Water outlet valve and plate heat exchange waterway system with same

Abstract

The utility model belongs to the technical field of valves, and discloses a water outlet valve and a plate heat exchange waterway system with the water outlet valve, the water outlet valve comprises a valve body, a main valve cavity and a water inlet directly communicated with the main valve cavity are arranged on the valve body in a penetrating mode, one end of the main valve cavity is configured to be a heating water outlet, and the valve body is further provided with a bypass valve installation port and a pressure relief port. The pressure relief opening is directly communicated with the main valve cavity, the bypass valve installation opening is directly communicated with the main valve cavity, and the bypass valve installation opening is further directly communicated with the heating water outlet through a first flow channel. Due to the irregular channels in the valve body, the structure of the valve body is more compact, the space utilization rate of the valve body is improved, and machining materials are saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of valves, and more specifically, relates to a water outlet valve and a plate water channel replacement system equipped with the same. Background Art

[0002] The channel layout of the existing plate-changeable plastic water outlet valve is unreasonable, resulting in a large installation space required for the side water inlet. For example, Chinese patent document CN213575721U discloses an inlet and outlet valve, the water outlet valve assembly includes: a water outlet valve body, a heating water outlet pipe connected to the water outlet valve body, and a bathroom water outlet pipe connected to the valve body, the water outlet valve body also includes a heating water supply port formed thereon, the water outlet valve assembly also includes a three-way valve, the three-way valve includes a three-way valve body and an internal valve core arranged in the three-way valve body, one end of the heating water outlet pipe is embedded and fixedly connected to the water outlet valve body, and the other end of the heating water outlet pipe is a heating water outlet, one end of the bathroom water outlet pipe is embedded and fixedly connected to the water outlet valve body, and the other end of the bathroom water outlet pipe is a bathroom water outlet, and the three-way valve body includes: a valve inlet connected to the bathroom water outlet, a first valve outlet connected to the heating water outlet, and a second valve outlet connected to the bathroom water outlet. This type of valve body has a complex shape, high injection molding cost, and requires a large installation space. Utility Model Content

[0003] In view of the defects of the prior art, the purpose of the present invention is to provide a water outlet valve and a plate water path replacement system equipped with the same, mainly to solve the problem of material waste caused by the non-compact structure of the existing water outlet valve.

[0004] In order to solve the above problems, according to one aspect of the utility model, the utility model provides a water outlet valve, including a valve body, a main valve cavity and a water inlet directly connected to the main valve cavity are arranged on the valve body, one end of the main valve cavity is configured as a heating water outlet, and the valve body is also provided with a bypass valve installation port and a pressure relief port, the pressure relief port is directly connected to the main valve cavity, the bypass valve installation port is directly connected to the main valve cavity, and the bypass valve installation port is also directly connected to the heating water outlet through a first flow channel.

[0005] Furthermore, the main valve chamber includes a first valve chamber section, a second valve chamber section and a third valve chamber section, a bypass channel is provided in the valve body, the bypass channel is used to connect the bypass valve installation port with the first valve chamber section, and the water inlet is provided on the side wall of the second valve chamber section.

[0006] Furthermore, the bypass flow channel is formed between the side wall of the place where the first flow channel is connected to the bypass valve installation port and the cavity wall of the main valve cavity.

[0007] Furthermore, the main valve cavity and the first flow channel are parallel flow channels, and the connection point between the first flow channel and the heating water outlet is located on the third valve cavity section.

[0008] Furthermore, a three-way valve core is installed in the main valve chamber. When the three-way valve core is opened, the first valve chamber section can be isolated from the second valve chamber section, and at the same time, the second valve chamber section is connected to the third valve chamber section, and the water inlet and the heating water outlet are connected; when the three-way valve core is closed, the first valve chamber section is connected to the second valve chamber section, and at the same time, the second valve chamber section is isolated from the third valve chamber section, and the water inlet and the heating water outlet are cut off.

[0009] Furthermore, the valve body is also provided with a bathroom heat exchange outlet for heat exchange, and the bathroom heat exchange outlet is communicated with the first valve cavity section.

[0010] Furthermore, a bathroom water outlet and a bathroom water inlet are also provided on the valve body, and the bathroom water outlet is directly connected to the bathroom water inlet.

[0011] Furthermore, the heating water outlet is staggered with respect to the central axis of the main valve cavity, and the central axis of the heating water outlet is closer to the water inlet.

[0012] Furthermore, the valve body is integrally formed of plastic.

[0013] According to another aspect of the present invention, a plate heat exchanger water circuit system is also disclosed, comprising an inlet valve and a water outlet valve as described in any one of the foregoing items, and a plate heat exchanger connected between the inlet valve and the outlet valve, a bypass valve core being installed in a bypass valve mounting port, and a pressure relief valve core being installed in a pressure relief port.

[0014] The utility model has at least the following advantages:

[0015] In the utility model, the main valve cavity is through-set in the valve body, and the main valve cavity is also provided with a water inlet directly connected to the main valve cavity, one end of the main valve cavity is configured as a heating water outlet, the bypass valve installation port is directly connected to the main valve cavity, and the bypass valve installation port is also directly connected to the heating water outlet through the first flow channel, which makes full use of the valve body space and achieves the effect of saving space and optimizing structural performance through irregular pipeline layout.

[0016] The first flow channel connecting the bypass valve installation port and the heating water outlet in the utility model is a medium flow channel formed between the cavity wall of the main valve cavity and the inner wall of the valve body, which makes full use of the internal space of the valve body and improves the space utilization rate of the valve body on the side where the bypass valve is located.

[0017] The heating water outlet of the utility model is staggered with the central axis of the main valve cavity, so that a section of the valve body where the water inlet is located is offset as a whole to the side of the bathroom water outlet, thereby forming a staggered space between a section of the valve body where the heating water outlet is located and a section of the valve body where the water inlet is located. The staggered space serves as an installation space for the water inlet, further making the water outlet valve structure more compact.

[0018] The valve body of the utility model is formed by injection molding of plastic material, and is convenient for injection molding in combination with the layout design of irregular channels in the valve body. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a front view structural diagram of a multifunctional pressure reducing valve provided in Example 1 of the utility model;

[0020] Figure 2 The utility model embodiment 1 provides along Figure 1 Schematic diagram of the cross-sectional structure in the AA direction;

[0021] Figure 3 This is a side view structural diagram of a multifunctional pressure reducing valve provided in Example 1 of the utility model;

[0022] Figure 4 The utility model embodiment 1 provides along Figure 3 Schematic diagram of the cross-sectional structure in the middle BB direction;

[0023] Figure 5 This is a schematic diagram of a plate water path structure provided in Example 2 of the utility model.

[0024] In the figure: 1-valve body, 2-water inlet, 3-bathroom water outlet, 4-heating water outlet, 5-pressure relief port, 6-plug, 7-L-shaped flow channel, 8-bypass valve installation port, 9-three-way valve core, 10-first flow channel, 11-main valve chamber, 12-bathroom water inlet, 13-bathroom heat exchange outlet, 14-water inlet valve, 15-pressure relief port, 16-plate heat exchanger. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0026] Embodiment 1:

[0027] The present embodiment provides a water outlet valve including a valve body 1, on which a main valve cavity 11 and a water inlet 2 directly connected to the main valve cavity 11 are provided, one end of the main valve cavity 11 is configured as a heating water outlet 4, the valve body 1 is also provided with a bypass valve installation port 8 and a pressure relief port 15, the pressure relief port 15 is directly connected to the main valve cavity 11, the bypass valve installation port 8 is directly connected to the main valve cavity 11, and the bypass valve installation port 8 is also directly connected to the heating water outlet 4 through a first flow channel 10; specifically, the main valve cavity 11 is a linear flow channel, and a through hole is provided on the side wall of the linear flow channel on the side close to the bypass valve installation port 8, and the bypass valve installation port 8 is connected to the linear flow channel through the through hole.

[0028] In this embodiment, the main valve chamber 11 includes an upper cavity (i.e., the first valve cavity section), a middle cavity (i.e., the second valve cavity section) and a lower cavity (i.e., the third valve cavity section), and the heating water outlet 4 is arranged at the downward opening of the lower cavity. A bypass channel 81 is provided in the valve body 1, and the bypass channel 81 is used to connect the bypass valve installation port 8 with the upper cavity.

[0029] In the present embodiment, the aforementioned bypass channel 81 is formed between the side wall at the place where the first channel 10 is connected to the bypass valve installation port 8 and the cavity wall of the main valve cavity 11, and a plug 6 is installed at the end of the bypass valve installation port 8 away from the main valve cavity 11; specifically, the bypass channel 81 is connected to the bypass valve installation port 8, and the bypass valve installation port 8 is connected to the first channel 10. The intersection area of ​​the bypass channel 81, the bypass valve installation port and the first channel serves as the area for installing the bypass valve core. The installation area is located on the side of the upper cavity in the valve body, which makes full use of the space in the valve body and makes the valve body structure more compact.

[0030] In this embodiment, the main valve cavity 11 and the first flow channel 10 are parallel flow channels, and the connection between the first flow channel 10 and the heating water outlet 4 is located on the inner wall of the third valve cavity section, which optimizes the flow channel structure at the heating water outlet and makes the valve body structure more compact.

[0031] In this embodiment, a three-way valve core 9 is installed in the main valve chamber 11. When the three-way valve core 9 is opened, the upper cavity and the middle cavity are isolated by the three-way valve core 9, and the middle cavity and the third valve chamber section are connected to each other, and the water inlet 2 and the heating water outlet 4 are also connected. At this time, hot water flows out from the heating water outlet 4 to realize the heating function; when the three-way valve core 9 is closed, the upper cavity and the middle cavity are connected, the middle cavity and the third valve chamber section are isolated, and the water inlet 2 and the heating water outlet 4 are also isolated by the three-way valve core. Specifically, an upper valve seat 91 and a lower valve seat 92 are installed inside the main valve cavity. The upper valve seat 91 and the lower valve seat 92 divide the main valve cavity into three cavities, and the three-way valve core 9 is installed on the upper valve seat and the lower valve seat. When the three-way valve core moves downward to open, the upper part of the three-way valve core 9 is abutted against the upper valve seat to isolate the upper cavity from the middle cavity. At the same time, the lower part of the three-way valve core 9 is separated from the lower valve seat to connect the middle cavity with the lower cavity; when the three-way valve core moves upward to close, the upper part of the three-way valve core 9 is separated from the upper valve seat to connect the upper cavity with the middle cavity. At the same time, the lower part of the three-way valve core 9 is abutted against the lower valve seat to isolate the middle cavity from the lower cavity, thereby stopping heating.

[0032] When the three-way valve core 9 is opened, the water resistance in the heating circuit increases, causing the pressure difference between the heating and bathroom heating channel connected to the bypass valve (i.e. the bypass flow channel 81 connected to the main valve chamber) and the heating channel (i.e. the first flow channel 10 connected to the heating water outlet 4) to gradually increase until the opening pressure of the bypass valve is reached, and the bypass valve automatically opens. At this time, the water in the heating channel is injected into the heating and bathroom heating channel through the bypass valve until the pressure difference of the bypass valve related pipeline is filled, and when the pressure difference is reduced to the closing pressure of the bypass valve, the bypass valve automatically closes.

[0033] In this embodiment, the heating water outlet 4 and the central axis of the main valve cavity 11 are staggered, the distance between the two central axes is staggered by a distance A, and the heating water outlet 4 is close to the water inlet 2, and the main valve cavity 11 is far away from the water inlet 2. An offset space is formed between the outer wall of the valve body where the water inlet 2 is located and the outer wall of the valve body where the heating water outlet 4 is located. The water inlet 2 is located in the offset space, and the end of the water inlet 2 is flush with the outer wall of the valve body where the heating water outlet 4 is located, so that the installation space required for the water inlet 2 is smaller.

[0034] In this embodiment, a first flow channel 10 is formed between the cavity wall of the main valve cavity 11 and the inner wall of the valve body 1, and the first flow channel 10 is connected to the upper cavity, so as to fully utilize the internal space of the valve body and optimize the flow channel layout.

[0035] In this embodiment, the first flow channel 10 is a special-shaped flow channel, which has bending sections at one end close to the bypass valve installation port 8 and one end close to the heating water outlet 4. The flow channel between the two bending sections is linear and arranged in parallel with the main valve cavity.

[0036] In this embodiment, a bathroom water outlet 3 and a bathroom water inlet 12 are also provided on the valve body 1. The bathroom water outlet 3 is directly connected to the bathroom water inlet 12, and the external tap water to be heated enters the water outlet valve from the bathroom water inlet 12; specifically, the bathroom water inlet 12 is arranged on the valve body beside the main valve cavity 11, and the main valve cavity wall separates the bathroom water inlet from the bathroom water inlet 12, the bathroom water outlet 3 is arranged on the side of the bathroom water inlet 12 away from the main valve cavity 1, and is located between the water outlet 3 and the bathroom water inlet 12 and is connected through an L-shaped flow channel 7.

[0037] In this embodiment, a bathroom heat exchange water outlet 13 is also provided on the valve body 1, and the bathroom heat exchange water outlet 13 is directly connected to the main valve chamber 11; specifically, a through hole is provided on the cavity wall of the main valve chamber 11, and the bathroom heat exchange water outlet 13 is connected to the main valve chamber 11 through the through hole, and the direction of the bathroom heat exchange water outlet 13 is the same as that of the bathroom water inlet 12, and the bathroom heat exchange water outlet 13 and the bathroom water inlet 12 are connected to the external heat exchanger at the same time.

[0038] In this embodiment, the valve body 1 is integrally formed of plastic, and injection molding can make the irregular flow channel designed above easier to be processed and formed, thereby improving processing efficiency.

[0039] Embodiment 2:

[0040] This embodiment discloses a plate heat exchanger water circuit system, including an inlet valve 14 and an outlet valve as disclosed in any of the previous embodiments, and a plate heat exchanger 16 connected between the inlet valve 14 and the outlet valve, a bypass valve core is installed in the bypass valve installation port 8, and a pressure relief valve core is installed in the pressure relief port 15. Tap water enters the plate heat exchanger 16 through the inlet valve 14, and enters from the bathroom water inlet 12 of the outlet valve after being heated by the plate heat exchanger 16, and then enters the L-shaped flow channel 7 through the bathroom water inlet 12 and flows out from the heating outlet 3. The heat exchange water flow in the plate heat exchanger 16 enters the main valve cavity 11 from the bathroom heat exchange outlet 13, opens the three-way valve core 9 in the main valve cavity 11, connects the upper cavity and the lower cavity, and makes the cold water in the water inlet 2 merge with the heat exchange water flow in the main valve cavity and flow out from the heating outlet 4 together.

[0041] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0042] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0043] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A water outlet valve, characterized in that: The invention comprises a valve body (1), wherein a main valve cavity (11) and a water inlet (2) directly connected to the main valve cavity (11) are provided through the valve body (1), one end of the main valve cavity (11) is configured as a heating water outlet (4), and the valve body (1) is also provided with a bypass valve installation port (8) and a pressure relief port (15), wherein the pressure relief port (15) is directly connected to the main valve cavity (11), the bypass valve installation port (8) is directly connected to the main valve cavity (11), and the bypass valve installation port (8) is also directly connected to the heating water outlet (4) through a first flow channel (10).

2. A water outlet valve according to claim 1, characterized in that: The main valve cavity (11) comprises a first valve cavity section, a second valve cavity section and a third valve cavity section. A bypass flow channel (81) is provided in the valve body (1). The bypass flow channel (81) is used to connect the bypass valve installation port (8) with the first valve cavity section. The water inlet (2) is provided on the side wall of the second valve cavity section.

3. A water outlet valve as claimed in claim 2, characterized in that: The bypass flow channel (81) is formed between the side wall of the place where the first flow channel (10) is connected to the bypass valve installation port (8) and the cavity wall of the main valve cavity (11).

4. A water outlet valve as claimed in claim 2, characterized in that: The main valve cavity (11) and the first flow channel (10) are parallel flow channels, and the connection point between the first flow channel (10) and the heating water outlet (4) is located on the third valve cavity section.

5. A water outlet valve as claimed in claim 2, characterized in that: A three-way valve core (9) is installed in the main valve chamber (11). When the three-way valve core (9) is opened, the first valve chamber section is isolated from the second valve chamber section, and at the same time, the second valve chamber section is connected to the third valve chamber section, and the water inlet (2) and the heating water outlet (4) are connected; when the three-way valve core (9) is closed, the first valve chamber section is connected to the second valve chamber section, and at the same time, the second valve chamber section is isolated from the third valve chamber section, and the water inlet (2) and the heating water outlet (4) are cut off.

6. A water outlet valve as claimed in claim 2, characterized in that: The valve body (1) is also provided with a bathroom heat exchange outlet (13) for heat exchange, and the bathroom heat exchange outlet (13) is communicated with the first valve cavity section.

7. A water outlet valve according to claim 1, characterized in that: The valve body (1) is also provided with a bathroom water outlet (3) and a bathroom water inlet (12), and the bathroom water outlet (3) is directly connected to the bathroom water inlet (12).

8. A water outlet valve as claimed in claim 1, characterized in that: The heating water outlet (4) and the central axis of the main valve chamber (11) are arranged in a staggered manner, and the central axis of the heating water outlet (4) is closer to the water inlet (2).

9. A water outlet valve as claimed in claim 1, characterized in that: The valve body (1) is integrally formed from plastic.

10. A plate water channel system, characterized in that: It comprises a water inlet valve (14) and a water outlet valve as claimed in any one of claims 1 to 9, and a plate heat exchanger (16) connected between the water inlet valve (14) and the water outlet valve, a bypass valve core is installed in the bypass valve installation port (8), and a pressure relief valve core is installed in the pressure relief port (15).

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