CN212640127U - Filter plug, filter element and water purifying equipment - Google Patents

Abstract

The utility model belongs to the technical field of filtration equipment, especially, relate to a filter plug, filter element and water purification unit, filter plug is including setting up the support in outlet pipe to and be fixed in the body of straining on the support, the support has along its axial through-hole that link up, the tip periphery of through-hole one end is sealed with the inner wall of outlet pipe, and strains the body cover the other end of through-hole. The water in the water outlet pipe is filtered by the filter body and flows out from the through hole along the water outlet pipe, and the periphery of the end part of one end of the through hole is sealed with the inner wall of the water outlet pipe, so that most of the water can only pass through the filter plug by the filter body. So, the filter body can carry out the efficient filtering to the particle impurity in the rivers to can effectively prevent particle impurity to flow to the external world via the outlet pipe, and then can show and reduce the particulate matter content in flowing to external water liquid via the outlet pipe, just so show the filter capacity who has promoted the filter element, also show simultaneously and improved the user product experience of the water purification unit who has the filter element.

Description

Filter plug, filter element and water purifying equipment

Technical Field

The application belongs to the technical field of filtration equipment, especially relates to a strain stopper, filter core and water purification unit.

Background

In recent years, with the progress of technology and the increasing demand of people for water quality, water purification devices have become popular for use in homes and businesses. The water purifying equipment mainly realizes the filtration of water through a filter element arranged in the water purifying equipment.

Among the prior art, water purification unit's filter core can the filtering most impurity at the during operation for water purification unit purifies the water of accomplishing and reaches and drinks or the service standard. However, the particulate matters such as activated carbon particles in the filter element easily flow out along the water outlet pipe of the filter element under the impact action of water flow, so that the water flowing out from the water purifying equipment contains the particulate matters visible to naked eyes, and the user product experience of the water purifying equipment is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the application is to provide a filter plug, filter element and water purification unit, aims at solving the water purification unit's among the prior art particulate matter in the filter element and flows along the outlet pipe of filter element easily, and then reduces water purification unit's user product experience's technical problem.

In order to achieve the purpose, the technical scheme adopted by the application is as follows:

in a first aspect: the filter plug comprises a support arranged in the water outlet pipe and a filter body fixed on the support, wherein the support is provided with a through hole which penetrates through the support along the axial direction of the support, the periphery of the end part of one end of the through hole is sealed with the inner wall of the water outlet pipe, and the filter body covers the other end of the through hole.

Optionally, the support includes a fixed end and a connection end extending axially from one end of the fixed end, the through hole penetrates through the fixed end and the connection end, the periphery of the fixed end is sealed with the inner wall of the water outlet pipe, and the filter body is connected to the connection end.

Optionally, the outer wall of stiff end orientation and/or dorsad the rivers direction in the outlet pipe is the cliff side, just stiff end orientation and dorsad the intersection of the both sides outer wall of rivers direction be formed with the arc portion that the inner wall looks butt of outlet pipe.

Optionally, a counter sink hole communicated with the through hole is formed in an end face of the fixed end, which faces away from the water flow direction, and the aperture of the counter sink hole is larger than that of the through hole.

Optionally, the filter body includes at least two filter layers stacked one on another, each filter layer is hermetically disposed on an end surface of one side of the connecting end opposite to the fixing end and covers the through hole, and the filter mesh number of each filter layer increases progressively from the outer layer to the inner layer of the filter body.

Optionally, each filter layer is flatly laid and hermetically arranged on the end surface of one side of the connecting end, which is back to the fixed end;

or each filtering layer is arranged on one side end face, back to the fixed end, of the connecting end in a sealing mode in a middle swelling mode, and the swelling direction of each filtering layer is opposite to the water flow direction.

Optionally, the support further includes two support ribs, two support ribs are respectively disposed on two opposite side edges of a side end face of the connecting end facing away from the fixing end, each filter layer is disposed on a side end face of the connecting end facing away from the fixing end in a pointed tower shape, and two support ribs are respectively connected to outer walls of two opposite sides of the filter layer.

Optionally, the filter body comprises a first filter layer, a second filter layer and a third filter layer which are sequentially stacked from an outer layer to an inner layer, the first filter layer, the second filter layer and the third filter layer are hermetically arranged on the end face of one side of the connecting end, which faces away from the fixed end, the filter mesh number of the first filter layer is 10-100 meshes, the filter mesh number of the second filter layer is 200-300 meshes, and the filter mesh number of the third filter layer is 300-400 meshes.

The embodiment of the application has at least the following beneficial effects: the filter plug that this application embodiment provided is applied to in the filter core, and the filter plug is including setting up the support in the play water pipe of filter core to and be fixed in the filter body on the support. When the filter plug works, water in the water outlet pipe can be filtered by the filter body covering one end of the through hole of the support, and flows out along the water outlet pipe from the through hole formed in the support, and the periphery of the end part of one end of the through hole is sealed with the inner wall of the water outlet pipe, so that most of water can only pass through the filter plug through the filter body. So, the filter body can carry out the efficient filtering to the particle impurity in the rivers to can effectively prevent particle impurity to flow to the external world via the outlet pipe, and then can show and reduce the particulate matter content in flowing to external water liquid via the outlet pipe, just so show the filter capacity who has promoted the filter element, also show simultaneously and improved the user product experience of the water purification unit who has the filter element.

In a second aspect: the utility model provides a filter element, includes the filter core body, this internal outlet pipe that is formed with of filter core, be provided with foretell filter plug in the outlet pipe.

The filter element that this application embodiment provided is provided with foretell stopper of straining in the outlet pipe of its filter core body, because foretell stopper of straining can realize the effective filtration to the granule impurity in the outlet pipe, has just so also promoted the whole filtering quality of filter element.

In a third aspect: provides a water purifying device, which comprises the filter element.

The water purification unit that this application embodiment provided, owing to filter the core including foretell, and the aforesaid is filtered the core and can realize promoting its whole filtration performance to the effective filtration of particulate matter through the filter plug that is provided with in it, so also showing the whole water purification performance who has the water purification unit of the aforesaid filter core that has promoted.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic view of an assembly structure of a filter element and a filter plug provided by an embodiment of the present application;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a first schematic structural diagram of a filter plug according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a filter plug according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of a filter plug provided in the embodiment of the present application;

FIG. 6 is a cross-sectional view taken along line B-B of FIG. 5;

FIG. 7 is a schematic view of an alternative angular configuration of the plug of FIG. 5 according to an embodiment of the present disclosure;

fig. 8 is a sectional view taken along line C-C in fig. 7.

Wherein, in the figures, the respective reference numerals:

10-filter plug 11-support 12-filter body

13-through hole 14-fixed end 15-connecting end

16-supporting rib 17-water passing space 20-filter element

21 water outlet pipe 121, first filter layer 122 and second filter layer

123-third filter layer 141-inclined wall 142-arc part

143 — counter sink holes.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-8 are exemplary and intended to be used to illustrate the present application and should not be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is for convenience and simplicity of description, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, is not to be considered as limiting.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

As shown in fig. 1 to 3, the present application provides a filter plug 10, a filter element 20 and a water purifying apparatus, wherein the filter plug 10 is applied in the filter element 20, and the filter element 20 is applied in the water purifying apparatus. Wherein, a water outlet pipe 21 is formed in the filter element 20. Specifically, the filter element 20 includes a filter element body, and the water outlet pipe 21 is formed in the filter element body.

Specifically, the filter plug 10 includes a support 11 disposed in the water outlet pipe 21, and a filter body 12 fixed on the support 11, wherein the support 11 supports the filter body 12, and the filter body 12 is used for filtering particulate impurities flowing through the water outlet pipe 21.

Specifically, the projection of the filter body 12 along the axial direction of the outlet pipe 21 can at least cover the section of the outlet pipe 21 along the radial direction thereof, so that the filter surface corresponding to the filter body 12 covers the section of the outlet pipe 21 along the radial direction thereof, so that the water flows out of the outlet pipe 21 through the filter of the filter plug 10 in the outlet pipe 21, and the particles entrained in the water flow can be effectively filtered by the filter body 12 of the filter plug 10.

More specifically, the holder 11 has a through hole 13 penetrating along an axial direction thereof, an end periphery of one end of the through hole 13 is sealed with an inner wall of the outlet pipe 21, and the filter 12 covers the other end of the through hole 13.

The filter plug 10 provided in the examples of the present application is further described below: the filter plug 10 provided by the embodiment of the application is applied to the filter element 20, and the filter plug 10 includes a support 11 disposed in the water outlet pipe 21 of the filter element 20, and a filter body 12 fixed on the support 11. When the filter plug 10 works, the water in the water outlet pipe 21 can be filtered by the filter body 12 covering one end of the through hole 13 of the support 11 and flows out along the water outlet pipe 21 from the through hole 13, and the periphery of the end part of the support 11 at one end of the through hole 13 is sealed with the inner wall of the water outlet pipe 21, so that most of the water can only pass through the filter plug 10 through the filter body 12. So, strain body 12 and can carry out the efficient filtering to the particulate impurity in the rivers to can effectively prevent particulate impurity to flow to the external world via outlet pipe 21, and then can show to reduce and flow to the particulate matter content in the external water liquid via outlet pipe 21, just so showing the filter capacity who has promoted filter element 20, also showing simultaneously and improving the user product experience that has the water purification unit who filters element 20.

The filter element 20 provided by the embodiment of the application, because the filter plug 10 is arranged in the water outlet pipe 21 in the filter element body, the filter plug 10 can effectively filter particle impurities in the water outlet pipe 21, so that the overall filtering performance of the filter element 20 is also improved.

The water purification unit that this application embodiment provided, owing to including foretell filter core 20, and above-mentioned filter core 20 can realize promoting its whole filtration performance to the effective filtration of particulate matter through the filter plug 10 that is provided with in it, so also showing the whole water purification performance who has the water purification unit of above-mentioned filter core 20.

In other embodiments of the present application, as shown in the drawings, the bracket 11 includes a fixed end 14 and a connection end 15 extending from one end of the fixed end 14 along an axial direction thereof, and the through hole 13 penetrates the fixed end 14 and the connection end 15, that is, the through hole 13 communicates with the water outlet pipe 21, and the two penetrating ends correspond to the fixed end 14 and the connection end 15 respectively. The periphery of the fixed end 14 is sealed with the inner wall of the water outlet pipe 21, and the filter body 12 is connected with the connecting end 15.

Specifically, the periphery of the fixed end 14 abuts against the inner wall of the water outlet pipe 21, and the width of the gap between the periphery of the fixed end 14 and the inner wall of the water outlet pipe 21 is smaller than or equal to the diameter of the filtering pores of the filter body 12. Even if a very small amount of water can pass through the gap, the particle impurities wrapped in the water cannot pass through the gap, so that the periphery of the fixed end 14 is sealed with the inner wall of the water outlet pipe 21. Alternatively, the periphery of the fixed end 14 may be sealed by waterproof glue and the inner wall of the water outlet pipe 21.

Alternatively, the filter body 12 may be connected to the connection end 15 by a clip connection or a crimp connection. The filter body 12 is connected with the connecting end 15 in a clamping connection mode, and the filter body 12 can be detachably connected with the bracket 11, so that the filter body 12 is convenient to disassemble and replace. By pressing the filter body 12 against the connection end 15, the filter body 12 can be stably connected to the connection end 15, thereby improving the connection stability with the bracket 11.

In other embodiments of the present application, as shown in fig. 3 to 5, an outer wall of the fixed end 14 facing and/or facing away from the water flow direction in the water outlet pipe is an inclined wall 141, and an arc-shaped portion 142 abutting against an inner wall of the water outlet pipe is formed at a junction of outer walls of two sides of the fixed end 14 facing and facing away from the water flow direction.

In particular, by designing the outer wall of the fixed end 14 facing towards and/or facing away from the direction of water flow in the outlet pipe as an inclined wall 141, the presence of the inclined wall 141 on the one hand serves as a mounting guide when the bracket is mounted in the outlet pipe 21 facing towards or facing away from the direction of water flow, so that the bracket is quickly mounted in place in the outlet pipe 21. On the other hand, the fixing end 14 can also reduce the friction force between the fixing end and the inner wall of the water outlet pipe 21, so that the support 11 is easy to mount and dismount relative to the water outlet pipe 21.

And the arc-shaped part 142 abutting against the inner wall of the water outlet pipe 21 is formed at the intersection of the outer walls of the two sides of the fixed end 14 facing to and facing away from the water flow direction, so that the contact area between the periphery of the fixed end 14 and the inner wall of the water outlet pipe 21 is obviously increased due to the arc-shaped part 142, and the sealing performance of the fixed end 14 in the water outlet pipe is further improved.

In other embodiments of the present application, as shown in fig. 3, 5 and 6, a sinking platform hole 143 is formed on an end surface of the fixed end 14 facing away from the water flowing direction and communicated with the through hole. Specifically, by forming the platform sinking hole 143 on the side of the fixed end 14 opposite to the water flow direction and making the aperture of the platform sinking hole 143 larger than that of the through hole, on the one hand, the weight reduction effect is achieved, and on the other hand, the water flowing out from the through hole can rapidly flow into the water outlet pipe through the platform sinking hole 143 with larger aperture, so that the water outlet efficiency of the water purifying device is improved.

In other embodiments of the present application, as shown in fig. 3 and 4, the filter body 12 includes at least two filter layers stacked one on another, each filter layer is hermetically disposed on an end surface of the connecting end 15 opposite to the fixed end 14 and covers the through hole 13, and the filter mesh number of each filter layer increases from the outer layer to the inner layer of the filter body 12.

Specifically, through making filter 12 include the multilayer filter layer to make each filter layer by the outer of filter 12 to the continuous increase of mesh number of inlayer, just so realized the multiple filtration of filter 12, thereby can realize the effective filtration to the particle impurity of different particle diameters, so just further promoted the filtering quality of filter plug 10, thereby also promoted filter element 20 and water purification unit's whole filtering quality and water purification effect.

In other embodiments of the present application, as shown in fig. 3, each filter layer is disposed in a flat manner and sealed on the end surface of the connecting end 15 opposite to the fixed end 14. Specifically, as the first configuration of the filter body 12, each filter layer can be flatly laid on the support 11, so that the connection difficulty between each filter layer and the connecting end 15 is also simplified while the filter layers are ensured to effectively filter particle impurities, and the overall manufacturing difficulty of the filter plug 10 can be reduced.

In other embodiments of the present application, as shown in fig. 4, each filter layer is disposed in a sealing manner in a middle bulge shape on an end surface of the connecting end 15 opposite to the fixed end 14, and the bulge direction of each filter layer is opposite to the water flow direction of the water outlet pipe 21. Specifically, as the second configuration of the filter body 12, the middle bulge configuration may be specifically a cambered configuration, and by making each filter layer have a middle bulge shape, it is equivalent to increase the filtering area of each filter layer for the water flow in the water outlet pipe 21, so that each filter layer can more fully filter particulate impurities in the water flow flowing through it, and thus further improve the filtering performance of the filter plug 10. By making the direction of the ridge of each filter layer opposite to the water flow direction of the water outlet pipe 21, the pressure applied to the outer filter layer by the dispersed water flow is increased, and the stability of the filter plug 10 arranged in the water outlet pipe 21 is improved.

In other embodiments of the present application, as shown in fig. 2, 5 and 7, the support 11 further includes two support ribs 16, the two support ribs 16 are respectively disposed at two opposite side edges of a side end surface of the connection end 15 facing away from the fixed end 14, each of the filter layers is disposed in a pyramid shape at a side end surface of the connection end 15 facing away from the fixed end 14, and the two support ribs 16 are respectively connected to two opposite side outer walls of the filter layer at the outer layer.

Specifically, as a third configuration of the filter body 12, by arranging the filter layers on the support frame 13 in a pointed tower shape, the filtering area of each filter layer for water flow is improved more significantly, and thus the filtering performance of the filter plug 10 is improved more significantly. And through making two support ribs 16 respectively with the relative both sides outer wall of outer filter layer be connected, two support ribs 16 can play stable support effect to the whole body of straining body 12 like this to can effectively maintain the holistic sharp tower-shaped configuration of straining body 12.

Optionally, link 15, stiff end 14 and support rib 16 all can adopt the working of plastics to make, can be when guaranteeing the overall structure intensity of support 11 like this, also effectively controlled the manufacturing cost and the dead weight of support 11 to saved the holistic manufacturing cost of filter plug 10 on the one hand, on the other hand also makes support 11 can stably set up in outlet pipe 21, avoids support 11 to drop because of its dead weight is too big in outlet pipe 21.

Alternatively, when the filter body 12 is in the second or third configuration, the inner layer of the filter body 12 may be provided with a support member (not shown) connected to the connection end 15 and configured to support the filter body 12 such that the filter body 12 maintains the intermediate bulged configuration or the pyramidal configuration of the second configuration under the impact of the water flow. Meanwhile, the support member may be designed as a plastic member in view of the overall light weight of the filter plug 10.

In other embodiments of the present application, as shown in fig. 4, 6 and 8, a water passing space 17 communicated with the through hole is formed around the inner wall of the filter layer in the inner layer. Specifically, after the filtered water flow passes through each filtering layer, the filtered water flow can firstly flow into the water passing space 17 and then flow into the water outlet pipe 21 through the through hole 13 and the counter sink hole 143 which are communicated with the water passing space 17, and the particle impurities wrapped in the water flow can be retained on the filtering layers under the layer-by-layer blocking of each filtering layer, so that the effective purification of the water flow flowing in the water outlet pipe 21 is realized.

In other embodiments of the present application, as shown in fig. 6 and 8, the filter body 12 includes a first filter layer 121, a first filter layer 122, and a third filter layer 123 stacked in sequence from an outer layer to an inner layer, the first filter layer 121, the first filter layer 122, and the third filter layer 123 are all hermetically disposed on an end surface of the connecting end 15 opposite to the fixed end 14, the filter mesh number of the first filter layer 121 is 10-100 meshes, the filter mesh number of the first filter layer 122 is 200-300 meshes, and the filter mesh number of the third filter layer 123 is 300-400 meshes.

Specifically, as a specific arrangement form of the filter layers of the filter body 12, the number of the filter layers may be three: the first filter layer 121, the first filter layer 122 and the third filter layer 123 respectively set the filter mesh numbers of the first filter layer 121, the first filter layer 122 and the third filter layer 123 to 10-100 mesh, 200-300 mesh and 300-400 mesh, so that the effective filtration of the particle impurities with larger particle size, medium particle size and smaller particle size can be realized in sequence, and the effective filtration function of the filter body 12 on the particle impurities with different particle sizes can be realized. And at the same time, the number of filter layers is effectively controlled, and the manufacturing cost of the filter body 12 is effectively controlled.

In other embodiments of the present application, the first filter layer 121 is a PP (polypropylene) fiber filter layer, the first filter layer 122 is an activated carbon filter layer, and the third filter layer 123 is a non-woven fabric filter layer. Specifically, by designing the first filter layer 121 as a PP fiber filter layer, on the one hand, effective filtration of particulate impurities of larger particle size can be achieved, and on the other hand, the manufacturing cost of the first filter layer 121 can also be effectively controlled. By designing the first filter layer 122 as an activated carbon filter layer, the activated carbon can effectively filter the particle impurities with medium particle size and smaller particle size. Through designing third filter layer 123 into the non-woven fabrics filtering layer again, the non-woven fabrics filtering layer can realize realizing effectively filtering the granule impurity of less particle diameter like this, and the combination of PP fibre filtering layer, active carbon filtering layer and non-woven fabrics filtering layer has just so realized effectively filtering the granule impurity of different particle diameters, has guaranteed the whole filtering quality of filter 12.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.

Claims (10)

1. A filter plug for use in a filter cartridge having an outlet tube extending axially therethrough, the filter cartridge comprising: the filter plug comprises a support arranged in the water outlet pipe and a filter body fixed on the support, the support is provided with a through hole which penetrates through the support along the axial direction of the support, the periphery of the end part of one end of the through hole is sealed with the inner wall of the water outlet pipe, and the filter body covers the other end of the through hole.

2. A filter plug as claimed in claim 1, wherein: the support comprises a fixed end and a connecting end, wherein the connecting end extends axially from one end of the fixed end, the through hole penetrates through the fixed end and the connecting end, the periphery of the fixed end is sealed with the inner wall of the water outlet pipe, and the filter body is connected to the connecting end.

3. A filter plug as claimed in claim 2, wherein: the stiff end orientation and/or dorsad the outer wall of the rivers direction in the outlet pipe is the cliff side, just the stiff end orientation with dorsad the junction of the both sides outer wall of rivers direction be formed with the arc portion of the inner wall looks butt of outlet pipe.

4. A filter plug as claimed in claim 3, wherein: the end face of one side of the fixed end, which faces away from the water flow direction, is provided with a sunken platform hole communicated with the through hole, and the aperture of the sunken platform hole is larger than that of the through hole.

5. A filter plug as claimed in claim 3, wherein: the filter body comprises at least two filter layers which are arranged in a stacked mode, each filter layer is arranged on one side end face, back to the fixed end, of the connecting end in a sealed mode and covers the through hole, and the number of filter meshes of each filter layer increases progressively in sequence from the outer layer to the inner layer of the filter body.

6. A filter plug as claimed in claim 5, wherein: each filter layer is flatly laid and hermetically arranged on the end surface of one side of the connecting end, which is back to the fixed end;

or each filtering layer is arranged on one side end face, back to the fixed end, of the connecting end in a sealing mode in a middle swelling mode, and the swelling direction of each filtering layer is opposite to the water flow direction.

7. A filter plug as claimed in claim 5, wherein: the support still includes two support ribs, two support ribs set up respectively in the link dorsad the relative both sides edge of a side end face of stiff end, each the filter layer all is the pointed tower form set up in the link dorsad a side end face of stiff end, two support ribs respectively with be in the skin the relative both sides outer wall of filter layer is connected.

8. A filter plug according to any of claims 5 to 7, wherein: the filter body comprises a first filter layer, a second filter layer and a third filter layer which are sequentially overlapped from an outer layer to an inner layer, the first filter layer, the second filter layer and the third filter layer are hermetically arranged on one side end face of the connecting end back to the fixed end, the filter mesh number of the first filter layer is 10-100 meshes, the filter mesh number of the second filter layer is 200-300 meshes, and the filter mesh number of the third filter layer is 300-400 meshes.

9. A filter element, characterized in that: the filter element comprises a filter element body, wherein a water outlet pipe is formed in the filter element body, and a filter plug according to any one of claims 1 to 8 is arranged in the water outlet pipe.

10. A water purification unit, its characterized in that: comprising a filter element according to claim 9.

Images