CN222334546U - Tap water purifier - Google Patents

Abstract

The present application discloses a faucet water purifier, wherein a filter unit is arranged in a housing, and has a water purification channel, the water purification channel connects a raw water inlet with a purified water outlet, a raw water channel is formed between the filter unit and the housing, and the raw water channel connects a raw water inlet with a raw water outlet; a waterway switching turntable is provided with a raw water inlet and a purified water inlet, the waterway switching turntable is rotatably arranged in the housing and has a raw water outlet station and a purified water outlet station, when the waterway switching turntable rotates to the raw water outlet station, the raw water outlet is connected to the raw water inlet and the connection between the purified water outlet and the purified water inlet is cut off, when the waterway switching turntable rotates to the purified water outlet station, the purified water outlet is connected to the purified water inlet and the connection between the raw water outlet and the raw water inlet is cut off. The faucet water purifier of the present application uses a waterway switching turntable, so that the waterway switching operation is simple, the parts are few, the structure is simple and compact, which is conducive to miniaturization of the whole machine and saving production costs.

Description

Tap water purifier

Technical Field

The application relates to the technical field of water purifying equipment, in particular to a tap water purifier.

Background

Along with the promotion of economic development and living standard, consumers pay more and more attention to healthy water and drinking water, and the use requirement on water is also higher and higher. The water purifier is accepted and favored by more and more consumers as a device capable of filtering and purifying raw water such as tap water, particularly a tap water purifier which can be fixed at a tap and directly filters impurities and chlorides in water when the tap is discharged.

The existing tap water purifiers are various in variety, but the commonly used tap water purifiers mostly include a waterway switching structure and a filtering structure for filtering raw water into purified water. The waterway switching structure is mainly used for switching the raw water outlet state and the water outlet state, when the waterway switching structure is switched to the raw water outlet state, tap water discharged by the tap is directly discharged through the tap water purifier, and when the waterway switching structure is switched to the water outlet state, the tap water discharged by the tap is filtered by the filtering structure and then is discharged. The existing waterway switching structure has more parts and complex waterways, so that the whole faucet water purifier has larger volume and is bulky in structure, and the switching operation convenience of the water outlet state is not high.

Disclosure of utility model

The present application provides a tap water purifier to solve at least one of the above technical problems.

The technical scheme adopted by the application is as follows:

A tap water purifier comprises a shell, a filtering unit and a waterway switching rotating disc, wherein the shell is provided with a raw water inlet, a raw water outlet and a purified water outlet, the filtering unit is arranged in the shell and is provided with a purified water channel, the raw water inlet and the purified water outlet are communicated through the purified water channel, the raw water channel is formed between the filtering unit and the shell and is communicated with the raw water inlet and the raw water outlet, the waterway switching rotating disc is provided with a raw water passing port and a purified water passing port, the waterway switching rotating disc is rotatably arranged in the shell and is provided with a raw water outlet station and a purified water outlet station, the raw water outlet is communicated with the raw water passing port and the communication of the purified water outlet and the purified water passing port is blocked when the waterway switching rotating disc rotates to the purified water outlet station, and the raw water outlet is communicated with the purified water passing port and the communication of the raw water outlet and the raw water passing port is blocked when the waterway switching rotating disc rotates to the purified water outlet station.

The tap water purifier has the following additional technical characteristics:

The faucet water purifier further comprises a rotary disc positioning cover, the rotary disc positioning cover is connected with the shell, and the waterway switching rotary disc is limited between the rotary disc positioning cover and the shell.

The casing is provided with connecting portion, carousel locating cover is provided with the cooperation portion, the water route switches the carousel and is provided with dodges the hole, connecting portion pass dodge the hole and with the cooperation portion is connected, the water route switches the carousel and can wind connecting portion rotation and be in raw water outlet station with the water purification outlet station switches.

The rotary table positioning cover is provided with a water outlet, a water passing cavity is formed between the rotary table positioning cover and the waterway switching rotary table, the raw water passing port and the purified water passing port are respectively communicated with the water passing cavity, the matching part is constructed to surround a hollow structure around the water outlet, the matching part is provided with water passing holes, and the water passing cavity is communicated with the water outlet through the water passing holes and the hollow cavity of the matching part in sequence.

The water channel switching turntable comprises a shell, a water channel switching turntable, a turntable positioning cover, a positioning ring rib and a positioning ring rib, wherein the positioning ring rib extends towards the water channel switching turntable, the shell is provided with the positioning ring rib extends towards the water channel switching turntable, the water channel switching turntable is provided with a positioning step matched with the positioning ring rib and a positioning step matched with the positioning ring rib, the positioning ring rib is matched with the positioning step, and the positioning ring rib is matched with the positioning ring rib to limit the water channel switching turntable in the radial direction and/or the axial direction.

The casing is provided with towards waterway switching carousel convex guide post, waterway switching carousel is provided with the guide way that extends along its direction of rotation, the guide post with guide way sliding fit will raw water goes out the station with the water purification goes out the station and is limited into two rotation extreme positions of waterway switching carousel.

The raw water outlet and the purified water outlet are arranged in a straight line along the radial direction of the waterway switching turntable, and the raw water passing port and the purified water passing port are arranged in a staggered manner along the circumferential direction of the waterway switching turntable.

The housing is provided with a first sealing body and a second sealing body, the first sealing body is arranged around the raw water outlet, the second sealing body is arranged around the purified water outlet, and the first sealing body and the second sealing body are respectively propped against the waterway switching turntable.

The outer edge of waterway switching turntable is provided with an operation area, the operation area comprises a concave portion and a convex portion, and the concave portion and the convex portion are alternately arranged along the circumferential direction of the waterway switching turntable.

The casing includes first end cover and second end cover, first end cover with second end cover detachably connects and cooperates to form the space that holds filter unit, the raw water entry raw water export with the water purification export all set up in the second end cover, the waterway switches the carousel rotationally set up in the second end cover, filter unit includes filter core and installation head, be provided with sealed ring muscle in the second end cover, the water purification export sets up sealed ring muscle inboard, the raw water export sets up sealed ring muscle outside, the installation head with sealed ring muscle sealing fit.

By adopting the technical scheme, the application has the following technical effects:

1. In the faucet water purifier provided by the application, when the waterway switching turntable rotates to the raw water outlet station, the raw water outlet is communicated with the raw water outlet and is blocked from being communicated with the purified water outlet and the purified water passing port, at the moment, when the faucet discharges raw water outwards, raw water sequentially passes through the raw water inlet, the raw water channel, the raw water outlet and the raw water passing port to be discharged, so that the faucet water purifier is in a raw water outlet state, when the waterway switching turntable rotates to the raw water outlet station, the purified water outlet is communicated with the purified water passing port and is blocked from being communicated with the raw water passing port, at the moment, when the faucet discharges raw water outwards, the raw water sequentially passes through the raw water inlet and the purified water channel to be converted into purified water and then is discharged through the purified water outlet and the purified water passing port to be discharged, and the faucet water purifier is in a purified water outlet state.

2. As a preferable mode of the application, the waterway switching turntable is limited between the turntable positioning cover and the shell, so that the waterway switching turntable is prevented from moving towards the direction away from the shell to generate a gap with the shell, the stable and reliable correspondence between the raw water outlet and the raw water passing port and the stable and reliable correspondence between the purified water outlet and the purified water passing port are ensured, and the water leakage risk is reduced.

3. As a preferable mode of the application, the connecting part passes through the avoiding hole arranged on the waterway switching turntable and is connected with the matching part, so that the connection between the shell and the turntable positioning cover is realized, the waterway switching turntable is clamped and limited, the radial limit of the waterway switching turntable can be realized through the support of the connecting part on the waterway switching turntable, and meanwhile, the connecting part can also be used as a rotating shaft for the waterway switching turntable to rotate relative to the shell.

4. As a preferred mode of the application, the raw water passing port and the purified water passing port are respectively communicated with the water outlet through the water passing cavity, on one hand, purified water and raw water are discharged through the same water port to realize integrated water discharge, the waterway structure and the accessory structure are simplified, on the other hand, the raw water and the purified water can be buffered and buffered in the water passing cavity, and the purified water can be discharged through the water outlet when the water quantity in the water passing cavity reaches a certain degree, thereby being beneficial to improving the water outlet stability and reducing the water flow disturbance and drift phenomenon.

5. As a preferable mode of the application, the guide post and the guide groove are in sliding fit to limit the raw water outlet station and the purified water outlet station to two rotation limit positions of the waterway switching turntable, so that strict limitation of the rotation angle of the waterway switching turntable is realized, and the hand feeling prompt that an operator has rotated the waterway switching turntable to the raw water outlet station or the purified water outlet station is given by the stops at the two end parts of the guide post and the guide groove.

6. The water channel switching rotary table is used for sealing a raw water outlet, ensuring the sealing performance of the raw water outlet and a raw water passing port in butt joint when the water channel switching rotary table is at a raw water outlet station, ensuring that the raw water outlet cannot leak water when the water channel switching rotary table is at a pure water outlet station, and ensuring the sealing performance of the raw water outlet and a pure water passing port in butt joint when the water channel switching rotary table is at a pure water outlet station.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:

FIG. 1 is a first assembly view of a faucet mounted water purifier according to an embodiment of the present application;

FIG. 2 is an exploded view of a faucet mounted water purifier according to an embodiment of the present application;

FIG. 3 is a cross-sectional view of a faucet mounted water purifier according to an embodiment of the present application;

FIG. 4 is a second assembly view of the faucet mounted water purifier according to the present application;

FIG. 5 is a schematic structural view of a second end cap of a housing according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of a waterway switching turntable according to an embodiment of the present application;

Fig. 7 is a schematic structural diagram of a waterway switching turntable according to an embodiment of the present application;

Fig. 8 is a schematic structural view of a turntable positioning cover according to an embodiment of the present application;

FIG. 9 is an enlarged view of a portion of the structure at A in FIG. 3;

Fig. 10 is a cross-sectional view of a second end cap of a housing provided in an embodiment of the present application.

List of parts and reference numerals:

1a shell, 11 a first end cover, 111 a turnbuckle clamping groove, 12 a second end cover, 121 a raw water inlet, 122 a raw water outlet, 123 a purified water outlet, 124 a connecting part, 125 an outer positioning ring rib, 126 a guide column, 127 an indication mark, 128 a sealing ring rib, 1281 a limiting rib and 129 a turnbuckle bulge;

2a filtering unit, a 21 water purifying channel, a 22 filter element and a 23 mounting head;

3 a raw water channel;

4 waterway switching turntables, 41 raw water passing ports, 42 water purifying passing ports, 43 avoiding holes, 44 positioning steps, 45 outer positioning steps, 46 guide grooves, 47 concave parts, 48 convex parts and 49 display marks;

5, a turntable positioning cover, a 51 matching part, 511 water holes, 52 water outlets, 53 positioning ring ribs and 531 protruding points;

6, passing through a water cavity;

7, a first sealing body;

8 a second sealing body.

Detailed Description

In order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited to the specific embodiments disclosed below.

In addition, in the description of the present application, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", "transverse", "longitudinal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, or in communication, directly connected, or indirectly connected via an intervening medium, or in communication between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In the embodiments of the present application, a faucet water purifier is provided, and for convenience of explanation and understanding, the following description is provided based on the structure of the illustrated product. It will of course be appreciated by those skilled in the art that the above-described construction is provided as a specific example and illustrative only and is not intended to constitute a specific limitation on the scope of the application.

Referring to fig. 1 to 10, the faucet water purifier provided by the application comprises a shell 1, a filtering unit 2 and a waterway switching turntable 4, wherein the shell 1 is provided with a raw water inlet 121, a raw water outlet 122 and a purified water outlet 123, the filtering unit 2 is arranged in the shell 1, the filtering unit 2 is provided with a purified water channel 21, the raw water inlet 121 and the purified water outlet 123 are communicated through the purified water channel 21, a raw water channel 3 is formed between the filtering unit 2 and the shell 1, the raw water inlet 121 and the raw water outlet 122 are communicated through the raw water channel 3, the waterway switching turntable 4 is provided with a raw water inlet 41 and a purified water outlet 42, the waterway switching turntable 4 is rotatably arranged in the shell 1 and is provided with a raw water outlet station and a purified water outlet station, the waterway switching turntable 4 is rotatably arranged in the shell 1, when rotated to the raw water outlet station, the raw water outlet 122 is communicated with the raw water outlet 41 and the raw water outlet 123 is blocked from being communicated with the purified water outlet 42, and when the waterway switching turntable 4 is rotated to the purified water outlet station is communicated with the raw water outlet 123 and the purified water outlet 42. As shown in fig. 3 and 4, the waterway switching dial 4 is positioned at the raw water outlet station, and at this time, the raw water outlet 122 is communicated with the raw water passing port 41, and the communication state between the purified water outlet 123 and the purified water passing port 42 is blocked.

In the tap water purifier provided by the application, when the waterway switching rotary table 4 rotates to a raw water outlet station, the raw water outlet 122 is communicated with the raw water passing port 41 and the communication between the raw water outlet 123 and the raw water passing port 42 is cut off, at the moment, when the tap discharges raw water outwards, the raw water sequentially passes through the raw water inlet 121, the raw water channel 3, the raw water outlet 122 and the raw water passing port 41 to be discharged, so that the tap water purifier is in a raw water outlet state, when the waterway switching rotary table 4 rotates to the raw water outlet station, the raw water outlet 123 is communicated with the raw water passing port 42 and the communication between the raw water outlet 122 and the raw water passing port 41 is cut off, at the moment, when the tap discharges raw water outwards, the raw water is converted into purified water through the raw water inlet 121 and the purified channel 21 and then is discharged through the raw water outlet 123 and the purified water passing port 42, and the tap water purifier is in a raw water outlet state.

When the water tap is used for draining, tap water enters the shell 1 from the raw water inlet 121, wherein one part of the tap water enters the raw water channel 3, the other part of the tap water enters the water purifying channel 21 to realize filtration, and raw water or purified water is selectively discharged according to the station where the waterway switching turntable 4 is positioned.

As a preferred embodiment of the present application, as shown in fig. 1 to 3, the tap water purifier further includes a dial positioning cover 5, the dial positioning cover 5 is connected to the housing 1, and the waterway switching dial 4 is limited between the dial positioning cover 5 and the housing 1. As can be appreciated by those skilled in the art, the waterway switching turntable 4 is limited between the turntable positioning cover 5 and the housing 1, so that the waterway switching turntable 4 is prevented from moving in a direction away from the housing 1 to form a gap with the housing 1, the raw water outlet 122 is ensured to be stably and reliably corresponding to the raw water passing port 41, and the purified water outlet 123 is ensured to be stably and reliably corresponding to the purified water passing port 42, and the risk of water leakage is reduced. In the preferred embodiment, the connection of the turntable positioning cover 5 and the shell 1 can be used to limit the axial direction and the radial direction of the waterway switching turntable 4, and only the degree of freedom of the circumferential rotation of the waterway switching turntable 4 is reserved, so that the waterway switching turntable 4 can be rotationally switched between two stations.

As a preferred embodiment, as shown in fig. 3, 5, 6 and 8, the housing 1 is provided with a connection portion 124, the turntable positioning cover 5 is provided with a mating portion 51, the waterway switching turntable 4 is provided with a dodging hole 43, the connection portion 124 passes through the dodging hole 43 to be connected with the mating portion 51, and the waterway switching turntable 4 can rotate around the connection portion 124 to 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 in the waterway switching turntable 4 and is connected with the matching portion 51, so that the waterway switching turntable 4 is clamped and limited by the connection between the housing 1 and the turntable positioning cover 5, and the waterway switching turntable 4 is radially limited by the support of the waterway switching turntable 4 by the connection portion 124, and meanwhile, the connection portion 124 can also be used as a rotating shaft for rotating the waterway switching turntable 4 relative to the housing 1. In order to ensure smooth rotation of the waterway switching dial 4, it is preferable that the connection portion 124 is provided in a shaft-like structure having a circular cross section. The connection manner of the connection portion 124 and the mating portion 51 is not particularly limited in the present application, and for example, the connection portion 124 and the mating portion 51 may be screwed, snap-fit, insert-fit, or the like. The present application schematically illustrates an embodiment in which the connection portion 124 is provided with external threads and the mating portion 51 is provided with internal threads, so that the connection portion 124 and the mating portion 51 are screw-fitted.

Further, as shown in fig. 3 and 8, the turntable positioning cover 5 is provided with a water outlet 52, a water passing cavity 6 is formed between the turntable positioning cover 5 and the waterway switching turntable 4, the raw water passing port 41 and the purified water passing port 42 are respectively communicated with the water passing cavity 6, the matching part 51 is configured as a hollow structure surrounding the water outlet 52, and the matching part 51 is provided with a water passing hole 511, so that the water passing cavity 6 is sequentially communicated with the water outlet 52 through the water passing hole 511 and the hollow cavity of the matching part 51. Specifically, when carousel locating cover 5 is spacing on casing 1 with water route switching carousel 4, cooperation forms water cavity 6 between carousel locating cover 5 and the water route switching carousel 4, raw water crossing mouth 41 with water purification crossing mouth 42 all is towards crossing the interior opening of water cavity 6, raw water crossing mouth 41 and water purification crossing mouth 42 respectively through crossing water cavity 6 intercommunication outlet 52, on the one hand, water purification and raw water are discharged through same mouth, realize integrated drainage, water route structure and accessory structure have been simplified, on the other hand, raw water and water purification can be in water cavity 6 buffering and buffering, just can discharge through outlet 52 when the water yield in water cavity 6 reaches a certain extent, help promoting water stability, reduce the water flow turbulence phenomenon of drifting. When the raw water is discharged, the raw water enters the water passing cavity 6 from the raw water passing port 41 and then enters the water discharging port 52 through the water passing hole 511 arranged in the matching part 51, and similarly, when the purified water is discharged, the purified water enters the water passing cavity 6 from the purified water passing port 42 and then enters the water discharging port 52 through the water passing hole 511 arranged in the matching part 51.

As a preferred embodiment, as shown in fig. 3 and 4 to 9, the turntable positioning cover 5 is provided with an inner positioning ring rib 53 extending toward the waterway switching turntable 4, the housing 1 is provided with an outer positioning ring rib 125 extending toward the waterway switching turntable 4, the waterway 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 is matched with the inner positioning step 44 and the outer positioning ring rib 125 is matched with the outer positioning step 45 to limit the waterway switching turntable 4 in a radial direction and/or an axial direction. During specific assembly, the outer positioning step 45 of the waterway switching turntable 4 is aligned to be matched with the outer positioning ring rib 125 arranged on the shell 1, 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 realize radial limiting, the ends of the inner positioning ring rib 53 and the outer positioning ring rib 125 respectively abut against two ends of the waterway switching turntable 4 to realize axial limiting, and particularly, the inner side of the inner positioning ring rib 53 forms a water passing cavity 6 after the inner positioning ring rib 53 of the turntable positioning cover 5 abuts against the waterway switching turntable 4. Preferably, as shown in fig. 8 and 9, a plurality of protruding points 531 may be disposed at intervals at the end of the inner positioning ring rib 53, so that the inner positioning ring rib 53 abuts against the waterway switching turntable 4 through the protruding points 531, and further, the contact area between the inner positioning ring rib 53 and the waterway switching turntable 4 is reduced, and therefore, the friction force from the inner positioning ring rib 53, which is received in the rotating process of the waterway switching turntable 4, is reduced, the smoothness of the rotation of the waterway switching turntable 4 is improved, and the rotating operation is more labor-saving.

As a preferred embodiment of the present application, as shown in fig. 5 and 6, the housing 1 is provided with a guide post 126 protruding toward the waterway switching dial 4, the waterway switching dial 4 is provided with a guide groove 46 extending in a rotation direction thereof, and the guide post 126 and the guide groove 46 are slidably engaged to define the raw water outlet station and the purified water outlet station as two rotation limit positions of the waterway switching dial 4. As will be appreciated by those skilled in the art, the guide post 126 and the guide groove 46 are slidably engaged to limit the raw water outlet station and the purified water outlet station to two rotation limit positions of the waterway switching turntable 4, so that strict limitation of the rotation angle of the waterway switching turntable 4 is achieved, and the operator is given a feel indication that the waterway switching turntable 4 has been rotated to the raw water outlet station or the purified water outlet station by the stops of the guide post 126 and the two ends of the guide groove 46.

As a preferred embodiment of the present application, as shown in fig. 5 and 6, the raw water outlet 122 and the purified water outlet 123 are arranged in a straight line along the radial direction of the waterway switching turntable 4, and the raw water passing port 41 and the purified water passing port 42 are arranged in a staggered manner along the circumferential direction of the waterway switching turntable 4, so that the raw water outlet 122 and the raw water passing port 41 are directly communicated when the waterway switching turntable 4 is positioned at the raw water outlet station, the purified water outlet 123 and the purified water passing port 42 are directly communicated when the waterway switching turntable 4 is positioned at the purified water outlet station, and the purified water outlet 123 and the purified water passing port 42 are directly communicated when the raw water outlet 122 and the raw water passing port 41 are directly staggered and are directly blocked. The application does not limit the number of the raw water outlets 122 and the purified water outlets 123 specifically, the application schematically shows an embodiment that the housing 1 is provided with two raw water outlets 122 and two purified water outlets 123, the two raw water outlets 122 are symmetrically arranged about the connecting portion 124, the two purified water outlets 123 are also symmetrically arranged about the connecting portion 124, the two raw water outlets 122 and the two purified water outlets 123 are arranged in a straight shape, correspondingly, the waterway switching turntable 4 is correspondingly provided with two raw water through holes 41 and two purified water through holes 42, the two raw water through holes 41 are symmetrically arranged about the avoidance holes 43, and the two purified water through holes 42 are also symmetrically arranged about the avoidance holes 43.

As a preferred embodiment of the present application, as shown in fig. 9, the housing 1 is mounted with a first sealing body 7 and a second sealing body 8, the first sealing body 7 being disposed around the raw water outlet 122, the second sealing body 8 being disposed around the purified water outlet 123, the first sealing body 7 and the second sealing body 8 being respectively abutted against the waterway switching dial 4. The first sealing body 7 is used for sealing the raw water outlet 122, ensuring the sealing performance of the butt joint of the raw water outlet 122 and the raw water passing port 41 when the waterway switching turntable 4 is at the raw water outlet station and ensuring that the raw water outlet 122 cannot leak water when the waterway switching turntable 4 is at the raw water outlet station, and the first sealing body 7 is used for sealing the purified water outlet 123, ensuring the sealing performance of the butt joint of the purified water outlet 123 and the purified water passing port 42 when the waterway switching turntable 4 is at the purified water outlet station and ensuring that the purified water outlet 123 cannot leak water when the waterway switching turntable 4 is at the raw water outlet station.

As a preferred embodiment of the present application, as shown in fig. 6, the outer edge of the waterway switching dial 4 is provided with an operation area including concave portions 47 and convex portions 48, the concave portions 47 and the convex portions 48 being alternately arranged along the circumferential direction of the waterway switching dial 4. It can be understood by those skilled in the art that the concave portion 47 and the convex portion 48 uniformly distributed circumferentially are arranged on the circumference of the waterway switching turntable 4, so that the hand feeling of the waterway switching turntable 4 is effectively improved, the friction between the waterway switching turntable 4 and a human hand is increased, and the slipping phenomenon is reduced. Preferably, an indication mark 127, such as an arrow-shaped indication mark 127 shown in fig. 5, may be provided on the housing 1, and a display mark 49, such as a "raw water" and a "purified water" text display mark 49 shown in fig. 6, may be provided on the waterway switching dial 4, and the indication mark 127 and the display mark 49 cooperate to facilitate informing the user of whether the water currently used is raw water or purified water.

As a preferred embodiment of the present application, as shown in fig. 1 to 10, the housing 1 includes a first end cap 11 and a second end cap 12, the first end cap 11 and the second end cap 12 are detachably connected to form a space for accommodating the filter unit 2, the raw water inlet 121, the raw water outlet 122 and the purified water outlet 123 are all disposed on the second end cap 12, the waterway switching dial 4 is rotatably disposed on the second end cap 12, the filter unit 2 includes a filter cartridge 22 and a mounting head 23, a sealing ring rib 128 is disposed in the second end cap 12, the purified water outlet 123 is disposed inside the sealing ring rib 128, the raw water outlet 122 is disposed outside the sealing ring rib 128, and the mounting head 23 is in sealing engagement with the sealing ring rib 128. It will be appreciated by those skilled in the art that by removably connecting the first end cap 11 and the second end cap 12, the cartridge 22 is conveniently exposed by being separated when the cartridge 22 is replaced. Specifically, as shown in fig. 2, 3 and 10, the present application schematically illustrates an embodiment in which the first end cap 11 is provided with a turnbuckle slot 111, and the second end cap 12 is provided with a turnbuckle protrusion 129, and the first end cap 11 and the second end cap 12 are detachably connected by screwing the turnbuckle slot 111 and the turnbuckle protrusion 129. When the filter unit 2 is mounted in place, the mounting head 23 and the sealing ring rib 128 are in sealing fit, so that the purified water channel 21 is in sealing butt joint with the purified water outlet 123, and purified water and raw water channeling are prevented, and at this time, a gap formed between the outer side of the filter element 22 and the inner wall of the housing 1 forms the raw water channel 3. Preferably, a limit rib 1281 can be arranged on the inner side of the seal ring rib 128, and the limit rib 1281 is propped against the mounting head 23, so that the mounting head 23 is kept at a certain distance from the end face of the shell 1, where the purified water outlet 123 is arranged, and the cross-sectional area of the flow passage is further ensured, and the water flow rate is increased.

The application can be realized by adopting or referring to the prior art at the places which are not described in the application.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments.

The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and variations of the present application will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the application are to be included in the scope of the claims of the present application.

Claims (10)

1. A faucet mounted water purifier, comprising:

A housing having a raw water inlet, a raw water outlet, and a purified water outlet;

The filtering unit is arranged in the shell and is provided with a water purifying channel, the water purifying channel is used for communicating the raw water inlet with the water purifying outlet, a raw water channel is formed between the filtering unit and the shell, and the raw water channel is used for communicating the raw water inlet with the raw water outlet;

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, 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 blocked when the water path switching turntable rotates to the raw water outlet station, and 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 blocked when the water path switching turntable rotates to the purified water outlet station.

2. The faucet water purifier of claim 1, wherein the faucet water purifier comprises a housing,

The faucet water purifier further comprises a rotary disc positioning cover, the rotary disc positioning cover is connected with the shell, and the waterway switching rotary disc is limited between the rotary disc positioning cover and the shell.

3. The faucet water purifier of claim 2, wherein the faucet water purifier comprises a housing,

The casing is provided with connecting portion, carousel locating cover is provided with the cooperation portion, the water route switches the carousel and is provided with dodges the hole, connecting portion pass dodge the hole and with the cooperation portion is connected, the water route switches the carousel and can wind connecting portion rotation and be in raw water outlet station with the water purification outlet station switches.

4. A faucet water purifier as recited in claim 3, wherein,

The rotary table positioning cover is provided with a water outlet, a water passing cavity is formed between the rotary table positioning cover and the waterway switching rotary table, the raw water passing port and the purified water passing port are respectively communicated with the water passing cavity, the matching part is constructed to surround a hollow structure around the water outlet, the matching part is provided with water passing holes, and the water passing cavity is communicated with the water outlet through the water passing holes and the hollow cavity of the matching part in sequence.

5. The faucet water purifier of claim 2, wherein the faucet water purifier comprises a housing,

The water channel switching turntable comprises a shell, a water channel switching turntable, a turntable positioning cover, a positioning ring rib and a positioning ring rib, wherein the positioning ring rib extends towards the water channel switching turntable, the shell is provided with the positioning ring rib extends towards the water channel switching turntable, the water channel switching turntable is provided with a positioning step matched with the positioning ring rib and a positioning step matched with the positioning ring rib, the positioning ring rib is matched with the positioning step, and the positioning ring rib is matched with the positioning ring rib to limit the water channel switching turntable in the radial direction and/or the axial direction.

6. The faucet water purifier of claim 1, wherein the faucet water purifier comprises a housing,

The casing is provided with towards waterway switching carousel convex guide post, waterway switching carousel is provided with the guide way that extends along its direction of rotation, the guide post with guide way sliding fit will raw water goes out the station with the water purification goes out the station and is limited into two rotation extreme positions of waterway switching carousel.

7. The faucet water purifier of claim 1, wherein the faucet water purifier comprises a housing,

The raw water outlet and the purified water outlet are arranged in a straight line along the radial direction of the waterway switching turntable, and the raw water passing port and the purified water passing port are arranged in a staggered manner along the circumferential direction of the waterway switching turntable.

8. The faucet water purifier of claim 1, wherein the faucet water purifier comprises a housing,

The housing is provided with a first sealing body and a second sealing body, the first sealing body is arranged around the raw water outlet, the second sealing body is arranged around the purified water outlet, and the first sealing body and the second sealing body are respectively propped against the waterway switching turntable.

9. The faucet water purifier of claim 1, wherein the faucet water purifier comprises a housing,

The outer edge of waterway switching turntable is provided with an operation area, the operation area comprises a concave portion and a convex portion, and the concave portion and the convex portion are alternately arranged along the circumferential direction of the waterway switching turntable.

10. The faucet water purifier of any one of claims 1-9, wherein,

The casing includes first end cover and second end cover, first end cover with second end cover detachably connects and cooperates to form the space that holds filter unit, the raw water entry raw water export with the water purification export all set up in the second end cover, the waterway switches the carousel rotationally set up in the second end cover, filter unit includes filter core and installation head, be provided with sealed ring muscle in the second end cover, the water purification export sets up sealed ring muscle inboard, the raw water export sets up sealed ring muscle outside, the installation head with sealed ring muscle sealing fit.