CN211739511U

CN211739511U - Go out water valve group and hanging stove

Info

Publication number: CN211739511U
Application number: CN201922119893.2U
Authority: CN
Inventors: 卢宇凡; 郭林林
Original assignee: Guangdong Wanhe Thermal Energy Technology Co Ltd
Current assignee: Guangdong Wanhe Thermal Energy Technology Co Ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-10-23
Anticipated expiration: 2029-11-29

Abstract

The utility model relates to a go out valves and hanging stove. The water outlet valve group comprises a valve body, a first water outlet and a first water inlet are arranged on the valve body, a backflow prevention mechanism is arranged in a channel between the first water inlet and the first water outlet, and the backflow prevention mechanism comprises a plug, an elastic piece and a supporting seat; a valve port is also arranged in the channel and is positioned between the first water outlet and the first water inlet; the supporting seat is provided with a slideway, one end of the plug is in sealing contact with the valve port, the other end of the plug is connected in the slideway of the supporting seat in a sliding manner, the supporting seat is fixed in the channel, the elastic element is sleeved on the plug, one end of the elastic element abuts against the supporting seat, and the other end of the elastic element is fixedly connected with the plug; the plug is positioned at one end of the channel where the first water outlet is positioned. The utility model discloses a set up in the play valves and prevent the backflow mechanism, effectively avoided the problem that water pipe and hot water pipe are anti-reverse, guaranteed the normal use of hanging stove, avoided the hanging stove to open repeatedly and stop the problem, improved user's use and experienced.

Description

Go out water valve group and hanging stove

Technical Field

The utility model relates to a hanging stove technical field, more specifically relates to a go out valves and hanging stove.

Background

In practical application, the dual-purpose wall-mounted furnace has two functions of heating and bathroom, and comprises parts such as a water outlet valve group and a water inlet valve group, wherein the water outlet valve group is provided with a heating hot water inlet and a first water outlet, the water inlet valve group is provided with a heating water return port and a bathroom cold water inlet, and each interface corresponds to an external pipeline. Under the normal condition, when the user used bathroom hot water, will open tap, water flow sensor is flowed through from bathroom cold water entrance point of hanging stove valve group that intakes this moment, and the impeller among the water flow sensor is because the power of water and the rotation, and the main control unit is given to frequency signal that the rotation produced, thereby main control unit receives frequency signal and starts the hanging stove. However, the frequency signal has a limited range, and cannot be too small or too large, and the too small frequency signal can cause dry burning of the wall-mounted boiler; too high can result in inadequate bathroom hot water temperature. Due to the popularization of the policy of heating by using clean energy, the wall-mounted boiler is more and more popular in the north, the installation amount is larger and larger, the requirements of qualified installation personnel cannot be met, and inexperienced personnel are sometimes used for installing the wall-mounted boiler in order to complete the task as soon as possible. Some installers can connect bathroom cold water inlet pipe and bathroom hot water outlet pipe inversely, that is to say tap water pipeline receives bathroom hot water delivery port, under this condition, when the user used bathroom hot water, open the tap, the running water flowed through the water flow sensor of intake valves through bathroom hot water delivery port, and water flow sensor's impeller is the antiport this moment, need its frequency signal just can reach the minimum requirement of starting of hanging stove bathroom under certain flow condition moreover. Because the running water pressure is unstable, the flow can be small and large, and correspondingly generated frequency signals are also sometimes absent, so that frequent starting and stopping of the bathroom functions of the wall-mounted boiler can be caused, and discomfort and instability are brought to users when using bathroom hot water.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome among the above-mentioned prior art water pipe and hot-water line connect anti-defect that leads to hanging stove to open repeatedly to open and stop easily, provide a play water valves and hanging stove, can prevent effectively that water pipe and hot-water line from connecting conversely to play the effect of protection hanging stove.

In order to solve the technical problem, the utility model discloses a technical scheme is: a water outlet valve group comprises a valve body, wherein a first water outlet and a first water inlet are formed in the valve body, a backflow prevention mechanism is arranged in a channel between the first water inlet and the first water outlet, and the backflow prevention mechanism comprises a plug, an elastic piece and a supporting seat; a valve port is also arranged in the channel and is positioned between the first water outlet and the first water inlet; the supporting seat is provided with a slideway, one end of the plug is in sealing contact with the valve port, the other end of the plug is connected in the slideway of the supporting seat in a sliding manner, the supporting seat is fixed in the channel, the elastic part is propped against the supporting seat, and the other end of the elastic part is fixedly sleeved on the plug; the plug is positioned at one end of the channel where the first water outlet is positioned. The supporting seat is arranged in the channel, the supporting seat is provided with a slide way, one end of the plug extends into the slide way and is in sliding connection with the supporting seat, the other end of the plug is in sealing contact with the valve port, and the first water outlet is arranged on the channel on one side where the plug is located, namely, water flow enters the channel of the valve body from the first water inlet and flows out from the first water outlet after flowing through the valve port. The elastic component cover is established on the plug, the one end and the supporting seat of elastic component offset, the other end and plug fixed connection, the elastic thrust of elastic component promotes the plug all the time and removes to the one end of valve port, guarantee that the valve port is blocked up by the plug under the circumstances that does not receive external force, only when receiving under the circumstances of external force, receive the thrust effect of water promptly, and receive under the circumstances with the opposite effort of thrust of elastic component, just can promote the plug and remove to the one end of supporting seat, open the valve port, consequently only rivers flow in from first water inlet, under the circumstances of following first delivery port outflow, the valve body just can normally circulate, the one-way circulation performance of passageway in the valve body has been realized, the condition of installation error has been avoided.

Under the condition of normal installation, water enters a channel in the valve body from the first water inlet, the plug slides towards the supporting seat after being subjected to the thrust of the water, the elastic part is compressed, at the moment, the plug slides towards the supporting seat, the plug is separated from the valve port, the valve port is opened, and the water can normally flow out from the first water outlet; when the installation is wrong, the first water outlet is connected with the water inlet pipe, water enters the channel of the valve body from the first water outlet, and because the plug is always kept in sealing contact with the valve port under the thrust of the elastic piece under the condition of not being subjected to external force, when the water flows into the valve body from the first water outlet, the thrust of the water is the same as the thrust of the elastic piece, and the plug is also pushed to move towards the valve port, so that the plug cannot move towards the supporting seat, the valve port is still blocked, and the water cannot normally flow out from the first water inlet; therefore, the device can not be normally used under the condition of installation errors, so that a user can be reminded of the installation errors to check, and the final installation is ensured to be correct.

Furthermore, a sealing ring is sleeved at one end of the plug, which is in contact with the valve port, and the plug is in sealing contact with the valve port through the sealing ring. The sealing ring is sleeved on the plug, and the sealing performance of the plug contacting with the valve port can be improved through the sealing ring.

Furthermore, the first water outlet is perpendicular to the plug. The normal water outlet of the valve group is prevented from being influenced by the blocking of the water outlet by the plug.

Preferably, the cross section of the valve port is of a circular structure, one end of the plug, which is in contact with the valve port, is of a hemispherical structure, and the diameter value of the hemispherical structure is larger than that of the valve port. The plug is designed to be hemispherical and corresponds to the circular shape of the valve port, so that the sealing performance of the connection between the plug and the valve port can be further improved.

Preferably, the elastic member is a spring. The spring is sleeved on the plug, so that the installation is convenient and quick.

Preferably, the supporting seat is in threaded connection with the valve body. The supporting seat is fixedly connected with the valve body through threads, so that the installation and the maintenance are convenient.

The utility model also provides a wall-mounted furnace, which comprises a furnace body, wherein a water inlet valve set, a heat exchanger and a water flow sensor are arranged in the furnace body, and the water flow sensor is arranged at the cold water inlet end of the water inlet valve set; in addition, the heat exchanger also comprises the water outlet valve group, wherein a first water inlet of the water outlet valve group is connected with a water outlet of the heat exchanger, and a first water outlet is used for being connected with a hot water pipe; and a cold water outlet of the water inlet valve group is connected with a water inlet of the heat exchanger, and a cold water inlet of the water inlet valve group is used for being connected with a tap water pipe. Tap water enters the valve body from a cold water inlet of the water inlet valve group and flows into the heat exchanger through a cold water outlet, the tap water is converted into hot water through heat exchange of the heat exchanger, and the hot water flows into the water outlet valve group from the first water inlet and flows out from the first water outlet; when the cold water inlet pipe of the bathroom of the wall-mounted boiler and the hot water outlet pipe of the bathroom are connected reversely, the tap water pipe is connected with the first water outlet, the hot water pipe is connected with the cold water inlet of the water inlet valve bank, after the hot water faucet is opened, the plug still keeps sealing contact with a valve port under the thrust action of the elastic piece and tap water, a channel is plugged, water cannot flow through the water flow sensor of the water inlet valve bank, so that a frequency signal cannot be generated, the wall-mounted boiler cannot be started, and finally no hot water flows out, so that a user or after-sale inspection can be carried out, and finally tap water is correctly accessed to the cold water inlet end of the water inlet valve bank of the wall-mounted boiler, and the normal operation of the. The utility model provides a hanging stove through the improvement to the valves that goes out water, can prevent effectively that water flow sensor in the reverse valves that advances of flowing through of running water from avoiding water flow sensor to produce frequency signal, causes hanging stove bathroom function frequently to open and stop, influences the user and uses, increases and maintains the degree of difficulty.

Furthermore, a heating hot water outlet is also arranged on the water outlet valve group, and a heating return water inlet is also arranged on the water inlet valve group.

Compared with the prior art, the beneficial effects are: the utility model provides a go out water valves and hanging stove through set up the anti-backflow mechanism in the play water valves, has effectively avoided the anti-problem of running water pipe and hot water pipe connector, has guaranteed the normal use of hanging stove, has avoided the hanging stove to open the problem that stops repeatedly, has improved user's use and has experienced.

Drawings

Fig. 1 is a schematic structural view of the water outlet valve set of the present invention.

Fig. 2 is the connection schematic diagram of the water outlet valve set, the heat exchanger and the water inlet valve set of the utility model.

Fig. 3 is a schematic view of the wall-hanging stove of the present invention.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the invention; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the invention.

Example 1:

as shown in fig. 1, a water outlet valve group 1 comprises a valve body, wherein a first water outlet 11 and a first water inlet 12 are arranged on the valve body, a backflow prevention mechanism is arranged in a channel between the first water inlet 12 and the first water outlet 11, and the backflow prevention mechanism comprises a plug 13, an elastic piece 14 and a supporting seat 15; a valve port 17 is also arranged in the channel, and the valve port 17 is positioned between the first water outlet 11 and the first water inlet 12; one end of the choke plug 13 is in sealing contact with the valve port 17, the other end of the choke plug is connected in a sliding way 16 of the supporting seat 15 in a sliding way, the supporting seat 15 is fixed in the channel, the elastic element 14 is sleeved on the choke plug 13, one end of the elastic element abuts against the supporting seat 15, and the other end of the elastic element is fixedly connected with the choke plug 13; the plug 13 is located at the end of the channel where the first outlet 11 is located. The supporting seat 15 is located in the channel, the supporting seat 15 is provided with a slide way 16, one end of the plug 13 extends into the slide way 16 and is connected with the supporting seat 15 in a sliding manner, the other end of the plug 13 is in sealing contact with the valve port 17, and the first water outlet 11 is located on the channel on the side where the plug 13 is located, namely, water flow enters the channel of the valve body from the first water inlet 12 and flows out from the first water outlet 11 after flowing through the valve port 17.

Under the condition of normal installation, water enters a channel in the valve body from the first water inlet 12, the plug 13 slides towards the support seat 15 after being subjected to the thrust of the water, the elastic element 14 is compressed, at the moment, the plug 13 is separated from the valve port 17 because the plug 13 slides towards the support seat 15, the valve port 17 is opened, and the water can normally flow out from the first water outlet 11; when the installation is wrong, the first water outlet 11 is connected with the water inlet pipe, water enters a channel of the valve body from the first water outlet 11, and because the plug 13 is under the condition of not being subjected to external force, the water is always kept in sealing contact with the valve port 17 under the thrust of the elastic piece 14, when the water flows into the valve body from the first water outlet 11, the thrust of the water is the same as the thrust of the elastic piece 14, and the plug 13 is also pushed to move towards the valve port 17, so that the plug 13 cannot move towards the supporting seat 15, the valve port 17 is still blocked, and the water cannot normally flow out from the first water inlet 12; therefore, the device can not be normally used under the condition of installation errors, so that a user can be reminded of the installation errors to check, and the final installation is ensured to be correct.

In this embodiment, the first water outlet 11 is perpendicular to the plug 13. And the influence of the normal water outlet of the valve bank caused by the blocking of the water outlet by the plug 13 is avoided. One end of the plug 13 contacting with the valve port 17 is sleeved with a sealing ring 18, and the plug 13 contacts with the valve port 17 in a sealing manner through the sealing ring 18. The plug 13 is fitted with a packing 18, and the packing 18 can improve the sealing performance between the plug 13 and the valve port 17. The cross section of the valve port 17 is a circular structure, one end of the plug 13, which is in contact with the valve port 17, is a hemispherical structure, and the diameter value of the hemispherical structure is larger than that of the valve port 17. The plug 13 is designed to be hemispherical and correspond to the circular shape of the valve port 17, so that the sealing performance of the connection between the plug 13 and the valve port 17 can be further improved.

In some embodiments, the resilient member 14 is a spring. The spring is sleeved on the plug 13, so that the installation is convenient and quick. The support seat 15 is in threaded connection with the valve body. The supporting seat 15 is fixed with the valve body through threaded connection, so that the installation and the maintenance are convenient.

Example 2

As shown in fig. 2 and 3, a wall-mounted furnace comprises a furnace body 5, a water inlet valve set 2, a heat exchanger 3, a water flow sensor 4 and the water outlet valve set 1 in embodiment 1 are arranged in the furnace body 5, and a cold water outlet, a cold water inlet 21 and a heating return water inlet 22 are arranged on the water inlet valve set 2; the water outlet valve group 1 is provided with a first water inlet 12, a first water outlet 11 and a heating hot water outlet 19; the water flow sensor 4 is arranged at the cold water inlet end of the water inlet valve group 2; a first water inlet 12 of the water outlet valve group 1 is connected with a water outlet of the heat exchanger 3, and a first water outlet 11 is used for being connected with a hot water pipe; the cold water outlet of the water inlet valve group 2 is connected with the water inlet of the heat exchanger 3, and the cold water inlet 21 of the water inlet valve group 2 is used for being connected with a tap water pipe. Tap water enters the valve body from a cold water inlet 21 of the water inlet valve group 2 and flows into the heat exchanger 3 through a cold water outlet, the tap water is changed into hot water through heat exchange of the heat exchanger 3, and the hot water flows into the water outlet valve group 1 from the first water inlet 12 and flows out from the first water outlet 11; when the cold water inlet pipe of the bathroom of the wall-mounted boiler and the hot water outlet pipe of the bathroom are connected reversely, the tap water pipe is connected with the first water outlet 11, the hot water pipe is connected with the cold water inlet 21 of the water inlet valve group 2, after the hot water faucet is opened, the plug 13 still keeps sealing contact with the valve port 17 under the thrust action of the elastic piece 14 and the tap water, the channel is plugged, the water flow cannot flow through the water flow sensor 4 of the water inlet valve group 2, so that a frequency signal cannot be generated, the wall-mounted boiler cannot be started, and finally no hot water flows out, so that a user or after-sale inspection can be carried out, and finally the tap water is correctly accessed to the bathroom water inlet end of the wall-mounted boiler, and the normal operation of. The utility model provides a hanging stove through the improvement to outlet valve group 1, can prevent effectively that water flow sensor 4 among the reverse inflow valves group 2 of running water from avoiding water flow sensor 4 to produce frequency signal, causes hanging stove bathroom function to frequently open and stop, influences the user and uses, increases and maintains the degree of difficulty.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A water outlet valve group comprises a valve body, wherein a first water outlet (11) and a first water inlet (12) are formed in the valve body, and is characterized in that a backflow preventing mechanism is arranged in a channel between the first water inlet (12) and the first water outlet (11); the backflow prevention mechanism comprises a plug (13), an elastic piece (14) and a supporting seat (15); a valve port (17) is also arranged in the channel, and the valve port (17) is positioned between the first water outlet (11) and the first water inlet (12); a slide way (16) is arranged on the supporting seat (15), one end of the plug (13) is in sealing contact with the valve port (17), the other end of the plug is connected in the slide way (16) of the supporting seat (15) in a sliding manner, the supporting seat (15) is fixed in the channel, the elastic part (14) is pressed against the supporting seat (15), and the other end of the elastic part is fixedly sleeved on the plug (13); the plug (13) is positioned at one end of the channel where the first water outlet (11) is positioned.

2. The valve group according to claim 1, wherein a sealing ring (18) is sleeved on one end of the plug (13) contacting with the valve port (17), and the plug (13) is in sealing contact with the valve port (17) through the sealing ring (18).

3. Valve group according to claim 1, characterized in that said first outlet (11) is arranged perpendicular to the plug (13).

4. Valve group according to claim 2, characterized in that the cross section of the valve port (17) is circular, the end of the plug (13) contacting the valve port (17) is hemispherical, and the diameter of the hemispherical structure is greater than that of the valve port (17).

5. Valve group according to any of the previous claims from 1 to 4, characterised in that said elastic element (14) is a spring.

6. Valve group according to claim 5, characterized in that the support (15) is screwed to the valve body.

7. A wall-mounted furnace comprises a furnace body (5), wherein a water inlet valve group (2), a heat exchanger (3) and a water flow sensor (4) are arranged in the furnace body (5), and the water flow sensor (4) is arranged at a cold water inlet end of the water inlet valve group (2); the water outlet valve group (1) is characterized by further comprising the water outlet valve group (1) as claimed in any one of claims 1 to 5, wherein a first water inlet (12) of the water outlet valve group (1) is connected with a water outlet of the heat exchanger (3), and a first water outlet (11) is used for being connected with a hot water pipe; and a cold water outlet of the water inlet valve group (2) is connected with a water inlet of the heat exchanger (3), and a cold water inlet (21) of the water inlet valve group (2) is used for being connected with a tap water pipe.

8. The wall hanging stove according to claim 7, characterized in that the outlet valve set (1) is further provided with a heating hot water outlet (19), and the inlet valve set (2) is further provided with a heating return water inlet (22).