Filter cartridge attachment device

Abstract

The present application provides a filter core connecting device for preventing liquid leakage of a filter core unit when swinging. The filter core connecting device comprises a first connecting pipe and a fixing member. The first connecting pipe is inserted into an open end of the filter core unit and has a first stop portion. The first connecting pipe is rotatably connected to the fixing member, and the rotation axis of the first connecting pipe is perpendicular to the structural longitudinal direction of the filter core unit. The fixing member comprises a first broken hole structure and a first blocking piece. The first connecting pipe passes through the first broken hole structure to be inserted into the open end. The first blocking piece is arranged adjacent to the hole rim of the filter core unit at the first broken hole structure to block the first stop portion. A first limiting member is arranged on one side of the fixing member relative to the filter core unit. The first limiting member is attached to the fixing member. The first blocking piece and the first limiting member cooperate to limit the movement of the first connecting pipe relative to the filter core unit.

Description

Technical Field

[0001] This invention provides a filter element connection device, and more particularly a swing-type filter element connection device that allows the filter element unit to swing freely without leaking liquid. Background Technology

[0002] With technological advancements, consumers use various water filtration devices to improve their quality of life. Traditional water filtration devices come in several types. Simple water filtration devices resemble kettles, filtering water directly from the tap. Wall-mounted water filtration devices are installed on the water supply line, allowing filtered water to flow directly from the tap. Simple water filtration devices have easy-to-install and remove filter units, but are generally inconvenient to use. Wall-mounted water filtration devices are very convenient to use, but they are usually installed under the sink, making filter unit installation and removal somewhat difficult. Traditional filter connection devices use a two-way connecting pipe between the filter unit and the water pipe, but the filter unit often detaches from the water pipe and becomes misaligned, causing leaks. Traditional connection devices only address the positioning of the filter unit relative to the water pipe at a specific angle; for example, they can only be fixed to the wall above the filter unit to lock their relative position. If the filter unit wobbles due to unexpected vibration, there is a risk of leakage even when connected.

[0003] Therefore, designing a filter element connection device that allows the filter element unit to swing freely without leaking liquid is one of the development goals of the relevant design industry. Summary of the Invention

[0004] The purpose of this invention is to provide a filter element connection device that allows the filter element unit to swing freely without leaking liquid, so as to solve the above-mentioned problems.

[0005] To achieve the above objectives, the present invention provides a filter element connection device to prevent liquid leakage from a filter element unit during oscillation. It includes a first connecting pipe for insertion into an open end of the filter element unit, the first connecting pipe having a first stop portion;

[0006] A fixing member is provided, wherein the first connecting pipe is rotatably connected to the fixing member, and the axis of rotation of the first connecting pipe is perpendicular to the longitudinal direction of the filter element unit. The fixing member comprises:

[0007] A first perforation structure, through which the first connecting tube passes to be inserted into the opening end;

[0008] as well as

[0009] A first baffle plate is disposed near the edge of the filter element in the first perforation structure to block the first stop portion; and,

[0010] A first limiting member is disposed on one side of the fixing member relative to the filter element unit. The first limiting member is attached to the fixing member. The first baffle cooperates with the first limiting member to restrict the movement of the first connecting pipe relative to the filter element unit.

[0011] Preferably, the filter element connection device further includes:

[0012] A second connecting pipe, used to be inserted into the other open end of the filter element unit, the second connecting pipe having a second stop portion; and

[0013] The fastener also includes:

[0014] A second perforation structure, through which the second connecting tube passes to be inserted into the other open end; and

[0015] The second baffle is disposed near the edge of the filter element in the second perforation structure to block the second stop portion and restrict the movement of the second connecting pipe relative to the filter element.

[0016] Preferably, the fastener includes a first section, a second section and a third section, the first section and the second section are symmetrically connected to the two opposite ends of the third section, the first perforation structure is disposed in the first section, the second perforation structure is disposed in the second section, and the rotation axis of the first connecting pipe in the first perforation structure is aligned with the rotation axis of the second connecting pipe in the second perforation structure.

[0017] Preferably, it also includes a second limiting member, wherein the first limiting member and the second limiting member are respectively disposed on both sides of the fixing member relative to the filter element unit; the second limiting member is attached to the fixing member, and the second baffle cooperates with the second limiting member to restrict the movement of the second connecting pipe relative to the filter element unit.

[0018] Preferably, the first connecting pipe also has a first abutment top, disposed next to the first stop portion, for passing through the first perforation structure to abut against the outer surface of the filter element unit.

[0019] Preferably, the first limiting member has a first fastening portion that is inserted into the corresponding fastening groove of the fixing member to position the first limiting member on one side of the fixing member; the fixing member has a first release hole formed adjacent to the corresponding fastening groove, the first release hole for inserting an external element to push the external element away from the corresponding fastening groove by pushing the first fastening portion.

[0020] Preferably, it also includes a bridging member that is detachably connected to the fixing member so that another filter element unit is connected in parallel to the filter element unit; the fixing member has a slot disposed in a section of the fixing member where the first perforation structure is located, and one end of the bridging member is detachably inserted into the slot to connect to the fixing member;

[0021] The bridging component includes a body, a pin end, and a fixing end. The pin end and the fixing end are respectively located on two opposite sides of the body. The pin end is detachably inserted into the slot, and the fixing end is fixed to the other filter element unit on the side opposite to the filter element unit.

[0022] Preferably, the fixed end includes a third perforation structure and a third baffle, the third perforation structure allowing another connecting pipe to pass through, and the third baffle blocking the other connecting pipe to restrict the movement of the other connecting pipe relative to the other filter element unit.

[0023] Preferably, the fastener also has a second release hole formed adjacent to the slot, the second release hole for inserting an external element to push the external element against the pin end to separate it from the slot.

[0024] Preferably, a water filtration device includes: a filter element unit, and the filter element connecting device.

[0025] Compared with the prior art, the filter element connection device of the present invention uses a fixing member to allow the connecting tube to be inserted coaxially into the opening end of the filter element unit, and then uses a detachable limiting member to be coaxially pressed onto the connecting tube and the fixing member. It can also selectively use a bridging member to assist the fixing member in connecting multiple filter element units together, so as to achieve the purpose of convenient swinging and replacement of filter element units while having better leak-proof reliability. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the appearance of the swing-type filter element connecting device according to an embodiment of the present invention.

[0027] Figure 2 This is a partially exploded view of the swing-type filter element connecting device according to an embodiment of the present invention.

[0028] Figure 3 This is a structural cross-sectional view of the swing-type filter cartridge connecting device according to an embodiment of the present invention.

[0029] Figure 4 and Figure 5 This is a partial structural cross-sectional view of the swing-type filter cartridge connecting device according to an embodiment of the present invention.

[0030] Figure 6 This is a schematic diagram of some components of the swing-type filter element connection device according to an embodiment of the present invention.

[0031] Figure 7 This is a schematic diagram of the swing-type filter element connecting device of the present invention rotating to other angles relative to the filter element unit according to an embodiment of the present invention. Detailed Implementation

[0032] To provide a further understanding of the purpose, structure, features, and functions of the present invention, detailed descriptions are provided below with reference to specific embodiments.

[0033] Certain terms are used in the specification and claims to refer to specific elements. It will be understood by those skilled in the art that manufacturers may use different names to refer to the same element. This specification and claims do not distinguish elements by differences in name, but rather by differences in function. The term "comprising" throughout the specification and claims is an open-ended term and should be interpreted as "comprising but not limited to".

[0034] The filter cartridge connecting device 10 in this embodiment of the invention is a swing-type filter cartridge connecting device 10. Please refer to [link / reference]. Figures 1 to 7 , Figure 1 This is a schematic diagram of the appearance of the swing-type filter element connecting device 10 according to an embodiment of the present invention. Figure 2 This is a partially exploded view of the swing-type filter element connecting device 10 according to an embodiment of the present invention. Figure 3 This is a cross-sectional view of the structure of the swing-type filter element connecting device 10 according to an embodiment of the present invention. Figure 4 and Figure 5 This is a partial structural cross-sectional view of the swing-type filter element connecting device 10 according to an embodiment of the present invention. Figure 6 This is a schematic diagram of some components of the swing-type filter element connecting device 10 according to an embodiment of the present invention. Figure 7 This is a schematic diagram of the swing-type filter element connection device 10 rotating relative to the filter element unit 12 at other angles according to an embodiment of the present invention. The swing-type filter element connection device 10 is used to prevent liquid leakage from the filter element unit 12 during swinging, and allows for convenient replacement of the filter element unit 12 regardless of the swinging angle; for example Figure 1 and Figure 7 As shown, the swing-type filter element connection device 10 can be fixed on the wall above or to the side of the filter element unit 12 (as shown by the dotted line pattern), making it suitable for various environments and giving it better product competitiveness.

[0035] The swing-type filter cartridge connecting device 10 may include a first connecting pipe 14, a second connecting pipe 16, and a fixing member 18. The first connecting pipe 14 and the second connecting pipe 16 are rotatably connected to the fixing member 18, and then respectively inserted into the two open ends 20 of the filter cartridge unit 12, such as the outlet end and the inlet end of the filter cartridge unit 12. The first connecting pipe 14 may have a first stop portion 22 and a first abutment top 24. The two ends of the first connecting pipe 14 can be respectively inserted into the open ends 20 of different filter cartridge units 12, and waterproof gaskets 74 can be fitted onto both ends of the first connecting pipe 14 to fill the gap between the first connecting pipe 14 and the open ends 20 to prevent water leakage. The first stop portion 22 and the first abutment top 24 are located in the middle section of the first connecting pipe 14. The first abutment top 24 may be located next to the first stop portion 22 and extend towards both ends of the first connecting pipe 14.

[0036] The second connecting pipe 16 may have a second stop portion 26 and a second abutment top 28. Both ends of the second connecting pipe 16 can be inserted into the opening ends 20 of different filter element units 12, and the second stop portion 26 and the second abutment top 28 are located in the middle section of the second connecting pipe 16. The second abutment top 28 may be located beside the second stop portion 26 and extend towards both ends of the second connecting pipe 16. Generally, the structural features of the first connecting pipe 14 will be the same as or similar to the structural features of the second connecting pipe 16, and the first connecting pipe 14 and / or the second connecting pipe 16 preferably have a bilaterally symmetrical design; however, practical applications are not limited to this.

[0037] The fastener 18 can be divided into a first section 30, a second section 32, and a third section 34 connected to each other. The first section 30 and the second section 32 are symmetrically arranged at opposite ends of the third section 34, giving the fastener 18 a U-shaped structure. The fastener 18 may include a first perforation structure 36, a second perforation structure 38, a first baffle 40, and a second baffle 42. The first perforation structure 36 is located in the first section 30, and the first baffle 40 is located at the edge of the filter element unit 12 adjacent to the first perforation structure 36. The second perforation structure 38 is located in the second section 32, and the second baffle 42 is located at the edge of the filter element unit 12 adjacent to the second perforation structure 38.

[0038] During the assembly of the swing-type filter element connecting device 10, the fixing member 18 can be placed on the filter element unit 12 first, so that the first perforation structure 36 and the second perforation structure 38 of the fixing member 18 are respectively aligned with the two open ends 20 of the filter element unit 12. Then, the first connecting tube 14 passes through the first perforation structure 36 to be inserted into one of the open ends 20 of the filter element unit 12, and the second connecting tube 16 passes through the second perforation structure 38 to be inserted into the other open end 20 of the filter element unit 12; the fixing member 18 will use the first baffle 40 and the second baffle 42 to block the first stop portion 22 of the first connecting tube 14 and the second stop portion 26 of the second connecting tube 16 respectively, thereby restricting the movement of the first connecting tube 14 and the second connecting tube 16 relative to the filter element unit 12 to achieve a limiting effect.

[0039] In addition, the first abutment 24 of the first connecting pipe 14 passes through the first perforation structure 36 of the fixing member 18 to abut against the outer surface 44 of the filter element unit 12, and the second abutment 28 of the second connecting pipe 16 passes through the second perforation structure 38 of the fixing member 18 to abut against the other outer surface 44 of the filter element unit 12. In this way, the rotation axis Ra1 of the first connecting pipe 14 can be perpendicular to the structural longitudinal direction SL of the filter element unit 12, and the rotation axis Ra2 of the second connecting pipe 16 is also perpendicular to the structural longitudinal direction SL of the filter element unit 12. That is, the rotation axis Ra1 of the first connecting pipe 14 in the first perforation structure 36 will be aligned with the rotation axis Ra2 of the second connecting pipe 16 in the second perforation structure 38. The purpose is to ensure that the inlet and outlet of the combination of the swing filter element connecting device 10 and the filter element unit 12 can be kept coaxial.

[0040] Furthermore, the swing-type filter element connecting device 10 may further include a first limiting member 46 and a second limiting member 48, respectively disposed on both sides of the fixing member 18 relative to the filter element unit 12. The first limiting member 46 and the second limiting member 48 are attached to the fixing member 18 to prevent the first connecting pipe 14 and the second connecting pipe 16 from separating from the fixing member 18. The first limiting member 46 and the second limiting member 48 are respectively attached to both sides of the fixing member 18 and press the first connecting pipe 14 and the second connecting pipe 16 to prevent the first connecting pipe 14 and the second connecting pipe 16 from detaching from the fixing member 18 and the filter element unit 12. The features of the first limiting member 46 may be the same as or similar to the features of the second limiting member 48. Taking the first limiting member 46 as an example, the first limiting member 46 may have a first fastening part 50, which is used to insert into the fastening groove of the fixing member 18 (not marked in the figure), so that the first limiting member 46 can be stably positioned on the fixing member 18; the aforementioned fastening groove may be set in the first hole structure 36 of the fixing member 18, or set on the end edge or outer surface of the first section 30, but the actual application is not limited to this.

[0041] Accordingly, the fastener 18 may optionally have a first release hole 52, formed in the first section 30 and / or the second section 32 adjacent to the latching groove. The user can insert an external element (not shown in the figures) into the first release hole 52 to push the first latching part 50 away from the latching groove, thereby separating the first limiting member 46 from the fastener 18. Generally, the external element can be designed as a thin rod, the diameter of which will be less than or equal to the diameter of the first release hole 52; as long as the diameter of the first release hole 52 meets the requirements, the external element can also be a pen tip, screw, or even a finger, etc., and its possible variations will not be described in detail.

[0042] The aforementioned fastener 18 is used to install the first connecting pipe 14 and the second connecting pipe 16 on a single filter element unit 12, while the swing-type filter element connecting device 10 of the present invention also has the function of connecting multiple filter element units 12 in series. For example, the swing-type filter element connecting device 10 may further include a bridging member 54, which is detachably connected to the fastener 18 so that another filter element unit 12A can be connected in parallel to the filter element unit 12. The bridging member 54 may include a body 56, a pin end 58, and a fixing end 60. The pin end 58 and the fixing end 60 are respectively disposed on two opposite sides of the body 56. The fixing end 60 may include a third perforation structure 62 and a third baffle 64, the structure and function of which are the same as the first perforation structure 36 and the first baffle 40, and / or the second perforation structure 38 and the second baffle 42 of the fastener 18, and will not be described again here.

[0043] The fixing member 18 has a corresponding slot 66, which is located in the first section 30 where the first perforation structure 36 is located or in the second section 32 where the second perforation structure 38 is located, depending on the assembly method of the bridging member 54 and the fixing member 18. The shape of the slot 66 is designed to match the shape of the pin end 58, and will not be described further here. When multiple filter units 12 are to be connected in series, the pin end 58 of the bridging member 54 can be detachably inserted into the slot 66 of the fixing member 18 to lock the buckle part 70 of the fixing member 18. The fixing end 60 of the bridging member 54 is then fixed to the side of another filter unit 12A opposite to the filter unit 12. The third perforation structure 62 of the fixing end 60 allows another connecting pipe 68 to pass through, and the third baffle 64 of the fixing end 60 blocks the other connecting pipe 68 to restrict its movement relative to the other filter unit 12A, thus achieving the purpose of series connection. For quick assembly and disassembly of the bridging component 54, a second release hole 72 can be provided in the fixing member 18, which is formed in the first section 30 and / or the second section 32 adjacent to the latching portion 70 in the slot 66. The user can remove the bridging component 54 from the fixing member 18 by inserting an external component (not marked in the drawings) into the second release hole 72 to push the pin end 58 to separate the latching portion 70 in the slot 66.

[0044] In summary, the swing-type filter cartridge connecting device of the present invention inserts the first connecting pipe and the second connecting pipe coaxially into the perforated structure of the fixing member and the two open ends of the filter cartridge unit. The abutting parts of the first connecting pipe and the second connecting pipe abut against the first baffle and the second baffle of the fixing member, respectively, while the abutting tops of the first connecting pipe and the second connecting pipe abut against the opposite outer surfaces of the filter cartridge unit. Then, the first limiting member and the second limiting member respectively fasten the two sides of the fixing member to press the first connecting pipe and the second connecting pipe to prevent them from detaching from the fixing member and the filter cartridge unit. To connect multiple filter cartridge units in series, the pin end of the bridging member can be inserted into the slot of the fixing member, and the second connecting pipe and another connecting pipe can be coaxially inserted into the two open ends of another filter cartridge unit. Other limiting members can be used to fasten the fixed end of the bridging member to achieve the purpose of series connection. Compared to prior art, the swing-type filter cartridge connection device of the present invention uses a fixing member to allow the connecting tube to be inserted coaxially into the open end of the filter cartridge unit, and then uses a detachable limiting member to be coaxially pressed onto the connecting tube and the fixing member. Selectively, a series-connectable bridging member can be used to assist the fixing member in connecting multiple filter cartridge units together, so as to achieve the purpose of convenient swinging and replacement of filter cartridge units while having better leak-proof reliability.

[0045] In addition, the present invention also proposes a water filtration device, which includes the above-mentioned filter element unit 12 and filter element connecting device 10.

[0046] The present invention has been described in the above-described embodiments; however, these embodiments are merely examples for implementing the present invention. It must be noted that the disclosed embodiments do not limit the scope of the present invention. Conversely, any modifications and refinements made without departing from the spirit and scope of the present invention are within the scope of patent protection of the present invention.

Claims

1. A filter element connection device for preventing liquid leakage from a filter element unit during oscillation, the filter element connection device comprising: A first connecting tube is used to be inserted into an open end of the filter element unit, and the first connecting tube has a first stop portion; A fixing member is provided, wherein the first connecting pipe is rotatably connected to the fixing member, and the axis of rotation of the first connecting pipe is perpendicular to the longitudinal direction of the filter element unit. The fixing member comprises: A first perforation structure, through which the first connecting tube passes to be inserted into the open end; and A first baffle plate is disposed near the edge of the filter element in the first perforation structure to block the first stop portion; and, A first limiting member is disposed on one side of the fixing member relative to the filter element unit. The first limiting member is attached to the fixing member. The first baffle cooperates with the first limiting member to restrict the movement of the first connecting pipe relative to the filter element unit.

2. The filter element connecting device as described in claim 1, characterized in that, The filter element connection device also includes: A second connecting pipe, used to be inserted into the other open end of the filter element unit, the second connecting pipe having a second stop portion; and The fastener also includes: A second perforation structure, through which the second connecting tube passes to be inserted into the other open end; and The second baffle is disposed near the edge of the filter element in the second perforation structure to block the second stop portion and restrict the movement of the second connecting pipe relative to the filter element.

3. The filter element connecting device as described in claim 2, characterized in that, The fastener includes a first section, a second section and a third section. The first section and the second section are symmetrically connected to the two opposite ends of the third section. The first perforation structure is disposed in the first section, the second perforation structure is disposed in the second section, and the first connecting pipe is aligned with the rotation axis of the first perforation structure with the rotation axis of the second connecting pipe in the second perforation structure.

4. The filter element connecting device as described in claim 2, characterized in that, It also includes a second limiting member, wherein the first limiting member and the second limiting member are respectively disposed on both sides of the fixing member relative to the filter element unit; the second limiting member is attached to the fixing member, and the second baffle cooperates with the second limiting member to restrict the movement of the second connecting pipe relative to the filter element unit.

5. The filter element connecting device as described in claim 1, characterized in that, The first connecting pipe also has a first abutment top, which is disposed next to the first stop portion and is used to pass through the first perforation structure to abut against the outer surface of the filter element unit.

6. The filter element connecting device as described in claim 5, characterized in that, The first limiting member has a first fastening portion that is inserted into the corresponding fastening groove of the fixing member to position the first limiting member on one side of the fixing member; the fixing member has a first release hole formed adjacent to the corresponding fastening groove, the first release hole for inserting an external element to push the external element away from the first fastening portion from the corresponding fastening groove.

7. The filter element connecting device as described in claim 1, characterized in that, It also includes a bridging member that detachably connects to the fixing member so that another filter element unit is connected in parallel to the filter element unit; the fixing member has a slot disposed in a section of the fixing member where the first perforation structure is located, and one end of the bridging member is detachably inserted into the slot to connect to the fixing member; The bridging component includes a body, a pin end, and a fixing end. The pin end and the fixing end are respectively located on two opposite sides of the body. The pin end is detachably inserted into the slot, and the fixing end is fixed to the other filter element unit on the side opposite to the filter element unit.

8. The filter element connecting device as described in claim 7, characterized in that, The fixed end includes a third perforation structure and a third baffle. The third perforation structure allows another connecting pipe to pass through, while the third baffle blocks the other connecting pipe to restrict its movement relative to the other filter element unit.

9. The filter element connecting device as described in claim 7, characterized in that, The fastener also has a second release hole formed adjacent to the slot, the second release hole for inserting an external component to push the external component against the pin end to separate it from the slot.

10. A water filtration device, characterized in that, include: A filter element unit, and a filter element connection device as described in any one of claims 1-9.

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