CN219701318U - Water-stopping filter element structure - Google Patents

Abstract

The utility model discloses a water-stopping filter element structure, which comprises a filter element body component and a filter element cover; the filter element cover is arranged on the filter element body component, the filter element cover is provided with a water inlet, and a water stopping component is arranged in the water inlet; the water stopping assembly comprises a supporting seat and an elastic sealing piece, the supporting seat is provided with a water through hole, and the sealing piece comprises a sealing part for sealing the water through hole; when water is positioned on one side of the sealing part, under the pressure of a water source, the water flow can push the sealing part open the water through hole by pushing the sealing part away so as to open the water through hole; when water is positioned on the other side of the sealing part, the sealing part recovers the shape under the elastic action so as to automatically seal the water through hole. According to the utility model, the sealing part is arranged to seal the water through hole, so that the sealing part can automatically seal the water through hole when the filter element is used for water through, and the sealing part can automatically seal the water through hole when the filter element is detached, thereby preventing water leakage, and the filter element has a good sealing effect and a simple structure.

Description

Water-stopping filter element structure

Technical Field

The utility model relates to the field of water purification, in particular to a water stop filter element structure.

Background

Along with the economic development of society, people's requirement quality of drinking water gradually improves. Water purifiers have become the choice of many people, and filter cartridges as the cores of water purifiers have also been rapidly developed.

At present, most filter elements of water purifiers are usually provided with a water stopping function, and when the filter elements are detached, water inside the filter elements can be prevented from overflowing from a water inlet, the water stopping structure of the existing filter elements comprises a plug and a spring, the water inlet is blocked by the plug through spring driving, but the valve head is likely to be inclined when the valve head is driven to move by the spring, so that sealing is invalid, and the filter elements are caused to leak water.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a water stop filter element structure which can ensure that the sealing effect is not easy to lose efficacy.

According to a first aspect of the utility model, a water stop filter element structure comprises a filter element body component and a filter element cover; the filter element cover is arranged on the filter element body component and is provided with a water inlet, and a water stopping component is arranged in the water inlet; the water stopping assembly comprises a supporting seat and an elastic sealing piece, wherein the supporting seat is provided with a water through hole, and the sealing piece comprises a sealing part for sealing the water through hole; when water is positioned on one side of the sealing part, under the pressure of a water source, the water flow can push away the sealing part so as to enable the sealing part to open the water through hole; when water is positioned on the other side of the sealing part, the sealing part recovers the shape under the elastic action so as to automatically seal the water through hole.

The water-stop filter element structure provided by the embodiment of the utility model has at least the following technical effects: through being provided with sealing portion and sealing the limbers to sealing portion opens the through-hole and when dismantling when the filter core limbers, sealing portion can self-sealing limbers, prevents that the water leakage from going out, and need not to realize blocking up the water inlet through spring drive end cap displacement, and sealed difficult inefficacy and simple structure.

According to some embodiments of the utility model, the water through hole comprises a water inlet end and a water outlet end, the sealing part is arranged on the end face of the water outlet end, and the diameter of the sealing part is larger than that of the water through hole.

According to some embodiments of the utility model, the seal further comprises a fixing portion, the seal is fixedly connected with the fixing portion, and the fixing portion is in snap connection with the supporting seat.

According to some embodiments of the utility model, a fastening piece is arranged in the water through hole, a water flow channel is arranged between the fastening piece and the water through hole, and the fixing part is fastened and connected with the fastening piece.

According to some embodiments of the utility model, the side wall of the supporting seat is provided with an annular groove, and a sealing ring is arranged between the annular groove and the inner wall of the water inlet.

According to some embodiments of the utility model, the water stop assembly comprises a pressing plate, the pressing plate is provided with a through hole, the through hole is communicated with the water through hole, the pressing plate is fixedly connected with the water inlet, and the supporting seat is located above the pressing plate.

According to some embodiments of the utility model, the water passage hole comprises a first hole section and a second hole section, the diameter of the first hole section is smaller than the diameter of the second hole section, the first hole section is close to the water outlet end, and the second Kong Duanyuan is away from the water outlet end.

According to some embodiments of the utility model, the cartridge cover is further provided with a water outlet provided with the water stop assembly.

According to some embodiments of the utility model, the filter element body assembly comprises a barrel body and a plurality of filter materials, wherein the filter materials are arranged in the barrel body, the water inlet is sequentially communicated with the filter materials, and the last filter material is communicated with the water outlet.

According to some embodiments of the utility model, the cartridge cover is further provided with a pressure tank port, which communicates with the last filter material.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

Additional aspects and advantages of the present utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a schematic view of a water stop filter element according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the water module after removal from the cartridge cover;

FIG. 3 is a cross-sectional view of the water stop cartridge structure in a certain position;

FIG. 4 is a cross-sectional view of the cartridge cover;

FIG. 5 is a cross-sectional view of the water stop assembly mounted to the water inlet after the water pushes the seal open;

FIG. 6 is a cross-sectional view of the seal mounted to the support base;

FIG. 7 is a schematic structural view of a seal;

FIG. 8 is an exploded view of the support base and seal;

FIG. 9 is a schematic view of the bottom structure of the seal mounted on the support base;

FIG. 10 is a cross-sectional view of the water stop cartridge structure in another position.

Reference numerals: the cartridge body assembly 100, the tub 110, the first filter 120, the second filter 130, the third filter 140, the first filtering section 150, the second upper end cap 151, the second lower end cap 152, the second filtering section 160, the first upper end cap 161, the first lower end cap 162, the center tube 163, the raw water inlet channel 170, the cartridge cover 200, the water inlet 210, the vertical section 211, the water outlet 220, the pressure tank interface 230, the water stop assembly 300, the support base 310, the water through hole 311, the water inlet end 3111, the water outlet end 3112, the first hole section 3113, the second hole section 3114, the buckle 312, the connector 3121, the water flow channel 313, the annular groove 314, the seal ring 315, the seal 320, the seal 321, the fixing 322, the cylinder 3221, the circular truncated cone 3222, the pressure plate 330.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1, a water stop cartridge structure according to an embodiment of the present utility model includes a cartridge body assembly 100 and a cartridge cover 200.

As shown in fig. 2, the cartridge cover 200 is provided with a water inlet 210 and a water outlet 220, the water inlet 210 is used for communicating with external raw water, and it is conceivable that the water inlet 210 and the water outlet 220 may be provided in several numbers, for example, two water outlets 220 are provided, and two water outlets 220 are a pure water outlet and a concentrated water outlet, respectively.

As shown in fig. 3, the cartridge body assembly 100 includes a tub 110 and a plurality of filter materials, and the cartridge cover 200 is mounted on the tub 110 through an ultrasonic welding process, the plurality of filter materials being disposed in the tub 110.

As shown in fig. 3, specifically, the filter materials are three, which are respectively defined as a first filter material 120, a second filter material 130, and a third filter material 140, and the first filter material 120, the second filter material 130, and the third filter material 140 may be respectively an activated carbon rod filter material, a PAC filter material, a folded PP cotton, an RO filter material, an NF filter material, or other filter materials.

As shown in fig. 3, in particular, a first filtering section 150 and a second filtering section 160 are provided in the tub 110, and the first filtering section 150 is located below the second filtering section 160;

the second filtering area 160 comprises a first upper end cover 161, a first lower end cover 162, a central tube 163, a first filtering material 120 and a second filtering material 130, wherein the central tube 163, the first filtering material 120 and the second filtering material 130 are all arranged between the first upper end cover 161 and the first lower end cover 162, the top of the central tube 163 is communicated with a purified water outlet of the first upper end cover 161, the first filtering material 120 is sleeved outside the central tube 163, the second filtering material 130 is sleeved outside the first filtering material 120, a raw water inlet channel 170 is arranged between the second filtering material 130 and the barrel 110, the raw water inlet channel 170 is communicated with the water inlet 210, and a concentrated water outlet of the first upper end cover 161 is communicated with a concentrated water outlet;

the first filtering area 150 includes a second upper end cap 151, a second lower end cap 152, and a third filter material 140, the third filter material 140 is installed between the second upper end cap 151 and the second lower end cap 152, the second lower end cap 152 is communicated with a purified water outlet of the first upper end cap 161, and the second upper end cap 151 is communicated with a purified water outlet;

in operation, raw water enters the raw water inlet channel 170 through the water inlet 210, raw water is filtered through the second filter material 130 and the first filter material 120 in sequence, water after passing through the first filter material 120 enters the central tube 163 and is then conveyed to the third filter material 140 for filtration, filtered pure water is discharged through the pure water outlet, and concentrated water after passing through the first filter material 120 is discharged through the concentrated water outlet.

As shown in fig. 2 and 4, a water stop assembly 300 is installed in the water inlet 210, the water stop assembly 300 includes a support base 310 and a sealing member 320 having elasticity, the support base 310 is provided with a water through hole 311, and the sealing member 320 includes a sealing portion 321 for sealing the water through hole 311; as shown in fig. 5, when the filter element is needed to clean water, the water is located below the sealing portion 321, and under the pressure of the water source, the water flow can push the sealing portion 321 away, so that the sealing portion 321 opens the water hole 311; as shown in fig. 4 and 6, when the cartridge is required to be removed, the water is located above the sealing portion 321, and the sealing portion 321 is elastically restored to seal the water through hole 311 automatically. Specifically, the sealing member 320 is made of silicone.

Through being provided with sealing portion 321 and sealing through water hole 311 to sealing portion 321 opens the through-hole when the filter core leads to water and sealing portion 321 can self-sealing through water hole 311 when dismantling, prevents that the water from leaking, and need not to realize blockking up water inlet 210 through spring drive end cap displacement, sealed difficult inefficacy and simple structure.

In some embodiments of the present utility model, as shown in fig. 6, the water through hole 311 includes a water inlet end 3111 and a water outlet end 3112, and a sealing portion 321 is disposed on an end surface of the water outlet end 3112, and a diameter of the sealing portion 321 is larger than a diameter of the water through hole 311.

For example, as shown in fig. 4, the water inlet 210 includes a vertical section 211, the support base 310 is mounted in the vertical section 211, as shown in fig. 6, the support base 310 is provided with a water through hole 311 penetrating up and down, the lower end surface of the support base 310 is a water inlet end 3111, the upper end surface of the support base 310 is a water outlet end 3112, the sealing portion 321 is disposed on the upper end surface of the support base 310 (i.e. on the end surface of the water outlet end 3112), and the diameter of the sealing portion 321 is larger than the diameter of the water through hole 311, so that the sealing portion 321 completely covers the water through hole 311 to seal the water through hole 311.

When the filter element is used for purifying water, an external water source is communicated with the vertical section 211 of the water inlet 210, water is conveyed from bottom to top, and the sealing piece 320 has elasticity, so that when the water pressure is high enough, the sealing part 321 can be pushed open by the water, a gap is formed between the sealing part 321 and the upper end surface of the supporting seat 310, and the external water source is communicated with the filter element.

When the filter core is dismantled, because there is not the pressure of outside water source, sealing member 320 resumes original shape automatically, and then sealing portion 321 covers water through hole 311 automatically, and the bottom surface of sealing portion 321 and the top surface butt of supporting seat 310 promptly, and then water can not leak from water through hole 311, and because the inside water of filter core can outwards leak, and then the inside hydroenergy of filter core moves to sealing portion 321's up end, and then hydroenergy pushes down sealing portion 321's up end, thereby make sealing portion 321's bottom surface and supporting seat 310's top surface more closely laminate, sealed effect is better.

In a further embodiment of the present utility model, as shown in fig. 7 and 8, the sealing member 320 further includes a fixing portion 322, the sealing member 320 is fixedly connected to the fixing portion 322, and the fixing portion 322 is snap-connected to the supporting seat 310, so as to facilitate the installation and the removal of the sealing member 320.

In a further embodiment of the present utility model, as shown in fig. 7, 8 and 9, a fastening member 312 is disposed in the water through hole 311, a water flow channel 313 is disposed between the fastening member 312 and the water through hole 311, and the fixing portion 322 is fastened to the fastening member 312.

For example, the top inside the water through hole 311 is provided with a fastening piece 312, the fastening piece 312 is located at the center of the water through hole 311, the fastening piece 312 is in a ring shape, the outer side wall of the fastening piece 312 is provided with a plurality of connecting pieces 3121, the connecting pieces 3121 are fixedly connected with the inner wall of the water through hole 311, the fixing portion 322 is composed of a cylinder 3221 and a round table 3222 with a large upper part and a small lower part, and the cylinder 3221 and the round table 3222 are matched with the ring-shaped fastening piece 312 to realize fastening connection. The fastening piece 312 is located in the water through hole 311, so that water flows from the periphery of the fastening piece 312, and the water is pushed up only to the edge of the sealing portion 321. Such a structure is employed to facilitate the liftoff of the seal 320.

In some embodiments of the present utility model, as shown in fig. 4 and 6, the sidewall of the support base 310 is provided with an annular groove 314, and a sealing ring 315 is provided between the annular groove 314 and the inner wall of the water inlet 210 to seal a gap between the inner wall of the water inlet 210 and the support base 310.

In a further embodiment of the present utility model, as shown in fig. 4, the water stop assembly 300 includes a pressing plate 330, the pressing plate 330 is provided with a through hole, the through hole is communicated with the water through hole 311, the pressing plate 330 is fixedly connected with the water inlet 210, the supporting seat 310 is located above the pressing plate 330, that is, the pressing plate 330 is cylindrical, when in installation, the sealing member 320 and the supporting seat 310 are installed in the water inlet 210, then the pressing plate 330 is welded in the water inlet 210 through an ultrasonic welding process, the pressing plate 330 plays a role of supporting the supporting seat 310, and the structure is adopted to facilitate the assembly of workers.

In a further embodiment of the present utility model, as shown in fig. 6, the water through hole 311 includes a first hole section 3113 and a second hole section 3114, the diameter of the first hole section 3113 is smaller than that of the second hole section 3114, the first hole section 3113 is close to the water outlet 3112, and the second hole section 3114 is far from the water outlet 3112, so that the water through hole 311 is a hole with a larger diameter from top to bottom to increase water pressure.

In a further embodiment of the present utility model, as shown in fig. 4, the cartridge cover 200 is further provided with a water outlet 220, and the water outlet 220 is provided with a water stopping assembly 300.

For example, the water inlet 210 includes a vertical section 211, the water stop assembly 300 is installed on the vertical section 211 of the water inlet 210, the water outlet 220 also includes a vertical section 211, the water stop assembly 300 is installed on the vertical section 211 of the water outlet 220, the sealing member 320 in the water inlet 210 is arranged above the supporting seat 310, the sealing member 320 in the water outlet 220 is arranged below the supporting seat 310, that is, the supporting seat 310 and the sealing member 320 of the water inlet 210 are in a mirror image relationship with the supporting seat 310 and the sealing member 320 of the water outlet 220 in the up-down direction, so that when pure water is discharged from the water outlet 220, the sealing portion 321 can be pushed downwards, and then the pure water is discharged, and when the filter element is disassembled, the water pressure of the pure water in the filter element is smaller than the pressure pushing the sealing portion 321, the sealing portion 321 seals the water outlet 220, and water in the filter element is prevented from leaking.

In a further embodiment of the present utility model, as shown in fig. 4 and 10, the cartridge cover 200 is further provided with a pressure tank port 230, and the pressure tank port 230 communicates with the last filter material or the first filter zone 150 described above. The pressure tank interface 230 is connected with an external pressure tank, so that the whole water yield is high, and the problem that the existing water purifier has low water yield and cannot meet the difficulty of drinking and living dual water is solved.

In the description of the present specification, reference to the term "some embodiments" or "what may be considered to be" etc. means that a particular feature, structure, material or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A water stop cartridge structure, comprising:

a cartridge body assembly;

the filter element cover is arranged on the filter element body assembly and is provided with a water inlet, and a water stopping assembly is arranged in the water inlet;

the water stopping assembly comprises a supporting seat and an elastic sealing piece, wherein the supporting seat is provided with a water through hole, and the sealing piece comprises a sealing part for sealing the water through hole;

when water is positioned on one side of the sealing part, under the pressure of a water source, the water flow can push away the sealing part so as to enable the sealing part to open the water through hole;

when water is positioned on the other side of the sealing part, the sealing part recovers the shape under the elastic action so as to automatically seal the water through hole.

2. A water stop cartridge structure as defined in claim 1, wherein: the water through hole comprises a water inlet end and a water outlet end, the sealing part is arranged on the end face of the water outlet end, and the diameter of the sealing part is larger than that of the water through hole.

3. A water stop cartridge structure as claimed in claim 2, wherein: the sealing piece further comprises a fixing portion, the sealing piece is fixedly connected with the fixing portion, and the fixing portion is in buckling connection with the supporting seat.

4. A water stop cartridge structure as defined in claim 3, wherein: the water through hole is internally provided with a clamping piece, a water flow channel is arranged between the clamping piece and the water through hole, and the fixing part is in clamping connection with the clamping piece.

5. A water stop cartridge structure as defined in claim 1, wherein: the side wall of the supporting seat is provided with an annular groove, and a sealing ring is arranged between the annular groove and the inner wall of the water inlet.

6. A water stop cartridge structure as defined in claim 5, wherein: the water stopping assembly comprises a pressing plate, wherein a through hole is formed in the pressing plate, the through hole is communicated with the water through hole, the pressing plate is fixedly connected with the water inlet, and the supporting seat is located above the pressing plate.

7. A water stop cartridge structure as claimed in claim 2, wherein: the water through hole comprises a first hole section and a second hole section, the diameter of the first hole section is smaller than that of the second hole section, the first hole section is close to the water outlet end, and the second Kong Duanyuan is away from the water outlet end.

8. A water stop cartridge structure according to claim 1 or 2, wherein: the filter element cover is also provided with a water outlet, and the water stopping component is arranged at the water outlet.

9. A water stop cartridge structure as defined in claim 8, wherein: the filter element body assembly comprises a barrel body and a plurality of filter materials, the filter materials are arranged in the barrel body, the water inlet is sequentially communicated with the filter materials, and the last filter material is communicated with the water outlet.

10. A water stop cartridge structure as defined in claim 9, wherein: the filter element cover is also provided with a pressure tank interface which is communicated with the last filter material.