PP cotton filter for water purification equipment

Abstract

The utility model discloses a PP cotton filter for water purification equipment, which relates to the technical field of water purification equipment, and comprises a water inlet and outlet head, the bottom end of the water inlet and outlet head is integrally connected with a cylinder, and the bottom end of the cylinder is provided with a PP cotton fixing mechanism in threaded connection with the cylinder. A PP cotton filtering assembly is fixedly mounted on the PP cotton fixing mechanism; according to the PP cotton filter used for the water purification equipment, the PP cotton fixing mechanism is arranged, when the PP cotton filter needs to be replaced, connecting hoses on the water inlet connector and the water outlet connector do not need to be detached, the whole PP cotton filter does not need to be replaced, only the PP cotton filter assembly which is simple in structure and low in cost needs to be replaced, and meanwhile, when the PP cotton filter is normal, the PP cotton filter can be replaced conveniently. The upper end and the lower end of the PP cotton filter assembly are supported, and are matched with the assistance of the supporting assembly, so that the bearing strength is high, the sealing ring is not easy to separate from the cylindrical PP cotton filter element, the sealing performance is good, and the safety is high.

Description

Technical Field

[0001] The utility model relates to the technical field of water purification equipment, in particular to a PP cotton filter used in water purification equipment. Background Art

[0002] Water purification equipment is a kind of equipment that produces purified water. A variety of filters are commonly used, among which PP cotton filter is one of the filters, which is mainly composed of PP cotton filter element, outer shell and connectors.

[0003] According to Chinese patent number CN215653988U, a PP cotton filter used in an outdoor water purifier is disclosed. In the PP cotton filter, hot melt adhesive is provided between the annular flange and the PP cotton filter element and between the cover plate and the PP cotton filter element. On the one hand, the end cap can be fixed to the end of the PP cotton filter element. On the other hand, the hot melt adhesive has a good sealing effect and can effectively seal the end of the PP cotton filter element to prevent the water to be filtered from passing through the gap between the end cap and the PP cotton filter element, thereby achieving complete filtration of the water to be filtered. However, the patent still has the following defects:

[0004] The fixed connection is only achieved by threaded connection. During vibration, the threaded connection is prone to loosening and has low stability. When the PP cotton filter element is severely clogged, it is difficult for water to pass through the PP cotton filter element. At this time, the upper and lower cover plates are under great pressure. Since the cover plate has no supporting structure, gaps are easily generated between the PP cotton filter element and the cover plate, and the cover plate may even detach, and the sealing cannot be guaranteed. Utility Model Content

[0005] The utility model provides a PP cotton filter used in water purification equipment, which has the advantage of stable sealing and solves the problems raised in the background technology.

[0006] In order to solve the defect of poor sealing stability of the existing PP cotton filter, the utility model provides the following technical solution: a PP cotton filter used in a water purification device, comprising an inlet and outlet water head, the bottom end of the inlet and outlet water head is integrally connected with a cylinder, the bottom end of the cylinder is provided with a PP cotton fixing mechanism threadedly connected thereto, and a PP cotton filter assembly is fixedly installed on the PP cotton fixing mechanism;

[0007] The PP cotton fixing mechanism includes a sealing cover fixedly connected to the bottom of the cylinder with screws, one side of the top surface of the sealing cover is integrally connected to a support rod, the top surface of the support rod is integrally connected to a sealing ring, the other side of the bottom end of the sealing ring is rotatably connected to a screw rod, the screw rod is threadedly connected to a lifting disc connected to the support rod for vertical sliding connection, the lifting disc and the sealing ring are both provided with circular grooves on the sides close to each other, and a limiting groove is provided on the bottom surface of the circular groove below.

[0008] As a preferred technical solution of the utility model, the limiting groove is a circular structure, and the diameter of the limiting groove is the same as the inner diameter of the sealing ring.

[0009] As a preferred technical solution of the utility model, a knob is integrally connected to the bottom end of the screw rod, and the knob maintains a distance from the sealing cover.

[0010] As a preferred technical solution of the utility model, the inlet and outlet water heads include a mounting plate, the bottom end of the mounting plate is integrally connected with a round box, a water inlet interface is welded on one side of the round box, a water outlet interface is welded on the other side of the round box, a water inlet hole connected to the water inlet interface is opened in the middle of the bottom end of the round box, and a water outlet hole connected to the water outlet interface is opened on the other side of the bottom end of the round box.

[0011] As a preferred technical solution of the utility model, the PP cotton filter assembly includes a cylindrical PP cotton filter element, and the upper and lower ends of the cylindrical PP cotton filter element are fixedly connected with sealing rings by glue, and the upper and lower sealing rings are integrally connected with limiting rings on the sides away from each other, and the outer walls of the two sealing rings are provided with a pair of grooves.

[0012] As a preferred technical solution of the utility model, a support assembly is clamped between the upper and lower slots, and the support assembly includes a threaded telescopic rod, and the upper and lower ends of the threaded telescopic rod are integrally connected with a chuck matching the slot, and the chuck is clamped on the slot, and the chuck is attached to the inner wall of the circular groove.

[0013] Compared with the prior art, the utility model provides a PP cotton filter used in water purification equipment, which has the following beneficial effects:

[0014] 1. The PP cotton filter used in this water purification equipment is equipped with a PP cotton fixing mechanism. When it needs to be replaced, there is no need to remove the connecting hoses on the water inlet interface and the water outlet interface, and there is no need to replace the entire PP cotton filter. Only the PP cotton filter component with simple structure and low cost needs to be replaced. At the same time, under normal circumstances, the upper and lower ends of the PP cotton filter component are supported, and with the assistance of the supporting component, it has high bearing strength, the sealing ring is not easy to separate from the cylindrical PP cotton filter element, the sealing is good and guaranteed, and the safety is high.

[0015] 2. The PP cotton filter used in this water purification equipment can be fixedly connected with cylindrical PP cotton filter elements of various lengths after ensuring a good sealing connection. It will not be affected by the length of the cylindrical PP cotton filter element and has a wide connection range to meet different practical needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a structural diagram of the PP cotton fixing mechanism of the utility model;

[0018] Figure 3 It is a bottom view of the water inlet and outlet of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the PP cotton filter assembly of the utility model;

[0020] Figure 5 It is a structural schematic diagram of the support assembly of the utility model.

[0021] In the figure:

[0022] Inlet and outlet heads; 11. Mounting plate; 12. Round box; 13. Water inlet interface; 14. Water outlet interface; 15. Water inlet hole; 16. Water outlet hole; 20. Cylinder; 30. PP cotton fixing mechanism; 31. Sealing cover; 32. Support rod; 33. Sealing ring; 34. Screw; 35. Lifting disc; 36. Round groove; 37. Limiting groove; 40. PP cotton filter assembly; 41. Cylindrical PP cotton filter element; 42. Sealing ring; 43. Limiting ring; 44. Slot; 50. Knob; 60. Support assembly; 61. Threaded telescopic rod; 62. Chuck. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 5 The utility model discloses a PP cotton filter used in a water purification device, comprising an inlet and outlet water head 10, the bottom end of the inlet and outlet water head 10 is integrally connected with a cylinder 20, the bottom end of the cylinder 20 is provided with a PP cotton fixing mechanism 30 threadedly connected thereto, and a PP cotton filter assembly 40 is fixedly installed on the PP cotton fixing mechanism 30;

[0025] The PP cotton fixing mechanism 30 includes a sealing cover 31 which is screwed to the bottom of the cylinder 20, one side of the top surface of the sealing cover 31 is integrally connected to a support rod 32, the top surface of the support rod 32 is integrally connected to a sealing ring 33, the other side of the bottom end of the sealing ring 33 is rotatably connected to a screw rod 34, the screw rod 34 is threadedly connected to a lifting disc 35 which is slidably connected to the support rod 32 up and down, and a circular groove 36 is provided on the side where the lifting disc 35 and the sealing ring 33 are close to each other, and a limiting groove 37 is provided on the bottom surface of the lower circular groove 36.

[0026] The sealed fixed installation of the PP cotton filter component 40 can be realized, and the PP cotton filter component 40 of various lengths is applicable, and has a wide range of uses.

[0027] Specifically, the limiting groove 37 is a circular structure, and the limiting groove diameter 37 is the same as the inner diameter of the sealing ring 33 . The bottom end of the screw rod 34 is integrally connected with a knob 50 , and the knob 50 maintains a distance from the sealing cover 31 .

[0028] In this embodiment, the knob 50 is provided to facilitate the rotation of the screw rod 34 , and the diameter of the limiting groove 37 is the same as the inner diameter of the sealing ring 33 , which facilitates the clamping of the limiting ring 43 in the PP cotton filter assembly 40 .

[0029] Specifically, the inlet and outlet head 10 includes a mounting plate 11, the bottom end of the mounting plate 11 is integrally connected with a round box 12, one side of the round box 12 is welded with a water inlet interface 13, the other side of the round box 12 is welded with a water outlet interface 14, a water inlet hole 15 connected to the water inlet interface 13 is opened in the middle of the bottom end of the round box 12, and the other side of the bottom end of the round box 12 is opened with a water outlet hole 16 connected to the water outlet interface 14.

[0030] In this embodiment, the water inlet interface 13 and the water outlet interface 14 can be threadedly fixedly connected to the connecting hose on the water purification equipment. When in use, water enters the water inlet interface 13 and enters the cylindrical PP cotton filter element 41 through the water inlet hole 15. Impurities adhere to the inner wall of the cylindrical PP cotton filter element 41. Clean water passes through the cylindrical PP cotton filter element 41 and is discharged from the water outlet interface 14 through the water outlet hole 16.

[0031] Specifically, the PP cotton filter assembly 40 includes a cylindrical PP cotton filter element 41, and the upper and lower ends of the cylindrical PP cotton filter element 41 are fixedly connected with sealing rings 42 by glue. The sides of the upper and lower sealing rings 42 that are away from each other are integrally connected with a limiting ring 43, and the outer walls of the two sealing rings 42 are provided with a pair of grooves 44.

[0032] In this embodiment, the cylindrical PP cotton filter element 41 has a good filtering and purification effect. After installation, the upper limiting ring 43 can be snapped onto the sealing ring 33, and the lower limiting ring 43 can be snapped onto the limiting groove 37.

[0033] Specifically, a support assembly 60 is clamped between the upper and lower slots 44 , and the support assembly 60 includes a threaded telescopic rod 61 , and the upper and lower ends of the threaded telescopic rod 61 are integrally connected with a chuck 62 matching the slot 44 , and the chuck 62 is clamped on the slot 44 , and the chuck 62 is attached to the inner wall of the circular groove 36 .

[0034] In this embodiment, the support component 60 can be adjusted in length and can be suitable for PP cotton filter components 40 of different lengths. Before the PP cotton filter component 40 is fixed, the entire support component 60 can be clamped on the upper and lower clamping grooves 44, which can improve the compressive strength of the entire PP cotton filter component 40, thereby improving the firmness and sealing of the subsequent installation of the PP cotton filter component 40. After installation, the chuck 62 will fit on the inner wall of the circular groove 36, and the support component 60 will not detach, and the clamping stability is high.

[0035] The working principle and use process of the utility model are as follows: before installation, the threaded telescopic rod 61 is adjusted to a suitable length according to the length of the PP cotton filter assembly 40, and then the upper and lower chucks 62 are respectively clamped on the upper and lower clamping grooves 44 to support the PP cotton filter assembly 40. The PP cotton filter assembly 40 is placed on the PP cotton fixing mechanism 30, so that the lower limit ring 43 is clamped on the limit groove 37, and the forward rotation knob 50 drives the screw rod 34 to rotate forward. At this time, the lifting disc 35 moves up, and finally the upper limit ring 43 is clamped on the sealing ring 33. Finally, the sealing cover 31 is screwed and sealed and fixedly connected to the bottom of the cylinder 20, and the uppermost sealing ring 42 is tightly fitted on the bottom surface of the round box 12.

[0036] It should be noted that, in this article, terms such as "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of more restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A PP cotton filter used in a water purification device, characterized in that: It comprises an inlet and outlet water head (10), the bottom end of the inlet and outlet water head (10) is integrally connected to a cylinder (20), the bottom end of the cylinder (20) is provided with a PP cotton fixing mechanism (30) threadedly connected thereto, and a PP cotton filter assembly (40) is fixedly mounted on the PP cotton fixing mechanism (30); The PP cotton fixing mechanism (30) comprises a sealing cover (31) screw-fixedly connected to the bottom of the cylinder (20); a support rod (32) is integrally connected to one side of the top surface of the sealing cover (31); a sealing ring (33) is integrally connected to the top surface of the support rod (32); a screw rod (34) is rotatably connected to the other side of the bottom end of the sealing ring (33); the screw rod (34) is threadedly connected to a lifting disc (35) slidably connected to the support rod (32) up and down; a circular groove (36) is provided on one side of the lifting disc (35) and the sealing ring (33) where they are close to each other; and a limiting groove (37) is provided on the bottom surface of the circular groove (36) below.

2. The PP cotton filter used in the water purification equipment according to claim 1 is characterized by: The limiting groove (37) is a circular structure, and the diameter of the limiting groove (37) is the same as the inner diameter of the sealing ring (33).

3. The PP cotton filter used in the water purification equipment according to claim 1 is characterized in that: A knob (50) is integrally connected to the bottom end of the screw rod (34), and the knob (50) maintains a distance from the sealing cover (31).

4. The PP cotton filter used in the water purification equipment according to claim 1, characterized in that: The water inlet and outlet head (10) comprises a mounting plate (11), the bottom end of the mounting plate (11) is integrally connected with a round box (12), one side of the round box (12) is welded with a water inlet interface (13), the other side of the round box (12) is welded with a water outlet interface (14), a water inlet hole (15) connected to the water inlet interface (13) is provided in the middle of the bottom end of the round box (12), and a water outlet hole (16) connected to the water outlet interface (14) is provided on the other side of the bottom end of the round box (12).

5. The PP cotton filter used in the water purification equipment according to claim 1, characterized in that: The PP cotton filter assembly (40) comprises a cylindrical PP cotton filter element (41), the upper and lower ends of the cylindrical PP cotton filter element (41) are fixedly connected with sealing rings (42) by glue, the upper and lower sealing rings (42) are integrally connected to a limiting ring (43) on the sides away from each other, and the outer walls of the two sealing rings (42) are each provided with a pair of slots (44).

6. The PP cotton filter used in the water purification equipment according to claim 5, characterized in that: A support assembly (60) is clamped between the upper and lower clamping grooves (44), and the support assembly (60) comprises a threaded telescopic rod (61). The upper and lower ends of the threaded telescopic rod (61) are integrally connected with a clamping disk (62) matching the clamping groove (44), and the clamping disk (62) is clamped on the clamping groove (44), and the clamping disk (62) is fitted on the inner wall of the circular groove (36).

Images