TWI522158B - Water filtration device - Google Patents

Description

Water filter

The present invention relates to a water filtering device, and more particularly to a water filtering device suitable for filtering kitchen water, household bath water, drinking water, and aquaculture water.

Water filtration can be roughly divided into single layer filtration and multi-layer filtration. In the prior art of single layer filtration, the new M431018 "disposable water faucet device" patent discloses the filtration of a single filter material, however, it must abandon the entire water filter device in the replacement of the new filter material. In addition, the new M381707 "water-saving filter for faucet" and M244384 "water outlet pipe structure with filter function" and other patent cases, although the use of the new filter material does not need to abandon the entire water filter device, but only provide a single filter material Filter function.

In the prior art of multi-layer filtration, such as the new M436071 "filter head structure", M367697 "bathing device", M276613 "cross-type water guiding filter" and 524247 "change bathing water quality device" and other patent cases, although it can provide a variety of filter material filtration The effect, but the individual filter media cannot be replaced, the entire filter unit must be discarded. In addition, the new M302401 "water purifier", M309963 "structure improvement of the shower" and the invention I280149 "filter structure" and other patent cases reveal the structure that can be replaced individually, but the process of replacing the filter material is complicated. Moreover, it is inconvenient, that is, the component must be disassembled to replace the filter material, and even all the filter materials need to be taken out, and then the filter material to be replaced is replaced; after the replacement is completed, all the filter materials are stacked one by one, and finally, detached again. The components are mounted, so the process of replacing the filter material is not convenient.

Therefore, how to achieve a water filtering device which has both multi-layer filtration and a simple replacement of a single or a plurality of filter materials has become a subject of further improvement of the present invention.

Accordingly, the main object of the present invention is to provide a water filtering device which is not only capable of providing a filtering effect of multi-layer filtration, but also is convenient in the operation of replacing the filter material, and can be targeted without removing any components. The filter media of different service life or the filter media can be replaced according to the requirements of different filtering effects, thereby improving the performance.

The water filtering device constructed according to the present invention comprises a combining unit, a plurality of carrying units, a plurality of filtering units and a fixing unit. The coupling unit comprises an annular coupling seat and spaced apart first and second rods, wherein the coupling seat is to be connected to a tool having a pipe, and the coupling seat has a through hole therein, the first The second rod extends along a longitudinal direction and individually includes a first end and a second end, and the first ends of the first and second rods are coupled to the joint. The plurality of carrying units are adjacent to each other along the longitudinal direction, and each of the carrying units includes a ring body having an accommodating space therein, and each of the carrying units further includes a pivoting portion and a joint portion, and the pivoting portion and the joint portion are respectively Positioned on an outer circumference of the ring body, the pivoting portion has a shaft hole through which the first rod body is passed, so that each carrying unit is pivotally coupled to the first rod body, the joint portion and the second portion The rod body is detachably coupled. Each filter unit is housed in a ring of a corresponding carrying unit, and each filter unit includes a ring wall having a chamber therein, and each chamber is used to load a filter medium. The fixing unit includes two fixing members, and the two fixing members are coupled to the second ends of the first and second rods so that the plurality of carrying units can be coupled to each other at the joint seat of the combining unit and the fixing unit. And the inner through hole of the joint, the inner accommodating space of each ring body, and the inner chamber of each filter unit are connected when the number of the load bearing unit is overlapped between the joint seat of the joint unit and the fixed unit through.

In one embodiment, the first and second rods are parallel to each other and are substantially 180 degrees apart in a direction around the joint. The pivot portion and the joint portion are 180 in a direction around the ring body. Separation of degrees. A filter screen is separately disposed on the first end and the second end of the ring wall.

In an embodiment, an end surface of the ring body at the second end of the first and second rod bodies is provided with an engaging portion for connecting to a pipeline.

Other objects, advantages and features of the present invention will become apparent from

1. The first rod 1a. the first end
1b. Second end 10. Binding unit
11. Combination seat 111. Through hole
2. Second rod 2a. First end
2b. Second end
3. Carrying unit 31. Pivot part
311. Shaft hole 32. Joint
321. recess 33. ring body
331. accommodation space 332. first opening
333. Abutment 334. Second opening
335. Groove 336. Sealing ring
4. Filter unit 40. Ring wall
41. The first filter screen 42. The second filter screen
43. Room 44. Filter material
5. Fixing unit 51, 52. Fixing parts
9. Water filter device 90. Water filter device
C. Adapter D. Water dispenser
F. Faucet S. shower head
W. pipeline

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective view showing a water filtering device and a joint constructed in accordance with a first embodiment of the present invention.
Figure 2 shows a schematic view of the water filtering device of Figure 1 mounted on a faucet.
Figure 3 is an exploded view of the water filtering device of Figure 1.
4 is a cross-sectional view showing the water filtering device, the adapter, and the faucet of FIG. 2.
Figure 5 is a schematic view showing the filter material replacement of the water filtering device of Figure 2.
Figure 6 shows a schematic view of the ring body of Figure 5 pivoted about the first shaft.
Fig. 7 is a perspective view showing a water filtering device constructed in accordance with a second embodiment of the present invention.
Figure 8 is an exploded view of the water filtering device of Figure 7.
Figure 9 is a schematic view showing the application of the water filtering device of Figure 7 to the showerhead.
Figure 10 is a schematic view showing the water filtering device of Figure 7 applied to a water dispenser.

The technical content of the present invention will now be described as an example only, but not by way of limitation, and with reference to the accompanying drawings.

1 to 6 show a water filtering device 9 according to a first embodiment of the present invention. The water filtering device 9 includes a combining unit 10, a plurality of carrying units 3, a plurality of filtering units 4, and a fixing unit 5. The bonding unit 10 includes a substantially annular coupling seat 11 and spaced apart first and second rods 1 and 2. The joint 11 is used for connection with a tool having a pipe. In the embodiment, the tool is a faucet F, and the joint 11 is connected to the lower end pipe of the faucet F by a joint C, and the joint The inside 11 has a through hole 111 that can communicate with the pipe of the faucet F. The first and second rods 1 and 2 extend along a longitudinal direction and individually include first ends 1a, 2a and second ends 1b, 2b. The first ends 1a, 2a are individually connected to the bottom of the binding seat 11, The second ends 1b, 2b have external threads (not numbered). In the present embodiment, the first and second rods 1, 2 are parallel to each other and are separated by 180 degrees in the direction around the joint 11.

In the present embodiment, the water filtering device 9 comprises four carrying units 3 and four filtering units 4. The four carrying units 3 are stacked on each other and are joined together by the first rod 1 of the joining unit 10. Each of the carrying units 3 includes a ring body 33 having an accommodating space 331 therein. The first end (the upper end in FIG. 4) of the ring body 33 forms a first opening 332 communicating with the accommodating space 331. The ring body 33 The inner wall of the first end is provided with an annular groove 335, and a sealing ring 336 is embedded in the groove 335. The inner wall of the second end (the lower end in FIG. 4) of the ring body 33 protrudes inwardly to form an annular abutting portion 333. The abutting portion 333 defines a second portion opposite to the first opening 332. Opening 334. Each of the carrying units 3 further includes a pivoting portion 31 and a joint portion 32. The pivoting portion 31 and the joint portion 32 are formed separately from the outer periphery of the ring body 33 and are formed around the ring body 33. The direction is 180 degrees apart. The pivoting portion 31 has a shaft hole 311 through which the first rod body 1 is passed, so that the ring body 33 of each carrying unit 3 is pivotally coupled to the first rod body 1. Each of the joint portions 32 has an arcuate recess 321 that is engaged with the second rod body 2 such that each joint portion 32 forms a detachable tight fit with the second rod body 2.

Each filter unit 4 is accommodated in a receiving space 331 of the ring body 33 of the corresponding carrying unit 3 and supported by the abutting portion 333. Each filter unit 4 includes a ring wall 40 (see Fig. 4) having a chamber 43 therein. Each chamber 43 is used to load a filter 44. In the present embodiment, the first end (upper end) and the second end (lower end) of the ring wall 40 are separately provided with the first filter 41 and the second filter 42 so that the filter 44 can be loaded in the chamber 43 and The water to be filtered can be filtered through the filter material 44 in the chamber 43. The filter medium 44 is not limited to a granular shape, and may have a layered or sheet-like structure. In this embodiment, each filter unit 4 is loaded with different filter materials to achieve different treatment effects. The filter material may be activated carbon, medical stone, ceramic magnetic particles, copper-zinc alloy (KDF), polypropylene (polypropylene, PP) filter material. Or ion exchange resin and the like. It is worth mentioning that the filter unit 4 and the carrying unit 3 can be made of a transparent material, so that the user can visually observe whether the filter material has reached saturation saturation, for example, exhibiting a color change (for example, when the color of the KDF changes from gold to copper to dark green). When it is indicated that KDF has adsorbed too much heavy metal) or is dirty (for example, when the color of PP is dirty).

The fixing unit 5 includes two fixing members 51 and 52. In the embodiment, each fixing member is a nut having an internal thread. The internal threads of the two fixing members 51, 52 can be combined with the external threads of the second ends 1b, 2b of the first and second rods 1, 2.

In the implementation of the assembly of the water filtering device 9 of the present invention, the plurality of filtering units 4 are individually placed in the accommodating space 331 of the ring body 33 of the number of carrying units 3, and the number of the carrying units 3 is pivoted one by one. The portion 31 is inserted from the second end 1b of the first rod 1 toward the first end 1a, and then screwed to the second ends of the first and second rods 1, 2 by fixing members 51, 52, respectively. 1b, 2b, and rotating the number of carrying units 3 to combine the joint portions 32 with the second rod body 2, the number of the load carrying units 3 will be coupled to each other in the joint seat 11 of the joint unit 10 and the fixing Between the units 5 (see FIG. 4); wherein the inner through hole 111 of the joint seat 11, the inner accommodating space 331 of each ring body 33, and the inner chamber 43 of each filter unit 4 are connected, and thus, from the faucet F After the outflowing water flows into the through hole 111 of the coupling seat 11, it will be filtered by the filter medium 44 through the chamber 43 of each filter unit 4, and then from the second and second rods 1, 2 The filter unit 4 of the ends 1b, 2b flows out for use. In addition, the water filtering device 9 can avoid the problem of water seepage by the arrangement of the sealing rings 336.

When the water filtering device 9 of the present invention is to be replaced after the use of the filter material 44 for a period of time, it is only necessary to move the fixing member 52 that is engaged with the second rod body 2 away from the first end 2a of the second rod body 2 Rotating, the joint portion 32 of the carrying unit 3 is disengaged from the second rod body 2, and then the ring body 33 of one of the carrying units 3 is pivoted by the first rod body 1 so that the filtering unit 4 can be self-contained When an opening 331 is taken out (see Fig. 5), a new filter material can be replaced. Thereafter, the carrying unit 3 is rotated back to combine the joint portion 32 with the second rod body 2, and finally, the fixing member 52 is rotated toward the first end 2a of the second rod body 2, so that the number of loads Unit 3 is close together. It can be understood that the user can also change the filter material due to the needs of different water filtering functions.

7 and FIG. 8 show a water filtering device 90 according to a second embodiment of the present invention, which differs from the first embodiment in that the water filtering device 90 further includes an engaging portion 6 disposed at the first portion. 1. One end surface (lower end surface) of the ring body 33 of the second ends 1b, 2b of the second rod body 1, 2 is connected to a pipe W (see Figs. 9, 10), wherein the figure is shown in Fig. 9. Both ends of the water filtering device 90 are individually connected to a shower head S and the pipe W; FIG. 10 shows that both ends of the water filtering device 90 are individually connected to a water dispenser D and the pipe W.

The water filtering device 9, 90 of the present invention provides a plurality of carrying units 3 which can carry different filter materials, so that the user can replace the filter materials according to the needs of different uses, and thus can widely meet various occasion requirements (family, public places or Traveling with) and applications (such as kitchen water, household bath water, drinking water, or aquaculture water). In addition, as long as the load bearing unit 3 is rotated, the filter material can be easily replaced for different use period of the filter material or according to the requirements of different filter effects, and after the filter material is replaced, the load bearing unit 3 is turned back and positioned in the second rod body 2 On, you can continue to use. Since the water filtering device 9, 90 can be achieved without replacing any components in the operation of replacing the filter material, the use efficiency can be improved, and the market acceptance can be promoted.

In the foregoing specification, the invention has been described in terms of a particular embodiment, and various changes or modifications may be made in accordance with the features of the invention. Therefore, obvious substitutions and modifications may be made by those skilled in the art, and will still be incorporated in the scope of the claimed invention.

1. The first rod 1b. the second end
11. Combination seat 111. Through hole
2. Second rod 2b. Second end
31. The pivoting portion 32. the joint portion
33. Ring body 331. accommodating space
332. First opening 333. Abutment
334. Second opening 335. Groove
336. Sealing ring 4. Filter unit
41. The first filter screen 42. The second filter screen
43. Room 44. Filter material
51. Fixing parts 52. Fixing parts
C. Adapter F. faucet

Claims (7)

[Item 1] A water filtering device comprising:
a combination unit comprising an annular coupling seat and spaced apart first and second rods, the coupling seat being used for connection with a tool having a pipe, the coupling seat having a through hole therein, The first and second rods extend along a longitudinal direction and individually include a first end and a second end, and the first ends of the first and second rods are coupled to the joint;
a plurality of carrying units, the plurality of carrying units are adjacent to each other along the longitudinal direction, and each of the carrying units includes a ring body having an accommodating space therein, and each of the carrying units further includes a pivoting portion and a joint portion, the pivoting portion and the pivoting portion The joint portion is located at an outer periphery of the ring body, and the pivot joint has a shaft hole through which the first rod body is passed, so that each load bearing unit is pivotally coupled to the first rod body, the joint portion and the joint portion are The second rod body is detachably coupled;
a plurality of filter units, each of the filter units being housed in a ring of a corresponding carrying unit, each filter unit comprising a ring wall having a chamber therein, each chamber for loading a filter material; and a fixed unit comprising two fixing members, The two fixing members are respectively combined with the second ends of the first and second rods, so that the plurality of carrying units can be stacked between the binding seat of the combining unit and the fixing unit, and when the number of carrying units are stacked When disposed between the joint of the joint unit and the fixed unit, the inner through hole of the joint, the inner accommodation space of each ring body and the inner chamber of each filter unit are in communication. [Item 2] The water filtering device of claim 1, wherein the first and second rods are parallel to each other and are separated by 180 degrees in a direction around the joint, and the pivoting portion and the joint are attached to the ring. The surrounding direction of the body is approximately 180 degrees apart. [Item 3] A water filtering device according to claim 1 or 2, wherein a filter screen is separately provided at the first end and the second end of the ring wall. [Item 4] According to the water filtering device of claim 1 or 2, an end portion of the ring body at the second end of the first and second rod bodies is provided with an engaging portion for connecting to a pipe. [Item 5] The water filtering device of claim 1 or 2, wherein the first end and the second end of the ring body individually form a first opening and a second opening communicating with the accommodating space, the first end of the ring body The inner wall is provided with an annular groove, and a sealing ring is embedded in the groove. The inner wall of the second end of the ring body is provided with an annular abutting portion, and the second opening is defined in the abutting portion, and each filtering The unit is supported by the abutment in the corresponding carrier unit. [Item 6] The water filtering device of claim 1 or 2, wherein the joint portion of the ring body has an arcuate recess corresponding to the second rod body, and the second ends of the first and second rod bodies have The external thread is a nut having an internal thread, and the internal threads of the two fixing members are correspondingly combined with the external threads of the second ends of the first and second rods. [Item 7] The water filter device of claim 1 or 2, wherein the second ends of the first and second rods have external threads, and each of the fixing members is a nut having an internal thread, and the internal threads of the two fixing members are The external threads of the second ends of the first and second rods are correspondingly combined.