CN206965536U - Filter element cleaning structure and water purifier filter element having same - Google Patents

Abstract

The utility model discloses a filter core washs structure and has its purifier filter core. The filter element comprises a filter bottle and a filter element inner core arranged in the filter bottle, the filter element inner core comprises a filter material, wherein the filter element cleaning structure comprises a flushing pipe, the flushing pipe is fixed in the filter bottle, a water spray hole is formed in the flushing pipe, the inner cavity of the flushing pipe is communicated with the outer side of the filter bottle, and the flushing pipe extends into the filter material of the filter element inner core in an installation state. The utility model discloses a filter core washs when the structure installation is in corresponding filter core, when pouring into the water of certain pressure in the flushing pipe outside from the filter flask, water can be through the hole for water spraying blowout, washes the filter media, washes the dirt on the filter media surface to effectively prolong the life of filter core.

Description

Filter element cleaning structure and water purifier filter element having same

technical field

The utility model relates to the technical field of water treatment, in particular to a filter core cleaning structure. The utility model still relates to a water purifier filter element with the filter element cleaning structure.

Background technique

After the water purifier has been used for a period of time, when there are too many impurities accumulated on the surface of the filter material, the filter element will be clogged, and the water production will drop significantly. Users usually need to replace the filter element to use the water purifier normally. It has always been a painful problem that the filter element of the water purifier cannot be recycled, which not only increases the production cost, but also increases the user's use cost. If the filter element can be effectively cleaned after the filter element is clogged, the water production rate can be significantly increased, which can prolong the service life of the filter element. However, most of the filter elements in the prior art cannot be cleaned, and even if a small part of the filter elements can be cleaned, the cleaning effect is often not good, which has little significance for prolonging the service life of the filter elements.

Utility model content

Based on the above situation, the main purpose of this utility model is to provide a filter element cleaning structure, which can effectively wash the filter material in the filter element, thereby prolonging the service life of the corresponding filter element and reducing the use cost of the water purifier.

In order to achieve the above object, the technical scheme adopted by the utility model is as follows:

A filter element cleaning structure, the filter element includes a filter bottle and a filter element inner core arranged in the filter bottle, the filter element inner core includes a filter material, wherein the filter element cleaning structure includes a flushing pipe, and the flushing pipe is fixed In the inside of the filter bottle, the flushing pipe is provided with water spray holes, and the inner cavity of the flushing pipe communicates with the outside of the filter bottle. In the installed state, the flushing pipe extends into the filter element The inside of the filter material of the core.

Preferably, the flushing pipe is located at the radial center of the filter bottle.

Preferably, the flushing pipe is integrally formed with the bottom of the filter bottle, or the flushing pipe is installed to the bottom of the filter bottle.

Preferably, a flushing water joint is also included, and the flushing water joint is fixedly connected to the outside of the filter bottle and communicated with the flushing pipe for introducing flushing water into the flushing pipe.

Preferably, the flushing joint is fixed to the outside of the filter bottle via a threaded connection structure; or, the filter bottle is provided with an outwardly protruding joint pipe, and the flushing joint is connected to the joint pipe.

Preferably, a blocking member or a switch member is provided at the flush water joint.

Preferably, one end of the inlet of the flushing joint is provided with a quick connection interface.

Preferably, the side wall of the flushing pipe is provided with multiple rows of water spray holes in the axial direction; and/or, the diameter of the water spray holes decreases gradually in the water spray direction.

Preferably, in an installed state, the free end of the flushing pipe extends to the inner top of the inner core of the filter element.

Another purpose of the present utility model is to provide a water purifier filter element, the specific technical scheme is as follows:

A filter element for a water purifier, comprising a filter bottle and an inner core of the filter element arranged in the filter bottle, and also includes the aforementioned filter element cleaning structure, the flushing pipe of the filter element cleaning structure is fixed inside the filter bottle, and Extend into the inside of the filter material of the inner core of the filter element.

Preferably, the inner core of the filter element includes an inner core end, a membrane thread fixed by the inner core end, and a membrane shell connected with the inner core end and located on the periphery of the membrane thread.

Preferably, the other end of the flushing pipe extends into the inner core end and is supported and limited by the inner core end.

When the filter element cleaning structure of the present utility model is installed in the corresponding filter element, the flushing pipe is located inside the filter bottle and extends into the inner core of the filter element, and is located in the gap of the filter material. When a certain pressure of water is injected, the water can be sprayed out through the water spray hole to wash the filter material and remove the dirt on the surface of the filter material, thereby effectively prolonging the service life of the filter element.

Description of drawings

Preferred implementations of the filter element cleaning structure and the filter element of the water purifier according to the present invention will be described below with reference to the accompanying drawings. In the picture:

Fig. 1 is an exploded view of the main components of a water purifier filter element according to a preferred embodiment of the present invention;

Fig. 2 is a schematic front view of the filter element of the water purifier in Fig. 1 in an assembled state;

Fig. 3 is the main sectional schematic diagram of the water purifier filter element of Fig. 2;

FIG. 4 is a schematic diagram of the shape and structure of the filter element of the water purifier shown in FIG. 2 .

Detailed ways

According to the first aspect of the utility model, considering the problem of cleaning the filter material of the filter element of the water purifier, a filter element cleaning structure is provided, so that the filter material (such as membrane silk) in the filter element can be cleaned without disassembling the filter element. Effective cleaning is performed regardless of whether the filter elements using the filter element cleaning structure are detachable or non-detachable.

As shown in Figure 1, the filter element of the water purifier involved in the utility model comprises a filter bottle 1 and a filter core 2 arranged in the filter bottle 1, the filter bottle 1 is, for example, a cylindrical structure, and the filter core 2 is provided with There are filter materials, such as clustered membrane filaments 21 (see Fig. 3), preferably ultrafiltration membrane filaments, these membrane filaments 21 are placed side by side and densely inside the filter element inner core 2, and the filter element inner core 2 for example comprises an inner core end 22 and a membrane shell 23, the membrane wire 21 is fixed by the inner core end 22, the membrane shell 23 is connected to the inner core end 22 and is sleeved on the periphery of the membrane wire 21, and the membrane shell 23 simultaneously protects the membrane wire 21 role. The filter element of the water purifier of the present utility model can be a detachable structure, that is, the filter core 2 can be taken out from the filter bottle 1, or a non-detachable structure, that is, the filter core 2 cannot be taken out from the filter bottle 1.

As shown in Fig. 1 and Fig. 3, a kind of filter element cleaning structure that the utility model proposes comprises flushing pipe 3, and described flushing pipe 3 is fixed in the inside of described filter bottle 1, is preferably fixed by the bottom of filter bottle 1, so The flushing pipe 3 is provided with a water spray hole 31, and the inner cavity of the flushing pipe 3 communicates with the outside of the filter bottle 1, for example, communicates with the outside through the bottom of the filter bottle 1, and the filter element cleaning structure is installed on the filter element In the middle state, the flushing pipe 3 extends into the inner core 2 of the filter element, for example, into the gap of the membrane filament 21 .

When the filter element cleaning structure of the present utility model was installed in the corresponding filter element, the flushing pipe 3 stretched into the inside of the filter element inner core 2, so when injecting a certain pressure of water (preferably high-pressure water) into the flushing pipe 2 from the outside of the filter element ), water can be sprayed out through the water spray hole 31, and the filter material (such as the membrane wire 21) in the filter element inner core 2 is washed, and the dirt on the surface of the filter material can be washed away under an appropriate water spray pressure , thereby effectively prolonging the service life of the filter element.

Preferably, the flushing pipe 3 is located at the center of the filter bottle 1 , as shown in FIG. 1 and FIG. 3 . In this way, in the installed state, the flushing pipe 3 can be inserted into the center of the inner core 2 of the filter element, so that the flushing of the internal filter material can be achieved relatively uniformly. For example, in the embodiment shown in Figure 3, the clustered membrane filaments 21 are fixed on the inner core end 22, and the flushing pipe 3 is inserted into the filter element inner core 2 from the central position, which can ensure that the membrane filaments 21 on the periphery of the flushing pipe 3 are The amount is relatively uniform, so that even flushing can be achieved.

Preferably, the flushing pipe 3 and the bottom of the filter bottle 1 are integrally formed, thereby reducing the corresponding assembly workload, and at the same time, it is easy to ensure the relative positional relationship between the two, and more importantly, it can also be reliably To ensure that the joint between the two will not leak.

Alternatively, the flushing pipe 3 can also be installed to the bottom of the filter bottle 1 . For this reason, a corresponding mating connection structure, such as a buckle connection structure or a screw connection structure, can be provided at the bottom of the filter bottle 1 and the bottom end of the flushing tube 3, so as to realize the connection and fixation between the two. Of course, when connecting and fixing, necessary sealing means (such as sealing rings, etc.) can be used to ensure the sealing of the connecting position and avoid leakage.

Preferably, as shown in Figures 1-4, the filter element cleaning structure of the present invention may also include a flushing joint 4, which is used to be fixedly connected to the outside of the filter bottle 1, and is connected with the flushing The pipe 3 communicates and is used for introducing flushing water into the flushing pipe 3 . The free end (that is, the inlet end) of the flushing connector 4 can be used to connect to a flushing water source (preferably a high-pressure water source, such as a booster pump, etc.), thereby facilitating the connection process between the filter element and the flushing water source, and facilitating the user to perform flushing operations.

Preferably, as shown in Figures 1 and 3, the flushing joint 4 is fixed to the outside of the filter bottle 1 through a threaded connection structure, such as being fixed on the outside of the bottom surface of the filter bottle 1, and the inside of the flushing joint 4 is connected to the flushing The lumens of the tubes 3 communicate directly. Alternatively, the filter bottle 1 may also be provided with an outwardly protruding joint pipe (not shown), which is, for example, integrally formed with the filter bottle 1 and communicated with the internal flushing pipe 3 so that the flushing water The joint 4 can be connected and fixed with the filter bottle 1 by being connected to the joint pipe.

Preferably, the flushing joint 4 is provided with a blocking piece or a switch piece (not shown), and during the normal operation of the filter element, that is, when the filter element does not need to be flushed, the plugging piece or the switch piece can be Close the flush water connector 4 to avoid water leakage. And when the filter core needs to be flushed, the plugging part can be removed or the switch part can be opened, so that the flushing water can enter the flushing pipe 3 smoothly.

Preferably, one end of the inlet of the flushing water joint 4 is provided with a quick connection interface, so that pipes such as PE pipes can be quickly inserted into the flushing water joint 4 when a flushing water source needs to be connected, so as to start the flushing process quickly.

Preferably, the side wall of the flushing pipe 3 is axially provided with multiple columns of water spray holes 31, and the multiple columns of water spray holes 31 are preferably uniformly arranged in the circumferential direction. At the same time, each column of water spray holes 31 includes, for example, A plurality of spray holes 31, as shown in Figure 3. In this way, during specific flushing, water can be sprayed within the length of the flushing pipe 3 and within a range of 360 degrees, so that the filter material can be flushed in as large a range as possible to enhance the flushing effect.

Preferably, the aperture of the water spray hole 31 gradually decreases in the water spray direction, thereby achieving a pressurized effect during the water spray flushing process, increasing the pressure difference on the surface of the filter material during flushing, and more powerfully Removes pollution and impurities, further improving the flushing effect.

The upper end (ie the free end) of the flushing pipe 3 may be a closed end, or a blocking structure may be provided near the upper end to prevent a large amount of flushing water from directly spraying out from the upper end.

Preferably, as shown in FIG. 3 , at least a part of the multi-row water spray holes 31 is arranged in a ring on the side wall of the flushing pipe, and a group of water spray holes 31 arranged in a ring can be arranged on the same height around each Direction at the same time spray water, washing effect is better.

Preferably, in the installed state, the free end of the flushing pipe 3 extends to the inner top of the inner core 2 of the filter element, so that the top structure of the inner core 2 of the filter element can be used to support and limit, improve structural stability, and avoid The flushing pipe 3 shakes or rubs against the filter material.

On the basis of the above work, the second aspect of the utility model also provides a water purifier filter element, as shown in Figure 1-4, which includes a filter bottle 1 and a filter element inner core arranged in the filter bottle 1 2, and also includes the filter element cleaning structure described above in the utility model, the flushing pipe 3 of the filter element cleaning structure is fixed inside the filter bottle 1, preferably fixed on the bottom surface of the filter bottle 1, and extends into the filter element The inside of the filter material of the inner core 2.

Preferably, the filter element inner core 2 includes an inner core end 22, a membrane wire 21 fixed by the inner core end 22, and a membrane connected to the inner core end 22 and located on the periphery of the membrane wire 21 shell23.

Preferably, the free end of the flushing pipe 3 extends into the inner core end 22 and is supported and limited by the inner core end 22 . Correspondingly, a limiting hole may be preset in the inner core end 22 to accommodate the free end of the flushing tube 3 .

Preferably, the membrane filament 21 is an ultrafiltration membrane filament.

As shown in Figure 1-3, the filter element of the water purifier of the present invention includes a water purification outlet 24 and a water inlet 25. When the filter element is working normally, the raw water enters the filter element through the water inlet 25, and the filtered water is purified. The water outlet 24 flows out. When flushing, the flushing water enters through the flushing water inlet (i.e. the water inlet at the flushing joint 4 position), sprays out through the water spray hole on the flushing pipe 3, flushes the surface of the filter material, and the pollutants are washed down and taken away. Wash away through the flushing outlet (ie water inlet 25) at last.

The filter element of the water purifier of the utility model can conveniently realize the flushing of the internal filter material, so that the service life of the filter element can be extended, and thus the use cost of the water purifier can be correspondingly reduced. Specifically, after the water purifier has been working for a period of time, the entire filter bottle can be lifted out of the water purifier without any disassembly work, as long as the flushing water source is connected, the cleaning work can be carried out, and since it is flushed from the inside , the flushing effect is better.

Those skilled in the art can easily understand that, on the premise of no conflict, the above-mentioned preferred solutions can be freely combined and superimposed.

It should be understood that the above-mentioned implementations are only exemplary rather than restrictive, and those skilled in the art can make various obvious or equivalent solutions to the above-mentioned details without departing from the basic principles of the present utility model. All modifications or replacements will be included in the scope of the claims of the present utility model.

Claims (12)

1. a kind of filter element cleaning structure, the filter core includes filter flask and the inner core of filter element being arranged in the filter flask, the filter core Inner core includes filter material, it is characterised in that the filter element cleaning structure includes flush pipe, and the flush pipe is fixed on the filter flask Inside, hole for water spraying is provided with the flush pipe, the inner chamber of the flush pipe on the outside of the filter flask with communicating, in installment state Under, the flush pipe stretches into the inside of the filter material of the inner core of filter element.

2. filter element cleaning structure according to claim 1, it is characterised in that the flush pipe is located at the radial direction of the filter flask Center position.

3. filter element cleaning structure according to claim 1, it is characterised in that the flush pipe and the bottom of the filter flask are Integrated formed structure, or, the flush pipe is attached to the bottom of the filter flask.

4. filter element cleaning structure according to claim 1, it is characterised in that also include bath joint, the bath joint The outside of the filter flask is fixedly attached to, and is connected with the flush pipe, for introducing flushing water into the flush pipe.

5. filter element cleaning structure according to claim 4, it is characterised in that the bath joint is consolidated through screw connection structure The fixed outside to the filter flask；Or the filter flask is provided with outstanding junction block, the bath joint is connected to described Junction block.

6. filter element cleaning structure according to claim 4, it is characterised in that the bath joint is provided with closeouts or opened Close part.

7. filter element cleaning structure according to claim 4, it is characterised in that entrance one end of the bath joint is provided with Fast connection interface.

8. the filter element cleaning structure according to one of claim 1-7, it is characterised in that along axle in the side wall of the flush pipe To being provided with multiple row hole for water spraying；And/or the aperture of the hole for water spraying is gradually reduced on water spraying direction.

9. the filter element cleaning structure according to one of claim 1-7, it is characterised in that in the mounted state, the flushing The free end of pipe extends to the inside top of the inner core of filter element.

10. a kind of water purifier filter core, including filter flask and the inner core of filter element that is arranged in the filter flask, it is characterised in that also include Filter element cleaning structure according to one of claim 1-9, the flush pipe of the filter element cleaning structure are fixed on the filter flask Inside, and stretch into the inside of the filter material of the inner core of filter element.

11. water purifier filter core according to claim 10, it is characterised in that the inner core of filter element include inner core termination, by Film wire that the inner core termination is fixed and be connected with the inner core termination and positioned at the peripheral putamina of the film wire.

12. water purifier filter core according to claim 11, it is characterised in that the end of the flush pipe is extended in described Supported inside core termination and by the inner core termination spacing.