CN209809676U

CN209809676U - Back flush filter

Info

Publication number: CN209809676U
Application number: CN201920138241.0U
Authority: CN
Inventors: 陆坚真; 陆文彬
Original assignee: Hangzhou Zhongming Industrial Co Ltd
Current assignee: Hangzhou Zhongming Industrial Co Ltd
Priority date: 2019-01-26
Filing date: 2019-01-26
Publication date: 2019-12-20
Anticipated expiration: 2029-01-26

Abstract

The utility model belongs to the technical field of the filter technique and specifically relates to a back flush filter is related to, the utility model discloses a casing and filter screen, fixed intercommunication has inlet tube, outlet pipe and blow off pipe on the outer wall of casing, and inlet tube and blow off pipe are fixed to be communicated in the filter screen, are equipped with puddler, driving piece, a plurality of clearance pole and synchronous subassembly in the casing, are equipped with the clearance subassembly on the clearance pole. When having attached to more filth on the filter screen and needing the clearance, open inlet tube and blow off pipe, close the outlet pipe, the driving piece will drive the relative casing of puddler and carry out the rotation, synchronous subassembly will drive the relative casing of all clearance poles and carry out the rotation opposite with puddler rotation direction, the clearance subassembly will clear up the filth on the filter screen, the filth will drop from the filter screen and discharge to the outside from the drain, has realized the clearance to the filter screen. The utility model discloses thereby be convenient for wash impurity on the filter screen and improved filtration efficiency.

Description

Back flush filter

Technical Field

The utility model belongs to the technical field of the filter technique and specifically relates to a back flush filter is related to.

Background

The filter is a device which directly intercepts impurities in water by using a filter screen, removes suspended matters and particles in the water body, reduces turbidity, purifies water, reduces the generation of system dirt, bacteria, algae, rust and the like, and purifies the water.

At present, a common screen filter is commonly used in a factory, and the common screen filter is widely applied to the fields of water source filtration, industrial circulating water systems and the like due to good filtering effect and small resistance.

However, after the filter screen is used for a long time, dirt is attached to the filter screen, so that partial blockage of the filter screen is caused, the water flow is reduced, the filtering efficiency is reduced, and the filter screen is fixed in the filter, so that the operation space is small, and the filter element is inconvenient to clean.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defects of the prior art, and provides a backwashing filter which is convenient for cleaning impurities on a filter screen and improves the filtering efficiency.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a back flush filter, includes the casing and fixes the filter screen in the casing, the filter screen is cylindrical setting, fixed intercommunication has inlet tube, outlet pipe and blow off pipe on the outer wall of casing, all be equipped with the valve on inlet tube, outlet pipe and the blow off pipe, inlet tube and blow off pipe are fixed to be communicated in the filter screen, be equipped with in the casing and rotate the driving piece that connects in shells inner wall, the relative casing of drive puddler carry out the rotation, a plurality of clearance poles that are circumference setting around the axis of puddler and drive a plurality of synchronous subassemblies that the relative casing of clearance pole carries out the rotation, the rotation opposite direction of puddler and clearance pole, the clearance pole rotates to be connected in the inner wall of casing, be equipped with the clearance subassembly that is used for clearing up the attached filth on the filter screen on the clearance pole.

Through adopting above-mentioned technical scheme, when having attached to more filth on the filter screen and needing the clearance, open inlet tube and blow off pipe, close the outlet pipe, the water will enter into the filter screen through the inlet tube in, the driving piece will drive the relative casing of puddler and carry out the rotation, synchronous subassembly will drive the relative casing of all clearance poles and carry out the rotation opposite with puddler direction of rotation, make the produced vortex transform of puddler to the mixed flow, the water will be stirred more fully, the clearance subassembly will clear up the filth on the filter screen, the filth will drop from the filter screen and discharge to the outside from the drain, the clearance to the filter screen has been realized, the condition that has reduced the filter screen and is blockked up takes place, filtration efficiency is improved.

The utility model discloses further set up to: the driving piece is including fixing the driving motor on the casing outer wall, driving motor's output shaft fixed connection is in the one end of puddler, set up the groove that runs through that supplies driving motor's output shaft to wear to establish on the outer wall of casing, it inlays the sealing washer of establishing to be fixed with the output shaft that supplies driving motor on the cell wall that runs through the groove.

Through adopting above-mentioned technical scheme, driving motor can drive the relative casing of puddler and carry out the rotation for the water flows, has improved the cleaning performance to the filter screen, and the sealing washer makes the difficult follow of water in the casing spill over to the outside in running through the inslot, has improved the utilization ratio of water resource and has made driving motor be difficult for contacting with the water.

The utility model discloses further set up to: synchronous subassembly includes that fixed cover establishes the rolling disc outside the puddler, fixed cover establishes the driven gear outside the puddler and fixed cover establishes the driven gear outside the clearance pole, drive gear fixes on the rolling disc and is the coaxial line setting with the puddler, all driven gear meshes same drive gear, driven gear rotates to be connected in the rolling disc.

Through adopting above-mentioned technical scheme, when driving motor rotated, drive gear will drive rolling disc, puddler and clearance pole and rotate, and driven gear will drive the clearance pole simultaneously and rotate, and the rotation opposite direction of puddler and clearance pole for the produced vortex transform of puddler is the mixed flow, makes the water stirred by more fully, has improved the cleaning performance to the filter screen.

The utility model discloses further set up to: the cleaning rod is externally sleeved with a sleeve in a rotating manner, and a connecting rod is fixed between every two adjacent sleeves.

Through adopting above-mentioned technical scheme, connecting rod and sleeve have realized being connected between the adjacent clearance pole for the clearance pole is difficult for taking place to buckle, has improved the life of clearance pole.

The utility model discloses further set up to: the cleaning assembly comprises a plurality of elastic telescopic rods arranged along the axial direction of the cleaning rod and a brush connected with the elastic telescopic rods.

Through adopting above-mentioned technical scheme, at the rotation in-process of clearance pole, the elastic expansion pole supports the drive brush tightly in the inner wall of filter screen, has improved the clearance effect of brush.

The utility model discloses further set up to: elastic telescopic rod supports the drive spring tightly in the filter screen inner wall including fixing the solid fixed cylinder on the clearance pole lateral wall, slip inlay the slide bar of locating in the solid fixed cylinder and drive brush, slide bar fixed connection is in the brush, drive spring fixes in solid fixed cylinder and fixed connection in the one end of slide bar.

Through adopting above-mentioned technical scheme, at the rotation in-process of clearance pole, drive spring will drive slide bar along the endwise slip of fixed section of thick bamboo and make the brush support tightly in the inner wall of filter screen, has improved the clearance effect of brush.

The utility model discloses further set up to: the fixed cylinder is internally and fixedly embedded with a sealing ring for the sliding rod to be embedded, and the inner wall of the sealing ring is abutted against the side wall of the sliding rod.

Through adopting above-mentioned technical scheme, the sealing ring makes the water in the filter screen difficult for entering into fixed cylinder for thereby drive spring is difficult for having improved drive spring's life with the water contact.

The utility model discloses further set up to: and a plurality of stirring blades which are arranged along the axial direction of the cleaning rod are fixed on the side wall of the cleaning rod.

Through adopting above-mentioned technical scheme, when the clearance pole rotated, the stirring leaf will carry out more fully stirring to the water, has improved the clearance effect to the filter screen.

To sum up, the utility model discloses following beneficial effect has:

1. due to the arrangement of the stirring rod and the cleaning rod, the filter screen is cleaned, the situation that the filter screen is blocked is reduced, and the filtering efficiency is improved;

2. due to the arrangement of the cleaning assembly, the cleaning effect on the filter screen is improved;

3. the setting of stirring leaf for the water is stirred more fully, has improved the clearance effect to the filter screen.

Drawings

Fig. 1 is a sectional view for showing an internal structure of a housing in an embodiment of the present invention;

fig. 2 is a cross-sectional view of an embodiment of the present invention illustrating a cleaning assembly.

In the figure: 1. a housing; 11. filtering with a screen; 12. a water inlet pipe; 13. a water outlet pipe; 14. a blow-off pipe; 15. a valve; 2. a stirring rod; 3. a drive motor; 31. a seal ring; 4. cleaning the rod; 41. stirring blades; 42. a sleeve; 43. a connecting rod; 5. a synchronization component; 51. rotating the disc; 52. a drive gear; 53. a driven gear; 6. cleaning the assembly; 61. a brush; 62. a fixed cylinder; 63. a slide bar; 64. a drive spring; 65. and (4) a sealing ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, the backwashing filter comprises a shell 1 and a filter screen 11 fixed in the shell 1, wherein the filter screen 11 is arranged in a cylindrical shape, the outer wall of the shell 1 is fixedly communicated with a water inlet pipe 12, a water outlet pipe 13 and a sewage discharge pipe 14, valves 15 are arranged on the water inlet pipe 12, the water outlet pipe 13 and the sewage discharge pipe 14, and the water inlet pipe 12 and the sewage discharge pipe 14 are fixedly communicated with the filter screen 11.

Be equipped with in casing 1 and rotate connecting in puddler 2, the driving piece of casing 1 inner wall, a plurality of clearance pole 4 and the synchronous subassembly 5 that are circumference setting around the axis of puddler 2, puddler 2 and clearance pole 4's rotation opposite direction, clearance pole 4 rotates to be connected in casing 1's inner wall, is equipped with clearance subassembly 6 on the clearance pole 4.

When having attached to more filth on filter screen 11 and needing the clearance, open inlet tube 12 and blow off pipe 14, close outlet pipe 13, the driving piece will drive the relative casing 1 of puddler 2 and carry out the rotation, synchronous subassembly 5 will drive all relative casings 1 of clearance pole 4 and carry out the rotation opposite with puddler 2 direction of rotation, make the produced vortex conversion of puddler 2 to be the mixed flow, the water will be stirred more fully, clearance subassembly 6 will clear up the filth on filter screen 11, the filth will drop from filter screen 11 and discharge the outside from the drain, the clearance to filter screen 11 has been realized.

The driving piece is including fixing driving motor 3 on the outer wall of casing 1, and driving motor 3's output shaft fixed connection is in the one end of puddler 2, sets up the groove that runs through that supplies driving motor 3's output shaft to wear to establish on the outer wall of casing 1, runs through and is fixed with the output shaft rotation that supplies driving motor 3 on the cell wall in groove and inlays the sealing washer 31 of establishing.

Synchronous component 5 establishes the rolling disc 51 outside puddler 2 including fixed cover, fixed cover establishes drive gear 52 outside puddler 2 and fixed cover establishes driven gear 53 outside clearance pole 4, drive gear 52 fixes on rolling disc 51 and is the coaxial line setting with puddler 2, all driven gear 53 mesh in same drive gear 52, driven gear 53 rotates to be connected in rolling disc 51, offer on the inner wall of casing 1 and supply clearance pole 4 to rotate the ring channel of establishing of inlaying.

The outer rotating sleeve of clearance pole 4 is equipped with sleeve 42, is fixed with connecting rod 43 between the adjacent sleeve 42, and connecting rod 43 and sleeve 42 have realized being connected between the adjacent clearance pole 4 for difficult emergence of clearance pole 4 is buckled, has improved clearance pole 4's life.

Be fixed with a plurality of stirring leaf 41 along the axial setting of clearance pole 4 on the lateral wall of clearance pole 4, stirring leaf 41 will stir the water more fully, has improved the clearance effect to filter screen 11.

As shown in fig. 2, the cleaning assembly 6 includes a plurality of elastic telescopic rods arranged along the axial direction of the cleaning rod 4 and a brush 61 connected to the elastic telescopic rods, the elastic telescopic rods include a fixed cylinder 62 fixed on the side wall of the cleaning rod 4, a sliding rod 63 and a driving spring 64 embedded in the fixed cylinder 62 in a sliding manner, the sliding rod 63 is fixedly connected to the brush 61, the driving spring 64 is fixed at one end of the sliding rod 63 in the fixed cylinder 62, a sealing ring 65 for the sliding rod 63 to be embedded in a sliding manner is embedded in the fixed cylinder 62, and the inner wall of the sealing ring 65 is abutted against the side wall of the sliding rod 63.

When the driving spring 64 is in a normal state, the brush 61 is pressed against the inner wall of the filter screen 11, and the cleaning effect of the brush 61 is improved.

The implementation principle of the embodiment is as follows: when more filth need be cleared up attached to on filter screen 11, open inlet tube 12 and blow off pipe 14, close outlet pipe 13, the water will enter into filter screen 11 through inlet tube 12 in, driving motor 3 will drive puddler 2 and the relative casing 1 of rolling disc 51 and carry out the rotation, driven gear 53 will drive clearance pole 4 and stirring leaf 41 and carry out the rotation that turns to opposite with puddler 2, make the produced vortex transform of puddler 2 be the mixed flow, the water will be stirred more fully, drive spring 64 will drive brush 61 and support the inner wall tightly in filter screen 11 simultaneously, brush 61 will follow clearance pole 4 and carry out synchronous rotation and clear up the filth attached to on filter screen 11, the filth will drop and discharge to the outside from the drain from filter screen 11, the condition that filter screen 11 was blockked up has been reduced takes place, the filtration efficiency has been improved.

The embodiments of the present invention are the preferred embodiments of the present invention, and the protection scope of the present invention is not limited by this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a back flush filter, includes casing (1) and fixes filter screen (11) in casing (1), its characterized in that: the filter screen (11) is in a cylindrical arrangement, the outer wall of the shell (1) is fixedly communicated with a water inlet pipe (12), a water outlet pipe (13) and a sewage discharge pipe (14), valves (15) are arranged on the water inlet pipe (12), the water outlet pipe (13) and the sewage discharge pipe (14), the water inlet pipe (12) and the sewage discharge pipe (14) are fixedly communicated with the filter screen (11), a stirring rod (2) rotatably connected to the inner wall of the shell (1) and a driving piece for driving the stirring rod (2) to rotate relative to the shell (1) are arranged in the shell (1), a plurality of cleaning rods (4) circumferentially arranged around the axis of the stirring rod (2) and a synchronization assembly (5) for driving the cleaning rods (4) to rotate relative to the shell (1) are arranged in the shell (1), the rotating directions of the stirring rod (2) and the cleaning rods (4) are opposite, the cleaning rods (4) are rotatably connected to the inner wall of the, the cleaning rod (4) is provided with a cleaning component (6) for cleaning attached dirt on the filter screen (11).

2. The backflush filter of claim 1, wherein: the driving piece is including fixing driving motor (3) on casing (1) outer wall, the output shaft fixed connection of driving motor (3) is in the one end of puddler (2), set up the groove that runs through that supplies the output shaft of driving motor (3) to wear to establish on the outer wall of casing (1), it inlays sealing washer (31) of establishing to be fixed with the output shaft that supplies driving motor (3) on the cell wall in groove to run through.

3. The backflush filter of claim 2, wherein: synchronous subassembly (5) establish at the outer rolling disc (51) of puddler (2), fixed cover including fixed cover establish at outer drive gear (52) of puddler (2) and fixed cover establish at driven gear (53) outside clearance pole (4), drive gear (52) are fixed on rolling disc (51) and are the coaxial line setting with puddler (2), all driven gear (53) mesh in same drive gear (52), driven gear (53) rotate to be connected in rolling disc (51).

4. The backflush filter of claim 1, wherein: the cleaning rod (4) is externally sleeved with a sleeve (42) in a rotating manner, and a connecting rod (43) is fixed between the adjacent sleeves (42).

5. The backflush filter of claim 1, wherein: the cleaning assembly (6) comprises a plurality of elastic telescopic rods arranged along the axial direction of the cleaning rod (4) and a brush (61) connected with the elastic telescopic rods.

6. The backflush filter of claim 5, wherein: elasticity telescopic link supports drive spring (64) tightly in filter screen (11) inner wall including fixing fixed cylinder (62), the slip of fixing on clearance pole (4) lateral wall, embedding slide bar (63) and drive brush (61) in fixed cylinder (62), slide bar (63) fixed connection in brush (61), drive spring (64) are fixed in fixed cylinder (62) and fixed connection in the one end of slide bar (63).

7. The backflush filter of claim 6, wherein: the fixed cylinder (62) internal fixation inlays and is equipped with and supplies slide bar (63) slip to inlay sealing ring (65) of establishing, the inner wall of sealing ring (65) supports tightly in the lateral wall of slide bar (63).

8. The backflush filter of claim 1, wherein: a plurality of stirring blades (41) which are arranged along the axial direction of the cleaning rod (4) are fixed on the side wall of the cleaning rod (4).