CN114349193B - Portable high-purification-degree water purifier - Google Patents

Abstract

The invention discloses a portable high-purification water purifier, which includes a purification outer cylinder, a piston control seat is connected to the top of the purification outer cylinder, and a membrane end cover is connected to the end of the purification outer cylinder far away from the piston control seat. The membrane end cover is a hollow structure with an opening at one end. The opening of the membrane end cover is sleeved on the surface of the purification outer cylinder. The end of the membrane end cover away from the opening is fixedly connected with a membrane base. A clean water connection pipe head and a drainage connection pipe head are respectively connected in the membrane base. This kind of portable high-purity water purifier, by setting the filter water storage head, starts from the raw water inlet, filters the preliminary water inlet, filters out large particles of impurities and waste, saves the time for later filtration, positioning sleeve The cylinder and the detachable filter seat are designed as a detachable structure, which can clean the water filter plate in time to prevent impurities from clogging and water intake from being blocked. By setting the buckle block, the filter water storage head can be fixed. It is convenient to store at any time.

Description

A portable high-purification water purifier

technical field

The invention relates to the technical field of water purifiers, in particular to a portable high-purification water purifier.

Background technique

At present, most portable water purifiers are emergency drinking water devices developed according to usage scenarios and special backgrounds. There are many low-purity water purifiers in the market that use microfiltration membranes, ultrafiltration membranes, ceramic membranes, or charcoal, resin, and other special filter layers for decolorization, deodorization, and turbidity reduction. Most of these water purifiers are used as devices for meeting emergency drinking water needs in specific environments or in short-term field construction, investigation, training, tourism, exploration, post-earthquake disaster relief and other activities. These devices generally do not have any problems in dealing with better raw water quality, but when dealing with more complex raw water, the rapid failure of the filter element will often cause the water to fail to meet the standard, and some of the existing purifiers need to be powered to work normally. Use, this then is inconvenient to use in the field, and weight is heavier, is also inconvenient to carry. Therefore, we improve this and propose a portable high-purification water purifier.

Contents of the invention

In order to solve the problems of the technologies described above, the present invention provides the following technical solutions:

A portable high-purification water purifier of the present invention includes a purification outer cylinder, a piston control seat is connected to the top of the purification outer cylinder, and a membrane end cover is connected to the end of the purification outer cylinder far away from the piston control seat. The membrane end cover is a hollow structure with an opening at one end. The opening of the membrane end cover is sleeved on the surface of the purification outer cylinder. The end of the membrane end cover away from the opening is fixedly connected with a membrane base. The membrane base The water purification connecting pipe head and the drainage connecting pipe head are respectively connected inside, the inside of the purification outer cylinder is provided with a low-pressure membrane filter element, and the two ends of the low-pressure membrane filter element are respectively provided with a sealing upper plate and a sealing lower plate, and the sealing upper plate The middle part of the plate is fixedly connected to the inner top of the purification outer cylinder through a protrusion, and one side of the purification outer cylinder is provided with a pressing handle, and one end of the pressing handle is fixedly connected with an adjustment handle through a bending rod, and the adjustment handle is The middle end is rotatably connected with a rotating rod, one end of the rotating rod moves through the adjusting handle rod, and the two ends of the rotating rod are respectively fixedly connected to the surface of the piston control seat through the mounting block, and the piston control seat is provided with two The piston grooves are symmetrical to each other, and a piston cylinder is movably arranged in the piston groove, and the two piston cylinders are connected to the adjustment handle rod through the piston rod, and a raw water hose is connected to the surface of the purification outer cylinder.

As a preferred technical solution of the present invention, the purification outer cylinder is a cylindrical hollow structure with openings at both ends, the end of the surface of the purification outer cylinder close to the membrane end cover is connected with a membrane end cover positioning seat, and the membrane The surface of the positioning seat of the end cover is fixedly connected with a plurality of buckle push blocks two.

As a preferred technical solution of the present invention, a plurality of buckle push blocks 1 are fixedly connected to the inner wall of the side of the membrane end cover close to the purification outer cylinder, and four buckle push blocks 1 are arranged in a ring shape Type array arrangement, the buckle push block 1 and the buckle push block 2 are set in one-to-one correspondence, the bottom of the membrane end cover is fixedly connected with the limit ring, and the limit ring is set along the inner wall of the membrane end cover, the membrane The middle part of the end cover away from the opening is vertically connected with a water outlet seat pipe and communicated with the clean water connection pipe head. The bottom of the membrane end cover is provided with a flushing through hole, and the flushing through hole is connected with the drain connection pipe head.

As a preferred technical solution of the present invention, the sealing upper plate and the sealing lower plate are respectively provided with a filter element groove at one end close to the low-pressure membrane filter element, the middle part of the sealing lower plate is provided with a water through hole, and the sealing lower plate The surface of the filter residue is provided with a through hole, and a gap is provided between the lower sealing plate and the bottom of the membrane end cover. The filter residue through hole is arranged outside the filter element groove, and a silicone seal The bottom of the sealing lower plate is in contact with the inner limit ring of the membrane end cover, and the water through hole is set through the water outlet seat tube.

As a preferred technical solution of the present invention, a water purification hose is connected to the water purification connection pipe head, a drain valve is installed on the surface of the drainage connection pipe head, and the end of the drainage connection pipe head away from the membrane base Drain hose is connected.

As a preferred technical solution of the present invention, one end of the raw water hose is connected to the purification outer cylinder, and the other end of the raw water hose is fixedly connected with a filter water storage head.

As a preferred technical solution of the present invention, the filter water storage head includes a positioning sleeve and a detachable filter seat, the positioning sleeve is connected to the raw water hose and communicates with the inside of the raw water hose, and the detachable filter seat It is a cylindrical hollow structure, and a water filter plate is installed at the opening of one end of the dismantled filter seat, and the inner wall of the opening at the other end of the disassembled filter seat is provided with threaded grooves, and is connected with the positioning sleeve through threads.

As a preferred technical solution of the present invention, the bottom of the piston groove communicates with the inside of the purification outer cylinder through a connecting air pipe, and one end of the piston rod moves through the top of the piston control seat.

As a preferred technical solution of the present invention, one end of one of the piston rods passing through the piston control seat is rotatably connected to an adjustment rotary block, and the other end of the adjustment rotary block is rotatably connected to the other end of the adjustment handle rod. The bottom of the adjustment handle is provided with an amplitude adjustment slot, and a rotary block is slidably connected in the amplitude adjustment slot, and one end of the rotary block passes through the adjustment slot, and is rotatably connected to the surface of the other piston rod.

As a preferred technical solution of the present invention, a buckle block is installed on the side of the purification outer cylinder close to the raw water hose, a bayonet is provided on the side of the buckle block away from the purification outer cylinder, and the other side is fixed Connect the limit block, the top of the limit block is provided with a slot, the end of the pressing handle close to the limit block is fixedly connected with a positioning block, and the side of the positioning block close to the limit block passes through the transfer block The turning connection is connected with a turning inserting rod, and the end of the turning inserting bar away from the positioning block is movably inserted into the slot.

The beneficial effects of the present invention are:

1. This kind of portable high-purification water purifier, by setting the filter water storage head, starts from the raw water inlet, filters the preliminary water inlet, filters out large particles of impurities and waste, and saves the time for later filtration. The positioning sleeve and the detachable filter seat are designed as a detachable structure, which can clean the water filter plate in time to prevent impurities from clogging and water inlet from being blocked. By setting the buckle block, the filter water storage head can be fixed. Convenient storage when in use;

2. This kind of portable high-purification water purifier is equipped with two sets of piston cylinders. The piston cylinders pump air into the purification outer cylinder to reduce the air pressure in the purification outer cylinder, so that the water that needs to be filtered will be filtered under the action of pressure. It is sucked into the purification outer cylinder and does not need other motors for pumping operation, which reduces the weight of the whole device and also reduces the production cost of the whole device. The two piston rods are adjusted by adjusting the handle and run alternately. The handle is convenient to adjust the angle of the adjustment handle. By setting the flip insert rod and the slot, the position of the pressing handle can be limited. It is convenient that the pressing handle will not be easily rotated when not in use, and the pressing handle can be fixed. s position;

3. This kind of portable high-purification water purifier can disassemble and replace the internal low-pressure membrane filter element by setting a detachable membrane end cover and a purification outer cylinder. The movable clamping connection between them can simplify the steps of disassembly, twist the membrane end cover, and the disassembly process can be carried out in one step, reducing the fixed parts on the surface of the purification outer cylinder and reducing the overall quality of the purifier. By setting the water purification connection pipe head Connect the pipe head with the drainage, and discharge the treated water separately from the water in the cleaning process. On the premise of not dismantling the purifier, the low-pressure membrane filter element can also be cleaned simply;

4. This kind of portable high-purification water purifier can remove turbidity, chroma, suspended matter, heavy metal ions, bacteria, viruses, pesticides, organic matter, radioactive substances, etc. in raw water. The nanofiltration membrane or reverse osmosis membrane with driving pressure makes the purified water meet the standard of direct drinking water, and the water quality can be stored for a long time without deterioration. Press the handle to operate, saving time and effort. The piston cylinder provides pumping power without external power support. Take it and use it at any time, multi-functional drainage pipeline and supporting low-pressure low-pressure membrane filter element with small volume and high flux. The whole device is easy and comfortable to operate, with large water output and beautiful and compact appearance.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the description, and are used together with the embodiments of the present invention to explain the present invention, and do not constitute a limitation to the present invention. In the attached picture:

Fig. 1 is a perspective view one of a portable high-purification water purifier of the present invention;

Fig. 2 is a perspective view two of a portable high-purification water purifier of the present invention;

Fig. 3 is a split perspective view 1 of a portable high-purification water purifier of the present invention;

Fig. 4 is a disassembled perspective view 2 of a portable high-purification water purifier of the present invention;

Fig. 5 is a schematic structural view of a portable high-purification water purifier of the present invention;

Fig. 6 is a three-dimensional view of a membrane end cover of a portable high-purification water purifier according to the present invention;

Fig. 7 is a second perspective view of a membrane end cover of a portable high-purification water purifier of the present invention;

Fig. 8 is an enlarged view of place A in Fig. 1 of the present invention;

Fig. 9 is an enlarged view of B in Fig. 2 of the present invention.

In the figure: 1, purification outer cylinder; 101, sealing upper plate; 102, low-pressure membrane filter element; 103, sealing lower plate; 104, filter element groove; 2, pressing handle; 3, buckle block; 4, membrane end cover; 401 , buckle push block one; 402, water outlet seat pipe; 403, flushing through hole; 5, membrane base; 501, clean water connection pipe head; 502, drainage connection pipe; 503, drain valve; 6, piston control seat; , Piston groove; 602, Piston cylinder; 603, Piston rod; 7, Adjusting handle rod; 8, Raw water hose; 9, Filtration water storage head; 901, Positioning sleeve; ; 10, adjusting turn block; 11, installation block; 12, rotating rod; 13, water purification hose; 14, drainage hose; 15, control block; 16, positioning block; 17, membrane end cover positioning seat; 18, Buckle push block two; 19, flip insert rod; 20, slot.

Detailed ways

The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

Embodiment: As shown in Figures 1-9, a portable high-purification water purifier of the present invention includes a purification outer cylinder 1, a piston control seat 6 is connected to the top of the purification outer cylinder 1, and the purification outer cylinder 1 is controlled away from the piston. One end of the seat 6 is connected with a membrane end cover 4, which is a hollow structure with an opening at one end. One end is fixedly connected with a membrane base 5, and the membrane base 5 is respectively connected with a water purification connection pipe head 501 and a drainage connection pipe head 502, and a low-pressure membrane filter element 102 is arranged inside the purification outer cylinder 1, and the two ends of the low-pressure membrane filter element 102 are respectively arranged There is a sealing upper plate 101 and a sealing lower plate 103, and the middle part of the sealing upper plate 101 is fixedly connected to the inner top of the purification outer cylinder 1 through a protrusion, and a pressing handle 2 is arranged on one side of the purification outer cylinder 1, and one end of the pressing handle 2 passes through The bending rod is fixedly connected with an adjusting handle 7, and the middle end of the adjusting handle 7 is rotatably connected with a rotating rod 12, and one end of the rotating rod 12 moves through the adjusting handle 7, and the two ends of the rotating rod 12 are respectively fixed by mounting blocks 11 Connected to the surface of the piston control seat 6, the piston control seat 6 is provided with two mutually symmetrical piston grooves 601, and a piston cylinder 602 is movable in the piston groove 601, and the two piston cylinders 602 are connected to the adjustment handle through the piston rod 603 7, a raw water hose 8 is connected to one side of the surface of the purification outer cylinder 1.

Wherein, the purification outer cylinder 1 is a cylindrical hollow structure with openings at both ends, the end of the purification outer cylinder 1 surface close to the membrane end cover 4 is connected with a membrane end cover positioning seat 17, and the surface of the membrane end cover positioning seat 17 is fixedly connected with A plurality of buckle push blocks two 18 .

Among them, a plurality of buckle push blocks 401 are fixedly connected to the inner wall of the side of the membrane end cover 4 close to the purification outer cylinder 1, and four buckle push blocks 1 401 are arranged in an annular array, and the buckle push blocks One 401 is arranged in one-to-one correspondence with the buckle push block two 18, the bottom of the membrane end cover 4 is fixedly connected to the limit ring, and the limit ring is arranged along the inner wall of the membrane end cover 4, and the middle part of the end of the membrane end cover 4 away from the opening A water outlet seat pipe 402 is vertically connected and communicated with the clean water connection nozzle 501 . The bottom of the membrane end cover 4 is provided with a flushing through hole 403 .

Wherein, one end of the upper sealing plate 101 and the lower sealing plate 103 close to the low-pressure membrane filter element 102 is respectively provided with a filter element groove 104, the middle part of the lower sealing plate 103 is provided with a drainage through hole, and the surface of the lower sealing plate 103 is provided with a filter residue through hole, There is a gap between the bottom of the sealing lower plate 103 and the membrane end cover 4, the filter residue through hole is arranged on the outside of the filter element groove 104, and the bottom edge of the sealing lower plate 103 is provided with a silica gel sealing strip to seal the bottom of the lower plate 103 and the membrane. The limit rings in the end cover 4 are in contact with each other, and the water outlet through hole is set through the water outlet seat pipe 402 .

Wherein, the clean water connection pipe head 501 is connected with the water purification hose 13, the surface of the drainage connection pipe head 502 is equipped with a drain valve 503, and the end of the drainage connection pipe head 502 away from the membrane base 5 is connected with the drain hose 14.

Wherein, one end of the raw water hose 8 is connected to the purification outer cylinder 1 , and the other end of the raw water hose 8 is fixedly connected with a filter water storage head 9 .

Wherein, the filter storage head 9 includes a positioning sleeve 901 and a dismantling filter seat 902, the positioning sleeve 901 is connected to the raw water hose 8, and communicates with the raw water hose 8, the dismantling filter seat 902 is a cylindrical hollow structure, and A water filter plate 903 is installed at the opening of one end of the dismantling filter seat 902 , and a threaded tooth groove is arranged on the inner wall of the opening of the other end of the dismantling filter seat 902 , and is threadedly connected with the positioning sleeve 901 .

Wherein, the bottom of the piston groove 601 communicates with the inside of the purification outer cylinder 1 through a communication air pipe, and one end of the piston rod 603 moves through the top of the piston control seat 6 .

Wherein, one end of one of the piston rods 603 passing through the piston control seat 6 is rotatably connected with the adjusting rotary block 10, and the other end of the adjusting rotary block 10 is rotatably connected with the other end of the adjusting handle 7, and the bottom of the adjusting handle 7 is provided with a range In the adjustment slot, a rotary block is slidably connected in the amplitude adjustment slot, and one end of the rotary block passes through the adjustment slot and is rotatably connected to the surface of the other piston rod 603 .

Wherein, the buckle block 3 is installed on the side of the purification outer cylinder 1 close to the raw water hose 8, and the side of the buckle block 3 away from the purification outer cylinder 1 is provided with a bayonet, and the other side is fixedly connected with a limit block 15, which limits The top of the positioning block 15 is provided with a slot 20, and the end of the pressing handle 2 close to the limiting block 15 is fixedly connected with a positioning block 16, and the side of the positioning block 16 close to the limiting block 15 is connected with a flip plug through the rotation of the adapter block. Rod 19, and flip the end of the insertion rod 19 far away from the positioning block 16 to be movably inserted into the slot 20.

Working principle: hold the purification outer cylinder 1, place the filter water storage head 9 in the water to be treated, turn the flip insertion rod 19 to keep the flip insertion rod 19 away from the slot 20, hold the end of the push handle 2 and press up and down to shake, Drive the adjusting handle 7 to flip and shake, the adjusting handle 7 adjusts the range of motion of the two piston rods 603, pulls the piston cylinder 602 to move up and down in the piston groove 601, compresses and purifies the air in the outer cylinder 1, and filters the water storage head 9 Absorb water, so that the raw water is constantly sucked and pressurized and transported to the purification outer cylinder 1. After entering the purification outer cylinder 1, the raw water is filtered by the built-in low-pressure membrane filter element 102 to filter out the turbidity and chroma in the raw water. , suspended solids, heavy metal ions, bacteria, viruses, pesticides, organic matter, radioactive and other harmful substances are filtered out, and the filtered clean water flows into the middle of the low-pressure membrane filter element 102, which is connected to the water outlet seat pipe 402. After the purifier is used for a long time, a large amount of pollutants are accumulated on the surface of the low-pressure membrane filter element 102, so the drain valve 503 can be opened on time, and the handle 2 can be quickly shaken , to form a large flow of influent water to wash the surface of the low-pressure membrane filter element 102, so that impurities and attachments accumulated on the surface of the low-pressure membrane filter element 102 can be removed, and it is also convenient for normal use in the later period. into the membrane end cover 4, and finally discharged by the drain hose 14, and the impurities follow the concentrated water through the drain hose 14 to be drained and cleaned up;

By setting the filter water storage head 9, starting from the raw water inlet, the preliminary water inlet is filtered to filter out large particles of impurities and waste, saving the time for later filtration, the positioning sleeve 901 and the dismantling filter seat 902 are designed to The detachable structure can clean the water filter plate 903 in time to prevent impurities from clogging and water intake from being blocked. By setting the buckle block 3, the filter water storage head 9 can be fixed, and the filter water storage head 9 is stuck on the The surface of the buckle block 3 is convenient for storage when not in use. By setting two sets of piston cylinders 602, the piston cylinders 602 pump air into the purification outer cylinder 1 to reduce the air pressure in the purification outer cylinder 1, so that the water that needs to be filtered, Under the action of pressure, it is attracted into the purification outer cylinder 1, and no other motors are needed for pumping operation, which reduces the weight of the entire device and also reduces the production cost of the entire device. The two piston rods 603 are adjusted by the handle 7 to adjust and operate alternately. By setting the pressing handle 2, it is convenient to adjust the angle of the adjusting handle 2. By setting the flip insertion rod 19 and the slot 20, the position of the pressing handle 2 can be limited, which can be convenient when not in use. When turning the overturning plunger 19, one end of the overturning plunger 19 passes through the top of the slot 20 and is inserted into the slot 20. The pressing handle 2 will not be rotated easily, and the position of the pressing handle 2 is fixed. The disassembled membrane end cover 4 and the purification outer cylinder 1 can disassemble and replace the internal low-pressure membrane filter element 102, and the movable clamping connection between the buckle push block 1 401 and the buckle push block 2 18 can simplify disassembly. The steps are as follows: twist the membrane end cover, and the disassembly process can be carried out in one step, reducing the fixed parts on the surface of the purification outer cylinder 1, and reducing the overall quality of the purifier. One end of the membrane end cover 4 is inserted into the surface of the purification outer cylinder 1, and the buckle Push block 1 401 and buckle push block 2 18 are located alternately. When the membrane end cover 4 is completely sleeved on the surface of the purification outer cylinder 1, the membrane end cover 4 is rotated, and the buckle push block 1 401 is fixed on the buckle. Push the surface of block 2 18 to complete the fixation. By setting the clean water connection head 501 and the drainage connection head 502, the treated water and the water in the cleaning process are discharged separately. Under the premise of not dismantling the purifier, it can also The low-pressure membrane filter element 102 can be easily cleaned. This device can remove turbidity, chromaticity, suspended solids, heavy metal ions, bacteria, viruses, pesticides, organic substances, radioactive substances, etc. in the raw water, so that the purified water can reach a direct Drinking water standard, and the water quality can be stored for a long time without deterioration, press the handle 2 to operate, saving time and effort, the piston cylinder 602 provides pumping power, no external power support is required, and it can be used at any time, multi-functional drainage pipeline and supporting small The low-pressure and low-pressure membrane filter element 102 with large volume and flux, the whole device is simple and comfortable to operate, has large water output, beautiful and compact appearance, and is a portable high-purification water purifier.

The device adopts high-purity low-pressure nanofiltration membrane or reverse osmosis membrane to remove impurities thoroughly, and is more suitable for unknown surface water sources in the field. The purification is safer than general portable low-purity microfiltration, ultrafiltration or ceramic membrane filter water purifiers. High, the purified water can be safely drunk.

Finally, it should be noted that in the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal" etc. is based on the orientation shown in the drawings Or positional relationship is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise clearly specified and limited, the terms "installation", "installation", "connection" and "connection" should be understood in a broad sense, for example, it may be a fixed connection, It can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still understand the foregoing embodiments The recorded technical solutions are modified, or some of the technical features are equivalently replaced. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. The utility model provides a portable high purification degree water purifier, is including purifying urceolus (1), its characterized in that, the top of purifying urceolus (1) is connected with piston control seat (6), the one end of keeping away from piston control seat (6) on purifying urceolus (1) is connected with membrane end cover (4), open-ended hollow structure has been seted up for one end to membrane end cover (4), the surface of purifying urceolus (1) is established to the opening part cover of membrane end cover (4), the one end fixedly connected with membrane base (5) of keeping away from the opening part on membrane end cover (4), be connected with water purification connector head (501) and drainage connector head (502) in membrane base (5) respectively, the inside of purifying urceolus (1) is provided with low pressure membrane filter core (102), the both ends of low pressure membrane filter core (102) are provided with sealed upper plate (101) and sealed hypoplastron (103) respectively, and the middle part of sealed upper plate (101) passes through dwang fixed connection at the top in purifying urceolus (1) top, the one side of purifying urceolus (1) is provided with and presses handle (2), the one end of pressing handle (2) is passed through crooked fixedly connected with regulating rod (7), regulating rod (7) is passed through the movable handle rod (12) and the control rod (12) is connected with the handle end of piston control rod (12) respectively and the handle (12) is passed through the handle installation handle (12) installation 6) The device comprises a piston control base (6), wherein two symmetrical piston grooves (601) are arranged in the piston control base (6), piston cylinders (602) are movably arranged in the piston grooves (601), the two piston cylinders (602) are connected to an adjusting handle rod (7) through piston rods (603), and one side of the surface of a purification outer cylinder (1) is connected with a raw water hose (8).

2. The portable water purifier with high purification degree according to claim 1, wherein the purification outer cylinder (1) is a cylindrical hollow structure with openings at two ends, one end of the surface of the purification outer cylinder (1) close to the membrane end cover (4) is connected with a membrane end cover positioning seat (17), and the surface of the membrane end cover positioning seat (17) is fixedly connected with a plurality of second buckle push blocks (18).

3. The portable high-purification water purifier as claimed in claim 2, wherein a plurality of first buckle push blocks (401) are fixedly connected to an inner wall of one side of the membrane end cover (4) close to the purification outer cylinder (1), the first buckle push blocks (401) are four and arranged in a ring array, the first buckle push blocks (401) and the second buckle push blocks (18) are arranged in a one-to-one correspondence manner, a limiting ring is fixedly connected to the bottom of the membrane end cover (4) and arranged along the inner wall of the membrane end cover (4), a water outlet base pipe (402) is vertically connected to the middle of one end of the membrane end cover (4) far away from the opening and communicated with the water purification connecting pipe head (501), a flushing through hole (403) is formed in the bottom of the membrane end cover (4), and the flushing through hole (403) is communicated with the water drainage connecting pipe head (502).

4. The portable high-purification water purifier as claimed in claim 3, wherein the upper sealing plate (101) and the lower sealing plate (103) are provided with a filter element groove (104) at one end close to the low-pressure membrane filter element (102), the lower sealing plate (103) is provided with a water outlet hole at the middle part, the lower sealing plate (103) is provided with a filter residue through hole at the surface, a gap is provided between the lower sealing plate (103) and the bottom of the membrane end cover (4), the filter residue through hole is arranged at the outer side of the filter element groove (104), a silica gel sealing strip is arranged at the bottom edge of the lower sealing plate (103), the bottom of the lower sealing plate (103) is in contact with the inner limit ring of the membrane end cover (4), and the water outlet hole passes through the water outlet seat pipe (402).

5. The portable high-purification water purifier as claimed in claim 1, wherein the water purifying connector (501) is connected with a water purifying hose (13), the surface of the water draining connector (502) is provided with a water draining valve (503), and one end of the water draining connector (502) far away from the membrane base (5) is connected with a water draining hose (14).

6. The portable water purifier with high purification degree according to claim 1, wherein one end of the raw water hose (8) is communicated with the inside of the purification outer cylinder (1), and the other end of the raw water hose (8) is fixedly connected with the filtration water storage head (9).

7. The portable water purifier with high purification degree according to claim 6, wherein the filtering water storage head (9) comprises a positioning sleeve (901) and a detachable filter base (902), the positioning sleeve (901) is connected to the raw water hose (8) and is communicated with the interior of the raw water hose (8), the detachable filter base (902) is of a cylindrical hollow structure, a water filtering plate (903) is installed at an opening at one end of the detachable filter base (902), and a thread tooth socket is arranged on the inner wall of an opening at the other end of the detachable filter base (902) and is connected with the positioning sleeve (901) through threads.

8. The portable water purifier with high purification degree according to claim 1, wherein the bottom of the piston groove (601) is communicated with the inside of the purification outer cylinder (1) through a communication air pipe, and one end of the piston rod (603) movably passes through the top of the piston control seat (6).

9. The portable water purifier with high purification degree according to claim 1, wherein one end of one of the piston rods (603) passing through the piston control seat (6) is rotatably connected with an adjusting rotating block (10), the other end of the adjusting rotating block (10) is rotatably connected with the other end of the adjusting handle rod (7), the bottom of the adjusting handle rod (7) is provided with an amplitude adjusting groove, the rotating block is slidably connected in the amplitude adjusting groove, and one end of the rotating block passes through the adjusting groove and is rotatably connected to the surface of the other piston rod (603).

10. The portable water purifier with high purification degree according to claim 1, wherein a buckling block (3) is installed on one side, close to the raw water hose (8), of the purification outer cylinder (1), a bayonet is formed in one side, away from the purification outer cylinder (1), of the purification outer cylinder (3), a limiting block (15) is fixedly connected to the other side of the purification outer cylinder, a slot (20) is formed in the top of the limiting block (15), a positioning block (16) is fixedly connected to one end, close to the limiting block (15), of the pressing handle (2), a side face, close to the limiting block (15), of the positioning block (16) is rotatably connected with a turnover inserting rod (19) through a switching block, and one end, away from the positioning block (16), of the turnover inserting rod (19) is movably inserted into the slot (20).

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