CN107698073A - The purifying drinking device of hydrocone type - Google Patents

The purifying drinking device of hydrocone type Download PDF

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Publication number
CN107698073A
CN107698073A CN201711224896.1A CN201711224896A CN107698073A CN 107698073 A CN107698073 A CN 107698073A CN 201711224896 A CN201711224896 A CN 201711224896A CN 107698073 A CN107698073 A CN 107698073A
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CN
China
Prior art keywords
water
layer
filter
purifying
pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711224896.1A
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Chinese (zh)
Inventor
尹小林
张战锋
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Changsha Zichen Technology Development Co Ltd
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Changsha Zichen Technology Development Co Ltd
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Filing date
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Priority to CN201711224896.1A priority Critical patent/CN107698073A/en
Publication of CN107698073A publication Critical patent/CN107698073A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/442Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104Devices therefor; Their operating or servicing
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/50Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment

Abstract

The purifying drinking device of hydrocone type, including filtering sterilizes device for fetching water, draw water flexible pipe and purification suction pipe, the filtering sterilization device for fetching water is connected with the flexible pipe that draws water, and the flexible pipe that draws water is connected with purification suction pipe;The filtering sterilization device for fetching water includes filter layer, sterilizing layer and snap joint I, the filter layer is in filtering sterilization device for fetching water outermost, and it is internally formed cavity, the sterilizing layer is connected with filter layer inwall, or in the cavity that filter layer is formed, it is connected in the cavity that the snap joint I is formed with filter layer, and is connected with the flexible pipe that draws water;The purification suction pipe includes body and fine purifying system, described body one end is provided with water inlet, and the water inlet is provided with snap joint II, and the snap joint II is connected with the flexible pipe that draws water, the other end is provided with faucet, and the fine purifying system is placed in tubular body.The present invention has the advantages that to fall the water suction, strong adaptability, small volume, good purification, easy to carry of bowing.

Description

The purifying drinking device of hydrocone type
Technical field
The present invention relates to drinking device, and in particular to it is a kind of be adaptable to field complexity water condition hydrocone type it is purifying Drinking device.
Background technology
Drinking purified be people ensure health necessary to.People are movable in the wild, as field exploration, field survivorship, Field camping, tourism, geological prospecting, emergency management and rescue, earthquake big flood, world rescue, individual combat etc., it is difficult to carry substantial amounts of clean Water purification, how easily to obtain people's most concerned problem when clean water becomes outdoor sports.
Field water source is the source of people's acquisition water in the wild, but field water source situation is extremely complex, often contains in water Silt, humic suspension and harmful all kinds of parasites, bacterium, virus and toxic organic compound soluble in water, poisonous inorganic salts, Contain substantial amounts of inorganic salts such as bittern, seawater in part water source.All kinds of parasites and harmful virus in these field water sources are such as The pathogenic microorganisms such as blood fluke, dysentery, typhoid fever, cholera can directly cause ill, the cyanate radical dissolved in field water source, thiocyanic acid The heavy metal ion compound meeting such as the toxic organic compound such as compound and polycyclic aromatic hydrocarbon and arsenide, leaded thing, cadmium compound, chromium compounds Cause human body to be poisoned, excessive bittern can also cause the dehydration of human body to be poisoned in field water source, therefore field drinking water and with water need Carry out necessary purifying safe handling.
Therefore, developer has carried out substantial amounts of practice and research and development both at home and abroad.CN201320446018.5 provides one kind Hydrocone type open air water purifier, water inlet plastics filter disc, the first PP fibers filter disc, carbon fiber are sequentially overlapped along water inlet to delivery port The high poly- iodine Antibacterial Resin filter layer of activated carbon filter disc, the 2nd PP fibers filter disc, MIR, the 3rd PP fibers filter disc, particle are coconut activated Charcoal filter layer, carbon fiber activated carbon filter layer, the 4th PP fibers filter disc and water outlet plastics filter disc, water are drunk after multistage filtering With, filtering of the water purifier for general no pathogenicity bacterial virus and the field water source of parasite is effective, but to complexity Poisonous water source can not provide security guarantee, and water be present does not have preposition pretreatment to be directly entered water purifier, and impurities in water is direct Stay in water purifier, easily cause the blocking of filtration system, water purifier service life is short;It is more to filter the number of plies, the rate of filtration is slow, resistance Greatly, the problem such as efficiency is low of water is produced, need to also fall water suction of bowing, and this is absolutely unsafe in the field environment. CN201520887119.5 discloses a kind of water purification suction pipe, and its water purification module is filtered by spiral TRT, preposition filter screen, preliminary clearning Layer, active carbon filter core and ultraviolet lamp tube composition, are generated electricity using flowing water and drive ultraviolet lamp tube sterilization, active carbon filter core to filter, but deposit Small in generated energy, uitraviolet intensity is small, and to it, complex condition adaptability leaves a question open in the wild, and only simple filtration, to water Degree of purification it is not high;Ensure to sterilize with devices such as TRT, ultraviolet lamp tubes, add the volume and cost of suction pipe, especially It is not suitable with all for the difficult wild environment of water shortage water intaking.CN201620047428.6 provides a kind of portable ultrafiltration Film water purification suction pipe, ultrafiltration membrane filaments are filled in inside suction pipe, and impurities in water, bacterium are filtered using ultrafiltration membrane filaments, its filter bores Aperture is 0.001-0.03 μm, but exists and need to be directly placed into suction pipe in the water that need to be filtered, and impurities in water easily adheres to and blocking Filter opening, suction pipe is caused to block, so as to lose filtering function, and fall water suction of bowing of external demand out of office is absolutely unsafe. CN201620159225.6 provides a kind of water purification suction pipe, is provided with active carbon composite filter core in suction pipe shell and doughnut surpasses Filter membrane, and separated with ceramic porous dividing plate, impurities in water, agricultural chemicals, virus etc. are retained using filtering, but the suction of activated carbon be present Attached limited in one's ability, impurities in water particularly in the high water of impurity and turbidity, easily blocks filter core;Need separately for instrument often to it Backwash;There is no sterilizing function, be trapped in the virus inside suction pipe and easily pollute suction pipe again, and equally complex condition in the wild Need to fall bow water suction and it is dangerous.
In summary, there is an urgent need to a kind of safe sterilization detoxicating, removing heavy metals and toxic compounds can be effectively removed, without Fall water suction of bowing, adapt to field complex environment, and small volume, good purification, the purifying drinking-water of hydrocone type easy to carry Device.
The content of the invention
The technical problems to be solved by the invention are, for above-mentioned the deficiencies in the prior art, there is provided one kind is suitable for complexity Environment especially field water intaking need not fall water suction, strong adaptability, small volume, the suction that clean-up effect is reliable, easy to carry of bowing The purifying drinking device of tubular type.
Technical scheme is used by the present invention solves above-mentioned technical problem:A kind of purifying drinking device of hydrocone type, bag Include filtering sterilization device for fetching water, draw water flexible pipe and purification suction pipe, it is described filtering sterilization device for fetching water be connected with the flexible pipe that draws water, it is described to draw Water tube hose is connected with purification suction pipe;
The filtering sterilization device for fetching water includes filter layer, sterilizing layer and snap joint I, and the filter layer is in filtering sterilization water intaking Device outermost, and cavity is internally formed, the sterilizing layer is connected with filter layer inwall, or in the cavity that filter layer is formed, It is connected in the cavity that the snap joint I is formed with filter layer, and is connected with the flexible pipe that draws water;
The purification suction pipe includes body and fine purifying system, and described body one end is provided with water inlet, and the other end is provided with water outlet Mouth, the water inlet are provided with snap joint II, and the snap joint II is connected with the flexible pipe that draws water, the fine purifying system It is placed in tubular body.
Further, the outer shape of the filtering sterilization device for fetching water can be spherical or polyhedron shape or cylindricality or olive Spherical or dish type or box-shaped or tubular or other irregular shapes.
Further, the filter layer of the filtering sterilization device for fetching water can use filter cloth and/or filter screen and/or by porous material, Or filter core or multistage filtering layer or composite filter made of the material such as agglomerated material or fibrous material;The sterilizing layer by containing Chlorination material or pasteurization material containing iodine or argentiferous pasteurization material or cupric pasteurization material or permanganate or ferrate Pasteurization material is made, or the multistage sterilizing layer being made up of above material.
Further, the filter layer and sterilizing layer can be complex as a whole, and form composite disinfecting filter layer;The filtering sterilization Device for fetching water at least one-level sterilization and filter layer or composite disinfecting filter layer.
Further, filter pipe is provided with the filtering sterilization device for fetching water, described filter pipe one end is Porous hollow pipe, is stretched into To inside sterilizing layer, the other end is connected with snap joint I.
Further, the filtering sterilization device for fetching water is provided with dosing mouth, and the dosing mouth is provided with dosing lid.
Further, the flexible pipe that draws water is made up of material without any toxicity and side effects.
Further, the fine purifying system of the purification suction pipe includes using PP cottons and/or activated carbon and/or micropore ceramics Material and/or ultrafiltration fiber composition smart purifying layer, and/or ooze active carbon of silver and/or KDF materials and/or iodine resin composition Sterilizing and purifying layer, and/or the fine purifying layer that milipore filter and/or NF membrane and/or reverse osmosis membrane are formed, or by above purifying layer In one or more materials composition composite purification layer.
Further, the snap joint II can use push-in type, buckle-type, pagoda type, button type, handle type or screw thread to connect Connect.
Further, the filtering sterilization device for fetching water is provided with dust cap I;The faucet is provided with dust cap II.
Further, the body of the purification suction pipe is divided into upper tube body and lower tube body, and can be threadedly coupled fixed or clamping.
Further, the filtering sterilization device for fetching water is provided with connection screw thread, and the body of the purification suction pipe is provided with and filtering The screw thread that sterilization device for fetching water matches.
Beneficial effects of the present invention:
1. device for fetching water is sterilized from the filtering of water inlet source with the filtering that can be connected with the flexible pipe that draws water being independently arranged while sterilizes water intaking, Most of impurity are trapped in outside clarifier, self-filtering thing quantity can be greatly reduced, self-filtering speed are improved, from source Upper reduction filter core blocks, and improves the service life of filter core, while prevents the pathogenic microorganism in contact stain water source and parasite, The adaptability to field complex environment is improved, ensures health and the personal safety of wild exterior-applied liquid medicine.
2. utilizing a variety of effective disinfection sanitizers, multistage sterilizing is carried out to field complexity water source, field can be prevented The microorganism at complicated water source and parasitic infection.
3. can adsorb and/or method that UF membrane and/or ultrafiltration and oxidation sterilizing combine, effectively sterilize and remove poisonous Organic matter and heavy metal ion compound, reach safty of drinking water requirement.
4. with screw thread or interface arrangment, the quick-replaceable of the disinfection sanitizer and internal core to device is realized, and is filtered The quick-replaceable of device for fetching water filter layer is sterilized, and the connection and separation of the flexible pipe that draws water are realized using snap joint, improves device Portability and application security.
5. small volume, in light weight, easy to operate, it be easy to individual and carry with, a kind of guarantor is provided safely for personal drinking water Shield scheme.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the purifying drinking device embodiment 1 of hydrocone type of the present invention;
Fig. 2 is that the spherical filter of embodiment illustrated in fig. 1 sterilizes the structural representation of device for fetching water;
Fig. 3 is a kind of structural representation of the purifying drinking device embodiment 2 of hydrocone type of the present invention;
Fig. 4 is the carrying structure schematic diagram of embodiment illustrated in fig. 3;
In figure:1-, which is filtered, sterilizes device for fetching water, 101- filter layers, the outer filter layers of 101a-, filter layer in 101b-, is filtered in 101c- Layer, 102- sterilizing layers, 103- filter pipes, 104- snap joints I, 105- dosing mouths, 106- dosing lids, 107- dust caps I, 2- Draw water flexible pipe, 3- purification suction pipes, 301- bodys, 301a- upper tube bodies, 302b- lower tube bodies, 302- fine purifying systems, before 302a- Fine purifying layer, fine purifying layer in 302b-, fine purifying layer after 302c-, 303- water inlets, 304- snap joints II, 305- Faucet, 306- dust caps II.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment 1
Referring to Figures 1 and 2, the purifying drinking device of a kind of hydrocone type, including filtering sterilizes device for fetching water 1, draw water flexible pipe 2 and purification Suction pipe 3, the filtering sterilization device for fetching water 1 are connected with the flexible pipe 2 that draws water, and the flexible pipe 2 that draws water is connected with purification suction pipe 3.
The filtering sterilization device for fetching water 1 is spherical, including filter layer 101, sterilizing layer 102, filter pipe 103, snap joint I 104th, dosing mouth 105 and dosing lid 106;The filter layer 101 is in the filtering sterilization outermost of device for fetching water 1, and is internally formed Cavity, by outer filter layer 101a, middle filter layer 101b, internal filtration layer 101c up of three layers, the outer filter layer 101a is not by gluing Filter cloth is formed, and the middle filter layer 101b is made up of porous material, and the internal filtration layer 101c is made up of agglomerated material;It is described to disappear Malicious layer 102 is the filamentary silver disinfection network of hollow columnar, in the cavity formed positioned at filter layer 101;Described one end of filter pipe 103 is not Become rusty steel Porous hollow pipe, extend into inside sterilizing layer 102, the other end is connected with snap joint I 104, the snap joint I 104 be pagoda type snap joint, and flexible pipe 2 is connected with drawing water;The dosing mouth 105 sterilizes the bottom of device for fetching water 1 positioned at filtering, The dosing lid 106 is connected with dosing mouth 105.
The flexible pipe 2 that draws water is made up of material without any toxicity and side effects.
The purification suction pipe 3 includes body 301 and fine purifying system 302, and the body 301 is by upper tube body 301a with Body 301b is formed, and is connected through a screw thread, and the lower tube body 301b is provided with water inlet 303, is provided with the water inlet 303 Snap joint II 304, the snap joint II 304 are connected with the flexible pipe 2 that draws water, and the upper tube body 301a is provided with faucet 305;The fine purifying system 302 is located in body 301, including preceding fine purifying layer 302a, middle fine purifying layer 302b, after PP cotton filter cores are provided with fine purifying layer 302c, the preceding fine purifying layer 302a, are provided with the middle fine purifying layer 302b Active carbon of silver filter core is oozed, hollow fiber nanofiltration membrane is provided with the rear fine purifying layer 302c.
The course of work:Filtering sterilization device for fetching water 1 is placed into the field water source that need to be handled, water filters out by filtering layer 101 Large granular impurity, silt, humic suspension and section parasitic worm, bacterium in water, after the preliminary sterilizing of sterilizing layer 102, Entered by the flexible pipe 2 that draws water in purification suction pipe 3, then filtered by multi-level fine, sterilizing, adsorption cleaning, clean water is from going out In the inflow entrance of water nozzle 305.
Embodiment 2
Reference picture 3 and Fig. 4, a kind of purifying drinking device of hydrocone type, including filtering sterilize device for fetching water 1, draw water flexible pipe 2 and purification Suction pipe 3, the delivery port of the filtering sterilization device for fetching water 1 are connected with the flexible pipe 2 that draws water, and the flexible pipe 2 that draws water is with purifying suction pipe 3 Water inlet is connected.
The filtering sterilization device for fetching water 1 is cylindricality, and one end is provided with external screw thread, including filter layer 101, sterilizing layer 102, drainage Pipe 103, snap joint I 104, dosing mouth 105, dosing lid 106, dust cover I 107;The filter layer 101 is in filtering and sterilized The outermost of device for fetching water 1, and cavity is internally formed, the filter layer 101 is composite filter, and ecto-entad is respectively stainless (steel) wire With sintered copper filter core;Disinfectant used in the sterilizing layer 102 is that bactericidal properties containing iodine sterilize particle, is filled in filter layer 101 and filter Between water pipe 103;Described one end of filter pipe 103 is stainless steel Porous hollow pipe, is extend into inside sterilizing layer 102, the other end with Snap joint I 104 is connected, and the snap joint I 104 is push-in type snap joint, and flexible pipe 2 is connected with drawing water;It is described to add Medicine mouth 105 is connected positioned at the bottom of filtering sterilization device for fetching water 1, the dosing lid 106 with dosing mouth 105;The dust cover I 107 are removably mounted at the outside of filtering sterilization device for fetching water 1.
The flexible pipe 2 that draws water is made up of material without any toxicity and side effects.
The purification suction pipe 3 includes body 301 and fine purifying system 302, and the body 301 is by upper tube body 301a with Body 301b is formed, and is connected through a screw thread, and the lower tube body 301b is provided with water inlet 303, is provided with the water inlet 303 Snap joint II 304, the snap joint II 304 are connected with the flexible pipe 2 that draws water, and the lower tube body 301b is provided with to disappear with filtering The internal thread that malicious device for fetching water 1 matches, the upper tube body 301a are provided with faucet 305, and the faucet 305 is provided with dust-proof Cover II 306;The fine purifying system 302 is located in body 301, including preceding fine purifying layer 302a, middle fine purifying layer 302b, rear fine purifying layer 302c, the preceding fine purifying layer 302a is interior to be provided with PP cotton filter cores, the middle fine purifying layer 302b It is interior to be provided with iodine resin filter core, it is provided with hollow fiber nanofiltration membrane in the rear fine purifying layer 302c.
During travelling, dust cover I 107, dust cover II 306 are covered, and filtering is sterilized device for fetching water 1 and purifies suction pipe 3 and is led to Cross and be screwed together, it is readily carried about;During with water, dust cover is taken, i.e., directly can be used, filtering can also be sterilized Device for fetching water 1 separates with purification suction pipe 3, is used after connecting the flexible pipe 2 that draws water.

Claims (9)

1. the purifying drinking device of hydrocone type, it is characterised in that:Including filtering sterilization device for fetching water, draw water flexible pipe and purification suction pipe, The filtering sterilization device for fetching water is connected with the flexible pipe that draws water, and the flexible pipe that draws water is connected with purification suction pipe;
The filtering sterilization device for fetching water includes filter layer, sterilizing layer and snap joint I, and the filter layer is in filtering sterilization water intaking Device outermost, and cavity is internally formed, the sterilizing layer is connected with filter layer inwall, or in the cavity that filter layer is formed, It is connected in the cavity that the snap joint I is formed with filter layer, and is connected with the flexible pipe that draws water;
The purification suction pipe includes body and fine purifying system, and described body one end is provided with water inlet, and the other end is provided with water outlet Mouth, the water inlet are provided with snap joint II, and the snap joint II is connected with the flexible pipe that draws water, the fine purifying system It is placed in tubular body.
2. the purifying drinking device of hydrocone type according to claim 1, it is characterised in that:The filtering sterilization device for fetching water Outer shape is spherical or polyhedron shape or cylindricality or rugby shape or dish type or box-shaped or tubular.
3. the purifying drinking device of hydrocone type according to claim 1 or 2, it is characterised in that:The filtering sterilization water intaking The filter layer of device using filter cloth and/or filter screen and/or made of porous material or agglomerated material or fibrous material filter core or Multistage filtering layer or composite filter;The sterilizing layer sterilizes material by chlorine-containing disinfecting material or pasteurization material containing iodine or argentiferous Material or cupric pasteurization material or permanganate or ferrate pasteurization material are made, or the multistage being made up of above material disappears Malicious layer.
4. the purifying drinking device of hydrocone type according to claim 1 or 2, it is characterised in that:The filtering sterilization water intaking Filter pipe is provided with device, described filter pipe one end is Porous hollow pipe, is extend into inside sterilizing layer, the other end and snap joint I It is connected.
5. the purifying drinking device of hydrocone type according to claim 1 or 2, it is characterised in that:The filtering sterilization water intaking Device is provided with dosing mouth, and the dosing mouth is provided with dosing lid.
6. the purifying drinking device of hydrocone type according to claim 1 or 2, it is characterised in that:The fine purifying system Including the smart purifying layer using PP cottons and/or activated carbon and/or micropore ceramics material and/or ultrafiltration fiber composition, and/or ooze silver The sterilizing and purifying layer of activated carbon and/or KDF materials and/or iodine resin composition, and/or milipore filter and/or NF membrane and/or reverse osmosis The fine purifying layer that permeable membrane is formed, or the composite purification layer being made up of one or more materials in above purifying layer.
7. the purifying drinking device of hydrocone type according to claim 1 or 2, it is characterised in that:The filtering sterilization water intaking Device is provided with connection screw thread, and the body of the purification suction pipe is provided with the screw thread to match with filtering sterilization device for fetching water.
8. the purifying drinking device of hydrocone type according to claim 1 or 2, it is characterised in that:The filtering sterilization water intaking Device is provided with dust cap I, and the faucet is provided with dust cap II.
9. the purifying drinking device of hydrocone type according to claim 1 or 2, it is characterised in that:The pipe of the purification suction pipe Body is divided into upper tube body and lower tube body, and to be threadedly coupled fixed or clamping.
CN201711224896.1A 2017-11-29 2017-11-29 The purifying drinking device of hydrocone type Pending CN107698073A (en)

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Application Number Priority Date Filing Date Title
CN201711224896.1A CN107698073A (en) 2017-11-29 2017-11-29 The purifying drinking device of hydrocone type

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Application Number Priority Date Filing Date Title
CN201711224896.1A CN107698073A (en) 2017-11-29 2017-11-29 The purifying drinking device of hydrocone type

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Publication number Priority date Publication date Assignee Title
CN115650466A (en) * 2022-09-02 2023-01-31 重庆交通大学 Portable water purifying device

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Publication number Priority date Publication date Assignee Title
CN115650466A (en) * 2022-09-02 2023-01-31 重庆交通大学 Portable water purifying device

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