CN109970245A - Multifunctional Detachable Life Straw - Google Patents

Abstract

The invention discloses a multifunctional detachable life straw, which belongs to the technical field of outdoor water purification devices. The invention integrates the life straw and the life water cup, and integrates the functions of primary filtration, deep purification, water storage, backwashing, etc. part. The primary filter device, the secondary filter device and the casing of the device can be disassembled to meet the different water needs of users, and it is equipped with a variety of secondary filter devices. The invention is used to solve the problems of drinking water and water in special environments such as wild survival, flood resistance and disaster relief, earthquake rescue, etc., and can use different filter materials for different water pollution, so as to achieve better purification effect.

Description

Multifunctional Detachable Life Straw

technical field

The invention relates to an outdoor water purifying straw, belonging to the technical field of outdoor water purifying devices.

Background technique

In special use environments such as wild survival and rescue, the timely access to safe and hygienic drinking water and clean domestic water is related to personal life safety and the quality of life of the people during disaster resistance. At present, in the above situation, people often spend a lot of manpower, material resources and time to carry and transport a large amount of drinking water and domestic water. At the same time, we found that in most of the above cases, it is not the lack of water resources, but the lack of a portable device for purifying sewage. Due to the urgent need in this regard, life straws appeared.

LifeStraw purifies sewage (natural water bodies) into drinking water by combining different filter materials to ensure water purity. However, the current life straws often have a single structure and a single function, which are not enough to deal with all the problems we encounter in special environments such as survival in the wild, flood relief, and earthquake rescue. For example, the life straw shown in the patent number ZL204541629U provides a device for realizing sewage purification through physical filtration, but there are some problems such as small amount of purified water and no water storage, when the distance from the next water source is far away, It loses its role as a life straw. Although the life straw cup shown by the patent number ZL204325028U can store some drinking water, it cannot provide a large amount of domestic water in a short time, and it is inconvenient to carry. Moreover, the filter materials of life straws currently on the market are single and cannot be replaced, which cannot completely solve the different water pollution problems encountered by users in different regions. In general, most of the current life straws are single in function and have shortcomings. Now there is an urgent need for a device that can integrate the functions of deep purification, water storage, rapid filtration to provide drinking water, and domestic water to solve various water problems in special situations.

SUMMARY OF THE INVENTION

In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a multifunctional detachable life straw, which is convenient to use and has a wide range of uses.

The present invention is achieved through the following technical solutions: a multifunctional detachable life straw, which is characterized in that it comprises a cylindrical shell, one end of the shell is equipped with a funnel straw to form a water intake end, and the other end of the shell is equipped with a suction nozzle to form a At the suction end, a primary filter device and a secondary filter device are sequentially installed in the casing from the funnel suction pipe to the suction nozzle. The suction nozzle, the secondary filter device, and the primary filter device are all screwed together. , the secondary filter device, the primary filter device and the shell are also connected by threads; the end of the primary filter device close to the secondary filter device extends a connecting device to connect with the secondary filter device, and the connecting device is equipped with a one-way water filter, Filter nets are installed between the primary filter device and the funnel suction pipe, and between the secondary filter device and the suction nozzle; the funnel suction pipe has a telescopic neck.

The filter elements of the primary filter device are, from the end close to the primary filter device to the end close to the suction nozzle, the ceramic filter element, the nut shell activated carbon and the pinhole pitted PP cotton in sequence, and the diameters of the pollutants filtered by the filter material decrease in order. The secondary filter device includes three layers of filter cotton layers, and a filter layer I is installed between the filter cotton layer close to the suction nozzle and the middle filter cotton layer, and between the filter cotton layer close to the primary filter device and the middle filter cotton layer. Equipped with filter layer II.

As an example, the secondary filter device is disassembled, the suction nozzle is connected to the primary filter device through the one-way water filter, and the suction nozzle and the primary filter device are in a housing between the suction nozzle and the primary filter device. The cavity forms a water storage space. There are many filter holes on the one-way water filter. The one-way cover plate that can cover the filter holes is installed on the side of each filter hole facing the suction nozzle. The one-way cover plate is triangular, and the one-way cover The wide end of the plate is flexibly connected to the one-way water filter, and the maximum opening and closing angle of the one-way cover is 60 degrees.

As an embodiment, the primary filtering device and the funnel straw are disassembled together, and the two constitute a separate rapid water filtering device.

As an embodiment, it also includes a separate backwashing device, the backwashing device includes a round handle and a handle tube, the end of the handle tube is equipped with a piston head, and the backwashing device is used to replace the suction nozzle and the secondary filter device, The backwashing device extends into the casing through the original suction nozzle position, and the piston head can seal and slide in the casing between the primary filter device and the original suction nozzle position.

As an embodiment, it also includes a separate soft rubber cup, the position of the soft rubber cup close to the suction nozzle is a truncated cone, the main body of the soft rubber cup is cylindrical, the cylindrical shape is sleeved on the outer side of the shell, and the soft rubber cup faces the The direction of the funnel suction pipe is open, and the narrow end of the soft rubber cup is sleeved on the suction nozzle.

As an embodiment, the suction nozzle is provided with a suction nozzle cover.

As an embodiment, the stretched length of the telescopic neck of the funnel straw is 3-5 times the original length.

As an example, the filter layer I is an ion resin, and the filter layer II is an iodine resin.

As an example, the filter layer I is silver-loaded activated carbon, and the filter layer II is polyiodinated resin.

As an example, the filter layer I is ion resin, and the filter layer II is sludge-based activated carbon.

The beneficial effects of the present invention are:

(1) It has multiple functions and a wide range of applications. The present invention integrates the functions of deep purification, water storage, and rapid filtration to provide drinking water and domestic water.

(2) The purification effect is good. The present invention has two filter devices, which are a primary filter device and a secondary filter device. The primary filtration unit removes a large amount of physical impurities from the water, while the secondary filtration unit removes heavy metals and kills harmful bacteria and viruses in the water.

(3) Different polluted water bodies can be filtered. The invention is equipped with a variety of secondary filter elements, and different filter elements can be used for different regions and different water pollution, thereby improving the filtering effect of the invention.

(4) Easy to carry. The invention can be disassembled into five parts, which are the main part composed of the funnel suction pipe and the primary filter device, the shell part, the filter element part of the secondary filter device, the suction nozzle part and the separate backwash device part. easy to carry.

(5) Long service life. The invention is equipped with a backwashing device, which can effectively clean the life straw and improve the service life of the device.

(6) The water storage effect is good, the power is strong, and the filtration speed is fast. The invention is equipped with a soft rubber cup, which can not only store a large amount of water, but also can generate power by squeezing the rubber cup to achieve the effect of rapid filtration.

Description of drawings

The present invention will be further described below according to the accompanying drawings and embodiments.

Figure 1 is a perspective view of a multifunctional detachable life straw;

Figure 2 is an anatomical diagram of a multifunctional detachable life straw;

Fig. 3 is the filter element structure schematic diagram of the secondary filter device;

Fig. 4 is the filter element structure schematic diagram of the primary filter device;

Fig. 5 is the structural representation of backwashing device;

Figure 6 is a folded view of the funnel straw;

Figure 7 is an extended view of the funnel straw;

Fig. 8 is a schematic diagram of the structure of the water cup of life;

Figure 9 is a schematic structural diagram of a soft rubber cup;

Figure 10 is a schematic diagram of the structure of the connection device;

Figure 11 is a schematic structural diagram of a one-way water filter;

Figure 12 is a schematic diagram of backwashing.

In the picture 1, suction nozzle, 1-1, suction nozzle cover, 2, secondary filter device, 3, one-way water filter, 3-1, filter hole, 3-2, one-way cover plate, 4, primary filter Device, 4-1, connecting device, 5, funnel straw, 5-1, telescopic neck, 6, filter cotton layer, 7, filter layer I, 8, filter layer II, 9, ceramic filter element, 10, fruit shell Activated carbon, 11, pinhole pitted PP cotton, 12, round handle, 13, handle tube, 14, piston head, 15, soft rubber cup, 16. Shell.

Detailed ways

The present invention will be further described below in conjunction with the examples.

As shown in Figures 1-11, a multifunctional detachable life straw includes a cylindrical shell 16, one end of the shell 16 is equipped with a funnel straw 5 to form a water intake end, and the other end of the shell 16 is equipped with a suction nozzle 1 to form At the suction end, a primary filter device 4 and a secondary filter device 2 are sequentially installed in the casing 16 between the funnel suction pipe 5 and the suction nozzle 1. The suction nozzle 1, the secondary filter device 2, and the primary filter device 4 are The suction nozzle 1, the secondary filter device 2, the primary filter device 4 and the housing 16 are also threaded and detachable. Actions do not interfere with each other; one end of the primary filter device 4 close to the secondary filter device 2 extends a connecting device 4-1 to connect with the secondary filter device 2, and the connecting device 4-1 is equipped with a two-way water filter 3. Filter screens are installed between the primary filter device 4 and the funnel suction pipe 5, and between the secondary filter device 2 and the suction nozzle 1; the funnel suction pipe 5 has a telescopic neck 5-1.

The filter element of the primary filter device 4 includes a ceramic filter element 9, a nut shell activated carbon 10 and a pinhole pitted PP cotton 11. From the end close to the primary filter device 4 to the end close to the suction nozzle 1, the ceramic filter element 9, the fruit shell Shell activated carbon 10 and pinhole pitted PP cotton 11, the diameter of the pollutants filtered by the filter material decreases in turn. As shown in Figure 3, from top to bottom are the ceramic filter element 9, the nut shell activated carbon 10 and the pinhole pitted PP cotton 11. The diameter of the pollutants filtered by the filter material decreases sequentially from bottom to top, and the pinhole pits The PP cotton is tight on the outside and loose on the inside, the external filter is larger than 10mm in diameter, and the internal filter is larger than about 5mm, so that the PP cotton can be fully utilized. Nutshell activated carbon has the characteristics of large surface area, high strength, uniform particle size, developed pore structure, strong adsorption performance, etc., and can effectively adsorb free chlorine, phenol, sulfur, oil, colloid, pesticide residues and other organic pollution in water. Recovery of organic solvents, etc.

The secondary filter device 2 includes three layers of filter cotton layers 6, a filter layer I7 is installed between the filter cotton layer 6 near the suction nozzle 1 and the middle filter cotton layer 6, and the filter cotton layer 6 close to the primary filter device 4 and A filter layer II8 is installed between the filter cotton layer 6 in the middle.

As shown in Figures 2-4, each device in the present invention is assembled in a threaded connection mode, wherein the primary filter device 4 and the funnel suction pipe 5 are integral, the suction nozzle 1, the secondary filter device 2, the one-way water filter 3, Both the soft rubber cup 15 and the outer shell 16 have threads, which can be freely disassembled and assembled according to requirements.

When the structural integrity shown in Figure 1 and Figure 2 is the first form of life straw, when drinking water is needed, the natural water body can meet the drinking water requirements after being purified by the primary and secondary filtration devices. Enough to purify into absolutely safe drinking water. When domestic water is needed, the primary filter device and the funnel straw can be removed together, and the natural water body can enter the primary filter device through the funnel for rapid purification, and then a larger volume of domestic water can be obtained. After the secondary filter device is removed separately, the effect of water storage can be achieved through a special one-way and two-way water filter, and the secondary filter and one-way and two-way water filter can also be removed at the same time, and through the process of repeatedly pushing and pulling the backwash device, Realize the process of water absorption and drainage, and then achieve the purpose of backwashing purification and improving its service life.

There are many filter holes 3-1 on the one-way water filter screen 3, each filter hole 3-1 facing the suction nozzle 1 is equipped with a one-way cover plate 3-2 that can cover the filter hole 3-1. The one-way cover 3-2 is triangular, the wide end of the one-way cover 3-2 is flexibly connected to the one-way water filter 3, and the maximum opening and closing angle of the one-way cover 3-2 is 60 degrees. When the water flows through the one-way water filter screen 3 from bottom to top, the triangular cover plate is subjected to the upward force and moves upward at 60 degrees, and the water flows into the casing 16. When the suction stops, the water is pressed down by gravity, and the cover plate receives water. The pressure influences the closure and the water remains in the housing 16 .

When the purpose of sucking is achieved, the natural water body flows into the primary filter device 4, one-way water filter screen 3, secondary filter device 2, suction nozzle 1 from bottom to top sequentially from bottom to top of the funnel straw 5, and finally flows into the oral cavity. When it realizes the water storage function, the secondary filter device 2 is removed separately. When water is stored, when the water flows through the one-way water filter screen 3 from bottom to top, the one-way cover plate 3-2 is subjected to the upward force, forming a 60-degree angle. Upward, the water flows into the casing 16, when the suction is stopped, the water is pressed downward by gravity, the one-way cover 3-2 is closed under the influence of the water pressure, and the water remains in the casing 16. When it realizes the function of backwashing, remove the one-way water filter screen 3, the secondary filter device 2, and the suction nozzle 1, install it into the backwash device, and push and pull repeatedly, so that the natural water body first flows through the primary filter device through the funnel suction pipe 5 4. It flows into the housing 16, and then flows from the housing 16 through the primary filter device 4 and the funnel suction pipe 5 from top to bottom to achieve the purpose of backwashing.

The second form is the life cup, which is connected to a soft rubber cup in the state of the life straw. Including separate soft rubber cups 15, the position of the soft rubber cup 15 close to the suction nozzle 1 is a truncated cone, the main body of the soft rubber cup 15 is a cylindrical shape, the cylindrical shape is sleeved on the outside of the outer shell 16, and the soft rubber cup 15 faces the The direction of the funnel suction pipe 5 is open, and the narrow end of the soft rubber cup 15 is sleeved on the suction nozzle 1 . Compared with the life straw, the life water cup not only increases the water storage capacity, but also facilitates water intake. It can also obtain power by squeezing the rubber cup, so as to drink clean drinking water. Users can assemble the product according to their own conditions to solve their own water problems. One embodiment is: use a soft rubber cup 15, the upper part of which is a circular platform, the top is a circle with a diameter of 4cm, the bottom surface is a circle with a diameter of 6cm, and the height is 4cm. The lower part is a cylinder, the bottom surface is a circle with a diameter of 6cm, and the height is 25cm. The cup is made of natural rubber as the main material, which is non-toxic and harmless, has good ductility and is not easy to damage. Use the soft rubber cup 15 to collect natural water, and then connect it to the life straw as shown in Figure 8, the function of water storage can be completed, and the filtration can be squeezed. By squeezing the soft rubber cup 15, power is generated to quickly filter natural body of water.

The principle of deep purification of the present invention is as follows: assemble the multifunctional detachable life straw into Fig. 2 and place it. Fig. 6 is a folded view of the funnel straw, the diameter of the funnel straw is 2cm, and the length is 6cm. 7 is the extension drawing of the funnel straw, the straw can be extended to 30cm. Put the funnel straw 5 into the natural water body, extend the straw if necessary, the length after stretching can be 5 times the original length, and suck the natural water body into the pipe by sucking the suction nozzle 1 to generate power, and the diameter of the suction nozzle 1 is 1.5 cm, height 1.5cm; nozzle cover 1-1 is 4cm in diameter and 2cm high. The natural water body is filtered by the primary filter device 4 (the upper end is a connecting device with a diameter of 2cm and a height of 2cm, and a two-way water filter is installed inside) and the secondary filter device 2 (diameter of 2cm, height of 6cm, and filters at both ends). It can be purified into clean drinking water. The nut shell activated carbon 10 in the primary filter device 4 has the characteristics of large surface area, high strength, uniform particle size, developed pore structure, strong adsorption performance, etc., and can effectively adsorb free chlorine and phenol in water. , sulfur, oil, gum, pesticide residues and other organic pollution, can remove odors and change the taste of water. The pinhole pitted PP cotton 11 is tight on the outside and loose on the inside, the external filter is for particles larger than 10mm in diameter, and the internal filter is for particles larger than about 5mm, so that the PP cotton can be fully utilized. The ceramic filter element 9 can filter fine physical impurities. The ion resin 7 in the secondary filter device 2 uses the principle of ion exchange to remove heavy metals in the water and then softens the water quality. The iodine resin 8 releases chemicals into the water through the principle of chemical sterilization to kill harmful bacteria and viruses in the water. The ion resin 7 and the iodine resin 8 There is a filter cotton 6 in the septum to further remove physical impurities. Make drinking water safe enough.

As an example, the secondary filter device 2 is disassembled, the suction nozzle 1 is connected to the primary filter device 4 through the double one-way water filter screen 3, and the suction nozzle 1 is connected to the primary filter The inner cavity of the housing 16 between the devices 4 forms a water storage space, and the one-way water filter 3 has the effect of ensuring that the water cannot flow out after entering the water storage space through the one-way water filter 3 . As shown in FIG. 11 , the one-way water filter screen 3 has many filter holes 3-1, and the side of each filter hole 3-1 facing the suction nozzle 1 is installed with a one-way cover that can cover the filter holes 3-1 Plate 3-2, the one-way cover plate 3-2 is triangular, the wide end of the one-way cover plate 3-2 is flexibly connected to the one-way water filter 3, and the maximum opening and closing angle of the one-way cover plate 3-2 is 60 Spend. When the water flows through the one-way water filter screen 3 from bottom to top, the triangular cover plate is subjected to the upward force and moves upward at 60 degrees, and the water flows into the casing 16. When the suction stops, the water is pressed down by gravity, and the cover plate receives water. The pressure influences the closure and the water remains in the housing 16 .

The principle of use is: on the basis of Fig. 2, the secondary filter system 2 is removed separately, and the natural water body is sucked into the pipe by the suction nozzle 1 to generate power, and the natural water body is physically filtered in the primary filter device 4. , high strength, uniform particle size, developed pore structure, strong adsorption performance, etc., and can effectively absorb free chlorine, phenol, sulfur, oil, colloid, pesticide residues and other organic pollution in water, remove odor and change the water quality. Taste. The pinhole pitted filter cotton 11 is tight on the outside and loose on the inside, the external filter is larger than 10mm in diameter, and the internal filter is larger than about 5mm, so that the PP cotton can be fully utilized. The ceramic filter element 9 can filter fine physical impurities and can be purified into clean Domestic water, when the domestic water passes through a one-way water filter 3 (diameter 2cm), it will achieve the effect that it can only go in but not come out, so that it can be stored inside the shell to achieve the purpose of water storage, so as to solve the problem of being far away from the next water source and drinking The problem of not having clean domestic water.

As an embodiment, the primary filtering device 4 and the funnel suction pipe 5 are disassembled together, and the two constitute a separate rapid water filtering device. The principle of use is: on the basis of Figure 2, only the primary filter device 4 and the funnel straw 5 are retained. By quickly pouring the natural water body into the funnel straw 5, the natural water body is filtered by the primary filter device 4, the nut shell activated carbon 10 can remove peculiar smell and change the taste of the water, and the pinhole pitted filter cotton 11 can remove large particles, sediment The ceramic filter element 9 can filter fine physical impurities and clean the natural water body, so that people can quickly obtain a large amount of safe domestic water and meet people's daily water needs.

As an embodiment, a separate backwashing device is also included. The backwashing device includes a round handle 12 and a handle pipe 13. The end of the handle pipe 13 is provided with a piston head 14, and the suction nozzles 1, 1 and 1 are replaced with a backwashing device. Secondary filter device 2, one-way water filter 3, the backwash device extends into the housing 16 through the position of the original suction nozzle 1, and the piston head 14 can be located between the primary filter device 4 and the position of the original suction nozzle 1. Between the housing 16 the housing is sealed and slidable. The principle of use is: on the basis of Figure 2, remove the suction nozzle 1, the secondary filter system 2, and the one-way water filter 3, and install it into the backwashing device, as shown in Figure 5, where the round handle 12 is a plastic disc with a diameter of 5cm The handle tube 13 is a plastic tube, with a diameter of 2cm and a height of 6cm; the piston head 14 is a rubber, with a diameter of 4cm and a height of 2cm; the funnel straw 5 is put into clean water, and the process of pushing and pulling the backwashing device is repeated to achieve water absorption and drainage. In the process of water absorption and drainage, some impurities in the filter layer are discharged out, so as to achieve the purpose of cleaning the life straw and improving its service life.

As an embodiment, the suction nozzle 1 is provided with a suction nozzle cover 1-1.

As an example, the stretched length of the telescopic neck 5-1 of the funnel straw 5 is 3-5 times the original length, so as to solve the situation that the life straw is short and cannot reach the water source.

The present invention can be applied to various polluted water bodies. The detachable secondary filter device 2 can replace different filter elements of the secondary filter device according to different water pollution, so as to achieve the best filtering effect. There are three types of secondary filter elements in this device:

The first type is the universal type, which has a more comprehensive purification effect and is mainly aimed at areas such as plains and mountains. The material composition is shown in Figure 4, the filter layer I7 is an ion resin, and the filter layer II8 is an iodine resin. That is, 6 is a filter cotton, 7 is an ion resin, which uses the principle of ion exchange to remove heavy metals in the water and then softens the water quality, and 8 is an iodine resin, which releases chemicals into the water through the principle of chemical sterilization to kill harmful bacteria and viruses in the water.

The second type is the sterilization type, which is mainly suitable for areas with many bacteria and parasites in the water body. As shown in FIG. 4 , the filter layer I7 is silver-loaded activated carbon, and the filter layer II8 is polyiodinated resin. That is, 6 is a filter cotton, and 7 is a silver-loaded activated carbon, which is refined by a silver-loaded process, and its water purification effect is higher than that of ordinary water purification carbon. The silver-loaded activated carbon plays the role of bacteriostasis and sterilization according to the fretting effect of silver ions. 8 is iodized resin, which can effectively kill gram-positive bacilli and negative bacilli in water, and is also very effective in inactivating RNA and DNA of viruses, and has high sterilization rate and fast speed. Penetrating sterilizing medium.

The third type is deionized type, which is mainly suitable for areas with more metal ions in water. As shown in FIG. 4 , the filter layer I7 is ion resin, and the filter layer II8 is sludge-based activated carbon. That is, 6 is filter cotton, 7 is ion resin, which uses the principle of ion exchange to remove heavy metals in water and then softens the water quality, and 8 is sludge-based activated carbon, which has good adsorption performance for cationic and anionic dyes (methylene blue and methyl orange).

The invention integrates the life straw and the life water cup, and integrates the functions of primary filtration, deep purification, water storage, backwashing, etc., and solves the problems of drinking water and water in special environments such as survival in the wild, flood fighting and disaster relief, and earthquake rescue.

Claims (10)

1. a kind of Multifunctional demountable formula life suction pipe, it is characterised in that: the shell (16) including cylinder, the one of shell (16) End forms water intaking end equipped with funnel suction pipe (5), and the other end of shell (16) forms suction side equipped with suction nozzle (1), from funnel suction pipe (5) primary filter (4) and secondary filter assembly (2), the suction are sequentially installed with to the shell (16) between suction nozzle (1) is interior Mouth (1), secondary filter assembly (2) are to be threadedly coupled between primary filter (4), the suction nozzle (1), secondary filter dress It is also to be threadedly coupled that (2), primary filter (4), which are set, with shell (16)；The primary filter (4) fills close to secondary filter The one end for setting (2) stretches out an attachment device (4-1) and is connected with secondary filter assembly (2), and attachment device (4-1) is provided with unidirectional water Filter screen (3), between the primary filter (4) and funnel suction pipe (5), between secondary filter assembly (2) and suction nozzle (1) Equipped with filter screen；The funnel suction pipe (5) has telescopic neck (5-1)；

The filter core of the primary filter (4) is according to one from one end close to primary filter (4) to close suction nozzle (1) End is followed successively by ceramic element (9), active fruit shell carbon (10) and pin hole point formula PP cotton (11), the diameter of filtrate institute filtering contaminants Size is successively successively decreased, and the secondary filter assembly (2) includes three layer filtration cotton layer (6), the filter cotton layer (6) close to suction nozzle (1) Filter layer I (7) is housed between intermediate filter cotton layer (6), filter cotton layer (6) and centre close to primary filter (4) Filter cotton layer (6) between be equipped with filter layer II (8).

2. Multifunctional demountable formula life suction pipe according to claim 1, it is characterised in that: disassemble the secondary filter Device (2), the suction nozzle (1) is connected by the unidirectional water sieve (3) and the primary filter (4) every Kongxiang, described Shell (16) inner cavity between suction nozzle (1) and primary filter (4) forms water space, on the unidirectional water sieve (3) Have many filter openings (3-1), each filter opening (3-1) can cover the one-way cover of filter opening (3-1) towards being mounted on one side for suction nozzle (1) Plate (3-2), unidirectional cover board (3-2) is triangle, and the wide end of unidirectional cover board (3-2) is flexibly connected on unidirectional water sieve (3), The maximum folding angle of unidirectional cover board (3-2) is 60 degree.

3. Multifunctional demountable formula life suction pipe according to claim 1, it is characterised in that: the primary filter (4) it is taken apart together with funnel suction pipe (5), the two forms individual fast drainage device.

4. Multifunctional demountable formula life suction pipe according to claim 1, it is characterised in that: further include the backwash split Device, back purge system include circle handle (12) and handle pipe (13), and the end of handle pipe (13) is equipped with piston head (14), is filled with backwash The replacement suction nozzle (1) and secondary filter assembly (2) are set, the back purge system protrudes into described outer by former suction nozzle (1) position In shell (16), piston head (14) can be in shell (16) shell between the primary filter (4) and original suction nozzle (1) position Sealing sliding.

5. Multifunctional demountable formula life suction pipe according to claim 1, it is characterised in that: further include the software rubber split Glue cup (15), soft rubber cup (15) are truncated cone-shapeds close to the position of the suction nozzle (1), and the main body of soft rubber cup (15) is round Cylindricality, for cylindrical shroud on the outside of shell (16), soft rubber cup (15) is open towards the direction of the funnel suction pipe (5), soft The slot end cap of body rubber cup (15) is on the suction nozzle (1).

6. Multifunctional demountable formula life suction pipe according to claim 1, it is characterised in that: be equipped on the suction nozzle (1) Suction nozzle lid (1-1).

7. Multifunctional demountable formula life suction pipe according to claim 1, it is characterised in that: the funnel suction pipe (5) Length is 3-5 times of raw footage after telescopic neck (5-1) stretches.

8. Multifunctional demountable formula life suction pipe according to claim 1, it is characterised in that: the filter layer I (7) be from Subtree rouge, filter layer II (8) are iodine resins.

9. Multifunctional demountable formula life suction pipe according to claim 1, it is characterised in that: the filter layer I (7) is to carry Active carbon of silver, filter layer II (8) are polyiodine resins.

10. Multifunctional demountable formula life suction pipe according to claim 1, it is characterised in that: the filter layer I (7) is Ion exchange resin, filter layer II (8) are sludge-based activated carbons.