CN218794865U

CN218794865U - Air inlet filter for oil screw vacuum pump

Info

Publication number: CN218794865U
Application number: CN202223244250.9U
Authority: CN
Inventors: 陈斌
Original assignee: Haoqing Gas Equipment Technology Jiangsu Co ltd
Current assignee: Haoqing Gas Equipment Technology Jiangsu Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-04-07
Anticipated expiration: 2032-12-05

Abstract

The utility model discloses an oil screw vacuum pump is with filter that admits air, including the rose box, the upper end fixed mounting of rose box has the intake pipe, the inside one end fixed mounting of rose box has the lantern ring, the outside demountable installation of the lantern ring has the filter core, the intermediate position department fixed mounting of rose box one side has the blast pipe, the one end fixed mounting of rose box has the collar, and gas enters into the inside of rose box through the intake pipe, and the intake pipe and the rose box of filter are tangent, and the gas that comes in just admits air the rotatory separation along the rose box, and the dust of the large granule that is inhaled is separated under the effect of centrifugal force and striking power, and the tiny granule that leaves is along with gas gets into the filter core secondary filtration of high accuracy, and the exhaust pipe way through the rose box after the gas that passes through the filter core is filtered carries the compression inside the vacuum pump, ensures that the air that gets into the aircraft nose is clean to the host computer of protection vacuum pump.

Description

Air inlet filter for oil screw vacuum pump

Technical Field

The utility model relates to an oil screw vacuum pump technical field specifically is an oil screw vacuum pump is with filter that admits air.

Background

The oil injection screw vacuum pump is widely applied to industries such as semiconductors, chips, foods, medicines, photovoltaics and the like, and provides a pure vacuum air source for the industries;

although current oil spout screw vacuum pump can satisfy user's user demand, still have following problem in the use, oil spout screw vacuum pump is at the in-process that uses, has a large amount of impurity in the gas in the air or the pipeline, and impurity enters into vacuum pump unit inside can cause the harm to the screw pump aircraft nose, finally influences the life of equipment, improves the fault rate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil screw vacuum pump is with filter that admits air to solve above-mentioned problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an oil screw vacuum pump is with filter that admits air, includes the rose box, the upper end fixed mounting of rose box has the intake pipe, the inside one end fixed mounting of rose box has the lantern ring, the outside demountable installation of lantern ring has the filter core, the intermediate position department fixed mounting of rose box one side has the blast pipe, the one end fixed mounting of rose box has the collar, one side demountable installation of collar has the apron, one side fixed mounting of apron has the handle, be provided with coupling assembling between apron and the collar.

Preferably, the exhaust pipe is fixedly connected with one end of the lantern ring, and the exhaust pipe and the air inlet pipe are vertically distributed.

Preferably, one side fixed mounting of lantern ring has the mounting bracket, the mounting bracket is the U font, one side demountable installation of filter core has the clamp plate, the clamp plate is connected with the mounting bracket can be dismantled through construction bolt and construction nut.

Preferably, the connecting assembly comprises an installation rod, the installation rod is movably inserted on the surface of the installation ring in a penetrating mode, one end of the installation rod is fixedly connected with the cover plate, and a clamping and fixing spring is fixedly installed inside one end of the installation rod.

Preferably, a clamping block is fixedly installed at one end of the clamping spring, one end of the clamping block is movably inserted in the outer side of the installation rod, one side of the end is attached to one side of the installation ring, and an annular groove is formed in one side of the installation ring.

Preferably, the inside of ring channel is even fixed mounting has the fixed block, fixed mounting has the annular rail between the fixed block, the surface cover of annular rail is equipped with the reset spring who is connected with the fixed block.

Preferably, a rotating ring is movably mounted on one side of the mounting ring, moving blocks are uniformly and fixedly mounted on one side of the rotating ring, and the moving blocks are movably sleeved on the surface of the annular rail.

Preferably, one side of the moving block is fixedly connected with one end of the return spring, the inner wall of the rotating ring is uniformly and fixedly provided with a dismounting strip matched with the clamping block, and the dismounting strip is inclined downwards.

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

1. the utility model discloses in, gas enters into the inside of rose box through the intake pipe, the intake pipe of filter and rose box are tangent, the gas that comes in just admits air the rotatory separation along the rose box, the dust of the big granule of being inhaled is separated under the effect of centrifugal force and striking force, the tiny granule that leaves enters the filter core air inlet secondary filtration of high accuracy along with gas, the gas through the filter core is carried the vacuum pump host computer inside after being filtered through the exhaust pipe of rose box and is compressed, ensure that the air that gets into the aircraft nose is clean, thereby protect the host computer of vacuum pump;

2. the utility model discloses in, when clearing up the change to the filter core of rose box inside, the user rotates the swivel becket, the swivel becket drives the movable block and removes along annular rail, compress reset spring, the in-process that the swivel becket removed, dismantle the strip and remove along the surface of fixture block, along with dismantling the removal of strip, make the fixture block extruded the inside of going into the installation pole, make the installation pole can follow the inside of installing the ring and take out, thereby be convenient for the apron with break away from of rose box, thereby be convenient for clear up rose box and filter core.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic side sectional view of the device of the present invention;

FIG. 3 is a schematic side view of the internal structure of the device of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3 according to the present invention;

fig. 5 is a schematic view of the rotating ring of fig. 4 according to the present invention.

In the figure: 1. a filter box; 2. an exhaust pipe; 3. an air inlet pipe; 4. a mounting ring; 5. a cover plate; 6. a handle; 7. a collar; 8. a mounting frame; 9. a filter element; 10. pressing a plate; 11. mounting a rod; 12. an annular groove; 13. an annular rail; 14. a fixed block; 15. a return spring; 16. a rotating ring; 17. a moving block; 18. clamping and fixing the spring; 19. a clamping block; 20. and (6) disassembling the strip.

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.

Embodiment 1, please refer to fig. 1 to 3, the present invention provides an embodiment: an air inlet filter for an oil screw vacuum pump comprises a filter box 1, wherein an air inlet pipe 3 is fixedly installed at the upper end of the filter box 1, a lantern ring 7 is fixedly installed at one end inside the filter box 1, a filter element 9 is detachably installed on the outer side of the lantern ring 7, an exhaust pipe 2 is fixedly installed at the middle position of one side of the filter box 1, an installation ring 4 is fixedly installed at one end of the filter box 1, a cover plate 5 is detachably installed at one side of the installation ring 4, a handle 6 is fixedly installed at one side of the cover plate 5, the exhaust pipe 2 is fixedly connected with one end of the lantern ring 7, the exhaust pipe 2 and the air inlet pipe 3 are vertically distributed, an installation frame 8 is fixedly installed at one side of the lantern ring 7, the installation frame 8 is U-shaped, a pressing plate 10 is detachably installed at one side of the filter element 9, and the pressing plate 10 is detachably connected with the installation frame 8 through an installation bolt and an installation nut;

wherein, gas enters into the inside of rose box 1 through intake pipe 3, the intake pipe 3 and the rose box 1 of filter are tangent, the gas that comes in just admits air the rotatory separation along rose box 1, the dust of the big granule of being inhaled is separated under the effect of centrifugal force and striking power, the tiny granule that leaves gets into the filter core 9 of high accuracy along with gas and admits air the secondary filter, gas through filter core 9 is filtered the back and is carried the vacuum pump host computer the inside through 2 ways of blast pipe of rose box 1 and compress, ensure that the air that gets into the aircraft nose is clean, thereby the host computer of protection vacuum pump.

In embodiment 2, please refer to fig. 3 to 5, a connection assembly is disposed between the cover plate 5 and the mounting ring 4, the connection assembly includes a mounting rod 11, the mounting rod 11 is movably inserted on the surface of the mounting ring 4, one end of the mounting rod 11 is fixedly connected to the cover plate 5, a fastening spring 18 is fixedly mounted inside one end of the mounting rod 11, a fastening block 19 is fixedly mounted at one end of the fastening spring 18, one end of the fastening block 19 is movably inserted outside the mounting rod 11, and one side of the end is attached to one side of the mounting ring 4, an annular groove 12 is formed in one side of the mounting ring 4, a fixing block 14 is uniformly and fixedly mounted inside the annular groove 12, an annular rail 13 is fixedly mounted between the fixing blocks 14, a return spring 15 connected to the fixing block 14 is sleeved on the surface of the annular rail 13, a rotating ring 16 is movably mounted on one side of the mounting ring 4, a moving block 17 is uniformly and fixedly mounted on one side of the rotating ring 16, the moving block 17 is movably sleeved on the surface of the annular rail 13, one side of the moving block 17 is fixedly connected to one end of the return spring 15, a dismounting strip 20 matched with the fastening block 19 is uniformly and fixedly mounted on the inner wall of the rotating ring 16, and the dismounting strip 20 is inclined;

wherein, when clearing up the change to the inside filter core 9 of rose box 1, the user rotates swivel becket 16, swivel becket 16 drives movable block 17 and removes along annular rail 13, compress reset spring 15, the in-process that swivel becket 16 removed, it removes along fixture block 19's surface to dismantle strip 20, along with dismantling the removal of strip 20, make fixture block 19 extruded the inside of going into installation pole 11, make installation pole 11 can take out from the inside of installing ring 4, thereby be convenient for the separation from of apron 5 and rose box 1, thereby be convenient for clear up rose box 1 and filter core 9.

The working principle is as follows: the gas enters the interior of the filter box 1 through the gas inlet pipe 3, the gas inlet pipe 3 of the filter is tangent to the filter box 1, the incoming gas is subjected to gas inlet rotation separation along the filter box 1, the sucked large-particle dust is separated under the action of centrifugal force and impact force, the left fine particles enter the high-precision filter element 9 along with the gas to be subjected to gas inlet secondary filtration, the gas passing through the filter element 9 is filtered and then is conveyed to the vacuum pump host through the exhaust pipe 2 of the filter box 1 to be compressed, the air entering the machine head is clean, the host of the vacuum pump is protected, when the filter element 9 in the filter box 1 is cleaned and replaced, a user rotates the rotating ring 16, the rotating ring 16 drives the moving block 17 to move along the annular rail 13, the return spring 15 is compressed, in the moving process of the rotating ring 16, the dismounting strip 20 moves along the surface of the clamping block 19, the clamping block 19 is extruded into the interior of the mounting rod 11 along with the movement of the dismounting strip 20, the mounting rod 11 can be extracted from the interior of the mounting ring 4, the cover plate 5 is conveniently separated from the filter box 1, and the filter element 9 can be conveniently cleaned and cleaned.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an oil screw vacuum pump is with filter that admits air, includes rose box (1), its characterized in that: the upper end fixed mounting of rose box (1) has intake pipe (3), the inside one end fixed mounting of rose box (1) has the lantern ring (7), the outside demountable installation of the lantern ring (7) has filter core (9), the intermediate position department fixed mounting of rose box (1) one side has blast pipe (2), the one end fixed mounting of rose box (1) has mounting ring (4), one side demountable installation of mounting ring (4) has apron (5), one side fixed mounting of apron (5) has handle (6), be provided with coupling assembling between apron (5) and mounting ring (4).

2. The intake filter for an oil screw vacuum pump according to claim 1, wherein: the exhaust pipe (2) is fixedly connected with one end of the lantern ring (7), and the exhaust pipe (2) and the air inlet pipe (3) are vertically distributed.

3. The intake filter for an oil screw vacuum pump according to claim 1, wherein: one side fixed mounting of lantern ring (7) has mounting bracket (8), mounting bracket (8) are the U font, one side demountable installation of filter core (9) has clamp plate (10), clamp plate (10) can be dismantled with mounting bracket (8) through construction bolt and mounting nut and be connected.

4. The intake filter for the oil screw vacuum pump according to claim 1, wherein: the connecting assembly comprises a mounting rod (11), the mounting rod (11) is movably inserted on the surface of the mounting ring (4), one end of the mounting rod (11) is fixedly connected with the cover plate (5), and a clamping spring (18) is fixedly mounted inside one end of the mounting rod (11).

5. The intake filter for the oil screw vacuum pump according to claim 4, wherein: one end of the clamping spring (18) is fixedly provided with a clamping block (19), one end of the clamping block (19) is movably inserted in the outer side of the mounting rod (11), one side of the end is attached to one side of the mounting ring (4), and one side of the mounting ring (4) is provided with an annular groove (12).

6. The air intake filter for the oil screw vacuum pump according to claim 5, wherein: the inner part of the annular groove (12) is uniformly and fixedly provided with a fixed block (14), an annular rail (13) is fixedly arranged between the fixed blocks (14), and a reset spring (15) connected with the fixed block (14) is sleeved on the surface of the annular rail (13).

7. The air intake filter for the oil screw vacuum pump according to claim 6, wherein: a rotating ring (16) is movably mounted on one side of the mounting ring (4), a moving block (17) is uniformly and fixedly mounted on one side of the rotating ring (16), and the moving block (17) is movably sleeved on the surface of the annular rail (13).

8. The air intake filter for the oil screw vacuum pump according to claim 7, wherein: one side of the moving block (17) is fixedly connected with one end of the return spring (15), the inner wall of the rotating ring (16) is uniformly and fixedly provided with a dismounting strip (20) matched with the clamping block (19), and the lower part of the dismounting strip (20) is inclined.