CN217041556U - Rotary backwashing liquid suction filter - Google Patents

Abstract

The utility model discloses a rotation type back flush imbibition filter relates to filter technical field, specifically is a rotation type back flush imbibition filter, which comprises an outer shell, the inside of holder is provided with the filter screen, the outside fixedly connected with puddler of axle sleeve, the surface transmission of axis of rotation is connected with the turbine, the interior diapire threaded connection of inferior valve has the blow off pipe. This rotation type back flush imbibition filter, through the turbine, the setting of rabbling arm and brush, make the brush clean the inner wall of filter screen, clear away the impurity on the filter screen, make and not need extra external power can accomplish the back flush process, reached the purpose that easy operation facilitates the use, be the setting of joint and integral key shaft through epitheca and inferior valve, can quick replacement filter screen, also can in time change when the part of inside damages and dismantle, reached simple structure, conveniently change the purpose of maintenance.

Description

Rotary backwashing liquid suction filter

Technical Field

The utility model relates to the technical field of filters, specifically a rotation type back flush imbibition filter.

Background

The automatic backwashing filter is a filter for backwashing a filter element in the filter by using backwashing liquid, and the flow direction of the backwashing liquid is opposite to the flow direction during filtering, so the automatic backwashing filter is called as a backwashing filter. The backflushing liquid can be clear liquid after filtration or can be additional cleaning liquid. The back flushing power of the automatic back flushing filter is generally that the back flushing liquid is reversely flushed into the filter element to be cleaned through the reverse pressure difference applied to two sides of the filter element, and the filter element is flushed through the high-speed flow of the back flushing liquid to flush the impurity particles from the filter element

The existing backwashing liquid suction filter has the following problems when in use: firstly, can not clear away the impurity on the filter screen automatically when going out water, need use external power, the operation is comparatively loaded down with trivial details to it is comparatively difficult when changing the filter screen, secondly, because need external power to cause the structure comparatively complicated, lead to manufacturing cost higher, maintain the difficulty when damaging.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the deficiency of the prior art, the utility model provides a rotation type back flush imbibition filter has solved the problem of proposing among the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a rotary backwash liquid suction filter comprises a shell, wherein the shell is composed of an upper shell and a lower shell, clamping seats are fixedly connected to the inner top wall of the upper shell and the inner bottom wall of the lower shell, a filter screen is arranged inside each clamping seat, a lower shaft seat is fixedly connected to the circle center of the inner bottom wall of the lower shell, a rotating shaft is rotatably connected to the center of the lower shaft seat, shaft sleeves are fixedly connected to the outer surfaces of the rotating shafts, stirring arms are fixedly connected to the outer sides of the shaft sleeves, an inner sleeve is fixedly connected to the center of the inner top wall of the upper shell and located inside the filter screen, an upper shaft seat is fixedly connected to the inner wall of the inner sleeve, the top of each rotating shaft is rotatably connected with the upper shaft seat, turbines are arranged in two groups, a water inlet pipe is arranged at the top of the upper shell, a water outlet pipe is connected to the inner bottom wall of the lower shell in a threaded manner, the inner bottom wall of the lower shell is in threaded connection with a drain pipe, and the end of the drain pipe is in threaded connection with a sealing cover.

Optionally, the bottom of epitheca and the top joint of inferior valve, and the junction is interference fit, the quantity of holder is provided with a plurality ofly, and is circumference array distribution, the inside at the holder of the equal joint in top and bottom of filter screen.

Optionally, the height that highly is less than the filter screen of inner skleeve, the quantity of rabbling arm is provided with three groups, the top setting of rabbling arm is between inner skleeve and filter screen, fixedly connected with brush on the surface of rabbling arm, the inner wall butt of brush and filter screen.

Optionally, the inner sleeve penetrates through the top of the upper shell and is in threaded connection with the water inlet pipe, the diameter of the inner wall of the bottom of the inner sleeve is smaller than that of the inner wall of the top of the inner sleeve, and the turbine is arranged at the position where the inner diameter of the inner sleeve is the minimum.

Optionally, a spline shaft is arranged at the top of the rotating shaft, a spline shaft seat is arranged at the bottom of the upper shaft seat, and the spline shaft is in transmission connection with the spline shaft seat.

Optionally, the sewage draining pipe is arranged on the inner side of the filter screen, the water outlet pipe is arranged on the outer side of the filter screen, and the inner diameter of the filter screen is half of that of the shell.

(III) advantageous effects

The utility model provides a rotation type back flush imbibition filter possesses following beneficial effect:

1. this rotation type back flush imbibition filter, through the turbine, the setting of rabbling arm and brush, the water impact turbine that gets into through the inlet tube when using, it rotates to drive the turbine, the turbine drives the axis of rotation when rotating and rotates, it rotates to drive the rabbling arm when the axis of rotation rotates, make the brush clean the inner wall of filter screen, impurity to on the filter screen is clear away, make impurity stay inside the filter screen, prevent impurity discharge filter screen, make and not need extra external power can accomplish the back flush process, the mesh that easy operation facilitates the use has been reached.

2. This rotation type back flush imbibition filter is the setting of joint and integral key shaft through epitheca and inferior valve for epitheca and inferior valve can be dismantled fast, and the filter screen can be changed in time with the setting of holder to the filter screen, also can change when the part of inside damages and dismantle, have reached simple structure, conveniently change the purpose of maintenance.

Drawings

Fig. 1 is a sectional view of the present invention;

FIG. 2 is a cross-sectional view of the A-A section of the present invention;

FIG. 3 is an enlarged view of the portion B of FIG. 1 according to the present invention;

fig. 4 is a three-dimensional sectional view of the part a-a of the present invention.

In the figure: 1. a housing; 101. an upper shell; 102. a lower case; 2. filtering with a screen; 3. a holder; 4. an upper shaft seat; 5. a rotating shaft; 6. a shaft sleeve; 7. a stirring arm; 8. a brush; 9. a turbine; 10. an inner sleeve; 11. a lower shaft seat; 12. a spline shaft; 13. a sewage discharge pipe; 14. a sealing cover; 15. a water inlet pipe; 16. and (5) discharging a water pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: a rotary backwash liquid suction filter comprises a shell 1, wherein the shell 1 is composed of an upper shell 101 and a lower shell 102, clamping seats 3 are fixedly connected to the inner top wall of the upper shell 101 and the inner bottom wall of the lower shell 102, a filter screen 2 is arranged inside each clamping seat 3, the bottom of the upper shell 101 is clamped with the top of the lower shell 102, the joints are in interference fit, the clamping seats 3 are distributed in a circumferential array mode, the top and the bottom of each filter screen 2 are clamped inside each clamping seat 3, a lower shaft seat 11 is fixedly connected to the circle center of the inner bottom wall of the lower shell 102, a rotating shaft 5 is rotatably connected to the center of the lower shaft seat 11, a shaft sleeve 6 is fixedly connected to the outer surface of the rotating shaft 5, a stirring arm 7 is fixedly connected to the outer side of the shaft sleeve 6, an inner sleeve 10 is fixedly connected to the center of the inner top wall of the upper shell 101, and the inner sleeve 10 is located inside the filter screen 2, the height of the inner sleeve 10 is less than that of the filter screen 2, three groups of stirring arms 7 are arranged, the top of each stirring arm 7 is arranged between the inner sleeve 10 and the filter screen 2, brushes 8 are fixedly connected to the outer surface of each stirring arm 7, the brushes 8 are abutted to the inner wall of the filter screen 2, the inner wall of each inner sleeve 10 is fixedly connected with an upper shaft seat 4, the top of each rotating shaft 5 is rotatably connected with the upper shaft seats 4, turbines 9 are connected to the outer surface of each rotating shaft 5 in a transmission manner, two groups of turbines 9 are arranged, the inner sleeve 10 penetrates through the top of the upper shell 101 and is in threaded connection with a water inlet pipe 15, the diameter of the inner wall at the bottom of the inner sleeve 10 is less than that of the inner wall at the top of the inner sleeve 10, the turbine 9 is arranged at the minimum inner diameter of the inner sleeve 10, a spline shaft 12 is arranged at the top of the rotating shaft 5, a spline shaft seat is arranged at the bottom of the upper shaft seat 4, the spline shaft 12 is in transmission connection with the spline shaft seat, the top of the upper shell 101 is provided with the water inlet pipe 15, the interior diapire threaded connection of inferior valve 102 has outlet pipe 16, and the interior diapire threaded connection of inferior valve 102 has blow off pipe 13, and blow off pipe 13 sets up the inboard at filter screen 2, and outlet pipe 16 sets up the outside at filter screen 2, and the internal diameter of filter screen 2 is half of shell 1 internal diameter, and the end threaded connection of blow off pipe 13 has sealed lid 14.

When the water pipe is used, firstly, the water inlet pipe 15 is fixed at the water outlet of the water pipe, then when the water pipe is opened, water flow enters the inner part of the inner sleeve 10 through the water inlet pipe 15 and then impacts the turbine 9 to drive the turbine 9 to rotate, the water flow enters the inner layer of the filter screen 2 through the turbine 9, the rotating shaft 5 is driven to rotate when the turbine 9 rotates, the rotating shaft 5 drives the shaft sleeve 6 to rotate, the shaft sleeve 6 drives the stirring arm 7 on the outer side to rotate, the brush 8 on the outer side of the stirring arm 7 cleans impurities on the inner wall of the filter screen 2 when the stirring arm rotates, the filter screen 2 is prevented from being blocked, after the water flow is filtered by the filter screen 2, the water flow enters the outer side of the filter screen 2 and is discharged from the water outlet pipe 16, when the impurities in the filter screen 2 need to be cleaned, the water pipe is opened and the sealing cover 14 is opened, the impurities in the filter screen 2 are discharged through the drain pipe 13, the discharge of the impurities is completed, when the filter screen 2 needs to be replaced, the upper shell 101 and the lower shell 102 are opened, the spline shaft 12 is separated from the upper shaft base 4, the filter screen 2 is separated from the clamping base 3, then a new filter screen 2 is installed, and the upper shell 101 is clamped with the lower shell 102 again.

The utility model discloses a theory of operation and beneficial effect: the rotary backwash liquid suction filter comprises a turbine 9, a stirring arm 7 and a brush 8, wherein when in use, water entering through a water inlet pipe 15 impacts the turbine 9 to drive the turbine 9 to rotate, the turbine 9 drives a rotating shaft 5 to rotate when rotating, the rotating shaft 5 drives the stirring arm 7 to rotate when rotating, so that the brush 8 cleans the inner wall of a filter screen 2, impurities on the filter screen 2 are removed, the filter screen 2 is prevented from being discharged, a backwash process can be completed without extra external power, the purpose of simple operation and convenient use is achieved, the upper shell 101 and the lower shell 102 are clamped and provided with a spline shaft 12, the upper shell 101 and the lower shell 102 can be quickly disassembled, the filter screen 2 and a clamping seat 3 are arranged, the filter screen 2 can be quickly replaced, and the disassembly can be timely replaced when internal parts are damaged, and the rotary backwash liquid suction filter has a simple structure, the purpose of convenient change maintenance.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims (6)

1. A rotary backwash liquid suction filter comprises a housing (1) and is characterized in that: the outer shell (1) is composed of an upper shell (101) and a lower shell (102), the inner top wall of the upper shell (101) and the inner bottom wall of the lower shell (102) are fixedly connected with clamping seats (3), a filter screen (2) is arranged inside each clamping seat (3), a lower shaft seat (11) is fixedly connected with the circle center of the inner bottom wall of the lower shell (102), a rotating shaft (5) is rotatably connected with the center of the lower shaft seat (11), a shaft sleeve (6) is fixedly connected with the outer surface of the rotating shaft (5), a stirring arm (7) is fixedly connected with the outer side of the shaft sleeve (6), an inner sleeve (10) is fixedly connected with the center of the inner top wall of the upper shell (101), the inner sleeve (10) is located inside the filter screen (2), an upper shaft seat (4) is fixedly connected with the inner wall of the inner sleeve (10), and the top of the rotating shaft (5) is rotatably connected with the upper shaft seat (4), the outer surface transmission of axis of rotation (5) is connected with turbine (9), turbine (9) are provided with two sets ofly, the top of epitheca (101) is provided with inlet tube (15), the interior diapire threaded connection of inferior valve (102) has outlet pipe (16), the interior diapire threaded connection of inferior valve (102) has blow off pipe (13), the end threaded connection of blow off pipe (13) has sealed lid (14).

2. A rotary backwash wicking filter as in claim 1 wherein: the bottom of epitheca (101) and the top joint of inferior valve (102), and the junction is interference fit, the quantity of holder (3) is provided with a plurality ofly, and is circumference array distribution, the inside of the equal joint in top and bottom of filter screen (2) in holder (3).

3. A rotary backwash wicking filter as in claim 1 wherein: the height that highly is less than filter screen (2) of inner skleeve (10), the quantity of stirring arm (7) is provided with three groups, between sleeve (10) and filter screen (2) including the top setting of stirring arm (7), fixedly connected with brush (8) on the surface of stirring arm (7), the inner wall butt of brush (8) and filter screen (2).

4. A rotary backwash wicking filter as in claim 1 wherein: the inner sleeve (10) penetrates through the top of the upper shell (101) and is in threaded connection with the water inlet pipe (15), the diameter of the inner wall of the bottom of the inner sleeve (10) is smaller than that of the inner wall of the top of the inner sleeve (10), and the turbine (9) is arranged at the position where the inner diameter of the inner sleeve (10) is the smallest.

5. A rotary backwash wicking filter as in claim 1 wherein: a spline shaft (12) is arranged at the top of the rotating shaft (5), a spline shaft seat is arranged at the bottom of the upper shaft seat (4), and the spline shaft (12) is in transmission connection with the spline shaft seat.

6. A rotary backwash wicking filter as in claim 1 wherein: the sewage discharge pipe (13) is arranged on the inner side of the filter screen (2), the water outlet pipe (16) is arranged on the outer side of the filter screen (2), and the inner diameter of the filter screen (2) is half of the inner diameter of the shell (1).

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