CN115920511B - T-shaped filter - Google Patents

Abstract

The application relates to a T type filter relates to filter technical field. The filter cartridge comprises a water inlet pipeline and a water outlet pipeline, wherein a filter pipeline is arranged between the water inlet pipeline and the water outlet pipeline, a cover plate is fixedly arranged at a port of the filter pipeline through a connecting plate, a filter cartridge is arranged on the cover plate and inserted into the filter 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 is communicated with the filter hole on the filter cartridge, the inner layer is inserted into and slides in the sliding hole, a jacking component is arranged between the inner layer and the cover plate, and a push-broom component is arranged between the connecting plate and the filter pipeline. The application has the effect that impurities between the filtering pipeline and the filter cylinder can be cleaned.

Description

T-shaped filter

Technical Field

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

Background

T-shaped pipeline filter is equipment for removing solid impurities in the process of pipeline liquid conveying. When the liquid flows through the filter, impurities in the liquid are filtered out, so that the pump, the compressor, the instrument and other equipment can be protected to work normally.

In the related art, a novel T-shaped filter disclosed in Chinese patent with an authorized bulletin number of CN206823331U comprises an I-shaped pipeline and a filtering pipeline, wherein a filter cartridge is sleeved on the I-shaped pipeline and the filtering pipeline together, a flange cover is arranged on the end face of the filtering pipeline, a stirring rod is arranged in the central axis direction of the filter cartridge, one end of the stirring rod penetrates through the flange cover to be connected with a motor, a sealing ring which is annularly distributed around the stirring rod is arranged at the position, in the flange cover, in contact with the stirring rod, and stirring blades which extend along the radial direction of the filter cartridge are arranged on the stirring rod; still be equipped with belt cleaning device in the cartridge filter, belt cleaning device includes washing circle, cleaning brush and push rod, and the washing circle is cyclic annular and coaxial setting with the cartridge filter around stirring paddle, and the cleaning brush setting is on the lateral wall of washing circle and with the inner wall adaptation contact of cartridge filter, the one end and the washing circle fixed connection of push rod, the axial direction of the cartridge filter is followed to the other end and is extended and pass the blind flange setting. The novel T-shaped filter has good filtering effect and can maintain the filter cartridge on line.

The inventors found that there are at least the following problems in this technique: when the impurities in the filter cartridge are discharged after the wastewater is filtered, 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 more accumulated along with the increase of the filtering times, so that the improvement is needed.

Disclosure of Invention

In order to improve the problem that impurities between the filter cartridge and the inner wall of the filter pipeline cannot be discharged together with wastewater and the impurities between the filter cartridge and the inner wall of the filter pipeline are accumulated more along with the increase of the filtering times, the T-shaped filter is provided.

The T-shaped filter adopts the following technical scheme:

the utility model provides a T type filter, includes inlet channel and outlet conduit, and is provided with filter pipeline between inlet channel and the outlet conduit, filter pipeline's port is provided with the apron through the connecting plate is fixed, is provided with on the apron and strains the cartridge, strains the cartridge and inserts to filter pipeline in, strain the cartridge and include skin and inlayer, the skin pass through the connecting piece with the apron is connected, the slide opening just has been seted up to the outer bottom the slide opening with strain the filter opening on the cartridge is linked together, the inlayer insert establish and slide in the slide opening, the inlayer with be provided with jacking subassembly between the apron, the connecting plate with be provided with between the filter pipeline and push away the subassembly.

Through adopting above-mentioned technical scheme, after the waste water filters, can start the jacking subassembly and upwards jack-up the inlayer along vertical direction, then start the push-broom subassembly, push-broom subassembly can push away the impurity on the apron and sweep to blowdown hole department, and partial impurity can directly be discharged by the blowdown hole, and the impurity that the unable direct push-broom of part can follow waste water and discharge together next time to can be with can not follow waste water and discharge together and remain the impurity on the apron, especially filter pipeline inner wall and filter cartridge impurity clear away, so that the impurity at apron top is difficult for the more.

Optionally, the connecting piece sets up to the screw rod, set up threaded hole on the apron, connecting piece one end with outer diapire rotates to be connected, the other end with threaded connection in threaded hole.

By adopting the technical scheme, when in installation, each connecting piece is aligned with the corresponding threaded hole and screwed into the threaded hole at the same time, so that the filter cartridge can be installed; when the filter cartridge is disassembled, the four connecting pieces are screwed out of the threaded holes at the same time, and the filter cartridge and the cover plate can be disassembled.

Optionally, the jacking subassembly includes jacking plate, jacking rod and jacking pipe, the cavity has been seted up to the apron inside, the jacking plate insert establish and slide in the cavity, the fixed cover of perisporium of jacking plate be equipped with the rubber sleeve just the rubber sleeve with the inner wall looks tight of cavity, jacking rod one end with the jacking plate is fixed, the other end runs through the inner wall of cavity and with the diapire looks butt of inlayer, the jacking pipe with the cavity is linked together just be provided with the solenoid valve on the jacking pipe.

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

Optionally, the push broom assembly includes a pushing part, a push broom part and a return air part, wherein the pushing part is arranged between the connecting plate and the filtering pipeline, the push broom part is arranged on the pushing part, and the return air part is connected between the connecting plate and the pushing part.

By adopting the technical scheme, after the inner layer is lifted, the pushing part is started, and the pushing part drives the pushing 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 promotion portion includes ring canal, connecting pipe, intake pipe, fly leaf and push spring, the fixed cover of ring canal is located on the filter tube, the intake pipe with the ring canal intercommunication just be provided with the solenoid valve in the intake pipe, the push hole just has been seted up to the inner wall of filter tube the push hole extends to on the connecting plate, connecting pipe one end with ring canal intercommunication, the other end and push hole intercommunication, the fly leaf insert establish and slide in the push hole, fixed cover on the fly leaf be equipped with the seal cover just the seal cover with the inner wall of fly leaf offsets tightly, push spring connect in the inner wall of fly leaf with between the fly leaf, push away sweep the portion and locate on the fly leaf, return the gas portion connect in between the fly leaf and the connecting plate.

By adopting the technical scheme, after the inner layer is lifted, the air inlet pipe is communicated with the air source, the electromagnetic valve on the air inlet pipe is opened, so that the air is conveyed into the annular pipe, then the annular pipe is conveyed into the connecting pipe, finally the connecting pipe is conveyed into the pushing hole, and the pushing plate is lifted out towards the pushing hole along with the increase of the 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, the push broom part includes push broom board, push broom hair and push broom spring, push broom hole has been seted up to the diapire of push broom board, push broom board insert to push broom downthehole and with push broom hole's inner wall sliding connection, push broom board with push broom hole's inner wall looks butt, push broom spring connect in push broom board with push broom between the inner wall in hole, push broom hair with push broom board is connected, push broom board is close to one side of pushing spring is provided with the guide surface.

By adopting the technical scheme, after the pushing plate pushes out of the pushing hole, the pushing plate automatically stretches out of the pushing hole through the elasticity of the pushing spring until the pushing plate is abutted against the top wall of the cover plate; then the pushing plate continuously moves towards the sewage drain hole, and the push-broom hair in the process pushes and sweeps the impurities on the cover plate towards the sewage drain hole.

Optionally, the locating plate is close to one side of pushing the spring has been seted up spacing hole, spacing hole includes first hole and second hole, first hole with the second hole is linked together just first hole is located the second hole is close to one side of pushing the spring, the fixed gag lever post that is provided with of inner wall in pushing the hole, the tip of gag lever post is provided with the locating plate, the gag lever post wears to locate first hole and stretches to in the second hole, the locating plate inserts to in the second hole.

By adopting the technical scheme, the limiting rod can enable the pushing plate to stably move in the pushing hole so as not to easily deviate; the limiting plate has the function that the pushing plate is not easy to slide out of the pushing hole completely.

Optionally, a scraping plate is fixedly arranged at one end of the push-broom plate, which is far away from the push-broom spring, and the push-broom wool is fixedly connected with the scraping plate.

Through adopting above-mentioned technical scheme, the scraper blade can push away the impurity that the hair push away was swept to be close to the blowdown hole to improve the quality of pushing away the impurity on the apron.

Optionally, return the gas portion including returning trachea and hose, return trachea one end with the promotion hole intercommunication, the other end with the hose intercommunication, be provided with the solenoid valve on the return trachea, run through on the promotion board and seted up the gas return hole, the scraper blade is located push away one side of sweeping the hair and seted up a plurality of gas blowing holes, the scraper blade is inside to be provided with the inlet chamber just the inlet chamber with the gas blowing hole intercommunication, push away on the board and seted up the inlet port just the inlet port with the inlet chamber intercommunication, the hose keep away from return the one end of trachea run through to in the promotion hole and with the gas return hole intercommunication.

Through adopting above-mentioned technical scheme, when resetting the impeller plate, can open the solenoid valve on the return air pipe to when the impeller plate retrieves in time, can press the gas in the promotion hole to the return air pipe in, carry the hose by the return air pipe again in, then pass through return air hole, inlet port, air inlet chamber and gas blowing hole in proper order, in order to reach the exhaust effect.

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

Through adopting above-mentioned technical scheme, the link can be spacing to the hose to the promotion board is when driving the hose and remove, and the hose is difficult for contacting with the promotion spring and is pressed from both sides on the promotion spring.

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

1. after the waste water is filtered, the jacking component can be started to jack the inner layer upwards along the vertical direction, then the pushing and sweeping component is started, and the pushing and sweeping component can push and sweep impurities on the cover plate to the blow-down hole, so that the impurities which cannot be discharged together with the waste water and remain on the cover plate can be removed, and especially the impurities between the inner wall of the filtering pipeline and the filter cylinder are removed, so that the impurities at the top of the cover plate are not easy to accumulate more.

2. When the filter cartridge is installed, each connecting piece is aligned with the corresponding threaded hole and screwed into the threaded hole at the same time, so that the filter cartridge can be installed; when the filter cartridge is disassembled, the four connecting pieces are screwed out of the threaded holes at the same time, and the filter cartridge and the cover plate can be disassembled.

3. The hanging ring can limit the hose so that the hose is not easy to contact with the pushing spring and is clamped on the pushing spring when the pushing plate drives the hose to move.

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 according to an embodiment of the present disclosure;

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

FIG. 4 is a schematic diagram of a structure for embodying a push broom assembly in 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 pipe; 12. a filter tube; 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 piece; 5. a cover plate; 51. a cavity; 52. a threaded hole; 6. a jacking assembly; 61. a jacking plate; 62. a lifting rod; 63. a jacking pipe; 631. an electromagnetic valve; 64. a rubber sleeve; 65. an exhaust pipe; 7. a pushing part; 71. a grommet; 72. a connecting pipe; 73. an air inlet pipe; 74. a pushing plate; 741. a return air hole; 742. pushing and sweeping holes; 743. sealing sleeve; 75. a pushing spring; 76. a limiting hole; 761. a first hole; 762. a second hole; 77. a limit rod; 78. a limiting plate; 8. a push-broom part; 81. a push-broom plate; 811. an air inlet hole; 812. a scraper; 8121. an air inlet cavity; 8122. a blow hole; 813. a guide surface; 82. pushing and sweeping hair; 83. a push-broom spring; 9. a gas return part; 91. a return air pipe; 92. a hose; 93. hanging rings.

Detailed Description

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

The embodiment of the application discloses a T-shaped filter. Referring to fig. 1, a T-shaped filter includes a water inlet pipe 1 and a water outlet pipe 11, and a filter pipe 12 is provided between the water inlet pipe 1 and the water outlet pipe 11. The integrated into one piece that filter tube 12 kept away from inlet channel 1 one end has connecting plate 2, and connecting plate 2 passes through bolt and nut fixedly connected with apron 5, and apron 5 is used for shutoff filter tube 12's opening.

Referring to fig. 2, a filter cartridge 3 is disposed on the top wall of the cover plate 5, one end of the filter cartridge 3 away from the cover plate 5 extends between the water inlet pipeline 1 and the water outlet pipeline 11, sealing plates are disposed on the inner walls of the water inlet pipeline 1 and the water outlet pipeline 11, the outer side wall of the filter cartridge 3 abuts against the sealing plates, and the sealing plates can enable waste water not to easily enter between the filter cartridge 3 and the inner wall of the filter pipeline 12. A drain 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 drain hole, and after the wastewater is introduced from the water inlet pipeline 1, the wastewater is filtered by the filter cylinder 3 in the process of being discharged to the water outlet pipeline 11, so that impurities in the wastewater fall into the filter cylinder 3; and after the wastewater is completely filtered, taking out the plug, so that impurities are discharged 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 being connected to the top of the cap plate 5 by a connection member 4 with a gap between the bottom of the outer layer 31 and 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 cylinder 3, the inner layer 32 is inserted into the sliding hole 311 and can move along the vertical direction in the sliding hole 311, the bottom wall of the inner layer 32 is abutted with 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 application, the connecting pieces 4 are provided as screws, in the embodiment of the present application, four connecting pieces 4 are provided in total, and four connecting pieces 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 corresponds to the four connecting pieces 4 one by one, one end of each connecting piece 4 is rotationally connected with the bottom wall of the outer layer 31, and the other end of each connecting piece is in threaded connection with the corresponding threaded hole 52. When the filter cartridge 3 is installed, each connecting piece 4 is aligned with the corresponding threaded hole 52 and screwed into the threaded hole 52 at the same time; when the filter cartridge 3 is dismounted, the four connecting pieces 4 are simultaneously screwed out from the threaded holes 52, and the filter cartridge 3 and the cover plate 5 can be dismounted.

Referring to fig. 3, a jacking component 6 is arranged between the inner layer 32 and the cover plate 5, a push-broom component is arranged between the connecting plate 2 and the filtering pipeline 12, after the waste water is filtered, the jacking component 6 can be started to jack the inner layer 32 upwards along the vertical direction, then the push-broom component is started, the push-broom component can push and broom impurities on the cover plate 5 to the blow-down hole, part of impurities can be directly pushed and swept into the blow-down hole to be discharged, part of impurities which cannot be directly pushed and swept can be discharged together along with the next waste water, so that the impurities which cannot be discharged together and remain on the cover plate 5 can be removed together, and especially the impurities between the inner wall of the filtering pipeline 12 and the filtering drum 3 are removed, so that the impurities at the top of the cover plate 5 are not easy to accumulate more and the cover plate 5 and the connecting plate 2 are not required to be separated, and the impurities at the top of the cover plate 5 can be cleaned more conveniently.

Referring to fig. 3, the jacking assembly 6 includes a jacking plate 61, a jacking rod 62 and a jacking pipe 63, the interior of the cover plate 5 is provided with an annular cavity 51, and the jacking plate 61 is adapted to be inserted into the cavity 51 and can move in the vertical direction. The peripheral wall of the jacking plate 61 is fixedly sleeved with a rubber sleeve 64, the rubber sleeve 64 abuts against the inner wall of the cavity 51, and the rubber sleeve 64 can improve the tightness between the jacking plate 61 and the inner wall of the cavity 51. One end of the lift-up lever 62 is fixed to the top wall of the lift-up plate 61, and the other end 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 is positioned at the inner bottom wall of the cavity 51, the electromagnetic valve 631 is arranged on the jacking pipe 63, after the waste water 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 so as to jack the jacking plate 61 upwards along the vertical direction, and the jacking rod 62 can push the inner layer 32 to move upwards along the vertical direction, so that a gap is reserved between the inner layer 32 and the top wall of the cover plate 5, and the push-broom assembly is convenient to push and sweep.

Referring to fig. 1, in addition, the inner bottom wall of the cavity 51 is further provided with an exhaust pipe 65 in a communicating manner, and the exhaust pipe 65 is also provided with an electromagnetic valve 631, after the push-broom is completed, the electromagnetic valve 631 on the exhaust pipe 65 can be opened to exhaust the gas in the cavity 51, so that the inner layer 32 can automatically move downwards along the vertical direction.

Referring to fig. 4, the push broom assembly includes a pushing part 7, a push broom part 8 and a return air part 9, the pushing part 7 is connected between the connection plate 2 and the filter pipe 12, the push broom part 8 is disposed on the pushing part 7, and the return air part 9 is connected between the connection plate 2 and the push plate 74. After the inner layer 32 is lifted, starting the pushing part 7, and driving the pushing part 7 to push and sweep impurities on the top of the cover plate 5 towards the sewage draining hole by the pushing part 8; after the push-broom is completed, the pushing part 7 can be retracted by the air returning part 9.

Referring to fig. 1 and 5, the pushing part 7 includes a collar 71, a connecting pipe 72, an air inlet pipe 73, a pushing plate 74 and a pushing spring 75, the collar 71 is fixedly sleeved on the filter pipe 12 and is located above the connecting plate 2, the air inlet pipe 73 is communicated with the collar 71, an electromagnetic valve 631 is also arranged on the air inlet pipe 73, and the air inlet pipe 73 can be used for communicating with an air source so as to convey air into the collar 71. The inner wall of the filter pipeline 12 is provided with pushing holes 21, the pushing holes 21 extend to the connecting plate 2, four pushing holes 21 are provided, and one pushing hole 21 corresponds to each adjacent connecting piece 4. One end of the connection pipe 72 is communicated with the loop pipe 71, the other end is communicated with the pushing hole 21, and the connection pipe 72 can convey the gas in the loop pipe 71 into the pushing hole 21.

Referring to fig. 5, the push plate 74 is inserted into the push hole 21 and can move horizontally, one end of the push spring 75 is fixed to one end of the push plate 74 near the bottom of the push hole 21, and the other end is fixed to the bottom of the push hole 21, and the push spring 75 can pull the push plate 74 back into the push hole 21 after the push plate 74 extends out of the push hole 21, so as to achieve the effect of resetting. The sealing sleeve 743 is fixedly sleeved on the peripheral wall of the pushing plate 74 near one end of the pushing spring 75, the sealing sleeve 743 abuts against the inner wall of the pushing hole 21, and the sealing sleeve 743 can improve the tightness between the pushing plate 74 and the inner wall of the pushing hole 21. The push broom 8 is provided on the push plate 74, and the return air 9 is connected between the connection plate 2 and the push plate 74.

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 to convey air into the annular pipe 71, then the annular pipe 71 is conveyed into the connecting pipe 72, and finally the connecting pipe 72 is conveyed into the pushing hole 21 and the air pressure is increased, so that the pushing plate 74 is lifted out towards the pushing hole 21; at this time, the pushing plate 74 drives the pushing and sweeping part 8 to push and sweep impurities on the cover plate 5; after the push-broom is completed, the air in the push hole 21 is discharged through the air return portion 9 so that the push spring 75 resets the push plate 74.

Referring to fig. 5 and 6, in addition, a limit hole is opened at a side of the push plate 74 near the push spring 75, the limit 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 at a side of the second hole 762 near the push spring 75, and a diameter of the first hole 761 is smaller than a diameter of the second hole 762. The bottom of the pushing hole 21 is fixedly provided with a limiting rod 77, the limiting rod 77 is horizontally arranged, the limiting rod 77 penetrates through the first hole 761 and extends into the second hole 762, and the limiting rod 77 can enable the pushing plate 74 to stably move in the pushing hole 21 and not prone to deflection. One end of the limiting rod 77 away from the bottom of the pushing hole 21 is fixedly provided with a limiting plate 78, the limiting plate 78 is inserted into the second hole 762 and can slide horizontally, and the limiting plate 78 has the function of making the pushing plate 74 not easy to slide out of the pushing hole 21 completely.

Referring to fig. 6, the push broom 8 includes a push broom plate 81, a push broom hair 82 and a push broom spring 83, wherein a push broom hole 742 is provided on the bottom wall of the end of the push plate 74 far away from the push spring 75, the push broom plate 81 is inserted into the push broom hole 742 and is slidably connected with the inner wall of the push broom hole 742 near the push spring 75, the push broom plate 81 can slide along the vertical direction and the push broom plate 81 is abutted against the inner wall of the push hole 21, and a gap is left between the push broom plate 81 and the inner wall of the push broom hole 742 far away from the push spring 75, so that the push broom hair 82 is accommodated and the push broom hair 82 is bent and accommodated in the push broom hole 742. The push broom 82 is connected with one side of the push broom plate 81 away from the push spring 75, and the push broom 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, and 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 plate 81 near the side of the push spring 75 is provided with a guide surface 813, the guide surface 813 is obliquely arranged, and one end of the guide surface 813 far away from the push spring 75 is obliquely arranged downwards. After the pushing plate 74 is pushed out of the pushing hole 21, the pushing and sweeping plate 81 automatically extends out of the pushing and sweeping hole 742 by the elastic force of the pushing and sweeping spring 83 until abutting against the top wall of the cover plate 5; the pushing plate 74 continues to move towards the blow-down hole, and the push-broom hair 82 pushes and sweeps the impurities on the cover plate 5 towards the blow-down hole in the process; when the push spring 75 resets the push plate 74, the push broom plate 81 will automatically retract into the push broom hole 742 via the guide surface 813, thereby facilitating retraction of the push plate 74 into the push hole 21.

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

Referring to fig. 5 and 6, the return air portion 9 includes a return air pipe 91 and a hose 92, one end of the return air pipe 91 communicates with the push hole 21, the other end communicates with the hose 92, and the return air pipe 91 is also provided with a solenoid valve 631. The side of the pushing plate 74 near the pushing spring 75 is provided with a gas return hole 741 in a stepped shape. A plurality of air blowing holes 8122 are formed in one side of the scraping plate 812, which is positioned on the brushing hair 82, an air inlet cavity 8121 is formed in the scraping plate 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 near the push spring 75, and the air inlet pipe 73 extends to the scraping plate 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 intake hole 811 communicates with the air return hole 741. When the pushing plate 74 is reset, the electromagnetic valve 631 on the air return pipe 91 can be opened, so that when the pushing plate 74 is recovered in time, the air in the pushing hole 21 can be pressed into the air return pipe 91, then is conveyed into the hose 92 by 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 to achieve the effect of discharging; and when the dust is discharged from the blowhole 8122, impurities on the cover plate 5 can be blown towards the blowhole, and impurities remained on the push broom 82 can be blown off, so that the push broom 82 is not easy to remain impurities.

Referring to fig. 5, in addition, the inner top wall sliding connection of the pushing hole 21 is connected with a plurality of hanging rings 93, in this embodiment, three hanging rings 93 are provided, one end of the hose 92 located in the pushing hole 21 is arranged through the hanging rings 93 and 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 easy to contact 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 to convey air into the annular pipe 71, then the annular pipe 71 is conveyed into the connecting pipe 72, and finally the connecting pipe 72 is conveyed into the pushing hole 21 and the air pressure is increased, so that the pushing plate 74 is lifted out towards the pushing hole 21; after the pushing plate 74 is pushed out of the pushing hole 21, the pushing and sweeping plate 81 automatically extends out of the pushing and sweeping hole 742 by the elastic force of the pushing and sweeping spring 83 until abutting against the top wall of the cover plate 5; the push plate 74 then continues to move towards the drain hole, during which the push broom 82 will push and sweep the impurities on the cover plate 5 towards the drain hole.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (3)

1. The utility model provides a T type filter, includes inlet channel (1) and outlet conduit (11), and is provided with filter pipeline (12) between inlet channel (1) and outlet conduit (11), and the port of filter pipeline (12) is provided with apron (5) through connecting plate (2) is fixed, is provided with on apron (5) and strains a section of thick bamboo (3), strains a section of thick bamboo (3) and inserts and establish to in filter pipeline (12), 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) and is communicated with a filtering hole on the filter cartridge (3), the inner layer (32) is inserted into and slides in the sliding hole (311), a jacking component (6) is arranged between the inner layer (32) and the cover plate (5), and a pushing and sweeping component is arranged between the connecting plate (2) and the filtering pipeline (12);

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 into and slides in the cavity (51), a rubber sleeve (64) is fixedly sleeved on the peripheral wall of the jacking plate (61) and is abutted 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 is abutted 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);

the push-broom assembly comprises a pushing part (7), a push-broom part (8) and a return air part (9), wherein the pushing part (7) is arranged between the connecting plate (2) and the filter pipeline (12), the push-broom part (8) is arranged on the pushing part (7), and the return air part (9) is connected between the connecting plate (2) and the pushing part (7);

the pushing part (7) comprises a ring pipe (71), a connecting pipe (72), an air inlet pipe (73), a pushing plate (74) and a pushing spring (75), wherein the ring pipe (71) is fixedly sleeved on the filter pipeline (12), the air inlet pipe (73) is communicated with the ring pipe (71) and an electromagnetic valve (631) is arranged on the air inlet pipe (73), a pushing hole (21) is formed in the inner wall of the filter pipeline (12) and extends to the connecting plate (2), one end of the connecting pipe (72) is communicated with the ring pipe (71), the other end of the connecting pipe is communicated with the pushing hole (21), the pushing plate (74) is inserted into and slides in the pushing hole (21), a sealing sleeve (743) is fixedly sleeved on the pushing plate (74) and is abutted against 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 part (8) is arranged between the pushing plate (74) and the connecting plate (9);

the push broom part (8) comprises a push broom plate (81), push broom bristles (82) and a push broom spring (83), a push broom hole (742) is formed in the bottom wall of the push broom plate (74), the push broom plate (81) is inserted into the push broom hole (742) and is in sliding connection with the inner wall of the push broom hole (742), the push broom plate (81) is abutted to the inner wall of the push hole (21), the push broom spring (83) is connected between the push broom plate (81) and the inner wall of the push broom hole (742), the push broom bristles (82) are connected with the push broom plate (81), and a guide surface (813) is arranged on one side, close to the push spring (75), of the push broom plate (81).

A limiting hole is formed in one side, close to the pushing spring (75), of the pushing plate (74), the limiting hole comprises a first hole (761) and a second hole (762), the first hole (761) is communicated with the second hole (762), the first hole (761) is located at one side, close to the pushing spring (75), of the second hole (762), a limiting rod (77) is fixedly arranged on the inner wall of the pushing hole (21), a limiting plate (78) is arranged at the end portion of the limiting rod (77), the limiting rod (77) penetrates through the first hole (761) and extends into the second hole (762), and the limiting plate (78) is inserted into the second hole (762);

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 wool (82) is fixedly connected with the scraping plate (812);

the utility model provides a return air portion (9) is including returning trachea (91) and hose (92), return trachea (91) one end with push hole (21) intercommunication, the other end with hose (92) intercommunication, be provided with solenoid valve (631) on returning trachea (91), it returns gas pocket (741) to run through on push plate (74), scraper blade (812) are located push away one side of sweeping hair (82) and seted up a plurality of gas blowing holes (8122), scraper blade (812) inside be provided with inlet chamber (8121) and inlet chamber (8121) with gas blowing hole (8122) intercommunication, push away on sweeping plate (81) inlet port (811) just inlet port (811) with inlet chamber (8121) intercommunication, hose (92) keep away from return one end of trachea (91) run through to in push hole (21) and with return gas pocket (741) intercommunication.

2. A T-filter as claimed in claim 1, wherein: the connecting piece (4) is arranged to be a screw rod, a threaded hole (52) is formed in the cover plate (5), one end of the connecting piece (4) is rotationally connected with the bottom wall of the outer layer (31), and the other end of the connecting piece is in threaded connection with the threaded hole (52).

3. A T-filter as claimed in claim 2, wherein: the inner wall sliding connection of promotion hole (21) has a plurality of link (93), hose (92) wear to locate link (93) and with link (93) fixed connection.