One-way valve convenient to maintain

Abstract

The utility model discloses a one-way valve convenient to maintain, which is characterized in that the front surface of a shell is movably connected with a cover plate, the inner surface of the shell is fixedly connected with two inner communicating pipes, the side surface of the shell is fixedly connected with a water inlet pipe, the side surface of the shell is fixedly connected with a water outlet pipe, and the water inlet pipe and the water outlet pipe are respectively communicated with the two inner communicating pipes. A one-way valve body is communicated between the two inner communicating pipes, the outer walls of the two inner communicating pipes are both in threaded connection with fixing rings, the two fixing rings are both in threaded connection with the one-way valve body, and the inner walls of the fixing rings are fixedly connected with sealing strips. According to the one-way valve, a pipeline connected to the one-way valve does not need to be treated, pipeline connection problems possibly occurring in the maintenance process such as leakage or damage are reduced, and an additional protective layer of the shell can protect the one-way valve against the influence of the external environment.

Description

Technical Field

[0001] The utility model relates to the technical field of one-way valves, in particular to a one-way valve which is easy to maintain. Background Art

[0002] The existing one-way valve is a type of valve whose main function is to allow fluid or gas to flow freely in one direction while preventing flow in the opposite direction. However, when it is used, it is necessary to dismantle and touch the pipe connected to the one-way valve during maintenance and disassembly, which increases the possibility of pipe connection problems that may occur during the maintenance process, such as leakage or damage. For example, a Chinese patent discloses a "one-way valve" with application number "202322295137.1". In this device, a drain pipe is fixedly connected to the lower side of the side wall of the one-way valve body, and a liquid outlet is opened on the lower side wall of the one-way valve body. The drain pipe is fixedly connected to the bottom of the liquid outlet, and there is a sliding connection inside the liquid outlet. Stainless steel float, the interior of the stainless steel float is set to a hollow structure, a through hole is opened on the left side of the side wall of the stainless steel float, one end of the one-way valve body is set to be open, and the other end of the one-way valve body is set to be closed. A compression spring is installed on the inner side of the side wall of the one-way valve body that is set to be closed. When the accumulated water on the floating roof of the oil tank is discharged, the accumulated water enters the stainless steel float. Under the action of the gravity of the accumulated water, the one-way valve will be in a normally open state during drainage, avoiding water accumulation on the floating roof of the oil tank. However, when it is used, it is necessary to remove and touch the pipes connected to the one-way valve during maintenance and disassembly, which increases the possibility of pipe connection problems that may occur during the maintenance process, such as leakage or damage. Utility Model Content

[0003] The purpose of the present utility model is to solve at least one of the technical problems existing in the prior art and to provide a one-way valve that is easy to maintain. The one-way valve body is arranged inside the shell, and then the external pipeline is connected to the water inlet pipe and the water outlet pipe on the shell and is connected to the one-way valve. When maintenance and replacement are needed, it is only necessary to directly remove the one-way valve from the shell without removing or touching the pipeline connected to the shell, and there is no need to deal with the pipeline connected thereto, which saves time and labor costs for disassembling and reinstalling the pipeline, reduces pipeline connection problems that may occur during the maintenance process, such as leakage or damage, thereby reducing the potential cost of maintenance, and the additional protective layer of the shell can protect the one-way valve from the influence of the external environment, such as corrosion, physical damage or invasion of pollutants, thereby extending the service life of the one-way valve.

[0004] The present utility model also provides the above-mentioned one-way valve which is easy to maintain, comprising: a shell, a cover plate movably connected to the front surface of the shell, two internal connecting pipes fixedly connected to the inner surface of the shell, a water inlet pipe fixedly connected to the side surface of the shell, a water outlet pipe fixedly connected to the side surface of the shell, the water inlet pipe and the water outlet pipe are respectively connected to the two internal connecting pipes, a one-way valve body is connected between the two internal connecting pipes, the outer walls of the two internal connecting pipes are threadedly connected to fixing rings, the two fixing rings are threadedly connected to the one-way valve body, and the inner walls of the fixing rings are fixedly connected to a sealing strip.

[0005] According to the one-way valve that is easy to maintain described in the utility model, the outer walls of the water inlet pipe and the water outlet pipe are fixedly connected with connecting flanges, and the connecting flanges are provided with connecting holes.

[0006] According to the one-way valve that is easy to maintain described in the utility model, a spring is fixedly connected to the rear surface of the shell, and a damper is fixedly connected to the rear surface of the shell, and the damper is located inside the spring.

[0007] According to the one-way valve that is easy to maintain described in the utility model, the other end of the spring and the damper is fixedly connected to a mounting plate, and the mounting plate is provided with a mounting hole.

[0008] According to the one-way valve that is easy to maintain described in the utility model, a protective sleeve is fixedly connected to the rear surface of the shell, and the spring and the damper are both located inside the protective sleeve.

[0009] According to the one-way valve that is easy to maintain described in the utility model, the rear surface of the cover plate is fixedly connected to a handle, and the outer surface of the handle is fixedly connected to an anti-slip sleeve.

[0010] According to the one-way valve that is easy to maintain described in the utility model, the side surface of the cover plate is rotatably connected with a buckle, and a clamping groove is provided on the shell, and the buckle is gap-matched with the clamping groove.

[0011] Beneficial effects

[0012] 1. Compared with the prior art, this easy-to-maintain one-way valve has the one-way valve body arranged inside the housing, and then the external pipes are connected to the water inlet pipe and the water outlet pipe on the housing and connected to the one-way valve. When maintenance and replacement are needed, the one-way valve only needs to be directly removed from the housing without disassembling or touching the pipes connected to the housing, and there is no need to handle the pipes connected thereto, which saves the time and labor cost of disassembling and reinstalling the pipes, reduces the pipe connection problems that may occur during the maintenance process, such as leakage or damage, thereby reducing the potential cost of maintenance, and the additional protective layer of the housing can protect the one-way valve from the influence of the external environment, such as corrosion, physical damage or the intrusion of pollutants, thereby extending the service life of the one-way valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0014] Figure 1 This is a main structural diagram of a one-way valve that is easy to maintain in the utility model;

[0015] Figure 2 This is a cross-sectional structural diagram of a one-way valve that is easy to maintain in the utility model;

[0016] Figure 3 This is a right side structural diagram of a one-way valve that is easy to maintain in the utility model;

[0017] Figure 4 This is a rear structural diagram of a one-way valve that is easy to maintain according to the utility model.

[0018] Legend:

[0019] 1. Shell; 2. Connecting flange; 3. Water inlet pipe; 4. Connecting hole; 5. Water outlet pipe; 6. Slot; 7. Buckle; 8. Cover; 9. Handle; 10. Anti-slip sleeve; 11. Sealing strip; 12. One-way valve body; 13. Internal connecting pipe; 14. Retaining ring; 15. Mounting plate; 16. Mounting hole; 17. Damper; 18. Spring; 19. Casing. DETAILED DESCRIPTION

[0020] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0021] Reference Figure 1-4The embodiment of the present utility model is a one-way valve that is easy to maintain, which includes: a housing 1, which is used to connect the one-way valve body 12 and protect the one-way valve body 12. The rear surface of the housing 1 is fixedly connected to a spring 18. The rear surface of the housing 1 is fixedly connected to a damper 17. The damper 17 is located inside the spring 18 and is used to prevent external vibration from being transmitted to the housing 1 and causing the internal one-way valve body 12 to vibrate. The other end of the spring 18 and the damper 17 is fixedly connected to a mounting plate 15, and a mounting hole 16 is provided on the mounting plate 15. Used to install and fix the one-way valve body 12, the rear surface of the shell 1 is fixedly connected to the protective tube 19, the spring 18 and the damper 17 are both located inside the protective tube 19, used to protect the spring 18 and the damper 19, the front surface of the shell 1 is movably connected to the cover plate 8, used to seal the shell 1, the rear surface of the cover plate 8 is fixedly connected to the handle 9, the outer surface of the handle 9 is fixedly connected to the anti-slip sleeve 10, the side surface of the cover plate 8 is rotatably connected to the buckle 7, a card slot 6 is provided on the shell 1, the buckle 7 is clearance-matched with the card slot 6, used to fix the cover plate 8.

[0022] Two internal connecting pipes 13 are fixedly connected to the inner surface of the shell 1 for connecting to the one-way valve body 12. The side surface of the shell 1 is fixedly connected to an inlet pipe 3 for connecting to an external water inlet pipe. The side surface of the shell 1 is fixedly connected to an outlet pipe 5 for connecting to an external water outlet pipe. The outer walls of the inlet pipe 3 and the outlet pipe 5 are fixedly connected to a connecting flange 2. A connecting hole 4 is provided on the connecting flange 2 for fixing an external water pipe. The inlet pipe 3 and the outlet pipe 5 are respectively connected to the two internal connecting pipes 13. The two internal connecting pipes 13 are connected with a one-way valve body 12, which is a one-way valve. The one-way valve is an existing mature technology and will not be described in detail in this article. The outer walls of the two internal connecting pipes 13 are threadedly connected with a fixing ring 14 for fixing the one-way valve body 12. The two fixing rings 14 are threadedly connected to the one-way valve body 12, and the inner wall of the fixing ring 14 is fixedly connected with a sealing strip 11.

[0023] Working principle: When in use, remove the cover 8 through the handle, then connect the one-way valve body 12 to the internal connecting pipe 13, rotate the fixing ring 14 so that the fixing ring 14 is located between the internal connecting pipe 13 and the one-way valve body 12, so that the one-way valve body 12 is fixed, then connect the water inlet pipe at the water inlet pipe 3, connect the water outlet pipe at the water outlet pipe 5, and fix the pipe through the connecting flange 2, and the one-way valve body 12 can be put into use. When maintenance and replacement are needed, just remove the one-way valve body 12 directly from the shell 1, without disassembling and touching the pipe connected to the shell 1, saving time and labor costs for disassembling and reinstalling the pipe.

[0024] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A one-way valve that is easy to maintain, characterized in that: include: A shell (1), the front surface of the shell (1) is movably connected to a cover plate (8), the inner surface of the shell (1) is fixedly connected to two internal connecting pipes (13), the side surface of the shell (1) is fixedly connected to a water inlet pipe (3), the side surface of the shell (1) is fixedly connected to a water outlet pipe (5), the water inlet pipe (3) and the water outlet pipe (5) are respectively connected to the two internal connecting pipes (13), a one-way valve body (12) is connected between the two internal connecting pipes (13), the outer walls of the two internal connecting pipes (13) are both threadedly connected to a fixing ring (14), the two fixing rings (14) are both threadedly connected to the one-way valve body (12), and the inner wall of the fixing ring (14) is fixedly connected to a sealing strip (11).

2. A one-way valve that is easy to maintain according to claim 1, characterized in that: The outer walls of the water inlet pipe (3) and the water outlet pipe (5) are both fixedly connected with a connecting flange (2), and the connecting flange (2) is provided with a connecting hole (4).

3. A one-way valve that is easy to maintain according to claim 1, characterized in that: A spring (18) is fixedly connected to the rear surface of the housing (1), and a damper (17) is fixedly connected to the rear surface of the housing (1), wherein the damper (17) is located inside the spring (18).

4. A one-way valve that is easy to maintain according to claim 3, characterized in that: The other ends of the spring (18) and the damper (17) are fixedly connected to a mounting plate (15), and a mounting hole (16) is provided on the mounting plate (15).

5. A one-way valve that is easy to maintain according to claim 3, characterized in that: A protective tube (19) is fixedly connected to the rear surface of the housing (1), and the spring (18) and the damper (17) are both located inside the protective tube (19).

6. The one-way valve that is easy to maintain according to claim 1, characterized in that: A handle (9) is fixedly connected to the rear surface of the cover plate (8), and an anti-slip sleeve (10) is fixedly connected to the outer surface of the handle (9).

7. The one-way valve that is easy to maintain according to claim 1, characterized in that: A buckle (7) is rotatably connected to the side surface of the cover plate (8), a clamping slot (6) is provided on the housing (1), and the buckle (7) is clearance-matched with the clamping slot (6).

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