CN209317351U - A kind of oil bath type air filter - Google Patents
A kind of oil bath type air filter Download PDFInfo
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- CN209317351U CN209317351U CN201822088720.4U CN201822088720U CN209317351U CN 209317351 U CN209317351 U CN 209317351U CN 201822088720 U CN201822088720 U CN 201822088720U CN 209317351 U CN209317351 U CN 209317351U
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- cylinder
- inlet pipe
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Abstract
The utility model discloses a kind of oil bath type air filters.The filter includes upper shell and lower shell, and upper shell includes upper cylinder shell, air inlet pipe and an air outlet pipe, and escape pipe is located on the side wall of upper cylinder shell, and air inlet pipe is located at the inside of upper shell, and air inlet pipe passes through the top of upper cylinder shell；Lower shell includes lower cylinder shell, grease chamber, inner tube and inner cylinder, and grease chamber is located at the bottom of lower shell, and inner cylinder is located at the inside of lower shell, and inner cylinder is located at the top of grease chamber, and inner tube is located at the inside of inner cylinder, and inner tube is connected with air inlet pipe；When upper shell is connected with lower shell, upper cylinder shell is connected with lower cylinder shell, gas outlet lower edge is connected with the top edge of inner tube, it further include the first sealing ring and the second sealing ring, first sealing ring connects upper cylinder shell edge, lower cylinder shell edge and inner cylinder edge, and the second sealing ring connects inner tube top edge and air inlet pipe lower edge.The utility model has good airproof performance, and the effect for being less prone to dust accretions and leaking out is used for a long time.
Description
Technical field
The utility model relates to air filter unit technical field, in particular to a kind of oil bath type air filter.
Background technique
Oil bath type air filter is fluid machinery one important essential corollary equipment, for removing by fluid
Dust and its impurity contained in machinery sucking air, improve sucking air quality, there is a filter device, effectively will
Grit and impurity in fluid are separated by centrifugal force effect, pass through tangential admission；Oil bath；Whirlwind；Sagging return pipe captures
To cylinder bottom.And new air-flow high speed rotation in inner cylinder rises, and is filtered again by filter mesh layer and achievees the purpose that filtered air.
Currently, many oil bath type air filters include upper shell and lower shell, further includes inner cylinder, connected between cylinder
Locate poor sealing, for a long time using being easy to save bit by bit dust, is leaked out for a long time using being easy to produce, eventually lead to leakproofness more
Difference, filter effect are affected.
Utility model content
One aspect according to the present utility model provides a kind of oil bath type air filter, including upper shell and lower cylinder
Body,
Upper shell includes upper cylinder shell, air inlet pipe and an air outlet pipe, and air inlet pipe is located on the side wall of upper cylinder shell, escape pipe position
In the inside of upper shell, escape pipe passes through the top of upper cylinder shell；
Lower shell includes lower cylinder shell, grease chamber, inner tube and inner cylinder, and grease chamber is located at the bottom of lower shell, and inner cylinder is located at
The inside of lower shell, inner cylinder are located at the top of grease chamber, and inner tube is located at the inside of inner cylinder, and inner tube is connected with escape pipe；
When upper shell is connected with lower shell, upper cylinder shell is connected with lower cylinder shell, escape pipe lower edge and inner tube it is upper
Edge is connected,
It further include the first sealing ring and the second sealing ring, the first sealing ring connects upper cylinder shell edge, lower cylinder shell edge
With inner cylinder edge, the second sealing ring connects inner tube top edge and escape pipe lower edge.
Above-mentioned oil bath type air filter, air are entered in cylinder by air inlet pipe 13, and air imported into grease chamber, are removed big
Part dust, the air with mist of oil pass upward through further filtering, and tiny dust and impurities are attached, and larger grit is with oil droplet
Fall on grease chamber, flowed out after being purified in cylinder by escape pipe, the setting of the first sealing ring and the second sealing ring so that, upper shell
Closely coupled between shell and lower shell shell and inner cylinder, inner tube and air inlet pipe junction are equally closely coupled, seamless, make
The phenomenon that being less prone to dust accretions must be used for a long time, be not easy to leak out.
In some embodiments, the first sealing ring is c-type structure, and the second sealing ring is B-shaped structure.It is beneficial to effect
Fruit is, according to the shape of upper cylinder shell and lower cylinder shell edge, first sealing ring and the second sealing ring to be used cooperatively, to reach
Best sealing effect.
In some embodiments, the material of the first sealing ring and the second sealing ring is oil resistant rubber.The beneficial effect is that
The oil bath type air filter can generate mist of oil in cylinder, therefore the material of the first sealing ring and the second sealing ring need to be oil resistant rubber
Phenomena such as glue avoids corroding because long-term use generates, fracture.
In some embodiments, lower filter plate and lower filter screen are equipped with inside lower shell, lower filter plate is located at below lower filter screen.
The beneficial effect is that air passes through the filtering of lower filter plate and lower filter screen, air is further filtered.
In some embodiments, oil bath type air filter further includes locking device, and locking device can will be outside upper cylinder
Shell and lower cylinder shell are locked together, and locking device is equipped be locked portion and claw, and the portion of being locked is located at lower cylinder shell
On, the lower edge of upper shell is first edge, and the top edge of lower shell is second edge, and first edge is buckled in the outer of second edge
Zhou Shang, first edge are equipped with lug boss and concave part, and claw can catch on lug boss.The beneficial effect is that first edge
Lug boss can cooperate claw closely to snap together upper shell and lower shell, and concave part is for accommodating the second of lower shell
Edge, structure cooperation is closely convenient for operation.
In some embodiments, the top edge of inner cylinder is third edge, and third edge is prominent structure, the first sealing
The c-type structure of circle is stuck on third edge, and second edge is half groove structure outstanding, and the first sealing ring is located at half groove structure
Inside, the top edge of the first sealing ring is connected below with first edge, and the first sealing ring is by first edge, second edge
With the gap sealing at third edge.The beneficial effect is that the first sealing ring c-type structure is stuck on third edge, it is stronger,
Upper shell and lower shell snap together formula and are fitted tightly on the upper and lower surface of c-type structure, structure fitting, and leakproofness is good.
Detailed description of the invention
Fig. 1 is the partial cross-sectional structural diagram of the oil bath type air filter of one embodiment of the utility model；
Fig. 2 is the part A structure enlargement diagram of oil bath type air filter shown in Fig. 1；
Fig. 3 is the part B structure enlargement diagram of oil bath type air filter shown in Fig. 1.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
Fig. 1 ~ Fig. 3 schematically shows a kind of oil bath type air filter of embodiment according to the present utility model.
As shown, the oil bath type air filter includes upper shell 1 and lower shell 2,
Upper shell 1 includes upper cylinder shell 11, air inlet pipe 12 and escape pipe 13, and escape pipe 13 is located at the side wall of upper cylinder shell 11
On, air inlet pipe 12 is located at the inside of upper shell 1, and air inlet pipe 12 passes through the top of upper cylinder shell 11；
Lower shell 2 includes lower cylinder shell 21, grease chamber 22, inner tube 24 and inner cylinder 23, and grease chamber 22 is located at the bottom of lower shell 2
Portion, inner cylinder 23 are located at the inside of lower shell 2, and inner cylinder 23 is located at the top of grease chamber 22, and inner tube 24 is located at the interior of inner cylinder 23
Portion, inner tube 24 are connected with air inlet pipe 12；
When upper shell 1 and lower shell 2 connect, upper cylinder shell 11 is connected with lower cylinder shell 21, gas outlet lower edge and interior
The top edge of pipe 24 is connected,
It further include the first sealing ring 4 and the second sealing ring 5, the first sealing ring 4 connects upper 11 edge of cylinder shell, lower cylinder shell
23 edge of 21 edges and inner cylinder, the second sealing ring 5 connect 24 top edge of inner tube and 13 lower edge of escape pipe.
Above-mentioned oil bath type air filter, air are entered in cylinder by air inlet pipe 13, and air imported into grease chamber 22, are removed
Most of dust, the air with mist of oil pass upward through further filtering, and tiny dust and impurities are attached, and larger grit is with oil
It drops onto and is flowed out after oil sump is purified in cylinder by escape pipe 12, the setting of the first sealing ring 4 and the second sealing ring 5 makes
, closely coupled between 1 shell of upper shell and 2 shell of lower shell and inner cylinder 23, inner tube 24 and 12 junction of air inlet pipe are same
It is closely coupled, it is seamless, so that the phenomenon that being less prone to dust accretions is used for a long time, it is not easy to leak out.
First sealing ring 4 is c-type structure, and the second sealing ring 5 is B-shaped structure.According to upper cylinder shell 11 and lower cylinder shell
The shape at 21 edges is used cooperatively first sealing ring 4 and the second sealing ring 5, to reach best sealing effect.
The material of first sealing ring 4 and the second sealing ring 5 is oil resistant rubber.The oil bath type air filter can produce in cylinder
Oil generation mist, therefore the material of the first sealing ring 4 and the second sealing ring 5 need to be oil resistant rubber, avoid because long-term use generates
Phenomena such as corrosion, fracture.
Lower filter plate 25 and lower filter screen 26 are equipped with inside lower shell 2, lower filter plate 25 is located at below lower filter screen 26.Air passes through
The filtering of lower filter plate 25 and lower filter screen 26 removes the part dust of certain granules degree, carries out further purification filtering to air.
Oil bath type air filter further includes locking device 3, and locking device 3 can be by upper cylinder shell 11 and lower cylinder shell 21
It being locked together, locking device 3 is equipped be locked portion 31 and claw 32, and the portion 31 that is locked is located on lower cylinder shell 21,
The lower edge of upper shell 1 is first edge 111, and the top edge of lower shell 2 is second edge 211, and first edge 111 is buckled in second
On the periphery at edge 211, first edge 111 is equipped with lug boss 1111 and concave part 1112, and claw 32 can catch on lug boss
1111.The lug boss 1111 of first edge 111 can cooperate claw 32 closely to snap together upper shell 1 and lower shell 2,
Concave part 1112 is used to accommodate the second edge 211 of lower shell 2, and structure cooperation is closely convenient for operation.
The top edge of inner cylinder 23 is third edge 231, and third edge 231 is prominent structure, the c-type of the first sealing ring 4
Structure is stuck on third edge 231, and second edge 211 is half groove structure outstanding, and the first sealing ring 4 is located at half groove structure
Inside, the top edge of the first sealing ring 4 is connected below with first edge 111, the first sealing ring 4 by first edge 111,
The gap sealing of second edge 211 and third edge 231.First sealing ring 4C type structure is stuck on third edge 231, more firm
Gu snapping together formula in upper shell 1 and lower shell 2 to be fitted tightly on the upper and lower surface of c-type structure, structure fitting, sealing
Property is good.
Second sealing ring 5 connects the top edge 241 of inner tube and the lower edge 131 of air inlet pipe 13, so that its close connection, close
Envelope property is good.
Above-described is only some embodiments of the utility model.For those of ordinary skill in the art,
Without departing from the concept of the present invention, various modifications and improvements can be made, these belong to practical
Novel protection scope.
Claims (6)
1. a kind of oil bath type air filter, which is characterized in that including upper shell (1) and lower shell (2),
The upper shell (1) includes upper cylinder shell (11), air inlet pipe (13) and escape pipe (12), and the escape pipe (12) is located at institute
On the side wall for stating cylinder shell (11), the air inlet pipe (13) is located at the inside of the upper shell (1), and the air inlet pipe (13) is worn
Cross the top of cylinder shell (11)；
The lower shell (2) includes lower cylinder shell (21), grease chamber (22), inner tube (24) and inner cylinder (23), the grease chamber (22)
Positioned at the bottom of lower shell (2), the inner cylinder (23) is located at the inside of lower shell (2), and the inner cylinder (23) is located at grease chamber
(22) top, said inner tube (24) are located at the inside of the inner cylinder (23), said inner tube (24) and the air inlet pipe (13)
It is connected；
When the upper shell (1) and lower shell (2) connect, the upper cylinder shell (11) is connected with lower cylinder shell (21), described
Air inlet pipe (13) lower edge is connected with the top edge of said inner tube (24),
It further include the first sealing ring (4) and the second sealing ring (5), first sealing ring (4) connects the upper cylinder shell (11)
Edge, lower cylinder shell (21) edge and inner cylinder (23) edge, second sealing ring (5) connect said inner tube (24) top edge
With escape pipe (12) lower edge.
2. oil bath type air filter according to claim 1, which is characterized in that first sealing ring (4) is c-type knot
Structure, second sealing ring (5) are B-shaped structure.
3. oil bath type air filter according to claim 1, which is characterized in that first sealing ring (4) and described
The material of second sealing ring (5) is oil resistant rubber.
4. oil bath type air filter according to claim 1, which is characterized in that be equipped with down inside the lower shell (2)
Filter plate (25) and lower filter screen (26), the lower filter plate (25) are located at below the lower filter screen (26).
5. oil bath type air filter according to claim 1, which is characterized in that further include locking device (3), the lock
Upper cylinder shell (11) and lower cylinder shell (21) can be locked together by tight device (3), and the locking device (3) is equipped with locking
Fixed part (31) and claw (32), the portion that is locked (31) are located on the lower cylinder shell (21), the upper shell (1)
Lower edge is first edge (111), and the top edge of the lower shell (2) is second edge (211), the first edge (111)
It is buckled on the periphery of the second edge (211), the first edge (111) is equipped with lug boss (1111) and concave part
(1112), the claw (32) can catch on the lug boss (1111).
6. oil bath type air filter according to claim 2, which is characterized in that the top edge of the inner cylinder (23) is
Third edge (231), the third edge (231) are prominent structure, and the c-type structure of first sealing ring (4) is stuck in third
On edge (231), the second edge (211) is half groove structure outstanding, and it is recessed that first sealing ring (4) is located at described half
The inside of slot structure, the top edge of first sealing ring (4) are connected below with the first edge (111), and described the
One sealing ring (4) is by the gap sealing of first edge (111), second edge (211) and third edge (231).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822088720.4U CN209317351U (en) | 2018-12-13 | 2018-12-13 | A kind of oil bath type air filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822088720.4U CN209317351U (en) | 2018-12-13 | 2018-12-13 | A kind of oil bath type air filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209317351U true CN209317351U (en) | 2019-08-30 |
Family
ID=67726513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822088720.4U Active CN209317351U (en) | 2018-12-13 | 2018-12-13 | A kind of oil bath type air filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209317351U (en) |
-
2018
- 2018-12-13 CN CN201822088720.4U patent/CN209317351U/en active Active
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