CN214422362U - Composite filter element convenient to installation - Google Patents

Abstract

The utility model discloses a composite filter element convenient to install, which comprises a filter flask and a filter flask cover which are fixedly connected; the filter bottle is internally provided with a front filter element assembly, a rear filter element and a first sleeve, the first sleeve is positioned between the front filter element assembly and the rear filter element, and the first sleeve divides two independent water flow channels between the inner side of the front filter element assembly and the outer side of the rear filter element; the middle of the filter bottle cover is provided with a boss, positioning blocks are arranged on two sides of the boss, a water inlet and outlet interface is arranged in the boss, a water path conversion part is further fixed in the filter bottle cover, and a water inlet and outlet hole is formed in the water path conversion part and communicated with the water inlet and outlet interface. The utility model discloses with leading filter core, the integration of rearmounted filter core in a filter flask, make full use of the space in the filter flask, reduce the shared space of several filter cores to reduce the volume of water purifier greatly, satisfy the user demand of more occasions.

Description

Composite filter element convenient to installation

Technical Field

The utility model belongs to the technical field of water purification unit, in particular to combined filter convenient to installation.

Background

The current water purifier generally includes the RO filter core, for further protection RO filter core, can set up leading filter core in leading filtration water route, for further improving quality of water, obtains better taste, can set up rearmounted filter core in rearmounted filtration water route. The necessary parts of the water purifier cannot be reduced, so that the volume of the water purifier is directly related to the filter element. Generally, a single filter element is independently arranged in a single filter bottle, so that the water purifier is provided with a plurality of filter bottles, and each filter bottle needs to occupy the volume of the water purifier. The water purifier is too large in size, and may not be normally installed when the installation space of a user is limited.

Disclosure of Invention

The utility model aims at solving the above problem, provide a can reduce the filter core and occupy the volume, the composite filter core of the installation of being convenient for.

Therefore, the technical scheme of the utility model is that: a composite filter element convenient to install comprises a filter flask and a filter flask cover which are fixedly connected; the filter bottle is internally provided with a front filter element assembly and a rear filter element, the front filter element assembly is of an annular structure, and the rear filter element is arranged in the front filter element assembly;

the method is characterized in that: the filter also comprises a first sleeve, the first sleeve is positioned between the front filter element assembly and the rear filter element, and the first sleeve divides two independent water flow channels between the inner side of the front filter element assembly and the outer side of the rear filter element; a boss is arranged in the middle of the filter bottle cover, positioning blocks are arranged on two sides of the boss, 4 water inlet and outlet interfaces are arranged in the boss, and a self-sealing water assembly is arranged in each water inlet and outlet interface; a waterway conversion piece is further fixed inside the filter bottle cap, and 4 water inlet and outlet holes are formed in the waterway conversion piece and communicated with a water inlet and outlet interface in the boss.

Preferably, a first water inlet channel is formed between the outer side of the front filter element assembly and the inner wall of the filter bottle, and a first water outlet channel is formed between the inner side of the front filter element assembly and the outer wall of the first sleeve; a second water inlet channel is arranged between the outer side of the rear filter element and the inner wall of the first sleeve, and a second water outlet channel is arranged at the middle position of the rear filter element.

Preferably, the 4 water inlet and outlet holes on the waterway conversion member are respectively a first water inlet hole, a first water outlet hole, a second water inlet hole and a second water outlet hole; the water channel conversion piece is provided with 3 circles of concentric circular protective walls towards one side of the rear filter element and is divided into a first protective wall, a second protective wall and a third protective wall from inside to outside, a first water inlet hole is communicated with the outside of the third protective wall, a first water outlet hole is communicated with the second protective wall and the third protective wall, a second water inlet hole is communicated with the first protective wall and the second protective wall, and a second water outlet hole is communicated with the inside of the first protective wall.

Preferably, leading filter element group spare includes the cotton layer of PP and the activated carbon layer of coaxial setting, and the activated carbon layer is located the cotton in situ portion of PP.

When the filter element is installed, the boss of the filter bottle is inserted into the filter element fixing seat on the water circuit board or the filter element fixing device, and the positioning blocks on the two sides of the boss can be clamped by the stop block on the filter element fixing seat, so that the filter element is firmly clamped by the fixing block to realize the upper limit and the lower limit of the filter element.

Water enters the filter flask from a water inlet and outlet interface of the filter flask cover, flows along the first water inlet channel, enters from the side surface of the front filter element assembly, is filtered by the PP cotton layer and the activated carbon layer and then flows out from the first water outlet channel; the water after the primary filtration of the front filter element flows according to the water path design, for example, the water flows through a water inlet electromagnetic valve, a booster pump, an RO filter element and the like, and finally the water after the multi-layer filtration enters a first sleeve from a water inlet and outlet interface of the filter flask cover, enters from the side surface of the rear filter element, is filtered by the rear filter element and then flows out from the middle of the rear filter element along a second water outlet channel.

The utility model integrates the front filter element and the rear filter element in one filter flask, fully utilizes the space in the filter flask, reduces the space occupied by the filter elements, thereby greatly reducing the volume of the water purifier and meeting the use requirements of more occasions; the filter flask installs spacingly through the boss of lower extreme, during the installation disect insertion filter flask can, need not to rotate, it is more convenient to install.

Drawings

The following detailed description is made with reference to the accompanying drawings and embodiments of the present invention

FIG. 1 is a sectional view of the structure of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a top view of the structure of the present invention;

FIGS. 4 and 5 are schematic structural views of the waterway conversion member;

FIG. 6 is a schematic structural view of the self-sealing water assembly of the present invention;

fig. 7 is a schematic view of the installation of the present invention;

fig. 8 is a schematic diagram of the waterway of the operation of the present invention.

Labeled as: the filter flask comprises a filter flask 1, a filter flask cover 2, a boss 21, a trapezoid positioning block 22, a first water inlet connector 23, a first water outlet connector 24, a second water inlet connector 25, a second water outlet connector 26, a PP cotton layer 31, an activated carbon layer 32, a rear filter element 4, a first sleeve 5, a first water inlet channel 61, a first water outlet channel 62, a second water inlet channel 63, a second water outlet channel 64, a self-sealing water assembly 7, a base 71, a sealing member 72, a spring 73, an annular block 74, a sealing ring 75, a water channel conversion member 8, a first water inlet hole 81, a first water outlet hole 82, a second water inlet hole 83, a second water outlet hole 84, a first protective wall 85, a second protective wall 86, a third protective wall 87, a water inlet electromagnetic valve 90, a booster pump 91, an RO filter element 92, a wastewater electromagnetic valve 93, a one-way valve 94, a high-pressure switch 95, a water outlet faucet 96, a water channel plate 10, a filter element seat 11, a sliding unit 12, a trapezoid stopper 121, a push rod 122, a trapezoid positioning block 22, a piston, and a piston rod, A fixed locking unit 13, a motor 14, a cam 15 and a return spring 16.

Detailed Description

See the drawings. The composite filter element comprises a filter flask 1 and a filter flask cover 2 which are fixedly connected; be equipped with leading filter element group spare, first sleeve pipe 5 and rearmounted filter core 4 in the filter flask 1, leading filter element group spare is the annular structure, including the cotton layer 31 of PP and the active carbon layer 32 of coaxial setting, the active carbon layer is located the cotton in situ portion of PP. The first sleeve 5 is positioned in the activated carbon layer 32, the rear filter element 4 is arranged in the first sleeve 5, and the first sleeve 5 separates two independent water flow channels between the inner side of the front filter element component and the outer side of the rear filter element 4.

A first water inlet channel 61 is arranged between the outer side of the front filter element assembly and the inner wall of the filter flask, and a first water outlet channel 62 is arranged between the inner side of the front filter element assembly and the outer wall of the first sleeve 5; a second water inlet channel 63 is formed between the outer side of the rear filter element 4 and the inner wall of the first sleeve 5; the middle position of the post-filter element 4 is a second water outlet channel 64.

A boss 21 is arranged in the middle of the filter bottle cap 2, trapezoidal positioning blocks 22 are arranged on two sides of the boss, 4 water inlet and outlet interfaces are arranged in the boss and comprise a first water inlet interface 23, a first water outlet interface 24, a second water inlet interface 25 and a second water outlet interface 26, and a self-sealing water assembly 7 is arranged in each water inlet and outlet interface; the filter bottle cap is characterized in that a water path conversion part 8 is further fixed inside the filter bottle cap, and the water path conversion part is provided with 4 water inlet and outlet holes which are respectively a first water inlet hole 81, a first water outlet hole 82, a second water inlet hole 83 and a second water outlet hole 84 and are communicated with a water inlet and outlet interface in the boss. The waterway conversion piece 8 is provided with 3 circles of concentric circular protective walls towards one side of the rear filter element, and is divided into a first protective wall 85, a second protective wall 86 and a third protective wall 87 from inside to outside, a first water inlet hole 81 is communicated with the outside of the third protective wall 87, a first water outlet hole 82 is communicated with the second protective wall and the third protective wall, a second water inlet hole 83 is communicated with the first protective wall and the second protective wall, and a second water outlet hole 84 is communicated with the inside of the first protective wall 85.

The self-sealing water assembly 7 comprises a base 71, a sealing element 72 and a spring 73, wherein the base is of a hollow cylindrical structure, a protruding annular block 74 is arranged inside the base, and the aperture in the middle of the annular block is smaller than the apertures of the upper end and the lower end of the base; the sealing member is T-shaped, the small end of the sealing member penetrates through the annular step surface, the sealing ring 75 is sleeved at the lower end of the sealing member and abuts against the step surface below the annular block, the spring is sleeved on the sealing member, one end of the spring abuts against the large end of the sealing member, and the other end of the spring abuts against the step surface above the annular block.

As shown in fig. 7, a filter element fixing seat is arranged on the water channel plate 10, the filter element fixing seat comprises a filter element seat 11, a sliding unit 12 and a fixing and locking unit 13, 4 filter element connectors are arranged in the filter element seat 11, sliding rails are arranged on two sides inside the filter element seat, and the sliding unit 12 is arranged in the filter element seat 11 and can move along the sliding rails; a first opening is formed in the middle of the sliding unit 12, and a plurality of trapezoidal stoppers 121 are arranged on two sides of the first opening; the fixed locking unit 13 is positioned above the sliding unit 12 and fixed with the filter element seat 11, and a second elongated slot-shaped opening is formed in the middle of the fixed locking unit. The water circuit board 10 is also provided with a motor 14 and a cam 15, the motor is positioned at one side of the filter element seat, and the cam is arranged on the motor; the sliding unit 12 is provided with a push rod 122 on one side facing the motor, the protruding part of the cam cooperates with the push rod, the cam pushes the sliding unit to slide inwards, and the inner side of the sliding unit is provided with a return spring 16.

The boss 21 on the filter bottle 1 is inserted in alignment with the second opening in the middle of the fixed locking unit 13, and the trapezoid positioning blocks 22 on both sides of the boss slide downwards along the trapezoid stopper 121 of the sliding unit, so that the sliding unit slides inwards along the slide rail, i.e. away from the motor 14. When the filter cartridge is inserted into position, the slide unit 12 is moved back towards the motor 14 by the return spring 16, returning to the position before insertion of the filter cartridge. Therefore, the trapezoidal stop block 121 of the sliding unit is blocked on the trapezoidal positioning block 22 of the filter bottle to limit and fix the filter element up and down.

Raw water a sequentially enters the filter flask 1 from the first water inlet port 23 of the filter flask cover 2 and the first water inlet hole 81 of the water path conversion piece, flows along the first water inlet channel 61, enters from the side surface of the front filter element assembly, is filtered by the PP cotton layer 31 and the activated carbon layer 32, and then flows out of primary filtered water b from the first water outlet channel 62, the first water outlet hole 82 and the first water outlet port 24 of the filter flask cover 2;

the initial filtration water b flows according to the water route design, the water inlet solenoid valve 90 flows through, the booster pump 91, RO filter core 92, the waste water end of RO filter core 92 passes through waste water solenoid valve 93 and connects the waste water mouth, RO filter core 92's pure water end passes through check valve 94 and connects composite filter core, pure water c is from the second water inlet interface 25 of filter bottle lid, the second inlet opening 83 of water route adaptor gets into in the first sleeve 5, and get into from the 4 sides of rearmounted filter core, the water after the filtration flows from the second passageway 64 that goes out of rearmounted filter core intermediate position, at last through high pressure switch 95, flow from leading 96 of going out.

Claims (4)

1. A composite filter element convenient to install comprises a filter flask and a filter flask cover which are fixedly connected; the filter bottle is internally provided with a front filter element assembly and a rear filter element, the front filter element assembly is of an annular structure, and the rear filter element is arranged in the front filter element assembly;

the method is characterized in that: the filter also comprises a first sleeve, the first sleeve is positioned between the front filter element assembly and the rear filter element, and the first sleeve divides two independent water flow channels between the inner side of the front filter element assembly and the outer side of the rear filter element; a boss is arranged in the middle of the filter bottle cover, positioning blocks are arranged on two sides of the boss, 4 water inlet and outlet interfaces are arranged in the boss and comprise a first water inlet interface, a first water outlet interface, a second water inlet interface and a second water outlet interface, and a self-sealing water assembly is arranged in each water inlet and outlet interface; a water path conversion part is fixed in the filter bottle cap, 4 water inlet and outlet holes are formed in the water path conversion part and communicated with the water inlet and outlet interfaces in the boss, and a first water outlet channel is formed between the inner side of the front filter element assembly and the outer wall of the first sleeve and communicated with the first water outlet interface; and a second water inlet channel is formed between the outer side of the rear filter element and the inner wall of the first sleeve and communicated with a second water inlet connector.

2. A composite filter element for ease of installation according to claim 1 wherein: a first water inlet channel is arranged between the outer side of the front filter element component and the inner wall of the filter bottle and communicated with a first water inlet connector, and a second water outlet channel is arranged at the middle position of the rear filter element and communicated with a second water outlet connector.

3. A composite filter element for ease of installation according to claim 1 wherein: the 4 water inlet and outlet holes on the waterway conversion piece are respectively a first water inlet hole, a first water outlet hole, a second water inlet hole and a second water outlet hole; the water channel conversion part is provided with 3 circles of concentric circular protective walls towards one side of the RO membrane assembly and is divided into a first protective wall, a second protective wall and a third protective wall from inside to outside, a first water inlet hole is communicated with the outside of the third protective wall, a first water outlet hole is communicated with the second protective wall and the third protective wall, a second water inlet hole is communicated with the first protective wall and the second protective wall, and a second water outlet hole is communicated with the inside of the first protective wall.

4. A composite filter element for ease of installation according to claim 1 wherein: leading filter element group spare includes the cotton layer of PP and the activated carbon layer of coaxial setting, and the activated carbon layer is located the cotton in situ portion of PP.

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