TW202337541A - Filter assembly for purifying water - Google Patents

Abstract

A filter assembly for purifying water includes an assembling seat, and a filter cartridge. The assembling seat has a water transmission tube, a rotating inner lining, and a base. The water transmission tube is combined to the base. The rotating inner lining is rotatably disposed between the water transmission tube and the base. The rotating inner lining has at least one anti-fake protrusion that is downward extended and protruded outside the bottom surface of the base. The filter cartridge has a filtering housing, a water transmission stem. The top wall of the filter cartridge has at least one anti-fake recess. The at least one anti-fake protrusion is able to insert the anti-fake recess correspondingly, so as to provide anti-fake function. In addition, when the filter cartridge is assembled to the assembling base, the at least one anti-fake protrusion can be driven by the filter cartridge, so that the rotating inner lining can be rotated related to the water transmission tube from a water-stop status to a communication status.

Description

Filter set for water purification

The invention relates to a filter core set for water purification, and in particular, to a water purification equipment combination used in water purification and water filtration equipment.

In recent years, due to water quality safety issues, efforts have been made to obtain clean water. Water purifiers (water filters) are already commonly used water purification and water filtration equipment.

Existing water purifiers (water filters) all have at least one filter element, and the filter element can be assembled on a filter element head, or a mounting base. There is a filter material inside the filter core, which can be reverse osmosis, activated carbon, organic filter cloth, etc. After the bacteria, harmful substances, organic substances and suspended solids in the raw water are filtered by the filter material, clean water is sent out from the outlet of the filter core for people to drink or use. At present, the sources of filters purchased by the public are mainly from original manufacturers or off-brand manufacturers. When off-brand manufacturers maliciously imitate, it will cause doubts about the use of the product, and the filter element is mistakenly installed on the incorrect filter head (mounting base). , it may also cause the filter element to fail to function properly.

The technical problem to be solved by the present invention is to provide a filter core set for water purification in view of the shortcomings of the existing technology, which can provide a better anti-counterfeiting structure to prevent consumers from misusing the filter core of unknown origin and avoid misinstallation of the filter core. .

In addition, the anti-counterfeiting structure of the present invention can further achieve automatic water stopping and water inlet functions during the process of installing or replacing the filter element.

In order to solve the above technical problems, one of the technical solutions adopted by the present invention is to provide a filter core set for water purification, which includes a mounting base and a filter core. The mounting base has a water delivery pipe, a rotating lining, and a base. The water delivery pipe is combined with the base. The rotating lining is rotatably disposed between the water delivery pipe and the base. The base The base has at least a first engaging portion and a limiting protrusion protruding downward from the bottom surface of the base. The rotating lining has at least one anti-counterfeiting protrusion extending downward and protruding from the base. the bottom surface. The filter core has a filter core housing, a water delivery rod core, and at least one second engaging portion. The water delivery rod core is disposed on the top wall of the filter core housing. The at least one second engaging portion is disposed on the top wall of the filter core housing. In the water delivery rod core, the top wall of the filter housing has at least one anti-counterfeiting recessed hole and a limiting groove; the at least one anti-counterfeiting protrusion is correspondingly inserted into the at least one anti-counterfeiting recessed hole, and the at least one anti-counterfeiting protrusion The first engaging portion and the at least one second engaging portion can engage with each other so that the filter element can be detachably assembled on the mounting base. The base of the mounting base is provided with an assembly hole, and the assembly hole is connected to the inside of the base; when the filter element is assembled on the mounting base, the water transfer rod core can be inserted into the assembly hole, and the third An engaging portion and the second engaging portion can engage with each other, the limiting protrusion can move in the limiting groove, and the at least one anti-counterfeiting protrusion is driven by the filter core, so that the rotating lining can move relative to the filter core. As the water delivery pipe rotates, it rotates from the water-stop state to the connected state.

One of the beneficial effects of the present invention is that the filter core set for water purification provided by the present invention can not only provide anti-counterfeiting function, but also drive Rotate the inner lining to achieve automatic water stop and water inlet function during filter replacement.

In order to further understand the features and technical content of the present invention, please refer to the following detailed description and drawings of the present invention. However, the drawings provided are only for reference and illustration and are not used to limit the present invention.

The following is a specific example to illustrate the disclosed embodiments of the present invention. Those skilled in the art can understand the advantages and effects of the present invention from the content disclosed in this specification. The present invention can be implemented or applied through other different specific embodiments, and various details in this specification can also be modified and changed based on different viewpoints and applications without departing from the concept of the present invention. In addition, the drawings of the present invention are only simple schematic illustrations and are not depictions based on actual dimensions, as is stated in advance. The following embodiments will further describe the relevant technical content of the present invention in detail, but the disclosed content is not intended to limit the scope of the present invention.

It should be understood that although terms such as “first”, “second” and “third” may be used herein to describe various elements or signals, these elements or signals should not be limited by these terms. These terms are primarily used to distinguish one component from another component or one signal from another signal. In addition, the term "or" used in this article shall include any one or combination of more of the associated listed items depending on the actual situation.

Referring to Figures 1 to 4, the present invention provides a filter element set for water purification, which includes a mounting base 1 and a filter element 2. The mounting base 1 of this embodiment is slightly L-shaped, and its shape is not limited. The mounting base 1 can be fixed on the wall to be connected to a water inlet pipe (not shown). The filter core 2 can be detachably assembled on the base 11 of the mounting base 1 through rotation. The filter core 2 may be cylindrical, and a filter material (not shown) is provided inside the filter core 2. The filter material may be reverse osmosis, activated carbon, organic filter cloth, etc., and the type of filter material is not limited.

As shown in FIGS. 2 and 3 , the outer shell 10 is omitted for convenience of explanation. The mounting base 1 has an outer shell 10 , a base 11 , a water pipe 12 , and a rotating lining 13 . The outer shell 10 can be connected to a water inlet pipe (not shown) and a water outlet pipe (not shown). The base 11 covers the bottom of the outer shell 10 . The water delivery pipe 12 is combined and fixed to the base 11 , and the rotating lining 13 is rotatably disposed between the water delivery pipe 12 and the base 11 . The base 11 has at least a first engaging portion 115 and a limiting protrusion 116 . The first engaging portion 115 is preferably provided inside the mounting base 1 , and its number can be one, two or three. This embodiment has a pair of first engaging portions 115 located relatively at the inner edge of the assembly hole 110 . Referring to FIG. 1 and FIG. 3 , the limiting bump 116 protrudes downward from the bottom surface of the base 11 . The limiting bump 116 in this embodiment is integrally formed on the bottom surface of the base 11 and has a slightly inverted trapezoid shape, but is not limited to this. The rotating lining 13 has a lining body 130 , water inlet and outlet holes 131 , 132 , and at least one anti-counterfeiting protrusion 134 extending downward and protruding from the bottom surface of the base 11 . This embodiment has a pair of anti-counterfeiting protrusions 134 extending downwardly from the lining body 130 relative to each other. The water inlet and outlet holes 131 and 132 are formed in the upper half of the lining body 130 oppositely.

The structure of the water delivery pipe fitting 12 fixed to the base 11 is introduced as follows. The water delivery pipe fitting 12 is connected by three-level tubular bodies 120 with different pipe diameters from top to bottom. A pair of blocking fixing members 1124 protrudes from the inner wall surface of the outer ring wall 112 toward the inner ring wall 114 . A pair of assembly fixing blocks 124 protrude outward from the bottom of the water pipe 12 . The pair of blocking fixing members 1124 fix the pair of assembly fixing blocks 124 to fix the water pipe 12 on the base 11 . Described from another perspective, the pair of blocking fixing members 1124 can press the water pipe 12 against the assembly plate 111 of the base 11 . The bottom edge of the rotating lining 13 is pressed against the outside of the inner ring wall 114 by the water pipe 12 .

The filter core 2 has a filter core housing 21 , a water delivery rod core 23 , and at least a second engaging portion 25 . The filter housing 21 may be a cylindrical hollow housing to accommodate the filter material. The water transfer rod core 23 is disposed on the top wall 22 of the filter housing 21 . The second engaging parts 25 are arranged around the water delivery rod core 23 , and the number of the second engaging parts 25 may correspond to the first engaging parts 115 . This embodiment has a pair of second engaging portions 25 protruding relatively outward from around the root of the water delivery pole core 23 . The second engaging portion 25 is composed of two hollow polygonal tube walls, thereby providing some elasticity to elastically contact the first engaging portion 115 .

The base 11 of the mounting base 1 is provided with an assembly hole 110 , and the assembly hole 110 is connected to the interior of the base 11 . The water delivery rod core 23 of the filter core 2 is provided with a plurality of water inlets and outlets 231, 232. The assembly hole 110 is connected to the water delivery pipe fitting 12 of the mounting base 1. The water delivery pipe fitting 12 can be connected to the water inlet and outlet of the filter core 2. 231 and 232 are connected.

As shown in Figures 4 and 6, when the mounting base 1 and the filter element 2 are to be assembled, the first engaging part 115 and the second engaging part 25 can be located in staggered positions (as shown in Figure 6), and the filter element 2 can be assembled. After one end of the core 2 is inserted into the mounting base 1, and then the mounting base 1 and the filter core 2 are rotated to a predetermined angle, the first engaging portion 115 and the second engaging portion 25 can engage with each other (as shown in Figure 9 ), so that the filter element 2 can be detachably assembled on the mounting base 1.

As shown in FIG. 1 , the filter core set for water purification of the present invention can provide the function of anti-counterfeiting identification. The top wall 22 of the filter core housing 21 has at least one anti-counterfeiting recessed hole 222 . The shape of the anti-counterfeiting protrusion 134 corresponds to the shape of the anti-counterfeiting concave hole 222 . At least one anti-counterfeiting protrusion 134 is correspondingly inserted into the at least one anti-counterfeiting recessed hole 222 . In this embodiment, the number of the anti-counterfeiting protrusions 134 and the anti-counterfeiting concave holes 222 is one pair. When the user installs the wrong filter element, it will not be able to cooperate with the anti-counterfeiting protrusion 134 and cannot complete the installation. This prevents the user from replacing the wrong or inappropriate filter element.

As shown in FIGS. 2 and 3 , in conjunction with the anti-counterfeiting protrusion 134 , the assembly plate 111 of the base 11 forms at least one guide groove 113 penetrating therethrough. The number of guide grooves 113 can match the number of anti-counterfeiting protrusions 134 . This embodiment has a pair of guide grooves 113 located between the inner ring wall 114 and the outer ring wall 112 . The anti-counterfeiting protrusions 134 of the rotating lining 13 correspondingly pass through the guide grooves 113 to protrude from the bottom surface of the base 11 . The guide groove 113 can limit the rotation angle of the rotating lining 13 .

As shown in Figures 1, 5, and 8, the top wall 22 of the filter housing 21 also has a limiting groove 226. When one end of the filter element 2 is correctly inserted into the mounting base 1 , the limiting bump 116 is located in the limiting groove 226 . When the filter core 2 rotates relative to the mounting base 1, the limiting groove 226 is displaced relative to the limiting protrusion 116, thereby providing guidance and limiting functions. In other words, as shown in FIG. 5 , when one end of the filter element 2 is correctly inserted into the mounting base 1 , the limiting bump 116 is located at one end of the limiting groove 226 . As shown in FIG. 8 , after the installation of the filter core 2 relative to the mounting base 1 is completed, the limiting bump 116 is located at the other end of the limiting groove 226 , and the filter core 2 cannot rotate anymore. Specifically, the limiting groove 226 is in an arc shape of 90 degrees.

As shown in Figures 4 to 7, the filter element 2 of the present invention is inserted into the mounting base 1 and is not locked. When the filter core 2 is assembled on the mounting base 1, the water delivery rod core 23 of the filter core 2 can be inserted into the assembly hole 110 of the mounting base 1. By rotating the filter element 2, along the locking direction L in Figure 4, the second engaging portion 25 of the filter element 2 and the first engaging portion 115 of the mounting base 1 can engage with each other (see Figure 10), so that the filter element 2 can be detachably assembled on the mounting base 1. As shown in FIG. 7 , at this time, the water inlet and outlet holes 132 of the rotating lining 13 and the water inlet and outlet pipes 122 of the water delivery pipe 12 are staggered. The water inlet and outlet holes 131 of the rotating lining 13 are also staggered with the water inlet and outlet pipes 121 of the water delivery pipe fitting 12 (not shown). The water passing through the water delivery pipe 12 is blocked by the rotating lining 13 and is temporarily unable to circulate.

The filter core set for water purification provided by the present invention can not only provide anti-counterfeiting function by correspondingly inserting the anti-counterfeiting protrusion 134 into the at least one anti-counterfeiting recessed hole 222, but also drive the rotation of the lining 13 to replace the filter core. 2. Automatic water stop and water inflow function during the process.

As shown in Figures 8 to 10, the filter element 2 of the present invention is in a locked state after being rotated relative to the mounting base 1. When the filter core 2 is rotated, at least one anti-counterfeiting protrusion 134 can be driven by the filter core 2 , so that the rotating lining 13 can rotate relative to the water delivery pipe 12 . At this time, the water inlet and outlet holes 132 of the rotating lining 13 are connected to the water inlet and outlet pipes 122 of the water delivery pipe fitting 12, and the water inlet and outlet holes 131 of the rotating lining 13 are also connected to the water inlet and outlet pipes 121 of the water delivery pipe fitting 12 (not shown). Rotate from the water-stop state (refer to Figure 5 to Figure 7) to the connected state (refer to Figure 8 to Figure 10).

Through the above structural arrangement, the filter pack for water purification of the present invention can not only provide anti-counterfeiting function, but also drive the rotating lining 13 inside the mounting base 1 at the same time. During the installation of the filter core 2, the rotating inner lining 13 can block the inlet and outlet pipes 121 and 122 of the water pipe fitting 12 to provide a water-stopping function. After the installation of the filter core 2 is completed, the inner lining 13 is rotated to connect the filter core 2 to the water delivery pipe 12 .

When replacing the filter element 2, rotate the filter element 2 along the unlocking direction U in Figure 1 or Figure 4, and then the filter element 2 can be removed downward from the mounting base 1. The process does not require turning off the water.

[Beneficial effects of the embodiment]

One of the beneficial effects of the present invention is that the filter set for water purification provided by the present invention can not only provide anti-counterfeiting functions, but also provide Better anti-counterfeiting structure to prevent consumers from misusing filters of unknown origin. In addition, the rotating filter core 2 can drive the rotating lining 13, and the rotating lining 13 and the water delivery pipe 12 can be staggered or connected, thereby achieving the functions of automatic water stop and water inflow during the process of replacing the filter core 2.

The contents disclosed above are only preferred and feasible embodiments of the present invention, and do not limit the scope of the patent application of the present invention. Therefore, all equivalent technical changes made by using the description and drawings of the present invention are included in the application of the present invention. within the scope of the patent.

1:Mounting seat 10: Shell 11: base 110: Assembly hole 111:Assemble the board body 112: Outer ring wall 1124: Blocking fixings 113:Guide slot 114:Inner ring wall 1142: Stop bump 115: First engaging part 116:Limiting bump 12: Water pipe fittings 120: Tubular body 121, 122: Inlet and outlet pipes 124: Assembling the fixed block 13: Rotating lining 130: Lining body 131, 132: Inlet and outlet holes 134: Anti-counterfeiting convex parts 2:Filter core 21: Filter housing 22:top wall 222: Anti-counterfeiting concave hole 226:Limit slot 23: Water delivery rod core 231, 232: Water inlet and outlet 25: Second engaging part U:Unlocking direction L: Locking direction

Figure 1 is an exploded perspective view of the mounting seat and the filter element of the filter element set for water purification of the present invention.

Figure 2 is an exploded perspective view of the mounting seat of the filter element set for water purification of the present invention.

Figure 3 is another perspective exploded view of the mounting seat of the filter element set for water purification of the present invention.

Figure 4 is a perspective assembly view of the mounting base and the filter element of the filter element set for water purification of the present invention.

Figure 5 is a transverse cross-sectional view of the filter element set for water purification of the present invention in an unlocked state.

Figure 6 is another transverse cross-sectional view of the filter element set for water purification of the present invention in an unlocked state.

Figure 7 is a vertical cross-sectional view of the filter element set for water purification of the present invention in an unlocked state.

Figure 8 is a transverse cross-sectional view of the filter element set for water purification of the present invention in a locked state.

Figure 9 is another transverse cross-sectional view of the filter element set for water purification of the present invention in a locked state.

Figure 10 is a vertical cross-sectional view of the filter element set for water purification of the present invention in a locked state.

1:Mounting seat

10: Shell

11: base

110: Assembly hole

1142: Stop bump

115: First engaging part

116:Limiting bump

121:Inlet and outlet pipes

134: Anti-counterfeiting convex parts

2:Filter core

21: Filter housing

22:top wall

222: Anti-counterfeiting concave hole

226:Limit slot

23: Water delivery rod core

231, 232: Water inlet and outlet

25: Second engaging part

U:Unlocking direction

L: Locking direction

Claims (10)

A filter set for water purification, including: A mounting base with a water delivery pipe, a rotating lining, and a base. The water delivery pipe is combined with the base. The rotating lining is rotatably disposed between the water delivery pipe and the base. The base has at least a first engaging portion and a limiting protrusion protruding downward from the bottom surface of the base. The rotating lining has at least one anti-counterfeiting protrusion extending downward and protruding. on the bottom of the base; and A filter core, the filter core has a filter core housing, a water delivery rod core, and at least a second engaging portion. The water delivery rod core is disposed on the top wall of the filter core housing. The at least one second engagement portion The engaging portion is provided on the water delivery rod core, and the top wall of the filter housing has at least one anti-counterfeiting recessed hole and a limiting groove; the at least one anti-counterfeiting protruding piece is correspondingly inserted into the at least one anti-counterfeiting recessed hole. , the at least one first engaging part and the at least one second engaging part can engage with each other, so that the filter element can be detachably assembled on the mounting base; The base of the mounting base is provided with an assembly hole, and the assembly hole is connected to the inside of the base; when the filter element is assembled on the mounting base, the water transfer rod core can be inserted into the assembly hole, and the third An engaging portion and the second engaging portion can engage with each other, the limiting protrusion can move in the limiting groove, and the at least one anti-counterfeiting protrusion is driven by the filter core, so that the rotating lining can move relative to the filter core. As the water delivery pipe rotates, it rotates from the water-stop state to the connected state. The filter set for water purification as described in claim 1, wherein the top surface of the base of the mounting base has an inner ring wall and an outer ring wall, the inner ring wall surrounds the assembly hole, and the outer ring The wall is provided on the periphery of the inner annular wall, and the inner annular wall has at least one stop protrusion, and the at least one stop protrusion blocks the at least one second engaging portion of the filter core in an assembled position. The filter set for water purification as claimed in claim 2, wherein the inner wall surface of the outer ring wall protrudes toward the inner ring wall with a pair of blocking fixing members, and the bottom of the water delivery pipe protrudes with a pair of assembly fixing blocks outwards. , the pair of blocking fixing members fix the pair of assembly fixing blocks to fix the water pipe fitting on the base. The filter set for water purification according to claim 2, wherein the bottom edge of the rotating lining is pressed against the outside of the inner ring wall by the water delivery pipe. The filter set for water purification according to claim 1, wherein the base forms at least one guide groove, and the at least one anti-counterfeiting protrusion of the rotating lining passes through the at least one guide groove correspondingly to protrude from the The underside of the base. The filter core set for water purification according to claim 1, wherein the number of the first engaging parts is one pair, and the base of the mounting base has an assembly plate body, and the assembly plate surface faces the filter core The top wall, the assembly hole penetrates the assembly plate body, and the assembly hole is formed by partially extending outward along a diameter direction around a circular hole. The filter set for water purification according to claim 1, wherein the second engaging parts are a pair, the second engaging parts are composed of two hollow polygonal tube walls, and the pair of second engaging parts are composed of The periphery of the water delivery rod core relatively protrudes from. The filter set for water purification as claimed in claim 1, wherein the shape of the anti-counterfeiting convex part corresponds to the shape of the anti-counterfeiting recessed hole, and the number of the anti-counterfeiting convex part and the anti-counterfeiting recessed hole is one pair. The filter core set for water purification as described in claim 1, wherein the water delivery rod core of the filter core is provided with a plurality of water inlets and outlets, and the assembly hole is connected with the water delivery pipe fitting of the mounting base. The pipe fittings can be connected with the water inlets and outlets of the filter core. The filter set for water purification as described in claim 1, wherein the limiting groove is in a 90-degree arc shape.

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