CN211885572U - Water purification unit and leading filter thereof - Google Patents

Abstract

The utility model discloses a leading filter, include: the pre-filter flask is provided with a filter screen and is used for filtering source water entering the pre-filter flask through the filter screen to form filtered water to flow out; the front filter cover is matched and connected with the front filter bottle and used for supplying source water to the front filter bottle; the filter also comprises a sealing assembly used for completely feeding the source water into the filter screen. The utility model also discloses a water purification unit of including above-mentioned leading filter. Above-mentioned leading filter can make the source water that gets into in the leading filter flask all get into the filter screen in the filtration form the drainage, and then can improve filtration efficiency and prevent that the drainage from by secondary pollution, simultaneously, above-mentioned leading filter can avoid causing the connecting segment between leading filter cap and leading filter flask of a large amount of pollutants such as silt entering because long-time not clear up, leads to the two to connect inefficacy.

Description

Water purification unit and leading filter thereof

Technical Field

The utility model relates to a water purification technology field, in particular to leading filter. The utility model discloses still relate to a water purification unit who has this leading filter.

Background

At present, the water purification process of the mainstream water purification product in the market is that the source water directly enters the water purification equipment without primary treatment, namely, the water purification product completely depends on the complete machine to thoroughly intercept impurities and harmful substances in the water by virtue of the filter element. The method has the problem that the quality of source water cannot be effectively controlled, and particularly for users in areas with poor water quality, the direct influence of the water purification method is as follows: the water inlet electromagnetic valve is easy to block, so that source water can continuously flow out from the waste water end without passing through the filter element, a large amount of waste of water resources is caused, and a large amount of indoor water is accumulated; the service life of the filter element in the water purifying equipment is seriously reduced, so that a user has to frequently replace one or more filter elements to ensure the water purifying quality. Moreover, frequent replacement of the filter cartridge, on the one hand, takes a lot of time for the user and, on the other hand, also causes a significant increase in the use costs, which is also unacceptable for the user.

Therefore, how to avoid the technical problem that the traditional water purification mode is difficult to meet the water purification requirement of users is needed to be solved by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a leading filter, this leading filter can prevent that source water from oozing through gap between leading filter cap and leading filter flask, gap between leading filter flask and filter screen to can make the source water that gets into in the leading filter flask all get into the filter screen in filter screen and filter and form the drainage. The utility model also aims at providing a water purification unit including above-mentioned leading filter.

To achieve the above object, the present invention provides a prefilter, comprising:

the pre-filter flask is provided with a filter screen and is used for filtering source water entering the pre-filter flask through the filter screen to form filtered water and then discharging the filtered water;

the preposed filter cover is matched and connected with the preposed filter bottle and is used for allowing source water to enter the preposed filter bottle;

the filter screen also comprises a sealing assembly used for enabling all source water entering the preposed filter bottle to enter the filter screen.

Optionally, the seal assembly comprises:

the first sealing ring is arranged between the inner wall of the front filter cover and the outer wall of the front filter bottle and is used for preventing source water from flowing out along the inner wall of the front filter cover;

locate the inner wall of leading filter flask with second sealing washer between the outer wall of filter screen, the second sealing washer is used for preventing the warp the filtration water that forms after the filter screen filters is polluted by the source water.

Optionally, a first mounting groove which is formed along the radial direction of the outer wall of the front filter flask and used for fixedly mounting the first sealing ring is formed in the outer wall of the front filter flask; the outer wall of the filter screen is fixedly connected with an annular sealing connecting block which is used for being tightly attached to the inner wall of the front filter flask, and the annular sealing connecting block is provided with a second mounting groove which is radially arranged along the annular sealing connecting block and is used for fixing and mounting the second sealing ring.

Optionally, the front filter cover and the front filter bottle are connected through thread fit.

Optionally, the outer wall of the front filter bottle is provided with a first thread screwing section located below the first mounting groove, and the inner wall of the front filter cover is provided with a second thread screwing section used for being connected with the first thread screwing section in a matched manner.

Optionally, the filter also comprises a plurality of first limiting bulges which are arranged inside the front filter flask and used for limiting the filter screen; the bottom of filter screen be equipped with a plurality of be used for with first spacing protruding cooperation is connected and is realized spacingly the spacing arch of second of filter screen, just first spacing arch with the spacing protruding one-to-one setting of second.

Optionally, the screen is embodied as a cylindrical screen.

The utility model also provides a water purification unit, including above-mentioned arbitrary preceding filter.

Compared with the prior art, the utility model discloses to the different requirements of resident's water, a leading filter has been designed, specifically speaking, above-mentioned leading filter includes leading filter flask and leading filter cap, wherein, the inside of leading filter flask is equipped with the filter screen, leading filter cap and leading filter flask cooperation are connected, leading filter cap can make source water get into leading filter flask, so, source water that gets into in leading filter flask from leading filter cap can form the drainage after the filter screen filters and flow out; furthermore, the pre-filter also comprises a sealing component, and the source water can be prevented from seeping out through a gap between the pre-filter cover and the pre-filter bottle and a gap between the pre-filter bottle and the filter screen through the arrangement of the sealing component, so that the source water entering the pre-filter bottle can completely enter the filter screen to be filtered to form filtered water, and further, the filtering efficiency can be improved and the filtered water can be prevented from being secondarily polluted; simultaneously, above-mentioned leading filter can avoid causing the connecting segment between a large amount of pollutants such as silt get into leading filter cap and leading filter flask because long-time not clear up, leads to the two to connect the inefficacy to can prevent to lead to the fact leaking because leading filter cap and leading filter flask are connected inseparably through setting up seal assembly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a prefilter according to an embodiment of the present invention.

Wherein:

1-a front filter cover, 2-a front filter flask, 3-a filter screen, 4-a first seal ring and 5-a second seal ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The core of the utility model is to provide a leading filter, this leading filter can prevent that source water from oozing through gap between leading filter cap and leading filter flask, gap between leading filter flask and filter screen to can make the source water that gets into in the leading filter flask all get into the filter screen in filter and form the drainage. The other core of the utility model is to provide a water purifying device comprising the pre-filter.

In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

It should be noted that the following directional terms such as "upper end, lower end, left side, right side" and the like are defined based on the drawings of the specification.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a pre-filter according to an embodiment of the present invention. The direction of the arrows shown in the figure is the direction of flow of the source water in the pre-filter.

The embodiment of the utility model provides a prefilter mainly is applied to the front end of water purification equipment such as common purifier, water purification machine and public straight drink machine in market, and this prefilter includes leading filter flask 2 and leading filter cap 1, wherein, the inside of leading filter flask 2 is equipped with filter screen 3, leading filter cap 1 and leading filter flask 2 cooperate to be connected, leading filter cap 1 can make the source water get into leading filter flask 2, like this, the source water that gets into leading filter flask 2 from leading filter cap 1 can form the filtered water and flow out after filter screen 3 filters; the pre-filter also comprises a sealing component, and the source water can be prevented from seeping out through a gap between the pre-filter cover 1 and the pre-filter bottle 2 and a gap between the pre-filter bottle 2 and the filter screen 3 through the arrangement of the sealing component, so that the source water entering the pre-filter bottle 2 can completely enter the filter screen 3 to be filtered to form filtered water, and further, the filtering efficiency can be improved and the filtered water can be prevented from being secondarily polluted; simultaneously, above-mentioned leading filter can avoid causing the connecting segment between a large amount of pollutants such as silt get into leading filter cap 1 and leading filter flask 2 owing to not clear up for a long time, leads to the two to connect the inefficacy to can prevent to lead to the fact leaking because leading filter cap 1 and leading filter flask 2 are connected inseparably through setting up seal assembly.

Of course, according to actual needs, the above-mentioned sealing assembly may be specifically set to two sets of annular sealing rings that can be used for sealing the gap between the pre-filter cap 1 and the pre-filter bottle 2 and the gap between the pre-filter bottle 2 and the filter screen 3, respectively, and the number of any set of sealing rings may be adjusted according to actual sealing needs, and this document does not specifically limit this.

Particularly, the above-mentioned seal assembly can set up to the subassembly including first sealing washer 4 and second sealing washer 5, wherein, first sealing washer 4 is located between the inner wall of leading filter cap 1 and the outer wall of leading filter flask 2, namely the lateral wall of first sealing washer 4 closely laminates with the inner wall of leading filter cap 1, the inside wall of first sealing washer 4 closely laminates with the outer wall of leading filter flask 2, so, can realize preventing the function that source water flows out along the inner wall of leading filter cap 1 through setting up first sealing washer 4, that is to say, can realize leading filter cap 1 and the sealing connection of leading filter flask 2 through setting up first sealing washer 4, thereby can prevent that source water from spilling from the joint gap department of leading filter cap 1 and leading filter flask 2. Of course, according to actual needs, the number of the first sealing rings 4 may also be multiple, and the multiple first sealing rings 4 are sequentially and uniformly distributed along the vertical direction.

The second sealing ring 5 is arranged between the inner wall of the front filter bottle 2 and the outer wall of the filter screen 3, namely, the outer side wall of the second sealing ring 5 is tightly attached to the inner wall of the front filter bottle 2, and the inner side wall of the second sealing ring 5 is tightly attached to the outer wall of the filter screen 3, so that the second sealing ring 5 is arranged between the front filter bottle 2 and the filter screen 3, and can be used for preventing filtered water formed after being filtered by the filter screen 3 from being polluted, namely, if the second sealing ring 5 is not arranged, unfiltered source water can flow into the front filter bottle 2 from a gap between the front filter bottle 2 and the filter screen 3, so that the filtered water formed after being filtered by the filter screen 3 is polluted, and secondary pollution can be caused. Of course, the number of the second sealing rings 5 can also be adjusted according to the actual sealing requirement, and is not limited in particular here.

Further, in order to ensure the connection tightness of the first sealing ring 4, a first mounting groove may be formed in the outer wall of the pre-filter flask 2, and the first mounting groove is formed along the radial direction of the pre-filter flask 2 and is used for fixedly mounting the first sealing ring 4; correspondingly, in order to ensure the sealing property of the connection of the second sealing ring 5, an annular sealing connecting block which is tightly attached to the inner wall of the front filter bottle 2 can be fixedly connected to the outer wall of the filter screen 3, and the annular sealing connecting block is provided with a second mounting groove which is radially arranged and used for fixedly mounting the second sealing ring 5.

In addition, first mounting groove and second mounting groove all can set up to the annular groove, and first mounting groove and first sealing washer 4 one-to-one setting, and second mounting groove and 5 one-to-one settings of second sealing washer. It should be noted that the side wall of the first sealing ring 4 should be tightly attached to the wall of the first mounting groove, and the first sealing ring 4 should protrude from the first mounting groove, so that the sealing performance of the connection between the pre-filter cap 1 and the pre-filter bottle 2 can be ensured when the two are connected; similarly, the side wall of the second sealing ring 5 should be closely attached to the wall of the second mounting groove, and the second sealing ring 5 should protrude from the second mounting groove, so that the sealing performance of the pre-filter flask 2 and the annular sealing connecting block can be ensured when the pre-filter flask contacts with the annular sealing connecting block. On the basis, the user does not worry about the water leakage phenomenon caused by the loose connection of the preposed filter cover 1 and the preposed filter bottle 2. Of course, the first sealing ring 4 and the second sealing ring 5 may be both provided as elastic sealing rings, such as rubber rings, or as other materials having elasticity.

Furthermore, the front filter cover 1 and the front filter flask 2 can be connected by screw-fitting. Specifically, can be equipped with first screw thread at the outer wall of leading filter flask 2 and close the section soon, first screw thread closes the below that the section is located first mounting groove soon, correspondingly, can be equipped with second screw thread and closes the section soon at the inner wall of leading filter lid 1, and second screw thread closes the section soon and is used for closing the section cooperation with first screw thread and is connected.

In order to optimize the embodiment, the pre-filter further comprises a plurality of first limiting bulges arranged inside the pre-filter bottle 2, all the first limiting bulges can be uniformly distributed along the circumferential direction of the bottom of the pre-filter bottle 2, and the first limiting bulges are used for limiting the filter screen 3; in addition, the bottom of filter screen 3 also can correspondingly set up the spacing arch of a plurality of second, and the circumference evenly distributed of filter screen 3 can be followed to the spacing arch of whole second, and the spacing arch of second is used for being connected the function that realizes spacing filter screen 3 with the cooperation of first spacing arch, and first spacing arch and the spacing protruding one-to-one setting of second, and first spacing arch and the spacing arch of second can realize realizing the spacing function to filter screen 3 through the contact counterbalance between the two lateral walls.

Of course, also can have other different setting modes, as long as can satisfy the setting mode that plays limiting displacement to the assembly of filter screen 3 all in the scope of protection of this application, for example, can set up the spacing arch of a plurality of in the bottom of leading filter flask 2, it is corresponding, can set up the spacing groove that sets up with spacing protruding one-to-one in the bottom of filter screen 3, can realize realizing the spacing function to filter screen 3 through the joint of spacing arch and spacing groove like this.

Therefore, the foolproof design is adopted, the problem of the forward and reverse directions of the installation of the filter screen 3 is not needed to be worried after the user regularly cleans the bottle, so that the filter screen 3 can enter the bottle body in only one correct direction, and the connection between the front filter cover 1 and the front filter bottle 2 is realized by screwing the threaded connecting section, so that the filtering or sealing function loss caused by improper installation after the user cleans the bottle can be avoided.

On the basis, the filter screen 3 can be specifically set to be a cylindrical filter screen, so that the cylindrical filter screen can have the filtering surfaces of the side surface and the bottom surface, and the filtering efficiency can be improved. In addition, the upper end of the preposed filter cover 1 is also provided with a water inlet for the source water to enter the preposed filter bottle 2, and the lower end of the preposed filter bottle 2 is provided with a water outlet for the filtered water formed after filtering to flow out. That is to say, source water filters silt that carries, colloid and large granule impurity through built-in filter screen 3, and silt, colloid and large granule impurity etc. can deposit in cylindric filter screen, and the drainage gets into 2 inner walls of leading filter flask, assembles in the delivery port outflow after.

The arrangement mode can avoid the failure of the function of the thread caused by the fact that a large amount of pollutants such as silt enter the thread screwing sections of the pre-filter cover 1 and the pre-filter bottle 2 due to the fact that the pre-filter is not cleaned for a long time; meanwhile, a professional tool is not needed, and the front filter can be dismounted by bare hands.

The utility model provides a water purifying device, which comprises a pre-filter described in the above embodiment; other parts of the water purification device can be referred to the prior art and are not expanded.

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The water purifying device and the pre-filter thereof provided by the utility model are introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (7)

1. A pre-filter, comprising:

the device comprises a front filter flask (2) provided with a filter screen (3), wherein the front filter flask (2) is used for filtering source water entering the front filter flask (2) through the filter screen (3) and forming filtered water to flow out;

the front filter cover (1) is matched and connected with the front filter bottle (2) and is used for supplying source water to the front filter bottle (2);

the sealing assembly is used for completely feeding the source water entering the preposed filter bottle (2) into the filter screen (3);

the filter screen is characterized by also comprising a plurality of first limiting bulges which are arranged inside the front filter flask (2) and used for limiting the filter screen (3); the bottom of filter screen (3) be equipped with a plurality of be used for with first spacing protruding cooperation is connected and is realized spacingly the spacing arch of second of filter screen (3), just first spacing arch with the spacing protruding one-to-one setting of second.

2. The pre-filter of claim 1, wherein the seal assembly comprises:

the first sealing ring (4) is arranged between the inner wall of the front filter cover (1) and the outer wall of the front filter bottle (2), and the first sealing ring (4) is used for preventing source water from flowing out along the inner wall of the front filter cover (1);

locate the inner wall of leading filter flask (2) with second sealing washer (5) between the outer wall of filter screen (3), second sealing washer (5) are used for preventing the warp the filtration water that filter screen (3) filtered back formed is polluted by source water.

3. The prefilter of claim 2 wherein the outer wall of the prefilter bottle (2) is provided with a first mounting groove which is opened along the radial direction thereof and used for fixedly mounting the first sealing ring (4); the outer wall of filter screen (3) go up the rigid coupling be used for with the cyclic annular sealing connecting block of the inseparable laminating of inner wall of leading filter flask (2), cyclic annular sealing connecting block is equipped with along its radially set up, for fixed mounting the second mounting groove of second sealing washer (5).

4. The prefilter of claim 3 wherein said prefilter cap (1) is connected to said prefilter bottle (2) by a screw-fit.

5. The prefilter of claim 4 wherein the outer wall of the prefilter bottle (2) is provided with a first screw thread section below the first mounting groove, and the inner wall of the prefilter cover (1) is provided with a second screw thread section for mating connection with the first screw thread section.

6. Prefilter according to claim 1, wherein said sieve (3) is embodied as a cylindrical sieve.

7. A water purification apparatus, comprising a pre-filter according to any one of claims 1 to 6.

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