CN214662222U - Waterway switcher - Google Patents

Abstract

A waterway switcher comprises a shell, a static valve core and a movable valve core, wherein the static valve core and the movable valve core are arranged in the shell; the static valve core is provided with a second water outlet exposed outside the shell; a water inlet cavity communicated with the water inlet and a first water outlet cavity communicated with the second water outlet are formed between the static valve core and the dynamic valve core, a second water outlet cavity communicated with the first water outlet is formed between the dynamic valve core and the shell, a first communicating hole communicated with the water inlet cavity and the first water outlet cavity and a second communicating hole communicated with the water inlet cavity and the second water outlet cavity are formed in the dynamic valve core, and a blocking piece is arranged on the static valve core; the movable valve core can rotate under the action of external force, the movable valve core is arranged to be rotated to a first position, the first communicating hole is plugged by the plugging piece, and the second communicating hole is plugged by the plugging piece when the movable valve core is rotated to a second position. The utility model discloses water route switch can realize the switching of two kinds of water modes, is favorable to simplifying the structure.

Description

Waterway switcher

Technical Field

The utility model relates to a water route switch.

Background

In recent years, water purifiers become the most potential products in the field of household appliances, and primary filtration and microfiltration water purification products, such as tap water purifiers, are popular with consumers due to the fact that the installation is simple, the cost is low, the price of a single product is low, and meanwhile, the filtration effect can be intuitively felt. The water outlet mode of the tap water purifier is divided into raw water and purified water, and the two water outlet modes can be switched by switching the internal valve core. Some leading water purifiers adopt the case of ceramic valve block structure to switch the water route, and the structure is complicated, and the cost is higher.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a water route switch can realize the switching of two kinds of water modes, is favorable to simplifying the structure.

The waterway switcher of the embodiment of the utility model comprises a shell, a static valve core and a dynamic valve core which are arranged in the shell; the shell is provided with a water inlet and a first water outlet, and the static valve core is provided with a second water outlet exposed outside the shell; a water inlet cavity communicated with the water inlet and a first water outlet cavity communicated with the second water outlet are formed between the static valve core and the dynamic valve core, a second water outlet cavity communicated with the first water outlet is formed between the dynamic valve core and the shell, a first communication hole communicated with the water inlet cavity and the first water outlet cavity and a second communication hole communicated with the water inlet cavity and the second water outlet cavity are formed in the dynamic valve core, and a blocking piece is arranged on the static valve core; the static valve core comprises a ring sleeve and a baffle arranged in the first end of the ring sleeve, the baffle is provided with a water passing hole for communicating the water inlet with the water inlet cavity, and the movable valve core is rotatably arranged in the ring sleeve and positioned at the second end of the ring sleeve; the movable valve core can rotate under the action of external force, the movable valve core is arranged to plug the first communication hole when rotating to a first position, and the plugging piece is arranged to plug the second communication hole when rotating to a second position.

Optionally, the water inlet cavity is formed between the side wall of the movable valve core facing the baffle and the baffle, and the side wall of the movable valve core facing the baffle is provided with the first communication hole and the second communication hole; the ring sleeve is provided with the second water outlet, and the first water outlet cavity is formed between the circumferential outer wall of the movable valve core and the circumferential inner wall of the ring sleeve.

Optionally, the movable valve element comprises a cylindrical body with one closed end and an open other end, the closed end of the cylindrical body is located in the ring sleeve, and a first rib part and a second rib part which are rotationally matched with the circumferential inner wall of the ring sleeve are axially arranged on the circumferential outer wall of the cylindrical body at intervals; the waterway switcher also comprises a first sealing ring and a second sealing ring which are respectively arranged on the first convex rib part and the second convex rib part, and the first sealing ring and the second sealing ring are in sealing fit with the circumferential inner wall of the ring sleeve; the part of the circumferential outer wall of the cylindrical body, which is positioned between the first convex rib part and the second convex rib part, forms a first groove, and a first water outlet cavity is formed between the first groove and the circumferential inner wall of the ring sleeve.

Optionally, the first end of the shell is provided with the water inlet, and the second end of the shell is provided with the first water outlet; the second water outlet cavity is formed between the opening end of the cylindrical body and the second end of the shell, and the side wall, facing the baffle plate, of the cylindrical body is provided with a first communication hole communicated with the first groove and a second communication hole communicated with the interior of the cylindrical body.

Optionally, a second end in the housing is provided with a first annular rib around the first water outlet; the circumference outer wall of the open end of tube-shape body with the circumference inner wall normal running fit of the protruding muscle of first annular, the water route switch is still including locating third sealing washer on the circumference outer wall of the open end of tube-shape body, the third sealing washer with the circumference inner wall sealing fit of the protruding muscle of first annular.

Optionally, a fixed sleeve is arranged on a side surface of the baffle plate facing the second end of the ring sleeve, an elastic member and the blocking member are arranged in the fixed sleeve, and the blocking member abuts against a side wall of the movable valve element facing the baffle plate under the elastic force of the elastic member.

Optionally, a second groove is formed in a side wall, facing the baffle, of the movable valve element, the first communication hole and the second communication hole are both formed in the second groove, a first sealing gasket is arranged in the second groove, two openings corresponding to the first communication hole and the second communication hole are formed in the first sealing gasket respectively, and the sealing piece is a marble and abuts against the first sealing gasket.

Optionally, the waterway switcher further includes a driving member connected to the movable valve element to drive the movable valve element to rotate, the driving member includes a connecting portion connected to the cylindrical body and an operating portion connected to the connecting portion, the operating portion extends out of an opening provided in the housing, and the operating portion can be toggled back and forth to rotate the movable valve element in a corresponding direction.

Optionally, when the movable valve core rotates to the first position, the operating part abuts against one end of the opening, and when the movable valve core rotates to the second position, the operating part abuts against the other end of the opening;

and/or a limiting groove is arranged on the ring sleeve, an opening extending to the end face of the second end of the ring sleeve is arranged in the limiting groove, a limiting block which is arranged in the limiting groove in a sliding mode is arranged on the circumferential outer wall of the cylindrical body, the opening of the limiting groove is set to allow the limiting block to be inserted into the limiting groove, when the movable valve core rotates to the first position along the first direction, the limiting block is abutted against one end of the limiting groove to limit the movable valve core to continue to rotate along the first direction, and when the movable valve core rotates to the second position along the direction opposite to the first direction, the limiting block is abutted against the other end of the limiting groove to limit the movable valve core to continue to rotate along the direction opposite to the first direction.

Optionally, a supporting rib and a second annular convex rib surrounding the water passing port are arranged on the side surface of the baffle plate facing the first end of the ring sleeve; be equipped with the mounting hole on the casing, the water route switch is still including supporting on the terminal surface of the protruding muscle of second annular with sealed the pad of second on the brace rod, and locate in the mounting hole and form the adapter of water inlet, the one end butt of adapter is in the sealed stacking up of second, the adapter passes through the centre bore that sets up on the sealed stacking up of second with the inside intercommunication of the protruding muscle of second annular.

Has the advantages that:

1. the utility model discloses water route switch, set up quiet case and movable valve element in the casing, quiet case includes the ring cover and locates the inside baffle of first end of ring cover, movable valve element rotates and sets up in the ring cover and is located the second end of ring cover, and form the intake antrum between movable valve element and the quiet case, and form the play water cavity of the different delivery ports of intercommunication between the casing, and set up two intercommunicating pores with intake antrum and different play water cavity intercommunication on movable valve element, rotation through movable valve element can make the shutoff piece of locating on the quiet case with any shutoff in two intercommunicating pores, can realize the switching of two kinds of water modes from this, compare in some water route switches that adopt ceramic valve block isotructure, and is favorable to simplifying the structure, and the cost is reduced.

2. The movable valve element comprises a tubular body with one closed end and an open other end, the first convex rib part and the second convex rib part which are arranged on the circumferential outer wall of the tubular body are in running fit with the circumferential inner wall of the ring sleeve of the static valve element, so that the rotating friction force between the tubular body and the ring sleeve can be reduced, and a first sealing ring and a second sealing ring which are in sealing fit with the circumferential inner wall of the ring sleeve are respectively arranged on the first convex rib part and the second convex rib part, so that the first sealing ring and the second sealing ring can be always abutted against the circumferential inner wall of the ring sleeve in the rotating process of the movable valve element, the sealing is firm, and the sealing effect can be ensured.

3. Be provided with two intercommunicating pores with intake antrum and different play water cavity intercommunication on the lateral wall of the baffle of the quiet case of orientation of movable valve core, and set up first sealed pad in two intercommunicating pores department, the shutoff piece of setting on quiet valve core butt on first sealed pad under the spring action of elastic component, and like this, on the one hand first sealed pad can realize the sealed of two intercommunicating pores departments simultaneously, the quantity of sealing member has been reduced, on the other hand, the elastic component, the good shutoff of shutoff piece to any in two intercommunicating pores can be realized in the cooperation of shutoff piece and first sealed pad, guarantee sealed effect.

4. The movable valve element is sleeved in the static valve element, the driving element is sleeved on the outer side of the movable valve element through the sleeve ring, the driving rib is provided with an operation part extending out of the shell, and the static valve element, the movable valve element and the driving element are simple in assembly structure and convenient to assemble and disassemble.

5. The rotation position of the movable valve core can be limited by matching an opening for extending the operating part of the driving part and the operating part arranged on the shell or by sliding matching of a limiting block arranged on the movable valve core and a limiting groove on a ring sleeve of the static valve core, and the structure is simple.

Drawings

The accompanying drawings are included to provide a further understanding of the technical solutions of the present invention, and are incorporated in and constitute a part of this specification, together with the embodiments of the present invention for explaining the technical solutions of the present invention, and do not constitute a limitation on the technical solutions of the present invention.

Fig. 1 is an exploded view of a waterway switcher according to an embodiment of the present invention;

FIG. 2a is a schematic cross-sectional view of the waterway switcher of FIG. 1 when the movable valve core is rotated to a first position;

FIG. 2b is a schematic cross-sectional view of the waterway switcher of FIG. 1, when the movable valve core is rotated to the first position;

FIG. 3a is a schematic cross-sectional view of the waterway switcher of FIG. 1 when the movable valve core is rotated to a second position;

FIG. 3b is a schematic cross-sectional view of the waterway switcher of FIG. 1, when the movable valve core is rotated to a second position;

FIG. 4a is a schematic structural view of a stationary valve core of the waterway switch of FIG. 1;

FIG. 4b is a schematic view of the static valve core of FIG. 4a from another perspective;

FIG. 5a is a schematic structural view of a movable valve core of the waterway switch of FIG. 1;

FIG. 5b is a schematic structural view of the movable valve element of FIG. 5a from another view angle;

FIG. 6a is a schematic view of a first gasket of the waterway switcher of FIG. 1;

FIG. 6b is a schematic cross-sectional view of the first gasket of FIG. 6 a;

FIG. 7a is a schematic view illustrating an assembled structure of a stationary valve core and a movable valve core of the waterway switch of FIG. 1;

FIG. 7b is a schematic cross-sectional view of the static valve core and the dynamic valve core of the waterway switch of FIG. 1 in an assembled state;

FIG. 8 is a schematic view of a connection portion of a driving member of the waterway switcher of FIG. 1;

FIG. 9 is a schematic view illustrating an assembly structure of a connection portion between a movable valve element and a driving member of the waterway switcher of FIG. 1;

FIG. 10 is a schematic structural view of a bottom cover of the housing of the waterway switcher of FIG. 1;

FIG. 11 is a schematic structural view of an upper cover of the housing of the waterway switcher of FIG. 1;

FIG. 12 is a schematic structural view of a top cover of the housing of the waterway switcher of FIG. 1;

the reference signs are:

1. the water inlet cover comprises a shell body, 101, a bottom cover, 1011, a first water outlet, 1012, a first annular convex rib, 1013, a buckle, 1014, an extension wall, 102, an upper cover, 1021, an opening, 1022, a clamping groove, 1023, a fixing column, 1024, a notch, 1025, an external thread, 103, a top cover, 1031 and a water inlet,

2. the static valve core 201, the ring sleeve 2011, the second water outlet 2012, the limiting groove 2013, the annular limiting rib 2014, the fixing groove 202, the baffle 2021, the water passing port 2022, the fixing sleeve 2023, the second annular convex rib 2024 and the supporting rib,

3. a movable valve core 301, a cylindrical body 3011, a first through hole 3012, a second through hole 3013, a first groove 3014, a second groove 3015, a limit block 3016, a first seal groove 3017, a second seal groove 3018, a third seal groove 3019, a clamping block 3020, a first convex rib part, 3021, a second convex rib part,

4. a first sealing ring, 5, a second sealing ring, 6, a third sealing ring,

7. a driving piece 701, a connecting part 7011, a lantern ring 7012, a first sliding part 7013, a second sliding part 7014, a clamping groove 702 and an operating part,

8. an elastic piece 9, a plugging piece,

10. a first gasket 1001, a first opening 1002, a second opening 1003, a stop flange,

11. a second gasket, 12, a third gasket,

100. the first water outlet cavity, 200, the second water outlet cavity, 300 and the water inlet cavity.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention.

As shown in fig. 1, fig. 2a, fig. 2b, fig. 3a, and fig. 3b, an embodiment of the present invention provides a waterway switcher, which includes a housing 1, and a stationary valve element 2 and a movable valve element 3 disposed in the housing 1; a water inlet 1031 and a first water outlet 1011 are arranged on the shell 1, and a second water outlet 2011 exposed outside the shell 1 is arranged on the static valve core 2; a water inlet cavity 300 communicated with the water inlet 1031 and a first water outlet cavity 100 communicated with the second water outlet 2011 are formed between the static valve core 2 and the dynamic valve core 3, a second water outlet cavity 200 communicated with the first water outlet 1011 is formed between the dynamic valve core 3 and the shell 1, a first communicating hole 3011 communicating the water inlet cavity 300 with the first water outlet cavity 100 and a second communicating hole 3012 communicating the water inlet cavity 300 with the second water outlet cavity 200 are formed on the dynamic valve core 3, and a blocking piece 9 is arranged on the static valve core 2; the static valve core 2 comprises a ring sleeve 201 and a baffle 202 arranged inside the first end of the ring sleeve 201, the baffle 202 is provided with a water passing port 2021 for communicating the water inlet 1031 with the water inlet chamber 300, and the movable valve core 3 is rotatably arranged in the ring sleeve 201 and is positioned at the second end of the ring sleeve 201; the movable valve element 3 can rotate under the action of external force, the blocking piece 9 blocks the first communication hole 3011 when the movable valve element 3 rotates to a first position (a state shown in fig. 2a and 2 b), and the blocking piece 9 blocks the second communication hole 3012 when the movable valve element 3 rotates to a second position (a state shown in fig. 3a and 3 b).

The utility model discloses water route switch, set up quiet case 2 and movable valve element 3 in casing 1, quiet case 2 includes ring cover 201 and locates the inside baffle 202 of first end of ring cover 201, movable valve element 3 rotates the second end that sets up in ring cover 201 and lie in ring cover 201, and form intake antrum 300 between movable valve element 3 and the quiet case 2, and with the casing 1 between form the play water cavity of the different delivery ports of intercommunication, and set up two intercommunicating pores with intake antrum 300 and different play water cavity intercommunication on movable valve element 3, rotation through movable valve element 3 can make the shutoff piece 9 of locating on quiet case 2 with any shutoff in two intercommunicating pores, can realize the switching of two kinds of water outlet methods from this, compare in some water route switches that adopt ceramic valve block isotructures, be favorable to simplifying the structure, and reduce cost.

In some exemplary embodiments, as shown in fig. 2a and 5a, the water inlet chamber 300 is formed between the side wall of the movable valve core 3 facing the baffle 202 and the baffle 202, and the side wall of the movable valve core 3 facing the baffle 202 is provided with the first communication hole 3011 and the second communication hole 3012; the ring sleeve 201 is provided with the second water outlet 2011, and the first water outlet cavity 100 is formed between the circumferential outer wall of the movable valve element 3 and the circumferential inner wall of the ring sleeve 201.

In an example of this embodiment, as shown in fig. 2a, the movable valve element 3 includes a cylindrical body 301 having one end closed and the other end open, the closed end of the cylindrical body 301 is located in the ring sleeve 201, and a first rib portion 3020 and a second rib portion 3021 that are rotatably engaged with the circumferential inner wall of the ring sleeve 201 are axially provided at intervals on the circumferential outer wall of the cylindrical body 301.

As shown in fig. 2a, the waterway switcher further includes a first sealing ring 4 and a second sealing ring 5 respectively disposed on the first rib portion 3020 and the second rib portion 3021, and both the first sealing ring 4 and the second sealing ring 5 are in sealing fit with the inner circumferential wall of the ring sleeve 201. In this example, as shown in fig. 2a and 5b, an annular first seal groove 3016 may be provided in the first bead portion 3020, an annular first seal groove 3016 may be provided in the second bead portion 3021, the first seal ring 4 may be provided in the first seal groove 3016, and the second seal ring 5 may be provided in the second seal groove 3017.

As shown in fig. 2a and 5b, a first groove 3013 is formed on the portion of the circumferential outer wall of the cylindrical body 301 located between the first bead portion 3020 and the second bead portion 3021, that is, the first groove 3013 is formed by the first bead portion 3020, the second bead portion 3021 and the portion of the circumferential outer wall of the cylindrical body 301 located between the first bead portion 3020 and the second bead portion 3021, and the first water outlet cavity 100 is formed between the first groove 3013 and the circumferential inner wall of the collar 201.

In some exemplary embodiments, as shown in fig. 2a, a first end of the housing 1 is provided with the water inlet 1031, and a second end of the housing 1 is provided with the first water outlet 1011.

As shown in fig. 2b and fig. 3b, an inlet cavity 300 is formed between the side wall of the cylindrical body 301 facing the baffle 202 and the baffle 202, the second outlet cavity 200 is formed between the open end of the cylindrical body 301 and the second end of the housing 1, and the side wall of the cylindrical body 301 facing the baffle 202 is provided with the first communication hole 3011 communicating with the first groove 3013 and the second communication hole 3012 communicating with the inside of the cylindrical body 301.

In one example of this embodiment, as shown in fig. 2b and 3b, the first communication hole 3011 and the second communication hole 3012 are disposed offset from the central axis of the cylindrical body 301. The part of the cylindrical body 301 between the first rib portion 3020 and the second rib portion 3021, which corresponds to the first communication hole 3011, may be in an arc shape protruding toward the inside of the cylindrical body 301, and an arc-shaped recess portion is correspondingly formed on the circumferential outer wall of the cylindrical body 301, and water flowing out from the first communication hole 3011 may flow into the first groove 3013, that is, into the first water outlet cavity 100 along the arc-shaped recess portion. The portion of the cylindrical body 301 between the first and second ribs 3020 and 3021 corresponding to the second communication hole 3012 may be provided with an arc portion protruding toward the outside of the cylindrical body 301, along which water flowing out of the second communication hole 3012 may flow into the inside of the cylindrical body 301, i.e., into the second water outlet chamber 200.

In an example of this embodiment, as shown in fig. 2a, a first annular rib 1012 is provided around the first water outlet 1011 at the second end inside the housing 1. The circumference outer wall of the open end of tube-shape body 301 with the circumference inner wall normal running fit of first annular protruding muscle 1012, the water route switch is still including locating third sealing washer 6 on the circumference outer wall of the open end of tube-shape body 301, third sealing washer 6 with the circumference inner wall sealing fit of first annular protruding muscle 1012. In this example, as shown in fig. 5b, an annular third seal groove 3018 may be provided on the circumferential outer wall of the open end of the cylindrical body 301, and the third seal ring 6 may be provided in the third seal groove 3018.

In some exemplary embodiments, as shown in fig. 2b and 3b, the movable valve core 3 includes a cylindrical body 301 with one end closed and the other end open, the closed end of the cylindrical body 301 is located in the ring sleeve 201, and the sidewall of the cylindrical body 301 facing the baffle 202 is provided with the first communication hole 3011 and the second communication hole 3012. A fixing sleeve 2022 is arranged on the side surface of the baffle 202 facing the second end of the ring sleeve 201, an elastic element 8 and the blocking element 9 are arranged in the fixing sleeve 2022, and the blocking element 9 abuts against the side wall of the movable valve element 3 facing the baffle 202 under the elastic force of the elastic element 8.

In an example of this embodiment, as shown in fig. 2b and 5a, a second groove 3014 is formed on a side wall of the movable valve core 3 facing the baffle 202, the first communication hole 3011 and the second communication hole 3012 are both formed in the second groove 3014, and the first gasket 10 is disposed in the second groove 3014. As shown in fig. 6a and 6b, the first gasket 10 is provided with two openings corresponding to the first communication hole 3011 and the second communication hole 3012, respectively, and the two openings are a first opening 1001 and a second opening 1002, respectively. As shown in fig. 2b, the closure 9 is a ball and abuts against the first seal gasket 10. In this example, the elastic member 8 may be a spring, one end of the spring abuts against the baffle 202, and the marble is partially snapped into the second end of the spring. As shown in fig. 2b and fig. 6b, the first sealing gasket 10 may include two sealing sleeves connected as a whole and arranged in parallel, a first opening 1001 and a second opening 1002 are formed in the two sealing sleeves, the two sealing sleeves are respectively sleeved in the first communicating hole 3011 and the second communicating hole 3012, one ends of the two sealing sleeves close to the baffle 202 are provided with a limiting flange 1003, and the limiting flange 1003 is supported on a side surface of the movable valve core 3 facing the baffle 202. Like this, the first sealed pad 10 can realize simultaneously the sealed of two intercommunicating pore departments on the one hand, has reduced the quantity of sealing member, and on the other hand, the cooperation of elastic component 8, shutoff piece 9 and first sealed pad 10 can realize that shutoff piece 9 is to the good shutoff of any one in two intercommunicating pores, guarantees sealed effect.

In some exemplary embodiments, as shown in fig. 2a, 2b and 8, the waterway switcher further includes a driving member 7 connected to the movable valve core 3 to drive the movable valve core 3 to rotate, the driving member 7 includes a connecting portion 701 connected to the cylindrical body 301 and an operating portion 702 connected to the connecting portion 701, the operating portion 702 protrudes from an opening 1021 (shown in fig. 11) provided on the housing 1, and the operating portion 702 can be toggled to rotate the movable valve core 3 in a corresponding direction.

In an example of this embodiment, as shown in fig. 5b, 8 and 9, the connecting portion 701 includes a collar 7011 that is sleeved outside the cylindrical body 301 and connected to the cylindrical body 301. The collar 7011 is fitted over the portion of the cylindrical body 301 that is outside the collar 201 of the stationary valve element 2. The cylindrical body 301 and the lantern ring 7011 may be connected in a snap-fit manner, for example, a clamping groove 7014 may be provided on the lantern ring 7011, and a clamping block 3019 (shown in fig. 5 b) clamped into the clamping groove 7014 is provided on the circumferential outer wall of the cylindrical body 301, so that the movable valve element 3 may be driven to rotate by the lantern ring 7011 when the operation portion 702 is pulled.

As shown in fig. 2b and 8, the connecting portion 701 may further include a first sliding portion 7012 connected to the collar 7011, and the first sliding portion 7012 is in sliding fit with the circumferential inner wall of the housing 1; or/and the connecting part 701 can further comprise a second sliding part 7013 connected with the lantern ring 7011, and the second sliding part 7013 is in sliding fit with the circumferential outer wall of the first annular rib 1012.

In this example, the first sliding portion 7012 may be an arc-shaped plate that is slidably fitted to the circumferential inner wall of the housing 1. The second sliding portion 7013 may include a plurality of sliding ribs, each of which may be a circular arc-shaped plate, each of which is slidably fitted to the circumferential outer wall of the first annular rib 1012. A plurality of sliding ribs may be provided in the circumferential direction of the collar 7011 and slidably supported on the bottom surface of the housing 1. The contact part of the sliding rib and the bottom surface of the shell 1 is arc surface shape, so that the sliding friction force can be reduced.

The operating portion 702 may be connected to the first sliding portion 7012, the operating portion 702 may be rod-shaped, one end of the operating portion 702 may be screwed to the first sliding portion 7012, and the other end of the operating portion 702 may protrude from an opening 1021 provided in the housing 1.

In some exemplary embodiments, as shown in fig. 2b, when the movable valve element 3 rotates to the first position, the operation portion 702 abuts one end of the opening 1021 (shown in fig. 11), and when the movable valve element 3 rotates to the second position, the operation portion 702 abuts the other end of the opening 1021. In this way, the position of the operation portion 702 is restricted by the opening 1021, and the rotational position of the movable valve element 3 is restricted.

In some exemplary embodiments, as shown in fig. 4b, the collar 201 of the stationary valve element 2 is provided with a limiting groove 2012, and the limiting groove 2012 is provided with an opening extending to an end surface of the second end of the collar 201. As shown in fig. 5b, 7a, and 7b, a limiting block 3015 slidably disposed in the limiting groove 2012 is disposed on the circumferential outer wall of the cylindrical body 301, and an opening of the limiting groove 2012 is configured to allow the limiting block 3015 to be inserted into the limiting groove 2012. When the movable valve element 3 rotates to the first position along the first direction, the limit block 3015 abuts against one end of the limit groove 2012 to limit the movable valve element 3 to continue to rotate along the first direction, and when the movable valve element 3 rotates to the second position along the direction opposite to the first direction, the limit block 3015 abuts against the other end of the limit groove 2012 to limit the movable valve element 3 to continue to rotate along the direction opposite to the first direction. Therefore, the limiting of the rotation position of the movable valve core 3 can be realized through the matching of the limiting block 3015 and the limiting groove 2012. In this example, the number of the limiting grooves 2012 and the number of the limiting blocks 3015 may be equal, and may be one or more, for example, four.

In some exemplary embodiments, as shown in fig. 2a and 4a, a supporting rib 2024 and a second annular rib 2023 surrounding the water gap 2021 are disposed on a side of the baffle 202 facing the first end of the ring sleeve 201. Be equipped with the mounting hole on the casing 1, the water route switch is still including supporting on the terminal surface of the protruding muscle 2023 of second annular with the sealed pad 11 of second on the brace rod 2024, and locate in the mounting hole and form the adapter of water inlet 1031, the one end butt of adapter is in on the sealed pad 11 of second, the adapter passes through the sealed centre bore that sets up on the pad 11 of second with the inside intercommunication of the protruding muscle 2023 of second annular.

In an example of this embodiment, the supporting rib 2024 may include an annular rib that surrounds the second annular rib 2023, and a plurality of connecting ribs that are connected between the annular rib and the second annular rib 2023. The other end of adapter can stretch out outside the casing 1 and configure into and treat the delivery port intercommunication of installed part, the water route switch of this embodiment can be applied to the tap water purifier, it can be tap to treat the installed part. The second water outlet 2011 of the waterway switcher is configured to be connected with a filter of the faucet water purifier, wherein, as shown in fig. 2a, a third sealing gasket 12 may be disposed in the second water outlet 2011, and the third sealing gasket 12 is used for forming a seal between the second water outlet 2011 and a water inlet of the filter. The circumferential edge of the second gasket 11 may abut against the circumferential inner wall of the ring sleeve 201 of the stationary valve core 2, and the central hole of the second gasket 11 corresponds to the inside of the second annular rib 2023. In other examples, the water inlet 1031 and the housing 1 may be an integral structure.

In some exemplary embodiments, as shown in fig. 2a, the housing 1 includes a bottom cover 101, an upper cover 102 and a top cover 103, the top cover 103 is provided with the water inlet 1031, and the bottom cover 101 is provided with the first water outlet 1011.

As shown in fig. 10, the inner side surface of the bottom cover 101 is provided with the first annular rib 1012 around the first water outlet 1011, and the first water outlet 1011 may include a plurality of water outlet holes. The inner side of the bottom cover 101 may have a plurality of catches 1013 along a circumferential edge, and the edge of the bottom cover 101 may be further provided with an extension wall 1014 extending toward one side of the top cover 103.

As shown in fig. 11, the upper cover 102 includes a barrel with two open ends, a first end of the barrel is provided with an external thread 1025 and is in threaded connection with the top cover 103, a circumferential inner wall of a second end of the barrel is provided with a plurality of clamping grooves 1022, and the plurality of clamping grooves 1022 and the plurality of buckles 1013 on the bottom cover 101 are respectively and correspondingly clamped. The second end of the cylinder is provided with a notch 1024, and the notch 1024 and the extension wall 1014 on the bottom cover 101 together form an opening for exposing the second water outlet 2011 of the static valve core 2 out of the housing 1. The barrel is also provided with an opening 1021 through which the operating portion 602 of the driving member 6 extends. The inner side surface of the cylinder body can be further provided with a fixing column 1023, as shown in fig. 4a, an annular limiting rib 2013 can be arranged on the circumferential outer wall of the ring sleeve 201 of the stationary valve core 2 along the circumferential direction, and a fixing groove 2014 can be arranged on the annular limiting rib 2013. The fixing post 1023 may be fixed in the fixing groove 2014 by a fastening member such as a screw, so as to fix the stationary valve element 2 to the housing 1. The side of the annular limiting rib 2013 facing the top cover 103 may abut against an annular step provided on the circumferential inner wall of the upper cover 102.

As shown in fig. 12, the circumferential inner wall of the top cover 103 is provided with an internal thread, the top cover 103 is connected to the first end of the cylinder of the upper cover 102 in a threaded manner, and the end wall of the top cover 103 is provided with the water inlet 1031.

In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "connected," "fixedly connected," "mounted," and "assembled" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the terms "mounted," "connected," and "fixedly connected" may be directly connected or indirectly connected through intervening elements, or may be in communication between two elements. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.

Claims (10)

1. A waterway switcher is characterized in that: the valve comprises a shell, and a static valve core and a dynamic valve core which are arranged in the shell;

the shell is provided with a water inlet and a first water outlet, and the static valve core is provided with a second water outlet exposed outside the shell;

a water inlet cavity communicated with the water inlet and a first water outlet cavity communicated with the second water outlet are formed between the static valve core and the dynamic valve core, a second water outlet cavity communicated with the first water outlet is formed between the dynamic valve core and the shell, a first communication hole communicated with the water inlet cavity and the first water outlet cavity and a second communication hole communicated with the water inlet cavity and the second water outlet cavity are formed in the dynamic valve core, and a blocking piece is arranged on the static valve core;

the static valve core comprises a ring sleeve and a baffle arranged in the first end of the ring sleeve, the baffle is provided with a water passing hole for communicating the water inlet with the water inlet cavity, and the movable valve core is rotatably arranged in the ring sleeve and positioned at the second end of the ring sleeve;

the movable valve core can rotate under the action of external force, the movable valve core is arranged to plug the first communication hole when rotating to a first position, and the plugging piece is arranged to plug the second communication hole when rotating to a second position.

2. The waterway switcher of claim 1, wherein: the side wall of the movable valve core facing the baffle plate and the baffle plate form the water inlet cavity, and the side wall of the movable valve core facing the baffle plate is provided with the first communicating hole and the second communicating hole;

the ring sleeve is provided with the second water outlet, and the first water outlet cavity is formed between the circumferential outer wall of the movable valve core and the circumferential inner wall of the ring sleeve.

3. The waterway switcher of claim 2, wherein: the movable valve core comprises a cylindrical body with one closed end and an open other end, the closed end of the cylindrical body is positioned in the ring sleeve, and a first convex rib part and a second convex rib part which are in running fit with the circumferential inner wall of the ring sleeve are axially arranged on the circumferential outer wall of the cylindrical body at intervals;

the waterway switcher also comprises a first sealing ring and a second sealing ring which are respectively arranged on the first convex rib part and the second convex rib part, and the first sealing ring and the second sealing ring are in sealing fit with the circumferential inner wall of the ring sleeve;

the part of the circumferential outer wall of the cylindrical body, which is positioned between the first convex rib part and the second convex rib part, forms a first groove, and a first water outlet cavity is formed between the first groove and the circumferential inner wall of the ring sleeve.

4. The waterway switcher of claim 3, wherein: the first end of the shell is provided with the water inlet, and the second end of the shell is provided with the first water outlet;

the second water outlet cavity is formed between the opening end of the cylindrical body and the second end of the shell, and the side wall, facing the baffle plate, of the cylindrical body is provided with a first communication hole communicated with the first groove and a second communication hole communicated with the interior of the cylindrical body.

5. The waterway switcher of claim 4, wherein: a first annular convex rib is arranged at the second end in the shell around the first water outlet;

the circumference outer wall of the open end of tube-shape body with the circumference inner wall normal running fit of the protruding muscle of first annular, the water route switch is still including locating third sealing washer on the circumference outer wall of the open end of tube-shape body, the third sealing washer with the circumference inner wall sealing fit of the protruding muscle of first annular.

6. The waterway switcher of claim 2, wherein: the side face, facing the second end of the ring sleeve, of the baffle is provided with a fixed sleeve, an elastic piece and the plugging piece are arranged in the fixed sleeve, and the plugging piece is abutted against the side wall, facing the baffle, of the movable valve element under the elastic action of the elastic piece.

7. The waterway switcher of claim 6, wherein: the movable valve element faces the side wall of the baffle plate and is provided with a second groove, the first communicating hole and the second communicating hole are both arranged in the second groove, a first sealing gasket is arranged in the second groove, the first sealing gasket is provided with two open holes corresponding to the first communicating hole and the second communicating hole respectively, and the sealing piece is a marble and abuts against the first sealing gasket.

8. The waterway switcher of claim 3, wherein: the waterway switcher also comprises a driving piece which is connected with the movable valve core to drive the movable valve core to rotate, the driving piece comprises a connecting part which is connected with the cylindrical body and an operating part which is connected with the connecting part, the operating part extends out of an opening which is arranged on the shell, and the operating part can be toggled to enable the movable valve core to rotate along the corresponding direction.

9. The waterway switcher of claim 8, wherein: when the movable valve core rotates to the first position, the operating part is abutted against one end of the opening, and when the movable valve core rotates to the second position, the operating part is abutted against the other end of the opening;

and/or a limiting groove is arranged on the ring sleeve, an opening extending to the end face of the second end of the ring sleeve is arranged in the limiting groove, a limiting block which is arranged in the limiting groove in a sliding mode is arranged on the circumferential outer wall of the cylindrical body, the opening of the limiting groove is set to allow the limiting block to be inserted into the limiting groove, when the movable valve core rotates to the first position along the first direction, the limiting block is abutted against one end of the limiting groove to limit the movable valve core to continue to rotate along the first direction, and when the movable valve core rotates to the second position along the direction opposite to the first direction, the limiting block is abutted against the other end of the limiting groove to limit the movable valve core to continue to rotate along the direction opposite to the first direction.

10. The waterway switcher of claim 1, wherein: a supporting rib and a second annular convex rib surrounding the water passing opening are arranged on the side surface of the baffle plate facing the first end of the ring sleeve;

be equipped with the mounting hole on the casing, the water route switch is still including supporting on the terminal surface of the protruding muscle of second annular with sealed the pad of second on the brace rod, and locate in the mounting hole and form the adapter of water inlet, the one end butt of adapter is in the sealed stacking up of second, the adapter passes through the centre bore that sets up on the sealed stacking up of second with the inside intercommunication of the protruding muscle of second annular.

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