A pressure regulating valve for an oil-gas separator breather

Abstract

This utility model discloses a pressure regulating valve for an oil-gas separator breather, belonging to the field of oil-gas separation technology. It includes an oil-gas separator breather body, an installation pipe on the breather body, a through pipe that cooperates with the breather body inside the installation pipe, and an adjusting mechanism on the breather body. The adjusting mechanism includes a spring sleeved on the through pipe, a top cover on the installation pipe, and a sealing plate for sealing the top cover. The top cover has a vent port that communicates with the interior of the top cover. The sealing plate is located above the spring and inside the top cover. This application has the effect of automatically adjusting the opening or closing of the oil-gas separator breather according to the external air pressure environment, thus protecting the normal operation of the oil-gas separator breather.

Description

Technical Field

[0001] This utility model relates to the field of oil-gas separation technology for oil-gas separation breathers, and in particular to a pressure regulating valve for oil-gas separation breathers. Background Technology

[0002] During the operation of the oil-gas separator breather, the oil-gas mixture in the crankcase needs to be separated by the oil-gas separator to prevent oil vapor from entering the combustion chamber and causing pollution or carbon deposits. Currently, the oil-gas separator breather is an indispensable component of the oil-gas separator breather system. Its core function is to ensure the efficient and stable operation of the oil-gas separator breather by separating the oil-gas mixture and regulating the internal pressure of the system.

[0003] In high-altitude areas, due to the lower air pressure, the amount of air (oxygen) that the oil-gas separator breather can obtain is reduced, which can lead to insufficient power in the breather. The vehicle will generate a relatively severe negative pressure, which can easily damage the oil-gas separator breather. Furthermore, when the oil-gas separator breather uses additional air to achieve oil-gas separation, the actual amount of air that the breather can use will be further reduced.

[0004] In response to the aforementioned technologies, there is an urgent need to design and develop a pressure regulating valve for oil-gas separator breathers that can automatically adjust the opening or closing of the oil-gas separator breather according to the external air pressure environment, thereby protecting the normal operation of the oil-gas separator breather. Utility Model Content

[0005] In order to automatically adjust the opening or closing of the oil-gas separator breather according to the external air pressure environment and protect the normal operation of the oil-gas separator breather, this application provides a pressure regulating valve for the oil-gas separator breather.

[0006] The pressure regulating valve for an oil-gas separator breather provided in this application adopts the following technical solution:

[0007] A pressure regulating valve for an oil-gas separator breather includes an oil-gas separator breather body, an installation pipe on the oil-gas separator breather body, a through pipe that cooperates with the oil-gas separator breather body inside the installation pipe, an adjusting mechanism on the oil-gas separator breather body, the adjusting mechanism including a spring sleeved on the through pipe, a top cover on the installation pipe, and a sealing plate for sealing the top cover, the top cover having a vent port that communicates with the interior of the top cover, and the sealing plate being positioned above the spring and inside the top cover.

[0008] By adopting the above technical solution, the oil-gas separator breather body is provided with an installation pipe, and a through pipe is provided inside the installation pipe. The through pipe cooperates with the oil-gas separator breather body. A spring is sleeved on the through pipe. A top cover is provided on the installation pipe. A vent is provided on the top cover. The vent is connected to the inside of the top cover. A sealing plate is provided above the spring and inside the top cover. When the negative pressure inside the oil-gas separator breather reaches a certain value, the spring presses down and drives the sealing plate to move down. The sealing plate can block the vent. The oil-gas separator breather can be automatically opened or closed according to the external air pressure environment to protect the normal operation of the oil-gas separator breather.

[0009] Preferably, the sealing sheet is made of rubber, and a rubber ring is fitted on the sealing sheet. The rubber ring is coaxially arranged with the sealing sheet and is disposed inside the top cover. The rubber ring can seal the vent.

[0010] By adopting the above technical solution, the sealing sheet is made of rubber, and a rubber ring is fitted on the sealing sheet. The rubber ring is coaxially arranged with the sealing sheet and is located inside the top cover. The rubber ring can seal the vent pipe opening. The rubber ring is elastic and can better adhere to the vent pipe opening, thereby improving the sealing effect.

[0011] Preferably, the adjusting mechanism includes an abutment piece disposed below the sealing sheet, the abutment piece having a locking hole on its top surface and a chuck on its bottom surface, the chuck engaging in the locking hole, and the bottom surface of the abutment piece abutting against the spring.

[0012] By adopting the above technical solution, the abutment piece is set below the sealing piece, a locking hole is opened on the top surface of the abutment piece, and a chuck is set on the bottom surface of the sealing piece. The chuck is locked in the locking hole, and the bottom surface of the abutment piece abuts against the spring. The abutment piece can prevent the spring from directly contacting the sealing piece, reducing the possibility of the sealing piece being scratched due to the mechanical properties of the spring.

[0013] Preferably, the abutting piece is provided with an abutting block, and the spring abuts against the abutting block.

[0014] By adopting the above technical solution, an abutting block is provided inside the abutting piece, and the spring abuts against the abutting block, thereby improving the stability of the engagement between the abutting piece and the spring.

[0015] Preferably, the top cover is provided with a mounting ring, which is coaxially arranged with the top cover. A snap-fit ​​hole is opened on the side of the mounting ring, and a snap-fit ​​block is provided on the outer side of the mounting tube. The snap-fit ​​block can be snapped into the snap-fit ​​hole.

[0016] By adopting the above technical solution, an installation ring is provided on the top cover. The installation ring is coaxially arranged with the top cover. A snap-fit ​​hole is opened on the side of the installation ring. A snap-fit ​​block is provided on the outer side of the installation tube. The snap-fit ​​block can be snapped into the snap-fit ​​hole, thereby improving the stability of the snap-fit ​​between the top cover and the installation tube.

[0017] Preferably, the mounting ring is made of plastic and has a certain degree of elasticity.

[0018] By adopting the above technical solution, the mounting ring is made of plastic and has a certain degree of elasticity. When it is necessary to remove the top cover from the mounting tube, the mounting ring is moved so that the snap-fit ​​block disengages from the snap-fit ​​hole, thereby releasing the snap-fit ​​between the top cover and the mounting tube, making it easy to remove the top cover from the mounting tube.

[0019] Preferably, a convex platform is provided on the inner top wall of the top cover, and a concave surface is provided on the top surface of the sealing sheet, and the convex platform can be snapped into the concave surface.

[0020] By adopting the above technical solution, a convex platform is provided on the inner top wall of the top cover, and a concave surface is provided on the top surface of the sealing sheet. The convex platform can be snapped into the concave surface. When the sealing sheet is installed on the top cover, the concave surface is aligned with the convex platform, so that the convex platform is snapped into the concave surface, which facilitates the corresponding installation of the sealing sheet and the top cover.

[0021] Preferably, the oil-gas separator respirator body is fitted with a mounting base, and a reinforcing base is provided on the oil-gas separator respirator body. The reinforcing base is connected to the oil-gas separator respirator body by screws, and the reinforcing base is connected to the mounting base by screws. The mounting base can be fixed to other devices by screws.

[0022] By adopting the above technical solution, the oil-gas separator respirator body is fitted with a mounting base, and a reinforcing base is provided on the oil-gas separator respirator body. The reinforcing base is connected to the oil-gas separator respirator body by screws, and the reinforcing base is connected to the mounting base by screws. The mounting base can be fixed to other devices by screws, which facilitates the connection of the oil-gas separator respirator to other devices.

[0023] In summary, this application includes at least one of the following beneficial technical effects:

[0024] 1. The oil-gas separator breather body is equipped with an installation pipe, and a through pipe is installed inside the installation pipe. The through pipe cooperates with the oil-gas separator breather body. A spring is sleeved on the through pipe. The top cover is set on the installation pipe. The top cover is equipped with a vent pipe port, which is connected to the inside of the top cover. The sealing plate is set above the spring and inside the top cover. When the negative pressure inside the oil-gas separator breather reaches a certain value, the spring presses down and drives the sealing plate to move down. The sealing plate can block the vent pipe port. The oil-gas separator breather can be automatically adjusted to open or close according to the external air pressure environment to protect the normal operation of the oil-gas separator breather.

[0025] 2. The sealing sheet is made of rubber, and a rubber ring is fitted on the sealing sheet. The rubber ring is coaxial with the sealing sheet and is located inside the top cover. The rubber ring can seal the vent pipe opening. The rubber ring is elastic and can better fit the vent pipe opening, improve the sealing effect, and further ensure the normal operation of the oil-gas separator breather.

[0026] 3. The abutment piece is located below the sealing sheet. A locking hole is provided on the top surface of the abutment piece, and a chuck is provided on the bottom surface of the sealing sheet. The chuck is engaged in the locking hole, and the bottom surface of the abutment piece abuts against the spring. The abutment piece can prevent the spring from directly contacting the sealing sheet, reducing the possibility of the sealing sheet being scratched due to the mechanical properties of the spring. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the overall structure of a pressure regulating valve for an oil-gas separator breather in an embodiment of this application.

[0028] Figure 2 This is a schematic diagram of the internal structure of the mounting tube in an embodiment of this application.

[0029] Explanation of reference numerals in the attached figures:

[0030] 1. Oil-gas separator breather body; 11. Mounting base; 12. Reinforcing base; 13. Mounting pipe; 131. Snap-fit ​​block; 14. Through pipe; 2. Adjustment mechanism; 21. Spring; 22. Top cover; 221. Vent port; 222. Mounting ring; 223. Snap-fit ​​hole; 224. Convex platform; 23. Abutment piece; 231. Snap hole; 24. Sealing piece; 241. Concave surface; 25. Rubber ring; 26. Chuck; 27. Abutment block. Detailed Implementation

[0031] The present application will be further described in detail below with reference to the accompanying drawings.

[0032] This application discloses a pressure regulating valve for an oil-gas separator breather, referring to... Figure 1 As shown, a pressure regulating valve for an oil-gas separator breather includes an oil-gas separator breather body 1 and a regulating mechanism 2, wherein the oil-gas separator breather body 1 is horizontally arranged.

[0033] Reference Figure 1 As shown, the oil-gas separation breather body 1 is covered with a mounting base 11, and a reinforcing base 12 is provided on the oil-gas separation breather body 1. The reinforcing base 12 is connected to the oil-gas separation breather body 1 by screws, and the reinforcing base 12 is connected to the mounting base 11 by screws. The mounting base 11 can be fixed to other devices by screws, which facilitates the connection of the oil-gas separation breather to other devices.

[0034] Reference Figure 1 and Figure 2 As shown, the oil-gas separator breather body 1 is provided with an installation pipe 13, and a through pipe 14 is provided inside the installation pipe 13. The through pipe 14 cooperates with the oil-gas separator breather body 1. The oil-gas separator breather body 1 is provided with an adjustment mechanism 2, which includes a spring 21, a top cover 22, an abutment piece 23, and a sealing piece 24.

[0035] Reference Figure 1 and Figure 2 As shown, the top cover 22 is provided with a vent 221, which is connected to the inside of the top cover 22. The top cover 22 is provided with a mounting ring 222, which is coaxially arranged with the top cover 22. The mounting ring 222 has six snap-fit ​​holes 223 on its circumferential side surface, which are evenly distributed at equal distances along the circumferential side surface of the mounting ring 222.

[0036] Reference Figure 1 and Figure 2 As shown, six snap-fit ​​blocks 131 are provided on the outer side of the mounting tube 13. The six snap-fit ​​blocks 131 are evenly distributed at equal distances along the circumferential side of the mounting tube 13. The mounting tube 13 and the top cover 22 are coaxially arranged. The snap-fit ​​blocks 131 correspond one-to-one with the snap-fit ​​holes 223. The snap-fit ​​blocks 131 are snapped into the snap-fit ​​holes 223 to improve the stability of the snap-fit ​​between the top cover 22 and the mounting tube 13.

[0037] Reference Figure 1 and Figure 2 As shown, the mounting ring 222 is made of plastic and has a certain degree of elasticity. When it is necessary to remove the top cover 22 from the mounting tube 13, the mounting ring 222 is moved so that the snap block 131 disengages from the snap hole 223, thereby releasing the snap between the top cover 22 and the mounting tube 13, making it easier to remove the top cover 22 from the mounting tube 13.

[0038] Reference Figure 2As shown, spring 21 is sleeved on through tube 14 and is located inside mounting tube 13. Abutment piece 23 is located inside mounting tube 13 and is coaxially arranged with mounting tube 13. The bottom surface of abutment piece 23 abuts against spring 21. Sealing piece 24 is located inside top cover 22 and is coaxially arranged with top cover 22. Sealing piece 24 is located above abutment piece 23 and is made of rubber.

[0039] Reference Figure 2 As shown, a rubber ring 25 is fitted on the sealing sheet 24. The rubber ring 25 is coaxially arranged with the sealing sheet 24 and is located inside the top cover 22. When the negative pressure inside the oil-gas separator breather reaches a certain value, the spring 21 presses down and drives the sealing sheet 24 to move down. The rubber ring 25 can block the vent 221. The oil-gas separator breather can be automatically opened or closed according to the external air pressure environment to protect the normal operation of the oil-gas separator breather. The rubber ring 25 is elastic and can better adhere to the vent 221, improving the sealing effect.

[0040] Reference Figure 2 As shown, a locking hole 231 is provided on the top surface of the abutment piece 23, and the locking hole 231 is coaxial with the abutment piece 23. A chuck 26 is provided on the bottom surface of the sealing piece 24, and the chuck 26 is coaxial with the sealing piece 24. The chuck 26 is engaged in the locking hole 231, which improves the stability of the engagement between the sealing piece 24 and the abutment piece 23. The abutment piece 23 can prevent the spring 21 from directly contacting the sealing piece 24, reducing the possibility of the sealing piece 24 being scratched due to the mechanical properties of the spring 21.

[0041] Reference Figure 2 As shown, the abutting piece 23 is provided with abutting blocks 27. There are 5 abutting blocks 27, which are evenly distributed at equal distances along the circumference of the abutting piece 23. The spring 21 abuts against the abutting blocks 27 to improve the stability of the engagement between the abutting piece 23 and the spring 21.

[0042] Reference Figure 2 As shown, a convex platform 224 is provided on the inner top wall of the top cover 22. The convex platform 224 is coaxially arranged with the top cover 22. A concave surface 241 is provided on the top surface of the sealing sheet 24. The concave surface 241 is coaxially arranged with the sealing sheet 24. The convex platform 224 can be snapped into the concave surface 241. When the sealing sheet 24 is installed on the top cover 22, the concave surface 241 is aligned with the convex platform 224, so that the convex platform 224 is snapped into the concave surface 241, which facilitates the corresponding installation of the sealing sheet 24 and the top cover 22.

[0043] The implementation principle of a pressure regulating valve for an oil-gas separator breather according to an embodiment of this application is as follows:

[0044] When the internal negative pressure of the oil-gas separator breather reaches a certain value, the spring 21 presses down and drives the sealing plate 24 to move down, and the rubber ring 25 can block the air inlet 221. The breather can be automatically opened or closed according to the external air pressure environment to protect the normal operation of the breather.

[0045] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A pressure regulating valve for an oil and gas separation respirator comprising an oil and gas separation respirator body (1), characterized in that: The oil-gas separator breather body (1) is provided with an installation pipe (13), and a through pipe (14) that cooperates with the oil-gas separator breather body (1) is provided inside the installation pipe (13). The oil-gas separator breather body (1) is provided with an adjustment mechanism (2). The adjustment mechanism (2) includes a spring (21) sleeved on the through pipe (14), a top cover (22) provided on the installation pipe (13), and a sealing plate (24) for sealing the top cover (22). The top cover (22) is provided with a vent (221), which is connected to the inside of the top cover (22). The sealing plate (24) is located above the spring (21) and inside the top cover (22).

2. A pressure regulating valve for an oil and gas separation respirator according to claim 1, characterized in that: The sealing sheet (24) is made of rubber, and a rubber ring (25) is fitted on the sealing sheet (24). The rubber ring (25) is coaxially arranged with the sealing sheet (24), and the rubber ring (25) is located inside the top cover (22). The rubber ring (25) can seal the vent (221).

3. A pressure regulating valve for an oil and gas separation respirator according to claim 1, characterized in that: The adjustment mechanism (2) includes an abutment piece (23) disposed below the sealing sheet (24). The abutment piece (23) has a locking hole (231) on its top surface and a chuck (26) disposed on the bottom surface of the sealing sheet (24). The chuck (26) is engaged in the locking hole (231), and the bottom surface of the abutment piece (23) abuts against the spring (21).

4. A pressure regulating valve for an oil and gas separation respirator according to claim 3, characterized in that: The abutting piece (23) is provided with an abutting block (27), and the spring (21) abuts against the abutting block (27).

5. A pressure regulating valve for an oil and gas separation respirator according to claim 1, characterized in that: The top cover (22) is provided with an installation ring (222), which is coaxially arranged with the top cover (22). The side of the installation ring (222) is provided with a snap-fit ​​hole (223). The outer side of the installation tube (13) is provided with a snap-fit ​​block (131), which can be snapped into the snap-fit ​​hole (223).

6. A pressure regulating valve for an oil-gas separator breather according to claim 5, characterized in that: The mounting ring (222) is made of plastic and has a certain degree of elasticity.

7. A pressure regulating valve for an oil-gas separator breather according to claim 1, characterized in that: A convex platform (224) is provided on the inner top wall of the top cover (22), and a concave surface (241) is provided on the top surface of the sealing sheet (24). The convex platform (224) can be snapped into the concave surface (241).

8. A pressure regulating valve for an oil-gas separator breather according to claim 1, characterized in that: The oil-gas separator respirator body (1) is covered with a mounting base (11), and a reinforcing base (12) is provided on the oil-gas separator respirator body (1). The reinforcing base (12) is connected to the oil-gas separator respirator body (1) by screws, and the reinforcing base (12) is connected to the mounting base (11) by screws. The mounting base (11) can be fixed to other devices by screws.

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