CN220187117U - Integrated joint and water heater comprising same - Google Patents

Abstract

The utility model provides an integrated connector and a water heater comprising the same, and relates to the technical field of water heaters. The integrated connector comprises a shell and a blocking piece, wherein the shell comprises a water flow channel, an air flow channel and a containing cavity between the two channels, the blocking piece is arranged in the containing cavity and blocks the communication of the two channels, and one end of the blocking piece, which is close to the air flow channel, is provided with a through hole. Under normal conditions, the water flow channel and the air flow channel are respectively used for ventilation and water pressure is larger than air pressure, and the blocking piece is pressed to move towards the direction of the air flow channel so as to penetrate through the air flow channel through the through hole, so that the two channels are normally used; when the joint of the integrated joint and the water heater is connected reversely, the blocking piece is pressed to move towards the direction of the water flow channel to block the water flow channel due to the fact that the water pressure is larger than the air pressure, and when the water flow channel cannot receive a water flow signal, the water heater stops running electrically, so that serious influence caused by water flow entering the gas proportional valve or the gas supply pipe is avoided.

Description

Integrated joint and water heater comprising same

Technical Field

The utility model relates to the technical field of water heaters, in particular to an integrated joint and a water heater comprising the same.

Background

The water heater refers to a device which can raise the temperature of cold water to become hot water in a certain time through various physical principles. Because the types of water heaters in the current market are more, the positions of the air inlet interface and the water inlet interface of the water heater in different types are inconsistent, and even the water heater with the same brand has the air inlet interface and the water inlet interface in different positions, the two interfaces are wrongly connected in the process of installing or maintaining the water heater.

Because the water pressure in the water heater is far greater than the air pressure, if the positions of the air inlet interface and the water inlet interface are connected in a wrong way, the water pressure can burst the fuel gas proportional valve after the power-on operation, so that the whole water heater cannot be used. When the situation is serious, water in the gas path may enter the gas supply pipe, so that the gas supply pipe is supplied with water, and the supply of the whole gas pipeline to the gas is affected.

Disclosure of Invention

The utility model aims to overcome the defect that in the prior art, when an air inlet interface and a water inlet interface of a water heater are connected in a wrong way, the water heater cannot be used or even gas supply is affected, and provides an integrated connector and the water heater comprising the integrated connector.

The utility model solves the technical problems by the following technical scheme:

an integrated joint, its characterized in that, integrated joint includes:

the shell comprises a water flow channel and an air flow channel, and a containing cavity is arranged between the water flow channel and the air flow channel;

the blocking piece is arranged in the accommodating cavity and blocks the communication between the water flow channel and the air flow channel, and one end, close to the air flow channel, of the blocking piece is provided with a through hole;

the blocking piece is pressed to move in the direction of the water flow channel to block the water flow channel, or the blocking piece is pressed to move in the direction of the air flow channel to penetrate the air flow channel through the through hole.

In the scheme, when the integrated connector is normally connected with the water heater, the water flow channel and the air flow channel are respectively used for water ventilation and air ventilation, and because the water pressure is larger than the air pressure, the water pressure applies pressure to the blocking piece in the accommodating cavity to promote the blocking piece to move towards the direction of the air flow channel, and the blocking piece penetrates through the air flow channel through the through hole, so that the water flow channel and the air flow channel are normally used; when the integrated connector is connected with the interface of the water heater reversely, namely, the water flow channel is used for ventilation, the air flow channel is used for ventilation, and the water pressure is higher than the air pressure, so that the blocking piece is driven to move towards the direction of the water flow channel by the water pressure, the water flow channel is blocked, and when the water flow channel can not receive a water flow signal, the water heater stops the electric operation, so that serious influence caused by water flow entering the gas proportional valve or the gas supply pipe is avoided.

Further, the water flow channel and the air flow channel are arranged at intervals, and two ends of the accommodating cavity along the axial direction of the accommodating cavity are respectively communicated with the water flow channel and the air flow channel in a crossing manner.

In this scheme, through this kind of setting for rivers passageway, air current passageway are connected into the casing that is similar to "worker" style of calligraphy structure with holding the chamber, and the separation piece is more convenient to the direction of rivers passageway or air current passageway's direction removal in holding the intracavity, also further makes integrated joint's overall structure more reasonable.

Further, the shell is provided with limiting parts at two ends of the accommodating cavity along the axial direction respectively, and the blocking piece is abutted to the limiting parts at corresponding positions after being pressed and moved in the accommodating cavity, so that the water flow channel is blocked or the air flow channel is penetrated through the penetrating through hole.

In this scheme, through this kind of setting, when the separation piece is after the pressurized removes, can utilize spacing portion to carry out spacingly to the separation piece to make its more stable shutoff water flow channel or pass through the through-hole link up air flow channel.

Further, the axial direction of the through hole is consistent with the axial direction of the airflow channel; and/or the radial dimension of the through hole is equal to the radial dimension of the airflow channel.

In this scheme, through this kind of setting, when the barrier piece moved to airflow channel's direction, airflow was through running through the through-hole more convenient, more smooth and easy in airflow channel's circulation.

Further, the outer wall surface of the blocking piece, which is close to one end of the water flow channel, is inwards recessed to form an annular sealing groove, and a sealing ring matched with the accommodating cavity is arranged in the annular sealing groove.

In this scheme, through this kind of setting, more effectually make the separation piece keep apart rivers passageway and air current passageway in holding the intracavity, guarantee simultaneously the leakproofness between rivers passageway and the air current passageway, avoid rivers and gaseous intermixing.

Further, the integrated connector further comprises an end cover, wherein the shell is in an opening structure at one end of the accommodating cavity, and the end cover is detachably connected with the shell and seals the opening structure.

In this scheme, through this kind of setting for the end cover can dismantle on integrated joint, when needs will hold the separation piece that holds the intracavity and reset, can dismantle the end cover and adjust the separation piece in opening structure department.

Further, a connecting portion is formed at one end of the opening structure in an outward extending mode in the radial direction, and the end cover is matched with the connecting portion and is fixedly connected through a fastener.

In this scheme, through this kind of setting, utilize connecting portion on the casing to join in marriage and be connected fixedly through the fastener with the end cover, dismantle convenient operation and connect closely.

Further, the fastener is a set screw, threaded holes are correspondingly formed in the end cover and the connecting portion, and the set screw is respectively connected to threaded holes in the end cover and the connecting portion in a penetrating mode.

In this scheme, through this kind of setting, utilize set screw and screw thread matched with mode for the end cover cooperatees with the fastener mutually, simple structure and convenient operation.

Further, the integrated joint further comprises a sealing element, wherein the sealing element is arranged between the end cover and the shell, and seals the opening structure.

In this scheme, through this kind of setting, the leakproofness of assurance casing in end cover department that can be better prevents to take place to leak.

A water heater characterized in that the water heater comprises an integrated joint as described above.

In this scheme, through this kind of setting, can effectually solve among the prior art the air inlet interface of water heater and the interface that intakes can lead to the unable defect that even influence the gas supply of water heater when connecing.

The utility model has the positive progress effects that:

when the integrated connector is normally connected with the water heater, the water flow channel and the air flow channel are respectively used for ventilation and water pressure, and as the water pressure is greater than the air pressure, the water pressure applies pressure to the blocking piece in the accommodating cavity to promote the blocking piece to move towards the direction of the air flow channel, and the blocking piece penetrates through the air flow channel through the through hole, so that the water flow channel and the air flow channel are normally used; when the integrated connector is connected with the interface of the water heater reversely, namely, the water flow channel is used for ventilation, the air flow channel is used for ventilation, and the water pressure is higher than the air pressure, so that the blocking piece is driven to move towards the direction of the water flow channel by the water pressure, the water flow channel is blocked, and when the water flow channel can not receive a water flow signal, the water heater stops the electric operation, so that serious influence caused by water flow entering the gas proportional valve or the gas supply pipe is avoided.

Drawings

Fig. 1 is a schematic diagram of an integrated joint according to an embodiment of the utility model.

Fig. 2 is a schematic cross-sectional view of a housing according to an embodiment of the utility model.

Fig. 3 is a schematic structural view of a barrier according to an embodiment of the utility model.

Fig. 4 is a schematic cross-sectional view of an integrated connector in an unconnected state according to an embodiment of the present utility model.

Fig. 5 is a schematic cross-sectional view of an integrated connector according to an embodiment of the utility model in a correctly connected state.

Fig. 6 is a schematic cross-sectional view of an integrated connector in a connection error state according to an embodiment of the utility model.

Reference numerals illustrate:

integrated joint 1

Housing 10

The water flow channel 11

Air flow channel 12

Accommodation chamber 13

Limit part 14

Connection portion 15

Barrier 20

Through-hole 21

Annular seal groove 22

Stretching rod 23

End cap 30

Set screw 40

Seal ring 50

Seal 60

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below are exemplary and intended to illustrate the present utility model and should not be construed as limiting the utility model, and all other embodiments, based on the embodiments of the present utility model, which may be obtained by persons of ordinary skill in the art without inventive effort, are within the scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

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

The embodiment provides an integrated joint 1 and water heater that contains it, and integrated joint 1 connects the water inlet department at the water heater inlet tube, and external rivers need to get into the inside of water heater through integrated joint 1 side and heat, and simultaneously, external air current also need to reach the combustion chamber department of water heater through integrated joint 1, promotes combustion performance. As shown in fig. 1 and 2, the water flow and the air flow between the outside need to pass through the integrated joint 1, so a water flow channel 11 and an air flow channel 12 are arranged in a shell 10 of the integrated joint 1, wherein the shell 10 is provided with a water inlet and a water outlet at two ends of the water flow channel 11, the shell 10 is provided with an air inlet and an air outlet at two ends of the air flow channel 12, the water inlet is used for entering the outside water flow, the water outlet is used for being connected with a water inlet pipe of the water heater, the air inlet is used for entering the outside air flow, and the air outlet is connected with an air outlet pipe of the water heater, so that the air flow is guided to a combustion chamber of the water heater.

The water flow channel 11 and the air flow channel 12 of the shell 10 are arranged at intervals, the shell 10 is provided with a containing cavity 13 between the water flow channel 11 and the air flow channel 12, the shell 10 is of a cylindrical structure with hollow inside at the containing cavity 13, the blocking piece 20 is arranged inside the containing cavity 13, the blocking piece 20 is of a cylindrical structure as shown in fig. 3, the outer shape of the blocking piece 20 is matched with the inner shape of the containing cavity 13, and the blocking piece 20 can be contained in the containing cavity 13 and is blocked from communicating with the water flow channel 11 and the air flow channel 12. It should be noted that, in this embodiment, the accommodating cavity 13 and the blocking member 20 may be configured to have other shapes that can be mutually matched according to actual needs.

As shown in fig. 3 and 4, when the blocking member 20 is accommodated in the accommodating cavity 13, the blocking member 20 is provided with a through hole 21 at one end close to the air flow channel 12, the blocking member 20 can move after being pressed in the accommodating cavity 13, when the blocking member 20 moves towards the direction of the water flow channel 11, the blocking member 20 blocks the water flow channel 11 after moving, when the blocking member 20 moves towards the direction of the air flow channel 12, and after moving, the through hole 21 on the blocking member 20 is positioned on the air flow channel 12, so that the air flow channel 12 is penetrated through by the through hole 21.

With this arrangement, when the integrated joint 1 is normally connected with the water heater, as shown in fig. 5, the water flow channel 11 and the air flow channel 12 are respectively used for water and air ventilation, and because the water pressure is greater than the air pressure, the water pressure applies pressure to the blocking member 20 in the accommodating cavity 13 to promote the blocking member 20 to move towards the air flow channel 12, and the blocking member 20 penetrates through the air flow channel 12 through the through hole 21, so that the water flow channel 11 and the air flow channel 12 are normally used; when the joint of the integrated joint 1 and the water heater is connected reversely, as shown in fig. 6, the water flow channel 11 is used for ventilation, the air flow channel 12 is used for water ventilation, and the water pressure drives the blocking piece 20 to move towards the direction of the water flow channel 11 due to the fact that the water pressure is larger than the air pressure, so that the water flow channel 11 is blocked, and when the water flow channel 11 does not receive a water flow signal, the water heater stops the electric operation, so that serious influence is caused when the water flow enters the gas proportional valve or the gas supply pipe.

In this embodiment, as shown in fig. 2, the housing 10 is also a cylindrical housing structure at the water flow channel 11 and the air flow channel 12, so that the water flow channel 11 and the air flow channel 12 can be disposed in parallel with each other at intervals, and both ends of the housing chamber 13 along the axial direction along which the housing chamber extends are respectively in cross communication with the water flow channel 11 and the air flow channel 12. Through this kind of setting for rivers passageway 11, air current passageway 12 are connected with hold chamber 13 and are formed the casing 10 that is similar to "worker" style of calligraphy structure, and barrier 20 more conveniently remove to the direction of rivers passageway 11 or air current passageway 12 in holding chamber 13, also further makes integrated joint 1's overall structure more reasonable.

Further, as shown in fig. 4, 5 and 6, after the two ends of the accommodating cavity 13 along the axial direction thereof are respectively in cross communication with the water flow channel 11 and the air flow channel 12, the two ends of the accommodating cavity 13 respectively continue to extend out of the water flow channel 11 and the air flow channel 12, so that the two ends of the accommodating cavity 13 of the housing 10 can be respectively provided with a limiting part 14. The limiting part 14 near one end of the airflow channel 12 can abut against the blocking piece 20 after the blocking piece 20 moves in the accommodating cavity 13 under pressure. When the blocking member 20 is pressed in the accommodating cavity 13 to move toward one end of the airflow channel 12, the blocking member 20 abuts against the limiting portion 14 of the accommodating cavity 13, which is close to the airflow channel 12, and the through hole 21 on the blocking member 20 can be opposite to the airflow channel 12, and the axial direction of the through hole 21 is consistent with that of the airflow channel 12, and more preferably, the radial dimension of the through hole 21 is equal to that of the airflow channel 12, so that the through hole 21 will not generate position deviation with the airflow channel 12, and the flow area of the airflow channel 12 is reduced.

Similarly, the holding cavity 13 of the housing 10 may also be provided with a limiting portion 14 at an end near the water flow channel 11, when the blocking member 20 is pressed in the holding cavity 13 to move toward the end of the water flow channel 11, the blocking member 20 abuts against the limiting portion 14 of the holding cavity 13 near the water flow channel 11, so that the blocking member 20 blocks the water flow channel 11. With this arrangement, when the blocking member 20 moves under pressure, the blocking member 20 can be restrained by the restraining portion 14 so as to more stably block the water flow passage 11 or penetrate the air flow passage 12 through the through hole 21.

However, in the present embodiment, the receiving chamber 13 of the housing 10 is not provided with the stopper 14 at an end near the water flow path 11. In this embodiment, as shown in fig. 1, 4, 5 and 6, the integrated connector 1 includes an end cover 30, the end cover 30 is a cylindrical plate structure, an inserting portion is formed on an end surface of the cylindrical plate structure by extending along an axial direction, the accommodating cavity 13 of the housing 10 is an opening structure at one end near the water flow channel 11, the end cover 30 is detachably connected with the housing 10 through the end surface of the cylindrical plate structure and seals the opening structure, and in this state, the inserting portion is inserted into the accommodating cavity 13 and is attached to an inner wall of the accommodating cavity 13. Through this kind of setting for end cover 30 can dismantle on integrated joint 1, when needs with holding the separation member 20 in the chamber 13 and reset, can dismantle end cover 30 and adjust the stretch rod 23 on the separation member 20 in opening structure department, utilize stretch rod 23 to adjust the position of separation member 20 in holding the chamber 13, in addition, the end cover 30 that connects also can play spacing effect.

Further, the receiving chamber 13 of the housing 10 is formed with a coupling portion 15 extending outwardly in a radial direction at one end near the water flow passage 11, and the end cap 30 is coupled to the coupling portion 15 and fastened thereto by a fastener. Specifically, as shown in fig. 4, 5 and 6, after the accommodating cavity 13 of the housing 10 is in cross communication with the water flow channel 11, the water flow channel 11 continues to extend outwards in the radial direction at the extending end to form a circular connecting portion 15, the end cover 30 is attached to the connecting portion 15 at the edge position thereof, and is matched with the end cover 30 through the connecting portion 15 on the housing 10 and is connected and fixed through a fastener, so that the disassembly operation is convenient and the connection is tight. Specifically, in this embodiment, the fastening member is a fixing screw 40, and threaded holes are formed in the corresponding positions on the end cover 30 and the connecting portion 15, and the fixing screw 40 is respectively inserted into the threaded holes formed in the end cover 30 and the connecting portion 15, so that the end cover 30 and the fastening member are mutually matched, and the structure is simple and the operation is convenient. Of course, in other embodiments, the fastener may be any element known in the art that can achieve fastening.

Further, the integrated joint 1 needs to meet the sealing requirement. Wherein, when the blocking member 20 is disposed in the accommodating chamber 13, the blocking member 20 may move back and forth in the accommodating chamber 13 due to the cooperation of the external shape of the blocking member 20 and the internal shape of the accommodating chamber 13, but further sealing performance is required to be satisfied in the process of moving back and forth, thereby more effectively isolating the water flow channel 11 from the air flow channel 12 in the accommodating chamber 13 by the blocking member 20, and simultaneously ensuring the sealing property between the water flow channel 11 and the air flow channel 12, and avoiding the water flow and the air from being mixed with each other. Specifically, the blocking member 20 is recessed inwards on the outer wall surface near one end of the water flow channel 11 to form an annular sealing groove 22, and a sealing ring 50 matched with the accommodating cavity 13 is accommodated in the annular sealing groove 22, so that when the blocking member 20 moves in the accommodating cavity 13, the sealing ring 50 can be tightly contacted with the interior of the accommodating cavity 13 to realize sealing effect.

In addition, the connection between the end cap 30 and the housing 10 needs to satisfy sealing performance, in this embodiment, when the end cap 30 is connected to the housing 10, the plug portion of the end cap 30 extends into the interior of the accommodating cavity 13 and cooperates with the inner wall of the accommodating cavity 13, so that a sealing member 60 is disposed between the plug portion and the inner wall of the accommodating cavity 13, so as to achieve sealing between the end cap 30 and the housing 10. Of course, in other embodiments, the seal 60 may be disposed entirely elsewhere, with the seal 60 disposed between the end cap 30 and the connection portion 15 of the housing 10, and the seal between the end cap 30 and the housing 10 being achieved by squeezing the seal 60 after the end cap 30 is connected to the connection portion 15.

As described above, this embodiment also provides a water heater, which includes the integrated connector 1 described above, where the integrated connector 1 is connected to the water inlet of the water inlet pipe of the water heater, so as to effectively solve the defect that the water heater cannot be used or even gas supply is affected when the air inlet interface and the water inlet interface of the water heater are connected in error in the prior art.

While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the utility model, but such changes and modifications fall within the scope of the utility model.

Claims (10)

1. An integrated joint, characterized in that the integrated joint comprises:

the shell comprises a water flow channel and an air flow channel, and a containing cavity is arranged between the water flow channel and the air flow channel;

the blocking piece is arranged in the accommodating cavity and blocks the communication between the water flow channel and the air flow channel, and one end, close to the air flow channel, of the blocking piece is provided with a through hole;

the blocking piece is pressed to move in the direction of the water flow channel to block the water flow channel, or the blocking piece is pressed to move in the direction of the air flow channel to penetrate the air flow channel through the through hole.

2. The integrated joint of claim 1, wherein the water flow channel and the air flow channel are spaced apart, and the receiving chamber is in cross communication with the water flow channel and the air flow channel along both axial ends thereof, respectively.

3. The integrated joint according to claim 2, wherein the housing is provided with a limiting portion at each of both ends of the housing in the axial direction, and the blocking member abuts against the limiting portion at a corresponding position after being moved under pressure in the housing, so as to block the water flow passage or pass through the air flow passage through the through hole.

4. The integrated joint of claim 1, wherein an axial direction of the through-hole coincides with an axial direction of the gas flow channel; and/or the radial dimension of the through hole is equal to the radial dimension of the airflow channel.

5. The integrated fitting of claim 1, wherein an outer wall of the barrier adjacent one end of the water flow passage is recessed inwardly to form an annular seal groove in which a seal ring is received that mates with the receiving chamber.

6. The integrated connector of claim 1, further comprising an end cap, wherein the housing has an open structure at one end of the receiving cavity, and wherein the end cap is removably coupled to the housing and seals the open structure.

7. The integrated connector of claim 6, wherein said housing is formed with a connecting portion extending outwardly in a radial direction at one end of said opening structure, said end cap being interfitted with said connecting portion and secured by a fastener connection.

8. The integrated joint of claim 7, wherein the fastener is a set screw, threaded holes are correspondingly formed in the end cover and the connecting portion, and the set screw is respectively inserted into the threaded holes correspondingly formed in the end cover and the connecting portion.

9. The integrated connector of claim 6, further comprising a seal disposed between the end cap and the housing and sealing the open structure.

10. A water heater comprising an integrated fitting as claimed in any one of claims 1 to 9.