CN216909486U - Filter device for water purifier - Google Patents

Abstract

The utility model discloses a filtering device for a water purifier, and relates to the technical field of water purifier filtering. The utility model provides a filter equipment for water purifier, includes one-level filter shell and secondary filter shell, the inside second cavity of having seted up of one-level filter shell, be provided with one-level filter equipment in the second cavity, one-level filter equipment top intercommunication has the connecting pipe, connecting pipe one end intercommunication has communicating pipe, communicating pipe one end intercommunication has secondary filter equipment, and the inside first cavity of having seted up of secondary filter shell, secondary filter equipment is located inside the first cavity, one-level filter shell and secondary filter shell one side communicate respectively has inlet tube and outlet pipe. The filter element replacing device is provided with the spring, the limiting ring and the limiting groove, when the filter element needs to be replaced, the rotating top seat is rotated, the limiting ring is separated from the limiting groove under the action of the elastic force of the spring, and the primary filter device bounces, so that the filter element is convenient to replace.

Description

Filter device for water purifier

Technical Field

The utility model relates to the technical field of water purifier filtration, in particular to a filter device for a water purifier.

Background

The water purifier is a water treatment device for deeply filtering and purifying water according to the use requirement of water, generally refers to a small-sized water purifier used in families, the technical core of the water purifier is a filtering membrane in a filter element device, the main technology at present is derived from an ultrafiltration membrane and a reverse osmosis membrane, the water purifier is widely used along with the development of the society, and most families in the urban area can use the water purifier at present, so that the quality of tap water is improved.

To some old districts, because the long-time corrosion of water supply line, easy iron rust that produces, these iron rust are along with in water gets into user's the water pipe, and some places use groundwater as domestic water, and the groundwater contains some silt, so these water lug connection who contains iron rust or sand cause the filter screen to block up in the water purifier easily to need frequent change filter screen, partial filter screen is changed inconveniently, leads to use cost to increase like this, and extravagant a large amount of manpowers.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a filter device for a water purifier to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a filter equipment for water purifier, includes one-level filter shell and secondary filter shell, the inside second cavity of having seted up of one-level filter shell, be provided with one-level filter equipment in the second cavity, one-level filter equipment top intercommunication has the connecting pipe, connecting pipe one end intercommunication has communicating pipe, communicating pipe one end intercommunication has secondary filter equipment, and the inside first cavity of having seted up of secondary filter shell, secondary filter equipment is located inside the first cavity, one-level filter shell and secondary filter shell one side communicate respectively has inlet tube and outlet pipe.

Preferably, the secondary filter device comprises an upper cover plate, a first filter screen is connected to the bottom end of the upper cover plate, and a lower cover plate is fixed to the bottom end of the first filter screen.

Preferably, a rotary base is fixed at the bottom end of the secondary filter shell, a boss is integrally formed at the top end of the rotary base, a seal ring is sleeved on the boss, and the top end of the boss abuts against the lower cover plate.

Preferably, the one-level filter equipment includes the drum, the drum top is fixed with solid fixed ring, the through-hole has been seted up to solid fixed ring one side, the drum top is fixed with the fixed plate, the fixed plate top is linked together with the connecting pipe, the drum internal fixation has the filtration post, it passes the fixed plate to filter post one end, it has activated carbon to filter the inside packing of post, it is fixed with the second filter screen to filter the bottom of the column, gu the fixed ring top is fixed with rotatory footstock.

Preferably, a limiting ring is fixed to the bottom of the cylinder, a limiting groove is formed in the bottom of the second cavity, the limiting ring is matched with the limiting groove, a spring is fixed to the bottom of the second cavity, and the communicating pipe is communicated with the connecting pipe and the upper cover plate through quick clamping.

Compared with the prior art, the utility model has the beneficial effects that:

(1) this filter equipment for water purifier is provided with spring, spacing ring and spacing groove, and when needs renew cartridge, rotatory footstock under the spring force effect for spacing ring and spacing groove separation, one-level filter equipment bounce, thereby make things convenient for the change of filter core.

(2) This filter equipment for water purifier is provided with primary filter shell and primary filter equipment, the water that needs purify flows into between primary filter shell and the primary filter equipment from the inlet tube, and the impurity of aquatic can deposit between primary filter shell and primary filter equipment earlier, then enters into primary filter equipment and secondary filter equipment in proper order and continue to filter to having carried out the clearance in advance to impurity, having reduced the damage probability of filter screen, realized reducing manpower and reduce cost's purpose.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a bottom view of the utility model with the secondary filter housing disassembled;

FIG. 3 is a bottom view of the utility model with the secondary filter housing removed;

FIG. 4 is a top view of the utility model taken apart with the primary filter housing;

FIG. 5 is a top view of the present invention with the rotating top mount removed;

FIG. 6 is an axial view of the barrel of the present invention;

fig. 7 is a cross-sectional view of a filter column of the present invention.

In the figure: 1. a primary filter housing; 2. a secondary filter housing; 3. rotating the base; 4. a boss; 5. a secondary filtration device; 501. an upper cover plate; 502. a first filter screen; 503. a lower cover plate; 7. a primary filtration device; 701. a cylinder; 702. a fixing ring; 703. a filtration column; 704. a through hole; 705. rotating the top seat; 706. activated carbon; 707. a second filter screen; 708. a fixing plate; 8. a spring; 9. a limiting ring; 10. a limiting groove; 11. a first cavity; 12. a water outlet pipe; 13. a water inlet pipe; 14. a communicating pipe; 15. fast clamping; 16. a second cavity; 17. a connecting pipe; 18. and (5) sealing rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.

As shown in fig. 1 to 6, the present invention provides a technical solution: a filter unit for a water purifier comprises a primary filter shell 1 and a secondary filter shell 2, a second cavity 16 is arranged in the primary filter shell 1, a primary filter unit 7 is arranged in the second cavity 16, the primary filter unit 7 comprises a cylinder 701, a fixing ring 702 is fixed at the top end of the cylinder 701, a plurality of through holes 704 are formed in one side of the fixing ring 702, the through holes 704 are uniformly distributed on the side surface of the fixing ring 702, water can flow through the fixing ring, a fixing plate 708 is fixed at the top end of the cylinder 701 so as to divide the cylinder 701 into an upper part and a lower part, the lower part of the cylinder 701 is relatively sealed, the top end of the fixing plate 708 is communicated with a connecting pipe 17, a filter column 703 is fixed in the cylinder 701, one end of the filter column 703 penetrates through the fixing plate 708, water after primary precipitation can enter the filter column 703, activated carbon 706 is filled in the filter column 703, and the activated carbon 706 is solid carbon, the main component of the device is carbon and has strong adsorption performance, a second filter screen 707 is fixed at the bottom of a filter column 703, a rotary top seat 705 is fixed at the top end of a fixing ring 702, a connecting pipe 17 is communicated at the top end of a primary filter device 7, a communicating pipe 14 is communicated at one end of the connecting pipe 17, a secondary filter device 5 is communicated at one end of the communicating pipe 14, the secondary filter device 5 comprises an upper cover plate 501, a first filter screen 502 is connected at the bottom end of the upper cover plate 501, a lower cover plate 503 is fixed at the bottom end of the first filter screen 502, a rotary base 3 is fixed at the bottom end of a secondary filter shell 2, a boss 4 is integrally formed at the top end of the rotary base 3, a sealing ring 18 is sleeved on the boss 4, the top end of the boss 4 is abutted against the lower cover plate, a first cavity 11 is arranged in the secondary filter shell 2, the secondary filter device 5 is positioned in the first cavity 11, one side of the first-stage filter shell 1 and one side of the second-stage filter shell 2 are respectively communicated with a water inlet pipe 13 and a water outlet pipe 12.

As shown in fig. 1-3, a limiting ring 9 is fixed at the bottom of the cylinder 701, a limiting groove 10 is formed at the bottom of the second cavity 16, the limiting ring 9 is matched with the limiting groove 10, a spring 8 is fixed at the bottom of the second cavity 16, and the communicating pipe 14 is communicated with the connecting pipe 17 and the upper cover plate 501 through a quick clamp 15.

The primary filter device 7 is put into the second cavity 16, the limit ring 9 is contacted with the limit groove 10, the outer side of the fixing ring 702 and the top of the second cavity 16 are provided with external threads and internal threads, so that the primary filter device 7 and the primary filter shell 1 can be fixed by rotating the rotating top seat 705, the communicating pipe 14 is connected with the connecting pipe 17, the top of the secondary filter device 5 is put into the second cavity 2 from the bottom, the rotating base 3 is screwed down by rotating, the upper cover plate 501 is connected with the communicating pipe 14, the fixing of the filter device is realized, the water to be filtered enters the second cavity 16 from the water inlet pipe 13, the larger iron rust, sand and other substances in the water are precipitated in the second cavity 16, the water at the top enters the upper part of the fixing plate 708 from the through hole 704 and then enters the filter column 703, and flows out of the second filter screen 707 after being filtered by the activated carbon 706, thereby realizing the primary filtering, the water which is primarily filtered enters the space between the cylinder 701 and the fixing plate 708, finally enters the first filter screen 502 from the connecting pipe 17, is filtered by the first filter screen 502, clean water flows out from the water outlet pipe 12, when the primary filter device 7 needs to be replaced, the rotating top seat 705 rotates, and under the elastic action of the spring 8, the primary filter device 7 bounces, so that the assembly and disassembly are convenient.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (2)

1. The utility model provides a filter equipment for water purifier, includes primary filter shell (1) and secondary filter shell (2), its characterized in that: a second cavity (16) is formed in the primary filter shell (1), a primary filtering device (7) is arranged in the second cavity (16), the top end of the primary filtering device (7) is communicated with a connecting pipe (17), one end of the connecting pipe (17) is communicated with a communicating pipe (14), one end of the communicating pipe (14) is communicated with a secondary filtering device (5), a first cavity (11) is formed in the secondary filter shell (2), the secondary filtering device (5) is located in the first cavity (11), and one side of the primary filter shell (1) and one side of the secondary filter shell (2) are respectively communicated with a water inlet pipe (13) and a water outlet pipe (12);

the secondary filtering device (5) comprises an upper cover plate (501), a first filtering net (502) is connected to the bottom end of the upper cover plate (501), and a lower cover plate (503) is fixed to the bottom end of the first filtering net (502);

a rotary base (3) is fixed at the bottom end of the secondary filter shell (2), a boss (4) is integrally formed at the top end of the rotary base (3), a sealing ring (18) is sleeved on the boss (4), and the top end of the boss (4) is abutted to a lower cover plate (503);

the primary filtering device (7) comprises a cylinder (701), a fixing ring (702) is fixed at the top end of the cylinder (701), a through hole (704) is formed in one side of the fixing ring (702), a fixing plate (708) is fixed at the top end of the cylinder (701), the top end of the fixing plate (708) is communicated with a connecting pipe (17), a filtering column (703) is fixed in the cylinder (701), one end of the filtering column (703) penetrates through the fixing plate (708), activated carbon (706) is filled in the filtering column (703), a second filter screen (707) is fixed at the bottom of the filtering column (703), and a rotary top seat (705) is fixed at the top end of the fixing ring (702).

2. The filtering device for a water purifier according to claim 1, wherein: the cylinder (701) bottom is fixed with spacing ring (9), spacing groove (10) have been seted up to second cavity (16) bottom, spacing ring (9) and spacing groove (10) looks adaptation, second cavity (16) bottom is fixed with spring (8), communicating pipe (14) are linked together through quick joint (15) and connecting pipe (17) and upper cover plate (501).

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