Rotating arm type backwashing filter

Abstract

The rotating arm type backwashing filter provided by the embodiment of the utility model comprises a body, a plurality of filter elements are arranged on the inner side of the body at equal intervals, and a supporting assembly for supporting the body is mounted on the outer wall of the body; the utility model relates to the technical field of backwashing filters, and compared with a comparison file, the filter element is automatically cleaned by the cleaning mechanism, so that tiny pores of the filter element can be deepened, impurities, particulate matters and other dirt attached to the surface of the filter element are removed, the filtering performance of the filter element is recovered, and the service life of the filter element is prolonged. Therefore, the water purifier can better remove harmful substances and impurities in water and provide cleaner and safer drinking water, in addition, the cleaning brush is regularly used for cleaning, blockage and abrasion of the filter element can be reduced, the load of the filter element is reduced, and the service life of the water purifier is prolonged. Therefore, the frequency of replacing the filter element is reduced, and the maintenance cost is also reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of backwashing filters, in particular to a rotary arm type backwashing filter. Background Art

[0002] Traditional filters require interrupting the filtering operation to replace the filter element or remove it for cleaning, which is time-consuming and troublesome, affects the processing efficiency, and cannot meet the requirements of automated continuous operation;

[0003] According to Chinese patent CN 208287627 U, a rotary arm type backwash filter is disclosed, which relates to the field of filtering equipment. An inductive limit disc is installed on the reduction motor, and the lower end of the driving rod passes through the shaft root sealing gland and the disc to be connected to the dirt collecting rotary arm in the lower cavity. A shaft root sealing assembly is provided at the connection between the driving rod and the disc. The two ends of the dirt collecting rotary arm are respectively connected to the filter element, and the filter element is provided in the upper cavity. Tension rods are respectively provided on both sides of the driving rod in the upper cavity. The upper end of the tension rod is fixedly connected to the clamping plate, and the lower end of the tension rod is connected to the disc. The lower end of the dirt collecting rotary arm is connected to a sewage pipe, a control box is installed on one side of the upper cavity, and a support leg is installed below the lower cavity. It has the advantages of continuous filtration, automatic cleaning and sewage discharge, compact structure, stable and reliable operation, large processing capacity, low operating cost, long service life, etc. It can well solve the problems of wastewater treatment and reuse, and achieve good economic and social benefits.

[0004] Although this patent can achieve the effect of continuous filtration and automatic cleaning and sewage discharge of the filter element, since it is cleaned by water flow, during the cleaning process, if the operation is improper or the water flow pressure is too high, it may cause damage to the filter element, resulting in its filtration performance degradation or complete failure. In addition, some stubborn impurities or pollutants may not be completely removed through the backwashing process, and long-term accumulation may affect the filtration effect and service life of the filter.

[0005] Therefore, it is necessary to provide a new swing arm type backwash filter to solve the above technical problems. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides a rotary arm type backwashing filter.

[0007] The utility model provides a rotary arm backwash filter, comprising a body, a plurality of filter elements are equidistantly arranged on the inner side of the body, a support assembly for supporting the body is installed on the outer wall of the body, a cleaning mechanism for cleaning the filter element is installed on the inner side of the body, and the cleaning mechanism comprises:

[0008] A cleaning assembly is installed on the inner side of the body, comprising a rotating rod rotatably connected to the inner side of the body at equal intervals through a bearing, the lower end of the rotating rod extends to the bottom of the body through a sealed bearing, a cleaning brush is fixed on the outer wall of the rotating rod at equal intervals, and a driving assembly for driving the rotating rod to rotate is installed on the outer wall of the lower end of the rotating rod;

[0009] The water inlet assembly is installed on the top of the body and comprises a cover plate rotatably connected to the top of the body through an axle pin, and a water inlet pipe is fixed on the inner side of the cover plate.

[0010] Preferably, the support assembly includes a fixing plate fixed to the outer wall of the lower end of the main body, three supporting feet are fixed equidistantly to the bottom of the fixing plate, anti-slip pads are fixed to the bottom of the supporting feet, and support strips are fixed to the outer walls of the supporting feet.

[0011] Preferably, the driving assembly includes a connecting rod rotatably connected to the bottom of the main body through a bearing, a motor is fixed to the bottom of the connecting rod, the outer wall of the motor is fixed to the inner side of the support bar, a driving gear is fixed to the outer wall of the connecting rod, and a driven gear is fixed to the outer wall of the lower end of the rotating rod, and the driven gear is meshingly connected with the driving gear.

[0012] Preferably, a sewage outlet is provided on the outer wall of the main body, and a sewage outlet pipe is fixed inside the sewage outlet.

[0013] Preferably, a handle is fixed on the top of each filter element, and an anti-slip ring is fixed on the outer wall of the handle.

[0014] Preferably, the motor is a three-phase asynchronous motor.

[0015] Compared with the related art, the rotary arm backwash filter provided by the utility model has the following beneficial effects:

[0016] Since it is cleaned by water flow, during the cleaning process, if the operation is improper or the water flow pressure is too high, the filter element may be damaged, resulting in a decrease in its filtering performance or complete failure. In addition, some stubborn impurities or pollutants may not be completely removed by the backwashing process, and long-term accumulation may affect the filtering effect and service life of the filter. The automatic cleaning of the filter element by the cleaning mechanism can penetrate into the tiny pores of the filter element, remove impurities, particles and other dirt attached to the surface of the filter element, and restore the filtering performance of the filter element, so that the water purifier can better remove harmful substances and impurities in the water and provide cleaner and safer drinking water. In addition, regular use of a cleaning brush for cleaning can reduce the blockage and wear of the filter element, reduce the load of the filter element, and thus extend its service life. This not only reduces the frequency of replacing the filter element, but also reduces maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the filter element structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the cleaning brush structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the drive assembly of the utility model.

[0021] Numbers in the figure: 1. Main body; 2. Filter element; 3. Support assembly; 101. Fixed plate; 102. Support foot; 103. Anti-skid pad; 104. Support bar; 4. Cleaning mechanism; 5. Cleaning assembly; 201. Rotating rod; 202. Cleaning brush; 6. Water inlet assembly; 301. Cover plate; 302. Water inlet pipe; 7. Drive assembly; 401. Connecting rod; 402. Motor; 403. Driving gear; 404. Driven gear; 8. Drain port; 9. Drain pipe; 10. Handle; 11. Anti-skid ring. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0023] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0024] See also Figures 1 to 4 The utility model provides a rotary arm backwash filter, comprising a body 1, a plurality of filter elements 2 are arranged equidistantly on the inner side of the body 1, a support assembly 3 for supporting the body 1 is installed on the outer wall of the body 1, a cleaning mechanism 4 for cleaning the filter element 2 is installed on the inner side of the body 1, and the cleaning mechanism 4 comprises:

[0025] The cleaning assembly 5 is installed on the inner side of the body 1, and includes a rotating rod 201 rotatably connected to the inner side of the body 1 through a bearing at equal intervals, the lower end of the rotating rod 201 extends to the bottom of the body 1 through a sealed bearing, and a cleaning brush 202 is fixed to the outer wall of the rotating rod 201 at equal intervals, and a driving assembly 7 for driving the rotating rod 201 to rotate is installed on the outer wall of the lower end of the rotating rod 201;

[0026] The water inlet assembly 6 is installed on the top of the main body 1 , and includes a cover plate 301 rotatably connected to the top of the main body 1 via an axle pin, and a water inlet pipe 302 is fixed to the inner side of the cover plate 301 .

[0027] In this embodiment, the support assembly 3 includes a fixed plate 101 fixed to the outer wall of the lower end of the main body 1, three supporting feet 102 are equidistantly fixed to the bottom of the fixed plate 101, an anti-slip pad 103 is fixed to the bottom of the supporting feet 102, and a support bar 104 is fixed to the outer wall of the supporting feet 102.

[0028] In this embodiment, the driving assembly 7 includes a connecting rod 401 rotatably connected to the bottom of the main body 1 through a bearing, a motor 402 is fixed to the bottom of the connecting rod 401, and the motor 402 is a three-phase asynchronous motor. The outer wall of the motor 402 is fixed to the inner side of the support bar 104, and a driving gear 403 is fixed to the outer wall of the connecting rod 401. A driven gear 404 is fixed to the outer wall of the lower end of the rotating rod 201, and the driven gear 404 is meshed and connected with the driving gear 403.

[0029] In this embodiment, a sewage outlet 8 is formed on the outer wall of the main body 1 , and a sewage pipe 9 is fixed inside the sewage outlet 8 .

[0030] Compared with the reference document, the present application can automatically clean the filter element 2 through the cleaning mechanism 4 to penetrate into the tiny pores of the filter element 2, remove impurities, particles and other dirt attached to the surface of the filter element 2, and restore the filtering performance of the filter element 2, so that the water purifier can better remove harmful substances and impurities in the water and provide cleaner and safer drinking water. In addition, regular use of the cleaning brush 202 for cleaning can reduce the blockage and wear of the filter element 2, reduce the load of the filter element 2, and thus extend its service life. This not only reduces the frequency of replacing the filter element 2, but also reduces maintenance costs.

[0031] In this embodiment, a handle 10 is fixed on the top of each filter element 2 , and an anti-slip ring 11 is fixed on the outer wall of the handle 10 .

[0032] The working principle of the rotary arm backwash filter provided by the utility model is as follows:

[0033] When the filter element 2 needs to be cleaned, the filter element 2 is sleeved on the outer wall of the cleaning brush 202, and then the cover plate 301 is covered, and water flows into the inner side of the body 1 through the water inlet pipe 302, and then the motor 402 is started to drive the connecting rod 401 to rotate, and then the connecting rod 401 drives the driving gear 403 to rotate, and then the driving gear 403 drives the driven gear 404 to rotate, and then the driven gear 404 drives the rotating rod 201 to rotate, and then the rotating rod 201 drives the cleaning brush 202 to rotate, and then the cleaning brush 202 cleans the inner side of the filter element 2, and then after the cleaning is completed, the sewage contaminated by the cleaning is discharged through the sewage pipe 9.

[0034] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0035] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A rotary arm backwash filter, characterized in that: The invention comprises a body (1), a plurality of filter elements (2) are arranged at equal intervals on the inner side of the body (1), a support assembly (3) for supporting the body (1) is installed on the outer wall of the body (1), and a cleaning mechanism (4) for cleaning the filter elements (2) is installed on the inner side of the body (1), and the cleaning mechanism (4) comprises: A cleaning assembly (5) is installed on the inner side of the body (1), comprising a rotating rod (201) rotatably connected to the inner side of the body (1) via bearings at equal intervals, the lower end of the rotating rod (201) extending to the bottom of the body (1) via a sealed bearing, a cleaning brush (202) is fixed to the outer wall of the rotating rod (201) at equal intervals, and a driving assembly (7) for driving the rotating rod (201) to rotate is installed on the outer wall of the lower end of the rotating rod (201); The water inlet assembly (6) is installed on the top of the body (1), and comprises a cover plate (301) rotatably connected to the top of the body (1) via an axle pin, and a water inlet pipe (302) is fixed on the inner side of the cover plate (301).

2. The rotary arm backwash filter according to claim 1, characterized in that: The support assembly (3) comprises a fixing plate (101) fixed to the outer wall of the lower end of the body (1), three supporting feet (102) are fixed at equal intervals on the bottom of the fixing plate (101), anti-slip pads (103) are fixed on the bottom of the supporting feet (102), and supporting strips (104) are fixed on the outer walls of the supporting feet (102).

3. The rotary arm backwash filter according to claim 2, characterized in that: The driving assembly (7) comprises a connecting rod (401) rotatably connected to the bottom of the body (1) via a bearing, a motor (402) is fixed to the bottom of the connecting rod (401), an outer wall of the motor (402) is fixed to the inner side of the support bar (104), a driving gear (403) is fixed to the outer wall of the connecting rod (401), a driven gear (404) is fixed to the outer wall of the lower end of the rotating rod (201), and the driven gear (404) is meshedly connected with the driving gear (403).

4. The rotary arm backwash filter according to claim 1, characterized in that: The outer wall of the main body (1) is provided with a sewage outlet (8), and a sewage outlet pipe (9) is fixed inside the sewage outlet (8).

5. The rotary arm backwash filter according to claim 1, characterized in that: A handle (10) is fixed on the top of each filter element (2), and an anti-slip ring (11) is fixed on the outer wall of the handle (10).

6. The rotary arm backwash filter according to claim 3, characterized in that: The motor (402) is a three-phase asynchronous motor.

Images