Valve seat and water flow regulating valve

Abstract

The utility model belongs to the field of wall-hanging stove water inlet and outlet valves, and discloses a valve seat and a water flow regulating valve. The valve seat is installed in the water flow regulating valve, a first channel is formed in the valve seat and is a normally-open channel, a flow limiting ring is installed in the first channel, a limiting table is arranged on the peripheral side of the first channel in a protruding mode, and the water outlet end of the flow limiting ring abuts against the limiting table. According to the valve seat and the water flow regulating valve provided by the utility model, the flow limiting ring is additionally arranged in the first channel to limit the inlet amount of cold water, so that the cold water can be heated to a proper temperature under limited thermal power. And the flow limiting ring is limited through the limiting table, so that the flow limiting ring can be firmly arranged in the first channel, water flow is prevented from impacting the flow limiting ring and moving the flow limiting ring, and the working stability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to wall -hanging stove water inlet and outlet valve body field, especially valve seat and water flow regulating valve. BACKGROUND

[0002] Wall -hanging stove is a common household heating equipment, not only can provide domestic hot water for user, can also heat for family. When providing domestic hot water, through the water inlet valve of wall -hanging stove constantly provides cold water in heat exchanger, and the cold water is formed warm water after heat exchange with the hot water from wall -hanging stove in heat exchanger, and from the water outlet valve and flow out for user use.

[0003] The water inlet valve used in the market at present, in order to guarantee effective heat exchange efficiency, usually increase a flow restrictor ring in water inlet flow channel, to limit the entering amount of cold water, to heat to the suitable temperature under the limited heat power. But, when installing, flow restrictor ring is directly installed in water inlet flow channel, and the installation is not firm, under the impact of larger water flow pressure, flow restrictor ring is prone to displacement, leading to unstable work.

[0004] Therefore, it is urgent to provide a valve seat and water flow regulating valve to solve the above problems. UTILITY MODEL CONTENTS

[0005] One purpose of the utility model is to provide a valve seat, can limit the flow restrictor ring, prevent water flow impact flow restrictor ring and make it move, improve work stability.

[0006] Another purpose of the utility model is to provide a water flow regulating valve, by adopting the valve seat, prevent water flow impact flow restrictor ring and make it move, improve work stability.

[0007] To achieve this purpose, the utility model adopts the following technical scheme:

[0008] A valve seat is installed in water flow regulating valve, first channel is formed in the valve seat, the first channel is normally open channel, flow restrictor ring is installed in the first channel, and the water outlet end of the flow restrictor ring is abutted on the limiting table.

[0009] As an optional scheme, at least two limiting tables are symmetrically arranged in the first channel, and the water outlet end of the flow restrictor ring is abutted on the limiting table.

[0010] As an optional scheme, a second channel is further arranged in the valve seat, and the second channel can be selectively opened or closed by the output end of the driving member.

[0011] As an optional scheme, a water outlet is formed in the side wall of the valve seat, and the first channel and the second channel are communicated through the water outlet.

[0012] As an optional solution, two limiting tables are arranged in the first channel, and the two limiting tables are symmetrically arranged on two sides of the water outlet.

[0013] The water flow regulating valve comprises a valve body and the valve seat, the valve body is internally provided with a water inlet channel, a water outlet channel and a valve cavity, the water inlet channel and the water outlet channel are communicated through the valve cavity, the valve seat is installed in the valve cavity, and the water inlet channel and the water outlet channel are always communicated through the first channel.

[0014] As an optional solution, a driving member is further arranged, a second channel is further arranged in the valve seat, the water inlet channel and the water outlet channel are selectively communicated through the second channel, the driving member is installed on the valve seat, and an output end of the driving member can open or close the second channel.

[0015] As an optional solution, the driving member is an electromagnetic valve.

[0016] As an optional solution, the valve body is provided with a water inlet and outlet pipe, and a partition plate is arranged in the water inlet and outlet pipe to divide the water inlet and outlet pipe into the water inlet channel and the water outlet channel.

[0017] As an optional solution, the cross-sectional area of the water inlet channel is S1, the cross-sectional area of the water outlet channel is S2, and S1 / S2 < 1.

[0018] The utility model discloses the beneficial effect:

[0019] The utility model provides a valve seat, first channel is as always open channel, realizes the supply of cold water, increases a flow restrictor ring in first channel, to limit the entering amount of cold water, to be able to heat the cold water to suitable temperature under the limited thermal power. The flow restrictor ring is limited by the limiting table and can be firmly arranged in the first channel, prevents the water flow from impacting the flow restrictor ring and makes it move, and the working stability is improved.

[0020] The utility model also provides a water flow regulating valve, by setting above -mentioned valve seat, can prevent the water flow from impacting the flow restrictor ring and make it move, and the working stability is improved. DRAWINGS

[0021] Figure 1 It is the structure schematic drawing of the water flow regulating valve provided by the utility model,

[0022] Figure 2 It is the sectional view of the water flow regulating valve provided by the utility model,

[0023] Figure 3 It is the first sectional view of the valve seat provided by the utility model,

[0024] Figure 4 is a structural schematic view of the valve seat provided by the utility model;

[0025] Figure 5 is a second sectional view of the valve seat provided by the utility model.

[0026] In the drawings:

[0027] 10, valve seat; 11, first channel; 12, second channel; 13, water outlet; 14, limiting table;

[0028] 20, valve body; 21, water inlet and outlet pipe; 211, water inlet channel; 212, water outlet channel; 22, valve cavity;

[0029] 30, electromagnetic valve;

[0030] 40, flow limiting ring. DETAILED DESCRIPTION

[0031] The utility model will be further explained in detail in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model, and not limited to the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.

[0032] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0033] In the utility model, unless otherwise explicitly specified and limited, the first feature "on" or "below" the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0034] In the description of the present embodiment, the terms "upper", "lower", "right", "left", and the like, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only used to distinguish in the description, and have no special meaning.

[0035] As shown in Figure 2 and Figure 3 , the present embodiment provides a valve seat 10 and a water flow regulating valve, the valve seat 10 is installed in the water flow regulating valve, the water flow regulating valve is integrated on a water inlet valve, the water inlet valve is applied to a water supply module of a wall-hanging stove, the water supply module further comprises a water outlet valve and a plate heat exchanger communicated between the water inlet valve and the water outlet valve, the water inlet valve is communicated with a cold water source, the water outlet valve is communicated with the wall-hanging stove, and the plate heat exchanger has a hot water channel and a cold water channel. When providing domestic hot water, the hot water in the wall-hanging stove flows to the hot water channel of the plate heat exchanger through the water outlet valve, and the external cold water flows to the cold water channel of the plate heat exchanger through the water inlet valve, so that the cold water in the cold water channel and the hot water in the hot water channel complete heat exchange to form warm water, and the warm water flows to a bathroom pipeline from a bathroom water outlet of the water outlet valve to supply water for the bathroom for use by the user. This part is prior art and will not be described in detail here.

[0036] Specifically, as shown in Figure 1 and Figure 2 , the water flow regulating valve comprises a valve body 20 and the valve seat 10, the valve body 20 is provided with a water inlet channel 211, a water outlet channel 212 and a valve cavity 22, the water inlet channel 211 and the water outlet channel 212 are communicated through the valve cavity 22, the valve seat 10 is installed in the valve cavity 22, the valve seat 1 is provided with a first channel 11, the first channel 11 is a normally open channel, the water inlet channel 211 and the water outlet channel 212 are always communicated through the first channel 11, and referring to Figure 4 , a flow limiting ring 40 is installed in the first channel 11, and a limiting table 14 is protruded on the side of the first channel 11, and the water outlet end of the flow limiting ring 40 abuts against the limiting table 14.

[0037] The first channel 11 is a normally open channel, cold water can flow into the first channel 11 through the water inlet channel 211, then flow into the water outlet channel 212, and finally flow to the plate heat exchanger to complete heat exchange to form warm water. A flow limiting ring 40 is added in the first channel 11 to limit the amount of cold water entering, so that the cold water can be heated to a suitable temperature under limited heat power. The flow limiting ring 40 is limited by the limiting table 14, so that the flow limiting ring 40 can be firmly arranged in the first channel 11, preventing the flow limiting ring 40 from moving due to water flow impact, and improving the working stability. The water inlet end of the flow limiting ring 40 is supported by the protruding edge at the bottom of the valve cavity 22 to prevent it from falling off.

[0038] It should be noted that the flow limiting ring 40 is used to limit the flow at the first channel 11, and a flow limiting hole is formed in the flow limiting ring 40 to generate stable water flow. The specific structure and working principle of the flow limiting ring 40 are both prior art, and will not be described here.

[0039] In the present embodiment, as shown in Figure 4 and Figure 5 , two symmetrical limiting tables 14 are arranged in the first channel 11, and the two limiting tables 14 jointly abut the water outlet end of the flow limiting ring 40. The two limiting tables 14 simultaneously limit the flow limiting ring 40, so that the flow limiting ring 40 is uniformly stressed and can be firmly fixed in the first channel 11, preventing water flow from impacting the flow limiting ring 40 and moving it. In other embodiments, the number of limiting tables 14 can also be arranged as three, four or more uniformly along the circumference, and can be flexibly set according to actual needs, without specific limitation here.

[0040] The water inlet valve currently used in the market is of constant flow, and the flow size cannot be adjusted during use, but with the change of hot and cold weather, the water temperature also changes accordingly. When the water temperature is high, the same gas can heat the water to a very high temperature. For example, a 20KW wall-mounted stove can only heat 8L / min of cold water from 5℃ to 40℃. When the outside temperature is high in summer, the cold water temperature will reach 25℃. The flow limiting ring is still limited to 8L / min of water flow, and the water temperature will rise quickly, and even the temperature will exceed 40℃ and scald people. At this time, it is necessary to increase the 8L / min to 10L / min or higher.

[0041] To solve the above problems, in the present embodiment, as shown in Figures 2-3 , the valve seat 10 is further provided with a second channel 12, the second channel 12 is independent of the first channel 11, and the water inlet channel 211 and the water outlet channel 212 are selectively communicated through the second channel 12. The water flow regulating valve further comprises a driving member, the driving member is installed on the valve seat 10, and the output end of the driving member can open or close the second channel 12.

[0042] In the present embodiment, the driving member is an electromagnetic valve 30, and in other embodiments, the driving member can also be a servo motor or any driving structure capable of driving the sealing gasket to move to open or close the second channel 12. In the present embodiment, the driving member is taken as an example of the electromagnetic valve 30, wherein the specific structure and working principle of the electromagnetic valve 30 are prior art, and will not be described here.

[0043] The water flow regulating valve provided by the embodiment has the first channel 11 as a normally open channel to realize fixed water supplement flow, and has the second channel 12 as a supplementary channel, which is controlled to be opened or closed by the electromagnetic valve 30 to achieve the purpose of increasing flow at any time. In the case that the second channel 12 is closed by the electromagnetic valve 30, the fluid flow through the first channel 11 is constant flow; in the case that the second channel 12 is opened by the electromagnetic valve 30, part of the fluid flows out through the second channel 12 and converges with the fluid flowing through the first channel 11 in the water outlet channel 212, thereby increasing the water flow in the water outlet channel 212.

[0044] In the case that the water temperature is low, the electromagnetic valve 30 closes the second channel 12, cold water flows into the first channel 11 through the water inlet channel 211, and then flows into the water outlet channel 212, and finally flows to the plate heat exchanger for heat exchange to form warm water. In summer when the water temperature is relatively high, the same amount of gas is sufficient to heat the water to a very high temperature, at this time the second channel 12 is opened by the electromagnetic valve 30 to increase the flow, cold water enters the water inlet channel 211, and then flows out to the water outlet channel 212 through the first channel 11 and the second channel 12 at the same time, and finally flows to the plate heat exchanger, avoiding that the temperature of the heated water is too high to scald the user. As can be seen, the water flow regulating valve can adjust the size of the flow according to the cold and heat of the weather to meet different temperature requirements and improve the user experience.

[0045] As shown in Figure 3 and Figure 4 , the side wall of the valve seat 10 is provided with a water outlet 13, and two limiting tables 14 are symmetrically arranged on both sides of the water outlet 13 to make the flow limiting ring 40 be stressed evenly and be firmly fixed in the first channel 11 to prevent the water flow from impacting the flow limiting ring 40 and moving it. The second channel 12 is bent and has two parts, one part surrounds the outer periphery of the first channel 11 and has a crescent shape in cross section, and the other part is located on the upper side of the first channel 11 and communicates with the first channel 11 through the water outlet 13. When the electromagnetic valve 30 closes the second channel 12, the cold water in the first channel 11 enters the water outlet channel 212 through the water outlet 13; when the electromagnetic valve 30 opens the second channel 12, the cold water in the first channel 11 and the second channel 12 enters the water outlet channel 212 through the water outlet 13 at the same time.

[0046] In the embodiment, as shown in Figure 2 , the valve body 20 is provided with an inlet and outlet water pipe 21, the inlet and outlet water pipe 21 is a straight pipe with a circular cross section, and a partition plate 213 is arranged in the inlet and outlet water pipe 21 to separate the inlet and outlet water pipe 21 to form the above-mentioned water inlet channel 211 and water outlet channel 212. In this way, the water inlet channel 211 and water outlet channel 212 can be arranged separately in one inlet and outlet water pipe 21, and the structure is compact, which can reduce the volume of the whole water flow regulating valve.

[0047] In an optional embodiment, taking the straight pipe as an example, the sectional area of the water inlet passage 211 is S1 and the sectional area of the water outlet passage 212 is S2, wherein S1 / S2<1. That is, the water inlet flow of the water inlet passage 211 is less than the total water outlet flow of the water outlet passage 212, so that the water resistance of the water outlet passage 212 can be reduced. It should be noted that in another optional embodiment, when the inlet and outlet water pipe 21 is a non-straight pipe, the water inlet flow of the water inlet passage 211 should also be controlled to be less than the total water outlet flow of the water outlet passage 212, so that the purpose of reducing the water resistance can still be achieved.

[0048] Obviously, the above embodiments of the present application are only examples for clearly illustrating the present application, and are not intended to limit the embodiments of the present application. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the protection scope of the present application. Here, it is not necessary and impossible to enumerate all the embodiments. Any modification, equivalent substitution and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A valve seat mounted in a water flow regulating valve, characterized in that, The first channel (11) is a normally open channel, a flow limiting ring (40) is installed in the first channel (11), and a limiting table (14) is protruded on the side of the first channel (11), and the water outlet end of the flow limiting ring (40) abuts against the limiting table (14).

2. The valve seat of claim 1, wherein At least two limiting tables (14) are arranged in the first channel (11), and the water outlet end of the flow limiting ring (40) is abutted by the at least two limiting tables (14) together.

3. The valve seat of claim 1, wherein A second channel (12) is further arranged in the valve seat, and the second channel (12) is selectively opened or closed by the output end of the driving member.

4. The valve seat of claim 3, wherein, A water outlet (13) is arranged on the side wall of the valve seat, and the first channel (11) and the second channel (12) are communicated through the water outlet (13).

5. The valve seat of claim 4, wherein, Two limiting tables (14) are arranged in the first channel (11), and the two limiting tables (14) are symmetrically arranged on both sides of the water outlet (13).

6. A water flow regulating valve characterized by, The valve body (20) is provided with a water inlet channel (211), a water outlet channel (212) and a valve cavity (22), the water inlet channel (211) and the water outlet channel (212) are communicated through the valve cavity (22), the valve seat is installed in the valve cavity (22), and the water inlet channel (211) and the water outlet channel (212) are always communicated through the first channel (11).

7. The water flow regulating valve according to claim 6, wherein The driving member is further arranged in the valve seat, the water inlet channel (211) and the water outlet channel (212) are selectively communicated through the second channel (12), and the driving member is installed on the valve seat, and the output end of the driving member can open or close the second channel (12).

8. The water flow regulating valve according to claim 7, wherein The driving member is an electromagnetic valve (30).

9. The water flow regulating valve according to claim 6, wherein The valve body (20) is provided with a water inlet and outlet pipe (21), and a partition plate (213) is arranged in the water inlet and outlet pipe (21) to divide the water inlet and outlet pipe (21) into the water inlet channel (211) and the water outlet channel (212).

10. The water flow regulating valve according to claim 9, wherein The cross-sectional area of the water inlet channel (211) is S1, and the cross-sectional area of the water outlet channel (212) is S2, and S1 / S2<1.

Images