Filter cartridge mounting structure for an outdoor water container bottle

Abstract

The utility model belongs to outdoor container technical field especially relates to filter core mounting structure of outdoor water container bottle, and outdoor water container bottle includes bottle body, bottle lid and filter core, bottle body has a mouth part, and the outside of mouth part is equipped with outer thread, and the inside of bottle lid is equipped with inner thread who cooperates and connects with outer thread, and is equipped with water outlet structure on bottle lid, the inner top wall of bottle lid is equipped with the fixed ring of downward extension, and the inner ring of fixed ring is equipped with first clamping portion, and the outside of upper end of filter core is equipped with second clamping portion and sealing ring, and the upper end of filter core is inserted into fixed ring, and second clamping portion is engaged with first clamping portion, and sealing ring is pasted with the inner wall of fixed ring, and filter core and fixed ring enclose a cavity, and water outlet structure is communicated with cavity, the mouth part is equipped with limit support part still, and limit support part is used for the limit and support fixed ring. The structure of filter core and bottle lid installation is simple, and it is convenient to install and dismount, after installing, can prevent the problem of filter core loosening.

Description

Technical Field

[0001] This utility model belongs to the field of outdoor drinking water bottle technology, and in particular relates to a filter element installation structure for an outdoor water container bottle. Background Technology

[0002] People engaged in outdoor activities typically carry high-quality portable water purifiers to effectively remove organic sediment, rust, suspended solids, dust, various pathogens, bacteria and microorganisms, and odors from water. Furthermore, water purifiers are urgently needed to ensure emergency drinking water safety during natural disasters such as floods, earthquakes, landslides, and mudslides, as well as sudden water pollution incidents. Current water purifiers consist of a bottle body, a cap, and a filter, with the filter located on the bottom of the cap before it is closed.

[0003] For example, Chinese utility model patent document CN209628949U discloses a water bottle including a filter assembly. The filter assembly is detachably connected to the bottle cap and is located within a first body. The filter assembly has a filter element. Water in the first body flows out of the first body after passing through the filter element. The filter element filters impurities from the water.

[0004] For example, Chinese utility model patent document CN210493627U discloses a water bottle with a filter element, including a bottle body. A sleeve is installed at the bottle mouth of the bottle body, and a filter assembly for filtering water is installed on the sleeve. A receiving groove for accommodating the filter assembly is formed at the bottom of the sleeve. The filter assembly includes a filter cylinder and a filter element housed within the filter cylinder. An installation groove is formed on the periphery of the filter cylinder, and a snap-fit ​​element is installed inside the installation groove. The snap-fit ​​element is slidably connected to the installation groove. The snap-fit ​​element includes a connecting plate, a snap-fit ​​block, and a spring for pushing the connecting plate. The snap-fit ​​block is installed at one end of the connecting plate. A snap-fit ​​groove is formed on the wall of the receiving groove for the snap-fit ​​block to snap into. When installing the filter cylinder, the filter cylinder can be pressed against the opening of the receiving groove and pushed. The receiving groove exerts an opposing force on the snap-fit ​​block on the filter cylinder. Under the action of the guide surface, the force applied by the receiving groove to the snap-fit ​​gradually tends to be perpendicular to the direction of the mounting groove, thereby pressing the snap-fit ​​block into the mounting groove, making the installation method simpler and less labor-intensive.

[0005] For example, Chinese patent document CN210559714U discloses a portable outdoor water purifier bottle, which includes a bottle cap, a flexible bottle body, and a water purification structure. The water purification structure includes a primary purification structure and a secondary purification structure. The bottle cap has a water inlet, which is connected to the secondary purification structure through a water flow channel. The bottle cap and the primary purification structure are connected by threads. The secondary purification structure is connected to the primary purification structure by threads. One end of the primary purification structure is sealed, and the other end is a water outlet, which is connected to the secondary purification structure. The flexible bottle body is connected to the bottle cap by threads.

[0006] It is evident that existing outdoor water purifiers utilize a filter cartridge located inside the bottle cap to filter water to meet drinking water standards. However, the technical solutions disclosed in the aforementioned patent documents involve the filter cartridge being attached to the bottle cap using either an elastic snap-fit ​​or a threaded connection. For the snap-fit ​​method, an installation groove is formed on the periphery of the filter cartridge, and a snap-fit ​​component is installed inside the groove. The snap-fit ​​component is slidably connected to the groove and includes a connecting plate, a snap-fit ​​block, and a spring for pushing the connecting plate, resulting in a complex overall structure. Furthermore, the sealing ring is located on the top side of the filter cartridge. If the snap-fit ​​structure becomes loose or wears down, a gap will form between the filter cartridge and the sealing ring, allowing filtered water to enter and potentially leading to the consumption of unfiltered water.

[0007] The filter cartridge is connected to the bottle cap by a thread. Since the filter cartridge is immersed in water and during outdoor activities, the threads of the filter cartridge may loosen, resulting in some water in the water bottle being consumed directly without being filtered. Utility Model Content

[0008] The purpose of this utility model is to provide a filter element installation structure for outdoor water containers, which simplifies the installation of the filter element and the bottle cap, facilitates installation and disassembly, and prevents the filter element from becoming loose after installation.

[0009] To achieve the above objectives, this utility model provides a filter element installation structure for an outdoor water container bottle. The outdoor water container bottle includes a bottle body, a bottle cap, and a filter element. The bottle body has an opening, and the outer side of the opening is provided with an external thread. The inner side of the bottle cap is provided with an internal thread that engages with the external thread. The bottle cap is provided with a water outlet structure. The inner top wall of the bottle cap is provided with a downwardly extending fixing ring. The inner ring of the fixing ring is provided with a first snap-fit ​​portion. The upper outer side of the filter element is provided with a second snap-fit ​​portion and a sealing ring. The upper end of the filter element extends into the fixing ring. The second snap-fit ​​portion engages with the first snap-fit ​​portion. The sealing ring fits against the inner side wall of the fixing ring. The filter element and the fixing ring form a cavity. The water outlet structure communicates with the cavity. The opening is also provided with a limiting support portion, which is used to hold the fixing ring.

[0010] Furthermore, the first snap-fit ​​part is provided on the protrusion of the inner sidewall of the fixing ring; the second snap-fit ​​part is provided on the recess at the upper end of the filter element.

[0011] Furthermore, the protrusion is an annular protrusion structure, and the recess is an annular groove structure.

[0012] Furthermore, the first snap-fit ​​portion is located at the upper end of the fixing ring, the upper end of the outer ring of the fixing ring is provided with a sealing cone surface, the limiting support portion is located at the upper end of the opening, and the limiting support portion and the sealing cone surface are pressed together to form a sealing structure.

[0013] Furthermore, the upper inner side of the mouth is also provided with a funnel-shaped opening to prevent air leakage.

[0014] Furthermore, a limiting ring is provided on the outer side of the filter element, which is used to limit the filter element to the bottom side of the fixing ring.

[0015] Furthermore, the filter element includes a housing and a filter element disposed within the housing, with the second snap-fit ​​portion and sealing ring disposed at the upper end of the housing.

[0016] The filter cartridge installation structure for outdoor water containers provided in this embodiment of the utility model has at least the following technical effects: 1. The upper end of the filter element is equipped with a sealing ring. The sealing ring fits tightly against the inner wall of the fixing ring. Therefore, even if the filter element moves downward, the sealing ring can still play a sealing and waterproof role, preventing water from entering the cavity directly without filtration.

[0017] 2. A first snap-fit ​​part and a second snap-fit ​​part are respectively provided on the inner side of the fixing ring and the outer side of the filter element. When the filter element is combined with the bottle cap, the upper end of the filter element is inserted into the fixing ring, and the second snap-fit ​​part engages with the first snap-fit ​​part, making assembly convenient and the structure simple.

[0018] 3. After the filter element and bottle cap are combined, the bottle cap and bottle body are combined again. The limiting support part at the bottle cap opening limits and holds the fixing ring, thereby avoiding the problem of the first locking part and the second locking part separating due to deformation of the fixing ring. This allows the filter element to be stably held inside the bottle cap after combination. After the bottle cap and bottle body are separated, the filter element can be easily disassembled for cleaning. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 A cross-sectional view of an outdoor water container bottle provided for an embodiment of this utility model.

[0021] Figure 2 A cross-sectional view of the cap portion of an outdoor water container bottle provided in an embodiment of this utility model.

[0022] Figure 3 A cross-sectional view of the filter element of an outdoor water container bottle provided in an embodiment of this utility model.

[0023] Figure 4 A cross-sectional view of the bottle body of an outdoor water container provided for an embodiment of the present utility model. Detailed Implementation

[0024] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the embodiments of this utility model, and should not be construed as limiting the utility model.

[0025] In the description of the embodiments of this utility model, it should be understood that the terms "length", "width", "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 drawings. They are only for the convenience of describing the embodiments of this utility model 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 utility model.

[0026] Furthermore, 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 indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0027] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; 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; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.

[0028] For one embodiment of the outdoor water container bottle of this utility model, please refer to... Figures 1 to 4The outdoor water container bottle of this embodiment can purify water from outdoor sources for direct drinking and is easy to carry. Specifically, the outdoor water container bottle of this embodiment includes a bottle body 100, a bottle cap 200, and a filter element 300. The bottle body 100 has a mouth 110, and the outer side of the mouth 110 is provided with an external thread 111. The inner side of the bottle cap 200 is provided with an internal thread 201 that mates with the external thread 111. The bottle cap 200 is provided with a water outlet structure 210. The inner top wall of the bottle cap 200 is provided with a downwardly extending fixing ring 220. The inner ring of the fixing ring 220 is provided with a first snap-fit ​​portion 221. The upper outer side of the filter element 300 is provided with a second snap-fit ​​portion 320 and a sealing ring 310. The upper end of the filter element 300 extends into the fixing ring 220. The second snap-fit ​​portion 320 engages with the first snap-fit ​​portion 221, and the sealing ring 310 is attached to the inner side wall of the fixing ring 220. The filter element 300 and the fixing ring 220 form a cavity 202, and the water outlet structure 210 communicates with the cavity 202. In this embodiment, the filter element 300 and the bottle cap 200 are combined to form an integral structure. The water to be purified can be bottled in the bottle body 100. The integral structure formed by the bottle cap 200 and the filter element 300 is then assembled with the bottle body 100. When drinking, the water in the bottle body 100 is filtered by the filter element 300 and enters the cavity 202, and then is discharged from the water outlet structure 210 for drinking.

[0029] Further, please refer to Figures 1 to 4 The mouth 110 of the outdoor water container bottle in this embodiment is also provided with a limiting support part 112, which is used to limit, support and retain the fixing ring 220.

[0030] In the above embodiments, please refer to Figures 1 to 4 The upper end of the filter element 300 is provided with a sealing ring 310, which is sealed and fits tightly against the inner wall of the fixing ring 220. Therefore, even if the filter element 300 shifts downward, the sealing ring 310 can still provide a sealing and waterproof effect, preventing water from the bottle from entering the cavity 202 directly without filtration. In addition, a first snap-fit ​​part 221 and a second snap-fit ​​part 320 are respectively provided on the inner side of the fixing ring 220 and the outer side of the filter element 300. When the filter element 300 is assembled with the bottle cap 200, the upper end of the filter element 300 is inserted into the fixing ring 220, and the second snap-fit ​​part 320 engages with the first snap-fit ​​part 221, making assembly convenient and the structure simple. After the filter element 300 is combined with the bottle cap 200, the bottle cap 200 is combined with the bottle body 100 again. The fixing ring 220 is limited and held by the limiting support part 112 of the opening 110 of the bottle cap 100, thereby avoiding the problem of the first locking part 221 and the second locking part 320 disengaging due to the deformation of the fixing ring 220. After the filter element 300 is combined, it can be stably held inside the bottle cap 200. After the bottle cap 200 is separated from the bottle body 100, the filter element can be easily disassembled for cleaning.

[0031] For preferred options, please refer to [the provided text]. Figures 1 to 4 The first engaging portion 221 is a protrusion on the inner sidewall of the retaining ring 220. The second engaging portion 320 is a recess on the upper end of the filter element 300. More preferably, the first engaging portion 221 is an annular protrusion structure, and the second engaging portion 320 is an annular groove structure. When the filter element 300 is assembled into the retaining ring 220, the annular protrusion engages with the annular groove, thereby achieving engagement between the filter element 300 and the retaining ring 220.

[0032] For further details, please refer to... Figures 1 to 4 The first snap-fit ​​portion 221 is located at the upper end of the fixing ring 220. The upper end of the outer ring of the fixing ring 220 is provided with a sealing cone surface 222. The limiting support portion 112 is located at the upper end of the opening 110. The limiting support portion 112 and the sealing cone surface 222 form a sealing structure to prevent water leakage. Specifically, in this embodiment, when the bottle cap 200 is combined with the bottle body 100, the opening 110 is screwed into the bottle cap 200. The limiting support portion 112 abuts against the sealing cone surface 222. As the opening 110 continues to be screwed into the bottle cap 200, the limiting support portion 112 compresses the sealing cone surface 222, so that the first snap-fit ​​portion 221 can hold the second snap-fit ​​portion 320 tightly, and the connection between the filter element 300 and the bottle cap 200 is more stable.

[0033] For further details, please refer to... Figures 1 to 4 The upper inner side of the mouth 110 is also provided with a flared mouth 113 to avoid gaps. The flared mouth 113 forms a guide structure to facilitate the screwing of the mouth 110 into the bottle cap 200, and at the same time can reduce the contact area between the mouth 110 and the sealing cone surface 222, and reduce the resistance of the mouth 110 being screwed in.

[0034] For further details, please refer to... Figures 1 to 4 The filter element 300 is also provided with a limiting ring 330 on the outside, which is used to limit the filter element 300 to the bottom side of the fixing ring 220.

[0035] For further details, please refer to... Figures 1 to 4 The filter element 300 includes a housing 301 and a filter element 302 disposed within the housing 301. A second snap-fit ​​portion 320 and a sealing ring 310 are disposed at the upper end of the housing 301.

[0036] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A filter element installation structure for an outdoor water container bottle, the outdoor water container bottle comprising a bottle body, a bottle cap, and a filter element; the bottle body having an opening, the outer side of the opening being provided with external threads, the inner side of the bottle cap being provided with internal threads that mate with the external threads, and the bottle cap being provided with a water outlet structure; characterized in that, The inner top wall of the bottle cap is provided with a downwardly extending fixing ring. The inner ring of the fixing ring is provided with a first snap-fit ​​portion. The upper outer side of the filter element is provided with a second snap-fit ​​portion and a sealing ring. The upper end of the filter element extends into the fixing ring. The second snap-fit ​​portion engages with the first snap-fit ​​portion. The sealing ring fits against the inner side wall of the fixing ring. The filter element and the fixing ring form a cavity. The water outlet structure communicates with the cavity. The opening is also provided with a limiting support portion, which is used to hold the fixing ring.

2. The filter element installation structure for outdoor water container bottles according to claim 1, characterized in that: The first snap-fit ​​part is provided on the protrusion of the inner sidewall of the fixing ring; the second snap-fit ​​part is provided on the recess at the upper end of the filter element.

3. The filter element installation structure for outdoor water container bottles according to claim 2, characterized in that: The protrusion is an annular protrusion structure, and the recess is an annular groove structure.

4. The filter element installation structure for an outdoor water container bottle according to any one of claims 1 to 3, characterized in that: The first snap-fit ​​part is located at the upper end of the fixing ring, the upper end of the outer ring of the fixing ring is provided with a sealing cone surface, the limiting support part is located at the upper end of the opening, and the limiting support part and the sealing cone surface are pressed together to form a sealing structure.

5. The filter element installation structure for outdoor water container bottles according to claim 4, characterized in that: The upper inner side of the mouth is also provided with a funnel-shaped opening to prevent air leakage.

6. The filter element installation structure for outdoor water container bottles according to claim 1, characterized in that: The filter element is also provided with a limiting ring on its outer side, which is used to limit the filter element to the bottom side of the fixing ring.

7. The filter element installation structure for outdoor water container bottles according to claim 1, characterized in that: The filter element includes a housing and a filter element disposed within the housing, with the second snap-fit ​​portion and sealing ring disposed at the upper end of the housing.

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