CN212318856U

CN212318856U - Water mixing valve assembly and water heater using same

Info

Publication number: CN212318856U
Application number: CN202020384324.0U
Authority: CN
Inventors: 徐桂勤; 王明
Original assignee: Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Current assignee: Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Priority date: 2020-03-21
Filing date: 2020-03-21
Publication date: 2021-01-08
Anticipated expiration: 2030-03-21

Abstract

The utility model discloses a water mixing valve subassembly and use its water heater, wherein, water mixing valve subassembly includes: the valve body is provided with a valve cavity and a plurality of water passing ports communicated with the valve cavity; and the connector is formed with a water passing channel with two through ends, the water passing channel is communicated with the water passing port, the connector is a metal piece, and the connector is connected with the valve body and is used for connecting a water pipe. The utility model discloses technical scheme can reduce the wearing and tearing at the position that mixes water valve assembly and water piping connection.

Description

Water mixing valve assembly and water heater using same

Technical Field

The utility model relates to a water heater field, in particular to mix water valve assembly and use its water heater.

Background

The water inlet and outlet of the water valve are usually connected with a water pipe, and the water pipe and the water valve need to be disassembled and assembled due to the requirements of cleaning, replacement or maintenance and the like. Considering factors such as cost, a water valve usually adopts a plastic part, if the times of disassembly and assembly are more, the water valve is easily abraded, so that the water pipe and the water valve are difficult to match, and a gap is formed between the water pipe and the water valve to cause water leakage.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a mix water valve subassembly, aim at reducing the wearing and tearing at the position of mixing water valve subassembly and water piping connection.

In order to achieve the above object, the utility model provides a mix water valve assembly includes:

the valve body is provided with a valve cavity and a plurality of water passing ports communicated with the valve cavity; and the number of the first and second groups,

the connector is formed with a water passing channel with two through ends, the water passing channel is communicated with the water passing port, the connector is a metal piece, and the connector is connected with the valve body and used for connecting a water pipe.

Optionally, the valve body is a plastic part, and the connector and the valve body are integrally formed by injection molding.

Optionally, the connector has a first surface connected with the valve body, the first surface is provided with a limiting groove, and the valve body has a limiting protrusion matched with the limiting groove.

Optionally, the limiting groove extends along the circumferential direction of the water passing channel to form a ring shape.

Optionally, the first surface of the connector is further provided with an anti-rotation rib, and the valve body is provided with an anti-rotation groove matched with the anti-rotation rib.

Optionally, the valve body has a connecting portion, the connector with the connecting portion is the overcoat and establishes.

Optionally, connecting portion have the second surface, cross the mouth of a river and run through the second surface, the second surface just encircles it is equipped with the connection annular to cross the mouth of a river, cross the mouth of a river with ring muscle between the connection annular stretches into in the water channel, the connector inserts in the connection annular.

Optionally, the plurality of water outlets include a cold water inlet, a hot water inlet and a mixed water outlet, and at least one of the cold water inlet, the hot water inlet and the mixed water outlet is correspondingly provided with one of the connectors; and/or the connector is provided with threads and the water pipe is screwed.

Optionally, the mixing valve assembly further comprises:

the valve is movably connected with the valve body so as to respectively adjust the communication area of the cold water inlet and the valve cavity and the communication area of the hot water inlet and the valve cavity;

the temperature sensing element is used for driving the valve to move by sensing the deviation amount of the water temperature in the valve cavity;

the outer valve rod is rotatably connected with the valve body;

the inner screw rod is connected with the outer valve rod through threads;

the first elastic piece is respectively connected with the inner screw rod and the temperature sensing element; and the number of the first and second groups,

the second elastic piece is respectively connected with the valve body and the temperature sensing element, and the second elastic piece and the first elastic piece are arranged along a first direction and are respectively arranged at two opposite ends of the temperature sensing element;

the inner screw rod can move along the first direction under the rotation drive of the outer valve rod and drives the temperature sensing element to move along the first direction, so that the valve moves along the first direction.

The utility model also provides a water heater, the water heater includes the inner bag and mixes the water valve subassembly, the inner bag has water inlet and delivery port, mix the cold water access connection of water valve subassembly the water inlet, mix the hot water access connection of water valve subassembly the delivery port.

The utility model discloses in, because the part that is used for connecting the water pipe on the water valve subassembly, the connector has adopted metal construction promptly, and the wearability of metal construction's connector is better, and hardness is higher, and so when it and water piping connection, the wearing and tearing that receive the water pipe are less, can effectively avoid connector wearing and tearing to become invalid to ensure the reliability of water valve subassembly and water piping connection, the life of water valve subassembly is mixed in the extension.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is an assembly schematic diagram of the water heater liner and the water mixing valve assembly of the present invention;

FIG. 2 is an assembled schematic view of the water heater bladder and mixing valve assembly of FIG. 1 from another perspective.

FIG. 3 is a schematic diagram of the mixing valve assembly of FIG. 1;

FIG. 4 is a cut-away schematic view of the mixing valve assembly of FIG. 3;

FIG. 5 is an exploded view of the valve body and the connector of FIG. 3;

FIG. 6 is a schematic view of the mixing valve assembly of FIG. 3 from another perspective;

FIG. 7 is a schematic structural diagram of the connecting head in FIG. 3;

fig. 8 is a sectional view of the connection head of fig. 7.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				10	Water mixing valve assembly	132	Outer valve rod
11	Valve body	133	Internal screw
				111	Valve cavity	134	First elastic member
112	Cold water inlet	135	Second elastic member
				113	Hot water inlet	136	Hand wheel
114	Mixed water outlet	14	Connecting head
				115	Connecting part	141	Water passage
1151	Second surface	142	First surface
				116	Cold water outlet	143	Limiting groove
12	Valve gate	144	Anti-rotation rib
				131	Temperature sensing element	20	Inner container

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a mix water valve assembly.

In the embodiment of the present invention, please refer to fig. 3 and fig. 4 in combination, the water mixing valve assembly 10 includes a valve body 11 and a valve 12, wherein the valve body 11 has a valve cavity 111 and a plurality of water outlets communicating with the valve cavity 111, and the plurality of water outlets include a cold water inlet 112, a hot water inlet 113 and a mixed water outlet 114. Cold water enters the valve chamber 111 from the cold water inlet 112, hot water enters the valve chamber 111 from the hot water inlet 113, and the cold water and the hot water are mixed in the valve chamber 111 and finally flow out from the mixed water outlet 114.

The valve 12 is movably connected to the valve body 11 to adjust a communication area of the cold water inlet 112 and the valve chamber 111 and a communication area of the hot water inlet 113 and the valve chamber 111, thereby adjusting a temperature of water flowing out of the mixed water outlet 114. In some embodiments, the cold water inlet 113 and the hot water inlet 113 may be a water flow passage, and the valve 12 adjusts the opening of the water flow passage communicating with one end thereof.

Referring to fig. 5 to 8, in an embodiment, the water mixing valve assembly 10 further includes a connector 14, the connector 14 forms a water passing channel 141 with two through ends, the water passing channel 141 is communicated with the water passing opening, the connector 14 is a metal member, and the connector 14 is connected to the valve body 11 and is used for connecting a water pipe.

Specifically, the connection head 14 may be substantially cylindrical, and an inner hole thereof is the water passage 141. At least one of the cold water inlet 112, the hot water inlet 113 and the mixed water outlet 114 is provided with one corresponding connector 14, for example, the cold water inlet 112 and the mixed water outlet 114 are respectively provided with one connector 14, the connector 14 arranged at the cold water inlet 112 is connected with a cold water pipe, and the connector 14 arranged at the mixed water outlet 114 is connected with a mixed water pipe.

The utility model discloses in, because the part that is used for connecting the water pipe on mixing water valve assembly 10, connector 14 has adopted metallic structure promptly, metallic structure's connector 14's wearability is better, and hardness is higher, so when it and water piping connection, the wearing and tearing that receive the water pipe are less, can effectively avoid connector 14 wearing and tearing to become invalid to ensure mixing water valve assembly 10 and water piping connection's reliability, the life of extension mixing water valve assembly 10.

In the embodiment of the present invention, the valve body 11 and the connector 14 are connected in a plurality of ways, for example, they can be detachably connected or integrally disposed. In one embodiment, the valve body 11 is a plastic part, and the connector 14 and the valve body 11 are integrally injection-molded. This adopt the form of integrative moulding plastics, reduced the assembly process between them, simultaneously, also can effectively guarantee the sealing performance of both junctions.

In order to increase the contact area between the connecting head 14 and the valve body 11, so that the valve body 11 is more embedded into the connecting head 14, in an embodiment, the connecting head 14 has a first surface 142 connected to the valve body 11, the first surface 142 is provided with a limiting groove 143, and the valve body 11 has a limiting protrusion matching with the limiting groove 143. In this way, when the valve body 11 is integrally molded, the plastic forming the valve body 11 fills the limiting groove 143 to form a limiting protrusion, so that the two are engaged with each other, thereby preventing the connector 14 from being separated from the valve body 11 due to external force. Optionally, the limiting groove 143 extends in a ring shape along the circumferential direction of the water passing channel 141, so that the limiting protrusion is also ring-shaped. The annular limiting groove 143 and the limiting protrusion can prevent the connecting head 14 from being separated from the valve body 11 by moving along the axial direction of the water passage 141. Of course, in other embodiments, the limiting groove 143 is not limited to a ring shape, and may be a point shape, a square shape, a triangular shape, and so on.

In one embodiment, the first surface 142 of the connector 14 is further provided with an anti-rotation rib 144, the valve body 11 has an anti-rotation groove matched with the anti-rotation rib 144, and the anti-rotation rib 144 is matched with the anti-rotation groove to limit the connector 14 to rotate along the circumferential direction of the water passage 141. It is contemplated that the anti-rotation ribs 144 are non-annular, such as being elongated and extending axially along the water passage 141, or the anti-rotation ribs 144 are cross-shaped, etc. In this embodiment, the axes of the water passage 141 and the water passing opening coincide.

In order to further increase the contact area, in an embodiment, the valve body 11 has a connection portion 115, and the connection head 14 is sleeved with the connection portion 115. In this embodiment, the connecting portion 115 may be substantially cylindrical, and the connecting portion 14 may be substantially cylindrical, so as to be sleeved inside and outside the connecting portion, so that the water passing channel 141 and the water passing opening are coaxially connected.

Specifically, connecting portion 115 has second surface 1151, the mouth of crossing water runs through second surface 1151, second surface 1151 just encircles the mouth of crossing water is equipped with the connection annular, cross the mouth of a river with the ring muscle between the connection annular stretches into in the water channel 141, connector 14 inserts in the connection annular. By such arrangement, a part of the valve body 11 extends into the water passing channel 141 and abuts against the wall of the water passing channel 141, and a part of the connecting head 14 also extends into the valve body 11 and abuts against the wall of the connecting ring groove. Through the mutual gomphosis of both, realize better fixed effect. In the above embodiment, the first surface 142 refers to the outer peripheral surface of the connection head 14.

In one embodiment, the connector 14 is threaded and the water pipe is threaded. Specifically, the outer circumferential surface of the connector 14 is provided with external threads to be screwed with the water pipe. Even if the water pipe needs to be frequently disassembled and assembled and continuously rubs with the thread of the connector 14, the connector 14 is a metal piece, so that the hardness is high, and the abrasion of the connector can be effectively reduced. Specifically, the material of the connector 14 is copper or stainless steel.

In one embodiment, the mixing valve assembly 10 further includes a temperature sensing element 131, and the temperature sensing element 131 is connected to the valve 12 for driving the valve 12 to move by sensing the deviation of the water temperature in the valve cavity 111, so that the valve 12 adjusts the opening ratio of the cold water inlet 112 and the hot water inlet 113. Alternatively, the temperature sensing element 131 may be a bulb.

When the mixing valve assembly 10 of the present embodiment is used, a user may adjust a preset water temperature according to actual needs, during a subsequent use process, a real-time water temperature in the valve cavity 111 may deviate from the preset water temperature, and the temperature sensing element 131 may continuously sense a deviation amount of the water temperature, and drive the valve 12 to generate a displacement according to the deviation amount of the water temperature, so as to correspondingly adjust an opening ratio between the cold water inlet 112 and the hot water inlet 113, so that the deviation amount of the water temperature is compensated in time, and the preset water temperature in the valve cavity 111 is always maintained constant. For example, when the real-time water temperature in the valve cavity 111 is higher than the preset water temperature, the temperature sensing element 131 immediately drives the valve 12 to displace to enlarge the opening degree of the cold water inlet 112, or to reduce the opening degree of the hot water inlet 113 while enlarging the opening degree of the cold water inlet 112, so as to increase the proportion of the cold water flowing into the valve cavity 111, thereby reducing the real-time water temperature to the preset water temperature, so as to obtain the effect of constant water temperature.

Therefore, by adopting the water mixing valve assembly 10 in the embodiment of the present invention, the thermostatic regulation process does not need manual participation of users, and therefore, the water mixing valve assembly is convenient to use for any user group, i.e., has high convenience and universality. In addition, it should be noted that the mixing valve assembly 10 is a pure mechanical structure, and compared with the existing electronic thermostatic regulating device, the mixing valve assembly can stably operate for a long time without depending on electric power, so that the mixing valve assembly has high reliability and relatively low cost. Moreover, because this mix water valve assembly 10 can realize that the constant temperature goes out water, and combines above-mentioned advantage, can promote user's use greatly and experience.

In one embodiment, the mixing valve assembly 10 further includes a driving assembly, the driving assembly is connected to the temperature sensing element 131, and the driving assembly drives the temperature sensing element 131 to move, so as to drive the valve 12 to move. The drive assembly is referred to as a mechanical drive assembly.

In one embodiment, the drive assembly may include an outer valve stem 132 and an inner screw 133 that are threaded into one another. The outer valve rod 132 is rotatably connected to the valve body 11, the inner screw 133 is connected to the temperature sensing element 131, and the inner screw 133 can move in a first direction under the rotation driving of the outer valve rod 132 and drive the temperature sensing element 131 to move in the first direction, so that the valve 12 moves in the first direction to adjust the opening ratio of the cold water inlet 112 and the hot water inlet 113.

For example, referring to the embodiment shown in fig. 4, the first direction refers to the axial direction of the valve cavity 111, and the outer valve stem 132 is always stationary in the axial direction of the valve cavity 111, but can horizontally pivot along its central axis. While the inner screw 133 can move axially along the valve cavity 111 while the inner screw pivots horizontally, so that the temperature sensing element 131 is driven to move axially along the valve cavity 111, and the valve 12 is further driven to adjust the opening ratio. Of course, the specific structure of the driving assembly in the mixing valve assembly 10 is not limited thereto.

In some embodiments, an elastic member may be disposed at least at one end of the temperature sensing element 131, so as to ensure that the axial displacement of the temperature sensing element 131 along the valve cavity 111 is converted into the axial deformation of the elastic member along the valve cavity 111, thereby facilitating further conversion of the axial deformation of the elastic member along the valve cavity 111 into the axial displacement of the valve 12 along the valve cavity 111, and facilitating improvement of reliability and stability of the driving structure. Of course, in other embodiments, the temperature sensing element 131 may also be configured to directly drive the valve 12 to move, for example, the valve 12 may be directly connected to the temperature sensing element 131, and the deformation generated by the temperature sensing element 131 may be directly converted into the displacement of the valve 12.

In one embodiment, the driving assembly further comprises a first elastic member 134 and a second elastic member 135, the first elastic member 134 is connected to the inner screw 133 and the temperature sensing element 131 respectively; the second elastic member 135 is respectively connected to the valve body 11 and the temperature sensing element 131, and the second elastic member 135 and the first elastic member 134 are arranged along the first direction and are respectively disposed at two opposite ends of the temperature sensing element 131.

Specifically, the first elastic member 134 and the internal screw 133 are provided at the same end of the temperature sensing element 131. Wherein, the inner screw 133 may be provided with a guide slot, one end of the first elastic element 134 is connected with the bottom of the guide slot, and the other end is connected with the temperature sensing element 131. It should be noted that, in order to guarantee the stationarity of motion, a connecting block may be disposed in the guide groove, the connecting block is connected with the guide groove in a sliding manner, the other end of the first elastic member 134 is connected with the connecting block, that is, the first elastic member 134 is limited in the guide groove by the connecting block, and thus, the first elastic member 134 abuts against the temperature sensing element 131 through the connecting block.

Further, the drive assembly may also include a hand wheel 136 fixedly attached to the outer valve stem 132, i.e., the user may manually adjust the desired preset water temperature by turning the hand wheel 136. Of course, the electric control structure can be arranged to drive the outer valve rod 132 to horizontally pivot, so as to save manual temperature adjustment operation for users.

The utility model discloses still provide a water heater, please combine reference fig. 1 and fig. 2, wherein, fig. 2 is the schematic structure under the water heater inner bag normal use state. The water heater includes an inner container 20 and a mixing valve assembly 10, wherein the structure of the mixing valve assembly 10 refers to the above embodiments, and is not described herein again. Specifically, the inner container 20 has a water inlet and a water outlet, the cold water outlet 116 of the mixing valve assembly 10 is connected to the water inlet, and the hot water inlet 113 of the mixing valve assembly 10 is connected to the water outlet.

In one embodiment, the opening directions of the hot water inlet 113 and the cold water outlet 116 of the mixer valve assembly 10 are the same, the opening directions of the mixed water outlet 114 and the cold water inlet 112 are also the same, and the opening direction of the hot water inlet 113 is perpendicular to the opening direction of the mixed water outlet 114. For example, when the mixer valve assembly 10 is installed on the liner 20, the hot water inlet 113 and the cold water outlet 116 are both opened upward, and the mixed water outlet 114 and the cold water inlet 112 are opened rearward, such that the water inlet direction of the hot water inlet 113 is along the vertical direction, the water inlet direction of the cold water outlet 116 is along the vertical direction, and the water outlet direction of the mixed water outlet 114 and the water inlet direction of the cold water inlet 112 are along the horizontal direction. After the mixed water outlet 114 is connected with the water outlet pipe, and the cold water inlet 112 is connected with the water inlet pipe, the directions of the water inlet pipe and the water outlet pipe can be in the horizontal direction, the directions of the water inlet pipe and the water outlet pipe of the inner container 20 are changed from the traditional vertical direction to the horizontal direction by the mixed water valve assembly 10, the mixed water valve assembly 10 can be hidden behind the water heater outer cover to enter and exit water, and the installation space of the water heater can be reduced.

The above is only the exemplary/optional embodiment of the present invention, and not therefore the scope of the present invention is limited, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims

1. A mixing valve assembly, comprising:

a valve body having a valve cavity and a plurality of water passing ports communicating with the valve cavity, and,

2. The mixing valve assembly of claim 1, wherein the valve body is a plastic part and the connector is integrally injection molded with the valve body.

3. The mixing valve assembly as recited in claim 2 wherein the coupling head has a first surface coupled to the valve body, the first surface having a retaining groove, the valve body having a retaining protrusion that engages the retaining groove.

4. The mixing valve assembly according to claim 3, wherein the limiting groove extends in a ring shape along the circumferential direction of the water passage.

5. The mixer valve assembly according to claim 3 wherein the first surface is further provided with anti-rotation ribs and the valve body has anti-rotation grooves cooperating with the anti-rotation ribs.

6. The mixing valve assembly according to any of the claims 2 to 5, wherein the valve body has a connection portion, and the connection head is internally and externally sleeved with the connection portion.

7. The mixing valve assembly as recited in claim 6 wherein said connecting portion has a second surface, said water passing opening penetrates said second surface, said second surface has a connecting ring groove surrounding said water passing opening, a ring rib between said water passing opening and said connecting ring groove extends into said water passing channel, and said connecting head is inserted into said connecting ring groove.

8. The mixing valve assembly of claim 1, wherein the plurality of water passing openings comprise a cold water inlet, a hot water inlet and a mixing water outlet; at least one of the cold water inlet, the hot water inlet and the mixed water outlet is correspondingly provided with one connector; and/or the connector is provided with threads and is in threaded connection with the water pipe.

9. The mixing valve assembly of claim 1, further comprising:

the outer valve rod is rotatably connected with the valve body;

the inner screw rod is connected with the outer valve rod through threads;

10. A water heater comprising a liner and the mixer valve assembly of any one of claims 1-9, wherein the liner has a water inlet and a water outlet, the mixer valve assembly defines a cold water outlet, the cold water outlet is communicated with the cold water inlet, the cold water outlet is connected to the water inlet, and the hot water inlet of the mixer valve assembly is connected to the water outlet.