CN215916675U - Purifier convenient to renew cartridge more - Google Patents

Abstract

Purifier convenient to renew cartridge, its characterized in that, it includes: the water storage cavity is provided with a water inlet, a water outlet and a core replacing opening; the filter element assembly is detachably connected with the core replacing opening in a sealing mode and comprises a handheld portion capable of being installed on the core replacing opening and a filter element capable of entering the water storage cavity from the core replacing opening. According to the utility model, the core replacing port is additionally arranged on the water storage cavity, and the filter element assembly is detachably connected with the core replacing port in a sealing manner, so that the filter element assembly only needs to be directly taken down from the core replacing port during replacement or cleaning, and the operation is very convenient.

Description

Purifier convenient to renew cartridge more

Technical Field

The utility model relates to the field of water purifying equipment, in particular to a water purifying device capable of quickly replacing a core.

Background

The existing water purifying equipment (such as a front filter, a central water purifier, a scale inhibitor and the like) comprises a valve head and a filter flask (tank), wherein a water inlet and a water outlet are arranged on the valve head and are connected with a main pipeline, and a filter element is arranged in the filter flask (tank) and is used for filtering raw water so as to meet the water demand.

Relevant water purification unit often needs to wash or change the filter core after using for a long time, among the prior art, must dismantle filter flask (jar) earlier, then change or wash the filter core, and the operation is comparatively loaded down with trivial details, influences user's use and experiences.

SUMMERY OF THE UTILITY MODEL

The utility model provides a water purifying device convenient for replacing a filter element, and aims to solve the problem of troublesome replacement or cleaning of the filter element in the prior art.

In order to achieve the purpose, the technical scheme provided by the utility model is as follows:

purifier convenient to renew cartridge more, it includes:

the water storage cavity is provided with a water inlet, a water outlet and a core replacing opening;

detachably sealing connection is in the filter element group spare of trading the core mouth for raw water to the water storage intracavity filters, this filter element group spare including the mountable in trade the handheld portion of core mouth and can follow the filter element that trades the core mouth and get into the water storage intracavity. The filter element is used for filtering impurities in water, and after raw water at the water inlet enters the water storage cavity, purified water is formed after the raw water is filtered by the filter element and finally flows out of the water outlet.

In a preferred embodiment, the filter element assembly comprises a handheld part which can be installed at the filter element changing port and a filter element which can enter the water storage cavity, and the handheld part is connected with the filter element;

when the handheld part is arranged at the core replacing opening, the filter core enters the water storage cavity from the core replacing opening at the same time;

when the handheld part is taken down from the core replacing opening, the filter core is taken out from the core replacing opening along with the handheld part.

In this embodiment, the filter core is along with handheld portion synchronous motion, and the filter core both can follow handheld portion and stretch into the water storage chamber from trading the core mouth, also can follow handheld portion and take out from trading the core mouth. When changing or wasing, no longer need dismantle the filter flask, only need with the filter element subassembly whole from trade the core mouth take off can, consequently it is very convenient to use.

In a recommended embodiment, when the filter element extends into the water storage cavity, the water storage cavity is divided into a purified water side and a raw water side, and the raw water side is communicated with the water inlet; the water purification side is communicated with the water outlet.

In a recommended embodiment, the handheld portion is provided with a drainage channel for connecting the water purification side and the water outlet, and purified water on the water purification side flows to the water outlet through the drainage channel.

In a preferred embodiment, the water purification apparatus further comprises a sealing portion for preventing raw water on the raw water side from directly flowing out of the water outlet.

In the recommended embodiment, purifier includes valve head and filter flask, and the inner space behind valve head and the filter flask interconnect forms the water storage chamber, water inlet, delivery port and trade the core mouth and all set up on the valve head.

In a preferred embodiment, the hand-held portion is a plug-in unit which is hermetically mounted to the core exchanging opening. During assembly, the filter element is inserted into the water storage cavity along with the plug-in; when the filter element is disassembled, the filter element is pulled out of the water storage cavity along with the pulling-out plug-in unit. In the operation process, a user only needs to pull out/insert the filter core, so that the filter core is very convenient to replace (or clean).

In a preferred embodiment, the filter element assembly further comprises a pressing cover which is detachably and fixedly connected to the core replacing opening and presses the plug-in component to the core replacing opening. The fixed mode of gland can have the multiple, for example through the mode of screw thread fastening, in the great use scene of water storage intracavity water pressure, can firmly compress tightly in trading the core mouth with pulling out the plug-in components through the gland, ensures purifier's steady operation.

In a preferred embodiment, the hand-held portion is fixedly and sealingly mounted to the refill opening. The hand-held part can be installed in a clamping, threaded or inserting mode and other fixing modes.

In a preferred embodiment, the filter element comprises a tubular framework and a filter screen, and the filter screen is sleeved outside the framework.

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

according to the utility model, the core replacing port is additionally arranged on the water storage cavity, and the filter element assembly is detachably and hermetically arranged at the core replacing port, so that the filter element assembly only needs to be directly taken down from the core replacing port during replacement or cleaning, and the operation is very convenient.

Drawings

Fig. 1 is a schematic structural diagram of the first embodiment.

Fig. 2 is a schematic structural view of the valve head.

Fig. 3 is a schematic structural diagram of the filter element assembly according to the first embodiment.

Fig. 4 is a schematic structural diagram of the second embodiment.

Fig. 5 is a schematic structural view of a gland according to the second embodiment.

Fig. 6 is a schematic structural diagram of the third embodiment.

Fig. 7 is a schematic structural diagram of a fourth embodiment.

Fig. 8 is a schematic structural diagram of the fifth embodiment.

Fig. 9 is a schematic structural view of the sixth embodiment.

Fig. 10 is a schematic structural view of a hand-held portion according to a sixth embodiment.

Fig. 11 is a schematic structural view of the valve head of the sixth embodiment.

Fig. 12 is a schematic structural diagram of the seventh embodiment.

FIG. 13 is an exploded view of the filter element assembly of example seven.

Fig. 14 is a schematic structural diagram of the eighth embodiment.

Fig. 15 is a schematic structural diagram of the ninth embodiment.

Fig. 16 is a schematic structural diagram of the tenth embodiment.

FIG. 17 is a schematic structural diagram of an eleventh embodiment.

FIG. 18 is an exploded view of the eleventh embodiment.

Detailed Description

For further understanding of the present invention, the present invention will be described in detail with reference to examples, which are provided for illustration of the present invention but are not intended to limit the scope of the present invention.

Example one

Referring to fig. 1, including valve head 1, filter flask 2 and filter element group spare 3, valve head 1 threaded connection is in the last port of filter flask 2, and the inner space after both assemble forms water storage chamber 4, refers to fig. 2 simultaneously, and the valve head 1 of this embodiment is structure as an organic whole, and its left and right sides is equipped with water inlet 11 and delivery port 12 respectively, and trade core mouth 13 has been seted up to valve head 1's upper end. The water inlet 11, the water outlet 12 and the core changing port 13 are respectively communicated with the water storage cavity 4. The refill opening 13 extends downward to form a flow guide wall 10, the flow guide wall is connected with the inner end surface of the water inlet 11 on the side facing the water inlet 11, specifically, the upper part of the inner end surface of the water inlet 11 is fixedly connected with the flow guide wall 10, and a gap 14 is formed between the lower part of the inner end surface of the water inlet 11 and the flow guide wall 10, so that water in the water inlet 11 can only flow in from the gap 14 at the bottom when entering the water storage cavity 4. The guide wall 10 is fixedly connected with the whole inner end surface of the water outlet 12 at the side facing the water outlet 12, a through hole 15 coaxial with the water outlet 12 is formed in the guide wall, and water in the water storage cavity 4 flows out of the water outlet 12 through the through hole 15.

Referring to fig. 3, the filter element assembly 3 is composed of a handheld portion 5 and a filter element 6, the handheld portion 5 of the present embodiment is a plug-in unit hermetically mounted on the filter element changing opening 13, and the cross section of the handheld portion 5 is T-shaped; the filter element 6 is a tubular structure and is detachably and fixedly connected to the lower end of the handheld part 5, and the outer diameter of the filter element 6 is smaller than or equal to that of the handheld part 5. In this embodiment, the filter element 6 is made of PP cotton or activated carbon, the inner side of the filter element 6 forms the purified water chamber 41 (side), and the outer side of the filter element 6 forms the raw water chamber 42 (side). The hand-held part 5 comprises a main body part, a first sealing ring 52 and a second sealing ring 53, the main body part comprises an inserting part 54 at the lower end and a diameter enlarging part 55 at the upper end, a drainage channel 50 is arranged in the inserting part 54, one end of the drainage channel 50 is communicated with the purified water cavity 41, and the other end of the drainage channel is communicated with the water outlet 12. The first sealing ring 52 is arranged on the upper part of the inserting part 54 and is used for preventing water flow from flowing out of the core replacing port 13; the second sealing ring 53 is installed at the lower portion of the insertion portion 54 to prevent the water in the raw water chamber 42 from directly flowing out of the water outlet 12 without being filtered.

When the water storage device is mounted or dismounted, the filter element 6 is inserted into the water storage cavity 4 from the filter element changing port 13 along with the handheld part 5; when the water storage device is disassembled, the filter element 6 is pulled out of the water storage cavity 4 from the filter element replacing opening 13 along with the handheld part 5. In the operation process, the user only needs to pull out/insert the filter element, so that the filter element 6 is very convenient to replace (or clean).

With continued reference to fig. 1, after the filter element assembly 3 is installed, the diameter enlargement portion 55 is pressed against the upper end surface of the core changing port 13, the insertion portion 54 extends into and is attached to the guide wall 10, the first seal ring 52 and the second seal ring 53 are respectively pressed between the guide wall 10 and the insertion portion 54, the lower end port of the insertion portion 54 is close to the lower edge of the guide wall 10, and the upper end of the filter element 6 is fixedly connected to the lower end surface of the insertion portion 54. The water flow enters the raw water cavity 42 after flowing in from the water inlet 11, then enters the purified water cavity 41 after being filtered by the filter element 6, and finally flows out from the water outlet 12 after the water flow in the purified water cavity 41 passes through the diversion channel 50. In addition, in order to ensure that the through hole of the flow guide wall 10 is aligned with the water outlet 12 when the filter element assembly 3 is inserted, a positioning member is usually arranged on the valve head 1 or the hand-held part 5.

When the filter element 6 needs to be replaced, the valve on the main pipeline can be closed, and then the handheld part 5 is held and pulled out.

Example two

Referring to fig. 4 and 5, the present embodiment is substantially the same as the first embodiment, and the main difference is that in the second embodiment, the filter element assembly 3a is composed of a handle 5a, a filter element 6a and a pressing cover 7 a. The upper part of the hand-held part 5a is provided with an annular convex ring 51 a. The gland 7a comprises a top plate 71a and an annular side wall 72a which are connected with each other, a through hole 70a is formed in the middle of the top plate 71a, and the upper end of the handheld part 5a penetrates through the through hole 70 a; the annular side wall 72a is internally threaded for threaded engagement with the outer side of a refill opening (not shown).

When the device is installed, the main body part of the handheld part 5 extends into the core replacing opening and is in sealing connection with the flow guide wall 10a, and the annular convex ring 51a is clamped on the upper end face of the core replacing opening and is pressed by the pressing cover 7a in threaded connection with the core replacing opening. Through the setting of gland 7a, can strengthen the bearing capacity of filter element group spare 3a greatly.

EXAMPLE III

Referring to fig. 6, the third embodiment is substantially the same as the first embodiment, and mainly differs therefrom in that in the present embodiment, the height of the filter element 6b (PP cotton or activated carbon, etc.) is adjusted upward, a through hole 61b is opened on the side wall near the upper end of the filter element 6b, and the through hole 61b is aligned with the water outlet 12b of the valve head 1 b. Because the length of filter element 6b is lengthened, this embodiment has not only enlarged the filter area of filter element 6b, has saved the drainage channel structure of handheld portion 5b moreover.

Example four

Referring to fig. 7, the structure of the present embodiment is substantially the same as that of the second embodiment, and the main difference is that in the present embodiment, the filter element 6c is composed of a hollow framework 61c and a filter net 62c, the filter net 62c is usually made of stainless steel, the mesh size is usually between 200 meshes and 500 meshes, and when the filter net 62c is installed, the framework 61c is sleeved with the filter net 62 c.

EXAMPLE five

Referring to fig. 8, the structure of this embodiment is substantially the same as that of the first embodiment, and the main difference is that in this embodiment, a drain outlet 21e and a ball valve 22e are provided at the bottom of the filter flask 2e, so as to facilitate periodic draining.

EXAMPLE six

Referring to fig. 9, the structure of the present embodiment is substantially the same as that of the first embodiment, and the main difference is that in the present embodiment, the hand-held portion 5f is fixedly sealed to the core-changing port 13f of the valve head 1f in a manner of rotating and clamping.

Referring to fig. 10, the hand-held portion 5f includes an integrally formed snap cover 51f and a main body plug-in portion 52f, and a plurality of sealing rings 53f, the snap cover 51f is located at the upper end of the main body plug-in portion 52f, and includes a top plate 54f, a lateral surrounding wall 55f, and two symmetrically disposed protrusions 56f, the surrounding wall 55f surrounds the periphery of the top plate 54f downward, the protrusions 56f are located at the inner side of the lower edge of the surrounding wall 55f, and a gap with a certain width is formed between the protrusions and the main body plug-in portion 52 f. Each sealing ring 53f is respectively sleeved on the outer wall of the main body insertion part 52f, and as in the first embodiment, a drainage channel 50f is also formed in the main body insertion part 52 f.

Referring to fig. 11, the valve head of this embodiment is substantially the same as the first embodiment, and its main difference is that in this embodiment, the valve head 1f is provided with two left and right locking grooves 16f on the outer side wall of the core changing port 13f, each of the locking grooves 16f is composed of an axial guide groove 17f and a circumferential positioning groove 18f, and the lower end of the guide groove 17f is communicated with the positioning groove 18 f.

During installation, the protrusion 56f is aligned with the guide groove 17f, the handheld part 5f is pressed downwards, the main body inserting part 52f is inserted into the core replacing opening 13f, the protrusion 56f of the clamping cover 51f moves into the positioning groove 18f at the lower end along the guide groove 17f, and after the protrusion is in place, the handheld part 5f is integrally rotated. When the filter element 2f needs to be cleaned or replaced, the process of disassembling the handle 5f is just opposite to the process of assembling, and the description is omitted here.

EXAMPLE seven

The structure of this embodiment is substantially the same as that of the sixth embodiment, and the main difference is that in this embodiment, no direct seal is formed between the hand-held portion 5g and the flow guide wall (not shown) of the refill opening.

Referring to fig. 12 and 13, the filter element assembly 3g of the present embodiment includes a filter element 6g, a handle portion 5g and a pressing cover 7g, the cross section of the handle portion 5g is in an inverted T shape, and includes a main body portion 51g and an enlarged diameter portion 52g which are integrally formed, the enlarged diameter portion 52g is located at the lower end of the main body portion 51g, the diameter of the enlarged diameter portion 52g is larger than the main body portion 51g and slightly smaller than the inner diameter of the guide wall, and a gap is formed between the main body portion 51g and the guide wall. The upper end of the filter element 6g is fixedly connected to the bottom surface of the enlarged diameter portion 52 g.

With continued reference to fig. 13, the pressing cover 7g includes a top plate 71g, a peripheral wall 72g and an inner peripheral wall 73g, the peripheral wall 72g extending downward from the periphery of the top plate 71g, and the inner side of the lower edge of the peripheral wall 72g is provided with two projections 74 g. The inner wall 73g is concentrically disposed inside the outer wall 72g, and the inner wall 73g is sleeved with two upper and lower seal rings 75 g.

The installation process of this embodiment is similar to embodiment six, inserts the hand-held portion 5g and the filter core 6g of interconnect earlier in trading the core, and then installs gland 7g again, and gland 7g also adopts the mode of joint to fix, and its installation process is similar to embodiment six's installation process, pushes down gland 7g earlier promptly, then rotates. In this process, the inner peripheral wall 73g with the packing 75g is inserted into the gap between the main body 51g and the guide wall, and a seal is formed between the guide wall and the inner peripheral wall 73g by the packing 75 g.

The disassembly process and the assembly process of this embodiment are just opposite, and are not described herein again.

Example eight

Referring to fig. 14, the structure of this embodiment is substantially the same as that of the second embodiment, and the main difference is that after the installation of this embodiment, the valve head 1d is connected to the lower end of the filter bottle 2d, and the filter element assembly 3d is inserted into the water storage cavity 4d from the lower end of the valve head 1 d.

Example nine

Referring to fig. 15, the structure of this embodiment is substantially the same as that of the above nine embodiments, and the main difference is that, based on the use state during installation, the cartridge changing port 13i of this embodiment is opened at the top of the filter bottle 2i, and the filter cartridge 6i extends into the water storage cavity 4i along with pulling the plug-in unit 5i, and as can be seen from the figure, the lower end of the filter cartridge 6i is connected to the valve head 1 i.

Example ten

Referring to fig. 16, the present embodiment is substantially the same as the first embodiment, and mainly differs therefrom in that in the present embodiment, the upper end of the insertion portion 54j is provided with an external thread near the enlarged diameter portion 55j, and the upper inner wall of the core changing port 13j of the valve head 1j is provided with an internal thread. During installation, the filter element assembly 3j is inserted from the core changing port 13j and then rotated, so that the external thread of the insertion portion 54j and the internal thread of the core changing port 13j are screwed with each other, thereby completing the assembling process.

EXAMPLE eleven

This embodiment is substantially different from the above 10 embodiments in the operation mode, in each of the above embodiments, the hand-held part and the filter element have a fixed connection relationship with each other, and the filter element moves synchronously with the hand-held part. In the embodiment, the handheld part and the filter element are not directly connected, and the process of assembling and disassembling the handheld part and the filter element is independently carried out.

In view of structure, this embodiment is substantially the same as the third embodiment, and its main difference is that in this embodiment, the handle and the filter element are separated from each other, that is, the filter element and the handle need to be separated during installation or removal.

Referring to fig. 17 and 18, the filter element assembly 3h of the present embodiment includes a hand-held portion 5h and a filter element 6h, the hand-held portion 5h is sealingly mounted on the upper portion of the filter element changing opening 13h by means of plugging, and the filter element 6h is also mounted on the lower portion of the filter element changing opening 13h by means of plugging. When the filter core is disassembled, the hand-held part 5h is pulled out, and then the filter core 6h is taken out.

Continuing to refer to the attached drawings, in order to facilitate the filter element 6h to be pulled out of the core replacing opening 13h, two vertical lengthening strips 60h are arranged at the upper end of the filter element 6h, the upper ends of the lengthening strips 60h protrude out of the upper end opening of the core replacing opening 13h, corresponding insertion holes 50h are formed in the bottom surface of the handheld portion 5h, and the lengthening strips 60h extend into the insertion holes 50h during installation.

In addition, the filter flask 2h of the present embodiment is provided with a positioning column 20h at the bottom thereof, and after the installation is completed, the bottom of the filter element 6h is pressed against the positioning column 20 h.

During installation, the filter element 6h is inserted into the water storage cavity 4h from the filter element changing opening 13h until the bottom surface of the filter element 6h abuts against the positioning column 20h, then the insertion hole 50h is aligned to the lengthening strip 60h, and then the handheld portion 5h is inserted into the filter element changing opening 13h, so that the installation process is completed. The disassembly process is the reverse of the installation process. In addition, the hand-held portion can also be fixed to the core-changing opening by other detachable connection methods, which are not described herein.

The valve head and the filter flask that the water storage chamber was formed by connecting in above-mentioned each embodiment, the valve head both can be in the upper end of filter flask, also can connect in the lower extreme of filter flask, even as required, the valve head also can connect in the left and right side of filter flask. In addition, the valve head and the filter flask can be of an integrated structure.

The present invention has been described in detail with reference to the embodiments, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims (10)

1. Purifier convenient to renew cartridge, its characterized in that, it includes:

the water storage cavity is provided with a water inlet, a water outlet and a core replacing opening;

the filter element assembly is detachably connected with the core replacing opening in a sealing mode and comprises a handheld portion capable of being installed on the core replacing opening and a filter element capable of entering the water storage cavity from the core replacing opening.

2. The water purifying device convenient for replacing the filter element as claimed in claim 1, wherein:

the handheld part is connected with the filter element;

when the handheld part is arranged at the core replacing opening, the filter core enters the water storage cavity from the core replacing opening at the same time;

when the handheld part is taken down from the core replacing opening, the filter core is taken out from the core replacing opening along with the handheld part.

3. The water purifying device with a replaceable filter element as claimed in claim 2, wherein: when the filter element enters the water storage cavity, the water storage cavity is divided into a purified water side and a raw water side, and the raw water side is communicated with the water inlet; the water purification side is communicated with the water outlet.

4. The water purifying device with a replaceable filter element as claimed in claim 3, wherein: the handheld portion is provided with a drainage channel used for connecting a water purification side and a water outlet, and purified water on the water purification side flows to the water outlet through the drainage channel.

5. The water purifying device with a replaceable filter element as claimed in claim 3, wherein: the water purifying device also comprises a sealing part for preventing raw water at the raw water side from directly flowing out of the water outlet.

6. The water purifying device convenient for replacing the filter element as claimed in claim 1 or 2, wherein: the water purifying device comprises a valve head and a filter flask, wherein a water storage cavity is formed in the inner space formed by the valve head and the filter flask after being connected with each other, and the water inlet, the water outlet and the core replacing port are all arranged on the valve head.

7. The water purifying device with a replaceable filter element as claimed in claim 2, wherein: the handheld part is a plug-in unit which is hermetically arranged at the core replacing opening.

8. The water purification device with a replaceable filter element as claimed in claim 7, wherein: the filter element component further comprises a pressing cover, the pressing cover is detachably and fixedly connected to the core replacing opening, and the plug-in pulling component is pressed on the core replacing opening.

9. The water purifying device with a replaceable filter element as claimed in claim 2, wherein: the handheld part is fixedly and hermetically arranged on the core replacing opening.

10. The water purifying device with a replaceable filter element as claimed in claim 2, wherein: the filter core includes pipy skeleton and filter screen, the filter screen cover is located the skeleton outside.

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