CN217895317U - RO carbon melts combination filter core with hinder dirty function - Google Patents

Abstract

The utility model relates to a RO carbon melting combined filter element with scale inhibition function, which comprises a first filter element, a second filter element and a water circuit board, wherein the water outlet of the first filter element is communicated with the water inlet of the second filter element through the water circuit board; the first filter element is provided with a first water stopping structure; the second filter element comprises a second filter bottle and a second filter base, and a second water stopping structure is arranged between the second filter bottle and the second filter base; the second filter core has from top to bottom to be equipped with leading filter core, RO filter core and hinders dirty piece in proper order, and the input that hinders dirty piece is linked together with the primary water filter pipeline, and the output that hinders dirty piece is linked together with the water inlet of filter core, and the primary water filter flows through leading filter core, hinders dirty piece and filter core in proper order. The utility model discloses well first filter core can carry out the prefilter to the running water, and the piece that hinders dirt can be to going out the calcium magnesium ion in the running water, and the second filter core can also carry out secondary filter to the prefilter, can solve traditional water purification unit and be difficult to detach the impurity in the running water completely, and the short problem of life.

Description

RO carbon melts combination filter core with hinder dirty function

Technical Field

The utility model relates to a filter core technical field especially relates to a RO carbon melts combination filter core with hinder dirty function.

Background

At present, the tap water contains more impurities, and the long-term drinking of the tap water with higher impurity content is easy to harm the health of people. Therefore, users generally use a water purifying apparatus having a filter element to filter tap water. The water purifying equipment can only simply filter particle impurities in tap water, is difficult to completely filter impurities in the tap water, and because the tap water contains a large amount of calcium and magnesium ions, the calcium and magnesium ions are easy to scale on the filter element and then block, thereby seriously shortening the service life of the filter element.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a RO carbon melts combination filter core with hinder dirty function, first filter core can carry out the prefilter to the running water, the bottom of second filter core is equipped with hinders dirty piece, hinders dirty piece and can be to going out the calcium magnesium ion in the running water, the second filter core can also carry out the secondary filter to the initial filtration water, further reduce the impurity in the running water, can solve traditional water purification unit and be difficult to detach the impurity in the running water completely, and the problem that life is short.

In order to achieve the above object, the utility model provides a following technical scheme:

a RO carbon melting combined filter element with a scale inhibition function comprises a first filter element, a second filter element and a water circuit board, wherein a water outlet of the first filter element is communicated with a water inlet of the second filter element through the water circuit board;

the first filter element is provided with a raw water inlet and a primary filter water inlet, and is provided with a first water stopping structure which can seal the raw water inlet and is used for filtering raw water and producing primary filter water;

the second filter element comprises a second filter bottle and a second filter base, a primary filter water pipeline, a waste water pipeline and a pure water pipeline are arranged in the second filter bottle, the primary filter water pipeline is used for conveying primary filter water, the waste water pipeline is used for conveying waste water, and the pure water pipeline is used for conveying pure water; a second water stopping structure is arranged between the second filter bottle and the second filter seat and used for sealing the primary water filtering pipeline and the wastewater;

the second filter core has and is equipped with leading filter core, RO filter core and hinders dirty piece from top to bottom in proper order, the input that hinders dirty piece with the initial water filtration pipeline is linked together, the output that hinders dirty piece with the water inlet of filter core is linked together, the initial water filters flows through in proper order leading filter core hinder dirty piece with the filter core.

Optionally, the front filter element is sequentially provided with a first hollow pipe, a second hollow pipe, a third hollow pipe and a spring from outside to inside, and the second water stopping structure comprises a first sealing element and a second sealing element;

the third hollow pipe is fixedly arranged in the center of the second filter flask, the second hollow pipe is sleeved on the third hollow pipe, the bottom of the second hollow pipe is fixedly connected with the inside of the second filter flask, the first hollow pipe is sleeved on the top of the second hollow pipe in a sliding manner, and the first hollow pipe is connected with the second hollow pipe through a spring;

a primary water filtering pipeline is formed in a gap between the first hollow pipe and the second filter flask; a pure water pipeline is formed inside the third hollow pipeline; a gap between the first hollow pipe and the third hollow pipe forms an upper half part of a waste water pipeline, and a gap between the second hollow pipe and the third hollow pipe forms a lower half part of the waste water pipeline;

the first hollow pipe is provided with the first sealing element, the second sealing element is arranged between the third hollow pipe and the first hollow pipe, the first sealing element is used for sealing the primary filtered water pipeline, the second sealing element is used for sealing the wastewater pipeline, and the top of the third hollow pipe is provided with a spring water stop valve;

when the spring is used for jacking the first hollow pipe, the first sealing element is abutted against the inside of the second filter flask.

Optionally, a first inclined surface which inclines outwards is arranged inside the second filter flask, the first hollow pipe is annularly provided with the first sealing element, and the first sealing element is provided with a boss;

a second sealing element is fixedly sleeved at the top of the third hollow pipe, and a second inclined plane which inclines inwards is arranged at the top of the first hollow pipe;

when the spring jacks up the first hollow pipe, the bulge is abutted against the first inclined surface, and the second inclined surface is abutted against the second sealing element.

Optionally, the second hollow tube comprises an inner tube part, a connecting part and an outer tube part from top to bottom in sequence;

the outer side wall of the inner pipe part is connected with the inner wall of the first hollow pipe in a sliding mode, the outer side of the outer pipe part is abutted to the inner wall of the second filter flask, the connecting part is horizontally connected with the top of the outer pipe part and the bottom of the inner pipe part, and the third sealing element is arranged on the outer side wall of the inner pipe part in a surrounding mode;

the bottom of the first hollow pipe is provided with a guide part, the guide part is sleeved with the spring in a sliding mode, one end of the spring is fixedly connected with the connecting part, the other end of the spring is fixedly connected with the bottom of the first hollow pipe, and the inner wall of the guide part is abutted to the third sealing element.

Optionally, the second hollow tube comprises an inner tube part, a connecting part and an outer tube part from top to bottom in sequence;

the outer side wall of the inner pipe part is connected with the inner wall of the first hollow pipe in a sliding mode, the outer side of the outer pipe part is abutted to the inner wall of the second filter flask, the connecting part is horizontally connected with the top of the outer pipe part and the bottom of the inner pipe part, and the third sealing element is arranged on the outer side wall of the inner pipe part in a surrounding mode;

the bottom of the first hollow pipe is provided with a guide part, the guide part is sleeved with the spring in a sliding mode, one end of the spring is fixedly connected with the connecting part, the other end of the spring is fixedly connected with the bottom of the first hollow pipe, and the inner wall of the guide part is abutted to the third sealing element.

Optionally, the scale inhibition component includes a top plate portion and a spiral pipeline, the top plate portion abuts against the bottom surface of the RO filter element, the spiral pipeline is located at the bottom of the top plate portion, an opening of the spiral pipeline faces downward, an input end of the spiral pipeline is communicated with the primary water filtration pipeline, an output end of the spiral pipeline is a drain hole, the drain hole vertically penetrates through the top plate portion, and the drain hole is communicated with a water inlet of the RO filter element;

the scale inhibitor is arranged in the spiral pipeline, the drain hole is positioned in the center of the top plate part, and the drain holes are annularly arranged.

Optionally, a vertical water outlet pipeline and a filter element water outlet are arranged inside the RO filter element, the filter element water outlet is communicated with the water outlet pipeline, the water outlet pipeline is communicated with the pure water pipeline, and the filter element water outlet is used for allowing pure water to flow into the water outlet pipeline;

and the wastewater outlet end at the top of the RO filter element is communicated with the wastewater pipeline.

Optionally, the first water stopping structure includes a mounting member and a clamping member, the mounting member is fixedly mounted on the top of the first filtering bottle, and the clamping member is mounted at the bottom of the second filtering seat;

the centers of the mounting piece and the clamping piece are both provided with an initial water outlet which is communicated with the pure water pipeline, one side of the mounting piece is provided with a first raw water inlet, one side of the clamping piece is provided with a second raw water inlet, one side of the mounting piece, which is far away from the first raw water inlet, is provided with a limiting block, one side of the clamping piece, which is far away from the second raw water inlet, is provided with a limiting groove, and the limiting groove is in sliding connection with the limiting block;

the clamping piece is rotated, the limiting groove is rotationally connected with the limiting block, and when the limiting block is positioned at the end part of the limiting groove, the first raw water inlet and the second raw water inlet are overlapped;

the clamping piece rotates in the opposite direction, the limiting block is located at the other end of the limiting groove, and the first raw water inlet and the second raw water inlet are staggered.

Optionally, the second raw water inlet is provided with a fifth sealing element, and the fifth sealing element is used for sealing the mounting piece and the clamping piece.

Compared with the prior art, the embodiment of the utility model has following beneficial effect:

1. be equipped with first stagnant water structure in this scheme, first stagnant water structure can be to the raw water import, can control the inflow of raw water. The second water stopping structure can control the opening and closing of the primary water filtering pipeline and the waste water pipeline, and reduce unnecessary water flow flowing out of the first filter element and the second filter element;

2. the first filter core can carry out prefilter to the running water, and the bottom of second filter core is equipped with and hinders dirty piece, and the calcium magnesium ion that hinders dirty piece can go out the running water in, and the second filter core can also carry out secondary filter to the prefilter, further reduces the impurity in the running water, can solve traditional water purification unit and be difficult to detach the impurity in the running water completely, and the short problem of life.

Drawings

Fig. 1 is a schematic view of an RO carbon melt combined filter element with a scale inhibition function according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a second filter element in an RO carbon melt combined filter element with a scale inhibition function according to an embodiment of the present invention;

fig. 3 is a schematic view of a pre-filter element in an RO carbon melt combined filter element with a scale inhibition function according to an embodiment of the present invention;

fig. 4 is a schematic view of a scale inhibition member in an RO carbon melt combined filter element with a scale inhibition function according to an embodiment of the present invention;

fig. 5 is a cross-sectional view of a first filter element in an RO carbon melt combined filter element with a scale inhibition function according to an embodiment of the present invention;

fig. 6 is a schematic view of an installation member in an RO carbon melt combined filter element with a scale inhibition function according to an embodiment of the present invention;

fig. 7 is a schematic view of a fastening member in an RO carbon melt combined filter element with a scale inhibition function according to an embodiment of the present invention;

the filter comprises 1, a first filter element; 11. a first filter flask; 12. a first filter base; 13. a first water stop structure; 130. An outlet of the initial filtered water; 131. a mounting member; 1310. a first raw water inlet; 1311. a limiting block; 132. a clamping piece; 1320. a second raw water inlet; 1321. a limiting groove; 2. a second filter element; 21. a second filter flask; 210. A first inclined surface; 22. a second filter base; 221. a limiting part; 222. an abutting portion; 23. a second water stop structure; 231. a first seal member; 2310. a boss portion; 232. a second seal member; 233. a third seal member; 234. A fourth seal member; 235. a fifth seal member; 24. a front filter element; 241. a first hollow tube; 2410. a second inclined surface; 2411. a guide portion; 242. a second hollow tube; 2421. an inner tube portion; 2422. a connecting portion; 2423. An outer tube portion; 243. a third hollow tube; 2431. a spring water stop valve; 244. a spring; 25. an RO filter element; 251. a water outlet pipeline; 252. a water outlet of the filter element; 26. a scale inhibition member; 261. a top plate portion; 262. a helical conduit; 263. a drain hole; 3. a water circuit board; 4. a primary water filtering pipeline; 5. a waste water conduit; 6. pure water pipeline.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial.

In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The following describes an RO carbon melt combined filter element with a scale inhibition function according to an embodiment of the present invention with reference to fig. 1 to 7.

An RO carbon melt combined filter element with a scale inhibition function comprises a first filter element 1, a second filter element 2 and a water channel plate 3, wherein a filter element water outlet 252 of the first filter element 1 is communicated with a water inlet of the second filter element 2 through the water channel plate 3; first filter core 1 is equipped with raw water import and primary filter mouth of a river, and first filter core 1 is equipped with first stagnant water structure 13, first stagnant water structure 13 can be sealed raw water import, first filter core 1 is used for filtering raw water and produces the primary filter.

The second filter element 2 comprises a second filter bottle 21 and a second filter base 22, a primary filter water pipeline 4, a waste water pipeline 5 and a pure water pipeline 6 are arranged in the second filter bottle 21, the primary filter water pipeline 4 is used for conveying primary filter water, the waste water pipeline 5 is used for conveying waste water, and the pure water pipeline 6 is used for conveying pure water; a second water stopping structure 23 is arranged between the second filter bottle 21 and the second filter seat 22, and the second water stopping structure 23 is used for sealing the primary filter water pipeline 4 and the wastewater.

Second filter core 2 has from the top down to be equipped with leading filter core 24, RO filter core 25 and hinders dirty piece 26 in proper order, the input that hinders dirty piece 26 with primary filter water pipeline 4 is linked together, the output that hinders dirty piece 26 with the water inlet of RO filter core 25 is linked together, the primary filter water flows through in proper order leading filter core 24 hinder dirty piece 26 with RO filter core 25.

The RO carbon melt combined filter element with the scale inhibition function prepared by the scheme has the following working process that raw water flows into the first filter element 1 from the raw water inlet, and the first filter element 1 can preliminarily filter the raw water to obtain primary filtered water. The primary filter water flows through the primary filter water inlet, the water path plate 3 and the preposed filter element 24 in sequence. The water circuit board 3 is used for connecting the first filter element 1 and the second filter element 2, so that the pipeline layout in the water purifying equipment is simplified; the pre-filter element 24 is internally provided with a primary filter water pipeline 4 which can provide a flow path for the flow of primary filter water.

The primary filter water enters the RO filter core 25 through the scale inhibition part 26, and the scale inhibition part 26 can inhibit scale of the primary filter water, so that calcium and magnesium ions in the primary filter water can be effectively reduced, the scaling condition of the calcium and magnesium ions on the RO filter core 25 is reduced, and the service life of the RO filter core 25 is effectively prolonged.

It is worth to explain that, be equipped with first stagnant water structure 13 in this scheme, first stagnant water structure 13 can be to the raw water import, can control the inflow of raw water. Second stagnant water structure 23 can control the switch of primary filter pipeline 4 and waste pipe 5, reduces the first filter core 1 of unnecessary rivers outflow and second filter core 2.

In this embodiment, first filter core 1 can carry out prefiltration to the running water, and the bottom of second filter core 2 is equipped with dirt blocking member 26, and dirt blocking member 26 can be to going out the calcium magnesium ion in the running water, and second filter core 2 can also carry out secondary filter to the prefiltration water, further reduces the impurity in the running water, can solve traditional water purification unit and be difficult to detach the impurity in the running water completely, and the short problem of life.

The front filter element 24 is sequentially provided with a first hollow pipe 241, a second hollow pipe 242, a third hollow pipe 243 and a spring 244 from outside to inside, and the second water stopping structure 23 comprises a first sealing element 231 and a second sealing element 232; the third hollow pipe 243 is fixedly installed at the center of the second filter flask 21, the second hollow pipe 242 is sleeved on the third hollow pipe 243, the bottom of the second hollow pipe 242 is fixedly connected with the inside of the second filter flask 21, the first hollow pipe 241 is slidably sleeved on the top of the second hollow pipe 242, and the first hollow pipe 241 is connected with the second hollow pipe 242 through a spring 244.

A gap between the first hollow pipe 241 and the second filter flask 21 forms an initial filter water pipeline 4; the inside of the third hollow pipe 243 forms a pure water pipeline 6; the gap between the first hollow pipe 241 and the third hollow pipe 243 forms an upper half portion of the waste water pipe 5, and the gap between the second hollow pipe 242 and the third hollow pipe 243 forms a lower half portion of the waste water pipe 5.

The first hollow pipe 241 is provided with the first sealing element 231, the second sealing element 232 is arranged between the third hollow pipe 243 and the first hollow pipe 241, the first sealing element 231 is used for sealing the primary filtered water pipeline 4, the second sealing element 232 is used for sealing the waste water pipeline 5, and the top of the third hollow pipe 243 is provided with a spring water stop valve 2431; the spring 244 is used to jack up the first hollow tube 241, and the first sealing element 231 abuts against the inside of the second filter flask 21.

It should be noted that the top of the second filter base 22 is provided with a primary filter water inlet, a waste water outlet and a pure water outlet, the primary filter water inlet is communicated with the primary filter water pipeline 4, the waste water outlet is communicated with the waste water pipeline 5, the pure water outlet is communicated with the pure water pipeline 6, the primary filter water pipeline 4 is used for raw water flowing, the waste water pipeline 5 is used for waste water flowing, and the pure water pipeline 6 is used for pure water flowing.

When the second filter element 2 is in operation, the spring 244 is constantly pressed by the second filter seat 22, the spring water stop valve 2431 is also pressed by the filter seat, so that the spring 244 is difficult to jack the first hollow tube 241 upwards, at the moment, the first inclined surface 210 is separated from the first sealing element 231, the second inclined surface 2410 is separated from the second sealing element 232, the primary filter water pipeline 4 is communicated with the primary filter water inlet, so that the primary filter water pipeline 4 continuously conveys primary filter water to the filter element, the wastewater pipeline 5 can discharge wastewater outwards, and the pure water pipeline 6 discharges pure water outwards. It should be noted that the water cannot be communicated between the primary filter water line 4 and the waste water line 5, between the primary filter water line 4 and the purified water line 6, and between the waste water line 5 and the purified water line 6.

When needs are changed or dismouting second filter core 2, spring 244 is in normal condition, can say for first hollow tube 241 and provide the effort of jack-up that makes progress for first sealing member 231 can seal initial filter water pipeline 4, and second sealing member 232 can seal waste water pipe 5, thereby can ensure that second filter core 2 is at the non-operation in-process, closes initial filter water pipeline 4 and waste water pipe 5, thereby reduces the condition that unnecessary rivers overflowed. In addition, the spring water stop valve 2431 can seal the pure water pipeline 6 and block water from the pure water pipeline 6 in a normal state.

The utility model discloses when dismantling second filter core 2, can seal primary filter pipeline 4, waste water pipeline 5 and pure water pipeline 6 to effectively reduce rivers and spill over, when having solved traditional renew cartridge, the problem that a large amount of rivers outwards spill over.

The inside of the second filter flask 21 is provided with a first inclined surface 210 which inclines outwards, the first hollow pipe 241 is provided with the first sealing element 231 in a surrounding manner, and the first sealing element 231 is provided with a protruding part 2310; the top of the third hollow pipe 243 is fixedly sleeved with a second sealing element 232, and the top of the first hollow pipe 241 is provided with a second inclined surface 2410 which is inclined inwards; when the spring 244 pushes up the first hollow tube 241, the protrusion 2310 abuts against the first inclined surface 210, and the second inclined surface 2410 abuts against the second sealing element 232.

In this embodiment, the spring 244 always has a force to push the first hollow tube 241 upwards, so that the first sealing member 231 on the first hollow tube 241 is abutted against the first inclined surface 210, and in order to better close the water inlet pipe, a protrusion 2310 is provided on the first sealing member 231, and the protrusion 2310 can further fill the gap between the first sealing member 231 and the first inclined surface 210, thereby closing the water inlet pipe. Meanwhile, the second inclined surface 2410 abuts against the second sealing member 232, and at this time, the second sealing member 232 may close the waste water pipe 5, so that waste water is difficult to be discharged.

The second hollow pipe 242 comprises an inner pipe part 2421, a connecting part 2422 and an outer pipe part 2423 from top to bottom in sequence; the outer side wall of the inner pipe part 2421 is connected with the inner wall of the first hollow pipe 241 in a sliding mode, the outer side of the outer pipe part 2423 is abutted against the inner wall of the second filter flask 21, the connecting part 2422 is horizontally connected with the top of the outer pipe part 2423 and the bottom of the inner pipe part 2421, and the third sealing element 233 is arranged on the outer side wall of the inner pipe part 2421 in a surrounding mode.

The bottom of the first hollow tube 241 is provided with a guide portion 2411, the spring 244 is slidably sleeved on the guide portion 2411, one end of the spring 244 is fixedly connected with the connecting portion 2422, the other end of the spring 244 is fixedly connected with the bottom of the first hollow tube 241, and the inner wall of the guide portion 2411 is abutted to the third sealing member 233.

The gap between the first hollow pipe 241 and the second filter flask 21 forms a primary filter water pipe 4, and the gap between the second hollow pipe 242 and the third hollow pipe 243 forms a waste water pipe 5, so that a gap exists between the first hollow pipe 241 and the second hollow pipe 242 due to the sliding connection of the first hollow pipe 241 and the second hollow pipe 242, and the raw water and the waste water may flow in the gap and then be mixed together. In order to avoid the situation that raw water and waste water are mixed with each other, the third sealing element 233 is arranged on the outer side of the inner pipe part 2421, the third sealing element 233 abuts against the inside of the first hollow pipe 241, so that the third sealing element 233 can fill the gap between the inner pipe part 2421 and the first hollow pipe 241, and the primary filter water pipeline 4 and the waste water pipeline 5 are isolated.

The first hollow pipe 241 is slidably connected to the inner pipe part 2421, when the spring 244 pushes up the first hollow pipe 241, the inner side wall of the first hollow pipe 241 is separated from the third sealing member 233, and at this time, the primary filter water pipe 4 and the waste water pipe 5 are connected, so that the waste water and the raw water are mixed with each other. Therefore, the guide part 2411 is arranged at the bottom of the first hollow pipe 241, and the guide part 2411 is abutted to the third sealing element 233 at the moment, so that the primary filter water pipeline 4 and the waste water pipeline 5 can be isolated, and the condition that raw water and waste water are mixed with each other is avoided.

A fourth sealing element 234 is fixedly sleeved on the outer side of the first hollow pipe 241; the bottom of the second filter seat 22 is provided with a limiting part 221 and an abutting part 222, the limiting part 221 abuts against the fourth sealing element 234, the limiting part 221 and the second filter seat 22 form an initial filter water pipeline 4, and a gap between the limiting part 221 and the third hollow pipe 243 forms a wastewater pipeline 5.

The abutting part 222 is located on the inner side of the limiting part 221, the wastewater pipeline is located between the abutting part 222 and the limiting part 221, a wastewater outlet is arranged at the top of the second filter base 22, and the wastewater outlet is communicated with the wastewater pipeline 5.

The end of the abutting part 222 abuts against the top of the first hollow pipe 241, and a plurality of water through holes are uniformly formed in the bottom of the abutting part 222 and are used for communicating the wastewater pipeline 5; when the second filter holder 22 is rotated, the abutting portion 222 presses the first hollow tube 241 downward, the first sealing member 231 is separated from the second filter bottle 21, and the second sealing member 232 is separated from the second inclined surface 2410.

Since the waste water outlet of the second filter base 22 needs to be communicated with the waste water pipeline 5, the primary filter water inlet needs to be communicated with the primary filter water pipeline 4. In order to reduce the condition that wastewater pipeline 5 and initial water filter pipeline 4 communicate each other at second filter seat 22, this scheme is equipped with spacing portion 221 in the bottom of second filter seat 22, spacing portion 221 time instant and fourth sealing member 234 looks butt for clearance between spacing portion 221 and the third hollow tube 243 forms the waste water export, spacing portion 221 and the clearance of straining between the seat form the initial water import, thereby reduce the condition that waste water and initial water filter appear mixing.

At all times, the spring 244 has a biasing force to push up the first hollow tube 241 so that the second inclined surface 2410 of the first hollow tube 241 is brought into contact with the second sealing member 232 at all times and the first sealing member 231 is brought into contact with the first inclined surface 210 of the second filter flask 21 at all times, whereby the wastewater is hardly discharged from the deionized water pipe 6 and the initial filter water is hardly introduced into the filter element from the initial filter water pipe 4 to be filtered.

In this embodiment, the bottom of the second filter base 22 is further provided with an abutting part 222. The second filter holder 22 is rotated so that the abutting portion 222 can press the first hollow tube 241 downwards, so that the first inclined surface 210 is separated from the first sealing element 231 and the second inclined surface 2410 is separated from the second sealing element 232. At this time, the bottom of the abutting portion 222 abuts against the top of the first hollow tube 241, and the side wall of the abutting portion 222 abuts against the second sealing member 232, and since the plurality of water passage holes are uniformly formed in the bottom of the abutting portion 222, the waste water pipe 5 is formed in the gap between the abutting portion 222 and the stopper portion 221, so that waste water can flow into the second filter holder 22 through the water passage holes and then be discharged to the outside of the second filter bottle 21.

The second filter seat 22 is rotated in the opposite direction, so that the abutting portion 222 moves upward and no longer presses against the first hollow tube 241, at this time, the spring 244 provides an upward moving force for the first hollow tube 241, so that the first sealing element 231 on the first hollow tube 241 abuts against the first inclined surface 210, and the second inclined surface 2410 abuts against the second sealing element 232, thereby sealing the primary filtered water pipe 4 and the waste water pipe 5.

The scale inhibition member 26 comprises a top plate portion 261 and a spiral pipe 262, the top plate portion 261 is abutted against the bottom surface of the RO filter element 25, the spiral pipe 262 is located at the bottom of the top plate portion 261, the opening of the spiral pipe 262 faces downward, the input end of the spiral pipe 262 is communicated with the primary filtered water pipe 4, the output end of the spiral pipe 262 is a drain hole 263, the drain hole 263 vertically penetrates through the top plate portion 261, and the drain hole 263 is communicated with the water inlet of the RO filter element 25; the spiral pipe 262 is provided with a scale inhibitor therein, the drain hole 263 is located at the center of the top plate portion 261, the plurality of drain holes 263 are provided, and the plurality of drain holes 263 are annularly arranged.

It should be noted that, the scale inhibition member 26 in this scheme includes the spiral pipeline 262 and the roof 261, and the roof 261 can separate the water inlet of the primary filtered water pipeline 4 and the RO filter element 25, reduces the condition that the primary filtered water does not flow through the scale inhibition member 26 and appears. The spiral pipe 262 not only can effectively prolong the flow path of the primary filtered water, but also can increase the content of the scale inhibitor, so that the primary filtered water can be fully contacted with the scale inhibitor, calcium and magnesium ions in the primary filtered water are removed, the descaling effect of the scheme is improved, and the condition that the RO filter element 25 is blocked by the calcium and magnesium ions is reduced.

In this example, the scale inhibitor is a common commercial product. The scale inhibitor adopts a dendritic polymer technology, does not contain phosphorus, and the dendritic spherical structure not only improves the effect of containing the dirt and inhibiting the scale, but also overcomes the defect of self-winding and self-adhesion, thereby improving the scale inhibition capability in the scheme.

This scheme sets up the wash port 263 of helical piping 262 in the center of roof portion 261, because the input of helical piping 262 is located the outside for helical piping 262 is the screw thread form, thereby has prolonged the flow path of initial filtration water, further improves the antisludging effect of antisludging member 26 in this scheme, reduces the calcium magnesium ion and amasss on the RO filter core 25, causes the condition appearance of jam.

In this embodiment, a plurality of drainage holes 263 are provided, wherein the plurality of drainage holes 263 are annularly arranged, and the primary filtered water can flow into the RO filter element 25 through the drainage holes 263, so that the RO filter element 25 can filter the primary filtered water. It should be noted that, the diameter of the scale inhibition member 26 in this embodiment is limited, and the present embodiment is provided with a plurality of drain holes 263, so that the aperture between the drain holes 263 is small, and then the large particle impurities in the primary filtered water can be reduced to flow into the RO filter element 25, thereby further improving the scale inhibition effect of the scale inhibition member 26.

A vertical water outlet pipeline 251 and a filter element water outlet 252 are arranged inside the RO filter element 25, the filter element water outlet 252 is communicated with the water outlet pipeline 251, the water outlet pipeline 251 is communicated with the pure water pipeline 6, and the filter element water outlet 252 is used for supplying pure water to the water outlet pipeline 251; and the wastewater outlet end at the top of the RO filter element 25 is communicated with the wastewater pipeline 5.

The RO filter element 25 filters the raw water, the filtered pure water can flow into the water outlet pipeline 251 through the filter element water outlet 252, and the water outlet pipeline 251 is communicated with the pure water pipeline 6, so that the pure water filtered by the RO filter element 25 is separated from the waste water produced by the RO filter element 25, and the situation that the pure water and the waste water are mixed is reduced.

Wherein, the waste water which can not be filtered by the RO filter element 25 can not be discharged into the outlet pipe 251 through the filter element outlet 252, and can only be discharged out of the RO filter element 25 from the waste water outlet end at the top of the RO filter element 25. Since the top of the RO cartridge 25 is communicated with the wastewater line 5, wastewater can be discharged to the outside through the wastewater line 5, thereby reducing the occurrence of mixing of wastewater and raw water.

The first water stopping structure 13 comprises a mounting piece 131 and a clamping piece 132, the mounting piece 131 is fixedly mounted on the top of the first filtering bottle 11, and the clamping piece 132 is mounted on the bottom of the second filtering seat 22;

the mounting part 131 and the clamping part 132 are respectively provided with a primary filter outlet 130 at the center, the primary filter outlet 130 is communicated with the pure water pipeline 6, one side of the mounting part 131 is provided with a first raw water inlet 1310, one side of the clamping part 132 is provided with a second raw water inlet 1320, one side of the mounting part 131 far away from the first raw water inlet 1310 is provided with a limiting block 1311, one side of the clamping part 132 far away from the second raw water inlet 1320 is provided with a limiting groove 1321, and the limiting groove 1321 is in sliding connection with the limiting block 1311.

When the clamping member 132 is rotated, the limiting groove 1321 is rotatably connected with the limiting block 1311, and the limiting block 1311 is located at the end of the limiting groove 1321, the first raw water inlet 1310 overlaps with the second raw water inlet 1320; the locking member 132 is rotated in a reverse direction, the stopper 1311 is located at the other end of the stopper 1321, and the first raw water inlet 1310 and the second raw water inlet 1320 are staggered.

When installing first filter core 1, the top of first filter flask 11 is equipped with installed part 131, and the bottom of first filter seat 12 is equipped with joint 132. With installed part 131 and joint spare 132 looks joint, because be equipped with stopper 1311 on the installed part 131, be equipped with spacing groove 1321 on the joint spare 132, consequently stopper 1311 and spacing groove 1321 can carry out preliminary location to joint spare 132.

The clamping member 132 is rotated, the limiting groove 1321 and the limiting block 1311 slide relatively, when the limiting block 1311 is located at one end of the limiting groove 1321, the first raw water inlet 1310 and the second raw water inlet 1320 on the mounting member 131 are overlapped, and at this time, raw water can flow into the first filter element 1 through the first raw water inlet 1310 and the second raw water inlet 1320.

The clamping member 132 is rotated in the opposite direction until the stopper 1311 is located at the other end of the stopper 1321, and at this time, the first raw water inlet 1310 and the second raw water inlet 1320 of the mounting member 131 are staggered from each other, so that raw water cannot flow into the first filter element 1 from the first raw water inlet 1310 and the second raw water inlet 1320.

The second raw water inlet 1320 is provided with a fifth sealing member 235, and the fifth sealing member 235 is used for sealing the mounting member 131 and the clamping member 132.

When the first raw water inlet 1310 and the second raw water inlet 1320 are staggered with respect to each other, the raw water flows into the gap between the mounting member 131 and the clamping member 132 from the second raw water inlet 1320, and the raw water flows again through the gap between the mounting member 131 and the clamping member 132, and may flow into the first raw water inlet 1310 and then into the first filter element 1, thereby losing the function of controlling the opening and closing of the raw water inlet.

Therefore, the fifth sealing element 235 is arranged on the second raw water inlet, the fifth sealing element 235 is annularly arranged on the outer side of the second raw water inlet 1320, and the gap between the mounting part 131 and the clamping part 132 can be filled in the fifth sealing element 235. When the first raw water inlet 1310 and the second raw water inlet 1320 are staggered from each other, a situation occurs in which the raw water cannot flow in the gap between the mounting member 131 and the catching member 132 and then flows to the first raw water inlet 1310.

Other configurations and operations of the RO carbon melt combination filter cartridge with scale inhibition according to the embodiment of the present invention are known to those skilled in the art, and will not be described in detail herein.

In the description herein, references to the description of the terms "embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (9)

1. The RO carbon melting combined filter element with the scale inhibition function is characterized by comprising a first filter element, a second filter element and a water circuit board, wherein a water outlet of the first filter element is communicated with a water inlet of the second filter element through the water circuit board;

the first filter element is provided with a raw water inlet and a primary filter water inlet, and is provided with a first water stopping structure, the first water stopping structure is used for sealing the raw water inlet, and the first filter element is used for filtering raw water and producing primary filter water;

the second filter element comprises a second filter bottle and a second filter seat, a primary filter water pipeline, a waste water pipeline and a pure water pipeline are arranged in the second filter bottle, the primary filter water pipeline is used for conveying primary filter water, the waste water pipeline is used for conveying waste water, and the pure water pipeline is used for conveying pure water; a second water stopping structure is arranged between the second filter bottle and the second filter base and used for sealing the primary filter water pipeline and the wastewater;

the second filter core has the top down to be equipped with leading filter core, RO filter core and hinders dirty piece in proper order, the input that hinders dirty piece with the primary water filtration pipeline is linked together, the output that hinders dirty piece with the water inlet of filter core is linked together, the primary water filters flows through in proper order leading filter core prevent dirty piece with the filter core.

2. An RO carbon melt combined filter element with a scale inhibition function as claimed in claim 1, wherein the preposed filter element is provided with a first hollow pipe, a second hollow pipe, a third hollow pipe and a spring from outside to inside in sequence, and the second water stop structure comprises a first sealing element and a second sealing element;

the third hollow pipe is fixedly arranged in the center of the second filter flask, the second hollow pipe is sleeved on the third hollow pipe, the bottom of the second hollow pipe is fixedly connected with the inside of the second filter flask, the first hollow pipe is slidably sleeved on the top of the second hollow pipe, and the first hollow pipe is connected with the second hollow pipe through a spring;

a primary water filtering pipeline is formed in a gap between the first hollow pipe and the second filter flask; a pure water pipeline is formed inside the third hollow pipeline; a gap between the first hollow pipe and the third hollow pipe forms an upper half part of a waste water pipeline, and a gap between the second hollow pipe and the third hollow pipe forms a lower half part of the waste water pipeline;

the first hollow pipe is provided with the first sealing element, the second sealing element is arranged between the third hollow pipe and the first hollow pipe, the first sealing element is used for sealing the primary filtered water pipeline, the second sealing element is used for sealing the wastewater pipeline, and the top of the third hollow pipe is provided with a spring water stop valve;

when the spring is used for jacking the first hollow pipe, the first sealing element is abutted against the inside of the second filter flask.

3. An RO carbon melt combined filter element with a scale inhibition function as claimed in claim 2, wherein the inside of the second filter flask is provided with a first inclined surface which inclines outwards, the first hollow tube is provided with the first sealing member in a ring manner, and the first sealing member is provided with a bulge;

a second sealing element is fixedly sleeved at the top of the third hollow pipe, and a second inclined surface which is inclined inwards is arranged at the top of the first hollow pipe;

when the spring jacks up the first hollow pipe, the bulge is abutted against the first inclined surface, and the second inclined surface is abutted against the second sealing element.

4. The RO carbon melt combined filter element with the scale inhibition function of claim 3, wherein the second hollow pipe comprises an inner pipe part, a connecting part and an outer pipe part from top to bottom in sequence;

the outer side wall of the inner pipe part is connected with the inner wall of the first hollow pipe in a sliding mode, the outer side of the outer pipe part is abutted to the inner wall of the second filter flask, the connecting part is horizontally connected with the top of the outer pipe part and the bottom of the inner pipe part, and a third sealing element is arranged on the outer side wall of the inner pipe part in a surrounding mode;

the bottom of the first hollow pipe is provided with a guide part, the spring is sleeved on the guide part in a sliding mode, one end of the spring is fixedly connected with the connecting part, the other end of the spring is fixedly connected with the bottom of the first hollow pipe, and the inner wall of the guide part is abutted to the third sealing element.

5. The RO carbon melt combined filter element with the scale inhibition function of claim 4, wherein a fourth sealing element is fixedly sleeved on the outer side of the first hollow pipe;

the bottom of the second filtering seat is provided with a limiting part and a butting part, the limiting part is butted with the fourth sealing element, the limiting part and the second filtering seat form an initial filtering water pipeline, and a gap between the limiting part and the third hollow pipe forms a wastewater pipeline;

the abutting part is positioned on the inner side of the limiting part, the waste water pipeline is arranged between the abutting part and the limiting part, a waste water outlet is formed in the top of the second filter seat, and the waste water outlet is communicated with the waste water pipeline;

the end part of the abutting part abuts against the top of the first hollow pipe, a plurality of water through holes are uniformly formed in the bottom of the abutting part, and the water through holes are used for communicating the waste water pipeline;

and rotating the second filter seat, wherein the abutting part downwards abuts against the first hollow pipe, the first sealing element is separated from the second filter flask, and the second sealing element is separated from the second inclined plane.

6. The RO carbon melt combined filter element with the scale inhibition function according to claim 5, wherein the scale inhibition member comprises a top plate part and a spiral pipeline, the top plate part is abutted against the bottom surface of the RO filter element, the spiral pipeline is positioned at the bottom of the top plate part, the opening of the spiral pipeline faces downwards, the input end of the spiral pipeline is communicated with the primary filter pipeline, the output end of the spiral pipeline is a drain hole, the drain hole vertically penetrates through the top plate part, and the drain hole is communicated with the water inlet of the RO filter element;

the scale inhibitor is arranged in the spiral pipeline, the drain hole is positioned in the center of the top plate part, and the drain holes are annularly arranged.

7. The RO carbon melt combined filter element with the scale inhibition function of claim 6, wherein a vertical water outlet pipeline and a filter element water outlet are arranged inside the RO filter element, the filter element water outlet is communicated with the water outlet pipeline, the water outlet pipeline is communicated with the pure water pipeline, and the filter element water outlet is used for allowing pure water to flow into the water outlet pipeline;

and the wastewater outlet end at the top of the RO filter element is communicated with the wastewater pipeline.

8. The RO carbon melt combined filter element with the scale inhibition function of claim 7, wherein the first water stop structure comprises an installation piece and a clamping piece, the installation piece is fixedly installed at the top of the first filter bottle, and the clamping piece is installed at the bottom of the second filter base;

the centers of the mounting piece and the clamping piece are both provided with an initial water outlet which is communicated with the pure water pipeline, one side of the mounting piece is provided with a first raw water inlet, one side of the clamping piece is provided with a second raw water inlet, one side of the mounting piece, which is far away from the first raw water inlet, is provided with a limiting block, one side of the clamping piece, which is far away from the second raw water inlet, is provided with a limiting groove, and the limiting groove is in sliding connection with the limiting block;

the clamping piece is rotated, the limiting groove is rotationally connected with the limiting block, and when the limiting block is positioned at the end part of the limiting groove, the first raw water inlet and the second raw water inlet are overlapped;

the clamping piece rotates in the opposite direction, the limiting block is located at the other end of the limiting groove, and the first raw water inlet and the second raw water inlet are staggered.

9. An RO carbon melt combination filter element with a scale inhibition function as claimed in claim 8, wherein the second raw water inlet is provided with a fifth sealing member for sealing the mounting member and the clamping member.

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