Anti-siphon drain pipe elbow

Abstract

The utility model relates to the technical field of water pipe connectors, in particular to an anti-siphon drain pipe elbow. Comprising a drain pipe elbow body, a water inlet is formed in one end of the drain pipe elbow body, a water outlet is formed in the other end of the drain pipe elbow body, and an anti-siphon assembly is arranged in the water outlet. The anti-siphon drain pipe elbow is simple in structure and good in anti-siphon effect, sewage backflow can be effectively prevented, and the safety of tap water is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of water pipe joints, and specifically relates to an anti-siphon drainage pipe elbow. Background Technique

[0002] The drainage pipe elbow is installed at the outlet of a pipeline or a pipeline system. When draining water, when the liquid flows through the drainage pipe elbow, the valve will automatically close, forming a sealed area in the pipeline to prevent the occurrence of the siphon effect.

[0003] There is a utility model with the patent publication number CN215862207U, whose patent name is a multi-functional protective water inlet pipe. The structure of the anti-siphon function in this solution is relatively complex, specifically an anti-siphon drainage pipe elbow. Summary of the Invention

[0004] Aiming at the deficiencies of the prior art, the above technical problems of the present utility model are mainly solved by the following technical solutions:

[0005] An anti-siphon drainage pipe elbow includes a drainage pipe elbow body. The drainage pipe elbow body is provided with a water outlet, the drainage pipe elbow body is provided with a water inlet, and an anti-siphon component is arranged in the water outlet.

[0006] Preferably, the anti-siphon component includes a flow splitting ring. The flow splitting ring is arranged in the water outlet. An inlet cavity is arranged in the flow splitting ring, a positioning column is arranged in the inlet cavity, and a cushion block is arranged between the positioning column and the inlet cavity.

[0007] Preferably, the anti-siphon component includes a one-way valve seat. The one-way valve seat is arranged on the water outlet, and a body valve is arranged in the one-way valve seat.

[0008] Preferably, the anti-siphon component includes a sealing sleeve. A one-way valve sealing head is arranged in the sealing sleeve. One end of the one-way valve sealing head is provided with a connecting rod, a one-way valve spring is arranged on the connecting rod, a second sealing ring is arranged between the one-way valve sealing head and the sealing sleeve, and a first sealing ring is arranged between the sealing sleeve and the pipe wall of the water outlet.

[0009] Preferably, one end of the water outlet is provided with a drainage pipe.

[0010] Preferably, the drainage pipe elbow body is an elbow, and the shape of the flow splitting ring is annular or semi-annular.

[0011] Preferably, the one-way valve spring is a stainless steel spring or a plastic spring.

[0012] The present utility model can achieve the following effects:

[0013] The anti-siphon drain pipe elbow of the present invention has a simple structure, good anti-siphon effect, can effectively prevent sewage backflow, and ensure the safety of tap water. Description of the Drawings

[0014] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0015] Figure 2 It is a front cross-sectional view of the first one-way water inlet anti-siphon component of the present utility model;

[0016] Figure 3 It is a front cross-sectional view of the second one-way water inlet anti-siphon component of the present utility model;

[0017] Figure 4 It is a front cross-sectional view of the third one-way water inlet anti-siphon component of the present utility model.

[0018] In the figure: 1, drain pipe elbow body; 2, water outlet; 3 water inlet; 4, drain pipe; 5, anti-siphon component; 11, positioning column; 12, water inlet cavity; 14, cushion block; 15, shunt ring; 21, one-way valve seat; 22, body valve; 31, one-way valve sealing head; 32, connecting rod; 33, one-way valve spring; 34, sealing sleeve; 35, first sealing ring; 36, second sealing ring. Detailed Description of the Invention

[0019] The technical solution of the present utility model will be further specifically described below through embodiments in conjunction with the drawings.

[0020] Embodiment 1: As Figure 1 and 2 shown,

[0021] An anti-siphon drain pipe elbow includes a drain pipe elbow body 1, the drain pipe elbow body 1 is provided with a water outlet 2, the drain pipe elbow body 1 is provided with a water inlet 3, an anti-siphon component 5 is arranged in the water outlet 3, the anti-siphon component 5 includes a shunt ring 15, the shunt ring 15 is arranged in the water outlet 3, a water inlet cavity 12 is arranged in the shunt ring 15, a positioning column 11 is arranged in the water inlet cavity 12, a cushion block 14 is arranged between the positioning column 11 and the water inlet cavity 12, the drain pipe elbow body 1 is an elbow, and the shape of the shunt ring 15 is annular or semi-annular.

[0022] Embodiment 2: As Figure 1 and 3 shown,

[0023] An anti-siphon drain pipe elbow, comprising a drain pipe elbow body 1, the drain pipe elbow body 1 is provided with a water outlet 2, the drain pipe elbow body 1 is provided with a water inlet 3, an anti-siphon component 5 is arranged in the water outlet 3, and the anti-siphon component 5 includes a one-way valve seat 21, the one-way valve seat 21 is arranged on the water outlet 3, and a body valve 22 is arranged in the one-way valve seat 21.

[0024] Embodiment 3: As Figure 1 and 4 shown,

[0025] An anti-siphon drain pipe elbow, comprising a drain pipe elbow body 1, the drain pipe elbow body 1 is provided with a water outlet 2, the drain pipe elbow body 1 is provided with a water inlet 3, an anti-siphon component 5 is arranged in the water outlet 3, and the anti-siphon component 5 includes a sealing sleeve 34, a one-way valve sealing head 31 is arranged in the sealing sleeve 34, one end of the one-way valve sealing head 31 is provided with a connecting rod 32, a one-way valve spring 33 is arranged on the connecting rod 32, a second sealing ring 36 is arranged between the one-way valve sealing head 31 and the sealing sleeve 34, a first sealing ring 35 is arranged between the sealing sleeve 34 and the pipe wall of the water outlet 3, and a drain pipe 4 is arranged at one end of the water outlet 2.

[0026] Explanation of the uses of components:

[0027] Drain pipe elbow body 1: Connect the drain pipe and change the water flow direction;

[0028] Water inlet 2: Connect the drain pipe and discharge sewage;

[0029] Water outlet 3: Discharge sewage;

[0030] Drain pipe: Transport sewage;

[0031] Anti-siphon component 5: Prevent sewage from flowing back;

[0032] Positioning post 11: Position the flow splitting ring 15;

[0033] Water inlet cavity 12: Accommodate sewage;

[0034] Spacer block 14: Support the first filter screen 13;

[0035] Flow splitting ring 15: Guide sewage into the one-way valve seat 21;

[0036] One-way valve seat 21: Accommodate the body valve 22 and the second filter screen 23;

[0037] Body valve 22: Prevent sewage from flowing back;

[0038] One-way valve sealing head 31: Cooperate with the body valve 22 to realize the one-way valve function;

[0039] Connecting rod 32: Connect the one-way valve sealing head 31 and the one-way valve spring 33;

[0040] One-way valve spring 33: Push the one-way valve sealing head 31 to close;

[0041] Sealing sleeve 34: Accommodate the one-way valve sealing head 31 and the one-way valve spring 33;

[0042] First sealing ring 35: Seal the gap between the sealing sleeve 34 and the water outlet 2;

[0043] Second sealing ring 36: Seal the gap between the one-way valve sealing head 31 and the sealing sleeve 34.

[0044] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and without departing from the basic characteristics of the utility model, the present utility model can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0045] In summary, the above are only specific embodiments of the present utility model, but the structural features of the present utility model are not limited thereto. Any changes or modifications made by those skilled in the art within the field of the present utility model are covered by the patent scope of the present utility model.

Claims

1. An anti-siphon drainage pipe elbow, comprising a drainage pipe elbow body (1), characterized in that, One end of the described drain pipe elbow body (1) is provided with a water inlet (2), the other end of the described drain pipe elbow body (1) is provided with a water outlet (3), and an anti-siphon component (5) is arranged in the water outlet (3).

2. The elbow of an anti-siphon drain pipe according to claim 1, characterized in that, The described anti-siphon component (5) includes a flow splitting ring (15), the flow splitting ring (15) is arranged in the water outlet (3), a water inlet cavity (12) is arranged in the flow splitting ring (15), a positioning column (11) is arranged in the water inlet cavity (12), and a cushion block (14) is arranged between the positioning column (11) and the water inlet cavity (12).

3. The anti-siphon drain pipe elbow according to claim 1, characterized in that, The described anti-siphon component (5) includes a one-way valve seat (21), the one-way valve seat (21) is arranged on the water outlet (3), and a body valve (22) is arranged in the one-way valve seat (21).

4. The elbow of an anti-siphon drain pipe according to claim 1, characterized in that The described anti-siphon component (5) includes a sealing sleeve (34), a one-way valve sealing head (31) is arranged in the sealing sleeve (34), a connecting rod (32) is arranged at one end of the one-way valve sealing head (31), a one-way valve spring (33) is arranged on the connecting rod (32), a second sealing ring (36) is arranged between the one-way valve sealing head (31) and the sealing sleeve (34), and a first sealing ring (35) is arranged between the sealing sleeve (34) and the pipe wall of the water outlet (3).

5. The anti-siphon drain pipe elbow according to claim 1, characterized in that One end of the water outlet (3) is provided with a drain pipe (4).

6. The anti-siphon drain pipe elbow according to claim 2, characterized in that, The described drain pipe elbow body (1) is an elbow, and the shape of the flow splitting ring (15) is annular or semi-annular.

7. The anti-siphon drain pipe elbow according to claim 4, characterized in that, The described one-way valve spring (33) is a stainless steel spring or a plastic spring.

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