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CN-224207645-U - Dust filter

CN224207645UCN 224207645 UCN224207645 UCN 224207645UCN-224207645-U

Abstract

The utility model provides a dust filter, which relates to the technical field of filters and comprises a filter main body, wherein an air inlet is formed in one side of the filter main body, an air outlet is formed in one end, far away from the air inlet, of the filter main body, an air extractor is arranged in the air inlet, a filter element is arranged in the filter main body, a connecting device is arranged in the filter main body, a connecting pipe is arranged at one end of the air inlet, a limiting device is arranged on one side of the air inlet, the connecting device comprises a fixing plate, a first positioning groove is formed in the bottom of the filter main body, the inner wall of the first positioning groove is in sliding connection with the fixing plate, a rubber plate is fixedly connected to the top of the fixing plate, when the connecting device is used, the fixing plate is manually slid into the first positioning groove, and then the rubber plate is extruded into the filter main body, and the fixing plate is convenient to detach in a reverse operation.

Inventors

  • XU CHANG
  • TANG YINGHAO

Assignees

  • 江苏泓安生物科技有限公司

Dates

Publication Date
20260508
Application Date
20250515

Claims (8)

  1. 1. A dust filter comprises a filter main body (1) and is characterized in that an air inlet (2) is formed in one side of the filter main body (1), an air outlet (3) is formed in one end, far away from the air inlet (2), of the filter main body (1), an air extractor (4) is arranged in the air inlet (2), a filter element (5) is arranged in the filter main body (1), a connecting device (7) is arranged in the filter main body (1), a connecting pipe (6) is arranged at one end of the air inlet (2), a limiting device (8) is arranged on one side of the air inlet (2), the connecting device (7) comprises a fixing plate (702), a first positioning groove (701) is formed in the bottom of the filter main body (1), the inner wall of the first positioning groove (701) is in sliding connection with the fixing plate (702), a rubber plate (704) is fixedly connected to the top of the fixing plate (702), and the rubber plate (704) is arranged in the filter main body (1).
  2. 2. The dust filter of claim 1, wherein a rubber ring (703) is fixedly connected to the top of the rubber plate (704), and the rubber ring (703) is sleeved on the surface of the bottom of the filter element (5).
  3. 3. The dust filter of claim 1, wherein the top of the inner wall of the filter main body (1) is fixedly connected with a fixing ring (705), the top of the inner wall of the filter main body (1) is fixedly connected with a first damping rod (706), the bottom of the first damping rod (706) is fixedly connected with a limiting sleeve (708), the limiting sleeve (708) is sleeved on the top of the filter element (5), a first spring (707) is sleeved on the surface of the first damping rod (706), one end of the first spring (707) is fixedly connected with the top of the inner wall of the filter main body (1), and one end of the first spring (707) close to the first damping rod (706) is fixedly connected with the top of the limiting sleeve (708).
  4. 4. The dust filter of claim 1, wherein a rectangular groove (709) is formed in the bottom of the filter main body (1), a rectangular block (710) is slidably connected to the inner wall of the rectangular groove (709), a second damping rod (711) is fixedly connected to one side of the inner wall of the rectangular groove (709), the bottom of the second damping rod (711) is fixedly connected with the top of the rectangular block (710), a second spring (712) is sleeved on the surface of the second damping rod (711), one end of the second spring (712) is fixedly connected with one side of the inner wall of the rectangular groove (709), and one side of the second spring (712) close to one end of the rectangular block (710) of the second damping rod (711) is fixedly connected.
  5. 5. The dust filter of claim 4, wherein a second positioning groove (713) is formed in one side of the rectangular groove (709), a rubber block (714) is arranged on the inner wall of the second positioning groove (713), and one side of the rubber block (714) is fixedly connected with one side of the rectangular block (710).
  6. 6. The dust filter of claim 1, wherein the limiting device (8) comprises a first rubber ring (802), the connecting pipe (6) is sleeved on the surface of one end of the air inlet (2), a first fixing groove (801) is formed in the inner wall of the connecting pipe (6), the first rubber ring (802) is arranged in the first fixing groove (801), and the first rubber ring (802) is fixedly connected with the surface of the air inlet (2).
  7. 7. The dust filter of claim 1, wherein a third damping rod (804) is uniformly and fixedly connected to one side of the filter main body (1), a clamping ring (803) is fixedly connected to one end, far away from the filter main body (1), of the third damping rod (804), a third spring (805) is sleeved on the surface of the third damping rod (804), one end of the third spring (805) is fixedly connected with one end of the filter main body (1), one end, close to the third damping rod (804), of the third spring (805) is fixedly connected with one side of the clamping ring (803), and the clamping ring (803) is slidably sleeved on the surface, sleeved on one end of the air inlet (2), of the connecting pipe (6).
  8. 8. The dust filter of claim 7, wherein a rubber sleeve (806) is sleeved on the surface of the clamping ring (803), one end of the rubber sleeve (806) is fixedly connected with one side of the filter main body (1), a second fixing groove (807) is formed in one side, close to the air inlet (2), of the clamping ring (803), a second rubber ring (808) is arranged on the inner wall of the second fixing groove (807), and the second rubber ring (808) is fixedly connected with the surface of the connecting pipe (6).

Description

Dust filter Technical Field The utility model relates to the technical field of filters, in particular to a dust filter. Background The filter is a device for cleaning dust in air, when the filter is used, air with dust is pumped into the filter body through the air extractor, so that the dust is adsorbed on the filter element, and then the purified air is discharged through the air outlet, so that the effect of dust filtration can be achieved. The inventor has found that the filter still has at least the following problems in daily work that when the filter is used, air with dust is pumped into the filter main body through the air extractor, so that the dust is adsorbed on the filter element, and then the purified air is discharged through the air outlet, so that the effect of dust filtration can be achieved, but in the actual use process, a plurality of bolts are required to be disassembled when the filter element is replaced, so that the operation is troublesome. Disclosure of utility model The utility model aims to solve the defects in the prior art and provides a dust filter. In order to achieve the above purpose, the dust filter comprises a filter main body, wherein one side of the filter main body is provided with an air inlet, one end of the filter main body far away from the air inlet is provided with an air outlet, the inside of the air inlet is provided with an air extractor, the inside of the filter main body is provided with a filter element, the inside of the filter main body is provided with a connecting device, one end of the air inlet is provided with a connecting pipe, one side of the air inlet is provided with a limiting device, the connecting device comprises a fixing plate, the bottom of the filter main body is provided with a first positioning groove, the inner wall of the first positioning groove is in sliding connection with the fixing plate, the top of the fixing plate is fixedly connected with a rubber plate, and the rubber plate is arranged in the filter main body. The connecting device has the advantages that when the connecting device is used, the fixing plate is manually slid into the first positioning groove, the rubber plate is further extruded into the filter main body, the fixing plate is convenient to detach in the reverse operation, and the filter element is convenient to replace. Preferably, the top of the rubber plate is fixedly connected with a rubber ring, and the rubber ring is sleeved on the surface of the bottom of the filter element. The filter element has the advantages that the bottom of the filter element is sleeved in the rubber ring, so that the filter element is conveniently limited on one side of the fixing plate, which is close to the filter body. Preferably, the top fixedly connected with solid fixed ring of filter main part inner wall, the top fixedly connected with first damping pole of filter main part inner wall, the bottom fixedly connected with stop collar of first damping pole, the stop collar cover is established at the top of filter core, the surface cover of first damping pole is equipped with first spring, the top fixedly connected with of one end of first spring and filter main part inner wall, the top fixedly connected of one end that first spring is close to first damping pole and stop collar. The filter element has the advantages that the limiting sleeve is extruded to the top far away from the inner wall of the filter body through the first spring, so that the limiting sleeve is extruded to the top of the filter element, and the filter element is conveniently limited in the filter body. Preferably, the rectangular groove is formed in the bottom of the filter main body, the rectangular block is slidably connected to the inner wall of the rectangular groove, a second damping rod is fixedly connected to one side of the inner wall of the rectangular groove, the bottom of the second damping rod is fixedly connected with the top of the rectangular block, a second spring is sleeved on the surface of the second damping rod, one end of the second spring is fixedly connected with one side of the inner wall of the rectangular groove, and one side of the second spring, close to one end of the rectangular block of the second damping rod, is fixedly connected. The rectangular block is pulled to the direction close to the rectangular groove by the second spring, so that the rectangular block is well limited in the rectangular groove. Preferably, a second positioning groove is formed in one side of the rectangular groove, a rubber block is arranged on the inner wall of the second positioning groove, and one side of the rubber block is fixedly connected with one side of the rectangular block. The above-mentioned components achieve the effect that the rubber block is extruded into the interior of the second positioning groove, so that the rectangular block is conveniently limited in the interior of the rectangular groove. Preferably, the limiting device com