CN211813752U - Filter core structure and purifier - Google Patents

Abstract

The utility model relates to a filter core structure and purifier. The filter element structure comprises a shell, a cover body, an inner core assembly, a first adapter and a second adapter; the cover body is detachably covered on the shell body so as to be matched with the shell body to form an accommodating cavity; the first transfer piece is fixed in the cover body and detachably butted with the inner core assembly in the accommodating cavity; the second adaptor can be slidably arranged between the cover body and the first adaptor until the second adaptor slides downwards to form a water inlet channel with the cover body, a water outlet channel is formed between the first adaptor and the cover body, the water inlet channel is communicated with the water inlet end of the inner core assembly, and the water outlet channel is communicated with the water outlet end of the inner core assembly. The filter core structure not only can realize the function of filtering raw water, but also can realize that the user washs the interior subassembly by oneself moreover, reaches the purpose of recycling and extension filter core structure life.

Description

Filter core structure and purifier

Technical Field

The utility model relates to a filter technology field especially relates to a filter core structure and purifier.

Background

Present purifier generally adopts a plurality of filter cores to carry out the multiple filtration to drinking water, and wherein, every filter core can lead to its filtering capability to become invalid because the adhesion of impurity is too big after using a period of time, to this, need regularly change the filter core usually, and this use cost that can increase the purifier.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a filter element structure and a water purifier, aiming at the problem that the filter element needs to be replaced periodically to increase the use cost of the water purifier.

A filter cartridge arrangement, the filter cartridge arrangement comprising: the inner core assembly comprises a shell, a cover body, an inner core assembly, a first adapter and a second adapter;

the cover body is detachably covered on the shell to form an accommodating cavity in cooperation with the shell;

the first rotating piece is fixed in the cover body and detachably butted with the inner core assembly in the accommodating cavity;

the second adaptor can be slidably arranged between the cover body and the first adaptor until the second adaptor slides downwards to form a water inlet channel between the cover body and the first adaptor, and simultaneously a water outlet channel is formed between the first adaptor and the cover body, wherein the water inlet channel is communicated with the water inlet end of the inner core assembly, and the water outlet channel is communicated with the water drainage end of the inner core assembly.

In one embodiment, the upper end of the first rotating piece is closed, and the lower end of the first rotating piece is provided with an opening;

the lower end of the first transfer piece is fixed in the cover body, and the lower end of the first transfer piece is also butted with the inner core assembly;

the side wall of the upper end of the first adapter is provided with at least one water outlet distributed along the circumferential direction, and the at least one water outlet can be exposed to the outside of the second adapter, so that the water outlet channel is formed between the first adapter and the cover body.

In one embodiment, a first step is provided in the cover;

the outer diameter of the lower end of the first transfer piece is larger than that of the upper end of the first transfer piece, and the lower end of the first transfer piece abuts against the lower surface of the first step;

the junction between the lower extreme of first adaptor and the upper end is provided with a plurality of first chucking spare along circumference distribution, and every first chucking spare all blocks and establishes on the upper surface of first step.

In one embodiment, each of the first clamping members is provided in an inverted L-shaped block-like configuration.

In one embodiment, at least one first sealing element is arranged between the first adapter and the second adapter at intervals along the vertical direction;

at least one second sealing element is arranged between the first rotating piece and the cover body at intervals along the vertical direction.

In one embodiment, at least one dislocation groove is arranged on the inner wall of the cover body along the circumferential direction, and each dislocation groove is communicated with the accommodating cavity;

the dislocation end of the second adaptor is used for being attached to the inner wall of the cover body when not pressed downwards and can slide to the at least one dislocation groove when pressed downwards, so that the water inlet channel is formed between the second adaptor and the cover body.

In one embodiment, the second adaptor comprises: the outer shell is sleeved outside the lower end of the inner shell;

the outer shell forms a dislocation end of the second adaptor;

the inner shell is used for being attached to the outer wall of the water outlet end of the first adapter when the outer shell is not extruded downwards, so that the inner cavity of the first adapter is separated from the inner cavity of the cover body.

In one embodiment, at least one third sealing element is arranged on the outer wall of the outer shell at intervals along the vertical direction;

and at least one fourth sealing element is arranged on the outer wall of the upper end of the inner shell at intervals along the vertical direction.

In one embodiment, at least one second clamping piece is circumferentially arranged on the dislocation end of the second adapter piece;

the at least one second clamping piece is used for clamping the second adapter piece in the cover body when the second adapter piece is pressed downwards.

In one embodiment, the filter cartridge arrangement further comprises: the resetting piece is abutted between the cover body and the second adapter piece;

the reset piece is used for being in a compression state when the second adapter piece is pressed downwards.

In one embodiment, the return member is a spring.

In one embodiment, the core assembly comprises: the support shell, the inner core and the butt joint shell are in butt joint with the first butt joint piece;

the inner core shell is provided with at least one water inlet communicated with the accommodating cavity;

the inner core shell is connected with the butt joint shell through the supporting shell;

the inner core is embedded in an installation cavity formed among the butt joint shell, the support shell and the inner core shell;

the butt joint shell is provided with a water outlet communicated with the inner cavity of the first adaptor.

In one embodiment, the support shell is clamped to the core shell.

In one embodiment, the outer wall of the supporting shell is provided with an annular clamping groove;

an annular clamping table is arranged on the inner wall of the inner core shell;

the annular clamping table is clamped in the annular clamping groove.

A water purifier comprises the filter element structure, a filter element clamping piece and a water path plate, wherein the filter element clamping piece is arranged on the filter element structure;

the cover body of the filter element structure is connected with the filter element clamping piece, and the second adapter piece of the filter element structure is pressed against the filter element clamping piece;

the filter element clamping piece is matched with the water circuit board to form a raw water channel and a water purification channel which are separated from each other, the raw water channel is communicated with the water inlet channel of the filter element structure, and the water purification channel is communicated with the water outlet channel of the filter element structure.

According to the filter element structure and the water purifier, the second adapter piece of the filter element structure can be slidably arranged between the cover body and the first adapter piece until the second adapter piece slides downwards to form a water inlet channel communicated with the water inlet end of the inner core assembly between the cover body and the second adapter piece, and meanwhile, a water outlet channel communicated with the water outlet end of the inner core assembly is formed between the first adapter piece and the cover body, so that raw water can flow into the inner core assembly through the water inlet channel for filtering, and is discharged through the water outlet channel after being filtered; in addition, lid detachably lid dress is on the casing, and inner core subassembly and first adaptor can dismantle the butt joint, and the user of being convenient for like this demolishs the inner core subassembly from the filter core structure, can realize wasing by oneself to inner core subassembly, reaches the purpose of recycling and extension filter core structure life. In conclusion, the filter element structure not only can realize the function of filtering raw water, but also can realize the self-cleaning of the inner core component by a user, thereby achieving the purposes of recycling and prolonging the service life of the filter element structure.

Drawings

Fig. 1 is an exploded view of a filter element structure without an inner core according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a filter element structure provided in an uninstalled state according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a filter element structure provided in an installation state according to an embodiment of the present invention;

fig. 4 is a schematic view illustrating an assembly between the cover, the first adapter and the second adapter according to an embodiment of the present invention;

FIG. 5 is an enlarged partial schematic view of FIG. 2 at A;

FIG. 6 is an enlarged partial schematic view of FIG. 3 at B;

fig. 7 is a schematic view illustrating an assembly between a filter cartridge structure without a housing and a filter cartridge fastener according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a first adapter according to an embodiment of the present invention;

fig. 9 is a schematic structural view of a second adaptor according to an embodiment of the present invention;

fig. 10 is a schematic structural view of a core assembly according to an embodiment of the present invention;

fig. 11 is a schematic structural view of a cover according to an embodiment of the present invention;

fig. 12 is a schematic structural diagram of a filter element assembly according to an embodiment of the present invention.

Wherein the various reference numbers in the drawings are described below:

100-cartridge structure, 110-housing, 120-cover, 120 a-offset groove, 121-first step, 122-second step, 123-inner barrel, 124-outer barrel, 130-inner core assembly, 131-support housing, 131 a-annular clamping groove, 132-inner core housing, 132 a-water inlet, 1321-annular clamping table, 133-inner core, 134-docking housing, 134 a-water outlet, 140-first adapter, 140 a-water outlet, 141-first clamping member, 142-guide rib, 150-second adapter, 151-inner housing, 152-outer housing, 153-second clamping member, 1531-connecting part, 1532-clamping lug, 161-first sealing member, 162-second sealing member, 163-third seal, 164-fourth seal, 165-fifth seal, 166-sixth seal, 167-seventh seal, 170-reset, 200-cartridge catch.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. In contrast, when an element is referred to as being "directly connected" to another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

In the description of the present invention, it is to be understood that the terms "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

In one aspect, an embodiment of the present invention provides a filter element structure 100, as shown in fig. 1, the filter element structure 100 includes: the outer shell 110, the cover body 120, the inner core assembly 130, the first adapter 140 and the second adapter 150; as shown in fig. 2 and 3, the cover 120 is detachably mounted on the outer shell 110 to form a receiving cavity with the outer shell 110; as shown in fig. 2 to 4, the first adaptor 140 is fixed in the cover body 120, and the first adaptor 140 detachably interfaces with the core assembly 130 located in the accommodating cavity; as shown in fig. 2 to 6, the second adaptor 150 is slidably disposed between the cover body 120 and the first adaptor 140 until sliding downward to form a water inlet channel with the cover body 120, and at the same time, a water outlet channel is formed between the first adaptor 140 and the cover body 120, wherein the water inlet channel is communicated with the water inlet end of the core assembly 130, and the water outlet channel is communicated with the water outlet end of the core assembly 130.

It should be noted that the filter element assembly 100 of the present invention is communicated with the water channel plate of the water purifier through the filter element fastener 200 (see fig. 7) of the water purifier. Wherein, a raw water channel and a purified water channel which are separated from each other are formed between the filter element clamping piece 200 and the waterway plate in a matching way.

The following description is made with respect to the operation and disassembly of the cartridge arrangement as described above:

before raw water is filtered, the filter element structure 100 is clamped on a filter element clamping piece 200 (see fig. 7) of the water purifier, specifically, a cover body 120 of the filter element structure 100 is clamped with the filter element clamping piece 200, the filter element clamping piece 200 is further pressed and abutted against a second adapter 150 to apply downward pressing force to the second adapter 150, the second adapter 150 slides downward, so that a water inlet channel (see fig. 3 and 6) is formed between the second adapter 150 and the cover body 120, a water inlet end of the inner core assembly 130 is communicated with a raw water channel formed between the filter element clamping piece 200 and a water channel plate through a water purifying channel, and a water outlet end of the inner core assembly 130 is communicated with the water purifying channel formed between the filter element clamping piece 200 and the water channel plate through a water outlet channel. Raw water sequentially flows through a raw water channel and a water inlet channel formed between the filter element clamping piece 200 and the water channel plate and enters the inner core assembly 130 from the water inlet end of the inner core assembly 130 to be filtered. The purified water filtered by the inner core assembly 130 flows out from the water outlet end of the inner core assembly 130 and flows through the water outlet channel, the purified water channel formed between the filter element clamping piece 200 and the water channel plate in sequence, and is discharged.

Before cleaning the inner core assembly 130 of the filter element structure 100, the outer shell 110 is removed from the cover 120, and then the inner core assembly 130 is removed from the first adapter 140, so that the user can clean the inner core assembly 130 by himself, and the purpose of recycling and prolonging the service life of the filter element structure 100 is achieved.

As can be seen, in the filter element structure 100 as described above, the second adaptor 150 is slidably disposed between the cover body 120 and the first adaptor 140 until sliding downward to form a water inlet channel communicating with the water inlet end of the core assembly 130 between the cover body 120 and the second adaptor 150, and at the same time, a water outlet channel communicating with the water outlet end of the core assembly 130 is formed between the first adaptor 140 and the cover body 120, so that raw water can flow into the core assembly 130 through the water inlet channel for filtration, and is discharged through the water outlet channel after filtration; in addition, the cover body 120 is detachably covered on the outer shell 110, and the inner core assembly 130 is detachably abutted with the first adapting piece 140, so that the user can conveniently detach the inner core assembly 130 from the filter element structure 100, the inner core assembly 130 can be automatically cleaned, and the purposes of recycling and prolonging the service life of the filter element structure 100 are achieved. In summary, the filter element structure 100 as described above not only can achieve the function of filtering raw water, but also can achieve the self-cleaning of the inner core assembly 130 by the user, thereby achieving the purpose of recycling and prolonging the service life of the filter element structure 100.

As shown in fig. 1 to 4, in some embodiments of the present invention, the upper end of the first adapter 140 is closed, and the lower end of the first adapter has an opening; the lower end of the first rotating member 140 is fixed in the cover body 120, and the lower end of the first rotating member 40 is also butted with the inner core assembly 130; the upper end sidewall of the first adaptor 140 has at least one water outlet 140a distributed along the circumferential direction, and the at least one water outlet 140a can be exposed to the outside of the second adaptor 150, so that a water outlet channel is formed between the first adaptor 140 and the cover 120.

It should be noted that the first adapter 140 has an inner cavity, and the inner cavity is communicated with the lower end of the first adapter and the water outlet 140 a.

Alternatively, the number of the water outlets 140a may be set to 4, and the 4 water outlets 140a may be uniformly distributed in the circumferential direction.

Further, as shown in fig. 3, a first step 121 is provided in the cover 120; the outer diameter of the lower end of the first transfer member 140 is greater than the outer diameter of the upper end; the lower end of the first adaptor 140 abuts against the lower surface of the first step 121; a plurality of first clamping pieces 141 (see fig. 2 and 8) distributed along the circumferential direction are arranged at the connection between the lower end and the upper end of the first transfer member 140, and each first clamping piece 141 is clamped on the upper surface of the first step 121. The upper end of the first adaptor 140 penetrates into the second adaptor 150 from bottom to top until the first clamping member 141 is clamped on the upper surface of the first step 121, and meanwhile, the lower end of the first adaptor 140 abuts against the lower surface of the first step 121, the first step 121 in the cover body 120 can block the first clamping member 141 from moving downwards and can also block the lower end of the first adaptor 140 from moving upwards, so that the first adaptor 140 can be fixed, and the first adaptor 140 can be conveniently detached by the fixing mode, thereby facilitating the replacement of the first adaptor 140.

Alternatively, as shown in fig. 2 and 8, the first clamping member 141 is provided in an inverted L-shaped block structure in which a side wall of a vertical portion of the first clamping member 141 is connected (e.g., integrally molded) with an upper end of the first transfer member 140, and a bottom wall of the vertical portion is connected (e.g., integrally molded) with a lower end top wall of the first transfer member 140.

Alternatively, the number of first clamping members 141 may be set to 2 or 3, which may be evenly distributed in the circumferential direction.

Further, in some embodiments of the present invention, as shown in fig. 4, at least one first sealing element 161 is disposed between the first adapter 140 and the second adapter 150 at a vertical interval; at least one second sealing member 162 is disposed between the first adapter 140 and the cover 120 at a vertical interval. The first sealing member 161 is used for sealing a gap between the first adapter 140 and the second adapter 150, and the second sealing member 162 is used for sealing a gap between the first adapter 140 and the cover body 120.

Specifically, the upper end of the first adapter 140 is provided with at least one first mounting groove along the vertical direction, and each first sealing element 161 is disposed in the corresponding first mounting groove; the lower end of the first adapter 140 is opened with at least one second mounting groove along the vertical direction, and each second sealing element 162 is disposed in the corresponding second mounting groove.

Optionally, the first and second seals 161, 162 are rubber sealing rings.

Alternatively, the number of the first sealing members 161 is set to 2, and the 2 first sealing members 161 are located at upper and lower sides of the at least one water outlet port 140 a. It is understood that the number of the first mounting grooves is also set to 2.

Alternatively, the number of the second seals 162 is set to 1. It is understood that the number of the second mounting grooves is also set to 1.

Further, in some embodiments of the present invention, as shown in fig. 8, a plurality of guide ribs 142 are provided on an outer wall of an upper end of the first adapter 140 at intervals in a circumferential direction. The guide ribs 142 guide the first adapter part 140 during assembly, so that the first adapter part 140 can be quickly assembled into the second adapter part 10.

Alternatively, the number of the guide ribs 142 may be set to 4 to 6; in addition, a part of the guide ribs 142 may be connected (e.g., integrally molded) with the horizontal part of the first fastening member 141.

As shown in fig. 5 and 6, in some embodiments of the present invention, at least one displacement groove 120a is circumferentially disposed on the inner wall of the cover 120, and each displacement groove 120a is communicated with the accommodating cavity; the offset end of the second adaptor 150 is used for being attached to the inner wall of the cover 120 when not pressed, and for being slidable to at least one offset groove 120a when pressed downward, so that a water inlet channel is formed between the second adaptor 150 and the cover 120. It will be appreciated that when the offset end of the second adaptor 150 slides to the at least one offset slot 120a, the at least one water outlet port 140a on the first adaptor 140 is exposed to the exterior of the second adaptor 140.

Alternatively, the number of the offset grooves 120a is set to 4, the 4 offset grooves 120a are uniformly distributed along the circumferential direction, and each offset groove 120a extends along the axial direction of the second adaptor 150 until communicating with the accommodation chamber.

In particular to some embodiments of the present invention, as shown in fig. 4, the second adaptor 150 includes: an inner housing 151 and an outer housing 152 fitted around the outside of the lower end of the inner housing 151; the outer housing 152 forms the offset end of the second adaptor 150; the inner housing 151 is adapted to engage with the outer wall of the water outlet end of the first adapter 140 when the outer housing 152 is not pressed downward, so as to separate the inner cavity of the first adapter 140 from the inner cavity of the cover 120. It will be appreciated that the water outlet 140a of the first adapter 140 opens onto the water outlet end of the first adapter 140, and that the water outlet end of the first adapter 140 is exposed to the outside of the inner housing 151 when the outer housing 152 is slid down to the offset groove 120 a.

When the filter cartridge assembly 100 is mounted on the filter cartridge 200, the first sidewall of the filter cartridge 200 is covered on the cover 120; the second sidewall 220 of the cartridge latch 200 abuts the top wall of the outer housing 152, and the second sidewall of the cartridge latch 200 abuts the upper outer wall of the inner housing 151. Wherein the first sidewall of the cartridge clip 200 surrounds the second sidewall with a gap therebetween.

Further, as shown in fig. 4, in some embodiments of the present invention, at least one third sealing element 163 is disposed on the outer wall of the outer shell 152 at intervals along the vertical direction; at least one fourth sealing member 164 is provided on an outer wall of the inner housing 151 at intervals in a vertical direction. The third sealing member 163 is used to seal the gap between the outer case 152 and the cover 120 when the outer case 152 is not pressed downward; the fourth seal member is used to seal the gap between the inner housing 152 and the second sidewall of the cartridge clip 200.

Specifically, at least one third mounting groove is formed in the outer wall of the outer shell 152 along the vertical direction, and each third sealing element 163 is disposed in the corresponding third mounting groove; at least one fourth mounting groove is formed in the outer wall of the upper end of the inner housing 151 in the vertical direction, and each fourth sealing member 164 is disposed in the corresponding fourth mounting groove.

Optionally, the third and fourth seals 163, 164 are rubber seals.

Alternatively, the number of the third sealing member 163 is set to 1, and it is understood that the number of the third mounting grooves is also set to 1.

Alternatively, the number of the fourth seals 164 is set to 2. It is understood that the number of the fourth mounting grooves is also set to 2.

Further, in some embodiments of the present invention, as shown in fig. 4 and 9, at least one second clamping member 153 is circumferentially disposed on the offset end of the second adaptor 150; the at least one second retainer 153 is configured to retain the second adaptor 150 within the cover 120 when the second adaptor 150 is not pressed downward. It will be appreciated that the downward compression force exerted by the cartridge clip 200 on the second adapter 150 is greater than the clamping force exerted by the at least one second clamping member 153 on the second adapter 150. The second fastening member 150 can support the second adaptor 150 in the cover 120, so that the filter cartridge fastener 200 can apply downward pressing force to the second adaptor 150, and the opening of the water inlet channel and the water outlet channel of the filter cartridge structure 100 is facilitated; in addition, the second retainer 150 also facilitates the installation and removal of the second adaptor 150 from the cover 120.

Alternatively, the number of the second clamping members 153 is set to 4, and the 4 second clamping members 153 are evenly distributed in the circumferential direction.

Optionally, as shown in fig. 2, a second step 122 is disposed inside the cover body 120, and through holes are disposed at intervals along the circumferential direction on the second step 122, and each through hole is communicated with a corresponding offset groove 120 a; as shown in fig. 9, each second retainer 153 includes: a connecting portion 1531 connected to the offset end of the second adaptor 150 and extending in a direction close to the core assembly 130, and a locking protrusion 1532 connected to the free end of the connecting portion 1531, wherein the locking protrusion 1532 is locked to the second step 122 through a corresponding through hole of the second step 122.

Optionally, the locking protrusion 1532 is a right-angle trapezoidal structure, and the bottom wall of the right-angle trapezoidal structure presses against the lower surface of the second step 122.

In some embodiments of the present disclosure, as shown in fig. 1 to 4, the filter cartridge structure 100 further includes: the reset piece 170 abuts between the cover 120 and the second adaptor 150, and the reset piece 170 is used for being in a compressed state when the second adaptor 150 is pressed downwards. After the filter element structure 100 is detached from the filter element fastener 200, the resetting piece 170 resets to jack up the second adapter 150 upward, so that the water inlet channel and the water outlet channel of the filter element structure 100 are both closed (see fig. 2 and 5), and thus, the filter element fastener 200 effectively extrudes the second adapter 150 downward when the filter element structure 100 is installed on the filter element fastener 200 again.

In particular, in some embodiments of the present invention, the return member 170 is a spring. Wherein, the material of this spring is food level stainless steel.

Alternatively, as shown in fig. 2, the upper end of the restoring member 170 presses against the top wall of the outer housing 152 of the second adaptor 150, and the lower end of the restoring member 170 presses against the second step 122 of the cover 120.

As shown in fig. 1, 2, 3 and 10, in some embodiments of the present invention, the inner core assembly 130 includes: a support housing 131, a core housing 132, a core 133, and a docking housing 134 that docks with a first docking member 140; the core shell 132 is provided with at least one water inlet 132a communicated with the accommodating cavity; the core housing 132 is connected with the docking housing 134 through the support housing 131; the core 133 is embedded in a mounting cavity formed between the docking case 134, the support case 131, and the core case 132; the docking housing 134 has a drain port 134a communicating with the inner cavity of the first adapter 140. It will be appreciated that the water inlet 132a of the core housing 132 opens at the water inlet end of the core assembly 130 and the water outlet 134a of the core housing 134 forms the water outlet end of the core assembly 130.

Alternatively, a plurality of water inlet groups are uniformly arranged in the circumferential direction, and each group of water inlets 132a is distributed in the axial direction of the core housing 132. For example, the number of the water inlets 132a is set to 4, and the number of the water inlets 132a per one group is set to 2.

Alternatively, the support housing 131 may be connected to the docking housing 134 by a gel.

Further, the core case 132 is engaged with the support case 131, so that the core case 132 is easily mounted and dismounted.

In some embodiments of the present invention, as shown in fig. 10, an annular slot 131a is disposed on an outer wall of the supporting housing 131; an annular clamping table 1321 is arranged on the inner wall of the inner core shell 132; ring retainer 1321 is retained in ring retainer groove 131 a.

Optionally, when the ring holder 1321 is engaged with the ring slot 131a, a gap is formed between the ring holder 1321 and the ring slot 131a, so that the ring holder 1321 can be easily taken out of the ring slot 131 a.

As shown in fig. 4, in some embodiments of the present invention, the cover 120 includes: the inner cylinder body 123 and the outer cylinder body 124 are sleeved outside the lower end of the inner cylinder body 123; the outer cylinder 124 is connected with the filter element clamping piece 200 and the shell 110; the first adaptor 140 is fixed in the inner cylinder 123; the second adaptor 150 is slidably disposed between the inner cylinder 123 and the first adaptor 140.

Optionally, outer barrel 124 snaps into engagement with cartridge clip 200. Wherein, a clamping buckle (see fig. 11 and 12) for clamping the filter element clamping piece 200 is arranged on the top wall of the outer cylinder 124.

Optionally, outer cylinder 124 is threadably connected to housing 110. Wherein, the outer wall of outer barrel 124 is provided with the screw thread, is provided with the screw thread that matches with the screw thread on the outer wall of outer barrel 124 on the inner wall of shell 110. Alternatively, outer barrel 124 snaps into place with housing 110. Wherein, the lateral wall of outer barrel 124 is provided with a plurality of chucking buckles along circumference interval, is provided with a plurality of draw-in grooves along circumference interval on the inner wall of shell 110, and every chucking buckle joint is in the draw-in groove that corresponds.

Optionally, as shown in fig. 4, at least one fifth seal 165 is vertically spaced between the outer cylinder 124 and the housing 110, and at least one sixth seal 166 is vertically spaced between the inner cylinder 123 and the cartridge clip 200. Fifth seal 165 is used to seal the gap between outer barrel 124 and housing 110, and sixth seal 166 is used to seal the gap between inner barrel 123 and cartridge 200.

Optionally, the fifth and sixth seals 165, 166 are rubber seal rings.

Optionally, at least one fifth mounting groove (for example, 2) is formed in the outer wall of the outer cylinder 124 at intervals in the vertical direction, and the fifth sealing element 165 is mounted in the corresponding fifth mounting groove; at least one sixth installation groove is formed in the outer wall of the inner cylinder 123 at intervals in the vertical direction, and the sixth sealing members 166 are installed in the corresponding sixth installation grooves (for example, 2).

Further, in some embodiments of the present invention, as shown in fig. 2, a first step 121 is disposed on an inner wall of the lower end of the inner cylinder 123, a second step 122 is disposed on an outer wall of the lower end of the inner cylinder 123, and the second step 122 is located above the first step 121; the lower end of the first adapter 140 abuts against the lower surface of the first step 121, and each first clamping member 141 is clamped on the upper surface of the first step 121; the second step 122 is provided with through holes at intervals along the circumferential direction, each through hole is communicated with the corresponding offset groove 120a, and the fastening protrusion 1532 of each second fastening member 153 passes through the corresponding through hole on the second step 122 to be fastened on the second step 122.

Further, in some embodiments of the present invention, as shown in fig. 10, at least one seventh sealing member 167 is disposed between the inner cylinder 123 and the inner core shell 132 along the vertical direction. The seventh seal 167 is used to seal the gap between the inner cylinder 123 and the docking housing 134.

Optionally, the seventh seal 167 is a sealing rubber ring.

Optionally, at least one seventh mounting groove (e.g., 2) is provided on the outer wall of the docking housing 134 at intervals in the vertical direction, and the seventh sealing member 167 is mounted in the corresponding seventh mounting groove.

On the other hand, an embodiment of the present invention provides a water purifier, which comprises the filter element structure 100, the filter element fastener 200 and the water channel plate; the cover body 120 of the filter element structure 100 is connected with the filter element clamping piece 200, and the second adapter 150 of the filter element structure 100 is pressed against the filter element clamping piece 200; the filter cartridge fastener 200 is matched with the water path plate to form a raw water channel and a purified water channel which are separated from each other, the raw water channel is communicated with the water inlet channel of the filter cartridge structure 100, and the purified water channel is communicated with the water outlet channel of the filter cartridge structure 100.

In the water purifier as described above, the second adaptor 150 of the filter element structure 100 is slidably disposed between the cover 120 and the first adaptor 140 until sliding downward to form a water inlet channel communicating with the water inlet end of the core assembly 130 between the cover 120 and the second adaptor 150, and at the same time, a water outlet channel communicating with the water outlet end of the core assembly 130 is formed between the first adaptor 140 and the cover 120, so that raw water can flow into the core assembly 130 through the water inlet channel for filtering, and is discharged through the water outlet channel after being filtered; in addition, the cover body 120 is detachably covered on the outer shell 110, and the inner core assembly 130 is detachably abutted with the first adapting piece 140, so that the user can conveniently detach the inner core assembly 130 from the filter element structure 100, the inner core assembly 130 can be automatically cleaned, and the purposes of recycling and prolonging the service life of the filter element structure 100 are achieved. In summary, the water purifier described above not only can filter raw water, but also can clean the inner core assembly 130 by itself, so as to achieve the purpose of recycling and prolonging the service life of the filter element structure 100.

The utility model relates to a purifier is not limited to and is used for ultrafiltration purifier product, can also be used to water purification products such as reverse osmosis water purifier, clean drink machine.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (15)

1. A filter cartridge arrangement, characterized in that the filter cartridge arrangement (100) comprises: the device comprises a shell (110), a cover body (120), an inner core assembly (130), a first adapter (140) and a second adapter (150);

the cover body (120) is detachably covered on the outer shell (110) to form a containing cavity in cooperation with the outer shell (110);

the first rotating piece (140) is fixed in the cover body (120), and the first rotating piece (140) is detachably butted with the inner core assembly (130) positioned in the accommodating cavity;

the second adaptor (150) can be slidably arranged between the cover body (120) and the first adaptor (140) until the second adaptor slides downwards to form a water inlet channel between the second adaptor and the cover body (120), and simultaneously a water outlet channel is formed between the first adaptor (140) and the cover body (120), wherein the water inlet channel is communicated with a water inlet end of the inner core assembly (130), and the water outlet channel is communicated with a water outlet end of the inner core assembly (130).

2. The filter cartridge arrangement of claim 1, wherein the first adapter (140) is closed at an upper end and the first adapter (140) has an opening at a lower end;

the lower end of the first rotating piece (140) is fixed in the cover body (120), and the lower end of the first rotating piece (140) is also butted with the inner core assembly (130);

the side wall of the upper end of the first adapter (140) is provided with at least one water outlet (140a) distributed along the circumferential direction, and the at least one water outlet (140a) can be exposed to the outside of the second adapter (150), so that the water outlet channel is formed between the first adapter (140) and the cover body (120).

3. The filter cartridge arrangement of claim 2, wherein a first step (121) is provided in the cover (120);

the outer diameter of the lower end of the first transfer piece (140) is larger than that of the upper end of the first transfer piece, and the lower end of the first transfer piece (140) is abutted against the lower surface of the first step (121);

a plurality of first clamping pieces (141) distributed along the circumferential direction are arranged at the connecting position between the lower end and the upper end of the first rotating piece (140), and each first clamping piece (141) is clamped on the upper surface of the first step (121).

4. The filter cartridge arrangement according to claim 3, wherein each first clamping member (141) is provided in an inverted L-shaped block-like arrangement.

5. Filter element arrangement according to one of the claims 1 to 4, wherein at least one first sealing element (161) is arranged at a vertical distance between the first adapter (140) and the second adapter (150);

at least one second sealing element (162) is arranged between the first adapter (140) and the cover body (120) at intervals along the vertical direction.

6. The filter cartridge arrangement according to claim 1, wherein the cover (120) is provided with at least one indexing groove (120a) along the circumferential direction on the inner wall, each indexing groove (120a) being in communication with the housing chamber;

the dislocation end of the second adaptor (150) is used for being attached to the inner wall of the cover body (120) when not pressed downwards and for being capable of sliding to the at least one dislocation groove (120a) when pressed downwards, so that the water inlet channel is formed between the second adaptor (150) and the cover body (120).

7. The filter cartridge arrangement of claim 6, wherein the second adapter (150) comprises: the device comprises an inner shell (151) and an outer shell (152) sleeved outside the lower end of the inner shell (151);

the outer housing (152) constitutes a staggered end of the second adaptor (150);

the inner shell (151) is used for being attached to the outer wall of the water outlet end of the first adapter (140) when the outer shell (152) is not pressed downwards, so that the inner cavity of the first adapter (140) is separated from the inner cavity of the cover body (120).

8. The filter cartridge arrangement of claim 7, wherein the outer wall of the outer housing (152) is provided with at least one third seal member (163) at vertically spaced intervals;

at least one fourth sealing piece (164) is arranged on the outer wall of the upper end of the inner shell (151) at intervals along the vertical direction.

9. Filter element arrangement according to one of the claims 6 to 8, wherein the offset end of the second adapter (150) is provided with at least one second clamping member (153) in the circumferential direction;

the at least one second clamping member (153) is used for clamping the second adapter member (150) in the cover body (120) when the second adapter member (150) is not pressed downwards.

10. The filter cartridge arrangement of claim 1, wherein the filter cartridge arrangement (100) further comprises: a reset piece (170) abutting between the cover body (120) and the second adaptor (150);

the reset member (170) is adapted to be in a compressed state when the second adaptor member (150) is pressed downwardly.

11. A filter cartridge arrangement as claimed in claim 10, characterised in that the return member (170) is a spring.

12. The filter cartridge arrangement of claim 1, wherein the inner core assembly (130) comprises: a support housing (131), a core housing (132), a core (133), and a docking housing (134) that docks with the first docking member (140);

the inner core shell (132) is provided with at least one water inlet (132a) communicated with the accommodating cavity; the core housing (132) is connected with the docking housing (134) through the support housing (131);

the inner core (133) is embedded in a mounting cavity formed between the docking housing (134), the support housing (131) and the inner core housing (132);

the butt joint shell (134) is provided with a water outlet (134a) communicated with the inner cavity of the first adapter (140).

13. The filter cartridge arrangement of claim 12, wherein the support housing (131) is snap-fitted with the core housing (132).

14. A filter cartridge arrangement as claimed in claim 13, wherein the outer wall of the support housing (131) is provided with an annular slot (131 a);

an annular clamping table (1321) is arranged on the inner wall of the inner core shell (132);

the annular clamping table (1321) is clamped in the annular clamping groove (131 a).

15. A water purifier, characterized in that the water purifier comprises a filter element structure (100) according to any one of claims 1-14, a filter element fastener (200) and a waterway plate;

the cover body (120) of the filter element structure (100) is connected with the filter element clamping piece (200), and the second adapter piece (150) of the filter element structure (100) is pressed against the filter element clamping piece (200);

the filter element clamping piece (200) and the water circuit board are matched to form a raw water channel and a water purification channel which are separated from each other, the raw water channel is communicated with a water inlet channel of the filter element structure (100), and the water purification channel is communicated with a water outlet channel of the filter element structure (100).

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