CN107188322B

CN107188322B - Combined filter element of water purifier

Info

Publication number: CN107188322B
Application number: CN201710467883.0A
Authority: CN
Inventors: 艾蒙雁; 吴昌飞
Original assignee: Shunde District Foshan Jie Run Hardware Plastic Co ltd
Current assignee: Shunde District, Foshan Jie run Hardware Plastic Co.,Ltd.
Priority date: 2017-06-20
Filing date: 2017-06-20
Publication date: 2020-05-22
Anticipated expiration: 2037-06-20
Also published as: CN107188322A

Abstract

The invention discloses a combined filter element of a water purifier, which comprises a filter membrane shell, wherein a central pipe and a raw water inlet pipe are arranged in the filter membrane shell, the two ends of the filter membrane shell are respectively connected with an inlet end cover and an outlet end cover through an inlet end cover, the inlet end cover comprises a membrane shell cover and a sealing leather ring, a water inlet pipe is also fixedly arranged on the outer side of a membrane shell terminal, the outlet end cover comprises an outlet support frame, a purified water outlet pipe and a waste water outlet pipe are respectively and fixedly arranged on the outer side of the outlet end cover, the purified water outlet pipe and the waste water outlet pipe are both sealed through an annular sealing ring, a filter hole is arranged on the central pipe, a granular activated carbon filter layer is arranged in the filter hole, a penetrating fluid collecting layer is arranged on the outer side of the central pipe, filter membrane carriers are arranged on the outer side of the, can avoid filtering impurity for a long time sharply inside filtering element, improvement that moreover can be better actually filters efficiency.

Description

Combined filter element of water purifier

Technical Field

The invention relates to the technical field of water purifiers, in particular to a combined filter element of a water purifier.

Background

Along with the continuous improvement of living standard and economic standard of people, people have become more and more attentive to living health, and along with the aggravation of environmental pollution, the domestic water of people has received serious pollution, especially the water of daily drinking. Therefore, people who pay attention to life safety and health often increase the harmful impurities in the filtered water of the water purifier, and the water safety is improved.

The filter element is a core component in the water purifying device, the water purifying filter element is mainly used for purifying tap water, and the purified tap water is directly drunk by people or used for washing vegetables and clothes. Most importantly, in the process of water quality filtration, impurities are retained on the filter element, and especially for a water source with poor water quality, most of the impurities are retained on the filter element, so that the service life of the filter element is seriously influenced, the actual filtration flow is influenced, and the filtration efficiency is reduced. A water purifier combination filter core as application number 201410266528.3 discloses is used for increasing the running water filtration through being provided with first pipeline and second pipeline, is provided with the quick installation of the convenient filter core of filter core installation shell, is provided with the flow that the flow display table is used for monitoring the water pitcher to it is less to solve combination filter core filtration, and the filter core is changed also comparatively troublesome problem. In the above technical solutions, the emphasis is on improving the filtering effect, but the impurities filtered in the water are not considered sufficiently.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a combined filter element of a water purifier, which can effectively solve the problems in the background art.

The technical scheme adopted by the invention for solving the technical problems is as follows: a combined filter element of a water purifier comprises a filter membrane shell, wherein a central tube and a water inlet original tube are fixedly arranged in the filter membrane shell, two ends of the central tube and the water inlet original tube are respectively connected and sealed through an inlet end cover and an outlet end cover, the inlet end cover comprises a membrane shell cover and a sealing leather ring, the membrane shell cover is directly sleeved between the central tube and the water inlet original tube, a water inlet tube is fixedly arranged on the outer side of a membrane shell terminal, the outlet end cover comprises an outlet support frame, the outlet support frame is arranged between the central tube and the water inlet original tube, a purified water outlet tube and a waste water outlet tube are respectively and fixedly arranged on the outer side of the outlet end cover, the purified water outlet tube and the waste water outlet tube are respectively and directly connected with the central tube and the water inlet original tube through annular sealing rings, a plurality of filter holes are arranged on the central tube, and granular, and a penetrating fluid collecting layer is fixedly arranged on the outer side of the central tube, filter membrane carriers are arranged on the outer side of the penetrating fluid collecting layer, and flow-blocking pressurizing guide plates are respectively and fixedly arranged between the adjacent filter membrane carriers.

As a preferable technical scheme of the invention, the water inlet raw pipe is distributed along the inner surface of the filtering membrane shell, the central pipe is arranged in the water inlet raw pipe, the central pipe and the water inlet raw pipe are both cylindrical, and the circular center axes of the central pipe and the water inlet raw pipe are superposed.

As a preferable technical scheme of the invention, the inner side of the membrane shell cover is also provided with a sealing leather ring, and the end face of the central tube is sealed by an O-shaped sealing ring.

As a preferable technical scheme of the invention, a plurality of groups of support rods are fixedly arranged in the outlet support frame, and the support rods are distributed in a radial shape by taking the center of the central tube as a vertex.

As a preferred technical scheme of the invention, the number of the penetrating fluid collecting layers is not less than five, and each penetrating fluid collecting layer is tightly attached and coated outside the central pipe.

As a preferable technical scheme, the number of the filter membrane carriers is three, and the three filter membrane carriers are sequentially loaded with a PP cotton filter layer, an activated carbon filter layer and a ceramic filter layer from inside to outside.

As a preferable technical scheme of the invention, the flow-resisting and pressurizing guide plates are obliquely crossed with the central pipe, and the oblique angle is 20-45 degrees.

Compared with the prior art, the invention has the beneficial effects that: the invention enters raw water through the water inlet pipe, and blocks water flow in the water inlet original pipe outside the central pipe through the sealing leather ring and the O-shaped sealing ring in the inlet end cover, the municipal water pressure provided by the natural water continuously input is used for forcing the water flow to pass through the filter membrane carrier plate and the penetrating fluid collecting layer outside the center and the granular activated carbon filter layer for multi-level filtration, the flow-resisting pressure-increasing guide plate additionally arranged between the filter membrane carriers is used for improving the radial resistance of the water flow and the filtered water supply pressure, the actual filtration effect is improved, the water reaches the outlet end cover after passing through the filter membrane shell, the purified water and the waste water containing the filtered impurities are discharged through the purification outlet pipe and the waste water outlet pipe which are connected with the central pipe and the water inlet original pipe respectively, the filtered impurities can be prevented from being rapidly arranged in the filter element for a long time, the filter element is frequently cleaned and replaced, and great, but also the actual filtering effect.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the inlet end cap of the present invention;

fig. 3 is a schematic view of the outlet end cap structure of the present invention.

In the figure: 1-filtration membrane shell; 2-a central tube; 3-a water inlet original pipe; 4-inlet end cap; 5-outlet end cap; 6-membrane shell cover; 7 a ceramic filter layer; 8-water inlet pipe; 9-an outlet support frame; 10-purified water outlet pipe; 11-waste water outlet pipe; 12-filtration pores; 13-a granular activated carbon filter layer; 14-a permeate collection layer; 15-filter membrane carrier; 16-flow blocking and pressurizing guide plates; 17-sealing the leather ring; 18-O-ring seals; 19-a support bar; 20-ring seal ring; 21-PP cotton filter layer; 22-activated carbon filter layer.

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.

Example (b):

as shown in fig. 1 to 3, the present invention provides a combined filter element of a water purifier, which includes a filtering membrane shell 1, wherein a central tube 2 and a raw water inlet tube 3 are fixedly installed inside the filtering membrane shell 1, the raw water inlet tube 3 is distributed along the inner surface of the filtering membrane shell 1, the central tube 2 is arranged inside the raw water inlet tube 3, the central tube 2 and the raw water inlet tube 3 are both cylindrical, the circular axes of the central tube 2 and the raw water inlet tube 3 are coincident, raw water and purified water are separated through the differentiating action of the central tube 2 and the raw water inlet tube 3, and two ends of the central tube 2 and the raw water inlet tube 3 are respectively connected and sealed through an inlet end cap 4 and an outlet end cap 5.

The inlet end cover 4 comprises a membrane shell cover 6 and a sealing leather ring 7, the membrane shell cover 6 is directly sleeved between a central tube 2 and a water inlet original tube 3, a sealing leather ring 17 is further arranged on the inner side of the membrane shell cover 6, the end face of the central tube 2 is sealed through an O-shaped sealing ring 18, water flow is separated in the water inlet original tube on the outer side of the central tube, municipal water pressure provided by natural water continuously input through a source forces water flow to pass through a filter membrane support plate and a penetrating fluid collection layer on the outer side of the center and a granular activated carbon filter layer to carry out multi-level filtration, a water inlet tube 8 is further fixedly mounted on the outer side of a membrane shell terminal 6, the outlet end cover 5 comprises an outlet support frame 9, a plurality of groups of support rods 19 are fixedly mounted inside the outlet support frame 9, the support rods 19 are distributed in a ray shape by taking the center tube 2 as a vertex, and the support and the, prevent that the filter core warp after the pressure boost from leading to the filter effect poor or even losing the filter effect, export support frame 9 is established between center tube 2 and the former pipe of intaking 3, and fixed mounting has purified water outlet pipe 10 and abandonment water outlet pipe 11 respectively in the 5 outsides of outlet end cover, purified water outlet pipe 10 and abandonment water outlet pipe 11 all pass through ring packing 20 respectively with center tube 2 and the former pipe 3 lug connection of intaking, separate between center tube 2 and the former pipe of intaking 3 to direct follow purified water export 10 with the water after the purification and draw out, draw out abandonment water from abandonment water export 11, each other does not influence.

Be equipped with a plurality of filtration pore 12 on the center tube 2, the inside equal fixed mounting of filtration pore 12 has granule activated

carbon filtering layer

13, 2 outside fixed mounting of center tube has penetrant collection layer 14, the quantity of penetrant collection layer 14 is not less than five layers, and all closely the laminating cladding is in the center tube 2 outside between every layer of penetrant collection layer 14, improves actual filtration and choked flow effect, improves the filter effect, is equipped with filter membrane carrier 15 in the penetrant collection layer 14 outside, filter membrane carrier 15's quantity is the three-layer, and three-layer filter membrane carrier 15 from interior to exterior loads in proper order and has PP cotton filtering layer 21, active carbon filtering layer 22 and ceramic filtering layer 7, through the filter effect of multi-level different grade type to reach different filtration adsorption, respectively fixed mounting has choked flow pressure boost baffle 16 between adjacent filter membrane carrier 15, choked flow pressure boost baffle 16 all crosses with center tube 2 to one side, and the angle of the oblique crossing is 20-45 degrees, the radial resistance of the water flow and the water supply pressure of the filtration are improved, and the actual filtration effect is improved.

The invention is mainly characterized in that raw water enters through a water inlet pipe, water flow is blocked in a water inlet original pipe on the outer side of a central pipe through a sealing leather ring and an O-shaped sealing ring in an inlet end cover, the municipal water pressure provided by natural water continuously input continuously is used for forcing the water flow to pass through a filter membrane carrier plate, a penetrating fluid collecting layer and a granular activated carbon filter layer on the outer side of the center for multi-level filtration, the flow-blocking pressurizing guide plate additionally arranged between the filter membrane carriers is used for improving the radial resistance of the water flow and the filtered water supply pressure, the actual filtration effect is improved, the water reaches an outlet end cover after passing through a filter membrane shell, purified water and waste water containing filtered impurities are discharged through a purification outlet pipe and a waste water outlet pipe which are connected with the central pipe and the water inlet original pipe respectively, and the filtered impurities can be prevented from being rapidly arranged in the filter element for a long time, brings great inconvenience to the actual use and can also influence the actual filtering effect.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a water purifier combination filter core, includes filtration membrane shell (1), its characterized in that: the utility model discloses a filter membrane shell, including filter membrane shell (1), inside fixed mounting have center tube (2) and the former pipe of intaking (3), center tube (2) and the former pipe of intaking (3) both ends of intaking are connected through inlet end cover (4) and outlet end cover (5) respectively and are sealed, inlet end cover (4) are including membrane shell lid (6), directly cup joint between center tube (2) and the former pipe of intaking (3) membrane shell lid (6), and it has inlet tube (8) to go back fixed mounting in the membrane shell terminal (6) outside, outlet end cover (5) are including export support frame (9), export support frame (9) are established between center tube (2) and the former pipe of intaking (3), and fixed mounting respectively has purification water outlet pipe (10) and waste water outlet pipe (11) in outlet end cover (5) outside, purification water outlet pipe (10) and waste water outlet pipe (11) all through ring seal (20) respectively with center tube (2) and the former pipe of intaking (3) lug connection, be equipped with a plurality of filtration pore (12) on center tube (2), the inside equal fixed mounting of filtration pore (12) has granule activated carbon filtering layer (13), center tube (2) outside fixed mounting has penetrant collection layer (14), is equipped with filter membrane carrier (15) in penetrant collection layer (14) outside, and fixed mounting has choked flow pressure boost baffle (16) respectively between adjacent filter membrane carrier (15).

2. The combined filter element of a water purifier as recited in claim 1, wherein: former pipe (3) of intaking is pasting and is filtering membrane shell (1) internal surface distribution, and center tube (2) establish inside former pipe (3) of intaking, center tube (2) and former pipe (3) of intaking are cylindricly, and coincidence of both circle mandrel.

3. The combined filter element of a water purifier as recited in claim 1, wherein: the inner side of the membrane shell cover (6) is also provided with a sealing leather ring (17), and the end surface of the central tube (2) is sealed by an O-shaped sealing ring (18).

4. The combined filter element of a water purifier as recited in claim 1, wherein: a plurality of groups of support rods (19) are fixedly installed inside the outlet support frame (9), and the support rods (19) are distributed in a radial mode by taking the center of the central tube (2) as a vertex.

5. The combined filter element of a water purifier as recited in claim 1, wherein: the number of the penetrating fluid collecting layers (14) is not less than five, and each penetrating fluid collecting layer (14) is tightly attached and coated on the outer side of the central pipe (2).

6. The combined filter element of a water purifier as recited in claim 1, wherein: the number of the filter membrane carriers (15) is three, and the three-layer filter membrane carriers (15) are sequentially loaded with a PP cotton filter layer (21), an activated carbon filter layer (22) and a ceramic filter layer (7) from inside to outside.

7. The combined filter element of a water purifier as recited in claim 1, wherein: the flow-resisting and pressurizing guide plates (16) are obliquely crossed with the central pipe (2), and the oblique crossing angle is 20-45 degrees.