CN107998701A - Filter core and water purifier - Google Patents

Abstract

The invention discloses a filter element and a water purifier, wherein the filter element is used in the water purifier, comprising: a central rod, a diversion chamber is arranged inside the center rod, an opening communicating with the diversion chamber is arranged on the side of the central rod, and the center rod One end of one end is provided with a first port communicating with the diversion cavity; the filter material includes an activated carbon fiber layer, and the filter material is wound on the side of the central rod. The technical scheme of the invention enhances the structural stability of the filter element with the activated carbon fiber layer.

Description

Filters and water purifiers

technical field

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

Background technique

In the existing water purification technology, since the activated carbon fiber layer can save space and reduce the volume of the water purification system compared with the granular activated carbon, the activated carbon fiber layer is used more and more.

However, since the activated carbon fiber layer is relatively soft, it is easy to be deformed under pressure after being wound and formed by itself, which affects the water filtration performance.

Contents of the invention

The main object of the present invention is to provide a filter element aimed at improving the structural stability of the filter element with activated carbon fiber layer.

In order to achieve the above object, the filter element provided by the present invention is used in a water purifier, including:

A center rod, the inside of which is provided with a diversion chamber, the side of the center rod is provided with an opening communicating with the diversion chamber, and one end of the center rod is provided with a first opening communicating with the diversion chamber. port;

A filter material, the filter material includes an activated carbon fiber layer, and the filter material is wound on the side of the central rod.

Preferably, the activated carbon fiber layer further includes a binder through which the activated carbon fibers are connected.

Preferably, the other end of the central rod is provided with a second port communicating with the flow guiding cavity.

Preferably, the central rod is arranged in a cylindrical shape.

Preferably, the cross-sectional area of the central rod gradually increases from a position away from the first port to the first port.

Preferably, there are multiple openings, which are evenly distributed on the side surfaces of the central rod.

Preferably, there are multiple openings with the same shape, and the openings are gradually arranged from a position away from the first port to the first port.

Preferably, a limit protrusion is provided on the side of at least one end of the central rod, and the limit protrusion is used to abut against the edge of the filter material to limit the position of the filter material.

Preferably, the side of the central rod is provided with a plurality of friction protrusions abutting against the filtering surface of the filter material, and the friction protrusions are used to increase the friction force between the central rod and the filter material.

Preferably, the cross-sectional area of the opening gradually decreases from the side of the central rod to the inside of the central rod.

Preferably, a diversion groove communicating with the opening is provided on the inner wall surrounding the diversion chamber, and the groove depth of the diversion groove is gradually increased from a position far away from the opening to the opening. .

Preferably, the filter material further includes an outer filter layer wrapped outside the activated carbon fiber layer, and the outer filter layer is made of non-woven fabric or PP cotton.

Preferably, the filter material also includes a filter inner layer arranged between the central rod and the activated carbon fiber layer, and the filter inner layer is made of non-woven fabric, PP cotton, microfiltration membrane and ultrafiltration membrane. A sort of.

The present invention also provides a water purifier, comprising a filter element, the filter element comprising: a central rod, a diversion chamber is provided inside the central rod, and an opening communicating with the diversion chamber is provided on the side of the central rod, One end of the central rod is provided with a first port communicating with the guide cavity; a filter material, the filter material includes an activated carbon fiber layer, and the filter material is wound on the side of the central rod.

The technical scheme of the present invention adopts a central rod, and the filter material is wound on the side of the central rod, so that when the activated carbon fiber layer is wound on the side of the central rod, the deformation of the activated carbon fiber layer can be effectively prevented, Thereby enhancing the structural stability of the filter element with the activated carbon fiber layer, ensuring the filtering performance of the filter element; and the inside of the central rod is provided with a diversion chamber, and the side of the central rod is provided with an opening communicating with the diversion chamber, One end of the center rod is provided with a first port communicating with the flow guiding chamber. When using the filter element, the raw water is introduced from the outside of the filter element, and after being filtered by the filter material, the clean water enters the diversion cavity through the opening, and finally outputs from the first port.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained according to the structures shown in these drawings without creative effort.

Fig. 1 is the structural representation of an embodiment of filter element of the present invention;

Fig. 2 is a sectional view of the filter element shown in Fig. 1 along the direction A-A;

Fig. 3 is a partial enlarged view of place C in Fig. 2;

Fig. 4 is a cross-sectional view of the filter element shown in Fig. 1 along the B-B direction;

Fig. 5 is the front view of another embodiment of filter element of the present invention;

Fig. 6 is a partial cross-sectional view of another embodiment of the filter element of the present invention.

Explanation of reference numbers:

label name label name 10 center pole 11 first port 12 to open 13 Diversion cavity 14 friction bump

The realization of the purpose of the present invention, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

It should be noted that if there is a directional indication (such as up, down, left, right, front, back...) in the embodiment of the present invention, it is only used to explain the relative positional relationship between the components in a certain posture , sports conditions, etc., if the specific posture changes, the directional indication also changes accordingly.

In addition, if the descriptions of "first", "second", etc. are involved in the present invention, they are only used for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly indicating the indicated technical features. quantity. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In addition, the technical solutions of the various embodiments can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist , nor within the scope of protection required by the present invention.

The invention provides a filter element for a water purifier.

Filter element among the present invention comprises central rod 10 and filter material; As shown in Figure 1 to Figure 4, central rod 10 inside is provided with diversion chamber 13, and the side of central rod 10 is provided with the opening 12 that communicates with diversion chamber 13, One end of the central rod 10 is provided with a first port 11 communicating with the guide cavity 13 ; the filter material includes an activated carbon fiber layer, and the filter material is wound on the side of the central rod 10 .

Usually, because the thickness of the activated carbon fiber layer for water filtration is generally relatively thin, about 2 mm, the structure of the activated carbon fiber layer itself is very unstable after being wound and formed. For this reason, the filter element of the present invention includes a central rod 10. It is easy to think that the structure of the central rod 10 in the present invention should have a certain hardness to support the filter material and prevent the filter material from being deformed under pressure. In this way, when the activated carbon fiber layer is wound on the side of the central rod 10, the deformation of the activated carbon fiber layer can be effectively prevented, thereby enhancing the structural stability of the filter element with the activated carbon fiber layer and ensuring the filtration performance of the filter element.

Wherein, the inside of the center rod 10 in the present invention is provided with a diversion chamber 13, the side of the center rod 10 is provided with an opening 12 communicating with the diversion chamber 13, and one end of the center rod 10 is provided with a first port communicating with the diversion chamber 13. One port 11. When using the filter element, the raw water is introduced from the outside of the filter element, and after being filtered by the filter material, the clean water enters the diversion chamber 13 from the opening 12 and finally outputs from the first port 11 .

Of course, the other end of the center rod 10 can also be provided with a second port communicating with the diversion cavity 13, so that the manufacture and processing of the center rod 10 can be facilitated. Specifically, a longer support rod is generally cut It is a plurality of center rods; usually after the filter material is wound on the center rod 10, end caps need to be set at both ends of the center rod 10, the end caps include a sealing end cap and a water outlet end cap, the water outlet end cap is generally connected with The water outlet pipe is connected to lead the clean water out for the user.

Preferably, as shown in Figure 1, the central rod 10 in the present invention is set to be cylindrically arranged, and this structure not only facilitates the manufacture of the central rod 10, but also facilitates winding of the filter material on the central rod 10; at the same time, The structure also has strong stability. In other embodiments of the present invention, it is also possible to set the central rod to be a rectangular body or other irregular structures.

When the first port 11 is set as the water outlet, since the use frequency of the filter material near the water outlet is higher, in order to enhance the service life of the filter material near the water outlet, as shown in Figure 5, the cross section of the central rod 10 is set The area is gradually increased from the position away from the first port 11 to the first port 11. In this way, the area of the filter material wound near the water outlet is increased, which is equivalent to increasing the filtration capacity of the filter material near the water outlet. Area, the filter material near the water outlet can filter more water, thereby prolonging the service life of the filter material near the water outlet.

Usually, as shown in Figure 1 and Figure 2, there are multiple openings 12 in the central rod 10 in the present invention, so that clean water enters the diversion cavity 13; in order to facilitate the manufacture of the central rod 10, multiple openings 12 can be provided Evenly distributed on the side of the center rod 10, at the same time, this structure can also ensure that the structure of the center rod 10 has a uniform strength, so as to provide stronger support for the filter material.

Considering that the water flow near the water outlet in the filter element is relatively large, that is, more raw water enters the water outlet after being filtered by the filter material at the water outlet. For this reason, in order to meet the large flow demand at the water outlet, when the first port 11 is set as the water outlet, a plurality of openings 12 are provided with the same shape, and the openings 12 are from a position far away from the first port 11 to the first port 11. The settings are gradually denser. In this way, the total area of the opening 12 near the water outlet is increased, thereby increasing the water passing capacity near the water outlet.

Usually, the filter material is wound on the central rod 10. In order to prevent the filter material from shifting when the filter material is wound, at least one side of the central rod 10 is provided with a limit protrusion. It is used to abut against the edge of the filter material to limit the position of the filter material. In this way, the accuracy of the filter material being wound on the central rod 10 can be ensured. Certainly, it is preferable to set the side faces of both ends of the central rod 10 to be provided with limit projections, so that the distance between the two fiber projections can be set to be the width of the filter material, thereby further ensuring the accuracy of the filter material winding . Specifically, the position-limiting protrusion can be set in a ring shape, so as to enhance the position-limiting effect of the position-limiting protrusion.

In order to enhance the stability of the filter material wound around the central rod 10 and prevent the filter material from shifting, the side of the central rod 10 is provided with a plurality of friction protrusions 14 abutting against the filter surface of the filter material, as shown in Figure 6 Show. Specifically, the friction protrusion 14 can be configured as a rectangular body, a strip structure, a ring structure and a spherical structure; at the same time, the size of the protrusion should be adapted to the size of the central rod 10, and excessive protrusion should be avoided. Large, and the structure of the filter material is greatly deformed.

Since the opening 12 is provided on the side of the central rod 10, the overall strength of the structure of the central rod 10 will inevitably be reduced. For this reason, the cross-sectional area of the opening 12 can be set to gradually decrease along the side of the central rod 10 to the inside of the central rod 10. Settings, as shown in Figure 6. Moreover, through this setting, the water entering the diversion cavity 13 from the opening 12 has a relatively high flow velocity when entering the diversion cavity 13, which can provide a certain pressure for the outlet water to facilitate the discharge of clean water. .

In order to facilitate the flow of clean water from the opening 12 into the diversion chamber 13, a diversion groove connected to the opening 12 is provided on the inner wall surface surrounding the diversion chamber 13, and the groove depth of the diversion groove is from a position far away from the opening 12 to the opening. The 12 locations are set gradually larger, so that the flow of clean water can be facilitated and the smooth flow of the entire waterway can be ensured.

In order to prevent granular impurities from blocking the activated carbon fiber filter layer, the filter material in the present invention is set to also include an outer filter layer wrapped around the activated carbon fiber layer, and the aperture of the through hole in the filter outer layer is larger than the aperture in the activated carbon fiber layer . Preferably, the filter outer layer can be set to be non-woven fabric or PP cotton.

Further, the filter material among the present invention also includes the filter inner layer that is arranged between the central rod 10 and the activated carbon fiber layer, preferably, the aperture of the through hole of the filter inner layer is set to be smaller than the aperture in the activated carbon fiber layer, such as setting The filter inner layer is one of non-woven fabric, PP cotton, microfiltration membrane and ultrafiltration membrane. In this way, the filter inner layer can filter germs and microorganisms in water and improve the filtration performance of the filter element. At this point, the filter element can be made into a simple water purifier, and the water filtered by the water purifier can be directly used as domestic water.

The present invention also proposes a water purifier, which includes the aforementioned filter element. For the specific structure of the filter element, refer to the above-mentioned embodiments. Since the water purifier adopts all the technical solutions of the above-mentioned embodiments, it at least has all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, and will not repeat them here.

The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Under the inventive concept of the present invention, the equivalent structural transformation made by using the description of the present invention and the contents of the accompanying drawings, or directly/indirectly used in other All relevant technical fields are included in the patent protection scope of the present invention.

Claims (13)

1. A kind of 1. filter core, for water purifier, it is characterised in that including：

   Center-pole, the center-pole are internally provided with diversion cavity, and the side of the center-pole is equipped with opens with what the diversion cavity connected Mouthful, one end of the center-pole is equipped with the first port connected with the diversion cavity；

   Filter material, the filter material include activated carbon fiber layers, and the filter material is wound on the side of the center-pole.
2. 2. filter core as claimed in claim 1, the other end of the center-pole is equipped with the second port connected with the diversion cavity.
3. 3. filter core as claimed in claim 1, it is characterised in that the center-pole is set in cylinder.
4. 4. filter core as claimed in claim 1, it is characterised in that the cross-sectional area of the center-pole is from away from the first port Position to the first port at be in gradually big setting.
5. 5. filter core as claimed in claim 1, it is characterised in that the opening is equipped with multiple, and is uniformly distributed in the center On the side of bar.
6. 6. filter core as claimed in claim 1, it is characterised in that it is described opening be equipped with multiple and shape it is identical, it is described opening from It is in gradually close setting at position to the first port away from the first port.
7. 7. filter core as claimed in claim 1, it is characterised in that be equipped with the side of at least one end of the center-pole spacing Protrusion, the limit protrusion is used to abut with the edge of the filter material, to limit the position of the filter material.
8. 8. filter core as claimed in claim 1, it is characterised in that the side of the center-pole is equipped with the filtering surface with the filter material The multiple friction protrusions abutted, the friction protrusion are used for the frictional force for increasing the center-pole and the filter material.
9. 9. filter core as claimed in claim 1, it is characterised in that the cross-sectional area of the opening along the side of the center-pole extremely The inside of the center-pole is in gradually small setting.
10. 10. filter core as claimed in claim 1, it is characterised in that surround the diversion cavity internal face be equipped with opened with described The diversion trench of mouth connection, position to the opening of groove depth from the remote opening of the diversion trench is in gradually big setting.
11. 11. the filter core as any one of claims 1 to 10, it is characterised in that the filter material further include be wrapped in it is described Filtration outer layer on the outside of activated carbon fiber layers, the filtration outer layer are non-woven fabrics or PP cottons.
12. 12. filter core as claimed in claim 11, it is characterised in that the filter material is further included arranged on the center-pole and the work Property Carbon fibe layer between filtering internal layer, it is described filtering internal layer be non-woven fabrics, PP cottons, microfiltration membranes and ultrafiltration membrane in one kind.
13. 13. a kind of water purifier, it is characterised in that including the filter core as any one of claim 1 to 12.