CN213776507U

CN213776507U - Automatic open-close valve core and water inlet and outlet control device of water heater using same

Info

Publication number: CN213776507U
Application number: CN202022965313.4U
Authority: CN
Inventors: 杨井
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-12
Filing date: 2020-12-12
Publication date: 2021-07-23
Anticipated expiration: 2030-12-12

Abstract

The utility model discloses an automatic open-close valve core and a water inlet and outlet control device of a water heater adopting the automatic open-close valve core, which comprises a valve shell and a valve core assembly, wherein a positioning connection platform is arranged in the valve shell, and a water inlet hole and a water through hole are respectively arranged on the valve shell and the positioning connection platform; the end part of the valve shell is connected with a valve cap which connects the valve core component with the valve shell and is provided with a sealing gasket, the valve core component comprises a valve rod, a spring and a sealing end head, the valve rod is positioned and arranged in the positioning connecting table in a penetrating way, and a water gap is formed between the positioning end table and the inner wall of the valve shell; the spring is sleeved on the valve rod. The valve core is reliable in structural design and use, can be assembled in a valve or a control device related to a water heater, has the functions of supplying water in multiple ways and automatically switching on and off the water, and realizes the automatic switching on and off of the water supply for the water heater. The utility model also discloses a water heater business turn over water controlling means of adopting above-mentioned case structure, the device can carry out automatic switch water supply control for the use of water heater is not only convenient but also safe.

Description

Automatic open-close valve core and water inlet and outlet control device of water heater using same

Technical Field

The utility model belongs to the technical field of case and pipeline business turn over water control, concretely relates to automatic open and close case and adopt water heater business turn over water controlling means of this case.

Background

The water heater is a product commonly used in our life, and for the purpose of domestic water safety and future product maintenance convenience, water path control angle valves are required to be respectively installed at a cold water pipeline water outlet and a hot water pipeline water inlet reserved on a wall.

After the water heater is used, the water heater still bears the water inlet pressure after the terminal closing, and the control angle valve needs to be closed to stop the pressure; when a water heater product and a use terminal pipeline part connected with the water heater product are damaged and leak water, the control angle valve connected with the water inlet cannot automatically close water inlet, so that a serious water leakage phenomenon occurs, and the control angle valve is required to be closed for maintenance when maintenance is performed; the water inlet end of the water heater is mostly provided with a safety valve, but after the water heater is used, the water heater still bears the phenomenon that water drops at the position when the water inlet pressure is too high; the situation existing in the use process causes great inconvenience for the use of users, and potential safety hazards in use also exist.

Disclosure of Invention

The utility model aims at solving the problem that proposes among the above-mentioned background art, provide an automatic open and close case and adopt the water heater business turn over water controlling means of this case cooperation design.

In order to achieve the purpose, the utility model provides an automatic open and close technical scheme of case: the valve comprises a valve shell and a valve core assembly, wherein a positioning connecting platform connected with the valve core assembly is arranged in the valve shell, and a water inlet hole and a water through hole are respectively arranged on the valve shell and the positioning connecting platform; the end part of the valve shell is connected with a valve cap which is used for connecting the valve core assembly with the valve shell, and a sealing gasket is arranged between the end part of the valve shell and the valve cap; the valve core assembly comprises a valve rod, a spring and a sealing end socket, the valve rod is positioned and arranged in the positioning connecting platform in a penetrating mode, one end of the valve rod is provided with a positioning end platform which can be abutted against the positioning connecting platform, the other end of the valve rod is fixedly connected with the sealing end socket, and a water passing gap is formed between the positioning end platform and the inner wall of the valve shell; the spring is sleeved on the valve rod, and two ends of the spring are respectively abutted against the positioning connecting table and the sealing end head, so that the sealing end head is abutted against the sealing gasket in a sealing manner under the elastic force of the spring.

In the automatic opening and closing valve core, the sealing end is provided with a plurality of twisting grooves, the positioning connection table is provided with polygonal twisting holes, and the sealing end and the end part of the valve rod are screwed and fixed through threads.

In the above automatic opening and closing valve core, the sealing end is hemispherical, and the hemispherical surface of the sealing end can be in sealing fit with the sealing gasket.

In foretell automatic start/stop case, be provided with the positioning seal groove on the sealing washer, the tip of valve case can match to lean on to be in the positioning seal groove.

In the above automatic opening and closing valve core, the water passage gap is in the range of 0.02-0.05 mm.

The utility model provides a technical scheme of a water heater water inlet and outlet control device adopting the automatic opening and closing valve core matching design, which comprises a cold water control valve and a hot water control valve, wherein the cold water control valve comprises a cold water valve body, the cold water valve body is provided with a cold water inlet, a cold water outlet pressure balance port and a cold water outlet, the cold water outlet pressure balance port is provided with the automatic opening and closing valve core, the automatic opening and closing valve core controls the on-off of the cold water inlet, the cold water outlet pressure balance port and the cold water outlet, the hot water control valve comprises a hot water valve body, and the hot water valve body is provided with a hot water inlet, a hot water outlet and a cold water inlet pressure connector; the cold water inlet and the hot water outlet are respectively connected with the water heater through pipelines, the cold water outlet pressure balance port of the cold water valve body is connected with the cold water inlet pressure connector of the hot water valve body through a pipeline, and when a user terminal tool connected with the hot water outlet of the hot water control valve is closed, the pressures of the cold water inlet, the cold water outlet pressure balance port and the cold water outlet are equal, so that the automatic opening and closing valve core is closed and the water supply of the cold water inlet is cut off under the elastic force of the spring of the automatic opening and closing valve core.

In the water inlet and outlet control device for the water heater, the cold water inlet is correspondingly communicated with the water inlet hole in the valve shell of the automatic opening and closing valve core, two ends of the valve shell are respectively correspondingly communicated with the cold water outlet and the cold water outlet pressure balance port, water at the cold water inlet of the cold water valve body enters the automatic opening and closing valve core, cold water in the automatic opening and closing valve core simultaneously enters the cold water outlet pressure balance port through the water gap and flows to the hot water outlet, and meanwhile, the water inlet pressure acts on the positioning end table of the valve rod, so that the valve rod drives the sealing end to move, and the cold water in the automatic opening and closing valve core enters the cold water inlet to be supplied to the water heater.

In the water inlet and outlet control device for the water heater, the hot water valve body is provided with the quick-opening control valve for controlling the communication between the cold water inlet pressure connector and the hot water outlet, and when the quick-opening control valve closes the communication between the cold water inlet pressure connector and the hot water outlet, the pressure at the cold water inlet, the cold water outlet pressure balance port and the cold water outlet are equal, so that the automatic opening and closing valve core closes and cuts off the water supply of the cold water inlet under the elasticity of the spring of the automatic opening and closing valve core.

In the water inlet and outlet control device of the water heater, the cold water valve body is internally provided with the mounting and positioning table, and the cold water outlet pressure balance port is provided with the opening fixing clamping piece which is used for abutting against and fixing the automatic opening and closing valve core and the mounting and positioning table.

Adopt above technical scheme, the utility model discloses following beneficial effect has:

the utility model provides an automatic open and close case when the closed condition, wherein seal the sealed pad that supports to sealed end and fix the setting between valve case and valve cap to make sealed pad avoid opening and close the in-process and receive the impact of rivers pressure and influence sealed effect, make the service function card of this case lean on, longe-lived more.

The automatic on-off valve core structure is assembled behind a valve or a control device related to a water heater, so that the valve or the control device has the functions of supplying water in multiple paths and automatically switching on and off water, and after being installed with the water heater in a matching way, the automatic on-off water supply of the water heater can be realized, namely, when a user opens a hot water use terminal, the automatic on-off valve core structure comprises the following components: when a user closes the hot water use terminal, the valve core automatically closes the water supply of the water heater.

The utility model discloses an adopted this case cooperation to design out a water heater business turn over water controlling means, when the terminal instrument that hot water control valve connects was opened, the intaking of cold water control valve cold water inlet department entered into automatic start-stop valve core, flowed to hot water outlet department through the water clearance, and the pressure of cold water inlet department acts on the location end platform of valve rod in the automatic start-stop valve core simultaneously to the valve rod drives sealed end and moves, makes the cold water in the automatic start-stop valve core enter into the cold water inlet and supply with the water heater and use; when the terminal tool connected with the hot water control valve is closed, the pressure at the cold water inlet, the pressure at the cold water outlet pressure balance port and the cold water outlet are equal, so that the automatic opening and closing valve core is closed under the elasticity of the spring of the automatic opening and closing valve core and the water supply of the cold water inlet is cut off;

therefore, when a use terminal tool connected with the water outlet of the water heater is closed and is not used, the water inlet and outlet control device of the water heater automatically stops cold water supply through the automatic opening and closing valve core, so that the water inlet pressure after the terminal is closed cannot be borne in the water heater after the use is finished, the problem that the safety valve leaks water when the safety valve is opened or the water heater is not heated and drips water when the safety valve is not heated is avoided, the inner container of the water heater is protected, and the service life of the inner container is prolonged; especially for the water heater arranged in the cabinet or the water heater without a drainage floor drain at the installation position, the automatic stop of cold water supply plays a very important role in water leakage protection; when the water heater product and the connected use terminal pipeline part are damaged and leak water, the water leakage phenomenon can not happen seriously, and the water heater can be maintained directly; the water heater is convenient and safe to use.

When the water heater is connected with a gas water heater for use, after the terminal is closed, the water inlet and outlet control device of the water heater automatically stops cold water supply through the automatic opening and closing valve core, and the increase of the cold water supply pressure to the heating pipe in the gas water heater is cut off, so that the water tank cannot bear frost cracking and serious water leakage accidents cannot occur.

The water inlet and outlet control device of the water heater is provided with a quick-opening control valve for controlling the communication of the cold water inlet pressure connector and the hot water outlet, when the quick-opening control valve closes the communication of the cold water inlet pressure connector and the hot water outlet, the pressure of the cold water inlet, the cold water outlet pressure balance port and the cold water outlet are equal, so that the automatic opening and closing valve core closes and cuts off the water supply of the cold water inlet under the elasticity of the spring of the automatic opening and closing valve core, and the cold water supply can be directly closed manually according to the use requirement.

Drawings

FIG. 1 is a sectional view of the automatic opening and closing valve core of the present invention;

FIG. 2 is an exploded view of the automatic opening and closing valve element of the present invention;

fig. 3 is a structural diagram of the water inlet and outlet control device of the water heater of the present invention.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1 and 2, the present invention provides an automatic opening and closing valve core, including a valve housing 1 and a valve core assembly 2, a positioning connection platform 3 connected to the valve core assembly 2 is disposed in the valve housing 1, and the valve housing 1 and the positioning connection platform 3 are respectively provided with a water inlet 4 and a water through hole 5; the end part of the valve shell 1 is connected with a valve cap 6 which connects the valve core assembly 2 with the valve cap, and a sealing gasket 7 is arranged between the end part of the valve shell 1 and the valve cap 6; the valve core assembly 2 comprises a valve rod 8, a spring 9 and a sealing end head 10, the valve rod 8 is positioned and penetrated in the positioning connecting platform 3, one end of the valve rod 8 is provided with a positioning end platform 11 which can be abutted against the positioning connecting platform 3, the other end of the valve rod is fixedly connected with the sealing end head 10, and a water gap 12 is formed between the positioning end platform 11 and the inner wall of the valve shell 1; the spring 9 is sleeved on the valve rod 8, and two ends of the spring 9 are respectively abutted against the positioning connecting table 3 and the sealing end head 10, so that the sealing end head 10 is abutted against the sealing gasket 7 in a sealing manner under the elastic force of the spring 9.

The valve core structure can be assembled in a valve or a control device related to a water heater for use, and can realize a multi-path water supply function, namely, inlet water can enter the valve core through the water inlet hole 4 and can leak water through the water through hole 5 and the water through gap 12, and meanwhile, the inlet water pressure in the valve core can act on the positioning end platform 11 of the valve rod 8, so that the valve rod 8 drives the sealing end 10 to move to open the other end of the valve shell 1 for water supply; when the terminal tool connected is closed when the valve or the control device is matched for use, the water passing pressure at the two ends of the valve shell 1 is equal to the water inlet pressure inside, so that the automatic opening and closing valve core is closed under the elasticity of the spring 9 of the automatic opening and closing valve core and the water supply from the inside of the valve core to the two ends is cut off, and the automatic opening and closing water supply function can be realized when the valve or the control device is matched with a water heater for connecting and using water supply.

Specifically, a plurality of screwing grooves 13 are formed in the sealing end head 10, polygonal screwing holes 14 are formed in the positioning connection table 3, and the sealing end head 10 and the end portion of the valve rod 8 are screwed and fixed through threads, so that assembly and connection are facilitated.

Furthermore, the sealing end 10 is hemispherical, and the hemispherical surface of the sealing end 10 can be in sealing fit with the sealing gasket 7, so that the sealing function of the valve core in a closed state can be better realized.

Furthermore, a positioning seal groove 15 is arranged on the sealing gasket 7, and the end part of the valve shell 1 can be abutted in the positioning seal groove 15 in a matching manner; thereby improving the firmness of the installation and the connection of the sealing gasket and further improving the stability of the sealing effect.

Furthermore, the water gap 12 is in the range of 0.02-0.05mm, and on the premise that the automatic opening and closing valve core realizes the function of multi-path water communication, the water gap 12 cannot generate large flow of water to influence the matching use.

Referring to fig. 3 in combination with fig. 1, the present invention further provides a water inlet and outlet control device for a water heater, which is designed by using the above automatic open/close valve core, and includes a cold water control valve 16 and a hot water control valve 17, where the cold water control valve 16 includes a cold water valve body 18, the cold water valve body 18 is provided with a cold water inlet 19, a cold water outlet pressure balancing port 20, and a cold water outlet 21, the cold water outlet pressure balancing port 20 is provided with the above automatic open/close valve core, the automatic open/close valve core controls the on/off of the cold water inlet 19, the cold water outlet pressure balancing port 20, and the cold water outlet 21, the hot water control valve 17 includes a hot water valve body 22, the hot water valve body 22 is provided with a hot water inlet 23, a hot water outlet 24, and a cold water inlet pressure connector 25, and a water through hole 26 is provided in the hot water valve body 22 for communicating the hot water outlet 24 with the cold water inlet pressure connector 25; the cold water inlet 19 and the hot water outlet 24 are respectively connected with the water heater through pipelines, the cold water outlet pressure balance port 20 of the cold water valve body 18 is connected with the cold water inlet pressure connection port 25 of the hot water valve body 22 through a pipeline to form intercommunication, when a user terminal tool connected with the hot water outlet 24 of the hot water control valve 17 is closed, the pressure of the cold water inlet 19, the cold water outlet pressure balance port 20 and the cold water outlet 21 is equal, and therefore the automatic opening and closing valve core is enabled to close and cut off the water supply of the cold water inlet 19 under the elastic force of the spring 9 of the automatic opening and closing valve core.

Specifically, the cold water inlet 19 is correspondingly communicated with the water inlet hole 4 on the valve shell 1 of the automatic opening and closing valve core, two ends of the valve shell 1 are respectively and correspondingly communicated with the cold water outlet 21 and the cold water outlet pressure balance port 20, water entering from the cold water inlet 19 of the cold water valve body 18 enters the automatic opening and closing valve core, cold water in the automatic opening and closing valve core simultaneously enters the cold water outlet pressure balance port 20 through the water passage gap 12 and flows to the hot water outlet 24, and meanwhile, the water inlet pressure acts on the positioning end platform 11 of the valve rod 8, so that the valve rod 8 drives the sealing end 10 to move, and the cold water in the automatic opening and closing valve core enters the cold water inlet hole 19 to be supplied to the water heater.

Furthermore, a quick-opening control valve 27 for controlling the cold water inlet pressure connecting port 25 to be communicated with the hot water outlet 24 is arranged on the hot water valve body 22, and the quick-opening control valve 27 controls the on-off of the water through hole 26; when the quick-opening control valve 27 closes the cold water inlet pressure connecting port 25 to communicate with the hot water outlet 24, the pressures at the cold water inlet 19, the cold water outlet pressure balancing port 20 and the cold water outlet 21 are equal, so that the automatic opening and closing valve core closes and cuts off the water supply of the cold water inlet under the elasticity of the spring of the automatic opening and closing valve core.

Specifically, an installation positioning table 28 is arranged in the cold water valve body 18, and an opening fixing clamping piece 29 for forming abutting fixation between the automatic opening and closing valve core and the installation positioning table 28 is arranged at the cold water outlet pressure balance port 20; thereby positioning and installing the automatic open-close valve core in the cold water valve body 18.

Furthermore, the hot water inlet 23 and the cold water inlet pressure connection port 25 of the hot water control valve 17 are respectively provided with a hot water one-way check valve 30, so that the outlet water at the hot water outlet 24 is prevented from flowing back to the water heater and the cold outlet water pressure balance port 20.

Further, when the device is combined with practical use, in order to ensure that the water passing through the device is influenced by water inlet impurities, the hot water inlet 23, the cold water inlet pressure connecting port 25 and the cold water inlet 19 are respectively provided with a filter screen 31; in order to ensure the sealing performance of the installation and connection of the automatic valve core, sealing rings are respectively arranged between the automatic open-close valve core valve and the cold water valve body 18.

When the user opens the terminal tool to which the hot water control valve is connected for use, the quick-opening control valve 27 is in a normally open state when the apparatus is normally used; when the valve is used, hot water flows out from the hot water outlet 24, at the moment, the hot water outlet 24 is in a water outlet pressure relief state, and as the cold water inlet pressure connecting port 25 is respectively communicated with the hot water outlet 24 and the cold water outlet pressure balancing port 20, cold water in the valve core flows out from the water through gap 12 through the cold water outlet pressure balancing port 20 and the cold water inlet pressure connecting port 25 at the hot water outlet 24, the cold water outlet pressure balancing port 20 is also in a pressure relief state; the water pressure entering the valve core at the cold water inlet 19 is greater than the sum of the water pressure of the cold water outlet pressure balance port 20 and the reverse pressure of the spring 9, at the moment, the water entering at the cold water inlet 19 enters the automatic opening and closing valve core, the water inlet pressure acts on the positioning end table 11 of the valve rod 8 in the automatic opening and closing valve core, and therefore the valve rod 8 drives the sealing end 10 to move, so that the cold water in the automatic opening and closing valve core enters the cold water inlet 19 to be supplied to the water heater, and flows to the hot water outlet 24 through the hot water inlet 23 after being heated by the water heater for use; in the process of using the terminal water outlet, the design of the water passage gap 12 only allows a small amount of water to leak and realizes the function of balancing pressure to realize automatic opening and closing, so that the cold water flowing to the hot water outlet 24 through the water passage gap 12 cannot influence the use effect of the outlet water temperature.

When a user closes the terminal tool connected with the hot water control valve 17 for use, the hot water outlet 24 stops discharging water, the hot water outlet 24, the hot water inlet 23 and the cold water outlet 21 are in a communicated state, and the cold water outlet pressure balancing port 20 is in a communicated state with the hot water inlet 23 through the cold water inlet pressure connecting port 25, so that the pressures of the cold water inlet 19, the cold water outlet pressure balancing port 20 and the cold water outlet 21 are equal; therefore, the automatic opening and closing valve core moves under the elasticity of the spring 9 of the automatic opening and closing valve core, the sealing end 10 is abutted against the sealing gasket 7, and the automatic opening and closing valve core is in a closed state and cuts off the water supply of the cold water outlet 21 to the water heater.

When the water heater leaks water when the user terminal tool is opened and used, the pressure at the cold water inlet 19, the cold water outlet pressure balancing port 20 and the cold water outlet 21 is equal, the automatic opening and closing valve core can still be automatically closed under the elasticity of the spring of the automatic opening and closing valve core, and water supply to the water heater is stopped.

The automatic opening and closing valve core and the water inlet and outlet control device of the water heater adopting the valve core provided by the embodiment of the utility model are described in detail, the principle and the implementation mode of the utility model are explained by applying specific examples, and the description of the above embodiments is only used for helping to understand the technical scheme disclosed by the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. An automatic opening and closing valve core comprises a valve shell and a valve core assembly, wherein a positioning connecting platform connected with the valve core assembly is arranged in the valve shell, and a water inlet hole and a water through hole are respectively formed in the valve shell and the positioning connecting platform; the method is characterized in that: the end part of the valve shell is connected with a valve cap which is used for connecting the valve core assembly with the valve shell, and a sealing gasket is arranged between the end part of the valve shell and the valve cap; the valve core assembly comprises a valve rod, a spring and a sealing end socket, the valve rod is positioned and arranged in the positioning connecting platform in a penetrating mode, one end of the valve rod is provided with a positioning end platform which can be abutted against the positioning connecting platform, the other end of the valve rod is fixedly connected with the sealing end socket, and a water passing gap is formed between the positioning end platform and the inner wall of the valve shell; the spring is sleeved on the valve rod, and two ends of the spring are respectively abutted against the positioning connecting table and the sealing end head, so that the sealing end head is abutted against the sealing gasket in a sealing manner under the elastic force of the spring.

2. The automatic opening and closing valve core according to claim 1, characterized in that: the sealing end is provided with a plurality of screwing grooves, the positioning connection table is provided with a polygonal screwing hole, and the sealing end and the end part of the valve rod are screwed and fixed through threads.

3. The automatic opening and closing valve core according to claim 2, characterized in that: the sealing end is hemispherical, and the hemispherical surface of the sealing end can be in sealing fit with the sealing gasket.

4. The automatic opening and closing valve core according to claim 3, characterized in that: a positioning sealing groove is formed in the sealing gasket, and the end part of the valve shell can be abutted in a matching mode to be located in the positioning sealing groove.

5. The automatic opening and closing valve core according to claim 1, characterized in that: the water passing gap is in the range of 0.02-0.05 mm.

6. The utility model provides an adopt water heater business turn over water controlling means of above-mentioned automatic start/stop case which characterized in that: the cold water control valve comprises a cold water control valve body, wherein a cold water inlet, a cold water outlet pressure balance port and a cold water outlet are arranged on the cold water valve body; the cold water inlet and the hot water outlet are respectively connected with the water heater through pipelines, the cold water outlet pressure balance port of the cold water valve body is connected with the cold water inlet pressure connector of the hot water valve body through a pipeline, and when a user terminal tool connected with the hot water outlet of the hot water control valve is closed, the pressures of the cold water inlet, the cold water outlet pressure balance port and the cold water outlet are equal, so that the automatic opening and closing valve core is closed and the water supply of the cold water inlet is cut off under the elastic force of the spring of the automatic opening and closing valve core.

7. The water inlet and outlet control device of the water heater as claimed in claim 6, wherein: the cold water inlet is correspondingly communicated with a water inlet hole on the valve shell of the automatic opening and closing valve core, two ends of the valve shell are respectively and correspondingly communicated with the cold water outlet and the cold water outlet pressure balancing port, the water inlet at the cold water inlet is communicated to the automatic opening and closing valve core, flows out from the water communication gap, and simultaneously, the valve rod is moved to enable the valve core to be in an opening state.

8. The water inlet and outlet control device of the water heater as claimed in claim 6, wherein: and a quick-opening control valve for controlling the communication of the cold water inlet pressure connector and the hot water outlet is arranged on the hot water valve body.

9. The water inlet and outlet control device of the water heater as claimed in claim 7, wherein: the cold water valve body is internally provided with an installation positioning table, and an opening fixing clamping piece for abutting against and fixing the automatic opening and closing valve core and the installation positioning table is arranged at the cold water outlet pressure balance port.

10. The water inlet and outlet control device of the water heater as claimed in claim 8, wherein: the hot water inlet and the cold water inlet pressure connecting port of the hot water control valve are respectively provided with a hot water one-way check valve, so that the water at the hot water outlet is prevented from flowing back to the hot water inlet and the cold water inlet pressure connecting port.