CN211366995U

CN211366995U - Portable outdoor water purifier

Info

Publication number: CN211366995U
Application number: CN201921313696.8U
Authority: CN
Inventors: 罗庭剑
Original assignee: Guangdong Wapu Technology Co Ltd
Current assignee: Guangdong Wapu Technology Co Ltd
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-08-28
Anticipated expiration: 2029-08-14

Abstract

The utility model provides a portable outdoor water purifier, which comprises a casing with an inner cavity, wherein a filter element assembly and a water pump assembly are arranged in the inner cavity, a raw water inlet of the filter element assembly is communicated with a liquid outlet end of the water pump assembly, the casing is movably connected with a connecting cover, a water bag part can be accommodated and arranged on the connecting cover, and the water bag part can be expanded to form a water receiving cavity on the connecting cover; the liquid inlet end of the water pump assembly is connected with a first water introducing part communicated with the water receiving cavity; the portable outdoor water purifier is formed with a backpack-shaped design through the flip design of the connecting cover and the application of the braces, so that the portable outdoor water purifier can meet the portable application requirements of users on the outdoor water purifier.

Description

Portable outdoor water purifier

Technical Field

The utility model relates to a water filtration technology field, concretely relates to portable outdoor water purifier.

Background

Military personnel, exploration and investigation personnel, surveying and mapping workers, mountain climbers and explorers, hiking enthusiasts, photography and sketching enthusiasts and other field activity personnel often need to use field water sources as drinking water due to the inconvenience of carrying the drinking water. Open-air water sources such as river water, lake water, stream water, spring water, rainwater, snow water and the like are easily polluted by wild animals, plants, soil and the like, and can be drunk after being purified to remove pathogenic viruses and bacteria and oxidatively decomposing harmful substances.

At present, the existing water purifier structure is applied to the complex outdoor environment, and has the following defects:

1. the volume is generally large and is inconvenient to carry;

2. because the outdoor water source is supplied indefinitely, raw water is difficult to collect effectively, and the raw water supply requirement of water purification application cannot be met;

3. the structure is instable to install and is difficult to deal with the condition of bumpy transportation in outdoor journey;

4. the circuit and the water route are mixed in the inner structure, which causes difficulty in installation and maintenance and low working reliability in a complex outdoor environment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a portable outdoor water purifier for overcoming the defects of the prior art.

The portable outdoor water purifier comprises a casing provided with an inner cavity, wherein a filter element assembly and a water pump assembly are arranged in the inner cavity, a raw water inlet of the filter element assembly is communicated with a liquid outlet end of the water pump assembly, the casing is movably connected with a connecting cover, a water bag part capable of being accommodated is arranged on the connecting cover, and a water receiving cavity is formed in the water bag part in an expandable manner on the connecting cover; and the pump liquid inlet end of the water pump assembly is connected with a first water introducing part communicated with the water receiving cavity.

Furthermore, the casing is provided with a support bracket for supporting the back of the user, and the outer side of the casing corresponding to the support bracket is connected with a strap for the user to carry.

Furthermore, the upper side and the front side of the shell are provided with first openings communicated with the inner cavity, and the connecting cover comprises a top cover matched with the upper side of the shell and a side cover matched with the front side of the shell; the lower end of the side cover is connected with the rotating shaft at the lower end of the shell, and the connecting cover is turned over and closed at the first opening position; the water bag portion is disposed at a closing side position of the connection cover so as to be storable.

Further, the water bag part comprises a water bag body fixedly arranged on the closed side surface of the side cover, the water bag body is provided with a bag opening, and the periphery of the bag opening is provided with a plurality of penetrating sleeves; still include the location rope, the location rope cross-under is connected in the nipple, location rope detachably connect in the closed side position of top cap reaches casing front side position.

The water diversion switching valve is provided with a valve liquid outlet end, a first liquid inlet end and a second liquid inlet end, wherein the first liquid inlet end and the second liquid inlet end are communicated with the valve liquid outlet end; the liquid outlet end of the valve is connected with the liquid inlet end of the pump of the water pump assembly, and the first liquid inlet end is connected with the first water diversion part; the casing is further provided with a water receiving port, and the second liquid inlet end is connected with a second water introducing part communicated with the water receiving port.

Further, the filter element assembly comprises a first filter element part and a second filter element part; the first filter element part, the second filter element part and the water pump assembly are connected with the water path plate assembly to form communication, and the raw water inlet is arranged on the first filter element part; and the waterway plate component is provided with a pump liquid outlet flow passage which is communicated with the raw water inlet and the pump liquid outlet end.

Furthermore, a water supply port is further formed in the machine shell, a third water introducing part communicated with a pump-out liquid flow channel is arranged on the water path plate assembly, and the third water introducing part is connected with the water supply port.

Further, first filter core portion and the vertical portion of second filter core portion are located inner chamber both sides position, water pump assembly set up in first filter core portion with between the second filter core portion, water route board subassembly set up in first filter core portion, second filter core portion and water pump assembly below.

Further, waterway board subassembly upside is provided with the locating support, the locating support includes first installation shell, first installation shell is formed with and is used for the first installation cavity of first filter core portion installation, be provided with on the first installation shell with the first installation opening of first installation cavity intercommunication, but be provided with first tight upper cover on the first installation opening with the switching lid closes, works as when first tight upper cover is closed, first tight upper cover downside butt press in first filter core portion upside, in order to right first filter core portion is exerted and is had the orientation the tight pressure that closes of waterway board subassembly.

Furthermore, a first interface, a second interface and a third interface are arranged on the positioning support, and the water pump assembly comprises a pump body, a pump piston connected with the pump body, a water pump driving handle and a support rod; the pump body is provided with the pump liquid outlet end and the pump liquid inlet end, and the pump driving handle is hinged with the upper end of the pump piston; the fulcrum of the water pump driving handle is hinged with the upper end of the supporting rod, and the lower end of the supporting rod is hinged with the pump body; the pump body is installed and connected to the first interface, the water pump driving handle is detachably arranged, and the detached water pump driving handle is connected to the second interface in an assembling mode; the waterway plate component is provided with a water guide pipe for guiding filtered water out in an extending mode, and the water guide pipe is attached to the third connector.

Further, a composite filter element structure is applied to the first filter element part, the composite filter element structure comprises a filter element shell, and the lower end of the filter element shell is provided with the raw water inlet and the first filtered water outlet; a filter material component is arranged in the filter element shell and comprises a first filter layer arranged at the lower part and a second filter layer arranged at the upper part, and a raw water flow passage communicated with the raw water inlet is formed between the inner side wall of the lower part of the filter element shell and the outer side of the first filter layer; a first blocking wall is arranged on the inner side of the first filter layer, a first water inlet flow channel is formed by communication between the first blocking wall and the inner side of the first filter layer and communication between the inner side wall of the upper part of the filter element shell and the outer side of the second filter layer, and a partition part is arranged between the first filter layer and the second filter layer to form a partition between the raw water flow channel and the first water inlet flow channel; a first water outlet flow channel is arranged between the inner side of the second filter layer and the first filtered water outlet.

The second filter element part comprises a first filtered water inlet and a second filtered water outlet, and the first filtered water inlet is communicated with the first filtered water outlet through the waterway plate component; the lower end of the filter element shell is also provided with a second filtered water inlet and a third filtered water outlet, a third filtering layer is arranged on the inner side of the first blocking wall, a second water inlet flow channel is arranged between the second filtered water inlet and the third filtering layer, and a second water outlet flow channel is arranged between the third filtering layer and the third filtered water outlet; the second water inlet channel is communicated with the second filtered water outlet through the waterway plate component.

Furthermore, a second blocking wall is arranged between the first blocking wall and the third filter layer, a third blocking wall is arranged on the inner side of the second filter layer, the second blocking wall is connected with the third blocking wall, and the inner side of the second filter layer is communicated with the third blocking wall and the first blocking wall and the second blocking wall to form the first water outlet flow channel; and a second water inlet flow channel is formed between the second blocking wall and the outer side of the third filter layer, and a second water outlet flow channel is arranged on the inner side of the third filter layer.

Furthermore, the first filter layer, the first baffle wall, the second baffle wall and the third filter layer are all annular and are sequentially arranged at the lower part of the filter material component layer by layer from outside to inside; the second filter layer and the third baffle wall are annular and are arranged on the upper part of the filter material component layer by layer from outside to inside; the first filter layer, the second filter layer, the third filter layer, the first blocking wall, the second blocking wall and the third blocking wall are coaxially arranged.

Further, the partition part is a waterproof sealing ring sleeved between the first filter layer and the second filter layer, and the outer periphery of the waterproof sealing ring is in sealing contact with the inner side wall of the filter element shell.

Furthermore, the first blocking wall and the position between the inner sides of the first filter layers and the position between the inner side wall of the upper part of the filter element shell and the outer side of the second filter layer are staggered in the vertical direction, a drainage section is radially extended from the upper end of the first blocking wall, and the first blocking wall and the inner side of the first filter layers and the outer side of the inner side wall of the upper part of the filter element shell and the outer side of the second filter layers are communicated through the drainage section to form the first water inlet flow channel.

Furthermore, the inside lower extreme of filter core casing vertically extends and is provided with first conchal wall, second conchal wall and third conchal wall, filter core casing inside wall with be formed with between the first conchal wall lateral wall and be used for connecting the raw water runner is with the first pipeline of raw water import, be formed with between first conchal wall inside wall and the second conchal wall lateral wall and be used for connecting the second that first goes out water runner and first drainage export connects, be formed with between second conchal wall inside wall and the third conchal wall lateral wall and be used for connecting the third that second advances water runner and second drainage import connects, be formed with between the third conchal wall inside wall and be used for connecting the fourth pipeline of second play water runner and third drainage export.

Furthermore, the lower end of the filter material component is provided with a first end layer, a second end layer and a third end layer in a layered manner, the outer diameters of the first end layer, the second end layer and the third end layer are sequentially decreased progressively, and the outer diameter of the first end layer is smaller than the outer diameter of the lower end surface of the filter material component; first terminal layer is provided with the first drainage that is used for first drainage to draw forth mouthful, the second terminal layer is provided with the second drainage that is used for the second drainage to draw forth mouthful and the third terminal layer is provided with the third drainage that is used for the third drainage to draw forth mouthful, first conch wall and second conch wall with first terminal layer location fit, the second conch wall with the third conch wall with second terminal layer location fit, the third conch wall with third terminal layer location fit, the order first drainage draw mouthful with the second connects the way intercommunication the second drainage draw mouthful with the third connects the way intercommunication the third drainage draw mouthful with fourth connection intercommunication.

Further, filter core casing upper portion is provided with the casing opening, the dress connects to dismantle in casing opening position and is provided with the filter core upper cover, filter media subassembly upper portion location install in filter core upper cover downside.

Furthermore, the raw water inlet, the first filtered water outlet, the second filtered water inlet and the third filtered water outlet are arranged at the lower end of the filter element shell side by side.

The beneficial effects of the utility model reside in that:

1. the portable outdoor water purifier is formed with a backpack-shaped design through the flip design of the connecting cover and the application of the braces, so that the portable outdoor water purifier can meet the portable application requirements of users on the outdoor water purifier.

2. This portable outdoor water purifier through the applied combination that is provided with first water guide portion, second water guide portion and third water guide portion to satisfy its multi-end and introduce the raw water demand, thereby make this outdoor water purifier can satisfy different outdoor environment and use.

3. The water bag is applied, so that the outdoor water source collection and application is effectively met.

4. Can accomodate the setting through this water bag portion, combine the overall arrangement setting of this locating support, filter element group spare, water pump assembly and water route board subassembly, when satisfying each parts installation stability, can control this outdoor water purifier volume size more effectively to further satisfy this portable outdoor water purifier's the application demand of taking with oneself.

5. Through the arrangement of the composite filter element structure, multiple filter material layers are effectively integrated and applied in a single filter element structure, so that the composite filter element structure has better filtering performance; and has the beneficial effect of compact structure.

Drawings

FIG. 1 is a first schematic diagram of a portable outdoor water purifier according to the present invention;

FIG. 2 is a second schematic combination diagram of the portable outdoor water purifier of the present invention;

FIG. 3 is a schematic view of a first partial structure of the portable outdoor water purifier of the present invention;

FIG. 4 is a second partial schematic view of the portable outdoor water purifier of the present invention;

FIG. 5 is a third partial schematic view of the portable outdoor water purifier of the present invention;

fig. 6 is a schematic structural diagram of the composite filter element structure of the present invention;

fig. 7 is a schematic view of a filter element shell of the composite filter element structure of the present invention;

fig. 8 is a schematic view of a filter element assembly of the composite filter element structure of the present invention;

fig. 9 is a schematic view of a partial structure and a water flow structure of the composite filter element structure of the present invention;

description of reference numerals:

a machine shell 1, a top cover 101, a side cover 102, a cover buckling position 103, an inner cavity 11, a first opening 12, a cover buckling piece 121, a buckling position 13, a water receiving opening 14, a water supply opening 15, a water discharge opening 16, a supporting bracket 17, a strap 18, a water outlet cover,

a water bag body 21, a bag opening 22, a penetrating sleeve 23, a positioning rope 24, a connecting position 25, a positioning buckle 26, a water receiving cavity 27, a water filtering opening 28,

The filter comprises a first filter element part 3, a filter element shell 30, a raw water inlet 31, a first filtered water outlet 32, a second filtered water inlet 33, a third filtered water outlet 34, a first shell wall 35, a second shell wall 36, a third shell wall 37, a first channel 381, a second channel 382, a third channel 383, a fourth channel 384, a filter material component 4, a first filter layer 41, a second filter layer 42, a first filter layer 421, a second filter layer 422, a third filter layer 43, a first blocking wall 44, a second blocking wall 45, a third blocking wall 46, a first end layer 47, a first filtered water guide 471, a second end layer 48, a second filtered water guide 481, a third end layer 49, a third filtered water guide 491, a raw water flow passage 51, a first water inlet flow passage 52, a flow guiding section 521, a first water outlet flow passage 53, a second water inlet flow passage 54, a second water outlet flow passage 55, a waterproof sealing ring 56, a filter element upper cover 57, a first filter element upper cover shell wall 35, a third filter element,

A second filter element part 6, a waterway plate component 7, a water outlet end 71, a water guide pipe 72, a third water guide part 73, a water discharge end 74,

A pump body 81, a pump piston 82, a pump driving handle 83, a support rod 84, a pump liquid outlet end 85, a pump liquid inlet end 86, a water diversion switching valve 87, a knob 870, a first water diversion part 871, a filter 872, a second water diversion part 873,

The connector comprises a positioning support 9, a first interface 91, a second interface 92, a third interface 93, a first mounting shell 94, a second mounting shell 95, a first pressing upper cover 96 and a second pressing upper cover 97.

Detailed Description

In order to make the technical solution, objects and advantages of the present invention more clearly understood, the present invention is further explained with reference to the accompanying drawings and embodiments.

As shown in fig. 1 to 5, the portable outdoor water purifier of the present invention comprises a casing 1 and a connecting cover movably connected to the casing 1, wherein an inner cavity 11 is disposed in the casing 1, a first opening 12 communicated with the inner cavity 11 is disposed at an upper side and a front side of the casing 1, the connecting cover comprises a top cover 101 engaged with the upper side of the casing 1 and a side cover 102 engaged with the front side of the casing 1, and a lower end of the side cover 102 is connected to a lower end of the casing 1 through a rotating shaft; the top cover 101 is provided with a cover buckling position 103, the upper side of the casing 1 is provided with a cover buckling piece 121, the connecting cover can be turned over to cover the first opening 12, and the cover buckling piece 121 is in buckling fit with the cover buckling position 103.

When the connecting cover is closed at the first opening, one side of the connecting cover facing the inner cavity is a closed side; a water bag part is arranged at the closing side position of the connecting cover in a retractable manner; the water bag part comprises a water bag body 21 fixedly arranged on the closed side surface of the side cover 102, the water bag body 21 is provided with a bag opening 22, and the peripheries of the left side and the right side of the bag opening 22 are provided with a plurality of penetrating sleeves 23; the cross-under is connected with location rope 24 in the cover 23, casing 1 front side position is provided with lock joint position 13, the closed side position of top cap 101 is provided with connects the position 25, location rope 24 one end with connect the position 25 and connect, the other end through location buckle 26 with detachably lock joint connect in on the lock joint position 13.

When the positioning string 24 is detached from the fastening position 13, the water bag body 21 is in a storage state under the action of its own weight, so that the connecting cover can be stored in the inner cavity 11 when turned over and closed.

When the positioning rope 24 is fastened and connected at the fastening position 13, the water bag portion is in an unfolded state under the supporting action of the positioning rope 24 to form a water receiving cavity 27.

Be provided with filter element group spare and water pump assembly in the inner chamber 11, filter element group spare includes that vertical branch locates the first filter core portion 3 and the second filter core portion 6 of 11 both sides positions of inner chamber, water pump assembly set up in first filter core portion 3 with between the second filter core portion 6, first filter core portion 3 the second filter core portion 6 reaches water pump assembly below is provided with water route board subassembly 7, first filter core portion 3 the second filter core portion 6 reaches water pump assembly with water route board subassembly 7 is connected in order to form the intercommunication.

The water pump assembly is of a manual pump structure and comprises a pump body 81, a pump piston 82 connected with the pump body 81, a water pump driving handle 83 and a supporting rod 84; the pump body 81 is provided with a pump liquid outlet end 85 and a pump liquid inlet end 86, and the pump driving handle 83 is hinged with the upper end of the pump piston 82; the fulcrum of the water pump driving handle 83 is hinged with the upper end of the supporting rod 84, and the lower end of the supporting rod 84 is hinged with the pump body 81; the pump driving handle 83 is detachably disposed relative to the pump piston 82 and the supporting rod 84, and can be relatively independently received in the inner cavity 11.

A water diversion switching valve 87 is arranged on one side of the pump liquid inlet end 86, and the water diversion switching valve 87 is provided with a valve liquid outlet end, a first liquid inlet end and a second liquid inlet end which are communicated with the valve liquid outlet end; the liquid outlet end of the valve is connected with the pump liquid inlet end 86 of the water pump assembly, the first liquid inlet end is connected with a first water introducing part 871, and the water receiving cavity 27 is provided with a water filtering opening 28; the first water guide part 871 is connected with the water filter opening 28 and communicated to the water receiving cavity 27, so that a first water guide water channel communicating the pump liquid inlet end 86 and the water receiving cavity 27 is formed; the first water introduction part 871 is provided with a filtering device 872, and the filtering device 872 is a filter screen.

The second liquid inlet end is connected with a second water diversion part 873, a water receiving port 14 is formed in the rear side of the machine shell 1, and the second water diversion part 873 is connected with the water receiving port 14 to be communicated to the outside of the machine shell 1, so that a second water diversion waterway communicating the pump liquid inlet end 86 with the outside of the machine shell 1 is formed; the pump liquid outlet end 85 is connected with the waterway plate component 7.

The diversion switch valve 87 is a conventional waterway switch valve, and further includes a knob 870 disposed at a lower side of the casing 1 for controlling the first diversion waterway and the second diversion waterway to switch.

As shown in fig. 6 to 9, a composite filter element structure is applied to the first filter element portion 3, the composite filter element structure includes a filter element housing 30, and a raw water inlet 31, a first filtered water outlet 32, a second filtered water inlet 33, and a third filtered water outlet 34 are provided at a lower end of the filter element housing 30; be provided with filter media subassembly 4 in the filter core casing 30, filter media subassembly 4 is including being located the last portion of straining on upper portion in filter core casing 30 and being located the lower portion of straining in filter core casing 30, strain the portion down and be provided with first filter layer 41 and third filter layer 43, it is provided with second filter layer 42 to strain the portion on.

The first filter layer 41, the second filter layer 42 and the third filter layer 43 are all arranged in a ring shape, and the second filter layer 42 is arranged in a double-layer filter material structure form according to actual needs, that is, the second filter layer 42 may include a first filter material layer 421 and a second filter material layer 422 which are arranged in a ring column shape; the third filter layer 43 is disposed at the inner annular side of the first filter layer 41, a first blocking wall 44 and a second blocking wall 45 which annularly surround are sequentially and vertically disposed between the inner annular side of the first filter layer 41 and the third filter layer 43, and a third blocking wall 46 which annularly surrounds is disposed at the inner annular side of the second filter layer 42; the first filter layer 41, the second filter layer 42, the third filter layer 43, the first blocking wall 44, the second blocking wall 45 and the third blocking wall 46 are coaxially disposed.

The outer diameters of the first filter layer 41 and the second filter layer 42 are the same, and a raw water channel 51 communicating the raw water inlet 31 and the first filter layer 41 is formed between the inner side wall of the lower part of the filter element shell 30 and the outer ring side of the first filter layer 41; the first blocking wall 44 and the position between the inner sides of the first filter layers 41 and the position between the inner side walls of the upper parts of the filter element shells 30 and the outer sides of the second filter layers 42 are staggered in the vertical direction, the upper ends of the first blocking walls 44 radially extend towards the outer sides to be provided with drainage sections 521, a first water inlet flow channel 52 is formed between the first blocking wall 44 and the inner ring sides of the first filter layers 41 and between the inner side walls of the upper parts of the filter element shells 30 and the outer ring sides of the second filter layers 42 through the communication of the drainage sections 521, a waterproof sealing ring 56 is sleeved between the first filter layers 41 and the second filter layers 42 to separate the upper filter part from the lower filter part, the outer peripheral side of the waterproof sealing ring 56 is in sealed contact with the inner side walls of the filter element shells 30, and therefore the raw water flow channel 51 is separated from the first water inlet flow channel 52.

The upper end of the second blocking wall 45 is connected with the lower end of the third blocking wall 46, so that the inner ring side of the second filter layer 42 is communicated with the third blocking wall 46 and the first blocking wall 44 is communicated with the second blocking wall 45, and a first water outlet flow channel 53 for connecting the first filtered water outlet 32 and the second filter layer 42 is formed; a second water inlet channel 54 connecting the second filtered water inlet 33 and the third filtered water inlet 43 is formed between the second baffle wall 45 and the outer annular side of the third filtered water layer 43, and a second water outlet channel 55 connecting the third filtered water outlet 34 and the third filtered water outlet 43 is formed on the inner annular side of the third filtered water layer 43.

The second is strained core portion 6 and is provided with RO membrane filter core structure, this RO membrane filter core structure include the second strain core portion 6 the casing and set up in RO membrane filter media in the second strain core portion 6 the casing, the casing lower extreme of second strain core portion 6 be provided with first drainage import, second drainage export and the waste water outlet that water route board subassembly 7 is connected.

A pump liquid outlet channel communicated with the pump liquid outlet end 85 and the raw water inlet, a first water filtering channel communicated with the first water filtering outlet 32 and the first water filtering inlet, and a second water filtering channel communicated with the second water filtering outlet and the second water filtering inlet 33 are arranged in the water path plate component 7; the water path plate component 7 is provided with a water outlet end 71, a third filtered water flow channel for communicating the third filtered water outlet 34 with the water outlet end 71 is further arranged in the water path plate component 7, and the water outlet end 71 is externally connected with a water guide pipe 72.

A water supply port 15 is formed on the casing 1, the waterway plate assembly 7 is provided with a third water introducing part 73 communicated with a pump-out liquid flow passage, and the third water introducing part 73 is connected with the water supply port 15.

The casing 1 is provided with a water outlet 16, the waterway plate assembly 7 is provided with a water discharge end 74 connected with the water outlet 16, and the waterway plate assembly 7 is provided with a wastewater channel communicating the water discharge end 74 with the wastewater outlet.

The water supply port 15 and the drain port 16 are symmetrically provided at both left and right sides of the cabinet 1.

The working principle is as follows:

when the water source is in an environment with a lack of water, the water bag part can be applied to collect raw water in the water receiving cavity 27, and the collected raw water can be introduced into the pump inlet end 86 of the water pump assembly through the first water introducing part 871 with the filtering device 872;

when the environment is rich in water sources, an external water conduit can be used, so that raw water can be directly led into the pump inlet end 86 of the water pump assembly from the second water leading part 873 through the water receiving port 14;

by applying the diversion switching valve 87, the knob 870 is used to perform corresponding waterway switching, so as to perform different raw water introduction operations according to the different environments.

Or when the water pump assembly is damaged, an external spare water pump can be matched, the spare water pump is connected into the water supply port 15, and raw water is introduced into the pump liquid outlet flow channel through the third water introducing part 73, so that the raw water introducing operation driven by the external water pump is directly realized for the raw water inlet 31.

Under the driving of a corresponding water pump assembly, external raw water enters the raw water flow channel 51 through the raw water inlet 31, and the raw water enters from the outer ring side of the first filter layer 41 and is filtered to obtain coarse filtered water; the coarse filtered water is guided out to the first water inlet flow passage 52 through the flow guiding section 521, and then enters from the outer ring side of the second filter layer 42 for filtering, so as to obtain first filtered water.

The first filtered water is guided out from the first filtered water outlet 32 through the first water outlet channel 53, flows into the first filtered water inlet of the second filter core part 6 through the guide of the water channel plate component 7, is filtered by the RO membrane filter core structure of the second filter core part 6 to obtain second filtered water and wastewater, and the wastewater is discharged through the wastewater outlet.

The second filtered water is led out from the second filtered water outlet, and is guided by the waterway plate assembly 7 to flow into the second water inlet channel 54 from the second filtered water inlet 33, the second filtered water enters through the outer ring side of the third filter layer 43 to be filtered, so as to obtain third filtered water, the third filtered water is led out from the third filtered water outlet 34 through the second water outlet channel 55, and is guided into the water guide pipe 72 through the waterway plate assembly 7, so as to realize the external output of the third filtered water.

In the composite filter element structure of the present invention, the filter element housing 30 is integrally arranged in a columnar shape according to the installation and assembly requirements, and the raw water inlet 31, the first filtered water outlet 32, the second filtered water inlet 33 and the third filtered water outlet 34 are arranged side by side at the lower end of the filter element housing 30; a first shell wall 35, a second shell wall 36 and a third shell wall 37 which are annularly arranged are vertically extended from the lower end inside the filter element shell 30, a first connection 381 for connecting the raw water flow passage 51 with the raw water inlet 31 is formed between the inner side wall of the filter element shell 30 and the outer side wall of the first shell wall 35, a second connection 382 for connecting the first water outlet flow passage 53 with the first filtered water outlet 32 is formed between the inner side wall of the first shell wall 35 and the outer side wall of the second shell wall 36, a third connection 383 for connecting the second water inlet flow passage 54 with the second filtered water inlet 33 is formed between the inner side wall of the second shell wall 36 and the outer side wall of the third shell wall 37, and a fourth connection 384 for connecting the second water outlet flow passage 55 with the third filtered water outlet 34 is formed between the inner side wall of the third shell wall 37; the first, second and third walls 35, 36, 37 have a height difference therebetween.

A first end layer 47, a second end layer 48 and a third end layer 49 with different heights arranged in layers are formed at the lower end of the lower filtering part in the filter material component 4, the outer diameters of the first end layer 47, the second end layer 48 and the third end layer 49 are sequentially decreased progressively, and the outer diameter of the first end layer 47 is smaller than the outer diameter of the lower end surface of the lower filtering part; the first end layer 47 is provided with a first filtered water lead-out 471 used for leading out first filtered water, the second end layer 48 is provided with a second filtered water lead-out 481 used for leading in second filtered water, and the third end layer 49 is provided with a third filtered water lead-out 491 used for leading out third filtered water, so that the first filtered water lead-out 471, the second filtered water lead-out 481 and the third filtered water lead-out 491 are distributed in a layered manner.

The filter element shell 30 is provided with a shell opening for the filter element assembly 4 to be connected, the shell opening is detachably connected with a filter element upper cover 57, and the upper part of the filter element assembly 4 is positioned and installed on the lower side of the filter element upper cover 57.

When the filter element assembly 4 is inserted into the filter element housing 30, the first housing wall 35 and the second housing wall 36 are in positioning fit with the first end layer 47, the second housing wall 36 and the third housing wall 37 are in positioning fit with the second end layer 48, and the third housing wall 37 is in positioning fit with the third end layer 49, so that the first connection passage 381 and the inner side wall of the lower portion of the filter element housing 30 are in fit communication with the outer ring side of the first filter layer 41, the second connection passage 382 and the first filter water lead-out opening 471 are in fit communication, the third connection passage 383 and the second filter water lead-out opening 481 are in fit communication, and the fourth connection passage 384 and the third filter water lead-out opening 491 are in fit communication, so as to form communication and mutual separation of the raw water flow passage 51, the first water flow passage 53, the second water flow passage 54 and the second water flow passage 55.

The water pump assembly is characterized in that a positioning support 9 used for mounting the filter element assembly, the water pump assembly and the water path plate assembly 7 is arranged in the inner cavity 11, the positioning support 9 comprises a positioning part 90 arranged at the lower part of the inner cavity, a positioning cavity 901 is formed in the positioning part 90, and the water path plate assembly 7 is mounted at the lower part of the positioning cavity 901.

The upper side of the positioning part 90 comprises a first mounting shell 94 and a second mounting shell 95 which are arranged at two sides of the inner cavity 11, the first mounting shell 94 is provided with a first mounting cavity for mounting the first filter element part 3, the upper side of the first mounting shell 94 is provided with a first mounting opening communicated with the first mounting cavity, the first mounting opening is provided with a first pressing upper cover 96 in a covering and opening manner, when the first pressing upper cover 96 is closed, the lower side of the first pressing upper cover 96 is pressed against the upper side of the filter element upper cover 57 to apply a pressing pressure towards the lower side of the waterway plate component 7 to the first filter element part 3, so that water inlets and water outlets which are respectively arranged at the lower end of the first filter element part 3 are stably jointed into the waterway plate component 7 to prevent the internal water source from seeping out; similarly, the second mounting case 95 has the same technical principle as the first mounting case 94, and the second pressing cover 97 applies a pressing force to the second filter element part 6 toward the lower side of the waterway plate assembly 7.

The positioning part 90 further includes a first interface 91 between the first mounting shell 94 and the second mounting shell 95 for the pump body 81 to be mounted and connected, a second interface 92 for the water pump driving handle 83 to be attached after being detached, and a third interface 93 for the water conduit 72 to be positioned and connected.

A supporting bracket 17 for supporting the back of a user is arranged at the rear side of the machine shell 1, and the supporting bracket 17 is integrally arranged in an X shape; the rear side of the machine shell 1 is also connected with braces 18 for a user to carry, corresponding to the positions of the supporting brackets 17, so that the user can conveniently carry the portable outdoor water purifier in an outdoor environment.

The above is only the preferred embodiment of the present invention, and to the technical personnel in the technical field, without departing from the present invention, the embodiment can still be modified, and the corresponding modification should also be regarded as the protection scope of the present invention.

Claims

1. The portable outdoor water purifier comprises a casing provided with an inner cavity, wherein a filter element assembly and a water pump assembly are arranged in the inner cavity, and a raw water inlet of the filter element assembly is communicated with a liquid outlet end of the water pump assembly; and the pump liquid inlet end of the water pump assembly is connected with a first water introducing part communicated with the water receiving cavity.

2. The portable outdoor water purifier of claim 1, wherein the housing is provided with a support bracket for supporting a user's back, and a strap for the user to carry is connected to an outer side of the housing corresponding to a position of the support bracket.

3. The portable outdoor water purifier of claim 1, wherein the cabinet is provided at upper and front positions thereof with first openings communicating with the inner chamber, and the connection cover comprises a top cover engaged with the upper side of the cabinet and a side cover engaged with the front side of the cabinet; the lower end of the side cover is connected with the rotating shaft at the lower end of the shell, and the connecting cover is turned over and closed at the first opening position; the water bag portion is disposed at a closing side position of the connection cover so as to be storable.

4. The portable outdoor water purifier of claim 3, wherein the water bag portion includes a water bag body fixedly disposed on the closed side surface of the side cover, the water bag body being provided with a bag opening, the periphery of the bag opening being provided with a plurality of penetration sleeves; still include the location rope, the location rope cross-under is connected in the nipple, location rope detachably connect in the closed side position of top cap reaches casing front side position.

5. The portable outdoor water purifier of claim 1, further comprising a diversion switching valve for switching the waterway, the diversion switching valve being provided with a valve outlet and a first inlet and a second inlet communicated with the valve outlet; the liquid outlet end of the valve is connected with the liquid inlet end of the pump of the water pump assembly, and the first liquid inlet end is connected with the first water diversion part; the casing is further provided with a water receiving port, and the second liquid inlet end is connected with a second water introducing part communicated with the water receiving port.

6. The portable outdoor water purifier of claim 1, wherein the filter cartridge assembly includes a first filter cartridge section and a second filter cartridge section; the first filter element part, the second filter element part and the water pump assembly are connected with the water path plate assembly to form communication, and the raw water inlet is arranged on the first filter element part; and the waterway plate component is provided with a pump liquid outlet flow passage which is communicated with the raw water inlet and the pump liquid outlet end.

7. The portable outdoor water purifier of claim 6, wherein the casing is further provided with a water supply inlet, the waterway plate assembly is provided with a third water introduction part communicated with the pumped liquid flow passage, and the third water introduction part is connected with the water supply inlet.

8. The portable outdoor water purifier of claim 6, wherein the first and second filter elements are vertically disposed at both sides of the inner chamber, the water pump assembly is disposed between the first and second filter elements, and the waterway plate assembly is disposed under the first and second filter elements and the water pump assembly.

9. The portable outdoor water purifier of claim 8, wherein the waterway plate assembly is provided at an upper side thereof with a positioning bracket, the positioning bracket comprises a first mounting shell, the first mounting shell is formed with a first mounting cavity for mounting the first filter element, the first mounting shell is provided with a first mounting opening communicated with the first mounting cavity, the first mounting opening is provided with a first pressing upper cover in a covering and closing manner, and when the first pressing upper cover is closed, a lower side of the first pressing upper cover is in contact pressing engagement with an upper side of the first filter element, so as to apply a pressing force toward the waterway plate assembly to the first filter element.

10. The portable outdoor water purifier of claim 9, wherein the positioning bracket is provided with a first interface, a second interface and a third interface, and the water pump assembly comprises a pump body, a pump piston connected with the pump body, a water pump driving handle and a supporting rod; the pump body is provided with the pump liquid outlet end and the pump liquid inlet end, and the pump driving handle is hinged with the upper end of the pump piston; the fulcrum of the water pump driving handle is hinged with the upper end of the supporting rod, and the lower end of the supporting rod is hinged with the pump body; the pump body is installed and connected to the first interface, the water pump driving handle is detachably arranged, and the detached water pump driving handle is connected to the second interface in an assembling mode; the waterway plate component is provided with a water guide pipe for guiding filtered water out in an extending mode, and the water guide pipe is attached to the third connector.

11. The portable outdoor water purifier of claim 6, wherein the first filter element portion is applied with a composite filter element structure, the composite filter element structure comprises a filter element shell, and the lower end of the filter element shell is provided with the raw water inlet and the first filtered water outlet; a filter material component is arranged in the filter element shell and comprises a first filter layer arranged at the lower part and a second filter layer arranged at the upper part, and a raw water flow passage communicated with the raw water inlet is formed between the inner side wall of the lower part of the filter element shell and the outer side of the first filter layer; a first blocking wall is arranged on the inner side of the first filter layer, a first water inlet flow channel is formed by communication between the first blocking wall and the inner side of the first filter layer and communication between the inner side wall of the upper part of the filter element shell and the outer side of the second filter layer, and a partition part is arranged between the first filter layer and the second filter layer to form a partition between the raw water flow channel and the first water inlet flow channel; a first water outlet flow channel is arranged between the inner side of the second filter layer and the first filtered water outlet.

12. The portable outdoor water purifier of claim 11, wherein the second filter element portion includes a first filtered water inlet and a second filtered water outlet, the first filtered water inlet being in communication with the first filtered water outlet through the waterway plate assembly; the lower end of the filter element shell is also provided with a second filtered water inlet and a third filtered water outlet, a third filtering layer is arranged on the inner side of the first blocking wall, a second water inlet flow channel is arranged between the second filtered water inlet and the third filtering layer, and a second water outlet flow channel is arranged between the third filtering layer and the third filtered water outlet; the second water inlet channel is communicated with the second filtered water outlet through the waterway plate component.