CN111059323A

CN111059323A - A lever-type switching valve and a faucet

Info

Publication number: CN111059323A
Application number: CN201911203245.3A
Authority: CN
Inventors: 陈智强; 祝传宝
Original assignee: Xiamen Lota International Co Ltd
Current assignee: Xiamen Lota International Co Ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-04-24

Abstract

The invention provides a shifting rod type switching valve and a faucet, and relates to the field of bathrooms. The valve comprises a valve shell, a deflector rod assembly, a movable valve plate, a static valve plate and a shunt seat. The shunting seat is provided with a water inlet and a plurality of water outlets arranged around the water inlet. The static valve piece is fixedly arranged on the shunting seat and is provided with a water through hole and a plurality of shunting holes which are circumferentially arranged on the water through hole, the water through hole is arranged corresponding to the water inlet, and the lower end openings of the shunting holes are respectively arranged corresponding to the water outlets one by one. The movable valve plate is connected with the shifting lever assembly in a transmission mode, the movable valve plate is provided with a plurality of water through grooves in one-to-one correspondence with the positions of the flow dividing holes, the water through holes are sealed by the movable valve plate when the shifting lever assembly is not shifted, and the water through grooves in the shifting direction are communicated with the flow dividing holes and the water through holes corresponding to the water through grooves along with shifting of the shifting lever assembly, so that water flows out from the water outlets in the shifting direction correspondingly. The switching valve is clear in direction, the water outlet position is consistent with the shifting direction, and the switching valve is more in line with the ergonomic and the operation habit of people.

Description

Deflector rod type switching valve and faucet

Technical Field

The invention relates to the technical field of bathrooms, in particular to a shifting rod type switching valve and a faucet.

Background

The switching valve is widely used in various sanitary products, and is an important component of the sanitary products to switch between different water outlets, for example, the switching valve of a shower faucet needs to switch the water outlet direction to a shower outlet, a handheld shower outlet, a lower water outlet, and other water outlets. The design of the switching valve seriously influences the use experience of the sanitary ware products.

At present, the switching valve is mainly a rotary switching valve, and the switching valve has the defects of unclear direction and troublesome operation, and particularly has poor experience feeling if the switching valve is switched to a non-adjacent water outlet when multifunctional water is discharged.

Disclosure of Invention

The invention provides a shifting rod type switching valve, aiming at solving the problem that the direction of the switching valve is not clear when a water outlet is switched.

The invention is realized by the following steps:

a toggle diverter valve comprising: the valve comprises a valve shell, a deflector rod assembly, a dynamic valve plate, a static valve plate and a shunt seat, wherein the deflector rod assembly, the dynamic valve plate, the static valve plate and the shunt seat are arranged in the valve shell;

the flow dividing seat is provided with a water inlet and a plurality of mutually separated water outlets which are circumferentially arranged on the water inlet, and fluid flows in through the water inlet;

the static valve plate is fixedly arranged on the shunting seat and is provided with a water through hole and a plurality of mutually separated shunting holes which are circumferentially arranged on the water through hole, the water through hole is arranged corresponding to the water inlet, and the water outlet ends of the shunting holes are respectively arranged corresponding to the water outlets one by one;

the movable valve plate is arranged on the static valve plate and is in transmission connection with the shifting lever assembly, the movable valve plate is provided with a plurality of water through grooves which are in one-to-one correspondence with the positions of the diversion holes, the water through holes are sealed by the movable valve plate under the state that the shifting lever assembly is not shifted, and the water through grooves in the shifting direction are communicated with the diversion holes and the water through holes corresponding to the water through grooves along with shifting of the shifting lever assembly, so that water is discharged from the water outlets in the shifting direction correspondingly.

Further, in a preferred embodiment of the present invention, the shift lever assembly includes a valve rod, a valve rod seat for shifting the valve rod in different directions, and an adapter seat in transmission connection with the valve rod, and the movable valve plate is engaged with the adapter seat and moves along with the adapter seat.

Further, in a preferred embodiment of the present invention, the valve rod includes a rod handle, a ball seat and a transmission head, which are sequentially connected, the valve rod seat is provided with a rotation groove adapted to the ball seat, a rotation space for the transmission head to move is provided at the bottom of the rotation groove, the transmission head penetrates into the rotation space, and the ball seat is in transmission connection with the transmission head.

Further, in a preferred embodiment of the present invention, a transmission clamping groove is formed on the adapter, and an end of the transmission head is inserted into the transmission clamping groove, so as to realize transmission connection between the adapter and the transmission head.

Further, in a preferred embodiment of the present invention, the bottom of the adapter is provided with a downwardly protruding engaging column, the movable valve plate is provided with an engaging groove adapted to the engaging column, and the engaging column moves radially to drive the movable valve plate to move therewith.

Further, in a preferred embodiment of the present invention, the valve housing is provided with a guide boss on an inner side wall thereof, the stem seat is provided with an inwardly recessed side groove at a periphery thereof, and the guide boss is fitted with the side groove to limit radial displacement of the stem seat.

Further, in the preferred embodiment of the present invention, an annular flow guiding surface is provided along the periphery of the upper end of the water through hole, wherein the annular flow guiding surface is inclined inwards.

Further, in a preferred embodiment of the present invention, the upper end opening of the branch hole is closer to the water passage hole than the lower end opening, and an inclined section is formed between the upper end opening and the lower end opening of the branch hole.

Further, in a preferred embodiment of the present invention, an upper sealing gasket and a lower sealing gasket are respectively disposed at the upper end and the lower end of the flow dividing seat.

The invention also provides a faucet, which comprises the shifting rod type switching valve.

The invention has the beneficial effects that: the shifting rod type switching valve obtained through the design is simple and convenient to operate and clear in direction. When the water-saving device is used, the water outlet is closed when the deflector rod assembly is not in a poking state (namely, the deflector rod is in an upright state). Through stirring of driving lever subassembly, correspond to stir ascending water trough intercommunication inlet opening of direction and correspond and stir ascending diffluent hole of direction, realize corresponding the ascending delivery port of stirring and go out water, accord with ergonomic and user's operation custom more, product experience feels good. And in the switching process, the water does not need to pass through other water outlets, so that the water is prevented from flowing out of other water outlets.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic sectional view of a lever type switching valve according to embodiment 1 of the present invention;

fig. 2 is an exploded structural schematic view of a lever type switching valve according to embodiment 1 of the present invention;

FIG. 3 is a schematic view of the valve housing of FIG. 1;

FIG. 4 is a cross-sectional structural view of the valve housing of FIG. 3;

FIG. 5 is a schematic view of the diverter housing shown in FIG. 1;

FIG. 6 is a cross-sectional view of the diverter seat shown in FIG. 5;

FIG. 7 is a schematic structural view of the static valve plate shown in FIG. 1;

FIG. 8 is a schematic structural diagram of the movable valve plate shown in FIG. 1;

FIG. 9 is a schematic structural view of the adapter shown in FIG. 1;

fig. 10 is a schematic structural view of left water discharge of the lever-type switching valve of embodiment 1 of the present invention;

fig. 11 is a schematic structural view of the right side water outlet of the lever type switching valve in embodiment 1 of the present invention.

Icon: 100-a toggle type switching valve; 10-a valve housing; 101-a guide boss; 11-a clamping hole; 111-notches; 20-a deflector rod assembly; 21-a valve stem; 211-a stem; 212-ball seat; 213-a drive head; 22-a valve stem seat; 221-a rotation groove; 222-side groove; 23-an adapter; 231-a bond post; 232-transmission clamping groove; 233-a limit groove; 30-a movable valve plate; 31-a water trough; 32-an engagement groove; 40-a static valve plate; 41-limber holes; 411-annular flow guide surface; 42-a shunt hole; 43-positioning grooves; 50-a shunt seat; 51-hook; 52-arc limiting plate; 521-a bump; 53-water inlet; 54-water outlet; 55-positioning blocks; 61-an upper seal pad; 62-a lower seal; 63-gasket groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example 1

Referring to fig. 1, the present embodiment provides a lever type switching valve 100 including: the valve housing 10, the lever assembly 20 disposed in the valve housing 10, the movable valve plate 30, the static valve plate 40, and the flow dividing seat 50.

Referring to fig. 2, the valve housing 10 is opened at a lower portion thereof and opened at an upper portion thereof with an opening through which the valve stem is extended. The valve housing 10 and the flow dividing seat 50 are fixed in a clamping manner, and the inner wall of the valve housing 10 and the top surface of the flow dividing seat 50 define a containing space of the switching valve 100. The shift lever assembly 20, the movable valve plate 30 and the static valve plate 40 are sequentially arranged in the accommodating space from top to bottom and are axially limited in the accommodating space.

Referring to fig. 3 and 4, in the present embodiment, a clamping hole 11 is formed in a side wall of the valve housing 10, and a hook 51 corresponding to the clamping hole 11 is formed in an outer side wall of the flow distribution seat 50, so that the valve housing 10 and the flow distribution seat 50 are fixed through the clamping hole 11 and the hook 51.

Further, referring to fig. 5 and 6, the bottom periphery of the flow dividing seat 50 is provided with an arc-shaped limiting plate 52, the top surface of the arc-shaped limiting plate 52 abuts against the bottom surface of the valve housing 10, and the outer wall of the arc-shaped limiting plate 52 is flush with the outer wall of the valve housing 10. The arc-shaped limit plates 52 further limit the axial displacement of the valve housing 10 and are compact. More preferably, the arc-shaped limiting plate 52 is provided with one or more protrusions 521 protruding upwards, the valve housing 10 is provided with a notch 111 recessed inwards from the bottom wall, the shape of the protrusion 521 is matched with that of the notch 111, and through the matching of the two, the axial and radial limiting of the valve housing 10 and the flow distribution seat 50 is further performed.

The flow dividing base 50 is provided with a water inlet 53 and a plurality of separated water outlets 54 circumferentially arranged on the water inlet 53, and the fluid flows in through the water inlet 53. Different outlets 54 lead to different outlet conduits. Further preferably, 4 water outlets 54 are disposed on the periphery of the water inlet 53, and the 4 water outlets 54 are uniformly distributed in the upper, lower, left and right directions of the water inlet 53. For example, the upper outlet 54 communicates with the top shower, the lower outlet 54 communicates with the lower outlet of the shower faucet, the right outlet 54 communicates with the hand shower, and the left outlet 54 communicates with the other outlets.

It should be noted that, in other embodiments, two water outlets or 3, 5, 6 or even more water outlets may be disposed on the peripheral side of the water inlet 53. The designer can adjust according to the actual use requirement. It is ensured that the water outlets 54 are arranged around the water inlet 53 so that when switching between a plurality of water outlets, no further water outlets need to be passed.

Further, an upper gasket 61 and a lower gasket 62 are disposed at upper and lower ends of the flow dividing seat 50, respectively. The upper and

lower gaskets

61 and 62 have shapes that are compatible with the water inlet 53 and the water outlet 54. Gasket grooves 63 are formed on the upper end surface and the lower end surface of the flow dividing seat 50 and are recessed along the preset distance from the edges of the water inlet 53 and the water outlet 54. The predetermined distance may be, for example, 0.05 to 3cm, but is not limited thereto. The upper sealing gasket 61 and the lower sealing gasket 62 are matched with the gasket groove 63, and the height of the upper sealing gasket 61 and the height of the lower sealing gasket 62 are slightly higher than the depth of the gasket groove 63. The water inlet 53 and each water outlet 54 are sealed by the upper sealing gasket 61 and the lower sealing gasket 62, and the sealing effect is good.

Referring to fig. 2 and 7, the static valve plate 40 is disposed on the diversion seat 50, and has a water through hole 41 and a plurality of mutually separated diversion holes 42 circumferentially disposed on the water through hole 41, the water through hole 41 is disposed corresponding to the water inlet 53, and the water outlet ends (i.e., the lower ends) of the plurality of diversion holes 42 are disposed corresponding to the plurality of water outlets 54.

In this embodiment, 4 diversion holes 42 are provided at positions corresponding to the 4 water outlets 54, and the 4 diversion holes 42 are annularly provided to the water through hole 41.

Further, in the preferred embodiment, an annular flow guide surface 411 is provided along the periphery of the upper end of the water passage hole 41 and is inclined inward. Annular water conservancy diversion face 411 constructs the first half section of limbers 41 and is wide at the top and narrow at the bottom the back taper through-hole, and the fluid flows in from the lower extreme, and the upper end flows out, is favorable to accelerating the limbers speed.

In this embodiment, the bottom periphery of the static valve plate 40 is provided with a positioning groove 43, the top periphery of the shunt seat 50 is provided with a positioning block 55, and the positioning block 55 is inserted into the positioning groove 43 to limit the displacement of the static valve plate 40.

Further, the outer peripheral wall of the stationary valve plate 40 is fitted to the inner side wall of the valve housing 10, thereby further ensuring the compactness of the structure.

Referring to fig. 2 and 8, the movable plate 30 is disposed on the stationary plate 40 and is in transmission connection with the lever assembly 20. The dynamic valve plate 30 can move radially on the static valve plate 40. The bottom surface of the movable valve plate 30 (i.e., the surface in contact with the stationary valve plate 40) is provided with a plurality of water passage grooves 31 corresponding to the positions of the diversion holes 42 one by one. In the present embodiment, 4 water passing grooves 31 are provided at positions corresponding to the 4 diversion holes 42.

When the lever assembly 20 is not shifted, the water through hole 41 is closed by the valve plate 30, and as the lever assembly 20 is shifted, the water through groove 31 in the shifting direction communicates with the corresponding diversion hole 42 and the corresponding water through hole 41, so that water flows out from the water outlet 54 in the shifting direction.

Namely, when the lever assembly 20 is not in the state of being shifted, the movable valve plate 30 is kept at the middle position, and the opening of the water through hole 41 is closed by the movable valve plate 30. When the movable valve plate 30 is shifted in a certain direction, the movable valve plate moves to a water passing position, and in the water passing position, the water passing groove 31 is simultaneously communicated with the water passing hole 41 and the diversion hole 42. Specifically, if the diameter of the water inlet surface of the water passage tank 31 is defined as a, the radial distance from the edge of the water outlet surface (i.e., the upper end surface) of the water passage hole 41 to the edge of the water inlet surface (i.e., the upper end surface) of the branch hole 42 is defined as B, and the diameter of the water inlet surface of the branch hole 42 is defined as C, a > B + C, so as to satisfy the requirement that the water passage tank 31 can communicate the water passage hole 41 and the branch hole 42.

It is understood that, in the present embodiment, the water passage holes 41 and the diversion holes 42 are through-hole structures that penetrate vertically. The water passage tank 31 has a non-through tank structure with only one side open.

Further, in the preferred embodiment, the upper end openings of the branch flow holes 42 are closer to the water passage holes 41 than the lower end openings, and an inclined section is formed between the upper end openings and the lower end openings of the branch flow holes 42. More preferably, the diameter of the upper end opening of the diversion holes 42 is smaller than the lower end opening. Through this setting, guarantee to realize different delivery ports and go out water, simultaneously, the structure is more compact.

In this embodiment, the movable valve plate 30 and the stationary valve plate 40 are both ceramic plates to ensure good wear resistance and sealing performance.

The shifting lever assembly 20 pushes the movable valve plate 30 to move through the lever principle, for example, the shifting lever assembly 20 is shifted to the left, and the movable valve plate moves to the right, so that the water trough 31 on the left side moves to the right to open the water through hole 41, and water is discharged from the water outlet 54 on the left side.

Referring to fig. 2 and 9, the lever assembly 20 includes a valve rod 21, a valve rod seat 22 for shifting the valve rod 21 in different directions, and an adapter 23 in transmission connection with the valve rod 21, and a movable valve plate 30 is coupled to the adapter 23 and moves along with the adapter 23.

Further, in the preferred embodiment, the bottom of the adapter 23 is provided with a downwardly protruding engaging post 231, the movable valve plate 30 is provided with an engaging groove 32 adapted to the engaging post 231, and the radial movement of the engaging post 231 drives the movable valve plate 30 to move therewith. Specifically, in the present embodiment, the bottom periphery of the adapter 23 is provided with four uniformly distributed engagement posts 231.

Further, in this embodiment, the valve rod 21 includes a rod handle 211, a ball seat 212, and a transmission head 213 that are connected in sequence, the valve rod seat 22 is provided with a rotation groove 221 that is matched with the ball seat 212, a rotation space for the transmission head 213 to move is provided at the bottom of the rotation groove 221, the transmission head 213 penetrates into the rotation space, and the transmission head 213 is connected with the adapter 23 in a transmission manner.

Specifically, the transmission head 213 has a spherical protrusion, the adapter 23 is provided with a transmission slot 232, and the end of the transmission head 213 having the spherical protrusion is inserted into the transmission slot 232, so as to realize the transmission connection between the adapter 23 and the transmission head 213.

Further, in the preferred embodiment, the inner side wall of the valve housing 10 is provided with a guide boss 101, the periphery of the stem seat 22 is provided with an inwardly recessed side groove 222, and the guide boss 101 is fitted with the side groove 222 to limit the radial displacement of the stem seat 22.

More preferably, the upper periphery of the adapter 23 is provided with a limiting groove 233, and the limiting groove 233 and the guide boss 101 are used for limiting the excessive movement of the adapter 23, so as to ensure the water outlet effect.

The present embodiment further provides a faucet, including the above-mentioned toggle switch valve 100. The specific structure of the faucet can be selected by a person skilled in the art according to the needs of the person, and is not described in detail herein.

In summary, the working principle of the lever type switching valve 100 provided by the present embodiment is as follows:

as shown in fig. 1, when the valve rod 21 is kept upright, it is not toggled, and at this position, the water hole 41 on the static valve plate 40 is closed, and no water is discharged from each water outlet.

As shown in FIG. 10, the valve rod 21 is shifted to the left, and the movable valve plate 30 moves to the right, so that the water trough 31 on the left moves to the right to open the water through hole 41, and water is discharged from the water outlet 54 on the left.

As shown in fig. 11, the valve rod 21 is shifted to the right, and the movable valve plate 30 moves to the left, so that the water trough 31 on the right moves to the left to open the water through hole 41, and water is discharged from the water outlet 54 on the right.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A lever type switching valve, characterized in that it comprises: a valve casing, a lever assembly arranged in the valve casing, a moving valve plate, a static valve plate and a diverter seat;

A water inlet and a plurality of water outlets separated from each other are arranged around the water inlet, and the fluid flows in through the water inlet;

The static valve plate is fixedly arranged on the diverter seat, which is provided with a water passage hole and a plurality of mutually separated diversion holes arranged around the water passage hole, and the water passage holes are arranged corresponding to the water inlet. , the water outlet ends of a plurality of the diverting holes are respectively arranged in a one-to-one correspondence with the plurality of the water outlets;

The movable valve plate is arranged on the static valve plate and is connected with the transmission of the lever assembly. In the non-toggle state, the water through hole is closed by the movable valve plate, and as the toggle lever assembly is toggled, the water through groove in the toggle direction communicates with the corresponding diverter hole and the water channel. The water through holes allow water to flow out of the water outlet in the corresponding toggle direction.

2 . The toggle lever switch valve according to claim 1 , wherein the toggle lever assembly comprises a valve stem, a valve stem seat for the valve stem to toggle in different directions, and a drive connection with the valve stem. 3 . The adaptor seat, the movable valve plate is engaged with the adaptor seat, and moves with the adaptor seat.

3 . The lever-type switching valve according to claim 2 , wherein the valve rod comprises a rod handle, a ball seat and a transmission head which are connected in sequence, and the valve rod seat is provided with a valve suitable for the ball seat. 4 . The bottom of the rotation groove is provided with a rotation space for the transmission head to move, the transmission head penetrates into the rotation space, and the transmission head of the ball seat is drivingly connected to the adapter seat .

4 . The lever type switching valve according to claim 3 , wherein the adapter seat is provided with a transmission slot, and the end of the transmission head is inserted into the transmission slot to realize the transfer. 5 . The transmission connection between the socket and the transmission head.

5 . The lever type switching valve according to claim 2 , wherein the bottom of the adapter seat is protruded downward with a joint column, and the movable valve plate is provided with a joint column adapted to the joint column. 6 . the engaging groove, the radial movement of the engaging column drives the movable valve plate to move with it.

6 . The lever-type switching valve according to claim 2 , wherein a guide boss is provided on the inner side wall of the valve shell, and a side groove recessed inward is provided on the periphery of the valve stem seat. 7 . The guide boss is adapted to the side groove to limit the radial displacement of the valve stem seat.

7 . The lever type switching valve according to claim 1 , wherein an annular flow guiding surface inclined inward is provided along the periphery of the upper end of the water passage hole. 8 .

8 . The lever-type switching valve according to claim 1 , wherein the upper end opening of the diversion hole is closer to the water passage hole than the lower end opening, and the upper end opening and the lower end opening of the diversion hole are formed between the upper end opening and the lower end opening. 9 . sloped segment.

9 . The lever-type switching valve according to claim 1 , wherein the upper and lower ends of the diverter seat are respectively provided with an upper sealing gasket and a lower sealing gasket. 10 .

10. A faucet, characterized in that it comprises the lever-type switching valve according to any one of claims 1 to 9.