CN212564519U

CN212564519U - Fluid control valve

Info

Publication number: CN212564519U
Application number: CN202020526710.9U
Authority: CN
Inventors: 叶立明; 周建平; 白双林; 祝传宝
Original assignee: Xiamen Lota International Co Ltd
Current assignee: Xiamen Lota International Co Ltd
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2021-02-19
Anticipated expiration: 2030-04-10

Abstract

The utility model provides a fluid control valve, which comprises a shell defining a containing space; the valve seat is covered at the inlet of the accommodating space, comprises a first flow passage and a second flow passage which are respectively communicated with an external water source and is used for balancing the fluid pressure between the first flow passage and the second flow passage; the control mechanism is arranged in the accommodating space and also comprises a fluid outlet, the control mechanism is communicated with the first flow passage and the second flow passage and controls the fluid to flow out of the fluid outlet, and the control mechanism is used for adjusting the flow rate and the mixing ratio of the fluid flowing in from the first flow passage and the second flow passage; wherein the valve seat extends along the circumferential direction to form a pressing surface, and the periphery of the inlet of the accommodating space presses against the pressing surface and limits the axial movement of the valve seat along the shell. By applying the technical scheme, the extrusion prevention effect can be realized.

Description

Fluid control valve

Technical Field

The utility model relates to a field of bathroom specifically indicates fluid control valve.

Background

Fluid mixing valves, sometimes also called fluid control valves, are known in washrooms or bathrooms for mixing cold and hot water together and for adjusting the mixing ratio (and thus the water temperature) and the flow rate of the cold and hot water. Typically, one manipulates a fluid mixing valve between its two extreme states by rotating its handle through a range of rotation between its two extreme positions, namely, a closed position and a maximum flow position. In the closed position, no water flows out of the fluid mixing valve; in the hot water maximum position, the water temperature is highest and the flow is greater.

The existing fluid mixing valves have several problems: when the fluid mixing valve is installed and used, for example, when the fluid mixing valve is installed on a faucet structure, when the fluid mixing valve is extruded by installation or water pressure, the existing fluid mixing valve is weak in pressure bearing capacity, easy to cause deformation and heavy in hand feeling of user operation, and easy to clamp an internal structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome not enough among the above-mentioned prior art, provide a prevent extrusion and simple structure set up the fluid control valve of temperature range.

In order to solve the technical problem, the utility model provides a fluid control valve, include

A housing defining an accommodating space;

the valve seat is covered at the inlet of the accommodating space, comprises a first flow passage and a second flow passage which are respectively communicated with an external water source and is used for balancing the fluid pressure between the first flow passage and the second flow passage;

the control mechanism is arranged in the accommodating space and also comprises a fluid outlet, the control mechanism is communicated with the first flow passage and the second flow passage and controls the fluid to flow out of the fluid outlet, and the control mechanism is used for adjusting the flow rate and the mixing ratio of the fluid flowing in from the first flow passage and the second flow passage;

wherein the valve seat extends along the circumferential direction to form a pressing surface, and the periphery of the inlet of the accommodating space presses against the pressing surface and limits the axial movement of the valve seat along the shell.

Preferably, the housing further includes a plurality of first fastening members disposed at intervals around the inlet of the accommodating space, the pressing surface further includes a plurality of first fastening fitting members disposed at intervals, and when the first fastening members are correspondingly connected to the first fastening fitting members, the valve seat cover is disposed on the opening of the accommodating space.

Preferably, the first fastening member is a snap fastener, the first fastening fitting member is a clamping hole arranged on the pressing surface, and the snap fastener extends into the clamping hole to connect and limit the periphery of the inlet of the accommodating space to expand along the radial direction of the valve seat.

Preferably, the housing further includes a plurality of second fastening members disposed at intervals on a periphery of the inlet of the accommodating space, the pressing surface further has a plurality of second fastening fitting members disposed at intervals, and the second fastening members are inserted into the second fastening fitting members to limit the valve seat from twisting in the circumferential direction of the housing.

Preferably, the second fastening member is a wall body extending a distance toward the valve seat along the axial direction of the housing, and the second fastening fitting member is a corresponding hole disposed on the pressing surface.

Preferably, the control mechanism comprises a flow control member and a temperature control member, the flow control member adjusts the flow rate of the fluid flowing from the first flow passage and the second flow passage, and the temperature control member is used for adjusting the mixing ratio of the fluid flowing from the first flow passage and the second flow passage.

Preferably, the flow control member includes an inner casing, and a first inner flow passage and a second inner flow passage which are disposed on the inner casing, an inlet of the first inner flow passage is capable of being correspondingly communicated with an outlet of the first flow passage, an inlet of the second inner flow passage is capable of being correspondingly communicated with an outlet of the second flow passage, and the inner casing is controlled to rotate in the outer casing and drives the inlets of the first and second inner flow passages to respectively increase or decrease relative to communication areas of the outlets of the first and second flow passages.

Preferably, the temperature control member comprises a control seat rotatably arranged in the inner shell, a fluid mixing cavity communicated with the fluid outlet is arranged in the control seat, the control seat further comprises a mixing cavity inlet communicated with the fluid mixing cavity, the mixing cavity inlet can be correspondingly communicated with the outlet of the first inner flow channel and/or the outlet of the second inner flow channel, and the control seat is controlled to rotate and drives the mixing cavity inlet to change the ratio of a first overlapping area with the outlet of the first inner flow channel to a second overlapping area with the outlet of the second inner flow channel.

Preferably, at least a part of the inner housing extends out of the outer housing to define a second operating portion, at least a part of the control seat extends out of the inner housing to define a first operating portion, and the first operating portion and the second operating portion are coaxially arranged.

Preferably, a connecting channel communicating the first flow channel and the second flow channel is arranged in the valve seat, the valve seat further comprises a balancing piece sliding in the connecting channel in a sealing manner, and the balancing piece slides under the influence of the fluid pressure in the first flow channel and the second flow channel and balances the fluid pressure in the first flow channel and the second flow channel.

The utility model also provides a fluid control valve, include:

the first flow passage and the second flow passage are respectively communicated with an external water source;

rotating the hole;

the temperature control element is rotatably arranged in the rotating hole and adjusts the mixing ratio of the fluid flowing in from the first flow passage and the second flow passage according to the rotating angle, and a first stop surface and a second stop surface are arranged on the inner wall of the rotating hole along the circumferential direction and define a first limit groove for limiting the rotating range of the temperature control element;

the rotation limiting block is arranged in the rotating hole and comprises a third stop face arranged between the first stop face and the second stop face, the first stop face and the third stop face define out a limit, the second limiting groove of the rotation range of the temperature control element is formed, the rotation limiting block is configured to be adjustable in position of the third stop face and adjusted in size of the second limiting groove, and the extending length of the second limiting groove is less than or equal to that of the first limiting groove.

Preferably, the rotation limiting block is detachably arranged between a first rotation limiting position and a second rotation limiting position;

when the automobile seat is in the first rotation limiting position, the third stop surface and the second stop surface are overlapped, the extension length of the second limit groove is equal to that of the first limit groove, and when the automobile seat is in the second rotation limiting position, the third stop surface is located between the first stop surface and the second stop surface.

Preferably, when the rotation limiting device is in the second rotation limiting position, the extension length of the second limiting groove is equal to half of the extension length of the first limiting groove.

Preferably, the rotation limiting block is detachably connected with the rotation hole through a spline.

Preferably, the inner wall that rotates the hole extends along circumference and is provided with first spline structure, the outer wall of limit commentaries on classics piece extends in proper order along circumference has second spline structure and the cell wall of stepping down, first spline structure is still including stretching into stopper in the cell wall of stepping down, the limit commentaries on classics piece can be relative rotate the hole and rotate certain angle and imbed, make first spline structure corresponds the joint with second spline structure, the stopper can set up it makes to step down between the both ends of cell wall limit commentaries on classics piece changes between first limit commentaries on classics position and second limit position.

Preferably, the rotation limiting block comprises an extending hole, the temperature control element comprises a first operating part extending out of the extending hole, the first operating part is provided with a convex block, and the convex block rotates along with the first operating part and abuts against the first stopping surface, the second stopping surface or the third stopping surface.

Preferably, the first flow passage and the second flow passage are respectively communicated with cold water and hot water, when the temperature control member rotates and abuts against the first stop surface, the fluid control valve is only communicated with the first flow passage, and when the temperature control member rotates and abuts against the second stop surface, the fluid control valve is only communicated with the second flow passage.

Preferably, the device further comprises a shell, a valve seat and a flow control element, wherein the shell comprises an accommodating space, the flow control element and the temperature control element are arranged in the accommodating space, and the valve seat cover is arranged at an inlet of the accommodating space;

the valve seat is provided with a first flow passage and a second flow passage and is used for balancing the fluid pressure between the first flow passage and the second flow passage, and the flow control part is used for adjusting the flow of fluid flowing from the first flow passage and the second flow passage.

Preferably, the temperature control element comprises a control seat rotatably arranged in the inner shell, the fluid control valve further comprises a fluid outlet, a fluid mixing cavity communicated with the fluid outlet is arranged in the control seat, the control seat further comprises a mixing cavity inlet communicated with the fluid mixing cavity, the mixing cavity inlet can be correspondingly communicated with the outlet of the first inner flow channel and/or the outlet of the second inner flow channel, and the control seat is controlled to rotate and drives the mixing cavity inlet to change the ratio between the first overlapping area of the mixing cavity inlet and the outlet of the first inner flow channel and the second overlapping area of the mixing cavity inlet and the outlet of the second inner flow channel.

Preferably, at least a part of the inner shell extends out of the outer shell to define a second operating part, at least a part of the control seat extends out of the second operating part to define a first operating part, the first operating part and the second operating part are coaxially arranged, and the rotating hole is formed in the second operating part.

Additional features and advantages of the invention will be set forth in part in the description which follows, and in part will be apparent to those having ordinary skill in the art upon examination of the following, or may be learned from the practice of the invention.

Drawings

FIG. 1 is a schematic perspective view of a fluid control valve according to a preferred embodiment of the present invention;

FIG. 2 is a perspective view of another perspective of a fluid control valve according to a preferred embodiment of the present invention;

FIG. 3 is an exploded perspective view of a fluid control valve according to a preferred embodiment of the present invention;

FIG. 4 is an exploded perspective view of another perspective of the fluid control valve in accordance with the preferred embodiment of the present invention;

FIG. 5 is a schematic perspective exploded view of a control mechanism according to a preferred embodiment of the present invention;

FIG. 6 is a schematic perspective exploded view of a valve seat according to a preferred embodiment of the present invention;

FIG. 7 is an exploded view of the rotation limiting block and the fluid control valve in the preferred embodiment of the present invention;

FIG. 8 is a perspective view of a rotation limiting block according to a preferred embodiment of the present invention;

FIG. 9 is a top view of a preferred embodiment of the present invention with a rotation limiting block coupled to a fluid control valve;

FIG. 10 is a schematic cross-sectional view of a preferred embodiment of the present invention with the third stop surface of the rotation limiter disposed between the first stop surface and the second stop surface;

fig. 11 is a schematic cross-sectional view of a rotation limiting block in a first rotation limiting position according to a preferred embodiment of the present invention;

fig. 12 is a schematic cross-sectional view of the rotation limiting block in the second rotation limiting position according to the preferred embodiment of the present invention.

Detailed Description

The invention is further described with reference to the drawings and the detailed description.

Certain directional terms used hereinafter to describe the drawings, such as "inner", "outer", "above", "below", and other directional terms, will be understood to have their normal meaning and refer to those directions as they normally relate to when viewing the drawings. Unless otherwise indicated, the directional terms described herein are generally in accordance with conventional directions as understood by those skilled in the art.

The terms "first," "second," and the like as used herein do not denote any order, quantity, or importance, but rather are used to distinguish one element from another.

Referring to fig. 1 to 12, a fluid control valve 100 includes a housing 1, a valve seat 2 and a control mechanism 3, the fluid control valve 100 is connected to an external water source and controls the temperature and flow rate of the flowing water, and the fluid control valve 100 may be attached to sanitary products such as a faucet, a shower head, a shower post, etc., without being limited thereto.

The housing 1 is a through cylindrical structure and defines an accommodating space 11, the accommodating space 11 includes an inlet 111 and an outlet 112, the outlet 112 is radially inwardly contracted to define a blocking ring portion 113, the control mechanism 3 is loaded into the accommodating space 11 from the inlet 111 of the accommodating space 11, the valve seat 2 is covered at the inlet 111 of the accommodating space 11, and the control mechanism 3 is clamped between the blocking ring portion 113 and the valve seat 2.

The valve seat 2 comprises a first flow passage 21 and a second flow passage 22 which are respectively communicated with an external water source, wherein the first flow passage 21 is communicated with cold water, the second flow passage 22 is communicated with hot water, the valve seat 2 is also used for balancing the water pressure of fluid flowing between the first flow passage 21 and the second flow passage 22, in particular, a connecting passage 23 communicated with the first flow passage 21 and the second flow passage 22 is arranged in the valve seat 2, the first flow passage 21 and the second flow passage 22 extend along the axial direction of the shell 1, the connecting passage 23 extends along the radial direction of the shell 1, the valve seat 2 further comprises a balancing member 24 which is hermetically and slidably arranged in the connecting passage 23, the balancing member 24 is provided with a plurality of sealing rings which are abutted against the connecting passage 23, the sealing rings can prevent water in the first flow passage 21 and the second flow passage 22 from mutually permeating and flowing in, and the balancing member 24 slides under the influence of the fluid pressure in the first flow passage 21 and the second flow passage 22 and balances the first flow passage 21 and the second flow passage 22 When there is a pressure difference between the water pressure in the first flow passage 21 and the water pressure in the second flow passage 22, the balancer 24 moves under the influence of the pressure difference and eventually balances the pressure difference therebetween.

In the installation process of the fluid control valve 100, since the fluid control valve 100 is installed in a faucet, it is pressed by the faucet structure and moves the valve seat 2 along the axial direction of the housing 1, and at this time, the control mechanism 3 is affected by the pressing, so that a user feels heavy feeling when operating the fluid control valve 100, and even the control mechanism 3 is damaged when the pressing force is large.

Therefore, the present invention provides that the valve seat 2 extends along the circumferential direction to have the pressing surface 251, specifically, the valve seat 2 is provided with the pressing flange 25 along the circumferential direction, the pressing surface 251 is disposed on the one surface of the pressing flange 25 facing upwards, the periphery of the inlet 111 of the accommodating space 11 is pressed against the pressing surface 251 and limits the axial movement of the valve seat 2 along the housing 1, so that when the fluid control valve 100 is extruded by the faucet structure, the control mechanism 3 is not affected by the extrusion force.

The housing 1 further includes a plurality of first fastening members 12 disposed at intervals around the inlet 111 of the accommodating space 11, the pressing surface 251 is further disposed at intervals with a plurality of first fastening mating members 252, when the first fastening members 12 are correspondingly connected to the first fastening mating members 252, the valve seat 2 covers the opening of the accommodating space 11, and the first fastening members 12 are directly connected to the first fastening mating members 252 disposed on the pressing surface 251, so that when the housing 1 is pressed, the periphery of the inlet 111 of the accommodating space 11 is not radially expanded by the pressing force, specifically, the first fastening members 12 are snap members, the first fastening mating members 252 are snap holes disposed on the pressing surface 251, more specifically, the snap holes penetrate through the pressing flange 25, the snap members penetrate through the snap holes and are snapped on a downward surface of the pressing flange 25, this structure can be under the condition of not destroying 1 structure of shell, effectual improvement atress intensity, and dismantle easily, and in addition, the structure in this buckle spare and joint hole is full, and the outward appearance is clean and tidy.

The housing 1 further includes a plurality of second fastening members 13 disposed at intervals on the periphery of the inlet 111 of the accommodating space 11, the pressing surface 251 is further provided with a plurality of second fastening fitting pieces 253 at intervals, the second fastening members 13 are inserted into the second fastening fitting pieces 253 to limit the circumferential twisting of the housing 1 along the valve seat 2, specifically, the second fastening fitting pieces 253 are wall bodies extending a distance towards the valve seat 2 along the axial direction of the housing 1, the second fastening fitting pieces 253 are corresponding holes disposed on the pressing surface 251, the corresponding holes penetrate through the pressing flange 25, and when the housing 1 is twisted by an external force, the second fastening members 13 abut against the second fastening fitting pieces 253. In the present embodiment, two of the first fastening members 12 and two of the second fastening members 13 are provided, and the first fastening members 12 and the second fastening members 13 are sequentially arranged at intervals, more specifically, at intervals of 90 degrees.

The control mechanism 3 further includes a fluid outlet 31, the control mechanism 3 communicates with the first flow passage 21 and the second flow passage 22 and controls the fluid to flow out from the fluid outlet 31, the control mechanism 3 is used for adjusting the flow rate and the mixing ratio of the fluid flowing in from the first flow passage 21 and the second flow passage 22, and the valve seat 2 further includes a water receiving port 26 communicating with the fluid outlet 31, which will be described in detail below. The control mechanism 3 comprises a flow control member 32 and a temperature control member 33, wherein the flow control member 32 adjusts the flow rate of the fluid flowing from the first flow passage 21 and the second flow passage 22, and the temperature control member 33 is used for adjusting the mixing ratio of the fluid flowing from the first flow passage 21 and the second flow passage 22.

The flow control member 32 is respectively communicated with the first flow passage 21 and the second flow passage 22 and simultaneously controls the flow rates flowing in from the first flow passage 21 and the second flow passage 22, for example, if the flow rates flowing in from the first flow passage 21 or the second flow passage 22 are both Q, the flow rates flowing in from the first flow passage 21 or the second flow passage 22 can be simultaneously controlled by the flow control member 32 to be reduced to 0.5Q or 0.2Q, and so on.

Specifically, the flow control member 32 includes an inner housing 321, and a first inner flow passage 322 and a second inner flow passage 323 which are disposed on the inner housing 321, an inlet 3221 of the first inner flow passage 322 may be correspondingly communicated with the outlet 211 of the first flow passage 21, an inlet 3231 of the second inner flow passage 323 may be correspondingly communicated with the outlet 221 of the second flow passage 22, the inner housing 321 is controlled to rotate in the outer housing 1 and drives the inlet 3221 of the first inner flow passage 322 and the inlet 3231 of the second inner flow passage 323 to increase or decrease the communication area with respect to the outlet 211 of the first flow passage 21 and the outlet of the second flow passage 22, respectively, in this embodiment, the outlet 211 of the first flow passage 21 and the outlet 221 of the second flow passage 22 are disposed at an interval of 180 degrees, and the inlet 3221 of the first inner flow passage 322 and the inlet 3231 of the second inner flow passage 323 are disposed at an interval of 180 degrees.

Referring to fig. 4 to 5, the connection between the flow control member 32 and the valve seat 2 is shown, the valve seat 2 includes a seat body 27 and a valve ceramic plate 28 disposed on the seat body 27, the seat body 27 is covered on the housing 1, the seat body 27 defines the first flow channel 21 and the second flow channel 22, the valve ceramic plate 28 is hermetically connected to one end of the seat body 27 far away from the inlet of the first flow channel 21, and the outlet 211 of the first flow channel 21 and the outlet 221 of the second flow channel 22 are disposed on the valve ceramic plate 28 at an interval of 180 degrees. The flow control member 32 further comprises a controlled ceramic plate 324 hermetically connecting the first inner flow passage 322 and the second inner flow passage 323, an inlet 3221 of the first inner flow passage 322 and an inlet 3231 of the second inner flow passage 323 are disposed on the controlled ceramic plate 324 at an interval of 180 degrees, and the controlled ceramic plate 324 is frictionally pressed against the valve ceramic plate 28.

When the flow control member 32 is controlled to rotate in the housing 1, the controlled ceramic plate 324 rotates and increases or decreases the communication areas of the inlet 3221 of the first inner flow passage 322 and the inlet 3231 of the second inner flow passage 323 relative to the outlet 211 of the first flow passage 21 and the outlet of the second flow passage 22, respectively, when the communication area of the inlet 3221 of the first inner flow passage 322 and the outlet 211 of the first flow passage 21 is the largest, the flow rate of the first flow passage 21 flowing into the first inner flow passage 322 is the largest, and similarly, when the communication area of the inlet 3221 of the first inner flow passage 322 and the outlet 211 of the first flow passage 21 is the smallest, the flow rate of the first flow passage 21 flowing into the first inner flow passage 322 is the smallest, and in this embodiment, the smallest communication area may be 0.

Similarly, when the communication area between the inlet 3231 of the second inner flow passage 323 and the outlet 221 of the second flow passage 22 is the largest, the flow rate of the second flow passage 22 flowing into the second inner flow passage 323 is the largest, and similarly, when the communication area between the inlet 3231 of the second inner flow passage 323 and the outlet 221 of the second flow passage 22 is the smallest, the flow rate of the second flow passage 22 flowing into the second inner flow passage 323 is the smallest, and in this embodiment, the minimum communication area may be 0. And because the outlet 211 of the first flow passage 21 and the outlet 221 of the second flow passage 22 are arranged at an interval of 180 degrees, and the inlet 3221 of the first inner flow passage 322 and the inlet 3231 of the second inner flow passage 323 are arranged at an interval of 180 degrees, the flow rates of the first flow passage 21 and the second flow passage 22 flowing into the control mechanism 3 can be simultaneously reduced and simultaneously increased.

A rotation angle limiting mechanism is further disposed between the inner casing 321 and the outer casing 1, and is configured to limit an angular range of rotation of the flow control member 32 relative to the outer casing 1, for example, at a first rotation angle, a communication area between the inlet 3231 of the second inner flow passage 323 and the second flow passage 22 is the largest, and at a second rotation angle, a communication area between the inlet 3231 of the second inner flow passage 323 and the second flow passage 22 is the smallest.

In this embodiment, at least a portion of the inner casing 321 extends outside the outer casing 1 to define a second manipulating portion 3211, specifically, the second manipulating portion 3211 extends out of the outlet of the outer casing 1, and the second manipulating portion 3211 is provided with a vertical stripe along a circumferential direction, and the vertical stripe may be in transmission connection with the faucet structure.

Specifically, the inner casing 321 includes a casing seat 3212 and a casing wall 3214, the casing seat 3212 defines the first inner flow passage 322 and the second inner flow passage 323, and the casing seat 3212 and the casing wall 3214 are connected by a snap fit. The housing 3212 includes two receiving grooves 3215, each receiving groove 3215 is provided with an elastic element 3216 and a sealing sleeve 3217, the sealing sleeve 3217 is a hollow structure and defines an outlet 3222 of the first inner flow path 322 or an outlet 3232 of the second inner flow path 323, in this embodiment, the sealing sleeve 3217 is made of rubber, and the elastic element 3216 is a spring.

The temperature control member 33 includes a control seat 331 rotatably disposed in the inner housing 321, a fluid mixing chamber communicating with the fluid outlet 31 is disposed in the control seat 331, the control seat 331 further includes a mixing chamber inlet 3312 communicating with the fluid mixing chamber, and the sealing sleeve 3217 is pressed against the mixing chamber inlet 3312 by the elastic member 3216.

The mixing chamber inlet 3312 may be in communication with the outlet 3222 of the first inner flow passage 322 and/or the outlet 3232 of the second inner flow passage 323, and the control seat 331 is controlled to rotate and to vary a ratio between a first overlapping area of the mixing chamber inlet 3312 with the outlet 3222 of the first inner flow passage 322 and a second overlapping area with the outlet 3232 of the second inner flow passage 323.

Specifically, the mixing chamber inlet 3312 extends a distance along the circumferential direction thereof, and when the first overlapping area is equal to the second overlapping area while the outlet 3222 of the first inner flow passage 322 and the outlet 3232 of the second inner flow passage 323 are simultaneously communicated with each other during rotation, the mixing ratio of the fluid flowing in from the first flow passage 21 and the second flow passage 22 is 1 to 1, and warm water is discharged; when only the outlet 3222 of the first inner flow passage 322 is communicated, the ratio between the first overlapping area and the second overlapping area is 1 to 0 at this time, the mixing ratio of the fluid flowing in from the first flow passage 21 and the second flow passage 22 is 1 to 0 at this time, and the cold water is completely discharged at this time; when only the outlet port 3232 of the second inner flow passage 323 communicates, the ratio between the first overlapping area and the second overlapping area is 0 to 1 at this time, the mixing ratio of the fluid flowing in from the first flow passage 21 and the second flow passage 22 is 0 to 1 at this time, and the hot water is completely discharged.

The fluid outlet 31 is disposed on the outer circumferential wall of the inner housing 321, the control shaft is provided with a mixing chamber outlet 3313 communicating with the fluid mixing chamber, the mixing chamber outlet 3313 communicates with the fluid outlet 31, when the fluid flows out from the outflow outlet and then flows to the water receiving port 26, the communication between the mixing chamber outlet 3313 and the fluid outlet 31 is achieved through a gap between the control shaft and the inner housing 321, and a sealing mechanism, such as a sealing ring, may be disposed between the control shaft and the inner housing 321 to limit a flow path of the fluid. The communication between the fluid outlet 31 and the water receiving opening 26 is achieved through a gap between the inner casing 321 and the outer casing 1, and a sealing mechanism, such as a sealing ring, may be disposed between the control shaft and the inner casing 321 to limit a flow path of the fluid.

Referring to fig. 7-12, at least a portion of the control base 331 extends out of the inner housing 321 and defines a first operating portion 3314, and specifically, the second operating portion 3211 is provided with a rotating hole 3213, and the first operating portion 3314 extends out of the rotating hole 3213, in this embodiment, the first operating portion 3314 is also provided with a vertical stripe along a circumferential direction, which is used for being in transmission connection with the faucet structure and implementing operation.

The first manipulation part 3314 is rotatably disposed in the rotation hole 3213, that is, the temperature control member 33 is rotatably disposed in the rotation hole 3213 by the first manipulation part 3314 and adjusts a mixing ratio of the fluid flowing from the first and

second flow passages

21 and 22 according to a rotation angle, an inner wall of the rotation hole 3213 is circumferentially provided with first and second stop surfaces a and b defining a first limit groove 3218 limiting a rotation range of the temperature control member 33, in this embodiment, the first and second stop surfaces a and b are disposed at an interval of 180 degrees, the first manipulation part 3314 is provided with a protrusion 3315, the protrusion 3315 rotates with the first manipulation part 3314 and abuts on the first and second stop surfaces a and b, when the protrusion 3315 rotatably abuts on the first stop surface a, the fluid control valve 100 communicates only with the first flow passage 21, only cold water is discharged at this time, and when the protrusion 3315 is rotated to abut against the second stop surface b, the fluid control valve 100 communicates only with the second flow passage 22, and only hot water is discharged at this time.

In practical applications, the temperature range controlled by the temperature control member 33 needs to be limited, for example, when the highest temperature is limited, the protrusion 3315 needs to be limited from rotating to abut against the second stop surface b, and when the lowest temperature is limited, the protrusion 3315 needs to be limited from rotating to abut against the first stop surface a.

In this embodiment, taking the maximum temperature limitation as an example, the fluid control valve 100 further includes a rotation limiting block 4 installed in the rotation hole 3213, the rotation limiting block 4 includes an extending hole 41, the first operating part 3314 extends out of the extending hole 41, and the first operating part 3314, the second operating part 3211, and the rotation limiting block 4 are coaxially disposed.

The rotation limiting block 4 comprises a third stop surface c arranged between a first stop surface a and a second stop surface b, the first stop surface a and the third stop surface c define a second limiting groove 42 for limiting the rotation range of the temperature control element 33, the rotation limiting block 4 is configured to adjust the position of the third stop surface c and adjust the size of the second limiting groove 42, and the extension length of the second limiting groove 42 is less than or equal to that of the first limiting groove 3218.

The extending length of the second limiting groove 42 is determined according to the position of the third stopping surface c, in this embodiment, two limit positions of the third stopping surface c are respectively set as a first rotation limiting position and a second rotation limiting position, the rotation limiting block 4 is detachably disposed between the first rotation limiting position and the second rotation limiting position, referring to fig. 11, when in the first rotation limiting position, the third stopping surface c and the second stopping surface b are overlapped, the extending length of the second limiting groove 42 is equal to the extending length of the first limiting groove 3218, and when in the second rotation limiting position, the third stopping surface c is located between the first stopping surface a and the second stopping surface b.

More specifically, referring to fig. 12, when the second rotation limiting position is adopted, the extension length of the second limiting groove 42 is equal to half of the extension length of the first limiting groove 3218, that is, the temperature range controlled by the temperature control member 33 is half of the original range, that is, the limit temperature is limited, and the protrusion 3315 may abut between the first stopping surface a and the third stopping surface c.

The rotation limiting block 4 and the rotation hole 3213 are detachably connected through a spline, and specifically, the inner wall of the rotation hole 3213 is provided with a first spline structure 3219 along circumferential extension, the outer wall of the rotation limiting block 4 sequentially extends along circumferential extension to form a second spline structure 43 and a yielding groove wall 44, the first spline structure 3219 further comprises a limiting block 3220 extending into the yielding groove wall 44, the rotation limiting block 4 can rotate relative to the rotation hole 3213 by a certain angle and is embedded, so that the first spline structure 3219 corresponds to the second spline structure 43 to be clamped, and the limiting block 3220 can be arranged between two ends of the yielding groove wall 44 and make the rotation limiting block 4 change between a first rotation limiting position and a second rotation limiting position.

The above, only be the preferred embodiment of the present invention, but the design concept of the present invention is not limited to this, and any skilled person familiar with the technical field is in the technical scope disclosed in the present invention, and it is right to utilize this concept to perform insubstantial changes to the present invention, all belong to the act of infringing the protection scope of the present invention.

Claims

1. A fluid control valve, comprising:

a housing defining an accommodating space;

2. The fluid control valve of claim 1, wherein: the shell further comprises a plurality of first fastening pieces which are arranged on the periphery of the inlet of the accommodating space at intervals, a plurality of first fastening fitting pieces are further arranged on the pressing surface at intervals, and when the first fastening pieces are correspondingly connected with the first fastening fitting pieces, the valve seat cover is arranged on the opening of the accommodating space.

3. The fluid control valve of claim 2, wherein: the first fastening piece is a fastening piece, the first fastening fitting piece is a clamping hole arranged on the pressing surface, and the fastening piece extends into the clamping hole to be connected with and limit the periphery of the inlet of the accommodating space to radially expand outwards along the valve seat.

4. The fluid control valve of any one of claims 1-3, wherein: the shell further comprises a plurality of second fastening pieces which are arranged on the periphery of the inlet of the accommodating space at intervals, a plurality of second fastening fitting pieces are arranged on the pressing surface at intervals, and the valve seat is limited to twist along the circumferential direction of the shell when the second fastening pieces are inserted into the second fastening fitting pieces.

5. The fluid control valve of claim 4, wherein: the second fastening member is a wall body extending a distance along the housing axial direction toward the valve seat, and the second fastening fitting member is a corresponding hole disposed on the pressing surface.

6. The fluid control valve of claim 1 or 2 or 3 or 5, wherein: the control mechanism comprises a flow control element and a temperature control element, the flow control element adjusts the flow of the fluid flowing from the first flow passage and the second flow passage, and the temperature control element is used for adjusting the mixing ratio of the fluid flowing from the first flow passage and the second flow passage.

7. The fluid control valve of claim 6, wherein: the flow control part comprises an inner shell, a first inner flow passage and a second inner flow passage, the first inner flow passage and the second inner flow passage are arranged on the inner shell, an inlet of the first inner flow passage can be correspondingly communicated with an outlet of the first flow passage, an inlet of the second inner flow passage can be correspondingly communicated with an outlet of the second flow passage, the inner shell is controlled to rotate in the outer shell and drives the inlets of the first inner flow passage and the second inner flow passage to be respectively increased or reduced relative to the communication areas of the outlets of the first flow passage and the second flow passage.

8. The fluid control valve of claim 7, wherein: the temperature control part comprises a control seat which is rotatably arranged in the inner shell, a fluid mixing cavity communicated with the fluid outlet is arranged in the control seat, the control seat further comprises a mixing cavity inlet communicated with the fluid mixing cavity, the mixing cavity inlet can be correspondingly communicated with the outlet of the first inner flow channel and/or the outlet of the second inner flow channel, and the control seat is controlled to rotate and drives the mixing cavity inlet to change the ratio between the first overlapping area of the outlet of the first inner flow channel and the second overlapping area of the outlet of the second inner flow channel.

9. The fluid control valve of claim 8, wherein: at least one part of the inner shell extends out of the outer shell to define a second operating part, at least one part of the control seat extends out of the inner shell to define a first operating part, and the first operating part and the second operating part are coaxially arranged.

10. A fluid control valve according to claim 1 or 2 or 3 or 5 or 7 or 8 or 9, wherein: the valve seat is internally provided with a connecting channel for communicating the first flow channel and the second flow channel, and further comprises a balance piece which hermetically slides in the connecting channel, wherein the balance piece slides under the influence of the fluid pressure in the first flow channel and the second flow channel and balances the fluid pressure in the first flow channel and the second flow channel.

11. A fluid control valve, comprising:

rotating the hole;

12. The fluid control valve of claim 11, wherein: the rotation limiting block is detachably arranged between a first rotation limiting position and a second rotation limiting position;

13. The fluid control valve of claim 12, wherein: when the rotation limiting device is at the second rotation limiting position, the extension length of the second limiting groove is equal to half of the extension length of the first limiting groove.

14. The fluid control valve of claim 12, wherein: the rotation limiting block is detachably connected with the rotation hole through a spline.

15. The fluid control valve of claim 14, wherein: the inner wall that rotates the hole is provided with first spline structure along circumference extension, the outer wall of limit commentaries on classics piece extends in proper order along circumference has second spline structure and the cell wall of stepping down, first spline structure is still including stretching into stopper in the cell wall of stepping down, the limit commentaries on classics piece can be relative rotate the hole and rotate certain angle and imbed, make first spline structure corresponds the joint with second spline structure, the stopper can set up between the both ends of the cell wall of stepping down and make limit commentaries on classics piece changes between first limit commentaries on classics position and second limit position.

16. The fluid control valve of claim 15, wherein: the rotation limiting block comprises an extending hole, the temperature control element comprises a first operating portion extending out of the extending hole, a protruding block is arranged on the first operating portion, and the protruding block rotates along with the first operating portion and abuts against the first stopping face, the second stopping face or the third stopping face.

17. The fluid control valve of any one of claims 11-16, wherein: the first flow passage and the second flow passage are respectively communicated with cold water and hot water, when the temperature control element rotates and abuts against the first stop surface, the fluid control valve is only communicated with the first flow passage, and when the temperature control element rotates and abuts against the second stop surface, the fluid control valve is only communicated with the second flow passage.

18. The fluid control valve of claim 17, wherein: the temperature control device is characterized by further comprising a shell, a valve seat and a flow control element, wherein the shell comprises an accommodating space, the flow control element and the temperature control element are arranged in the accommodating space, and the valve seat covers an inlet of the accommodating space;

19. The fluid control valve of claim 18, wherein: the flow control part comprises an inner shell, a first inner flow passage and a second inner flow passage, the first inner flow passage and the second inner flow passage are arranged on the inner shell, an inlet of the first inner flow passage can be correspondingly communicated with an outlet of the first flow passage, an inlet of the second inner flow passage can be correspondingly communicated with an outlet of the second flow passage, the inner shell is controlled to rotate in the outer shell and drives the inlets of the first inner flow passage and the second inner flow passage to be respectively increased or reduced relative to the communication areas of the outlets of the first flow passage and the second flow passage.

20. The fluid control valve of claim 19, wherein: the temperature control part comprises a control seat which is rotatably arranged in the inner shell, the fluid control valve further comprises a fluid outlet, a fluid mixing cavity communicated with the fluid outlet is arranged in the control seat, the control seat further comprises a mixing cavity inlet communicated with the fluid mixing cavity, the mixing cavity inlet can be correspondingly communicated with the outlet of the first inner flow channel and/or the outlet of the second inner flow channel, and the control seat is controlled to rotate and drives the mixing cavity inlet to change the ratio between the first overlapping area of the outlet of the first inner flow channel and the second overlapping area of the outlet of the second inner flow channel.

21. The fluid control valve of claim 20, wherein: at least one part of the inner shell extends out of the outer shell to define a second operating part, at least one part of the control seat extends out of the second operating part and defines a first operating part, and the rotating hole is formed in the second operating part.