CN221107319U - Tap water purifier - Google Patents

Abstract

The application discloses a tap water purifier, which comprises a shell and a filter assembly arranged in the shell, wherein a raw water cavity and a water outlet cavity positioned in the raw water cavity are formed between the filter assembly and the shell, the filter assembly is provided with a purified water outlet communicated with the water outlet cavity, the shell is provided with a water outlet hole for communicating the water outlet cavity with the outside and a raw water hole for communicating the water outlet cavity with the raw water cavity on the wall surrounding the water outlet cavity, the shell is provided with a sealing plug, and the sealing plug is provided with a first position for sealing the raw water hole and cutting off the raw water cavity from being communicated with the water outlet cavity and a second position for opening the raw water hole and communicating the raw water cavity with the water outlet cavity through the raw water hole. The tap water purifier disclosed by the application is beneficial to simplifying the structure of the tap water purifier, has simpler and more compact structure, also solves the problem of continuous dripping when the tap water purifier is switched from purified water to raw water, and is convenient and simple to operate.

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 water is discharged.

The existing tap water purifiers are various in variety, but the commonly used tap water purifiers mostly include a waterway conversion structure for water flow conversion and a filtering structure for filtering raw water into purified water. The waterway conversion structure is mainly used for switching the raw water outlet state and the purified water outlet state of the tap water purifier. The existing waterway switching device is large in size and complex in structure, a raw water outlet for outputting raw water and a water purifying outlet for outputting purified water are respectively arranged at two different positions, and when the water purifying outlet state is switched to the raw water outlet state, residual pressure in the filtering structure presses out the internal purified water, so that the phenomenon that the water purifying outlet continuously drops water occurs.

Disclosure of utility model

The application provides a tap water purifier, which aims to solve at least one technical problem among the technical problems.

The technical scheme adopted by the application is as follows:

The utility model provides a tap water purifier, includes the shell and locates filter equipment in the shell, filter equipment with form the raw water cavity and be located between the shell the play water cavity of raw water cavity, filter equipment be provided with go out the water outlet of water cavity intercommunication, the shell enclose on the wall of going out the water cavity be provided with go out the apopore of water cavity and external intercommunication, and will go out the water cavity with the raw water cavity intercommunication's raw water hole, the sealing plug is installed to the shell, the sealing plug has and seals the raw water hole and cut off the raw water cavity with go out the first position of water cavity intercommunication and open the raw water hole makes raw water cavity with go out the water cavity passes through the raw water hole intercommunication's second position.

The tap water purifier has the following additional technical characteristics:

The shell is further provided with a change-over switch, the change-over switch drives the sealing plug to move and switch between the first position and the second position when rotating relative to the shell, the shell is provided with a first sealing surface extending around the outer side of the raw water hole, the sealing plug is provided with a sealing part, the sealing part is provided with a second sealing surface, when the sealing plug is positioned at the first position, the first sealing surface and the second sealing surface are in sealing fit to seal the raw water hole, when the sealing plug is positioned at the second position, a raw water channel which communicates the raw water cavity with the raw water hole is formed between the first sealing surface and the second sealing surface.

The sealing plug is provided with a limiting part connected with the sealing part, the sealing plug is driven to synchronously rotate by being matched with the limiting part in a limiting way when the change-over switch rotates, and the first sealing surface is constructed to guide the second sealing surface to translate from the first position to the second position in the process that the sealing plug follows the change-over switch to rotate along the first direction, so that a raw water channel is formed between the first sealing surface and the second sealing surface.

The first sealing surface and the second sealing surface are respectively constructed into spiral surfaces which extend spirally along the translation direction of the sealing plug, and the sealing plug is matched with the second sealing surface spirally to push the second sealing surface to translate towards the second position in the process that the sealing plug follows the change-over switch to rotate along the first direction.

The limiting part and the change-over switch are provided with sliding holes, the other one of the limiting part and the change-over switch is provided with a sliding shaft, the sliding shaft is in sliding fit with the sliding holes to guide the sealing plug to switch between the first position and the second position, a plurality of limiting convex ribs extending along the axial direction are arranged on the outer side of the sliding shaft, limiting clamping grooves which are embedded with the limiting convex ribs are formed in the wall of the sliding hole, and the change-over switch drives the sealing plug to rotate through the embedding of the limiting convex ribs and the limiting clamping grooves.

And a first elastic piece is arranged between the limiting part and the change-over switch, and the first elastic piece drives the sealing plug to move towards the first position in a translation way in the process that the sealing plug follows the change-over switch to rotate along a second direction opposite to the first direction.

The shell is provided with a mounting channel with one end open and the other end extending towards the raw water hole, and the sealing plug is arranged in the mounting channel; one end of the change-over switch is inserted into the installation channel through the opening and is connected with the sealing plug, and the other end of the change-over switch is a handle which protrudes out of the shell and is rotationally connected with the shell; the wall of the installation channel is provided with a water passing hole communicated with the raw water cavity, the periphery of the sealing plug is provided with a sealing ring, when the sealing plug is positioned at the first position, the sealing ring is positioned between the water passing hole and the raw water hole to cut off the communication between the water passing hole and the raw water hole, when the sealing plug is positioned at the second position, the sealing ring is positioned at one side of the water passing hole away from the raw water hole to enable the water passing hole to be communicated with the raw water hole through the raw water channel.

The shell is further provided with a rotary position indicating assembly, the rotary position indicating assembly comprises a second elastic piece, a spherical body and a cap, the cap is connected with the shell and drives the spherical body to abut against the outer peripheral surface of the change-over switch through the second elastic piece, a plurality of spherical grooves are formed in the outer peripheral surface of the change-over switch at intervals along the circumferential direction, and when the change-over switch rotates, the spherical body can be switched from one spherical groove to the other spherical groove.

The shell comprises an upper shell body and a lower cover body, the filter assembly comprises a filter element and a base used for installing the filter element, an upward extending annular boss is arranged on the inner surface of the lower cover body, the annular boss bears the base and is matched with the base to form the water outlet cavity, the raw water hole is formed in the annular boss, the water purifying outlet is formed in the base, and a one-way valve which enables the filter element to be conducted in one direction from the water outlet cavity is arranged in the water purifying outlet.

The bottom surface of lower lid is provided with a plurality of evenly arranged the apopore, the internal surface of lower lid sets up the orientation the reposition of redundant personnel breakwater that extends in the apopore, the reposition of redundant personnel breakwater stands in between the apopore with the raw water hole and to the warp the raw water hole gets into the liquid in the apopore carries out orientation a plurality of directions dispersion.

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

1. In the tap water purifier provided by the application, the shell is provided with the water outlet hole for communicating the water outlet cavity with the outside and the raw water hole for communicating the water outlet cavity with the raw water cavity on the wall surrounding the water outlet cavity, when the sealing plug is positioned at the first position, the raw water hole is closed to cut off the communication between the raw water cavity and the water outlet cavity, so that the tap water purifier is in a state capable of discharging purified water, and the filtering component discharges the purified water through the water outlet cavity and the water outlet hole; when the sealing plug is positioned at the second position, the raw water hole is opened to enable the raw water cavity and the water outlet cavity to be communicated through the raw water hole, so that the tap water purifier is in a raw water outlet state, and raw water is discharged through the raw water cavity, the raw water hole, the water outlet cavity and the water outlet hole, therefore, the raw water and the purified water share the water outlet cavity and the water outlet hole to be discharged.

2. As a preferable mode of the application, when the change-over switch rotates relative to the shell, the sealing plug is driven to move and switch between the first position and the second position, so that a user can switch the position of the sealing plug only by rotating the change-over switch, thereby realizing the switching of two water outlet states of the tap water purifier, improving the convenience of operation and being beneficial to improving the use experience; when the sealing plug is positioned at the first position, the first sealing surface and the second sealing surface are in sealing fit to seal the raw water hole, and when the sealing plug is positioned at the second position, the first sealing surface and the second sealing surface are separated to construct a raw water channel for communicating the raw water cavity with the raw water hole, so that the sealing mode of the sealing plug on the raw water hole is simple and feasible.

3. As a preferred mode of the application, when the change-over switch rotates, the sealing plug is driven to synchronously rotate through the limit fit of the limit part, and in the process that the sealing plug follows the change-over switch to rotate, the first sealing surface guides the second sealing surface to translate from the first position to the second position, so that the fit of the first sealing surface and the second sealing surface not only enables the sealing plug to form a seal on a raw water hole, but also can drive the sealing plug to translate towards the second position through the first sealing surface, thereby realizing a mode of driving the translation by a pure mechanical structure, enabling the translation of the sealing plug to be simpler and easier to realize, and being beneficial to saving cost.

4. As a preferable mode of the application, the first sealing surface and the second sealing surface are respectively constructed into spiral surfaces which extend spirally along the translation direction of the sealing plug, so that the sealing plug can move along the spiral trend of the first sealing surface in the process of following the rotation of the change-over switch, and the first sealing surface and the second sealing surface form spiral fit, so that the fit is tighter, and the sealing effect of the sealing plug on the raw water hole is better.

5. As a preferable mode of the application, the first elastic piece is arranged between the limiting part and the change-over switch, and can keep the trend of the sealing plug moving towards the first position, so that the first elastic piece drives the sealing plug to automatically translate towards the first position in the process of following the change-over switch to rotate along the second direction, the structure is simple, the structure for resetting the sealing plug towards the first position is simplified, and the cost is saved.

6. As a preferable mode of the application, when the sealing plug is positioned at the first position, the communication between the water hole and the raw water hole is cut off, when the sealing plug is positioned at the second position, the sealing ring is positioned at one side of the water hole, which is away from the raw water hole, so that the water hole is communicated with the raw water hole through the raw water channel, and when the sealing plug is positioned at the first position, the sealing plug can seal and seal the raw water hole through the cooperation of the first sealing surface and the second sealing surface, and the sealing effect on the raw water hole can be enhanced through the sealing plug cutting off the communication between the water hole and the raw water hole.

7. As a preferable mode of the application, the arrangement of the rotary position indicating assembly makes the switching switch give out a click sound and a rotary hand feeling through the switching process of the spherical body in different spherical grooves in the rotary process, thereby being beneficial to improving the use experience of a user when rotating the switching switch.

8. As a preferable mode of the application, the bottom surface of the lower cover body is provided with a plurality of evenly arranged water outlet holes to form shower-type water outlet, which is beneficial to improving the water outlet shape and reducing the water flow sputtering; the internal surface of lower lid sets up the reposition of redundant personnel breakwater that extends towards the apopore in, and the reposition of redundant personnel breakwater stands between apopore and raw water hole and carries out the dispersion towards a plurality of directions to the liquid that gets into the apopore in the apopore, avoids raw water to directly dash only from partial apopore outflow after getting into the apopore, makes the omnidirectional utilization of raw water all apopore, has increased the continuity of raw water play water, and sputter preventing effect is good, the water form is also more pleasing to the eye.

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 an exploded view of a faucet mounted water purifier according to the present application;

FIG. 2 is an assembly view of the faucet mounted water purifier provided by the present application;

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

FIG. 4 is an enlarged view of a portion of the structure at A in FIG. 3;

FIG. 5 is a second cross-sectional view of the faucet mounted water purifier of the present application;

FIG. 6 is an enlarged view of a portion of the structure at B in FIG. 5;

fig. 7 is a schematic structural view of a sealing plug provided by the application;

fig. 8 is a schematic diagram of a structure of a lower cover of a housing according to the present application;

fig. 9 is a schematic structural diagram of a switch provided by the present application;

fig. 10 is an assembly view of a sealing plug and a diverter switch provided by the present application;

fig. 11 is a schematic diagram of a lower cover of the housing according to the present application.

List of parts and reference numerals:

1a shell, 11a water outlet hole, 12 a raw water hole, 13 a first sealing surface, 14a mounting channel, 15 a water outlet hole, 16 a mounting hole, 17 an upper shell, 18 a lower cover body, 181 an annular boss and 182 a diversion water baffle;

2a filter assembly, a purified water outlet, a filter element 22 and a base 23;

31 raw water cavity, 32 water outlet cavity and 33 raw water channel;

The sealing plug is 4, the sealing part is 41, the second sealing surface is 411, the limiting part is 42, the sliding shaft is 421, the limiting convex rib is 422, and the sealing ring is 43;

5, a water inlet structure;

6, a change-over switch, 61 sliding holes, 62 limiting clamping grooves, 63 operating handles and 64 spherical grooves;

7 a first elastic member;

8 a rotary position indicating assembly, 81 a second elastic member, 82 a spherical body, 83 a cap;

9 one-way valve.

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; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the 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 5, the faucet water purifier provided by the application comprises a shell 1 and a filter assembly 2 arranged in the shell 1, a raw water cavity 31 and a water outlet cavity 32 positioned in the raw water cavity 31 are formed between the filter assembly 2 and the shell 1, the filter assembly 2 is provided with a purified water outlet 21 communicated with the water outlet cavity 32, a water outlet hole 11 for communicating the water outlet cavity 32 with the outside and a raw water hole 12 for communicating the water outlet cavity 32 with the raw water cavity 31 are arranged on the wall of the shell 1 surrounding the water outlet cavity 32, the shell 1 is provided with a sealing plug 4, and the sealing plug 4 is provided with a first position for sealing the raw water hole 12 and cutting off the raw water cavity 31 and the water outlet cavity 32 from being communicated and a second position for opening the raw water hole 12 and enabling the raw water cavity 31 and the water outlet cavity 32 to be communicated through the raw water hole 12. Specifically, fig. 3 shows the state of the sealing plug 4 in the first position, and fig. 5 shows the state of the sealing plug 4 in the second position.

In the tap water purifier provided by the application, the shell 1 is provided with the water outlet hole 11 for communicating the water outlet cavity 32 with the outside and the raw water hole 12 for communicating the water outlet cavity 32 with the raw water cavity 31 on the wall surrounding the water outlet cavity 32, when the sealing plug 4 is positioned at the first position, the raw water hole 12 is closed to cut off the raw water cavity 31 from being communicated with the water outlet cavity 32, so that the tap water purifier is in a state capable of discharging purified water, and the filtering component 2 discharges the purified water through the water outlet cavity 32 and the water outlet hole 11; when the sealing plug 4 is located at the second position, the raw water hole 12 is opened to enable the raw water cavity 31 and the water outlet cavity 32 to be communicated through the raw water hole 12, so that the tap water purifier is in a state capable of discharging raw water, and the raw water is discharged through the raw water cavity 31, the raw water hole 12, the water outlet cavity 32 and the water outlet hole 11, so that the raw water and purified water share the water outlet cavity 32 and the water outlet hole 11 to be discharged.

Specifically, as shown in fig. 1, 2 and 3, a water inlet structure 5 for docking with a tap may be provided at the top of the housing 1, when the tap water purifier is installed at the tap, and the tap is opened, raw water enters the raw water cavity 31 through the water inlet structure 5, as shown in fig. 3 and 4, when the tap water purifier is in a water outlet state, the raw water hole 12 is closed by the sealing plug 4, the raw water cavity 31 cannot directly enter the water outlet cavity 32 through the raw water hole 12, at this time, raw water in the raw water cavity 31 applies water pressure to the filter assembly 2 to enter the filter assembly 2 to realize filtration, and filtered purified water enters the water outlet cavity 32 through the purified water outlet 21 and is discharged through the water outlet 11; as shown in fig. 5 and 6, when the tap water purifier is in a purified water outlet state, the raw water chamber 31 and the water outlet chamber 32 are communicated through the raw water hole 12, raw water in the raw water chamber 31 can directly enter the water outlet chamber 32 through the raw water hole 12 in a state of no pressure at all, and finally is discharged through the water outlet hole 11.

As a preferred embodiment, as shown in fig. 1, 4 and 6 to 8, the housing 1 is further provided with a switch 6, the switch 6 drives the sealing plug 4 to switch between the first position and the second position when rotating relative to the housing 1, the housing 1 is provided with a first sealing surface 13 extending around the outside of the raw water hole 12, the sealing plug 4 is provided with a sealing portion 41, the sealing portion 41 is provided with a second sealing surface 411, the first sealing surface 13 and the second sealing surface 411 are in sealing fit to close the raw water hole 12 when the sealing plug 4 is located at the first position, and a raw water channel 33 communicating the raw water cavity 31 and the raw water hole 12 is formed between the first sealing surface 13 and the second sealing surface 411 when the sealing plug 4 is located at the second position.

As can be appreciated by those skilled in the art, when the switch 6 rotates relative to the housing 1, the sealing plug 4 is driven to move and switch between the first position and the second position, so that a user only needs to rotate the switch 6 to switch the position of the sealing plug 4 to switch the two water outlet states of the tap water purifier, for example, the switch 6 can be rotated clockwise to switch the tap water purifier from the raw water outlet state to the purified water outlet state, and the switch 6 is rotated anticlockwise to switch the tap water purifier from the purified water outlet state to the raw water outlet state, thereby improving the convenience of operation and helping to improve the use experience. As shown in fig. 4, 7 and 8, when the sealing plug 4 is in the first position, the first sealing surface 13 and the second sealing surface 411 are in sealing engagement to close the raw water hole 12. As shown in fig. 6 to 8, when the sealing plug 4 is located at the second position, the first sealing surface 13 and the second sealing surface 411 are separated to construct the raw water channel 33 that communicates the raw water chamber 31 and the raw water hole 12, so that the sealing manner of the sealing plug 4 to the raw water hole 12 is simple and easy to implement. To enhance the sealing effect, the first sealing surface 13 and the second sealing surface 411 may be made to have smooth surfaces, thereby contributing to the improvement of tightness when the two are mated.

As a preferred example in this embodiment, as shown in fig. 6, 7 and 10, the sealing plug 4 has a limiting portion 42 connected to the sealing portion 41, the switch 6 rotates to drive the sealing plug 4 to rotate synchronously through a limiting engagement with the limiting portion 42, and the first sealing surface 13 is configured to guide the second sealing surface 411 to translate from the first position toward the second position during the process that the sealing plug 4 follows the switch 6 to rotate in the first direction, so that the raw water channel 33 is formed between the first sealing surface 13 and the second sealing surface 411. When the change-over switch 6 rotates, the sealing plug 4 is driven to synchronously rotate through the limit fit with the limit part 42, and in the process that the sealing plug 4 follows the change-over switch 6 to rotate, the first sealing surface 13 guides the second sealing surface 411 to move towards the second position from the first position, so that the sealing plug 4 can move towards the second position through the first sealing surface 13 except for sealing the sealing plug 4 to form a seal on the raw water hole 12, the moving of the sealing plug 4 is driven to move towards the second position through the first sealing surface 13, a purely mechanical structure type driving moving mode is realized, the moving of the sealing plug 4 is simpler and easier to realize, and cost saving is facilitated.

In a preferred embodiment, as shown in fig. 6 to 8, the first sealing surface 13 and the second sealing surface 411 are respectively configured as spiral surfaces extending spirally in the translational direction of the sealing plug 4, and the sealing plug 4 follows the rotation of the change-over switch 6 in the first direction, and the first sealing surface 13 cooperates spirally with the second sealing surface 411 to push the second sealing surface 411 to translate towards the second position. As can be appreciated by those skilled in the art, the first sealing surface 13 and the second sealing surface 411 are respectively configured as spiral surfaces extending spirally along the translation direction of the sealing plug 4, so that the sealing plug 4 can move along the spiral trend of the first sealing surface 13 in the process of following the rotation of the change-over switch 6, and when the sealing plug 4 is located at the first position, the two spiral surfaces of the first sealing surface 13 and the second sealing surface 411 are tightly matched with each other in a screwed manner to seal the raw water hole 12, so that the sealing plug 4 is tightly matched with the raw water hole 12 when located at the first position, and the sealing effect of the sealing plug 4 on the raw water hole 12 is better; when the sealing plug 4 moves toward the second position, the two spiral surfaces of the first sealing surface 13 and the second sealing surface 411 are displaced, and the raw water channel 33 is formed between the first sealing surface 13 and the second sealing surface 411.

Regarding the manner of limit fit between the switch 6 and the limit portion 42, as shown in fig. 7 to 10, preferably, one of the limit portion 42 and the switch 6 is provided with a sliding hole 61, the other one is provided with a sliding shaft 421, the sliding shaft 421 is slidably engaged with the sliding hole 61 to guide the sealing plug 4 to switch between the first position and the second position, a plurality of axially extending limit ribs 422 are provided on the outer side of the sliding shaft 421, a limit clamping groove 62 engaged with the limit ribs 422 is provided on the wall of the sliding hole 61, and the switch 6 drives the sealing plug 4 to rotate through the engagement of the limit ribs 422 and the limit clamping grooves 62. The present application schematically shows an embodiment in which the limiting portion 42 is provided with the sliding shaft 421, the switch 6 is provided with the sliding hole 61, the sliding shaft 421 of the limiting portion 42 is inserted into the sliding hole 61 of the switch 6, and meanwhile, the limiting rib 422 is also clamped into the limiting slot 62, so that the sliding shaft 421 can slide along the sliding hole 61, but is limited to rotate under the limiting action of the limiting rib 422 and the limiting slot 62, therefore, when the switch 6 rotates along the first direction, the sealing plug 4 can be synchronously driven to rotate, and once the sealing plug 4 rotates, the raw water channel 33 is formed by translating through the spiral trend of the first sealing surface 13, so that the tap water purifier is switched to a raw water state.

As to the manner in which the sealing plug 4 moves from the second position toward the first position, as shown in fig. 1, 4 and 6, preferably, a first elastic member 7 is disposed between the limiting portion 42 and the switch 6, and the first elastic member 7 drives the sealing plug 4 to translate toward the first position during the process that the sealing plug 4 follows the switch 6 to rotate in the second direction opposite to the first direction. The trend that the sealing plug 4 moved towards the first position can be kept to first elastic component 7 for sealing plug 4 follows change over switch 6 along the in-process of second direction pivoted, and first elastic component 7 drive sealing plug 4 is automatic to translate towards the first position, and simple structure has simplified the structure that makes sealing plug 4 reset towards the first position, helps practicing thrift the cost. Specifically, the first elastic member 7 may employ a spring, and a shaft hole may be provided at the sliding shaft 421 of the sealing plug 4, and the elastic member is installed in the shaft hole, and when the sliding shaft 421 is installed in the sliding hole 61, the elastic member abuts against an end wall of the sliding hole 61.

As a preferred embodiment, as shown in fig. 1, 4 and 6 to 9, the housing 1 is provided with a mounting passage 14 having one end opened and the other end extended toward the raw water hole 12, and the sealing plug 4 is provided in the mounting passage 14; one end of the change-over switch 6 is inserted into the mounting passage 14 through the opening and connected with the sealing plug 4, and the other end is configured as an operation handle 63 protruding from the outside of the housing 1 and rotatably connected with the housing 1; the wall of the installation channel 14 is provided with a water passing hole 15 communicated with the raw water cavity 31, a sealing ring 43 is installed on the periphery of the sealing plug 4, when the sealing plug 4 is located at the first position, the sealing ring 43 is located between the water passing hole 15 and the raw water hole 12 to intercept communication between the water passing hole 15 and the raw water hole 12, and when the sealing plug 4 is located at the second position, the sealing ring 43 is located at one side of the water passing hole 15 away from the raw water hole 12 to enable the water passing hole 15 to be communicated with the raw water hole 12 through the raw water channel 33. Specifically, the change-over switch 6 is located at one end of the installation channel 14 and is connected with the sealing plug 4, and the other end forms an operation handle 63, and the water outlet body of the tap water purifier can be changed over only by rotating the operation handle 63, so that the operation is convenient. As shown in fig. 4, when the sealing plug 4 is located at the first position, the raw water hole 12 and the water passing hole 15 are respectively located at two sides of the sealing ring 43, and the sealing ring 43 is tightly matched with the inner wall of the installation channel 14, so that the communication between the water passing hole 15 and the raw water hole 12 is blocked, and the communication between the raw water cavity 31 and the water outlet cavity 32 is blocked; as shown in fig. 6, when the sealing plug 4 is in the second position, the sealing ring 43 is positioned on the side of the water hole 15 facing away from the raw water hole 12, so that the water hole 15 communicates with the raw water hole 12 through the raw water channel 33, and the raw water cavity 31 communicates with the water outlet cavity 32; therefore, the sealing ring 43 is arranged so that when the sealing plug 4 is located at the first position, the sealing plug 4 can seal and block the raw water hole 12 through the cooperation of the first sealing surface 13 and the second sealing surface 411, and the sealing plug 4 can also strengthen the sealing effect on the raw water hole 12 by blocking the communication between the water hole 15 and the raw water hole 12 through the sealing plug 4.

As a preferred embodiment, as shown in fig. 1, 4 and 9, the housing 1 is further provided with a rotation position indication assembly 8, the rotation position indication assembly 8 includes a second elastic member 81, a spherical body 82 and a cap 83, the cap 83 is connected with the housing 1 and drives the spherical body 82 to abut against the outer peripheral surface of the switch 6 through the second elastic member 81, a plurality of spherical grooves 64 are circumferentially spaced on the outer peripheral surface of the switch 6, and when the switch 6 rotates, the spherical body 82 can be switched from one spherical groove 64 to the other spherical groove 64. The arrangement of the rotary position indicating assembly 8 makes the switching process of the switching switch 6 in the different spherical grooves 64 through the spherical body 82 to make a click sound and a rotating hand feel, which is helpful for improving the use experience of a user when rotating the switching switch 6. Specifically, as shown in fig. 4, 9 and 11, in the foregoing embodiment in which the housing 1 is provided with the mounting channel 14 and one end of the switch 6 is located in the mounting channel 14, the mounting hole 16 may be provided on the wall of the mounting channel 14, the cap 83 is mounted on the outer side of the mounting hole 16, the mounting hole 16 is avoided from the second elastic member 81 and the spherical body 82, the spherical groove 64 may be provided at the edge of the limit clamping groove 62 provided by the switch 6, and the processing is convenient, and when the spherical body 82 is clamped into the spherical groove 64, the spherical groove may be limited by the limit clamping groove 62.

As a preferred embodiment in this embodiment, as shown in fig. 1, 3 and 11, the housing 1 includes an upper shell 17 and a lower cover 18, the filter assembly 2 includes a filter element 22 and a base 23 for mounting the filter element 22, an annular boss 181 extending upward is disposed on an inner surface of the lower cover 18, the annular boss 181 carries the base 23 and cooperates with the base 23 to form the water outlet cavity 32, the raw water hole 12 is disposed on the annular boss 181, the purified water outlet 21 is disposed on the base 23, and a one-way valve 9 for making the filter element 22 to be in unidirectional conduction with the water outlet cavity 32 is installed in the purified water outlet 21. The annular boss 181 can be used for supporting the filter assembly 2 upwards, and can also be matched with the base 23 to form the water outlet cavity 32, and specifically, the base 23 and the annular boss 181 can be welded by ultrasonic waves to improve the tightness of the water outlet cavity 32. The check valve 9 is provided to prevent raw water entering the water outlet chamber 32 from entering the filter assembly 2 upward through the purified water outlet 21.

Further, as shown in fig. 11, the bottom surface of the lower cover 18 is provided with a plurality of water outlet holes 11 which are uniformly arranged, the inner surface of the lower cover 18 is provided with a diversion baffle 182 extending towards the water outlet cavity 32, and the diversion baffle 182 stands between the water outlet holes 11 and the raw water holes 12 to disperse the liquid entering the water outlet cavity 32 through the raw water holes 12 towards a plurality of directions. As can be appreciated by those skilled in the art, the bottom surface of the lower cover 18 is provided with a plurality of water outlet holes 11 which are uniformly arranged to form shower-type water outlet, thereby being beneficial to improving the water outlet shape and reducing water flow sputtering; the inner surface of the lower cover 18 is provided with the diversion baffle 182 extending towards the water outlet cavity 32, the diversion baffle 182 stands between the water outlet hole 11 and the raw water hole 12 to disperse the liquid entering the water outlet cavity 32 from the raw water hole 12 towards multiple directions, so that the raw water is prevented from directly rushing into the water outlet cavity 32 and then only flows out from part of the water outlet holes 11, all the water outlet holes 11 are utilized for the raw water in all directions, the water outlet compactness of the raw water is improved, the anti-sputtering effect is good, and the water shape is more attractive.

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. The utility model provides a tap water purifier, its characterized in that includes the shell and locates filter unit in the shell, filter unit with form the raw water cavity with be located between the shell the play water cavity of raw water cavity, filter unit be provided with go out the water cavity intercommunication water purification export, the shell enclose be provided with on the wall of play water cavity with go out the apopore of water cavity and external intercommunication and with go out the water cavity with raw water cavity intercommunication raw water hole, the sealing plug is installed to the shell, the sealing plug has and seals raw water hole and cut off raw water cavity with go out the first position of water cavity intercommunication and open raw water hole and make raw water cavity with go out the water cavity passes through the second position of raw water hole intercommunication.

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

The shell is further provided with a change-over switch, the change-over switch drives the sealing plug to move and switch between the first position and the second position when rotating relative to the shell, the shell is provided with a first sealing surface extending around the outer side of the raw water hole, the sealing plug is provided with a sealing part, the sealing part is provided with a second sealing surface, when the sealing plug is positioned at the first position, the first sealing surface and the second sealing surface are in sealing fit to seal the raw water hole, when the sealing plug is positioned at the second position, a raw water channel which communicates the raw water cavity with the raw water hole is formed between the first sealing surface and the second sealing surface.

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

The sealing plug is provided with a limiting part connected with the sealing part, the sealing plug is driven to synchronously rotate by being matched with the limiting part in a limiting way when the change-over switch rotates, and the first sealing surface is constructed to guide the second sealing surface to translate from the first position to the second position in the process that the sealing plug follows the change-over switch to rotate along the first direction, so that a raw water channel is formed between the first sealing surface and the second sealing surface.

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

The first sealing surface and the second sealing surface are respectively constructed into spiral surfaces which extend spirally along the translation direction of the sealing plug, and the sealing plug is matched with the second sealing surface spirally to push the second sealing surface to translate towards the second position in the process that the sealing plug follows the change-over switch to rotate along the first direction.

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

The limiting part and the change-over switch are provided with sliding holes, the other one of the limiting part and the change-over switch is provided with a sliding shaft, the sliding shaft is in sliding fit with the sliding holes to guide the sealing plug to switch between the first position and the second position, a plurality of limiting convex ribs extending along the axial direction are arranged on the outer side of the sliding shaft, limiting clamping grooves which are embedded with the limiting convex ribs are formed in the wall of the sliding hole, and the change-over switch drives the sealing plug to rotate through the embedding of the limiting convex ribs and the limiting clamping grooves.

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

And a first elastic piece is arranged between the limiting part and the change-over switch, and the first elastic piece drives the sealing plug to move towards the first position in a translation way in the process that the sealing plug follows the change-over switch to rotate along a second direction opposite to the first direction.

7. A faucet water purifier as recited in any one of claims 2-6, wherein,

The shell is provided with a mounting channel with one end open and the other end extending towards the raw water hole, and the sealing plug is arranged in the mounting channel; one end of the change-over switch is inserted into the installation channel through the opening and is connected with the sealing plug, and the other end of the change-over switch is a handle which protrudes out of the shell and is rotationally connected with the shell; the wall of the installation channel is provided with a water passing hole communicated with the raw water cavity, the periphery of the sealing plug is provided with a sealing ring, when the sealing plug is positioned at the first position, the sealing ring is positioned between the water passing hole and the raw water hole to cut off the communication between the water passing hole and the raw water hole, when the sealing plug is positioned at the second position, the sealing ring is positioned at one side of the water passing hole away from the raw water hole to enable the water passing hole to be communicated with the raw water hole through the raw water channel.

8. A faucet water purifier as recited in any one of claims 2-6, wherein,

The shell is further provided with a rotary position indicating assembly, the rotary position indicating assembly comprises a second elastic piece, a spherical body and a cap, the cap is connected with the shell and drives the spherical body to abut against the outer peripheral surface of the change-over switch through the second elastic piece, a plurality of spherical grooves are formed in the outer peripheral surface of the change-over switch at intervals along the circumferential direction, and when the change-over switch rotates, the spherical body can be switched from one spherical groove to the other spherical groove.

9. The faucet water purifier of any one of claims 1-6, wherein,

The shell comprises an upper shell body and a lower cover body, the filter assembly comprises a filter element and a base used for installing the filter element, an upward extending annular boss is arranged on the inner surface of the lower cover body, the annular boss bears the base and is matched with the base to form the water outlet cavity, the raw water hole is formed in the annular boss, the water purifying outlet is formed in the base, and a one-way valve which enables the filter element to be conducted in one direction from the water outlet cavity is arranged in the water purifying outlet.

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

The bottom surface of lower lid is provided with a plurality of evenly arranged the apopore, the internal surface of lower lid sets up the orientation the reposition of redundant personnel breakwater that extends in the apopore, the reposition of redundant personnel breakwater stands in between the apopore with the raw water hole and to the warp the raw water hole gets into the liquid in the apopore carries out orientation a plurality of directions dispersion.