CN218468308U - Thermostatic valve and water outlet device - Google Patents

Abstract

The utility model discloses a thermostatic valve and a water outlet device, wherein the thermostatic valve comprises a valve body, a sliding part, a temperature sensing component and a resetting part, and the valve body is provided with a water passing cavity, a cold water inlet, a hot water inlet, a water outlet and a first abutting part; the sliding piece is suitable for sliding relative to the valve body along a first direction so as to enable the water outlet to discharge water or stop water; the temperature sensing assembly is arranged in the water passing cavity and is provided with a deformation part abutting against the sliding part, the length of the deformation part is in positive correlation with the water temperature at the water outlet, and the temperature sensing assembly is provided with a first sealing part which is suitable for abutting against the sliding part to seal the cold water inlet and a second sealing part which is suitable for abutting against the first abutting part to seal the hot water inlet along a first direction; when the water stops, the first sealing part and the second sealing part respectively abut against the sliding part and the first abutting part; the two ends of the reset piece along the first direction respectively support the valve body and the temperature sensing assembly so that the deformation part always supports the sliding piece. The thermostatic valve has the effects of constant temperature, automatic water cut-off when cold water or hot water is lost, and simple operation.

Description

Thermostatic valve and water outlet device

Technical Field

The utility model relates to a water product field, concretely relates to thermostatic valve and water outlet device.

Background

The existing water outlet device can lead to the change of the cold water inlet amount and the hot water inlet amount when the pressure or the temperature of a water pipe changes, thereby leading to the change of the water outlet temperature, influencing the bath effect, through installing the thermostatic valve, the thermostatic valve can realize the constancy of the cold water inlet amount and the hot water inlet amount through the temperature sensing assembly always abutting against the sliding piece (always abutting against through the resetting piece), thereby ensuring the constancy of the water temperature, however, the existing thermostatic valve has a more complex structure, the sliding piece can not close water, the water closing is needed through the water stopping piece with the spring, the water closing is slower, and the water closing is carried out except the force of the resetting piece always abutting against the temperature sensing assembly, the elasticity of the spring of the water stopping piece is needed to be greatly overcome by the force application, the user needs more force application when in use, and the manufacturing cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the above-mentioned thermostatic valve that exists among the background art and need the great elasticity of overcoming stagnant water spring of application of force when closing water, the user needs more application of force when using, and manufacturing cost high problem provides a thermostatic valve and water outlet device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

in a first aspect, a thermostatic valve includes

The valve body is provided with a water passing cavity, a cold water inlet, a hot water inlet and a water outlet which are communicated with the water passing cavity, and a first abutting part is further arranged in the valve body;

the sliding piece is suitable for sliding relative to the valve body along a first direction so that water flows out of the water outlet or water stops;

the temperature sensing assembly is arranged in the water passing cavity and is provided with a deformation part abutting against the sliding part, the length of the deformation part is positively correlated with the water temperature at the water outlet, and the temperature sensing assembly is provided with a first sealing part which is suitable for abutting against the sliding part to seal the cold water inlet and a second sealing part which is suitable for abutting against the first abutting part to seal the hot water inlet along a first direction; when the water stops, the first sealing part and the second sealing part respectively abut against the sliding part and the first abutting part; and the two ends of the resetting piece along the first direction respectively prop against the valve body and the temperature sensing assembly so that the deformation part always props against the sliding piece.

And a second abutting part is arranged in the valve body based on the first abutting part, the second abutting part and the first abutting part are arranged along the first direction, the second abutting part is suitable for abutting against the first sealing part to seal the cold water inlet, and when water is stopped, an interval in the first direction exists between the first sealing part and the second abutting part.

According to the second aspect, the first sealing part and the second sealing part are made of flexible materials;

the temperature sensing assembly is characterized in that the first abutting part, the second abutting part and the sliding part are respectively provided with a first limiting surface perpendicular to the first direction and a protruding part protruding out of the first limiting surface, the protruding part is suitable for abutting against the first sealing part or the second sealing part, the temperature sensing assembly is further provided with a second limiting surface in limiting fit with the first limiting surface, and when the first limiting surface is in limiting fit with the second limiting surface, the protruding part does not move relative to the first sealing part or the second sealing part any more.

A fourth scheme is based on the first scheme, and the rotary valve further comprises a rotary piece, wherein the rotary piece rotates around an axis extending along the first direction, extends out of the valve body and is in sealing fit with the valve body; the sliding piece is in threaded connection with the rotating piece and is in rotation stopping fit with the valve body. And on the basis of the fourth scheme, a water passing gap extending along the first direction and communicated with the water passing cavity is formed between the sliding part and the valve body, the sliding part is provided with a first pressure bearing surface and a second pressure bearing surface which are separated from each other, and two ends of the water passing gap are respectively communicated with areas where the first pressure bearing surface and the second pressure bearing surface face.

And based on the fifth scheme, the valve body is convexly provided with a plurality of rotation stopping ribs extending along the first direction on the inner wall, and the sliding part is provided with a plurality of rotation stopping parts which are arranged between the two rotation stopping ribs and are abutted against the two rotation stopping ribs.

And a seventh aspect is based on the sixth aspect, wherein the water passing gap is formed between the rotation stopping portion and the inner wall of the valve body.

And the sliding part comprises a transmission body, a safety spring and a top cap, the transmission body is in threaded connection with the rotating part and is in rotation-stopping fit with the valve body, two ends of the safety spring along the first direction respectively support the transmission body and the top cap, and the other end of the top cap, which is far away from the safety spring, supports the deformation part.

Based on the eighth scheme, the transmission body is provided with an accommodating groove with an opening facing the water passing cavity, and the safety spring is arranged in the accommodating groove; and the accommodating groove is provided with a third limiting surface which is perpendicular to the first direction and faces the rotating piece, at least part of the top cap is arranged in the accommodating groove, and the part of the top cap arranged in the accommodating groove is provided with a fourth limiting surface which is in limiting fit with the third limiting surface.

A tenth solution, based on the first solution, the temperature sensing assembly includes a temperature sensing element and a sealing element, the sealing element is fixedly connected with the temperature sensing element and is provided with the first sealing portion and the second sealing portion, the temperature sensing element is provided with a temperature sensing portion and a deformation portion, the temperature sensing portion is located at the water outlet and is used for deforming the deformation portion when sensing temperature change, and the resetting element is abutted against the temperature sensing element or the sealing element.

A water outlet device comprises a body and the thermostatic valve in any one of the first to the tenth schemes, wherein the thermostatic valve is arranged on the body, and the body is provided with a cold water end, a hot water end and a water outlet end which are correspondingly communicated with the cold water inlet, the hot water inlet and the water outlet.

As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following advantages:

1. scheme one, this scheme need not to set up stagnant water spare, only needs can realize closing the water function through the displacement of slider, only need overcome the power of the piece that resets that offsets with the temperature sensing subassembly when closing water, need not to overcome other elastic force, and the application of force is littleer, and more facilitate the use and the structure is simpler. Specifically, when water stops, the first sealing part and the second sealing part respectively abut against the sliding part and the first abutting part; controlling the sliding piece to move so that the sliding piece is separated from the first sealing part, cold water enters, and the thermostatic valve discharges the cold water; the sliding part continues to slide along the direction far away from the first abutting part, the temperature sensing assembly moves upwards under the action of the resetting part, so that the first abutting part is separated from the second sealing part, hot water enters, the temperature sensing assembly senses the change of the water temperature, the deformation part extends, and the thermostatic valve produces warm water; when the sliding piece slides to a limit value, the hot water inlet gap is opened to the maximum, and the thermostatic valve discharges hot water; otherwise, switching between hot water, warm water, cold water and closing is performed. When the water is shut off, the temperature sensing assembly is directly driven to move downwards, so that the hot water inlet can be quickly closed, and the cold water outlet can be quickly switched.

When being in out the warm water, if because cold inflow increase (pressure or temperature change), the mixed water temperature reduces, and the temperature of delivery port department reduces promptly, and deformation portion shortens, and the temperature sensing subassembly receives the piece effect that resets to shift up for hot water inflow grow, cold water inflow diminishes, thereby guarantees that the temperature is unchangeable. On the contrary, when the hot water inflow is increased, the water temperature can be ensured to be unchanged, thereby ensuring that the water temperature is constant in the bathing process of a user.

When being in out warm water, if hot water loses the confession, the thermostatic valve only gets into cold water, and the temperature of the department of delivery port descends, and deformation portion shortens, and the piece that resets makes the temperature sensing subassembly shift up for the slider offsets with first sealing, and cold water is closed, and hot water intake volume becomes the biggest (nevertheless because lose the confession, does not have the hot water to get into), thereby makes the delivery port closed, and the thermostatic valve can not go out water. Conversely, when cold water is lost, the thermostatic valve is also closed. Prevent cold water and hot water from directly spraying on the body due to the loss of supply, thereby avoiding the safety problem.

2. And the sliding part is far away from the first sealing part when the temperature is constant, if the hot water is not supplied, the shape stroke of the temperature sensing assembly is long if the temperature sensing assembly abuts against the sliding part, the water shutoff is slow, and the first sealing part abuts against the second abutting part to enable the water shutoff to be quicker, so that the safety is higher.

3. Scheme three, thereby second butt portion, first butt portion and slider offset and first sealing or second sealing reach sealed effect through making first sealing and second sealing deformation, thereby when second butt portion, first butt portion and slider are too big to first sealing or second sealing application of force, first sealing and second sealing become serious, will lead to recovering the difficulty, have used for a long time, can lead to sealed effect variation, unable stagnant water. The deformation of the first sealing part and the second sealing part is limited by the matching of the first limiting surface and the second limiting surface, so that the deformation of the first sealing part and the second sealing part is overlarge, and the service life of a product is ensured.

4. According to the fourth scheme, the rotating part is suitable for rotating and is in threaded connection with the sliding part, and the sliding part is in rotation stopping fit with the valve body, so that when the rotating part rotates, the sliding part cannot rotate and only can slide, and the water temperature can be adjusted in a stepless mode, so that the sliding part stops at any position in the stroke, and the use is convenient.

5. Scheme five, when the thermo valve opened to the hot water, water conservancy can give slider a power that deviates from the water cavity, when the thermo valve closed to cold water, this water conservancy can cause the sliding resistance of slider, lead to the slip difficulty, the user need apply bigger power and just can close water, through the region that water clearance intercommunication first bearing surface and second bearing surface were faced, thereby make first bearing surface and second bearing surface department all receive water conservancy and offset each other, the operation is simpler, and rotate piece and valve body seal fit, the water that comes the slider other end also can not spill by the valve body, guarantee the leakproofness.

6. And in the sixth scheme, the rotation stopping rib is abutted to the rotation stopping part to realize rotation stopping, so that the manufacturing is convenient.

7. And a water passing gap is formed between the rotation stopping part and the inner wall of the valve body, so that the rotation stopping function is realized, the water passing is realized, and the structure is simple.

8. The scheme eight, because the deformation portion of temperature sensing subassembly is comparatively sensitive to temperature variation, and the size of thermostatic valve itself is little, and common temperature sensing subassembly is like paraffin, and deformation portion easily leads to damaging because of the extension is excessive, through setting up safety spring, when deformation portion extension with reset the piece and provide the resistance together, prevent that deformation portion extension excessively leads to damaging. The top cap is arranged, so that force application of the reset spring can be facilitated, the reset spring with the size matched with the formed phase change is not required to be prepared, and the strength is ensured.

9. The transmission body is provided with a third limiting surface perpendicular to the first direction and facing the rotating part, the top cap is provided with a fourth limiting surface in limiting fit with the third limiting surface, so that the top cap cannot be separated from the transmission body and moves along with the transmission body, the installation is convenient, a strong pretightening force can be provided in advance, the deformation part is prevented from being excessively extended, and the pretightening force enables water flow to enter the water passing cavity, the top cap cannot be pushed, and the temperature adjustment is more accurate.

10. The scheme ten, temperature sensing subassembly comprises temperature sensing spare and sealing member, and the two can be prepared respectively, makes simplyr.

11. According to the eleventh scheme, the water outlet device has the effects brought by the thermostatic valve.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a perspective view of a thermostatic valve according to a first embodiment;

FIG. 2 is an exploded view of a thermostatic valve according to an embodiment;

FIG. 3 is a schematic structural diagram of a base according to an embodiment;

FIG. 4 is a perspective view of an upper housing according to one embodiment;

FIG. 5 is a schematic structural diagram of a slider according to an embodiment;

FIG. 6 is a schematic view of the assembly of the sliding member and the upper case according to the first embodiment;

FIG. 7 is a schematic structural diagram of the thermostatic valve in the first embodiment when water stops;

FIG. 8 is a schematic structural view of a thermostatic valve according to the first embodiment;

FIG. 9 is an enlarged view of the cold water inlet at the time of water outlet of the thermostatic valve according to the first embodiment;

fig. 10 is a schematic structural view of a cold water channel and a hot water channel in another embodiment.

Description of the main reference numbers:

a valve body 1; a water passing cavity 11; a cold water inlet 12; a hot water inlet 13; a water outlet 14; a second abutting portion 15; a first abutment 16; a rotation stopping rib 17; a base 18; water passing holes 181; an upper case 19; a slideway 191;

a rotating member 2;

a slider 3; the first pressure bearing face 31; second pressure bearing face 32; a first face 321; a second face 322; a rotation stopper 33; a transmission body 34; the third abutting portion 341; a receiving groove 342; a snap ring 343; a third limit surface 344; a safety spring 35; a top cap 36; a fourth limiting surface 361; a first slot 362;

a temperature sensing component 4; a deformation section 41; the first seal portion 42; a second seal portion 43; a temperature sensing element 44; a temperature sensing section 441; a seal 45;

a restoring member 5;

a water passing gap 6;

a first stopper surface 71; a second stop surface 72;

a filter screen 8.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are preferred embodiments of the invention and should not be considered as excluding other embodiments. Based on the embodiment of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention.

In the claims, the specification and the drawings, unless otherwise expressly limited, the terms "first," "second," or "third," etc. are used for distinguishing between different elements and not for describing a particular sequence.

In the claims, the specification and the drawings, unless otherwise expressly limited, to the extent that directional terms such as "center", "lateral", "longitudinal", "horizontal", "vertical", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "clockwise", "counterclockwise" and the like are used, the positional or orientational relationships illustrated in the drawings are based on the positional and orientational relationships illustrated in the drawings and are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the present invention in any way.

In the claims, the description and the drawings of the present application, unless otherwise specifically limited, the terms "fixedly connected" or "fixedly connected" should be understood in a broad sense, i.e., any connection mode without a displacement relationship or a relative rotation relationship between the two, i.e., including non-detachable fixed connection, integrated connection and fixed connection through other devices or elements.

In the claims, the specification and the drawings, the terms "including", "comprising" and variations thereof, if used, are intended to be inclusive and not limiting.

Referring to fig. 1 to 10, a thermostatic valve includes a valve body 1, a rotary member 2, a slide member 3, a temperature sensing assembly 4, and a restoring member 5.

Referring to fig. 3, 4, 7-9, the valve body 1 is provided with a water passing cavity 11, and a cold water inlet 12, a hot water inlet 13, a water outlet 14, a second abutting portion 15, a first abutting portion 16 and a rotation stopping rib 17 which are communicated with the water passing cavity 11, wherein the second abutting portion 15 and the first abutting portion 16 are arranged from top to bottom along a first direction, and in this embodiment, an operating end of the thermostatic valve is taken as an upper end; specifically, the valve body 1 includes a base 18 and an upper shell 19, referring to fig. 3, the base 18 is provided with a water through hole 181, and a cold water inlet 12, a hot water inlet 13 and a water outlet 14 which are communicated with the water through hole 181, the water through hole 181 is opened along a first direction, wherein the cold water inlet 12 and the hot water inlet 13 are arranged from top to bottom along the first direction, in this embodiment, the cold water inlet 12 and the hot water inlet 13 refer to openings through which the cold water channel and the hot water channel of the valve body 1 are communicated with the water through hole 181, referring to fig. 7, 8 and 10, the openings through which the cold water channel and the hot water channel are communicated with the cold water end and the hot water end outside the valve body 1 can be arranged on the bottom surface or the side surface of the base 18; the opening part of the cold water channel and the hot water channel communicated with the cold water end and the hot water end outside the valve body 1 can be provided with a filter screen 8, so that foreign matters are filtered. The water outlet 14 is downwardly opened on the bottom surface of the base 18 along a first direction, and cold water and hot water respectively enter the water through hole 181 from the cold water inlet 12 and the hot water inlet 13 to be mixed and then flow out from the water outlet 14. The base 18 is provided with a first abutment 16 at the hot water inlet 13. In the present embodiment, the first direction is an extending direction of the rotational shaft of the rotational member 2.

The upper shell 19 is hollow and is screwed with the base 18 in a sealing way, and forms a water passing cavity 11 together with the water passing hole 181. Referring to fig. 4, the upper shell 19 is provided with a second abutting portion 15 and a slideway 191 with openings at two ends along the first direction, the second abutting portion 15 is annularly arranged on the opening of the slideway 191 close to the base 18, and when the upper shell 19 and the base 18 are screwed together, the second abutting portion 15 is positioned at the cold water inlet 12. The upper shell 19 is further provided with a plurality of rotation stopping ribs 17 protruding from the side wall of the slideway 191 and extending along the first direction.

The rotating member 2, with reference to fig. 1, has one end projecting from the valve body 1 and is adapted to slide and rest the sliding member 3 with respect to the valve body 1 when controlled so as to allow the water outlet 14 to discharge or stop the water. The rotating part 2 rotates around an axis extending along the first direction relative to the valve body 1, one end of the rotating part extends out of the valve body 1, the other end of the rotating part is located in the valve body 1, and the rotating part 2 is in sealing fit with the valve body 1. In the present exemplary embodiment, the rotor 2 is connected in a rotationally sealed manner to the upper housing 19 and projects from the end of the upper housing 19 facing away from the base 18.

The sliding part 3 is screwed with the rotating part 2, referring to fig. 5 and 6, the sliding part 3 is further in rotation stopping fit with the valve body 1, slides in the slideway 191 along the first direction under the control of the rotating part 2, and abuts against the first sealing part 42 to stop water, a water passing gap 6 extending along the first direction and communicated with the water passing cavity 11 is formed between the sliding part 3 and the valve body 1, the sliding part 3 is provided with a first pressure bearing surface 31, a second pressure bearing surface 32, a rotation stopping part 33 and a third abutting part 341, the first pressure bearing surface 31 and the second pressure bearing surface 32 are deviated from each other, and two ends of the water passing gap 6 are respectively communicated with areas towards which the first pressure bearing surface 31 and the second pressure bearing surface 32 face. The third abutment 341 is adapted to abut against the first sealing portion 42. The rotating piece 2 is suitable for rotating and is in threaded connection with the sliding piece 3, the sliding piece 3 is in rotation stopping fit with the valve body 1, therefore, when the rotating piece 2 rotates, the sliding piece 3 cannot rotate and only can slide, and the water temperature can be adjusted in a stepless mode, so that the sliding piece 3 stops at any position in the stroke, and the use is convenient. Because user's operation end is for rotating piece 2, rotates the angle that piece 2 and can conveniently instruct specific temperature or water yield (if set up mark or arrow point on rotating piece 2) thereby convenience of customers knows.

Specifically, the sliding part 3 includes a transmission body 34, a safety spring 35 and a top cap 36, the transmission body 34 is used for opening and closing water, the transmission body 34 is screwed with the rotating part 2 and is in rotation stopping fit with the valve body 1, the transmission body 34 is provided with a first pressure-bearing surface 31, a second pressure-bearing surface 32, a rotation stopping part 33 and a third abutting part 341, the rotation stopping part 33 protrudes out of the outer side wall of the transmission body 34, and the rotation stopping part 33 is configured between the two rotation stopping ribs 17 and abuts against the two rotation stopping ribs 17, so that when the rotating part 2 rotates, the transmission body 34 cannot rotate and only slides. A water passing gap 6 is formed between the rotation stopping part 33 and the inner wall (namely the side wall of the slideway 191) of the valve body 1, the rotation stopping effect is realized, the water passing is realized, and the structure is simple. Of course, in order to increase the amount of water passing, a water passing gap 6 is formed between the rotation stopping portion 33 and the two rotation stopping ribs 17.

In the present embodiment, an end surface (a downward end surface) of the transmission body 34 facing the water passing chamber 11 forms a first pressure-bearing surface 31, a step surface of the transmission body 34 facing away from the water passing chamber 11 forms a second pressure-bearing surface 32, the second pressure-bearing surface 32 includes a first surface 321 and a second surface 322, and the second surface 322 is farther away from the water passing chamber 11 relative to the first surface 321. When water enters the water passing cavity 11, the water in the water passing cavity 11 flows to the other end of the transmission body 34 through the water passing gap 6, at this time, the first surface 321 of the step surface is filled with the water, the water continues to reach the end part, far away from the water passing cavity 11, of the sliding part 3 through the gap between the threads of the rotating part 2 and the sliding part 3 until the end part is filled with the water, and the second surface 322 is also filled with the water, so that the first pressure bearing surface 31 and the second pressure bearing surface 32 are subjected to hydraulic force and offset with each other, the operation is more labor-saving, the rotating part 2 is in sealing fit with the valve body 1, the water coming to the other end of the sliding part 3 cannot leak out of the valve body 1, and the sealing performance is ensured.

The transmission body 34 is further provided with an accommodating groove 342 with an opening facing the water passing cavity 11, the accommodating groove 342 is formed by a groove portion and a clamping ring 343 in a surrounding manner, a clamping groove suitable for placing the clamping ring 343 is formed in a side wall of the groove portion, and the clamping ring 343 is formed into a third limiting surface 344 perpendicular to the first direction and facing the rotation member 2.

Both ends of the safety spring 35 along the first direction respectively abut against the transmission body 34 and the top cap 36, and in the present embodiment, the safety spring 35 is disposed in the accommodating groove 342. One end of the top cap 36 abuts against the safety spring 35 and is disposed in the accommodating groove 342, the end of the top cap forms a fourth limiting surface 361 which is in limiting fit with the third limiting surface 344, the other end of the top cap 36 forms a first groove 362 with an opening facing the water passing cavity 11, the bottom of the first groove 362 abuts against the deformation portion 41 of the temperature sensing assembly 4, and the first groove 362 further has an effect of preventing the deformation portion 41 from being separated from the top cap 36 along a direction perpendicular to the first direction. The fourth limiting surface 361 of the top cap 36 is in limiting fit with the third limiting surface 344 of the transmission body 34, so that the top cap 36 cannot be separated from the transmission body 34, the installation is convenient, and the top cap 36 moves along with the transmission body 34. Since the top cap 36 cannot be separated from the transmission body 34, the top cap 36 can be configured to compress the safety spring when being installed, so that a stronger pre-tightening force is provided for the safety spring 35 in advance, thereby preventing the deformation portion 41 from being excessively extended, and the pre-tightening force enables the top cap 36 not to be pushed when water flows enter the water passing cavity 11, so that temperature adjustment is more accurate. No sealing ring is arranged between the top cap 36 and the accommodating groove 342, and when the hydraulic power and the deformation force of the deformation part 41 push the top cap 36 to slide in the accommodating groove 342, the hydraulic power at the two ends of the top cap 36 is balanced, so that the resetting is convenient.

Referring to fig. 7 and 8, the temperature sensing assembly 4 is disposed in the water passing cavity 11 and is provided with a deformation portion 41 abutting against the sliding member 3, the length of the deformation portion 41 is positively correlated with the water temperature at the water outlet 14, and the higher the temperature is, the longer the deformation portion 41 is. The temperature sensing assembly 4 is provided with a first sealing portion 42 adapted to abut against the slider 3 and the second abutting portion 15 to seal the cold water inlet 12 and a second sealing portion 43 adapted to abut against the first abutting portion 16 to seal the hot water inlet 13 along the first direction.

Specifically, the temperature sensing assembly 4 includes a temperature sensing element 44 and a sealing element 45, which are separately prepared and are simpler to manufacture. The sealing member 45 is fixedly connected to the temperature sensing member 44 and is provided with a first sealing portion 42 and a second sealing portion 43, and the first sealing portion 42 and the second sealing portion 43 are made of flexible materials. The sealing member 45 includes a sealing body and a sealing ring, the sealing body is made of a hard material (not easy to deform compared to the sealing ring), and in this embodiment, the sealing body is sleeved on the temperature sensing member 44 and fixed to the temperature sensing member 44 by screwing. The sealing body is provided with a second limiting surface 72 perpendicular to the first direction and a sealing ring groove which is opened on the second limiting surface 72 and is used for accommodating the sealing ring, the sealing ring is arranged in the sealing ring groove and forms a first sealing part 42 or a second sealing part 43, and in the embodiment, two second limiting surfaces 72 are arranged and respectively correspond to the first sealing part 42 and the second sealing part 43. The second abutting portion 15, the first abutting portion 16 and the third abutting portion 341 are provided with a first limiting surface 71 and a protruding portion protruding from the first limiting surface 71, the protruding portion is suitable for abutting against the first sealing portion 42 or the second sealing portion 43, so that the protruding portion deforms to achieve sealing, when the first limiting surface 71 and the second limiting surface 72 are in limiting fit, the protruding portion does not displace relative to the first sealing portion 42 or the second sealing portion 43 any more, namely, the protruding portion does not deform the first sealing portion 42 or the second sealing portion 43 any more, so that the deformation amount of the first sealing portion 42 or the second sealing portion 43 is limited, the first sealing portion 42 and the second sealing portion 43 are prevented from being deformed too much, and the service life of a product is ensured.

The temperature sensing element 44 is provided with a temperature sensing portion 441 and a deformation portion 41, and the temperature sensing portion 441 is located at the water outlet 14 and deforms the deformation portion 41 when sensing a temperature change. The deformation portion 41 abuts against the top cap 36 of the sliding member 3, specifically against the bottom of the first groove 362. Because the deformation portion 41 of the temperature sensing assembly 4 is sensitive to temperature change, and the size of the thermostatic valve is small, the commonly used temperature sensing assembly 4 such as paraffin wax can be instantly elongated when the temperature rises, the deformation portion 41 is easily damaged due to excessive impact on the inner wall of the switching valve caused by elongation, and through the safety spring 35, the deformation portion 41 provides resistance together with the reset piece 5 when the deformation portion 41 is elongated, so that the deformation portion 41 is prevented from being excessively elongated to cause damage. Because the size of deformation portion 41 is also little, if prepare the safety spring 35 of a size and the 41 looks adaptations of deformation portion, because the safety spring 35 size is less, intensity is low, and is unstable, through setting up hood 36, safety spring 35 passes through hood 36 to the 41 application of force of deformation portion, and safety spring 35 can set up bigger, and is more convenient. How the deformation portion 41 deforms is known in the art, and will not be described herein.

Two ends of the reset piece 5 along the first direction respectively support against the valve body 1 and the temperature sensing assembly 4 so that the deformation part 41 always supports against the sliding piece 3. In the present embodiment, one end of the restoring element 5 abuts against the base 18, and the other end abuts against the temperature sensing element 44, it should be understood that the other end of the restoring element 5 may also abut against the sealing element 45.

Referring to fig. 7, when stopping water, the first sealing portion 42 and the second sealing portion 43 abut against the third abutting portion 341 of the slider 3 and the first abutting portion 16 of the valve body 1, respectively, and there is a gap in the first direction between the first sealing portion 42 and the second abutting portion 15 of the valve body 1; referring to fig. 8 and 9, the slider 3 is controlled to move so that the slider 3 is disengaged from the first sealing portion 42, cold water enters, and the thermostatic valve discharges the cold water; the sliding part 3 continues to slide along the direction far away from the second abutting part 15, the temperature sensing assembly 4 moves upwards under the action of the resetting part 5, the first abutting part 16 is separated from the second sealing part 43, hot water enters, the temperature sensing assembly 4 senses the change of the water temperature, the deformation part 41 extends, and the thermostatic valve outputs warm water (the change is a dynamic change process, the temperature is continuously increased along with the upward movement of the sliding part 3, and the temperature sensing assembly 4 is subjected to both the upward acting force of the resetting part 5 and the downward acting force caused by the deformation of the deformation part 41 in the upward movement process of the sliding part 3); when the sliding piece 3 slides to the limit value, the hot water inlet gap is opened to the maximum, and the thermostatic valve discharges hot water; on the contrary, the switch of hot water, warm water, cold water and close is performed (the states are sequentially and gradually changed, and the cold water and the hot water are relative to the set warm water, namely, the temperature of the cold water is lower than that of the warm water). When the water is shut off, the temperature sensing assembly 4 is directly driven to move downwards, so that the hot water inlet 13 can be quickly closed, and the cold water can be quickly switched to be discharged.

Referring to fig. 8 and 9, when the water is in the warm water outlet, if the temperature of the mixed water is reduced due to the increase of the cold water inlet (pressure or temperature change), that is, the water temperature at the water outlet 14 is reduced, the deformation portion 41 is shortened, and the temperature sensing assembly 4 is moved upwards by the reset piece 5, so that the hot water inlet is increased, the cold water inlet is decreased, and the water temperature is ensured to be unchanged. On the contrary, when the hot water inflow is increased, the water temperature can be ensured to be unchanged, thereby ensuring that the water temperature is constant in the bathing process of a user.

Referring to fig. 8 and 9, when the water is heated, if the hot water is not supplied, the thermostatic valve only enters the cold water, the temperature at the water outlet 14 decreases, the deformation portion 41 shortens, the reset member 5 moves the temperature sensing assembly 4 upward, the first sealing portion 42 moves along with the temperature sensing assembly, so that the second abutting portion 15 abuts against the first sealing portion 42, the cold water is closed, the hot water inlet amount becomes maximum (but no hot water enters due to the water supply loss), the water outlet 14 is closed, and the thermostatic valve does not discharge water. Conversely, when the cold water is lost, the thermostatic valve is closed. The problem of safety caused by that cold water and hot water are directly sprayed on the body due to the loss of supply is prevented; in addition, at constant temperature, the slider 3 is far from the first sealing portion 42, and if the slider 3 abuts against the temperature sensing element 4, the stroke of the temperature sensing element is long, and the water shutoff is slow, and the first sealing portion 42 abuts against the second abutting portion 15, so that the water shutoff is quicker and the safety is higher.

When the temperature sensing device is installed, the sealing element 45 is sleeved on the temperature sensing element 44 and is in threaded fit with the temperature sensing element 44 to form the temperature sensing assembly 4, and then the temperature sensing assembly 4 is placed in the water through hole 181; then, the safety spring 35 is placed in the accommodating groove 342 of the transmission body 34, and after the top cap 36 abuts against the safety spring 35, the safety spring 35 and the top cap 36 are assembled through the snap ring 343, so that the safety spring 35 and the top cap 36 cannot be separated from the accommodating groove 342 and combined into the sliding member 3, and then the sliding member 3 is screwed with the rotating member 2; after the rotating member 2 is assembled to the upper case 19 together with the sliding member 3, finally, the upper case 19 is screwed to the base body so that the bottom of the first groove 362 of the top cap 36 abuts against the deformation portion 41 to complete the assembly.

It should be understood that the sliding manner of the sliding member 3 can also be driven by a lever type handle, which is known in the art and not described in detail.

The second embodiment:

a water outlet device comprises a body and the thermostatic valve, wherein the thermostatic valve is arranged on the body, and the body is provided with a cold water end, a hot water end and a water outlet end which are correspondingly communicated with a cold water inlet 12, a hot water inlet 13 and a water outlet 14.

The description of the above specification and examples is intended to illustrate the scope of the invention, but should not be construed as limiting the scope of the invention. Modifications, equivalents and other improvements which may be made to the embodiments of the invention or to some of the technical features thereof by a person of ordinary skill in the art through logical analysis, reasoning or limited experimentation in light of the above teachings of the invention or the above embodiments are intended to be included within the scope of the invention.

Claims (11)

1. A thermostatic valve characterized by: comprises that

The water-saving valve comprises a valve body (1), a water passing cavity (11), a cold water inlet (12), a hot water inlet (13) and a water outlet (14), wherein the cold water inlet (12), the hot water inlet (13) and the water outlet (14) are communicated with the water passing cavity (11), and a first abutting part (16) is further arranged in the valve body (1);

the sliding piece (3) is suitable for sliding relative to the valve body (1) along a first direction to enable the water outlet (14) to discharge water or stop water; the temperature sensing assembly (4) is arranged in the water passing cavity (11) and is provided with a deformation part (41) abutted against the sliding part (3), the length of the deformation part (41) is in positive correlation with the water temperature at the water outlet (14), and a first sealing part (42) which is suitable for abutting against the sliding part (3) to seal the cold water inlet (12) and a second sealing part (43) which is suitable for abutting against the first abutting part (16) to seal the hot water inlet (13) are distributed on the temperature sensing assembly (4) along a first direction; when the water is stopped, the first sealing part (42) and the second sealing part (43) respectively abut against the sliding part (3) and the first abutting part (16);

and the two ends of the resetting piece (5) along the first direction respectively prop against the valve body (1) and the temperature sensing assembly (4) so that the deformation part (41) always props against the sliding piece (3).

2. A thermostatic valve according to claim 1, characterized in that: the valve body (1) is also internally provided with a second abutting part (15), the second abutting part (15) and the first abutting part (16) are arranged along a first direction, the second abutting part (15) is suitable for abutting against the first sealing part (42) to seal the cold water inlet (12), and when water is stopped, an interval along the first direction exists between the first sealing part (42) and the second abutting part (15).

3. A thermostatic valve according to claim 2, characterized in that: the first sealing part (42) and the second sealing part (43) are made of flexible materials;

the first abutting part (16), the second abutting part (15) and the sliding part (3) are respectively provided with a first limiting surface (71) perpendicular to the first direction and a protruding part protruding out of the first limiting surface (71), the protruding part is suitable for abutting against the first sealing part (42) or the second sealing part (43), the temperature sensing assembly (4) is further provided with a second limiting surface (72) in limiting fit with the first limiting surface (71), and when the first limiting surface (71) and the second limiting surface (72) are in limiting fit, the protruding part does not displace relative to the first sealing part (42) or the second sealing part (43).

4. A thermostatic valve according to claim 1, characterized in that: the valve body (1) is in sealing fit with the rotating part (2), and the rotating part (2) rotates around an axis extending along the first direction and extends out of the valve body (1); the sliding piece (3) is in threaded connection with the rotating piece (2) and is in rotation stopping fit with the valve body (1).

5. A thermostatic valve according to claim 4, characterized in that: slider (3) with be formed with between valve body (1) along first direction extension and with cross water clearance (6) of water cavity (11) intercommunication, slider (3) are equipped with first pressure-bearing face (31) and second pressure-bearing face (32) that deviate from mutually, it communicates respectively to cross water clearance (6) both ends first pressure-bearing face (31) and the region that second pressure-bearing face (32) orientation.

6. A thermostatic valve according to claim 5, characterized in that: the valve body (1) is convexly provided with a plurality of rotation stopping ribs (17) extending along the first direction on the inner wall, and the sliding part (3) is provided with a plurality of rotation stopping parts (33) which are arranged between the two rotation stopping ribs (17) and are abutted against the two rotation stopping ribs (17).

7. A thermostatic valve according to claim 6, characterized in that: the water passing gap (6) is formed between the rotation stopping part (33) and the inner wall of the valve body (1).

8. A thermostatic valve according to claim 4, characterized in that: the sliding piece (3) comprises a transmission body (34), a safety spring (35) and a top cap (36), the transmission body (34) is in threaded connection with the rotating piece (2) and is in rotation stop fit with the valve body (1), two ends of the safety spring (35) along a first direction respectively abut against the transmission body (34) and the top cap (36), and the other end, away from the safety spring (35), of the top cap (36) abuts against the deformation part (41).

9. A thermostatic valve according to claim 8, characterized in that: the transmission body (34) is provided with an accommodating groove (342) with an opening facing the water passing cavity (11), and the safety spring (35) is arranged in the accommodating groove (342); and the accommodating groove (342) is provided with a third limiting surface (344) which is perpendicular to the first direction and faces the rotating piece (2), at least part of the top cap (36) is arranged in the accommodating groove (342), and the part of the top cap arranged in the accommodating groove (342) is provided with a fourth limiting surface (361) which is in limiting fit with the third limiting surface (344).

10. A thermostatic valve according to claim 1, characterized in that: temperature sensing subassembly (4) include temperature sensing piece (44) and sealing member (45), sealing member (45) with temperature sensing piece (44) rigid coupling is equipped with first sealing (42) with second sealing (43), temperature sensing piece (44) be equipped with temperature sensing portion (441) with deformation portion (41), temperature sensing portion (441) are located delivery port (14) department makes when sensing the temperature variation deformation portion (41) deformation, reset piece (5) top support in temperature sensing piece (44) or sealing member (45).

11. A water outlet device is characterized in that: the thermostatic valve comprises a body and the thermostatic valve as claimed in any one of claims 1 to 10, wherein the thermostatic valve is arranged on the body, and the body is provided with a cold water end, a hot water end and a water outlet end which are correspondingly communicated with the cold water inlet (12), the hot water inlet (13) and the water outlet (14).

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