Automatic drainage device for gas pipeline
By designing automatic drainage devices in the gas pipeline, the sealing plate and spring structure are used to achieve automatic discharge of water, solving the problem of water accumulation in the gas pipeline, and ensuring the normal use and safety of the gas pipeline.
Patent Information
- Application Number
- CN202422454719.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-10
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2034-10-10
AI Technical Summary
The misconnection of the water pipe during installation will lead to internal water accumulation, affecting normal use and risk of damage.
An automatic drainage device for gas pipelines is designed, and the valve port is automatically opened and closed under the action of the gravity and gas pressure of water to achieve automatic discharge of water, and a double sealing structure is used to prevent gas leakage through the water collection chamber.
The automatic discharge of water in the gas pipeline is achieved in the case of constant gas gas, avoid gas leakage, improve safety, and prevent gas leakage accidents and economic losses caused by spring failure.
Smart Images
Figure CN223191084U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of gas pipelines, in particular to an automatic drainage device for gas pipelines. Background Art
[0002] With the accelerating pace of urbanization, natural gas has become increasingly accessible to every household, significantly increasing its penetration rate. Gas pipelines are specialized pipes for transporting gas. During installation, water pipes are often mistakenly connected to the gas pipelines. This can cause a large amount of water to build up inside the gas pipelines, potentially damaging them and affecting their normal operation. Utility Model Content
[0003] The purpose of the utility model is to overcome the above-mentioned problems and provide an automatic drainage device for a gas pipeline, which can discharge the accumulated water in the gas pipeline without stopping the gas, thereby achieving automatic drainage, will not affect the normal use of the gas pipeline, and has high safety.
[0004] The purpose of the utility model is achieved through the following technical solutions:
[0005] A gas pipeline automatic drainage device includes a drainage body; a water inlet is provided at the upper end of the drainage body, a drain outlet is provided at the lower end of the drainage body, and a water collecting chamber is provided in the middle portion of the drainage body; the water inlet is connected to the gas pipeline; a sealing structure is provided on both the water inlet and the drain outlet; the sealing structure includes a valve port, a sealing plate movably arranged at the lower end of the valve port and used to open or close the valve port, and a spring for urging the sealing plate to close the valve port.
[0006] The working principle of the above-mentioned gas pipeline automatic drainage device is:
[0007] When water enters the gas pipeline, the sealing plate of the sealing structure at the water inlet, under the action of the gravity of the water and the pressure of the gas, can overcome the elastic force of the spring and push the sealing plate downward, the valve port is opened, so that the water in the gas pipeline can enter the water collection chamber through the valve port; when the water on the gas pipeline is drained, the elastic force of the spring will be greater than the gas pressure in the gas pipeline, the sealing plate will move upward to reseal the valve port; when a certain weight of water accumulates in the water collection chamber, the gravity of the water is greater than the elastic force of the spring of the sealing structure at the drain port, the sealing plate will move downward, allowing the water in the water collection chamber to be discharged from the water collection chamber through the valve port and finally discharged through the drain port; when the water in the water collection chamber is drained, the elastic force of the spring will push the sealing plate upward to reseal the valve port and seal the water collection chamber. In the utility model, the water collection chamber is added with a double sealing structure, which can discharge water out of the gas pipeline while avoiding accidents and economic losses caused by the failure of one of the springs, which may cause the gas in the gas pipeline to automatically discharge from the pipeline system.
[0008] A preferred solution of the present invention is that the sealing structure further includes a first limit plate, a plurality of water leakage holes are provided on the first limit plate, and the plurality of water leakage holes constitute the valve port; the first limit plate of the sealing structure located on the water inlet is arranged on the inner wall of the water inlet, and the first limit plate of the sealing structure located on the drain port is arranged on the inner wall of the drain port. In the above structure, when water enters the gas pipeline, the sealing plate of the sealing structure located at the water inlet can overcome the elastic force of the spring and push the sealing plate downward under the action of the gravity of the water and the pressure of the gas, and the sealing plate leaves the first limit plate, and the water leakage hole opens (the valve port opens), so that the water in the gas pipeline can enter the water collecting chamber through the water leakage hole; when the water on the gas pipeline is drained, the elastic force of the spring will be greater than the gas pressure in the gas pipeline, and the sealing plate will move upward and press against the lower end of the first limit plate, and re-close. Seal the leaking hole (close the valve); when a certain weight of water accumulates in the water collecting chamber and the gravity of the water is greater than the spring force of the sealing structure at the drain outlet, the sealing plate will move downward, the sealing plate will leave the first limit plate, and the leaking hole will open (the valve outlet will open), so that the water in the water collecting chamber will be discharged from the leaking hole and finally discharged through the drain outlet; when the water in the water collecting chamber is drained, the elastic force of the spring will push the sealing plate upward and press it against the lower end of the first limit plate, re-seal the leaking hole (close the valve outlet) and seal the water collecting chamber.
[0009] Preferably, the sealing structure further includes a second limit plate disposed below the first limit plate; the sealing plate is disposed between the first and second limit plates; the upper end of the spring acts on the lower end of the sealing plate, and the lower end of the spring acts on the upper end of the second limit plate. The second limit plate serves to limit the spring during installation; during drainage, water passes through the leak hole, through the second limit plate, and into the water collection chamber or out of the drainage body.
[0010] Furthermore, the second limiting plate of the sealing structure located on the water inlet is arranged on the inner wall of the water inlet, and the second limiting plate of the sealing structure located on the drain outlet is arranged on the inner wall of the drain outlet.
[0011] Preferably, a sealant is provided on the upper end of the sealing plate to improve the sealing performance. During sealing, the sealant can be sealed with the leaking hole to prevent water and gas leakage.
[0012] Preferably, a first guide rod is provided at the upper end of the sealing plate, a first guide hole is provided on the first limiting plate, and the first guide rod is engaged with the first guide hole. The purpose is that the first guide hole and the first guide rod can play a guiding role, thereby ensuring the stability of the upward and downward movement of the sealing plate.
[0013] Preferably, a second guide rod is provided at the lower end of the sealing plate, a second guide hole is provided on the second limiting plate, and the second guide rod is engaged with the second guide hole, so as to further ensure the stability of the sealing plate in the up and down movement.
[0014] Preferably, the spring is sleeved on the second guide rod. By setting the above structure, the spring can be installed and fixed to prevent the spring from shifting.
[0015] Preferably, the second limiting plate is provided with a plurality of through holes. By providing the through holes, when draining water, water is discharged from the leaking holes and then discharged through the through holes, thereby ensuring smooth drainage.
[0016] Preferably, a connection port is provided at the upper end of the water inlet, and the connection port is connected to the gas pipeline via a thread. The threaded connection allows the automatic drain device to be easily installed on the gas pipeline and also to be easily disassembled.
[0017] Compared with the prior art, the present invention has the following beneficial effects:
[0018] 1. The automatic drainage device for gas pipelines in the present invention, when water enters the gas pipeline without stopping the gas, the sealing plate of the sealing structure located at the water inlet can overcome the elastic force of the spring to push the sealing plate downward under the action of the gravity of the water and the pressure of the gas, and the valve port is opened, so that the water in the gas pipeline can enter the water collecting chamber through the valve port; when a certain weight of water is accumulated in the water collecting chamber, the gravity of the water is greater than the spring elastic force of the sealing structure at the drain port, the sealing plate will move downward, so that the water in the water collecting chamber can be discharged from the water collecting chamber through the valve port; by setting a spring, the valve port can be automatically opened according to the weight of the water and the pressure of the gas to realize automatic drainage.
[0019] 2. In the automatic drainage device for the gas pipeline of the present invention, after the water is drained, the elastic force of the spring pushes the sealing plate upward to reseal the valve port, thereby closing the valve port and preventing gas leakage without affecting the normal use of the gas pipeline.
[0020] 3. The automatic drainage device for the gas pipeline in the utility model has a water collecting chamber and a double sealing structure, that is, a sealing structure is set on the water inlet and the drain outlet. While discharging water from the gas pipeline, it can avoid accidents and economic losses caused by the automatic discharge of gas from the gas pipeline due to failure of one of the springs; it has high safety. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 This is a structural schematic diagram of one specific implementation of a gas pipeline automatic drainage device in the present utility model.
[0022] Figure 2 for Figure 1 A partial enlarged view of the .
[0023] Figure 3 This is a structural schematic diagram of a second specific implementation of an automatic drainage device for a gas pipeline in the present utility model. DETAILED DESCRIPTION
[0024] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is further described below in conjunction with embodiments and drawings, but the implementation methods of the present invention are not limited thereto.
[0025] Example 1
[0026] See also Figure 1-Figure 2 This embodiment discloses an automatic drainage device for a gas pipeline, comprising a drainage body 1, which is a valve body or a drainage pipe; a water inlet 2 is provided at the upper end of the drainage body 1, a drain outlet 3 is provided at the lower end of the drainage body 1, and a water collecting chamber 4 is provided in the middle of the drainage body 1; the upper end of the water collecting chamber 4 is communicated with the water inlet 2, and the lower end of the water collecting chamber 4 is communicated with the drain outlet 3; the water inlet 2 is connected to the gas pipeline 5; a sealing structure is provided on both the water inlet 2 and the drain outlet 3, that is, the automatic drainage device has a double sealing structure; the sealing structure comprises a valve port 6, a sealing plate 7 movably arranged at the lower end of the valve port 6 and used to open or close the valve port 6, and a spring 8 for urging the sealing plate 7 to close the valve port 6.
[0027] See also Figure 1-Figure 2 , the gas pipeline 5 in this embodiment is a gas riser; the automatic drainage device in this embodiment is mainly opened by the gravity of water, therefore, setting it on the gas riser can play a good drainage effect.
[0028] See also Figure 1-Figure 2, the sealing structure also includes a first limiting plate 9, which is provided with a plurality of water leakage holes, and the plurality of water leakage holes constitute the valve port 6; the first limiting plate 9 of the sealing structure located on the water inlet 2 is arranged on the inner wall of the water inlet 2, and the first limiting plate 9 of the sealing structure located on the drain port 3 is arranged on the inner wall of the drain port 3. In the above structure, when water enters the gas pipeline 5, the sealing plate 7 of the sealing structure located at the water inlet 2 can overcome the elastic force of the spring 8 and push the sealing plate 7 downward under the action of the gravity of the water and the pressure of the gas, and the sealing plate 7 leaves the first limiting plate 9, and the water leakage holes are opened (the valve port 6 is opened), so that the water in the gas pipeline 5 can enter the water collecting chamber 4 through the water leakage holes; when the water on the gas pipeline 5 is drained, since the elastic force of the spring 8 will be greater than the gas pressure in the gas pipeline 5, the sealing plate 7 will move upward and press against the lower end of the first limiting plate 9 to reseal. Seal the leakage hole (the valve port 6 is closed); when a certain weight of water accumulates in the water collecting chamber 4, and the gravity of the water is greater than the elastic force of the spring 8 of the sealing structure at the drain port 3, the sealing plate 7 will move downward, and the sealing plate 7 will leave the first limit plate 9, and the leakage hole will open (the valve port 6 will open), so that the water in the water collecting chamber 4 will be discharged from the leakage hole to the water collecting chamber 4, and finally discharged through the drain port 3; when the water in the water collecting chamber 4 is drained, the elastic force of the spring 8 will push the sealing plate 7 upward, press it against the lower end of the first limit plate 9, reseal the leakage hole (the valve port 6 is closed), and seal the water collecting chamber 4.
[0029] See also Figure 1-Figure 2 The sealing structure further includes a second limiting plate 10 disposed below the first limiting plate 9; the sealing plate 7 is disposed between the first limiting plate 9 and the second limiting plate 10; the upper end of the spring 8 acts on the lower end of the sealing plate 7, and the lower end of the spring 8 acts on the upper end of the second limiting plate 10. The second limiting plate 10 serves to limit the installation of the spring 8; during drainage, water passes through the leaking hole, through the second limiting plate 10, and enters the water collection chamber 4 or exits the drainage body 1.
[0030] See also Figure 1-Figure 2 The first limiting plate 9 and the second limiting plate 10 are both fixed inside the drainage body 1 and can be integrally provided with the drainage body 1 .
[0031] See also Figure 1-Figure 2 The second limiting plate 10 of the sealing structure located on the water inlet 2 is arranged on the inner wall of the water inlet 2 , and the second limiting plate 10 of the sealing structure located on the drain outlet 3 is arranged on the inner wall of the drain outlet 3 .
[0032] See also Figure 1-Figure 2 The upper end of the sealing plate 7 is provided with a sealant 11. Its purpose is to improve the sealing performance. When sealing, the sealant 11 can be sealed and connected to the leaking hole to prevent water and gas leakage.
[0033] See also Figure 1-Figure 2 The sealing plate 7 is provided with a first guide rod 12 at its upper end, and a first guide hole 13 is provided in the first stop plate 9. The first guide rod 12 is engaged with the first guide hole 13. The purpose is to provide a guide for the first guide hole 13 and the first guide rod 12, ensuring the stability of the upward and downward movement of the sealing plate 7. The first guide rod 12 and the first guide hole 13 can be a clearance fit or a sliding fit. The purpose is to ensure that the clearance fit allows the first guide hole 13 to provide a certain drainage effect, while the sliding fit ensures the stability of the movement.
[0034] See also Figure 1-Figure 2 A second guide rod 14 is provided at the lower end of the sealing plate 7, and a second guide hole 15 is provided in the second limiting plate 10. The second guide rod 14 engages with the second guide hole 15 to further ensure the stability of the vertical movement of the sealing plate 7. The second guide rod 14 and the second guide hole 15 can be a clearance fit or a sliding fit. The clearance fit ensures that the first guide hole 13 can still provide a certain drainage effect, while the sliding fit ensures the stability of the movement.
[0035] See also Figure 1-Figure 2 , the spring 8 is sleeved on the second guide rod 14. By setting the above structure, the spring 8 can be installed and fixed to prevent the spring 8 from shifting.
[0036] See also Figure 1-Figure 2 , a plurality of through holes (not shown in the figure) are provided on the second limiting plate 10. By arranging the through holes, when draining, water is discharged from the leaking hole and then discharged through the through holes, thereby ensuring smooth drainage.
[0037] See also Figure 1-Figure 2 The sealing plate 7 is coaxially arranged with the first guide rod 12 and the second guide rod 14 and is integrally arranged to ensure the compactness of the structure.
[0038] See also Figure 1-Figure 2 The upper end of the water inlet 2 is provided with a connecting port 16, and the connecting port 16 is connected to the gas pipe 5 through a thread 17. Through the thread 17 connection, the automatic drainage device can be very conveniently installed on the gas pipe 5, and at the same time, it is also very convenient to disassemble.
[0039] See also Figure 1-Figure 2 The diameter of the water collection chamber 4 is larger than the diameter of the water inlet 2 and the drain outlet 3, and the upper and lower ends of the water collection chamber 4 are provided with variable diameter sections. The purpose is that the variable diameter section at the lower end is convenient for gathering water, thereby facilitating the discharge of water from the water collection chamber.
[0040] See also Figure 1-Figure 2 The working principle of the above-mentioned gas pipeline automatic drainage device is:
[0041] When water enters the gas pipeline 5, the sealing plate 7 of the sealing structure located at the water inlet 2 can overcome the elastic force of the spring 8 and push the sealing plate 7 downward under the action of the gravity of the water and the pressure of the gas, and the valve port 6 is opened, so that the water in the gas pipeline 5 can enter the water collecting chamber 4 through the valve port 6; when the water on the gas pipeline 5 is drained, the elastic force of the spring 8 will be greater than the gas pressure in the gas pipeline 5, and the sealing plate 7 will move upward to reseal the valve port 6. When a certain weight of water is accumulated in the water collecting chamber 4, the gravity of the water is greater than the elastic force of the spring 8 of the sealing structure at the drain port 3, and the sealing plate 7 will move downward, so that the water in the water collecting chamber 4 is discharged from the valve port 6 to the water collecting chamber 4, and finally discharged through the drain port 3; when the water in the water collecting chamber 4 is drained, the elastic force of the spring 8 will push the sealing plate 7 upward to reseal the valve port 6, thereby sealing the water collecting chamber 4. In the present invention, the water collecting chamber 4 is provided with a double sealing structure, which can discharge water from the gas pipeline 5 while preventing accidents and economic losses caused by the automatic discharge of gas in the gas pipeline 5 from the pipeline system due to failure of one of the springs 8.
[0042] Example 2
[0043] See also Figure 3 The other structures of this embodiment are identical to those of Example 1, except that there is only one leaking hole, which constitutes the valve port 6, and the sealing plate 7 is slidably connected to the inner wall of the drain body 1. Specifically, the sealing plate 7 of the sealing structure at the water inlet 2 is slidably connected to the inner wall of the water inlet 2, and the sealing plate 7 of the sealing structure at the drain outlet 3 is slidably connected to the inner wall of the drain outlet 3. The second limiting plate 10 does not need to be provided with the second guide hole 15, and can be directly provided with multiple through holes.
[0044] The above is a preferred embodiment of the present invention, but the embodiment of the present invention is not limited to the above content. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principles of the present invention should be considered as equivalent replacement methods and are included in the scope of protection of the present invention.
Claims
1. A gas pipeline automatic drainage device, characterized in that: It includes a drainage body; a water inlet is provided at the upper end of the drainage body, a drain outlet is provided at the lower end of the drainage body, and a water collecting chamber is provided in the middle of the drainage body; the water inlet is connected to the gas pipeline; a sealing structure is provided on both the water inlet and the drain outlet; the sealing structure includes a valve port, a sealing plate movably arranged at the lower end of the valve port and used to open or close the valve port, and a spring used to urge the sealing plate to close the valve port.
2. The automatic drainage device for a gas pipeline according to claim 1, characterized in that: The sealing structure also includes a first limit plate, which is provided with multiple leakage holes, and the multiple leakage holes constitute the valve port; the first limit plate of the sealing structure located on the water inlet is arranged on the inner wall of the water inlet, and the first limit plate of the sealing structure located on the drain outlet is arranged on the inner wall of the drain outlet.
3. The automatic drainage device for a gas pipeline according to claim 2, characterized in that: The sealing structure also includes a second limiting plate arranged below the first limiting plate; the sealing plate is arranged between the first limiting plate and the second limiting plate; the upper end of the spring acts on the lower end of the sealing plate, and the lower end of the spring acts on the upper end of the second limiting plate.
4. The automatic drainage device for a gas pipeline according to claim 1, characterized in that: The upper end of the sealing plate is provided with sealant.
5. The automatic drainage device for a gas pipeline according to claim 3, characterized in that: A first guide rod is provided at the upper end of the sealing plate, a first guide hole is provided on the first limiting plate, and the first guide rod is cooperatively connected with the first guide hole.
6. The automatic drainage device for a gas pipeline according to claim 5, characterized in that: A second guide rod is provided at the lower end of the sealing plate, a second guide hole is provided on the second limiting plate, and the second guide rod is cooperatively connected with the second guide hole.
7. The automatic drainage device for a gas pipeline according to claim 6, characterized in that: The spring is sleeved on the second guide rod.
8. The automatic drainage device for a gas pipeline according to claim 6, characterized in that: The second limiting plate is provided with a plurality of through holes.
9. The automatic drainage device for a gas pipeline according to claim 1, characterized in that: A connecting port is provided at the upper end of the water inlet, and the connecting port is connected to the gas pipeline through a thread.