CN115920511A

CN115920511A - T-shaped filter

Info

Publication number: CN115920511A
Application number: CN202211596228.2A
Authority: CN
Inventors: 丁熠; 丁仁伟
Original assignee: Wuxi Nanda Special Petrochemical Equipment Accessories Co ltd
Current assignee: Wuxi Nanda Special Petrochemical Equipment Accessories Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-04-07
Anticipated expiration: 2042-12-13
Also published as: CN115920511B

Abstract

The application relates to a T type filter relates to filter technical field. The filter comprises an inlet water pipeline and an outlet water pipeline, a filter pipeline is arranged between the inlet water pipeline and the outlet water pipeline, a cover plate is fixedly arranged at the port of the filter pipeline through a connecting plate, a filter cylinder is arranged on the cover plate and inserted into the filter pipeline, the filter cylinder comprises an outer layer and an inner layer, the outer layer is connected with the cover plate through a connecting piece, a slide hole is formed in the bottom of the outer layer and communicated with a filter hole in the filter cylinder, the inner layer is inserted into the slide hole and slides in the slide hole, a jacking assembly is arranged between the inner layer and the cover plate, and a pushing and sweeping assembly is arranged between the connecting plate and the filter pipeline. This application has the effect that can clear up the impurity between the filter tube way and the section of thick bamboo.

Description

T-shaped filter

Technical Field

The application relates to the field of filters, in particular to a T-shaped filter.

Background

T-shaped pipeline filter is equipment for removing solid impurities in the process of pipeline transportation of liquid. When the liquid flows through the filter, impurities in the liquid are filtered out, so that the normal operation of a pump, a compressor, instruments and other equipment can be protected.

In the related art, a novel T-shaped filter disclosed in chinese patent with publication number CN206823331U includes an i-shaped pipe and a filter pipe, the i-shaped pipe and the filter pipe are together sleeved with a filter cartridge, a flange cover is installed on an end surface of the filter pipe, a stirring rod is arranged in a central axis direction of the filter cartridge, one end of the stirring rod passes through the flange cover and is connected with a motor, a sealing ring annularly distributed around the stirring rod is arranged at a position in the flange cover, which is in contact with the stirring rod, and a stirring blade extending in a radial direction of the filter cartridge is arranged on the stirring rod; still be equipped with belt cleaning device in the cartridge filter, belt cleaning device is including wasing circle, cleaning brush and propelling movement pole, washs the circle and is cyclic annular and coaxial setting with the cartridge filter around stirring paddle leaf, the cleaning brush setting on wasing the lateral wall of circle and with the inner wall adaptation contact of cartridge filter, the one end and the washing circle fixed connection of propelling movement pole, the other end extends and passes the blind flange setting along the axial direction of cartridge filter. This novel T type filter cartridge filter that filter effect is good, can maintain on line.

The inventors found that at least the following problems exist in this technique: after the wastewater is filtered, when impurities in the filter cartridge are discharged, the impurities between the filter cartridge and the inner wall of the filter pipeline cannot be discharged together with the wastewater, and the impurities between the filter cartridge and the inner wall of the filter pipeline are accumulated more and more along with the increase of the filtering times, so that the impurities are to be improved.

Disclosure of Invention

In order to improve impurity between cartridge filter and the filter tube inner wall and will can' T be discharged along with waste water together to along with the increase of filtering the number of times, the problem that impurity between cartridge filter and the filter tube inner wall will be more and more, this application provides a T type filter.

The application provides a T type filter adopts following technical scheme:

a T-shaped filter comprises a water inlet pipeline and a water outlet pipeline, a filtering pipeline is arranged between the water inlet pipeline and the water outlet pipeline, a cover plate is fixedly arranged at the port of the filtering pipeline through a connecting plate, a filter cartridge is arranged on the cover plate and inserted into the filtering pipeline, the filter cartridge comprises an outer layer and an inner layer, the outer layer is connected with the cover plate through a connecting piece, a sliding hole is formed in the bottom of the outer layer and communicated with a filtering hole in the filter cartridge, the inner layer is inserted into the sliding hole and slides in the sliding hole, a jacking assembly is arranged between the inner layer and the cover plate, and a pushing and sweeping assembly is arranged between the connecting plate and the filtering pipeline.

Through adopting above-mentioned technical scheme, after waste water filters and finishes, can start the jacking subassembly and upwards jack the inlayer along vertical direction, then start to push away and sweep the subassembly, push away and sweep the subassembly and can push away the impurity on the apron and sweep to blowoff hole department, partial impurity can directly be discharged by the blowoff hole, the part can't directly push away the impurity of sweeping and can follow next waste water and discharge together, thereby can discharge together and remain the impurity on the apron with can't following waste water, especially filter the pipeline inner wall and strain the impurity between the section of thick bamboo and clear away, so that the impurity at apron top is difficult for more.

Optionally, the connecting piece is a screw, a threaded hole is formed in the cover plate, one end of the connecting piece is rotatably connected with the outer bottom wall, and the other end of the connecting piece is connected with the threaded hole in a threaded manner.

By adopting the technical scheme, when in installation, each connecting piece is aligned with the corresponding threaded hole and simultaneously screwed into the threaded hole, and the installation of the filter cylinder can be completed; when the filter cartridge is disassembled, the four connecting pieces are simultaneously screwed out of the threaded holes, and the disassembly of the filter cartridge and the cover plate can be completed.

Optionally, the jacking assembly comprises a jacking plate, a jacking rod and a jacking pipe, a cavity is formed in the cover plate, the jacking plate is inserted into the cavity and slides in the cavity, a rubber sleeve is fixedly arranged on the peripheral wall of the jacking plate in a fixed mode and tightly abuts against the inner wall of the cavity, one end of the jacking rod is fixed to the jacking plate, the other end of the jacking rod penetrates through the inner wall of the cavity and abuts against the bottom wall of the inner layer, and the jacking pipe is communicated with the cavity and is provided with an electromagnetic valve.

Through adopting above-mentioned technical scheme, after waste water filters and finishes, can with jacking pipe intercommunication air supply and open the solenoid valve, then to the cavity intracavity input gas to with the jacking board along the ascending jacking of vertical direction, thereby the jacking pole will promote the inlayer and follow vertical direction rebound, so that give way the clearance between the roof of inlayer and apron, thereby be convenient for push away and sweep the subassembly and push away and sweep.

Optionally, the pushing and sweeping assembly comprises a pushing portion, a pushing and sweeping portion and a gas returning portion, the pushing portion is arranged between the connecting plate and the filtering pipeline, the pushing and sweeping portion is arranged on the pushing portion, and the gas returning portion is connected between the connecting plate and the pushing portion.

By adopting the technical scheme, after the inner layer is completely jacked, the pushing part is started, and the pushing part drives the pushing and sweeping part to push and sweep impurities at the top of the cover plate towards the sewage draining hole; after the pushing and sweeping are finished, the pushing part can be retracted through the air returning part.

Optionally, the pushing part comprises a ring pipe, a connecting pipe, an air inlet pipe, a pushing plate and a pushing spring, the ring pipe is fixedly sleeved on the filtering pipe, the air inlet pipe is communicated with the ring pipe and provided with an electromagnetic valve, the inner wall of the filtering pipe is provided with a pushing hole extending to the connecting plate, one end of the connecting pipe is communicated with the ring pipe and the other end of the connecting pipe is communicated with the pushing hole, the pushing plate is inserted and slides in the pushing hole, the pushing plate is fixedly sleeved with a sealing sleeve and tightly abuts against the inner wall of the pushing hole, the pushing spring is connected between the inner wall of the pushing hole and the pushing plate, the pushing and sweeping part is arranged on the pushing plate, and the air returning part is connected between the pushing plate and the connecting plate.

By adopting the technical scheme, after the inner layer is jacked up, the air inlet pipe can be communicated with the air source and the electromagnetic valve on the air inlet pipe is opened so as to convey the air into the circular pipe, then the air is conveyed into the connecting pipe through the circular pipe, and finally the air is conveyed into the pushing hole through the connecting pipe and is jacked out towards the pushing hole along with the increase of air pressure; at this time, the pushing plate drives the pushing and sweeping part to push and sweep the impurities on the cover plate.

Optionally, push away the portion of sweeping including push away sweep the board, push away sweep the hair and push away sweep the spring, the diapire of push away the board has been seted up and has been pushed away and has been swept the hole, push away sweep the board insert establish to push away sweep downthehole and with push away the inner wall sliding connection in hole, push away sweep the board with push away the inner wall looks butt in hole, push away sweep the spring coupling in push away sweep the board with push away between the inner wall in hole, push away sweep the hair with push away sweep the board and connect, push away sweep the board and be close to one side of pushing away the spring is provided with the spigot surface.

By adopting the technical scheme, after the push plate pushes out of the push hole, the push-broom plate automatically extends out of the push-broom hole through the elasticity of the push-broom spring until the push-broom plate is abutted with the top wall of the cover plate; then the pushing plate continues to move towards the sewage draining hole, and in the process, the pushing and sweeping bristles push and sweep impurities on the cover plate towards the sewage draining hole.

Optionally, the slurcam is close to spacing hole has been seted up to one side of promotion spring, spacing hole includes first hole and second hole, first hole with the second hole is linked together just first hole site is close to the second hole promote one side of spring, the fixed gag lever post that is provided with of inner wall in promotion hole, the tip of gag lever post is provided with the limiting plate, the gag lever post is worn to locate first hole extends in the second hole, the limiting plate is inserted and is established to the second is downthehole.

By adopting the technical scheme, the limiting rod can ensure that the pushing plate can stably move in the pushing hole and is not easy to deflect; the limiting plate has the function that the pushing plate is not easy to completely slide out of the pushing hole.

Optionally, a scraping plate is fixedly arranged at one end of the pushing and sweeping plate, which is far away from the pushing and sweeping spring, and the pushing and sweeping bristles are fixedly connected with the scraping plate.

Through adopting above-mentioned technical scheme, the impurity that the scraper blade can push away to sweep the hair and push away to sweeping to being close to the blowhole to improve the quality of pushing away to impurity on the apron and sweeping.

Optionally, the gas return portion includes return trachea and hose, return trachea one end with promote the hole intercommunication, the other end with the hose intercommunication, be provided with the solenoid valve on the return trachea, it has set up the return hole to run through on the slurcam, the scraper blade is located one side of sweeping the hair has seted up a plurality of gas holes, the inside air intake chamber that is provided with of scraper blade just the air intake chamber with the gas hole intercommunication, it has seted up the inlet port just to sweep on the board the inlet port with the air intake chamber intercommunication, the hose is kept away from return trachea one end run through to promote downthehole and with return hole intercommunication.

Through adopting above-mentioned technical scheme, when reseing to the slurcam, can open the solenoid valve on returning the trachea to the slurcam is when retrieving, can will promote downthehole gas pressure to returning in the trachea, again by returning the trachea and carry to the hose, then in proper order through returning gas pocket, inlet port, air inlet chamber and gas hole, in order to reach the exhaust effect.

Optionally, the inner wall sliding connection in promotion hole has a plurality of links, the hose wear to locate the link and with link fixed connection.

Through adopting above-mentioned technical scheme, the link can carry on spacingly to the hose to when the catch plate drives the hose and removes, the hose is difficult for contacting with the promotion spring and is pressed from both sides on promoting the spring.

In summary, the present application includes at least one of the following advantages:

1. after waste water filters and finishes, can start the jacking subassembly and upwards jack the inlayer along vertical direction, then start to push away and sweep the subassembly, push away and sweep the subassembly and can push away the impurity on the apron and sweep to blowoff hole department to can discharge together and remain the impurity on the apron with can't following waste water, especially filter the pipeline inner wall and strain impurity between the section of thick bamboo and clear away, so that the impurity at apron top is difficult for more long-pending.

2. During installation, each connecting piece is aligned with the corresponding threaded hole and is screwed into the threaded hole at the same time, and then the installation of the filter cartridge can be completed; when the filter cartridge is disassembled, the four connecting pieces are simultaneously screwed out of the threaded holes, and the disassembly of the filter cartridge and the cover plate can be completed.

3. The link can carry on spacingly to the hose to when the promotion board drives the hose and removes, the hose is difficult for contacting with the promotion spring and is pressed from both sides on promoting the spring.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a jacking assembly used in an embodiment of the present application;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a schematic structural diagram of a push-broom assembly in accordance with an embodiment of the present application;

FIG. 5 is an enlarged view at B in FIG. 4;

fig. 6 is an enlarged view at C in fig. 4.

In the figure: 1. a water inlet pipe; 11. a water outlet pipeline; 12. filtering the pipeline; 2. a connecting plate; 21. a push hole; 3. a filter cartridge; 31. an outer layer; 311. a slide hole; 32. an inner layer; 4. a connecting member; 5. a cover plate; 51. a cavity; 52. a threaded hole; 6. a jacking assembly; 61. a jacking plate; 62. a jacking rod; 63. a jacking pipe; 631. an electromagnetic valve; 64. a rubber sleeve; 65. an exhaust pipe; 7. a pushing part; 71. a ring pipe; 72. a connecting pipe; 73. an air inlet pipe; 74. a push plate; 741. a gas return hole; 742. pushing and sweeping the hole; 743. sealing sleeves; 75. a push spring; 76. a limiting hole; 761. a first hole; 762. a second hole; 77. a limiting rod; 78. a limiting plate; 8. a push-broom section; 81. a push sweeping plate; 811. an air inlet; 812. a squeegee; 8121. an air inlet cavity; 8122. a gas blowing hole; 813. a guide surface; 82. hair is pushed and swept; 83. a push-broom spring; 9. a gas return part; 91. a gas return pipe; 92. a hose; 93. and (5) hanging a ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a T type filter. Referring to fig. 1, a T-shaped filter includes an inlet pipe 1 and an outlet pipe 11, and a filtering pipe 12 is disposed between the inlet pipe 1 and the outlet pipe 11. The integrated into one piece of filter pipe 12 one end apart from intake pipe 1 has connecting plate 2, and connecting plate 2 passes through bolt and nut fixedly connected with apron 5, and apron 5 is used for the opening of shutoff filter pipe 12.

Referring to fig. 2, the top wall of the cover plate 5 is provided with a filter cartridge 3, one end of the filter cartridge 3, which is far away from the cover plate 5, extends to a position between the water inlet pipe 1 and the water outlet pipe 11, the inner walls of the water inlet pipe 1 and the water outlet pipe 11 are provided with a sealing plate, the outer side wall of the filter cartridge 3 abuts against the sealing plate, and the sealing plate can prevent wastewater from entering the position between the inner walls of the filter cartridge 3 and the filter pipe 12. A sewage discharge hole is formed in the center of the top wall of the cover plate 5 in a penetrating manner, a plug is arranged in the sewage discharge hole, and after wastewater is introduced from the water inlet pipeline 1 and is discharged to the water outlet pipeline 11, the wastewater is filtered by the filter cylinder 3, so that impurities in the wastewater fall into the filter cylinder 3; and after the wastewater is completely filtered, taking out the plug, thereby discharging impurities from the sewage discharge hole.

Referring to fig. 2 and 3, the filter cartridge 3 includes an outer layer 31 and an inner layer 32, the outer layer 31 is connected to the top of the cap plate 5 by the connector 4, and the bottom of the outer layer 31 is spaced from the bottom of the cap plate 5. The bottom of the outer layer 31 is provided with a sliding hole 311 along the vertical direction, the sliding hole 311 is communicated with a filtering hole on the filter cartridge 3, the inner layer 32 is inserted into the sliding hole 311 and can move in the sliding hole 311 along the vertical direction, the bottom wall of the inner layer 32 is abutted to the top wall of the cover plate 5, and a space is reserved between the top wall of the inner layer 32 and the bottom of the sliding hole, so that the inner layer 32 can move upwards along the vertical direction.

Referring to fig. 3, specifically, in the embodiment of the present invention, the connecting members 4 are provided as screws, and in the embodiment of the present invention, four connecting members 4 are provided, and the four connecting members are uniformly arranged along the circumferential direction of the outer layer 31. The top wall of the cover plate 5 is provided with threaded holes 52 and is in one-to-one correspondence with the four connecting pieces 4, one end of each connecting piece 4 is rotatably connected with the bottom wall of the outer layer 31, and the other end of each connecting piece 4 is in threaded connection with the corresponding threaded hole 52. During installation, each connecting piece 4 is aligned with the corresponding threaded hole 52 and is screwed into the threaded hole 52 at the same time, so that the installation of the filter cartridge 3 can be completed; when the filter cartridge is disassembled, the four connecting pieces 4 are simultaneously screwed out of the threaded holes 52, and the filter cartridge 3 and the cover plate 5 can be disassembled.

Referring to fig. 3, a jacking component 6 is arranged between the inner layer 32 and the cover plate 5, a pushing and sweeping component is arranged between the connecting plate 2 and the filter pipeline 12, after the wastewater is filtered, the jacking component 6 can be started to jack the inner layer 32 upwards along the vertical direction, then the pushing and sweeping component is started, the pushing and sweeping component can push and sweep impurities on the cover plate 5 to a sewage hole, part of the impurities can be directly pushed and swept to the sewage hole to be discharged, part of the impurities which cannot be directly pushed and swept can be discharged along with the next wastewater, so that the impurities which cannot be discharged along with the wastewater and remain on the cover plate 5 can be removed, especially, the impurities between the inner wall of the filter pipeline 12 and the filter cylinder 3 can be removed, the impurities at the top of the cover plate 5 cannot be easily accumulated more and the cover plate 5 and the connecting plate 2 do not need to be separated, the impurities at the top of the cover plate 5 can be removed, and the impurities at the top of the cover plate 5 can be conveniently cleaned.

Referring to fig. 3, the jacking assembly 6 includes a jacking plate 61, a jacking rod 62 and a jacking pipe 63, an annular cavity 51 is opened in the cover plate 5, and the jacking plate 61 is inserted into the cavity 51 in a fitting manner and can move in the vertical direction. The rubber sleeve 64 is fixedly sleeved on the peripheral wall of the jacking plate 61, the rubber sleeve 64 is tightly abutted to the inner wall of the cavity 51, and the rubber sleeve 64 can improve the sealing property between the jacking plate 61 and the inner wall of the cavity 51. One end of the lift rod 62 is fixed to the top wall of the lift plate 61, and the other end thereof penetrates the inner top wall of the cavity 51 and abuts against the bottom wall of the inner layer 32.

The jacking pipe 63 is communicated with the cavity 51 and located on the inner bottom wall of the cavity 51, the electromagnetic valve 631 is arranged on the jacking pipe 63, after the wastewater is filtered, the jacking pipe 63 can be communicated with an air source, the electromagnetic valve 631 is opened, then air is input into the cavity 51 to lift the jacking plate 61 upwards along the vertical direction, so that the jacking rod 62 pushes the inner layer 32 to move upwards along the vertical direction, a gap is left between the inner layer 32 and the top wall of the cover plate 5, and the push-broom assembly is convenient to push broom.

Referring to fig. 1, in addition, an exhaust pipe 65 is further provided in communication with the inner bottom wall of the cavity 51, and a solenoid valve 631 is also provided on the exhaust pipe 65, after the push sweeping is completed, the solenoid valve 631 on the exhaust pipe 65 can be opened to exhaust the gas in the cavity 51, so as to facilitate the inner layer 32 to automatically move downward in the vertical direction.

Referring to fig. 4, the push-broom assembly includes a push portion 7, a push-broom portion 8, and a gas return portion 9, the push portion 7 is connected between the connection plate 2 and the filter duct 12, the push-broom portion 8 is disposed on the push portion 7, and the gas return portion 9 is connected between the connection plate 2 and the push plate 74. After the inner layer 32 is jacked, the pushing part 7 is started, and the pushing part 7 drives the pushing and sweeping part 8 to push and sweep impurities at the top of the cover plate 5 towards the sewage hole; after the pushing and sweeping are finished, the pushing part 7 can be retracted through the air returning part 9.

Referring to fig. 1 and 5, the pushing portion 7 includes a circular tube 71, a connecting pipe 72, an air inlet pipe 73, a pushing plate 74 and a pushing spring 75, the circular tube 71 is fixedly sleeved on the filter pipe 12 and located above the connecting plate 2, the air inlet pipe 73 is communicated with the circular tube 71, the air inlet pipe 73 is also provided with an electromagnetic valve 631, and the air inlet pipe 73 can be used for communicating with an air source to deliver air into the circular tube 71. The inner wall of the filtering pipeline 12 is provided with a pushing hole 21 and the pushing hole 21 extends to the connecting plate 2, the pushing hole 21 is provided with four pushing holes, and one pushing hole 21 corresponds to the adjacent connecting piece 4. One end of the connection pipe 72 is connected to the circular pipe 71, and the other end is connected to the push hole 21, and the connection pipe 72 can further transmit the gas in the circular pipe 71 to the push hole 21.

Referring to fig. 5, the pushing plate 74 is inserted into the pushing hole 21 and can move horizontally, one end of the pushing spring 75 is fixed to one end of the pushing plate 74 close to the bottom of the pushing hole 21, and the other end of the pushing spring 75 is fixed to the bottom of the pushing hole 21, and after the pushing plate 74 extends out of the pushing hole 21, the pushing spring 75 can pull the pushing plate 74 back into the pushing hole 21, so that the resetting effect is achieved. The peripheral wall of the pushing plate 74 near one end of the pushing spring 75 is fixedly sleeved with a sealing sleeve 743, the sealing sleeve 743 is tightly abutted to the inner wall of the pushing hole 21, and the sealing sleeve 743 can improve the sealing property between the pushing plate 74 and the inner wall of the pushing hole 21. The pushing and sweeping part 8 is arranged on the pushing plate 74, and the air returning part 9 is connected between the connecting plate 2 and the pushing plate 74.

After the inner layer 32 is jacked, the air inlet pipe 73 is communicated with an air source, the electromagnetic valve 631 on the air inlet pipe 73 is opened, so that the air is conveyed into the circular pipe 71, then conveyed into the connecting pipe 72 through the circular pipe 71, and finally conveyed into the pushing hole 21 through the connecting pipe 72, and the pushing plate 74 is jacked out towards the pushing hole 21 along with the increase of air pressure; at this time, the pushing plate 74 will drive the pushing and sweeping part 8 to push and sweep the impurities on the cover plate 5; after the pushing and sweeping is completed, the gas in the pushing hole 21 is discharged through the gas returning portion 9, so that the pushing spring 75 resets the pushing plate 74.

Referring to fig. 5 and 6, in addition, a limiting hole is formed in one side of the pushing plate 74 close to the pushing spring 75, the limiting hole includes a first hole 761 and a second hole 762, the first hole 761 and the second hole 762 are communicated with each other, the first hole 761 is located on one side of the second hole 762 close to the pushing spring 75, and the diameter of the first hole 761 is smaller than that of the second hole 762. The fixed gag lever post 77 that is provided with in hole bottom of promotion hole 21, gag lever post 77 level sets up, and in first hole 761 and the extension of limiting rod 77 wore to locate and second hole 762, gag lever post 77 can make the slurcam 74 can move and be difficult for taking place the skew steadily in promoting hole 21. The limiting rod 77 is fixedly provided with a limiting plate 78 at one end far away from the bottom of the hole of the pushing hole 21, the limiting plate 78 is inserted into the second hole 762 and can horizontally slide, and the limiting plate 78 is used for enabling the pushing plate 74 not to easily and completely slide out of the pushing hole 21.

Referring to fig. 6, the pushing-sweeping part 8 includes a pushing-sweeping plate 81, a pushing-sweeping hair 82 and a pushing-sweeping spring 83, a pushing-sweeping hole 742 is formed in a bottom wall of an end of the pushing-sweeping plate 74 away from the pushing-sweeping spring 75, the pushing-sweeping plate 81 is inserted into the pushing-sweeping hole 742 and is slidably connected to an inner wall of the pushing-sweeping hole 742 on a side close to the pushing-sweeping spring 75, the pushing-sweeping plate 81 can slide in a vertical direction and is abutted against the inner wall of the pushing-sweeping hole 21, and a gap is left between the pushing-sweeping plate 81 and the inner wall of the pushing-sweeping hole 742 on a side away from the pushing-sweeping spring 75, so that the pushing-sweeping hair 82 is accommodated and the pushing-sweeping hair 82 is bent and accommodated in the pushing-sweeping hole 742. The pushing and sweeping bristles 82 are connected with one side of the pushing and sweeping plate 81 far away from the pushing spring 75, and the pushing and sweeping bristles 82 can push and sweep impurities on the cover plate 5.

One end of the push-broom spring 83 is fixed to the bottom of the push-broom hole 742, and the other end is fixed to the top wall of the push-broom plate 81, so that the push-broom spring 83 can push the push-broom plate 81 out of the push-broom hole 742. The bottom of the push-broom 81 near the push spring 75 is provided with a guide surface 813, the guide surface 813 is disposed obliquely, and one end of the guide surface 813 away from the push spring 75 is disposed obliquely downward. After the pushing plate 74 pushes out of the pushing hole 21, the push-broom plate 81 automatically extends out of the push-broom hole 742 by the elastic force of the push-broom spring 83 until abutting against the top wall of the cover plate 5; the pushing plate 74 then continues to move towards the drain opening, during which the pushing bristles 82 push the impurities on the cover plate 5 towards the drain opening; when the pushing spring 75 resets the pushing plate 74, the push-broom plate 81 will automatically retract into the push-broom hole 742 via the guide surface 813, thereby facilitating the retraction of the pushing plate 74 into the pushing hole 21.

Referring to fig. 6, in addition, a scraping plate 812 is fixedly disposed on the bottom wall of the pushing and sweeping plate 81, the cross section of the scraping plate 812 is triangular, and the pushing and sweeping bristles 82 and the side of the scraping plate 812 far away from the pushing spring 75 are fixed, and the scraping plate 812 can push and sweep the impurities pushed and swept by the pushing and sweeping bristles 82 to be close to the sewage draining hole, so that the quality of pushing and sweeping the impurities on the cover plate 5 is improved.

Referring to fig. 5 and 6, the gas return portion 9 includes a gas return pipe 91 and a hose 92, one end of the gas return pipe 91 is communicated with the push hole 21, the other end is communicated with the hose 92, and the gas return pipe 91 is also provided with an electromagnetic valve 631. A return air hole 741 penetrates through one side of the pushing plate 74 close to the pushing spring 75, and the return air hole 741 is step-shaped. A plurality of air blowing holes 8122 are formed in one side, located on the sweeping hair 82, of the scraper 812, an air inlet cavity 8121 is formed in the scraper 812, and the air inlet cavity 8121 is communicated with the air blowing holes 8122. An air inlet hole 811 is formed through one side of the push-broom plate 81 close to the push spring 75, and the air inlet pipe 73 extends to the scraper 812 and is communicated with the air inlet cavity 8121.

When the scraper 812 abuts against the bottom wall of the cover plate 5, the air inlet hole 811 is communicated with the air return hole 741. When the push plate 74 is reset, the electromagnetic valve 631 on the air return pipe 91 can be opened, so that when the push plate 74 is recovered, the air in the push hole 21 can be pressed into the air return pipe 91, then conveyed into the hose 92 through the air return pipe 91, and then sequentially passes through the air return hole 741, the air inlet hole 811, the air inlet cavity 8121 and the air blowing hole 8122, so as to achieve the effect of discharging; and when the impurities on the cover plate 5 are discharged from the blowing hole 8122, the impurities can be blown towards the sewage discharge hole, and the impurities remained on the push broom 82 can be blown off, so that the push broom 82 is not easy to remain the impurities.

Referring to fig. 5, in addition, the inner top wall of the pushing hole 21 is connected with a plurality of hanging rings 93 in a sliding manner, in the embodiment of the present application, three hanging rings 93 are provided, one end of the hose 92 located in the pushing hole 21 penetrates through the hanging rings 93 and is fixedly connected with the hanging rings 93, and the hanging rings 93 can limit the hose 92, so that when the pushing plate 74 drives the hose 92 to move, the hose 92 is not easily contacted with the pushing spring 75 and is clamped on the pushing spring 75.

The implementation principle of the T-shaped filter in the embodiment of the application is as follows: after the inner layer 32 is lifted, the air inlet pipe 73 is communicated with an air source, the electromagnetic valve 631 on the air inlet pipe 73 is opened, so that the air is conveyed into the circular pipe 71, then conveyed into the connecting pipe 72 through the circular pipe 71, and finally conveyed into the pushing hole 21 through the connecting pipe 72, and the pushing plate 74 is pushed out towards the pushing hole 21 along with the increase of air pressure; after the pushing plate 74 pushes out of the pushing hole 21, the push-broom plate 81 automatically extends out of the push-broom hole 742 by the elastic force of the push-broom spring 83 until abutting against the top wall of the cover plate 5; the push plate 74 then continues to move toward the drain opening, during which the push bristles 82 push the impurities on the cover plate 5 toward the drain opening.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a T type filter, includes inlet channel (1) and outlet conduit (11), and is provided with between inlet channel (1) and outlet conduit (11) and filters pipeline (12), and the port of filtering pipeline (12) passes through connecting plate (2) and fixes being provided with apron (5), is provided with on apron (5) to strain a section of thick bamboo (3), strains a section of thick bamboo (3) and inserts and establish to filtering pipeline (12) in, its characterized in that: the filter cartridge (3) comprises an outer layer (31) and an inner layer (32), the outer layer (31) is connected with the cover plate (5) through a connecting piece (4), a sliding hole (311) is formed in the bottom of the outer layer (31), the sliding hole (311) is communicated with a filtering hole in the filter cartridge (3), the inner layer (32) is inserted into the sliding hole (311) and slides in the sliding hole, a jacking assembly (6) is arranged between the inner layer (32) and the cover plate (5), and a pushing and sweeping assembly is arranged between the connecting plate (2) and the filtering pipeline (12).

2. A T-strainer according to claim 1 wherein: the connecting piece (4) is a screw rod, a threaded hole (52) is formed in the cover plate (5), one end of the connecting piece (4) is rotatably connected with the bottom wall of the outer layer (31), and the other end of the connecting piece is connected with the threaded hole (52) in a threaded mode.

3. A T-strainer according to claim 1 wherein: the jacking assembly (6) comprises a jacking plate (61), a jacking rod (62) and a jacking pipe (63), a cavity (51) is formed in the cover plate (5), the jacking plate (61) is inserted and slides in the cavity (51), a rubber sleeve (64) is fixedly sleeved on the peripheral wall of the jacking plate (61) and abuts against the inner wall of the cavity (51), one end of the jacking rod (62) is fixed with the jacking plate (61), the other end of the jacking rod penetrates through the inner wall of the cavity (51) and abuts against the bottom wall of the inner layer (32), and the jacking pipe (63) is communicated with the cavity (51) and is provided with an electromagnetic valve (631).

4. A T-strainer according to claim 1 wherein: push away and sweep the subassembly including pushing away portion (7), push away and sweep portion (8) and return gas portion (9), pushing away portion (7) are located connecting plate (2) with between filtering duct (12), push away and sweep portion (8) and locate push away on the portion (7), return gas portion (9) connect in connecting plate (2) with push away between the portion (7).

5. A T-strainer according to claim 4 wherein: the pushing part (7) comprises an annular pipe (71), a connecting pipe (72), an air inlet pipe (73), a pushing plate (74) and a pushing spring (75), the annular pipe (71) is fixedly sleeved on the filtering pipeline (12), the air inlet pipe (73) is communicated with the annular pipe (71), the air inlet pipe (73) is provided with an electromagnetic valve (631), the inner wall of the filtering pipeline (12) is provided with a pushing hole (21), the pushing hole (21) extends to the connecting plate (2), one end of the connecting pipe (72) is communicated with the annular pipe (71), the other end of the connecting pipe is communicated with the pushing hole (21), the pushing plate (74) is inserted and slides in the pushing hole (21), a sealing sleeve (743) is fixedly arranged on the pushing plate (74), the sealing sleeve (743) is tightly abutted to the inner wall of the pushing hole (21), the pushing spring (75) is connected between the inner wall of the pushing hole (21) and the pushing plate (74), the pushing sweeping part (8) is arranged on the pushing plate (74), and the air returning part (9) is connected between the connecting plate (2).

6. A T-type filter according to claim 5, wherein: push away portion of sweeping (8) including push away sweep board (81), push away sweep hair (82) and push away sweep spring (83), the diapire of push away board (74) has been seted up and has been pushed away and has been swept hole (742), push away sweep board (81) insert establish extremely push away sweep in hole (742) and with push away the inner wall sliding connection who sweeps hole (742), push away sweep board (81) with the inner wall looks butt that promotes hole (21), push away sweep spring (83) connect in push away sweep board (81) with push away between the inner wall of sweeping hole (742), push away sweep hair (82) with push away sweep board (81) and connect, push away sweep board (81) and be close to one side that promotes spring (75) is provided with spigot surface (813).

7. A T-strainer according to claim 5 wherein: the pushing plate (74) is close to one side of pushing spring (75) has been seted up spacing hole, spacing hole includes first hole (761) and second hole (762), first hole (761) with second hole (762) are linked together just first hole (761) is located second hole (762) are close to one side of pushing spring (75), the fixed gag lever post (77) that is provided with of inner wall of promotion hole (21), the tip of gag lever post (77) is provided with limiting plate (78), gag lever post (77) are worn to locate first hole (761) and are extended in second hole (762), limiting plate (78) insert establish to in second hole (762).

8. A T-strainer according to claim 6 wherein: a scraping plate (812) is fixedly arranged at one end, far away from the push-broom spring (83), of the push-broom plate (81), and the push-broom bristles (82) are fixedly connected with the scraping plate (812).

9. A T-strainer according to claim 8 wherein: return trachea portion (9) including returning trachea (91) and hose (92), return trachea (91) one end with promote hole (21) intercommunication, the other end with hose (92) intercommunication, be provided with solenoid valve (631) on returning trachea (91), it has seted up return hole (741) to run through on push pedal (74), scraper blade (812) are located a plurality of gas blowing holes (8122) have been seted up to one side of pushing away sweeping hair (82), scraper blade (812) inside be provided with admit air chamber (8121) just admit air chamber (8121) with gas blowing hole (8122) intercommunication, seted up inlet port (811) on push pedal (81) just inlet port (811) with admit air chamber (8121) intercommunication, hose (92) are kept away from return trachea (91) one end run through to in promoting hole (21) and with return hole (741) intercommunication.

10. A T-strainer according to claim 9 wherein: the inner wall of the pushing hole (21) is connected with a plurality of hanging rings (93) in a sliding mode, and the hose (92) penetrates through the hanging rings (93) and is fixedly connected with the hanging rings (93).