Filter element device and water purification equipment

Abstract

The utility model discloses a filter element device and water purification equipment, the filter element device comprises a first filter bottle, a second filter bottle, a first filter element, a second filter bottle, a second filter bottle, a first filter element and a second filter element, the second filter bottle is detachably arranged in the mounting cavity, and a second filter element and a built-in water channel are arranged in the second filter bottle; a third filter element is arranged in the third filter bottle, and the third filter bottle is detachably connected with the second filter bottle, so that the water channel where the third filter element is located is communicated with the built-in water channel. According to the scheme, different levels of filter elements can be independently replaced, and the element replacement cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter technology field especially relates to a filter element device and water purification equipment. BACKGROUND

[0002] A kind of composite filter element device currently, two-stage or multistage filter element is arranged in filter bottle, each stage filter element is separated by partition, water hole is provided on partition, to form internal waterway.Due to the life of different levels filter element, usually according to the life of short one-stage filter element matching other stage filter element.When the life of short filter element expires or the filter element of certain level is blocked, the whole composite filter element device needs to be discarded, causing resource waste, and increasing the cost of replacing core.

[0003] The above information disclosed in the background is only used to increase the understanding of the background of the present application, and therefore, it can include prior art known by those skilled in the art. SUMMARY

[0004] To solve the problems pointed out in the background, the utility model provides a filter element device and water purification equipment, different levels filter element can be replaced individually, reduce the cost of replacing core.

[0005] To achieve the above utility model purposes, the utility model adopts the following technical solutions:

[0006] In some embodiments of the present application, a filter element device is provided, comprising:

[0007] A first filter bottle is provided with a first filter element inside, and a mounting cavity is further provided in the first filter bottle;

[0008] A second filter bottle is detachably arranged in the mounting cavity, and a second filter element and an internal waterway are arranged in the second filter bottle;

[0009] A third filter bottle is provided with a third filter element inside, and the third filter bottle is detachably connected with the second filter bottle, so that the waterway where the third filter element is located is communicated with the internal waterway.

[0010] In some embodiments of the present application, a tube assembly is arranged in the second filter bottle, the tube assembly forms the internal waterway, the internal waterway includes a first waterway and a second waterway, one of the first waterway and the second waterway serves as the water inlet waterway of the third filter bottle, and the other serves as the water outlet waterway of the third filter bottle.

[0011] In some embodiments of the present application, the tube assembly includes a first tube and a second tube, the first tube is sleeved on the outer periphery of the second tube, the first waterway is formed between the first tube and the second tube, and the second waterway is formed in the second tube.

[0012] In some embodiments of the application, the second filter cartridge is arranged around the tube assembly.

[0013] In some embodiments of the application, the mounting cavity extends along an axial direction of the first filter bottle, and the first filter cartridge is arranged around the mounting cavity.

[0014] In some embodiments of the application, a first guide part is arranged on an inner wall of the mounting cavity, and a second guide part is arranged on an outer wall of the second filter bottle, and the first guide part cooperates with the second guide part.

[0015] In some embodiments of the application, the first filter bottle comprises an outer peripheral wall and an inner peripheral wall, the first filter cartridge is arranged in a space enclosed by the outer peripheral wall and the inner peripheral wall, and the inner peripheral wall encloses the mounting cavity.

[0016] In some embodiments of the application, the first filter cartridge is an RO membrane, and a central tube of the RO membrane encloses the mounting cavity.

[0017] In some embodiments of the application, a first end of the mounting cavity is open, and a first end of the second filter bottle is exposed from the first end of the mounting cavity to be connected with an external waterway.

[0018] In some embodiments of the application, a second end of the mounting cavity is open, and a second end of the second filter bottle is exposed from the second end of the mounting cavity to be connected with the second filter bottle.

[0019] In some embodiments of the application, a first connecting part is arranged on an end wall of the first filter bottle, and a second connecting part is arranged on an end wall of the third filter bottle, and the first connecting part is connected with the second connecting part.

[0020] In some embodiments of the application, the first filter cartridge is an RO membrane, one of the second filter cartridge and the third filter cartridge is a pre-filter cartridge, and the other is a post-filter cartridge.

[0021] In some embodiments of the application, a water purification device is provided, which comprises the filter cartridge device as described above.

[0022] Compared with the prior art, the application has the following advantages and positive effects:

[0023] The filter cartridge device of the application is a composite filter cartridge device, which comprises a first filter bottle, a second filter bottle and a third filter bottle, each of the filter bottles is provided with a filter cartridge, the second filter bottle is detachably arranged in an internal cavity of the first filter bottle, the second filter bottle is provided with an internal waterway for water to pass through the third filter bottle, and the structure is compact; the first filter bottle, the second filter bottle and the third filter bottle are detachably connected, so that the individual replacement of the filter bottles is realized, that is, the individual replacement of the filter cartridges is realized, and the cost of replacing the cartridges is reduced.

[0024] Other features and advantages of the present application will become more apparent from the following detailed description when read in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0026] Figure 1 It is a structural diagram of the filter element device according to some embodiments;

[0027] Figure 2 It is an exploded view of the filter element device according to some embodiments;

[0028] Figure 3 It is a sectional view of the filter element device according to some embodiments.

[0029] Reference signs:

[0030] 100, first filter bottle; 110, first filter element; 121, outer peripheral wall; 122, inner peripheral wall;

[0031] 200, second filter bottle; 210, second filter element; 220, built-in water channel; 221, first water channel; 222, second water channel; 230, tube assembly; 231, first tube; 232, second tube;

[0032] 300, third filter bottle; 310, third filter element. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0034] In the description of this application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0035] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0036] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0037] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0038] The disclosure below provides many different embodiments or examples for implementing different structures of the present application. For the sake of simplicity, the description below of the specific examples will not be exhaustive of the disclosure. Indeed, the present application can be practiced in a variety of ways. Accordingly, other embodiments and examples of the present application will be suggested to those skilled in the art by this disclosure. Further, this disclosure provides examples of various specific processes and materials. However, one skilled in the art will recognize that other processes and / or materials can be used.

[0039] In some embodiments of the present application, a water purification device, such as a water purifier, is provided. The water purification device includes a filter core device. The filter core device filters raw water to provide purified water for a user. Figure 1 A structural diagram of the filter core device, Figure 2 An exploded view of the filter core device, Figure 3 A sectional view of the filter core device.

[0040] The filter core device includes a first filter bottle 100. The first filter bottle 100 has a first filter core 110 disposed inside. The first filter bottle 100 also has a mounting cavity disposed inside. For example, the first filter bottle 100 has a cylindrical structure. The first filter bottle 100 includes an outer peripheral wall 121 and an inner peripheral wall 122. The first filter core 110 is disposed in the space enclosed by the outer peripheral wall 121 and the inner peripheral wall 122. The inner peripheral wall 122 encloses the mounting cavity.

[0041] The filter core device also includes a second filter bottle 200. The second filter bottle 200 is detachably disposed in the mounting cavity. The second filter bottle 200 has a second filter core 210 and an internal water channel 220 disposed inside. By disposing the second filter bottle 200 in the mounting cavity of the first filter bottle 100, the first filter core 110 and the second filter core 210 are integrated, and the structure is compact. By detachable disposition of the second filter bottle 200, the first filter bottle 100 and the second filter bottle 200 are independently replaceable.

[0042] The filter core device also includes a third filter bottle 300. The third filter bottle 300 has a third filter core 310 disposed inside. The third filter bottle 300 is detachably connected to the second filter bottle 200. When the third filter bottle 300 is connected to the second filter bottle 200, the water channel in which the third filter core 310 is located is in communication with the internal water channel 220. By the internal water channel 220, the third filter bottle 300 is in communication with an external water channel. Water in and out of the first filter bottle 100, the second filter bottle 200, and the third filter bottle 300 is from the same side, facilitating pipe installation.

[0043] The filter core device of the embodiment is a composite filter core device, comprising a first filter bottle 100, a second filter bottle 200 and a third filter bottle 300, each of which is provided with a filter core, the second filter bottle 200 is detachably arranged in the internal cavity of the first filter bottle 100, the second filter bottle 200 is provided with an internal water channel 220 for the third filter bottle 300 to pass water, and the structure is compact; the first filter bottle 100, the second filter bottle 200 and the third filter bottle 300 are detachably connected, so that the individual replacement of each filter bottle is realized, that is, the individual replacement of each filter core is realized, and the core replacement cost is reduced.

[0044] In some embodiments of the application, the second filter bottle 200 is provided with a pipe barrel assembly 230, and the pipe barrel assembly 230 forms the internal water channel 220. The internal water channel 220 comprises a first water channel 221 and a second water channel 222, one of the first water channel 221 and the second water channel 222 serving as the water inlet channel of the third filter bottle 300, and the other serving as the water outlet channel of the third filter bottle 300.

[0045] The third filter bottle 300 is provided with a water inlet and a water outlet. Taking the first water channel 221 as the water inlet channel and the second water channel 222 as the water outlet channel as an example, the water inlet of the third filter bottle 300 is connected with the first water channel 221, and the water outlet of the third filter bottle 300 is connected with the second water channel 222. The first water channel 221 and the second water channel 222 are connected with external water channels. Water flows into the third filter bottle 300 through the first water channel 221, is filtered by the third filter core, and then flows out through the second water channel 222. The first water channel 221 and the second water channel 222 are formed by the pipe barrel assembly 230, and the structure is compact.

[0046] In some embodiments of the application, the pipe barrel assembly 230 comprises a first pipe barrel 231 and a second pipe barrel 232, the first pipe barrel 231 being sleeved on the outer periphery of the second pipe barrel 232, the first water channel 221 being formed between the first pipe barrel 231 and the second pipe barrel 232, and the second water channel 222 being formed in the second pipe barrel 232.

[0047] The first pipe barrel 231 and the second pipe barrel 232 are sealingly connected with the wall of the second filter bottle 200, the first water channel 221 and the second water channel 222 are formed by the sleeved first pipe barrel 231 and second pipe barrel 232, and the structure is compact.

[0048] In some embodiments of the application, the second filter core 210 is arranged around the pipe barrel assembly 230. In other words, the second filter core 210 is arranged around the outer periphery of the first pipe barrel 231. The second filter core 210 is isolated from the water inlet / outlet channel of the third filter bottle 300, and the structure is compact.

[0049] In some embodiments of the present application, the mounting cavity extends along the axial direction of the first filter bottle 100, and the first filter element 110 surrounds the mounting cavity. In other words, the mounting cavity is formed in the interior of the first filter bottle 100, and the second filter bottle 200 is detachably arranged in the interior cavity of the first filter bottle 100, so that the structure is compact.

[0050] In some embodiments of the present application, the first end of the mounting cavity is open, and the first end of the second filter bottle 200 is exposed from the first end of the mounting cavity to be connected with the external waterway. By arranging the first end of the mounting cavity to be open, the connection of the second filter bottle 200 with the external waterway is facilitated, and meanwhile, the second filter bottle 200 can also be disassembled and assembled through the opening.

[0051] In some embodiments of the present application, the second end of the mounting cavity is open, and the second end of the second filter bottle 200 is exposed from the second end of the mounting cavity to be connected with the second filter bottle 200. By arranging the second end of the mounting cavity to be open, the connection of the internal waterway 220 in the second filter bottle 200 with the third filter bottle 300 is facilitated, and meanwhile, the second filter bottle 200 can also be disassembled and assembled through the opening.

[0052] In some embodiments of the present application, the connection modes between the first filter bottle 100, the second filter bottle 200 and the third filter bottle 300 are various, and the present embodiment does not make specific limitation, which can ensure that each filter bottle can be independently replaced, and meanwhile, the three can be assembled as a whole.

[0053] For example, the first filter bottle 100 and the second filter bottle 200 are detachably connected, and the second filter bottle 200 and the third filter bottle 300 are detachably connected. Specifically, the inner peripheral wall 122 of the first filter bottle 100 and the outer peripheral wall of the second filter bottle 200 are detachably connected through buckling or the like, and the waterway plug-in interfaces are arranged on the second filter bottle 200 and the third filter bottle 300, the two filter bottles are plugged in corresponding to the waterway plug-in interfaces, so as to realize the waterway communication between the third filter bottle 300 and the internal waterway 220, and also realize the connection between the second filter bottle 200 and the third filter bottle 300. In this scheme, the first filter bottle 100 and the third filter bottle 300 can have a connection relationship or can have no connection relationship.

[0054] For another example, the first filter bottle 100 and the second filter bottle 200 are respectively detachably connected with the third filter bottle 300. In this scheme, the first filter bottle 100 and the second filter bottle 200 can have a connection relationship or can have no connection relationship. Specifically, the first filter bottle 100 and the third filter bottle 300 are connected at the butt joint surface through buckling, screw threads or the like, and the waterway plug-in interfaces are arranged on the second filter bottle 200 and the third filter bottle 300, the two filter bottles are plugged in corresponding to the waterway plug-in interfaces, so as to realize the waterway communication between the third filter bottle 300 and the internal waterway 220, and also realize the connection between the second filter bottle 200 and the third filter bottle 300.

[0055] In some embodiments of the present application, a first guide part is arranged on the inner wall of the mounting cavity, and a second guide part is arranged on the outer wall of the second filter bottle 200, and the first guide part cooperates with the second guide part.

[0056] For example, the first guide part is a protrusion extending along the axial direction of the mounting cavity, the second guide part is a groove extending along the axial direction of the second filter bottle 200, and the protrusion is inserted into the groove. Through the sliding cooperation between the protrusion and the groove, the disassembly and assembly of the second filter bottle 200 are guided, and meanwhile, when the second filter bottle 200 is installed in place, the built-in water channel 220 is connected to the waterway interface of the third filter bottle 300 in a direct connection manner.

[0057] In some embodiments of the present application, a first connecting part is arranged on the end wall of the first filter bottle 100, and a second connecting part is arranged on the end wall of the third filter bottle 300, and the first connecting part is connected to the second connecting part.

[0058] For example, the first connecting part is a plug column, the second connecting part is a plug opening, the plug column is inserted into the plug opening, and the connection between the first filter bottle 100 and the third filter bottle 300 is realized, thereby improving the structural reliability.

[0059] In some embodiments of the present application, the connection between the built-in water channel 220 and the external waterway board and the connection between the second filter bottle 200 and the external waterway board are realized through a check structure. Only when the second filter bottle 200 is connected to the waterway board in place, the check structure is opened, the waterway is connected, and when the second filter bottle 200 is disconnected from the external waterway for replacement, no water flows out.

[0060] The connection between the built-in water channel 220 and the water inlet and outlet of the third filter bottle 300 is realized through a check structure. Only when the second filter bottle 200 is connected to the third filter bottle 300 in place, the check structure is opened, the waterway is connected, and when the second filter bottle 200 and the third filter bottle 300 are replaced, no water flows out.

[0061] The connection between the first filter bottle 100 and the external waterway board is realized through a check structure. Only when the first filter bottle 100 is connected to the waterway board in place, the check structure is opened, the waterway is connected, and when the first filter bottle 100 is disconnected from the external waterway for replacement, no water flows out.

[0062] The check structures mentioned above are conventional technical means in the art, and the specific structure of each check structure is not limited in the present application, and each check structure is not described in detail.

[0063] The water filtration sequence of the first filter bottle 100, the second filter bottle 200 and the third filter bottle 300 is not limited in the present application, and is determined according to the actual use requirements.

[0064] For example, in some embodiments, one of the second filter element 210 and the third filter element 310 is a pre-filter element, and the other is a post-filter element, and the first filter element 110 is an RO membrane. Taking the second filter element 210 as a post-filter element and the third filter element 310 as a pre-filter element as an example, the water path is as follows: raw water flows into the water channel where the third filter element 310 is located through the first water channel 221, and after being filtered by the third filter element 310, a first-stage filter element is obtained, and the first-stage filtered water flows out through the second water channel 222; the first-stage filtered water flows into the first filter element 110 through the water path plate, and after being filtered, second-stage filtered water is obtained; the second-stage filter element flows into the water channel where the second filter element 210 is located through the water path plate, and after being filtered by the second filter element 210, third-stage filtered water is obtained.

[0065] In some embodiments, the second filter element 210 is activated carbon, and the built-in water channel 220 is arranged in the central axis hole of the activated carbon, so that the internal space of the activated carbon is fully utilized, and the structure is compact.

[0066] In some embodiments of the present application, the first filter element 110 is an RO membrane, and the central pipe of the RO membrane surrounds a mounting cavity for mounting the second filter bottle 200. The central pipe of the RO membrane is used to form a mounting space for mounting the second filter bottle 200, so that the internal space of the RO membrane is fully utilized, the structure is compact, and the structural characteristics of the RO membrane are fully utilized, without the need to additionally arrange a peripheral wall of the mounting cavity, thereby further reducing the product cost.

[0067] In the description of the above embodiments, specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0068] The above merely describes specific embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A filter cartridge arrangement, characterized by The utility model relates to a filter core device, comprising: a first filter bottle with a first filter core inside, the first filter bottle further comprising a mounting cavity inside; a second filter bottle detachably arranged in the mounting cavity, the second filter bottle comprising a second filter core and an internal water channel; a third filter bottle with a third filter core inside, the third filter bottle being detachably connected with the second filter bottle so that the water channel where the third filter core is located is in communication with the internal water channel.

2. The filter core device according to claim 1, wherein the second filter bottle comprises a tube assembly, the tube assembly forming the internal water channel, the internal water channel comprising a first water channel and a second water channel, one of the first water channel and the second water channel serving as a water inlet channel of the third filter bottle and the other serving as a water outlet channel of the third filter bottle.

3. The filter core device according to claim 2, wherein the tube assembly comprises a first tube and a second tube, the first tube being sleeved on the outer periphery of the second tube, the first tube and the second tube forming the first water channel therebetween, and the second tube forming the second water channel inside.

4. The filter core device according to claim 2, wherein the second filter core is arranged around the tube assembly.

5. The filter core device according to claim 1, wherein the mounting cavity extends along the axial direction of the first filter bottle, and the first filter core is arranged around the mounting cavity.

6. The filter core device according to claim 5, wherein the first filter bottle comprises an outer peripheral wall and an inner peripheral wall, the first filter core being arranged in the space surrounded by the outer peripheral wall and the inner peripheral wall, and the inner peripheral wall surrounding the mounting cavity; or the first filter core is a reverse osmosis (RO) membrane, and the center tube of the RO membrane surrounds the mounting cavity.

7. The filter core device according to claim 1, wherein a first end of the mounting cavity is open, and a first end of the second filter bottle is exposed from the first end of the mounting cavity to be connected with an external water channel.

8. The filter core device according to claim 1, wherein a second end of the mounting cavity is open, and a second end of the second filter bottle is exposed from the second end of the mounting cavity to be connected with the second filter bottle.

9. The filter core device according to claim 1, wherein the first filter core is a RO membrane, one of the second filter core and the third filter core is a pre-filter core, and the other is a post-filter core. The utility model further relates to a filter device comprising the filter core device according to any one of claims 1 to 9.

10. A water purification apparatus characterized by comprising: ​

Images