Search

CN-224214330-U - Detachable filter element of vacuum pump oil mist filter

CN224214330UCN 224214330 UCN224214330 UCN 224214330UCN-224214330-U

Abstract

The utility model provides a detachable filter element of a vacuum pump oil mist filter, which relates to the technical field of filter elements and comprises an external fixing pipe, wherein a circulation groove is formed in the middle of the inner bottom surface of the external fixing pipe, four groups of clamping blocks are arranged on the inner bottom surface of the external fixing pipe, a rubber ring is movably connected in the circulation groove, an A connecting ring is arranged on the top of the rubber ring, the design of the rubber ring, the clamping groove and the clamping blocks is adopted, when the detachable filter element is installed, the rubber ring is aligned to the circulation groove and is sealed at the joint of the A connecting ring and the circulation groove, the triangular clamping groove at the bottom of the A connecting ring is in contact with the four groups of clamping blocks, the clamping blocks are elastically expanded outwards under the action of an inclined plane until the connecting ring reaches a preset position, the clamping blocks rebound after the limiting is completed with the engagement of the clamping groove at the top, the clamping ring is pulled on a convenient handle during the disassembly, the clamping blocks are outwards expanded and separated from the clamping grooves again, so that the self-locking and releasing can be realized without tools.

Inventors

  • Lan Binrui

Assignees

  • 羽众光科技(武汉)有限公司

Dates

Publication Date
20260508
Application Date
20250605

Claims (7)

  1. 1. The detachable filter element of the vacuum pump oil mist filter comprises an external fixing pipe (1) and is characterized in that a circulation groove (2) is formed in the middle of the inner bottom surface of the external fixing pipe (1), four groups of clamping blocks (3) are arranged on the inner bottom surface of the external fixing pipe (1), a rubber ring (4) is movably connected to the inner portion of the circulation groove (2), an A connecting ring (5) is arranged at the top of the rubber ring (4), a filter element assembly (6) is arranged at the top of the A connecting ring (5), the filter element assembly (6) comprises a filter element body (601), a coarse effect layer (602), a high-efficiency layer (603) and an adsorption layer (604), and the bottoms of the filter element body (601), the coarse effect layer (602), the high-efficiency layer (603) and the adsorption layer (604) are all arranged at the top of the A connecting ring (5), and the inner portion of the adsorption layer (604) is mutually connected with the outer surface of the filter element body (601).
  2. 2. The detachable filter element of the vacuum pump oil mist filter of claim 1, wherein four groups of clamping grooves (9) are formed in the top and the bottom of the surface of the connecting ring A (5), and the clamping grooves (9) and the clamping blocks (3) are mutually clamped.
  3. 3. A removable cartridge for a vacuum pump mist filter according to claim 1, characterized in that the inner wall of the high efficiency layer (603) is interconnected with the outer surface of the adsorption layer (604).
  4. 4. A removable cartridge for a vacuum pump mist filter according to claim 3, characterized in that the inner wall of the coarse efficiency layer (602) is interconnected with the outer surface of the high efficiency layer (603).
  5. 5. The removable filter element of the vacuum pump oil mist filter of claim 4, wherein the top of the filter element body (601), the coarse efficiency layer (602), the high efficiency layer (603) and the adsorption layer (604) is provided with a B connecting ring (7).
  6. 6. The detachable filter element of the vacuum pump oil mist filter of claim 5, wherein a convenient handle (8) is arranged at the top of the B connecting ring (7).
  7. 7. The detachable filter element of the vacuum pump oil mist filter of claim 6, wherein an anti-slip sleeve is arranged at the top of the convenient handle (8), and concave-convex lines are arranged on the surface of the anti-slip sleeve.

Description

Detachable filter element of vacuum pump oil mist filter Technical Field The utility model relates to the technical field of filter elements, in particular to a detachable filter element of a vacuum pump oil mist filter. Background According to the oil mist separation filter element structure of vacuum pump that chinese patent No. CN209092952U discloses, belong to vacuum equipment technical field. The filter comprises a filter element supporting framework, a filter material, an exhaust filter element front end cover, an exhaust filter element rear end cover and an exhaust filter element rear end cover, wherein a filter element cavity with two open ends is formed between the filter element supporting frameworks, the filter material is wrapped on the outer side face of the filter element supporting frameworks in a surrounding mode, the exhaust filter element front end cover is covered on one end of the filter element supporting frameworks and one end of the filter material, the exhaust filter element rear end cover is covered on the other end of the filter element supporting frameworks and the other end of the filter material, the filter element rear end cover is characterized in that an end cover opening communicated with the filter element cavity is formed in the middle of the exhaust filter element front end cover, a guide plate which divides the end cover opening into an upper cavity and a lower cavity is formed in the middle of the end cover opening, the guide plate extends towards the filter element cavity and is inclined downwards at the end part, and an upper baffle is obliquely formed above the middle of the guide plate. Effectively reduces resonance noise, and has simple structure and low cost. However, the device has the following problems in use, the complex assembly mode causes that the filter element is difficult to realize rapid disassembly and assembly, and in the actual use scene, a great deal of time and effort are consumed for operation no matter equipment maintenance, filter element replacement or daily maintenance, thereby greatly increasing labor cost and time cost. Disclosure of utility model The utility model aims to solve the defects in the prior art, and provides a detachable filter element of a vacuum pump oil mist filter. In order to achieve the purpose, the novel connecting device comprises an external fixing pipe and is characterized in that a circulation groove is formed in the middle of the inner bottom surface of the external fixing pipe, four groups of clamping blocks are arranged on the inner bottom surface of the external fixing pipe, a rubber ring is movably connected inside the circulation groove, and an A connecting ring is arranged at the top of the rubber ring. Preferably, the top of A go-between is provided with filter core subassembly, the top and the bottom on A go-between surface all are provided with four groups of draw-in grooves, draw-in groove and fixture block joint each other. Preferably, the filter element assembly comprises a filter element body, a coarse effect layer, a high-efficiency layer and an adsorption layer, wherein the bottoms of the filter element body, the coarse effect layer, the high-efficiency layer and the adsorption layer are all arranged at the top of the connecting ring A, and the inside of the adsorption layer is connected with the outer surface of the filter element body. Preferably, the inner wall of the high-efficiency layer is connected with the outer surface of the adsorption layer, and the inner wall of the coarse-efficiency layer is connected with the outer surface of the high-efficiency layer. Preferably, the top of the filter element body, the coarse effect layer, the high-efficiency layer and the adsorption layer is provided with a B connecting ring. Preferably, a convenient handle is arranged at the top of the connecting ring B. Preferably, the top of convenient handle is provided with anti-skidding cover, anti-skidding cover's surface is equipped with unsmooth line. Advantageous effects According to the utility model, the rubber ring, the clamping groove and the clamping block are designed, when the clamping block is installed, the rubber ring is inserted in alignment with the circulation groove, the joint of the connecting ring A and the circulation groove is sealed, the triangular clamping groove at the bottom of the connecting ring A is contacted with four groups of clamping blocks, the clamping block elastically expands outwards under the action of the inclined plane until the connecting ring reaches the preset position, the clamping block rebounds and is meshed with the clamping groove at the top to complete limit, when the clamping block is detached, the connecting ring A is pulled up through a convenient lifting handle, the clamping block is outwards expanded again to separate from the clamping groove, a tool is not needed in the whole process, self-locking and release are realized by means of elastic deformation, and