CN217270835U

CN217270835U - Oil-gas separation filter of vacuum pump

Info

Publication number: CN217270835U
Application number: CN202221124046.0U
Authority: CN
Inventors: 岳希君; 范乃武; 岳修会
Original assignee: Xinxiang Zhongyue Filter Co ltd
Current assignee: Xinxiang Zhongyue Filter Co ltd
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-08-23
Anticipated expiration: 2032-05-12

Abstract

The utility model discloses a vacuum pump oil-gas separation filter, which comprises a housin, the thread groove has been seted up at the top of casing inside wall, and the constant head tank has all been seted up to the both sides of thread groove bottom inner wall, the inside of casing is pegged graft and is had the filter core, and the locating piece is pegged graft in the inside of constant head tank, the thread connection has the upper end cover at casing top, and the axle center department threaded connection of upper end cover has the lead screw, the top welding of lead screw has the hand wheel, and the bottom of lead screw has the plug of pegging graft in the filter core inside through bearing swing joint, laminate mutually between the inside wall of plug and filter core. The utility model discloses the filter core is pegged graft when the inside of casing, and the locating piece agrees with in the inside of constant head tank, and the hand wheel drives the lead screw and rotates and promote the shutoff stopper and go up and down along filter core inner wall for the shutoff stopper can play fine shutoff to the filter core top, and the oscilaltion of filter core is followed to the shutoff stopper simultaneously can be cleared up filter core inner wall.

Description

Oil-gas separation filter of vacuum pump

Technical Field

The utility model relates to an oil-gas separation filter technical field, concretely relates to vacuum pump oil-gas separation filter.

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, and in popular terms, the vacuum pump is a device for improving, generating and maintaining vacuum in a certain closed space by using various methods; according to the working principle of vacuum pumps, vacuum pumps can be basically divided into two types, namely a gas capture pump and a gas transmission pump; it is widely used in metallurgy, chemical industry, food, electronic coating and other industries.

If the grant bulletin number is CN210699174U, the grant bulletin date is 2020-06-09, the gravity oil return oil-gas separation filter without air channeling comprises a cylinder body, wherein an air inlet is arranged at the center of the bottom end face of the cylinder body, one end of the air inlet, which is positioned at the inner side of the cylinder body, is connected with an oil separation filter element, the other end of the air inlet is connected with an air inlet pipe, an opening is further arranged on the bottom end face of the cylinder body, a cylinder body joint is connected to the opening, a wall hole is formed in the pipe wall of the air inlet pipe, an air pipe joint is connected to the wall hole, and the cylinder body joint and the air pipe joint are connected through a bent oil return pipe.

Above-mentioned and in prior art, oil-gas separation device general structure is complicated, and occupation space is big, and it is inconvenient to dismantle clearance maintenance, and the separation effect is not good, and life is also not long.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a vacuum pump oil-gas separation filter to solve the above-mentioned weak point among the prior art.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a vacuum pump oil-gas separation filter, includes the casing, the thread groove has been seted up at the top of casing inside wall, and the constant head tank has all been seted up to the both sides of thread groove bottom inner wall, peg graft in the inside of casing has the filter core, and the locating piece pegs graft in the inside of constant head tank, the thread connection has the upper end cover at casing top, and the axle center department threaded connection of upper end cover has the lead screw, the top welding of lead screw has the hand wheel, and the bottom of lead screw has the plug of pegging graft in the filter core inside through bearing swing joint, laminate mutually between the inside wall of plug and filter core, and the center department welding of upper end cover one side outer wall has the blast pipe.

Furthermore, an upper sealing ring is bonded on the outer wall of the upper end cover, which is attached to the shell, and the bottom of the shell is in threaded connection with a lower end cover.

Furthermore, a lower sealing ring is bonded on the outer wall of the lower end cover attached to the shell, and an oil outlet pipe is welded at the center of the outer wall of one side of the lower end cover.

Furthermore, the axle center department welding of lower end cover bottom outer wall has the intake pipe, and the axle center department of lower end cover top outer wall has seted up the annular, the axle center department welding of annular groove bottom inner wall has a spiral shell section of thick bamboo, and is linked together between spiral shell section of thick bamboo and the intake pipe.

Furthermore, the inner wall of the bottom of the annular groove is provided with oil collecting holes which are distributed in an annular structure at equal intervals, and the oil collecting holes are communicated with the oil outlet pipe.

Furthermore, the axle center department integrated into one piece of filter core bottom outer wall has the column casing, and screw cylinder threaded connection is in the inside of column casing.

In the technical scheme, the utility model provides a vacuum pump oil-gas separation filter, (1) through the set sealing plug, when the filter core is inserted in the casing, the locating piece is fit in the inside of the locating slot, and the hand wheel drives the lead screw to rotate and push the sealing plug to go up and down along the inner wall of the filter core, so that the sealing plug can play a good role in sealing the top of the filter core, and simultaneously the sealing plug can clean the inner wall of the filter core along the up-and-down lifting of the filter core; (2) through the arranged screw barrel, when the lower end cover is in threaded connection with the inside of the shell, the screw barrel is simultaneously in threaded connection with the inside of the column barrel, so that the filter element can be more stable and firm in the inside of the shell, and oil gas can conveniently enter the inside of the filter element; (3) through the upper end cover that sets up, upper end cover threaded connection is in the inside of thread groove, and the upper end cover can play fine pressure to the locating piece in the constant head tank and hold the location, has further promoted the stability of filter core when the casing is inside, and oil gas passes the filter core simultaneously and filters, and gas after the filtration is through blast pipe discharge casing.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of a three-dimensional structure provided by an embodiment of the oil-gas separation filter of the vacuum pump of the present invention.

Fig. 2 is a schematic view of the upper end cap structure provided by the embodiment of the oil-gas separation filter of the vacuum pump of the present invention.

Fig. 3 is a schematic view of a lower end cap structure provided by an embodiment of the oil-gas separation filter of the vacuum pump of the present invention.

Fig. 4 is a schematic view of a sectional structure of a housing provided in an embodiment of the oil-gas separation filter of the vacuum pump of the present invention.

Description of reference numerals:

1. a housing; 2. a lower end cover; 3. an upper end cover; 4. an air inlet pipe; 5. an oil outlet pipe; 6. an exhaust pipe; 7. a screw groove; 8. positioning a groove; 9. a filter element; 10. an upper sealing ring; 11. positioning a block; 12. sealing; 13. a lead screw; 14. a hand wheel; 15. a lower seal ring; 16. a ring groove; 17. a screw cylinder; 18. an oil collecting hole; 19. and (4) a column casing.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

As shown in figures 1-4, the utility model provides a vacuum pump oil-gas separation filter, including a casing 1, the top of the inner side wall of the casing 1 is provided with a screw groove 7, and both sides of the inner wall of the bottom of the screw groove 7 are provided with positioning grooves 8, the inside of the casing 1 is inserted with a filter element 9, and a positioning block 11 is inserted inside the positioning groove 8, the screw groove 7 of the top of the casing 1 is connected with an upper end cover 3 by internal thread, and the axle center of the upper end cover 3 is connected with a lead screw 13 by screw thread, the top end of the lead screw 13 is welded with a hand wheel 14, and the bottom end of the lead screw 13 is movably connected with a sealing plug 12 inserted inside the filter element 9 by a bearing, the sealing plug 12 is attached to the inner side wall of the filter element 9, and the center of the outer wall of one side of the upper end cover 3 is welded with an exhaust pipe 6, the hand wheel 14 drives the lead screw 13 to rotate to push the sealing plug 12 to lift along the inner wall of the filter element 9, so that the sealing plug 12 can well seal the top of the filter element 9, meanwhile, the plug 12 can lift up and down along the filter element 9 to clean the inner wall of the filter element 9.

The utility model provides a further embodiment, as shown in fig. 1 and 2, it has last sealing washer 10 to bond on the outer wall that upper end cap 3 and casing 1 laminated mutually, and the bottom threaded connection of casing 1 has lower end cap 2, goes up the compactness and the leakproofness of laminating between fine promotion upper end cap 3 of sealing washer 10 and casing 1.

The utility model provides a further embodiment, as shown in fig. 1 and 3, it has lower sealing washer 15 to bond on the outer wall that lower extreme lid 2 and casing 1 laminated mutually, and the welding of the center department of the outer wall of lower extreme lid 2 one side has oil pipe 5, the fine compactness and the leakproofness of having promoted laminating between lower extreme lid 2 and the casing 1 of lower sealing washer 15.

The utility model provides a further embodiment, as shown in fig. 1 and 3, the welding of axle center department of 2 bottom outer walls of lower extreme cover has intake pipe 4, and the axle center department of 2 top outer walls of lower extreme cover has seted up annular 16, and the welding of axle center department of 16 bottom inner walls of annular has barrel 17, and is linked together between barrel 17 and the intake pipe 4, and intake pipe 4 and barrel 17's collocation use for oil gas is convenient for get into the inside of filter core 9 more.

In another embodiment, as shown in fig. 1 and 3, the oil collecting holes 18 are disposed on the inner wall of the bottom of the ring groove 16 and are distributed in an annular structure at equal intervals, and the oil collecting holes 18 are communicated with the oil outlet pipe 5, oil gas passes through the filter element 9 to filter out oil liquid, and the oil liquid enters the oil collecting holes 18 and is discharged through the oil outlet pipe 5 along the inside of the filter element 9 from the inside to the inside of the ring groove 16.

The utility model provides a further embodiment, as shown in fig. 4, the axle center department integrated into one piece of filter core 9 bottom outer wall has a column casing 19, and screw section of thick bamboo 17 threaded connection is in the inside of column casing 19, and when lower end cover 2 threaded connection was in the inside of casing 1, screw section of thick bamboo 17 threaded connection was in the inside of column casing 19 simultaneously for filter core 9 can be more stable firm when the inside of casing 1, make things convenient for oil gas to get into the inside of filter core 9.

The working principle is as follows: when the filter element 9 is inserted into the shell 1, the positioning block 11 is matched with the inside of the positioning groove 8, when the lower end cover 2 is in threaded connection with the inside of the shell 1, the screw cylinder 17 is in threaded connection with the inside of the column cylinder 19, so that the filter element 9 can be more stable and firm when being arranged inside the shell 1, oil gas can conveniently enter the filter element 9, the upper end cover 3 is in threaded connection with the inside of the thread groove 7, the upper end cover 3 can well press and position the positioning block 11 in the positioning groove 8, the stability of the filter element 9 in the shell 1 is further improved, the hand wheel 14 drives the screw rod 13 to rotate to push the sealing plug 12 to lift along the inner wall of the filter element 9, so that the sealing plug 12 can well seal the top of the filter element 9, meanwhile, the plug 12 can lift up and down along the filter element 9 to clean the inner wall of the filter element 9, finally, oil gas passes through the filter element 9 for filtration, and the filtered gas is discharged out of the shell 1 through the exhaust pipe 6.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. A vacuum pump oil-gas separation filter comprises a shell (1) and is characterized in that a thread groove (7) is formed in the top of the inner side wall of the shell (1), positioning grooves (8) are respectively arranged on two sides of the inner wall of the bottom of the screw groove (7), a filter element (9) is inserted in the shell (1), the positioning block (11) is inserted in the positioning groove (8), the thread groove (7) at the top of the shell (1) is internally connected with the upper end cover (3), a lead screw (13) is connected with the axis of the upper end cover (3) in a threaded manner, a hand wheel (14) is welded at the top end of the lead screw (13), the bottom end of the screw rod (13) is movably connected with a sealing plug (12) inserted in the filter element (9) through a bearing, the sealing plug (12) is attached to the inner side wall of the filter element (9), and an exhaust pipe (6) is welded at the center of the outer wall of one side of the upper end cover (3).

2. The oil-gas separation filter of the vacuum pump as claimed in claim 1, wherein the outer wall of the upper end cover (3) attached to the casing (1) is bonded with an upper sealing ring (10), and the bottom of the casing (1) is in threaded connection with the lower end cover (2).

3. The oil-gas separation filter of the vacuum pump as claimed in claim 2, wherein the outer wall of the lower end cover (2) attached to the casing (1) is bonded with a lower sealing ring (15), and the center of the outer wall of one side of the lower end cover (2) is welded with an oil outlet pipe (5).

4. The oil-gas separation filter for the vacuum pump as claimed in claim 2, wherein the air inlet pipe (4) is welded at the axis of the outer wall at the bottom of the lower end cover (2), the annular groove (16) is formed at the axis of the outer wall at the top of the lower end cover (2), the screw barrel (17) is welded at the axis of the inner wall at the bottom of the annular groove (16), and the screw barrel (17) is communicated with the air inlet pipe (4).

5. The oil-gas separation filter of the vacuum pump as claimed in claim 4, wherein the inner wall of the bottom of the ring groove (16) is provided with oil collecting holes (18) distributed in an annular structure at equal intervals, and the oil collecting holes (18) are communicated with the oil outlet pipe (5).

6. The oil-gas separation filter of the vacuum pump as claimed in claim 1, wherein a column (19) is integrally formed at the axial center of the outer wall of the bottom end of the filter element (9), and the screw cylinder (17) is in threaded connection with the inside of the column (19).