Filter element device and water purification equipment

Abstract

The filter element device comprises a first filter bottle, a second filter bottle and a water channel piece, a first filter element is arranged in the first filter bottle, an installation cavity is further formed in the first filter bottle, the water channel piece is detachably arranged in the installation cavity, a water channel is formed in the water channel piece, and a water outlet is formed in the second filter bottle. The second filter bottle is detachably connected with the first filter bottle, a filter element is arranged in the second filter bottle, and the second filter bottle is connected with the water channel piece so that a water channel where the filter element is located can be communicated with a water channel in the water channel piece. 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 to those skilled in the art. SUMMARY

[0004] In view of 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, to reduce the cost of replacing core.

[0005] To achieve the above-mentioned 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 water channel element is detachably arranged in the mounting cavity, and a water channel is formed in the water channel element;

[0009] A second filter bottle is detachably connected with the first filter bottle, and a filter element is arranged in the second filter bottle, and the second filter bottle is connected with the water channel element to make the water channel where the filter element is located communicate with the water channel in the water channel element.

[0010] In some embodiments of the present application, the mounting cavity extends along the axial direction of the first filter bottle, and the first filter element surrounds the mounting cavity.

[0011] In some embodiments of the present application, the first filter bottle comprises a first outer peripheral wall and a first inner peripheral wall, a first mounting cavity for mounting the first filter element is formed between the first outer peripheral wall and the first inner peripheral wall, and the first inner peripheral wall surrounds the mounting cavity.

[0012] In some embodiments of the present application, the first filter element is a RO membrane, and the central tube of the RO membrane surrounds the mounting cavity.

[0013] In some embodiments of the present application, the first end of the installation cavity is open, and the first end of the water channel member is exposed from the first end of the installation cavity to be connected with an external water channel.

[0014] In some embodiments of the present application, the second end of the installation cavity is open, and the second filter bottle is provided with an extension part which extends into the second end of the installation cavity to be connected with the water channel member.

[0015] In some embodiments of the present application, an extension water channel is formed in the extension part, the extension water channel is communicated with the water channel in the water channel member, a third non-return structure is arranged in the extension water channel, and a second non-return structure is arranged in the water channel member and connected with the third non-return structure.

[0016] In some embodiments of the present application, the first end of the water channel member is provided with a first non-return structure which is connected with a non-return structure on an external water channel plate.

[0017] In some embodiments of the present application, the second end of the water channel member is provided with a second non-return structure, the second filter bottle is provided with a third non-return structure, and the second non-return structure is connected with the third non-return structure.

[0018] In some embodiments of the present application, the second filter bottle is provided with a second filter element and a third filter element, a part of the water channel in the water channel member is communicated with the water channel in which the second filter element is arranged, and another part of the water channel in the water channel member is communicated with the water channel in which the third filter element is arranged.

[0019] In some embodiments of the present application, the second filter bottle is provided with a first end cover which limits the second filter element and the third filter element in the second filter bottle, and the first end cover is provided with a plurality of water passing openings, a part of the water passing openings are communicated with the corresponding water channel in the water channel member, and another part of the water passing openings are communicated with the corresponding water channel in the water channel member.

[0020] In some embodiments of the present application, the first filter element is an RO membrane, one of the second filter element and the third filter element is a pre-filter element, and the other is a post-filter element. In some embodiments of the present application, a water purification device is also provided, which comprises the filter element device as described above.

[0021] Compared with the prior art, the present application has the following advantages and positive effects:

[0022] The filter core device disclosed by the application is a composite filter core device, comprising a first filter bottle, a second filter bottle and a water channel piece, filter cores are respectively arranged in the first filter bottle and the second filter bottle, the water channel piece is integrated in the first filter bottle, and the water channel piece is used for connecting a water channel in the second filter bottle with an external water channel, so that the structure is compact; the second filter bottle is detachably connected with the first filter bottle, and the second filter bottle is also detachably connected with the water channel piece, so that the filter cores are replaced individually, the water channel piece can be reused, and the cost of replacing the filter core is reduced.

[0023] Other features and advantages of the present application will become more apparent after reading the detailed description of the application in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0024] 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 embodiment or prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0025] Figure 1 It is a structural view of the filter core device according to some embodiments;

[0026] Figure 2 It is a top view of the filter core device according to some embodiments;

[0027] Figure 3 It is Figure 2 A-A sectional view in the middle;

[0028] Figure 4 It is Figure 2 B-B sectional view in the middle;

[0029] Figure 5 It is a sectional view of the first filter bottle according to some embodiments;

[0030] Figure 6 It is a structural view of the water channel piece according to some embodiments;

[0031] Figure 7 It is a structural view of the second filter bottle according to some embodiments;

[0032] Figure 8 It is a sectional view of the second filter bottle according to some embodiments.

[0033] Reference signs:

[0034] 100, first filter bottle; 110, first bottle body; 111, first top cover; 112, first outer peripheral wall; 113, first inner peripheral wall; 120, first filter core; 130, second mounting cavity;

[0035] 200, second filter bottle; 210, second bottle body; 211, second top cover; 212, first extension part; 220, second filter element; 230, third filter element; 240, first end cover; 241, outer extension circumferential wall; 242, inner extension circumferential wall; 243, second extension part; 250, second end cover; 260, third end cover; 270, inner shell; 271, third extension part; 280, third check structure;

[0036] 300, water channel member; 310, first check structure; 320, second check structure; 331, first water channel; 332, second water channel; 333, third water channel; 334, fourth water channel. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present application will be clearly and completely described in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0038] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0039] The terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0040] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0041] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can include the first and second features in direct contact, or the first and second features not in direct contact but in contact through another feature between them. Moreover, the first feature "on", "above" and "on the surface" of the second feature includes the first feature directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "under" the second feature includes the first feature directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0042] The disclosure below provides many different embodiments or examples for implementing different structures of the present application. In order to simplify the disclosure of the present application, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the present application. In addition, the present application can repeatedly refer to numbers and / or letters in different examples, and such repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the present application provides examples of various specific processes and materials, but those skilled in the art can realize the application of other processes and / or the use of other materials.

[0043] 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, which filters raw water to provide purified water for users.

[0044] Figure 1 A structural view of the filter core device, Figure 2 A top view of the filter core device, Figure 3 A Figure 2 A cross-sectional view of A-A, Figure 4 A Figure 2 A cross-sectional view of B-B.

[0045] The filter core device includes a first filter bottle 100. Figure 5 A structural view of the first filter bottle 100. The first filter bottle 100 includes a first bottle body 110, and a first mounting cavity (not marked) and a second mounting cavity 130 are formed in the first bottle body 110. A first filter core 120 is arranged in the first mounting cavity.

[0046] The filter core device further includes a water channel member 300. Figure 6 A structural view of the water channel member 300. The water channel member 300 is detachably arranged in the second mounting cavity 130. A plurality of water channels are formed in the water channel member 300.

[0047] The first filter bottle 100 provides independent installation space for the first filter element 120 and the water channel member 300. The water channel member 300 is an independent water channel structure, which helps to simplify the internal structure of the first filter bottle 100 and facilitate the installation of the first filter element 120 and the water channel member 300.

[0048] The filter element device further includes a second filter bottle 200. Figure 7 A structural view of the second filter bottle 200, Figure 8 A sectional view of the second filter bottle 200. The second filter bottle 200 includes a second bottle body 210, and the second bottle body 210 is provided with a filter element.

[0049] The second filter bottle 200 is detachably connected with the first filter bottle 100, in other words, the second bottle body 210 is detachably connected with the first bottle body 110. In this way, multiple filter elements are integrated to form a composite filter element device. The first bottle body 110 and the second bottle body 210 are connected by buckling, threading or other methods, which are not limited in the present application.

[0050] The second filter bottle 200 is also connected with the water channel member 300, so that the water channel of the filter element in the second filter bottle 200 is in communication with the water channel in the water channel member 300. The water inlet and outlet of the first filter element 120 and the water inlet and outlet of the filter element in the second filter bottle 200 are all from the side of the first filter bottle 100, which is convenient for pipe installation.

[0051] The filter element device of the present embodiment is a composite filter element device, which includes a first filter bottle 100, a second filter bottle 200 and a water channel member 300. The first filter bottle 100 and the second filter bottle 200 are respectively provided with filter elements, and the water channel member 300 is integrated in the first filter bottle 100. The water channel member 300 connects the water channel in the second filter bottle 200 with the external water channel, and the structure is compact. The second filter bottle 200 is detachably connected with the first filter bottle 100, and the second filter bottle 200 is also detachably connected with the water channel member 300. In this way, the individual replacement of each filter bottle, i.e. the individual replacement of each filter element, is realized, and the water channel member 300 can be reused, thereby reducing the cost of replacing the filter element.

[0052] In some embodiments of the present application, the second installation cavity 130 extends along the axial direction of the first filter bottle 100, and the first filter element 120 surrounds the second installation cavity 130, i.e. the first filter element 120 is arranged around the water channel member 300, and the structure is compact.

[0053] The first bottle body 110 comprises a first outer peripheral wall 112 and a first inner peripheral wall 113. The first outer peripheral wall 112 constitutes the outer peripheral wall of the first bottle body 110, and the first inner peripheral wall 113 surrounds the second mounting cavity 130. A first mounting cavity for mounting the first filter element 120 is formed between the first outer peripheral wall 112 and the first inner peripheral wall 113. The top of the first mounting cavity is provided with a first top cover 111, which limits the first filter element 120 in the first mounting cavity. The first top cover 111 is provided with an opening, which is communicated with the second mounting cavity 130, so as to connect the water channel member 300 with the second filter bottle 200.

[0054] The bottom of the first bottle body 110 (the side away from the first top cover 111) is provided with a water port (not shown), through which the first filter element 120 is connected with the external water channel. The connection between the water port and the external water channel is realized through a check structure. Only when the first filter element 120 is properly inserted into the water channel plate, the check structure is opened, realizing the water channel communication, and when the first filter bottle 100 is detached from the external water channel for replacement, no water will flow out.

[0055] In some embodiments of the present application, the first filter element 120 is an RO membrane, and the central tube of the RO membrane surrounds the second mounting cavity 130. The central tube of the RO membrane is used to form a mounting space for mounting the water channel member 300, which fully utilizes the internal space of the RO membrane and has a compact structure. The structure characteristics of the RO membrane are fully utilized, and no additional peripheral wall of the second mounting cavity 130 is needed, further reducing the product cost.

[0056] In some embodiments of the present application, the first end of the second mounting cavity 130 is open, and the first end of the water channel member 300 is exposed from the first end of the second mounting cavity 130 to be connected with the external water channel.

[0057] The first bottle body 110 does not need to provide a special water channel connection structure for the water channel member 300, and only needs to be provided with an opening to expose the water channel member 300, which can be directly connected with the external water channel through the water channel member 300, thereby simplifying the structure of the first filter bottle 100.

[0058] In some embodiments of the present application, the first end of the water channel member 300 is provided with a first check structure 310, which is connected with the check structure on the external water channel plate. For example, the first check structure 310 is a female check structure, and a male check structure is correspondingly provided on the external water channel plate. After the filter element device is connected with the water channel plate, the first check structure 310 is connected with the corresponding male check structure on the water channel plate, realizing the water channel communication.

[0059] The check structure is arranged between the water channel member 300 and the water channel plate. Only when the water channel member 300 is properly inserted into the water channel plate, the check structure is opened, realizing the water channel communication, and when the water channel member 300 is detached from the external water channel, no water will flow out.

[0060] In some embodiments of the present application, the second end of the water channel member 300 is provided with a second check structure 320, the second filter bottle 200 is provided with a third check structure 280, and the second check structure 320 is connected with the third check structure 280. For example, the second check structure 320 is a male check structure, the third check structure 280 is a female check structure, and after the second filter bottle 200 is connected with the water channel member 300, the second check structure 320 is connected with the third check structure 280 to realize water connection.

[0061] By providing a check structure between the second filter bottle 200 and the water channel member 300, the check structure is only opened when the second filter bottle 200 and the water channel member 300 are inserted in place to realize water connection, and no water will flow out when the second filter bottle 200 and the water channel member 300 are detached.

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

[0063] In some embodiments of the present application, the second end of the second mounting cavity 130 is open, and the second filter bottle 200 is provided with an extension, which is referred to as a first extension 212, and the first extension 212 extends into the open second end of the second mounting cavity 130 to be connected with the water channel member 300.

[0064] The second mounting cavity 130 is an up-down through cavity structure, the water channel member 300 is arranged in the second mounting cavity 130, and the water channel member 300 has no direct connection relationship with the first filter bottle 100. In this way, the first filter bottle 100 provides a mounting space for the water channel member 300, and at the same time, the water channel member 300 does not affect the replacement of the first filter bottle 100. When the first filter bottle 100 is replaced and discarded, the water channel member 300 is not a discarded component, and the water channel member 300 can be reused to further reduce the cost of replacing the core.

[0065] The two ends of the second mounting cavity 130 are through, which facilitates the connection of one end of the water channel member 300 with the external water channel and the connection of the other end of the water channel member 300 with the second filter bottle 200, and facilitates the water channel connection of the water channel member 300.

[0066] The plug-in structure between the first extension 212 and the second mounting cavity 130 also helps to improve the connection reliability between the second filter bottle 200 and the first filter bottle 100.

[0067] In some embodiments of the present application, an extension water channel is formed in the first extension 212, and the extension water channel is connected with the water channel in the water channel member 300. A third check structure 280 is arranged in the extension water channel, and a second check structure 320 is arranged in the water channel member 300, and the second check structure 320 is connected with the third check structure 280.

[0068] The first extension 212 provides a mounting space for the third check structure 280, which does not occupy the internal space of the second filter bottle 200, does not reduce the volume of the filter element in the second filter bottle 200, and thus does not affect the water filtering effect.

[0069] In some embodiments of the present application, the second filter bottle 200 is provided with a second filter element 220 and a third filter element 230, and the second filter element 220 is arranged around the third filter element 230, which is compact in structure.

[0070] Part of the water channel in the water channel member 300 is in communication with the water channel where the second filter element 220 is located, and another part of the water channel in the water channel member 300 is in communication with the water channel where the third filter element 230 is located. In some specific embodiments, the water channel in the water channel member 300 includes a first water channel 331, a second water channel 332, a third water channel 333, and a fourth water channel 334. Referring to Figure 3 , one of the first water channel 331 and the second water channel 332 serves as an inlet flow channel, and the other serves as an outlet flow channel. Both the first water channel 331 and the second water channel 332 are in communication with the water channel where the second filter element 220 is located, so as to connect the second filter element 220 with the external water channel. Referring to Figure 4 , one of the third water channel 333 and the fourth water channel 334 serves as an inlet flow channel, and the other serves as an outlet flow channel. Both the third water channel 333 and the fourth water channel 334 are in communication with the water channel where the third filter element 230 is located, so as to connect the third filter element 230 with the external water channel. Both the second filter element 220 and the third filter element 230 pass water through the water channel member 300, and the water channels are independent of each other, and the structure is compact.

[0071] The present application does not make specific limitations on the water filtering sequence of the first filter element 120, the second filter element 220, and the third filter element 230, which is determined according to actual use requirements.

[0072] For example, in some specific embodiments, one of the second filter element 220 and the third filter element 230 is a pre-filter element, and the other is a post-filter element, and the first filter element 120 is an RO membrane. Taking the second filter element 220 as a pre-filter element and the third filter element 230 as a post-filter element as an example, the water channel is as follows: raw water enters the water channel where the second filter element 220 is located through the first water channel 331, and after being filtered by the second filter element 220, first-grade filtered water is obtained, which flows out through the second water channel 332; the first-grade filtered water flows into the second filter element 220 through the water channel again, and after being filtered, second-grade filtered water is obtained; the second-grade filtered water flows into the water channel where the third filter element 230 is located through the water channel plate and the third water channel 333, and after being filtered by the third filter element 230, third-grade filtered water is obtained, which flows out through the fourth water channel 334.

[0073] In some embodiments of the present application, the second filter bottle 200 is provided with a first end cover 240, which limits the second filter element 220 and the third filter element 230 in the second filter bottle 200. The first end cover 240 is provided with a plurality of water passing openings, a part of which communicates the water channel in which the second filter element 220 is located with the corresponding water channel in the water channel piece 300, and another part of which communicates the water channel in which the third filter element 230 is located with the corresponding water channel in the water channel piece 300.

[0074] The first end cover 240 is provided with a second extension part 243, a water passing channel is formed in the second extension part 243, and the second extension part 243 is inserted into the extension water channel of the first extension part 212 to realize water channel communication and fixed installation of the first end cover 240 in the second filter bottle 200.

[0075] In some embodiments of the present application, the first end cover 240 comprises an outer extension peripheral wall 241 and an inner extension peripheral wall 242, an installation groove is formed between the outer extension peripheral wall 241 and the inner extension peripheral wall 242, and the second filter element 220 is arranged in the installation groove. The inner extension peripheral wall 242 divides the inner cavity of the second filter bottle 200 into an outer space and an inner space, the second filter element 220 is arranged in the outer space, and the third filter element 230 is arranged in the inner space.

[0076] The first end cover 240 limits the second filter element 220 and the third filter element 230, realizes water channel communication and inner cavity division, is multifunctional, simplifies the structure, and is compact in structure.

[0077] In some embodiments of the present application, an inner shell 270 is arranged in the space surrounded by the inner extension peripheral wall 242, and the third filter element 230 is arranged in the inner shell 270. The inner shell 270 is provided with a third extension part 271, a water passing channel is formed in the third extension part 271, and the third extension part 271 is inserted into the second extension part 243 to realize water channel communication and fixed installation of the third filter element 230 in the second filter bottle 200.

[0078] In some embodiments of the present application, the second filter bottle 200 is provided with a second end cover 250, which limits the second filter element 220 in the outer space. The second filter bottle 200 is further provided with a third end cover 260, which limits the third filter element 230 in the inner space, that is, limits the third filter element 230 in the inner shell 270.

[0079] The second end cover 250 is provided with an opening, and the module composed of the third end cover 260, the inner shell 270 and the third filter element 230 can be taken out or put in through the opening. The second filter bottle 200 further comprises a second top cover 211, which limits the second filter element 220 and the third filter element 230 in the second filter bottle 200.

[0080] In the description of the above-mentioned embodiments, specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0081] The above merely describes the specific implementation of the present application, but the protection scope of the present application is not limited to this. 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 in 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, which is internally provided with a first filter core, and is further provided with a mounting cavity; a water channel element, which is detachably arranged in the mounting cavity, and is internally formed with a water channel; a second filter bottle, which is detachably connected with the first filter bottle, and is internally provided with a filter core, and is connected with the water channel element so that the water channel where the filter core is located is in communication with the water channel in the water channel element.

2. 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 surrounds the mounting cavity.

3. The filter core device according to claim 2, wherein the first filter bottle comprises a first outer peripheral wall and a first inner peripheral wall, and the first mounting cavity for mounting the first filter core is formed between the first outer peripheral wall and the first inner peripheral wall, and the first inner peripheral wall surrounds the mounting cavity; or the first filter core is an RO membrane, and the central tube of the RO membrane surrounds the mounting cavity.

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

5. The filter core device according to claim 1, wherein the second end of the mounting cavity is open, and the second filter bottle is provided with an extension part, and the extension part extends into the second end of the mounting cavity to be connected with the water channel element.

6. The filter core device according to any one of claims 1 to 5, wherein the first end of the water channel element is provided with a first non-return structure, and the first non-return structure is connected with a non-return structure on an external water channel plate.

7. The filter core device according to any one of claims 1 to 5, wherein the second end of the water channel element is provided with a second non-return structure, and the second filter bottle is provided with a third non-return structure, and the second non-return structure is connected with the third non-return structure.

8. The filter core device according to any one of claims 1 to 5, wherein the second filter bottle is internally provided with a second filter core and a third filter core, a part of the water channel in the water channel element is in communication with the water channel where the second filter core is located, and another part of the water channel in the water channel element is in communication with the water channel where the third filter core is located.

9. The filter core device according to claim 8, wherein the first filter core is an 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: ​

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