CN220736794U

CN220736794U - Oil mist filter

Info

Publication number: CN220736794U
Application number: CN202321965147.5U
Authority: CN
Inventors: 王杰
Original assignee: Ningbo Maosheng Pneumatic Machinery Co ltd
Current assignee: Ningbo Maosheng Pneumatic Machinery Co ltd
Priority date: 2023-07-24
Filing date: 2023-07-24
Publication date: 2024-04-09
Anticipated expiration: 2033-07-24

Abstract

The application relates to an oil mist filter relates to filter technical field, and it includes top cap, bottom, first net cover, filter core and sponge, first net cover set up in the top cap with between the bottom, the bottom is kept away from one side of top cap has seted up the air inlet, the filter core coaxial set up in first net cover inner peripheral wall, the sponge cover is located first net cover periphery wall. The application has the effect of reducing noise when the oil mist filter is used.

Description

Oil mist filter

Technical Field

The application relates to the technical field of filters, in particular to an oil mist filter.

Background

In use, the vacuum pump or the air compressor is provided with lubricating oil of the pump at the exhaust port of the vacuum pump, the lubricating oil is combined with the air, and the air is in an oil mist state, if a filter is not arranged at the exhaust port of the vacuum pump, the air with the oil mist can pollute indoor environment and cause harm to health of people, and therefore, the oil mist filter is usually arranged at the exhaust port of the vacuum pump.

With respect to the related art described above, the inventors consider that the oil mist filter generally generates noise during use, resulting in a poor working environment.

Disclosure of Invention

In order to reduce noise when the oil mist filter is used, the application provides an oil mist filter.

The application provides an oil mist filter adopts following technical scheme:

the utility model provides an oil mist filter, includes top cap, bottom, first web, filter core and sponge, first web set up in the top cap with between the bottom, the bottom is kept away from one side of top cap has seted up the air inlet, the filter core coaxial set up in first web inner peripheral wall, the sponge cover is located first web outer peripheral wall.

Optionally, the filter element further comprises a second net sleeve, and the second net sleeve is coaxially arranged on the inner peripheral wall of the filter element.

Optionally, a connecting ring is arranged between the first net sleeve and the second net sleeve, and the connecting ring is positioned at the lower ends of the first net sleeve and the second net sleeve and used for supporting the filter element.

Optionally, a first slot into which the first net sleeve and the second net sleeve are inserted is provided on a side of the bottom cover, which is close to the top cover, and a second slot into which the first net sleeve and the second net sleeve are inserted is provided on a side of the top cover, which is close to the bottom cover.

Optionally, one side of the second net cover, which is close to the bottom cover, is provided with a first clamping ring, the bottom cover is provided with a first clamping groove for clamping the first clamping ring on the side wall of the first slot, one side of the second net cover, which is close to the top cover, is provided with a second clamping ring, and the top cover is provided with a second clamping groove for clamping the second clamping ring on the side wall of the second slot.

Optionally, the first clamping ring is close to an end face of the bottom cover and is provided with a first lower guide surface which facilitates the first clamping ring to be inserted into the first clamping groove, and an end face of the first clamping ring away from the first lower guide surface is provided with a first upper guide surface which facilitates the first clamping ring to be separated from the first clamping groove.

Optionally, the second clamping ring is close to an end face of the top cover and is provided with a second upper guide surface which facilitates the second clamping ring to be inserted into the second clamping groove, and an end face of the second clamping ring, which is far away from the second upper guide surface, is provided with a second lower guide surface which facilitates the second clamping ring to be separated from the second clamping groove.

In summary, the present application includes at least one of the following beneficial technical effects:

an oil mist filter is provided with a top cover, a bottom cover, a first net sleeve, a filter element and a sponge, wherein the sponge can adsorb large particle impurities in air on one hand, so that the filtering effect of the filter is improved, and on the other hand, sound can be absorbed, and the noise reduction effect is improved;

an oil mist filter is characterized in that a first clamping ring and a second clamping ring are arranged, and a second net sleeve is fixed between a top cover and a bottom cover;

an oil mist filter is provided with a first lower guide surface, a second lower guide surface, a first upper guide surface and a second upper guide surface, so that the filter is convenient to install and detach.

Drawings

Fig. 1 is a schematic view of the structure of an oil mist filter in the present application.

Fig. 2 is a cross-sectional view of the oil mist filter in the present application.

Fig. 3 is an enlarged view of a portion a in fig. 2 in the present application.

Fig. 4 is an enlarged view of the portion B in fig. 2 in the present application.

Reference numerals illustrate: 1. a top cover; 11. a second slot; 111. a second clamping groove; 2. a bottom cover; 21. an air inlet; 22. a first slot; 221. a first clamping groove; 3. a first net cover; 31. a connecting ring; 4. a second net cover; 41. a first clamping ring; 411. a first lower guide surface; 412. a first upper guide surface; 42. a second clamping ring; 421. a second upper guide surface; 422. a second lower guide surface; 5. filter element the method comprises the steps of carrying out a first treatment on the surface of the; 6. and (3) a sponge.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses an oil mist filter.

Referring to fig. 1 and 2, the oil mist filter includes a top cover 1, a bottom cover 2, a first net 3, a second net 4, a filter element 5, and a sponge 6. The top cover 1 and the bottom cover 2 are oppositely arranged, and the first net cover 3 and the second net cover 4 are arranged between the top cover 1 and the bottom cover 2. The filter element 5 is arranged between the first and second net 3, 4, and in this embodiment the filter element 5 is formed by filter paper. The sponge 6 is sleeved on the peripheral wall of the second net sleeve 4. The bottom cover 2 is provided with an air inlet 21. Oil mist enters from the air inlet 21, and the oil mist gets into filter core 5 from the mesh of second wire cover 4, and filter core 5 filters the oil mist and separates, and rethread first wire cover 3 mesh is discharged from sponge 6, through sponge 6, on the one hand adsorbs the large granule impurity in the air, on the other hand, and sponge 6 absorbs the sound, has improved the noise reduction effect.

Referring to fig. 3, a connection ring 31 is disposed between the first mesh 3 and the second mesh 4, the connection ring 31 is located at the bottom ends of the first mesh 3 and the second mesh 4, the connection ring 31 can support the filter element 5, so that the filter element 5 is fixed more stably, and when the filter element 5 needs to be replaced, the first mesh 3 and the second mesh 4 can be inverted, and the filter element 5 can fall. Preferably, in the present embodiment, the first net 3, the second net 4 and the connection ring 31 are integrally formed, which facilitates the production of the first net 3, the second net 4 and the connection ring 31.

Referring to fig. 3 and 4, a first slot 22 into which the first net 3 and the second net 4 are inserted is formed in a side of the bottom cover 2 adjacent to the top cover 1, and a second slot 11 into which the first net 3 and the second net 4 are inserted is formed in a side of the top cover 1 adjacent to the bottom cover 2. The second net cover 4 is coaxially provided with a first clamping ring 41 near one end of the bottom cover 2, and the bottom cover 2 is provided with a first clamping groove 221 for clamping the first clamping ring 41 in the groove wall of the first slot 22. The second net cover 4 is provided with a second clamping ring 42 coaxially and integrally at one end close to the top cover 1, and the top cover 1 is provided with a second clamping groove 111 for clamping the second clamping ring 42 in the wall of the second slot 11. The second net cover 4 is fixed on the bottom cover 2 through the cooperation of the first clamping ring 41 and the first clamping groove 221, and the second net cover 4 is fixed on the top cover 1 through the cooperation of the second clamping ring 42 and the second clamping groove 111, so that the fixation among the bottom cover 2, the second net cover 4 and the top cover 1 is facilitated.

Referring to fig. 3, the first clamping ring 41 is provided with a first lower guide surface 411 near an end surface of the bottom cover 2, and the first lower guide surface 411 is inclined toward the direction in which the second net cover 4 is inserted into the bottom cover 2. The first clamping ring 41 is provided with a first upper guide surface 412 at an end surface far from the bottom cover 2, and the first upper guide surface 412 is obliquely arranged to a side far from the first lower guide surface 411. The first clamping ring 41 can be guided through the first lower guide surface 411, so that the first clamping ring 41 is more conveniently inserted into the first clamping groove 221, and the first clamping ring 41 can be guided through the first upper guide surface 412, so that the first clamping ring 41 is more conveniently separated from the first clamping groove 221.

Referring to fig. 4, a second upper guide surface 421 is provided on an end surface of the second clamping ring 42 adjacent to the top cover 1, and the second upper guide surface 421 is inclined toward the direction in which the second net 4 is inserted into the top cover 1. The second clamping ring 42 is provided with a second lower guide surface 422 at an end surface far away from the top cover 1, and the second lower guide surface 422 is obliquely arranged to a side far away from the second upper guide surface 421. The second clamping ring 42 can be guided by the second upper guide surface 421, so that the second clamping ring 42 can be more conveniently inserted into the second clamping groove 111, and the second clamping ring 42 can be guided by the second upper guide surface 421, so that the second clamping ring 42 can be more conveniently separated from the second clamping groove 111.

The implementation principle of the oil mist filter in the embodiment of the application is as follows: when the oil mist filter needs to be installed, the filter element 5 is installed between the first net sleeve 3 and the second net sleeve 4, the sponge 6 is sleeved on the outer peripheral wall of the first net sleeve 3, then the first net sleeve 3 and the second net sleeve 4 are inserted in alignment with the first slot 22 until the first clamping ring 41 is clamped into the first clamping groove 221, then the first net sleeve 3 and the second net sleeve 4 are inserted in alignment with the second slot 11 until the second clamping ring 42 is clamped into the second clamping groove 111, and the installation is completed.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. An oil mist filter, characterized in that: including top cap (1), bottom (2), first web (3), filter core (5) and sponge (6), first web (3) set up in top cap (1) with between bottom (2), bottom (2) keep away from one side of top cap (1) has seted up air inlet (21), filter core (5) coaxial set up in first web (3) inner peripheral wall, sponge (6) cover is located first web (3) outer peripheral wall.

2. An oil mist filter as set forth in claim 1, wherein: the filter element also comprises a second net sleeve (4), wherein the second net sleeve (4) is coaxially arranged on the inner peripheral wall of the filter element (5).

3. An oil mist filter as set forth in claim 2, wherein: a connecting ring (31) is arranged between the first net sleeve (3) and the second net sleeve (4), and the connecting ring (31) is positioned at the lower ends of the first net sleeve (3) and the second net sleeve (4) and used for supporting the filter element (5).

4. An oil mist filter as set forth in claim 2, wherein: one side of the bottom cover (2) close to the top cover (1) is provided with a first slot (22) for inserting the first net sleeve (3) and the second net sleeve (4), and one side of the top cover (1) close to the bottom cover (2) is provided with a second slot (11) for inserting the first net sleeve (3) and the second net sleeve (4).

5. An oil mist filter as set forth in claim 4, wherein: one side that second web cover (4) is close to bottom (2) is provided with first joint ring (41), bottom (2) in first draw-in groove (221) that supply first joint ring (41) card was gone into are seted up to first slot (22) lateral wall, one side that second web cover (4) is close to top cap (1) is provided with second joint ring (42), top cap (1) in second slot (11) lateral wall is seted up and is supplied second draw-in groove (111) that second joint ring (42) card was gone into.

6. An oil mist filter as set forth in claim 5, wherein: the first clamping ring (41) is close to one end face of the bottom cover (2) and is provided with a first lower guide face (411) which is convenient for the first clamping ring (41) to be inserted into the first clamping groove (221), and one end face, away from the first lower guide face (411), of the first clamping ring (41) is provided with a first upper guide face (412) which is convenient for the first clamping ring (41) to be separated from the first clamping groove (221).

7. An oil mist filter as set forth in claim 5, wherein: the second clamping ring (42) is close to one end face of the top cover (1) and is provided with a second upper guide surface (421) which is convenient for the second clamping ring (42) to be inserted into the second clamping groove (111), and one end face, away from the second upper guide surface (421), of the second clamping ring (42) is provided with a second lower guide surface (422) which is convenient for the second clamping ring (42) to be separated from the second clamping groove (111).