CN214634537U

CN214634537U - Filter that rotatory extrusion was washed

Info

Publication number: CN214634537U
Application number: CN202120082689.2U
Authority: CN
Inventors: 王健华
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-11-09
Anticipated expiration: 2031-01-13

Abstract

The utility model relates to a filtering device, in particular to a rotary extrusion flushing filter, which comprises a shell and a filtering component arranged in the shell, wherein the filtering component comprises a rotating shaft and an elastic filtering body; the elastic filter body is in a hollow cylindrical shape and is sleeved on the rotating shaft; the shell is also internally provided with a jet flow flushing assembly, and the jet flow flushing assembly comprises a driving device and a rotary extrusion rod driven by the driving device to rotate; the rotary extrusion rod is arranged on the side edge of the filter assembly in parallel and generates interference with the elastic filter body; a jet flow channel is arranged in the rotary extrusion rod, a jet flow outlet communicated with the jet flow channel is arranged on the rod body, and a high-pressure fluid inlet is arranged at one end of the rotary extrusion rod; a sewage discharge channel is also arranged in the shell; the utility model discloses usable high-pressure efflux sweeps away penetrating filter material comprehensively, and 360 degrees do not have the dead angle and wash.

Description

Filter that rotatory extrusion was washed

Technical Field

The utility model relates to a filter equipment, concretely relates to filter that rotatory extrusion was washed.

Background

During the purification process of the filter, for example, during the filtration process of the liquid, the filtered substances such as solid impurities are easily deposited on the filtering surface and even permeate into the filtering material, thereby seriously affecting the filtering effect. In order to avoid the above problems, the filter material is usually required to be cleaned after the filter is used for a period of time, and the cleaning of the filter material is usually carried out in two ways, namely manual cleaning, but the manual cleaning is time-consuming and labor-consuming, and the filter element of the filter can be damaged in the processes of disassembly and reassembly; the other is that a back flushing pipeline is arranged in the filter, but the pipeline of the back flushing pipeline is complicated; secondly, the back flush pipeline only depends on the impact force sprayed by the jet flow to flush the filtering material, so that stubborn impurities are difficult to remove, and furthermore, cleaning dead corners are easy to remain.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at overcoming the defect among the prior art, provide a filter that rotatory extrusion was washed, can sweep filtration material comprehensively, 360 degrees do not have the dead angle and wash.

The utility model relates to a rotary extrusion flushing filter, which comprises a shell and a filtering component arranged in the shell, wherein the filtering component comprises a rotating shaft and an elastic filtering body; the elastic filter body is in a hollow cylindrical shape and is sleeved on the rotating shaft; the shell is also internally provided with a jet flow flushing assembly, and the jet flow flushing assembly comprises a driving device and a rotary extrusion rod driven by the driving device to rotate; the rotary extrusion rod is arranged on the side edge of the filtering component in parallel and interferes with the elastic filtering body to extrude the elastic filtering body; a jet flow channel is arranged in the rotary extrusion rod, a jet flow outlet communicated with the jet flow channel is arranged on a rod body of the rotary extrusion rod, and a high-pressure fluid inlet is arranged at one end of the rotary extrusion rod, which is far away from the driving device; a sewage draining channel is also arranged in the shell.

Further, the number of the filter assemblies is two, and the rotary extrusion rod is arranged between the two filter assemblies and extrudes the two filter assemblies simultaneously.

Furthermore, the rotating shaft is of a cylindrical structure, a fixed shaft is arranged at the central axial position of the rotating shaft, the fixed shaft is of a tubular structure, a filtering inlet and a filtering outlet are formed in the shell, the fixed shaft is communicated with the filtering outlet, an upper bearing disc and a lower bearing disc are rotatably arranged on the fixed shaft, two ends of the rotating shaft are respectively fixed on the upper bearing disc and the lower bearing disc, and circulation holes are formed in the rotating shaft and the fixed shaft.

Furthermore, the casing includes lateral wall, upper cover plate and bottom plate, lateral wall, upper cover plate and bottom plate enclose out the filter chamber jointly, be provided with upper bracket and lower carriage on upper cover plate and the bottom plate respectively, the upper end of rotatory extrusion pole with the upper bracket rotates to be connected, the lower extreme with the lower carriage rotates to be connected, and the lower extreme of rotatory extrusion pole passes through rotary flange and outside jet pipeline intercommunication, the upper and lower both ends of fixed axle respectively with upper bracket and lower carriage fixed connection.

Further, a pump body and a valve are sequentially arranged on the sewage discharge channel along the sewage discharge direction, the valve comprises a valve body, a pressure spring, a diaphragm and a blocking piece, a self-pressure balance port, a valve body inlet and a valve body outlet are arranged on the valve body, the diaphragm seals the self-pressure balance port, a self-pressure balance bin is formed between the diaphragm and the self-pressure balance port, the pressure spring is arranged in the self-pressure balance bin, a self-pressure balance cavity is formed between the self-pressure balance port and the valve body inlet, the blocking piece is arranged between the valve body inlet and the valve body outlet, a fluid channel is formed between the blocking piece and the diaphragm, the valve body inlet is connected with the pump body, the valve body outlet is communicated to the outside of the shell, the diaphragm has a first state and a second state along with the start and stop of the pump body, and the fluid channel is opened under the action of the pressurization of the pump body of the diaphragm in the first state; in the second state, the diaphragm presses against the blocking piece under the action of the pressure spring and closes the fluid channel.

Furthermore, a plurality of vertical holes are arranged in the elastic filter body along the axial direction.

Further, be provided with a plurality of cyclic annular trays along axial interval uniformly on the axis of rotation, the elasticity filters the body by cyclic annular tray carries out the lift support.

Furthermore, a plurality of V-shaped notches are arranged on the cylindrical surface of the elastic filter body.

Furthermore, a plurality of convex ribs are arranged on the cylindrical surface of the rotary extrusion rod along the length direction.

The utility model has the advantages that: the utility model discloses a filter that rotatory extrusion was washed, side at filter assembly sets up rotatory extrusion stem, and rotatory extrusion stem is hollow structure, the efflux export has been set up on the body of rod, through letting in high-pressure clean fluid to rotatory extrusion stem, the elasticity filter body on the filter assembly washes, utilize drive arrangement drive rotatory extrusion stem to rotate simultaneously, it rotates to drive filter assembly simultaneously, the realization is to filter assembly's all-round washing, in addition, because rotatory extrusion stem takes place to interfere with the elasticity filter body and produces the extrusion, efflux direct jet is on the elasticity filter body, can bring better clean effect.

Drawings

The invention will be further described with reference to the following figures and examples:

fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the overall structure of the present invention from another angle;

fig. 3 is a schematic structural view of the utility model after the housing is hidden;

fig. 4 is a schematic diagram of the explosion structure of the present invention;

fig. 5 is a schematic structural view of the valve of the present invention;

fig. 6 is a schematic structural view of the middle rotary extrusion rod of the present invention.

Description of reference numerals: the filter comprises a shell 100, a side wall 101, an upper cover plate 102, a bottom plate 103, an upper bracket 104, a lower bracket 105, a filter inlet 106, a filter outlet 107, a sewage channel 108, a rotating shaft 201, an elastic filter body 202, a fixed shaft 203, an upper bearing disc 204, a lower bearing disc 205, a flow hole 206, a hole 207, an annular tray 208, a V-shaped notch 209, a driving device 301, a rotating extrusion rod 302, a rotating flange 303, a jet flow pipeline 304, a valve 400, a valve body 401, a pressure spring 402, a diaphragm 403, a blocking piece 404, a self-pressure balancing port 405, a valve body inlet 406, a valve body outlet 407, a self-pressure balancing bin 408 and a pump body 500.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 6, the filter for spin-on squeeze washing in this embodiment includes a housing 100 and a filter assembly disposed in the housing 100, where the filter assembly includes a rotating shaft 201 and an elastic filter 202 disposed on the rotating shaft 201, and specifically, the elastic filter 202 is in a hollow cylindrical shape and is sleeved on the rotating shaft 201, and the rotating shaft 201 can freely rotate relative to the housing 100; the jet flow washing assembly is further arranged in the shell 100 and comprises a driving device 301 arranged on the shell 100 and a rotary extrusion rod 302 driven by the driving device 301 to rotate, the rotary extrusion rod 302 is rotatably connected with the shell 100, the rotary extrusion rod 302 is arranged on the side edge of the filtering assembly in parallel, in order to improve the cleaning effect, the rotary extrusion rod 302 and the elastic filtering body 202 generate interference to extrude the elastic filtering body 202, the rotary extrusion rod 302 can be sunk into the elastic filtering body 202 during installation, specifically, sponge can be selected for filtering, and when the driving device 301 drives the rotary extrusion rod 302 to rotate, the rotary extrusion rod 302 can drive the filtering assembly to rotate through friction.

In this embodiment, there are two filter assemblies, and the rotary extrusion rod 302 is disposed between the two filter assemblies and extrudes the two filter assemblies at the same time, so that both the two filter assemblies can be driven by the rotary extrusion rod 302 to rotate, but only one filter assembly may be provided; a jet flow channel is arranged in the rotary extrusion rod 302, a jet flow outlet communicated with the jet flow channel is arranged on the rod body of the rotary extrusion rod 302, the rotary extrusion stem 302 is provided with a high pressure fluid inlet at an end remote from the driving means 301, and a trapway 108 is also provided in the housing 100, during the cleaning process of the filter assembly, high-pressure fluid, which can be high-pressure liquid or high-pressure gas, selected according to the filter media of the filter, high pressure fluid is directed from the jet outlet on the rotating squeeze bar 302 onto the elastomeric filter body 202 on the filter assembly, the elastomeric filter 202 may be cleaned of contaminants, such that the contaminants are removed from the surface of the elastomeric filter 202, and as fluid flows out of the trapway 108 in the housing 100, the trapway 108 is only activated when the filter assembly is flushed, therefore, the pump body 500 and the valve 400 can be sequentially arranged on the sewage draining channel 108 along the sewage draining direction; in addition, since the rotating extrusion rod 302 can drive the filter assemblies on both sides to rotate during the rotation process, the rotating extrusion rod 302 can clean the entire cylindrical elastic filter 202 in 360 degrees in all aspects.

In this embodiment, the rotating shaft 201 is a cylindrical structure, the center of the rotating shaft is hollow, a fixed shaft 203 is arranged at the central axial position of the rotating shaft 201, the rotating shaft 201 and the fixed shaft 203 are both provided with flow holes 206, the fixed shaft 203 is a tubular structure, the housing 100 is provided with a filtering inlet 106 and a filtering outlet 107, the end of the fixed shaft 203 is communicated with the filtering outlet 107, a medium to be filtered, such as gas containing smoke dust or liquid containing impurities, can enter the housing 100 from the filtering inlet 106, and after being filtered by the elastic filtering body 202, the medium flows out from one end of the fixed shaft 203, namely the filtering outlet 107 through the rotating shaft 201 and the flow holes 206 on the fixed shaft 203, an upper bearing disc 204 and a lower bearing disc 205 are rotatably arranged on the fixed shaft 203, two ends of the rotating shaft 201 are respectively fixed on the upper bearing disc 204 and the lower bearing disc 205, therefore, the rotating shaft 201 can be ensured to rotate flexibly relative to the fixed shaft 203, and it is worth mentioning that the flow hole 206 on the fixed shaft 203 is arranged on the part of the fixed shaft 203 which is positioned in the rotating shaft 201, that is, the filtered medium must pass through the flow hole on the rotating shaft 201 and then pass through the flow hole on the fixed shaft 203.

In this embodiment, the casing 100 includes a side wall 101, an upper cover plate 102 and a bottom plate 103, the side wall 101, the upper cover plate 102 and the bottom plate 103 together enclose a filter cavity, the upper cover plate 102 and the bottom plate 103 are respectively provided with an upper bracket 104 and a lower bracket 105, the upper end of the rotary extrusion rod 302 is rotatably connected to the upper bracket 104, and the upper end of the rotary extrusion rod 302 continuously penetrates through the upper bracket 104 and the upper cover plate 102 and then is connected to the output end of the driving device 301, the driving device 301 may adopt a combination of a common motor and a reducer, the lower end of the rotary extrusion rod 302 is rotatably connected to the lower bracket 105, and the lower end of the rotary extrusion rod 302 is communicated with an external jet pipe 304 through a rotary flange 303. The upper and lower ends of the fixed shaft 203 are respectively fixedly connected with the upper bracket 104 and the lower bracket 105, and the rotary extrusion rod 302 and the fixed shaft 203 are kept stable by the upper bracket 104 and the lower bracket 105.

Since the interior of the filter is usually in a high pressure state, the valve 400 on the trapway 108 is easily damaged if a conventional solenoid valve or other types of valves 400 are used, and the valve 400 used in this embodiment has a pressure balancing function, specifically, the valve 400 includes a valve body 401, a compression spring 402, a diaphragm 403, and a blocking member 404, the valve body 401 is provided with a self-pressure balancing port 405, a valve body inlet 406, and a valve body outlet 407, the valve body inlet 406 is connected with the pump body 500, the valve body outlet 407 is connected to the outside of the housing 100, the diaphragm 403 closes the self-pressure balancing port 405, and a self-pressure balancing chamber 408 is formed between the diaphragm 403 and the self-pressure balancing port 405, the compression spring 402 is disposed in the self-pressure balancing chamber 408, a free end of the spring is connected to the diaphragm 403, and a self-pressure balancing chamber is formed between the self-pressure balancing port 405 and the valve body inlet 406, because both communicate with the interior of the filter, therefore, in the state that the pump body 500 is not started, the membrane 403 is mainly subjected to the elastic force of the compression spring 402 and high pressures on two sides, the high pressures on the two sides are balanced with each other, so that the membrane 403 is deformed under the action of the compression spring 402, the barrier piece 404 is arranged between the valve body inlet 406 and the valve body outlet 407, a fluid channel is formed between the barrier piece 404 and the membrane 403, and when the pump body 500 is not started, the membrane 403 presses against the barrier piece 404 and closes the fluid channel; when the pump body 500 is started, the fluid from the valve body inlet 406 is pressurized to push the diaphragm 403 open, so that the fluid passage connecting the valve body inlet 406 and the valve body outlet 407 is opened, and the sewage can be discharged.

In this embodiment, a plurality of vertical holes 207 are axially formed in the elastic filter 202, so that garbage can fall from the holes 207.

In this embodiment, the plurality of annular trays 208 are uniformly arranged on the rotating shaft 201 at intervals in the axial direction, the elastic filter 202 includes a plurality of annular filter units, and the filter units are supported by the annular trays 208 to prevent the elastic filter 202 from deforming in the axial direction and affecting the filtering effect.

In order to increase the friction between the rotary extrusion rod 302 and the elastic filter 202, in this embodiment, a plurality of V-shaped notches 209 are formed on the cylindrical surface of the elastic filter 202.

The cylindrical surface of the rotary extrusion rod 302 is provided with a plurality of convex ribs along the length direction, so that the friction force can be further increased, and the sliding is prevented.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A spin-on flush filter comprising a housing (100) and a filter assembly disposed in the housing (100), the filter assembly comprising:

a rotating shaft (201) that is rotatable relative to the housing (100);

the elastic filter body (202) is in a hollow cylindrical shape, and is sleeved on the rotating shaft (201);

still be provided with the efflux in casing (100) and wash the subassembly, the efflux washes the subassembly and includes:

a drive device (301) provided on the housing (100);

the rotary extrusion rod (302) is driven to rotate by the driving device (301), a jet flow channel is arranged in the rotary extrusion rod (302), a jet flow outlet communicated with the jet flow channel is arranged on a rod body of the rotary extrusion rod (302), and a high-pressure fluid inlet is arranged at one end, far away from the driving device (301), of the rotary extrusion rod (302);

a trapway (108) that communicates the outside with the inside of the housing (100);

wherein the rotary extrusion rod (302) is arranged at the side of the filter assembly in parallel and interferes with the elastic filter body (202) to extrude the elastic filter body (202).

2. The filter of claim 1, wherein: the number of the filter assemblies is two, and the rotary extrusion rod (302) is arranged between the two filter assemblies and extrudes the two filter assemblies simultaneously.

3. The filter of claim 1, wherein: the rotating shaft (201) is of a cylindrical structure, a fixing shaft (203) is arranged at the central axial position of the rotating shaft (201), the fixing shaft (203) is of a tubular structure, a filtering inlet (106) and a filtering outlet (107) are arranged on the shell (100), the end part of the fixing shaft (203) is communicated with the filtering outlet (107), an upper bearing disc (204) and a lower bearing disc (205) are arranged on the fixing shaft (203) in a rotating mode, two ends of the rotating shaft (201) are fixed on the upper bearing disc (204) and the lower bearing disc (205) respectively, and circulation holes (206) are formed in the rotating shaft (201) and the fixing shaft (203).

4. A filter as claimed in claim 3, wherein: the shell (100) comprises a side wall (101), an upper cover plate (102) and a bottom plate (103), a filter cavity is defined by the side wall (101), the upper cover plate (102) and the bottom plate (103) together, an upper support (104) and a lower support (105) are arranged on the upper cover plate (102) and the bottom plate (103) respectively, the upper end of a rotary extrusion rod (302) is rotatably connected with the upper support (104), the lower end of the rotary extrusion rod (302) is rotatably connected with the lower support (105), the lower end of the rotary extrusion rod (302) is communicated with an external jet flow pipeline (304) through a rotary flange (303), and the upper end and the lower end of a fixed shaft (203) are fixedly connected with the upper support (104) and the lower support (105) respectively.

5. The filter of claim 1, wherein: the sewage draining device is characterized in that a pump body (500) and a valve (400) are sequentially arranged on the sewage draining channel (108) along a sewage draining direction, the valve (400) comprises a valve body (401), a pressure spring (402), a membrane (403) and a blocking piece (404), a self-pressure balance port (405), a valve body inlet (406) and a valve body outlet (407) are arranged on the valve body (401), the membrane (403) seals the self-pressure balance port (405), a self-pressure balance chamber (408) is formed between the membrane (403) and the self-pressure balance port (405), the pressure spring (402) is arranged in the self-pressure balance chamber (408), a self-pressure balance cavity is formed between the self-pressure balance port (405) and the valve body inlet (406), the blocking piece (404) is arranged between the valve body inlet (406) and the valve body outlet (407), a fluid channel is formed between the blocking piece (404) and the membrane (403), and the valve body inlet (406) is connected with the pump body (500), the valve body outlet (407) is communicated to the outside of the shell (100), the diaphragm (403) has a first state and a second state along with the start and stop of the pump body (500), and in the first state, the diaphragm (403) opens a fluid channel under the pressurization effect of the pump body (500); in a second state, the diaphragm (403) is pressed against the blocking element (404) under the action of the compression spring (402) and closes the fluid passage.

6. The filter of claim 1, wherein: a plurality of vertical holes (207) are axially arranged in the elastic filter body (202).

7. The filter of claim 1, wherein: a plurality of annular trays (208) are uniformly arranged on the rotating shaft (201) at intervals along the axial direction, and the elastic filtering body (202) is supported by the annular trays (208) in a lifting manner.

8. The filter of claim 1, wherein: the cylindrical surface of the elastic filter body (202) is provided with a plurality of V-shaped notches (209).

9. The filter of claim 8, wherein: the cylindrical surface of the rotary extrusion rod (302) is provided with a plurality of convex ribs along the length direction.