Gas drainer with automatic venting function

By designing an exhaust self-rotation protection component and a dual-pipe exhaust component, the problem of poor gas discharge from the gas drainer was solved, achieving automatic and efficient exhaust, and improving the safety and service life of the equipment.

CN224944630UActive Publication Date: 2026-11-06NANTONG SHENDONG METALLURGICAL MACHINERY
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Patent Information

Application Number
CN202522577229.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-12-04
Publication Date
2026-11-06
Estimated Expiration
2035-12-04

AI Technical Summary

Technical Problem

Existing gas drainers are unable to automatically discharge accumulated gas, leading to abnormal gas pressure or leaks, affecting the safety of gas transportation, and the float ball wears out severely.

Method used

An exhaust self-rotation protection component was designed, which includes the cooperation of a float, a rotating shaft, a lever, and a sealing component to achieve automatic exhaust. The dual-pipe exhaust component improves exhaust efficiency and prevents gas accumulation.

Benefits of technology

It enables automatic discharge of internally accumulated gas, avoids abnormal gas pressure or leakage, strengthens the safety line of gas transportation, reduces the probability of component failure, and extends service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a gas drainer with automatic venting function, relating to the technical field of drainers. The utility model includes a drainer with a flange interface on its side, a drain valve on its top, an vent valve on its top, a drain pipe running through it, a fastening assembly on its outer wall, and a vent valve with a self-rotating venting protection assembly on its inner wall. The vent valve's self-rotating venting protection assembly includes a connecting pipe, one end of which extends through the bottom of the vent valve. The mutual cooperation between the float, rotating shaft, and other components inside the vent valve's self-rotating venting protection assembly enables automatic venting of accumulated gas, preventing safety hazards caused by abnormal gas pressure or leakage, thus strengthening the safety line of gas transportation. The float's self-rotating design reduces localized wear, and combined with the stable venting mechanism, lowers the probability of component failure and extends the overall service life of the drainer.
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Description

Technical Field

[0001] This utility model belongs to the field of drainage device technology, and in particular relates to a gas drain device with automatic venting function. Background Technology

[0002] The device in the gas pipeline system is designed to automatically remove air or non-combustible gases from the pipeline to ensure the safe operation of the gas system. During the installation or maintenance of gas pipelines, they may become filled with air or moisture. If this air or moisture is not removed in time, it may affect the normal flow of gas or even cause system failure.

[0003] According to the publicized water supply device of the leak-proof gas drainer (publication number: CN 205979186 U), it includes a water injection pipe, a high-pressure chamber exhaust pipe, and a low-pressure chamber exhaust pipe. The high-pressure chamber exhaust pipe is located at the top of the high-pressure chamber, with its inlet connected to the high-pressure chamber and its outlet connected to the atmosphere. A high-pressure chamber exhaust valve is installed on the high-pressure chamber exhaust pipe. The low-pressure chamber exhaust pipe is located at the top of the low-pressure chamber, with its inlet connected to the low-pressure chamber.

[0004] In the aforementioned application, the cooperation between components such as water injection pipes and high-pressure chamber exhaust pipes is insufficient to automatically discharge internally accumulated gas, avoid safety hazards caused by abnormal gas pressure or leakage, and strengthen the safety line of gas transportation. The problem of reducing local wear due to the self-rotation design of the float results in the inability to automatically discharge internally accumulated gas, the safety line of gas transportation is not strong enough, and the float wears out too much after long-term use, which needs to be improved. Utility Model Content

[0005] The purpose of this utility model is to provide a gas drainer with automatic venting function. Through the cooperation between the float, rotating shaft and other components inside the venting self-rotation protection component, it solves the problem that existing gas drainers cannot automatically vent accumulated gas, avoid safety hazards caused by abnormal gas pressure or leakage, and build a solid safety line for gas transportation. The float self-rotation design reduces local wear.

[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution: This utility model relates to a gas drainer with automatic venting function, comprising a drainer, a flange interface on the side of the drainer, a drain valve on the top of the drainer, an vent valve on the top of the drainer, a drain pipe passing through the drainer, a fastening assembly on the outer wall of the drainer, a vent rotation protection assembly on the inner wall of the vent valve, the vent rotation protection assembly including a connecting pipe, one end of the connecting pipe passing through the bottom of the vent valve, a vent opening on the inner wall of the vent valve, a spacer fixedly connected to the inner wall of the connecting pipe, a support rod fixedly connected to the inner wall of the vent valve, a rotating shaft passing through one end of the support rod, a float rotatably connected to the circumference of the rotating shaft, the outer wall of the float slidably connected to the inner wall of the vent valve, a lever slidably connected to the inner wall of the vent valve, a vent pipe passing through the top of the vent valve, a sealing assembly slidably connected to the inner wall of the vent pipe, and the bottom end of the sealing assembly fixedly connected to the top end of the lever.

[0007] Furthermore, the first lever is located on the displacement trajectory of the float, and the first sealing component is located on the displacement trajectory of the first lever. This design is beneficial because when the float is impacted by gas and moves upward, the float will squeeze the first lever.

[0008] Furthermore, the spacer block is located at the bottom of the vent, and the spacer block is located at the bottom of the float. The spacer block blocks half of the vent, so that only half of the vent is exposed, leaving only half of the vent to blow air onto the float.

[0009] Furthermore, two support rods are provided, and they are symmetrical to each other along the vertical central axis of the float. The provision of two support rods is beneficial for the stable support of the float.

[0010] Furthermore, the exhaust valve is internally equipped with a dual-pipe exhaust assembly, which includes a second lever. The side of the second lever is slidably connected to the inner wall of the exhaust valve. An exhaust pipe second passes through the top of the exhaust valve. A sealing component second is slidably connected to the inner wall of the exhaust pipe second. The bottom end of the sealing component second is fixedly connected to the top end of the second lever. By clamping the exhaust pipe second, the exhaust valve can exhaust air in two ways, thereby improving exhaust efficiency.

[0011] Furthermore, the second lever is located on the displacement trajectory of the float, and the second sealing component is located on the displacement trajectory of the second lever. This design is advantageous because the float can squeeze the second lever when it moves upward.

[0012] Furthermore, the flange interface is provided in two symmetrically arranged along the vertical central axis of the drainer, which facilitates the drainer's drainage and water intake.

[0013] This utility model has the following beneficial effects: 1. This utility model achieves automatic discharge of internally accumulated gas through the cooperation of components such as float and rotating shaft inside the exhaust self-rotation protection component, avoiding safety hazards caused by abnormal gas pressure or leakage, and strengthening the safety line of gas transportation. The float self-rotation design reduces local wear, and together with the stable exhaust mechanism, it reduces the probability of component failure and extends the overall service life of the drainage system.

[0014] 2. This utility model achieves the design of double levers, double exhaust pipes and double sealing components through the cooperation between the two levers and the two exhaust pipes inside the double exhaust assembly. It can exhaust gas at the same time, accelerate the gas discharge speed, avoid gas accumulation, and meet the exhaust demand of different gas volumes. It can still exhaust gas efficiently when the gas flow or pressure fluctuates, thus improving the adaptability of the equipment to complex working conditions.

[0015] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a three-dimensional appearance structure diagram of the present utility model; Figure 2 This is a three-dimensional side sectional view of the drain device of this utility model; Figure 3 This is a three-dimensional side sectional view of the exhaust valve of this utility model; Figure 4 This is a three-dimensional magnified structural diagram of the float of this utility model; Figure 5 This is a three-dimensional side sectional view of the sealing component of this utility model.

[0018] The attached diagram lists the components represented by each number as follows: 1. Drainer; 2. Flange interface; 3. Drain valve; 4. Air vent valve; 5. Sewage pipe; 6. Fastening assembly; 7. Exhaust self-rotation protection assembly; 71. Connecting pipe; 72. Vent; 73. Spacer block; 74. Float ball; 75. Support rod; 76. Rotating shaft; 77. Lever one; 78. Sealing assembly one; 79. Exhaust pipe one; 8. Dual-pipe exhaust assembly; 81. Lever two; 82. Exhaust pipe two; 83. Sealing assembly two. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0020] Please see Figures 1-5 As shown, this utility model is a gas drainer with automatic venting function, including a drainer 1, a flange interface 2 on the side of the drainer 1, a drain valve 3 on the top of the drainer 1, an vent valve 4 on the top of the drainer 1, a drain pipe 5 passing through the drainer 1, a fastening assembly 6 on the outer wall of the drainer 1, and a venting self-rotation protection assembly 7 on the inner wall of the vent valve 4. The venting self-rotation protection assembly 7 includes a connecting pipe 71, one end of which passes through the bottom of the vent valve 4, and a vent 72 on the inner wall of the vent valve 4. A spacer block 73 is fixedly connected to the inner wall of the connecting pipe 71. A support rod 75 is fixedly connected to the inner wall of the exhaust valve 4. One end of the support rod 75 passes through a rotating shaft 76. A float ball 74 is rotatably connected to the circumferential surface of the rotating shaft 76. The outer wall of the float ball 74 is slidably connected to the inner wall of the exhaust valve 4. A lever 77 is slidably connected to the inner wall of the exhaust valve 4. An exhaust pipe 79 passes through the top of the exhaust valve 4. A sealing component 78 is slidably connected to the inner wall of the exhaust pipe 79. The bottom end of the sealing component 78 is fixedly connected to the top end of the lever 77.

[0021] Lever 77 is located on the displacement trajectory of float 74, and sealing assembly 78 is located on the displacement trajectory of lever 77. This design is beneficial because when float 74 is impacted by gas and moves upward, float 74 will squeeze lever 77.

[0022] Spacer 73 is located at the bottom of vent 72 and at the bottom of float 74. Spacer 73 blocks half of vent 72, so that only half of vent 72 is exposed, allowing only half of vent 72 to blow air onto float 74.

[0023] There are two support rods 75, which are symmetrical to each other along the vertical central axis of the float 74. The presence of two support rods 75 is beneficial for the stable support of the float 74.

[0024] The exhaust valve 4 is equipped with a dual-pipe exhaust assembly 8. The dual-pipe exhaust assembly 8 includes a lever 81, the side of which is slidably connected to the inner wall of the exhaust valve 4. An exhaust pipe 82 passes through the top of the exhaust valve 4. A sealing assembly 83 is slidably connected to the inner wall of the exhaust pipe 82. The bottom end of the sealing assembly 83 is fixedly connected to the top end of the lever 81. By clamping the exhaust pipe 82, the exhaust valve 4 can exhaust air in two ways, thereby improving exhaust efficiency.

[0025] Lever 2 81 is located on the displacement trajectory of float 74, and sealing component 2 83 is located on the displacement trajectory of lever 2 81. This design is advantageous because when float 74 moves upward, it can squeeze lever 2 81.

[0026] There are two flange interfaces 2, which are symmetrical to each other along the vertical central axis of the drainer 1. Having two flange interfaces 2 facilitates the drainage and water intake of the drainer 1.

[0027] A specific application of this embodiment is as follows: First, the drainer 1 is connected to the gas pipeline through the flange interface 2. Condensate in the gas flows into the drainer 1. When gas accumulates in the drainer 1, the exhaust valve 4 automatically releases gas to balance the pressure. When drainage is required, the drain valve 3 is opened to drain the accumulated water. If impurities need to be cleaned, they can be drained through the drain pipe 5. During maintenance, the fastening component 6 is loosened to open the top cover. After inspecting and cleaning the interior, the top cover is sealed again through the fastening component 6 to ensure continuous and stable operation of the equipment. Inside the exhaust valve 4, the upward flow of gas drives the float 74 to move. When gas needs to be discharged, the gas inside the drainer 1 enters through the connecting pipe 71 and then passes through the... Air vent 72 blows air onto float 74, causing it to float upwards. This upward movement of float 74 drives shaft 76 upwards. One end of shaft 76 is threaded through one end of support rod 75, and the shaft 76 is slidably connected to support rod 75. Therefore, when float 74 is impacted by airflow, it drives shaft 76 to float upwards along support rod 75. Shaft 76 is threaded through the outer wall of float 74, and is rotatably connected to float 74, allowing float 74 to rotate on the circumference of shaft 76. The design of spacer 73 at air vent 72 partially blocks air vent 72, allowing air to flow only from the side other than the spacer 73. Inside the vent, air is blown upwards, ensuring that only half of the float 74 is affected. Since the float 74 is rotatably connected to the shaft 76, when air can only blow upwards through half of the vent 72, the float 74 floats upwards along the support rod 75, simultaneously causing the shaft 76 to float upwards. Furthermore, due to the air blowing from only half of its surface, the float 74 rotates on the shaft 76. This rotation ensures that multiple surfaces of the float 74 are impacted by the air, rather than just one fixed side, thus protecting the float 74 and ensuring its long-term use without affecting exhaust performance. When the float 74 moves upwards... When the lever 77 is compressed, it moves upward, causing the sealing component 78 to move upward. This causes the sealing component 78 to slide upward along the inner wall of the exhaust pipe 79. Exhaust ports begin to appear at the bottom and outer wall of the sealing component 78. As the sealing component 78 moves upward, the exhaust ports are exposed at the outer end of the exhaust pipe 79, thus automatically venting and discharging the accumulated gas inside. This prevents safety hazards caused by abnormal gas pressure or leakage, and strengthens the safety line of gas transportation. The self-rotating design of the float 74 reduces local wear. Combined with the stable exhaust mechanism, it reduces the probability of component failure and extends the overall service life of the drainer 1.

[0028] When float 74 moves upward, it will also squeeze lever 2 81. The upward movement of lever 2 81 will drive sealing component 2 83 to move upward, causing sealing component 2 83 to slide upward along the inner wall of exhaust pipe 2 82. Exhaust ports will appear at the bottom and outer wall of sealing component 2 83. As sealing component 2 83 moves upward, the exhaust ports will be exposed from the outer end of exhaust pipe 2 82, allowing gas to be discharged. The system is equipped with lever 1 77, lever 2 81, exhaust pipe 1 79, exhaust pipe 2 82, sealing component 1 78, and sealing component 2 83 to improve exhaust efficiency. The design of double levers, double exhaust pipes, and double sealing components allows for simultaneous exhaust, accelerates gas discharge, avoids gas accumulation, and can meet the exhaust requirements of different gas volumes. It can still exhaust efficiently when the gas flow or pressure fluctuates, improving the adaptability of the equipment to complex working conditions.

[0029] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0030] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. Coal gas drainer with automatic venting function, comprising a drainer (1), characterized in that: The drainer (1) has a flange interface (2) on its side, a drain valve (3) on its top, an air vent valve (4) on its top, a drain pipe (5) through it, a fastening assembly (6) on its outer wall, and an air vent valve (7) on its inner wall. The exhaust self-rotation protection assembly (7) includes a connecting pipe (71), one end of which passes through the bottom of the exhaust valve (4). An air vent (72) is provided on the inner wall of the exhaust valve (4). A spacer block (73) is fixedly connected to the inner wall of the connecting pipe (71). A support rod (75) is fixedly connected to the inner wall of the exhaust valve (4). A rotating shaft (76) passes through one end of the support rod (75). A float (74) is rotatably connected to the circumferential surface of the rotating shaft (76). The outer wall of the float (74) is slidably connected to the inner wall of the exhaust valve (4). A lever (77) is slidably connected to the inner wall of the exhaust valve (4). An exhaust pipe (79) passes through the top of the exhaust valve (4). A sealing assembly (78) is slidably connected to the inner wall of the exhaust pipe (79). The bottom end of the sealing assembly (78) is fixedly connected to the top end of the lever (77).

2. The gas trap with automatic air discharge function according to claim 1, wherein The lever (77) is located on the displacement trajectory of the float (74), and the sealing assembly (78) is located on the displacement trajectory of the lever (77).

3. The gas trap with automatic air discharge function according to claim 1, wherein The spacer block (73) is located at the bottom of the vent (72) and the spacer block (73) is located at the bottom of the float (74).

4. The gas trap with automatic air discharge function according to claim 1, wherein Two support rods (75) are provided, and they are symmetrical to each other along the vertical central axis of the float (74).

5. The gas trap with automatic air discharge function according to claim 1, wherein The exhaust valve (4) is provided with a double-pipe exhaust assembly (8). The double-pipe exhaust assembly (8) includes a lever (81). The side of the lever (81) is slidably connected to the inner wall of the exhaust valve (4). The top of the exhaust valve (4) is provided with an exhaust pipe (82). A sealing assembly (83) is slidably connected to the inner wall of the exhaust pipe (82). The bottom end of the sealing assembly (83) is fixedly connected to the top end of the lever (81).

6. The gas drainer with automatic venting function according to claim 5, characterized in that, The second lever (81) is located on the displacement trajectory of the float (74), and the second sealing assembly (83) is located on the displacement trajectory of the second lever (81).

7. The gas drainer with automatic venting function according to claim 1, characterized in that, There are two flange interfaces (2), which are symmetrical to each other along the vertical central axis of the drainer (1).

Citation Information

Patent Citations

  • Prevent letting out moisturizing device of coal leaking gas drainer

    CN205979186U