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, an installation platform used for installing a driving part is arranged on the valve seat, a first channel and a second channel are arranged in the valve seat, the first channel is a normally-open channel, the second channel is selectively opened or closed through the output end of the driving part, and a partition plate is arranged at the joint of the first channel and the second channel. The partition plate is used for separating the first channel from the second channel. According to the valve seat and the water flow regulating valve, the partition plate is arranged at the joint of the first channel and the second channel, the first channel and the second channel in the valve seat can be separated, water flow in the first channel is prevented from impacting the driving piece through the second channel, and the driving piece is prevented from losing efficacy.

Description

TECHNICAL FIELD

[0001] The utility model relates to wall -hanging stove inlet and outlet water 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, all constant flow, cannot adjust the flow size in the use process, but along with the change of weather cold and hot, water temperature also changes with it, when water temperature is higher, same gas is enough to heat water to very high. Such as 20KW thermal power's wall -hanging stove, the maximum calorific value can only let 8L / min water flow cold water from 5 ℃ heat to 40 ℃, when summer outside temperature is high, cold water temperature will reach 25 ℃, like this if still limit in 8L / min water, water temperature will rise fast, even temperature exceeds 40 ℃ and scalds to people, influence user's use experience, at this moment, it is needed to promote 8L / min to 10L / min or higher.

[0004] In order to solve the above problem, in the water inlet valve of related art, the valve seat of water flow regulating valve forms two passages, the first passage can be used as a normally open passage to realize fixed flow, and the second passage can be used as a supplementary passage, and the output end of the driving member is on the path of the second passage to control the on-off of the second passage to increase the flow at any time. However, the two passages are connected, and when the output end of the driving member closes the second passage, water only flows through the first passage. When water flows in, the water flow in the first passage flows into the second passage and impacts the driving member, causing the driving member to fail to close the second passage.

[0005] Therefore, there is an urgent need to provide a valve seat and a water flow regulating valve to solve the above problems. INVENTION CONTENTS

[0006] One purpose of the utility model is to provide a valve seat that can separate the first passage and the second passage to prevent water flow in the first passage from impacting the driving member through the second passage.

[0007] Another purpose of the utility model is to provide a water flow regulating valve that can separate the first passage and the second passage to prevent water flow in the first passage from impacting the driving member through the second passage by using the above valve seat.

[0008] To achieve this purpose, the utility model adopts the following technical solutions:

[0009] A valve seat is installed in a water flow regulating valve, the valve seat is provided with a mounting platform for mounting a driving member, the valve seat is provided with a first channel and a second channel, the first channel is a normally open channel, the second channel is selectively opened or closed by an output end of the driving member, a partition is arranged at a position where the first channel and the second channel intersect, and the partition is used to separate the first channel and the second channel.

[0010] As an optional solution, the first channel has a first outlet, the second channel has a second outlet, and the first outlet and the second outlet are oriented in different directions.

[0011] As an optional solution, the second channel has two second outlets, and the two second outlets are arranged on opposite sides of the valve seat.

[0012] As an optional solution, the two second outlets are symmetrically arranged on both sides of the first outlet.

[0013] As an optional solution, the partition is arranged on the upper side of the first channel and is inclined, and the side of the partition close to the first outlet is higher than the side away from the first outlet.

[0014] As an optional solution, a flow limiting ring is mounted at the bottom of the first channel.

[0015] As an optional solution, a limiting table is protruded on the peripheral side of the first channel, and the water outlet end of the flow limiting ring abuts against the limiting table.

[0016] A water flow regulating valve includes a valve body, a driving member, and the above-mentioned valve seat, the valve body is provided with a water inlet channel and a water outlet channel, the valve seat is installed in the valve body, the water inlet channel and the water outlet channel are in constant communication through the first channel and are selectively communicated through the second channel, the driving member is installed on the mounting platform of the valve seat, and the output end of the driving member can open or close the second channel.

[0017] As an optional solution, the driving member is an electromagnetic valve.

[0018] As an optional solution, the first channel has a first outlet, and the first channel is directly communicated with the water outlet channel through the first outlet.

[0019] The second channel has a second outlet, the valve body is provided with a valve cavity, the valve seat is installed in the valve cavity, and the second outlet is communicated with the water outlet channel through the valve cavity.

[0020] As an alternative, the valve body is provided with an inlet and outlet pipe, and a baffle is arranged in the inlet and outlet pipe to divide the inlet and outlet pipe into the water inlet channel and the water outlet channel.

[0021] The utility model discloses beneficial effect:

[0022] The utility model provides a valve seat and water flow regulating valve, first channel as the channel of opening, realize the fixed of water supply flow, second channel as the supplementary channel, through drive piece control its open or close, reach the purpose of increasing flow at any time. In the case of low water temperature, drive piece closes second channel, and cold water flows into first channel through water inlet channel, then flows to water outlet channel, and finally flows to plate heat exchanger and carries out heat exchange and forms warm water. In summer, when water temperature is relatively high, same gas is enough to heat water to very high, when second channel is opened through drive piece and increases flow, cold water enters water inlet channel, then flows out to water outlet channel through first channel and second channel simultaneously, finally flows to plate heat exchanger, avoid that the water temperature after heating is too high and scalds user. Therefore, the valve seat and water flow regulating valve can adjust the size of flow according to the cold and heat of weather to meet different temperature demands, improve user's use experience, and, through setting the baffle at the position where first channel and second channel meet, first channel and second channel can be separated, when drive piece closes second channel, the water flow in first channel can avoid impacting drive piece through second channel, prevent drive piece from failure. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the structure schematic diagram of water flow regulating valve provided by the utility model embodiment;

[0024] Figure 2 It is the sectional view of water flow regulating valve provided by the utility model embodiment;

[0025] Figure 3 It is the sectional view of valve seat and flow limiting ring cooperation provided by the utility model embodiment;

[0026] Figure 4 It is the structure schematic diagram of valve seat under the first visual angle provided by the utility model embodiment;

[0027] Figure 5 It is the sectional view of valve seat provided by the utility model embodiment;

[0028] Figure 6 It is the structure schematic diagram of valve seat under the second visual angle provided by the utility model embodiment.

[0029] In the drawing:

[0030] 1, valve body; 11, inlet and outlet pipe; 111, water inlet channel; 112, water outlet channel; 113, baffle; 12, valve cavity;

[0031] 2, valve seat; 21, first channel; 211, first outlet; 22, second channel; 221, second outlet; 23, partition; 24, limiting table;

[0032] 3, electromagnetic valve;

[0033] 4, flow limiting ring. DETAILED DESCRIPTION

[0034] The utility model will be described in further detail below in combination with the drawings and examples. It can be understood that the specific examples described herein are only used to explain the utility model, and not to limit 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.

[0035] 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.

[0036] 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.

[0037] In the description of the embodiment, the terms "up", "down", "right", etc. orientation or position relationship is based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0038] The wall-hanging stove is a common household heating equipment, which can not only provide hot water for users, but also provide heating for the family. When providing hot water for life, cold water is continuously provided to the heat exchanger through the water inlet valve of the wall-hanging stove. The cold water exchanges heat with the hot water from the wall-hanging stove in the heat exchanger to form warm water, which flows out from the water outlet valve for users to use. The water inlet valve used in the market at present is constant flow, and the flow size cannot be adjusted during use. In order to ensure the effective heat exchange efficiency, a flow limiting ring is usually added at the water inlet of the water inlet flow channel to limit the amount of cold water entering, so that the limited heat power can heat the water to a suitable temperature. However, with the change of cold and hot weather, the water temperature also changes. When the water temperature is high, the same gas is enough to heat the water to a very high temperature. For example, the maximum heat value of a 20KW wall-hanging 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℃. At this time, the flow limiting ring is still limited to 8L / min of water, and the water temperature will rise quickly, and even the temperature will exceed 40℃, which will scald people. At this time, it is necessary to increase the water flow from 8L / min to 10L / min or higher.

[0039] Therefore, the embodiment provides a valve seat 2 and a water flow regulating valve. The water flow regulating valve is integrated on the water inlet valve, and the water inlet valve is applied to a water supply module of the wall-hanging stove. The water supply module further comprises a water outlet valve and a plate heat exchanger connected between the water inlet valve and the water outlet valve. The water inlet valve is connected with a cold water source, the water outlet valve is connected with the wall-hanging stove, and the plate heat exchanger has a hot water channel and a cold water channel. When providing hot water for life, 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. The cold water in the cold water channel and the hot water in the hot water channel complete heat exchange to form warm water, which flows to the bathroom pipeline from the bathroom water outlet of the water outlet valve to supply water for the bathroom for users to use. This part is a prior art, and will not be described in detail here.

[0040] Specifically, as shown in Figure 1 and Figure 2 , the water flow regulating valve comprises a valve body 1, a valve seat 2 and a driving member. The valve body 1 is provided with a water inlet channel 111 and a water outlet channel 112. The valve seat 2 is installed in the valve body 1 by screws. The valve seat 2 is provided with a first channel 21 and a second channel 22. The first channel 21 is a normally open channel. The second channel 22 is selectively opened or closed by the output end of the driving member. The water inlet channel 111 and the water outlet channel 112 are always connected through the first channel 21 and are selectively connected through the second channel 22. The valve seat 2 is provided with a mounting platform for mounting the driving member. The driving member is mounted on the mounting platform of the valve seat 2. The output end of the driving member is arranged on the path of the second channel 22. The driving member can open or close the second channel 22 by controlling the movement of the output end.

[0041] In the embodiment, the driving member is the electromagnetic valve 3, and in other embodiments, the driving member can also be a servo motor or any other driving structure capable of driving the sealing gasket to move to open or close the second channel 22. In the embodiment, the driving member is taken as the electromagnetic valve 3 for illustration, wherein the specific structure and working principle of the electromagnetic valve 3 are prior art and will not be described herein.

[0042] The water flow regulating valve provided in the embodiment has the first channel 21 as a normally open channel to realize fixed water supplement flow, and has the second channel 22 as a supplementary channel, which is controlled to be opened or closed by the electromagnetic valve 3 to achieve the purpose of increasing flow at any time. In the case where the second channel 22 is closed by the electromagnetic valve 3, the fluid flow through the first channel 21 is constant flow; in the case where the second channel 22 is opened by the electromagnetic valve 3, part of the fluid flows out through the second channel 22 and converges with the fluid flowing through the first channel 21 in the water outlet channel 112, so as to increase the water flow in the water outlet channel 112.

[0043] In the case where the water temperature is low, the electromagnetic valve 3 closes the second channel 22, cold water flows into the first channel 21 through the water inlet channel 111, and then flows to the water outlet channel 112 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 which time the electromagnetic valve 3 is opened to increase the flow, cold water enters the water inlet channel 111, and then flows out to the water outlet channel 112 through the first channel 21 and the second channel 22, and finally flows to the plate heat exchanger, so as to avoid that the water temperature after heating 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.

[0044] As shown in FIG. 1, Figure 3 The second channel 22 is bent and has two parts, one part surrounds the outer periphery of the first channel 21 and has a crescent shape in cross section, and the other part is located on the upper side of the first channel 21 and intersects with the first channel 21. The cross section of the first channel 21 is circular, and the first channel 21 and the second channel 22 together constitute a pipeline with a circular cross section. In this way, on the basis of ensuring the water inflow of the first channel 21 and the second channel 22, the structure is more compact and small.

[0045] Further, Figure 3As shown, the valve seat 2 is provided with a partition plate 23 at the position where the first channel 21 and the second channel 22 intersect, and the partition plate 23 is used to separate the first channel 21 and the second channel 22. In the related art, the partition plate 23 is usually not provided, that is, the first channel 21 and the second channel 22 are communicated with the water outlet channel 112 after intersecting, but when the output end of the electromagnetic valve 3 closes the second channel 22, the water flow in the first channel 21 will flow upward into the second channel 22 and impact the electromagnetic valve 3, causing the electromagnetic valve 3 to fail to close the second channel 22. Therefore, in the embodiment, by providing the partition plate 23 at the position where the first channel 21 and the second channel 22 intersect, the first channel 21 and the second channel 22 can be separated, and when the electromagnetic valve 3 closes the second channel 22, the water flow in the first channel 21 can be prevented from impacting the electromagnetic valve 3 through the second channel 22, preventing the electromagnetic valve 3 from failing.

[0046] Specifically, in combination with Figures 2 to 4 , the first channel 21 has a first outlet 211, and the first channel 21 is directly communicated with the water outlet channel 112 through the first outlet 211. The first outlet 211 is arranged on the side of the valve seat 2 away from the second channel 22. The second channel 22 has a second outlet 221, and the second outlet 221 is different from the first outlet 211 in direction. A valve cavity 12 is arranged in the valve body 1, and the valve cavity 12 is communicated with the water outlet channel 112. The valve seat 2 is installed in the valve cavity 12, and the second outlet 221 is communicated with the water outlet channel 112 through the valve cavity 12. The water in the first channel 21 directly flows to the water outlet channel 112 through the first outlet 211, and the water flow in the second channel 22 first flows to the valve cavity 12 through the second outlet 221, and then flows into the water outlet channel 112 from the valve cavity 12.

[0047] Optionally, as shown in Figure 5 , the second channel 22 has two second outlets 221, and the two second outlets 221 are arranged on two opposite sides of the valve seat 2 and are symmetrically arranged on two sides of the first outlet 211. The water flow in the second channel 22 can flow to the valve cavity 12 through the second outlet 221 respectively, realizing uniform water outlet on both sides and ensuring sufficient water outlet amount, and then flowing into the water outlet channel 112 from the valve cavity 12.

[0048] In the embodiment, as shown in Figure 3 , the partition plate 23 is arranged on the upper side of the first channel 21 and is inclined, and the side of the partition plate 23 close to the first outlet 211 is higher than the side away from the first outlet 211. In this way, there is enough area on the side wall of the valve seat 2 to arrange the second outlet 221 communicated with the second channel 22.

[0049] As shown in Figure 2 and Figure 3As shown, the bottom of the first channel 21 is provided with a flow limiting ring 4. The flow limiting ring 4 is used to limit the amount of cold water in the first channel 21, so as to ensure that the water can be heated to a suitable temperature under a limited heat power. It should be noted that the flow limiting ring 4 is provided with a flow limiting hole, so as to generate water with stable flow. The specific structure and working principle of the flow limiting ring 4 are both prior art, and will not be described here.

[0050] Further, as shown in Figure 6 , the first channel 21 is provided with a limiting table 24 on the side, and the water outlet end of the flow limiting ring 4 abuts against the limiting table 24. The flow limiting ring 4 is limited by the limiting table 24, so that the flow limiting ring 4 can be firmly arranged in the first channel 21, preventing the flow from impacting the flow limiting ring 4 and moving it. Moreover, the limiting table 24 does not interfere with the first channel 21 and the second channel 22, and the bottom end of the flow limiting ring 4 is supported by the convex edge at the bottom of the valve cavity 12 to prevent it from falling off.

[0051] Optionally, in the embodiment, as shown in Figure 6 , two symmetrical limiting tables 24 are arranged in the first channel 21, and the two limiting tables 24 are located on the two sides of the water outlet, respectively. The two limiting tables 24 simultaneously limit the flow limiting ring 4, so that the flow limiting ring 4 is uniformly stressed and can be firmly fixed in the first channel 21, preventing the flow from impacting the flow limiting ring 4 and moving it. In other embodiments, the number of limiting tables 24 can also be three, four or more arranged uniformly in the circumferential direction, which can be flexibly arranged according to actual needs, and will not be specifically limited here.

[0052] In the embodiment, as shown in Figure 1 and Figure 2 , the valve body 1 is provided with an inlet and outlet pipe 11, which is a straight pipe with a circular cross section. A baffle 113 is arranged in the inlet and outlet pipe 11 to divide the inlet and outlet pipe 11 into an inlet channel 111 and an outlet channel 112. In this way, the inlet and outlet channel 111 and the outlet channel 112 can be arranged separately in one inlet and outlet pipe 11, which is compact in structure and can reduce the volume of the entire flow regulating valve.

[0053] In an optional embodiment, taking the inlet and outlet pipe 11 as a straight pipe, the cross-sectional area of the inlet channel 111 is S1, and the cross-sectional area of the outlet channel 112 is S2, wherein S1 / S2<1. That is, the water inflow of the inlet channel 111 is less than the total water outflow of the outlet channel 112, which can reduce the water resistance of the outlet channel 112. It should be noted that in another optional embodiment, when the inlet and outlet pipe 11 is a non-straight pipe, the water inflow of the inlet channel 111 should also be controlled to be less than the total water outflow of the outlet channel 112, so as to still achieve the purpose of reducing the water resistance.

[0054] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For those skilled in the art, various obvious changes, re-adjustments and replacements can be made without departing from the protection scope of the present application. Here, it is not necessary and also impossible to enumerate all the implementation modes. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application claim.

Claims

1. A valve seat mounted in a water flow regulating valve, characterized in that, The valve seat is provided with a mounting platform for mounting a driving member, and a first channel (21) and a second channel (22) are arranged in the valve seat, the first channel (21) is a normally open channel, the second channel (22) is selectively opened or closed by an output end of the driving member, and a partition plate (23) is arranged at a position where the first channel (21) and the second channel (22) intersect, and the partition plate (23) is used for separating the first channel (21) and the second channel (22).

2. The valve seat of claim 1, wherein The first channel (21) has a first outlet (211), and the second channel (22) has a second outlet (221), and the first outlet (211) and the second outlet (221) are oriented in different directions.

3. The valve seat of claim 2, wherein, The second channel (22) has two second outlets (221), and the two second outlets (221) are arranged on opposite sides of the valve seat.

4. The valve seat of claim 3, wherein, The two second outlets (221) are symmetrically arranged on both sides of the first outlet (211).

5. The valve seat of claim 4, wherein, The partition plate (23) is arranged on the upper side of the first channel (21) and is inclined, and the side of the partition plate (23) close to the first outlet (211) is higher than the side away from the first outlet (211).

6. The valve seat of claim 1, wherein A flow limiting ring (4) is arranged at the bottom of the first channel (21).

7. The valve seat of claim 6, wherein, A limiting table (24) is protruded on the peripheral side of the first channel (21), and the water outlet end of the flow limiting ring (4) abuts against the limiting table (24).

8. A water flow regulating valve characterized by, A valve body (1), a driving member and the valve seat according to any one of claims 1-7 are included, the valve body (1) is provided with a water inlet channel (111) and a water outlet channel (112), the valve seat is mounted in the valve body (1), the water inlet channel (111) and the water outlet channel (112) are always communicated through the first channel (21) and are selectively communicated through the second channel (22), and the driving member is mounted on the mounting platform of the valve seat, and the output end of the driving member can open or close the second channel (22).

9. The water flow regulating valve according to claim 8, wherein The driving member is an electromagnetic valve (3).

10. The water flow regulating valve according to claim 8, wherein The first channel (21) has a first outlet (211), and the first channel (21) is directly communicated with the water outlet channel (112) through the first outlet (211); The second channel (22) has a second outlet (221), a valve cavity (12) is arranged in the valve body (1), the valve seat is mounted in the valve cavity (12), and the second outlet (221) is communicated with the water outlet channel (112) through the valve cavity (12).

11. The water flow regulating valve according to claim 8, wherein A water inlet and outlet pipe (11) is arranged on the valve body (1), a baffle (113) is arranged in the water inlet and outlet pipe (11) to separate the water inlet and outlet pipe (11) to form the water inlet channel (111) and the water outlet channel (112).

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