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CN-224220928-U - Self-cleaning filter

CN224220928UCN 224220928 UCN224220928 UCN 224220928UCN-224220928-U

Abstract

The utility model discloses a self-cleaning filter in the field of filter devices, which comprises a shell, a filter element and an adjusting mechanism, wherein a water outlet and a water inlet which are communicated with the inside are arranged on the outer wall of the shell, the path of water flow entering the shell by the adjusting mechanism is switched, so that the filtering and self-cleaning functions of the filter are realized, and a drain outlet is arranged at the bottom of the shell and is used for draining the water during self-cleaning of the filter. The self-cleaning filter provided by the utility model can be used for realizing the filtering function and the self-cleaning function of the filter by communicating the transverse channel on the rotary piston with the water outlet or the water inlet.

Inventors

  • ZENG WENBING
  • YAN BINGHUA
  • SHI MINGZHI
  • ZHANG JUNMING

Assignees

  • 恒美光电股份有限公司

Dates

Publication Date
20260512
Application Date
20250529

Claims (8)

  1. 1. The self-cleaning filter is characterized by comprising a shell, a filter element and an adjusting mechanism, wherein the filter element comprises a filter element outlet at the end part and a filter hole on the side wall, the filter element is arranged in the shell, a water outlet and a water inlet which are communicated with the inside are arranged on the outer wall of the shell, and the path of water flow entering the shell by the adjusting mechanism is switched, so that the filtering and self-cleaning functions of the filter are realized; The adjusting mechanism comprises a piston, the piston is arranged in the shell, a vertical channel and a transverse channel are arranged in the piston, the vertical channel is communicated with the transverse channel and is mutually perpendicular to the transverse channel, the vertical channel is positioned above the outlet of the filter element and is communicated with the outlet of the filter element, and the transverse channel is communicated with the water outlet or the water inlet through rotating the piston; The bottom of the shell is provided with a drain outlet which is used for draining the sewage when the filter is self-cleaned.
  2. 2. The self-cleaning filter of claim 1, wherein the lateral channel comprises a first channel for communicating with the water inlet and a second channel for communicating with the water outlet, the first channel being at a ninety degree angle to the second channel.
  3. 3. The self-cleaning filter of claim 2, wherein a notch is further provided on the outside of the piston, the notch being located opposite the second channel, the notch being sized such that when the second channel is connected to the water outlet, the notch covers the water inlet, and when the first channel is connected to the water inlet, the piston closes the water outlet.
  4. 4. The self-cleaning filter of claim 1, wherein the housing comprises a first housing and a second housing, the first housing and the second housing being mounted by a staple and snap fit.
  5. 5. The self-cleaning filter of claim 4, wherein a seal ring is provided at a junction of the first housing and the second housing.
  6. 6. The self-cleaning filter of claim 4, wherein the piston is connected to an external operating handle by a screw extending from the top of the second housing to connect to the operating handle, the screw being threadably connected to the second housing.
  7. 7. The self-cleaning filter according to claim 1, wherein the filter element outlet at one end of the filter element is aligned with the vertical channel, the other end is provided with a closing plate, the closing plate is abutted against one end of the spring, the other end of the spring is abutted against the inner bottom of the shell, the closing plate is used for disconnecting the upper space and the lower space of the closing plate in the filtering function, and the upper space and the lower space of the closing plate are communicated in the self-cleaning function.
  8. 8. The self-cleaning filter according to claim 1, wherein the inner walls of the water inlet and the water outlet are provided with internal threads for connecting pipes.

Description

Self-cleaning filter Technical Field The utility model relates to the field of filtering devices, in particular to a self-cleaning filter. Background The industrial water filter using the stainless steel filter element commonly used in the industry at present has the advantages that the filter element can be disassembled and cleaned for recycling, but a great amount of manpower and equipment downtime are required to be consumed in the disassembly and cleaning process, the disassembly or the assembly is not at risk of water leakage when the filter element is cleaned, and the disassembly and the assembly are repeated to increase the loss of the mechanism. Disclosure of utility model The utility model aims to provide a self-cleaning filter, which is characterized in that a transverse channel on the self-cleaning filter is connected with a water outlet or a water inlet by rotating a piston, so that the filtering and self-cleaning functions of the filter are realized. In order to solve the technical problems, the following technical scheme is adopted: The utility model provides a self-cleaning filter which comprises a shell, a filter element and an adjusting mechanism, wherein the filter element comprises a filter element outlet at the end part and a filter hole on the side wall, the filter element is arranged in the shell, the outer wall of the shell is provided with a water outlet and a water inlet communicated with the inside, and the path of water flow entering the shell by the adjusting mechanism is switched so as to realize the filtering and self-cleaning functions of the filter; The adjusting mechanism comprises a piston, the piston is arranged in the shell, a vertical channel and a transverse channel are arranged in the piston, the vertical channel is communicated with the transverse channel and is mutually perpendicular to the transverse channel, the vertical channel is positioned above the outlet of the filter element and is communicated with the outlet of the filter element, and the transverse channel is communicated with the water outlet or the water inlet through rotating the piston; The bottom of the shell is provided with a drain outlet which is used for draining the sewage when the filter is self-cleaned. Optionally, the transverse channel comprises a first channel and a second channel, the first channel is used for being communicated with the water inlet, the second channel is used for being communicated with the water outlet, and the first channel and the second channel form an included angle of ninety degrees. Optionally, a notch is further arranged on the outer side of the piston, the notch is located at the position opposite to the second channel, and the size of the notch is enough that the notch covers the water inlet when the second channel is connected with the water outlet, and the piston seals the water outlet when the first channel is connected with the water inlet. Optionally, the housing comprises a first housing and a second housing, the first housing and the second housing being mounted by a hoop and a snap fit. Optionally, a sealing ring is arranged at the joint of the first shell and the second shell. Optionally, the piston is connected with an external operating handle through a screw rod, the screw rod extends out from the top of the second housing and is connected with the operating handle, and the screw rod is in threaded connection with the second housing. Optionally, the filter core export of filter core one end aligns vertical passageway, and the other end is equipped with the closing plate, and the closing plate supports in the one end of spring, and the other end of spring supports in the casing bottom, the closing plate is used for closing the upper and lower space disconnection of board when filtering capability, and the upper and lower space intercommunication of closing plate when self-cleaning capability. Optionally, the inner walls of the water inlet and the water outlet are provided with internal threads for connecting the pipeline. Compared with the prior art, the utility model has the beneficial effects that: 1. The self-cleaning filter provided by the utility model can realize the filtering function and the self-cleaning function of the filter by communicating the transverse channel on the rotary piston with the water outlet or the water inlet, when the transverse channel is connected with the water inlet, water enters from the water inlet, flows through the vertical channel, enters into the filter element outlet, is discharged from the filtering hole and finally is discharged from the drain outlet, so as to realize the self-cleaning function, when the transverse channel is communicated with the water outlet, the water inlet and the water outlet flow out, so as to realize the filtering function, when the transverse channel is connected with the water outlet, water enters into the shell from the water inlet, is filtered through the filtering hole on the side wa