TWI760042B - Filtering apparatus and disassembling method therefor - Google Patents

Abstract

A filtering apparatus is provided for filtering a liquid. The filtering apparatus includes at least one filtering module, which includes a filtering unit, an inlet opening, an outlet opening and an inlet switch. The inlet opening is connected to an inlet area of the filtering unit. The outlet opening is connected to an outlet area of the filtering unit. The inlet switch is configured to provide the inlet opening to be selectively connected or not connected to an outside space of the filtering module, for respectively allowing or prohibiting the liquid to flow into the filtering unit. Accordingly, it is advantageous in reducing the liquid leakage while changing the filtering module.

Description

Filter device and method of dismantling the same

The present invention relates to a filter device and a disassembly method thereof, and in particular, to a filter device including a water inlet switch and a disassembly method thereof.

With the advancement of science and technology and the importance of human beings on health, drinking or using good water quality has undoubtedly become an indispensable part of the pursuit of health. However, in order to maintain good water quality, the filter unit of drinking water or water-use filter device needs to be replaced regularly, and the filter device in the prior art usually requires professionals to prepare disassembly and assembly tools and the filter unit under the leaky water container. Therefore, the inconvenience of replacing the filter unit is caused, and the cost of enjoying good water quality in money and time is further increased.

Accordingly, there is a great need in the market for a filter device that is easy to disassemble and assemble the filter core unit, and can help reduce the cost of money and time required for disassembly and assembly of the filter core unit.

The present invention provides a filter device and a disassembly method thereof. The filter device includes at least one filter core module, through which the water inlet switch of the filter core module can selectively connect or disconnect the water inlet to the outside of the filter core module, so as to respectively Allows or prohibits liquid flow into the filter unit, which in turn helps reduce water leakage when replacing filter modules.

According to an embodiment of the present invention, a filter device is provided for filtering liquid, the filter device includes at least one filter core module, and the filter core module includes a filter core unit, a water inlet, a water outlet and a water inlet switch. The water inlet is communicated with the water inlet area of the filter core unit. The water outlet communicates with the water outlet area of the filter core unit. The water inlet switch can selectively connect the water inlet to the outside of the filter core module or not, so as to respectively allow or prohibit the liquid flowing into the filter core unit. In this way, it is helpful to reduce the amount of water leakage when replacing the filter core module.

In the embodiment of the filter device according to the present invention, the water inlet switch of the filter core module is displaceable for the water inlet to connect or not to the outside of the filter core module, and the water inlet switch includes a water inlet stopper. When the water inlet block does not block the water inlet, the water inlet communicates with the outside of the filter core module. When the water inlet block blocks the water inlet, the water inlet does not communicate with the outside of the filter core module.

In the embodiment of the filter device according to the present invention, the filter core unit and the water inlet switch can both be cylindrical, the length direction of the water inlet switch is perpendicular to the length direction of the filter core unit, and the water inlet switch, the water inlet and the water outlet are all located in the filter core. the same side of the heart unit.

In the embodiment of the filter device according to the present invention, the filter core module may further include a water outlet switch, which can displaceably connect the water outlet to or not communicate with the outside of the filter core module, so as to respectively allow or prohibit the liquid from flowing out of the filter core unit and the water outlet. The switch includes a water outlet stopper. When the water outlet block does not block the water outlet, the water outlet communicates with the outside of the filter core module. When the water outlet block blocks the water outlet, the water outlet does not communicate with the outside of the filter core module.

In the embodiment of the filter device according to the present invention, the number of filter core modules may be at least two, and the water outlet switch of one module in the filter core module is connected and abuts against the water inlet of another module in the filter core module. switch.

In the embodiment of the filtering device according to the present invention, the water inlet switch and the water outlet switch of the filter core module can be linked together, and the water inlet blocking portion and the water outlet blocking portion are both arranged inside the filter core module.

In the embodiment of the filter device according to the present invention, the filter core module may further include a casing, a water inlet elastic member and a water outlet elastic member. The shell accommodates the filter core unit, and the shape of the shell is cylindrical. The water inlet elastic part is connected to the water inlet switch. The water outlet elastic piece is connected to the water outlet switch. When the water inlet elastic member is in an elastic state, the water inlet blocking portion does not block the water inlet and cuts the outer casing. When the water inlet elastic member is in a released state, the water inlet blocking portion blocks the water inlet and protrudes out of the housing. When the water outlet elastic member is in the elastic state, the water outlet blocking part does not block the water outlet and cuts the outer casing. When the water outlet elastic member is in a released state, the water outlet blocking portion blocks the water outlet and protrudes out of the casing.

In the embodiment of the filter device according to the present invention, a pressing member may be further included, and the number of filter core modules is at least two. When the pressing member presses the water inlet switch and the water outlet switch of a module in the filter core module, each water inlet switch is forced so that each water inlet block does not block the corresponding water inlet, and each water outlet switch is blocked by Tighten so that each water outlet block does not block the corresponding water outlet.

In the embodiment of the filter device according to the present invention, the water outlet block of one module of the filter core modules and the water inlet block of the other module of the filter core modules can abut and be pressed against each other.

With the filter device of the foregoing embodiment, it is beneficial to reduce the complexity of replacement, disassembly and assembly of the filter core module.

According to another embodiment of the present invention, a method for disassembling a filter device is provided, which is used to disassemble a filter device, the filter device is used for filtering liquid, the filter device includes a frame body and at least one filter core module connected to each other, and the filter core module includes a water inlet, A water outlet, a water inlet switch and a water outlet switch, and the disassembly method of the filter device includes providing a water inlet switch to selectively connect or not communicate with the outside of the filter core module, so as to respectively allow or prohibit liquid from flowing into the filter core unit; Provide water outlet The switch can selectively connect or disconnect the water outlet to the outside of the filter core module to allow or prohibit the liquid from flowing out of the filter core unit; and separate the filter core module from the frame body, when the water inlet is not connected to the outside of the filter core module , and the water outlet is not connected to the outside of the filter core module. In this way, it is helpful to avoid water leakage when replacing the filter core module.

In an embodiment of the method for disassembling a filter device according to the present invention, the water inlet switch may include a water inlet blocking portion, and the water outlet switch may include a water outlet blocking portion. When the water inlet block does not block the water inlet, the water inlet communicates with the outside of the filter core module. When the water inlet block blocks the water inlet, the water inlet does not communicate with the outside of the filter core module. When the water outlet block does not block the water outlet, the water outlet communicates with the outside of the filter core module. When the water outlet block blocks the water outlet, the water outlet does not communicate with the outside of the filter core module.

In an embodiment of the filter device disassembly method according to the present invention, the number of filter core modules may be at least two, and the filter device disassembly method further includes providing a pressing member, so that the pressing member releases the pressure of one of the filter core modules. One switch in the water inlet switch and the water outlet switch, each water inlet switch is released so that each water inlet block blocks the corresponding water inlet, and each water outlet switch is released so that each water outlet block blocks the corresponding water outlet.

With the disassembly method of the filter device in the foregoing embodiment, it is convenient for ordinary users to disassemble and replace the filter core module by themselves, thereby enjoying good water quality with lower cost of money and time.

Several embodiments of the present invention will be described below with reference to the drawings. For the sake of clarity, many practical details are set forth in the following description. It should be understood, however, that these practical details should not be used to limit the invention. That is, in some embodiments of the present invention, these practical details are unnecessary. In addition, for the purpose of simplifying the drawings, some well-known and conventional structures and elements will be shown in a simplified and schematic manner in the drawings; and repeated elements may be denoted by the same reference numerals.

1A shows a top view of the filter device 100 according to the first embodiment of the present invention, and FIG. 1B shows a cross-sectional view according to the section line 1B-1B of FIG. 1A, wherein FIG. 1B is also a schematic diagram of the water stop state of the filter device 100, FIG. 1C is a schematic diagram illustrating a water-passing state (ie, a water-incoming state) of the filter device 100 according to FIG. 1B . Please refer to FIG. 1A to FIG. 1C , the filter device 100 is used for filtering liquid (not shown), such as water, but not limited thereto. The filter device 100 includes at least one filter core module 140 , and the filter core module 140 includes a filter core unit 145 , a water inlet 161 , a water outlet 181 and a water inlet switch 163 .

The water inlet 161 communicates with the water inlet area 146 of the filter core unit 145 , and the water outlet 181 communicates with the water outlet area 147 of the filter core unit 145 . The water inlet switch 163 selectively allows the water inlet 161 to communicate with or not communicate with the outside of the filter core module 140 , so as to allow or prohibit the flow of liquid into the filter core unit 145 , respectively. Thereby, it is helpful to reduce the amount of water leakage when the filter core module 140 is replaced, and has a water inflow insurance mechanism for controlling the water inflow switch 163 by external force.

In detail, the water inlet switch 163 of the filter core module 140 can displaceably allow the water inlet 161 to communicate or not communicate with the outside of the filter core module 140 , and the water inlet switch 163 includes a water inlet blocking portion 164 . When the water inlet blocking portion 164 does not block the water inlet 161 , the water inlet 161 communicates with the outside of the filter core module 140 . When the water inlet block 164 blocks the water inlet 161 , the water inlet 161 does not communicate with the outside of the filter core module 140 . Thereby, it is beneficial to reduce the complexity of replacement, disassembly and assembly of the filter core module 140 .

The filter unit 145 and the water inlet switch 163 can both be cylindrical, the length direction of the water inlet switch 163 is perpendicular to the length direction of the filter unit 145 , and the water inlet switch 163 , the water inlet 161 and the water outlet 181 are all located on the side of the filter unit 145 . Same side (a same direction outside of filter unit 145, ie not part of filter unit 145). Thereby, it is advantageous to directly use the water inlet switch 163 as a section of the water channel, and the water filtering direction F as shown in FIG. 1C is the water channel.

1D is a schematic cross-sectional view according to the section line 1D-1D of FIG. 1C. Please refer to FIGS. 1A to 1D. The filter core module 140 further includes a housing 142, which accommodates the filter core unit 145. The shape is cylindrical. The filter core module 140 may further include a water outlet switch 183, which can displaceably supply the water outlet 181 to communicate with or not communicate with the outside of the filter core module 140 to respectively allow or prohibit the liquid from flowing out of the filter core unit 145. The water outlet switch 183 includes a water outlet blocking portion. 184. When the water outlet blocking portion 184 does not block the water outlet 181 , the water outlet 181 communicates with the outside of the filter core module 140 . When the water outlet block 184 blocks the water outlet 181 , the water outlet 181 does not communicate with the outside of the filter core module 140 . In this way, it is helpful to avoid the phenomenon of water leakage when the filter core module 140 is replaced, and the water inlet and outlet safety mechanism for controlling the water inlet switch 163 and the water outlet switch 183 by external force is provided. Furthermore, the water outlet switch 183 is cylindrical, the length direction of the water outlet switch 183 is perpendicular to the length direction of the filter unit 145 , the water inlet switch 163 , the water outlet switch 183 , the water inlet 161 and the water outlet 181 are all located in the same one of the filter unit 145 . side.

In the water-passing state of the filter device 100 shown in FIGS. 1C and 1D, the water inlet switch 163 and the water outlet switch 183 are arranged in a straight line to form several parts of the water channel, and in the width direction of the filter unit 145, The length of the water inlet switch 163 plus the water outlet switch 183 is substantially equal to the width of the housing 142 . In the water channel, the water inlet block 164 of the water inlet switch 163 is used as a partition wall to completely isolate the water inlet area and the water outlet area in the water channel. The water channel formed by the O-ring of the water inlet switch 163 is for the passage of liquid. The opening 165 is at least partially aligned and communicated with the water inlet 161 (the communication area is the intersection of the opening 165 and the water inlet 161 in FIG. 1D ), so that the liquid flows from the opening 165 and the water inlet 161 into the water inlet area 146 of the filter unit 145 . The water outlet blocking portion 184 is the O-ring portion on the water outlet switch 183, the opening 185 of the water outlet switch 183 is arranged on the annular casing of the water outlet blocking portion 184, and the opening 185 of the water outlet switch 183 is at least partially aligned with the water outlet 181 to communicate ( The connected area is the intersection area of the opening 185 and the water outlet 181 in the enlarged view of Fig. 1D, wherein the backslashed area in the enlarged view of Fig. 1D represents the water outlet area 147 of the filter unit 145, the sprinkling point area represents the water outlet block 184, and the cross area represent other physical structures), so that the liquid flows from the water outlet area 147 of the filter core unit 145 through the water outlet 181 and the opening 185, and then flows into the water channel formed by the O-ring water outlet block 184.

Fig. 1E shows a side view of the filter device 100 according to Fig. 1A, and Fig. 1E is a left side view of the filter device 100 in Fig. 1C. Referring to FIGS. 1A to 1E, the number of filter core modules 140 may be at least two, and the water outlet switch 183 of one module of the filter core modules 140 is connected to and abuts against another module of the filter core modules 140 The water inlet switch 163. In this way, the filter core module 140 has a modular engineering design of quick disassembly and two-to-two connection, and the modular filter core module 140 in the filter device 100 can be expanded infinitely. For example, the filter device 100 in FIGS. 1A to 1E includes three filter core modules 140 , and the liquid flows into the filter device 100 from the water inlet switch 163 of the filter core module 140 on the far right in FIG. 1C , wherein The water outlet switch 183 of one of the two adjacent filter core modules 140 is connected to and abutted against the water inlet switch 163 of the other module of the two adjacent filter core modules 140 . The water inlet switches 163 and the water outlet switches 183 of the three filter core modules 140 of the filter device 100 are alternately arranged along a straight line, so that the liquid flows through the filter core modules 140 from the far right to the far left in sequence. In Fig. 1E, the water inlet switch 163 and the water outlet switch 183 of the three filter core modules 140 are disposed in the water channel on the right side in Fig. 1E, and can be communicated through the water channel connector (not shown) in the filter device 100 The right and left water channels in Fig. 1E allow the filtered liquid to flow out of the filter device 100 through the left water channel in Fig. 1E.

Compared with the filtering device in the prior art, the water channel of the housing of the filtering device is used to connect the water channels of two adjacent filter core modules, that is, the water channel for filtering is arranged in each filter core module, connecting two adjacent filter core modules. The water channel for the filter module is set on the casing of the filter device, and the water-stop or water leakage prevention mechanism is set on the casing of the filter device. Therefore, when the filter module is replaced, the filter module is replaced by the filter device. The liquid in the water channel with the disconnected casing will be poured out and sprayed out, which brings inconvenience and trouble to replace the filter core module. In the filter device 100 according to the present invention, the water-stopping or water-leakage prevention mechanism is directly designed on the water channel of each removable filter module 140, which can effectively avoid the problem of liquid spraying when the filter module 140 is replaced. .

Referring to FIGS. 1B to 1D , the water inlet switch 163 and the water outlet switch 183 of the filter core module 140 can be linked together, and the water inlet blocking portion 164 and the water outlet blocking portion 184 are both disposed inside the filter core module 140 . Thereby, the mechanism design and switching control of the water inlet switch 163 and the water outlet switch 183 can be simplified. For example, the water inlet switch 163 and the water outlet switch 183 of the filter device 100 in FIGS. 1B to 1D can be two parts on the same structure, or two structures that are connected, abutted or coupled with each other. As shown in Fig. 1C, when the water inlet switch 163 of the filter module 140 on the far right in Fig. 1C is pushed to the left, the water channel will be opened. Pushing the 183 right will close the waterway. In addition, the filter device 100 may further include a hydraulic pressure detection unit or a raw water turbidity detection unit. When the detected hydraulic pressure or the raw water turbidity reaches a threshold value, the water can be automatically cut off (ie, switched to the water stop state shown in FIG. 1B ). to avoid damage to the filter media.

FIG. 2A is a schematic diagram of a water-stopping state of the filter core module 240 in the filter device according to the second embodiment of the present invention, and FIG. 2B is a schematic diagram of a water-passing state of the filter core module 240 according to FIG. 2A . Please refer to FIG. 2A and FIG. 2B , the filter device of the second embodiment is used for filtering liquid (not shown) and includes at least one filter core module 240 , and the filter core module 240 includes a filter core unit 245 and a water inlet 261 , the water outlet 281 and the water inlet switch 263 . The water inlet 261 is connected to the water inlet area 246 of the filter unit 245 , and the water outlet 281 is connected to the water outlet area 247 of the filter unit 245 . The water inlet switch 263 selectively allows the water inlet 261 to communicate with or not communicate with the outside of the filter core module 240 , so as to allow or prohibit the flow of liquid into the filter core unit 245 , respectively.

In detail, the water inlet switch 263 of the filter core module 240 can displaceably allow the water inlet 261 to communicate with or not communicate with the outside of the filter core module 240 , and the water inlet switch 263 includes a water inlet blocking portion 264 . When the water inlet blocking portion 264 does not block the water inlet 261 , the water inlet 261 communicates with the outside of the filter core module 240 . When the water inlet block 264 blocks the water inlet 261 , the water inlet 261 does not communicate with the outside of the filter core module 240 .

The filter core module 240 further includes a water outlet switch 283 , which can displaceably supply the water outlet 281 to communicate with or not communicate with the outside of the filter core module 240 to respectively allow or prohibit the liquid from flowing out of the filter core unit 245 , and the water outlet switch 283 includes a water outlet blocking portion 284 . . When the water outlet blocking portion 284 does not block the water outlet 281 , the water outlet 281 communicates with the outside of the filter core module 240 . When the water outlet block 284 blocks the water outlet 281 , the water outlet 281 does not communicate with the outside of the filter core module 240 .

The filter unit 245, the water inlet switch 263 and the water outlet switch 283 are all cylindrical, and the length direction of the water inlet switch 263 and the length direction of the water outlet switch 283 are both perpendicular to the length direction of the filter unit 245. The water inlet switch 263 and the water outlet switch 283 , the water inlet 261 and the water outlet 281 are located on the same side of the filter unit 245 . The filter core module 240 further includes a housing 242 which accommodates the filter core unit 245 , and the shape of the housing 242 is cylindrical.

In the water-passing state of the filter device shown in Figure 2B, the water inlet switch 263 and the water outlet switch 283 are arranged in a straight line to form several parts of the water channel (the water filtering direction F shown in Figure 2B is the water channel) , and in the width direction of the filter unit 245 , the length of the water inlet switch 263 plus the water outlet switch 283 is equal to the width of the housing 242 . In the water channel, the water inlet block 264 of the water inlet switch 263 is used as a partition wall to completely isolate the water inlet area and the water outlet area in the water channel. The water channel formed by the O-ring of the water inlet switch 263 is for the passage of liquid. The opening 265 is at least partially aligned and communicated with the water inlet 261 , so that the liquid flows into the water inlet area 246 of the filter unit 245 from the opening 265 and the water inlet 261 . The water outlet block 284 is the O-ring on the water outlet switch 283 , the opening 285 of the water outlet switch 283 is arranged on the annular casing of the water outlet block 284 , and the opening 285 of the water outlet switch 283 is at least partially aligned and communicated with the water outlet 281 , So that the liquid flows from the water outlet 247 of the filter core unit 245 through the water outlet 281 and the opening 285 , and then flows into the water channel formed by the O-ring water outlet blocking portion 284 .

The water inlet switch 263 and the water outlet switch 283 of the filter core module 240 are linked together, and the water inlet blocking portion 264 and the water outlet blocking portion 284 are both disposed inside the filter core module 240 . As shown in Fig. 2B, when the water inlet switch 263 in Fig. 2B is pushed to the right, the water channel is opened, and when the water outlet switch 283 in Fig. 2B is pushed to the left, the water channel is closed.

The number of filter core modules 240 of the filter device of the second embodiment may be at least two, and the water outlet switch 283 of one module of the filter core modules 240 is connected to and abuts against the inlet of another module of the filter core modules 240 . The water switch 263, and the details of the water channel, the switching mechanism of the water-passing state and the water-stopping state of the filter device of the second embodiment can be as described in the filter device 100 of the first embodiment, and will not be described in detail here.

FIG. 3A is a perspective view of a filter device 300 according to a third embodiment of the present invention, FIG. 3B is an exploded view of the filter device 300 according to FIG. 3A , and FIG. 3C is another view of the filter device 300 of the third embodiment. 3D shows an exploded view of the filter device 300 according to FIG. 3C, FIG. 3E shows a perspective view of the filter core module 340 in the third embodiment, and FIG. 3F shows the filter in the third embodiment. An exploded view of the core module 340 , FIG. 3G is a top view of the filter device 300 of the third embodiment, and FIG. 3H is a cross-sectional view according to the section line 3H-3H of FIG. 3G , and FIG. 3H is also the filter device 300 Fig. 3I shows the enlarged view of three parts 3I according to Fig. 3H in sequence. Please refer to FIGS. 3A to 3I , the filter device 300 is used for filtering liquid (not shown) and includes at least one filter core module 340 , and the filter core module 340 includes a filter core unit 345 , a water inlet 361 , and a water outlet 381 (as shown in Figure 3I) and the water inlet switch 363.

FIG. 3J is a schematic diagram of a water stop state of the filter device 300 according to FIG. 3H , and FIG. 3K is an enlarged view of three parts 3K according to FIG. 3J in sequence. Referring to FIGS. 3H to 3K , the water inlet 361 is connected to the water inlet area 346 of the filter unit 345 , and the water outlet 381 is connected to the water outlet area 347 of the filter unit 345 . The water inlet switch 363 selectively allows the water inlet 361 to communicate with or not communicate with the outside of the filter core module 340 , so as to allow or prohibit the flow of liquid into the filter core unit 345 , respectively.

In detail, the water inlet switch 363 of the filter core module 340 can displaceably allow the water inlet 361 to communicate with or not communicate with the outside of the filter core module 340 , and the water inlet switch 363 includes a water inlet blocking portion 364 . When the water inlet blocking portion 364 does not block the water inlet 361 , the water inlet 361 communicates with the outside of the filter core module 340 . When the water inlet block 364 blocks the water inlet 361 , the water inlet 361 does not communicate with the outside of the filter core module 340 .

The filter core module 340 further includes a water outlet switch 383, which can displaceably supply the water outlet 381 to communicate with or not to communicate with the outside of the filter core module 340 to allow or prohibit the liquid from flowing out of the filter core unit 345, respectively. The water outlet switch 383 includes a water outlet blocking portion 384. . When the water outlet block 384 does not block the water outlet 381 , the water outlet 381 communicates with the outside of the filter core module 340 . When the water outlet block 384 blocks the water outlet 381 , the water outlet 381 does not communicate with the outside of the filter core module 340 .

The filter unit 345, the water inlet switch 363 and the water outlet switch 383 are all cylindrical, the length direction of the water inlet switch 363 and the length direction of the water outlet switch 383 are both perpendicular to the length direction of the filter unit 345, the water inlet switch 363, the water outlet switch 383 , the water inlet 361 and the water outlet 381 are located on the same side of the filter unit 345 . The filter core module 340 further includes a housing 342 which accommodates the filter core unit 345, and the shape of the housing 342 is cylindrical.

The number of filter core modules 340 may be at least two, and the water outlet switch 383 of one module of the filter core modules 340 is connected to and abuts against the water inlet switch 363 of another module of the filter core modules 340 . For example, the filter device 300 includes two filter core modules 340 , and the liquid flows into the filter device 300 from the water inlet switch 363 of the filter core module 340 on the right side in Figure 3H, and the water outlet switch of the right filter core module 340 383 is connected to and abuts against the water inlet switch 363 of the filter core module 340 on the left side. The water inlet switches 363 and the water outlet switches 383 of the two filter core modules 340 of the filter device 300 are alternately arranged along a straight line, so that the liquid flows through the right and left filter core modules 340 in sequence. Please refer to Fig. 3B and Fig. 3D, the liquid flows into the filter device 300 from the water inlet connector 301 in Fig. 3D, and then passes through the water inlet switch 363 of the filter core module 340 on the right in Fig. 3D, and the two filter core modules The water inlet switch 363 and the water outlet switch 383 of the group 340 are arranged in the water channel on the left in Figure 3D (that is, the water channel on the right in Figure 3B), and can be connected to the water channels on the right and left in Figure 3B through the water channel connector 305, so as to The filtered liquid is allowed to flow out of the filter device 300 through the water outlet connector 302 in Fig. 3D.

Please refer to FIGS. 3B , 3D, 3H to 3K, the filter core module 340 further includes a water inlet elastic member 367 and a water outlet elastic member 387 . The water inlet elastic member 367 is connected to the water inlet switch 363 , and the water outlet elastic member 387 is connected to the water outlet switch 383 .

In the water-passing state of the filter device 300 shown in FIGS. 3H and 3I , the water-inlet elastic member 367 is in an elastic state, which drives the water-inlet blocking portion 364 to not block the water-inlet 361 and align with the casing 342 , that is, the water-inlet 361 It communicates with the outside of the filter core module 340 . The water outlet elastic member 387 is in an elastic state, and drives the water outlet blocking portion 384 not to block the water outlet 381 and cuts the outer casing 342 , that is, the water outlet 381 communicates with the outside of the filter core module 340 .

In the water-stop state of the filter device 300 shown in FIGS. 3J and 3K, the water inlet elastic member 367 is in a released state, and the water inlet blocking portion 364 blocks the water inlet 361 and protrudes from the housing 342, that is, the water inlet 361 does not It communicates with the outside of the filter core module 340 . The water outlet elastic member 387 is in a released state, and the water outlet blocking portion 384 blocks the water outlet 381 and protrudes out of the housing 342 , that is, the water outlet 381 is not connected to the outside of the filter core module 340 . In this way, the switching function between the water-passing state and the water-stopping state of the filter device 300 can be effectively realized, and the filter core module 340 is in the water-stopping state when the frame body 303 is assembling and disassembling, so as to prevent the inconvenience caused by water leakage during assembly and disassembly. Specifically, the structures of the water inlet switch 363 and the water outlet switch 383 may be the same, and the front ends of the water inlet switch 363 and the water outlet switch 383 are the water inlet blocking portion 364 and the water outlet blocking portion 384 respectively. The structure of the water inlet elastic member 367 and the water outlet elastic member 387 can be the same, and are specifically coil springs.

3A, 3B, 3H to 3K, further, the filter device 300 further includes a pressing member 304, and the number of filter core modules 340 is at least two. When the pressing member 304 presses the water inlet switch 363 of a module in the filter core module 340 and a switch in the water outlet switch 383 (in the third embodiment, the pressing member 304 specifically presses the filter on the left side in the 3H figure) The water outlet switch 383 of the core module 340), each water inlet switch 363 is forced so that each water inlet blocking portion 364 does not block the corresponding water inlet 361, and each water outlet switch 383 is forced tight so that each water outlet blocking portion 384 does not block The corresponding water outlet 381 . In this way, the filter core module 340 can be easily replaced, and the inconvenience caused by water leakage during replacement can be prevented.

The water outlet blocking portion 384 of one module in the filter core module 340 and the water inlet blocking portion 364 of the other module in the filter core module 340 abut against and press against each other. Thereby, it is beneficial to simplify the mechanism design. Specifically, the water channel connector 305 can be used as a pressing aid at the same time, and the two ends of the water channel connector 305 are respectively connected to the pressing member 304 and the water outlet switch 383 of the filter module 340 on the left side in Fig. 3H. In Fig. 3H The water inlet switch 363 of the filter core module 340 on the left and the water outlet switch 383 of the filter core module 340 on the right abut against each other and are pressed tightly, and the corresponding elastic rings 368 and 388 (as shown in FIG. rubber rings) are also pressed against each other to prevent water leakage, so that the water inlet block 364 of the left filter module 340 does not block the corresponding water inlet 361, and the water outlet block 384 of the right filter module 340 The corresponding water outlet 381 is not blocked.

In the water-passing state of the filter device 300 shown in Fig. 3H, the water inlet switch 363 and the water outlet switch 383 are arranged in a straight line and form several parts of the water channel (the water filtering direction F shown in Fig. 3H is the water channel ), there is a fixed partition wall 379 in the water channel to completely isolate the water inlet area and the water outlet area in the water channel.

FIG. 4 is a flow chart of a method for disassembling a filter device 400 according to a fourth embodiment of the present invention. Please refer to FIGS. 3H to 3K and 4A for an auxiliary description of the filter device 300 according to the third embodiment of the present invention. The filter device disassembly method 400 according to the fourth embodiment of the present invention is used to disassemble the filter device 300. The filter device 300 is used for filtering liquid, and the filter device 300 includes a frame body 303 and at least one filter core mold which are connected to each other. In the group 340 , the filter core module 340 includes a water inlet 361 , a water outlet 381 , a water inlet switch 363 and a water outlet switch 383 , and the filter device disassembly method 400 includes steps 401 , 402 and 408 .

Step 401 is to provide the water inlet switch 363 to selectively connect or disconnect the water inlet 361 to the outside of the filter core module 340 , so as to allow or prohibit the flow of liquid into the filter core unit 345 , respectively. Step 402 is to provide the water outlet switch 383 to selectively connect the water outlet 381 to the outside of the filter core module 340 or not to allow or prohibit the liquid from flowing out of the filter core unit 345, respectively. Step 408 is to detach the filter core module 340 from the frame body 303 , when the water inlet 361 is not connected to the outside of the filter core module 340 , and the water outlet 381 is not connected to the outside of the filter core module 340 . In this way, the phenomenon of water leakage when the filter core module 340 is replaced can be avoided.

The water inlet switch 363 may include a water inlet blocking portion 364 , and the water outlet switch 383 may include a water outlet blocking portion 384 . When the water inlet blocking portion 364 does not block the water inlet 361 , the water inlet 361 communicates with the outside of the filter core module 340 . When the water inlet block 364 blocks the water inlet 361 , the water inlet 361 does not communicate with the outside of the filter core module 340 . When the water outlet block 384 does not block the water outlet 381 , the water outlet 381 communicates with the outside of the filter core module 340 . When the water outlet block 384 blocks the water outlet 381 , the water outlet 381 does not communicate with the outside of the filter core module 340 . In this way, it is helpful to simplify the disassembly and water leakage prevention mechanism of the filter core module 340 .

The number of filter core modules 340 is at least two, and the filter device disassembly method 400 may further include step 406 . Step 406 is to provide the pressing member 304, so that the pressing member 304 releases a switch in the water inlet switch 363 and the water outlet switch 383 of a module in the filter core module 340, and each water inlet switch 363 is released to make each water inlet stopper. The water outlet 364 blocks the corresponding water inlet 361 , and each water outlet switch 383 is released so that each water outlet blocking portion 384 blocks the corresponding water outlet 381 . In this way, it is convenient for ordinary users to disassemble and replace the filter core module 340 by themselves, thereby enjoying good water quality with lower cost of money and time.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention. Anyone skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection of the present invention The scope shall be determined by the scope of the appended patent application.

100,300: filter unit 301: Water inlet connector 302: Water outlet connector 303: Frame 304: Compressor 305: Waterway Connector 140, 240, 340: Filter module 142, 242, 342: Shell 145, 245, 345: Filter unit 146, 246, 346: Inlet area 147, 247, 347: Outlet area 161, 261, 361: Water inlet 163, 263, 363: Water inlet switch 164, 264, 364: Water inlet baffle 165,265: Opening 367: Water Inlet Elastic Parts 368: elastic ring 379: Separation Wall 181, 281, 381: water outlet 183, 283, 383: Water outlet switch 184,284,384:Water outlet 185,285: Opening 387: Water outlet elastic parts 388: elastic ring 400: Disassembly method of filter device 401, 402, 406, 408: Steps F: water filtration direction

FIG. 1A shows a top view of the filter device according to the first embodiment of the present invention; FIG. 1B shows a cross-sectional view according to section line 1B-1B of FIG. 1A; FIG. 1C shows a schematic diagram of the water passing state of the filter device according to FIG. 1B; FIG. 1D is a schematic cross-sectional view according to the section line 1D-1D of FIG. 1C; Figure 1E shows a side view of the filter device according to Figure 1A; FIG. 2A is a schematic diagram of the water-stopping state of the filter core module in the filter device according to the second embodiment of the present invention; Fig. 2B is a schematic diagram showing the water passing state of the filter core module according to Fig. 2A; 3A is a perspective view of a filter device according to a third embodiment of the present invention; Figure 3B shows an exploded view of the filter device according to Figure 3A; FIG. 3C shows another perspective view of the filter device of the third embodiment; Figure 3D shows an exploded view of the filter device according to Figure 3C; FIG. 3E is a perspective view of the filter core module in the third embodiment; FIG. 3F shows an exploded view of the filter core module in the third embodiment; FIG. 3G shows a top view of the filter device according to the third embodiment; FIG. 3H shows a cross-sectional view according to section line 3H-3H of FIG. 3G; Fig. 3I shows an enlarged view according to part 3I of Fig. 3H; Fig. 3J is a schematic diagram showing the water stop state of the filter device according to Fig. 3H; Figure 3K shows an enlarged view of part 3K in accordance with Figure 3J; and FIG. 4 is a flowchart illustrating a method for disassembling a filter device according to a fourth embodiment of the present invention.

100: Filter device

140: Filter module

142: Shell

145: Filter unit

146: Inlet area

147: Outlet area

161: water inlet

163: Water inlet switch

164: Water inlet block

165: Opening

181: Water outlet

183: Water outlet switch

184: Water outlet block

185: Opening

F: water filtration direction

Claims (11)

A filter device for filtering a liquid, the filter device includes at least two filter core modules, each of the filter core modules includes: a filter core unit; a water inlet, which communicates with a water inlet area of the filter core unit; a A water outlet, which communicates with a water outlet area of the filter unit; a water inlet switch, which can be displaced for the water inlet to communicate with or not communicate with an outside of the filter module, so as to respectively allow or prohibit the liquid from flowing into the filter unit; and a water outlet switch, which can displace the water outlet to communicate with or not communicate with the outside of the filter core module, so as to respectively allow or prohibit the liquid from flowing out of the filter core unit; wherein, the filter core module of the The water outlet switch is connected to and abuts against the water inlet switch of the other filter core module. The filter device according to claim 1, wherein the water inlet switch of each filter core module comprises a water inlet block; wherein, when the water inlet block does not block the water inlet, the water inlet communicates with the filter core The outside of the module; wherein, when the water inlet block blocks the water inlet, the water inlet does not communicate with the outside of the filter core module. The filter device according to claim 1, wherein in each of the filter core modules, the filter core unit and the water inlet switch are both cylindrical, and the water inlet switch The length direction of the filter element is perpendicular to the length direction of the filter element, and the water inlet switch, the water inlet and the water outlet are all located on the same side of the filter element. The filter device according to claim 2, wherein the water outlet switch of each filter core module includes a water outlet block; wherein, when the water outlet block does not block the water outlet, the water outlet communicates with the water outlet of the filter core module The outside; wherein, when the water outlet block blocks the water outlet, the water outlet does not communicate with the outside of the filter core module. The filter device according to claim 4, wherein the water inlet switch and the water outlet switch of each filter core module are linked together, and the water inlet blocking portion and the water outlet blocking portion are both disposed in an interior of the filter core module . The filter device according to claim 4, wherein each of the filter core modules further comprises: a casing for accommodating the filter core unit, the casing is cylindrical in shape; a water inlet elastic member, connected to the water inlet switch; and a water outlet elastic member connected to the water outlet switch; wherein, when the water inlet elastic member is in an elastic state, the water inlet blocking portion does not block the water inlet and cuts the shell; wherein, when the water inlet elastic member is in a In the release state, the water inlet blocking portion blocks the water inlet and protrudes out of the housing; wherein, when the water outlet elastic member is in an elastic state, the water outlet blocking portion does not The water outlet is blocked and aligned with the casing; wherein, when the water outlet elastic member is in a released state, the water outlet blocking portion blocks the water outlet and protrudes out of the casing. The filter device according to claim 6, further comprising a pressing member; wherein, when the pressing member presses a switch in the water inlet switch and the water outlet switch of the filter core module, each water inlet switch is closed by Each of the water inlet blocks is pressed so that the corresponding water inlet is not blocked, and each of the water outlet switches is forced so that each of the water outlet blocks does not block the corresponding water outlet. The filtering device as claimed in claim 7, wherein the water outlet blocking portion of one of the filter core modules and the water inlet blocking portion of the other filter core module abut against each other and are pressed tightly. A method for disassembling a filter device is used to disassemble a filter device for filtering a liquid, the filter device comprises a frame body and at least two filter core modules connected to each other, each of the filter core modules comprises a water inlet, A water outlet, a water inlet switch and a water outlet switch, the water outlet switch of the filter core module is connected to and abuts against the water inlet switch of the other filter core module, the filter device disassembly method includes: providing each of the The water inlet switch can be displaceably connected to the corresponding water inlet to communicate with or not to communicate with an outside of the filter core module, so as to respectively allow or prohibit the liquid from flowing into the filter core unit; Providing each of the water outlet switches displaceably for the corresponding water outlet to communicate with or not to communicate with the outside of the filter core module, to respectively allow or prohibit the liquid from flowing out of the filter core unit; and detach the filter core module from the filter core module. For the frame body, when each of the water inlets is not connected to the outside of the filter core module, and each of the water outlets is not connected to the outside of the filter core module. The method for disassembling a filter device according to claim 9, wherein the water inlet switch of each filter core module comprises a water inlet block, and the water outlet switch of each filter core module comprises a water outlet block; wherein, when The water inlet block does not block the water inlet, and the water inlet communicates with the outside of the filter module; wherein, when the water inlet block blocks the water inlet, the water inlet does not communicate with the outside of the filter module ; Wherein, when the water outlet block does not block the water outlet, the water outlet communicates with the outside of the filter core module; Wherein, when the water outlet block blocks the water outlet, the water outlet does not communicate with the filter core module the outside. The method for disassembling a filter device according to claim 10, further comprising: providing a pressing member, so that the pressing member releases a switch in the water inlet switch and the water outlet switch of the filter module, and each water inlet switch is released so that each of the water inlet blocks blocks the corresponding water inlet, and each of the water outlet switches is released to block the corresponding water inlet. Each of the water outlet blocking portions blocks the corresponding water outlet.

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