Filter with filter element convenient to replace

Abstract

The utility model discloses a filter with a filter element convenient to replace, which belongs to the technical field of filters and comprises a collecting box, self-locking universal wheels are connected below the collecting box, a guide cylinder is arranged in the collecting box in a penetrating manner, and a filter body is connected onto the guide cylinder. According to the filter convenient to replace the filter element, by arranging parts such as a bottom plate, a fixing ring, a rotating plate, a fixing column and a locking plate, a pulling plate drives a limiting block to rotate, then the limiting block is clamped in a toothed plate, at the moment, the rotating plate is in a horizontal state in the fixing plate, the interior of the fixing ring is shielded by the rotating plate, and then a hydraulic cylinder is started to eject out a filter element body; therefore, the problem that in the process of replacing the filter element in a comparison file, if the filter element is installed tightly, pressure may be applied to the filter element in the operation of ejecting out the filter element, the pressure may cause impurities in the filter element to leak out, and then filtered materials are polluted is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of filters, and particularly relates to a filter facilitating the replacement of a filter element. Background Art

[0002] A filter is an indispensable device on a pipeline for conveying a medium, and is usually installed at the inlet end of a pressure reducing valve, a pressure relief valve, a constant water level valve, and other equipment. The filter consists of a cylinder body, a stainless steel filter screen, a sewage discharge part, a transmission device, and an electrical control part. After the water to be treated passes through the filter cylinder of the filter screen, its impurities are blocked. When cleaning is required, only the detachable filter cylinder needs to be taken out, and after treatment, it can be reinstalled. Therefore, the use and maintenance are extremely convenient.

[0003] Chinese Patent Publication No. CN220918356U discloses a filter facilitating the replacement of a filter element, and its basic description is as follows: The utility model discloses a filter facilitating the replacement of a filter element, including a base plate. The upper surface of the base plate is fixedly connected with a cylinder body. A discharge groove is formed in the upper surface of the cylinder body. A frame body is fixedly connected to the upper surface of the cylinder body. Symmetric sliding grooves are formed in the inner side wall of the frame body. A slider is movably connected to the inside of each sliding groove. The inner side surfaces of the two sliders close to each other are fixedly connected with a top plate. The bottom surface of each top plate is fixedly connected with symmetric electric telescopic rods. The bottom ends of each group of electric telescopic rods are fixedly connected with the upper surface of the cylinder body. The upper surfaces of the two top plates jointly place a filter element. By arranging the top plate, the filter element inside the device can be ejected, avoiding manual extraction by workers and the inconvenience during the replacement of the filter element by workers. By arranging the electric telescopic rods, the required power for the movement of the top plate can be provided.

[0004] However, in the actual use process, in the process of replacing the filter element in the comparative document, if the filter element is installed relatively tightly, then pressure may be exerted on the filter element during the operation of ejecting it, and this pressure may cause the impurities inside the filter element to leak out, thereby causing the filtered material to be contaminated. Content of the Utility Model

[0005] In order to overcome the above defects, the utility model provides a filter facilitating the replacement of a filter element, and solves the problem that in the process of replacing the filter element in the comparative document, if the filter element is installed relatively tightly, then pressure may be exerted on the filter element during the operation of ejecting it, and this pressure may cause the impurities inside the filter element to leak out, thereby causing the filtered material to be contaminated.

[0006] To achieve the above object, the present utility model provides the following technical solutions: A filter facilitating filter element replacement, comprising a collection box, a self-locking universal wheel is connected to the lower part of the collection box, a guiding cylinder is penetrated through the collection box, a filter body is connected to the guiding cylinder, a cover plate is installed on the filter body, a feed port is opened in the cover plate, a filter element body is placed in the filter body, four hydraulic cylinders are lapped under the filter element body, a shielding device is installed in the filter body, and a collection device is connected to one side of the filter body. The shielding device includes a bottom plate, and a fixed ring is penetrated and connected in the bottom plate;

[0007] A rotating plate is rotatably connected in the fixed ring, a fixed column is connected to the front surface of the rotating plate, a rotating rod is connected to the front surface of the rotating plate, a locking plate is rotatably connected to the outside of the rotating rod, the locking plate is installed on the front surface of the fixed column by bolts, a handle is connected to the front surface of the rotating rod, a pulling plate is hinged in the handle through a pin shaft, a same pulling-back spring is connected in the handle and the pulling plate, two fixed rods are connected in the locking plate, a toothed plate is sleeved outside the fixed rods, and a limiting block is connected to the outside of the pulling plate.

[0008] As a further scheme of the present utility model: The bottom plate is connected in the filter body, the fixed column is penetrated and connected in the bottom plate, and an integral welding structure is formed between the guiding cylinder and the collection box.

[0009] As a further scheme of the present utility model: The rotating rod is rotatably connected in the fixed column, and the limiting block is clamped in the toothed plate.

[0010] As a further scheme of the present utility model: One end of the limiting block is triangular, the fixed column is penetrated and connected in the filter body, and the fixed ring corresponds to the position of the guiding cylinder.

[0011] As a further scheme of the present utility model: The collection device includes a water tank, a water inlet pipe is penetrated and connected in the water tank, and a water suction pump is connected to the water inlet pipe.

[0012] As a further scheme of the present utility model: The water tank is fixedly connected to one side of the filter body by bolts.

[0013] As a further scheme of the present utility model: A hose is connected to the water suction pump, and an elastic plate is clamped outside the hose.

[0014] As a further scheme of the present utility model: The elastic plate is connected to one side of the water tank, and a water outlet is arranged on one side of the water tank.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] The filter facilitating the replacement of the filter element, by setting components such as a bottom plate, a fixing ring, a rotating plate, fixing columns, and a locking plate. When the filter element needs to be replaced, the cover plate is removed at this time, and the pulling plate is pressed. Then the handle is pulled, and the pulling plate drives the limiting block away from the toothed plate. Then the handle is rotated, and the handle drives the pulling plate and the limiting block to rotate. At this time, the handle drives the rotating rod to rotate within the locking plate and the fixing columns, and then drives the rotating plate to rotate within the fixing ring. When the limiting block corresponds to the upper toothed plate in position, the pulling plate is released at this time, and the return spring applies an elastic force to the pulling plate. The elastic force drives the pulling plate to rotate, and the pulling plate drives the limiting block to rotate. Then the limiting block is clamped within the toothed plate. At this time, the rotating plate presents a horizontal state within the fixing plate, and the rotating plate blocks the inside of the fixing ring. Then the hydraulic cylinder is started to eject the filter element body, thus solving the problem that in the process of replacing the filter element in the comparative document, if the filter element is installed relatively tightly, then pressure may be exerted on the filter element during the operation of ejecting it, and this pressure may cause impurities inside the filter element to leak out, thereby causing the filtered material to be contaminated.

[0017] The filter facilitating the replacement of the filter element, by setting a water tank, a water inlet tank, a water suction pump, a hose, an elastic plate, and a water outlet. After the filter element body is ejected, at this time, part of the squeezed sewage will be collected on the rotating plate. At this time, the hose is pulled out from the elastic plate, and then the hose is aligned with the rotating plate. At this time, the water suction pump is started, and the water suction pump penetrates the suction force into the hose. Then the sewage is sucked from the hose and then discharged into the water tank, thus realizing the collection of the discharged sewage. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0019] Figure 2 is a three-dimensional sectional structural schematic diagram of the filter body of the present utility model;

[0020] Figure 3 is a three-dimensional structural schematic diagram of the shielding device of the present utility model;

[0021] Figure 4 is a three-dimensional structural schematic diagram of the toothed plate of the present utility model;

[0022] Figure 5 is a three-dimensional structural schematic diagram of the collection device of the present utility model;

[0023] In the figure: 1. Collection box; 2. Self-locking universal wheel; 3. Guide cylinder; 4. Filter body; 5. Cover plate; 6. Feed inlet; 7. Filter element body; 8. Hydraulic cylinder; 9. Shielding device; 901. Bottom plate; 902. Fixed ring; 903. Rotating plate; 904. Fixed column; 905. Locking plate; 906. Rotating rod; 907. Fixed rod; 908. Handle; 909. Pulling plate; 910. Pull-back spring; 911. Toothed plate; 912. Limit block; 10. Collection device; 101. Water tank; 102. Water inlet pipe; 103. Water suction pump; 104. Hose; 105. Elastic plate; 106. Water outlet. Detailed implementation mode

[0024] The technical solution of this patent will be further described in detail below in combination with the specific implementation mode.

[0025] As Figures 1-5 shown, the utility model provides a technical solution: a filter facilitating filter element replacement, including a collection box 1, a self-locking universal wheel 2 is connected below the collection box 1, a guide cylinder 3 is arranged through the collection box 1, a filter body 4 is connected to the guide cylinder 3, a cover plate 5 is installed on the filter body 4, a feed inlet 6 is opened in the cover plate 5, a filter element body 7 is placed in the filter body 4, four hydraulic cylinders 8 are lapped below the filter element body 7, a shielding device 9 is installed in the filter body 4, a collection device 10 is connected to one side of the filter body 4, the shielding device 9 includes a bottom plate 901, and a fixed ring 902 is connected through the bottom plate 901; a rotating plate 903 is rotatably connected in the fixed ring 902. By arranging the rotating plate 903 and the fixed ring 902, when the rotating plate 903 cooperates with the fixed ring 902 and the rotating plate 903 presents a horizontal state, the inside of the fixed plate can be sealed at this time;

[0026] A fixed column 904 is connected to the front surface of the rotating plate 903, a rotating rod 906 is connected to the front surface of the rotating plate 903, a locking plate 905 is rotatably connected outside the rotating rod 906, the locking plate 905 is installed on the front surface of the fixed column 904 through bolts, a handle 908 is connected to the front surface of the rotating rod 906, a pulling plate 909 is hinged in the handle 908 through a pin shaft, and a same pull-back spring 910 is connected between the handle 908 and the pulling plate 909. By arranging the pull-back spring 910, when the pulling plate 909 is not pulled, the pull-back spring 910 applies an elastic force to the pulling plate 909 at this time to keep it stable. When the pulling plate 909 is released, the pull-back spring 910 applies an elastic force to the pulling plate 909 at this time, and the elastic force drives the pulling plate 909 to quickly reset;

[0027] There are two fixing rods 907 connected inside the locking plate 905. A toothed plate 911 is sleeved outside the fixing rod 907. A limiting block 912 is connected outside the pulling plate 909. The bottom plate 901 is connected inside the filter body 4. The fixing column 904 is connected through the bottom plate 901. The guiding cylinder 3 and the collection box 1 are integrally welded. The rotating rod 906 is rotatably connected inside the fixing column 904. The limiting block 912 is clamped inside the toothed plate 911. One end of the limiting block 912 is triangular. The fixing column 904 is connected through the filter body 4. The fixing ring 902 corresponds to the position of the guiding cylinder 3. The collection device 10 includes a water tank 101. A water inlet pipe 102 is connected through the water tank 101. A water suction pump is connected to the water inlet pipe 102. The water tank 101 is fixedly connected to one side of the filter body 4 by bolts. A hose 104 is connected to the water suction pump 103. An elastic plate 105 is clamped outside the hose 104. The elastic plate 105 is connected to one side of the water tank 101. There is a water outlet 106 on one side of the water tank 101.

[0028] The working principle of the present utility model is as follows:

[0029] When the filter element needs to be replaced, at this time, the cover plate 5 is removed, and the pulling plate 909 is pressed. Then, the handle 908 is pulled. The pulling plate 909 drives the limiting block 912 to move away from the toothed plate 911. Then, the handle 908 is rotated. The handle 908 drives the pulling plate 909 and the limiting block 912 to rotate. At this time, the handle 908 drives the rotating rod 906 to rotate inside the locking plate 905 and the fixing column 904, and then drives the rotating plate 903 to rotate inside the fixing ring 902. When the limiting block 912 corresponds to the upper toothed plate 911 in position, at this time, the pulling plate 909 is released. The return spring 910 exerts an elastic force on the pulling plate 909. The elastic force drives the pulling plate 909 to rotate. The pulling plate 909 drives the limiting block 912 to rotate. Then, the limiting block 912 is clamped inside the toothed plate 911. At this time, the rotating plate 903 is in a horizontal state inside the fixing plate, and the rotating plate 903 blocks the inside of the fixing ring 902. Then, the hydraulic cylinder 8 is started to eject the filter element body 7. When the filter element body 7 is ejected, at this time, part of the squeezed sewage will be collected on the rotating plate 903. At this time, the hose 104 is pulled out from the elastic plate 105, and then the hose 104 is aligned with the rotating plate 903. At this time, the water suction pump 103 is started. The water suction pump 103 penetrates the suction force into the hose 104, and then sucks the sewage from the hose 104 and discharges it into the water tank 101. Thus, the blocking and collection of the sewage are completed.

[0030] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "connection", "sliding connection", and "hinged connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood through specific circumstances.

[0031] The above has described in detail the preferred embodiments of the present patent. However, the present patent is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various changes can also be made without departing from the gist of the present patent.

Claims

1. A filter for easily replacing a filter element, comprising a collection box (1), characterized in that: A self-locking universal wheel (2) is connected to the lower part of the collecting box (1); a guide cylinder (3) is provided through the collecting box (1); a filter body (4) is connected to the guide cylinder (3); a cover plate (5) is installed on the filter body (4); a feed port (6) is provided in the cover plate (5); a filter element body (7) is placed in the filter body (4); four hydraulic cylinders (8) are overlapped under the filter element body (7); a shielding device (9) is installed in the filter body (4); a collecting device (10) is connected to one side of the filter body (4); the shielding device (9) comprises a bottom plate (901); a fixing ring (902) is connected through the bottom plate (901); A rotating plate (903) is rotatably connected inside the fixing ring (902), a fixing column (904) is connected to the front of the rotating plate (903), a rotating rod (906) is connected to the front of the rotating plate (903), a locking plate (905) is rotatably connected outside the rotating rod (906), the locking plate (905) is mounted on the front of the fixing column (904) by means of bolts, a handle (908) is connected to the front of the rotating rod (906), a pulling plate (909) is hinged inside the handle (908) by means of a pin, the handle (908) and the pulling plate (909) are connected to the same return spring (910), two fixing rods (907) are connected inside the locking plate (905), a toothed plate (911) is provided on the outer surface of the fixing rod (907), and a limiting block (912) is connected to the outside of the pulling plate (909).

2. A filter for easy replacement of filter element according to claim 1, characterized in that: The bottom plate (901) is connected inside the filter body (4), the fixing column (904) penetrates and is connected inside the bottom plate (901), and the guide cylinder (3) and the collection box (1) form an integrated welding structure.

3. The filter for easy replacement of filter element according to claim 1, characterized in that: The rotating rod (906) is rotatably connected in the fixed column (904), and the limiting block (912) is clamped in the tooth plate (911).

4. The filter for easy replacement of filter element according to claim 1, characterized in that: One end of the limit block (912) is triangular, the fixing column (904) penetrates and is connected in the filter body (4), and the fixing ring (902) corresponds to the position of the guide cylinder (3).

5. The filter for easy replacement of filter element according to claim 1, characterized in that: The collecting device (10) comprises a water tank (101), a water inlet pipe (102) is connected through the water tank (101), and a water suction pump (103) is connected to the water inlet pipe (102).

6. A filter for easily replacing a filter element according to claim 5, characterized in that: The water tank (101) is fixedly connected to one side of the filter body (4) by means of bolts.

7. A filter for easily replacing a filter element according to claim 6, characterized in that: The water suction pump (103) is connected to a hose (104), and an elastic plate (105) is disposed on the outside of the hose (104).

8. The filter for easy replacement of filter element according to claim 7, characterized in that: The elastic plate (105) is connected to one side of the water tank (101), and a water outlet (106) is provided on one side of the water tank (101).

Images