Combination valve body of high-pressure hydrogen storage cylinder for vehicle

Abstract

The utility model belongs to the technical field of valve bodies, and particularly relates to a combined valve body of a high-pressure hydrogen storage cylinder for a vehicle, which is characterized in that a first side surface of an upper valve block is provided with a gas inlet interface, a second side surface and a fifth side surface are provided with a communicated first channel, and two ends of the first channel are respectively provided with a stop valve interface and an electromagnetic valve interface; the lower valve block is provided with a first gas transmission channel with the upper end communicated with the electromagnetic valve connector, the lower valve block is further provided with a second gas transmission channel, the fourth side face is provided with a safety valve port, the bottom of the safety valve port is provided with a safety channel communicated with the second gas transmission channel, and the second side face is provided with a manual discharge valve port. The manual discharge valve port is provided with a manual discharge channel communicated with the safety channel, the third side face is provided with a safety exhaust port, the bottom of the safety exhaust port is provided with a first communication channel and a second communication channel which are communicated with the manual discharge valve port and the safety valve port respectively, and the cartridge valve has the advantages of being small and exquisite in structure, high in integration level and convenient to install.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of valve body, especially relates to a high pressure hydrogen storage cylinder combination valve body for vehicle. BACKGROUND

[0002] In the new energy field, the safety and reliability of high-pressure hydrogen storage and transportation is crucial, and the high-pressure hydrogen cylinder port control valve as a key component plays an important role.

[0003] The high-pressure hydrogen cylinder port control valve is mainly used for controlling the opening, closing and flow regulation of hydrogen. However, with the development of technology and the improvement of demand, its disadvantages gradually appear. On the one hand, the internal channel design is unreasonable, the structure is complex, and it is not convenient to maintain, which affects the sealing performance and service life. On the other hand, due to the limitation of valve body structure, the plug-in valve is difficult to install, which consumes time and effort, and the stability and reliability after installation are not good, which limits the application of plug-in valve and is not conducive to the efficient operation of hydrogen storage and transportation system, therefore, a valve body convenient for plug-in valve installation is needed to optimize the internal channel and improve the overall performance. CONTENT OF THE UTILITY MODEL

[0004] In view of the above problems, the utility model provides a high pressure hydrogen storage cylinder combination valve body for vehicle, which solves the problems of unreasonable internal channel design, unreasonable installation position of plug-in valve body and inconvenient plug-in in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a high pressure hydrogen storage cylinder combination valve body for vehicle, comprising an integrally connected upper valve block and lower valve block, the side surface of the upper valve block comprises a first side surface, a second side surface, a third side surface, a fourth side surface and a fifth side surface, a gas inlet is formed in the first side surface, the second side surface and the fifth side surface are provided with a first channel in communication, the two ends of the first channel are respectively provided with a stop valve interface and an electromagnetic valve interface, the gas inlet is in communication with the stop valve interface, the lower valve block is provided with a first gas conveying channel in communication with the electromagnetic valve interface at the upper end, the lower valve block is also provided with a second gas conveying channel, the fourth side surface is provided with a safety valve port, the bottom of the safety valve port is provided with a safety channel in communication with the second gas conveying channel, the second side surface is provided with a manual discharge valve port, the manual discharge valve port is provided with a manual discharge channel in communication with the safety channel, and the third side surface is provided with a safety exhaust port, the bottom of the safety exhaust port is provided with a first communication channel and a second communication channel in communication with the manual discharge valve port and the safety valve port respectively.

[0006] Further, the gas inlet, the stop valve interface, the electromagnetic valve interface, the safety valve port, the manual discharge valve port, the manual discharge channel and the safety exhaust port are all perpendicular to the side surface of the upper valve block.

[0007] Further, the lower valve block is cylindrical.

[0008] Further, the upper side of the upper valve block is provided with a first detection channel, and the detection channel is communicated with the lower side of the lower valve block.

[0009] Further, the first side is provided with a second detection channel, and the second detection channel is communicated with the first channel.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] The air inlet, the stop valve interface, the electromagnetic valve interface, the safety valve port, the manual discharge valve port, the manual discharge channel and the safety exhaust port are perpendicular to the side of the upper valve block, and the lower valve block is arranged, so that the bottle opening of the high-pressure gas cylinder is conveniently connected, the plug-in valve body is more convenient to install, the utility model not only can control the valve body by plugging the electromagnetic valve, but also can plug the safety valve and the manual discharge valve for exhaust, and has the advantages of small structure and high integration. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the perspective view of the utility model;

[0013] Figure 2 It is the internal section view of the utility model;

[0014] Figure 3 It is the bottom view of the utility model.

[0015] In the drawing: 1, upper valve block; 2, lower valve block; 3, first side; 4, second side; 5, third side; 6, fourth side; 7, fifth side; 8, first channel; 9, stop valve interface; 10, electromagnetic valve interface; 11, air inlet; 12, first gas conveying channel; 13, second gas conveying channel; 14, safety valve port; 15, safety channel; 16, manual discharge valve port; 17, manual discharge channel; 18, safety exhaust port; 19, first communication channel; 20, second communication channel; 21, first detection channel; 22, second detection channel. DETAILED DESCRIPTION

[0016] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the utility model.

[0017] As Figure 1 - Figure 3As shown, a high-pressure hydrogen cylinder valve body for vehicle includes an upper valve block 1 and a lower valve block 2, the upper valve block 1 and the lower valve block 2 are integrally connected and obtained by CNC machining, the side surface of the upper valve block 1 includes a first side surface 3, a second side surface 4, a third side surface 5, a fourth side surface 6 and a fifth side surface 7, the first side surface 3 is opposite to the third side surface 5, the third side surface 5 is opposite to the fifth side surface 7, the fourth side surface 6 is located at the included angle between the third side surface 5 and the fifth side surface 7, the first side surface 3 is provided with an air inlet interface 11, the second side surface 4 and the fifth side surface 7 are provided with a first channel 8 in communication, the two ends of the first channel 8 are respectively provided with a stop valve interface 9 and a solenoid valve interface 10, the air inlet interface 11 is in communication with the bottom of the stop valve interface 9, the bottom of the lower valve block 2 is provided with a first gas conveying channel 12 in communication with the solenoid valve interface 10 at the upper end, the lower valve block 2 is also provided with a second gas conveying channel 13, the second gas conveying channel 13 is also vertically arranged longitudinally, the upper end of the second gas conveying channel 13 is located in the upper valve block 1, the fourth side surface 6 is provided with a safety valve port 14, the bottom of the safety valve port 14 is provided with a safety channel 15 in communication with the second gas conveying channel 13, the second side surface 4 is provided with a manual discharge valve port 16, the manual discharge valve port 16 is provided with a manual discharge channel 17 in communication with the safety channel 15, the manual discharge channel 17 is arranged on the side wall close to the manual discharge valve port 16, the third side surface 5 is provided with a safety exhaust port 18, the bottom of the safety exhaust port 18 is provided with a first communication channel 19 and a second communication channel 20 in communication with the manual discharge valve port 16 and the safety valve port 14 respectively, the first communication channel is arranged at the bottom center position of the manual discharge valve port 16, and the second communication channel 20 is arranged from the side wall of the safety valve port 14 to the bottom of the safety exhaust port 18.

[0018] In this embodiment, the air inlet interface 11, the stop valve interface 9, the solenoid valve interface 10, the safety valve port 14, the manual discharge valve port 16, the manual discharge channel 17 and the safety exhaust port 18 are all vertically arranged on the side surface of the upper valve block 1, which is convenient for installing the plug-in valve.

[0019] In this embodiment, the lower valve block 2 is cylindrical, which is convenient for being inserted into the mouth of the high-pressure hydrogen cylinder.

[0020] In this embodiment, the upper side surface of the upper valve block 1 is provided with a first detection channel 21, the detection channel is in communication with the lower side surface of the lower valve block 2, and the first detection channel 21 is arranged to facilitate the installation of a temperature sensor assembly to detect the temperature in the high-pressure hydrogen cylinder.

[0021] In this embodiment, the first side surface 3 is provided with a second detection channel 22, and the second detection channel 22 is in communication with the first channel 8, and the second detection channel 22 is arranged to facilitate the detection of the hydrogen pressure entering and exiting the high-pressure hydrogen cylinder.

[0022] The utility model discloses a valve body assembly of inserting and mounting type is inserted and mounted in the side of valve body, such as stop valve, solenoid valve, safety valve, manual stop valve, and the lower valve block 2 is inserted into high pressure hydrogen gas cylinder, and can be fixed with high pressure hydrogen gas cylinder mouth, and the air inlet and exhaust of high pressure hydrogen gas cylinder can be controlled, and the safety valve interface reserved in advance is inserted and mounted safety valve, and exhaust can be discharged through safety exhaust port 18, and manual exhaust can be carried out to high pressure hydrogen gas cylinder through the manual stop valve of manual discharge valve mouth 16 insertion.

[0023] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A high-pressure hydrogen storage cylinder combination valve for vehicles, characterized by: The valve block comprises an upper valve block and a lower valve block connected integrally, the side surface of the upper valve block comprises a first side surface, a second side surface, a third side surface, a fourth side surface and a fifth side surface, the first side surface is provided with an air inlet, the second side surface and the fifth side surface are provided with a first channel in communication, the two ends of the first channel are respectively provided with a stop valve interface and an electromagnetic valve interface, the air inlet is in communication with the stop valve interface, the lower valve block is provided with a first gas conveying channel in communication with the electromagnetic valve interface at the upper end, the lower valve block is further provided with a second gas conveying channel, the fourth side surface is provided with a safety valve port, the bottom of the safety valve port is provided with a safety channel in communication with the second gas conveying channel, the second side surface is provided with a manual discharge valve port, the manual discharge valve port is provided with a manual discharge channel in communication with the safety channel, and the third side surface is provided with a safety exhaust port, the bottom of the safety exhaust port is provided with a first communication channel and a second communication channel in communication with the manual discharge valve port and the safety valve port respectively.

2. The high-pressure hydrogen storage cylinder combination valve for vehicle according to claim 1, characterized in that: The air inlet, the stop valve interface, the electromagnetic valve interface, the safety valve port, the manual discharge valve port, the manual discharge channel and the safety exhaust port are all provided perpendicularly to the side surface of the upper valve block.

3. The high-pressure hydrogen storage cylinder combination valve for vehicle according to claim 1, characterized in that: The lower valve block is in a cylindrical shape.

4. The high-pressure hydrogen storage cylinder combination valve for vehicle of claim 1, wherein: The upper side surface of the upper valve block is provided with a first detection channel, and the detection channel is in communication with the lower side surface of the lower valve block.

5. The high pressure hydrogen storage cylinder combination valve for vehicle of claim 1, wherein: The first side surface is provided with a second detection channel, and the second detection channel is in communication with the first channel.

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