CN202342989U - Nanometer water filter with automatic cleaning function - Google Patents

Abstract

The utility model relates to a nano water filter with self-cleaning function, which includes a box body, and is characterized in that: the upper part of the box body is provided with a tap water inlet, and the lower part of the box body is provided with a tap water outlet and purified water A water outlet; the box is provided with a filter bucket, the water inlet of the filter bucket is provided with a nano-membrane located below the tap water inlet and the surface is inclined, and the water outlet of the filter bucket is connected with the purified water outlet; The lower part of the box body is connected with a two-position three-way reversing valve with a first input channel, a second input channel and an output channel, the first input channel is connected to the tap water outlet, and the second input channel is connected to the purification connected to the water outlet. The utility model is convenient for users to freely choose common tap water and purified tap water, and the oblique structure of the water inlet of the filter bucket makes the nano-membrane have self-cleaning function, good filtering effect and convenient cleaning.

Description

Nano water filter with self-cleaning function

technical field

The utility model relates to a nano water filter with self-cleaning function.

Background technique

Tap water was produced more than 100 years ago, and it has been widely used in urbanization construction, and its adoption rate in China's large, medium and small cities is as high as 90%. For a long time, tap water has been synonymous with clean water and safe water, and users have highly praised it. This is not only because tap water is easy to use and can be taken at any time, but also because of its low promotion cost and relative hygiene. In the past, tap water could be directly used as drinking water and domestic water; but now, due to industrial pollution and urban waste water, the quality of tap water has declined sharply, and people have higher and higher requirements for the quality of drinking water. Therefore, a lot of companies have made some simple and easy faucet filters, are deeply liked by the people, but most of present products all have many deficiencies.

Through the comparison of a series of water purification products, it is easy to find that the filtering effect of many filters is not particularly good: (1) chemical filters using chemical methods, because of the use of chemical products, users are not at ease; There are few filters on the market with the traditional filtration method, and their filtering effect is also very limited, especially it may not be possible to filter some harmful particles with a diameter of nanometer units, and it is also difficult to isolate some microorganisms; (2) Use activated carbon, ceramics, etc. to filter materials, the filtering effect is poor, and it is almost impossible to filter harmful particles and bacteria with a diameter of nanometer scale; (3) The dirt filtered by most water filters is deposited on the surface of the filter element and in the groove inside the filter (especially the complex connection If it is not cleaned in time, it will cause secondary pollution of tap water, and because the internal structure of the filter is complex, it is not convenient to clean.

Contents of the invention

In view of the deficiencies in the prior art, the purpose of this utility model is to provide a nanometer water filter with a self-cleaning function, which has a good filtering effect and is easy to clean.

In order to achieve the above object, the technical solution of the present utility model is: a nano water filter with self-cleaning function, including a box body, characterized in that: the upper part of the box body is provided with a tap water inlet, the box body The lower part is provided with a tap water outlet and a purified water outlet; the box is provided with a filter barrel, and the water inlet of the filter barrel is provided with a nano-membrane located below the tap water inlet and with an inclined surface, and the nano-membrane is a porosity It is a nanoscale water-resistant filter layer, the water outlet of the filter barrel is connected to the purified water outlet; the lower part of the box is connected with a reversing water outlet valve for switching tap water and purified water, and the reversing water outlet valve It is a two-position three-way reversing valve with a first input channel, a second input channel and an output channel, the first input channel is connected to the tap water outlet, and the second input channel is connected to the purified water outlet.

Further, the water inlet of the filter barrel is inclined, and the water inlet is provided with a nano-membrane cover which is also inclined, and the nano-membrane is arranged on the liner of the nano-membrane cover. The mounting surface of the nano-membrane is inclined to the horizontal plane, and the inclination of the nano-membrane can be determined according to specific embodiments. Of course, the water inlet end of the filter barrel can also be in a spherical shape, and the nano-membrane is coated on the filter barrel. at the water inlet.

Further, the box consists of an upper box and a lower box. The tap water inlet is provided with a box connecting screw sleeve and a box connecting nut which are convenient for the box to be connected with the faucet. The connecting nut of the box body is connected with the faucet through a soft rubber joint.

Further, the reversing water outlet valve includes a valve body, a valve core, a positioning end cover and a switching handle connected to the valve core, a sealing ring is provided between the valve core and the valve body, and a rubber seal is provided in the valve body. The rubber block is provided with two through holes respectively connected to the first input channel and the second input channel, and the valve core is provided with a spring and a ball bounced by the spring to withstand a through hole. The reversing water outlet valve is provided with a valve body connecting screw sleeve and a valve body connecting nut for facilitating the connection between the valve body and the box body.

Compared with the prior art, the utility model has the following advantages: (1) After the tap water enters the box from the tap water inlet on the upper part of the box, the inclined surface of the nano-film is washed to remove impurities on the nano-film, so that the nano-film has Self-cleaning function; (2) Unfiltered tap water can discharge the impurities deposited in the lower part of the box through the tap water outlet to avoid impurities staying in the box for a long time; (3) The use of soft rubber connectors can make the filter suitable for installation It can be used in a wide range of faucets; (4) the filter membrane is made of nano-materials, and the purification performance is good; (5) the structure of the water filter is simple, easy to install, and it is convenient to clean the filter barrel and replace the nano-membrane.

Description of drawings

Fig. 1 is the structural representation of the utility model when running water access.

Fig. 2 is a schematic diagram of the structure of the utility model when purifying water passages.

In the figure: 1-box, 1-1-upper box, 1-2-lower box, 2-tap water inlet, 3-tap water outlet, 4-purified water outlet, 5-filter barrel, 6- Nano membrane, 7-1-valve body, 7-2-spool, 7-3-positioning end cap, 7-4-switching handle, 7-4-sealing ring, 7-5-rubber block, 7-6- Spring, 7-7-ball, 8-first input channel, 9-second input channel, 10-output channel, 11-nanometer membrane cover, 12-box connection screw sleeve, 13-box connection nut, 14- The valve body is connected to the screw sleeve, and 15-the valve body is connected to the nut.

Detailed ways

The utility model will be further elaborated below in conjunction with the accompanying drawings and embodiments of the description.

With reference to Fig. 1～2, a kind of nanometer water filter with self-cleaning function comprises casing 1, and the top of described casing 1 is provided with tap water inlet 2, and the bottom of described casing 1 is provided with tap water outlet 3 and the purified water outlet 4; the box body 1 is provided with a filter barrel 5, and the water inlet of the filter barrel 5 is provided with a nano-membrane 6 which is located below the tap water inlet 2 and has an inclined surface, and the nano-membrane 6 is A water-resistant filter layer with nano-scale porosity, the water outlet of the filter barrel 5 is connected with the purified water outlet 4; the lower part of the box body 1 is connected with a reversing outlet valve for switching tap water and purified water, so The reversing water outlet valve is a two-position three-way reversing valve with a first input channel 8, a second input channel 9 and an output channel 10, the first input channel 8 is connected to the tap water outlet 3, and the second The input channel 9 is connected with the purified water outlet 4 .

In this embodiment, in order to facilitate disassembly and cleaning of the box body 1 and the filter barrel 5, the box body 1 is composed of an upper box body 1-1 and a lower box body 1-2, and the upper box body 1-1 and the lower box body The box body 1-2 can be threaded or buckled. In order to facilitate the cleaning of the filter barrel 5 and the replacement of the nano-film 6, the water inlet of the filter barrel 5 is inclined, and the water inlet is provided with the same inclined nano-film cover 11, and the nano-film 6 is arranged on the lining of the nano-film cover 11. On the Internet, the user only needs to remove the nano-membrane cover 11 to clean or replace the nano-membrane 6, and the nano-membrane 6 can be reused after cleaning to save costs; the inclination of the nano-membrane 6 can be determined according to the specific implementation plan, preferably 45 degrees, but not limited to this, the inclination can also be 60 degrees or 30 degrees, etc., as long as the installation surface of the nano-membrane 6 is inclined to the water inlet direction or the horizontal plane of tap water. Certainly, the water inlet end of described filtering barrel 5 can also be spherical etc. and have the shape of inclined surface, and described nano-membrane 6 is coated on the water inlet place of filtering barrel 5, and the surface of nano-membrane 6 has certain inclination or curvature. The nano-membrane 6 filters common tap water, and can effectively remove impurities in the water. The filter barrel 5 is curved, and the height of the filter barrel 5 is obviously higher than the bottom of the casing 1, and the tap water coming in from the tap water inlet 2 utilizes the height drop to directly wash away the impurities attached to the nano-membrane 6 slope, In order to achieve the automatic cleaning function, the impurities washed away can be deposited in the lower box 1-2, and the deposited impurities can be discharged through the tap water outlet 3 and the output channel 10, and ordinary tap water can flow out normally after a period of time.

In this embodiment, the tap water inlet 2 is provided with a box connection threaded sleeve 12 and a box body connection nut 13 to facilitate the connection between the box body 1 and the faucet; Through the tap water inlet 2 to the outside of the box body 1, the box body connecting nut 13 is connected with the extended end of the box body connecting screw sleeve 12, and the box body connecting nut 13 is also connected with the faucet through a soft rubber joint. The soft rubber connector can make the filter suitable for being installed on faucets of various sizes, and the adjustment screw of the soft rubber connector can be tightened to ensure good sealing of the connector, and the use range is wide.

In this embodiment, the reversing outlet valve includes a valve body 7-1, a valve core 7-2, a positioning end cover 7-3, and a switching handle 7-3 connected to the valve core 7-2. A sealing ring 7-4 is arranged between the core 7-2 and the valve body 7-1, and a rubber block 7-5 is arranged inside the valve body 7-1, and two A through hole where the input channel 8 and the second input channel 9 are connected, the valve core 7-2 is provided with a spring 7-6 and a ball 7-7 that is bounced by the spring 7-6 to withstand a through hole. When the reversing water outlet valve is connected to the first input channel 8, the second input channel 9 is blocked by the ball 7-7, and ordinary tap water enters the first input channel 8 from the tap water outlet 3 at the bottom of the box body 1 and flows from the output channel. 10 flows out; when the reversing water outlet valve is connected to the second input channel 9, the first input channel 8 is blocked by the ball 7-7, and ordinary tap water enters the filter bucket 5 after being filtered by the nano-membrane 6 and exits from the clean water. The water port 4 enters the second input channel 9, and finally flows out from the output channel 10; the reversing water outlet valve is provided with a valve body connecting screw sleeve 14 and a valve body connecting screw sleeve that facilitate the connection between the valve body 7-1 and the box body 1. The valve body connection nuts 15 connected with 14 can be two valve body connection nuts 14 respectively connected with the valve body 7-1, and the two valve body connection nuts 15 are connected with the two water outlet channels of the box body 1 respectively.

The working principle of this embodiment is as follows: (1) Referring to Figure 1, the ordinary water route: ordinary tap water → tap water inlet 2 → tank 1 → tap water outlet 3 → first input channel 8 → valve body 7-1 → output channel 10; (2) Referring to Figure 2, the purified water route: ordinary tap water → tap water inlet 2 → box body 1 → nano-membrane 6 → filter barrel 5 → purified water outlet 4 → second input channel 9 → valve body 7-1 → Output channel 10.

With reference to Fig. 1 ~ 2, the water filtration method of the present embodiment: tap water flows on the nano-membrane 6 in the casing 1 from the tap water inlet 3 of casing 1 top to flush its inclined surface, and the impurity on the nano-membrane 6 follows with The water flows to the lower part of the box body 1 to settle; when the first input channel 8 of the reversing water outlet valve is connected, the tap water in the box body 1 is washed and flows through the surface of the nano-membrane, and then flows into the second tap water outlet 3 at the bottom of the box body 1 One input channel 8 flows out from the output channel 10; when the second input channel 9 of the reversing water outlet valve is connected, the tap water in the box body 1 first passes through the nano-membrane 6 and then enters the filter barrel 5, and then flows from the purified water outlet 4 flows into the second input channel 9 and finally flows out of the output channel 10.

The utility model adopts nano-membrane filtration, and its filtration effect is superior to chemical formula, pinhole type and other filtration methods, not only can remove particles as small as bacteria, but also has automatic cleaning function; the filter is small in size, easy to install, disassemble and replace The membrane is convenient, and is especially suitable for ordinary households; the filter can be manufactured by plastic molds, suitable for mass production, cheap in cost, and has a relatively broad market.

It should be noted that the nano water filter described in Figures 1-2 is in a vertical state, of course, the nano water filter can also be slightly changed and rotated to be in a horizontal state, and the principle is the same.

The above descriptions are only preferred embodiments of the present utility model, and all equivalent changes and modifications made according to the patent scope of the present utility model shall fall within the scope of the present utility model.

Claims (9)

1. the nanometer water filter with self-cleaning function comprises casing, and it is characterized in that: the top of said casing is provided with the running water water inlet, and the bottom of said casing is provided with the running water outlet mouth and purifies waste water delivery port; Be provided with filter vat in the said casing; The water inlet of said filter vat is provided with the nanometer film that is positioned at running water water inlet below and surface tilt; Said nanometer film is that porosity is nano level resistance to water filter course, and the delivery port of said filter vat is connected with the delivery port of purifying waste water; The bottom of said casing is connected with and is used to switch running water and the reversing water outlet valve of purifying waste water; Said reversing water outlet valve is the two position three way directional control valve with first input channel, second input channel and output channel; Said first input channel is connected with the running water outlet mouth, and said second input channel is connected with the delivery port of purifying waste water.

2. the nanometer water filter with self-cleaning function according to claim 1, it is characterized in that: the water inlet of said filter vat is tilting, and said water inlet is provided with the nanometer membrane cover of same inclination, and it is online that said nanometer film is arranged on the lining of nanometer membrane cover.

3. the nanometer water filter with self-cleaning function according to claim 1, it is characterized in that: the water inlet end of said filter vat is spherical, and said nanometer film is coated on the water inlet of filter vat.

4. the nanometer water filter with self-cleaning function according to claim 1 and 2, it is characterized in that: the installed surface of said nanometer film favours horizontal plane.

5. the nanometer water filter with self-cleaning function according to claim 1, it is characterized in that: said casing is made up of upper box and lower box.

6. the nanometer water filter with self-cleaning function according to claim 1 is characterized in that: said running water water inlet is provided with to be convenient to the casing that casing is connected with tap and to be connected swivel nut and casing attaching nut.

7. the nanometer water filter with self-cleaning function according to claim 6 is characterized in that: said casing attaching nut is connected with tap through the soft rubber joint.

8. the nanometer water filter with self-cleaning function according to claim 1; It is characterized in that: said reversing water outlet valve comprises valve body, spool, location end cap and the switching handle that is connected with spool; Be provided with sealing ring between said spool and the valve body; Be provided with block rubber in the said valve body, said block rubber offers two through holes that connect with first input channel and second input channel respectively, is provided with spring in the said spool and is flicked to withstand the ball of a through hole by spring.

9. the nanometer water filter with self-cleaning function according to claim 8 is characterized in that: said reversing water outlet valve is provided with to be convenient to the valve body that valve body is connected with casing and to be connected swivel nut and valve body attaching nut.

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