CN216477760U

CN216477760U - Vacuum pump filter

Info

Publication number: CN216477760U
Application number: CN202123337226.5U
Authority: CN
Inventors: 邓凯迪; 赵莺; 童华; 张青松; 李亚飞
Original assignee: Guizhou Zhenhua Electronic Information Industry Technology Research Co ltd
Current assignee: Guizhou Zhenhua Electronic Information Industry Technology Research Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-05-10
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a vacuum pump filter belongs to vacuum pump technical field. The filter comprises a shell, a cover plate and a filter assembly, wherein one end of the cover plate is detachably connected with the shell through a quick connection assembly, the other end of the cover plate is detachably connected with a pipeline A through a quick connection assembly, one end, far away from the cover plate, of the shell is detachably connected with a pipeline B through a quick connection assembly, and the filter assembly is located in the shell and detachably connected with the cover plate. The shell can be pulled down fast to the manual vacuum clamp who connects shell and pipeline B, shell and apron of unpacing apart, then unscrews the lid, can change the filter core, need not accomplish filter dismouting and inside spare part replacement work fast with the help of instruments such as spanners, and is efficient. The structure of the vacuum pump filter is simplified, and the manufacturing cost is reduced.

Description

Vacuum pump filter

Technical Field

The utility model relates to a vacuum pump filter belongs to vacuum pump technical field.

Background

The vacuum pump refers to a device or equipment for obtaining vacuum by pumping a pumped container by using a mechanical, physical, chemical or physicochemical method. In general, a vacuum pump is a device for improving, generating and maintaining a vacuum in a certain closed space by various methods. The air pumped by the vacuum pump often contains more particles, and the particles enter the vacuum pump without being filtered, so that the service life of the vacuum pump is shortened.

Chinese patent publication No. CN212774645U discloses a vacuum pump with a filter for a vacuum furnace, the filter structure is composed of a filter housing, a filter element and a filter housing cover plate, an air outlet is provided on one side of the filter housing, the filter housing cover plate is installed on the other side of the filter housing, one side of the filter housing cover plate is provided with an air inlet interface, the other side of the filter housing cover plate is provided with a filter element interface, a filter element is installed on the filter element interface, the filter element is composed of a filter element housing, a filter element inner shell and a filter element, the filter element is sleeved on the outer surface of the filter element inner shell, the filter element housing is sleeved on the outside of the filter element, and the filter element housing is fixedly connected with the filter element inner shell through screws. The air pumped out by the vacuum pump main body is filtered through the filter structure, so that the content of particles in the air is reduced, and the service life of the vacuum pump main body is prolonged.

However, in the filter structure, the filter housing is connected to the filter housing cover plate by a plurality of screws, and the filter housing cover plate can be disassembled only by using a tool such as a wrench, which greatly reduces the assembly and disassembly efficiency of the filter structure and the replacement efficiency of internal parts.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a vacuum pump filter.

The utility model discloses a following technical scheme can realize:

the utility model provides a vacuum pump filter, includes shell, apron and filtering component, the one end of apron can be dismantled with the shell through connecing the subassembly soon and be connected, and the other end can be dismantled with pipeline A through connecing the subassembly soon and be connected, the one end of keeping away from the apron on the shell can be dismantled with pipeline B through connecing the subassembly soon and be connected, filtering component is located the shell to can dismantle with the apron and be connected.

The one end opening that is close to the apron on the shell to radially outwards extend and be equipped with connection pad A, the coaxial intake pipe that is equipped with of other end, the apron was kept away from in the intake pipe one end radially outwards extends and is equipped with connection pad B.

The cover plate is coaxially provided with a threaded hole, the threaded hole penetrates through the cover plate, and one end, far away from the shell, of the cover plate extends outwards along the radial direction to form a connecting disc C.

The quick-connecting assembly comprises a vacuum hoop, and a central support and a sealing ring are arranged on the inner side of the vacuum hoop.

The filter assembly comprises a filter element protective shell and a filter element, and the filter element is located in the filter element protective shell.

The filter element protective shell comprises a base, a barrel body and a cover, one end of the barrel body is fixedly connected with the base, the other end of the barrel body is detachably connected with the cover, and a plurality of vent holes are formed in the barrel body.

The base is connected with the cylinder in a welding mode.

The base comprises an end plate and a positioning sleeve coaxially arranged on the end plate, the positioning sleeve penetrates through the end plate, an external thread is arranged at one end of the positioning sleeve, and a chamfer is formed at the other end of the positioning sleeve.

The cover is in threaded connection with the barrel, the cover comprises a cover body and a positioning column coaxially arranged on the cover body, the positioning column penetrates through the cover body, one end of the positioning column is chamfered, and the other end of the positioning column is of a regular hexagonal prism-shaped structure.

The filter element is of a cylindrical structure and is made of polypropylene materials.

The beneficial effects of the utility model reside in that: the shell can be pulled down fast to the manual vacuum clamp who connects shell and pipeline B, shell and apron of unpacing apart, then unscrews the lid, can change the filter core, need not can accomplish filter dismouting and inside spare part replacement work fast with the help of instruments such as spanners, and is efficient. The structure of the vacuum pump filter is simplified, and the manufacturing cost is reduced.

Drawings

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

fig. 2 is a schematic structural diagram of the filter assembly of the present invention.

In the figure: the filter comprises a shell 1, a cover 2, a cover body 20, a positioning column 21, a barrel 3, a filter element 4, a base 5, an end plate 50, a positioning sleeve 51 and a cover plate 6.

Detailed Description

The technical solutions of the present invention are further described below, but the scope of protection claimed is not limited to the described ones.

As shown in fig. 1 and 2, a vacuum pump filter, including shell 1, apron 6 and filtering component, the one end of apron 6 can be dismantled with shell 1 through the quick-connect subassembly (not drawn in the figure) and be connected, the other end can be dismantled with pipeline a through the quick-connect subassembly and be connected, the one end of keeping away from apron 6 on the shell 1 can be dismantled with pipeline B through the quick-connect subassembly and be connected, filtering component is located shell 1 to can dismantle with apron 6 and be connected.

The one end opening that is close to apron 6 on the shell 1 to along radially outwards extending be equipped with connection pad A, the coaxial intake pipe that is equipped with of other end, the one end of keeping away from apron 6 on the intake pipe is along radially outwards extending be equipped with connection pad B. When the pipeline connecting device is used, the connecting disc A is connected with the cover plate 6 through the quick-connection assembly, and the connecting disc B is connected with the pipeline B through the quick-connection assembly.

The cover plate 6 is coaxially provided with a threaded hole, the threaded hole penetrates through the cover plate 6, and one end, far away from the shell 1, of the cover plate 6 extends outwards along the radial direction to form a connecting disc C. In use, the threaded bore is threadedly connected to the locating sleeve 51. The connecting disc C is connected with the pipeline A through the quick connection assembly.

The quick-connecting assembly comprises a vacuum hoop, and a central support and a sealing ring are installed on the inner side of the vacuum hoop. For the prior art, no further description is provided herein.

The filter assembly comprises a filter element protective shell and a filter element 4, and the filter element 4 is positioned in the filter element protective shell.

The filter core protective housing includes base 5, barrel 3 and lid 2, and the one end and the base 5 fixed connection of barrel 3, the other end can be dismantled with lid 2 and be connected, and processing has a plurality of air vents on the barrel 3.

The base 5 is connected with the cylinder 3 in a welding mode.

The base 5 comprises an end plate 50 and a positioning sleeve 51 coaxially arranged on the end plate 50, the positioning sleeve 51 penetrates through the end plate 50, an external thread is machined at one end of the positioning sleeve 51, and the other end of the positioning sleeve is chamfered. The external diameter of position sleeve 51 and the internal diameter phase-match of filter core 4, the tip chamfer of position sleeve 51, conveniently overlaps filter core 4 on position sleeve 51, fixes a position filter core 4 through position sleeve 51.

The cover 2 is in threaded connection with the barrel 3, the cover 2 comprises a cover body 20 and a positioning column 21 coaxially arranged on the cover body 20, the positioning column 21 penetrates through the cover body 20, one end of the positioning column 21 is chamfered, and the other end of the positioning column is in a regular hexagonal prism-shaped structure. When the positioning device is used, the outer diameter of the positioning column 21 is matched with the inner diameter of the filter element 4, and the end part of the positioning column 21 is chamfered, so that the positioning column 21 is conveniently inserted into an inner hole of the filter element 4 and positioned. One end of the positioning column 21 is in a regular hexagonal prism structure, so that the cover 2 can be conveniently unscrewed by a wrench under the condition that the cover 2 cannot be unscrewed by a hand.

The filter element 4 is of a cylindrical structure and is made of polypropylene materials.

Vacuum pump filter, its theory of operation as follows:

keep away from the one end of apron 6 on the pipeline A and be connected with the air inlet of vacuum pump, during the vacuum pump operation, gas gets into shell 1 through the intake pipe, then gets into the filter core protective housing through the air vent, and the gas after filter is carried out to the particulate matter through filter core 4, gets into the vacuum pump through screw hole and pipeline A on position sleeve 51, the apron 6 to effectively avoid the particulate matter to get into the vacuum pump, help prolonging the life of vacuum pump.

The utility model provides a vacuum pump filter, manual unpack apart the vacuum clamp of connecting shell 1 and pipeline B, shell 1 and apron 6, can pull down shell 1 fast, then unscrew lid 2, can change filter core 4, need not accomplish filter dismouting and inside spare part replacement work fast with the help of instruments such as spanners, and is efficient. The structure of the vacuum pump filter is simplified, and the manufacturing cost is reduced.

Claims

1. A vacuum pump filter, characterized by: including shell (1), apron (6) and filtering component, the one end of apron (6) can be dismantled with shell (1) through connecing the subassembly soon and be connected, and the other end can be dismantled with pipeline A through connecing the subassembly soon and be connected, the one end of keeping away from apron (6) on shell (1) can be dismantled with pipeline B through connecing the subassembly soon and be connected, filtering component is located shell (1) to can dismantle with apron (6) and be connected.

2. A vacuum pump filter as claimed in claim 1, wherein: the one end opening that is close to apron (6) on shell (1) to radially outwards extend and be equipped with connection pad A, the coaxial intake pipe that is equipped with of other end, the one end of keeping away from apron (6) on the intake pipe radially outwards extends and is equipped with connection pad B.

3. A vacuum pump filter as claimed in claim 1, wherein: the cover plate (6) is coaxially provided with a threaded hole, the threaded hole penetrates through the cover plate (6), and one end, far away from the shell (1), of the cover plate (6) extends outwards along the radial direction to form a connecting disc C.

4. A vacuum pump filter as claimed in claim 1, wherein: the quick-connecting assembly comprises a vacuum hoop, and a central support and a sealing ring are arranged on the inner side of the vacuum hoop.

5. A vacuum pump filter as claimed in claim 1, wherein: the filter assembly comprises a filter element protective shell and a filter element (4), and the filter element (4) is located in the filter element protective shell.

6. The vacuum pump filter of claim 5, wherein: the filter element protective shell comprises a base (5), a barrel body (3) and a cover (2), one end of the barrel body (3) is fixedly connected with the base (5), the other end of the barrel body is detachably connected with the cover (2), and a plurality of air holes are formed in the barrel body (3).

7. The vacuum pump filter of claim 6, wherein: the base (5) is connected with the cylinder body (3) in a welding mode.

8. The vacuum pump filter of claim 6, wherein: the base (5) comprises an end plate (50) and a positioning sleeve (51) coaxially arranged on the end plate (50), the positioning sleeve (51) penetrates through the end plate (50), an external thread is arranged at one end of the positioning sleeve (51), and the other end of the positioning sleeve is chamfered.

9. The vacuum pump filter of claim 6, wherein: the cover (2) is in threaded connection with the cylinder body (3); the cover (2) comprises a cover body (20) and a positioning column (21) coaxially arranged on the cover body (20), the positioning column (21) penetrates through the cover body (20), one end of the positioning column (21) is chamfered, and the other end of the positioning column is of a regular hexagonal prism structure.

10. The vacuum pump filter of claim 5, wherein: the filter element (4) is of a cylindrical structure and is made of polypropylene materials.