Improved pneumatic drain valve

Abstract

The improved pneumatic drain valve comprises a valve body, a valve seat and a pneumatic assembly, the valve body comprises a main body and a large floating rod, a drain hole is formed in the bottom of the valve seat, a connecting cylinder is arranged on the large floating rod in a clamped mode, a water sealing ring is arranged at the bottom of the large floating rod in a buckled connection mode, and a water baffle connected with a cross support is arranged on the water sealing ring. A water inlet hole is formed between the water baffle and the water sealing ring, and the pneumatic assembly is arranged on the connecting cylinder in a clamped mode. The utility model belongs to the technical field of drain valves, and particularly relates to a water seal ring and a water baffle which can resist water flow impulsive force, so that water cannot be splashed out from the upper end of a large floating rod, and the use experience is better.

Description

Technical Field

[0001] The utility model belongs to the technical field of drain valves, in particular to an improved pneumatic drain valve. Background Art

[0002] In current water tanks, the inlet and outlet are controlled by the inlet valve and the drain valve respectively. Generally, the opening and closing of the drain valve is achieved by operating the switch, while the opening and closing of the inlet valve is controlled by the float. When the drain valve is opened and the water level drops to a certain position, the float will automatically fall, allowing the inlet valve to open and water to enter the water tank.

[0003] The heavy-duty large float rods of the pneumatic flush tank drain valves currently on the market are all straight-through, with a water passage formed in the middle of the casing. When the casing is pulled up, the passage in the middle of the casing forms a communicating vessel with the water tank. When draining water, due to the water level difference, excessive water pressure will cause water to splash out from the top of the large float rod, resulting in a bad user experience. Utility Model Content

[0004] The technical problems to be solved by the utility model are:

[0005] The pneumatic flush tank drain valve will cause water to gush out from the upper opening of the casing during drainage, and splash around after reaching the top of the casing.

[0006] In order to solve the above technical problems, the technical solution proposed in the utility model is: an improved pneumatic drain valve, including a valve body, a valve seat and a pneumatic component, the valve seat is fixedly arranged on the valve body, the valve body includes a main body and a large float rod, the main body is fixedly connected to the valve seat, the bottom of the valve seat is a drain hole, the large float rod is movably arranged in the main body, a connecting tube is clamped on the large float rod, a water sealing ring is clamped and connected at the bottom of the large float rod, a water baffle plate connected by a cross bracket is provided on the water sealing ring, a water inlet hole is provided between the water baffle plate and the water sealing ring, and the pneumatic component is clamped on the connecting tube.

[0007] Furthermore, a pull rod is clamped on the connecting tube.

[0008] Furthermore, a water sealing rubber ring is sleeved on the bottom of the water sealing ring, a water inlet pipe O-ring is arranged on the top of the water sealing ring, and the water inlet pipe O-ring is arranged on the inner side of the large float rod.

[0009] Furthermore, a base water sealing ring is sleeved on the bottom of the valve seat.

[0010] Furthermore, the water sealing rubber ring, the water inlet pipe O-ring and the base water sealing ring are all made of rubber material.

[0011] The beneficial effects achieved by the utility model using the above structure are as follows:

[0012] By setting a water sealing ring and a water baffle, the impact of the water flow can be resisted so that water will not splash out from the upper end of the large float rod, providing a better user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of an improved pneumatic drain valve proposed by the utility model;

[0014] Figure 2 The utility model is a cross-sectional view of an improved pneumatic drain valve.

[0015] Among them, 1. pull rod, 2. connecting tube, 3. large float rod, 4. main body, 5. valve seat, 6. water sealing rubber ring, 7. water inlet pipe O-ring, 8. water sealing ring, 9. base water sealing ring, 10. water baffle.

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0018] like Figure 1-2 As shown, the utility model proposes an improved pneumatic drain valve, including a valve body, a valve seat 5 and a pneumatic component. The valve seat 5 is fixedly arranged on the valve body, and the valve body includes a main body 4 and a large float rod 3. The main body 4 is fixedly connected to the valve seat 5, and the bottom of the valve seat 5 is a drain hole. The large float rod 3 is movably arranged in the main body 4. A connecting tube 2 is clamped on the large float rod 3, and a water sealing ring 8 is clamped and connected at the bottom of the large float rod 3. A water baffle 18 connected by a cross bracket is provided on the water sealing ring 8, and a water inlet hole is provided between the water baffle 18 and the water sealing ring 8. In order to facilitate manual pulling, a pull rod 1 is clamped on the connecting tube 2, and the pneumatic component is clamped on the connecting tube 2.

[0019] In order to seal, a water sealing rubber ring 6 is sleeved on the bottom of the water sealing ring 8, and a water inlet pipe O-ring 7 is provided on the top of the water sealing ring 8. The water inlet pipe O-ring 7 is arranged on the bottom of the valve seat 5 inside the large float rod 3 and a base water sealing ring 9 is sleeved on the bottom. The water sealing rubber ring 6, the water inlet pipe O-ring 7 and the base water sealing ring 9 are all made of rubber material.

[0020] During specific use, the pneumatic component is connected to the pneumatic equipment. The operation of the pneumatic equipment can lift up the large float rod 3 together with the water sealing ring 8, separate the water sealing rubber ring 6 and the drain hole, and the water flows out from the drain hole and falls back under the action of gravity. Since a water baffle 10 is provided, the impact of the water flow will be blocked by the water baffle 10, and the water flow enters from the water inlet hole left by the cross support frame between the water baffle 10 and the water sealing ring 8, which can reduce water splashing. The above is the use process of the entire improved pneumatic drain valve.

[0021] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0022] 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.

[0023] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. An improved pneumatic drain valve, comprising a valve body, a valve seat (5) and a pneumatic assembly, wherein the valve seat (5) is fixedly arranged on the valve body, the valve body comprises a main body (4) and a large floating rod (3), the main body (4) is fixedly connected to the valve seat (5), the bottom of the valve seat (5) is a drain hole, and the large floating rod (3) is movably arranged in the main body (4), characterized in that: A connecting tube (2) is clamped on the large floating rod (3); a water sealing ring (8) is clamped and connected at the bottom of the large floating rod (3); a water baffle (10) connected by a cross bracket is provided on the water sealing ring (8); a water inlet hole is provided between the water baffle (10) and the water sealing ring (8); and the pneumatic component is clamped on the connecting tube (2).

2. An improved pneumatic drain valve according to claim 1, characterized in that: A pull rod (1) is clamped on the connecting tube (2).

3. An improved pneumatic drain valve according to claim 2, characterized in that: A water sealing rubber ring (6) is sleeved on the bottom of the water sealing ring (8), a water inlet pipe O-ring (7) is provided on the top of the water sealing ring (8), and the water inlet pipe O-ring (7) is arranged on the inner side of the large floating rod (3).

4. An improved pneumatic drain valve according to claim 3, characterized in that: A base water sealing ring (9) is sleeved on the bottom of the valve seat (5).

5. An improved pneumatic drain valve according to claim 4, characterized in that: The water sealing rubber ring (6), the water inlet pipe O-ring (7) and the base water sealing ring (9) are all made of rubber material.

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