Faucet water purifier

Abstract

According to the faucet water purifier, a filtering unit is arranged in a shell and provided with a purified water channel, a raw water inlet and a purified water outlet are communicated through the purified water channel, a raw water channel is formed between the filtering unit and the shell, and the raw water inlet and the raw water outlet are communicated through the raw water channel; the water path switching turntable is provided with a raw water passing port and a purified water passing port, the water path switching turntable is rotatably arranged on the shell and is provided with a raw water outlet station and a purified water outlet station, and when the water path switching turntable rotates to the raw water outlet station, the raw water outlet is communicated with the raw water passing port, and the communication between the purified water outlet and the purified water passing port is cut off; and when the water path switching turntable rotates to the purified water outlet station, the purified water outlet is communicated with the purified water passing port, and the communication between the raw water outlet and the raw water passing port is cut off. According to the faucet water purifier, the waterway switching operation is simple and convenient through the waterway switching rotary table, the number of parts is small, the structure is simple and compact, miniaturization of the whole machine is facilitated, and the production cost is saved.

Description

Technical Field

[0001] The present application relates to the technical field of water purification equipment, and in particular to a faucet water purifier. Background Art

[0002] With economic development and the improvement of living standards, consumers are paying more and more attention to healthy water use and drinking water, and their requirements for water use are getting higher and higher. As a device that can filter and purify raw water such as tap water, water purifiers, especially faucet water purifiers that can be fixed at the faucet and directly filter impurities and chlorides in the water when the faucet is out of the water, are recognized and favored by more and more consumers.

[0003] There are many types of existing faucet water purifiers, but most commonly used faucet water purifiers include a water circuit switching structure and a filtering structure for filtering raw water into purified water. The water circuit switching structure is mainly used to switch between the raw water state and the purified water state. When switched to the raw water state, the tap water discharged from the faucet is directly discharged through the faucet water purifier. When switched to the purified water state, the tap water discharged from the faucet is filtered by the filtering structure before being discharged. The existing water circuit switching structure has many parts and complex water circuits, which results in a large size of the faucet water purifier, a bloated structure, and a low convenience in switching the water state. Utility Model Content

[0004] The present application provides a faucet water purifier to solve at least one of the above-mentioned technical problems.

[0005] The technical solution adopted in this application is:

[0006] A faucet water purifier comprises a shell, a filter unit and a waterway switching turntable, wherein the shell has a raw water inlet, a raw water outlet and a clean water outlet; the filter unit is arranged in the shell, the filter unit has a clean water channel, the clean water channel connects the raw water inlet with the clean water outlet, a raw water channel is formed between the filter unit and the shell, the raw water channel connects the raw water inlet with the raw water outlet; the waterway switching turntable is provided with a raw water inlet and a clean water inlet, the waterway switching turntable is rotatably arranged on the shell and has a raw water outlet position and a clean water outlet position, when the waterway switching turntable rotates to the raw water outlet position, the raw water outlet is connected with the raw water inlet and the connection between the clean water outlet and the clean water inlet is cut off, when the waterway switching turntable rotates to the clean water outlet position, the clean water outlet is connected with the clean water inlet and the connection between the raw water outlet and the raw water inlet is cut off.

[0007] The faucet water purifier in this application also has the following additional technical features:

[0008] The faucet water purifier further comprises a turntable positioning cover, wherein the turntable positioning cover is connected to the shell, and the waterway switching turntable is limited between the turntable positioning cover and the shell.

[0009] The shell is provided with a connecting portion, the turntable positioning cover is provided with a matching portion, the water channel switching turntable is provided with an avoidance hole, the connecting portion passes through the avoidance hole and is connected to the matching portion, and the water channel switching turntable can rotate around the connecting portion and switch between the raw water outlet station and the purified water outlet station.

[0010] The turntable positioning cover is provided with a drain outlet, and a water flow cavity is formed between the turntable positioning cover and the water channel switching turntable. The raw water flow cavity and the clean water flow cavity are respectively connected to the water flow cavity. The matching part is constructed as a hollow structure surrounding the drain outlet. The matching part is provided with a water flow hole, so that the water flow cavity is connected to the drain outlet through the water flow hole and the hollow cavity of the matching part in sequence.

[0011] The turntable positioning cover is provided with an inner positioning ring rib extending toward the waterway switching turntable, the shell is provided with an outer positioning ring rib extending toward the waterway switching turntable, the waterway switching turntable is provided with an inner positioning step adapted to the inner positioning ring rib and an outer positioning step adapted to the outer positioning ring rib, the inner positioning ring rib cooperates with the inner positioning step and the outer positioning ring rib cooperates with the outer positioning step to limit the waterway switching turntable in the radial direction and / or the axial direction.

[0012] The shell is provided with a guide column protruding toward the water circuit switching turntable, and the water circuit switching turntable is provided with a guide groove extending along its rotation direction. The guide column and the guide groove are slidably matched to limit the raw water outlet station and the clean water outlet station as two rotation limit positions of the water circuit switching turntable.

[0013] The raw water outlet and the clean water outlet are arranged in a straight line along the radial direction of the waterway switching turntable, and the raw water inlet and the clean water inlet are arranged in a staggered manner along the circumferential direction of the waterway switching turntable.

[0014] The shell is equipped with a first sealing body and a second sealing body. The first sealing body is arranged around the raw water outlet, and the second sealing body is arranged around the clean water outlet. The first sealing body and the second sealing body are respectively against the water channel switching turntable.

[0015] An operating area is provided on the outer edge of the waterway switching turntable. The operating area includes a concave portion and a convex portion. The concave portion and the convex portion are alternately arranged along the circumference of the waterway switching turntable.

[0016] The shell includes a first end cover and a second end cover, the first end cover and the second end cover are detachably connected to cooperate to form a space for accommodating the filter unit, the raw water inlet, the raw water outlet and the clean water outlet are all arranged on the second end cover, the water channel switching turntable is rotatably arranged on the second end cover, the filter unit includes a filter element and a mounting head, a sealing ring rib is arranged in the second end cover, the clean water outlet is arranged on the inner side of the sealing ring rib, the raw water outlet is arranged on the outer side of the sealing ring rib, and the mounting head is sealed and cooperated with the sealing ring rib.

[0017] Due to the adoption of the above technical solution, the technical effects achieved by this application are:

[0018] 1. In the faucet water purifier provided by the present application, when the water path switching dial is rotated to the raw water outlet position, the raw water outlet is connected with the raw water water inlet and the connection between the clean water outlet and the clean water water inlet is cut off. At this time, when the faucet discharges raw water to the outside, the raw water is discharged through the raw water inlet, the raw water channel, the raw water outlet and the raw water water inlet in sequence, so that the faucet water purifier is in a raw water outlet state; when the water path switching dial is rotated to the clean water outlet position, the clean water outlet is connected with the clean water water inlet and the connection between the raw water outlet and the raw water water inlet is cut off. At this time, when the faucet discharges raw water to the outside, the raw water is discharged through the raw water inlet, the clean water channel, the raw water outlet and the raw water water inlet in sequence. After the water channel is converted into purified water, it is discharged through the purified water outlet and the purified water outlet, so that the faucet water purifier is in a purified water outlet state; therefore, it is only necessary to rotate the water channel switching dial relative to the shell between the raw water outlet position and the purified water outlet position to realize the switching of the faucet water purifier between the raw water outlet state and the purified water outlet state, thereby meeting the different usage scenarios of raw water and purified water by users, making the overall parts of the water channel switching structure less and the water channel structure simple, which is conducive to the miniaturization of the faucet water purifier and saving the production cost of the faucet water purifier, and also greatly improves the operational convenience of switching the water outlet state of the faucet water purifier.

[0019] 2. As a preferred embodiment of the present application, the water circuit switching turntable is limited between the turntable positioning cover and the shell to prevent the water circuit switching turntable from moving away from the shell and causing a gap between the shell and the water circuit switching turntable, thereby ensuring that the raw water outlet and the raw water inlet, as well as the clean water outlet and the clean water inlet correspond stably and reliably, and reducing the risk of water leakage.

[0020] 3. As a preferred embodiment of the present application, the connecting part passes through the avoidance hole provided on the water circuit switching turntable and is connected to the matching part, which not only realizes the connection between the shell and the turntable positioning cover to clamp and limit the water circuit switching turntable, but also realizes the radial limitation of the water circuit switching turntable by supporting the water circuit switching turntable through the connecting part. At the same time, the connecting part can also serve as a rotating shaft for the water circuit switching turntable to rotate relative to the shell.

[0021] 4. As a preferred embodiment of the present application, the raw water outlet and the clean water outlet are connected to the drain outlet through the water passage cavity respectively. On the one hand, the clean water and the raw water are discharged through the same outlet to realize integrated drainage, simplifying the water path structure and the accessory structure. On the other hand, the raw water and the clean water can be cached and buffered in the water passage cavity. When the water volume in the water passage cavity reaches a certain level, it will be discharged through the drain outlet, which helps to improve the stability of water outlet and reduce the turbulence and dispersion of water flow.

[0022] 5. As a preferred embodiment of the present application, the guide column and the guide groove are slidably matched to limit the raw water outlet station and the clean water outlet station to the two rotational limit positions of the waterway switching turntable, thereby strictly limiting the rotation angle of the waterway switching turntable. The stoppers at the two ends of the guide column and the guide groove are used to give the operator a tactile prompt that the waterway switching turntable has been rotated to the raw water outlet station or the clean water outlet station.

[0023] 6. As a preferred embodiment of the present application, the shell is equipped with a first sealing body and a second sealing body, and the first sealing body and the second sealing body are respectively offset against the water circuit switching turntable; the first sealing body is used to seal the raw water outlet, to ensure the sealing performance of the raw water outlet and the raw water water outlet when the water circuit switching turntable is in the raw water outlet position, and to ensure that the raw water outlet will not leak when the water circuit switching turntable is in the clean water outlet position; the first sealing body is used to seal the clean water outlet, to ensure the sealing performance of the clean water outlet and the clean water water outlet when the water circuit switching turntable is in the clean water outlet position, and to ensure that the clean water outlet will not leak when the water circuit switching turntable is in the raw water outlet position. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0025] Figure 1 Assembly of the faucet water purifier provided in the embodiment of the present application Figure 1 ;

[0026] Figure 2 An exploded view of a faucet water purifier provided in an embodiment of the present application;

[0027] Figure 3 A cross-sectional view of a tap water purifier provided in an embodiment of the present application;

[0028] Figure 4 Assembly of the faucet water purifier provided in the embodiment of the present application Figure 2 ;

[0029] Figure 5 A schematic diagram of the structure of the second end cover of the housing provided in an embodiment of the present application;

[0030] Figure 6 Schematic diagram of the structure of the waterway switching turntable provided in the embodiment of the present application Figure 1 ;

[0031] Figure 7 Schematic diagram of the structure of the waterway switching turntable provided in the embodiment of the present application Figure 2 ;

[0032] Figure 8 A schematic diagram of the structure of the turntable positioning cover provided in an embodiment of the present application;

[0033] Fig. 9 for Figure 3 A partial magnified view of the structure at A in the middle;

[0034] Fig.10 A cross-sectional view of the second end cover of the shell provided in an embodiment of the present application.

[0035] List of parts and reference numerals:

[0036] 1 housing, 11 first end cover, 111 screw-on groove, 12 second end cover, 121 raw water inlet, 122 raw water outlet, 123 purified water outlet, 124 connecting portion, 125 external positioning ring rib, 126 guide column, 127 indication mark, 128 sealing ring rib, 1281 limiting rib, 129 screw-on protrusion;

[0037] 2 filter unit, 21 clean water channel, 22 filter element, 23 installation head;

[0038] 3. Raw water channel;

[0039] 4 water channel switching turntable, 41 raw water inlet, 42 clean water inlet, 43 avoidance hole, 44 inner positioning step, 45 outer positioning step, 46 guide groove, 47 concave part, 48 convex part, 49 display mark;

[0040] 5 turntable positioning cover, 51 matching portion, 511 water hole, 52 drain port, 53 inner positioning ring rib, 531 convex point;

[0041] 6. Water cavity;

[0042] 7 a first sealing body;

[0043] 8. Second sealing body. DETAILED DESCRIPTION

[0044] In order to more clearly illustrate the overall concept of the present application, a detailed description is given below in an illustrative manner in conjunction with the accompanying drawings.

[0045] In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present application is not limited to the specific embodiments disclosed below.

[0046] In addition, in the description of the present application, it should be understood that the terms "upper", "lower", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", "lateral", "longitudinal", etc., indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0047] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0048] In the present application, unless otherwise clearly specified and limited, a first feature "above" or "below" a second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0049] In the embodiment of the present application, a faucet water purifier is provided. For the convenience of explanation and understanding, the following contents provided in the present application are all explained on the basis of the illustrated product structure. Of course, those skilled in the art can understand that the above structure is only used as a specific example and schematic description, and cannot constitute a specific limitation on the technical solution provided in the present application.

[0050] Reference Figures 1 to 10As shown, a faucet water purifier provided by the present application includes a housing 1, a filter unit 2 and a waterway switching turntable 4, wherein the housing 1 has a raw water inlet 121, a raw water outlet 122 and a clean water outlet 123; the filter unit 2 is arranged in the housing 1, and the filter unit 2 has a clean water channel 21, wherein the clean water channel 21 connects the raw water inlet 121 and the clean water outlet 123, and a raw water channel 3 is formed between the filter unit 2 and the housing 1, wherein the raw water channel 3 connects the raw water inlet 121 and the raw water outlet 122; the waterway switching turntable 4 is provided with a raw water inlet 41 and a clean water inlet 42. The waterway switching turntable 4 is rotatably arranged on the housing 1 and has a raw water outlet position and a clean water outlet position. When the waterway switching turntable 4 rotates to the raw water outlet position, the raw water outlet 122 is connected to the raw water inlet 41 and the connection between the clean water outlet 123 and the clean water inlet 42 is cut off. When the waterway switching turntable 4 rotates to the clean water outlet position, the clean water outlet 123 is connected to the clean water inlet 42 and the connection between the raw water outlet 122 and the raw water inlet 41 is cut off. Figure 3 and Figure 4 As shown, the water channel switching turntable 4 is located at the raw water outlet position. At this time, the raw water outlet 122 is connected to the raw water outlet 41, and the connection between the clean water outlet 123 and the clean water outlet 42 is cut off.

[0051] In the faucet water purifier provided by the present application, when the water path switching dial 4 is rotated to the raw water outlet position, the raw water outlet 122 is connected with the raw water water inlet 41 and the connection between the clean water outlet 123 and the clean water water inlet 42 is cut off. At this time, when the faucet discharges raw water to the outside, the raw water is discharged through the raw water inlet 121, the raw water channel 3, the raw water outlet 122 and the raw water water inlet 41 in sequence, so that the faucet water purifier is in a raw water outlet state; when the water path switching dial 4 is rotated to the clean water outlet position, the clean water outlet 123 is connected with the clean water water inlet 42 and the connection between the raw water outlet 122 and the raw water water inlet 41 is cut off. At this time, when the faucet discharges raw water to the outside, the raw water is discharged through the raw water inlet 121, the raw water channel 3, the raw water outlet 122 and the raw water water inlet 41 in sequence, so that the faucet water purifier is in a raw water outlet state; After being converted into clean water through the raw water inlet 121 and the clean water channel 21, it is discharged through the clean water outlet 123 and the clean water outlet 42, so that the faucet water purifier is in a clean water outlet state; therefore, it is only necessary to rotate the water channel switching dial 4 relative to the shell 1 between the raw water outlet position and the clean water outlet position to realize the switching of the faucet water purifier between the raw water outlet state and the clean water outlet state, so as to meet the different usage scenarios of raw water and clean water by users, so that the overall parts of the water channel switching structure are relatively few and the water channel structure is simple, which is conducive to the miniaturization of the faucet water purifier and the saving of the production cost of the faucet water purifier, and also greatly improves the operational convenience of switching the water outlet state of the faucet water purifier.

[0052] During specific assembly, the raw water inlet 121 can be connected and installed with the faucet. When the faucet is draining, tap water enters the shell 1 from the raw water inlet 121, wherein a part of the tap water enters the raw water channel 3, and the other part enters the clean water channel 21 for filtration, and the raw water or clean water is selectively discharged according to the position of the water channel switching dial 4.

[0053] As a preferred implementation of the present application, Figures 1 to 3 As shown, the faucet water purifier also includes a turntable positioning cover 5, the turntable positioning cover 5 is connected to the shell 1, and the water circuit switching turntable 4 is limited between the turntable positioning cover 5 and the shell 1. It can be understood by those skilled in the art that the water circuit switching turntable 4 is limited between the turntable positioning cover 5 and the shell 1 to prevent the water circuit switching turntable 4 from moving in a direction away from the shell 1 and generating a gap with the shell 1, thereby ensuring that the raw water outlet 122 corresponds to the raw water outlet 41, and the clean water outlet 123 corresponds to the clean water outlet 42 stably and reliably, thereby reducing the risk of water leakage. In a preferred embodiment, the connection between the turntable positioning cover 5 and the shell 1 can be used to limit the axial and radial directions of the water circuit switching turntable 4, and only the circumferential rotation freedom of the water circuit switching turntable 4 is retained to ensure that the water circuit switching turntable 4 can be rotated and switched between two stations.

[0054] As a preferred embodiment, Figure 3 , Figure 5 , Figure 6 and Figure 8 As shown, the housing 1 is provided with a connection portion 124, the turntable positioning cover 5 is provided with a matching portion 51, the waterway switching turntable 4 is provided with an avoidance hole 43, the connection portion 124 passes through the avoidance hole 43 and is connected to the matching portion 51, and the waterway switching turntable 4 can rotate around the connection portion 124 and switch between the raw water outlet station and the purified water outlet station. It can be understood by those skilled in the art that the connection portion 124 passes through the avoidance hole 43 provided on the waterway switching turntable 4 and is connected to the matching portion 51, which not only realizes the connection between the housing 1 and the turntable positioning cover 5 to clamp the waterway switching turntable 4, but also can realize the radial limit of the waterway switching turntable 4 through the support of the connection portion 124 on the waterway switching turntable 4, and at the same time, the connection portion 124 can also serve as the rotating shaft for the waterway switching turntable 4 to rotate relative to the housing 1. In order to ensure the smoothness of the rotation of the waterway switching turntable 4, preferably, the connection portion 124 is set to an axial structure with a circular cross section. The present application does not specifically limit the connection method between the connection portion 124 and the matching portion 51. For example, the connection portion 124 and the matching portion 51 may be threadedly matched, snap-fitted, plug-in matched, etc. The present application schematically illustrates an embodiment in which the connection portion 124 is provided with an external thread and the matching portion 51 is provided with an internal thread, so that the connection portion 124 and the matching portion 51 are threadedly matched.

[0055] Furthermore, if Figure 3 and Figure 8 As shown, the turntable positioning cover 5 is provided with a drain port 52, and a water passage cavity 6 is formed between the turntable positioning cover 5 and the water channel switching turntable 4, the raw water passage 41 and the clean water passage 42 are respectively connected to the water passage cavity 6, and the matching part 51 is constructed as a hollow structure surrounding the drain port 52, and the matching part 51 is provided with a water passage hole 511, so that the water passage cavity 6 is connected to the drain port 52 through the water passage hole 511 and the hollow cavity of the matching part 51 in turn. Specifically, when the turntable positioning cover 5 limits the water channel switching turntable 4 on the shell 1, the turntable positioning cover 5 and the water channel switching turntable 4 cooperate to form a water flow chamber 6, and the raw water inlet 41 and the clean water inlet 42 are both open toward the water flow chamber 6, and the raw water inlet 41 and the clean water inlet 42 are respectively connected to the drain port 52 through the water flow chamber 6. On the one hand, the clean water and the raw water are discharged through the same water port to realize integrated drainage, which simplifies the water channel structure and the accessory structure. On the other hand, the raw water and the clean water can be cached and buffered in the water flow chamber 6. When the water volume in the water flow chamber 6 reaches a certain level, it will be discharged through the drain port 52, which helps to improve the water outlet stability and reduce the turbulent and scattered water flow. When raw water is discharged, the raw water enters the water flow chamber 6 from the raw water outlet 41, and then enters the drain outlet 52 through the water hole 511 set in the matching part 51 to be discharged. Similarly, when purified water is discharged, the purified water enters the water flow chamber 6 from the purified water outlet 42, and then enters the drain outlet 52 through the water hole 511 set in the matching part 51 to be discharged.

[0056] As a preferred embodiment, Figure 3 as well as Figures 4 to 9 As shown, the turntable positioning cover 5 is provided with an inner positioning ring rib 53 extending toward the water circuit switching turntable 4, the shell 1 is provided with an outer positioning ring rib 125 extending toward the water circuit switching turntable 4, the water circuit switching turntable 4 is provided with an inner positioning step 44 adapted to the inner positioning ring rib 53 and an outer positioning step 45 adapted to the outer positioning ring rib 125, the inner positioning ring rib 53 cooperates with the inner positioning step 44 and the outer positioning ring rib 125 cooperates with the outer positioning step 45 to achieve radial and / or axial direction limitation of the water circuit switching turntable 4. During specific assembly, the outer positioning step 45 of the waterway switching turntable 4 is aligned and matched with the outer positioning ring rib 125 provided on the shell 1, and the inner positioning ring rib 53 of the turntable positioning cover 5 is matched with the inner positioning step 44 of the waterway switching turntable 4. The inner positioning ring rib 53 and the outer positioning ring rib 125 clamp the waterway switching turntable 4 inside and outside to achieve radial limitation. The ends of the inner positioning ring rib 53 and the outer positioning ring rib 125 respectively abut against the two ends of the waterway switching turntable 4 to achieve axial limitation. In particular, after the inner positioning ring rib 53 of the turntable positioning cover 5 abuts against the waterway switching turntable 4, a water passage cavity 6 is formed on the inner side of the inner positioning ring rib 53. Preferably, as Figure 8 and Fig. 9 As shown, a plurality of protrusions 531 can be arranged at intervals at the end of the inner positioning ring rib 53, so that the inner positioning ring rib 53 can abut against the water channel switching turntable 4 through the protrusions 531, thereby reducing the contact area between the inner positioning ring rib 53 and the water channel switching turntable 4, thereby reducing the friction force from the inner positioning ring rib 53 during the rotation of the water channel switching turntable 4, thereby improving the smoothness of the rotation of the water channel switching turntable 4 and making the rotation operation more labor-saving.

[0057] As a preferred implementation of the present application, Figure 5 and Figure 6 As shown, the housing 1 is provided with a guide column 126 protruding toward the waterway switching turntable 4, and the waterway switching turntable 4 is provided with a guide groove 46 extending along its rotation direction, and the guide column 126 and the guide groove 46 are slidably matched to limit the raw water outlet position and the clean water outlet position to the two rotation limit positions of the waterway switching turntable 4. It can be understood by those skilled in the art that the raw water outlet position and the clean water outlet position are limited to the two rotation limit positions of the waterway switching turntable 4 by the sliding match of the guide column 126 and the guide groove 46, so as to achieve strict limitation of the rotation angle of the waterway switching turntable 4, and the stoppers at the two ends of the guide column 126 and the guide groove 46 give the operator a hand feeling prompt that the waterway switching turntable 4 has been rotated to the raw water outlet position or the clean water outlet position.

[0058] As a preferred implementation of the present application, Figure 5 and Figure 6 As shown, the raw water outlet 122 and the clean water outlet 123 are arranged in a straight line along the radial direction of the waterway switching turntable 4, and the raw water inlet 41 and the clean water inlet 42 are staggered along the circumference of the waterway switching turntable 4, so that when the waterway switching turntable 4 is located at the raw water outlet position, the raw water outlet 122 and the raw water inlet 41 are directly connected, at this time, the clean water outlet 123 and the clean water inlet 42 are staggered and the connection is cut off, and when the waterway switching turntable 4 is located at the clean water outlet position, the clean water outlet 123 and the clean water inlet 42 are directly connected, at this time, the raw water outlet 122 and the raw water inlet 41 are staggered and the connection is cut off. The present application does not specifically limit the number of raw water outlets 122 and clean water outlets 123. The present application schematically illustrates an embodiment in which the shell 1 is provided with two raw water outlets 122 and two clean water outlets 123. The two raw water outlets 122 are symmetrically arranged about the connecting portion 124, and the two clean water outlets 123 are also symmetrically arranged about the connecting portion 124. The two raw water outlets 122 and the two clean water outlets 123 are arranged in a straight line. Correspondingly, two raw water inlets 41 and two clean water inlets 42 are correspondingly arranged on the waterway switching turntable 4. The two raw water inlets 41 are symmetrically arranged about the avoidance hole 43, and the two clean water inlets 42 are also symmetrically arranged about the avoidance hole 43.

[0059] As a preferred implementation of the present application, Fig. 9 As shown, the housing 1 is installed with a first sealing body 7 and a second sealing body 8, the first sealing body 7 is arranged around the raw water outlet 122, the second sealing body 8 is arranged around the clean water outlet 123, and the first sealing body 7 and the second sealing body 8 are respectively against the water circuit switching turntable 4. The first sealing body 7 is used to seal the raw water outlet 122, to ensure the sealing performance of the raw water outlet 122 and the raw water water inlet 41 when the water circuit switching turntable 4 is in the raw water outlet position, and to ensure that the raw water outlet 122 will not leak when the water circuit switching turntable 4 is in the clean water outlet position; the first sealing body 7 is used to seal the clean water outlet 123, to ensure the sealing performance of the clean water outlet 123 and the clean water water inlet 42 when the water circuit switching turntable 4 is in the clean water outlet position, and to ensure that the clean water outlet 123 will not leak when the water circuit switching turntable 4 is in the raw water outlet position.

[0060] As a preferred implementation of the present application, Figure 6 As shown, an operating area is provided at the outer edge of the waterway switching dial 4, and the operating area includes a concave portion 47 and a convex portion 48, and the concave portion 47 and the convex portion 48 are alternately arranged along the circumference of the waterway switching dial 4. Those skilled in the art will appreciate that by providing circumferentially uniformly distributed concave portions 47 and convex portions 48 on the circumference of the waterway switching dial 4, the user's hand feeling of holding and turning the waterway switching dial 4 is effectively improved, and the friction between the waterway switching dial 4 and the human hand is increased, thereby reducing slippage. Preferably, an indicator mark 127 may be provided on the housing 1, such as Figure 5 The arrow-shaped indicator mark 127 shown in FIG. 1 is provided on the waterway switching dial 4, and a display mark 49 is provided on the waterway switching dial 4, as shown in FIG. Figure 6 The “raw water” and “purified water” text display labels 49 shown in the figure, the indication label 127 and the display label 49 cooperate to inform the user whether the water currently used is raw water or purified water.

[0061] As a preferred implementation of the present application, Figures 1 to 10As shown, the housing 1 includes a first end cover 11 and a second end cover 12, the first end cover 11 and the second end cover 12 are detachably connected to cooperate to form a space for accommodating the filter unit 2, the raw water inlet 121, the raw water outlet 122 and the clean water outlet 123 are all arranged on the second end cover 12, the waterway switching dial 4 is rotatably arranged on the second end cover 12, the filter unit 2 includes a filter element 22 and a mounting head 23, a sealing ring rib 128 is arranged in the second end cover 12, the clean water outlet 123 is arranged on the inner side of the sealing ring rib 128, the raw water outlet 122 is arranged on the outer side of the sealing ring rib 128, and the mounting head 23 is sealed and cooperated with the sealing ring rib 128. It can be understood by those skilled in the art that by making the first end cover 11 and the second end cover 12 detachably connected, it is convenient to disassemble the two and expose the filter element 22 when replacing the filter element 22. Specifically, as Figure 2 , Figure 3 and Fig.10 As shown, the present application schematically illustrates an embodiment in which the first end cap 11 is provided with a screw-in slot 111, and the second end cap 12 is provided with a screw-in protrusion 129, and the first end cap 11 and the second end cap 12 are detachably connected by the screwing of the screw-in slot 111 and the screw-in protrusion 129. When the filter unit 2 is installed in place, the mounting head 23 and the sealing ring rib 128 are sealed and matched, so that the clean water channel 21 and the clean water outlet 123 are sealed and docked, and the clean water and the raw water are prevented from leaking. At this time, the gap formed between the outer side of the filter element 22 and the inner wall of the housing 1 constitutes the raw water channel 3. Preferably, a limiting rib 1281 can be provided on the inner side of the sealing ring rib 128, and the limiting rib 1281 is against the mounting head 23, so that the mounting head 23 is kept at a certain distance from the end face of the housing 1 where the clean water outlet 123 is provided, thereby ensuring the cross-sectional area of ​​the flow channel and increasing the water flow rate.

[0062] Anything not described in this application can be achieved by adopting or drawing on existing technologies.

[0063] The various embodiments in this specification are described in a progressive manner, and the same or similar parts between the various embodiments can be referenced to each other, and each embodiment focuses on the differences from other embodiments.

[0064] The above is only an embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A tap water purifier, characterized in that: include: A housing, wherein the housing has a raw water inlet, a raw water outlet and a clean water outlet; A filter unit, the filter unit is disposed in the housing, the filter unit has a clean water channel, the clean water channel connects the raw water inlet and the clean water outlet, a raw water channel is formed between the filter unit and the housing, the raw water channel connects the raw water inlet and the raw water outlet; A water circuit switching turntable is provided with a raw water inlet and a clean water inlet. The water circuit switching turntable is rotatably arranged on the shell and has a raw water outlet position and a clean water outlet position. When the water circuit switching turntable rotates to the raw water outlet position, the raw water outlet is connected with the raw water inlet and the connection between the clean water outlet and the clean water inlet is cut off. When the water circuit switching turntable rotates to the clean water outlet position, the clean water outlet is connected with the clean water inlet and the connection between the raw water outlet and the raw water inlet is cut off.

2. The tap water purifier according to claim 1, characterized in that: The faucet water purifier further comprises a turntable positioning cover, wherein the turntable positioning cover is connected to the shell, and the waterway switching turntable is limited between the turntable positioning cover and the shell.

3. The tap water purifier according to claim 2, characterized in that: The shell is provided with a connecting portion, the turntable positioning cover is provided with a matching portion, the water channel switching turntable is provided with an avoidance hole, the connecting portion passes through the avoidance hole and is connected to the matching portion, and the water channel switching turntable can rotate around the connecting portion and switch between the raw water outlet station and the purified water outlet station.

4. The tap water purifier according to claim 3, characterized in that: The turntable positioning cover is provided with a drain outlet, and a water flow cavity is formed between the turntable positioning cover and the water channel switching turntable. The raw water flow cavity and the clean water flow cavity are respectively connected to the water flow cavity. The matching part is constructed as a hollow structure surrounding the drain outlet. The matching part is provided with a water flow hole, so that the water flow cavity is connected to the drain outlet through the water flow hole and the hollow cavity of the matching part in sequence.

5. The tap water purifier according to claim 2, characterized in that: The turntable positioning cover is provided with an inner positioning ring rib extending toward the waterway switching turntable, the shell is provided with an outer positioning ring rib extending toward the waterway switching turntable, the waterway switching turntable is provided with an inner positioning step adapted to the inner positioning ring rib and an outer positioning step adapted to the outer positioning ring rib, the inner positioning ring rib cooperates with the inner positioning step and the outer positioning ring rib cooperates with the outer positioning step to limit the waterway switching turntable in the radial direction and / or the axial direction.

6. The faucet water purifier according to claim 1, characterized in that: The shell is provided with a guide column protruding toward the water circuit switching turntable, and the water circuit switching turntable is provided with a guide groove extending along its rotation direction. The guide column and the guide groove are slidably matched to limit the raw water outlet station and the clean water outlet station as two rotation limit positions of the water circuit switching turntable.

7. The tap water purifier according to claim 1, characterized in that: The raw water outlet and the clean water outlet are arranged in a straight line along the radial direction of the waterway switching turntable, and the raw water inlet and the clean water inlet are arranged in a staggered manner along the circumferential direction of the waterway switching turntable.

8. The tap water purifier according to claim 1, characterized in that: The shell is equipped with a first sealing body and a second sealing body. The first sealing body is arranged around the raw water outlet, and the second sealing body is arranged around the clean water outlet. The first sealing body and the second sealing body are respectively against the water channel switching turntable.

9. The tap water purifier according to claim 1, characterized in that: An operating area is provided on the outer edge of the waterway switching turntable. The operating area includes a concave portion and a convex portion. The concave portion and the convex portion are alternately arranged along the circumference of the waterway switching turntable.

10. The tap water purifier according to any one of claims 1 to 9, characterized in that: The shell includes a first end cover and a second end cover, the first end cover and the second end cover are detachably connected to cooperate to form a space for accommodating the filter unit, the raw water inlet, the raw water outlet and the clean water outlet are all arranged on the second end cover, the water channel switching turntable is rotatably arranged on the second end cover, the filter unit includes a filter element and a mounting head, a sealing ring rib is arranged in the second end cover, the clean water outlet is arranged on the inner side of the sealing ring rib, the raw water outlet is arranged on the outer side of the sealing ring rib, and the mounting head is sealed and cooperated with the sealing ring rib.

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