Filter element and water purification equipment
By creating grooves on the filter rod and sealing them with the filter bottle cavity, the problem of high defect rate caused by cumbersome filter element production is solved, thus simplifying production, improving yield, and enhancing sealing performance.
Patent Information
- Application Number
- CN202422930978.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-11-28
AI Technical Summary
Existing filter elements have a high defect rate due to complicated manufacturing processes.
Grooves are made on the filter rod to form a water passage, and the filter rod is sealed to the inner wall of the filter bottle cavity, which simplifies the production process and reduces the generation of defective products.
It reduces the complexity of the production process, improves the yield rate, enhances sealing and reliability, reduces the risk of leakage, lowers costs, and improves production efficiency.
Smart Images

Figure CN223705235U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of water purification, in particular to a filter element and a water purification device. BACKGROUND
[0002] The carbon rod and the activated carbon filter element play a role in improving taste in the water purification filter device. Generally, the conventional filter element is assembled into the water purification device by cooperating the bare rod with the upper and lower end covers. The carbon rod usually adopts a hollow structure with two ends communicating. The two ends of the carbon rod are cooperated with the upper and lower end covers by hot melt glue, and then the upper end cover of the carbon rod is sealed and cooperated with the filter element cover. The existing filter element has the problem of high defective rate due to complicated production and manufacturing process. CONTENT OF THE UTILITY MODEL
[0003] The main purpose of the present application is to provide a filter element and a water purification device, which aims to solve the problem of high defective rate of the existing filter element due to complicated production and manufacturing process.
[0004] To achieve the above-mentioned purpose, the filter element provided by the present application comprises:
[0005] A filter bottle is internally provided with a cavity;
[0006] A filter rod is provided with a groove on the axis to form a water passage, and the groove is provided with a first opening; one end of the filter rod provided with the first opening is sealingly connected with the inner wall of the cavity.
[0007] In an embodiment, the groove extends from one end of the filter rod to the other end of the filter rod, and the filter rod comprises a bottom plate portion and a side wall portion.
[0008] In an embodiment, an adhesive layer is arranged between the filter rod and the inner wall of the cavity.
[0009] In an embodiment, the filter bottle is provided with a water inlet end and a water outlet end; the cavity is in communication with the water inlet end; and the first opening is in communication with the water outlet end.
[0010] In an embodiment, the inner wall of the cavity is provided with a mounting groove, and one end of the filter rod provided with the first opening is located in the mounting groove.
[0011] In an embodiment, the side wall of the mounting groove is provided as an inclined surface, and the diameter of the bottom wall of the mounting groove is greater than the diameter of the third opening of the mounting groove.
[0012] In an embodiment, the filter bottle comprises a bottle body and a cover body, the bottle body is internally provided with the cavity, one end of the bottle body is provided with a second opening; and the cover body is fixedly connected with one end of the bottle body provided with the second opening.
[0013] In an embodiment, the cover and the bottle body are connected by spin welding.
[0014] In an embodiment, the water inlet end and the water outlet end are arranged on the cover; and / or,
[0015] The mounting groove is arranged on a side where the cover is connected to the bottle body.
[0016] The application also provides a water purification device comprising the filter element as described above.
[0017] The technical solution of the application forms a water passing channel by arranging a groove on the filter stick along an axis, and the groove is provided with a first opening. The filter stick is arranged in the cavity of the filter bottle, and one end of the filter stick provided with the first opening is sealingly connected to the inner wall of the cavity. The filter element makes the water flow pass through the filter stick for filtration, and the filtered water is output from the water passing channel. Since the conventional filter element needs to be assembled into the water purification device after the bare stick is matched with the upper and lower end covers, the production process is complicated, and the filter element has a high rate of defective products. Therefore, the filter element directly connects one end of the filter stick to the inner wall of the cavity, which reduces the complexity of the production process, reduces the defective products caused by improper operation, and effectively improves the yield of the product. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor based on the drawings shown.
[0019] Fig. 1 The structure schematic diagram of an embodiment of the filter element provided by the application;
[0020] Fig. 2 The end structure schematic diagram of an embodiment of the filter element provided by the application;
[0021] Fig. 3 The cover structure schematic diagram of an embodiment of the filter element provided by the application;
[0022] Fig. 4 The three-dimensional structure schematic diagram of an embodiment of the filter element provided by the application.
[0023] Explanation of reference numerals:
[0024] 1, filter bottle; 11, cavity; 12, water inlet end; 13, water outlet end; 14, bottle body; 141, second opening; 15, cover; 151, mounting groove; 2, filter stick; 21, groove; 22, first opening; 3, adhesive layer.
[0025] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments in combination with the accompanying drawings. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the present application will be clearly and completely described in combination with the accompanying 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 of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.
[0027] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.
[0028] In addition, if the embodiments of the present application involve descriptions such as “first”, “second”, etc., the descriptions of “first”, “second”, etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by “first” and “second” can explicitly or implicitly include at least one of the features. In addition, “and / or” or “and / or” appearing throughout the text means that the three parallel solutions are included, for example, “A and / or B” includes A solution, or B solution, or A and B solutions are satisfied at the same time. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that a person of ordinary skill in the art can realize it, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope claimed by the present application.
[0029] The carbon rod and the activated carbon filter element play a role in improving taste in water purification filtration equipment. Generally, the conventional filter element is assembled into the water purification equipment by cooperating the bare rod with the upper and lower end covers. The carbon rod usually adopts a hollow structure with both ends communicating, and the two ends of the carbon rod need to be cooperated with the upper and lower end covers through hot melt glue, and then the upper end cover of the carbon rod is sealed and cooperated with the filter element cover. The existing filter element has the problem of high rate of defective products due to complicated production and manufacturing process.
[0030] To solve the above problem, the present application provides a filter element.
[0031] Please refer to Figs. 1 to 4In an embodiment of the present application, the filter element includes a filter bottle 1 and a filter stick 2. The filter bottle 1 has a cavity 11 inside. The filter stick 2 has a groove 21 along the axis to form a water passage, and the groove 21 has a first opening 22. The filter stick 2 is sealed and connected to the inner wall of the cavity 11 at the end with the first opening 22. In the above structure, the filter stick 2 has a groove 21 along the axis to form a water passage, and the groove 21 has a first opening 22. The filter stick 2 is placed in the cavity 11 of the filter bottle 1, and the end of the filter stick 2 with the first opening 22 is sealed and connected to the inner wall of the cavity 11. The filter element allows water to flow through the filter stick 2 for filtration and output filtered water from the water passage. Since the traditional filter element needs to be assembled into the water purification equipment after the bare stick is matched with the upper and lower end covers, there is a problem of high rate of defective products due to complicated production process. Therefore, the filter element in the present application directly seals and connects one end of the filter stick 2 to the inner wall of the cavity 11, which not only reduces the complexity of the production process, but also reduces the generation of defective products due to improper operation, effectively improving the yield of the product. In addition, the filter stick is directly sealed and connected to the inner wall of the filter bottle 1, reducing the risk of water leakage due to improper matching of the filter stick and the end cover, improving the sealing performance and reliability of the product. Simplifying the assembly steps can reduce the cost of materials and labor, improve production efficiency, and help reduce overall production cost.
[0032] The filter stick 2 can be made of activated carbon or carbon fiber, which can effectively remove solid particle impurities, odors, and residual chlorine, chloramine disinfectants in liquid or gas, and reduce the content of heavy metals in water, thereby improving water quality.
[0033] In an embodiment, the groove 21 extends from one end of the filter stick 2 to the other end of the filter stick 2, and the filter stick includes a bottom plate portion and a side wall portion. In the above structure, the groove 21 extends from one end of the filter stick 2 to the other end of the filter stick 2, i.e., the entire inside of the filter stick 2 forms a continuous water passage, to ensure that the water flow can be uniformly distributed along the length of the entire filter stick 2, thereby improving the filtering efficiency. In addition, compared with the hollow structure of the existing carbon stick with two ends connected, the filter stick 2 includes a bottom plate portion and a side wall portion, so that the bottom plate portion and the side wall portion of the filter stick 2 form a filter surface together, increasing the surface area of the water flow in contact with the filter stick 2, so that the water flow can be more fully contacted with the activated carbon or carbon fiber when passing through the filter stick 2, thereby enhancing the adsorption and filtering effect. Exemplarily, the cross section of the filter stick 2 along the axis is in the shape of a U.
[0034] In an embodiment, an adhesive layer 3 is arranged between the filter rod 2 and the inner wall of the cavity 11. The adhesive layer 3 can ensure a sealed connection between the filter rod 2 and the inner wall of the cavity 11, thereby preventing unfiltered water from bypassing the filter rod 2 and improving the overall filtering effect; the use of the adhesive layer can reduce assembly complexity, speed up production, and improve production efficiency; it should be noted that the adhesive layer 3 can be formed by solidifying a hot melt adhesive melt, which can provide good adhesive strength and is a fast, stable, and environmentally friendly connection method that can ensure stable connection between the filter rod 2 and the filter bottle 1, with the advantages of fast curing, easy operation, environmental friendliness, weather resistance, etc. Therefore, using a hot melt adhesive melt as the adhesive layer 3 can provide stable adhesive effect and improve the reliability and durability of the overall product.
[0035] In an embodiment, the filter bottle 1 is provided with a water inlet end 12 and a water outlet end 13; the cavity 11 is in communication with the water inlet end 12; and the first opening 22 is in communication with the water outlet end 13. Specifically, the water to be filtered enters the cavity 11 from the water inlet end 12, is filtered by the filter rod 2, and forms filtered water in the water passage of the filter rod 2, and the filtered water is output from the water outlet end 13, so that the water flow can enter and exit the filter core in an orderly manner, ensuring the continuity and efficiency of the filtering process. In addition, the cavity 11 is directly in communication with the water inlet end 12 of the filter bottle 1, simplifying the introduction path of the water flow, reducing the water flow resistance, and improving the water flow efficiency; the first opening 22 of the filter rod is in communication with the water outlet end 13 of the filter bottle 1, ensuring that the filtered water can flow directly from the water outlet end 13, which helps to reduce the residence time of the water flow inside the filter core and improve the filtering efficiency; in addition, the water inlet end 12 and the water outlet end 13 protrude from the side surface of the filter bottle 1, making it more convenient to connect the external connecting pipe to the water inlet end 12 and the water outlet end 13. The outer surfaces of the water inlet end 12 and the water outlet end 13 are each provided with a sealing ring to ensure the sealing of the connection between the water inlet end 12 and the water outlet end 13 and the external connecting pipe, prevent water leakage, and improve the reliability and safety of the entire water purification device.
[0036] In an embodiment, the inner wall of the cavity 11 is provided with a mounting groove 151, and one end of the filter rod 2 provided with the first opening 22 is located in the mounting groove 151. In the above structure, the mounting groove 151 is additionally provided on the inner wall of the cavity 11 for fixing one end of the filter rod 2. The mounting groove 151 provides mounting and support for the filter rod 2, improves the installation stability of the filter rod 2, and enhances the structural stability of the entire filter core. In addition, the mounting groove 151 also provides installation guidance for the filter rod 2, so that the filter rod 2 is more easily aligned and fixed in the correct position, simplifying the installation process of the filter rod 2, reducing the installation time, and improving the production efficiency. Therefore, the mounting groove 151 provides better positioning and stability, which can reduce the maintenance cost caused by displacement or damage of the filter core. It should be noted that the mounting groove 151 has a ring structure, and the cross-sectional shape of the mounting groove 151 is matched with the cross-sectional shape of the filter rod, which can reduce the damage of the filter rod caused by improper assembly and improve the reliability of the product.
[0037] In an embodiment, the side wall of the mounting groove 151 is provided as an inclined surface, and the bottom wall of the mounting groove 151 has a diameter larger than that of the third opening of the mounting groove 151. In the above structure, the side wall of the mounting groove 151 is provided as an inclined surface, i.e., the side wall of the mounting groove 151 forms an angle with the bottom wall, and the diameter of the bottom wall of the mounting groove 151 is larger than that of the third opening, i.e., the direction from the third opening to the bottom wall of the mounting groove 151 is gradually tapered. The inclined surface of the mounting groove 151 can make the carbon rod more easily slide into the mounting groove 151, which helps to disperse the stress during installation of the filter rod 2.
[0038] In an embodiment, the filter bottle 1 includes a bottle body 14 and a cover body 15. The bottle body 14 is internally provided with a cavity 11, and one end of the bottle body 14 is provided with a second opening 141. The cover body 15 is fixedly connected to one end of the bottle body 14 provided with the second opening 141. The bottle body 14 and the cover body 15 are two independent components, which are convenient to manufacture separately and reduce the production difficulty. The cover body 15 is fixedly connected (such as spin welding, threaded connection, buckle, etc.) to one end of the bottle body 14 provided with the second opening 141, which ensures the stability and sealing performance of the filter bottle 1. In addition, the cover body 15 is fixedly connected to one end of the bottle body 14 provided with the second opening 141, which ensures the stability and sealing performance of the filter bottle 1. The bottle body 14 is provided as a cylindrical structure, which provides sufficient space for the cavity 11 to accommodate the filter rod 2, and also has the advantages of simple structure, easy manufacturing, and easy integration into various water purification equipment.
[0039] In an embodiment, the cap 15 and the bottle 14 are connected by spin welding. The principle of spin welding is that one of the cap 15 or the bottle 14 is rotated at high speed and is pressed against the other fixed workpiece to generate friction heat between the two workpieces, so that the matching surfaces between the two workpieces are melted and fused together to form a permanent connection. The spin welding process can provide a high-strength and good-sealing connection between the cap 15 and the bottle 14. In the spin welding process, no additional material is introduced into the weld, and environmental factors do not need to be considered, thus simplifying the welding process. It should be noted that the cap 15 and the bottle 14 are both made of plastic materials.
[0040] In an embodiment, the water inlet end 12 and the water outlet end 13 are arranged on the cap 15. By integrating the water inlet end 12 and the water outlet end 13 on the cap 15, the structure of the filter bottle is more compact, which is convenient for installation and maintenance, and can avoid the need to add additional connecting components between the bottle 14 and the outside, i.e., no additional adapter is needed, so that the overall structure of the filter core is more compact, and the connection of external pipes and operation is more simple, and the user can more easily connect and disconnect the waterway. In addition, since the water inlet end 12 and the water outlet end 13 are directly arranged on the cap 15, the number of additional joints and connection points is reduced, thereby reducing the risk of water leakage.
[0041] In an embodiment, the installation groove 151 is arranged on the side of the cap 15 connected to the bottle 14. By arranging the installation groove 151 on the cap 15, the installation operation between the filter stick 2 and the cap 15 is facilitated, and the assembly and disassembly efficiency of the filter core can be improved.
[0042] The technical solution of the present application forms a water passage by arranging a groove 21 on the filter stick 2 along the axis, and the groove 21 is provided with a first opening 22. The filter stick 2 is arranged in the cavity 11 of the filter bottle 1, so that one end of the filter stick 2 provided with the first opening 22 is sealingly connected to the inner wall of the cavity 11. The filter core makes the water flow through the filter stick 2 to achieve filtration and output filtered water from the water passage. Since the conventional filter core needs to be assembled into a water purification device after the bare stick is matched with the upper and lower end covers, there is a problem of high defective rate of the filter core due to complicated production and manufacturing processes. Therefore, the filter core in the present application directly sealingly connects one end of the filter stick 2 to the inner wall of the cavity 11, which not only reduces the complexity of the production process, but also reduces the generation of defective products due to improper operation, and effectively improves the yield of the product.
[0043] The present application also provides a water purification device, which comprises the filter core. The specific structure of the filter core is referred to the above embodiments. Since the water purification device adopts all the technical solutions of the above embodiments, it at least has all the beneficial effects brought by the technical solutions of the above embodiments, which will not be repeated here.
[0044] The above merely describes exemplary embodiments of the present application, and is not intended to limit the patent scope of the present application. Any equivalent structural transformation, direct / indirect application in other related technical fields, or the like, made based on the technical concept of the present application, using the content of the present application specification and drawings, is included in the patent protection scope of the present application.
Claims
1. A filter cartridge, characterized by, The filter bottle comprises: a filter bottle, an inner part of which is provided with a cavity; a filter rod, which is provided with a groove along an axis to form a water passage, and the groove is provided with a first opening; and one end of the filter rod provided with the first opening is in sealing connection with an inner wall of the cavity.
2. The filter cartridge of claim 1 wherein, The groove extends from one end of the filter rod to the other end of the filter rod, and the filter rod comprises a bottom plate part and a side wall part.
3. The filter cartridge of claim 1 wherein, An adhesive layer is arranged between the filter rod and the inner wall of the cavity.
4. The filter cartridge of any one of claims 1 to 3, wherein, The filter bottle is provided with a water inlet end and a water outlet end; the cavity is in communication with the water inlet end; and the first opening is in communication with the water outlet end.
5. The filter cartridge of claim 4 wherein, An installation groove is arranged on the inner wall of the cavity, and one end of the filter rod provided with the first opening is located in the installation groove.
6. The filter cartridge of claim 5 wherein, A side wall of the installation groove is provided as an inclined surface, and a bottom wall of the installation groove has a diameter greater than that of a third opening of the installation groove.
7. The filter cartridge of claim 5 wherein, The filter bottle comprises a bottle body and a cover body; the bottle body is internally provided with the cavity; one end of the bottle body is provided with a second opening; and the cover body is in fixed connection with one end of the bottle body provided with the second opening.
8. The filter cartridge of claim 7 wherein, The cover body and the bottle body are connected by spin welding.
9. The filter cartridge of claim 7 wherein, The water inlet end and the water outlet end are arranged on the cover body; and / or The installation groove is arranged on one side of the cover body connected with the bottle body.
10. A water purification apparatus characterized by comprising: The filter core comprises any one of the filter cores according to claims 1 to 9.