 14 to remove.

In the utility model, the working principle, if the vacuum pump 8 is to work, firstly, the pull ring 25 is pulled to pull the air-blocking plug 22 through the rope 23, then the pull ring 25 is clamped on the L-shaped rod 24, so that the air-blocking plug 22 is fixed in an open state, then the vacuum pump 8 can be used, when the vacuum pump 8 works, the vacuum pump 8 can shake violently, at the moment, the shake of the vacuum pump 8 from the upper part can be transmitted to the horizontal platform 4 through the straight rod 7, and then the horizontal platform 4 can shake up and down, and then the shake in the up-and-down direction can be reduced under the matching of the buffer fixing rod 3, the horizontal platform 4 and the first spring 6; the force of the vacuum pump 8 shaking in the left-right direction extrudes the two pistons 14 through the limiting rods 13, and gas is discharged to the outside through the fourth small holes 19 in the sliding process of the two pistons 14 in the piston cylinder 11, so that the shock absorption in the left-right direction is achieved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A dry screw vacuum pump device comprises a placing table (1) and a vacuum pump machine (8), and is characterized in that supports (2) are fixedly mounted at four corners of the bottom of the placing table (1), a transverse table (4) is arranged at the top of the placing table (1), three first small holes (5) are formed in the top side of the transverse table (4) at equal intervals along the vertical direction, buffering fixing rods (3) are movably mounted in the three first small holes (5), the top ends of the buffering fixing rods (3) extend to the upper portions of the first small holes (5), the bottoms of the buffering fixing rods (3) are fixedly mounted on the placing table (1), a plurality of straight rods (7) are fixedly mounted on the top side of the transverse table (4) at equal intervals, the top ends of the straight rods (7) are fixedly mounted with the same vacuum pump machine (8), two first grooves (10) are formed in the top of the placing table (1), and the piston cylinders (11) are fixedly arranged in the two first grooves (10), the tops of the two piston cylinders (11) are provided with second small holes (12) along the vertical direction, the pistons (11) are movably arranged in the two pistons (14), the second small holes (12) are positioned between the two pistons (14), the inner walls of the two sides of the piston cylinders (11) are provided with third small holes (15), the inner walls of the two sides of the two first grooves (10) are provided with two second grooves (18), one sides of the two pistons (14) far away from each other are fixedly provided with one ends of cross rods (16), the other ends of the cross rods (16) penetrate through the third small holes (15) and extend into the second grooves (18), the bottom sides of the cross platforms (4) are fixedly provided with two vertical rods (9), and the bottom ends of the vertical rods (9) penetrate through the second small holes (12) and extend into the piston cylinders (11), the limiting rods (13) are fixedly mounted at one ends of the two vertical rods (9) in the piston cylinders (11), and two ends of each limiting rod (13) are respectively contacted with the two pistons (14).

2. The dry screw vacuum pump device as claimed in claim 1, wherein the three buffer fixing rods (3) are sleeved with the first spring (6), one end of the first spring (6) is fixedly connected to the cross platform (4), and the other end of the first spring (6) is fixedly connected to the placing platform (1).

3. A dry screw vacuum pump apparatus as claimed in claim 1, wherein the cross bar (16) is sleeved with a second spring (17), and the second spring (17) is located between the piston (14) and the third aperture (15).

4. The dry screw vacuum pump device according to claim 1, wherein the inner walls of the bottoms of the two second grooves (18) are both provided with a fourth small hole (19) along the vertical direction, a limiting block (20) is fixedly mounted on the inner wall of one side of the fourth small hole (19), one end of a torsion spring (21) is fixedly mounted on the inner wall of one side of the fourth small hole (19) far away from the limiting block (20), and the other end of the torsion spring (21) is fixedly mounted with an air plug (22), wherein the air plug (22) is matched with the limiting block (20).

5. The dry screw vacuum pump device according to claim 4, characterized in that one end of a rope (23) is fixedly connected to the bottom of the air blocking plug (22), the other end of the rope (23) extends to the lower part of the placing platform (1), and a pull ring (25) is fixedly installed, a plurality of L-shaped rods (24) are fixedly installed at the bottom side of the placing platform (1), and the L-shaped rods (24) are matched with the pull ring (25).