One-way joint with pressure relief function

Abstract

The utility model relates to the technical field of one-way joints, and discloses a one-way joint with a pressure relief function, which comprises a water inlet valve port, a one-way valve component and a connecting port, a triangular gasket is mounted at the bottom of the water inlet valve port, a valve body is arranged below the triangular gasket, the top of the valve body is connected with the lower portion of the water inlet valve port, and the connecting port is connected with the water inlet valve port. A connecting port is formed in the left side of the valve body, a pressure release valve is installed in the connecting port, a one-way valve assembly is installed in the valve body, a C-shaped clamping spring is installed below the one-way valve assembly, the C-shaped clamping spring is installed in the valve body, a water outlet is formed below the C-shaped clamping spring, and a filter screen gasket is arranged below the water outlet. The filter screen gasket is mounted below the valve body; according to the utility model, the water leakage phenomenon of the device is prevented, the sealing performance of the device is improved, the water quality in the water heater is better, and the inner container of the water heater is protected.

Description

Technical Field

[0001] The utility model relates to the technical field of one-way joints, in particular to a one-way joint with pressure relief. Background Art

[0002] A valve is a device used to control the flow direction, pressure and flow of liquids and gases, and a one-way joint has the function of a valve.

[0003] After searching, the Chinese patent authorization announcement number CN 215635172 U, announcement date January 25, 2022, discloses a one-way joint. The article proposes "a first connecting part, a second connecting part, a spring and a sealing part, providing a one-way anti-backflow valve with a simple structure and low manufacturing cost." The device is connected to the water inlet pipe using a threaded setting during installation. After long-term use, water leakage will occur, and water containing certain impurities directly flows into the interior of the water heater through the device. When the pressure inside the device reaches a certain value, the device cannot relieve pressure, affecting the service life of the water heater tank. In view of this, in-depth research was conducted on the above-mentioned problems, and this case was created. Utility Model Content

[0004] The purpose of the present invention is to provide a one-way joint with pressure relief to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a one-way joint with pressure relief, comprising an inlet valve port, a one-way valve assembly and a connecting port, a triangular gasket is installed at the bottom of the inlet valve port, a valve body is provided below the triangular gasket, the top of the valve body is connected to the bottom of the inlet valve port, a connecting port is provided on the left side of the valve body, a pressure relief valve is installed inside the connecting port, a one-way valve assembly is installed inside the valve body, a C-shaped retaining spring is installed below the one-way valve assembly, the C-shaped retaining spring is installed inside the valve body, a water outlet is provided below the C-shaped retaining spring, a filter gasket is provided below the water outlet, and the filter gasket is installed below the valve body.

[0006] Preferably, the water inlet valve port and the valve body are fixedly connected, and the water inlet valve port and the triangular gasket are tightly fitted.

[0007] Preferably, the valve body and the connecting port are integrated, and the connecting port and the pressure relief valve are correspondingly arranged.

[0008] Preferably, the one-way valve assembly and the valve body are arranged correspondingly.

[0009] Preferably, the C-shaped retaining spring is tightly fitted to the inner wall of the valve body.

[0010] Preferably, the filter gasket and the interior of the valve body are arranged correspondingly.

[0011] Preferably, the interior of the valve body is communicated with the interior of the pressure relief valve.

[0012] Preferably, the valve body and the water outlet are integrated.

[0013] Preferably, the middle position inside the water inlet valve port and the middle position of the water outlet are on the same horizontal line.

[0014] Preferably, the triangular gasket and the filter gasket are both made of nitrile rubber.

[0015] Compared with the prior art, the beneficial effects of this invention are:

[0016] By setting a water inlet valve port, a one-way valve assembly and a connecting port, the user connects the upper part of the water inlet valve port to the water inlet pipe, and utilizes the function of the triangular gasket to prevent water leakage when the device is in use, thereby increasing the sealing performance of the device; the lower part of the valve body is connected to the water heater, and the connecting port connected to the valve body is connected to the pressure relief valve; when in use, water is injected into the interior of the valve body through the water inlet valve port, and through the function of the one-way valve assembly, water is directly injected into the interior of the water heater from the water outlet, so that the device realizes the one-way function, and utilizes the function of the filter gasket to filter impurities in the incoming water; when using the water inside the water heater, the pressure relief valve protects the inner tank of the water heater; when the pressure reaches a certain set value, the spring inside the pressure relief valve is compressed to open the pressure relief, and the water inside the water heater can be used. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following is a brief introduction to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can also be obtained based on these drawings without creative work. In all drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0018] Figure 1 This is a schematic diagram of the overall appearance structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0020] Figure 3 This is a side view of the structure of the utility model;

[0021] Figure 4 It is a schematic diagram of the structure of the utility model from top view.

[0022] In the figure: 1. Water inlet valve port; 2. Triangular gasket; 3. Pressure relief valve; 4. One-way valve assembly; 5. C-type retaining spring; 6. Filter gasket; 7. Connection port; 8. Valve body; 9. Water outlet. DETAILED DESCRIPTION

[0023] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the 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 operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" 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.

[0025] The following will be combined with the drawings in the practical embodiment to clearly and completely describe the technical solution in the practical embodiment. Obviously, the described embodiment is only a part of the embodiment of the practical embodiment, not all of the embodiments. Based on the embodiment in the practical embodiment, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this practical embodiment.

[0026] See also Figure 1-4 The utility model provides a technical solution of a one-way joint with pressure relief: a one-way joint with pressure relief, comprising an inlet valve port 1, a one-way valve assembly 4 and a connecting port 7, a triangular gasket 2 is installed at the bottom of the inlet valve port 1, a valve body 8 is arranged below the triangular gasket 2, the top of the valve body 8 is connected with the bottom of the inlet valve port 1, a connecting port 7 is arranged on the left side of the valve body 8, a pressure relief valve 3 is installed inside the connecting port 7, a one-way valve assembly 4 is installed inside the valve body 8, a C-type retaining spring 5 is installed below the one-way valve assembly 4, the C-type retaining spring 5 is installed inside the valve body 8, a water outlet 9 is arranged below the C-type retaining spring 5, a filter gasket 6 is arranged below the water outlet 9, and the filter gasket 6 is installed below the valve body 8.

[0027] Before use, the user connects the upper part of the water inlet valve port 1 to the water inlet pipe, and uses the triangular gasket 2 to prevent water leakage during use of the device, thereby increasing the sealing performance of the device. The lower part of the valve body 8 is connected to the water heater, and the connecting port 7 connected to the valve body 8 is connected to the pressure relief valve 3. When in use, water is injected into the interior of the valve body 8 through the water inlet valve port 1. Through the action of the one-way valve assembly 4, water is directly injected into the interior of the water heater from the water outlet 9, so that the device realizes the one-way function, and uses the filter gasket 6 to filter impurities in the incoming water. When using the water inside the water heater, the pressure relief valve 3 protects the inner tank of the water heater. When the pressure reaches a certain set value, the spring inside the pressure relief valve 3 is compressed to open the pressure relief, and the water inside the water heater can be used.

[0028] The water inlet valve port 1 and the valve body 8 are fixedly connected, and the water inlet valve port 1 and the triangular gasket 2 are tightly fitted.

[0029] The valve body 8 and the connecting port 7 are integrated, and the connecting port 7 and the pressure relief valve 3 are correspondingly arranged.

[0030] The one-way valve assembly 4 and the valve body 8 are arranged correspondingly.

[0031] The C-shaped retaining spring 5 is tightly fitted to the inner wall of the valve body 8 , and the one-way valve assembly 4 is fixed by the C-shaped retaining spring 5 .

[0032] The filter gasket 6 and the interior of the valve body 8 are arranged correspondingly.

[0033] The interior of the valve body 8 is communicated with the interior of the pressure relief valve 3 .

[0034] The valve body 8 and the water outlet 9 are integrated.

[0035] The middle position inside the water inlet valve port 1 and the middle position of the water outlet port 9 are on the same horizontal line.

[0036] The materials of the triangular gasket 2 and the filter screen gasket 6 are both nitrile rubber.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A one-way joint with pressure relief, comprising a water inlet valve port (1), a one-way valve assembly (4) and a connecting port (7), characterized in that: A triangular gasket (2) is installed at the bottom of the water inlet valve port (1), a valve body (8) is provided below the triangular gasket (2), the top of the valve body (8) is connected to the bottom of the water inlet valve port (1), a connecting port (7) is provided on the left side of the valve body (8), a pressure relief valve (3) is installed inside the connecting port (7), a one-way valve assembly (4) is installed inside the valve body (8), a C-shaped retaining spring (5) is installed below the one-way valve assembly (4), the C-shaped retaining spring (5) is installed inside the valve body (8), a water outlet (9) is provided below the C-shaped retaining spring (5), a filter gasket (6) is provided below the water outlet (9), and the filter gasket (6) is installed below the valve body (8).

2. A one-way joint with pressure relief according to claim 1, characterized in that: The water inlet valve port (1) and the valve body (8) are fixedly connected, and the water inlet valve port (1) and the triangular gasket (2) are tightly fitted.

3. A one-way joint with pressure relief according to claim 2, characterized in that: The valve body (8) and the connecting port (7) are integrally arranged, and the connecting port (7) and the pressure relief valve (3) are correspondingly arranged.

4. A one-way joint with pressure relief according to claim 3, characterized in that: The one-way valve assembly (4) and the valve body (8) are arranged correspondingly.

5. A one-way joint with pressure relief according to claim 4, characterized in that: The C-shaped retaining ring (5) and the inner wall of the valve body (8) are arranged to fit tightly together.

6. A one-way joint with pressure relief according to claim 5, characterized in that: The filter gasket (6) and the interior of the valve body (8) are arranged correspondingly.

7. The one-way joint with pressure relief according to claim 6, characterized in that: The interior of the valve body (8) is communicated with the interior of the pressure relief valve (3).

8. The one-way joint with pressure relief according to claim 7, characterized in that: The valve body (8) and the water outlet (9) are integrally arranged.

9. The one-way joint with pressure relief according to claim 8, characterized in that: The middle position inside the water inlet valve port (1) and the middle position of the water outlet port (9) are on the same horizontal line.

10. The one-way joint with pressure relief according to claim 9, characterized in that: The triangular gasket (2) and the filter gasket (6) are both made of nitrile rubber.

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